我本来打算发表评论,但这变得更大了,所以一个答案
使用将windbg设置为事后调试器Windbg -I
还将所有未处理的异常路由到windbg
Windbg -I should Register windbg as postmortem debugger by default
如果您不想调试每个程序,则
在 AeDebug 注册表项中将自动设置为 1,您可以将其编辑为 0
,以便在 wer 对话框中为您提供额外的 DoYouWanttoDebug 选项
reg query "hklm\software\microsoft\windows nt\currentversion\aedebug"
HKEY_LOCAL_MACHINE\software\microsoft\windows nt\currentversion\aedebug
Debugger REG_SZ "xxxxxxxxxx\windbg.exe" -p %ld -e %ld -g
Auto REG_SZ 0
假设您注册了一个事后调试器并运行此代码
#include <stdio.h>
#include <stdlib.h>
int main (void)
{
unsigned long input[] = {1,45,0xf001,0xffffffff};
int i = 0;
char buf[5] = {0};
for(i=0;i<_countof(input);i++)
{
_ultoa_s(input[i],buf,sizeof(buf),16);
printf("%s\n",buf);
}
return 1;
}
在例外情况下,您将看到这样的 wer 对话框
你现在可以选择调试这个程序
Windows 还会将未处理异常的退出代码写入事件日志
您可以使用 powershell 来检索一个这样的事件
PS C:\> Get-EventLog -LogName Application -Source "Application Error" -newest 1| format-list
Index : 577102
EntryType : Error
InstanceId : 1000
Message : Faulting application name:
ultos.exe, version: 0.0.0.0, time stamp: 0x577680f1
Faulting module name: ultos.exe, version:
0.0.0.0, time stamp: 0x577680f1
Exception code: 0xc0000417
Fault offset: 0x000211c2
Faulting process id: 0x4a8
Faulting application start time: 0x01d1d3aaf61c8aaa
Faulting application path: E:\test\ulto\ultos.exe
Faulting module path: E:\test\ulto\ultos.exe
Report Id: 348d86fc-3f9e-11e6-ade2-005056c00008
Category : Application Crashing Events
CategoryNumber : 100
ReplacementStrings : {ultos.exe, 0.0.0.0, 577680f1, ultos.exe...}
Source : Application Error
TimeGenerated : 7/1/2016 8:42:21 PM
TimeWritten : 7/1/2016 8:42:21 PM
UserName :
如果你选择调试
您可以查看 CallStack
0:000> kPL
# ChildEBP RetAddr
00 001ffdc8 77cf68d4 ntdll!KiFastSystemCallRet
01 001ffdcc 75e91fdb ntdll!NtTerminateProcess+0xc
02 001ffddc 012911d3 KERNELBASE!TerminateProcess+0x2c
03 001ffdec 01291174 ultos!_invoke_watson(
wchar_t * expression = 0x00000000 "",
wchar_t * function_name = 0x00000000 "",
wchar_t * file_name = 0x00000000 "",
unsigned int line_number = 0,
unsigned int reserved = 0)+0x31
04 001ffe10 01291181 ultos!_invalid_parameter(
wchar_t * expression = <Value unavailable error>,
wchar_t * function_name = <Value unavailable error>,
wchar_t * file_name = <Value unavailable error>,
unsigned int line_number = <Value unavailable error>,
unsigned int reserved = <Value unavailable error>)+0x7a
05 001ffe28 0128ad96 ultos!_invalid_parameter_noinfo(void)+0xc
06 001ffe3c 0128affa ultos!common_xtox<unsigned long,char>(
unsigned long original_value = 0xffffffff,
char * buffer = 0x001ffea4 "",
unsigned int buffer_count = 5,
unsigned int radix = 0x10,
bool is_negative = false)+0x58
07 001ffe5c 0128b496 ultos!common_xtox_s<unsigned long,char>(
unsigned long value = 0xffffffff,
char * buffer = 0x001ffea4 "",
unsigned int buffer_count = 5,
unsigned int radix = 0x10,
bool is_negative = false)+0x59
08 001ffe78 012712b2 ultos!_ultoa_s(
unsigned long value = 0xffffffff,
char * buffer = 0x001ffea4 "",
unsigned int buffer_count = 5,
int radix = 0n16)+0x18
09 001ffeac 0127151b ultos!main(void)+0x52
0a (Inline) -------- ultos!invoke_main+0x1d
0b 001ffef8 76403c45 ultos!__scrt_common_main_seh(void)+0xff
0c 001fff04 77d137f5 kernel32!BaseThreadInitThunk+0xe
0d 001fff44 77d137c8 ntdll!__RtlUserThreadStart+0x70
0e 001fff5c 00000000 ntdll!_RtlUserThreadStart+0x1b