SymGetLineFromAddr function (dbghelp.h)
Locates the source line for the specified address.
BOOL IMAGEAPI SymGetLineFromAddr( [in] HANDLE hProcess, [in] DWORD dwAddr, [out] PDWORD pdwDisplacement, [out] PIMAGEHLP_LINE Line );
A handle to the process that was originally passed to the SymInitialize function.
The address for which a line should be located. It is not necessary for the address to be on a line boundary. If the address appears after the beginning of a line and before the end of the line, the line is found.
The displacement in bytes from the beginning of the line, or zero.
A pointer to an IMAGEHLP_LINE64 structure.
If the function succeeds, the return value is TRUE.
If the function fails, the return value is FALSE. To retrieve extended error information, call GetLastError.
The caller must allocate the Line buffer properly and fill in the required members of the IMAGEHLP_LINE64 structure before calling SymGetLineFromAddr64.
This function returns a pointer to a buffer that may be reused by another function. Therefore, be sure to copy the data returned to another buffer immediately.
All DbgHelp functions, such as this one, are single threaded. Therefore, calls from more than one thread to this function will likely result in unexpected behavior or memory corruption. To avoid this, you must synchronize all concurrent calls from more than one thread to this function.
To call the Unicode version of this function, define DBGHELP_TRANSLATE_TCHAR. SymGetLineFromAddrW64 is defined as follows in Dbghelp.h.
BOOL IMAGEAPI SymGetLineFromAddrW64( _In_ HANDLE hProcess, _In_ DWORD64 dwAddr, _Out_ PDWORD pdwDisplacement, _Out_ PIMAGEHLP_LINEW64 Line ); #ifdef DBGHELP_TRANSLATE_TCHAR #define SymGetLineFromAddr64 SymGetLineFromAddrW64 #endif
This function supersedes the SymGetLineFromAddr function. For more information, see Updated Platform Support. SymGetLineFromAddr is defined as follows in Dbghelp.h.
#if !defined(_IMAGEHLP_SOURCE_) && defined(_IMAGEHLP64) #define SymGetLineFromAddr SymGetLineFromAddr64 #define SymGetLineFromAddrW SymGetLineFromAddrW64 #else BOOL IMAGEAPI SymGetLineFromAddr( _In_ HANDLE hProcess, _In_ DWORD dwAddr, _Out_ PDWORD pdwDisplacement, _Out_ PIMAGEHLP_LINE Line ); BOOL IMAGEAPI SymGetLineFromAddrW( _In_ HANDLE hProcess, _In_ DWORD dwAddr, _Out_ PDWORD pdwDisplacement, _Out_ PIMAGEHLP_LINEW Line ); #endif
For an example, see Retrieving Symbol Information by Address.
|Redistributable||DbgHelp.dll 5.1 or later|