sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- A header file defining structures and constants which are ---*/ |
| 4 | /*--- important at the kernel boundary for this platform. ---*/ |
| 5 | /*--- vg_kerneliface.h ---*/ |
| 6 | /*--------------------------------------------------------------------*/ |
| 7 | |
| 8 | /* |
njn | c953984 | 2002-10-02 13:26:35 +0000 | [diff] [blame] | 9 | This file is part of Valgrind, an extensible x86 protected-mode |
| 10 | emulator for monitoring program execution on x86-Unixes. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 11 | |
| 12 | Copyright (C) 2000-2002 Julian Seward |
| 13 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 14 | |
| 15 | This program is free software; you can redistribute it and/or |
| 16 | modify it under the terms of the GNU General Public License as |
| 17 | published by the Free Software Foundation; either version 2 of the |
| 18 | License, or (at your option) any later version. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, but |
| 21 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 | General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; if not, write to the Free Software |
| 27 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 28 | 02111-1307, USA. |
| 29 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 30 | The GNU General Public License is contained in the file COPYING. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 31 | */ |
| 32 | |
| 33 | #ifndef __VG_KERNELIFACE_H |
| 34 | #define __VG_KERNELIFACE_H |
| 35 | |
| 36 | /* This file is ONLY to be included into vg_include.h. Do not include |
| 37 | it directly into valgrind source .c files. This file defines types |
| 38 | and constants for the kernel interface, and to make that clear |
| 39 | everything is prefixed VKI. */ |
| 40 | |
| 41 | /*--- All the following stuff is correct for Linux kernels 2.2.X and |
| 42 | 2.4.X. |
| 43 | ---*/ |
| 44 | |
| 45 | /* Should really get this from an include file somewhere. */ |
| 46 | #define VKI_BYTES_PER_PAGE_BITS 12 |
| 47 | #define VKI_BYTES_PER_PAGE (1 << VKI_BYTES_PER_PAGE_BITS) |
| 48 | |
| 49 | #define VKI_BYTES_PER_WORD 4 |
| 50 | #define VKI_WORDS_PER_PAGE (VKI_BYTES_PER_PAGE / VKI_BYTES_PER_WORD) |
| 51 | |
| 52 | |
| 53 | /* For system call numbers __NR_... */ |
| 54 | #include <asm/unistd.h> |
| 55 | |
| 56 | /* An implementation of signal sets. These are the same as the sigset |
| 57 | implementations in the relevant Linux kernels. Note carefully that |
| 58 | this has nothing to do with glibc's signal sets. We work entirely |
| 59 | at the kernel boundary, so the libc stuff is invisible and |
| 60 | irrelevant. */ |
| 61 | |
| 62 | /* The following is copied from |
| 63 | /usr/src/linux-2.4.9-13/include/asm-i386/signal.h */ |
| 64 | #define VKI_KNSIG 64 /* true for linux 2.2.X and 2.4.X */ |
| 65 | #define VKI_KNSIG_BPW 32 /* since we're using UInts */ |
| 66 | #define VKI_KNSIG_WORDS (VKI_KNSIG / VKI_KNSIG_BPW) |
| 67 | |
| 68 | typedef |
| 69 | struct { |
| 70 | UInt ws[VKI_KNSIG_WORDS]; |
| 71 | } |
| 72 | vki_ksigset_t; |
| 73 | |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 74 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 75 | typedef |
| 76 | struct { |
| 77 | void* ksa_handler; |
| 78 | unsigned long ksa_flags; |
| 79 | void (*ksa_restorer)(void); |
| 80 | vki_ksigset_t ksa_mask; |
| 81 | } |
| 82 | vki_ksigaction; |
| 83 | |
| 84 | typedef |
| 85 | struct { |
| 86 | void* ss_sp; |
| 87 | Int ss_flags; |
| 88 | UInt ss_size; |
| 89 | } |
| 90 | vki_kstack_t; |
| 91 | |
| 92 | |
sewardj | 2342c97 | 2002-05-22 23:34:20 +0000 | [diff] [blame] | 93 | /* sigaltstack controls */ |
| 94 | #define VKI_SS_ONSTACK 1 |
| 95 | #define VKI_SS_DISABLE 2 |
| 96 | |
| 97 | #define VKI_MINSIGSTKSZ 2048 |
| 98 | #define VKI_SIGSTKSZ 8192 |
| 99 | |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 100 | |
| 101 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 102 | #define VKI_SIG_BLOCK 0 /* for blocking signals */ |
| 103 | #define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ |
| 104 | #define VKI_SIG_SETMASK 2 /* for setting the signal mask */ |
| 105 | |
| 106 | #define VKI_SIG_DFL ((void*)0) /* default signal handling */ |
| 107 | #define VKI_SIG_IGN ((void*)1) /* ignore signal */ |
| 108 | #define VKI_SIG_ERR ((void*)-1) /* error return from signal */ |
| 109 | |
| 110 | #define VKI_SA_ONSTACK 0x08000000 |
| 111 | #define VKI_SA_RESTART 0x10000000 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 112 | #define VKI_SA_NOCLDSTOP 0x00000001 |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 113 | #define VKI_SA_RESETHAND 0x80000000 |
| 114 | #define VKI_SA_ONESHOT VKI_SA_RESETHAND |
| 115 | #define VKI_SA_NODEFER 0x40000000 |
| 116 | #define VKI_SA_NOMASK VKI_SA_NODEFER |
| 117 | #if 0 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 118 | #define VKI_SA_NOCLDWAIT 0x00000002 /* not supported yet */ |
| 119 | #define VKI_SA_SIGINFO 0x00000004 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 120 | #define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ |
| 121 | #define VKI_SA_RESTORER 0x04000000 |
| 122 | #endif |
| 123 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 124 | #define VKI_SIGSEGV 11 |
| 125 | #define VKI_SIGBUS 7 |
| 126 | #define VKI_SIGILL 4 |
| 127 | #define VKI_SIGFPE 8 |
| 128 | #define VKI_SIGKILL 9 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 129 | #define VKI_SIGSTOP 19 |
| 130 | #define VKI_SIGTERM 15 |
sewardj | 033e81f | 2002-04-25 01:29:35 +0000 | [diff] [blame] | 131 | #define VKI_SIGUSR1 10 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 132 | |
sewardj | 64039bb | 2002-06-03 00:58:18 +0000 | [diff] [blame] | 133 | /* The following are copied from include/asm-i386/mman.h .*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 134 | |
| 135 | #define VKI_PROT_READ 0x1 /* Page can be read. */ |
| 136 | #define VKI_PROT_WRITE 0x2 /* Page can be written. */ |
| 137 | #define VKI_PROT_EXEC 0x4 /* Page can be executed. */ |
| 138 | #define VKI_MAP_ANONYMOUS 0x20 /* Don't use a file. */ |
| 139 | #define VKI_MAP_PRIVATE 0x02 /* Changes are private. */ |
sewardj | 64039bb | 2002-06-03 00:58:18 +0000 | [diff] [blame] | 140 | #define VKI_MAP_FIXED 0x10 /* Interpret addr exactly */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 141 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 142 | /* Copied from linux-2.4.19/include/asm-i386/fcntl.h */ |
| 143 | |
sewardj | f912dfc | 2002-11-13 21:51:10 +0000 | [diff] [blame] | 144 | #define VKI_O_ACCMODE 0003 |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 145 | #define VKI_O_RDONLY 00 |
| 146 | #define VKI_O_WRONLY 01 |
| 147 | #define VKI_O_RDWR 02 |
| 148 | #define VKI_O_CREAT 0100 /* not fcntl */ |
| 149 | #define VKI_O_EXCL 0200 /* not fcntl */ |
| 150 | #define VKI_O_TRUNC 01000 /* not fcntl */ |
| 151 | #define VKI_O_APPEND 02000 |
| 152 | #define VKI_O_NONBLOCK 04000 |
| 153 | #define VKI_O_SYNC 010000 |
| 154 | #define VKI_FASYNC 020000 /* fcntl, for BSD compatibility */ |
| 155 | #define VKI_O_DIRECT 040000 /* direct disk access hint */ |
| 156 | #define VKI_O_LARGEFILE 0100000 |
| 157 | #define VKI_O_DIRECTORY 0200000 /* must be a directory */ |
| 158 | #define VKI_O_NOFOLLOW 0400000 /* don't follow links */ |
| 159 | |
| 160 | /* Copied from linux-2.4.19/include/linux/stat.h */ |
| 161 | |
| 162 | #define VKI_S_IRWXU 00700 |
| 163 | #define VKI_S_IRUSR 00400 |
| 164 | #define VKI_S_IWUSR 00200 |
| 165 | #define VKI_S_IXUSR 00100 |
| 166 | |
| 167 | #define VKI_S_IRWXG 00070 |
| 168 | #define VKI_S_IRGRP 00040 |
| 169 | #define VKI_S_IWGRP 00020 |
| 170 | #define VKI_S_IXGRP 00010 |
| 171 | |
| 172 | #define VKI_S_IRWXO 00007 |
| 173 | #define VKI_S_IROTH 00004 |
| 174 | #define VKI_S_IWOTH 00002 |
| 175 | #define VKI_S_IXOTH 00001 |
| 176 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 177 | |
sewardj | 0ca2a6b | 2002-03-29 14:02:34 +0000 | [diff] [blame] | 178 | /* Copied from /usr/src/linux-2.4.9-13/include/asm/errno.h */ |
| 179 | |
sewardj | 2342c97 | 2002-05-22 23:34:20 +0000 | [diff] [blame] | 180 | #define VKI_EPERM 1 /* Operation not permitted */ |
sewardj | 77e466c | 2002-04-14 02:29:29 +0000 | [diff] [blame] | 181 | #define VKI_EINTR 4 /* Interrupted system call */ |
sewardj | 0ca2a6b | 2002-03-29 14:02:34 +0000 | [diff] [blame] | 182 | #define VKI_EINVAL 22 /* Invalid argument */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 183 | #define VKI_ENOMEM 12 /* Out of memory */ |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 184 | #define VKI_EFAULT 14 /* Bad address */ |
| 185 | #define VKI_ESRCH 3 /* No such process */ |
sewardj | 92a5956 | 2002-09-30 00:53:10 +0000 | [diff] [blame] | 186 | #define VKI_ENOSYS 38 /* Function not implemented */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 187 | |
| 188 | #define VKI_EWOULDBLOCK VKI_EAGAIN /* Operation would block */ |
| 189 | #define VKI_EAGAIN 11 /* Try again */ |
sewardj | 0ca2a6b | 2002-03-29 14:02:34 +0000 | [diff] [blame] | 190 | |
| 191 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 192 | /* Gawd ... hack ... */ |
| 193 | |
| 194 | typedef struct vki__user_cap_header_struct { |
| 195 | UInt version; |
| 196 | int pid; |
| 197 | } vki_cap_user_header_t; |
| 198 | |
| 199 | typedef struct vki__user_cap_data_struct { |
| 200 | UInt effective; |
| 201 | UInt permitted; |
| 202 | UInt inheritable; |
| 203 | } vki_cap_user_data_t; |
| 204 | |
| 205 | |
| 206 | /* "Byrial Jensen" <byrial@image.dk> says: |
| 207 | [various] ioctls take a pointer to a "struct |
| 208 | termios" but this is another and shorter "struct |
| 209 | termios" than the one defined in <termios.h> and used |
| 210 | by tcgetattr(3) and tcsetattr(3) and other library |
| 211 | functions. GNU libc translate between its library |
| 212 | termios and the kernel termios. |
| 213 | */ |
| 214 | |
| 215 | #define VKI_SIZEOF_STRUCT_TERMIOS 36 |
| 216 | |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 217 | /* Adam Gundy <arg@cyberscience.com>, 20 Mar 2002, says: */ |
| 218 | #define VKI_SIZEOF_STRUCT_TERMIO 17 |
| 219 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 220 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 221 | /* File descriptor sets, for doing select(). Copied from |
| 222 | /usr/src/linux-2.4.9-31/include/linux/posix_types.h |
| 223 | */ |
| 224 | /* |
| 225 | * This allows for 1024 file descriptors: if NR_OPEN is ever grown |
| 226 | * beyond that you'll have to change this too. But 1024 fd's seem to be |
| 227 | * enough even for such "real" unices like OSF/1, so hopefully this is |
| 228 | * one limit that doesn't have to be changed [again]. |
| 229 | * |
| 230 | * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in |
| 231 | * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical |
| 232 | * place for them. Solved by having dummy defines in <sys/time.h>. |
| 233 | */ |
| 234 | |
| 235 | /* |
| 236 | * Those macros may have been defined in <gnu/types.h>. But we always |
| 237 | * use the ones here. |
| 238 | */ |
| 239 | #undef VKI_NFDBITS |
| 240 | #define VKI_NFDBITS (8 * sizeof(unsigned long)) |
| 241 | |
| 242 | #undef VKI_FD_SETSIZE |
| 243 | #define VKI_FD_SETSIZE 1024 |
| 244 | |
| 245 | #undef VKI_FDSET_LONGS |
| 246 | #define VKI_FDSET_LONGS (VKI_FD_SETSIZE/VKI_NFDBITS) |
| 247 | |
| 248 | #undef VKI_FDELT |
| 249 | #define VKI_FDELT(d) ((d) / VKI_NFDBITS) |
| 250 | |
| 251 | #undef VKI_FDMASK |
| 252 | #define VKI_FDMASK(d) (1UL << ((d) % VKI_NFDBITS)) |
| 253 | |
| 254 | typedef struct { |
| 255 | unsigned long vki_fds_bits [VKI_FDSET_LONGS]; |
| 256 | } vki_fd_set; |
| 257 | |
| 258 | |
| 259 | /* Gawd ... |
| 260 | Copied from /usr/src/linux-2.4.9-31/./include/asm-i386/posix_types.h |
| 261 | */ |
| 262 | #undef VKI_FD_SET |
| 263 | #define VKI_FD_SET(fd,fdsetp) \ |
| 264 | __asm__ __volatile__("btsl %1,%0": \ |
| 265 | "=m" (*(vki_fd_set *) (fdsetp)):"r" ((int) (fd))) |
| 266 | |
| 267 | #undef VKI_FD_CLR |
| 268 | #define VKI_FD_CLR(fd,fdsetp) \ |
| 269 | __asm__ __volatile__("btrl %1,%0": \ |
| 270 | "=m" (*(vki_fd_set *) (fdsetp)):"r" ((int) (fd))) |
| 271 | |
| 272 | #undef VKI_FD_ISSET |
| 273 | #define VKI_FD_ISSET(fd,fdsetp) (__extension__ ({ \ |
| 274 | unsigned char __result; \ |
| 275 | __asm__ __volatile__("btl %1,%2 ; setb %0" \ |
| 276 | :"=q" (__result) :"r" ((int) (fd)), \ |
| 277 | "m" (*(vki_fd_set *) (fdsetp))); \ |
| 278 | __result; })) |
| 279 | |
| 280 | #undef VKI_FD_ZERO |
| 281 | #define VKI_FD_ZERO(fdsetp) \ |
| 282 | do { \ |
| 283 | int __d0, __d1; \ |
| 284 | __asm__ __volatile__("cld ; rep ; stosl" \ |
| 285 | :"=m" (*(vki_fd_set *) (fdsetp)), \ |
| 286 | "=&c" (__d0), "=&D" (__d1) \ |
| 287 | :"a" (0), "1" (VKI_FDSET_LONGS), \ |
| 288 | "2" ((vki_fd_set *) (fdsetp)) : "memory"); \ |
| 289 | } while (0) |
| 290 | |
| 291 | |
| 292 | |
| 293 | /* |
| 294 | ./include/asm-i386/posix_types.h:typedef long __kernel_suseconds_t; |
| 295 | ./include/linux/types.h:typedef __kernel_suseconds_t suseconds_t; |
| 296 | |
| 297 | ./include/asm-i386/posix_types.h:typedef long __kernel_time_t; |
| 298 | ./include/linux/types.h:typedef __kernel_time_t time_t; |
| 299 | */ |
| 300 | |
| 301 | struct vki_timeval { |
| 302 | /* time_t */ long tv_sec; /* seconds */ |
| 303 | /* suseconds_t */ long tv_usec; /* microseconds */ |
| 304 | }; |
| 305 | |
| 306 | |
| 307 | |
| 308 | /* For fcntl on fds .. |
| 309 | from ./include/asm-i386/fcntl.h */ |
| 310 | #define VKI_F_GETFL 3 /* get file->f_flags */ |
| 311 | #define VKI_F_SETFL 4 /* set file->f_flags */ |
| 312 | |
| 313 | #define VKI_O_NONBLOCK 04000 |
| 314 | |
| 315 | /* For nanosleep ... |
| 316 | from ./include/linux/time.h */ |
| 317 | struct vki_timespec { |
| 318 | /* time_t */ long tv_sec; /* seconds */ |
| 319 | long tv_nsec; /* nanoseconds */ |
| 320 | }; |
| 321 | |
| 322 | |
sewardj | b358620 | 2002-05-09 17:38:13 +0000 | [diff] [blame] | 323 | /* STAT stuff |
| 324 | from /usr/src/linux-2.4.9-31/include/asm-i386/stat.h */ |
| 325 | struct vki_stat { |
| 326 | unsigned short st_dev; |
| 327 | unsigned short __pad1; |
| 328 | unsigned long st_ino; |
| 329 | unsigned short st_mode; |
| 330 | unsigned short st_nlink; |
| 331 | unsigned short st_uid; |
| 332 | unsigned short st_gid; |
| 333 | unsigned short st_rdev; |
| 334 | unsigned short __pad2; |
| 335 | unsigned long st_size; |
| 336 | unsigned long st_blksize; |
| 337 | unsigned long st_blocks; |
| 338 | unsigned long st_atime; |
| 339 | unsigned long __unused1; |
| 340 | unsigned long st_mtime; |
| 341 | unsigned long __unused2; |
| 342 | unsigned long st_ctime; |
| 343 | unsigned long __unused3; |
| 344 | unsigned long __unused4; |
| 345 | unsigned long __unused5; |
| 346 | }; |
| 347 | |
| 348 | |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 349 | /* To do with the ELF frame constructed by the kernel on a process' |
| 350 | stack just before it transfers control to the program's interpreter |
| 351 | (to use the ELF parlance). |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 352 | Constants from /usr/src/linux-2.4.9-31/include/linux/elf.h |
| 353 | Logic from /usr/src/linux-2.4.9-31/fs/binfmt_elf.c |
| 354 | and its counterpart in the 2.2.14 kernel sources |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 355 | in Red Hat 6.2. */ |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 356 | #define VKI_AT_CLKTCK 17 /* frequency at which times() increments */ |
| 357 | #define VKI_AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ |
| 358 | #define VKI_AT_BASE 7 /* base address of interpreter */ |
| 359 | #define VKI_AT_PAGESZ 6 /* system page size */ |
| 360 | #define VKI_AT_PHNUM 5 /* number of program headers */ |
| 361 | #define VKI_AT_PHENT 4 /* size of program header entry */ |
| 362 | #define VKI_AT_PHDR 3 /* program headers for program */ |
sewardj | ce61d05 | 2002-07-25 00:49:51 +0000 | [diff] [blame] | 363 | #define VKI_AT_USER_AUX_SEGMENT 23 /* tell glibc what address segment |
| 364 | 0x3B points to. (Needed for |
| 365 | Red Hat Limbo, 7.3.92) */ |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 366 | |
sewardj | a83005f | 2002-06-13 16:07:51 +0000 | [diff] [blame] | 367 | /* Including <linux/module.h> leads to loads of hassle because then we |
| 368 | need <asm/atomic.h> sometimes (RedHat 7.3) and that is a |
| 369 | kernel-only header which deliberately #errors on gcc-3.1. Mucho |
| 370 | hassle considering that we only want to know sizeof(struct module). |
| 371 | Hence ... |
| 372 | |
| 373 | #include <stdio.h> |
| 374 | #include <asm/atomic.h> |
| 375 | #include <linux/module.h> |
| 376 | |
| 377 | int main ( void ) |
| 378 | { |
| 379 | printf ("sizeof(struct module) = %d\n", sizeof(struct module) ); |
| 380 | return 0; |
| 381 | } |
| 382 | */ |
| 383 | |
| 384 | #define VKI_SIZEOF_STRUCT_MODULE 96 |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 385 | |
sewardj | 92a5956 | 2002-09-30 00:53:10 +0000 | [diff] [blame] | 386 | |
| 387 | /* This is the structure passed to the modify_ldt syscall. Just so as |
| 388 | to confuse and annoy everyone, this is _not_ the same as an |
| 389 | VgLdtEntry and has to be translated into such. The logic for doing |
| 390 | so, in vg_ldt.c, is copied from the kernel sources. */ |
| 391 | /* |
| 392 | * ldt.h |
| 393 | * |
| 394 | * Definitions of structures used with the modify_ldt system call. |
| 395 | */ |
| 396 | typedef struct vki_modify_ldt_ldt_s { |
| 397 | unsigned int entry_number; |
| 398 | unsigned long base_addr; |
| 399 | unsigned int limit; |
| 400 | unsigned int seg_32bit:1; |
| 401 | unsigned int contents:2; |
| 402 | unsigned int read_exec_only:1; |
| 403 | unsigned int limit_in_pages:1; |
| 404 | unsigned int seg_not_present:1; |
| 405 | unsigned int useable:1; |
| 406 | } vki_modify_ldt_t; |
| 407 | |
| 408 | #define VKI_MODIFY_LDT_CONTENTS_DATA 0 |
| 409 | #define VKI_MODIFY_LDT_CONTENTS_STACK 1 |
| 410 | #define VKI_MODIFY_LDT_CONTENTS_CODE 2 |
| 411 | |
| 412 | |
| 413 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 414 | #endif /* ndef __VG_KERNELIFACE_H */ |
| 415 | |
| 416 | /*--------------------------------------------------------------------*/ |
| 417 | /*--- end vg_kerneliface.h ---*/ |
| 418 | /*--------------------------------------------------------------------*/ |