1 files changed, 99 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/xray/xray_trampoline_hexagon.S b/contrib/llvm-project/compiler-rt/lib/xray/xray_trampoline_hexagon.S
new file mode 100644
index 000000000000..c87ec4bed1f9
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/xray/xray_trampoline_hexagon.S
@@ -0,0 +1,99 @@
+//===-- xray_trampoline_hexagon.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 hexagon-specific assembler for the trampolines.
+//
+//===----------------------------------------------------------------------===//
+
+#include "../builtins/assembly.h"
+#include "../sanitizer_common/sanitizer_asm.h"
+
+.macro SAVE_REGISTERS
+memw(sp+#0)=r0
+memw(sp+#4)=r1
+memw(sp+#8)=r2
+memw(sp+#12)=r3
+memw(sp+#16)=r4
+.endm
+.macro RESTORE_REGISTERS
+r0=memw(sp+#0)
+r1=memw(sp+#4)
+r2=memw(sp+#8)
+r3=memw(sp+#12)
+r4=memw(sp+#16)
+.endm
+
+.macro CALL_PATCHED_FUNC entry_type
+	// if (xray::XRayPatchedFunctionE != NULL)
+	//     xray::XRayPatchedFunctionE(FuncType);
+
+	r8 = #ASM_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)
+
+	// The patched sled puts the function type
+	// into r6.  Move it into r0 to pass it to
+	// the patched function.
+	{ r0 = r6
+          r1 = \entry_type
+          p0 = !cmp.eq(r8, #0)
+	  if (p0) callr r8 }
+.endm
+
+	.text
+	.globl ASM_SYMBOL(__xray_FunctionEntry)
+	ASM_HIDDEN(__xray_FunctionEntry)
+	ASM_TYPE_FUNCTION(__xray_FunctionEntry)
+# LLVM-MCA-BEGIN __xray_FunctionEntry
+ASM_SYMBOL(__xray_FunctionEntry):
+	CFI_STARTPROC
+	SAVE_REGISTERS
+
+	CALL_PATCHED_FUNC #0  // XRayEntryType::ENTRY
+.Ltmp0:
+	RESTORE_REGISTERS
+	// return
+# LLVM-MCA-END
+	ASM_SIZE(__xray_FunctionEntry)
+	CFI_ENDPROC
+
+
+	.globl ASM_SYMBOL(__xray_FunctionExit)
+	ASM_HIDDEN(__xray_FunctionExit)
+	ASM_TYPE_FUNCTION(__xray_FunctionExit)
+# LLVM-MCA-BEGIN __xray_FunctionExit
+ASM_SYMBOL(__xray_FunctionExit):
+	CFI_STARTPROC
+	SAVE_REGISTERS
+
+	CALL_PATCHED_FUNC #1  // XRayEntryType::EXIT
+.Ltmp1:
+	RESTORE_REGISTERS
+	// return
+	jumpr r31
+# LLVM-MCA-END
+	ASM_SIZE(__xray_FunctionExit)
+	CFI_ENDPROC
+
+
+	.globl ASM_SYMBOL(__xray_FunctionTailExit)
+	ASM_HIDDEN(__xray_FunctionTailExit)
+	ASM_TYPE_FUNCTION(__xray_FunctionTailExit)
+# LLVM-MCA-BEGIN __xray_FunctionTailExit
+ASM_SYMBOL(__xray_FunctionTailExit):
+	CFI_STARTPROC
+	SAVE_REGISTERS
+
+	CALL_PATCHED_FUNC #2  // XRayEntryType::TAIL
+.Ltmp2:
+	RESTORE_REGISTERS
+	// return
+	jumpr r31
+# LLVM-MCA-END
+	ASM_SIZE(__xray_FunctionTailExit)
+	CFI_ENDPROC