diff options
Diffstat (limited to 'ldso/ldso/i386/resolve.S')
| -rw-r--r-- | ldso/ldso/i386/resolve.S | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/ldso/ldso/i386/resolve.S b/ldso/ldso/i386/resolve.S new file mode 100644 index 000000000..db22e7b82 --- /dev/null +++ b/ldso/ldso/i386/resolve.S @@ -0,0 +1,55 @@ +#if 0 +#include <sysdep.h> +#endif +/* + * These are various helper routines that are needed to run an ELF image. + */ +#ifndef ALIGN +#define ALIGN 4 +#endif + +#ifndef NO_UNDERSCORE +#define RUN _linux_run +#define RESOLVE __dl_linux_resolve +#define EXIT __interpreter_exit +#define RESOLVER __dl_linux_resolver +#define INIT ___loader_bootstrap +#else +#define RUN linux_run +#define RESOLVE _dl_linux_resolve +#define RESOLVER _dl_linux_resolver +#define EXIT _interpreter_exit +#define INIT __loader_bootstrap +#endif + +.text +.align ALIGN + .align 16 + +.globl RESOLVE + .type RESOLVE,@function +RESOLVE: + pusha /* preserve all regs */ + lea 0x20(%esp),%eax /* eax = tpnt and reloc_entry params */ + pushl 4(%eax) /* push copy of reloc_entry param */ + pushl (%eax) /* push copy of tpnt param */ + pushl %eax /* _dl_linux_resolver expects a dummy + * param - this could be removed */ +#ifdef __PIC__ + call .L24 +.L24: + popl %ebx + addl $_GLOBAL_OFFSET_TABLE_+[.-.L24],%ebx + movl RESOLVER@GOT(%ebx),%ebx /* eax = resolved func */ + call *%ebx +#else + call RESOLVER +#endif + movl %eax,0x2C(%esp) /* store func addr over original + * tpnt param */ + addl $0xC,%esp /* remove copy parameters */ + popa /* restore regs */ + ret $4 /* jump to func removing original + * reloc_entry param from stack */ +.LFE2: + .size RESOLVE,.LFE2-RESOLVE |