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2003-05-13  David Mosberger  <davidm@hpl.hp.com>

	* sysdeps/unix/sysv/linux/ia64/setjmp.S: Fix the fix from
	2003-03-27: setjmp is NOT a leaf-routine (due to the call to
	__sigjmp_save) so we can't keep the saved unat value in a scratch
	register (r16).  Use loc2 instead.
This commit is contained in:
Ulrich Drepper 2003-05-14 20:44:11 +00:00
parent 1ad318d369
commit c9300aefcd
2 changed files with 12 additions and 5 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2003-05-13 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/setjmp.S: Fix the fix from
2003-03-27: setjmp is NOT a leaf-routine (due to the call to
__sigjmp_save) so we can't keep the saved unat value in a scratch
register (r16). Use loc2 instead.
2003-05-13 Ulrich Drepper <drepper@redhat.com>
* csu/Makefile: Do compile elf-init with PIC flag since in dynamic

10
sysdeps/unix/sysv/linux/ia64/setjmp.S
View File

@ -86,9 +86,9 @@ libc_hidden_def (_setjmp)
ENTRY(__sigsetjmp)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
alloc loc1=ar.pfs,2,2,2,0
.save ar.unat, r16
mov r16=ar.unat
alloc loc1=ar.pfs,2,3,2,0
.save ar.unat, loc2
mov loc2=ar.unat
;;
mov r17=ar.fpsr
mov r2=in0
@ -97,7 +97,7 @@ ENTRY(__sigsetjmp)
.mem.offset 8,0; st8.spill.nta [r2]=sp,16 // r12 (sp)
.mem.offset 0,0; st8.spill.nta [r3]=gp,16 // r1 (gp)
;;
st8.nta [r2]=r16,16 // save caller's unat
st8.nta [r2]=loc2,16 // save caller's unat
st8.nta [r3]=r17,16 // save fpsr
add r8=0xa0,in0
;;
@ -171,7 +171,7 @@ ENTRY(__sigsetjmp)
st8.nta [r3]=in0 // &__jmp_buf
br.call.dpnt.few rp=__sigjmp_save
.ret0: // force a new bundle ::q
mov.m ar.unat=r16 // restore caller's unat
mov.m ar.unat=loc2 // restore caller's unat
mov rp=loc0
mov ar.pfs=loc1
mov r8=0