aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/powerpc/novmx-sigjmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/powerpc/novmx-sigjmp.c')
-rw-r--r--sysdeps/powerpc/novmx-sigjmp.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/powerpc/novmx-sigjmp.c b/sysdeps/powerpc/novmx-sigjmp.c
new file mode 100644
index 0000000000..7489ded4a9
--- /dev/null
+++ b/sysdeps/powerpc/novmx-sigjmp.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1992, 1994, 1997, 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/sigjmp.c modified for backward compatibility
+ with old non AltiVec/VMX setjmp. */
+
+#include <bits/wordsize.h>
+#include <shlib-compat.h>
+#if !defined NOT_IN_libc && defined SHARED
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)
+# include <stddef.h>
+# include <novmxsetjmp.h>
+# include <signal.h>
+
+/* This function is called by the `sigsetjmp' macro
+ before doing a `__setjmp' on ENV[0].__jmpbuf.
+ Always return zero. */
+
+int
+__novmx__sigjmp_save (__novmx__sigjmp_buf env, int savemask)
+{
+ env[0].__mask_was_saved = (savemask &&
+ __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
+ &env[0].__saved_mask) == 0);
+
+ return 0;
+}
+
+# if __WORDSIZE == 64
+symbol_version (__novmx__sigjmp_save,__sigjmp_save,GLIBC_2.3);
+# else
+symbol_version (__novmx__sigjmp_save,__sigjmp_save,GLIBC_2.0);
+# endif /* __WORDSIZE == 64 */
+# endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) */
+#endif /* !NOT_IN_libc && SHARED */