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Diffstat (limited to 'sysdeps/m68k/dl-machine.h')
-rw-r--r--sysdeps/m68k/dl-machine.h27
1 files changed, 22 insertions, 5 deletions
diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h
index 2208cd2..8cbb977 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
}