diff options
| -rw-r--r-- | ldso/ldso/dl-startup.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c index 09c760f25..98ad8cb8b 100644 --- a/ldso/ldso/dl-startup.c +++ b/ldso/ldso/dl-startup.c @@ -189,84 +189,6 @@ static void * __attribute_used__ _dl_start(unsigned long args) * we can take advantage of the magic offset register, if we * happen to know what that is for this architecture. If not, * we can always read stuff out of the ELF file to find it... */ -#if 0 /* to be deleted */ -#if defined(__i386__) - __asm__("\tmovl %%ebx,%0\n\t":"=a"(got)); -#elif defined(__m68k__) - __asm__("movel %%a5,%0":"=g"(got)); -#elif defined(__sparc__) - __asm__("\tmov %%l7,%0\n\t":"=r"(got)); -#elif defined(__arm__) - __asm__("\tmov %0, r10\n\t":"=r"(got)); -#elif defined(__powerpc__) - __asm__("\tbl _GLOBAL_OFFSET_TABLE_-4@local\n\t":"=l"(got)); -#elif defined(__mips__) - __asm__("\tmove %0, $28\n\tsubu %0,%0,0x7ff0\n\t":"=r"(got)); -#elif defined(__sh__) && !defined(__SH5__) - __asm__( - " mov.l 1f, %0\n" - " mova 1f, r0\n" - " bra 2f\n" - " add r0, %0\n" - " .balign 4\n" - "1: .long _GLOBAL_OFFSET_TABLE_\n" - "2:" : "=r" (got) : : "r0"); -#elif defined(__cris__) - __asm__("\tmove.d $pc,%0\n\tsub.d .:GOTOFF,%0\n\t":"=r"(got)); -#else - /* Do things the slow way in C */ - { - unsigned long tx_reloc; - Elf32_Dyn *dynamic = NULL; - Elf32_Shdr *shdr; - Elf32_Phdr *pt_load; - -#ifdef __SUPPORT_LD_DEBUG_EARLY__ - SEND_STDERR("Finding the GOT using C code to read the ELF file\n"); -#endif - /* Find where the dynamic linking information section is hiding */ - shdr = (Elf32_Shdr *) (header->e_shoff + (char *) header); - for (indx = header->e_shnum; --indx >= 0; ++shdr) { - if (shdr->sh_type == SHT_DYNAMIC) { - goto found_dynamic; - } - } - SEND_STDERR("missing dynamic linking information section \n"); - _dl_exit(0); - -found_dynamic: - dynamic = (Elf32_Dyn *) (shdr->sh_offset + (char *) header); - - /* Find where PT_LOAD is hiding */ - pt_load = (Elf32_Phdr *) (header->e_phoff + (char *) header); - for (indx = header->e_phnum; --indx >= 0; ++pt_load) { - if (pt_load->p_type == PT_LOAD) { - goto found_pt_load; - } - } - SEND_STDERR("missing loadable program segment\n"); - _dl_exit(0); - -found_pt_load: - /* Now (finally) find where DT_PLTGOT is hiding */ - tx_reloc = pt_load->p_vaddr - pt_load->p_offset; - for (; DT_NULL != dynamic->d_tag; ++dynamic) { - if (dynamic->d_tag == DT_PLTGOT) { - goto found_got; - } - } - SEND_STDERR("missing global offset table\n"); - _dl_exit(0); - -found_got: - got = (unsigned long *) (dynamic->d_un.d_val - tx_reloc + - (char *) header); - } -#endif - - /* Now, finally, fix up the location of the dynamic stuff */ - dpnt = (Elf32_Dyn *) (*got + load_addr); -#endif got = elf_machine_dynamic(); dpnt = (Elf32_Dyn *) (got + load_addr); #ifdef __SUPPORT_LD_DEBUG_EARLY__ |