| |
| /*--------------------------------------------------------------------*/ |
| /*--- Arch-specific stuff for the core. x86/core_arch.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2005 Nicholas Nethercote |
| njn@valgrind.org |
| |
| 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 COPYING. |
| */ |
| |
| #ifndef __X86_CORE_ARCH_H |
| #define __X86_CORE_ARCH_H |
| |
| #include "core_arch_asm.h" // arch-specific asm stuff |
| #include "tool_arch.h" // arch-specific tool stuff |
| |
| #include "libvex_guest_x86.h" |
| |
| /* --------------------------------------------------------------------- |
| Basic properties |
| ------------------------------------------------------------------ */ |
| |
| #define VGA_ELF_ENDIANNESS ELFDATA2LSB |
| #define VGA_ELF_MACHINE EM_386 |
| #define VGA_ELF_CLASS ELFCLASS32 |
| |
| #define VGA_WORD_SIZE 4 |
| |
| /* --------------------------------------------------------------------- |
| Interesting registers |
| ------------------------------------------------------------------ */ |
| |
| // Vex field names |
| #define VGA_INSTR_PTR guest_EIP |
| #define VGA_STACK_PTR guest_ESP |
| #define VGA_FRAME_PTR guest_EBP |
| |
| #define VGA_CLREQ_ARGS guest_EAX |
| #define VGA_CLREQ_RET guest_EDX |
| |
| // Register numbers, for vg_symtab2.c |
| #define VGA_R_STACK_PTR 4 |
| #define VGA_R_FRAME_PTR 5 |
| |
| // Stack frame layout and linkage |
| #define VGA_FIRST_STACK_FRAME(ebp) (ebp) |
| #define VGA_STACK_FRAME_RET(ebp) (((UInt*)ebp)[1]) |
| #define VGA_STACK_FRAME_NEXT(ebp) (((UInt*)ebp)[0]) |
| |
| // Get stack pointer and frame pointer |
| #define VGA_GET_REAL_STACK_PTR(esp) do { \ |
| asm("movl %%esp, %0" : "=r" (esp)); \ |
| } while (0) |
| |
| #define VGA_GET_REAL_FRAME_PTR(ebp) do { \ |
| asm("movl %%ebp, %0" : "=r" (ebp)); \ |
| } while (0) |
| |
| //extern const Char VG_(helper_wrapper_before)[]; /* in dispatch.S */ |
| //extern const Char VG_(helper_wrapper_return)[]; /* in dispatch.S */ |
| |
| //extern const Char VG_(helper_undefined_instruction)[]; |
| //extern const Char VG_(helper_INT)[]; |
| //extern const Char VG_(helper_breakpoint)[]; |
| |
| |
| /* --------------------------------------------------------------------- |
| Architecture-specific part of a ThreadState |
| ------------------------------------------------------------------ */ |
| |
| typedef |
| struct { |
| /* --- BEGIN vex-mandated guest state --- */ |
| |
| /* Saved machine context. */ |
| VexGuestX86State vex; |
| |
| /* Saved shadow context. */ |
| VexGuestX86State vex_shadow; |
| |
| /* Spill area. */ |
| UChar vex_spill[LibVEX_N_SPILL_BYTES]; |
| |
| /* --- END vex-mandated guest state --- */ |
| } |
| ThreadArchState; |
| |
| typedef VexGuestX86State VexGuestArchState; |
| |
| /* --------------------------------------------------------------------- |
| Miscellaneous constants |
| ------------------------------------------------------------------ */ |
| |
| // Valgrind's signal stack size, in words. |
| #define VGA_SIGSTACK_SIZE_W 10000 |
| |
| // Valgrind's stack size, in words. |
| #define VGA_STACK_SIZE_W 16384 |
| |
| // Base address of client address space. |
| #define VGA_CLIENT_BASE 0x0ul |
| |
| |
| #endif // __X86_CORE_ARCH_H |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |