diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_win.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_win.cc | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/lib/sanitizer_common/sanitizer_win.cc b/lib/sanitizer_common/sanitizer_win.cc index da24df684..b7402ee51 100644 --- a/lib/sanitizer_common/sanitizer_win.cc +++ b/lib/sanitizer_common/sanitizer_win.cc @@ -17,9 +17,10 @@ #define WIN32_LEAN_AND_MEAN #define NOGDI -#include <stdlib.h> -#include <io.h> #include <windows.h> +#include <dbghelp.h> +#include <io.h> +#include <stdlib.h> #include "sanitizer_common.h" #include "sanitizer_libc.h" @@ -449,7 +450,30 @@ void StackTrace::SlowUnwindStack(uptr pc, uptr max_depth) { void StackTrace::SlowUnwindStackWithContext(uptr pc, void *context, uptr max_depth) { - UNREACHABLE("no signal context on windows"); + CONTEXT ctx = *(CONTEXT *)context; + STACKFRAME64 stack_frame; + memset(&stack_frame, 0, sizeof(stack_frame)); + size = 0; +#if defined(_WIN64) + int machine_type = IMAGE_FILE_MACHINE_AMD64; + stack_frame.AddrPC.Offset = ctx.Rip; + stack_frame.AddrFrame.Offset = ctx.Rbp; + stack_frame.AddrStack.Offset = ctx.Rsp; +#else + int machine_type = IMAGE_FILE_MACHINE_I386; + stack_frame.AddrPC.Offset = ctx.Eip; + stack_frame.AddrFrame.Offset = ctx.Ebp; + stack_frame.AddrStack.Offset = ctx.Esp; +#endif + stack_frame.AddrPC.Mode = AddrModeFlat; + stack_frame.AddrFrame.Mode = AddrModeFlat; + stack_frame.AddrStack.Mode = AddrModeFlat; + while (StackWalk64(machine_type, GetCurrentProcess(), GetCurrentThread(), + &stack_frame, &ctx, NULL, &SymFunctionTableAccess64, + &SymGetModuleBase64, NULL) && + size < Min(max_depth, kStackTraceMax)) { + trace[size++] = (uptr)stack_frame.AddrPC.Offset; + } } void MaybeOpenReportFile() { |