2 /*--------------------------------------------------------------------*/
3 /*--- Darwin amd64 bootstrap. m_start-amd64-darwin.S ---*/
4 /*--------------------------------------------------------------------*/
7 This file is part of Valgrind, a dynamic binary instrumentation
10 Copyright (C) 2007 Apple Inc.
11 Greg Parker gparker@apple.com
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of the
16 License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful, but
19 WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
28 The GNU General Public License is contained in the file COPYING.
31 #if defined(VGP_amd64_darwin)
33 #include "pub_core_basics_asm.h"
37 Ldyld_stub_binding_helper:
39 leaq ___dso_handle(%rip), %r11
41 jmpq *Ldyld_lazy_symbol_binding_entry_point(%rip)
45 Ldyld_lazy_symbol_binding_entry_point:
51 .quad Ldyld_stub_binding_helper
55 // Memory layout established by kernel:
73 movq %rsp, %rdi // save &argc
74 andq $-16, %rsp // align stack
75 pushq $0 // push NULL "return address" for backtraces
76 pushq $0 // push fake saved ebp and align stack
77 movq %rsp, %rbp // save frame pointer
78 call __start_in_C_darwin // __start_in_C_darwin(&argc)
80 // should not reach here
84 #endif // defined(VGP_amd64_darwin)
86 /*--------------------------------------------------------------------*/
88 /*--------------------------------------------------------------------*/