Function captureStack

source/core/StarException_windows.cpp:43–120

typedef pair<Array<DWORD64, StackLimit>, size_t> StackCapture;

inline StackCapture captureStack() {
  HANDLE process = GetCurrentProcess();
  HANDLE thread = GetCurrentThread();

  CONTEXT context;
  DWORD image;
  STACKFRAME64 stackFrame;

  memset(&context, 0, sizeof(CONTEXT));
  context.ContextFlags = CONTEXT_FULL;

  ZeroMemory(&stackFrame, sizeof(STACKFRAME64));
  stackFrame.AddrPC.Mode = AddrModeFlat;
  stackFrame.AddrReturn.Mode = AddrModeFlat;
  stackFrame.AddrFrame.Mode = AddrModeFlat;
  stackFrame.AddrStack.Mode = AddrModeFlat;

#ifdef STAR_ARCHITECTURE_I386

#ifdef STAR_COMPILER_MSVC
  __asm {
    mov [context.Ebp], ebp;
    mov [context.Esp], esp;
    call next;
  next:
    pop [context.Eip];
  }
#else
  DWORD eip_val = 0;
  DWORD esp_val = 0;
  DWORD ebp_val = 0;

  __asm__ __volatile__("call 1f\n1: pop %0" : "=g"(eip_val));
  __asm__ __volatile__("movl %%esp, %0" : "=g"(esp_val));
  __asm__ __volatile__("movl %%ebp, %0" : "=g"(ebp_val));

  context.Eip = eip_val;
  context.Esp = esp_val;
  context.Ebp = ebp_val;
#endif

  image = IMAGE_FILE_MACHINE_I386;

  stackFrame.AddrPC.Offset = context.Eip;
  stackFrame.AddrReturn.Offset = context.Eip;
  stackFrame.AddrFrame.Offset = context.Ebp;
  stackFrame.AddrStack.Offset = context.Esp;

#elif defined STAR_ARCHITECTURE_X86_64

  RtlCaptureContext(&context);

  image = IMAGE_FILE_MACHINE_AMD64;

  stackFrame.AddrPC.Offset = context.Rip;
  stackFrame.AddrReturn.Offset = context.Rip;
  stackFrame.AddrFrame.Offset = context.Rbp;
  stackFrame.AddrStack.Offset = context.Rsp;