From 2bcf4bef2b3886e8023275d9378f546f6f9e5aa1 Mon Sep 17 00:00:00 2001
From: Jason Prado <jprado@fb.com>
Date: Tue, 29 Mar 2016 20:18:03 -0700
Subject: [PATCH] FBReactKit: use indirect jumps to external functions

Reviewed By: as106

Differential Revision: D3105839

fb-gh-sync-id: 24a8a215f65908b577891fb4b38366bad35cf6fc
fbshipit-source-id: 24a8a215f65908b577891fb4b38366bad35cf6fc
---
 React/Profiler/RCTProfileTrampoline-arm.S | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/React/Profiler/RCTProfileTrampoline-arm.S b/React/Profiler/RCTProfileTrampoline-arm.S
index 96f140b25..5725a5cb6 100644
--- a/React/Profiler/RCTProfileTrampoline-arm.S
+++ b/React/Profiler/RCTProfileTrampoline-arm.S
@@ -35,7 +35,10 @@ SYMBOL_NAME(RCTProfileTrampoline):
    * profile
    */
   mov r0, #0xc
-  bl SYMBOL_NAME(malloc)
+
+	ldr ip, LCPI_malloc
+	blx ip
+
   /**
    * r4 is the callee saved register we'll use to refer to the allocated memory,
    * store its initial value, so we can restore it later
@@ -87,10 +90,20 @@ SYMBOL_NAME(RCTProfileTrampoline):
   ldr r1, [r4, #0x8]
   ldr r4, [r4]
   push {r1} // save the caller on the stack
-  bl SYMBOL_NAME(free)
+
+	ldr ip, LCPI_free
+	blx ip
 
   pop {lr} // pop the caller
   pop {r0} // pop the return value
   bx lr // jump to the calleer
 
+	trap
+
+	.p2align 2
+LCPI_malloc:
+	.long SYMBOL_NAME(malloc)
+LCPI_free:
+	.long SYMBOL_NAME(free)
+
 #endif