st_backtrace.h

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#ifndef ST_BACKTRACE_H
#define ST_BACKTRACE_H 1
 
#include "stdio.h"
 
#ifdef __GLIBC__
 
#include "execinfo.h"
inline void print_backtrace(int sz = 100) {
    int j, nptrs;
    void *buffer[sz];
    nptrs = backtrace(buffer, sz);
    fprintf(stderr, "backtrace() returned %d addresses\n", nptrs);
    backtrace_symbols_fd(buffer, sz, 2);
}
 
#elif defined(USE_WIN32)
 
#include "windows.h"
#include "winbase.h"
#include "dbghelp.h"
#include "process.h"
 
inline void print_backtrace(int sz = 100) {
    unsigned int i;
    void *stack[100];
    unsigned short frames;
    SYMBOL_INFO *symbol;
    HANDLE process;
    DWORD displacement;
    IMAGEHLP_LINE64 *line;
    char* name;
 
    process = GetCurrentProcess();
    SymInitialize(process, NULL, TRUE);
    frames = CaptureStackBackTrace(0, sz, stack, NULL);
    fprintf(stderr, "backtrace returned %d addresses\n", frames);
    symbol = (SYMBOL_INFO*)calloc(sizeof(SYMBOL_INFO) + 1024 * sizeof(char), 1);
    symbol->MaxNameLen = 1024;
    symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
 
    line = (IMAGEHLP_LINE64 *)malloc(sizeof(IMAGEHLP_LINE64));
    line->SizeOfStruct = sizeof(IMAGEHLP_LINE64);
 
    for(i = 0; i < frames; i++) {
        SymFromAddr(process, (DWORD64)(stack[i]), 0, symbol);
        if (symbol->Name) {
            name = symbol->Name;
        } else {
            name = "<unknown frame>";
        }
        if (SymGetLineFromAddr64(process, (DWORD64)(stack[i]), &displacement, line)) {
            fprintf(stderr, "%d: %s in %s:%d 0x%llx\n", frames - i - 1, name, line->FileName, line->LineNumber, symbol->Address);
        } else {
            fprintf(stderr, "%d: %s 0x%llx\n", frames - i - 1, name, symbol->Address);
        }
    }
    free(symbol);
}
 
#else
 
inline void print_backtrace(int sz = 100) {
}
 
#endif
 
#endif