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Add ____longjmp_chk support for IA-64.

This commit is contained in:
H.J. Lu 2009-05-21 18:43:45 -07:00 committed by Ulrich Drepper
parent e7535de78f
commit d2812fc6d2
2 changed files with 13 additions and 1 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2009-05-21 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S: New file.
* sysdeps/unix/sysv/linux/ia64/__longjmp.S: If CHECK_RSP is defined,
use it.
* sysdeps/i386/__longjmp.S: Add .text.
* sysdeps/x86_64/__longjmp.S: Likewise.

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

@ -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