sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Update the byte permission maps following a system call. ---*/ |
| 4 | /*--- vg_syscall_mem.c ---*/ |
| 5 | /*--------------------------------------------------------------------*/ |
| 6 | |
| 7 | /* |
| 8 | This file is part of Valgrind, an x86 protected-mode emulator |
| 9 | designed for debugging and profiling binaries on x86-Unixes. |
| 10 | |
| 11 | Copyright (C) 2000-2002 Julian Seward |
| 12 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 13 | |
| 14 | This program is free software; you can redistribute it and/or |
| 15 | modify it under the terms of the GNU General Public License as |
| 16 | published by the Free Software Foundation; either version 2 of the |
| 17 | License, or (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, but |
| 20 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 27 | 02111-1307, USA. |
| 28 | |
| 29 | The GNU General Public License is contained in the file LICENSE. |
| 30 | */ |
| 31 | |
| 32 | #include "vg_include.h" |
| 33 | |
| 34 | /* vg_unsafe.h should NOT be included into any file except this |
| 35 | one. */ |
| 36 | #include "vg_unsafe.h" |
| 37 | |
| 38 | |
| 39 | /* All system calls are channelled through vg_wrap_syscall. It does |
| 40 | three things: |
| 41 | |
| 42 | * optionally, checks the permissions for the args to the call |
| 43 | |
| 44 | * perform the syscall, usually by passing it along to the kernel |
| 45 | unmodified. However, because we simulate signals ourselves, |
| 46 | signal-related syscalls are routed to vg_signal.c, and are not |
| 47 | delivered to the kernel. |
| 48 | |
| 49 | * Update the permission maps following the syscall. |
| 50 | |
| 51 | A magical piece of assembly code, vg_do_syscall(), in vg_syscall.S |
| 52 | does the tricky bit of passing a syscall to the kernel, whilst |
| 53 | having the simulator retain control. |
| 54 | */ |
| 55 | |
| 56 | static void make_noaccess ( Addr a, UInt len ) |
| 57 | { |
| 58 | if (VG_(clo_instrument)) |
| 59 | VGM_(make_noaccess) ( a, len ); |
| 60 | } |
| 61 | |
| 62 | static void make_writable ( Addr a, UInt len ) |
| 63 | { |
| 64 | if (VG_(clo_instrument)) |
| 65 | VGM_(make_writable) ( a, len ); |
| 66 | } |
| 67 | |
| 68 | static void make_readable ( Addr a, UInt len ) |
| 69 | { |
| 70 | if (VG_(clo_instrument)) |
| 71 | VGM_(make_readable) ( a, len ); |
| 72 | } |
| 73 | |
| 74 | static void make_readwritable ( Addr a, UInt len ) |
| 75 | { |
| 76 | if (VG_(clo_instrument)) |
| 77 | VGM_(make_readwritable) ( a, len ); |
| 78 | } |
| 79 | |
| 80 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 81 | void must_be_writable ( ThreadState* tst, |
| 82 | Char* syscall_name, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 83 | { |
| 84 | Bool ok; |
| 85 | Addr bad_addr; |
| 86 | /* VG_(message)(Vg_DebugMsg,"must be writable: %x .. %x", |
| 87 | base,base+size-1); */ |
| 88 | if (!VG_(clo_instrument)) |
| 89 | return; |
| 90 | ok = VGM_(check_writable) ( base, size, &bad_addr ); |
| 91 | if (!ok) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 92 | VG_(record_param_err) ( tst, bad_addr, True, syscall_name ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 96 | void must_be_readable ( ThreadState* tst, |
| 97 | Char* syscall_name, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 98 | { |
| 99 | Bool ok; |
| 100 | Addr bad_addr; |
| 101 | /* VG_(message)(Vg_DebugMsg,"must be readable: %x .. %x", |
| 102 | base,base+size-1); */ |
| 103 | if (!VG_(clo_instrument)) |
| 104 | return; |
| 105 | ok = VGM_(check_readable) ( base, size, &bad_addr ); |
| 106 | if (!ok) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 107 | VG_(record_param_err) ( tst, bad_addr, False, syscall_name ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 111 | void must_be_readable_asciiz ( ThreadState* tst, |
| 112 | Char* syscall_name, UInt str ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 113 | { |
| 114 | Bool ok = True; |
| 115 | Addr bad_addr; |
| 116 | /* VG_(message)(Vg_DebugMsg,"must be readable asciiz: 0x%x",str); */ |
| 117 | if (!VG_(clo_instrument)) |
| 118 | return; |
| 119 | ok = VGM_(check_readable_asciiz) ( (Addr)str, &bad_addr ); |
| 120 | if (!ok) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 121 | VG_(record_param_err) ( tst, bad_addr, False, syscall_name ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | |
| 125 | /* Set memory permissions, based on PROT_* values for mmap/mprotect, |
| 126 | into the permissions our scheme understands. Dunno if this is |
| 127 | really correct. */ |
| 128 | |
| 129 | static void approximate_mmap_permissions ( Addr a, UInt len, UInt prot ) |
| 130 | { |
| 131 | /* PROT_READ and PROT_WRITE --> readable |
| 132 | PROT_READ only --> readable |
| 133 | PROT_WRITE only --> writable |
| 134 | NEITHER --> noaccess |
| 135 | */ |
| 136 | if (prot & PROT_READ) |
| 137 | make_readable(a,len); |
| 138 | else |
| 139 | if (prot & PROT_WRITE) |
| 140 | make_writable(a,len); |
| 141 | else |
| 142 | make_noaccess(a,len); |
| 143 | } |
| 144 | |
| 145 | |
| 146 | /* Dereference a pointer, but only after checking that it's |
| 147 | safe to do so. If not, return the default. |
| 148 | */ |
| 149 | static |
| 150 | UInt safe_dereference ( Addr aa, UInt defawlt ) |
| 151 | { |
| 152 | if (!VG_(clo_instrument)) |
| 153 | return * (UInt*)aa; |
| 154 | if (VGM_(check_readable)(aa,4,NULL)) |
| 155 | return * (UInt*)aa; |
| 156 | else |
| 157 | return defawlt; |
| 158 | } |
| 159 | |
| 160 | |
| 161 | /* Is this a Linux kernel error return value? */ |
| 162 | /* From: |
| 163 | http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/ |
| 164 | linux/i386/sysdep.h? |
| 165 | rev=1.28&content-type=text/x-cvsweb-markup&cvsroot=glibc |
| 166 | |
| 167 | QUOTE: |
| 168 | |
| 169 | Linux uses a negative return value to indicate syscall errors, |
| 170 | unlike most Unices, which use the condition codes' carry flag. |
| 171 | |
| 172 | Since version 2.1 the return value of a system call might be |
| 173 | negative even if the call succeeded. E.g., the `lseek' system call |
| 174 | might return a large offset. Therefore we must not anymore test |
| 175 | for < 0, but test for a real error by making sure the value in %eax |
| 176 | is a real error number. Linus said he will make sure the no syscall |
| 177 | returns a value in -1 .. -4095 as a valid result so we can savely |
| 178 | test with -4095. |
| 179 | |
| 180 | END QUOTE |
| 181 | */ |
| 182 | Bool VG_(is_kerror) ( Int res ) |
| 183 | { |
| 184 | if (res >= -4095 && res <= -1) |
| 185 | return True; |
| 186 | else |
| 187 | return False; |
| 188 | } |
| 189 | |
| 190 | static |
| 191 | UInt get_shm_size ( Int shmid ) |
| 192 | { |
| 193 | struct shmid_ds buf; |
| 194 | long __res; |
| 195 | __asm__ volatile ( "int $0x80" |
| 196 | : "=a" (__res) |
| 197 | : "0" (__NR_ipc), |
| 198 | "b" ((long)(24) /*IPCOP_shmctl*/), |
| 199 | "c" ((long)(shmid)), |
| 200 | "d" ((long)(IPC_STAT)), |
| 201 | "S" ((long)(0)), |
| 202 | "D" ((long)(&buf)) ); |
| 203 | if ( VG_(is_kerror) ( __res ) ) |
| 204 | return 0; |
| 205 | |
| 206 | return buf.shm_segsz; |
| 207 | } |
| 208 | |
| 209 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 210 | Char *strdupcat ( const Char *s1, const Char *s2, ArenaId aid ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 211 | { |
| 212 | UInt len = VG_(strlen) ( s1 ) + VG_(strlen) ( s2 ) + 1; |
| 213 | Char *result = VG_(malloc) ( aid, len ); |
| 214 | VG_(strcpy) ( result, s1 ); |
| 215 | VG_(strcat) ( result, s2 ); |
| 216 | return result; |
| 217 | } |
| 218 | |
| 219 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 220 | void must_be_readable_sendmsg ( ThreadState* tst, |
| 221 | Char *msg, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 222 | { |
| 223 | Char *outmsg = strdupcat ( "socketcall.sendmsg", msg, VG_AR_TRANSIENT ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 224 | must_be_readable ( tst, outmsg, base, size ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 225 | VG_(free) ( VG_AR_TRANSIENT, outmsg ); |
| 226 | } |
| 227 | |
| 228 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 229 | void must_be_writable_recvmsg ( ThreadState* tst, |
| 230 | Char *msg, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 231 | { |
| 232 | Char *outmsg = strdupcat ( "socketcall.recvmsg", msg, VG_AR_TRANSIENT ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 233 | must_be_writable ( tst, outmsg, base, size ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 234 | VG_(free) ( VG_AR_TRANSIENT, outmsg ); |
| 235 | } |
| 236 | |
| 237 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 238 | void make_readable_recvmsg ( ThreadState* tst, |
| 239 | Char *fieldName, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 240 | { |
| 241 | make_readable( base, size ); |
| 242 | } |
| 243 | |
| 244 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 245 | void msghdr_foreachfield ( |
| 246 | ThreadState* tst, |
| 247 | struct msghdr *msg, |
| 248 | void (*foreach_func)( ThreadState*, Char *, UInt, UInt ) |
| 249 | ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 250 | { |
| 251 | if ( !msg ) |
| 252 | return; |
| 253 | |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 254 | foreach_func ( tst, "(msg)", (Addr)msg, sizeof( struct msghdr ) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 255 | |
| 256 | if ( msg->msg_name ) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 257 | foreach_func ( tst, |
| 258 | "(msg.msg_name)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 259 | (Addr)msg->msg_name, msg->msg_namelen ); |
| 260 | |
| 261 | if ( msg->msg_iov ) { |
| 262 | struct iovec *iov = msg->msg_iov; |
| 263 | UInt i; |
| 264 | |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 265 | foreach_func ( tst, |
| 266 | "(msg.msg_iov)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 267 | (Addr)iov, msg->msg_iovlen * sizeof( struct iovec ) ); |
| 268 | |
| 269 | for ( i = 0; i < msg->msg_iovlen; ++i, ++iov ) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 270 | foreach_func ( tst, |
| 271 | "(msg.msg_iov[i]", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 272 | (Addr)iov->iov_base, iov->iov_len ); |
| 273 | } |
| 274 | |
| 275 | if ( msg->msg_control ) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 276 | foreach_func ( tst, |
| 277 | "(msg.msg_control)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 278 | (Addr)msg->msg_control, msg->msg_controllen ); |
| 279 | } |
| 280 | |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 281 | static |
| 282 | void must_be_readable_sockaddr ( ThreadState* tst, |
| 283 | Char *description, |
| 284 | struct sockaddr *sa, UInt salen ) |
| 285 | { |
| 286 | Char *outmsg = VG_(malloc) ( VG_AR_TRANSIENT, strlen( description ) + 30 ); |
| 287 | |
| 288 | VG_(sprintf) ( outmsg, description, ".sa_family" ); |
| 289 | must_be_readable( tst, outmsg, (UInt) &sa->sa_family, sizeof (sa_family_t)); |
| 290 | |
| 291 | switch (sa->sa_family) { |
| 292 | |
| 293 | case AF_UNIX: |
| 294 | VG_(sprintf) ( outmsg, description, ".sun_path" ); |
| 295 | must_be_readable_asciiz( tst, outmsg, |
| 296 | (UInt) ((struct sockaddr_un *) sa)->sun_path); |
| 297 | break; |
| 298 | |
| 299 | case AF_INET: |
| 300 | VG_(sprintf) ( outmsg, description, ".sin_port" ); |
| 301 | must_be_readable( tst, outmsg, |
| 302 | (UInt) &((struct sockaddr_in *) sa)->sin_port, |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 303 | sizeof (((struct sockaddr_in *) sa)->sin_port)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 304 | VG_(sprintf) ( outmsg, description, ".sin_addr" ); |
| 305 | must_be_readable( tst, outmsg, |
| 306 | (UInt) &((struct sockaddr_in *) sa)->sin_addr, |
| 307 | sizeof (struct in_addr)); |
| 308 | break; |
| 309 | |
| 310 | case AF_INET6: |
| 311 | VG_(sprintf) ( outmsg, description, ".sin6_port" ); |
| 312 | must_be_readable( tst, outmsg, |
| 313 | (UInt) &((struct sockaddr_in6 *) sa)->sin6_port, |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 314 | sizeof (((struct sockaddr_in6 *) sa)->sin6_port)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 315 | VG_(sprintf) ( outmsg, description, ".sin6_flowinfo" ); |
| 316 | must_be_readable( tst, outmsg, |
| 317 | (UInt) &((struct sockaddr_in6 *) sa)->sin6_flowinfo, |
| 318 | sizeof (uint32_t)); |
| 319 | VG_(sprintf) ( outmsg, description, ".sin6_addr" ); |
| 320 | must_be_readable( tst, outmsg, |
| 321 | (UInt) &((struct sockaddr_in6 *) sa)->sin6_addr, |
| 322 | sizeof (struct in6_addr)); |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 323 | # ifndef GLIBC_2_1 |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 324 | VG_(sprintf) ( outmsg, description, ".sin6_scope_id" ); |
| 325 | must_be_readable( tst, outmsg, |
| 326 | (UInt) &((struct sockaddr_in6 *) sa)->sin6_scope_id, |
| 327 | sizeof (uint32_t)); |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 328 | # endif |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 329 | break; |
| 330 | |
| 331 | default: |
| 332 | VG_(sprintf) ( outmsg, description, "" ); |
| 333 | must_be_readable( tst, outmsg, (UInt) sa, salen ); |
| 334 | break; |
| 335 | } |
| 336 | |
| 337 | VG_(free) ( VG_AR_TRANSIENT, outmsg ); |
| 338 | } |
| 339 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 340 | |
| 341 | /* Records the current end of the data segment so we can make sense of |
| 342 | calls to brk(). Initial value set by hdm_init_memory_audit(). */ |
| 343 | Addr VGM_(curr_dataseg_end); |
| 344 | |
| 345 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 346 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 347 | /* The Main Entertainment ... */ |
| 348 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 349 | void VG_(perform_assumed_nonblocking_syscall) ( ThreadId tid ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 350 | { |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 351 | ThreadState* tst; |
| 352 | Bool sane_before_call, sane_after_call; |
| 353 | UInt syscallno, arg1, arg2, arg3, arg4, arg5; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 354 | /* Do not make this unsigned! */ |
| 355 | Int res; |
| 356 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 357 | VGP_PUSHCC(VgpSyscall); |
| 358 | |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 359 | vg_assert(VG_(is_valid_tid)(tid)); |
| 360 | sane_before_call = True; |
| 361 | sane_after_call = True; |
| 362 | tst = & VG_(threads)[tid]; |
| 363 | syscallno = tst->m_eax; |
| 364 | arg1 = tst->m_ebx; |
| 365 | arg2 = tst->m_ecx; |
| 366 | arg3 = tst->m_edx; |
| 367 | arg4 = tst->m_esi; |
| 368 | arg5 = tst->m_edi; |
| 369 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 370 | /* Since buggy syscall wrappers sometimes break this, we may as well |
| 371 | check ourselves. */ |
sewardj | 126a41f | 2002-05-07 23:45:03 +0000 | [diff] [blame] | 372 | if (! VG_(first_and_last_secondaries_look_plausible)()) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 373 | sane_before_call = False; |
| 374 | |
| 375 | /* the syscall no is in %eax. For syscalls with <= 5 args, |
| 376 | args 1 .. 5 to the syscall are in %ebx %ecx %edx %esi %edi. |
| 377 | For calls with > 5 args, %ebx points to a lump of memory |
| 378 | containing the args. |
| 379 | |
| 380 | The result is returned in %eax. If this value >= 0, the call |
| 381 | succeeded, and this is the return value. If < 0, it failed, and |
| 382 | the negation of this value is errno. To be more specific, |
| 383 | if res is in the range -EMEDIUMTYPE (-124) .. -EPERM (-1) |
| 384 | (kernel 2.4.9 sources, include/asm-i386/errno.h) |
| 385 | then it indicates an error. Otherwise it doesn't. |
| 386 | |
| 387 | Dirk Mueller (mueller@kde.org) says that values -4095 .. -1 |
| 388 | (inclusive?) indicate error returns. Not sure where the -4095 |
| 389 | comes from. |
| 390 | */ |
| 391 | |
| 392 | if (VG_(clo_trace_syscalls)) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 393 | VG_(printf)("SYSCALL[%d,%d](%3d): ", |
| 394 | VG_(getpid)(), tid, syscallno); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 395 | |
| 396 | switch (syscallno) { |
| 397 | |
sewardj | 7e87e38 | 2002-05-03 19:09:05 +0000 | [diff] [blame] | 398 | case __NR_exit: |
| 399 | VG_(panic)("syscall exit() not caught by the scheduler?!"); |
| 400 | break; |
| 401 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 402 | case __NR_sigaltstack: |
| 403 | VG_(unimplemented) |
| 404 | ("client signals on alternative stack (SA_ONSTACK)"); |
| 405 | break; |
| 406 | |
| 407 | case __NR_clone: |
| 408 | VG_(unimplemented) |
sewardj | 827d95b | 2002-04-16 02:09:31 +0000 | [diff] [blame] | 409 | ("clone(): not supported by Valgrind.\n " |
| 410 | "We do now support programs linked against\n " |
| 411 | "libpthread.so, though. Re-run with -v and ensure that\n " |
| 412 | "you are picking up Valgrind's implementation of libpthread.so."); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 413 | break; |
| 414 | |
| 415 | # if defined(__NR_modify_ldt) |
| 416 | case __NR_modify_ldt: |
sewardj | cfc39b2 | 2002-05-08 01:58:18 +0000 | [diff] [blame] | 417 | VG_(nvidia_moan)(); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 418 | VG_(unimplemented) |
sewardj | cfc39b2 | 2002-05-08 01:58:18 +0000 | [diff] [blame] | 419 | ("modify_ldt(): I (JRS) haven't investigated this yet; sorry."); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 420 | break; |
| 421 | # endif |
| 422 | |
sewardj | 73f1f07 | 2002-03-29 14:22:46 +0000 | [diff] [blame] | 423 | /* !!!!!!!!!! New, untested syscalls !!!!!!!!!!!!!!!!!!!!! */ |
| 424 | |
sewardj | 0ff1578 | 2002-05-18 13:24:24 +0000 | [diff] [blame] | 425 | # if defined(__NR_getpmsg) /* syscall 188 */ |
| 426 | case __NR_getpmsg: |
| 427 | { |
| 428 | /* LiS getpmsg from http://www.gcom.com/home/linux/lis/ */ |
| 429 | /* int getpmsg(int fd, struct strbuf *ctrl, struct strbuf *data, |
| 430 | int *bandp, int *flagsp); */ |
| 431 | struct strbuf { |
| 432 | int maxlen; /* no. of bytes in buffer */ |
| 433 | int len; /* no. of bytes returned */ |
| 434 | caddr_t buf; /* pointer to data */ |
| 435 | }; |
| 436 | struct strbuf *ctrl; |
| 437 | struct strbuf *data; |
| 438 | if (VG_(clo_trace_syscalls)) |
| 439 | VG_(printf)("getpmsg ( %d, %p, %p, %p, %p )\n", |
| 440 | arg1,arg2,arg3,arg4,arg5); |
| 441 | ctrl = (struct strbuf *)arg2; |
| 442 | data = (struct strbuf *)arg3; |
| 443 | if (ctrl && ctrl->maxlen > 0) |
| 444 | must_be_writable(tst, "getpmsg(ctrl)", |
| 445 | (UInt)ctrl->buf, ctrl->maxlen); |
| 446 | if (data && data->maxlen > 0) |
| 447 | must_be_writable(tst, "getpmsg(data)", |
| 448 | (UInt)data->buf, data->maxlen); |
| 449 | if (arg4) |
| 450 | must_be_writable(tst, "getpmsg(bandp)", |
| 451 | (UInt)arg4, sizeof(int)); |
| 452 | if (arg5) |
| 453 | must_be_writable(tst, "getpmsg(flagsp)", |
| 454 | (UInt)arg5, sizeof(int)); |
| 455 | KERNEL_DO_SYSCALL(tid,res); |
| 456 | if (!VG_(is_kerror)(res) && res == 0 && ctrl && ctrl->len > 0) { |
| 457 | make_readable( (UInt)ctrl->buf, ctrl->len); |
| 458 | } |
| 459 | if (!VG_(is_kerror)(res) && res == 0 && data && data->len > 0) { |
| 460 | make_readable( (UInt)data->buf, data->len); |
| 461 | } |
| 462 | } |
| 463 | break; |
| 464 | # endif |
| 465 | |
| 466 | |
| 467 | # if defined(__NR_putpmsg) /* syscall 189 */ |
| 468 | case __NR_putpmsg: |
| 469 | { |
| 470 | /* LiS putpmsg from http://www.gcom.com/home/linux/lis/ */ |
| 471 | /* int putpmsg(int fd, struct strbuf *ctrl, struct strbuf *data, |
| 472 | int band, int flags); */ |
| 473 | struct strbuf { |
| 474 | int maxlen; /* no. of bytes in buffer */ |
| 475 | int len; /* no. of bytes returned */ |
| 476 | caddr_t buf; /* pointer to data */ |
| 477 | }; |
| 478 | struct strbuf *ctrl; |
| 479 | struct strbuf *data; |
| 480 | if (VG_(clo_trace_syscalls)) |
| 481 | VG_(printf)("putpmsg ( %d, %p, %p, %d, %d )\n", |
| 482 | arg1,arg2,arg3,arg4,arg5); |
| 483 | ctrl = (struct strbuf *)arg2; |
| 484 | data = (struct strbuf *)arg3; |
| 485 | if (ctrl && ctrl->len > 0) |
| 486 | must_be_readable(tst, "putpmsg(ctrl)", |
| 487 | (UInt)ctrl->buf, ctrl->len); |
| 488 | if (data && data->len > 0) |
| 489 | must_be_readable(tst, "putpmsg(data)", |
| 490 | (UInt)data->buf, data->len); |
| 491 | KERNEL_DO_SYSCALL(tid,res); |
| 492 | } |
| 493 | break; |
| 494 | # endif |
| 495 | |
sewardj | 9e631f7 | 2002-05-18 11:01:06 +0000 | [diff] [blame] | 496 | case __NR_getitimer: /* syscall 105 */ |
| 497 | /* int getitimer(int which, struct itimerval *value); */ |
| 498 | if (VG_(clo_trace_syscalls)) |
| 499 | VG_(printf)("getitimer ( %d, %p )\n", arg1, arg2); |
| 500 | must_be_writable( tst, "getitimer(timer)", arg2, |
| 501 | sizeof(struct itimerval) ); |
| 502 | KERNEL_DO_SYSCALL(tid,res); |
| 503 | if (!VG_(is_kerror)(res) && arg2 != (Addr)NULL) { |
| 504 | make_readable(arg2, sizeof(struct itimerval)); |
| 505 | } |
| 506 | break; |
| 507 | |
sewardj | d354bb3 | 2002-05-10 22:58:14 +0000 | [diff] [blame] | 508 | # if defined(__NR_syslog) |
| 509 | case __NR_syslog: /* syscall 103 */ |
| 510 | /* int syslog(int type, char *bufp, int len); */ |
| 511 | if (VG_(clo_trace_syscalls)) |
| 512 | VG_(printf)("syslog (%d, %p, %d)\n",arg1,arg2,arg3); |
| 513 | switch(arg1) { |
| 514 | case 2: case 3: case 4: |
| 515 | must_be_writable( tst, "syslog(buf)", arg2, arg3); |
| 516 | break; |
| 517 | default: |
| 518 | break; |
| 519 | } |
| 520 | KERNEL_DO_SYSCALL(tid, res); |
| 521 | if (!VG_(is_kerror)(res)) { |
| 522 | switch (arg1) { |
| 523 | case 2: case 3: case 4: |
| 524 | make_readable( arg2, arg3 ); |
| 525 | break; |
| 526 | default: |
| 527 | break; |
| 528 | } |
| 529 | } |
| 530 | break; |
| 531 | # endif |
| 532 | |
sewardj | f4afb00 | 2002-05-10 21:01:34 +0000 | [diff] [blame] | 533 | case __NR_personality: /* syscall 136 */ |
sewardj | d354bb3 | 2002-05-10 22:58:14 +0000 | [diff] [blame] | 534 | /* int personality(unsigned long persona); */ |
sewardj | f4afb00 | 2002-05-10 21:01:34 +0000 | [diff] [blame] | 535 | if (VG_(clo_trace_syscalls)) |
| 536 | VG_(printf)("personality ( %d )\n", arg1); |
| 537 | KERNEL_DO_SYSCALL(tid,res); |
| 538 | break; |
| 539 | |
sewardj | fb61711 | 2002-05-03 21:07:55 +0000 | [diff] [blame] | 540 | case __NR_chroot: /* syscall 61 */ |
| 541 | /* int chroot(const char *path); */ |
| 542 | if (VG_(clo_trace_syscalls)) |
| 543 | VG_(printf)("chroot ( %p )\n", arg1); |
| 544 | must_be_readable_asciiz( tst, "chroot(path)", arg1 ); |
| 545 | KERNEL_DO_SYSCALL(tid,res); |
| 546 | break; |
| 547 | |
sewardj | 6e435c0 | 2002-04-24 02:24:44 +0000 | [diff] [blame] | 548 | # if defined(__NR_madvise) |
| 549 | case __NR_madvise: /* syscall 219 */ |
| 550 | /* int madvise(void *start, size_t length, int advice ); */ |
| 551 | if (VG_(clo_trace_syscalls)) |
| 552 | VG_(printf)("madvise ( %p, %d, %d )\n", arg1,arg2,arg3); |
| 553 | KERNEL_DO_SYSCALL(tid,res); |
| 554 | break; |
| 555 | # endif |
| 556 | |
sewardj | 6af4b5d | 2002-04-16 04:40:49 +0000 | [diff] [blame] | 557 | # if defined(__NR_mremap) |
| 558 | /* Is this really right? Perhaps it should copy the permissions |
| 559 | from the old area into the new. Unclear from the Linux man |
| 560 | pages what this really does. Also, the flags don't look like |
| 561 | they mean the same as the standard mmap flags, so that's |
| 562 | probably wrong too. */ |
| 563 | case __NR_mremap: /* syscall 163 */ |
| 564 | /* void* mremap(void * old_address, size_t old_size, |
| 565 | size_t new_size, unsigned long flags); */ |
| 566 | if (VG_(clo_trace_syscalls)) |
| 567 | VG_(printf)("mremap ( %p, %d, %d, 0x%x )\n", |
| 568 | arg1, arg2, arg3, arg4); |
| 569 | must_be_writable ( tst, "mremap(old_address)", arg1, arg2 ); |
| 570 | KERNEL_DO_SYSCALL(tid,res); |
| 571 | if (!VG_(is_kerror)(res)) { |
| 572 | /* Copied from munmap() wrapper. */ |
sewardj | 18d7513 | 2002-05-16 11:06:21 +0000 | [diff] [blame] | 573 | Bool munmap_exe; |
sewardj | 6af4b5d | 2002-04-16 04:40:49 +0000 | [diff] [blame] | 574 | Addr start = arg1; |
| 575 | Addr length = arg2; |
| 576 | while ((start % VKI_BYTES_PER_PAGE) > 0) { start--; length++; } |
| 577 | while (((start+length) % VKI_BYTES_PER_PAGE) > 0) { length++; } |
| 578 | make_noaccess( start, length ); |
sewardj | 18d7513 | 2002-05-16 11:06:21 +0000 | [diff] [blame] | 579 | munmap_exe = VG_(symtab_notify_munmap) ( start, length ); |
| 580 | if (munmap_exe) |
| 581 | VG_(invalidate_translations) ( start, length ); |
sewardj | 6af4b5d | 2002-04-16 04:40:49 +0000 | [diff] [blame] | 582 | approximate_mmap_permissions( (Addr)res, arg3, arg4 ); |
| 583 | } |
| 584 | break; |
| 585 | # endif |
| 586 | |
sewardj | 73f1f07 | 2002-03-29 14:22:46 +0000 | [diff] [blame] | 587 | case __NR_nice: /* syscall 34 */ |
| 588 | /* int nice(int inc); */ |
| 589 | if (VG_(clo_trace_syscalls)) |
| 590 | VG_(printf)("nice ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 591 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 73f1f07 | 2002-03-29 14:22:46 +0000 | [diff] [blame] | 592 | break; |
| 593 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 594 | /* !!!!!!!!!! New, untested syscalls, 14 Mar 02 !!!!!!!!!! */ |
| 595 | |
sewardj | d7f0766 | 2002-03-24 10:49:46 +0000 | [diff] [blame] | 596 | # if defined(__NR_setresgid32) |
| 597 | case __NR_setresgid32: /* syscall 210 */ |
| 598 | /* int setresgid(gid_t rgid, gid_t egid, gid_t sgid); */ |
| 599 | if (VG_(clo_trace_syscalls)) |
| 600 | VG_(printf)("setresgid32 ( %d, %d, %d )\n", arg1, arg2, arg3); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 601 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | d7f0766 | 2002-03-24 10:49:46 +0000 | [diff] [blame] | 602 | break; |
| 603 | # endif |
| 604 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 605 | # if defined(__NR_setfsuid32) |
| 606 | case __NR_setfsuid32: /* syscall 215 */ |
| 607 | /* int setfsuid(uid_t fsuid); */ |
| 608 | if (VG_(clo_trace_syscalls)) |
| 609 | VG_(printf)("setfsuid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 610 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 611 | break; |
| 612 | # endif |
| 613 | |
| 614 | # if defined(__NR__sysctl) |
| 615 | case __NR__sysctl: |
| 616 | /* int _sysctl(struct __sysctl_args *args); */ |
| 617 | if (VG_(clo_trace_syscalls)) |
| 618 | VG_(printf)("_sysctl ( %p )\n", arg1 ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 619 | must_be_writable ( tst, "_sysctl(args)", arg1, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 620 | sizeof(struct __sysctl_args) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 621 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 622 | if (!VG_(is_kerror)(res)) |
| 623 | make_readable ( arg1, sizeof(struct __sysctl_args) ); |
| 624 | break; |
| 625 | # endif |
| 626 | |
| 627 | # if defined(__NR_sched_getscheduler) |
| 628 | case __NR_sched_getscheduler: |
| 629 | /* int sched_getscheduler(pid_t pid); */ |
| 630 | if (VG_(clo_trace_syscalls)) |
| 631 | VG_(printf)("sched_getscheduler ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 632 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 633 | break; |
| 634 | # endif |
| 635 | |
| 636 | # if defined(__NR_sched_setscheduler) |
| 637 | case __NR_sched_setscheduler: |
| 638 | /* int sched_setscheduler(pid_t pid, int policy, |
| 639 | const struct sched_param *p); */ |
| 640 | if (VG_(clo_trace_syscalls)) |
| 641 | VG_(printf)("sched_setscheduler ( %d, %d, %p )\n",arg1,arg2,arg3); |
| 642 | if (arg3 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 643 | must_be_readable( tst, |
| 644 | "sched_setscheduler(struct sched_param *p)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 645 | arg3, sizeof(struct sched_param)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 646 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 647 | break; |
| 648 | # endif |
| 649 | |
| 650 | # if defined(__NR_mlockall) |
| 651 | case __NR_mlockall: |
| 652 | /* int mlockall(int flags); */ |
| 653 | if (VG_(clo_trace_syscalls)) |
| 654 | VG_(printf)("mlockall ( %x )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 655 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 656 | break; |
| 657 | # endif |
| 658 | |
| 659 | # if defined(__NR_munlockall) |
| 660 | case __NR_munlockall: |
| 661 | /* int munlockall(void); */ |
| 662 | if (VG_(clo_trace_syscalls)) |
| 663 | VG_(printf)("munlockall ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 664 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 665 | break; |
| 666 | # endif |
| 667 | |
| 668 | #if defined(__NR_sched_get_priority_max) |
| 669 | case __NR_sched_get_priority_max: |
| 670 | /* int sched_get_priority_max(int policy); */ |
| 671 | if (VG_(clo_trace_syscalls)) |
| 672 | VG_(printf)("sched_get_priority_max ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 673 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 674 | break; |
| 675 | # endif |
| 676 | |
sewardj | 9dfb4a7 | 2002-04-27 01:56:30 +0000 | [diff] [blame] | 677 | #if defined(__NR_sched_get_priority_min) |
| 678 | case __NR_sched_get_priority_min: /* syscall 160 */ |
| 679 | /* int sched_get_priority_min(int policy); */ |
| 680 | if (VG_(clo_trace_syscalls)) |
| 681 | VG_(printf)("sched_get_priority_min ( %d )\n", arg1); |
| 682 | KERNEL_DO_SYSCALL(tid,res); |
| 683 | break; |
| 684 | # endif |
| 685 | |
| 686 | #if defined(__NR_setpriority) |
| 687 | case __NR_setpriority: /* syscall 97 */ |
| 688 | /* int setpriority(int which, int who, int prio); */ |
| 689 | if (VG_(clo_trace_syscalls)) |
| 690 | VG_(printf)("setpriority ( %d, %d, %d )\n", arg1, arg2, arg3); |
| 691 | KERNEL_DO_SYSCALL(tid,res); |
| 692 | break; |
| 693 | # endif |
| 694 | |
sewardj | de5ac18 | 2002-04-27 02:13:24 +0000 | [diff] [blame] | 695 | #if defined(__NR_getpriority) |
| 696 | case __NR_getpriority: /* syscall 96 */ |
| 697 | /* int getpriority(int which, int who); */ |
| 698 | if (VG_(clo_trace_syscalls)) |
| 699 | VG_(printf)("getpriority ( %d, %d )\n", arg1, arg2); |
| 700 | KERNEL_DO_SYSCALL(tid,res); |
| 701 | break; |
| 702 | # endif |
| 703 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 704 | # if defined(__NR_setfsgid) |
| 705 | case __NR_setfsgid: /* syscall 139 */ |
| 706 | /* int setfsgid(gid_t gid); */ |
| 707 | if (VG_(clo_trace_syscalls)) |
| 708 | VG_(printf)("setfsgid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 709 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 710 | break; |
| 711 | # endif |
| 712 | |
| 713 | # if defined(__NR_setregid) |
| 714 | case __NR_setregid: /* syscall 71 */ |
| 715 | /* int setregid(gid_t rgid, gid_t egid); */ |
| 716 | if (VG_(clo_trace_syscalls)) |
| 717 | VG_(printf)("setregid ( %d, %d )\n", arg1, arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 718 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 719 | break; |
| 720 | # endif |
| 721 | |
| 722 | # if defined(__NR_setresuid) |
| 723 | case __NR_setresuid: /* syscall 164 */ |
| 724 | /* int setresuid(uid_t ruid, uid_t euid, uid_t suid); */ |
| 725 | if (VG_(clo_trace_syscalls)) |
| 726 | VG_(printf)("setresuid ( %d, %d, %d )\n", arg1, arg2, arg3); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 727 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 728 | break; |
| 729 | # endif |
| 730 | |
| 731 | # if defined(__NR_setfsuid) |
| 732 | case __NR_setfsuid: /* syscall 138 */ |
| 733 | /* int setfsuid(uid_t uid); */ |
| 734 | if (VG_(clo_trace_syscalls)) |
| 735 | VG_(printf)("setfsuid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 736 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 737 | break; |
| 738 | # endif |
| 739 | |
| 740 | /* !!!!!!!!!! New, untested syscalls, 8 Mar 02 !!!!!!!!!!! */ |
| 741 | |
| 742 | # if defined(__NR_sendfile) |
| 743 | case __NR_sendfile: /* syscall 187 */ |
| 744 | /* ssize_t sendfile(int out_fd, int in_fd, off_t *offset, |
| 745 | size_t count) */ |
| 746 | if (VG_(clo_trace_syscalls)) |
| 747 | VG_(printf)("sendfile ( %d, %d, %p, %d )\n",arg1,arg2,arg3,arg4); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 748 | must_be_writable( tst, "sendfile(offset)", arg3, sizeof(off_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 749 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 750 | if (!VG_(is_kerror)(res)) { |
| 751 | make_readable( arg3, sizeof( off_t ) ); |
| 752 | } |
| 753 | break; |
| 754 | # endif |
| 755 | |
| 756 | /* !!!!!!!!!! New, untested syscalls, 7 Mar 02 !!!!!!!!!!! */ |
| 757 | |
| 758 | # if defined(__NR_pwrite) |
| 759 | case __NR_pwrite: /* syscall 181 */ |
| 760 | /* ssize_t pwrite (int fd, const void *buf, size_t nbytes, |
| 761 | off_t offset); */ |
| 762 | if (VG_(clo_trace_syscalls)) |
| 763 | VG_(printf)("pwrite ( %d, %p, %d, %d )\n", arg1, arg2, arg3, arg4); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 764 | must_be_readable( tst, "pwrite(buf)", arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 765 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 766 | break; |
| 767 | # endif |
| 768 | |
| 769 | /* !!!!!!!!!! New, untested syscalls, 6 Mar 02 !!!!!!!!!!! */ |
| 770 | |
| 771 | case __NR_sync: /* syscall 36 */ |
| 772 | /* int sync(); */ |
| 773 | if (VG_(clo_trace_syscalls)) |
| 774 | VG_(printf)("sync ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 775 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 776 | break; |
| 777 | |
| 778 | case __NR_fstatfs: /* syscall 100 */ |
| 779 | /* int fstatfs(int fd, struct statfs *buf); */ |
| 780 | if (VG_(clo_trace_syscalls)) |
| 781 | VG_(printf)("fstatfs ( %d, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 782 | must_be_writable( tst, "stat(buf)", arg2, sizeof(struct statfs) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 783 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 784 | if (!VG_(is_kerror)(res)) |
| 785 | make_readable( arg2, sizeof(struct statfs) ); |
| 786 | break; |
| 787 | |
| 788 | /* !!!!!!!!!! New, untested syscalls, 4 Mar 02 !!!!!!!!!!! */ |
| 789 | |
| 790 | case __NR_pause: /* syscall 29 */ |
| 791 | /* int pause(void); */ |
| 792 | if (VG_(clo_trace_syscalls)) |
| 793 | VG_(printf)("pause ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 794 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 795 | break; |
| 796 | |
| 797 | case __NR_getsid: /* syscall 147 */ |
| 798 | /* pid_t getsid(pid_t pid); */ |
| 799 | if (VG_(clo_trace_syscalls)) |
| 800 | VG_(printf)("getsid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 801 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 802 | break; |
| 803 | |
| 804 | # if defined(__NR_pread) |
| 805 | case __NR_pread: /* syscall 180 */ |
| 806 | /* ssize_t pread(int fd, void *buf, size_t count, off_t offset); */ |
| 807 | if (VG_(clo_trace_syscalls)) |
| 808 | VG_(printf)("pread ( %d, %p, %d, %d ) ...\n",arg1,arg2,arg3,arg4); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 809 | must_be_writable( tst, "pread(buf)", arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 810 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 811 | if (VG_(clo_trace_syscalls)) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 812 | VG_(printf)("SYSCALL[%d] pread ( %d, %p, %d, %d ) --> %d\n", |
| 813 | VG_(getpid)(), |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 814 | arg1, arg2, arg3, arg4, res); |
| 815 | if (!VG_(is_kerror)(res) && res > 0) { |
| 816 | make_readable( arg2, res ); |
| 817 | } |
| 818 | break; |
| 819 | # endif |
| 820 | |
| 821 | /* !!!!!!!!!! New, untested syscalls, 27 Feb 02 !!!!!!!!!! */ |
| 822 | |
| 823 | case __NR_mknod: /* syscall 14 */ |
| 824 | /* int mknod(const char *pathname, mode_t mode, dev_t dev); */ |
| 825 | if (VG_(clo_trace_syscalls)) |
| 826 | VG_(printf)("mknod ( %p, 0x%x, 0x%x )\n", arg1, arg2, arg3 ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 827 | must_be_readable_asciiz( tst, "mknod(pathname)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 828 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 829 | break; |
| 830 | |
| 831 | case __NR_flock: /* syscall 143 */ |
| 832 | /* int flock(int fd, int operation); */ |
| 833 | if (VG_(clo_trace_syscalls)) |
| 834 | VG_(printf)("flock ( %d, %d )\n", arg1, arg2 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 835 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 836 | break; |
| 837 | |
| 838 | # if defined(__NR_rt_sigsuspend) |
| 839 | /* Viewed with great suspicion by me, but, hey, let's do it |
| 840 | anyway ... */ |
| 841 | case __NR_rt_sigsuspend: /* syscall 179 */ |
| 842 | /* int sigsuspend(const sigset_t *mask); */ |
| 843 | if (VG_(clo_trace_syscalls)) |
| 844 | VG_(printf)("sigsuspend ( %p )\n", arg1 ); |
| 845 | if (arg1 != (Addr)NULL) { |
| 846 | /* above NULL test is paranoia */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 847 | must_be_readable( tst, "sigsuspend(mask)", arg1, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 848 | sizeof(vki_ksigset_t) ); |
| 849 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 850 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 851 | break; |
| 852 | # endif |
| 853 | |
| 854 | case __NR_init_module: /* syscall 128 */ |
| 855 | /* int init_module(const char *name, struct module *image); */ |
| 856 | if (VG_(clo_trace_syscalls)) |
| 857 | VG_(printf)("init_module ( %p, %p )\n", arg1, arg2 ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 858 | must_be_readable_asciiz( tst, "init_module(name)", arg1 ); |
| 859 | must_be_readable( tst, "init_module(image)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 860 | sizeof(struct module) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 861 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 862 | break; |
| 863 | |
| 864 | case __NR_ioperm: /* syscall 101 */ |
| 865 | /* int ioperm(unsigned long from, unsigned long num, int turn_on); */ |
| 866 | if (VG_(clo_trace_syscalls)) |
| 867 | VG_(printf)("ioperm ( %d, %d, %d )\n", arg1, arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 868 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 869 | break; |
| 870 | |
| 871 | case __NR_capget: /* syscall 184 */ |
| 872 | /* int capget(cap_user_header_t header, cap_user_data_t data); */ |
| 873 | if (VG_(clo_trace_syscalls)) |
| 874 | VG_(printf)("capget ( %p, %p )\n", arg1, arg2 ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 875 | must_be_readable( tst, "capget(header)", arg1, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 876 | sizeof(vki_cap_user_header_t) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 877 | must_be_writable( tst, "capget(data)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 878 | sizeof( vki_cap_user_data_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 879 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 880 | if (!VG_(is_kerror)(res) && arg2 != (Addr)NULL) |
| 881 | make_readable ( arg2, sizeof( vki_cap_user_data_t) ); |
| 882 | break; |
| 883 | |
| 884 | /* !!!!!!!!!!!!!!!!!!!!! mutant ones !!!!!!!!!!!!!!!!!!!!! */ |
| 885 | |
| 886 | case __NR_execve: |
| 887 | /* int execve (const char *filename, |
| 888 | char *const argv [], |
| 889 | char *const envp[]); */ |
| 890 | if (VG_(clo_trace_syscalls)) |
| 891 | VG_(printf)("execve ( %p(%s), %p, %p ) --- NOT CHECKED\n", |
| 892 | arg1, arg1, arg2, arg3); |
| 893 | /* Make any binding for LD_PRELOAD disappear, so that child |
| 894 | processes don't get traced into. */ |
| 895 | if (!VG_(clo_trace_children)) { |
| 896 | Int i; |
| 897 | Char** envp = (Char**)arg3; |
sewardj | 3e1eb1f | 2002-05-18 13:14:17 +0000 | [diff] [blame] | 898 | Char* ld_preload_str = NULL; |
| 899 | Char* ld_library_path_str = NULL; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 900 | for (i = 0; envp[i] != NULL; i++) { |
sewardj | 3e1eb1f | 2002-05-18 13:14:17 +0000 | [diff] [blame] | 901 | if (VG_(strncmp)(envp[i], "LD_PRELOAD=", 11) == 0) |
| 902 | ld_preload_str = &envp[i][11]; |
| 903 | if (VG_(strncmp)(envp[i], "LD_LIBRARY_PATH=", 16) == 0) |
| 904 | ld_library_path_str = &envp[i][16]; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 905 | } |
sewardj | 3e1eb1f | 2002-05-18 13:14:17 +0000 | [diff] [blame] | 906 | VG_(mash_LD_PRELOAD_and_LD_LIBRARY_PATH)( |
| 907 | ld_preload_str, ld_library_path_str ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 908 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 909 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 910 | /* Should we still be alive here? Don't think so. */ |
| 911 | /* Actually, above comment is wrong. execve can fail, just |
| 912 | like any other syscall -- typically the file to exec does |
| 913 | not exist. Hence: */ |
| 914 | vg_assert(VG_(is_kerror)(res)); |
| 915 | break; |
| 916 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 917 | /* !!!!!!!!!!!!!!!!!!!!! end !!!!!!!!!!!!!!!!!!!!! */ |
| 918 | |
| 919 | case __NR_access: /* syscall 33 */ |
| 920 | /* int access(const char *pathname, int mode); */ |
| 921 | if (VG_(clo_trace_syscalls)) |
| 922 | VG_(printf)("access ( %p, %d )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 923 | must_be_readable_asciiz( tst, "access(pathname)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 924 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 925 | break; |
| 926 | |
| 927 | case __NR_alarm: /* syscall 27 */ |
| 928 | /* unsigned int alarm(unsigned int seconds); */ |
| 929 | if (VG_(clo_trace_syscalls)) |
| 930 | VG_(printf)("alarm ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 931 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 932 | break; |
| 933 | |
| 934 | case __NR_brk: /* syscall 45 */ |
| 935 | /* Haven't a clue if this is really right. */ |
| 936 | /* int brk(void *end_data_segment); */ |
| 937 | if (VG_(clo_trace_syscalls)) |
| 938 | VG_(printf)("brk ( %p ) --> ",arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 939 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 940 | if (VG_(clo_trace_syscalls)) |
| 941 | VG_(printf)("0x%x\n", res); |
| 942 | |
| 943 | if (!VG_(is_kerror)(res)) { |
| 944 | if (arg1 == 0) { |
| 945 | /* Just asking where the current end is. (???) */ |
| 946 | VGM_(curr_dataseg_end) = res; |
| 947 | } else |
| 948 | if (arg1 < VGM_(curr_dataseg_end)) { |
| 949 | /* shrinking the data segment. */ |
| 950 | make_noaccess( (Addr)arg1, |
| 951 | VGM_(curr_dataseg_end)-arg1 ); |
| 952 | VGM_(curr_dataseg_end) = arg1; |
| 953 | } else |
| 954 | if (arg1 > VGM_(curr_dataseg_end) && res != 0) { |
| 955 | /* asked for more memory, and got it */ |
| 956 | /* |
| 957 | VG_(printf)("BRK: new area %x .. %x\n", |
| 958 | VGM_(curr_dataseg_end, arg1-1 ); |
| 959 | */ |
| 960 | make_writable ( (Addr)VGM_(curr_dataseg_end), |
| 961 | arg1-VGM_(curr_dataseg_end) ); |
| 962 | VGM_(curr_dataseg_end) = arg1; |
| 963 | } |
| 964 | } |
| 965 | break; |
| 966 | |
| 967 | case __NR_chdir: /* syscall 12 */ |
| 968 | /* int chdir(const char *path); */ |
| 969 | if (VG_(clo_trace_syscalls)) |
| 970 | VG_(printf)("chdir ( %p )\n", arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 971 | must_be_readable_asciiz( tst, "chdir(path)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 972 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 973 | break; |
| 974 | |
| 975 | case __NR_chmod: /* syscall 15 */ |
| 976 | /* int chmod(const char *path, mode_t mode); */ |
| 977 | if (VG_(clo_trace_syscalls)) |
| 978 | VG_(printf)("chmod ( %p, %d )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 979 | must_be_readable_asciiz( tst, "chmod(path)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 980 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 981 | break; |
| 982 | |
| 983 | # if defined(__NR_chown32) |
| 984 | case __NR_chown32: /* syscall 212 */ |
| 985 | # endif |
| 986 | # if defined(__NR_lchown32) |
| 987 | case __NR_lchown32: /* syscall 198 */ |
| 988 | # endif |
| 989 | case __NR_chown: /* syscall 16 */ |
| 990 | /* int chown(const char *path, uid_t owner, gid_t group); */ |
| 991 | if (VG_(clo_trace_syscalls)) |
| 992 | VG_(printf)("chown ( %p, 0x%x, 0x%x )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 993 | must_be_readable_asciiz( tst, "chown(path)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 994 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 995 | break; |
| 996 | |
| 997 | case __NR_close: /* syscall 6 */ |
| 998 | /* int close(int fd); */ |
| 999 | if (VG_(clo_trace_syscalls)) |
| 1000 | VG_(printf)("close ( %d )\n",arg1); |
| 1001 | /* Detect and negate attempts by the client to close Valgrind's |
| 1002 | logfile fd ... */ |
| 1003 | if (arg1 == VG_(clo_logfile_fd)) { |
| 1004 | VG_(message)(Vg_UserMsg, |
| 1005 | "Warning: client attempted to close " |
| 1006 | "Valgrind's logfile fd (%d).", |
| 1007 | VG_(clo_logfile_fd)); |
| 1008 | VG_(message)(Vg_UserMsg, |
| 1009 | " Use --logfile-fd=<number> to select an " |
| 1010 | "alternative logfile fd." ); |
| 1011 | } else { |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1012 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1013 | } |
| 1014 | break; |
| 1015 | |
| 1016 | case __NR_dup: /* syscall 41 */ |
| 1017 | /* int dup(int oldfd); */ |
| 1018 | if (VG_(clo_trace_syscalls)) |
| 1019 | VG_(printf)("dup ( %d ) --> ", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1020 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1021 | if (VG_(clo_trace_syscalls)) |
| 1022 | VG_(printf)("%d\n", res); |
| 1023 | break; |
| 1024 | |
| 1025 | case __NR_dup2: /* syscall 63 */ |
| 1026 | /* int dup2(int oldfd, int newfd); */ |
| 1027 | if (VG_(clo_trace_syscalls)) |
| 1028 | VG_(printf)("dup2 ( %d, %d ) ...\n", arg1,arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1029 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1030 | if (VG_(clo_trace_syscalls)) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1031 | VG_(printf)("SYSCALL[%d] dup2 ( %d, %d ) = %d\n", |
| 1032 | VG_(getpid)(), |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1033 | arg1, arg2, res); |
| 1034 | break; |
| 1035 | |
| 1036 | case __NR_fcntl: /* syscall 55 */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1037 | /* int fcntl(int fd, int cmd, int arg); */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1038 | if (VG_(clo_trace_syscalls)) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1039 | VG_(printf)("fcntl ( %d, %d, %d )\n",arg1,arg2,arg3); |
| 1040 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1041 | break; |
| 1042 | |
| 1043 | case __NR_fchdir: /* syscall 133 */ |
| 1044 | /* int fchdir(int fd); */ |
| 1045 | if (VG_(clo_trace_syscalls)) |
| 1046 | VG_(printf)("fchdir ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1047 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1048 | break; |
| 1049 | |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1050 | # if defined(__NR_fchown32) |
| 1051 | case __NR_fchown32: /* syscall 207 */ |
| 1052 | # endif |
| 1053 | case __NR_fchown: /* syscall 95 */ |
| 1054 | /* int fchown(int filedes, uid_t owner, gid_t group); */ |
| 1055 | if (VG_(clo_trace_syscalls)) |
| 1056 | VG_(printf)("fchown ( %d, %d, %d )\n", arg1,arg2,arg3); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1057 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1058 | break; |
| 1059 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1060 | case __NR_fchmod: /* syscall 94 */ |
| 1061 | /* int fchmod(int fildes, mode_t mode); */ |
| 1062 | if (VG_(clo_trace_syscalls)) |
| 1063 | VG_(printf)("fchmod ( %d, %d )\n", arg1,arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1064 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1065 | break; |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1066 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1067 | # if defined(__NR_fcntl64) |
| 1068 | case __NR_fcntl64: /* syscall 221 */ |
| 1069 | /* I don't know what the prototype for this is supposed to be. */ |
| 1070 | /* ??? int fcntl(int fd, int cmd); */ |
| 1071 | if (VG_(clo_trace_syscalls)) |
| 1072 | VG_(printf)("fcntl64 (?!) ( %d, %d )\n", arg1,arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1073 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1074 | break; |
| 1075 | # endif |
| 1076 | |
| 1077 | case __NR_fstat: /* syscall 108 */ |
| 1078 | /* int fstat(int filedes, struct stat *buf); */ |
| 1079 | if (VG_(clo_trace_syscalls)) |
| 1080 | VG_(printf)("fstat ( %d, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1081 | must_be_writable( tst, "fstat", arg2, sizeof(struct stat) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1082 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1083 | if (!VG_(is_kerror)(res)) |
| 1084 | make_readable( arg2, sizeof(struct stat) ); |
| 1085 | break; |
| 1086 | |
| 1087 | case __NR_vfork: /* syscall 190 */ |
| 1088 | /* pid_t vfork(void); */ |
| 1089 | if (VG_(clo_trace_syscalls)) |
| 1090 | VG_(printf)("vfork ( ) ... becomes ... "); |
| 1091 | /* KLUDGE: we prefer to do a fork rather than vfork. |
| 1092 | vfork gives a SIGSEGV, and the stated semantics looks |
| 1093 | pretty much impossible for us. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1094 | tst->m_eax = __NR_fork; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1095 | /* fall through ... */ |
| 1096 | case __NR_fork: /* syscall 2 */ |
| 1097 | /* pid_t fork(void); */ |
| 1098 | if (VG_(clo_trace_syscalls)) |
| 1099 | VG_(printf)("fork ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1100 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1101 | break; |
| 1102 | |
| 1103 | case __NR_fsync: /* syscall 118 */ |
| 1104 | /* int fsync(int fd); */ |
| 1105 | if (VG_(clo_trace_syscalls)) |
| 1106 | VG_(printf)("fsync ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1107 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1108 | break; |
| 1109 | |
| 1110 | case __NR_ftruncate: /* syscall 93 */ |
| 1111 | /* int ftruncate(int fd, size_t length); */ |
| 1112 | if (VG_(clo_trace_syscalls)) |
| 1113 | VG_(printf)("ftruncate ( %d, %d )\n", arg1,arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1114 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1115 | break; |
| 1116 | |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1117 | # if defined(__NR_ftruncate64) |
| 1118 | case __NR_ftruncate64: /* syscall 194 */ |
| 1119 | /* int ftruncate64(int fd, off64_t length); */ |
| 1120 | if (VG_(clo_trace_syscalls)) |
| 1121 | VG_(printf)("ftruncate64 ( %d, %lld )\n", |
| 1122 | arg1,arg2|((long long) arg3 << 32)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1123 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1124 | break; |
| 1125 | # endif |
| 1126 | |
| 1127 | case __NR_getdents: /* syscall 141 */ |
| 1128 | /* int getdents(unsigned int fd, struct dirent *dirp, |
| 1129 | unsigned int count); */ |
| 1130 | if (VG_(clo_trace_syscalls)) |
| 1131 | VG_(printf)("getdents ( %d, %p, %d )\n",arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1132 | must_be_writable( tst, "getdents(dirp)", arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1133 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1134 | if (!VG_(is_kerror)(res) && res > 0) |
| 1135 | make_readable( arg2, res ); |
| 1136 | break; |
| 1137 | |
| 1138 | # if defined(__NR_getdents64) |
| 1139 | case __NR_getdents64: /* syscall 220 */ |
| 1140 | /* int getdents(unsigned int fd, struct dirent64 *dirp, |
| 1141 | unsigned int count); */ |
| 1142 | if (VG_(clo_trace_syscalls)) |
| 1143 | VG_(printf)("getdents64 ( %d, %p, %d )\n",arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1144 | must_be_writable( tst, "getdents64(dirp)", arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1145 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1146 | if (!VG_(is_kerror)(res) && res > 0) |
| 1147 | make_readable( arg2, res ); |
| 1148 | break; |
| 1149 | # endif |
| 1150 | |
| 1151 | # if defined(__NR_getgroups32) |
| 1152 | case __NR_getgroups32: /* syscall 205 */ |
| 1153 | # endif |
| 1154 | case __NR_getgroups: /* syscall 80 */ |
| 1155 | /* int getgroups(int size, gid_t list[]); */ |
| 1156 | if (VG_(clo_trace_syscalls)) |
| 1157 | VG_(printf)("getgroups ( %d, %p )\n", arg1, arg2); |
| 1158 | if (arg1 > 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1159 | must_be_writable ( tst, "getgroups(list)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1160 | arg1 * sizeof(gid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1161 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1162 | if (arg1 > 0 && !VG_(is_kerror)(res) && res > 0) |
| 1163 | make_readable ( arg2, res * sizeof(gid_t) ); |
| 1164 | break; |
| 1165 | |
| 1166 | case __NR_getcwd: /* syscall 183 */ |
| 1167 | /* char *getcwd(char *buf, size_t size); */ |
| 1168 | if (VG_(clo_trace_syscalls)) |
| 1169 | VG_(printf)("getcwd ( %p, %d )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1170 | must_be_writable( tst, "getcwd(buf)", arg1, arg2 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1171 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1172 | if (!VG_(is_kerror)(res) && res != (Addr)NULL) |
| 1173 | make_readable ( arg1, arg2 ); |
| 1174 | /* Not really right -- really we should have the asciiz |
| 1175 | string starting at arg1 readable, or up to arg2 bytes, |
| 1176 | whichever finishes first. */ |
| 1177 | break; |
| 1178 | |
| 1179 | case __NR_geteuid: /* syscall 49 */ |
| 1180 | /* uid_t geteuid(void); */ |
| 1181 | if (VG_(clo_trace_syscalls)) |
| 1182 | VG_(printf)("geteuid ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1183 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1184 | break; |
| 1185 | |
| 1186 | # if defined(__NR_geteuid32) |
| 1187 | case __NR_geteuid32: /* syscall 201 */ |
| 1188 | /* ?? uid_t geteuid32(void); */ |
| 1189 | if (VG_(clo_trace_syscalls)) |
| 1190 | VG_(printf)("geteuid32(?) ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1191 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1192 | break; |
| 1193 | # endif |
| 1194 | |
| 1195 | case __NR_getegid: /* syscall 50 */ |
| 1196 | /* gid_t getegid(void); */ |
| 1197 | if (VG_(clo_trace_syscalls)) |
| 1198 | VG_(printf)("getegid ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1199 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1200 | break; |
| 1201 | |
| 1202 | # if defined(__NR_getegid32) |
| 1203 | case __NR_getegid32: /* syscall 202 */ |
| 1204 | /* gid_t getegid32(void); */ |
| 1205 | if (VG_(clo_trace_syscalls)) |
| 1206 | VG_(printf)("getegid32 ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1207 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1208 | break; |
| 1209 | # endif |
| 1210 | |
| 1211 | case __NR_getgid: /* syscall 47 */ |
| 1212 | /* gid_t getgid(void); */ |
| 1213 | if (VG_(clo_trace_syscalls)) |
| 1214 | VG_(printf)("getgid ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1215 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1216 | break; |
| 1217 | |
| 1218 | # if defined(__NR_getgid32) |
| 1219 | case __NR_getgid32: /* syscall 200 */ |
| 1220 | /* gid_t getgid32(void); */ |
| 1221 | if (VG_(clo_trace_syscalls)) |
| 1222 | VG_(printf)("getgid32 ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1223 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1224 | break; |
| 1225 | # endif |
| 1226 | |
| 1227 | case __NR_getpid: /* syscall 20 */ |
| 1228 | /* pid_t getpid(void); */ |
| 1229 | if (VG_(clo_trace_syscalls)) |
| 1230 | VG_(printf)("getpid ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1231 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1232 | break; |
| 1233 | |
| 1234 | case __NR_getpgid: /* syscall 132 */ |
| 1235 | /* pid_t getpgid(pid_t pid); */ |
| 1236 | if (VG_(clo_trace_syscalls)) |
| 1237 | VG_(printf)("getpgid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1238 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1239 | break; |
| 1240 | |
| 1241 | case __NR_getpgrp: /* syscall 65 */ |
| 1242 | /* pid_t getpprp(void); */ |
| 1243 | if (VG_(clo_trace_syscalls)) |
| 1244 | VG_(printf)("getpgrp ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1245 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1246 | break; |
| 1247 | |
| 1248 | case __NR_getppid: /* syscall 64 */ |
| 1249 | /* pid_t getppid(void); */ |
| 1250 | if (VG_(clo_trace_syscalls)) |
| 1251 | VG_(printf)("getppid ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1252 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1253 | break; |
| 1254 | |
| 1255 | case __NR_getresgid: /* syscall 171 */ |
| 1256 | /* int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid); */ |
| 1257 | if (VG_(clo_trace_syscalls)) |
| 1258 | VG_(printf)("getresgid ( %p, %p, %p )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1259 | must_be_writable ( tst, "getresgid(rgid)", arg1, sizeof(gid_t) ); |
| 1260 | must_be_writable ( tst, "getresgid(egid)", arg2, sizeof(gid_t) ); |
| 1261 | must_be_writable ( tst, "getresgid(sgid)", arg3, sizeof(gid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1262 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1263 | if (!VG_(is_kerror)(res) && res == 0) { |
| 1264 | make_readable ( arg1, sizeof(gid_t) ); |
| 1265 | make_readable ( arg2, sizeof(gid_t) ); |
| 1266 | make_readable ( arg3, sizeof(gid_t) ); |
| 1267 | } |
| 1268 | break; |
| 1269 | |
| 1270 | # if defined(__NR_getresgid32) |
| 1271 | case __NR_getresgid32: /* syscall 211 */ |
| 1272 | /* int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid); */ |
| 1273 | if (VG_(clo_trace_syscalls)) |
| 1274 | VG_(printf)("getresgid32 ( %p, %p, %p )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1275 | must_be_writable ( tst, "getresgid32(rgid)", arg1, sizeof(gid_t) ); |
| 1276 | must_be_writable ( tst, "getresgid32(egid)", arg2, sizeof(gid_t) ); |
| 1277 | must_be_writable ( tst, "getresgid32(sgid)", arg3, sizeof(gid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1278 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1279 | if (!VG_(is_kerror)(res) && res == 0) { |
| 1280 | make_readable ( arg1, sizeof(gid_t) ); |
| 1281 | make_readable ( arg2, sizeof(gid_t) ); |
| 1282 | make_readable ( arg3, sizeof(gid_t) ); |
| 1283 | } |
| 1284 | break; |
| 1285 | # endif |
| 1286 | |
| 1287 | case __NR_getresuid: /* syscall 165 */ |
| 1288 | /* int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid); */ |
| 1289 | if (VG_(clo_trace_syscalls)) |
| 1290 | VG_(printf)("getresuid ( %p, %p, %p )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1291 | must_be_writable ( tst, "getresuid(ruid)", arg1, sizeof(uid_t) ); |
| 1292 | must_be_writable ( tst, "getresuid(euid)", arg2, sizeof(uid_t) ); |
| 1293 | must_be_writable ( tst, "getresuid(suid)", arg3, sizeof(uid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1294 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1295 | if (!VG_(is_kerror)(res) && res == 0) { |
| 1296 | make_readable ( arg1, sizeof(uid_t) ); |
| 1297 | make_readable ( arg2, sizeof(uid_t) ); |
| 1298 | make_readable ( arg3, sizeof(uid_t) ); |
| 1299 | } |
| 1300 | break; |
| 1301 | |
| 1302 | # if defined(__NR_getresuid32) |
| 1303 | case __NR_getresuid32: /* syscall 209 */ |
| 1304 | /* int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid); */ |
| 1305 | if (VG_(clo_trace_syscalls)) |
| 1306 | VG_(printf)("getresuid32 ( %p, %p, %p )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1307 | must_be_writable ( tst, "getresuid32(ruid)", arg1, sizeof(uid_t) ); |
| 1308 | must_be_writable ( tst, "getresuid32(euid)", arg2, sizeof(uid_t) ); |
| 1309 | must_be_writable ( tst, "getresuid32(suid)", arg3, sizeof(uid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1310 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1311 | if (!VG_(is_kerror)(res) && res == 0) { |
| 1312 | make_readable ( arg1, sizeof(uid_t) ); |
| 1313 | make_readable ( arg2, sizeof(uid_t) ); |
| 1314 | make_readable ( arg3, sizeof(uid_t) ); |
| 1315 | } |
| 1316 | break; |
| 1317 | # endif |
| 1318 | |
| 1319 | # if defined(__NR_ugetrlimit) |
| 1320 | case __NR_ugetrlimit: /* syscall 191 */ |
| 1321 | # endif |
| 1322 | case __NR_getrlimit: /* syscall 76 */ |
| 1323 | /* int getrlimit (int resource, struct rlimit *rlim); */ |
| 1324 | if (VG_(clo_trace_syscalls)) |
| 1325 | VG_(printf)("getrlimit ( %d, %p )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1326 | must_be_writable( tst, "getrlimit(rlim)", arg2, |
| 1327 | sizeof(struct rlimit) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1328 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1329 | if (!VG_(is_kerror)(res) && res == 0) |
| 1330 | make_readable( arg2, sizeof(struct rlimit) ); |
| 1331 | break; |
| 1332 | |
| 1333 | case __NR_getrusage: /* syscall 77 */ |
| 1334 | /* int getrusage (int who, struct rusage *usage); */ |
| 1335 | if (VG_(clo_trace_syscalls)) |
| 1336 | VG_(printf)("getrusage ( %d, %p )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1337 | must_be_writable( tst, "getrusage(usage)", arg2, |
| 1338 | sizeof(struct rusage) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1339 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1340 | if (!VG_(is_kerror)(res) && res == 0) |
| 1341 | make_readable(arg2, sizeof(struct rusage) ); |
| 1342 | break; |
| 1343 | |
| 1344 | case __NR_gettimeofday: /* syscall 78 */ |
| 1345 | /* int gettimeofday(struct timeval *tv, struct timezone *tz); */ |
| 1346 | if (VG_(clo_trace_syscalls)) |
| 1347 | VG_(printf)("gettimeofday ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1348 | must_be_writable( tst, "gettimeofday(tv)", arg1, |
| 1349 | sizeof(struct timeval) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1350 | if (arg2 != 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1351 | must_be_writable( tst, "gettimeofday(tz)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1352 | sizeof(struct timezone) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1353 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1354 | if (!VG_(is_kerror)(res) && res == 0) { |
| 1355 | make_readable( arg1, sizeof(struct timeval) ); |
| 1356 | if (arg2 != 0) |
| 1357 | make_readable( arg2, sizeof(struct timezone) ); |
| 1358 | } |
| 1359 | break; |
| 1360 | |
| 1361 | case __NR_getuid: /* syscall 24 */ |
| 1362 | /* uid_t getuid(void); */ |
| 1363 | if (VG_(clo_trace_syscalls)) |
| 1364 | VG_(printf)("getuid ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1365 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1366 | break; |
| 1367 | |
| 1368 | # if defined(__NR_getuid32) |
| 1369 | case __NR_getuid32: /* syscall 199 */ |
| 1370 | /* ???uid_t getuid32(void); */ |
| 1371 | if (VG_(clo_trace_syscalls)) |
| 1372 | VG_(printf)("getuid32 ( )\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1373 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1374 | break; |
| 1375 | # endif |
| 1376 | |
| 1377 | case __NR_ipc: /* syscall 117 */ |
| 1378 | /* int ipc ( unsigned int call, int first, int second, |
| 1379 | int third, void *ptr, long fifth); */ |
| 1380 | { |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1381 | UInt arg6 = tst->m_ebp; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1382 | |
| 1383 | if (VG_(clo_trace_syscalls)) |
| 1384 | VG_(printf)("ipc ( %d, %d, %d, %d, %p, %d )\n", |
| 1385 | arg1,arg2,arg3,arg4,arg5,arg6); |
| 1386 | switch (arg1 /* call */) { |
| 1387 | case 1: /* IPCOP_semop */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1388 | must_be_readable ( tst, "semop(sops)", arg5, |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1389 | arg3 * sizeof(struct sembuf) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1390 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1391 | break; |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1392 | case 2: /* IPCOP_semget */ |
| 1393 | case 3: /* IPCOP_semctl */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1394 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1395 | break; |
| 1396 | case 11: /* IPCOP_msgsnd */ |
| 1397 | { |
| 1398 | struct msgbuf *msgp = (struct msgbuf *)arg5; |
| 1399 | Int msgsz = arg3; |
| 1400 | |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1401 | must_be_readable ( tst, "msgsnd(msgp->mtype)", |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1402 | (UInt)&msgp->mtype, sizeof(msgp->mtype) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1403 | must_be_readable ( tst, "msgsnd(msgp->mtext)", |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1404 | (UInt)msgp->mtext, msgsz ); |
| 1405 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1406 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1407 | break; |
| 1408 | } |
| 1409 | case 12: /* IPCOP_msgrcv */ |
| 1410 | { |
sewardj | 59c255c | 2002-04-27 02:06:15 +0000 | [diff] [blame] | 1411 | struct msgbuf *msgp; |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1412 | Int msgsz = arg3; |
sewardj | 59c255c | 2002-04-27 02:06:15 +0000 | [diff] [blame] | 1413 | |
| 1414 | msgp = (struct msgbuf *)safe_dereference( |
| 1415 | (Addr) (&((struct ipc_kludge *)arg5)->msgp), 0 ); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1416 | |
sewardj | 59c255c | 2002-04-27 02:06:15 +0000 | [diff] [blame] | 1417 | must_be_writable ( tst, "msgrcv(msgp->mtype)", |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1418 | (UInt)&msgp->mtype, sizeof(msgp->mtype) ); |
sewardj | 59c255c | 2002-04-27 02:06:15 +0000 | [diff] [blame] | 1419 | must_be_writable ( tst, "msgrcv(msgp->mtext)", |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1420 | (UInt)msgp->mtext, msgsz ); |
| 1421 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1422 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1423 | |
| 1424 | if ( !VG_(is_kerror)(res) && res > 0 ) { |
| 1425 | make_readable ( (UInt)&msgp->mtype, sizeof(msgp->mtype) ); |
| 1426 | make_readable ( (UInt)msgp->mtext, res ); |
| 1427 | } |
| 1428 | break; |
| 1429 | } |
| 1430 | case 13: /* IPCOP_msgget */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1431 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1432 | break; |
| 1433 | case 14: /* IPCOP_msgctl */ |
| 1434 | { |
| 1435 | switch (arg3 /* cmd */) { |
| 1436 | case IPC_STAT: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1437 | must_be_writable ( tst, "msgctl(buf)", arg5, |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1438 | sizeof(struct msqid_ds) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1439 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1440 | if ( !VG_(is_kerror)(res) && res > 0 ) { |
| 1441 | make_readable ( arg5, sizeof(struct msqid_ds) ); |
| 1442 | } |
| 1443 | break; |
| 1444 | case IPC_SET: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1445 | must_be_readable ( tst, "msgctl(buf)", arg5, |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1446 | sizeof(struct msqid_ds) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1447 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1448 | break; |
sewardj | c9add3b | 2002-04-16 01:58:19 +0000 | [diff] [blame] | 1449 | # if defined(IPC_64) |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1450 | case IPC_STAT|IPC_64: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1451 | must_be_writable ( tst, "msgctl(buf)", arg5, |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1452 | sizeof(struct msqid64_ds) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1453 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1454 | if ( !VG_(is_kerror)(res) && res > 0 ) { |
| 1455 | make_readable ( arg5, sizeof(struct msqid64_ds) ); |
| 1456 | } |
| 1457 | break; |
sewardj | c9add3b | 2002-04-16 01:58:19 +0000 | [diff] [blame] | 1458 | # endif |
| 1459 | # if defined(IPC_64) |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1460 | case IPC_SET|IPC_64: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1461 | must_be_readable ( tst, "msgctl(buf)", arg5, |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1462 | sizeof(struct msqid64_ds) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1463 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1464 | break; |
sewardj | c9add3b | 2002-04-16 01:58:19 +0000 | [diff] [blame] | 1465 | # endif |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1466 | default: |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1467 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 5b9e350 | 2002-03-29 04:35:08 +0000 | [diff] [blame] | 1468 | break; |
| 1469 | } |
| 1470 | break; |
| 1471 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1472 | case 21: /* IPCOP_shmat */ |
| 1473 | { |
| 1474 | Int shmid = arg2; |
| 1475 | Int shmflag = arg3; |
| 1476 | UInt addr; |
| 1477 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1478 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1479 | |
| 1480 | if ( VG_(is_kerror) ( res ) ) |
| 1481 | break; |
| 1482 | |
| 1483 | /* force readability. before the syscall it is |
| 1484 | * indeed uninitialized, as can be seen in |
| 1485 | * glibc/sysdeps/unix/sysv/linux/shmat.c */ |
| 1486 | make_readable ( arg4, sizeof( ULong ) ); |
| 1487 | |
| 1488 | addr = safe_dereference ( arg4, 0 ); |
| 1489 | if ( addr > 0 ) { |
| 1490 | UInt segmentSize = get_shm_size ( shmid ); |
| 1491 | if ( segmentSize > 0 ) { |
| 1492 | if ( shmflag & SHM_RDONLY ) |
| 1493 | make_readable ( addr, segmentSize ); |
| 1494 | else |
| 1495 | make_readwritable ( addr, segmentSize ); |
| 1496 | } |
| 1497 | } |
| 1498 | break; |
| 1499 | } |
| 1500 | case 22: /* IPCOP_shmdt */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1501 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1502 | /* ### FIXME: this should call make_noaccess on the |
| 1503 | * area passed to shmdt. But there's no way to |
| 1504 | * figure out the size of the shared memory segment |
| 1505 | * just from the address... Maybe we want to keep a |
| 1506 | * copy of the exiting mappings inside valgrind? */ |
| 1507 | break; |
| 1508 | case 23: /* IPCOP_shmget */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1509 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1510 | break; |
| 1511 | case 24: /* IPCOP_shmctl */ |
sewardj | 2390bb5 | 2002-05-09 17:45:06 +0000 | [diff] [blame] | 1512 | /* Subject: shmctl: The True Story |
| 1513 | Date: Thu, 9 May 2002 18:07:23 +0100 (BST) |
| 1514 | From: Reuben Thomas <rrt@mupsych.org> |
| 1515 | To: Julian Seward <jseward@acm.org> |
| 1516 | |
| 1517 | 1. As you suggested, the syscall subop is in arg1. |
| 1518 | |
| 1519 | 2. There are a couple more twists, so the arg order |
| 1520 | is actually: |
| 1521 | |
| 1522 | arg1 syscall subop |
| 1523 | arg2 file desc |
| 1524 | arg3 shm operation code (can have IPC_64 set) |
| 1525 | arg4 0 ??? is arg3-arg4 a 64-bit quantity when IPC_64 |
| 1526 | is defined? |
| 1527 | arg5 pointer to buffer |
| 1528 | |
| 1529 | 3. With this in mind, I've amended the case as below: |
| 1530 | */ |
| 1531 | { |
| 1532 | UInt cmd = arg3; |
| 1533 | Bool out_arg = False; |
| 1534 | if ( arg5 ) { |
| 1535 | # if defined(IPC_64) |
| 1536 | cmd = cmd & (~IPC_64); |
| 1537 | # endif |
sewardj | 2a8cda1 | 2002-05-10 22:51:26 +0000 | [diff] [blame] | 1538 | out_arg = cmd == SHM_STAT || cmd == IPC_STAT; |
sewardj | 2390bb5 | 2002-05-09 17:45:06 +0000 | [diff] [blame] | 1539 | if ( out_arg ) |
| 1540 | must_be_writable( tst, |
| 1541 | "shmctl(SHM_STAT or IPC_STAT,buf)", |
| 1542 | arg5, sizeof(struct shmid_ds) ); |
| 1543 | else |
| 1544 | must_be_readable( tst, |
| 1545 | "shmctl(SHM_XXXX,buf)", |
| 1546 | arg5, sizeof(struct shmid_ds) ); |
| 1547 | } |
| 1548 | KERNEL_DO_SYSCALL(tid,res); |
| 1549 | if ( arg5 && !VG_(is_kerror)(res) && res == 0 && out_arg ) |
| 1550 | make_readable( arg5, sizeof(struct shmid_ds) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1551 | } |
sewardj | 84b380a | 2002-05-08 01:31:15 +0000 | [diff] [blame] | 1552 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1553 | default: |
| 1554 | VG_(message)(Vg_DebugMsg, |
| 1555 | "FATAL: unhandled syscall(ipc) %d", |
| 1556 | arg1 ); |
| 1557 | VG_(panic)("... bye!\n"); |
| 1558 | break; /*NOTREACHED*/ |
| 1559 | } |
| 1560 | } |
| 1561 | break; |
| 1562 | |
| 1563 | case __NR_ioctl: /* syscall 54 */ |
| 1564 | /* int ioctl(int d, int request, ...) |
| 1565 | [The "third" argument is traditionally char *argp, |
| 1566 | and will be so named for this discussion.] |
| 1567 | */ |
| 1568 | /* |
| 1569 | VG_(message)( |
| 1570 | Vg_DebugMsg, |
| 1571 | "is an IOCTL, request = 0x%x, d = %d, argp = 0x%x", |
| 1572 | arg2,arg1,arg3); |
| 1573 | */ |
| 1574 | if (VG_(clo_trace_syscalls)) |
| 1575 | VG_(printf)("ioctl ( %d, 0x%x, %p )\n",arg1,arg2,arg3); |
| 1576 | switch (arg2 /* request */) { |
| 1577 | case TCSETS: |
| 1578 | case TCSETSW: |
| 1579 | case TCSETSF: |
sewardj | 730e4d3 | 2002-05-09 18:40:45 +0000 | [diff] [blame] | 1580 | must_be_readable( tst, "ioctl(TCSET{S,SW,SF})", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1581 | VKI_SIZEOF_STRUCT_TERMIOS ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1582 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1583 | break; |
| 1584 | case TCGETS: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1585 | must_be_writable( tst, "ioctl(TCGETS)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1586 | VKI_SIZEOF_STRUCT_TERMIOS ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1587 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1588 | if (!VG_(is_kerror)(res) && res == 0) |
| 1589 | make_readable ( arg3, VKI_SIZEOF_STRUCT_TERMIOS ); |
| 1590 | break; |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1591 | case TCSETA: |
sewardj | 730e4d3 | 2002-05-09 18:40:45 +0000 | [diff] [blame] | 1592 | case TCSETAW: |
| 1593 | case TCSETAF: |
| 1594 | must_be_readable( tst, "ioctl(TCSET{A,AW,AF})", arg3, |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1595 | VKI_SIZEOF_STRUCT_TERMIO ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1596 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1597 | break; |
| 1598 | case TCGETA: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1599 | must_be_writable( tst, "ioctl(TCGETA)", arg3, |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1600 | VKI_SIZEOF_STRUCT_TERMIO ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1601 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 1602 | if (!VG_(is_kerror)(res) && res == 0) |
| 1603 | make_readable ( arg3, VKI_SIZEOF_STRUCT_TERMIO ); |
| 1604 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1605 | case TCSBRK: |
| 1606 | case TCSBRKP: |
| 1607 | case TCFLSH: |
| 1608 | /* These just take an int by value */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1609 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1610 | break; |
| 1611 | case TIOCGWINSZ: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1612 | must_be_writable( tst, "ioctl(TIOCGWINSZ)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1613 | sizeof(struct winsize) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1614 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1615 | if (!VG_(is_kerror)(res) && res == 0) |
| 1616 | make_readable ( arg3, sizeof(struct winsize) ); |
| 1617 | break; |
| 1618 | case TIOCSWINSZ: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1619 | must_be_readable( tst, "ioctl(TIOCSWINSZ)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1620 | sizeof(struct winsize) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1621 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1622 | break; |
sewardj | 19fe3d0 | 2002-03-29 04:39:00 +0000 | [diff] [blame] | 1623 | case TIOCGPGRP: |
| 1624 | /* Get process group ID for foreground processing group. */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1625 | must_be_writable( tst, "ioctl(TIOCGPGRP)", arg3, |
sewardj | 19fe3d0 | 2002-03-29 04:39:00 +0000 | [diff] [blame] | 1626 | sizeof(pid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1627 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 19fe3d0 | 2002-03-29 04:39:00 +0000 | [diff] [blame] | 1628 | if (!VG_(is_kerror)(res) && res == 0) |
| 1629 | make_readable ( arg3, sizeof(pid_t) ); |
sewardj | a4da937 | 2002-05-21 00:44:02 +0000 | [diff] [blame] | 1630 | break; |
| 1631 | case TIOCSPGRP: |
| 1632 | /* Set a process group ID? */ |
| 1633 | must_be_writable( tst, "ioctl(TIOCGPGRP)", arg3, |
| 1634 | sizeof(pid_t) ); |
| 1635 | KERNEL_DO_SYSCALL(tid,res); |
| 1636 | if (!VG_(is_kerror)(res) && res == 0) |
| 1637 | make_readable ( arg3, sizeof(pid_t) ); |
| 1638 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1639 | case TIOCGPTN: /* Get Pty Number (of pty-mux device) */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1640 | must_be_writable(tst, "ioctl(TIOCGPTN)", arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1641 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1642 | if (!VG_(is_kerror)(res) && res == 0) |
| 1643 | make_readable ( arg3, sizeof(int)); |
| 1644 | break; |
sewardj | 73f1f07 | 2002-03-29 14:22:46 +0000 | [diff] [blame] | 1645 | case TIOCSCTTY: |
| 1646 | /* Just takes an int value. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1647 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 73f1f07 | 2002-03-29 14:22:46 +0000 | [diff] [blame] | 1648 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1649 | case TIOCSPTLCK: /* Lock/unlock Pty */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1650 | must_be_readable( tst, "ioctl(TIOCSPTLCK)", arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1651 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1652 | break; |
| 1653 | case FIONBIO: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1654 | must_be_readable( tst, "ioctl(FIONBIO)", arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1655 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1656 | break; |
| 1657 | case FIOASYNC: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1658 | must_be_readable( tst, "ioctl(FIOASYNC)", arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1659 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1660 | break; |
| 1661 | case FIONREAD: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1662 | must_be_writable( tst, "ioctl(FIONREAD)", arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1663 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1664 | if (!VG_(is_kerror)(res) && res == 0) |
| 1665 | make_readable( arg3, sizeof(int) ); |
| 1666 | break; |
| 1667 | |
| 1668 | /* If you get compilation problems here, change the #if |
| 1669 | 1 to #if 0 and get rid of <scsi/sg.h> in |
| 1670 | vg_unsafe.h. */ |
| 1671 | # if 1 |
| 1672 | case SG_SET_COMMAND_Q: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1673 | must_be_readable( tst, "ioctl(SG_SET_COMMAND_Q)", |
| 1674 | arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1675 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1676 | break; |
| 1677 | # if defined(SG_IO) |
| 1678 | case SG_IO: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1679 | must_be_writable( tst, "ioctl(SG_IO)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1680 | sizeof(struct sg_io_hdr) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1681 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1682 | if (!VG_(is_kerror)(res) && res == 0) |
| 1683 | make_readable (arg3, sizeof(struct sg_io_hdr)); |
| 1684 | break; |
| 1685 | # endif /* SG_IO */ |
| 1686 | case SG_GET_SCSI_ID: |
| 1687 | /* Note: sometimes sg_scsi_id is called sg_scsi_id_t */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1688 | must_be_writable( tst, "ioctl(SG_GET_SCSI_ID)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1689 | sizeof(struct sg_scsi_id) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1690 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1691 | if (!VG_(is_kerror)(res) && res == 0) |
| 1692 | make_readable (arg3, sizeof(struct sg_scsi_id)); |
| 1693 | break; |
| 1694 | case SG_SET_RESERVED_SIZE: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1695 | must_be_readable( tst, "ioctl(SG_SET_RESERVED_SIZE)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1696 | arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1697 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1698 | break; |
| 1699 | case SG_SET_TIMEOUT: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1700 | must_be_readable( tst, "ioctl(SG_SET_TIMEOUT)", arg3, |
| 1701 | sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1702 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1703 | break; |
| 1704 | case SG_GET_RESERVED_SIZE: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1705 | must_be_writable( tst, "ioctl(SG_GET_RESERVED_SIZE)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1706 | sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1707 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1708 | if (!VG_(is_kerror)(res) && res == 0) |
| 1709 | make_readable (arg3, sizeof(int)); |
| 1710 | break; |
| 1711 | case SG_GET_TIMEOUT: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1712 | must_be_writable( tst, "ioctl(SG_GET_TIMEOUT)", arg3, |
| 1713 | sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1714 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1715 | if (!VG_(is_kerror)(res) && res == 0) |
| 1716 | make_readable (arg3, sizeof(int)); |
| 1717 | break; |
| 1718 | case SG_GET_VERSION_NUM: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1719 | must_be_readable( tst, "ioctl(SG_GET_VERSION_NUM)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1720 | arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1721 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1722 | break; |
| 1723 | # endif |
| 1724 | |
| 1725 | case IIOCGETCPS: |
| 1726 | /* In early 2.4 kernels, ISDN_MAX_CHANNELS was only defined |
| 1727 | * when KERNEL was. I never saw a larger value than 64 though */ |
| 1728 | # ifndef ISDN_MAX_CHANNELS |
| 1729 | # define ISDN_MAX_CHANNELS 64 |
| 1730 | # endif |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1731 | must_be_writable( tst, "ioctl(IIOCGETCPS)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1732 | ISDN_MAX_CHANNELS |
| 1733 | * 2 * sizeof(unsigned long) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1734 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1735 | if (!VG_(is_kerror)(res) && res == 0) |
| 1736 | make_readable ( arg3, ISDN_MAX_CHANNELS |
| 1737 | * 2 * sizeof(unsigned long) ); |
| 1738 | break; |
| 1739 | case IIOCNETGPN: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1740 | must_be_readable( tst, "ioctl(IIOCNETGPN)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1741 | (UInt)&((isdn_net_ioctl_phone *)arg3)->name, |
| 1742 | sizeof(((isdn_net_ioctl_phone *)arg3)->name) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1743 | must_be_writable( tst, "ioctl(IIOCNETGPN)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1744 | sizeof(isdn_net_ioctl_phone) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1745 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1746 | if (!VG_(is_kerror)(res) && res == 0) |
| 1747 | make_readable ( arg3, sizeof(isdn_net_ioctl_phone) ); |
| 1748 | break; |
| 1749 | |
| 1750 | /* These all use struct ifreq AFAIK */ |
| 1751 | case SIOCGIFINDEX: |
| 1752 | case SIOCGIFFLAGS: /* get flags */ |
| 1753 | case SIOCGIFHWADDR: /* Get hardware address */ |
| 1754 | case SIOCGIFMTU: /* get MTU size */ |
| 1755 | case SIOCGIFADDR: /* get PA address */ |
| 1756 | case SIOCGIFNETMASK: /* get network PA mask */ |
| 1757 | case SIOCGIFMETRIC: /* get metric */ |
| 1758 | case SIOCGIFMAP: /* Get device parameters */ |
| 1759 | case SIOCGIFTXQLEN: /* Get the tx queue length */ |
| 1760 | case SIOCGIFDSTADDR: /* get remote PA address */ |
| 1761 | case SIOCGIFBRDADDR: /* get broadcast PA address */ |
| 1762 | case SIOCGIFNAME: /* get iface name */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1763 | must_be_writable(tst, "ioctl(SIOCGIFINDEX)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1764 | sizeof(struct ifreq)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1765 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1766 | if (!VG_(is_kerror)(res) && res == 0) |
| 1767 | make_readable (arg3, sizeof(struct ifreq)); |
| 1768 | break; |
| 1769 | case SIOCGIFCONF: /* get iface list */ |
| 1770 | /* WAS: |
| 1771 | must_be_writable("ioctl(SIOCGIFCONF)", arg3, |
| 1772 | sizeof(struct ifconf)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1773 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1774 | if (!VG_(is_kerror)(res) && res == 0) |
| 1775 | make_readable (arg3, sizeof(struct ifconf)); |
| 1776 | */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1777 | must_be_readable(tst, "ioctl(SIOCGIFCONF)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1778 | sizeof(struct ifconf)); |
| 1779 | if ( arg3 ) { |
| 1780 | // TODO len must be readable and writable |
| 1781 | // buf pointer only needs to be readable |
| 1782 | struct ifconf *ifc = (struct ifconf *) arg3; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1783 | must_be_writable(tst, "ioctl(SIOCGIFCONF).ifc_buf", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1784 | (Addr)(ifc->ifc_buf), (UInt)(ifc->ifc_len) ); |
| 1785 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1786 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1787 | if (!VG_(is_kerror)(res) && res == 0 && arg3 ) { |
| 1788 | struct ifconf *ifc = (struct ifconf *) arg3; |
| 1789 | make_readable ( (Addr)(ifc->ifc_buf), (UInt)(ifc->ifc_len) ); |
| 1790 | } |
| 1791 | break; |
| 1792 | case SIOCGSTAMP: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1793 | must_be_writable(tst, "ioctl(SIOCGSTAMP)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1794 | sizeof(struct timeval)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1795 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1796 | if (!VG_(is_kerror)(res) && res == 0) |
| 1797 | make_readable (arg3, sizeof(struct timeval)); |
| 1798 | break; |
| 1799 | case SIOCGRARP: /* get RARP table entry */ |
| 1800 | case SIOCGARP: /* get ARP table entry */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1801 | must_be_writable(tst, "ioctl(SIOCGARP)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1802 | sizeof(struct arpreq)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1803 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1804 | if (!VG_(is_kerror)(res) && res == 0) |
| 1805 | make_readable (arg3, sizeof(struct arpreq)); |
| 1806 | break; |
| 1807 | |
| 1808 | case SIOCSIFFLAGS: /* set flags */ |
| 1809 | case SIOCSIFMAP: /* Set device parameters */ |
| 1810 | case SIOCSIFTXQLEN: /* Set the tx queue length */ |
| 1811 | case SIOCSIFDSTADDR: /* set remote PA address */ |
| 1812 | case SIOCSIFBRDADDR: /* set broadcast PA address */ |
| 1813 | case SIOCSIFNETMASK: /* set network PA mask */ |
| 1814 | case SIOCSIFMETRIC: /* set metric */ |
| 1815 | case SIOCSIFADDR: /* set PA address */ |
| 1816 | case SIOCSIFMTU: /* set MTU size */ |
| 1817 | case SIOCSIFHWADDR: /* set hardware address */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1818 | must_be_readable(tst,"ioctl(SIOCSIFFLAGS)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1819 | sizeof(struct ifreq)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1820 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1821 | break; |
| 1822 | /* Routing table calls. */ |
| 1823 | case SIOCADDRT: /* add routing table entry */ |
| 1824 | case SIOCDELRT: /* delete routing table entry */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1825 | must_be_readable(tst,"ioctl(SIOCADDRT/DELRT)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1826 | sizeof(struct rtentry)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1827 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1828 | break; |
| 1829 | |
| 1830 | /* RARP cache control calls. */ |
| 1831 | case SIOCDRARP: /* delete RARP table entry */ |
| 1832 | case SIOCSRARP: /* set RARP table entry */ |
| 1833 | /* ARP cache control calls. */ |
| 1834 | case SIOCSARP: /* set ARP table entry */ |
| 1835 | case SIOCDARP: /* delete ARP table entry */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1836 | must_be_readable(tst, "ioctl(SIOCSIFFLAGS)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1837 | sizeof(struct ifreq)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1838 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1839 | break; |
| 1840 | |
| 1841 | case SIOCSPGRP: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1842 | must_be_readable( tst, "ioctl(SIOCSPGRP)", arg3, sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1843 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1844 | break; |
| 1845 | |
| 1846 | /* linux/soundcard interface (OSS) */ |
| 1847 | case SNDCTL_SEQ_GETOUTCOUNT: |
| 1848 | case SNDCTL_SEQ_GETINCOUNT: |
| 1849 | case SNDCTL_SEQ_PERCMODE: |
| 1850 | case SNDCTL_SEQ_TESTMIDI: |
| 1851 | case SNDCTL_SEQ_RESETSAMPLES: |
| 1852 | case SNDCTL_SEQ_NRSYNTHS: |
| 1853 | case SNDCTL_SEQ_NRMIDIS: |
| 1854 | case SNDCTL_SEQ_GETTIME: |
| 1855 | case SNDCTL_DSP_GETFMTS: |
| 1856 | case SNDCTL_DSP_GETTRIGGER: |
| 1857 | case SNDCTL_DSP_GETODELAY: |
| 1858 | # if defined(SNDCTL_DSP_GETSPDIF) |
| 1859 | case SNDCTL_DSP_GETSPDIF: |
| 1860 | # endif |
| 1861 | case SNDCTL_DSP_GETCAPS: |
| 1862 | case SOUND_PCM_READ_RATE: |
| 1863 | case SOUND_PCM_READ_CHANNELS: |
| 1864 | case SOUND_PCM_READ_BITS: |
| 1865 | case (SOUND_PCM_READ_BITS|0x40000000): /* what the fuck ? */ |
| 1866 | case SOUND_PCM_READ_FILTER: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1867 | must_be_writable(tst,"ioctl(SNDCTL_XXX|SOUND_XXX (SIOR, int))", |
| 1868 | arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1869 | sizeof(int)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1870 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1871 | if (!VG_(is_kerror)(res) && res == 0) |
| 1872 | make_readable (arg3, sizeof(int)); |
| 1873 | break; |
| 1874 | case SNDCTL_SEQ_CTRLRATE: |
| 1875 | case SNDCTL_DSP_SPEED: |
| 1876 | case SNDCTL_DSP_STEREO: |
| 1877 | case SNDCTL_DSP_GETBLKSIZE: |
| 1878 | case SNDCTL_DSP_CHANNELS: |
| 1879 | case SOUND_PCM_WRITE_FILTER: |
| 1880 | case SNDCTL_DSP_SUBDIVIDE: |
| 1881 | case SNDCTL_DSP_SETFRAGMENT: |
sewardj | 8a5089d | 2002-03-24 11:43:56 +0000 | [diff] [blame] | 1882 | # if defined(SNDCTL_DSP_GETCHANNELMASK) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1883 | case SNDCTL_DSP_GETCHANNELMASK: |
sewardj | 8a5089d | 2002-03-24 11:43:56 +0000 | [diff] [blame] | 1884 | # endif |
| 1885 | # if defined(SNDCTL_DSP_BIND_CHANNEL) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1886 | case SNDCTL_DSP_BIND_CHANNEL: |
sewardj | 8a5089d | 2002-03-24 11:43:56 +0000 | [diff] [blame] | 1887 | # endif |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1888 | case SNDCTL_TMR_TIMEBASE: |
| 1889 | case SNDCTL_TMR_TEMPO: |
| 1890 | case SNDCTL_TMR_SOURCE: |
| 1891 | case SNDCTL_MIDI_PRETIME: |
| 1892 | case SNDCTL_MIDI_MPUMODE: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1893 | must_be_readable(tst, "ioctl(SNDCTL_XXX|SOUND_XXX " |
| 1894 | "(SIOWR, int))", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1895 | arg3, sizeof(int)); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1896 | must_be_writable(tst, "ioctl(SNDCTL_XXX|SOUND_XXX " |
| 1897 | "(SIOWR, int))", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1898 | arg3, sizeof(int)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1899 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1900 | break; |
| 1901 | case SNDCTL_DSP_GETOSPACE: |
| 1902 | case SNDCTL_DSP_GETISPACE: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1903 | must_be_writable(tst, |
| 1904 | "ioctl(SNDCTL_XXX|SOUND_XXX " |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1905 | "(SIOR, audio_buf_info))", arg3, |
| 1906 | sizeof(audio_buf_info)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1907 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1908 | if (!VG_(is_kerror)(res) && res == 0) |
| 1909 | make_readable (arg3, sizeof(audio_buf_info)); |
| 1910 | break; |
| 1911 | case SNDCTL_DSP_SETTRIGGER: |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 1912 | must_be_readable(tst, "ioctl(SNDCTL_XXX|SOUND_XXX (SIOW, int))", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1913 | arg3, sizeof(int)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1914 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1915 | break; |
sewardj | 0aa4c25 | 2002-04-27 02:20:14 +0000 | [diff] [blame] | 1916 | |
| 1917 | /* Real Time Clock (/dev/rtc) ioctls */ |
sewardj | fbe18b9 | 2002-05-10 00:46:59 +0000 | [diff] [blame] | 1918 | # ifndef GLIBC_2_1 |
sewardj | 0aa4c25 | 2002-04-27 02:20:14 +0000 | [diff] [blame] | 1919 | case RTC_UIE_ON: |
| 1920 | case RTC_UIE_OFF: |
| 1921 | case RTC_AIE_ON: |
| 1922 | case RTC_AIE_OFF: |
| 1923 | case RTC_PIE_ON: |
| 1924 | case RTC_PIE_OFF: |
| 1925 | case RTC_IRQP_SET: |
| 1926 | KERNEL_DO_SYSCALL(tid,res); |
| 1927 | break; |
| 1928 | case RTC_RD_TIME: |
| 1929 | case RTC_ALM_READ: |
| 1930 | must_be_writable(tst, "ioctl(RTC_RD_TIME/ALM_READ)", arg3, |
| 1931 | sizeof(struct rtc_time)); |
| 1932 | KERNEL_DO_SYSCALL(tid,res); |
| 1933 | if (!VG_(is_kerror) && res == 0) |
| 1934 | make_readable(arg3, sizeof(struct rtc_time)); |
| 1935 | break; |
| 1936 | case RTC_ALM_SET: |
| 1937 | must_be_readable(tst, "ioctl(RTC_ALM_SET)", arg3, |
| 1938 | sizeof(struct rtc_time)); |
| 1939 | KERNEL_DO_SYSCALL(tid,res); |
| 1940 | break; |
| 1941 | case RTC_IRQP_READ: |
| 1942 | must_be_writable(tst, "ioctl(RTC_IRQP_READ)", arg3, |
| 1943 | sizeof(unsigned long)); |
| 1944 | KERNEL_DO_SYSCALL(tid,res); |
| 1945 | if(!VG_(is_kerror) && res == 0) |
| 1946 | make_readable(arg3, sizeof(unsigned long)); |
| 1947 | break; |
sewardj | fbe18b9 | 2002-05-10 00:46:59 +0000 | [diff] [blame] | 1948 | # endif /* GLIBC_2_1 */ |
sewardj | eea0f2e | 2002-04-27 02:28:19 +0000 | [diff] [blame] | 1949 | |
| 1950 | /* CD ROM stuff (??) */ |
| 1951 | case CDROMSUBCHNL: |
| 1952 | must_be_readable(tst, "ioctl(CDROMSUBCHNL (cdsc_format, char))", |
| 1953 | (int) &(((struct cdrom_subchnl *) arg3)->cdsc_format), |
| 1954 | sizeof(((struct cdrom_subchnl *) arg3)->cdsc_format)); |
| 1955 | must_be_writable(tst, "ioctl(CDROMSUBCHNL)", arg3, |
| 1956 | sizeof(struct cdrom_subchnl)); |
| 1957 | KERNEL_DO_SYSCALL(tid,res); |
| 1958 | if (!VG_(is_kerror)(res) && res == 0) |
| 1959 | make_readable (arg3, sizeof(struct cdrom_subchnl)); |
| 1960 | break; |
| 1961 | case CDROMREADTOCHDR: |
| 1962 | must_be_writable(tst, "ioctl(CDROMREADTOCHDR)", arg3, |
| 1963 | sizeof(struct cdrom_tochdr)); |
| 1964 | KERNEL_DO_SYSCALL(tid,res); |
| 1965 | if (!VG_(is_kerror)(res) && res == 0) |
| 1966 | make_readable (arg3, sizeof(struct cdrom_tochdr)); |
| 1967 | break; |
| 1968 | case CDROMREADTOCENTRY: |
| 1969 | must_be_readable(tst, "ioctl(CDROMREADTOCENTRY (cdte_format, char))", |
| 1970 | (int) &(((struct cdrom_tocentry *) arg3)->cdte_format), |
| 1971 | sizeof(((struct cdrom_tocentry *) arg3)->cdte_format)); |
| 1972 | must_be_readable(tst, "ioctl(CDROMREADTOCENTRY (cdte_track, char))", |
| 1973 | (int) &(((struct cdrom_tocentry *) arg3)->cdte_track), |
| 1974 | sizeof(((struct cdrom_tocentry *) arg3)->cdte_track)); |
| 1975 | must_be_writable(tst, "ioctl(CDROMREADTOCENTRY)", arg3, |
| 1976 | sizeof(struct cdrom_tocentry)); |
| 1977 | KERNEL_DO_SYSCALL(tid,res); |
| 1978 | if (!VG_(is_kerror)(res) && res == 0) |
| 1979 | make_readable (arg3, sizeof(struct cdrom_tochdr)); |
| 1980 | break; |
| 1981 | case CDROMPLAYMSF: |
| 1982 | must_be_readable(tst, "ioctl(CDROMPLAYMSF)", arg3, |
| 1983 | sizeof(struct cdrom_msf)); |
| 1984 | KERNEL_DO_SYSCALL(tid,res); |
| 1985 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1986 | /* We don't have any specific information on it, so |
| 1987 | try to do something reasonable based on direction and |
| 1988 | size bits. The encoding scheme is described in |
sewardj | a4da937 | 2002-05-21 00:44:02 +0000 | [diff] [blame] | 1989 | /usr/include/asm/ioctl.h. |
| 1990 | |
| 1991 | According to Simon Hausmann, _IOC_READ means the kernel |
| 1992 | writes a value to the ioctl value passed from the user |
| 1993 | space and the other way around with _IOC_WRITE. */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1994 | default: { |
| 1995 | UInt dir = _IOC_DIR(arg2); |
| 1996 | UInt size = _IOC_SIZE(arg2); |
| 1997 | if (/* size == 0 || */ dir == _IOC_NONE) { |
| 1998 | VG_(message)(Vg_UserMsg, |
| 1999 | "Warning: noted but unhandled ioctl 0x%x" |
| 2000 | " with no size/direction hints", |
| 2001 | arg2); |
| 2002 | VG_(message)(Vg_UserMsg, |
| 2003 | " This could cause spurious value errors" |
| 2004 | " to appear."); |
| 2005 | VG_(message)(Vg_UserMsg, |
| 2006 | " See README_MISSING_SYSCALL_OR_IOCTL for guidance on" |
| 2007 | " writing a proper wrapper." ); |
| 2008 | } else { |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2009 | if ((dir & _IOC_WRITE) && size > 0) |
sewardj | a4da937 | 2002-05-21 00:44:02 +0000 | [diff] [blame] | 2010 | must_be_readable(tst, "ioctl(generic)", arg3, size); |
| 2011 | if ((dir & _IOC_READ) && size > 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2012 | must_be_writable(tst, "ioctl(generic)", arg3, size); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2013 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2014 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | a4da937 | 2002-05-21 00:44:02 +0000 | [diff] [blame] | 2015 | if (size > 0 && (dir & _IOC_READ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2016 | && !VG_(is_kerror)(res) && res == 0) |
| 2017 | make_readable (arg3, size); |
| 2018 | break; |
| 2019 | } |
| 2020 | } |
| 2021 | break; |
| 2022 | |
| 2023 | case __NR_kill: /* syscall 37 */ |
| 2024 | /* int kill(pid_t pid, int sig); */ |
| 2025 | if (VG_(clo_trace_syscalls)) |
| 2026 | VG_(printf)("kill ( %d, %d )\n", arg1,arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2027 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2028 | break; |
| 2029 | |
| 2030 | case __NR_link: /* syscall 9 */ |
| 2031 | /* int link(const char *oldpath, const char *newpath); */ |
| 2032 | if (VG_(clo_trace_syscalls)) |
| 2033 | VG_(printf)("link ( %p, %p)\n", arg1, arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2034 | must_be_readable_asciiz( tst, "link(oldpath)", arg1); |
| 2035 | must_be_readable_asciiz( tst, "link(newpath)", arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2036 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2037 | break; |
| 2038 | |
| 2039 | case __NR_lseek: /* syscall 19 */ |
| 2040 | /* off_t lseek(int fildes, off_t offset, int whence); */ |
| 2041 | if (VG_(clo_trace_syscalls)) |
| 2042 | VG_(printf)("lseek ( %d, %d, %d )\n",arg1,arg2,arg3); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2043 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2044 | break; |
| 2045 | |
| 2046 | case __NR__llseek: /* syscall 140 */ |
| 2047 | /* int _llseek(unsigned int fd, unsigned long offset_high, |
| 2048 | unsigned long offset_low, |
| 2049 | loff_t * result, unsigned int whence); */ |
| 2050 | if (VG_(clo_trace_syscalls)) |
| 2051 | VG_(printf)("llseek ( %d, 0x%x, 0x%x, %p, %d )\n", |
| 2052 | arg1,arg2,arg3,arg4,arg5); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2053 | must_be_writable( tst, "llseek(result)", arg4, sizeof(loff_t)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2054 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2055 | if (!VG_(is_kerror)(res) && res == 0) |
| 2056 | make_readable( arg4, sizeof(loff_t) ); |
| 2057 | break; |
| 2058 | |
| 2059 | case __NR_lstat: /* syscall 107 */ |
| 2060 | /* int lstat(const char *file_name, struct stat *buf); */ |
| 2061 | if (VG_(clo_trace_syscalls)) |
| 2062 | VG_(printf)("lstat ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2063 | must_be_readable_asciiz( tst, "lstat(file_name)", arg1 ); |
| 2064 | must_be_writable( tst, "lstat(buf)", arg2, sizeof(struct stat) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2065 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2066 | if (!VG_(is_kerror)(res) && res == 0) { |
| 2067 | make_readable( arg2, sizeof(struct stat) ); |
| 2068 | } |
| 2069 | break; |
| 2070 | |
| 2071 | # if defined(__NR_lstat64) |
| 2072 | case __NR_lstat64: /* syscall 196 */ |
| 2073 | /* int lstat64(const char *file_name, struct stat64 *buf); */ |
| 2074 | if (VG_(clo_trace_syscalls)) |
| 2075 | VG_(printf)("lstat64 ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2076 | must_be_readable_asciiz( tst, "lstat64(file_name)", arg1 ); |
| 2077 | must_be_writable( tst, "lstat64(buf)", arg2, sizeof(struct stat64) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2078 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2079 | if (!VG_(is_kerror)(res) && res == 0) { |
| 2080 | make_readable( arg2, sizeof(struct stat64) ); |
| 2081 | } |
| 2082 | break; |
| 2083 | # endif |
| 2084 | |
| 2085 | case __NR_mkdir: /* syscall 39 */ |
| 2086 | /* int mkdir(const char *pathname, mode_t mode); */ |
| 2087 | if (VG_(clo_trace_syscalls)) |
| 2088 | VG_(printf)("mkdir ( %p, %d )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2089 | must_be_readable_asciiz( tst, "mkdir(pathname)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2090 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2091 | break; |
| 2092 | |
| 2093 | # if defined(__NR_mmap2) |
| 2094 | case __NR_mmap2: /* syscall 192 */ |
| 2095 | /* My impression is that this is exactly like __NR_mmap |
| 2096 | except that all 6 args are passed in regs, rather than in |
| 2097 | a memory-block. */ |
| 2098 | /* void* mmap(void *start, size_t length, int prot, |
| 2099 | int flags, int fd, off_t offset); |
| 2100 | */ |
| 2101 | { |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2102 | UInt arg6 = tst->m_ebp; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2103 | if (VG_(clo_trace_syscalls)) |
| 2104 | VG_(printf)("mmap2 ( %p, %d, %d, %d, %d, %d )\n", |
| 2105 | arg1, arg2, arg3, arg4, arg5, arg6 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2106 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2107 | /* !!! shouldn't we also be doing the symtab loading stuff as |
| 2108 | in __NR_mmap ? */ |
| 2109 | if (!VG_(is_kerror)(res)) |
| 2110 | approximate_mmap_permissions( (Addr)res, arg2, arg3 ); |
| 2111 | } |
| 2112 | break; |
| 2113 | # endif |
| 2114 | |
| 2115 | case __NR_mmap: /* syscall 90 */ |
| 2116 | /* void* mmap(void *start, size_t length, int prot, |
| 2117 | int flags, int fd, off_t offset); |
| 2118 | */ |
| 2119 | { |
| 2120 | Bool arg_block_readable |
| 2121 | = VG_(clo_instrument) |
| 2122 | ? VGM_(check_readable)(arg1, 6*sizeof(UInt), NULL) |
| 2123 | : True; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2124 | must_be_readable( tst, "mmap(args)", arg1, 6*sizeof(UInt) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2125 | if (arg_block_readable) { |
| 2126 | UInt* arg_block = (UInt*)arg1; |
| 2127 | UInt arg6; |
| 2128 | arg1 = arg_block[0]; |
| 2129 | arg2 = arg_block[1]; |
| 2130 | arg3 = arg_block[2]; |
| 2131 | arg4 = arg_block[3]; |
| 2132 | arg5 = arg_block[4]; |
| 2133 | arg6 = arg_block[5]; |
| 2134 | if (VG_(clo_trace_syscalls)) |
| 2135 | VG_(printf)("mmap ( %p, %d, %d, %d, %d, %d )\n", |
| 2136 | arg1, arg2, arg3, arg4, arg5, arg6 ); |
| 2137 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2138 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2139 | if (arg_block_readable && !VG_(is_kerror)(res)) |
| 2140 | approximate_mmap_permissions( (Addr)res, arg2, arg3 ); |
| 2141 | if (arg_block_readable && !VG_(is_kerror)(res) |
| 2142 | && (arg3 & PROT_EXEC)) { |
| 2143 | /* The client mmap'ed a segment with executable |
| 2144 | permissions. Tell the symbol-table loader, so that it |
| 2145 | has an opportunity to pick up more symbols if this mmap |
| 2146 | was caused by the client loading a new .so via |
| 2147 | dlopen(). This is important for debugging KDE. */ |
| 2148 | VG_(read_symbols)(); |
| 2149 | } |
| 2150 | } |
| 2151 | |
| 2152 | break; |
| 2153 | |
| 2154 | case __NR_mprotect: /* syscall 125 */ |
| 2155 | /* int mprotect(const void *addr, size_t len, int prot); */ |
| 2156 | /* should addr .. addr+len-1 be checked before the call? */ |
| 2157 | if (VG_(clo_trace_syscalls)) |
| 2158 | VG_(printf)("mprotect ( %p, %d, %d )\n", arg1,arg2,arg3); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2159 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2160 | if (!VG_(is_kerror)(res)) |
| 2161 | approximate_mmap_permissions ( arg1, arg2, arg3 ); |
| 2162 | break; |
| 2163 | |
| 2164 | case __NR_munmap: /* syscall 91 */ |
| 2165 | /* int munmap(void *start, size_t length); */ |
| 2166 | /* should start .. start+length-1 be checked before the call? */ |
| 2167 | if (VG_(clo_trace_syscalls)) |
| 2168 | VG_(printf)("munmap ( %p, %d )\n", arg1,arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2169 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2170 | if (!VG_(is_kerror)(res)) { |
| 2171 | /* Mash around start and length so that the area passed to |
| 2172 | make_noaccess() exactly covers an integral number of |
| 2173 | pages. If we don't do that, our idea of addressible |
| 2174 | memory diverges from that of the kernel's, which causes |
| 2175 | the leak detector to crash. */ |
sewardj | 18d7513 | 2002-05-16 11:06:21 +0000 | [diff] [blame] | 2176 | Bool munmap_exe; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2177 | Addr start = arg1; |
| 2178 | Addr length = arg2; |
| 2179 | while ((start % VKI_BYTES_PER_PAGE) > 0) { start--; length++; } |
| 2180 | while (((start+length) % VKI_BYTES_PER_PAGE) > 0) { length++; } |
| 2181 | /* |
| 2182 | VG_(printf)("MUNMAP: correct (%p for %d) to (%p for %d) %s\n", |
| 2183 | arg1, arg2, start, length, (arg1!=start || arg2!=length) |
| 2184 | ? "CHANGE" : ""); |
| 2185 | */ |
| 2186 | make_noaccess( start, length ); |
| 2187 | /* Tell our symbol table machinery about this, so that if |
| 2188 | this happens to be a .so being unloaded, the relevant |
| 2189 | symbols are removed too. */ |
sewardj | 18d7513 | 2002-05-16 11:06:21 +0000 | [diff] [blame] | 2190 | munmap_exe = VG_(symtab_notify_munmap) ( start, length ); |
| 2191 | if (munmap_exe) |
| 2192 | VG_(invalidate_translations) ( start, length ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2193 | } |
| 2194 | break; |
| 2195 | |
| 2196 | case __NR_nanosleep: /* syscall 162 */ |
| 2197 | /* int nanosleep(const struct timespec *req, struct timespec *rem); */ |
| 2198 | if (VG_(clo_trace_syscalls)) |
| 2199 | VG_(printf)("nanosleep ( %p, %p )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2200 | must_be_readable ( tst, "nanosleep(req)", arg1, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2201 | sizeof(struct timespec) ); |
| 2202 | if (arg2 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2203 | must_be_writable ( tst, "nanosleep(rem)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2204 | sizeof(struct timespec) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2205 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2206 | /* Somewhat bogus ... is only written by the kernel if |
| 2207 | res == -1 && errno == EINTR. */ |
| 2208 | if (!VG_(is_kerror)(res) && arg2 != (UInt)NULL) |
| 2209 | make_readable ( arg2, sizeof(struct timespec) ); |
| 2210 | break; |
| 2211 | |
| 2212 | case __NR__newselect: /* syscall 142 */ |
| 2213 | /* int select(int n, |
| 2214 | fd_set *readfds, fd_set *writefds, fd_set *exceptfds, |
| 2215 | struct timeval *timeout); |
| 2216 | */ |
| 2217 | if (VG_(clo_trace_syscalls)) |
| 2218 | VG_(printf)("newselect ( %d, %p, %p, %p, %p )\n", |
| 2219 | arg1,arg2,arg3,arg4,arg5); |
| 2220 | if (arg2 != 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2221 | must_be_readable( tst, "newselect(readfds)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2222 | arg2, arg1/8 /* __FD_SETSIZE/8 */ ); |
| 2223 | if (arg3 != 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2224 | must_be_readable( tst, "newselect(writefds)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2225 | arg3, arg1/8 /* __FD_SETSIZE/8 */ ); |
| 2226 | if (arg4 != 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2227 | must_be_readable( tst, "newselect(exceptfds)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2228 | arg4, arg1/8 /* __FD_SETSIZE/8 */ ); |
| 2229 | if (arg5 != 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2230 | must_be_readable( tst, "newselect(timeout)", arg5, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2231 | sizeof(struct timeval) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2232 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2233 | break; |
| 2234 | |
| 2235 | case __NR_open: /* syscall 5 */ |
| 2236 | /* int open(const char *pathname, int flags); */ |
| 2237 | if (VG_(clo_trace_syscalls)) |
| 2238 | VG_(printf)("open ( %p(%s), %d ) --> ",arg1,arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2239 | must_be_readable_asciiz( tst, "open(pathname)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2240 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2241 | if (VG_(clo_trace_syscalls)) |
| 2242 | VG_(printf)("%d\n",res); |
| 2243 | break; |
| 2244 | |
| 2245 | case __NR_pipe: /* syscall 42 */ |
| 2246 | /* int pipe(int filedes[2]); */ |
| 2247 | if (VG_(clo_trace_syscalls)) |
| 2248 | VG_(printf)("pipe ( %p ) ...\n", arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2249 | must_be_writable( tst, "pipe(filedes)", arg1, 2*sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2250 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2251 | if (!VG_(is_kerror)(res)) |
| 2252 | make_readable ( arg1, 2*sizeof(int) ); |
| 2253 | if (VG_(clo_trace_syscalls) && !VG_(is_kerror)(res)) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2254 | VG_(printf)("SYSCALL[%d] pipe --> (rd %d, wr %d)\n", |
| 2255 | VG_(getpid)(), |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2256 | ((UInt*)arg1)[0], ((UInt*)arg1)[1] ); |
| 2257 | break; |
| 2258 | |
| 2259 | case __NR_poll: /* syscall 168 */ |
| 2260 | /* struct pollfd { |
| 2261 | int fd; -- file descriptor |
| 2262 | short events; -- requested events |
| 2263 | short revents; -- returned events |
| 2264 | }; |
| 2265 | int poll(struct pollfd *ufds, unsigned int nfds, |
| 2266 | int timeout) |
| 2267 | */ |
| 2268 | if (VG_(clo_trace_syscalls)) |
sewardj | a4da937 | 2002-05-21 00:44:02 +0000 | [diff] [blame] | 2269 | VG_(printf)("poll ( %p, %d, %d )\n",arg1,arg2,arg3); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2270 | /* In fact some parts of this struct should be readable too. |
| 2271 | This should be fixed properly. */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2272 | must_be_writable( tst, "poll(ufds)", |
| 2273 | arg1, arg2 * sizeof(struct pollfd) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2274 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2275 | if (!VG_(is_kerror)(res) && res > 0) { |
| 2276 | Int i; |
| 2277 | struct pollfd * arr = (struct pollfd *)arg1; |
| 2278 | for (i = 0; i < arg2; i++) |
| 2279 | make_readable( (Addr)(&arr[i].revents), sizeof(Short) ); |
| 2280 | } |
| 2281 | break; |
| 2282 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2283 | case __NR_readlink: /* syscall 85 */ |
| 2284 | /* int readlink(const char *path, char *buf, size_t bufsiz); */ |
| 2285 | if (VG_(clo_trace_syscalls)) |
| 2286 | VG_(printf)("readlink ( %p, %p, %d )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2287 | must_be_readable_asciiz( tst, "readlink(path)", arg1 ); |
| 2288 | must_be_writable ( tst, "readlink(buf)", arg2,arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2289 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2290 | if (!VG_(is_kerror)(res) && res > 0) { |
| 2291 | make_readable ( arg2, res ); |
| 2292 | } |
| 2293 | break; |
| 2294 | |
| 2295 | case __NR_readv: { /* syscall 145 */ |
| 2296 | /* int readv(int fd, const struct iovec * vector, size_t count); */ |
| 2297 | UInt i; |
| 2298 | struct iovec * vec; |
| 2299 | if (VG_(clo_trace_syscalls)) |
| 2300 | VG_(printf)("readv ( %d, %p, %d )\n",arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2301 | must_be_readable( tst, "readv(vector)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2302 | arg2, arg3 * sizeof(struct iovec) ); |
| 2303 | /* ToDo: don't do any of the following if the vector is invalid */ |
| 2304 | vec = (struct iovec *)arg2; |
| 2305 | for (i = 0; i < arg3; i++) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2306 | must_be_writable( tst, "readv(vector[...])", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2307 | (UInt)vec[i].iov_base,vec[i].iov_len ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2308 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2309 | if (!VG_(is_kerror)(res) && res > 0) { |
| 2310 | /* res holds the number of bytes read. */ |
| 2311 | for (i = 0; i < arg3; i++) { |
| 2312 | Int nReadThisBuf = vec[i].iov_len; |
| 2313 | if (nReadThisBuf > res) nReadThisBuf = res; |
| 2314 | make_readable( (UInt)vec[i].iov_base, nReadThisBuf ); |
| 2315 | res -= nReadThisBuf; |
| 2316 | if (res < 0) VG_(panic)("vg_wrap_syscall: readv: res < 0"); |
| 2317 | } |
| 2318 | } |
| 2319 | break; |
| 2320 | } |
| 2321 | |
| 2322 | case __NR_rename: /* syscall 38 */ |
| 2323 | /* int rename(const char *oldpath, const char *newpath); */ |
| 2324 | if (VG_(clo_trace_syscalls)) |
| 2325 | VG_(printf)("rename ( %p, %p )\n", arg1, arg2 ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2326 | must_be_readable_asciiz( tst, "rename(oldpath)", arg1 ); |
| 2327 | must_be_readable_asciiz( tst, "rename(newpath)", arg2 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2328 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2329 | break; |
| 2330 | |
| 2331 | case __NR_rmdir: /* syscall 40 */ |
| 2332 | /* int rmdir(const char *pathname); */ |
| 2333 | if (VG_(clo_trace_syscalls)) |
| 2334 | VG_(printf)("rmdir ( %p )\n", arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2335 | must_be_readable_asciiz( tst, "rmdir(pathname)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2336 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2337 | break; |
| 2338 | |
sewardj | a4d4e48 | 2002-05-03 21:18:11 +0000 | [diff] [blame] | 2339 | case __NR_sched_setparam: /* syscall 154 */ |
| 2340 | /* int sched_setparam(pid_t pid, const struct sched_param *p); */ |
| 2341 | if (VG_(clo_instrument)) |
| 2342 | VG_(printf)("sched_setparam ( %d, %p )\n", arg1, arg2 ); |
| 2343 | must_be_readable( tst, "sched_setparam(ptr)", |
| 2344 | arg2, sizeof(struct sched_param) ); |
| 2345 | KERNEL_DO_SYSCALL(tid,res); |
| 2346 | if (!VG_(is_kerror)(res)) |
| 2347 | make_readable( arg2, sizeof(struct sched_param) ); |
| 2348 | break; |
| 2349 | |
| 2350 | case __NR_sched_getparam: /* syscall 155 */ |
| 2351 | /* int sched_getparam(pid_t pid, struct sched_param *p); */ |
| 2352 | if (VG_(clo_instrument)) |
| 2353 | VG_(printf)("sched_getparam ( %d, %p )\n", arg1, arg2 ); |
| 2354 | must_be_writable( tst, "sched_getparam(ptr)", |
| 2355 | arg2, sizeof(struct sched_param) ); |
| 2356 | KERNEL_DO_SYSCALL(tid,res); |
| 2357 | if (!VG_(is_kerror)(res)) |
| 2358 | make_readable( arg2, sizeof(struct sched_param) ); |
| 2359 | break; |
| 2360 | |
| 2361 | case __NR_sched_yield: /* syscall 158 */ |
| 2362 | /* int sched_yield(void); */ |
| 2363 | if (VG_(clo_instrument)) |
| 2364 | VG_(printf)("sched_yield ()\n" ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2365 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2366 | break; |
| 2367 | |
| 2368 | case __NR_select: /* syscall 82 */ |
| 2369 | /* struct sel_arg_struct { |
| 2370 | unsigned long n; |
| 2371 | fd_set *inp, *outp, *exp; |
| 2372 | struct timeval *tvp; |
| 2373 | }; |
| 2374 | int old_select(struct sel_arg_struct *arg); |
| 2375 | */ |
| 2376 | { |
| 2377 | Bool arg_block_readable |
| 2378 | = VG_(clo_instrument) |
| 2379 | ? VGM_(check_readable)(arg1, 5*sizeof(UInt), NULL) |
| 2380 | : True; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2381 | must_be_readable ( tst, "select(args)", arg1, 5*sizeof(UInt) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2382 | if (arg_block_readable) { |
| 2383 | UInt* arg_struct = (UInt*)arg1; |
| 2384 | arg1 = arg_struct[0]; |
| 2385 | arg2 = arg_struct[1]; |
| 2386 | arg3 = arg_struct[2]; |
| 2387 | arg4 = arg_struct[3]; |
| 2388 | arg5 = arg_struct[4]; |
| 2389 | |
| 2390 | if (VG_(clo_trace_syscalls)) |
| 2391 | VG_(printf)("select ( %d, %p, %p, %p, %p )\n", |
| 2392 | arg1,arg2,arg3,arg4,arg5); |
| 2393 | if (arg2 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2394 | must_be_readable(tst, "select(readfds)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2395 | arg1/8 /* __FD_SETSIZE/8 */ ); |
| 2396 | if (arg3 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2397 | must_be_readable(tst, "select(writefds)", arg3, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2398 | arg1/8 /* __FD_SETSIZE/8 */ ); |
| 2399 | if (arg4 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2400 | must_be_readable(tst, "select(exceptfds)", arg4, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2401 | arg1/8 /* __FD_SETSIZE/8 */ ); |
| 2402 | if (arg5 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2403 | must_be_readable(tst, "select(timeout)", arg5, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2404 | sizeof(struct timeval) ); |
| 2405 | } |
| 2406 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2407 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2408 | break; |
| 2409 | |
| 2410 | case __NR_setitimer: /* syscall 104 */ |
| 2411 | /* setitimer(int which, const struct itimerval *value, |
| 2412 | struct itimerval *ovalue); */ |
| 2413 | if (VG_(clo_trace_syscalls)) |
| 2414 | VG_(printf)("setitimer ( %d, %p, %p )\n", arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2415 | must_be_readable(tst, "setitimer(value)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2416 | arg2, sizeof(struct itimerval) ); |
| 2417 | if (arg3 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2418 | must_be_writable(tst, "setitimer(ovalue)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2419 | arg3, sizeof(struct itimerval)); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2420 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2421 | if (!VG_(is_kerror)(res) && arg3 != (Addr)NULL) { |
| 2422 | make_readable(arg3, sizeof(struct itimerval)); |
| 2423 | } |
| 2424 | break; |
| 2425 | |
| 2426 | # if defined(__NR_setfsgid32) |
| 2427 | case __NR_setfsgid32: /* syscall 216 */ |
| 2428 | /* int setfsgid(uid_t fsgid); */ |
| 2429 | if (VG_(clo_trace_syscalls)) |
| 2430 | VG_(printf)("setfsgid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2431 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2432 | break; |
| 2433 | # endif |
| 2434 | |
| 2435 | # if defined(__NR_setgid32) |
| 2436 | case __NR_setgid32: /* syscall 214 */ |
| 2437 | # endif |
| 2438 | case __NR_setgid: /* syscall 46 */ |
| 2439 | /* int setgid(gid_t gid); */ |
| 2440 | if (VG_(clo_trace_syscalls)) |
| 2441 | VG_(printf)("setgid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2442 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2443 | break; |
| 2444 | |
| 2445 | case __NR_setsid: /* syscall 66 */ |
| 2446 | /* pid_t setsid(void); */ |
| 2447 | if (VG_(clo_trace_syscalls)) |
| 2448 | VG_(printf)("setsid ()\n"); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2449 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2450 | break; |
| 2451 | |
| 2452 | # if defined(__NR_setgroups32) |
| 2453 | case __NR_setgroups32: /* syscall 206 */ |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 2454 | # endif |
| 2455 | case __NR_setgroups: /* syscall 81 */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2456 | /* int setgroups(size_t size, const gid_t *list); */ |
| 2457 | if (VG_(clo_trace_syscalls)) |
| 2458 | VG_(printf)("setgroups ( %d, %p )\n", arg1, arg2); |
| 2459 | if (arg1 > 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2460 | must_be_readable ( tst, "setgroups(list)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2461 | arg1 * sizeof(gid_t) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2462 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2463 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2464 | |
| 2465 | case __NR_setpgid: /* syscall 57 */ |
| 2466 | /* int setpgid(pid_t pid, pid_t pgid); */ |
| 2467 | if (VG_(clo_trace_syscalls)) |
| 2468 | VG_(printf)("setpgid ( %d, %d )\n", arg1, arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2469 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2470 | break; |
| 2471 | |
| 2472 | # if defined(__NR_setregid32) |
| 2473 | case __NR_setregid32: /* syscall 204 */ |
| 2474 | /* int setregid(gid_t rgid, gid_t egid); */ |
| 2475 | if (VG_(clo_trace_syscalls)) |
| 2476 | VG_(printf)("setregid32(?) ( %d, %d )\n", arg1, arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2477 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2478 | break; |
| 2479 | # endif |
| 2480 | |
| 2481 | # if defined(__NR_setresuid32) |
| 2482 | case __NR_setresuid32: /* syscall 208 */ |
| 2483 | /* int setresuid(uid_t ruid, uid_t euid, uid_t suid); */ |
| 2484 | if (VG_(clo_trace_syscalls)) |
| 2485 | VG_(printf)("setresuid32(?) ( %d, %d, %d )\n", arg1, arg2, arg3); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2486 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2487 | break; |
| 2488 | # endif |
| 2489 | |
| 2490 | # if defined(__NR_setreuid32) |
| 2491 | case __NR_setreuid32: /* syscall 203 */ |
| 2492 | # endif |
| 2493 | case __NR_setreuid: /* syscall 70 */ |
| 2494 | /* int setreuid(uid_t ruid, uid_t euid); */ |
| 2495 | if (VG_(clo_trace_syscalls)) |
| 2496 | VG_(printf)("setreuid ( 0x%x, 0x%x )\n", arg1, arg2); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2497 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2498 | break; |
| 2499 | |
| 2500 | case __NR_setrlimit: /* syscall 75 */ |
| 2501 | /* int setrlimit (int resource, const struct rlimit *rlim); */ |
| 2502 | if (VG_(clo_trace_syscalls)) |
| 2503 | VG_(printf)("setrlimit ( %d, %p )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2504 | must_be_readable( tst, "setrlimit(rlim)", arg2, sizeof(struct rlimit) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2505 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2506 | break; |
| 2507 | |
| 2508 | # if defined(__NR_setuid32) |
| 2509 | case __NR_setuid32: /* syscall 213 */ |
| 2510 | # endif |
| 2511 | case __NR_setuid: /* syscall 23 */ |
| 2512 | /* int setuid(uid_t uid); */ |
| 2513 | if (VG_(clo_trace_syscalls)) |
| 2514 | VG_(printf)("setuid ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2515 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2516 | break; |
| 2517 | |
| 2518 | case __NR_socketcall: /* syscall 102 */ |
| 2519 | /* int socketcall(int call, unsigned long *args); */ |
| 2520 | if (VG_(clo_trace_syscalls)) |
| 2521 | VG_(printf)("socketcall ( %d, %p )\n",arg1,arg2); |
| 2522 | switch (arg1 /* request */) { |
| 2523 | |
| 2524 | case SYS_SOCKETPAIR: |
| 2525 | /* int socketpair(int d, int type, int protocol, int sv[2]); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2526 | must_be_readable( tst, "socketcall.socketpair(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2527 | arg2, 4*sizeof(Addr) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2528 | must_be_writable( tst, "socketcall.socketpair(sv)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2529 | ((UInt*)arg2)[3], 2*sizeof(int) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2530 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2531 | if (!VG_(is_kerror)(res)) |
| 2532 | make_readable ( ((UInt*)arg2)[3], 2*sizeof(int) ); |
| 2533 | break; |
| 2534 | |
| 2535 | case SYS_SOCKET: |
| 2536 | /* int socket(int domain, int type, int protocol); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2537 | must_be_readable( tst, "socketcall.socket(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2538 | arg2, 3*sizeof(Addr) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2539 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2540 | break; |
| 2541 | |
| 2542 | case SYS_BIND: |
| 2543 | /* int bind(int sockfd, struct sockaddr *my_addr, |
| 2544 | int addrlen); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2545 | must_be_readable( tst, "socketcall.bind(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2546 | arg2, 3*sizeof(Addr) ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 2547 | must_be_readable_sockaddr( tst, "socketcall.bind(my_addr.%s)", |
| 2548 | (struct sockaddr *) (((UInt*)arg2)[1]), ((UInt*)arg2)[2]); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2549 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2550 | break; |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 2551 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2552 | case SYS_LISTEN: |
| 2553 | /* int listen(int s, int backlog); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2554 | must_be_readable( tst, "socketcall.listen(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2555 | arg2, 2*sizeof(Addr) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2556 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2557 | break; |
| 2558 | |
| 2559 | case SYS_ACCEPT: { |
| 2560 | /* int accept(int s, struct sockaddr *addr, int *p_addrlen); */ |
| 2561 | Addr addr; |
| 2562 | Addr p_addrlen; |
| 2563 | UInt addrlen_in, addrlen_out; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2564 | must_be_readable( tst, "socketcall.accept(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2565 | arg2, 3*sizeof(Addr) ); |
| 2566 | addr = ((UInt*)arg2)[1]; |
| 2567 | p_addrlen = ((UInt*)arg2)[2]; |
| 2568 | if (p_addrlen != (Addr)NULL) { |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2569 | must_be_readable ( tst, "socketcall.accept(addrlen)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2570 | p_addrlen, sizeof(int) ); |
| 2571 | addrlen_in = safe_dereference( p_addrlen, 0 ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2572 | must_be_writable ( tst, "socketcall.accept(addr)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2573 | addr, addrlen_in ); |
| 2574 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2575 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2576 | if (!VG_(is_kerror)(res) && res >= 0 && p_addrlen != (Addr)NULL) { |
| 2577 | addrlen_out = safe_dereference( p_addrlen, 0 ); |
| 2578 | if (addrlen_out > 0) |
| 2579 | make_readable( addr, addrlen_out ); |
| 2580 | } |
| 2581 | break; |
| 2582 | } |
| 2583 | |
| 2584 | case SYS_SENDTO: |
| 2585 | /* int sendto(int s, const void *msg, int len, |
| 2586 | unsigned int flags, |
| 2587 | const struct sockaddr *to, int tolen); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2588 | must_be_readable( tst, "socketcall.sendto(args)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2589 | 6*sizeof(Addr) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2590 | must_be_readable( tst, "socketcall.sendto(msg)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2591 | ((UInt*)arg2)[1], /* msg */ |
| 2592 | ((UInt*)arg2)[2] /* len */ ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 2593 | must_be_readable_sockaddr( tst, "socketcall.sendto(to.%s)", |
| 2594 | (struct sockaddr *) (((UInt*)arg2)[4]), ((UInt*)arg2)[5]); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2595 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2596 | break; |
| 2597 | |
| 2598 | case SYS_SEND: |
| 2599 | /* int send(int s, const void *msg, size_t len, int flags); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2600 | must_be_readable( tst, "socketcall.send(args)", arg2, |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2601 | 4*sizeof(Addr) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2602 | must_be_readable( tst, "socketcall.send(msg)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2603 | ((UInt*)arg2)[1], /* msg */ |
| 2604 | ((UInt*)arg2)[2] /* len */ ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2605 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2606 | break; |
| 2607 | |
| 2608 | case SYS_RECVFROM: |
| 2609 | /* int recvfrom(int s, void *buf, int len, unsigned int flags, |
| 2610 | struct sockaddr *from, int *fromlen); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2611 | must_be_readable( tst, "socketcall.recvfrom(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2612 | arg2, 6*sizeof(Addr) ); |
| 2613 | if ( ((UInt*)arg2)[4] /* from */ != 0) { |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2614 | must_be_readable( tst, "socketcall.recvfrom(fromlen)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2615 | ((UInt*)arg2)[5] /* fromlen */, |
| 2616 | sizeof(int) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2617 | must_be_writable( tst, "socketcall.recvfrom(from)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2618 | ((UInt*)arg2)[4], /*from*/ |
| 2619 | safe_dereference( (Addr) |
| 2620 | ((UInt*)arg2)[5], 0 ) ); |
| 2621 | } |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2622 | must_be_writable( tst, "socketcall.recvfrom(buf)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2623 | ((UInt*)arg2)[1], /* buf */ |
| 2624 | ((UInt*)arg2)[2] /* len */ ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2625 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2626 | if (!VG_(is_kerror)(res) && res >= 0) { |
| 2627 | make_readable( ((UInt*)arg2)[1], /* buf */ |
| 2628 | ((UInt*)arg2)[2] /* len */ ); |
| 2629 | if ( ((UInt*)arg2)[4] /* from */ != 0) { |
| 2630 | make_readable( |
| 2631 | ((UInt*)arg2)[4], /*from*/ |
| 2632 | safe_dereference( (Addr) ((UInt*)arg2)[5], 0 ) ); |
| 2633 | } |
| 2634 | } |
| 2635 | /* phew! */ |
| 2636 | break; |
| 2637 | |
| 2638 | case SYS_RECV: |
| 2639 | /* int recv(int s, void *buf, int len, unsigned int flags); */ |
| 2640 | /* man 2 recv says: |
| 2641 | The recv call is normally used only on a connected socket |
| 2642 | (see connect(2)) and is identical to recvfrom with a NULL |
| 2643 | from parameter. |
| 2644 | */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2645 | must_be_readable( tst, "socketcall.recv(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2646 | arg2, 4*sizeof(Addr) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2647 | must_be_writable( tst, "socketcall.recv(buf)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2648 | ((UInt*)arg2)[1], /* buf */ |
| 2649 | ((UInt*)arg2)[2] /* len */ ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2650 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2651 | if (!VG_(is_kerror)(res) && res >= 0 |
| 2652 | && ((UInt*)arg2)[1] != (UInt)NULL) { |
| 2653 | make_readable( ((UInt*)arg2)[1], /* buf */ |
| 2654 | ((UInt*)arg2)[2] /* len */ ); |
| 2655 | } |
| 2656 | break; |
| 2657 | |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 2658 | case SYS_CONNECT: |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2659 | /* int connect(int sockfd, |
| 2660 | struct sockaddr *serv_addr, int addrlen ); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2661 | must_be_readable( tst, "socketcall.connect(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2662 | arg2, 3*sizeof(Addr) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2663 | must_be_readable( tst, "socketcall.connect(serv_addr.sa_family)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2664 | ((UInt*)arg2)[1], /* serv_addr */ |
| 2665 | sizeof (sa_family_t)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 2666 | must_be_readable_sockaddr( tst, |
| 2667 | "socketcall.connect(serv_addr.%s)", |
| 2668 | (struct sockaddr *) (((UInt*)arg2)[1]), ((UInt*)arg2)[2]); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2669 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2670 | break; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2671 | |
| 2672 | case SYS_SETSOCKOPT: |
| 2673 | /* int setsockopt(int s, int level, int optname, |
| 2674 | const void *optval, int optlen); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2675 | must_be_readable( tst, "socketcall.setsockopt(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2676 | arg2, 5*sizeof(Addr) ); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2677 | must_be_readable( tst, "socketcall.setsockopt(optval)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2678 | ((UInt*)arg2)[3], /* optval */ |
| 2679 | ((UInt*)arg2)[4] /* optlen */ ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2680 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2681 | break; |
| 2682 | |
| 2683 | case SYS_GETSOCKOPT: |
| 2684 | /* int setsockopt(int s, int level, int optname, |
| 2685 | void *optval, socklen_t *optlen); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2686 | must_be_readable( tst, "socketcall.getsockopt(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2687 | arg2, 5*sizeof(Addr) ); |
| 2688 | { |
| 2689 | Addr optval_p = ((UInt*)arg2)[3]; |
| 2690 | Addr optlen_p = ((UInt*)arg2)[4]; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2691 | /* vg_assert(sizeof(socklen_t) == sizeof(UInt)); */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2692 | UInt optlen_after; |
| 2693 | UInt optlen = safe_dereference ( optlen_p, 0 ); |
| 2694 | if (optlen > 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2695 | must_be_writable( tst, "socketcall.getsockopt(optval)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2696 | optval_p, optlen ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2697 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2698 | optlen_after = safe_dereference ( optlen_p, 0 ); |
| 2699 | if (!VG_(is_kerror)(res) && optlen > 0 && optlen_after > 0) |
| 2700 | make_readable( optval_p, optlen_after ); |
| 2701 | } |
| 2702 | break; |
| 2703 | |
| 2704 | case SYS_GETSOCKNAME: |
| 2705 | /* int getsockname(int s, struct sockaddr* name, |
| 2706 | int* namelen) */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2707 | must_be_readable( tst, "socketcall.getsockname(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2708 | arg2, 3*sizeof(Addr) ); |
| 2709 | { |
| 2710 | UInt namelen = safe_dereference( (Addr) ((UInt*)arg2)[2], 0); |
| 2711 | if (namelen > 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2712 | must_be_writable( tst, "socketcall.getsockname(name)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2713 | ((UInt*)arg2)[1], namelen ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2714 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2715 | if (!VG_(is_kerror)(res)) { |
| 2716 | namelen = safe_dereference( (Addr) ((UInt*)arg2)[2], 0); |
| 2717 | if (namelen > 0 |
| 2718 | && ((UInt*)arg2)[1] != (UInt)NULL) |
| 2719 | make_readable( ((UInt*)arg2)[1], namelen ); |
| 2720 | } |
| 2721 | } |
| 2722 | break; |
| 2723 | |
| 2724 | case SYS_GETPEERNAME: |
| 2725 | /* int getpeername(int s, struct sockaddr* name, |
| 2726 | int* namelen) */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2727 | must_be_readable( tst, "socketcall.getpeername(args)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2728 | arg2, 3*sizeof(Addr) ); |
| 2729 | { |
| 2730 | UInt namelen = safe_dereference( (Addr) ((UInt*)arg2)[2], 0); |
| 2731 | if (namelen > 0) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2732 | must_be_writable( tst, "socketcall.getpeername(name)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2733 | ((UInt*)arg2)[1], namelen ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2734 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2735 | if (!VG_(is_kerror)(res)) { |
| 2736 | namelen = safe_dereference( (Addr) ((UInt*)arg2)[2], 0); |
| 2737 | if (namelen > 0 |
| 2738 | && ((UInt*)arg2)[1] != (UInt)NULL) |
| 2739 | make_readable( ((UInt*)arg2)[1], namelen ); |
| 2740 | } |
| 2741 | } |
| 2742 | break; |
| 2743 | |
| 2744 | case SYS_SHUTDOWN: |
| 2745 | /* int shutdown(int s, int how); */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2746 | must_be_readable( tst, "socketcall.shutdown(args)", |
| 2747 | arg2, 2*sizeof(Addr) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2748 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2749 | break; |
| 2750 | |
| 2751 | case SYS_SENDMSG: |
| 2752 | { |
| 2753 | /* int sendmsg(int s, const struct msghdr *msg, int flags); */ |
| 2754 | |
| 2755 | /* this causes warnings, and I don't get why. glibc bug? |
| 2756 | * (after all it's glibc providing the arguments array) |
| 2757 | must_be_readable( "socketcall.sendmsg(args)", |
| 2758 | arg2, 3*sizeof(Addr) ); |
| 2759 | */ |
| 2760 | |
| 2761 | struct msghdr *msg = (struct msghdr *)((UInt *)arg2)[ 1 ]; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2762 | msghdr_foreachfield ( tst, msg, must_be_readable_sendmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2763 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2764 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2765 | break; |
| 2766 | } |
| 2767 | |
| 2768 | case SYS_RECVMSG: |
| 2769 | { |
| 2770 | /* int recvmsg(int s, struct msghdr *msg, int flags); */ |
| 2771 | |
| 2772 | /* this causes warnings, and I don't get why. glibc bug? |
| 2773 | * (after all it's glibc providing the arguments array) |
| 2774 | must_be_readable( "socketcall.recvmsg(args)", |
| 2775 | arg2, 3*sizeof(Addr) ); |
| 2776 | */ |
| 2777 | |
| 2778 | struct msghdr *msg = (struct msghdr *)((UInt *)arg2)[ 1 ]; |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2779 | msghdr_foreachfield ( tst, msg, must_be_writable_recvmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2780 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2781 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2782 | |
| 2783 | if ( !VG_(is_kerror)( res ) ) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2784 | msghdr_foreachfield( tst, msg, make_readable_recvmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2785 | |
| 2786 | break; |
| 2787 | } |
| 2788 | |
| 2789 | default: |
| 2790 | VG_(message)(Vg_DebugMsg,"FATAL: unhandled socketcall 0x%x",arg1); |
| 2791 | VG_(panic)("... bye!\n"); |
| 2792 | break; /*NOTREACHED*/ |
| 2793 | } |
| 2794 | break; |
| 2795 | |
| 2796 | case __NR_stat: /* syscall 106 */ |
| 2797 | /* int stat(const char *file_name, struct stat *buf); */ |
| 2798 | if (VG_(clo_trace_syscalls)) |
| 2799 | VG_(printf)("stat ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2800 | must_be_readable_asciiz( tst, "stat(file_name)", arg1 ); |
| 2801 | must_be_writable( tst, "stat(buf)", arg2, sizeof(struct stat) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2802 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2803 | if (!VG_(is_kerror)(res)) |
| 2804 | make_readable( arg2, sizeof(struct stat) ); |
| 2805 | break; |
| 2806 | |
| 2807 | case __NR_statfs: /* syscall 99 */ |
| 2808 | /* int statfs(const char *path, struct statfs *buf); */ |
| 2809 | if (VG_(clo_trace_syscalls)) |
| 2810 | VG_(printf)("statfs ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2811 | must_be_readable_asciiz( tst, "statfs(path)", arg1 ); |
| 2812 | must_be_writable( tst, "stat(buf)", arg2, sizeof(struct statfs) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2813 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2814 | if (!VG_(is_kerror)(res)) |
| 2815 | make_readable( arg2, sizeof(struct statfs) ); |
| 2816 | break; |
| 2817 | |
| 2818 | case __NR_symlink: /* syscall 83 */ |
| 2819 | /* int symlink(const char *oldpath, const char *newpath); */ |
| 2820 | if (VG_(clo_trace_syscalls)) |
| 2821 | VG_(printf)("symlink ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2822 | must_be_readable_asciiz( tst, "symlink(oldpath)", arg1 ); |
| 2823 | must_be_readable_asciiz( tst, "symlink(newpath)", arg2 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2824 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2825 | break; |
| 2826 | |
| 2827 | # if defined(__NR_stat64) |
| 2828 | case __NR_stat64: /* syscall 195 */ |
| 2829 | /* int stat64(const char *file_name, struct stat64 *buf); */ |
| 2830 | if (VG_(clo_trace_syscalls)) |
| 2831 | VG_(printf)("stat64 ( %p, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2832 | must_be_readable_asciiz( tst, "stat64(file_name)", arg1 ); |
| 2833 | must_be_writable( tst, "stat64(buf)", arg2, sizeof(struct stat64) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2834 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2835 | if (!VG_(is_kerror)(res)) |
| 2836 | make_readable( arg2, sizeof(struct stat64) ); |
| 2837 | break; |
| 2838 | # endif |
| 2839 | |
| 2840 | # if defined(__NR_fstat64) |
| 2841 | case __NR_fstat64: /* syscall 197 */ |
| 2842 | /* int fstat64(int filedes, struct stat64 *buf); */ |
| 2843 | if (VG_(clo_trace_syscalls)) |
| 2844 | VG_(printf)("fstat64 ( %d, %p )\n",arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2845 | must_be_writable( tst, "fstat64(buf)", arg2, sizeof(struct stat64) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2846 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2847 | if (!VG_(is_kerror)(res)) |
| 2848 | make_readable( arg2, sizeof(struct stat64) ); |
| 2849 | break; |
| 2850 | # endif |
| 2851 | |
| 2852 | case __NR_sysinfo: /* syscall 116 */ |
| 2853 | /* int sysinfo(struct sysinfo *info); */ |
| 2854 | if (VG_(clo_trace_syscalls)) |
| 2855 | VG_(printf)("sysinfo ( %p )\n",arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2856 | must_be_writable( tst, "sysinfo(info)", arg1, sizeof(struct sysinfo) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2857 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2858 | if (!VG_(is_kerror)(res)) |
| 2859 | make_readable( arg1, sizeof(struct sysinfo) ); |
| 2860 | break; |
| 2861 | |
| 2862 | case __NR_time: /* syscall 13 */ |
| 2863 | /* time_t time(time_t *t); */ |
| 2864 | if (VG_(clo_trace_syscalls)) |
| 2865 | VG_(printf)("time ( %p )\n",arg1); |
| 2866 | if (arg1 != (UInt)NULL) { |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2867 | must_be_writable( tst, "time", arg1, sizeof(time_t) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2868 | } |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2869 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2870 | if (!VG_(is_kerror)(res) && arg1 != (UInt)NULL) { |
| 2871 | make_readable( arg1, sizeof(time_t) ); |
| 2872 | } |
| 2873 | break; |
| 2874 | |
| 2875 | case __NR_times: /* syscall 43 */ |
| 2876 | /* clock_t times(struct tms *buf); */ |
| 2877 | if (VG_(clo_trace_syscalls)) |
| 2878 | VG_(printf)("times ( %p )\n",arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2879 | must_be_writable( tst, "times(buf)", arg1, sizeof(struct tms) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2880 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2881 | if (!VG_(is_kerror)(res) && arg1 != (UInt)NULL) { |
| 2882 | make_readable( arg1, sizeof(struct tms) ); |
| 2883 | } |
| 2884 | break; |
| 2885 | |
| 2886 | case __NR_truncate: /* syscall 92 */ |
| 2887 | /* int truncate(const char *path, size_t length); */ |
| 2888 | if (VG_(clo_trace_syscalls)) |
| 2889 | VG_(printf)("truncate ( %p, %d )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2890 | must_be_readable_asciiz( tst, "truncate(path)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2891 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2892 | break; |
| 2893 | |
| 2894 | case __NR_umask: /* syscall 60 */ |
| 2895 | /* mode_t umask(mode_t mask); */ |
| 2896 | if (VG_(clo_trace_syscalls)) |
| 2897 | VG_(printf)("umask ( %d )\n", arg1); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2898 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2899 | break; |
| 2900 | |
| 2901 | case __NR_unlink: /* syscall 10 */ |
| 2902 | /* int unlink(const char *pathname) */ |
| 2903 | if (VG_(clo_trace_syscalls)) |
| 2904 | VG_(printf)("ulink ( %p )\n",arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2905 | must_be_readable_asciiz( tst, "unlink(pathname)", arg1 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2906 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2907 | break; |
| 2908 | |
| 2909 | case __NR_uname: /* syscall 122 */ |
| 2910 | /* int uname(struct utsname *buf); */ |
| 2911 | if (VG_(clo_trace_syscalls)) |
| 2912 | VG_(printf)("uname ( %p )\n",arg1); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2913 | must_be_writable( tst, "uname(buf)", arg1, sizeof(struct utsname) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2914 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2915 | if (!VG_(is_kerror)(res) && arg1 != (UInt)NULL) { |
| 2916 | make_readable( arg1, sizeof(struct utsname) ); |
| 2917 | } |
| 2918 | break; |
| 2919 | |
| 2920 | case __NR_utime: /* syscall 30 */ |
| 2921 | /* int utime(const char *filename, struct utimbuf *buf); */ |
| 2922 | if (VG_(clo_trace_syscalls)) |
| 2923 | VG_(printf)("utime ( %p, %p )\n", arg1,arg2); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2924 | must_be_readable_asciiz( tst, "utime(filename)", arg1 ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2925 | if (arg2 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2926 | must_be_readable( tst, "utime(buf)", arg2, |
| 2927 | sizeof(struct utimbuf) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2928 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2929 | break; |
| 2930 | |
| 2931 | case __NR_wait4: /* syscall 114 */ |
| 2932 | /* pid_t wait4(pid_t pid, int *status, int options, |
| 2933 | struct rusage *rusage) */ |
| 2934 | if (VG_(clo_trace_syscalls)) |
| 2935 | VG_(printf)("wait4 ( %d, %p, %d, %p )\n", |
| 2936 | arg1,arg2,arg3,arg4); |
| 2937 | if (arg2 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2938 | must_be_writable( tst, "wait4(status)", arg2, sizeof(int) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2939 | if (arg4 != (Addr)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2940 | must_be_writable( tst, "wait4(rusage)", arg4, |
| 2941 | sizeof(struct rusage) ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2942 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2943 | if (!VG_(is_kerror)(res)) { |
| 2944 | if (arg2 != (Addr)NULL) |
| 2945 | make_readable( arg2, sizeof(int) ); |
| 2946 | if (arg4 != (Addr)NULL) |
| 2947 | make_readable( arg4, sizeof(struct rusage) ); |
| 2948 | } |
| 2949 | break; |
| 2950 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2951 | case __NR_writev: { /* syscall 146 */ |
| 2952 | /* int writev(int fd, const struct iovec * vector, size_t count); */ |
| 2953 | UInt i; |
| 2954 | struct iovec * vec; |
| 2955 | if (VG_(clo_trace_syscalls)) |
| 2956 | VG_(printf)("writev ( %d, %p, %d )\n",arg1,arg2,arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2957 | must_be_readable( tst, "writev(vector)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2958 | arg2, arg3 * sizeof(struct iovec) ); |
| 2959 | /* ToDo: don't do any of the following if the vector is invalid */ |
| 2960 | vec = (struct iovec *)arg2; |
| 2961 | for (i = 0; i < arg3; i++) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2962 | must_be_readable( tst, "writev(vector[...])", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2963 | (UInt)vec[i].iov_base,vec[i].iov_len ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2964 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2965 | break; |
| 2966 | } |
| 2967 | |
| 2968 | /*-------------------------- SIGNALS --------------------------*/ |
| 2969 | |
| 2970 | /* Normally set to 1, so that Valgrind's signal-simulation machinery |
| 2971 | is engaged. Sometimes useful to disable (set to 0), for |
| 2972 | debugging purposes, to make clients more deterministic. */ |
| 2973 | # define SIGNAL_SIMULATION 1 |
| 2974 | |
| 2975 | case __NR_rt_sigaction: |
| 2976 | case __NR_sigaction: |
| 2977 | /* int sigaction(int signum, struct k_sigaction *act, |
| 2978 | struct k_sigaction *oldact); */ |
| 2979 | if (VG_(clo_trace_syscalls)) |
| 2980 | VG_(printf)("sigaction ( %d, %p, %p )\n",arg1,arg2,arg3); |
| 2981 | if (arg2 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2982 | must_be_readable( tst, "sigaction(act)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2983 | arg2, sizeof(vki_ksigaction)); |
| 2984 | if (arg3 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 2985 | must_be_writable( tst, "sigaction(oldact)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2986 | arg3, sizeof(vki_ksigaction)); |
| 2987 | /* We do this one ourselves! */ |
| 2988 | # if SIGNAL_SIMULATION |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2989 | VG_(do__NR_sigaction)(tid); |
| 2990 | res = tst->m_eax; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2991 | # else |
| 2992 | /* debugging signals; when we don't handle them. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 2993 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2994 | # endif |
| 2995 | if (!VG_(is_kerror)(res) && res == 0 && arg3 != (UInt)NULL) |
| 2996 | make_readable( arg3, sizeof(vki_ksigaction)); |
| 2997 | break; |
| 2998 | |
| 2999 | case __NR_rt_sigprocmask: |
| 3000 | case __NR_sigprocmask: |
| 3001 | /* int sigprocmask(int how, k_sigset_t *set, |
| 3002 | k_sigset_t *oldset); */ |
| 3003 | if (VG_(clo_trace_syscalls)) |
| 3004 | VG_(printf)("sigprocmask ( %d, %p, %p )\n",arg1,arg2,arg3); |
| 3005 | if (arg2 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 3006 | must_be_readable( tst, "sigprocmask(set)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3007 | arg2, sizeof(vki_ksigset_t)); |
| 3008 | if (arg3 != (UInt)NULL) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 3009 | must_be_writable( tst, "sigprocmask(oldset)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3010 | arg3, sizeof(vki_ksigset_t)); |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 3011 | # if SIGNAL_SIMULATION |
| 3012 | VG_(do__NR_sigprocmask) ( tid, |
| 3013 | arg1 /*how*/, |
| 3014 | (vki_ksigset_t*) arg2, |
| 3015 | (vki_ksigset_t*) arg3 ); |
| 3016 | res = tst->m_eax; |
| 3017 | # else |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3018 | KERNEL_DO_SYSCALL(tid,res); |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 3019 | # endif |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3020 | if (!VG_(is_kerror)(res) && res == 0 && arg3 != (UInt)NULL) |
| 3021 | make_readable( arg3, sizeof(vki_ksigset_t)); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3022 | break; |
| 3023 | |
| 3024 | default: |
| 3025 | VG_(message) |
| 3026 | (Vg_DebugMsg,"FATAL: unhandled syscall: %d",syscallno); |
| 3027 | VG_(message) |
| 3028 | (Vg_DebugMsg,"Do not panic. You may be able to fix this easily."); |
| 3029 | VG_(message) |
| 3030 | (Vg_DebugMsg,"Read the file README_MISSING_SYSCALL_OR_IOCTL."); |
| 3031 | VG_(unimplemented)("no wrapper for the above system call"); |
| 3032 | vg_assert(3+3 == 7); |
| 3033 | break; /*NOTREACHED*/ |
| 3034 | } |
| 3035 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3036 | /* { void zzzmemscan(void); zzzmemscan(); } */ |
| 3037 | |
sewardj | 126a41f | 2002-05-07 23:45:03 +0000 | [diff] [blame] | 3038 | if (! VG_(first_and_last_secondaries_look_plausible)()) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3039 | sane_before_call = False; |
| 3040 | |
| 3041 | if (sane_before_call && (!sane_after_call)) { |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3042 | VG_(message)(Vg_DebugMsg, "perform_assumed_nonblocking_syscall: "); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3043 | VG_(message)(Vg_DebugMsg, |
| 3044 | "probable sanity check failure for syscall number %d\n", |
| 3045 | syscallno ); |
| 3046 | VG_(panic)("aborting due to the above ... bye!"); |
| 3047 | } |
| 3048 | |
| 3049 | VGP_POPCC; |
| 3050 | } |
| 3051 | |
| 3052 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3053 | |
| 3054 | /* Perform pre- and post- actions for a blocking syscall, but do not |
| 3055 | do the syscall itself. If res is NULL, the pre-syscall actions are |
| 3056 | to be performed. If res is non-NULL, the post-syscall actions are |
| 3057 | to be performed, and *res is assumed to hold the result of the |
| 3058 | syscall. This slightly strange scheme makes it impossible to |
| 3059 | mistakenly use the value of *res in the pre-syscall actions. |
| 3060 | |
| 3061 | This doesn't actually do the syscall itself, it is important to |
| 3062 | observe. |
| 3063 | |
| 3064 | Because %eax is used both for the syscall number before the call |
| 3065 | and the result value afterwards, we can't reliably use it to get |
| 3066 | the syscall number. So the caller has to pass it explicitly. |
| 3067 | */ |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 3068 | void VG_(check_known_blocking_syscall) ( ThreadId tid, |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3069 | Int syscallno, |
| 3070 | Int* /*IN*/ res ) |
| 3071 | { |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 3072 | ThreadState* tst; |
| 3073 | Bool sane_before_post, sane_after_post; |
| 3074 | UInt arg1, arg2, arg3; |
| 3075 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3076 | VGP_PUSHCC(VgpSyscall); |
| 3077 | |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 3078 | vg_assert(VG_(is_valid_tid)(tid)); |
| 3079 | sane_before_post = True; |
| 3080 | sane_after_post = True; |
| 3081 | tst = & VG_(threads)[tid]; |
| 3082 | arg1 = tst->m_ebx; |
| 3083 | arg2 = tst->m_ecx; |
| 3084 | arg3 = tst->m_edx; |
| 3085 | /* |
| 3086 | arg4 = tst->m_esi; |
| 3087 | arg5 = tst->m_edi; |
| 3088 | */ |
| 3089 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3090 | if (res != NULL |
sewardj | 126a41f | 2002-05-07 23:45:03 +0000 | [diff] [blame] | 3091 | && ! VG_(first_and_last_secondaries_look_plausible)()) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3092 | sane_before_post = False; |
| 3093 | |
| 3094 | switch (syscallno) { |
| 3095 | |
| 3096 | case __NR_read: /* syscall 3 */ |
| 3097 | /* size_t read(int fd, void *buf, size_t count); */ |
| 3098 | if (res == NULL) { |
| 3099 | /* PRE */ |
| 3100 | if (VG_(clo_trace_syscalls)) |
| 3101 | VG_(printf)( |
| 3102 | "SYSCALL--PRE[%d,%d] read ( %d, %p, %d )\n", |
| 3103 | VG_(getpid)(), tid, |
| 3104 | arg1, arg2, arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 3105 | must_be_writable( tst, "read(buf)", arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3106 | } else { |
| 3107 | /* POST */ |
| 3108 | if (VG_(clo_trace_syscalls)) |
| 3109 | VG_(printf)( |
| 3110 | "SYSCALL-POST[%d,%d] read ( %d, %p, %d ) --> %d\n", |
| 3111 | VG_(getpid)(), tid, |
| 3112 | arg1, arg2, arg3, *res); |
| 3113 | if (!VG_(is_kerror)(*res) && *res > 0) { |
| 3114 | make_readable( arg2, *res ); |
| 3115 | } |
| 3116 | } |
| 3117 | break; |
| 3118 | |
| 3119 | case __NR_write: /* syscall 4 */ |
| 3120 | /* size_t write(int fd, const void *buf, size_t count); */ |
| 3121 | if (res == NULL) { |
| 3122 | /* PRE */ |
| 3123 | if (VG_(clo_trace_syscalls)) |
| 3124 | VG_(printf)( |
| 3125 | "SYSCALL--PRE[%d,%d] write ( %d, %p, %d )\n", |
| 3126 | VG_(getpid)(), tid, |
| 3127 | arg1, arg2, arg3); |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 3128 | must_be_readable( tst, "write(buf)", arg2, arg3 ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3129 | } else { |
| 3130 | /* POST */ |
| 3131 | if (VG_(clo_trace_syscalls)) |
| 3132 | VG_(printf)( |
| 3133 | "SYSCALL-POST[%d,%d] write ( %d, %p, %d ) --> %d\n", |
| 3134 | VG_(getpid)(), tid, |
| 3135 | arg1, arg2, arg3, *res); |
| 3136 | } |
| 3137 | break; |
| 3138 | |
| 3139 | default: |
| 3140 | VG_(printf)("check_known_blocking_syscall: unexpected %d\n", |
| 3141 | syscallno); |
| 3142 | VG_(panic)("check_known_blocking_syscall"); |
| 3143 | /*NOTREACHED*/ |
| 3144 | break; |
| 3145 | } |
| 3146 | |
| 3147 | if (res != NULL) { /* only check after syscall */ |
sewardj | 126a41f | 2002-05-07 23:45:03 +0000 | [diff] [blame] | 3148 | if (! VG_(first_and_last_secondaries_look_plausible)()) |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 3149 | sane_after_post = False; |
| 3150 | |
| 3151 | if (sane_before_post && (!sane_after_post)) { |
| 3152 | VG_(message)(Vg_DebugMsg, "perform_known_blocking_syscall: "); |
| 3153 | VG_(message)(Vg_DebugMsg, |
| 3154 | "probable sanity check failure for syscall number %d\n", |
| 3155 | syscallno ); |
| 3156 | VG_(panic)("aborting due to the above ... bye!"); |
| 3157 | } |
| 3158 | } |
| 3159 | |
| 3160 | VGP_POPCC; |
| 3161 | } |
| 3162 | |
| 3163 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 3164 | /*--------------------------------------------------------------------*/ |
| 3165 | /*--- end vg_syscall_mem.c ---*/ |
| 3166 | /*--------------------------------------------------------------------*/ |