diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/start.S')
| -rw-r--r-- | mdk-stage1/dietlibc/i386/start.S | 69 |
1 files changed, 39 insertions, 30 deletions
diff --git a/mdk-stage1/dietlibc/i386/start.S b/mdk-stage1/dietlibc/i386/start.S index 167bb779c..1a825fc2a 100644 --- a/mdk-stage1/dietlibc/i386/start.S +++ b/mdk-stage1/dietlibc/i386/start.S @@ -1,42 +1,51 @@ -#include "start.h" +#include "dietfeatures.h" +#include "PIC.h" -#ifdef __i386__ .text -.globl _start +.global _start _start: -#if 0 - popl %ecx - movl %esp, %esi - leal 4(%esp,%ecx,4),%eax +#if 1 + popl %ecx /* %ecx = argc */ + movl %esp,%esi /* %esi = argv */ + pushl %ecx #else - movl (%esp),%ecx /* %ecx = argc */ - leal 4(%esp),%esi /* %esi = argv */ - - leal 4(%esi,%ecx,4),%eax /* eax = 4*ecx+4 = envp */ + movl (%esp),%ecx /* %ecx = argc */ + leal 4(%esp),%esi /* %esi = argv */ #endif - pushl %eax - pushl %esi - pushl %ecx - movl %eax,environ + leal 4(%esi,%ecx,4),%eax /* %eax = envp = (4*ecx)+%esi+4 */ #ifdef WANT_DYNAMIC -/* in %edx we have the dynamic _fini ( register this if non null ) */ - test %edx, %edx - je .Linit +/* in %edx we have the ld.so dynamic _fini ( register this if non null ) */ push %edx - call atexit - pop %edx -.Linit: - call _init - push $_fini - call atexit - pop %edx #endif - call main - pushl %eax - call exit -.Lfefe: - .size _start,.Lfefe-_start + pushl %eax + pushl %esi + pushl %ecx + PIC_INIT /* non-PIC: this is an empty line */ + PUT_VAR %eax, environ, %ecx /* non-PIC: movl %eax,environ */ + +#ifdef PROFILING + pushl $_etext + pushl $.text + call monitor + addl $0x8, %esp +#endif + +#ifdef WANT_DYNAMIC + call _dyn_start +#else + call main +#endif + +#ifdef PROFILING + pushl %eax + call _stop_monitor + popl %eax #endif + pushl %eax + call exit + hlt /* die now ! will ya ... */ +.Lstart: + .size _start,.Lstart-_start |