* include/dwarf2-signal.h (INIT_SEGV, INIT_FPE for ia64):

	use sigaction instead of __libc_sigaction.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53074 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 26f4b0b..0aa5d59 100644 (file)
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2002-05-02  Hans Boehm  <Hans_Boehm@hp.com>
+
+       * include/dwarf2-signal.h (INIT_SEGV, INIT_FPE for ia64):
+       use sigaction instead of __libc_sigaction.
+
 2002-05-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
        * testsuite/lib/libjava.exp (libjava_find_spec): New function.

diff --git a/libjava/include/dwarf2-signal.h b/libjava/include/dwarf2-signal.h
index 21decd5..7dbcd9d 100644 (file)
--- a/libjava/include/dwarf2-signal.h
+++ b/libjava/include/dwarf2-signal.h
@@ -243,15 +243,9 @@ while (0)
 
 #else  /* __ia64__ */
 
-// FIXME: We shouldn't be using libc_sigaction here, since it should
-// be glibc private.  But using syscall here would mean translating to
-// the kernel's struct sigaction and argument sequence, which we
-// shouldn't either.  The right solution is to call sigaction and to
-// make sure that we can unwind correctly through the pthread signal
-// wrapper.
-extern "C" int __libc_sigaction (int __sig, 
-                     __const struct sigaction *__restrict __act,
-                      struct sigaction *__restrict __oact) throw ();
+// On IA64, unwind information is mandatory, so we can unwind
+// correctly through glibc frames.  Thus we call the ordinary
+// sigaction.
 
 #define INIT_SEGV                                              \
 do                                                             \
@@ -261,7 +255,7 @@ do                                                          \
     act.sa_sigaction = _Jv_catch_segv;                         \
     sigemptyset (&act.sa_mask);                                        \
     act.sa_flags = SA_SIGINFO;                                 \
-    __libc_sigaction (SIGSEGV, &act, NULL);                    \
+    sigaction (SIGSEGV, &act, NULL);                           \
   }                                                            \
 while (0)  
 
@@ -274,7 +268,7 @@ do                                                          \
     act.sa_sigaction = _Jv_catch_fpe;                          \
     sigemptyset (&act.sa_mask);                                        \
     act.sa_flags = SA_SIGINFO;                                 \
-    __libc_sigaction (SIGFPE, &act, NULL);                     \
+    sigaction (SIGFPE, &act, NULL);                            \
   }                                                            \
 while (0)  
 #endif /* __ia64__ || __sparc__ */