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2006-01-07 Carlos O'Donell <carlos@systemhalted.org>

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* sysdeps/hppa/elf/start.S (_start): Use PLABEL32 relocations
	by using LR and RR. Add %sr0 to iitlbp.
This commit is contained in:
Roland McGrath 2006-01-10 07:54:47 +00:00
parent 3e1470fba7
commit 96007fb015
1 changed files with 47 additions and 23 deletions
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70
sysdeps/hppa/elf/start.S
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@ -34,16 +34,27 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
.text
.align 4
.import main, code
.import $global$, data
.import __libc_start_main, code
.import __libc_csu_fini, code
.import __libc_csu_init, code
/* Have the linker create plabel words
so we get PLABEL32 relocs and not 21/14 */
.section .rodata
.align 4
.Lpmain:
.word P%main
.Lp__libc_start_main:
.word P%__libc_start_main
.Lp__libc_csu_fini:
.word P%__libc_csu_fini
.Lp__libc_csu_init:
.word P%__libc_csu_init
.text
.align 4
.globl _start
.export _start, ENTRY
.type _start,@function
@ -52,28 +63,41 @@ _start:
.proc
.callinfo
/* load main */
ldil LP%main, %r26
ldo RP%main(%r26), %r26
/* argc and argv should be in 25 and 24 */
/* Expand the stack to store the 5th through 7th args */
ldo 64(%sp), %sp
/* TODO: Follow ABI? Place more things on the stack here... */
/* void (*rtld_fini) (void) (actually the 6th arg) */
stw %r23, -56(%sp)
/* void (*init) (void) */
ldil LP%__libc_csu_init, %r23
ldo RP%__libc_csu_init(%r23), %r23
/* void (*fini) (void) */
ldil LP%__libc_csu_fini, %r22
ldo RP%__libc_csu_fini(%r22), %r22
#if SHARED
/* load main (1st argument) */
addil LR'.Lpmain, %r19
ldw RR'.Lpmain(%r1), %r26
ldw 0(%r26),%r26
/* argc and argv should be in 25 and 24 (2nd and 3rd argument) */
/* void (*init) (void) (4th argument) */
addil LR'.Lp__libc_csu_init, %r19
ldw RR'.Lp__libc_csu_init(%r1), %r23
ldw 0(%r23), %r23
/* void (*fini) (void) (5th argument) */
addil LR'.Lp__libc_csu_fini, %r19
ldw RR'.Lp__libc_csu_fini(%r1), %r22
ldw 0(%r22), %r22
#else
/* load main (1st argument) */
ldil LR'.Lpmain, %r26
ldw RR'.Lpmain(%r26), %r26
/* argc and argv should be in 25 and 24 (2nd and 3rd argument) */
/* void (*init) (void) (4th argument) */
ldil LR'.Lp__libc_csu_init, %r23
ldw RR'.Lp__libc_csu_init(%r23), %r23
/* void (*fini) (void) (5th argument) */
ldil LR'.Lp__libc_csu_fini, %r22
ldw RR'.Lp__libc_csu_fini(%r22), %r22
#endif
/* Store 5th argument */
stw %r22, -52(%sp)
/* void *stack_end */
/* void (*rtld_fini) (void) (6th argument) */
stw %r23, -56(%sp)
/* void *stack_end (7th argument) */
stw %sp, -60(%sp)
/* load global */
@ -83,7 +107,7 @@ _start:
bl __libc_start_main,%r2
nop
/* die horribly if it returned (it shouldn't) */
iitlbp %r0,(%r0)
iitlbp %r0,(%sr0,%r0)
nop
.procend