[clang] [compiler-rt] [llvm] [XRay][RISCV] RISCV support for XRay (PR #117368)

[Min-Yih Hsu via cfe-commits]

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@@ -0,0 +1,97 @@
+//===-- xray_trampoline_riscv_common.s --------------------------*- ASM -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of XRay, a dynamic runtime instrumentation system.
+//
+// This implements the trampolines code shared between riscv32 and riscv64.
+//
+//===----------------------------------------------------------------------===//
+
+#include "../builtins/assembly.h"
+#include "../sanitizer_common/sanitizer_asm.h"
+
+	.text
+	.p2align 2
+	.global ASM_SYMBOL(__xray_FunctionEntry)
+	ASM_TYPE_FUNCTION(__xray_FunctionEntry)
+ASM_SYMBOL(__xray_FunctionEntry):
+	CFI_STARTPROC
+        SAVE_ARG_REGISTERS
+
+	// Load the handler function pointer into a2
+	la	a2, ASM_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)
+	ld	a2, 0(a2)
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mshockwave wrote:

Oops, it's fixed now.

https://github.com/llvm/llvm-project/pull/117368