about summary refs log tree commit diff
path: root/sysdeps/unix
diff options
context:
space:
mode:
authorH.J. Lu <hongjiu.lu@intel.com>2009-05-21 18:43:45 -0700
committerUlrich Drepper <drepper@redhat.com>2009-05-21 18:43:45 -0700
commitd2812fc6d26adc7fc74d85079874a8ee944343da (patch)
tree918e822d7b661c65175d8a67b7332af7bf8a0d2c /sysdeps/unix
parente7535de78f5e027e91cab6d4288a45b03ba0097f (diff)
downloadglibc-d2812fc6d26adc7fc74d85079874a8ee944343da.tar.gz
glibc-d2812fc6d26adc7fc74d85079874a8ee944343da.tar.xz
glibc-d2812fc6d26adc7fc74d85079874a8ee944343da.zip
Add ____longjmp_chk support for IA-64.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/ia64/__longjmp.S10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
index aa18fadf9c..2e74904385 100644
--- a/sysdeps/unix/sysv/linux/ia64/__longjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
@@ -42,7 +42,11 @@
 	/* __longjmp(__jmp_buf buf, int val) */
 
 LEAF(__longjmp)
+#ifdef CHECK_RSP
+	alloc r8=ar.pfs,2,1,1,0
+#else
 	alloc r8=ar.pfs,2,1,0,0
+#endif
 	mov r27=ar.rsc
 	add r2=0x98,in0		// r2 <- &jmpbuf.orig_jmp_buf_addr
 	;;
@@ -70,14 +74,18 @@ LEAF(__longjmp)
 	add r3=8,in0		// r3 <- &jmpbuf.r1
 	shl r9=r25,r17
 	;;
+	ld8.fill.nta r28=[r2],16	// r28 <- jmpbuf.sp
 	or r25=r8,r9
 	;;
 	mov r26=ar.rnat
 	mov ar.unat=r25		// setup ar.unat (NaT bits for r1, r4-r7, and r12)
 	;;
-	ld8.fill.nta sp=[r2],16	// r12 (sp)
+#ifdef CHECK_RSP
+	CHECK_RSP (r28)
+#endif
 	ld8.fill.nta gp=[r3],16		// r1 (gp)
 	dep r11=-1,r23,3,6	// r11 <- ia64_rse_rnat_addr(jmpbuf.ar_bsp)
+	mov sp=r28		// r12 (sp)
 	;;
 	ld8.nta r16=[r2],16		// caller's unat
 	ld8.nta r17=[r3],16		// fpsr