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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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decc1ddb43
comments/formatting of jmp_with_stack for ARM and x86, too. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3149
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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/*
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This file is part of Valgrind, an extensible x86 protected-mode
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emulator for monitoring program execution on x86-Unixes.
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Copyright (C) 2000-2004 Julian Seward
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jseward@acm.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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#include "ume.h"
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void jmp_with_stack(Addr rip, Addr rsp)
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{
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asm volatile (
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"movq %1, %%rsp;" // set rsp
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"pushq %%rax;" // push rsp
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"xorq %%rax,%%rax;" // clear registers
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"xorq %%rbx,%%rbx;"
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"xorq %%rcx,%%rcx;"
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"xorq %%rdx,%%rdx;"
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"xorq %%rsi,%%rsi;"
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"xorq %%rdi,%%rdi;"
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"xorq %%rbp,%%rbp;"
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"xorq %%r8, %%r8;"
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"xorq %%r9, %%r9;"
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"xorq %%r10,%%r10;"
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"xorq %%r11,%%r11;"
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"xorq %%r12,%%r12;"
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"xorq %%r13,%%r13;"
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"xorq %%r14,%%r14;"
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"xorq %%r15,%%r15;"
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"ret" // return into entry
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: : "a" (rip), "r" (rsp));
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// we should never get here
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for(;;)
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asm volatile("ud2");
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}
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