diff options
Diffstat (limited to 'mdk-stage1/dietlibc/x86_64/start.S')
| -rw-r--r-- | mdk-stage1/dietlibc/x86_64/start.S | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/mdk-stage1/dietlibc/x86_64/start.S b/mdk-stage1/dietlibc/x86_64/start.S index 328bbcfe3..5e8356350 100644 --- a/mdk-stage1/dietlibc/x86_64/start.S +++ b/mdk-stage1/dietlibc/x86_64/start.S @@ -3,19 +3,36 @@ .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 */ - movq %rdx, environ +#ifdef __DYN_LIB + movq environ@GOTPCREL(%rip), %rax + movq %rdx, (%rax) +#else + movq %rdx, environ(%rip) +#endif #ifdef PROFILING - pushq $_etext - pushq $.text + pushq %rdi /* save reg args */ + pushq %rsi + pushq %rdx + pushq %rcx + + leaq _etext(%rip), %rsi /* highpc */ + leaq .text(%rip), %rdi /* lowpc */ call monitor - addq $0x16, %rsp + + popq %rcx /* restore reg args */ + popq %rdx + popq %rsi + popq %rdi #endif #ifdef WANT_DYNAMIC |