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| author | Andrew Haley <aph@cygnus.com> | 1999-04-13 09:18:09 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 1999-04-13 09:18:09 +0000 |
| commit | a4e44caa6d2a951af67aefb76ee22f7735bf293b (patch) | |
| tree | cf855e7be72eac99926b727b8a0fd3ad8e4cccde /libjava/include | |
| parent | 0e8285f1200b2feb78876c3edfe53637cf2577da (diff) | |
| download | gcc-a4e44caa6d2a951af67aefb76ee22f7735bf293b.zip gcc-a4e44caa6d2a951af67aefb76ee22f7735bf293b.tar.gz gcc-a4e44caa6d2a951af67aefb76ee22f7735bf293b.tar.bz2 | |
i386-signal.h, [...]: New files.
1999-04-13 Andrew Haley <aph@cygnus.com>
* include/i386-signal.h, include/default-signal.h: New files.
* prims.cc (catch_segv): Call MAKE_THROW_FRAME in exception
handler.
(catch_fpe): New function.
* configure.in: Make link to appropriate include/java-signal.h.
* configure: Rebuilt.
* Makefile.am: include/java-signal.h added to dependency list.
* Makefile.in: Rebuilt.
From-SVN: r26400
Diffstat (limited to 'libjava/include')
| -rw-r--r-- | libjava/include/default-signal.h | 18 | ||||
| -rw-r--r-- | libjava/include/i386-signal.h | 38 |
2 files changed, 56 insertions, 0 deletions
diff --git a/libjava/include/default-signal.h b/libjava/include/default-signal.h new file mode 100644 index 0000000..63ba129 --- /dev/null +++ b/libjava/include/default-signal.h @@ -0,0 +1,18 @@ +// default-signal.h - Catch runtime signals and turn them into exceptions. + +/* Copyright (C) 1998, 1999 Cygnus Solutions + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +#ifndef JAVA_SIGNAL_H +#define JAVA_SIGNAL_H 1 + +#undef HANDLE_SEGV +#undef HANDLE_FPE + +#endif /* JAVA_SIGNAL_H */ + diff --git a/libjava/include/i386-signal.h b/libjava/include/i386-signal.h new file mode 100644 index 0000000..de893af --- /dev/null +++ b/libjava/include/i386-signal.h @@ -0,0 +1,38 @@ +// i386-signal.h - Catch runtime signals and turn them into exceptions. + +/* Copyright (C) 1998, 1999 Cygnus Solutions + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +/* This technique should work for all i386 based Unices which conform + to iBCS2. This includes all versions of Linux more recent than + version 1.3 */ + + +#ifndef JAVA_SIGNAL_H +#define JAVA_SIGNAL_H 1 + +#include <signal.h> + +#define HANDLE_SEGV 1 +#define HANDLE_FPE 1 + + +#define MAKE_THROW_FRAME(_dummy) \ +{ \ + void **_p = (void **)&_dummy; \ + struct sigcontext_struct *_regs = (struct sigcontext_struct *)++_p; \ + \ + register unsigned long _ebp = _regs->ebp; \ + register unsigned long _eip = _regs->eip; \ + \ + asm volatile ("mov %0, (%%ebp); mov %1, 4(%%ebp)" \ + : : "r"(_ebp), "r"(_eip)); \ +} + +#endif /* JAVA_SIGNAL_H */ + |