| |
| /*--------------------------------------------------------------------*/ |
| /*--- Machine-related things. pub_core_machine.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2005 Julian Seward |
| jseward@acm.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 __PUB_CORE_MACHINE_H |
| #define __PUB_CORE_MACHINE_H |
| |
| //-------------------------------------------------------------------- |
| // PURPOSE: This module contains code related to the particular |
| // architecture, things like accessing guest state, endianness, word size, |
| // etc. |
| //-------------------------------------------------------------------- |
| |
| #include "pub_tool_machine.h" |
| |
| #if defined(VGA_x86) |
| # define VG_ELF_ENDIANNESS ELFDATA2LSB |
| # define VG_ELF_MACHINE EM_386 |
| # define VG_ELF_CLASS ELFCLASS32 |
| #elif defined(VGA_amd64) |
| # define VG_ELF_ENDIANNESS ELFDATA2LSB |
| # define VG_ELF_MACHINE EM_X86_64 |
| # define VG_ELF_CLASS ELFCLASS64 |
| #elif defined(VGA_arm) |
| # define VG_ELF_ENDIANNESS ELFDATA2LSB |
| # define VG_ELF_MACHINE EM_ARM |
| # define VG_ELF_CLASS ELFCLASS32 |
| #elif defined(VGA_ppc32) |
| # define VG_ELF_ENDIANNESS ELFDATA2MSB |
| # define VG_ELF_MACHINE EM_PPC |
| # define VG_ELF_CLASS ELFCLASS32 |
| #else |
| # error Unknown arch |
| #endif |
| |
| #if defined(VGA_x86) |
| # define VG_INSTR_PTR guest_EIP |
| # define VG_STACK_PTR guest_ESP |
| # define VG_FRAME_PTR guest_EBP |
| #elif defined(VGA_amd64) |
| # define VG_INSTR_PTR guest_RIP |
| # define VG_STACK_PTR guest_RSP |
| # define VG_FRAME_PTR guest_RBP |
| #elif defined(VGA_arm) |
| // XXX: Not sure, but I think: |
| // r11 = frame pointer |
| // r12 = "implicit parameter" (neither caller-save, nor callee-save) |
| // r13 = stack pointer |
| // r14 = link register |
| // r15 = program counter |
| # define VG_INSTR_PTR guest_R15 |
| # define VG_STACK_PTR guest_R13 |
| # define VG_FRAME_PTR guest_R11 |
| #elif defined(VGA_ppc32) |
| # define VG_INSTR_PTR guest_CIA |
| # define VG_STACK_PTR guest_GPR1 |
| # define VG_FRAME_PTR guest_GPR1 // No frame ptr for PPC |
| #else |
| # error Unknown arch |
| #endif |
| |
| // Offsets for the Vex state |
| #define VG_O_STACK_PTR (offsetof(VexGuestArchState, VG_STACK_PTR)) |
| |
| // Architecture specifics |
| |
| // PPC: what is the cache line size (for dcbz etc) ? |
| // This info is harvested on Linux at startup from the AT_SYSINFO |
| // entries. |
| #if defined(VGA_ppc32) |
| extern Int VG_(cache_line_size_ppc32); |
| #endif |
| |
| #endif // __PUB_CORE_MACHINE_H |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |