diff options
Diffstat (limited to 'sysdeps/powerpc/novmx-longjmp.c')
| -rw-r--r-- | sysdeps/powerpc/novmx-longjmp.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sysdeps/powerpc/novmx-longjmp.c b/sysdeps/powerpc/novmx-longjmp.c new file mode 100644 index 0000000000..d823239ea6 --- /dev/null +++ b/sysdeps/powerpc/novmx-longjmp.c @@ -0,0 +1,68 @@ +/* Copyright (C) 1991,92,94,95,97,98,2000,2002,2003,2004 + 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. */ + +/* Copy of sysdeps/generic/longjmp.c modified for backward compatibility + with old non AltiVec/VMX longjmp. */ + +#include <bits/wordsize.h> +#include <shlib-compat.h> +#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) +# include <stddef.h> +# include <novmxsetjmp.h> +# include <signal.h> + + +/* 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 +__novmx__libc_siglongjmp (__novmx__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. */ + __novmx__longjmp (env[0].__jmpbuf, val ?: 1); +} + +strong_alias (__novmx__libc_siglongjmp, __novmx__libc_longjmp) +libc_hidden_def (__novmx__libc_longjmp) +weak_alias (__novmx__libc_siglongjmp, __novmx_longjmp) +weak_alias (__novmx__libc_siglongjmp, __novmxlongjmp) +weak_alias (__novmx__libc_siglongjmp, __novmxsiglongjmp) + +# if __WORDSIZE == 64 +symbol_version (__novmx__libc_longjmp,__libc_longjmp,GLIBC_2.3); +symbol_version (__novmx__libc_siglongjmp,__libc_siglongjmp,GLIBC_2.3); +symbol_version (__novmx_longjmp,_longjmp,GLIBC_2.3); +symbol_version (__novmxlongjmp,longjmp,GLIBC_2.3); +symbol_version (__novmxsiglongjmp,siglongjmp,GLIBC_2.3); +# else +symbol_version (__novmx__libc_longjmp,__libc_longjmp,GLIBC_2.0); +symbol_version (__novmx__libc_siglongjmp,__libc_siglongjmp,GLIBC_2.0); +symbol_version (__novmx_longjmp,_longjmp,GLIBC_2.0); +symbol_version (__novmxlongjmp,longjmp,GLIBC_2.0); +symbol_version (__novmxsiglongjmp,siglongjmp,GLIBC_2.0); +# endif +#endif /* defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)) */ |