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authorUlrich Drepper <drepper@redhat.com>2004-02-14 05:16:57 +0000
committerUlrich Drepper <drepper@redhat.com>2004-02-14 05:16:57 +0000
commit5c76ff279fa8fd1425b86a39fe75507660cc0b5c (patch)
tree420bed38e7d88b534f57f82497cc0dd77a26b936 /linuxthreads/ptcleanup.c
parent9f8765bc46dbb4991dc20905c5d10d867956d489 (diff)
Update.
2004-02-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/__longjmp-common.S: New file. * sysdeps/powerpc/powerpc64/__longjmp.S [NOT_IN_libc](__longjmp): Non-versioned __longjmp for rtld-__longjmp. [!NOT_IN_libc](__vmx__longjmp): Add VMX reg support and define as default version of __longjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)] (__novmx__longjmp): Original version of __longjmp. * sysdeps/powerpc/powerpc64/bsd-_setjmp.S [NOT_IN_libc](_setjmp): Non-versioned _setjmp for rtld-_setjmp. [!NOT_IN_libc](__vmx_setjmp): Branch to __vmx__sigsetjmp and define as default version of _setjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)] (__novmx_setjmp): Original version of _setjmp. * sysdeps/powerpc/powerpc64/bsd-setjmp.S (__vmxsetjmp): Branch to __vmx__sigsetjmp and define as default version of setjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)] (__novmxsetjmp): Original version of setjmp. * sysdeps/powerpc/powerpc64/setjmp-common.S: New file. * sysdeps/powerpc/powerpc64/setjmp.S [NOT_IN_libc](__setjmp): Non-versioned __sigsetjmp for rtld-setjmp. [!NOT_IN_libc](__vmx__sigsetjmp): Add VMX reg support and define as default version of __sigsetjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)] (__novmx__sigsetjmp): Original version of __sigsetjmp. * sysdeps/powerpc/powerpc32/__longjmp-common.S: New File * sysdeps/powerpc/powerpc32/__longjmp.S [NOT_IN_libc](__longjmp): Non-versioned __longjmp for rtld-__longjmp. [!NOT_IN_libc](__vmx__longjmp): Add VMX reg support and define as default version of __longjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)] (__novmx__longjmp): Original version of __longjmp. * sysdeps/powerpc/powerpc32/bsd-_setjmp.S [NOT_IN_libc](_setjmp): Non-versioned _setjmp for rtld-_setjmp. [!NOT_IN_libc](__vmx_setjmp): Branch to __vmx__sigsetjmp and define as default version of _setjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)] (__novmx_setjmp): Original version of _setjmp. * sysdeps/powerpc/powerpc32/bsd-setjmp.S (__vmxsetjmp): Branch to __vmx__sigsetjmp and define as default version of setjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)] (__novmxsetjmp): Original version of setjmp. * sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: New file. * sysdeps/powerpc/powerpc32/fpu/__longjmp.S [NOT_IN_libc](__longjmp): Non-versioned __longjmp for rtld-__longjmp. [!NOT_IN_libc](__vmx__longjmp): Add VMX reg support and define as default version of __longjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)] (__novmx__longjmp): Original version of __longjmp. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: New file. * sysdeps/powerpc/powerpc32/fpu/setjmp.S [NOT_IN_libc](__setjmp): Non-versioned __sigsetjmp for rtld-setjmp. [!NOT_IN_libc](__vmx__sigsetjmp): Add VMX reg support and define as default version of __sigsetjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)] (__novmx__sigsetjmp): Original version of __sigsetjmp. * sysdeps/powerpc/powerpc32/setjmp-common.S: New file. * sysdeps/powerpc/powerpc32/setjmp.S [NOT_IN_libc](__setjmp): Non-versioned __sigsetjmp for rtld-setjmp. [!NOT_IN_libc](__vmx__sigsetjmp): Add VMX reg support and define as default version of __sigsetjmp. [SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)] (__novmx__sigsetjmp): Original version of __sigsetjmp. * sysdeps/powerpc/Dist: New File. * sysdeps/powerpc/Makefile (sysdep_routines): Add novmx-longjmp.c and novmx-sigjmp.c * sysdeps/powerpc/Versions (libc): To GLIBC_2.3_4 add _longjmp, __sigsetjmp, _setjmp, longjmp, and setjmp. To GLIBC_PRIVATE add __novmx__libc_longjmp, __novmx__libc_siglongjmp, __vmx__libc_longjmp, and __vmx__libc_siglongjmp. * sysdeps/powerpc/bits/setjmp.h: Define JB_VRSAVE, JB_VRS, and adjust JB_SIZE to add VMX regs to __jmp_buf. * sysdeps/powerpc/longjmp.c: New file. * sysdeps/powerpc/novmxsetjmp.h: New file. * sysdeps/powerpc/novmx-longjmp.c: New file. * sysdeps/powerpc/novmx-sigjmp.c: New file. * sysdeps/powerpc/sigjmp.c: New file.
Diffstat (limited to 'linuxthreads/ptcleanup.c')
-rw-r--r--linuxthreads/ptcleanup.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/linuxthreads/ptcleanup.c b/linuxthreads/ptcleanup.c
new file mode 100644
index 0000000000..9fde2555b1
--- /dev/null
+++ b/linuxthreads/ptcleanup.c
@@ -0,0 +1,52 @@
+/* Linuxthreads - a simple clone()-based implementation of Posix */
+/* threads for Linux. */
+/* Copyright (C) 1998, 2004 Xavier Leroy (Xavier.Leroy@inria.fr) */
+/* */
+/* This program is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Library General Public License */
+/* as published by the Free Software Foundation; either version 2 */
+/* of the License, or (at your option) any later version. */
+/* */
+/* This program 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 Library General Public License for more details. */
+
+/* Redefine siglongjmp and longjmp so that they interact correctly
+ with cleanup handlers */
+
+#include <setjmp.h>
+#include "pthread.h"
+#include "internals.h"
+
+void __pthread_cleanup_upto (__jmp_buf target, char *targetframe)
+{
+ pthread_descr self = thread_self();
+ struct _pthread_cleanup_buffer * c;
+
+ for (c = THREAD_GETMEM(self, p_cleanup);
+ c != NULL && _JMPBUF_UNWINDS(target, c);
+ c = c->__prev)
+ {
+#if _STACK_GROWS_DOWN
+ if ((char *) c <= targetframe)
+ {
+ c = NULL;
+ break;
+ }
+#elif _STACK_GROWS_UP
+ if ((char *) c >= targetframe)
+ {
+ c = NULL;
+ break;
+ }
+#else
+# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
+#endif
+ c->__routine(c->__arg);
+ }
+ THREAD_SETMEM(self, p_cleanup, c);
+ if (THREAD_GETMEM(self, p_in_sighandler)
+ && _JMPBUF_UNWINDS(target, THREAD_GETMEM(self, p_in_sighandler)))
+ THREAD_SETMEM(self, p_in_sighandler, NULL);
+}