x64dbg/x64dbg
x64dbg
/
x64dbg
1
0
Fork 0
Code Releases 5 Activity

DBG: function to get source + line from address

This commit is contained in:
Mr. eXoDia 2015-04-26 03:37:30 +02:00
parent 02c3d44cb8
commit 03b0d8b971
3 changed files with 22 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
x64_dbg_dbg/_dbgfunctions.cpp
View File

@ -180,6 +180,18 @@ static duint _getaddrfromline(const char* szSourceFile, int line)
return (duint)lineData.Address;
}
static bool _getsourcefromaddr(duint addr, char* szSourceFile, int* line)
{
char sourceFile[MAX_STRING_SIZE] = "";
if(!SymGetSourceLine(addr, sourceFile, line))
return false;
if(!FileExists(sourceFile))
return false;
if(szSourceFile)
strcpy_s(szSourceFile, MAX_STRING_SIZE, sourceFile);
return true;
}
void dbgfunctionsinit()
{
_dbgfunctions.AssembleAtEx = _assembleatex;
@ -215,4 +227,5 @@ void dbgfunctionsinit()
_dbgfunctions.FileOffsetToVa = valfileoffsettova;
_dbgfunctions.VaToFileOffset = valvatofileoffset;
_dbgfunctions.GetAddrFromLine = _getaddrfromline;
_dbgfunctions.GetSourceFromAddr = _getsourcefromaddr;
}

2
x64_dbg_dbg/_dbgfunctions.h
View File

@ -66,6 +66,7 @@ typedef bool (*SETCMDLINE)(const char* cmdline);
typedef duint (*FILEOFFSETTOVA)(const char* modname, duint offset);
typedef duint (*VATOFILEOFFSET)(duint va);
typedef duint (*GETADDRFROMLINE)(const char* szSourceFile, int line);
typedef bool(*GETSOURCEFROMADDR)(duint addr, char* szSourceFile, int* line);
typedef struct DBGFUNCTIONS_
{
@ -102,6 +103,7 @@ typedef struct DBGFUNCTIONS_
FILEOFFSETTOVA FileOffsetToVa;
VATOFILEOFFSET VaToFileOffset;
GETADDRFROMLINE GetAddrFromLine;
GETSOURCEFROMADDR GetSourceFromAddr;
} DBGFUNCTIONS;
#ifdef BUILD_DBG

12
x64_dbg_dbg/symbolinfo.cpp
View File

@ -254,7 +254,7 @@ const char* SymGetSymbolicName(uint Address)
bool SymGetSourceLine(uint Cip, char* FileName, int* Line)
{
IMAGEHLP_LINE64 lineInfo;
IMAGEHLP_LINEW64 lineInfo;
memset(&lineInfo, 0, sizeof(IMAGEHLP_LINE64));
lineInfo.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
@ -262,9 +262,11 @@ bool SymGetSourceLine(uint Cip, char* FileName, int* Line)
// Perform a symbol lookup from a specific address
DWORD displacement;
if(!SafeSymGetLineFromAddr64(fdProcessInfo->hProcess, Cip, &displacement, &lineInfo))
if(!SymGetLineFromAddrW64(fdProcessInfo->hProcess, Cip, &displacement, &lineInfo))
return false;
String NewFile = StringUtils::Utf16ToUtf8(lineInfo.FileName);
// Copy line number if requested
if(Line)
*Line = lineInfo.LineNumber;
@ -273,10 +275,10 @@ bool SymGetSourceLine(uint Cip, char* FileName, int* Line)
if(FileName)
{
// Check if it was a full path
if(lineInfo.FileName[1] == ':' && lineInfo.FileName[2] == '\\')
if(NewFile[1] == ':' && NewFile[2] == '\\')
{
// Success: no more parsing
strcpy_s(FileName, MAX_STRING_SIZE, lineInfo.FileName);
strcpy_s(FileName, MAX_STRING_SIZE, NewFile.c_str());
return true;
}
@ -296,7 +298,7 @@ bool SymGetSourceLine(uint Cip, char* FileName, int* Line)
// Copy back to the caller's buffer
strcpy_s(FileName, MAX_STRING_SIZE, modInfo.LoadedPdbName);
strcat_s(FileName, MAX_STRING_SIZE, lineInfo.FileName);
strcat_s(FileName, MAX_STRING_SIZE, NewFile.c_str());
}
return true;