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authorRoland McGrath <roland@gnu.org>1996-02-19 20:54:38 +0000
committerRoland McGrath <roland@gnu.org>1996-02-19 20:54:38 +0000
commitbe10a86854716071a64f559e1f5bc94e145d0fdb (patch)
treee7abce4d5ba8da4ff17dad3510c4bea6cb3e037e /sysdeps/m68k/dl-machine.h
parent1cbca0d93c6c1507c4e69a21e60c77e704b7e1da (diff)
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*** empty log message ***
Mon Feb 19 15:30:26 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> * stdio-common/tstscanf.c (main): Add check for "0" as %d. * sysdeps/stub/msync.c: Undo change of Jan 29; just two args. Only some systems have three args; let them define their own stub. * sysdeps/generic/dl-sysdep.c: Declare _dl_secure. * sysdeps/generic/machine-gmon.h: New file. * gmon/Makefile (distribute): Add machine-gmon.h. * gmon/mcount.c: Undo changes of Feb 13. Include "machine-gmon.h". Sun Feb 18 13:24:06 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> * sysdeps/unix/sysv/linux/direct.h: File removed, since it is identical to unix/common/direct.h. * sysdeps/unix/Makefile [no_deps]: Don't include s-proto.d. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Don't add ipc. * stdio-common/Makefile (tests): Remove scanf6. * sysdeps/unix/sysv/linux/Makefile (non-lib.a): Append libieee.a. * time/mktime.c (mktime): Move static variable localtime_offset to file scope. * stdio-common/vfscanf.c: Put '0' in buffer before scanning for %i base indicator. 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. * elf/dl-runtime.c: Include possible extra args in declaration of fixup.
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
}