| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2004 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. |
| */ |
| |
| #include "ume.h" |
| |
| void jmp_with_stack(Addr rip, Addr rsp) |
| { |
| asm volatile ( |
| "movq %1, %%rsp;" // set rsp |
| "pushq %%rax;" // push rsp |
| "xorq %%rax,%%rax;" // clear registers |
| "xorq %%rbx,%%rbx;" |
| "xorq %%rcx,%%rcx;" |
| "xorq %%rdx,%%rdx;" |
| "xorq %%rsi,%%rsi;" |
| "xorq %%rdi,%%rdi;" |
| "xorq %%rbp,%%rbp;" |
| "xorq %%r8, %%r8;" |
| "xorq %%r9, %%r9;" |
| "xorq %%r10,%%r10;" |
| "xorq %%r11,%%r11;" |
| "xorq %%r12,%%r12;" |
| "xorq %%r13,%%r13;" |
| "xorq %%r14,%%r14;" |
| "xorq %%r15,%%r15;" |
| "ret" // return into entry |
| : : "a" (rip), "r" (rsp)); |
| |
| // we should never get here |
| for(;;) |
| asm volatile("ud2"); |
| } |