From 28cf305854fd91eaa5b5e16d23a612e094f02920 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 27 Mar 2003 19:51:26 +0000
Subject: Update.

2003-03-27  David Mosberger  <davidm@hpl.hp.com>

	* sysdeps/unix/sysv/linux/ia64/getcontext.S: Restore caller's
	ar.unat before returning.  Add missing .mem.offset directives
	to ensure file gets assembled without warnings.
	* sysdeps/unix/sysv/linux/ia64/setjmp.S: Likewise.
---
 sysdeps/unix/sysv/linux/ia64/getcontext.S |  9 ++++++---
 sysdeps/unix/sysv/linux/ia64/setjmp.S     | 16 +++++++++-------
 2 files changed, 15 insertions(+), 10 deletions(-)

(limited to 'sysdeps/unix')

diff --git a/sysdeps/unix/sysv/linux/ia64/getcontext.S b/sysdeps/unix/sysv/linux/ia64/getcontext.S
index e396480a40..f58e84f1ae 100644
--- a/sysdeps/unix/sysv/linux/ia64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/ia64/getcontext.S
@@ -34,6 +34,7 @@
   other than the PRESERVED state.  */
 
 ENTRY(__getcontext)
+	.prologue
 	alloc r16 = ar.pfs, 1, 0, 3, 0
 
 	// sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask):
@@ -53,7 +54,9 @@ ENTRY(__getcontext)
 	add r2 = SC_GR+1*8, r32
 	;;
 	mov.m rBSP = ar.bsp
+	.save ar.unat, rUNAT
 	mov.m rUNAT = ar.unat
+	.body
 	add r3 = SC_GR+4*8, r32
 	;;
 
@@ -65,8 +68,8 @@ ENTRY(__getcontext)
 .mem.offset 8,0; st8.spill [r3] = r6, 48
 	and rTMP = ~0x3, rRSC
 	;;
-	st8.spill [r2] = r7, (SC_FR+2*16-(SC_GR+7*8))
-	st8.spill [r3] = sp, (SC_FR+3*16-(SC_GR+12*8))
+.mem.offset 0,0; st8.spill [r2] = r7, (SC_FR+2*16-(SC_GR+7*8))
+.mem.offset 8,0; st8.spill [r3] = sp, (SC_FR+3*16-(SC_GR+12*8))
 	;;
 	mov.m ar.rsc = rTMP 		// put RSE into enforced lazy mode
 	mov.m rNAT = ar.unat
@@ -119,8 +122,8 @@ ENTRY(__getcontext)
 	stf.spill [r3] = f31, 32
 	mov rB1 = b1
 	;;
+	mov ar.unat = rUNAT	// we're done spilling integer regs; restore caller's UNaT
 	add r2 = SC_NAT, r32
-	nop 0
 	add r3 = SC_BSP, r32
 	;;
 	st8 [r2] = rNAT, (SC_RNAT-SC_NAT)
diff --git a/sysdeps/unix/sysv/linux/ia64/setjmp.S b/sysdeps/unix/sysv/linux/ia64/setjmp.S
index 954d805f6c..dc143a3100 100644
--- a/sysdeps/unix/sysv/linux/ia64/setjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/setjmp.S
@@ -87,21 +87,22 @@ 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
 	;;
 	mov r17=ar.fpsr
 	mov r2=in0
 	add r3=8,in0
 	;;
-	st8.spill.nta [r2]=sp,16	// r12 (sp)
-	st8.spill.nta [r3]=gp,16	// r1 (gp)
+.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 [r3]=r17,16		// save fpsr
 	add r8=0xa0,in0
 	;;
-	st8.spill.nta [r2]=r4,16	// r4
-	st8.spill.nta [r3]=r5,16	// r5
+.mem.offset 8,0;	st8.spill.nta [r2]=r4,16	// r4
+.mem.offset 0,0;	st8.spill.nta [r3]=r5,16	// r5
 	add r9=0xb0,in0
 	;;
 	stf.spill.nta [r8]=f2,32
@@ -143,8 +144,8 @@ ENTRY(__sigsetjmp)
 	stf.spill.nta [r8]=f30
 	stf.spill.nta [r9]=f31
 
-	st8.spill.nta [r2]=r6,16	// r6
-	st8.spill.nta [r3]=r7,16	// r7
+.mem.offset 8,0;	st8.spill.nta [r2]=r6,16	// r6
+.mem.offset 0,0;	st8.spill.nta [r3]=r7,16	// r7
 	;;
 	mov r23=ar.bsp
 	mov r25=ar.unat
@@ -170,9 +171,10 @@ ENTRY(__sigsetjmp)
 	st8.nta [r3]=in0		// &__jmp_buf
 	br.call.dpnt.few rp=__sigjmp_save
 .ret0:					// force a new bundle ::q
-	mov r8=0
+	mov.m ar.unat=r16		// restore caller's unat
 	mov rp=loc0
 	mov ar.pfs=loc1
+	mov r8=0
 	ret
 END(__sigsetjmp)
 
-- 
cgit 1.4.1