qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Thu Feb 15 16:56:17 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> 

* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Corrected.
	(ELF_MACHINE_BEFORE_RTLD_RELOC): Define.
	(_dl_runtime_resolve): Save %a1 as well.
	(ELF_MACHINE_RUNTIME_FIXUP_ARGS): Add second dummy arg.
	(elf_machine_relplt): Define.
This commit is contained in:
Roland McGrath 1996-02-18 18:31:55 +00:00
parent 83cfd73cf6
commit a9eac710a2
1 changed files with 22 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
sysdeps/m68k/dl-machine.h
View File

@ -52,9 +52,22 @@ elf_machine_got (void)
static inline Elf32_Addr static inline Elf32_Addr
elf_machine_load_address (void) 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). /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
MAP is the object containing the reloc. */ 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 .globl _dl_runtime_resolve
.type _dl_runtime_resolve, @function .type _dl_runtime_resolve, @function
_dl_runtime_resolve: _dl_runtime_resolve:
| Save %a0 (struct return address). | Save %a0 (struct return address) and %a1.
move.l %a0, -(%sp) move.l %a0, -(%sp)
move.l %a1, -(%sp)
| Call the real address resolver. | Call the real address resolver.
bsr.l fixup jbsr fixup
| Restore register %a0. | Restore register %a0 and %a1.
move.l (%sp)+, %a1
move.l (%sp)+, %a0 move.l (%sp)+, %a0
| Pop parameters | Pop parameters
addq.l #8, %sp addq.l #8, %sp
@ -170,7 +185,9 @@ _dl_runtime_resolve:
jmp (%d0) jmp (%d0)
.size _dl_runtime_resolve, . - _dl_runtime_resolve .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
} }