mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
5a82c74822
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
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 License as
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published by the Free Software Foundation; either version 2.1 of the
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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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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stddef.h>
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#include <asm/sigcontext.h>
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#include <linux/signal.h>
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#include <asm-generic/ucontext.h>
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#include <asm/unistd.h>
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int
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_identify_sighandler (unsigned long fp, unsigned long pc,
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unsigned long *pprev_fp, unsigned long *pprev_pc,
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unsigned long *retaddr)
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{
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unsigned long *tramp = 0;
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struct ucontext *uc;
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if (*retaddr == 0)
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{
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/* Kernel inserts the tramp between the signal handler frame and the
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caller frame in signal handling. */
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tramp = (unsigned long *) pc;
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tramp += 2;
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if ((*tramp == (0x31800000 | __NR_rt_sigreturn))
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&& (*(tramp+1) == 0xb9cc0008))
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{
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/* Signal handler function argument are:
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int sig_num, siginfo_t * info, void * ucontext
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therefore ucontext is the 3rd argument. */
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unsigned long ucptr = ((unsigned long) tramp
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- sizeof (struct ucontext));
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uc = (struct ucontext *) ucptr;
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*pprev_pc = uc->uc_mcontext.regs.pc;
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/* Need to record the return address since the return address of the
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function which causes this signal may not be recorded in the
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stack. */
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*pprev_fp = uc->uc_mcontext.regs.r1;
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*retaddr = uc->uc_mcontext.regs.r15;
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/* It is a signal handler. */
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return 1;
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}
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}
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return 0;
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}
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