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2015-01-05 Steve Ellcey <sellcey@imgtec.com>

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* sysdeps/mips/dl-machine.h (elf_machine_load_address): Replace
	bltzal with addiupc.
	(RTLD_START): Ditto.
This commit is contained in:
Steve Ellcey 2015-01-05 09:39:33 -08:00
parent 7ea793f39c
commit 03403e3061
2 changed files with 22 additions and 3 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2015-01-05 Steve Ellcey <sellcey@imgtec.com>
* sysdeps/mips/dl-machine.h (elf_machine_load_address): Replace
bltzal with addiupc.
(RTLD_START): Ditto.
2015-01-05 Chris Metcalf <cmetcalf@ezchip.com>
* sysdeps/unix/sysv/linux/tile/bits/libc-vdso.h: Fix return type

19
sysdeps/mips/dl-machine.h
View File

@ -30,6 +30,7 @@
#endif
#include <sgidefs.h>
#include <sysdep.h>
#include <sys/asm.h>
#include <dl-tls.h>
@ -143,9 +144,14 @@ elf_machine_load_address (void)
#ifndef __mips16
asm (" .set noreorder\n"
" " STRINGXP (PTR_LA) " %0, 0f\n"
# if __mips_isa_rev < 6
" bltzal $0, 0f\n"
" nop\n"
"0: " STRINGXP (PTR_SUBU) " %0, $31, %0\n"
# else
"0: addiupc $31, 0\n"
" " STRINGXP (PTR_SUBU) " %0, $31, %0\n"
# endif
" .set reorder\n"
: "=r" (addr)
: /* No inputs */
@ -246,6 +252,13 @@ do { \
and not just plain _start. */
#ifndef __mips16
# if __mips_isa_rev < 6
# define LCOFF STRINGXP(.Lcof2)
# define LOAD_31 STRINGXP(bltzal $8) "," STRINGXP(.Lcof2)
# else
# define LCOFF STRINGXP(.Lcof1)
# define LOAD_31 "addiupc $31, 0"
# endif
# define RTLD_START asm (\
".text\n\
" _RTLD_PROLOGUE(ENTRY_POINT) "\
@ -260,9 +273,9 @@ do { \
move $4, $29\n\
" STRINGXP(PTR_SUBIU) " $29, 16\n\
\n\
" STRINGXP(PTR_LA) " $8, .Lcoff\n\
bltzal $8, .Lcoff\n\
.Lcoff: " STRINGXP(PTR_SUBU) " $8, $31, $8\n\
" STRINGXP(PTR_LA) " $8, " LCOFF "\n\
.Lcof1: " LOAD_31 "\n\
.Lcof2: " STRINGXP(PTR_SUBU) " $8, $31, $8\n\
\n\
" STRINGXP(PTR_LA) " $25, _dl_start\n\
" STRINGXP(PTR_ADDU) " $25, $8\n\