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glibc/sysdeps/unix/sysv/linux/ia64/setjmp.S
Paul Eggert 5a82c74822 Prefer https to http for gnu.org and fsf.org URLs 
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:

sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)

and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:

  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 02:43:31 -07:00

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/* Copyright (C) 1999-2019 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, see
<https://www.gnu.org/licenses/>.
The layout of the jmp_buf is as follows. This is subject to change
and user-code should never depend on the particular layout of
jmp_buf!
offset: description:
------- ------------
0x000 stack pointer (r12) ; unchangeable (see _JMPBUF_UNWINDS)
0x008 r1 (gp)
0x010 caller's unat
0x018 fpsr ; disabled per the C standard; BZ 16379
0x020 r4
0x028 r5
0x030 r6
0x038 r7
0x040 rp (b0)
0x048 b1
0x050 b2
0x058 b3
0x060 b4
0x068 b5
0x070 ar.pfs
0x078 ar.lc
0x080 pr
0x088 ar.bsp ; unchangeable (see __longjmp.S)
0x090 ar.unat
0x098 &__jmp_buf ; address of the jmpbuf (needed to locate NaT bits in unat)
0x0a0 f2
0x0b0 f3
0x0c0 f4
0x0d0 f5
0x0e0 f16
0x0f0 f17
0x100 f18
0x110 f19
0x120 f20
0x130 f21
0x130 f22
0x140 f23
0x150 f24
0x160 f25
0x170 f26
0x180 f27
0x190 f28
0x1a0 f29
0x1b0 f30
0x1c0 f31 */
#include <sysdep.h>
#include <features.h>
/* The following two entry points are the traditional entry points: */
LEAF(setjmp)
alloc r8=ar.pfs,2,0,0,0
mov in1=1
br.cond.sptk.many HIDDEN_JUMPTARGET(__sigsetjmp)
END(setjmp)
LEAF(_setjmp)
alloc r8=ar.pfs,2,0,0,0
mov in1=0
br.cond.sptk.many HIDDEN_JUMPTARGET(__sigsetjmp)
END(_setjmp)
libc_hidden_def (_setjmp)
/* __sigsetjmp(__jmp_buf buf, int savemask) */
ENTRY(__sigsetjmp)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
alloc loc1=ar.pfs,2,5,2,0
.save ar.unat, loc2
mov loc2=ar.unat
;;
// mov r17=ar.fpsr
mov r2=in0
add r3=8,in0
;;
.mem.offset 8,0; st8.spill.nta [r2]=sp,16 // r12 (sp)
.mem.offset 0,0; st8.spill.nta [r3]=gp,32 // r1 (gp)
;;
st8.nta [r2]=loc2,16 // save caller's unat
// st8.nta [r3]=r17,16 // save fpsr
add r8=0xa0,in0
;;
.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
stf.spill.nta [r9]=f3,32
mov loc0=rp
.body
;;
stf.spill.nta [r8]=f4,32
stf.spill.nta [r9]=f5,32
mov r17=b1
;;
stf.spill.nta [r8]=f16,32
stf.spill.nta [r9]=f17,32
mov r18=b2
;;
stf.spill.nta [r8]=f18,32
stf.spill.nta [r9]=f19,32
mov r19=b3
;;
stf.spill.nta [r8]=f20,32
stf.spill.nta [r9]=f21,32
mov r20=b4
;;
stf.spill.nta [r8]=f22,32
stf.spill.nta [r9]=f23,32
mov r21=b5
;;
stf.spill.nta [r8]=f24,32
stf.spill.nta [r9]=f25,32
mov r22=ar.lc
;;
stf.spill.nta [r8]=f26,32
stf.spill.nta [r9]=f27,32
mov r24=pr
;;
stf.spill.nta [r8]=f28,32
stf.spill.nta [r9]=f29,32
#ifdef PTR_MANGLE
mov loc3=loc0
;;
PTR_MANGLE (loc3, loc4)
#else
;;
#endif
stf.spill.nta [r8]=f30
stf.spill.nta [r9]=f31
.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
mov out0=in0
#ifdef PTR_MANGLE
st8.nta [r2]=loc3,16 // b0
#else
st8.nta [r2]=loc0,16 // b0
#endif
st8.nta [r3]=r17,16 // b1
mov out1=in1
;;
st8.nta [r2]=r18,16 // b2
st8.nta [r3]=r19,16 // b3
;;
st8.nta [r2]=r20,16 // b4
st8.nta [r3]=r21,16 // b5
;;
st8.nta [r2]=loc1,16 // ar.pfs
st8.nta [r3]=r22,16 // ar.lc
;;
st8.nta [r2]=r24,16 // pr
st8.nta [r3]=r23,16 // ar.bsp
;;
st8.nta [r2]=r25 // ar.unat
st8.nta [r3]=in0 // &__jmp_buf
#if IS_IN (rtld)
/* In ld.so we never save the signal mask. */
;;
#else
br.call.dpnt.few rp=__sigjmp_save
#endif
.ret0: // force a new bundle ::q
mov.m ar.unat=loc2 // restore caller's unat
mov rp=loc0
mov ar.pfs=loc1
mov r8=0
ret
END(__sigsetjmp)
libc_hidden_def (__sigsetjmp)
rtld_hidden_def (__sigsetjmp)
weak_extern(_setjmp)
weak_extern(setjmp)
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