diff options
Diffstat (limited to 'sysdeps/m68k')
| -rw-r--r-- | sysdeps/m68k/bsd-_setjmp.S | 2 | ||||
| -rw-r--r-- | sysdeps/m68k/bsd-setjmp.S | 2 | ||||
| -rw-r--r-- | sysdeps/m68k/dl-machine.h | 27 |
3 files changed, 24 insertions, 7 deletions
diff --git a/sysdeps/m68k/bsd-_setjmp.S b/sysdeps/m68k/bsd-_setjmp.S index 69aa7de04c..db777cf67d 100644 --- a/sysdeps/m68k/bsd-_setjmp.S +++ b/sysdeps/m68k/bsd-_setjmp.S @@ -23,7 +23,7 @@ Cambridge, MA 02139, USA. */ #include <sysdep.h> -#ifdef MOTOROLA_SYNTAX +#if defined (MOTOROLA_SYNTAX) || defined (ELF_SYNTAX) #define d0 %d0 #define d1 %d1 #define PUSH(reg) move.l reg, -(%sp) diff --git a/sysdeps/m68k/bsd-setjmp.S b/sysdeps/m68k/bsd-setjmp.S index c853516824..c1794978bc 100644 --- a/sysdeps/m68k/bsd-setjmp.S +++ b/sysdeps/m68k/bsd-setjmp.S @@ -23,7 +23,7 @@ Cambridge, MA 02139, USA. */ #include <sysdep.h> -#ifdef MOTOROLA_SYNTAX +#if defined (MOTOROLA_SYNTAX) || defined (ELF_SYNTAX) #define d0 %d0 #define d1 %d1 #define PUSH(reg) move.l reg, -(%sp) diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h index 2208cd2259..8cbb97787c 100644 --- a/sysdeps/m68k/dl-machine.h +++ b/sysdeps/m68k/dl-machine.h @@ -52,9 +52,22 @@ elf_machine_got (void) static inline Elf32_Addr elf_machine_load_address (void) { - ... + Elf32_Addr addr; + asm ("here: lea here(%%pc), %0\n" + " sub.l %#here, %0" + : "=a" (addr)); + return addr; } +/* The `subl' insn above will contain an R_68K_RELATIVE relocation + entry intended to insert the run-time address of the label `here'. + This will be the first relocation in the text of the dynamic + linker; we skip it to avoid trying to modify read-only text in this + early stage. */ +#define ELF_MACHINE_BEFORE_RTLD_RELOC(dynamic_info) \ + ((dynamic_info)[DT_RELA]->d_un.d_ptr += sizeof (Elf32_Rela), \ + (dynamic_info)[DT_RELASZ]->d_un.d_val -= sizeof (Elf32_Rela)) + /* Perform the relocation specified by RELOC and SYM (which is fully resolved). MAP is the object containing the reloc. */ @@ -158,11 +171,13 @@ elf_machine_runtime_setup (struct link_map *l, int lazy) .globl _dl_runtime_resolve .type _dl_runtime_resolve, @function _dl_runtime_resolve: - | Save %a0 (struct return address). + | Save %a0 (struct return address) and %a1. move.l %a0, -(%sp) + move.l %a1, -(%sp) | Call the real address resolver. - bsr.l fixup - | Restore register %a0. + jbsr fixup + | Restore register %a0 and %a1. + move.l (%sp)+, %a1 move.l (%sp)+, %a0 | Pop parameters addq.l #8, %sp @@ -170,7 +185,9 @@ _dl_runtime_resolve: jmp (%d0) .size _dl_runtime_resolve, . - _dl_runtime_resolve "); -#define ELF_MACHINE_RUNTIME_FIXUP_ARGS long int save_a0 +#define ELF_MACHINE_RUNTIME_FIXUP_ARGS long int save_a0, long int save_a1 +/* The PLT uses Elf32_Rela relocs. */ +#define elf_machine_relplt elf_machine_rela } |