mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 21:29:20 +00:00
Implement the signals interface for Win32.
Patch provided by Jeff Cohen. Thanks Jeff! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16380 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
fe785bd49d
commit
90b5413883
@ -2,7 +2,7 @@
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file was developed by Reid Spencer and is distributed under the
|
||||
// This file was developed by Jeff Cohen and is distributed under the
|
||||
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
@ -11,27 +11,204 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "Win32.h"
|
||||
#include <llvm/System/Signals.h>
|
||||
#include <vector>
|
||||
|
||||
#include "dbghelp.h"
|
||||
#include "psapi.h"
|
||||
|
||||
#pragma comment(lib, "psapi.lib")
|
||||
#pragma comment(lib, "dbghelp.lib")
|
||||
|
||||
// Forward declare.
|
||||
static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep);
|
||||
static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType);
|
||||
|
||||
static std::vector<std::string> *FilesToRemove = NULL;
|
||||
static std::vector<llvm::sys::Path> *DirectoriesToRemove = NULL;
|
||||
static bool RegisteredUnhandledExceptionFilter = false;
|
||||
static CRITICAL_SECTION CriticalSection;
|
||||
|
||||
namespace llvm {
|
||||
using namespace sys;
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
//=== WARNING: Implementation here must contain only Win32 specific code
|
||||
//=== and must not be generic UNIX code (see ../Unix/Signals.cpp)
|
||||
//=== and must not be UNIX code
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
|
||||
static void RegisterHandler() {
|
||||
if (RegisteredUnhandledExceptionFilter)
|
||||
return;
|
||||
|
||||
// Now's the time to create the critical section. This is the first time
|
||||
// through here, and there's only one thread.
|
||||
InitializeCriticalSection(&CriticalSection);
|
||||
|
||||
// Enter it immediately. Now if someone hits CTRL/C, the console handler
|
||||
// can't proceed until the globals are updated.
|
||||
EnterCriticalSection(&CriticalSection);
|
||||
|
||||
RegisteredUnhandledExceptionFilter = true;
|
||||
SetUnhandledExceptionFilter(LLVMUnhandledExceptionFilter);
|
||||
SetConsoleCtrlHandler(LLVMConsoleCtrlHandler, TRUE);
|
||||
|
||||
// IMPORTANT NOTE: Caller must call LeaveCriticalSection(&CriticalSection) or
|
||||
// else multi-threading problems will ensue.
|
||||
}
|
||||
|
||||
// RemoveFileOnSignal - The public API
|
||||
void llvm::RemoveFileOnSignal(const std::string &Filename) {
|
||||
void sys::RemoveFileOnSignal(const std::string &Filename) {
|
||||
RegisterHandler();
|
||||
|
||||
if (FilesToRemove == NULL)
|
||||
FilesToRemove = new std::vector<std::string>;
|
||||
|
||||
FilesToRemove->push_back(Filename);
|
||||
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
// RemoveDirectoryOnSignal - The public API
|
||||
void llvm::RemoveDirectoryOnSignal(const llvm::sys::Path& path) {
|
||||
void sys::RemoveDirectoryOnSignal(const sys::Path& path) {
|
||||
RegisterHandler();
|
||||
|
||||
if (path.is_directory()) {
|
||||
if (DirectoriesToRemove == NULL)
|
||||
DirectoriesToRemove = new std::vector<sys::Path>;
|
||||
|
||||
DirectoriesToRemove->push_back(path);
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
/// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or
|
||||
/// SIGSEGV) is delivered to the process, print a stack trace and then exit.
|
||||
void llvm::PrintStackTraceOnErrorSignal() {
|
||||
void sys::PrintStackTraceOnErrorSignal() {
|
||||
RegisterHandler();
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void Cleanup() {
|
||||
EnterCriticalSection(&CriticalSection);
|
||||
|
||||
if (FilesToRemove != NULL)
|
||||
while (!FilesToRemove->empty()) {
|
||||
try {
|
||||
std::remove(FilesToRemove->back().c_str());
|
||||
} catch (...) {
|
||||
}
|
||||
FilesToRemove->pop_back();
|
||||
}
|
||||
|
||||
if (DirectoriesToRemove != NULL)
|
||||
while (!DirectoriesToRemove->empty()) {
|
||||
try {
|
||||
DirectoriesToRemove->back().destroy_directory(true);
|
||||
} catch (...) {
|
||||
}
|
||||
DirectoriesToRemove->pop_back();
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep) {
|
||||
try {
|
||||
Cleanup();
|
||||
|
||||
// Initialize the STACKFRAME structure.
|
||||
STACKFRAME StackFrame;
|
||||
memset(&StackFrame, 0, sizeof(StackFrame));
|
||||
|
||||
StackFrame.AddrPC.Offset = ep->ContextRecord->Eip;
|
||||
StackFrame.AddrPC.Mode = AddrModeFlat;
|
||||
StackFrame.AddrStack.Offset = ep->ContextRecord->Esp;
|
||||
StackFrame.AddrStack.Mode = AddrModeFlat;
|
||||
StackFrame.AddrFrame.Offset = ep->ContextRecord->Ebp;
|
||||
StackFrame.AddrFrame.Mode = AddrModeFlat;
|
||||
|
||||
HANDLE hProcess = GetCurrentProcess();
|
||||
HANDLE hThread = GetCurrentThread();
|
||||
|
||||
// Initialize the symbol handler.
|
||||
SymSetOptions(SYMOPT_DEFERRED_LOADS|SYMOPT_LOAD_LINES);
|
||||
SymInitialize(GetCurrentProcess(), NULL, TRUE);
|
||||
|
||||
while (true) {
|
||||
if (!StackWalk(IMAGE_FILE_MACHINE_I386, hProcess, hThread, &StackFrame,
|
||||
ep->ContextRecord, NULL, SymFunctionTableAccess,
|
||||
SymGetModuleBase, NULL)) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (StackFrame.AddrFrame.Offset == 0)
|
||||
break;
|
||||
|
||||
// Print the PC in hexadecimal.
|
||||
DWORD PC = StackFrame.AddrPC.Offset;
|
||||
fprintf(stderr, "%04X:%08X", ep->ContextRecord->SegCs, PC);
|
||||
|
||||
// Print the parameters. Assume there are four.
|
||||
fprintf(stderr, " (0x%08X 0x%08X 0x%08X 0x%08X)", StackFrame.Params[0],
|
||||
StackFrame.Params[1], StackFrame.Params[2], StackFrame.Params[3]);
|
||||
|
||||
// Verify the PC belongs to a module in this process.
|
||||
if (!SymGetModuleBase(hProcess, PC)) {
|
||||
fputc('\n', stderr);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Print the symbol name.
|
||||
char buffer[512];
|
||||
IMAGEHLP_SYMBOL *symbol = reinterpret_cast<IMAGEHLP_SYMBOL *>(buffer);
|
||||
memset(symbol, 0, sizeof(IMAGEHLP_SYMBOL));
|
||||
symbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
|
||||
symbol->MaxNameLength = 512 - sizeof(IMAGEHLP_SYMBOL);
|
||||
|
||||
DWORD dwDisp;
|
||||
if (!SymGetSymFromAddr(hProcess, PC, &dwDisp, symbol)) {
|
||||
fputc('\n', stderr);
|
||||
continue;
|
||||
}
|
||||
|
||||
buffer[511] = 0;
|
||||
if (dwDisp > 0)
|
||||
fprintf(stderr, ", %s()+%04d bytes(s)", symbol->Name, dwDisp);
|
||||
else
|
||||
fprintf(stderr, ", %s", symbol->Name);
|
||||
|
||||
// Print the source file and line number information.
|
||||
IMAGEHLP_LINE line;
|
||||
memset(&line, 0, sizeof(line));
|
||||
line.SizeOfStruct = sizeof(line);
|
||||
if (SymGetLineFromAddr(hProcess, PC, &dwDisp, &line)) {
|
||||
fprintf(stderr, ", %s, line %d", line.FileName, line.LineNumber);
|
||||
if (dwDisp > 0)
|
||||
fprintf(stderr, "+%04d byte(s)", dwDisp);
|
||||
}
|
||||
|
||||
fputc('\n', stderr);
|
||||
}
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
assert(!"Crashed in LLVMUnhandledExceptionFilter");
|
||||
}
|
||||
|
||||
// Allow dialog box to pop up allowing choice to start debugger.
|
||||
return EXCEPTION_CONTINUE_SEARCH;
|
||||
}
|
||||
|
||||
static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType) {
|
||||
Cleanup();
|
||||
|
||||
// Allow normal processing to take place.
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
|
||||
|
@ -2,7 +2,7 @@
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file was developed by Reid Spencer and is distributed under the
|
||||
// This file was developed by Jeff Cohen and is distributed under the
|
||||
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
@ -11,27 +11,204 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "Win32.h"
|
||||
#include <llvm/System/Signals.h>
|
||||
#include <vector>
|
||||
|
||||
#include "dbghelp.h"
|
||||
#include "psapi.h"
|
||||
|
||||
#pragma comment(lib, "psapi.lib")
|
||||
#pragma comment(lib, "dbghelp.lib")
|
||||
|
||||
// Forward declare.
|
||||
static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep);
|
||||
static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType);
|
||||
|
||||
static std::vector<std::string> *FilesToRemove = NULL;
|
||||
static std::vector<llvm::sys::Path> *DirectoriesToRemove = NULL;
|
||||
static bool RegisteredUnhandledExceptionFilter = false;
|
||||
static CRITICAL_SECTION CriticalSection;
|
||||
|
||||
namespace llvm {
|
||||
using namespace sys;
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
//=== WARNING: Implementation here must contain only Win32 specific code
|
||||
//=== and must not be generic UNIX code (see ../Unix/Signals.cpp)
|
||||
//=== and must not be UNIX code
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
|
||||
static void RegisterHandler() {
|
||||
if (RegisteredUnhandledExceptionFilter)
|
||||
return;
|
||||
|
||||
// Now's the time to create the critical section. This is the first time
|
||||
// through here, and there's only one thread.
|
||||
InitializeCriticalSection(&CriticalSection);
|
||||
|
||||
// Enter it immediately. Now if someone hits CTRL/C, the console handler
|
||||
// can't proceed until the globals are updated.
|
||||
EnterCriticalSection(&CriticalSection);
|
||||
|
||||
RegisteredUnhandledExceptionFilter = true;
|
||||
SetUnhandledExceptionFilter(LLVMUnhandledExceptionFilter);
|
||||
SetConsoleCtrlHandler(LLVMConsoleCtrlHandler, TRUE);
|
||||
|
||||
// IMPORTANT NOTE: Caller must call LeaveCriticalSection(&CriticalSection) or
|
||||
// else multi-threading problems will ensue.
|
||||
}
|
||||
|
||||
// RemoveFileOnSignal - The public API
|
||||
void llvm::RemoveFileOnSignal(const std::string &Filename) {
|
||||
void sys::RemoveFileOnSignal(const std::string &Filename) {
|
||||
RegisterHandler();
|
||||
|
||||
if (FilesToRemove == NULL)
|
||||
FilesToRemove = new std::vector<std::string>;
|
||||
|
||||
FilesToRemove->push_back(Filename);
|
||||
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
// RemoveDirectoryOnSignal - The public API
|
||||
void llvm::RemoveDirectoryOnSignal(const llvm::sys::Path& path) {
|
||||
void sys::RemoveDirectoryOnSignal(const sys::Path& path) {
|
||||
RegisterHandler();
|
||||
|
||||
if (path.is_directory()) {
|
||||
if (DirectoriesToRemove == NULL)
|
||||
DirectoriesToRemove = new std::vector<sys::Path>;
|
||||
|
||||
DirectoriesToRemove->push_back(path);
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
/// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or
|
||||
/// SIGSEGV) is delivered to the process, print a stack trace and then exit.
|
||||
void llvm::PrintStackTraceOnErrorSignal() {
|
||||
void sys::PrintStackTraceOnErrorSignal() {
|
||||
RegisterHandler();
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void Cleanup() {
|
||||
EnterCriticalSection(&CriticalSection);
|
||||
|
||||
if (FilesToRemove != NULL)
|
||||
while (!FilesToRemove->empty()) {
|
||||
try {
|
||||
std::remove(FilesToRemove->back().c_str());
|
||||
} catch (...) {
|
||||
}
|
||||
FilesToRemove->pop_back();
|
||||
}
|
||||
|
||||
if (DirectoriesToRemove != NULL)
|
||||
while (!DirectoriesToRemove->empty()) {
|
||||
try {
|
||||
DirectoriesToRemove->back().destroy_directory(true);
|
||||
} catch (...) {
|
||||
}
|
||||
DirectoriesToRemove->pop_back();
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&CriticalSection);
|
||||
}
|
||||
|
||||
static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep) {
|
||||
try {
|
||||
Cleanup();
|
||||
|
||||
// Initialize the STACKFRAME structure.
|
||||
STACKFRAME StackFrame;
|
||||
memset(&StackFrame, 0, sizeof(StackFrame));
|
||||
|
||||
StackFrame.AddrPC.Offset = ep->ContextRecord->Eip;
|
||||
StackFrame.AddrPC.Mode = AddrModeFlat;
|
||||
StackFrame.AddrStack.Offset = ep->ContextRecord->Esp;
|
||||
StackFrame.AddrStack.Mode = AddrModeFlat;
|
||||
StackFrame.AddrFrame.Offset = ep->ContextRecord->Ebp;
|
||||
StackFrame.AddrFrame.Mode = AddrModeFlat;
|
||||
|
||||
HANDLE hProcess = GetCurrentProcess();
|
||||
HANDLE hThread = GetCurrentThread();
|
||||
|
||||
// Initialize the symbol handler.
|
||||
SymSetOptions(SYMOPT_DEFERRED_LOADS|SYMOPT_LOAD_LINES);
|
||||
SymInitialize(GetCurrentProcess(), NULL, TRUE);
|
||||
|
||||
while (true) {
|
||||
if (!StackWalk(IMAGE_FILE_MACHINE_I386, hProcess, hThread, &StackFrame,
|
||||
ep->ContextRecord, NULL, SymFunctionTableAccess,
|
||||
SymGetModuleBase, NULL)) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (StackFrame.AddrFrame.Offset == 0)
|
||||
break;
|
||||
|
||||
// Print the PC in hexadecimal.
|
||||
DWORD PC = StackFrame.AddrPC.Offset;
|
||||
fprintf(stderr, "%04X:%08X", ep->ContextRecord->SegCs, PC);
|
||||
|
||||
// Print the parameters. Assume there are four.
|
||||
fprintf(stderr, " (0x%08X 0x%08X 0x%08X 0x%08X)", StackFrame.Params[0],
|
||||
StackFrame.Params[1], StackFrame.Params[2], StackFrame.Params[3]);
|
||||
|
||||
// Verify the PC belongs to a module in this process.
|
||||
if (!SymGetModuleBase(hProcess, PC)) {
|
||||
fputc('\n', stderr);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Print the symbol name.
|
||||
char buffer[512];
|
||||
IMAGEHLP_SYMBOL *symbol = reinterpret_cast<IMAGEHLP_SYMBOL *>(buffer);
|
||||
memset(symbol, 0, sizeof(IMAGEHLP_SYMBOL));
|
||||
symbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
|
||||
symbol->MaxNameLength = 512 - sizeof(IMAGEHLP_SYMBOL);
|
||||
|
||||
DWORD dwDisp;
|
||||
if (!SymGetSymFromAddr(hProcess, PC, &dwDisp, symbol)) {
|
||||
fputc('\n', stderr);
|
||||
continue;
|
||||
}
|
||||
|
||||
buffer[511] = 0;
|
||||
if (dwDisp > 0)
|
||||
fprintf(stderr, ", %s()+%04d bytes(s)", symbol->Name, dwDisp);
|
||||
else
|
||||
fprintf(stderr, ", %s", symbol->Name);
|
||||
|
||||
// Print the source file and line number information.
|
||||
IMAGEHLP_LINE line;
|
||||
memset(&line, 0, sizeof(line));
|
||||
line.SizeOfStruct = sizeof(line);
|
||||
if (SymGetLineFromAddr(hProcess, PC, &dwDisp, &line)) {
|
||||
fprintf(stderr, ", %s, line %d", line.FileName, line.LineNumber);
|
||||
if (dwDisp > 0)
|
||||
fprintf(stderr, "+%04d byte(s)", dwDisp);
|
||||
}
|
||||
|
||||
fputc('\n', stderr);
|
||||
}
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
assert(!"Crashed in LLVMUnhandledExceptionFilter");
|
||||
}
|
||||
|
||||
// Allow dialog box to pop up allowing choice to start debugger.
|
||||
return EXCEPTION_CONTINUE_SEARCH;
|
||||
}
|
||||
|
||||
static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType) {
|
||||
Cleanup();
|
||||
|
||||
// Allow normal processing to take place.
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
|
||||
|
Loading…
Reference in New Issue
Block a user