* include/pa-signal.h: Do not include ucontext.h.

	(SIGNAL_HANDLER): Add __attribute__ ((unused)) to signal handler
	arguments.
	(MAKE_THROW_FRAME): Do not adjust program counter.
	* include/hppa-signal.h: Do not include sys/types.h, sys/syscall.h and
	unistd.h.
	(MAKE_THROW_FRAME): Do not adjust program counter.
	(HANDLE_FPE): Define.
	(INIT_SEGV, INIT_FPE): Revise indentation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155116 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 632d66a..adef878 100644 (file)
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,15 @@
+2009-12-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       * include/pa-signal.h: Do not include ucontext.h.
+       (SIGNAL_HANDLER): Add __attribute__ ((unused)) to signal handler
+       arguments.
+       (MAKE_THROW_FRAME): Do not adjust program counter.
+       * include/hppa-signal.h: Do not include sys/types.h, sys/syscall.h and
+       unistd.h.
+       (MAKE_THROW_FRAME): Do not adjust program counter.
+       (HANDLE_FPE): Define.
+       (INIT_SEGV, INIT_FPE): Revise indentation.
+
 2009-12-09  Bryce McKinlay  <bmckinlay@gmail.com>
 
        PR java/41991  

diff --git a/libjava/include/hppa-signal.h b/libjava/include/hppa-signal.h
index ac4cac5..116a62e 100644 (file)
--- a/libjava/include/hppa-signal.h
+++ b/libjava/include/hppa-signal.h
@@ -1,7 +1,7 @@
 /* hppa-signal.h - Catch runtime signals and turn them into exceptions,
    on a HP-UX 11 PA system.  */
 
-/* Copyright (C) 2006  Free Software Foundation
+/* Copyright (C) 2006, 2009  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -9,60 +9,41 @@ This software is copyrighted work licensed under the terms of the
 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
 details.  */
 
-/* This file is really more of a specification.  The rest of the system
-   should be arranged so that this Just Works.  */
-
 #ifndef JAVA_SIGNAL_H
-# define JAVA_SIGNAL_H 1
+#define JAVA_SIGNAL_H 1
 
-#include <sys/types.h>
 #include <signal.h>
-#include <sys/syscall.h>
-#include <unistd.h>
 
-# define HANDLE_SEGV 1
-# undef HANDLE_FPE
+#define HANDLE_SEGV 1
+#define HANDLE_FPE 1
 
 #define SIGNAL_HANDLER(_name)                                          \
-  static void _name (int _dummy __attribute__ ((unused)),              \
-                    siginfo_t *_info __attribute__ ((__unused__)),     \
-                    void *arg __attribute__ ((__unused__)))
-
-#define MAKE_THROW_FRAME(_exception)                                   \
-do                                                                     \
-{                                                                      \
-  ucontext_t *_context = (ucontext_t *) arg;                           \
-  (void)_dummy;                                                                \
-  (void)_info;                                                         \
-  mcontext_t *mc = &(_context->uc_mcontext);                           \
-  SetSSReg (mc, ss_pcoq_head, GetSSReg (mc, ss_pcoq_tail));            \
-  SetSSReg (mc, ss_pcsq_head, GetSSReg (mc, ss_pcsq_tail));            \
-  /* This part is not quit right if the head pc was pointing           \
-     at a branch.  The tail needs to be adjusted to the branch         \
-     target if the branch is taken.  The tail space register           \
-     may need adjustment as well if the branch is an interspace                \
-     branch.  */                                                       \
-  SetSSReg (mc, ss_pcoq_tail, (GetSSReg (mc, ss_pcoq_tail) + 4));      \
-                                                                       \
- }                                                                     \
+static void  _name (int _dummy __attribute__ ((unused)),               \
+                   siginfo_t *_info __attribute__ ((__unused__)),      \
+                   void *arg __attribute__ ((__unused__)))
+
+#define MAKE_THROW_FRAME(_exception)
+
+#define INIT_SEGV                              \
+do                                             \
+  {                                            \
+    struct sigaction sa;                       \
+    sa.sa_sigaction = catch_segv;              \
+    sigemptyset (&sa.sa_mask);                 \
+    sa.sa_flags = SA_SIGINFO | SA_NODEFER;     \
+    sigaction (SIGSEGV, &sa, NULL);            \
+  }                                            \
 while (0)
 
-# define INIT_SEGV                             \
-  do {                                         \
-      struct sigaction sa;                     \
-      sa.sa_sigaction = catch_segv;            \
-      sigemptyset (&sa.sa_mask);               \
-      sa.sa_flags = SA_SIGINFO | SA_NODEFER;   \
-      sigaction (SIGSEGV, &sa, NULL);          \
-    } while (0)
-
-# define INIT_FPE                              \
-  do {                                         \
-      struct sigaction sa;                     \
-      sa.sa_sigaction = catch_fpe;             \
-      sigemptyset (&sa.sa_mask);               \
-      sa.sa_flags = SA_SIGINFO | SA_NODEFER;   \
-      sigaction (SIGFPE, &sa, NULL);           \
-    } while (0)
+#define INIT_FPE                               \
+do                                             \
+  {                                            \
+    struct sigaction sa;                       \
+    sa.sa_sigaction = catch_fpe;               \
+    sigemptyset (&sa.sa_mask);                 \
+    sa.sa_flags = SA_SIGINFO | SA_NODEFER;     \
+    sigaction (SIGFPE, &sa, NULL);             \
+  }                                            \
+while (0)
 
 #endif /* JAVA_SIGNAL_H */

diff --git a/libjava/include/pa-signal.h b/libjava/include/pa-signal.h
index 0f7c054..add1325 100644 (file)
--- a/libjava/include/pa-signal.h
+++ b/libjava/include/pa-signal.h
@@ -1,6 +1,6 @@
 // pa-signal.h - Catch runtime signals and turn them into exceptions.
 
-/* Copyright (C) 1998, 1999, 2000  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2009  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -12,29 +12,17 @@ details.  */
 #define JAVA_SIGNAL_H 1
 
 #include <signal.h>
-#include <ucontext.h>
 #include <sys/syscall.h>
 
 #define HANDLE_SEGV 1
 #define HANDLE_FPE 1
 
-#define SIGNAL_HANDLER(_name)                                  \
-static void _Jv_##_name (int _dummy, siginfo_t *_info, void *arg)
+#define SIGNAL_HANDLER(_name)                                          \
+static void _Jv_##_name (int _dummy __attribute__ ((unused)),          \
+                        siginfo_t *_info __attribute__ ((__unused__)), \
+                        void *arg __attribute__ ((__unused__)))
 
-#define MAKE_THROW_FRAME(_exception)                           \
-do                                                             \
-{                                                              \
-  struct ucontext *uc = (struct ucontext *)arg;                        \
-  struct sigcontext *sc = &uc->uc_mcontext;                    \
-  (void)_dummy;                                                        \
-  (void)_info;                                                 \
-  /* Advance the program counter so that it is after the start         \
-     of the instruction:  the exception handler expects                \
-     the PC to point to the instruction after a call. */       \
-  sc->sc_iaoq[0] = sc->sc_iaoq[1];                             \
-  sc->sc_iaoq[1] += 4;                                         \
-}                                                              \
-while (0)
+#define MAKE_THROW_FRAME(_exception)
 
 #define INIT_SEGV                                              \
 do                                                             \