xplat-arm: implement missing arm_Thunks after xplat Debugger support

Author: obastemur

lib/Runtime/Language/CMakeLists.txt

@@ -80,6 +80,7 @@ elseif(CC_TARGETS_X86)
 elseif(CC_TARGETS_ARM)
     set (CRL_SOURCE_FILES ${CRL_SOURCE_FILES}
         arm/StackFrame.cpp
+        arm/arm_Thunks.S
     )
 endif()
 

lib/Runtime/Language/arm/arm_Thunks.S

@@ -0,0 +1,45 @@
+// -------------------------------------------------------------------------------------------------------
+// Copyright (C) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
+// -------------------------------------------------------------------------------------------------------
+
+#include "unixasmmacros.inc"
+
+.syntax unified
+.thumb
+
+.global C_FUNC(_ZN2Js13ScriptContext31ProfileModeDeferredParsingThunkEPNS_16RecyclableObjectENS_8CallInfoEz)
+.global C_FUNC(_ZN2Js13ScriptContext35ProfileModeDeferredDeserializeThunkEPNS_16RecyclableObjectENS_8CallInfoEz)
+
+NESTED_ENTRY _ZN2Js13ScriptContext31ProfileModeDeferredParsingThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler
+
+    PROLOG_PUSH {r0-r3}
+    PROLOG_PUSH {r11}
+    PROLOG_PUSH {lr}      // save volatile registers
+
+    mov  r0, sp           // Pass the address of the function at the saved r0 in case it need to be boxed
+    bl   C_FUNC(_ZN2Js13ScriptContext24ProfileModeDeferredParseEPPNS_14ScriptFunctionE)
+    mov  r12, r0          // back up entry point
+
+    EPILOG_POP {lr}
+    EPILOG_POP {r11}
+    EPILOG_POP {r0-r3}   // restore arguments and return address
+
+    bx   r12             // jump (tail call) to new entryPoint
+NESTED_END _ZN2Js13ScriptContext31ProfileModeDeferredParsingThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT
+
+
+NESTED_ENTRY _ZN2Js13ScriptContext35ProfileModeDeferredDeserializeThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler
+    PROLOG_PUSH {r0-r3}
+    PROLOG_PUSH {r11}
+    PROLOG_PUSH {lr}     // save volatile registers
+
+    bl C_FUNC(_ZN2Js13ScriptContext30ProfileModeDeferredDeserializeEPNS_14ScriptFunctionE)
+    mov  r12, r0         // backup entry point
+
+    EPILOG_POP {lr}
+    EPILOG_POP {r11}
+    EPILOG_POP {r0-r3}   // restore arguments and return address
+
+    bx   r12             // jump (tail call) to new entryPoint
+NESTED_END _ZN2Js13ScriptContext35ProfileModeDeferredDeserializeThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT