得到当前函数堆栈调用

步骤：

1. 调用RtlCaptureContext函数(MSDN)获取上下文(context)。

2. 把寄存器地址填充到STACKFRAME结构中。

3. 循环调用StackWalk64函数(MSDN)回溯调用栈(call stack)。

4. 调用SymFromAddr函数(MSDN)获得符号(symbol)，再调用SymGetLineFromAddr64函数(MSDN)获取源码地址与行号。

Sample:

void dumpStack(void)
{
	const UINT max_name_length = 256;	// Max length of symbols' name.

	CONTEXT context;			// Store register addresses.
	STACKFRAME64 stackframe;		// Call stack.
	HANDLE process,thread;			// Handle to current process & thread.
						// Generally it can be subsitituted with 0xFFFFFFFF & 0xFFFFFFFE.
	PSYMBOL_INFO symbol;			// Debugging symbol's information.
	IMAGEHLP_LINE64 source_info;		// Source information (file name & line number)
	DWORD displacement;			// Source line displacement.

	// Initialize PSYMBOL_INFO structure.
	// Allocate a properly-sized block.
	symbol = (PSYMBOL_INFO)malloc(sizeof(SYMBOL_INFO) + (max_name_length - 1) * sizeof(TCHAR));	
	memset(symbol,sizeof(SYMBOL_INFO) + (max_name_length - 1) * sizeof(TCHAR));
	symbol->SizeOfStruct = sizeof(SYMBOL_INFO);	// SizeOfStruct *MUST BE* set to sizeof(SYMBOL_INFO).
	symbol->MaxNameLen = max_name_length;

	// Initialize IMAGEHLP_LINE64 structure.
	memset(&source_info,sizeof(IMAGEHLP_LINE64));
	source_info.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
	
	// Initialize STACKFRAME64 structure.
	RtlCaptureContext(&context);			// Get context.
	memset(&stackframe,sizeof(STACKFRAME64));
	stackframe.AddrPC.Offset = context.Eip;		// Fill in register addresses (EIP,ESP,EBP).
	stackframe.AddrPC.Mode = AddrModeFlat;
	stackframe.AddrStack.Offset = context.Esp;
	stackframe.AddrStack.Mode = AddrModeFlat;
	stackframe.AddrFrame.Offset = context.Ebp;
	stackframe.AddrFrame.Mode = AddrModeFlat;

	process = GetCurrentProcess();	// Get current process & thread.
	thread = GetCurrentThread();

	// Initialize dbghelp library.
	if(!SymInitialize(process,NULL,TRUE))
		return ;

	_putts(__T("Call stack: \n\n"));

	// Enumerate call stack frame.
	while(StackWalk64(IMAGE_FILE_MACHINE_I386,process,thread,&stackframe,&context,SymFunctionTableAccess64,SymGetModuleBase64,NULL))
	{
		if(stackframe.AddrFrame.Offset == 0)	// End reaches.
			break;
		
		if(SymFromAddr(process,stackframe.AddrPC.Offset,symbol))// Get symbol.
			_tprintf(__T(" > %s\n"),symbol->Name);

		if(SymGetLineFromAddr64(process,&displacement,&source_info)) {				// Get source information.
				_tprintf(__T("\t[%s:%d] at addr 0x%08LX\n"),source_info.FileName,source_info.LineNumber,stackframe.AddrPC.Offset);
		} else {
			if(GetLastError() == 0x1E7) {		// If err_code == 0x1e7,no symbol was found.
				_tprintf(__T("\tNo debug symbol loaded for this function.\n"));
			}
		}
	}

	SymCleanup(process);	// Clean up and exit.
	free(symbol);
}

Result:

Note：

1. 在程序头加入：

#include <windows.h>
#include <dbghelp.h>
#pragma comment (lib,"dbghelp.lib")

若在Unicode环境下，在include前加入

#define DBGHELP_TRANSLATE_TCHAR

转译成TCHAR字符串。或使用%s强制wprintf输出multibyte string。

2. 使用dbghelp库前先初始化：

if(!SymInitialize(hProc,TRUE)) return ;

完成后 释放 ：

SymCleanup(hProc);

hProc为进程地址，使用GetCurrentProcess函数返回值或(HRESULT)-1均可，详见 MSDN 。

3. PSYMBOL_INFO structure使用前须分配内存，并设置MaxNameLen。

SYMBOL_INFO仅定义了TCHAR name[1]，SymFromAddr function可能会写到其他内存去了。

MSDN建议SYMBOL_INFO应分配sizeof(SYMBOL_INFO) + (MaxNameLen - 1) * sizeof(TCHAR)大小的内存。

4.与SymFromAddr不同，SymGetLineFromAddr64的pdwdisplacement参数不可省。参见MSDN。