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| author | Mystery Man <unknown@mandriva.org> | 2003-05-06 13:11:49 +0000 |
|---|---|---|
| committer | Mystery Man <unknown@mandriva.org> | 2003-05-06 13:11:49 +0000 |
| commit | 3f5d21d90abbd16f16ab69aec1e1a1853a93fd18 (patch) | |
| tree | 3d9f5a32303a8d97b4b457949e64bb42b4850ea9 /mdk-stage1/dietlibc/x86_64/start.S | |
| parent | 327bd24f8e4291bd1882de1990dd7339f781a9cb (diff) | |
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This commit was manufactured by cvs2svn to create tag 'R9_0-AMD64'.R9_0-AMD64
Diffstat (limited to 'mdk-stage1/dietlibc/x86_64/start.S')
| -rw-r--r-- | mdk-stage1/dietlibc/x86_64/start.S | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/x86_64/start.S b/mdk-stage1/dietlibc/x86_64/start.S new file mode 100644 index 000000000..5e8356350 --- /dev/null +++ b/mdk-stage1/dietlibc/x86_64/start.S @@ -0,0 +1,55 @@ +#include "dietfeatures.h" + +.text +.global _start +_start: +#ifdef WANT_DYNAMIC + movq %rdx, %rcx /* %rcx = dynamic fini */ +#endif + popq %rdi /* %rdi = argc */ + movq %rsp,%rsi /* %rsi = argv */ + pushq %rdi + + leaq 8(%rsi,%rdi,8),%rdx /* %rdx = envp = (8*rdi)+%rsi+8 */ + +#ifdef __DYN_LIB + movq environ@GOTPCREL(%rip), %rax + movq %rdx, (%rax) +#else + movq %rdx, environ(%rip) +#endif + +#ifdef PROFILING + pushq %rdi /* save reg args */ + pushq %rsi + pushq %rdx + pushq %rcx + + leaq _etext(%rip), %rsi /* highpc */ + leaq .text(%rip), %rdi /* lowpc */ + call monitor + + popq %rcx /* restore reg args */ + popq %rdx + popq %rsi + popq %rdi +#endif + +#ifdef WANT_DYNAMIC + call _dyn_start +#else + call main +#endif + +#ifdef PROFILING + pushq %rax + call _stop_monitor + popq %rdi +#else + movq %rax, %rdi /* return value */ +#endif + call exit + hlt +.Lstart: + .size _start,.Lstart-_start + |