diff options
Diffstat (limited to 'sysdeps/i386/dl-machine.h')
| -rw-r--r-- | sysdeps/i386/dl-machine.h | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h index 5e1ee2a413..1797ae5b87 100644 --- a/sysdeps/i386/dl-machine.h +++ b/sysdeps/i386/dl-machine.h @@ -68,11 +68,10 @@ elf_machine_load_address (void) ++(const Elf32_Rel *) (dynamic_info)[DT_REL]->d_un.d_ptr; /* Perform the relocation specified by RELOC and SYM (which is fully resolved). - LOADADDR is the load address of the object; INFO is an array indexed - by DT_* of the .dynamic section info. */ + MAP is the object containing the reloc. */ static inline void -elf_machine_rel (Elf32_Addr loadaddr, Elf32_Dyn *info[DT_NUM], +elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc, Elf32_Addr sym_loadaddr, const Elf32_Sym *sym) { @@ -92,7 +91,7 @@ elf_machine_rel (Elf32_Addr loadaddr, Elf32_Dyn *info[DT_NUM], *reloc_addr += sym_value; break; case R_386_RELATIVE: - *reloc_addr += loadaddr; + *reloc_addr += map->l_addr; break; case R_386_PC32: *reloc_addr = sym_value - (Elf32_Addr) reloc_addr; @@ -105,13 +104,7 @@ elf_machine_rel (Elf32_Addr loadaddr, Elf32_Dyn *info[DT_NUM], /* The i386 never uses Elf32_Rela relocations. */ -static inline void -elf_machine_rela (Elf32_Addr loadaddr, Elf32_Dyn *info[DT_NUM], - const Elf32_Rela *reloc, - Elf32_Addr sym_loadaddr, const Elf32_Sym *sym) -{ - _dl_signal_error (0, "Elf32_Rela relocation requested -- unused on i386"); -} +#define ELF_MACHINE_NO_RELA 1 /* Set up the loaded object described by L so its unrelocated PLT @@ -140,9 +133,16 @@ elf_machine_runtime_setup (struct link_map *l) #define RTLD_START asm ("\ .text\n\ .globl _start\n\ -_start: call _dl_start\n\ - # Save the user entry point address in %ebx.\n\ - movl %eax, %ebx\n\ +.globl _dl_start_user\n\ +_start:\n\ + call _dl_start\n\ +_dl_start_user:\n\ + # Save the user entry point address in %edi.\n\ + movl %eax, %edi\n\ + # Point %ebx at the GOT. +1: call 2f\n\ +2: popl %ebx\n\ + addl $_GLOBAL_OFFSET_TABLE_+[.-2b], %ebx\n\ # Call _dl_init_next to return the address of an initializer\n\ # function to run.\n\ 0: call _dl_init_next@PLT\n\ @@ -160,10 +160,7 @@ _start: call _dl_start\n\ # Loop to call _dl_init_next for the next initializer.\n\ jmp 0b\n\ # Pass our finalizer function to the user in %edx, as per ELF ABI.\n\ -1: call 2f\n\ -2: popl %eax\n\ - addl $_GLOBAL_OFFSET_TABLE_+[.-2b], %eax\n\ - leal _dl_fini@GOT(%eax), %edx\n\ - # Jump to the user entry point.\n\ - jmp *%ebx\n\ + leal _dl_fini@GOT(%ebx), %edx\n\ + # Jump to the user's entry point.\n\ + jmp *%edi\n\ "); |