301 #endif
302
303 // Done
304 return;
305 }
306
307 void os::breakpoint() {
308 DebugBreak();
309 }
310
311 // Invoked from the BREAKPOINT Macro
312 extern "C" void breakpoint() {
313 os::breakpoint();
314 }
315
316 // RtlCaptureStackBackTrace Windows API may not exist prior to Windows XP.
317 // So far, this method is only used by Native Memory Tracking, which is
318 // only supported on Windows XP or later.
319 //
320 int os::get_native_stack(address* stack, int frames, int toSkip) {
321 #ifdef _NMT_NOINLINE_
322 toSkip++;
323 #endif
324 int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);
325 for (int index = captured; index < frames; index ++) {
326 stack[index] = NULL;
327 }
328 return captured;
329 }
330
331
332 // os::current_stack_base()
333 //
334 // Returns the base of the stack, which is the stack's
335 // starting address. This function must be called
336 // while running on the stack of the thread being queried.
337
338 address os::current_stack_base() {
339 MEMORY_BASIC_INFORMATION minfo;
340 address stack_bottom;
341 size_t stack_size;
342
343 VirtualQuery(&minfo, &minfo, sizeof(minfo));
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301 #endif
302
303 // Done
304 return;
305 }
306
307 void os::breakpoint() {
308 DebugBreak();
309 }
310
311 // Invoked from the BREAKPOINT Macro
312 extern "C" void breakpoint() {
313 os::breakpoint();
314 }
315
316 // RtlCaptureStackBackTrace Windows API may not exist prior to Windows XP.
317 // So far, this method is only used by Native Memory Tracking, which is
318 // only supported on Windows XP or later.
319 //
320 int os::get_native_stack(address* stack, int frames, int toSkip) {
321 int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);
322 for (int index = captured; index < frames; index ++) {
323 stack[index] = NULL;
324 }
325 return captured;
326 }
327
328
329 // os::current_stack_base()
330 //
331 // Returns the base of the stack, which is the stack's
332 // starting address. This function must be called
333 // while running on the stack of the thread being queried.
334
335 address os::current_stack_base() {
336 MEMORY_BASIC_INFORMATION minfo;
337 address stack_bottom;
338 size_t stack_size;
339
340 VirtualQuery(&minfo, &minfo, sizeof(minfo));
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