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author | Ulrich Drepper <drepper@gmail.com> | 2012-01-07 11:19:05 -0500 |
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committer | Ulrich Drepper <drepper@gmail.com> | 2012-01-07 11:19:05 -0500 |
commit | d75a0a62b12c35ee85f786d5f8d155ab39909411 (patch) | |
tree | c3479d23878ef4ab05629d4a60f4f7623269c1dd /sysdeps/unix/sysv/linux/ia64/__longjmp.S | |
parent | dcc9756b5bfbb2b97f73bad863d7e1c4002bea98 (diff) | |
download | glibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.tar glibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.tar.gz glibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.tar.bz2 glibc-d75a0a62b12c35ee85f786d5f8d155ab39909411.zip |
Remove IA-64 support
Diffstat (limited to 'sysdeps/unix/sysv/linux/ia64/__longjmp.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/ia64/__longjmp.S | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S deleted file mode 100644 index 2e74904385..0000000000 --- a/sysdeps/unix/sysv/linux/ia64/__longjmp.S +++ /dev/null @@ -1,171 +0,0 @@ -/* Copyright (C) 1999, 2000, 2001, 2005 Free Software Foundation, Inc. - Contributed by David Mosberger-Tang <davidm@hpl.hp.com>. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. - - Note that __sigsetjmp() did NOT flush the register stack. Instead, - we do it here since __longjmp() is usually much less frequently - invoked than __sigsetjmp(). The only difficulty is that __sigsetjmp() - didn't (and wouldn't be able to) save ar.rnat either. This is a problem - because if we're not careful, we could end up loading random NaT bits. - There are two cases: - - (i) ar.bsp < ia64_rse_rnat_addr(jmpbuf.ar_bsp) - ar.rnat contains the desired bits---preserve ar.rnat - across loadrs and write to ar.bspstore - - (ii) ar.bsp >= ia64_rse_rnat_addr(jmpbuf.ar_bsp) - The desired ar.rnat is stored in - ia64_rse_rnat_addr(jmpbuf.ar_bsp). Load those - bits into ar.rnat after setting ar.bspstore. */ - -#include <sysdep.h> -#include <features.h> - -# define pPos p6 /* is rotate count positive? */ -# define pNeg p7 /* is rotate count negative? */ - - - /* __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 - ;; - ld8 r8=[r2],-16 // r8 <- orig_jmp_buf_addr - mov r10=ar.bsp - and r11=~0x3,r27 // clear ar.rsc.mode - ;; - flushrs // flush dirty regs to backing store (must be first in insn grp) - ld8 r23=[r2],8 // r23 <- jmpbuf.ar_bsp - sub r8=r8,in0 // r8 <- &orig_jmpbuf - &jmpbuf - ;; - ld8 r25=[r2] // r25 <- jmpbuf.ar_unat - extr.u r8=r8,3,6 // r8 <- (&orig_jmpbuf - &jmpbuf)/8 & 0x3f - ;; - cmp.lt pNeg,pPos=r8,r0 - mov r2=in0 - ;; -(pPos) mov r16=r8 -(pNeg) add r16=64,r8 -(pPos) sub r17=64,r8 -(pNeg) sub r17=r0,r8 - ;; - mov ar.rsc=r11 // put RSE in enforced lazy mode - shr.u r8=r25,r16 - 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) - ;; -#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 - ;; - ld8.fill.nta r4=[r2],16 // r4 - ld8.fill.nta r5=[r3],16 // r5 (gp) - cmp.geu p8,p0=r10,r11 // p8 <- (ar.bsp >= jmpbuf.ar_bsp) - ;; - ld8.fill.nta r6=[r2],16 // r6 - ld8.fill.nta r7=[r3],16 // r7 - ;; - mov ar.unat=r16 // restore caller's unat - mov ar.fpsr=r17 // restore fpsr - ;; - ld8.nta r16=[r2],16 // b0 - ld8.nta r17=[r3],16 // b1 - ;; -(p8) ld8 r26=[r11] // r26 <- *ia64_rse_rnat_addr(jmpbuf.ar_bsp) - mov ar.bspstore=r23 // restore ar.bspstore - ;; - ld8.nta r18=[r2],16 // b2 - ld8.nta r19=[r3],16 // b3 - ;; -#ifdef PTR_DEMANGLE - PTR_DEMANGLE (r16, r24) -#endif - ld8.nta r20=[r2],16 // b4 - ld8.nta r21=[r3],16 // b5 - ;; - ld8.nta r11=[r2],16 // ar.pfs - ld8.nta r22=[r3],56 // ar.lc - ;; - ld8.nta r24=[r2],32 // pr - mov b0=r16 - ;; - ldf.fill.nta f2=[r2],32 - ldf.fill.nta f3=[r3],32 - mov b1=r17 - ;; - ldf.fill.nta f4=[r2],32 - ldf.fill.nta f5=[r3],32 - mov b2=r18 - ;; - ldf.fill.nta f16=[r2],32 - ldf.fill.nta f17=[r3],32 - mov b3=r19 - ;; - ldf.fill.nta f18=[r2],32 - ldf.fill.nta f19=[r3],32 - mov b4=r20 - ;; - ldf.fill.nta f20=[r2],32 - ldf.fill.nta f21=[r3],32 - mov b5=r21 - ;; - ldf.fill.nta f22=[r2],32 - ldf.fill.nta f23=[r3],32 - mov ar.lc=r22 - ;; - ldf.fill.nta f24=[r2],32 - ldf.fill.nta f25=[r3],32 - cmp.eq p8,p9=0,in1 - ;; - ldf.fill.nta f26=[r2],32 - ldf.fill.nta f27=[r3],32 - mov ar.pfs=r11 - ;; - ldf.fill.nta f28=[r2],32 - ldf.fill.nta f29=[r3],32 - ;; - ldf.fill.nta f30=[r2] - ldf.fill.nta f31=[r3] -(p8) mov r8=1 - - mov ar.rnat=r26 // restore ar.rnat - ;; - mov ar.rsc=r27 // restore ar.rsc -(p9) mov r8=in1 - - invala // virt. -> phys. regnum mapping may change - mov pr=r24,-1 - ret -END(__longjmp) |