2020-01-01 00:14:33 +00:00
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/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
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2012-04-17 02:02:27 +00:00
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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2012-04-17 02:10:24 +00:00
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License along with the GNU C Library; if not, see
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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 05:40:42 +00:00
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<https://www.gnu.org/licenses/>.
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2012-04-17 02:02:27 +00:00
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The layout of the jmp_buf is as follows. This is subject to change
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and user-code should never depend on the particular layout of
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jmp_buf!
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2014-01-29 07:55:17 +00:00
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offset: description:
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2012-04-17 02:02:27 +00:00
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------- ------------
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2014-01-29 07:55:17 +00:00
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0x000 stack pointer (r12) ; unchangeable (see _JMPBUF_UNWINDS)
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0x008 r1 (gp)
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2012-04-17 02:02:27 +00:00
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0x010 caller's unat
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2013-12-30 09:40:38 +00:00
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0x018 fpsr ; disabled per the C standard; BZ 16379
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2014-01-29 07:55:17 +00:00
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0x020 r4
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0x028 r5
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0x030 r6
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0x038 r7
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0x040 rp (b0)
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0x048 b1
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0x050 b2
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0x058 b3
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0x060 b4
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0x068 b5
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0x070 ar.pfs
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0x078 ar.lc
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0x080 pr
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0x088 ar.bsp ; unchangeable (see __longjmp.S)
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0x090 ar.unat
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2012-04-17 02:02:27 +00:00
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0x098 &__jmp_buf ; address of the jmpbuf (needed to locate NaT bits in unat)
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0x0a0 f2
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0x0b0 f3
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0x0c0 f4
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0x0d0 f5
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0x0e0 f16
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2014-01-29 07:55:17 +00:00
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0x0f0 f17
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0x100 f18
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0x110 f19
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0x120 f20
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0x130 f21
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0x130 f22
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0x140 f23
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0x150 f24
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0x160 f25
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0x170 f26
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0x180 f27
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0x190 f28
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0x1a0 f29
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0x1b0 f30
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0x1c0 f31 */
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2012-04-17 02:02:27 +00:00
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#include <sysdep.h>
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#include <features.h>
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/* The following two entry points are the traditional entry points: */
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LEAF(setjmp)
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alloc r8=ar.pfs,2,0,0,0
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mov in1=1
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2013-12-30 08:43:20 +00:00
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br.cond.sptk.many HIDDEN_JUMPTARGET(__sigsetjmp)
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2012-04-17 02:02:27 +00:00
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END(setjmp)
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LEAF(_setjmp)
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alloc r8=ar.pfs,2,0,0,0
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mov in1=0
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2013-12-30 08:43:20 +00:00
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br.cond.sptk.many HIDDEN_JUMPTARGET(__sigsetjmp)
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2012-04-17 02:02:27 +00:00
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END(_setjmp)
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libc_hidden_def (_setjmp)
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/* __sigsetjmp(__jmp_buf buf, int savemask) */
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ENTRY(__sigsetjmp)
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.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
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alloc loc1=ar.pfs,2,5,2,0
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.save ar.unat, loc2
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mov loc2=ar.unat
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;;
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2013-12-30 09:40:38 +00:00
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// mov r17=ar.fpsr
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2012-04-17 02:02:27 +00:00
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mov r2=in0
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add r3=8,in0
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;;
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.mem.offset 8,0; st8.spill.nta [r2]=sp,16 // r12 (sp)
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2013-12-30 09:40:38 +00:00
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.mem.offset 0,0; st8.spill.nta [r3]=gp,32 // r1 (gp)
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2012-04-17 02:02:27 +00:00
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;;
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st8.nta [r2]=loc2,16 // save caller's unat
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2013-12-30 09:40:38 +00:00
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// st8.nta [r3]=r17,16 // save fpsr
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2012-04-17 02:02:27 +00:00
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add r8=0xa0,in0
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;;
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.mem.offset 8,0; st8.spill.nta [r2]=r4,16 // r4
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.mem.offset 0,0; st8.spill.nta [r3]=r5,16 // r5
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add r9=0xb0,in0
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;;
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stf.spill.nta [r8]=f2,32
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stf.spill.nta [r9]=f3,32
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mov loc0=rp
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.body
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;;
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stf.spill.nta [r8]=f4,32
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stf.spill.nta [r9]=f5,32
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mov r17=b1
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;;
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stf.spill.nta [r8]=f16,32
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stf.spill.nta [r9]=f17,32
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mov r18=b2
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;;
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stf.spill.nta [r8]=f18,32
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stf.spill.nta [r9]=f19,32
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mov r19=b3
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;;
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stf.spill.nta [r8]=f20,32
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stf.spill.nta [r9]=f21,32
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mov r20=b4
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;;
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stf.spill.nta [r8]=f22,32
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stf.spill.nta [r9]=f23,32
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mov r21=b5
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;;
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stf.spill.nta [r8]=f24,32
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stf.spill.nta [r9]=f25,32
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mov r22=ar.lc
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;;
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stf.spill.nta [r8]=f26,32
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stf.spill.nta [r9]=f27,32
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mov r24=pr
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;;
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stf.spill.nta [r8]=f28,32
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stf.spill.nta [r9]=f29,32
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#ifdef PTR_MANGLE
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mov loc3=loc0
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;;
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PTR_MANGLE (loc3, loc4)
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#else
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;;
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#endif
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stf.spill.nta [r8]=f30
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stf.spill.nta [r9]=f31
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.mem.offset 8,0; st8.spill.nta [r2]=r6,16 // r6
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.mem.offset 0,0; st8.spill.nta [r3]=r7,16 // r7
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;;
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mov r23=ar.bsp
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mov r25=ar.unat
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mov out0=in0
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#ifdef PTR_MANGLE
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st8.nta [r2]=loc3,16 // b0
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#else
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st8.nta [r2]=loc0,16 // b0
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#endif
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st8.nta [r3]=r17,16 // b1
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mov out1=in1
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;;
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st8.nta [r2]=r18,16 // b2
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st8.nta [r3]=r19,16 // b3
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;;
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st8.nta [r2]=r20,16 // b4
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st8.nta [r3]=r21,16 // b5
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;;
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st8.nta [r2]=loc1,16 // ar.pfs
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st8.nta [r3]=r22,16 // ar.lc
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;;
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st8.nta [r2]=r24,16 // pr
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st8.nta [r3]=r23,16 // ar.bsp
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;;
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st8.nta [r2]=r25 // ar.unat
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st8.nta [r3]=in0 // &__jmp_buf
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2014-11-20 15:39:43 +00:00
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#if IS_IN (rtld)
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2012-04-17 02:02:27 +00:00
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/* In ld.so we never save the signal mask. */
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;;
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#else
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br.call.dpnt.few rp=__sigjmp_save
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#endif
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.ret0: // force a new bundle ::q
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mov.m ar.unat=loc2 // restore caller's unat
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mov rp=loc0
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mov ar.pfs=loc1
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mov r8=0
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ret
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END(__sigsetjmp)
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2013-12-30 08:43:20 +00:00
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libc_hidden_def (__sigsetjmp)
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rtld_hidden_def (__sigsetjmp)
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2012-04-17 02:02:27 +00:00
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weak_extern(_setjmp)
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weak_extern(setjmp)
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