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2002-02-01 Adam Megacz <adam@xwt.org>

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* prims.cc
        (_Jv_CreateJavaVM): We now use WIN32 instead of
        USE_WIN32_SIGNALLING and USE_WINSOCK.
        (win32_exception_handler): Now throws an exception out of
        the signal handler; assumes SJLJ

From-SVN: r49429
This commit is contained in:
Adam Megacz 2002-02-02 04:34:15 +00:00 committed by Adam Megacz
parent a70cb11b6c
commit a7006428b6
2 changed files with 17 additions and 21 deletions
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8
libjava/ChangeLog
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@ -1,3 +1,11 @@
2002-02-01 Adam Megacz <adam@xwt.org>
* prims.cc
(_Jv_CreateJavaVM): We now use WIN32 instead of
USE_WIN32_SIGNALLING and USE_WINSOCK.
(win32_exception_handler): Now throws an exception out of
the signal handler; assumes SJLJ
2002-02-01 Adam Megacz
* win32-threads.cc:

30
libjava/prims.cc
View File

@ -10,14 +10,14 @@ details. */
#include <config.h>
#ifdef USE_WIN32_SIGNALLING
#ifdef WIN32
#include <windows.h>
#endif /* USE_WIN32_SIGNALLING */
#endif /* WIN32 */
#ifdef USE_WINSOCK
#ifdef WIN32
#undef __INSIDE_CYGWIN__
#include <winsock.h>
#endif /* USE_WINSOCK */
#endif /* WIN32 */
#include <stdlib.h>
#include <stdarg.h>
@ -730,28 +730,19 @@ _Jv_ThisExecutable (const char *name)
}
}
#ifdef USE_WIN32_SIGNALLING
#ifdef WIN32
extern "C" int* win32_get_restart_frame (void *);
LONG CALLBACK
win32_exception_handler (LPEXCEPTION_POINTERS e)
{
int* setjmp_buf;
if (e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
setjmp_buf = win32_get_restart_frame (nullp);
if (e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
_Jv_ThrowNullPointerException();
else if (e->ExceptionRecord->ExceptionCode == EXCEPTION_INT_DIVIDE_BY_ZERO)
setjmp_buf = win32_get_restart_frame (arithexception);
throw new java::lang::ArithmeticException;
else
return EXCEPTION_CONTINUE_SEARCH;
e->ContextRecord->Ebp = setjmp_buf[0];
// FIXME: Why does i386-signal.h increment the PC here, do we need to do it?
e->ContextRecord->Eip = setjmp_buf[1];
// FIXME: Is this the stack pointer? Do we need it?
e->ContextRecord->Esp = setjmp_buf[2];
return EXCEPTION_CONTINUE_EXECUTION;
}
#endif
@ -962,14 +953,11 @@ _Jv_CreateJavaVM (void* /*vm_args*/)
LTDL_SET_PRELOADED_SYMBOLS ();
#endif
#ifdef USE_WINSOCK
#ifdef WIN32
// Initialise winsock for networking
WSADATA data;
if (WSAStartup (MAKEWORD (1, 1), &data))
MessageBox (NULL, "Error initialising winsock library.", "Error", MB_OK | MB_ICONEXCLAMATION);
#endif /* USE_WINSOCK */
#ifdef USE_WIN32_SIGNALLING
// Install exception handler
SetUnhandledExceptionFilter (win32_exception_handler);
#elif defined(HAVE_SIGACTION)