| |
| /*--------------------------------------------------------------------*/ |
| /*--- A header file defining structures and constants which are ---*/ |
| /*--- important at the kernel boundary for this platform. ---*/ |
| /*--- vg_kerneliface.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, an x86 protected-mode emulator |
| designed for debugging and profiling binaries on x86-Unixes. |
| |
| Copyright (C) 2000-2002 Julian Seward |
| jseward@acm.org |
| Julian_Seward@muraroa.demon.co.uk |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307, USA. |
| |
| The GNU General Public License is contained in the file LICENSE. |
| */ |
| |
| #ifndef __VG_KERNELIFACE_H |
| #define __VG_KERNELIFACE_H |
| |
| /* This file is ONLY to be included into vg_include.h. Do not include |
| it directly into valgrind source .c files. This file defines types |
| and constants for the kernel interface, and to make that clear |
| everything is prefixed VKI. */ |
| |
| /*--- All the following stuff is correct for Linux kernels 2.2.X and |
| 2.4.X. |
| ---*/ |
| |
| /* Should really get this from an include file somewhere. */ |
| #define VKI_BYTES_PER_PAGE_BITS 12 |
| #define VKI_BYTES_PER_PAGE (1 << VKI_BYTES_PER_PAGE_BITS) |
| |
| #define VKI_BYTES_PER_WORD 4 |
| #define VKI_WORDS_PER_PAGE (VKI_BYTES_PER_PAGE / VKI_BYTES_PER_WORD) |
| |
| |
| /* For system call numbers __NR_... */ |
| #include <asm/unistd.h> |
| |
| /* An implementation of signal sets. These are the same as the sigset |
| implementations in the relevant Linux kernels. Note carefully that |
| this has nothing to do with glibc's signal sets. We work entirely |
| at the kernel boundary, so the libc stuff is invisible and |
| irrelevant. */ |
| |
| /* The following is copied from |
| /usr/src/linux-2.4.9-13/include/asm-i386/signal.h */ |
| #define VKI_KNSIG 64 /* true for linux 2.2.X and 2.4.X */ |
| #define VKI_KNSIG_BPW 32 /* since we're using UInts */ |
| #define VKI_KNSIG_WORDS (VKI_KNSIG / VKI_KNSIG_BPW) |
| |
| typedef |
| struct { |
| UInt ws[VKI_KNSIG_WORDS]; |
| } |
| vki_ksigset_t; |
| |
| typedef |
| struct { |
| void* ksa_handler; |
| unsigned long ksa_flags; |
| void (*ksa_restorer)(void); |
| vki_ksigset_t ksa_mask; |
| } |
| vki_ksigaction; |
| |
| typedef |
| struct { |
| void* ss_sp; |
| Int ss_flags; |
| UInt ss_size; |
| } |
| vki_kstack_t; |
| |
| |
| #define VKI_SIG_BLOCK 0 /* for blocking signals */ |
| #define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ |
| #define VKI_SIG_SETMASK 2 /* for setting the signal mask */ |
| |
| #define VKI_SIG_DFL ((void*)0) /* default signal handling */ |
| #define VKI_SIG_IGN ((void*)1) /* ignore signal */ |
| #define VKI_SIG_ERR ((void*)-1) /* error return from signal */ |
| |
| #define VKI_SA_ONSTACK 0x08000000 |
| #define VKI_SA_RESTART 0x10000000 |
| #if 0 |
| #define VKI_SA_NOCLDSTOP 0x00000001 |
| #define VKI_SA_NOCLDWAIT 0x00000002 /* not supported yet */ |
| #define VKI_SA_SIGINFO 0x00000004 |
| #define VKI_SA_NODEFER 0x40000000 |
| #define VKI_SA_RESETHAND 0x80000000 |
| #define VKI_SA_NOMASK SA_NODEFER |
| #define VKI_SA_ONESHOT SA_RESETHAND |
| #define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ |
| #define VKI_SA_RESTORER 0x04000000 |
| #endif |
| |
| #define VKI_SIGABRT 6 |
| #define VKI_SIGSEGV 11 |
| #define VKI_SIGBUS 7 |
| #define VKI_SIGILL 4 |
| #define VKI_SIGFPE 8 |
| #define VKI_SIGKILL 9 |
| #define VKI_SIGABRT 6 |
| #define VKI_SIGSTOP 19 |
| #define VKI_SIGTERM 15 |
| |
| /* The following are copied from /usr/include/bits/mman.h, which in |
| turn claims to have got them from the kernel headers. */ |
| |
| #define VKI_PROT_READ 0x1 /* Page can be read. */ |
| #define VKI_PROT_WRITE 0x2 /* Page can be written. */ |
| #define VKI_PROT_EXEC 0x4 /* Page can be executed. */ |
| #define VKI_MAP_ANONYMOUS 0x20 /* Don't use a file. */ |
| #define VKI_MAP_PRIVATE 0x02 /* Changes are private. */ |
| |
| |
| /* Gawd ... hack ... */ |
| |
| typedef struct vki__user_cap_header_struct { |
| UInt version; |
| int pid; |
| } vki_cap_user_header_t; |
| |
| typedef struct vki__user_cap_data_struct { |
| UInt effective; |
| UInt permitted; |
| UInt inheritable; |
| } vki_cap_user_data_t; |
| |
| |
| /* "Byrial Jensen" <byrial@image.dk> says: |
| [various] ioctls take a pointer to a "struct |
| termios" but this is another and shorter "struct |
| termios" than the one defined in <termios.h> and used |
| by tcgetattr(3) and tcsetattr(3) and other library |
| functions. GNU libc translate between its library |
| termios and the kernel termios. |
| */ |
| |
| #define VKI_SIZEOF_STRUCT_TERMIOS 36 |
| |
| /* Adam Gundy <arg@cyberscience.com>, 20 Mar 2002, says: */ |
| #define VKI_SIZEOF_STRUCT_TERMIO 17 |
| |
| |
| #endif /* ndef __VG_KERNELIFACE_H */ |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end vg_kerneliface.h ---*/ |
| /*--------------------------------------------------------------------*/ |