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| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-05-21 18:43:45 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-05-21 18:43:45 -0700 |
| commit | d2812fc6d26adc7fc74d85079874a8ee944343da (patch) | |
| tree | 918e822d7b661c65175d8a67b7332af7bf8a0d2c | |
| parent | e7535de78f5e027e91cab6d4288a45b03ba0097f (diff) | |
| download | glibc-d2812fc6d26adc7fc74d85079874a8ee944343da.zip glibc-d2812fc6d26adc7fc74d85079874a8ee944343da.tar.gz glibc-d2812fc6d26adc7fc74d85079874a8ee944343da.tar.bz2 | |
Add ____longjmp_chk support for IA-64.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/__longjmp.S | 10 |
2 files changed, 13 insertions, 1 deletions
@@ -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. diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S index aa18fad..2e74904 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 |