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57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
/* Copyright (C) 1991-2024 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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/* Copy of sysdeps/generic/longjmp.c modified for backward compatibility
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with old non AltiVec/VMX longjmp. */
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#include <bits/wordsize.h>
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#include <shlib-compat.h>
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#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)
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# include <stddef.h>
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# include <novmxsetjmp.h>
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# include <signal.h>
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/* Set the signal mask to the one specified in ENV, and jump
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to the position specified in ENV, causing the setjmp
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call there to return VAL, or 1 if VAL is 0. */
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void
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__novmx__libc_siglongjmp (__novmx__sigjmp_buf env, int val)
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{
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/* Perform any cleanups needed by the frames being unwound. */
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_longjmp_unwind (env, val);
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if (env[0].__mask_was_saved)
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/* Restore the saved signal mask. */
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(void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
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(sigset_t *) NULL);
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/* Call the machine-dependent function to restore machine state. */
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__novmx__longjmp (env[0].__jmpbuf, val ?: 1);
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}
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strong_alias (__novmx__libc_siglongjmp, __novmx__libc_longjmp)
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libc_hidden_def (__novmx__libc_longjmp)
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weak_alias (__novmx__libc_siglongjmp, __novmx_longjmp)
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weak_alias (__novmx__libc_siglongjmp, __novmxlongjmp)
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weak_alias (__novmx__libc_siglongjmp, __novmxsiglongjmp)
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compat_symbol (libc, __novmx_longjmp, _longjmp, GLIBC_2_0);
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compat_symbol (libc, __novmxlongjmp, longjmp, GLIBC_2_0);
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compat_symbol (libc, __novmxsiglongjmp, siglongjmp, GLIBC_2_0);
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#endif /* defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)) */
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