зеркало из https://github.com/mozilla/gecko-dev.git
Merge nsStackFrameWin and nsStackFrameUnix into nsStackWalk. b=391793 r+a=bsmedberg
This commit is contained in:
dbaron@dbaron.org
Родитель
e1b4390a58
Коммит
83079fbffd
|
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@ -1,411 +0,0 @@
|
|||
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||||
*
|
||||
* ***** BEGIN LICENSE BLOCK *****
|
||||
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla 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/MPL/
|
||||
*
|
||||
* 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 nsStackFrameWin.h code, released
|
||||
* December 20, 2000.
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 2003
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
||||
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <math.h>
|
||||
#include "nscore.h"
|
||||
#include <stdio.h>
|
||||
#include "plstr.h"
|
||||
|
||||
// On glibc 2.1, the Dl_info api defined in <dlfcn.h> is only exposed
|
||||
// if __USE_GNU is defined. I suppose its some kind of standards
|
||||
// adherence thing.
|
||||
//
|
||||
#if (__GLIBC_MINOR__ >= 1) && !defined(__USE_GNU)
|
||||
#define __USE_GNU
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LIBDL
|
||||
#include <dlfcn.h>
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
// This thing is exported by libstdc++
|
||||
// Yes, this is a gcc only hack
|
||||
#if defined(MOZ_DEMANGLE_SYMBOLS)
|
||||
#include <cxxabi.h>
|
||||
#include <stdlib.h> // for free()
|
||||
#endif // MOZ_DEMANGLE_SYMBOLS
|
||||
|
||||
void DemangleSymbol(const char * aSymbol,
|
||||
char * aBuffer,
|
||||
int aBufLen)
|
||||
{
|
||||
aBuffer[0] = '\0';
|
||||
|
||||
#if defined(MOZ_DEMANGLE_SYMBOLS)
|
||||
/* See demangle.h in the gcc source for the voodoo */
|
||||
char * demangled = abi::__cxa_demangle(aSymbol,0,0,0);
|
||||
|
||||
if (demangled)
|
||||
{
|
||||
strncpy(aBuffer,demangled,aBufLen);
|
||||
free(demangled);
|
||||
}
|
||||
#endif // MOZ_DEMANGLE_SYMBOLS
|
||||
}
|
||||
|
||||
|
||||
#if defined(linux) && defined(__GNUC__) && (defined(__i386) || defined(PPC) || defined(__x86_64__)) // i386 or PPC Linux stackwalking code
|
||||
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_StackWalk(NS_WalkStackCallback aCallback, PRUint32 aSkipFrames,
|
||||
void *aClosure)
|
||||
{
|
||||
// Stack walking code courtesy Kipp's "leaky".
|
||||
|
||||
// Get the frame pointer
|
||||
void **bp;
|
||||
#if defined(__i386)
|
||||
__asm__( "movl %%ebp, %0" : "=g"(bp));
|
||||
#elif defined(__x86_64__)
|
||||
__asm__( "movq %%rbp, %0" : "=g"(bp));
|
||||
#else
|
||||
// It would be nice if this worked uniformly, but at least on i386 and
|
||||
// x86_64, it stopped working with gcc 4.1, because it points to the
|
||||
// end of the saved registers instead of the start.
|
||||
bp = (void**) __builtin_frame_address(0);
|
||||
#endif
|
||||
|
||||
int skip = aSkipFrames;
|
||||
for ( ; (void**)*bp > bp; bp = (void**)*bp) {
|
||||
void *pc = *(bp+1);
|
||||
if (--skip < 0) {
|
||||
(*aCallback)(pc, aClosure);
|
||||
}
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_DescribeCodeAddress(void *aPC, nsCodeAddressDetails *aDetails)
|
||||
{
|
||||
aDetails->library[0] = '\0';
|
||||
aDetails->loffset = 0;
|
||||
aDetails->filename[0] = '\0';
|
||||
aDetails->lineno = 0;
|
||||
aDetails->function[0] = '\0';
|
||||
aDetails->foffset = 0;
|
||||
|
||||
Dl_info info;
|
||||
int ok = dladdr(aPC, &info);
|
||||
if (!ok) {
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
PL_strncpyz(aDetails->library, info.dli_fname, sizeof(aDetails->library));
|
||||
aDetails->loffset = (char*)aPC - (char*)info.dli_fbase;
|
||||
|
||||
const char * symbol = info.dli_sname;
|
||||
int len;
|
||||
if (!symbol || !(len = strlen(symbol))) {
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
char demangled[4096] = "\0";
|
||||
|
||||
DemangleSymbol(symbol, demangled, sizeof(demangled));
|
||||
|
||||
if (strlen(demangled)) {
|
||||
symbol = demangled;
|
||||
len = strlen(symbol);
|
||||
}
|
||||
|
||||
PL_strncpyz(aDetails->function, symbol, sizeof(aDetails->function));
|
||||
aDetails->foffset = (char*)aPC - (char*)info.dli_saddr;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_FormatCodeAddressDetails(void *aPC, const nsCodeAddressDetails *aDetails,
|
||||
char *aBuffer, PRUint32 aBufferSize)
|
||||
{
|
||||
if (!aDetails->library[0]) {
|
||||
snprintf(aBuffer, aBufferSize, "UNKNOWN %p\n", aPC);
|
||||
} else if (!aDetails->function[0]) {
|
||||
snprintf(aBuffer, aBufferSize, "UNKNOWN [%s +0x%08lX]\n",
|
||||
aDetails->library, aDetails->loffset);
|
||||
} else {
|
||||
snprintf(aBuffer, aBufferSize, "%s+0x%08lX [%s +0x%08lX]\n",
|
||||
aDetails->function, aDetails->foffset,
|
||||
aDetails->library, aDetails->loffset);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
#elif defined(__sun) && (defined(__sparc) || defined(sparc) || defined(__i386) || defined(i386))
|
||||
|
||||
/*
|
||||
* Stack walking code for Solaris courtesy of Bart Smaalder's "memtrak".
|
||||
*/
|
||||
|
||||
#include <synch.h>
|
||||
#include <ucontext.h>
|
||||
#include <sys/frame.h>
|
||||
#include <sys/regset.h>
|
||||
#include <sys/stack.h>
|
||||
|
||||
static int load_address ( void * pc, void * arg );
|
||||
static struct bucket * newbucket ( void * pc );
|
||||
static struct frame * cs_getmyframeptr ( void );
|
||||
static void cs_walk_stack ( void * (*read_func)(char * address),
|
||||
struct frame * fp,
|
||||
int (*operate_func)(void *, void *),
|
||||
void * usrarg );
|
||||
static void cs_operate ( void (*operate_func)(void *, void *),
|
||||
void * usrarg );
|
||||
|
||||
#ifndef STACK_BIAS
|
||||
#define STACK_BIAS 0
|
||||
#endif /*STACK_BIAS*/
|
||||
|
||||
#define LOGSIZE 4096
|
||||
|
||||
/* type of demangling function */
|
||||
typedef int demf_t(const char *, char *, size_t);
|
||||
|
||||
static demf_t *demf;
|
||||
|
||||
static int initialized = 0;
|
||||
|
||||
#if defined(sparc) || defined(__sparc)
|
||||
#define FRAME_PTR_REGISTER REG_SP
|
||||
#endif
|
||||
|
||||
#if defined(i386) || defined(__i386)
|
||||
#define FRAME_PTR_REGISTER EBP
|
||||
#endif
|
||||
|
||||
struct bucket {
|
||||
void * pc;
|
||||
int index;
|
||||
struct bucket * next;
|
||||
};
|
||||
|
||||
struct my_user_args {
|
||||
NS_WalkStackCallback callback;
|
||||
PRUint32 skipFrames;
|
||||
void *closure;
|
||||
};
|
||||
|
||||
|
||||
static void myinit();
|
||||
|
||||
#pragma init (myinit)
|
||||
|
||||
static void
|
||||
myinit()
|
||||
{
|
||||
|
||||
if (! initialized) {
|
||||
#ifndef __GNUC__
|
||||
void *handle;
|
||||
const char *libdem = "libdemangle.so.1";
|
||||
|
||||
/* load libdemangle if we can and need to (only try this once) */
|
||||
if ((handle = dlopen(libdem, RTLD_LAZY)) != NULL) {
|
||||
demf = (demf_t *)dlsym(handle,
|
||||
"cplus_demangle"); /*lint !e611 */
|
||||
/*
|
||||
* lint override above is to prevent lint from
|
||||
* complaining about "suspicious cast".
|
||||
*/
|
||||
}
|
||||
#endif /*__GNUC__*/
|
||||
}
|
||||
initialized = 1;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
load_address(void * pc, void * arg )
|
||||
{
|
||||
static struct bucket table[2048];
|
||||
static mutex_t lock;
|
||||
struct bucket * ptr;
|
||||
struct my_user_args * args = (struct my_user_args *) arg;
|
||||
|
||||
unsigned int val = NS_PTR_TO_INT32(pc);
|
||||
|
||||
ptr = table + ((val >> 2)&2047);
|
||||
|
||||
mutex_lock(&lock);
|
||||
while (ptr->next) {
|
||||
if (ptr->next->pc == pc)
|
||||
break;
|
||||
ptr = ptr->next;
|
||||
}
|
||||
|
||||
if (ptr->next) {
|
||||
mutex_unlock(&lock);
|
||||
} else {
|
||||
(args->callback)(pc, args->closure);
|
||||
|
||||
ptr->next = newbucket(pc);
|
||||
mutex_unlock(&lock);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static struct bucket *
|
||||
newbucket(void * pc)
|
||||
{
|
||||
struct bucket * ptr = (struct bucket *) malloc(sizeof (*ptr));
|
||||
static int index; /* protected by lock in caller */
|
||||
|
||||
ptr->index = index++;
|
||||
ptr->next = NULL;
|
||||
ptr->pc = pc;
|
||||
return (ptr);
|
||||
}
|
||||
|
||||
|
||||
static struct frame *
|
||||
csgetframeptr()
|
||||
{
|
||||
ucontext_t u;
|
||||
struct frame *fp;
|
||||
|
||||
(void) getcontext(&u);
|
||||
|
||||
fp = (struct frame *)
|
||||
((char *)u.uc_mcontext.gregs[FRAME_PTR_REGISTER] +
|
||||
STACK_BIAS);
|
||||
|
||||
/* make sure to return parents frame pointer.... */
|
||||
|
||||
return ((struct frame *)((ulong_t)fp->fr_savfp + STACK_BIAS));
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
cswalkstack(struct frame *fp, int (*operate_func)(void *, void *),
|
||||
void *usrarg)
|
||||
{
|
||||
|
||||
while (fp != 0 && fp->fr_savpc != 0) {
|
||||
|
||||
if (operate_func((void *)fp->fr_savpc, usrarg) != 0)
|
||||
break;
|
||||
/*
|
||||
* watch out - libthread stacks look funny at the top
|
||||
* so they may not have their STACK_BIAS set
|
||||
*/
|
||||
|
||||
fp = (struct frame *)((ulong_t)fp->fr_savfp +
|
||||
(fp->fr_savfp?(ulong_t)STACK_BIAS:0));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
cs_operate(int (*operate_func)(void *, void *), void * usrarg)
|
||||
{
|
||||
cswalkstack(csgetframeptr(), operate_func, usrarg);
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_StackWalk(NS_WalkStackCallback aCallback, PRUint32 aSkipFrames,
|
||||
void *aClosure)
|
||||
{
|
||||
struct my_user_args args;
|
||||
|
||||
if (!initialized)
|
||||
myinit();
|
||||
|
||||
args.callback = aCallback;
|
||||
args.skipFrames = aSkipFrames; /* XXX Not handled! */
|
||||
args.closure = aClosure;
|
||||
cs_operate(load_address, &args);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_DescribeCodeAddress(void *aPC, nsCodeAddressDetails *aDetails)
|
||||
{
|
||||
aDetails->library[0] = '\0';
|
||||
aDetails->loffset = 0;
|
||||
aDetails->filename[0] = '\0';
|
||||
aDetails->lineno = 0;
|
||||
aDetails->function[0] = '\0';
|
||||
aDetails->foffset = 0;
|
||||
|
||||
char dembuff[4096];
|
||||
Dl_info info;
|
||||
|
||||
if (dladdr(aPC, & info)) {
|
||||
if (info.dli_fname) {
|
||||
PL_strncpyz(aDetails->library, info.dli_fname,
|
||||
sizeof(aDetails->library));
|
||||
aDetails->loffset = (char*)aPC - (char*)info.dli_fbase;
|
||||
}
|
||||
if (info.dli_sname) {
|
||||
aDetails->foffset = (char*)aPC - (char*)info.dli_saddr;
|
||||
#ifdef __GNUC__
|
||||
DemangleSymbol(info.dli_sname, dembuff, sizeof(dembuff));
|
||||
#else
|
||||
if (!demf || demf(info.dli_sname, dembuff, sizeof (dembuff)))
|
||||
dembuff[0] = 0;
|
||||
#endif /*__GNUC__*/
|
||||
PL_strncpyz(aDetails->function,
|
||||
(dembuff[0] != '\0') ? dembuff : info.dli_sname,
|
||||
sizeof(aDetails->function));
|
||||
}
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_FormatCodeAddressDetails(void *aPC, const nsCodeAddressDetails *aDetails,
|
||||
char *aBuffer, PRUint32 aBufferSize)
|
||||
{
|
||||
snprintf(aBuffer, aBufferSize, "%p %s:%s+0x%lx\n",
|
||||
aPC,
|
||||
aDetails->library[0] ? aDetails->library : "??",
|
||||
aDetails->function[0] ? aDetails->function : "??",
|
||||
aDetails->foffset);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -1,868 +0,0 @@
|
|||
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||||
*
|
||||
* ***** BEGIN LICENSE BLOCK *****
|
||||
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla 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/MPL/
|
||||
*
|
||||
* 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 nsStackFrameWin.h code, released
|
||||
* December 20, 2003.
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 2003
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
* Michael Judge, 20-December-2000
|
||||
*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
||||
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
|
||||
#include "nscore.h"
|
||||
#include <windows.h>
|
||||
#include <stdio.h>
|
||||
#include "nsStackFrameWin.h"
|
||||
#include "plstr.h"
|
||||
|
||||
// Define these as static pointers so that we can load the DLL on the
|
||||
// fly (and not introduce a link-time dependency on it). Tip o' the
|
||||
// hat to Matt Pietrick for this idea. See:
|
||||
//
|
||||
// http://msdn.microsoft.com/library/periodic/period97/F1/D3/S245C6.htm
|
||||
//
|
||||
|
||||
|
||||
PR_BEGIN_EXTERN_C
|
||||
|
||||
SYMSETOPTIONSPROC _SymSetOptions;
|
||||
|
||||
SYMINITIALIZEPROC _SymInitialize;
|
||||
|
||||
SYMCLEANUPPROC _SymCleanup;
|
||||
|
||||
STACKWALKPROC _StackWalk;
|
||||
#ifdef USING_WXP_VERSION
|
||||
STACKWALKPROC64 _StackWalk64;
|
||||
#else
|
||||
#define _StackWalk64 0
|
||||
#endif
|
||||
|
||||
SYMFUNCTIONTABLEACCESSPROC _SymFunctionTableAccess;
|
||||
#ifdef USING_WXP_VERSION
|
||||
SYMFUNCTIONTABLEACCESSPROC64 _SymFunctionTableAccess64;
|
||||
#else
|
||||
#define _SymFunctionTableAccess64 0
|
||||
#endif
|
||||
|
||||
SYMGETMODULEBASEPROC _SymGetModuleBase;
|
||||
#ifdef USING_WXP_VERSION
|
||||
SYMGETMODULEBASEPROC64 _SymGetModuleBase64;
|
||||
#else
|
||||
#define _SymGetModuleBase64 0
|
||||
#endif
|
||||
|
||||
SYMGETSYMFROMADDRPROC _SymGetSymFromAddr;
|
||||
#ifdef USING_WXP_VERSION
|
||||
SYMFROMADDRPROC _SymFromAddr;
|
||||
#else
|
||||
#define _SymFromAddr 0
|
||||
#endif
|
||||
|
||||
SYMLOADMODULE _SymLoadModule;
|
||||
#ifdef USING_WXP_VERSION
|
||||
SYMLOADMODULE64 _SymLoadModule64;
|
||||
#else
|
||||
#define _SymLoadModule64 0
|
||||
#endif
|
||||
|
||||
SYMUNDNAME _SymUnDName;
|
||||
|
||||
SYMGETMODULEINFO _SymGetModuleInfo;
|
||||
#ifdef USING_WXP_VERSION
|
||||
SYMGETMODULEINFO64 _SymGetModuleInfo64;
|
||||
#else
|
||||
#define _SymGetModuleInfo64 0
|
||||
#endif
|
||||
|
||||
ENUMLOADEDMODULES _EnumerateLoadedModules;
|
||||
#ifdef USING_WXP_VERSION
|
||||
ENUMLOADEDMODULES64 _EnumerateLoadedModules64;
|
||||
#else
|
||||
#define _EnumerateLoadedModules64 0
|
||||
#endif
|
||||
|
||||
SYMGETLINEFROMADDRPROC _SymGetLineFromAddr;
|
||||
#ifdef USING_WXP_VERSION
|
||||
SYMGETLINEFROMADDRPROC64 _SymGetLineFromAddr64;
|
||||
#else
|
||||
#define _SymGetLineFromAddr64 0
|
||||
#endif
|
||||
|
||||
HANDLE hStackWalkMutex;
|
||||
|
||||
PR_END_EXTERN_C
|
||||
|
||||
// Routine to print an error message to standard error.
|
||||
// Will also call callback with error, if data supplied.
|
||||
void PrintError(char *prefix)
|
||||
{
|
||||
LPVOID lpMsgBuf;
|
||||
DWORD lastErr = GetLastError();
|
||||
FormatMessage(
|
||||
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
|
||||
NULL,
|
||||
lastErr,
|
||||
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
|
||||
(LPTSTR) &lpMsgBuf,
|
||||
0,
|
||||
NULL
|
||||
);
|
||||
fprintf(stderr, "### ERROR: %s: %s", prefix, lpMsgBuf);
|
||||
fflush(stderr);
|
||||
LocalFree( lpMsgBuf );
|
||||
}
|
||||
|
||||
PRBool
|
||||
EnsureImageHlpInitialized()
|
||||
{
|
||||
static PRBool gInitialized = PR_FALSE;
|
||||
|
||||
if (gInitialized)
|
||||
return gInitialized;
|
||||
|
||||
// Create a mutex with no initial owner.
|
||||
hStackWalkMutex = CreateMutex(
|
||||
NULL, // default security attributes
|
||||
FALSE, // initially not owned
|
||||
NULL); // unnamed mutex
|
||||
|
||||
if (hStackWalkMutex == NULL) {
|
||||
PrintError("CreateMutex");
|
||||
return PR_FALSE;
|
||||
}
|
||||
|
||||
HMODULE module = ::LoadLibrary("DBGHELP.DLL");
|
||||
if (!module) {
|
||||
module = ::LoadLibrary("IMAGEHLP.DLL");
|
||||
if (!module) return PR_FALSE;
|
||||
}
|
||||
|
||||
_SymSetOptions = (SYMSETOPTIONSPROC) ::GetProcAddress(module, "SymSetOptions");
|
||||
if (!_SymSetOptions) return PR_FALSE;
|
||||
|
||||
_SymInitialize = (SYMINITIALIZEPROC) ::GetProcAddress(module, "SymInitialize");
|
||||
if (!_SymInitialize) return PR_FALSE;
|
||||
|
||||
_SymCleanup = (SYMCLEANUPPROC)GetProcAddress(module, "SymCleanup");
|
||||
if (!_SymCleanup) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_StackWalk64 = (STACKWALKPROC64)GetProcAddress(module, "StackWalk64");
|
||||
#endif
|
||||
_StackWalk = (STACKWALKPROC)GetProcAddress(module, "StackWalk");
|
||||
if (!_StackWalk64 && !_StackWalk) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_SymFunctionTableAccess64 = (SYMFUNCTIONTABLEACCESSPROC64) GetProcAddress(module, "SymFunctionTableAccess64");
|
||||
#endif
|
||||
_SymFunctionTableAccess = (SYMFUNCTIONTABLEACCESSPROC) GetProcAddress(module, "SymFunctionTableAccess");
|
||||
if (!_SymFunctionTableAccess64 && !_SymFunctionTableAccess) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_SymGetModuleBase64 = (SYMGETMODULEBASEPROC64)GetProcAddress(module, "SymGetModuleBase64");
|
||||
#endif
|
||||
_SymGetModuleBase = (SYMGETMODULEBASEPROC)GetProcAddress(module, "SymGetModuleBase");
|
||||
if (!_SymGetModuleBase64 && !_SymGetModuleBase) return PR_FALSE;
|
||||
|
||||
_SymGetSymFromAddr = (SYMGETSYMFROMADDRPROC)GetProcAddress(module, "SymGetSymFromAddr");
|
||||
#ifdef USING_WXP_VERSION
|
||||
_SymFromAddr = (SYMFROMADDRPROC)GetProcAddress(module, "SymFromAddr");
|
||||
#endif
|
||||
if (!_SymFromAddr && !_SymGetSymFromAddr) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_SymLoadModule64 = (SYMLOADMODULE64)GetProcAddress(module, "SymLoadModule64");
|
||||
#endif
|
||||
_SymLoadModule = (SYMLOADMODULE)GetProcAddress(module, "SymLoadModule");
|
||||
if (!_SymLoadModule64 && !_SymLoadModule) return PR_FALSE;
|
||||
|
||||
_SymUnDName = (SYMUNDNAME)GetProcAddress(module, "SymUnDName");
|
||||
if (!_SymUnDName) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_SymGetModuleInfo64 = (SYMGETMODULEINFO64)GetProcAddress(module, "SymGetModuleInfo64");
|
||||
#endif
|
||||
_SymGetModuleInfo = (SYMGETMODULEINFO)GetProcAddress(module, "SymGetModuleInfo");
|
||||
if (!_SymGetModuleInfo64 && !_SymGetModuleInfo) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_EnumerateLoadedModules64 = (ENUMLOADEDMODULES64)GetProcAddress(module, "EnumerateLoadedModules64");
|
||||
#endif
|
||||
_EnumerateLoadedModules = (ENUMLOADEDMODULES)GetProcAddress(module, "EnumerateLoadedModules");
|
||||
if (!_EnumerateLoadedModules64 && !_EnumerateLoadedModules) return PR_FALSE;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
_SymGetLineFromAddr64 = (SYMGETLINEFROMADDRPROC64)GetProcAddress(module, "SymGetLineFromAddr64");
|
||||
#endif
|
||||
_SymGetLineFromAddr = (SYMGETLINEFROMADDRPROC)GetProcAddress(module, "SymGetLineFromAddr");
|
||||
if (!_SymGetLineFromAddr64 && !_SymGetLineFromAddr) return PR_FALSE;
|
||||
|
||||
return gInitialized = PR_TRUE;
|
||||
}
|
||||
|
||||
|
||||
static BOOL CALLBACK callbackEspecial(
|
||||
LPSTR aModuleName,
|
||||
DWORD aModuleBase,
|
||||
ULONG aModuleSize,
|
||||
PVOID aUserContext)
|
||||
{
|
||||
BOOL retval = TRUE;
|
||||
DWORD addr = *(DWORD*)aUserContext;
|
||||
|
||||
/*
|
||||
* You'll want to control this if we are running on an
|
||||
* architecture where the addresses go the other direction.
|
||||
* Not sure this is even a realistic consideration.
|
||||
*/
|
||||
const BOOL addressIncreases = TRUE;
|
||||
|
||||
/*
|
||||
* If it falls inside the known range, load the symbols.
|
||||
*/
|
||||
if (addressIncreases
|
||||
? (addr >= aModuleBase && addr <= (aModuleBase + aModuleSize))
|
||||
: (addr <= aModuleBase && addr >= (aModuleBase - aModuleSize))
|
||||
) {
|
||||
retval = _SymLoadModule(GetCurrentProcess(), NULL, aModuleName, NULL, aModuleBase, aModuleSize);
|
||||
}
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
static BOOL CALLBACK callbackEspecial64(
|
||||
PTSTR aModuleName,
|
||||
DWORD64 aModuleBase,
|
||||
ULONG aModuleSize,
|
||||
PVOID aUserContext)
|
||||
{
|
||||
#ifdef USING_WXP_VERSION
|
||||
BOOL retval = TRUE;
|
||||
DWORD64 addr = *(DWORD64*)aUserContext;
|
||||
|
||||
/*
|
||||
* You'll want to control this if we are running on an
|
||||
* architecture where the addresses go the other direction.
|
||||
* Not sure this is even a realistic consideration.
|
||||
*/
|
||||
const BOOL addressIncreases = TRUE;
|
||||
|
||||
/*
|
||||
* If it falls in side the known range, load the symbols.
|
||||
*/
|
||||
if (addressIncreases
|
||||
? (addr >= aModuleBase && addr <= (aModuleBase + aModuleSize))
|
||||
: (addr <= aModuleBase && addr >= (aModuleBase - aModuleSize))
|
||||
) {
|
||||
retval = _SymLoadModule64(GetCurrentProcess(), NULL, aModuleName, NULL, aModuleBase, aModuleSize);
|
||||
}
|
||||
|
||||
return retval;
|
||||
#else
|
||||
return FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
* SymGetModuleInfoEspecial
|
||||
*
|
||||
* Attempt to determine the module information.
|
||||
* Bug 112196 says this DLL may not have been loaded at the time
|
||||
* SymInitialize was called, and thus the module information
|
||||
* and symbol information is not available.
|
||||
* This code rectifies that problem.
|
||||
*/
|
||||
BOOL SymGetModuleInfoEspecial(HANDLE aProcess, DWORD aAddr, PIMAGEHLP_MODULE aModuleInfo, PIMAGEHLP_LINE aLineInfo)
|
||||
{
|
||||
BOOL retval = FALSE;
|
||||
|
||||
/*
|
||||
* Init the vars if we have em.
|
||||
*/
|
||||
aModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE);
|
||||
if (nsnull != aLineInfo) {
|
||||
aLineInfo->SizeOfStruct = sizeof(IMAGEHLP_LINE);
|
||||
}
|
||||
|
||||
/*
|
||||
* Give it a go.
|
||||
* It may already be loaded.
|
||||
*/
|
||||
retval = _SymGetModuleInfo(aProcess, aAddr, aModuleInfo);
|
||||
|
||||
if (FALSE == retval) {
|
||||
BOOL enumRes = FALSE;
|
||||
|
||||
/*
|
||||
* Not loaded, here's the magic.
|
||||
* Go through all the modules.
|
||||
*/
|
||||
enumRes = _EnumerateLoadedModules(aProcess, (PENUMLOADED_MODULES_CALLBACK)callbackEspecial, (PVOID)&aAddr);
|
||||
if (FALSE != enumRes)
|
||||
{
|
||||
/*
|
||||
* One final go.
|
||||
* If it fails, then well, we have other problems.
|
||||
*/
|
||||
retval = _SymGetModuleInfo(aProcess, aAddr, aModuleInfo);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* If we got module info, we may attempt line info as well.
|
||||
* We will not report failure if this does not work.
|
||||
*/
|
||||
if (FALSE != retval && nsnull != aLineInfo && nsnull != _SymGetLineFromAddr) {
|
||||
DWORD displacement = 0;
|
||||
BOOL lineRes = FALSE;
|
||||
lineRes = _SymGetLineFromAddr(aProcess, aAddr, &displacement, aLineInfo);
|
||||
}
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
BOOL SymGetModuleInfoEspecial64(HANDLE aProcess, DWORD64 aAddr, PIMAGEHLP_MODULE64 aModuleInfo, PIMAGEHLP_LINE64 aLineInfo)
|
||||
{
|
||||
BOOL retval = FALSE;
|
||||
|
||||
/*
|
||||
* Init the vars if we have em.
|
||||
*/
|
||||
aModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
|
||||
if (nsnull != aLineInfo) {
|
||||
aLineInfo->SizeOfStruct = sizeof(IMAGEHLP_LINE64);
|
||||
}
|
||||
|
||||
/*
|
||||
* Give it a go.
|
||||
* It may already be loaded.
|
||||
*/
|
||||
retval = _SymGetModuleInfo64(aProcess, aAddr, aModuleInfo);
|
||||
|
||||
if (FALSE == retval) {
|
||||
BOOL enumRes = FALSE;
|
||||
|
||||
/*
|
||||
* Not loaded, here's the magic.
|
||||
* Go through all the modules.
|
||||
*/
|
||||
enumRes = _EnumerateLoadedModules64(aProcess, (PENUMLOADED_MODULES_CALLBACK64)callbackEspecial64, (PVOID)&aAddr);
|
||||
if (FALSE != enumRes)
|
||||
{
|
||||
/*
|
||||
* One final go.
|
||||
* If it fails, then well, we have other problems.
|
||||
*/
|
||||
retval = _SymGetModuleInfo64(aProcess, aAddr, aModuleInfo);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* If we got module info, we may attempt line info as well.
|
||||
* We will not report failure if this does not work.
|
||||
*/
|
||||
if (FALSE != retval && nsnull != aLineInfo && nsnull != _SymGetLineFromAddr64) {
|
||||
DWORD displacement = 0;
|
||||
BOOL lineRes = FALSE;
|
||||
lineRes = _SymGetLineFromAddr64(aProcess, aAddr, &displacement, aLineInfo);
|
||||
}
|
||||
|
||||
return retval;
|
||||
}
|
||||
#endif
|
||||
|
||||
HANDLE
|
||||
GetCurrentPIDorHandle()
|
||||
{
|
||||
if (_SymGetModuleBase64)
|
||||
return GetCurrentProcess(); // winxp and friends use process handle
|
||||
|
||||
return (HANDLE) GetCurrentProcessId(); // winme win98 win95 etc use process identifier
|
||||
}
|
||||
|
||||
PRBool
|
||||
EnsureSymInitialized()
|
||||
{
|
||||
static PRBool gInitialized = PR_FALSE;
|
||||
PRBool retStat;
|
||||
|
||||
if (gInitialized)
|
||||
return gInitialized;
|
||||
|
||||
if (!EnsureImageHlpInitialized())
|
||||
return PR_FALSE;
|
||||
|
||||
_SymSetOptions(SYMOPT_LOAD_LINES | SYMOPT_UNDNAME);
|
||||
retStat = _SymInitialize(GetCurrentPIDorHandle(), NULL, TRUE);
|
||||
if (!retStat)
|
||||
PrintError("SymInitialize");
|
||||
|
||||
gInitialized = retStat;
|
||||
/* XXX At some point we need to arrange to call _SymCleanup */
|
||||
|
||||
return retStat;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Walk the stack, translating PC's found into strings and recording the
|
||||
* chain in aBuffer. For this to work properly, the DLLs must be rebased
|
||||
* so that the address in the file agrees with the address in memory.
|
||||
* Otherwise StackWalk will return FALSE when it hits a frame in a DLL
|
||||
* whose in memory address doesn't match its in-file address.
|
||||
*/
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_StackWalk(NS_WalkStackCallback aCallback, PRUint32 aSkipFrames,
|
||||
void *aClosure)
|
||||
{
|
||||
HANDLE myProcess, myThread, walkerThread;
|
||||
DWORD walkerReturn;
|
||||
struct WalkStackData data;
|
||||
|
||||
if (!EnsureImageHlpInitialized())
|
||||
return PR_FALSE;
|
||||
|
||||
// Have to duplicate handle to get a real handle.
|
||||
if (!::DuplicateHandle(::GetCurrentProcess(),
|
||||
::GetCurrentProcess(),
|
||||
::GetCurrentProcess(),
|
||||
&myProcess,
|
||||
THREAD_ALL_ACCESS, FALSE, 0)) {
|
||||
PrintError("DuplicateHandle (process)");
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
if (!::DuplicateHandle(::GetCurrentProcess(),
|
||||
::GetCurrentThread(),
|
||||
::GetCurrentProcess(),
|
||||
&myThread,
|
||||
THREAD_ALL_ACCESS, FALSE, 0)) {
|
||||
PrintError("DuplicateHandle (thread)");
|
||||
::CloseHandle(myProcess);
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
data.callback = aCallback;
|
||||
data.skipFrames = aSkipFrames;
|
||||
data.closure = aClosure;
|
||||
data.thread = myThread;
|
||||
data.process = myProcess;
|
||||
walkerThread = ::CreateThread( NULL, 0, WalkStackThread, (LPVOID) &data, 0, NULL ) ;
|
||||
if (walkerThread) {
|
||||
walkerReturn = ::WaitForSingleObject(walkerThread, 2000); // no timeout is never a good idea
|
||||
if (walkerReturn != WAIT_OBJECT_0) {
|
||||
PrintError("ThreadWait");
|
||||
}
|
||||
::CloseHandle(walkerThread);
|
||||
}
|
||||
else {
|
||||
PrintError("ThreadCreate");
|
||||
}
|
||||
::CloseHandle(myThread);
|
||||
::CloseHandle(myProcess);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
DWORD WINAPI
|
||||
WalkStackThread(LPVOID lpdata)
|
||||
{
|
||||
struct WalkStackData *data = (WalkStackData *)lpdata;
|
||||
DWORD ret ;
|
||||
|
||||
// Suspend the calling thread, dump his stack, and then resume him.
|
||||
// He's currently waiting for us to finish so now should be a good time.
|
||||
ret = ::SuspendThread( data->thread );
|
||||
if (ret == -1) {
|
||||
PrintError("ThreadSuspend");
|
||||
}
|
||||
else {
|
||||
if (_StackWalk64)
|
||||
WalkStackMain64(data);
|
||||
else
|
||||
WalkStackMain(data);
|
||||
ret = ::ResumeThread(data->thread);
|
||||
if (ret == -1) {
|
||||
PrintError("ThreadResume");
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
WalkStackMain64(struct WalkStackData* data)
|
||||
{
|
||||
#ifdef USING_WXP_VERSION
|
||||
// Get the context information for the thread. That way we will
|
||||
// know where our sp, fp, pc, etc. are and can fill in the
|
||||
// STACKFRAME64 with the initial values.
|
||||
CONTEXT context;
|
||||
HANDLE myProcess = data->process;
|
||||
HANDLE myThread = data->thread;
|
||||
DWORD64 addr;
|
||||
STACKFRAME64 frame64;
|
||||
int skip = 3 + data->skipFrames; // skip our own stack walking frames
|
||||
BOOL ok;
|
||||
|
||||
// Get a context for the specified thread.
|
||||
memset(&context, 0, sizeof(CONTEXT));
|
||||
context.ContextFlags = CONTEXT_FULL;
|
||||
if (!GetThreadContext(myThread, &context)) {
|
||||
PrintError("GetThreadContext");
|
||||
return;
|
||||
}
|
||||
|
||||
// Setup initial stack frame to walk from
|
||||
memset(&frame64, 0, sizeof(frame64));
|
||||
#ifdef _M_IX86
|
||||
frame64.AddrPC.Offset = context.Eip;
|
||||
frame64.AddrStack.Offset = context.Esp;
|
||||
frame64.AddrFrame.Offset = context.Ebp;
|
||||
#elif defined _M_AMD64
|
||||
frame64.AddrPC.Offset = context.Rip;
|
||||
frame64.AddrStack.Offset = context.Rsp;
|
||||
frame64.AddrFrame.Offset = context.Rbp;
|
||||
#elif defined _M_IA64
|
||||
frame64.AddrPC.Offset = context.StIIP;
|
||||
frame64.AddrStack.Offset = context.SP;
|
||||
frame64.AddrFrame.Offset = context.RsBSP;
|
||||
#else
|
||||
PrintError("Unknown platform. No stack walking.");
|
||||
return;
|
||||
#endif
|
||||
frame64.AddrPC.Mode = AddrModeFlat;
|
||||
frame64.AddrStack.Mode = AddrModeFlat;
|
||||
frame64.AddrFrame.Mode = AddrModeFlat;
|
||||
frame64.AddrReturn.Mode = AddrModeFlat;
|
||||
|
||||
// Now walk the stack and map the pc's to symbol names
|
||||
while (1) {
|
||||
|
||||
ok = 0;
|
||||
|
||||
// stackwalk is not threadsafe, so grab the lock.
|
||||
DWORD dwWaitResult;
|
||||
dwWaitResult = WaitForSingleObject(hStackWalkMutex, INFINITE);
|
||||
if (dwWaitResult == WAIT_OBJECT_0) {
|
||||
|
||||
ok = _StackWalk64(
|
||||
#ifdef _M_AMD64
|
||||
IMAGE_FILE_MACHINE_AMD64,
|
||||
#elif defined _M_IA64
|
||||
IMAGE_FILE_MACHINE_IA64,
|
||||
#elif defined _M_IX86
|
||||
IMAGE_FILE_MACHINE_I386,
|
||||
#else
|
||||
0,
|
||||
#endif
|
||||
myProcess,
|
||||
myThread,
|
||||
&frame64,
|
||||
&context,
|
||||
NULL,
|
||||
_SymFunctionTableAccess64, // function table access routine
|
||||
_SymGetModuleBase64, // module base routine
|
||||
0
|
||||
);
|
||||
|
||||
ReleaseMutex(hStackWalkMutex); // release our lock
|
||||
|
||||
if (ok)
|
||||
addr = frame64.AddrPC.Offset;
|
||||
else {
|
||||
addr = 0;
|
||||
PrintError("WalkStack64");
|
||||
}
|
||||
|
||||
if (!ok || (addr == 0)) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (skip-- > 0) {
|
||||
continue;
|
||||
}
|
||||
|
||||
(*data->callback)((void*)addr, data->closure);
|
||||
|
||||
#if 0
|
||||
// Stop walking when we get to kernel32.
|
||||
if (strcmp(modInfo.ModuleName, "kernel32") == 0)
|
||||
break;
|
||||
#else
|
||||
if (frame64.AddrReturn.Offset == 0)
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
else {
|
||||
PrintError("LockError64");
|
||||
}
|
||||
}
|
||||
return;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
WalkStackMain(struct WalkStackData* data)
|
||||
{
|
||||
// Get the context information for the thread. That way we will
|
||||
// know where our sp, fp, pc, etc. are and can fill in the
|
||||
// STACKFRAME with the initial values.
|
||||
CONTEXT context;
|
||||
HANDLE myProcess = data->process;
|
||||
HANDLE myThread = data->thread;
|
||||
DWORD addr;
|
||||
STACKFRAME frame;
|
||||
int skip = data->skipFrames; // skip our own stack walking frames
|
||||
BOOL ok;
|
||||
|
||||
// Get a context for the specified thread.
|
||||
memset(&context, 0, sizeof(CONTEXT));
|
||||
context.ContextFlags = CONTEXT_FULL;
|
||||
if (!GetThreadContext(myThread, &context)) {
|
||||
PrintError("GetThreadContext");
|
||||
return;
|
||||
}
|
||||
|
||||
// Setup initial stack frame to walk from
|
||||
#if defined _M_IX86
|
||||
memset(&frame, 0, sizeof(frame));
|
||||
frame.AddrPC.Offset = context.Eip;
|
||||
frame.AddrPC.Mode = AddrModeFlat;
|
||||
frame.AddrStack.Offset = context.Esp;
|
||||
frame.AddrStack.Mode = AddrModeFlat;
|
||||
frame.AddrFrame.Offset = context.Ebp;
|
||||
frame.AddrFrame.Mode = AddrModeFlat;
|
||||
#else
|
||||
PrintError("Unknown platform. No stack walking.");
|
||||
return;
|
||||
#endif
|
||||
|
||||
// Now walk the stack and map the pc's to symbol names
|
||||
while (1) {
|
||||
|
||||
ok = 0;
|
||||
|
||||
// debug routines are not threadsafe, so grab the lock.
|
||||
DWORD dwWaitResult;
|
||||
dwWaitResult = WaitForSingleObject(hStackWalkMutex, INFINITE);
|
||||
if (dwWaitResult == WAIT_OBJECT_0) {
|
||||
|
||||
ok = _StackWalk(
|
||||
IMAGE_FILE_MACHINE_I386,
|
||||
myProcess,
|
||||
myThread,
|
||||
&frame,
|
||||
&context,
|
||||
0, // read process memory routine
|
||||
_SymFunctionTableAccess, // function table access routine
|
||||
_SymGetModuleBase, // module base routine
|
||||
0 // translate address routine
|
||||
);
|
||||
|
||||
ReleaseMutex(hStackWalkMutex); // release our lock
|
||||
|
||||
if (ok)
|
||||
addr = frame.AddrPC.Offset;
|
||||
else {
|
||||
addr = 0;
|
||||
PrintError("WalkStack");
|
||||
}
|
||||
|
||||
if (!ok || (addr == 0)) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (skip-- > 0) {
|
||||
continue;
|
||||
}
|
||||
|
||||
(*data->callback)((void*)addr, data->closure);
|
||||
|
||||
#if 0
|
||||
// Stop walking when we get to kernel32.dll.
|
||||
if (strcmp(modInfo.ImageName, "kernel32.dll") == 0)
|
||||
break;
|
||||
#else
|
||||
if (frame.AddrReturn.Offset == 0)
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
else {
|
||||
PrintError("LockError");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return;
|
||||
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_DescribeCodeAddress(void *aPC, nsCodeAddressDetails *aDetails)
|
||||
{
|
||||
aDetails->library[0] = '\0';
|
||||
aDetails->loffset = 0;
|
||||
aDetails->filename[0] = '\0';
|
||||
aDetails->lineno = 0;
|
||||
aDetails->function[0] = '\0';
|
||||
aDetails->foffset = 0;
|
||||
|
||||
if (!EnsureSymInitialized())
|
||||
return NS_ERROR_FAILURE;
|
||||
|
||||
HANDLE myProcess = ::GetCurrentProcess();
|
||||
BOOL ok;
|
||||
|
||||
// debug routines are not threadsafe, so grab the lock.
|
||||
DWORD dwWaitResult;
|
||||
dwWaitResult = WaitForSingleObject(hStackWalkMutex, INFINITE);
|
||||
if (dwWaitResult != WAIT_OBJECT_0)
|
||||
return NS_ERROR_UNEXPECTED;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
if (_StackWalk64) {
|
||||
//
|
||||
// Attempt to load module info before we attempt to resolve the symbol.
|
||||
// This just makes sure we get good info if available.
|
||||
//
|
||||
|
||||
DWORD64 addr = (DWORD64)aPC;
|
||||
IMAGEHLP_MODULE64 modInfo;
|
||||
modInfo.SizeOfStruct = sizeof(modInfo);
|
||||
BOOL modInfoRes;
|
||||
modInfoRes = SymGetModuleInfoEspecial64(myProcess, addr, &modInfo, nsnull);
|
||||
|
||||
if (modInfoRes) {
|
||||
PL_strncpyz(aDetails->library, modInfo.ModuleName,
|
||||
sizeof(aDetails->library));
|
||||
aDetails->loffset = (char*) aPC - (char*) modInfo.BaseOfImage;
|
||||
// XXX We could get filename/lineno information from
|
||||
// SymGetModuleInfoEspecial64
|
||||
}
|
||||
|
||||
ULONG64 buffer[(sizeof(SYMBOL_INFO) +
|
||||
MAX_SYM_NAME*sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)];
|
||||
PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
|
||||
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
|
||||
pSymbol->MaxNameLen = MAX_SYM_NAME;
|
||||
|
||||
DWORD64 displacement;
|
||||
ok = _SymFromAddr && _SymFromAddr(myProcess, addr, &displacement, pSymbol);
|
||||
|
||||
if (ok) {
|
||||
PL_strncpyz(aDetails->function, pSymbol->Name,
|
||||
sizeof(aDetails->function));
|
||||
aDetails->foffset = displacement;
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
//
|
||||
// Attempt to load module info before we attempt to resolve the symbol.
|
||||
// This just makes sure we get good info if available.
|
||||
//
|
||||
|
||||
DWORD addr = (DWORD)aPC;
|
||||
IMAGEHLP_MODULE modInfo;
|
||||
modInfo.SizeOfStruct = sizeof(modInfo);
|
||||
BOOL modInfoRes;
|
||||
modInfoRes = SymGetModuleInfoEspecial(myProcess, addr, &modInfo, nsnull);
|
||||
|
||||
if (modInfoRes) {
|
||||
PL_strncpyz(aDetails->library, modInfo.ModuleName,
|
||||
sizeof(aDetails->library));
|
||||
aDetails->loffset = (char*) aPC - (char*) modInfo.BaseOfImage;
|
||||
// XXX We could get filename/lineno information from
|
||||
// SymGetModuleInfoEspecial
|
||||
}
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
ULONG64 buffer[(sizeof(SYMBOL_INFO) +
|
||||
MAX_SYM_NAME*sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)];
|
||||
PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
|
||||
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
|
||||
pSymbol->MaxNameLen = MAX_SYM_NAME;
|
||||
|
||||
DWORD64 displacement;
|
||||
|
||||
ok = _SymFromAddr && _SymFromAddr(myProcess, addr, &displacement, pSymbol);
|
||||
#else
|
||||
char buf[sizeof(IMAGEHLP_SYMBOL) + 512];
|
||||
PIMAGEHLP_SYMBOL pSymbol = (PIMAGEHLP_SYMBOL) buf;
|
||||
pSymbol->SizeOfStruct = sizeof(buf);
|
||||
pSymbol->MaxNameLength = 512;
|
||||
|
||||
DWORD displacement;
|
||||
|
||||
ok = _SymGetSymFromAddr(myProcess,
|
||||
frame.AddrPC.Offset,
|
||||
&displacement,
|
||||
pSymbol);
|
||||
#endif
|
||||
|
||||
if (ok) {
|
||||
PL_strncpyz(aDetails->function, pSymbol->Name,
|
||||
sizeof(aDetails->function));
|
||||
aDetails->foffset = displacement;
|
||||
}
|
||||
}
|
||||
|
||||
ReleaseMutex(hStackWalkMutex); // release our lock
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_FormatCodeAddressDetails(void *aPC, const nsCodeAddressDetails *aDetails,
|
||||
char *aBuffer, PRUint32 aBufferSize)
|
||||
{
|
||||
#ifdef USING_WXP_VERSION
|
||||
if (_StackWalk64) {
|
||||
if (aDetails->function[0])
|
||||
_snprintf(aBuffer, aBufferSize, "%s!%s+0x%016lX\n",
|
||||
aDetails->library, aDetails->function, aDetails->foffset);
|
||||
else
|
||||
_snprintf(aBuffer, aBufferSize, "0x%016lX\n", aPC);
|
||||
} else {
|
||||
#endif
|
||||
if (aDetails->function[0])
|
||||
_snprintf(aBuffer, aBufferSize, "%s!%s+0x%08lX\n",
|
||||
aDetails->library, aDetails->function, aDetails->foffset);
|
||||
else
|
||||
_snprintf(aBuffer, aBufferSize, "0x%08lX\n", aPC);
|
||||
#ifdef USING_WXP_VERSION
|
||||
}
|
||||
#endif
|
||||
return NS_OK;
|
||||
}
|
||||
|
|
@ -1,198 +0,0 @@
|
|||
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||||
*
|
||||
* ***** BEGIN LICENSE BLOCK *****
|
||||
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla 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/MPL/
|
||||
*
|
||||
* 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 nsStackFrameWin.h code, released
|
||||
* December 20, 2000.
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 2000
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
* Michael Judge, 20-December-2000
|
||||
*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
||||
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
#ifndef nsStackFrameWin_h___
|
||||
#define nsStackFrameWin_h___
|
||||
|
||||
|
||||
#if defined(_WIN32) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_IA64))
|
||||
// WIN32 x86 stack walking code
|
||||
#include "nspr.h"
|
||||
#include <windows.h>
|
||||
#ifdef _M_IX86
|
||||
#include <imagehlp.h>
|
||||
// We need a way to know if we are building for WXP (or later), as if we are, we
|
||||
// need to use the newer 64-bit APIs. API_VERSION_NUMBER seems to fit the bill.
|
||||
// A value of 9 indicates we want to use the new APIs.
|
||||
#if API_VERSION_NUMBER >= 9
|
||||
#define USING_WXP_VERSION 1
|
||||
#endif
|
||||
#endif
|
||||
|
||||
// Define these as static pointers so that we can load the DLL on the
|
||||
// fly (and not introduce a link-time dependency on it). Tip o' the
|
||||
// hat to Matt Pietrick for this idea. See:
|
||||
//
|
||||
// http://msdn.microsoft.com/library/periodic/period97/F1/D3/S245C6.htm
|
||||
//
|
||||
PR_BEGIN_EXTERN_C
|
||||
|
||||
typedef DWORD (__stdcall *SYMSETOPTIONSPROC)(DWORD);
|
||||
extern SYMSETOPTIONSPROC _SymSetOptions;
|
||||
|
||||
typedef BOOL (__stdcall *SYMINITIALIZEPROC)(HANDLE, LPSTR, BOOL);
|
||||
extern SYMINITIALIZEPROC _SymInitialize;
|
||||
|
||||
typedef BOOL (__stdcall *SYMCLEANUPPROC)(HANDLE);
|
||||
extern SYMCLEANUPPROC _SymCleanup;
|
||||
|
||||
typedef BOOL (__stdcall *STACKWALKPROC)(DWORD,
|
||||
HANDLE,
|
||||
HANDLE,
|
||||
LPSTACKFRAME,
|
||||
LPVOID,
|
||||
PREAD_PROCESS_MEMORY_ROUTINE,
|
||||
PFUNCTION_TABLE_ACCESS_ROUTINE,
|
||||
PGET_MODULE_BASE_ROUTINE,
|
||||
PTRANSLATE_ADDRESS_ROUTINE);
|
||||
extern STACKWALKPROC _StackWalk;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef BOOL (__stdcall *STACKWALKPROC64)(DWORD,
|
||||
HANDLE,
|
||||
HANDLE,
|
||||
LPSTACKFRAME64,
|
||||
PVOID,
|
||||
PREAD_PROCESS_MEMORY_ROUTINE64,
|
||||
PFUNCTION_TABLE_ACCESS_ROUTINE64,
|
||||
PGET_MODULE_BASE_ROUTINE64,
|
||||
PTRANSLATE_ADDRESS_ROUTINE64);
|
||||
extern STACKWALKPROC64 _StackWalk64;
|
||||
#endif
|
||||
|
||||
typedef LPVOID (__stdcall *SYMFUNCTIONTABLEACCESSPROC)(HANDLE, DWORD);
|
||||
extern SYMFUNCTIONTABLEACCESSPROC _SymFunctionTableAccess;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef LPVOID (__stdcall *SYMFUNCTIONTABLEACCESSPROC64)(HANDLE, DWORD64);
|
||||
extern SYMFUNCTIONTABLEACCESSPROC64 _SymFunctionTableAccess64;
|
||||
#endif
|
||||
|
||||
typedef DWORD (__stdcall *SYMGETMODULEBASEPROC)(HANDLE, DWORD);
|
||||
extern SYMGETMODULEBASEPROC _SymGetModuleBase;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef DWORD64 (__stdcall *SYMGETMODULEBASEPROC64)(HANDLE, DWORD64);
|
||||
extern SYMGETMODULEBASEPROC64 _SymGetModuleBase64;
|
||||
#endif
|
||||
|
||||
typedef BOOL (__stdcall *SYMGETSYMFROMADDRPROC)(HANDLE, DWORD, PDWORD, PIMAGEHLP_SYMBOL);
|
||||
extern SYMGETSYMFROMADDRPROC _SymGetSymFromAddr;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef BOOL (__stdcall *SYMFROMADDRPROC)(HANDLE, DWORD64, PDWORD64, PSYMBOL_INFO);
|
||||
extern SYMFROMADDRPROC _SymFromAddr;
|
||||
#endif
|
||||
|
||||
typedef DWORD ( __stdcall *SYMLOADMODULE)(HANDLE, HANDLE, PSTR, PSTR, DWORD, DWORD);
|
||||
extern SYMLOADMODULE _SymLoadModule;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef DWORD ( __stdcall *SYMLOADMODULE64)(HANDLE, HANDLE, PCSTR, PCSTR, DWORD64, DWORD);
|
||||
extern SYMLOADMODULE64 _SymLoadModule64;
|
||||
#endif
|
||||
|
||||
typedef DWORD ( __stdcall *SYMUNDNAME)(PIMAGEHLP_SYMBOL, PSTR, DWORD);
|
||||
extern SYMUNDNAME _SymUnDName;
|
||||
|
||||
typedef DWORD ( __stdcall *SYMGETMODULEINFO)( HANDLE, DWORD, PIMAGEHLP_MODULE);
|
||||
extern SYMGETMODULEINFO _SymGetModuleInfo;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef BOOL ( __stdcall *SYMGETMODULEINFO64)( HANDLE, DWORD64, PIMAGEHLP_MODULE64);
|
||||
extern SYMGETMODULEINFO64 _SymGetModuleInfo64;
|
||||
#endif
|
||||
|
||||
typedef BOOL ( __stdcall *ENUMLOADEDMODULES)( HANDLE, PENUMLOADED_MODULES_CALLBACK, PVOID);
|
||||
extern ENUMLOADEDMODULES _EnumerateLoadedModules;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef BOOL ( __stdcall *ENUMLOADEDMODULES64)( HANDLE, PENUMLOADED_MODULES_CALLBACK64, PVOID);
|
||||
extern ENUMLOADEDMODULES64 _EnumerateLoadedModules64;
|
||||
#endif
|
||||
|
||||
typedef BOOL (__stdcall *SYMGETLINEFROMADDRPROC)(HANDLE, DWORD, PDWORD, PIMAGEHLP_LINE);
|
||||
extern SYMGETLINEFROMADDRPROC _SymGetLineFromAddr;
|
||||
|
||||
#ifdef USING_WXP_VERSION
|
||||
typedef BOOL (__stdcall *SYMGETLINEFROMADDRPROC64)(HANDLE, DWORD64, PDWORD, PIMAGEHLP_LINE64);
|
||||
extern SYMGETLINEFROMADDRPROC64 _SymGetLineFromAddr64;
|
||||
#endif
|
||||
|
||||
extern HANDLE hStackWalkMutex;
|
||||
|
||||
HANDLE GetCurrentPIDorHandle();
|
||||
|
||||
PRBool EnsureSymInitialized();
|
||||
|
||||
PRBool EnsureImageHlpInitialized();
|
||||
|
||||
/*
|
||||
* SymGetModuleInfoEspecial
|
||||
*
|
||||
* Attempt to determine the module information.
|
||||
* Bug 112196 says this DLL may not have been loaded at the time
|
||||
* SymInitialize was called, and thus the module information
|
||||
* and symbol information is not available.
|
||||
* This code rectifies that problem.
|
||||
* Line information is optional.
|
||||
*/
|
||||
BOOL SymGetModuleInfoEspecial(HANDLE aProcess, DWORD aAddr, PIMAGEHLP_MODULE aModuleInfo, PIMAGEHLP_LINE aLineInfo);
|
||||
|
||||
struct WalkStackData {
|
||||
NS_WalkStackCallback callback;
|
||||
PRUint32 skipFrames;
|
||||
void *closure;
|
||||
HANDLE thread;
|
||||
HANDLE process;
|
||||
};
|
||||
|
||||
void PrintError(char *prefix, WalkStackData* data);
|
||||
DWORD WINAPI WalkStackThread(LPVOID data);
|
||||
void WalkStackMain64(struct WalkStackData* data);
|
||||
void WalkStackMain(struct WalkStackData* data);
|
||||
|
||||
|
||||
PR_END_EXTERN_C
|
||||
|
||||
#else
|
||||
#pragma message( "You probably need to fix this file to handle your target platform" )
|
||||
#endif //WIN32
|
||||
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#endif //nsStackFrameWin_h___
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||||
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