581c785bf3
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/* Copyright (C) 2009-2022 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
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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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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <sysdep.h>
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#include <setjmp.h>
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#include <bits/setjmp.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <signal.h>
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#include <sys/syscall.h>
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#define __longjmp ____longjmp_chk
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#define CHECK_SP(env, guard) \
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do \
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{ \
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uintptr_t cur_sp; \
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uintptr_t new_sp = env->__gregs[9]; \
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__asm__ ("lgr %0, %%r15" : "=r" (cur_sp)); \
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new_sp ^= guard; \
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if (new_sp < cur_sp) \
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{ \
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stack_t oss; \
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int res = INTERNAL_SYSCALL_CALL (sigaltstack, NULL, &oss); \
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if (!INTERNAL_SYSCALL_ERROR_P (res)) \
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{ \
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if ((oss.ss_flags & SS_ONSTACK) == 0 \
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|| ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp \
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< oss.ss_size)) \
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__fortify_fail ("longjmp causes uninitialized stack frame");\
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} \
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} \
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} while (0)
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#include "__longjmp.c"
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