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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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118 lines
4.6 KiB
C
118 lines
4.6 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Platform-specific stuff for the core. ---*/
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/*--- amd64-linux/core_platform.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) 2000-2005 Nicholas Nethercote
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njn@valgrind.org
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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_LINUX_CORE_PLATFORM_H
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#define __AMD64_LINUX_CORE_PLATFORM_H
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//#include "core_platform_asm.h" // platform-specific asm stuff
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//#include "platform_arch.h" // platform-specific tool stuff
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/* ---------------------------------------------------------------------
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Dealing with registers
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------------------------------------------------------------------ */
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// Accessors for the ThreadArchState
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#define VGP_SYSCALL_NUM guest_RAX
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#define VGP_SYSCALL_ARG1 guest_RDI
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#define VGP_SYSCALL_ARG2 guest_RSI
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#define VGP_SYSCALL_ARG3 guest_RDX
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#define VGP_SYSCALL_ARG4 guest_R10
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#define VGP_SYSCALL_ARG5 guest_R8
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#define VGP_SYSCALL_ARG6 guest_R9
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#define VGP_SYSCALL_RET guest_RAX
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// Setting a syscall result
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#define VGP_SET_SYSCALL_RESULT(regs, val) ((regs).vex.guest_RAX = (val))
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// For informing tools that a syscall result has been set.
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#define VGP_TRACK_SYSCALL_RETVAL(zztid) \
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VG_TRACK( post_reg_write, Vg_CoreSysCall, zztid, O_SYSCALL_RET, sizeof(UWord) );
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/* ---------------------------------------------------------------------
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Exports of vg_ldt.c
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------------------------------------------------------------------ */
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// XXX: eventually all these should be x86-private, and not visible to the
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// core (except maybe do_useseg()?)
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#if 0
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/* Simulate the modify_ldt syscall. */
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extern Int VG_(sys_modify_ldt) ( ThreadId tid,
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Int func, void* ptr, UInt bytecount );
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/* Simulate the {get,set}_thread_area syscalls. */
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extern Int VG_(sys_set_thread_area) ( ThreadId tid,
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vki_modify_ldt_t* info );
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extern Int VG_(sys_get_thread_area) ( ThreadId tid,
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vki_modify_ldt_t* info );
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/* Called from generated code. Given a segment selector and a virtual
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address, return a linear address, and do limit checks too. */
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extern Addr VG_(do_useseg) ( UInt seg_selector, Addr virtual_addr );
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#endif
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/* ---------------------------------------------------------------------
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ucontext stuff
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------------------------------------------------------------------ */
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#define VGP_UCONTEXT_INSTR_PTR(uc) ((uc)->uc_mcontext.rip)
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#define VGP_UCONTEXT_STACK_PTR(uc) ((uc)->uc_mcontext.rsp)
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#define VGP_UCONTEXT_FRAME_PTR(uc) ((uc)->uc_mcontext.rbp)
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#define VGP_UCONTEXT_SYSCALL_NUM(uc) ((uc)->uc_mcontext.rax)
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#define VGP_UCONTEXT_SYSCALL_RET(uc) ((uc)->uc_mcontext.rax)
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/* ---------------------------------------------------------------------
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mmap() stuff
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------------------------------------------------------------------ */
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#define VGP_DO_MMAP(ret, start, length, prot, flags, fd, offset) { \
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ret = VG_(do_syscall6)(__NR_mmap, (UWord)(start), (length), \
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(prot), (flags), (fd), (offset)); \
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} while (0)
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#define VGP_GET_MMAP_ARGS(tst, a1, a2, a3, a4, a5, a6) do {\
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I_die_here; \
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} while (0)
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/* Use libc setjmp/longjmp. longjmp must not restore signal mask
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state, but does need to pass though "val". */
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#include <setjmp.h> /* for jmp_buf */
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#define VGP_SETJMP(env) setjmp(env)
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#define VGP_LONGJMP(env, val) longjmp(env, val)
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#endif // __AMD64_LINUX_CORE_PLATFORM_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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