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comparison src/os/windows/vm/os_windows.cpp @ 11092:59b052799158

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8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace Summary: Dl_info struct should only be used if dladdr() has returned non-zero (no errors) and always check the dladdr() return value; Dl_info.dli_sname and Dl_info.dli_saddr fields should only be used if non-NULL; update/improve runtime/6888954/vmerrors.sh test Reviewed-by: dsamersoff, zgu, hseigel, coleenp
author dcubed
date Thu, 04 Jul 2013 21:10:17 -0700
parents 1f4355cee9a2
children a74ec8831c7b 5e3b6f79d280
comparison
equal deleted inserted replaced
11091:a55aa67bce1a 11092:59b052799158
1418 return 0; 1418 return 0;
1419 } 1419 }
1420 1420
1421 bool os::dll_address_to_library_name(address addr, char* buf, 1421 bool os::dll_address_to_library_name(address addr, char* buf,
1422 int buflen, int* offset) { 1422 int buflen, int* offset) {
1423 // buf is not optional, but offset is optional
1424 assert(buf != NULL, "sanity check");
1425
1423 // NOTE: the reason we don't use SymGetModuleInfo() is it doesn't always 1426 // NOTE: the reason we don't use SymGetModuleInfo() is it doesn't always
1424 // return the full path to the DLL file, sometimes it returns path 1427 // return the full path to the DLL file, sometimes it returns path
1425 // to the corresponding PDB file (debug info); sometimes it only 1428 // to the corresponding PDB file (debug info); sometimes it only
1426 // returns partial path, which makes life painful. 1429 // returns partial path, which makes life painful.
1427 1430
1428 struct _modinfo mi; 1431 struct _modinfo mi;
1429 mi.addr = addr; 1432 mi.addr = addr;
1430 mi.full_path = buf; 1433 mi.full_path = buf;
1431 mi.buflen = buflen; 1434 mi.buflen = buflen;
1432 int pid = os::current_process_id(); 1435 int pid = os::current_process_id();
1433 if (enumerate_modules(pid, _locate_module_by_addr, (void *)&mi)) { 1436 if (enumerate_modules(pid, _locate_module_by_addr, (void *)&mi)) {
1434 // buf already contains path name 1437 // buf already contains path name
1435 if (offset) *offset = addr - mi.base_addr; 1438 if (offset) *offset = addr - mi.base_addr;
1436 return true; 1439 return true;
1437 } else { 1440 }
1438 if (buf) buf[0] = '\0'; 1441
1439 if (offset) *offset = -1; 1442 buf[0] = '\0';
1440 return false; 1443 if (offset) *offset = -1;
1441 } 1444 return false;
1442 } 1445 }
1443 1446
1444 bool os::dll_address_to_function_name(address addr, char *buf, 1447 bool os::dll_address_to_function_name(address addr, char *buf,
1445 int buflen, int *offset) { 1448 int buflen, int *offset) {
1449 // buf is not optional, but offset is optional
1450 assert(buf != NULL, "sanity check");
1451
1446 if (Decoder::decode(addr, buf, buflen, offset)) { 1452 if (Decoder::decode(addr, buf, buflen, offset)) {
1447 return true; 1453 return true;
1448 } 1454 }
1449 if (offset != NULL) *offset = -1; 1455 if (offset != NULL) *offset = -1;
1450 if (buf != NULL) buf[0] = '\0'; 1456 buf[0] = '\0';
1451 return false; 1457 return false;
1452 } 1458 }
1453 1459
1454 // save the start and end address of jvm.dll into param[0] and param[1] 1460 // save the start and end address of jvm.dll into param[0] and param[1]
1455 static int _locate_jvm_dll(int pid, char* mod_fname, address base_addr, 1461 static int _locate_jvm_dll(int pid, char* mod_fname, address base_addr,
2687 } 2693 }
2688 return (address)-1; 2694 return (address)-1;
2689 } 2695 }
2690 #endif 2696 #endif
2691 2697
2698 #ifndef PRODUCT
2699 void os::win32::call_test_func_with_wrapper(void (*funcPtr)(void)) {
2700 // Install a win32 structured exception handler around the test
2701 // function call so the VM can generate an error dump if needed.
2702 __try {
2703 (*funcPtr)();
2704 } __except(topLevelExceptionFilter(
2705 (_EXCEPTION_POINTERS*)_exception_info())) {
2706 // Nothing to do.
2707 }
2708 }
2709 #endif
2710
2692 // Virtual Memory 2711 // Virtual Memory
2693 2712
2694 int os::vm_page_size() { return os::win32::vm_page_size(); } 2713 int os::vm_page_size() { return os::win32::vm_page_size(); }
2695 int os::vm_allocation_granularity() { 2714 int os::vm_allocation_granularity() {
2696 return os::win32::vm_allocation_granularity(); 2715 return os::win32::vm_allocation_granularity();