mozilla
/
pjs
зеркало из https://github.com/mozilla/pjs.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

x86Win32ExceptionHandler.h => x86ExceptionHandler.h

This commit is contained in:
toshok%hungry.com 1999-11-27 23:38:58 +00:00
Родитель 9d7415a38e
Коммит b1e1abe173
5 изменённых файлов: 96 добавлений и 80 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

67
ef/Runtime/System/md/x86/Makefile
Просмотреть файл

@ -1,67 +0,0 @@
#!gmake
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
#######################################################################
# (1) Directory specific info #
#######################################################################
DEPTH = ../../../..
CPPSRCS = x86ExceptionHandler.cpp \
x86SysCallsRuntime.cpp \
$(NULL)
LOCAL_MD_EXPORTS_x86 = x86SysCallsRuntime.h \
x86Win32ExceptionHandler.h \
$(NULL)
MODULE_NAME = EF
include $(DEPTH)/config/config.mk
#######################################################################
# (3) Include "local" platform-dependent assignments (OPTIONAL). #
#######################################################################
ifeq ($(OS_ARCH),WINNT)
CPPSRCS += Win32ExceptionHandler.cpp \
x86Win32InvokeNative.cpp \
x86Win32Thread.cpp \
$(NULL)
LOCAL_MD_EXPORTS_x86 += x86Win32Thread.h \
$(NULL)
else
ASFILES = x86Exception_gas.s \
x86InvokeNative_gas.s \
$(NULL)
CPPSRCS += x86UnixishThread.cpp \
$(NULL)
LOCAL_MD_EXPORTS_x86 += x86UnixishThread.h \
$(NULL)
endif
include $(DEPTH)/config/rules.mk

2
ef/Runtime/System/md/x86/Win32ExceptionHandler.cpp
Просмотреть файл

@ -37,7 +37,7 @@
#include "NativeCodeCache.h"
#include "LogModule.h"
#include "x86Win32ExceptionHandler.h"
#include "x86ExceptionHandler.h"
// declarations
extern "C" SYSCALL_FUNC(void) x86SoftwareExceptionHandler(Uint32 EBP, Uint32 EDI, Uint32 ESI, Uint32 EBX, const JavaObject& inObject);

24
ef/Runtime/System/md/x86/x86ExceptionHandler.cpp
Просмотреть файл

@ -26,12 +26,12 @@
#include "SysCalls.h"
#include "prprf.h"
#include "x86Win32ExceptionHandler.h"
#include "x86ExceptionHandler.h"
#include "ExceptionTable.h"
#include "NativeCodeCache.h"
#include "LogModule.h"
UT_DEFINE_LOG_MODULE(Win32ExceptionHandler);
UT_DEFINE_LOG_MODULE(x86ExceptionHandler);
UT_DEFINE_LOG_MODULE(ExceptionRegs);
extern "C" SYSCALL_FUNC(void) x86JumpToHandler(const JavaObject* inObject, Uint8* handler, Uint32 EBX, Uint32 ESI, Uint32 EDI, Uint32* EBP, Uint32* ESP);
@ -139,7 +139,7 @@ extern "C" SYSCALL_FUNC(void) x86SoftwareExceptionHandler(Uint32 inEBP, Uint32 i
context.restoreESP = (Uint32*) ((Uint8*)context.sucessorEBP + 12);
// now that the context struct is filled we can print debugging information
DEBUG_LOG_ONLY(printExceptionBegin(UT_LOG_MODULE(Win32ExceptionHandler), &context));
DEBUG_LOG_ONLY(printExceptionBegin(UT_LOG_MODULE(x86ExceptionHandler), &context));
// find the exception handler
Uint8* handler = findExceptionHandler(&context);
@ -147,7 +147,7 @@ extern "C" SYSCALL_FUNC(void) x86SoftwareExceptionHandler(Uint32 inEBP, Uint32 i
// jump to it
UT_LOG(ExceptionRegs, PR_LOG_DEBUG, ("Exit: "));
DEBUG_LOG_ONLY(printRegs(UT_LOG_MODULE(ExceptionRegs), &context));
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("\n===============================\n\n"));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("\n===============================\n\n"));
assert(handler);
x86JumpToHandler(context.object, handler, context.EBX, context.ESI, context.EDI, context.sourceEBP, context.restoreESP);
}
@ -230,7 +230,7 @@ bool x86PopStackFrame(Context* context)
context->restoreESP = NULL;
}
DEBUG_LOG_ONLY(printContext(UT_LOG_MODULE(Win32ExceptionHandler), context));
DEBUG_LOG_ONLY(printContext(UT_LOG_MODULE(x86ExceptionHandler), context));
DEBUG_ONLY(checkForNativeStub(context));
return true;
}
@ -253,7 +253,7 @@ bool isGuardFrame(Context* context, bool printIdentifier = false)
if( ((Uint32)(sysInvokeNativeStubs[i]) + 9 + 5 * i) == retAddress)
{
if(printIdentifier)
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("Guard Frame (made by sysInvokeNative%d())\n", i));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("Guard Frame (made by sysInvokeNative%d())\n", i));
return true;
}
// check other stubs
@ -261,7 +261,7 @@ bool isGuardFrame(Context* context, bool printIdentifier = false)
if( ((Uint32)(sysInvokeNativeStubs[i]) + 23) == retAddress)
{
if(printIdentifier)
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("Guard Frame (made by sysInvokeNative(%d))\n", i));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("Guard Frame (made by sysInvokeNative(%d))\n", i));
return true;
}
@ -269,7 +269,7 @@ bool isGuardFrame(Context* context, bool printIdentifier = false)
if((Uint32)compileStubReEntryPoint == retAddress)
{
if(printIdentifier)
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("Guard Frame (staticCompileStub)\n"));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("Guard Frame (staticCompileStub)\n"));
DEBUG_LOG_ONLY(PR_fprintf(PR_STDOUT,"WARNING: exception unwinding past a static compile stub\n"));
return true;
}
@ -426,16 +426,16 @@ Uint8* findExceptionHandler(Context* context)
if (!x86PopStackFrame(context)) // when popStack() fails, we are faced with an uncaught exception
{
Uint8* uncaughtHandler = uncaughtExceptionExit(context);
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("\n-------------------------------\n"));
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("Uncaught Exception -- jumping to handler at 0x%p\n", uncaughtHandler));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("\n-------------------------------\n"));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("Uncaught Exception -- jumping to handler at 0x%p\n", uncaughtHandler));
return uncaughtHandler;
}
}
Uint8* pHandler = context->sourceCE->eTable->getStart()+ete->pHandler;
assert(pHandler);
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("\n-------------------------------\n"));
UT_LOG(Win32ExceptionHandler, PR_LOG_DEBUG, ("Matched to catch handler at %p\n\n", pHandler));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("\n-------------------------------\n"));
UT_LOG(x86ExceptionHandler, PR_LOG_DEBUG, ("Matched to catch handler at %p\n\n", pHandler));
assert(context->restoreESP != NULL); // restore ESP must not be null, could mean that we are trying to return to a native method, NYI
return pHandler;
}

83
ef/Runtime/System/md/x86/x86ExceptionHandler.h Normal file
Просмотреть файл

@ -0,0 +1,83 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// x86ExceptionHandler.h
//
// simon
#ifndef _X86EXCEPTIONHANDLER_H_
#define _X86EXCEPTIONHANDLER_H_
#if defined(_WIN32)
#include <excpt.h>
#endif
#include "SysCallsRuntime.h"
#include "Fundamentals.h"
#include "LogModule.h"
struct JavaObject;
struct CacheEntry;
extern void* sysInvokeNativeStubs[];
//--------------------------------------------------------------------------------
// Do not mess with ordering!
struct Context
{
// save registers
Uint32 EBX;
Uint32 ESI;
Uint32 EDI;
Uint32* sourceEBP;
Uint32* sucessorEBP;
Uint8* sourceAddress;
Uint32* restoreESP; // where ESP should be set if returning back to this frame
CacheEntry* sourceCE;
CacheEntry* successorCE;
JavaObject* object;
};
#if defined(_WIN32)
NS_EXTERN EXCEPTION_DISPOSITION win32HardwareThrow(struct _EXCEPTION_RECORD *ExceptionRecord,
void * EstablisherFrame,
struct _CONTEXT *ContextRecord,
void * DispatcherContext);
NS_EXTERN EXCEPTION_DISPOSITION win32HardwareThrowExit(struct _EXCEPTION_RECORD *ExceptionRecord,
void * EstablisherFrame,
struct _CONTEXT *ContextRecord,
void * DispatcherContext);
#endif
#ifdef DEBUG
void printContext(LogModuleObject &f, Context* context);
#endif // DEBUG
//--------------------------------------------------------------------------------
#endif // _X86EXCEPTIONHANDLER_H_

0
ef/Runtime/System/md/x86/x86Win32ExceptionHandler.h
Просмотреть файл