From 2aa16dc44764485639921eb4adbbca429c3a4773 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Thu, 6 Jun 2013 19:12:10 +0200
Subject: Hotfix: Disable instrumentation on IO

---
 makefiles/toolchain_gnu-arm-eabi.mk | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'makefiles')

diff --git a/makefiles/toolchain_gnu-arm-eabi.mk b/makefiles/toolchain_gnu-arm-eabi.mk
index c75a08bd1..99c2776fd 100644
--- a/makefiles/toolchain_gnu-arm-eabi.mk
+++ b/makefiles/toolchain_gnu-arm-eabi.mk
@@ -70,6 +70,14 @@ ARCHCPUFLAGS_CORTEXM3	 = -mcpu=cortex-m3 \
 			   -march=armv7-m \
 			   -mfloat-abi=soft
 
+ARCHINSTRUMENTATIONDEFINES_CORTEXM4F = -finstrument-functions \
+			   -ffixed-r10
+
+ARCHINSTRUMENTATIONDEFINES_CORTEXM4 = -finstrument-functions \
+			   -ffixed-r10
+
+ARCHINSTRUMENTATIONDEFINES_CORTEXM3 = 
+
 # Pick the right set of flags for the architecture.
 #
 ARCHCPUFLAGS		 = $(ARCHCPUFLAGS_$(CONFIG_ARCH))
@@ -91,8 +99,8 @@ ARCHOPTIMIZATION	 = $(MAXOPTIMIZATION) \
 
 # enable precise stack overflow tracking
 # note - requires corresponding support in NuttX
-INSTRUMENTATIONDEFINES	 = -finstrument-functions \
-			   -ffixed-r10
+INSTRUMENTATIONDEFINES	 = $(ARCHINSTRUMENTATIONDEFINES_$(CONFIG_ARCH))
+
 # Language-specific flags
 #
 ARCHCFLAGS		 = -std=gnu99
-- 
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