diff options
Diffstat (limited to 'src/runtime/os_windows_amd64.c')
| -rw-r--r-- | src/runtime/os_windows_amd64.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/runtime/os_windows_amd64.c b/src/runtime/os_windows_amd64.c index 9a69d73c0..261880d45 100644 --- a/src/runtime/os_windows_amd64.c +++ b/src/runtime/os_windows_amd64.c @@ -32,8 +32,6 @@ runtime·dumpregs(Context *r) runtime·printf("gs %X\n", (uint64)r->SegGs); } -#define DBG_PRINTEXCEPTION_C 0x40010006 - // Called by sigtramp from Windows VEH handler. // Return value signals whether the exception has been handled (-1) // or should be made available to other handlers in the chain (0). @@ -44,34 +42,11 @@ runtime·sighandler(ExceptionRecord *info, Context *r, G *gp) uintptr *sp; extern byte runtime·text[], runtime·etext[]; - if(info->ExceptionCode == DBG_PRINTEXCEPTION_C) { - // This exception is intended to be caught by debuggers. - // There is a not-very-informational message like - // "Invalid parameter passed to C runtime function" - // sitting at info->ExceptionInformation[0] (a wchar_t*), - // with length info->ExceptionInformation[1]. - // The default behavior is to ignore this exception, - // but somehow returning 0 here (meaning keep going) - // makes the program crash instead. Maybe Windows has no - // other handler registered? In any event, ignore it. - return -1; - } - // Only handle exception if executing instructions in Go binary // (not Windows library code). if(r->Rip < (uint64)runtime·text || (uint64)runtime·etext < r->Rip) return 0; - switch(info->ExceptionCode) { - case EXCEPTION_BREAKPOINT: - // It is unclear whether this is needed, unclear whether it - // would work, and unclear how to test it. Leave out for now. - // This only handles breakpoint instructions written in the - // assembly sources, not breakpoints set by a debugger, and - // there are very few of the former. - break; - } - if(gp != nil && runtime·issigpanic(info->ExceptionCode)) { // Make it look like a call to the signal func. // Have to pass arguments out of band since |