mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-10 05:37:06 +00:00
2cfb6bc855
more accurate, on the amd64-linux ABI that is allowable. Anyway, parameterise the signal handler so it isn't confused by such accesses. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3252
136 lines
4.4 KiB
C
136 lines
4.4 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Arch-specific stuff for the core. amd64/core_arch.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2004 Nicholas Nethercote
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njn25@cam.ac.uk
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __AMD64_CORE_ARCH_H
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#define __AMD64_CORE_ARCH_H
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#include "core_arch_asm.h" // arch-specific asm stuff
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#include "tool_arch.h" // arch-specific tool stuff
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#include "libvex_guest_amd64.h"
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/* ---------------------------------------------------------------------
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Basic properties
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------------------------------------------------------------------ */
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#define VG_ELF_ENDIANNESS ELFDATA2LSB
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#define VG_ELF_MACHINE EM_X86_64
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#define VG_ELF_CLASS ELFCLASS64
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#define VGA_WORD_SIZE 8
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/* ---------------------------------------------------------------------
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Interesting registers
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------------------------------------------------------------------ */
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// Vex field names
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#define ARCH_INSTR_PTR guest_RIP
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#define ARCH_STACK_PTR guest_RSP
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#define ARCH_FRAME_PTR guest_RBP
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#define ARCH_CLREQ_ARGS guest_RAX
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#define ARCH_CLREQ_RET guest_RDX
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#define ARCH_PTHREQ_RET guest_RDX
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// Register numbers, for vg_symtab2.c
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#define R_STACK_PTR 4
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#define R_FRAME_PTR 5
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// Stack frame layout and linkage
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#define FIRST_STACK_FRAME(rbp) (rbp)
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#define STACK_FRAME_RET(rbp) (((UWord*)rbp)[1])
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#define STACK_FRAME_NEXT(rbp) (((UWord*)rbp)[0])
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// Get stack pointer and frame pointer
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#define ARCH_GET_REAL_STACK_PTR(lval) do { \
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asm("movq %%rsp, %0" : "=r" (lval)); \
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} while (0)
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#define ARCH_GET_REAL_FRAME_PTR(lval) do { \
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asm("movq %%rbp, %0" : "=r" (lval)); \
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} while (0)
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// On AMD64, it's ok to access up to 128 bytes below %rsp.
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// The signal handler needs to know this.
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#define ARCH_STACK_REDZONE_SIZE 128
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/* ---------------------------------------------------------------------
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Architecture-specific part of a ThreadState
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------------------------------------------------------------------ */
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// Architecture-specific part of a ThreadState
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// XXX: eventually this should be made abstract, ie. the fields not visible
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// to the core...
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typedef
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struct {
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/* --- BEGIN vex-mandated guest state --- */
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/* Saved machine context. */
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VexGuestAMD64State vex;
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/* Saved shadow context. */
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VexGuestAMD64State vex_shadow;
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/* Spill area. */
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UChar vex_spill[LibVEX_N_SPILL_BYTES];
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/* --- END vex-mandated guest state --- */
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}
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ThreadArchState;
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typedef VexGuestAMD64State VexGuestArchState;
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/* ---------------------------------------------------------------------
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libpthread stuff
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------------------------------------------------------------------ */
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// ToDo XXX??? not at all sure about this...
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struct _ThreadArchAux {
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void* tls_data;
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int tls_segment;
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unsigned long sysinfo;
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};
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/* ---------------------------------------------------------------------
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Miscellaneous constants
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------------------------------------------------------------------ */
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// Valgrind's signal stack size, in words.
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#define VG_SIGSTACK_SIZE_W 10000
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// Base address of client address space.
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#define CLIENT_BASE 0x00000000ul
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#endif // __AMD64_CORE_ARCH_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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