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49 lines
2.1 KiB
Diff
49 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Tyler Veness <calcmogul@gmail.com>
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Date: Tue, 17 Sep 2024 21:19:52 -0700
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Subject: [PATCH 16/33] ErrorHandling: remove call to RtlGetLastNtStatus()
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---
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llvm/lib/Support/ErrorHandling.cpp | 23 -----------------------
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1 file changed, 23 deletions(-)
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diff --git a/llvm/lib/Support/ErrorHandling.cpp b/llvm/lib/Support/ErrorHandling.cpp
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index cc0e4665da20b619f0cf52a25b0c71bdf78e62f6..69328303a1cc0cc6e210de5adbb4fdafafbe978f 100644
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--- a/llvm/lib/Support/ErrorHandling.cpp
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+++ b/llvm/lib/Support/ErrorHandling.cpp
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@@ -240,34 +240,11 @@ void LLVMResetFatalErrorHandler() {
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#include <ntstatus.h>
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#include <winerror.h>
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-// This is equivalent to NtCurrentTeb()->LastStatusValue, but the public
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-// _TEB definition does not expose the LastStatusValue field directly.
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-// Avoid offsetting into this structure by calling RtlGetLastNtStatus
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-// from ntdll.dll.
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-//
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-// The return of this function will roughly match that of
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-// GetLastError, but this lower level API disambiguates some cases
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-// that GetLastError does not.
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-//
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-// For more information, see:
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-// https://www.geoffchappell.com/studies/windows/km/ntoskrnl/inc/api/pebteb/teb/index.htm
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-// https://github.com/llvm/llvm-project/issues/89137
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-extern "C" NTSYSAPI NTSTATUS NTAPI RtlGetLastNtStatus();
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-
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// This function obtains the last error code and maps it. It may call
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// RtlGetLastNtStatus, which is a lower level API that can return a
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// more specific error code than GetLastError.
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std::error_code llvm::mapLastWindowsError() {
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unsigned EV = ::GetLastError();
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- // The mapping of NTSTATUS to Win32 error loses some information; special
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- // case the generic ERROR_ACCESS_DENIED code to check the underlying
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- // NTSTATUS and potentially return a more accurate error code.
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- if (EV == ERROR_ACCESS_DENIED) {
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- llvm::errc code = RtlGetLastNtStatus() == STATUS_DELETE_PENDING
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- ? errc::delete_pending
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- : errc::permission_denied;
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- return make_error_code(code);
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- }
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return mapWindowsError(EV);
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}
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