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authorRoland McGrath <roland@gnu.org>2006-01-10 07:55:46 +0000
committerRoland McGrath <roland@gnu.org>2006-01-10 07:55:46 +0000
commit53751fd5e5c3cfd86e60e63740738cf1bc97697d (patch)
tree34280e234d21594d61a23849587c92cfe9047db0 /sysdeps/hppa/elf/start.S
parent69e094203aa2ca3114c2209659cbde00464ad6e7 (diff)
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* sysdeps/hppa/elf/start.S (_start): Use PLABEL32 relocations
by using LR and RR. Add %sr0 to iitlbp. * timezone/private.h: Update from tzcode2005r. * timezone/tzfile.h: Likewise. * timezone/zdump.c: Likewise. * timezone/zic.c: Likewise. * timezone/africa: Update from tzdata2005r. * timezone/antarctica: Likewise. * timezone/asia: Likewise. * timezone/australasia: Likewise. * timezone/backward: Likewise. * timezone/europe: Likewise. * timezone/northamerica: Likewise. * timezone/southamerica: Likewise. * timezone/systemv: Likewise.
Diffstat (limited to 'sysdeps/hppa/elf/start.S')
-rw-r--r--sysdeps/hppa/elf/start.S72
1 files changed, 48 insertions, 24 deletions
diff --git a/sysdeps/hppa/elf/start.S b/sysdeps/hppa/elf/start.S
index 4cf832a..94edeaa 100644
--- a/sysdeps/hppa/elf/start.S
+++ b/sysdeps/hppa/elf/start.S
@@ -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
-
- /* 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
+ /* TODO: Follow ABI? Place more things on the stack here... */
+
+#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