IDebugSymbols::GetLineByOffset method (dbgeng.h)
The GetLineByOffset method returns the source filename and the line number within the source file of an instruction in the target.
Syntax
HRESULT GetLineByOffset(
[in] ULONG64 Offset,
[out, optional] PULONG Line,
[out, optional] PSTR FileBuffer,
[in] ULONG FileBufferSize,
[out, optional] PULONG FileSize,
[out, optional] PULONG64 Displacement
);
Parameters
[in] Offset
Specifies the location in the target's virtual address space of the instruction for which to return the source file and line number.
[out, optional] Line
Receives the line number within the source file of the instruction specified by Offset. If Line is NULL, this information is not returned.
[out, optional] FileBuffer
Receives the file name of the file that contains the instruction specified by Offset. If FileBuffer is NULL, this information is not returned.
[in] FileBufferSize
Specifies the size, in characters, of the FileBuffer buffer.
[out, optional] FileSize
Specifies the size, in characters, of the source filename. If FileSize is NULL, this information is not returned.
[out, optional] Displacement
Receives the difference between the location specified in Offset and the location of the first instruction of the returned line. If Displacement is NULL, this information is not returned.
Return value
This method may also return other error values. See Return Values for more details.
| Return code | Description |
|---|---|
|
The method was successful. |
|
The method was successful. However, the buffer was not large enough to hold the name of the source file and the name was truncated. |
Remarks
For more information about source files, see Using Source Files.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Desktop |
| Header | dbgeng.h (include Dbgeng.h) |