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-rw-r--r--nptl/sysdeps/pthread/jmpbuf-unwind.h24
-rw-r--r--nptl/sysdeps/pthread/unwind-forcedunwind.c97
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h29
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c38
4 files changed, 188 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/jmpbuf-unwind.h b/nptl/sysdeps/pthread/jmpbuf-unwind.h
new file mode 100644
index 0000000000..fef293ac17
--- /dev/null
+++ b/nptl/sysdeps/pthread/jmpbuf-unwind.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+ 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. */
+
+#include <setjmp.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS(_jmpbuf, _context) \
+ _JMPBUF_UNWINDS (_jmpbuf, (void *) _Unwind_GetCFA (_context))
diff --git a/nptl/sysdeps/pthread/unwind-forcedunwind.c b/nptl/sysdeps/pthread/unwind-forcedunwind.c
new file mode 100644
index 0000000000..b0f8487086
--- /dev/null
+++ b/nptl/sysdeps/pthread/unwind-forcedunwind.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+ 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; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <dlfcn.h>
+#include <stdio.h>
+#include <unwind.h>
+#include <pthreadP.h>
+
+static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
+static _Unwind_Reason_Code (*libgcc_s_personality)
+ (int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
+ struct _Unwind_Context *);
+static _Unwind_Reason_Code (*libgcc_s_forcedunwind)
+ (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
+static _Unwind_Word (*libgcc_s_getcfa) (struct _Unwind_Context *);
+
+void
+pthread_cancel_init (void)
+{
+ void *resume, *personality, *forcedunwind, *getcfa;
+ void *handle;
+
+ if (__builtin_expect (libgcc_s_getcfa != NULL, 1))
+ return;
+
+ handle = __libc_dlopen ("libgcc_s.so.1");
+
+ if (handle == NULL
+ || (resume = __libc_dlsym (handle, "_Unwind_Resume")) == NULL
+ || (personality = __libc_dlsym (handle, "__gcc_personality_v0")) == NULL
+ || (forcedunwind = __libc_dlsym (handle, "_Unwind_ForcedUnwind"))
+ == NULL
+ || (getcfa = __libc_dlsym (handle, "_Unwind_GetCFA")) == NULL
+#ifdef ARCH_CANCEL_INIT
+ || ARCH_CANCEL_INIT (handle)
+#endif
+ )
+ __libc_fatal ("libgcc_s.so.1 must be installed for pthread_cancel to work\n");
+
+ libgcc_s_resume = resume;
+ libgcc_s_personality = personality;
+ libgcc_s_forcedunwind = forcedunwind;
+ libgcc_s_getcfa = getcfa;
+}
+
+void
+_Unwind_Resume (struct _Unwind_Exception *exc)
+{
+ if (__builtin_expect (libgcc_s_resume == NULL, 0))
+ pthread_cancel_init ();
+ libgcc_s_resume (exc);
+}
+
+_Unwind_Reason_Code
+__gcc_personality_v0 (int version, _Unwind_Action actions,
+ _Unwind_Exception_Class exception_class,
+ struct _Unwind_Exception *ue_header,
+ struct _Unwind_Context *context)
+{
+ if (__builtin_expect (libgcc_s_personality == NULL, 0))
+ pthread_cancel_init ();
+ return libgcc_s_personality (version, actions, exception_class,
+ ue_header, context);
+}
+
+_Unwind_Reason_Code
+_Unwind_ForcedUnwind (struct _Unwind_Exception *exc, _Unwind_Stop_Fn stop,
+ void *stop_argument)
+{
+ if (__builtin_expect (libgcc_s_forcedunwind == NULL, 0))
+ pthread_cancel_init ();
+ return libgcc_s_forcedunwind (exc, stop, stop_argument);
+}
+
+_Unwind_Word
+_Unwind_GetCFA (struct _Unwind_Context *context)
+{
+ if (__builtin_expect (libgcc_s_getcfa == NULL, 0))
+ pthread_cancel_init ();
+ return libgcc_s_getcfa (context);
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h b/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
new file mode 100644
index 0000000000..4a526b0f72
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+ 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. */
+
+#include <setjmp.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS(_jmpbuf, _context) \
+ ({ void *_cfa = (void *) _Unwind_GetCFA (_context); \
+ (_cfa < (void *)(((long *)(_jmpbuf))[0]) \
+ || (_cfa == (void *)(((long *)(_jmpbuf))[0]) \
+ && (void *) _Unwind_GetBSP (_context) \
+ >= (void *)(((long *)(_jmpbuf))[17]))); \
+ })
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c b/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c
new file mode 100644
index 0000000000..fb44b426bc
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+ 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; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <dlfcn.h>
+#include <stdio.h>
+#include <unwind.h>
+#include <pthreadP.h>
+
+static _Unwind_Word (*libgcc_s_getbsp) (struct _Unwind_Context *);
+
+#define ARCH_CANCEL_INIT(handle) \
+ ((libgcc_s_getbsp = __libc_dlsym (handle, "_Unwind_GetBSP")) == NULL)
+
+#include <sysdeps/pthread/unwind-forcedunwind.c>
+
+_Unwind_Word
+_Unwind_GetBSP (struct _Unwind_Context *context)
+{
+ if (__builtin_expect (libgcc_s_getbsp == NULL, 0))
+ pthread_cancel_init ();
+ return libgcc_s_getbsp (context);
+}
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