[compiler-rt] [llvm] [UBSan][AMDGPU] Report minimal-runtime diagnostics with symbolization (PR #204705)

[Joseph Huber via llvm-commits]

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@@ -0,0 +1,42 @@
+//===-- sanitizer/gpu_sanitizer.h -------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Shared ABI contract for GPU sanitizer reports shipped to the host over RPC.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SANITIZER_GPU_SANITIZER_H
+#define SANITIZER_GPU_SANITIZER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SANITIZER_GPU_OPCODE(n) (('s' << 24) | (n))
+
+#define UBSAN_GPU_REPORT_OPCODE SANITIZER_GPU_OPCODE(0)
+
+/// Longest minimal handler kind ("function-type-mismatch") plus a NUL, sized so
+/// the report is one 64-byte RPC packet.
+#define UBSAN_GPU_KIND_MAX 24
+
+/// A single minimal-runtime UBSan diagnostic, shared verbatim across the
+/// device/host RPC boundary. 'pc' is a raw device address resolved on the host.
+typedef struct __ubsan_gpu_report {
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jhuber6 wrote:

Whoops, I was going to do that but forgot. (I actually added one in a later commit that builds off of this.) Fixed.

https://github.com/llvm/llvm-project/pull/204705