diff options
Diffstat (limited to 'sysdeps/powerpc/longjmp.c')
-rw-r--r-- | sysdeps/powerpc/longjmp.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/powerpc/longjmp.c b/sysdeps/powerpc/longjmp.c new file mode 100644 index 0000000000..e2d7556fd2 --- /dev/null +++ b/sysdeps/powerpc/longjmp.c @@ -0,0 +1,62 @@ +/* Copyright (C) 1991,92,94,95,97,98,2000,2002,2004 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Versioned copy of sysdeps/generic/longjmp.c modified for AltiVec support. */ + +#include <shlib-compat.h> +#include <stddef.h> +#include <setjmp.h> +#include <signal.h> + +extern void __vmx__longjmp (__jmp_buf __env, int __val); + __attribute__ ((noreturn)); +extern void __vmx__libc_longjmp (sigjmp_buf env, int val); + __attribute__ ((noreturn)); +libc_hidden_proto (__vmx__libc_longjmp) + +/* Set the signal mask to the one specified in ENV, and jump + to the position specified in ENV, causing the setjmp + call there to return VAL, or 1 if VAL is 0. */ +void +__vmx__libc_siglongjmp (sigjmp_buf env, int val) +{ + /* Perform any cleanups needed by the frames being unwound. */ + _longjmp_unwind (env, val); + + if (env[0].__mask_was_saved) + /* Restore the saved signal mask. */ + (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask, + (sigset_t *) NULL); + + /* Call the machine-dependent function to restore machine state. */ + __vmx__longjmp (env[0].__jmpbuf, val ?: 1); +} + +strong_alias (__vmx__libc_siglongjmp, __vmx__libc_longjmp) +libc_hidden_def (__vmx__libc_longjmp) +weak_alias (__vmx__libc_siglongjmp, __vmx_longjmp) +weak_alias (__vmx__libc_siglongjmp, __vmxlongjmp) +weak_alias (__vmx__libc_siglongjmp, __vmxsiglongjmp) + + +default_symbol_version (__vmx__libc_longjmp, __libc_longjmp, GLIBC_2.3.4); +default_symbol_version (__vmx__libc_siglongjmp, __libc_siglongjmp, GLIBC_2.3.4); +default_symbol_version (__vmx_longjmp, _longjmp, GLIBC_2.3.4); +default_symbol_version (__vmxlongjmp, longjmp, GLIBC_2.3.4); +default_symbol_version (__vmxsiglongjmp, siglongjmp, GLIBC_2.3.4); |