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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* Symbol lookup.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#include "pipe/p_compiler.h"
#include "u_debug.h"
#include "u_debug_symbol.h"
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER) && defined(PIPE_ARCH_X86)
#include <windows.h>
#include <stddef.h>
#include <imagehlp.h>
/*
* TODO: Cleanup code.
* TODO: Support x86_64
*/
static BOOL bSymInitialized = FALSE;
static HMODULE hModule_Imagehlp = NULL;
typedef BOOL (WINAPI *PFNSYMINITIALIZE)(HANDLE, LPSTR, BOOL);
static PFNSYMINITIALIZE pfnSymInitialize = NULL;
static
BOOL WINAPI j_SymInitialize(HANDLE hProcess, PSTR UserSearchPath, BOOL fInvadeProcess)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymInitialize || (pfnSymInitialize = (PFNSYMINITIALIZE) GetProcAddress(hModule_Imagehlp, "SymInitialize")))
)
return pfnSymInitialize(hProcess, UserSearchPath, fInvadeProcess);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMCLEANUP)(HANDLE);
static PFNSYMCLEANUP pfnSymCleanup = NULL;
static
BOOL WINAPI j_SymCleanup(HANDLE hProcess)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymCleanup || (pfnSymCleanup = (PFNSYMCLEANUP) GetProcAddress(hModule_Imagehlp, "SymCleanup")))
)
return pfnSymCleanup(hProcess);
else
return FALSE;
}
typedef DWORD (WINAPI *PFNSYMSETOPTIONS)(DWORD);
static PFNSYMSETOPTIONS pfnSymSetOptions = NULL;
static
DWORD WINAPI j_SymSetOptions(DWORD SymOptions)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymSetOptions || (pfnSymSetOptions = (PFNSYMSETOPTIONS) GetProcAddress(hModule_Imagehlp, "SymSetOptions")))
)
return pfnSymSetOptions(SymOptions);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMUNDNAME)(PIMAGEHLP_SYMBOL, PSTR, DWORD);
static PFNSYMUNDNAME pfnSymUnDName = NULL;
static
BOOL WINAPI j_SymUnDName(PIMAGEHLP_SYMBOL Symbol, PSTR UnDecName, DWORD UnDecNameLength)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymUnDName || (pfnSymUnDName = (PFNSYMUNDNAME) GetProcAddress(hModule_Imagehlp, "SymUnDName")))
)
return pfnSymUnDName(Symbol, UnDecName, UnDecNameLength);
else
return FALSE;
}
typedef PFUNCTION_TABLE_ACCESS_ROUTINE PFNSYMFUNCTIONTABLEACCESS;
static PFNSYMFUNCTIONTABLEACCESS pfnSymFunctionTableAccess = NULL;
static
PVOID WINAPI j_SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymFunctionTableAccess || (pfnSymFunctionTableAccess = (PFNSYMFUNCTIONTABLEACCESS) GetProcAddress(hModule_Imagehlp, "SymFunctionTableAccess")))
)
return pfnSymFunctionTableAccess(hProcess, AddrBase);
else
return NULL;
}
typedef PGET_MODULE_BASE_ROUTINE PFNSYMGETMODULEBASE;
static PFNSYMGETMODULEBASE pfnSymGetModuleBase = NULL;
static
DWORD WINAPI j_SymGetModuleBase(HANDLE hProcess, DWORD dwAddr)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymGetModuleBase || (pfnSymGetModuleBase = (PFNSYMGETMODULEBASE) GetProcAddress(hModule_Imagehlp, "SymGetModuleBase")))
)
return pfnSymGetModuleBase(hProcess, dwAddr);
else
return 0;
}
typedef BOOL (WINAPI *PFNSTACKWALK)(DWORD, HANDLE, HANDLE, LPSTACKFRAME, LPVOID, PREAD_PROCESS_MEMORY_ROUTINE, PFUNCTION_TABLE_ACCESS_ROUTINE, PGET_MODULE_BASE_ROUTINE, PTRANSLATE_ADDRESS_ROUTINE);
static PFNSTACKWALK pfnStackWalk = NULL;
static
BOOL WINAPI j_StackWalk(
DWORD MachineType,
HANDLE hProcess,
HANDLE hThread,
LPSTACKFRAME StackFrame,
PVOID ContextRecord,
PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnStackWalk || (pfnStackWalk = (PFNSTACKWALK) GetProcAddress(hModule_Imagehlp, "StackWalk")))
)
return pfnStackWalk(
MachineType,
hProcess,
hThread,
StackFrame,
ContextRecord,
ReadMemoryRoutine,
FunctionTableAccessRoutine,
GetModuleBaseRoutine,
TranslateAddress
);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMGETSYMFROMADDR)(HANDLE, DWORD, LPDWORD, PIMAGEHLP_SYMBOL);
static PFNSYMGETSYMFROMADDR pfnSymGetSymFromAddr = NULL;
static
BOOL WINAPI j_SymGetSymFromAddr(HANDLE hProcess, DWORD Address, PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymGetSymFromAddr || (pfnSymGetSymFromAddr = (PFNSYMGETSYMFROMADDR) GetProcAddress(hModule_Imagehlp, "SymGetSymFromAddr")))
)
return pfnSymGetSymFromAddr(hProcess, Address, Displacement, Symbol);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMGETLINEFROMADDR)(HANDLE, DWORD, LPDWORD, PIMAGEHLP_LINE);
static PFNSYMGETLINEFROMADDR pfnSymGetLineFromAddr = NULL;
static
BOOL WINAPI j_SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr, PDWORD pdwDisplacement, PIMAGEHLP_LINE Line)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibraryA("IMAGEHLP.DLL"))) &&
(pfnSymGetLineFromAddr || (pfnSymGetLineFromAddr = (PFNSYMGETLINEFROMADDR) GetProcAddress(hModule_Imagehlp, "SymGetLineFromAddr")))
)
return pfnSymGetLineFromAddr(hProcess, dwAddr, pdwDisplacement, Line);
else
return FALSE;
}
static INLINE boolean
debug_symbol_print_imagehlp(const void *addr)
{
HANDLE hProcess;
BYTE symbolBuffer[1024];
PIMAGEHLP_SYMBOL pSymbol = (PIMAGEHLP_SYMBOL) symbolBuffer;
DWORD dwDisplacement = 0; /* Displacement of the input address, relative to the start of the symbol */
hProcess = GetCurrentProcess();
pSymbol->SizeOfStruct = sizeof(symbolBuffer);
pSymbol->MaxNameLength = sizeof(symbolBuffer) - offsetof(IMAGEHLP_SYMBOL, Name);
if(!bSymInitialized) {
j_SymSetOptions(/* SYMOPT_UNDNAME | */ SYMOPT_LOAD_LINES);
if(j_SymInitialize(hProcess, NULL, TRUE))
bSymInitialized = TRUE;
}
if(!j_SymGetSymFromAddr(hProcess, (DWORD)addr, &dwDisplacement, pSymbol))
return FALSE;
debug_printf("\t%s\n", pSymbol->Name);
return TRUE;
}
#endif
void
debug_symbol_print(const void *addr)
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER) && defined(PIPE_ARCH_X86)
if(debug_symbol_print_imagehlp(addr))
return;
#endif
debug_printf("\t%p\n", addr);
}
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