From 535b196ab2b6352479f2f18b20bb9ff90d8de34f Mon Sep 17 00:00:00 2001
From: David Saada <david.saada@arm.com>
Date: Wed, 13 Jun 2018 17:22:58 +0300
Subject: [PATCH] FlashIAP: Add a ROM end macro

---
 drivers/FlashIAP.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/FlashIAP.h b/drivers/FlashIAP.h
index 92a93996768..1699b692453 100644
--- a/drivers/FlashIAP.h
+++ b/drivers/FlashIAP.h
@@ -28,6 +28,20 @@
 #include "platform/SingletonPtr.h"
 #include "platform/PlatformMutex.h"
 #include "platform/NonCopyable.h"
+#include <algorithm>
+
+// Export ROM end address
+#if defined(TOOLCHAIN_GCC_ARM)
+extern uint32_t __etext;
+#define FLASHIAP_ROM_END ((uint32_t) &__etext)
+#elif defined(TOOLCHAIN_ARM)
+extern uint32_t Load$$LR$$LR_IROM1$$Limit[];
+#define FLASHIAP_ROM_END ((uint32_t)Load$$LR$$LR_IROM1$$Limit)
+#elif defined(TOOLCHAIN_IAR)
+#pragma section=".rodata"
+#pragma section=".text"
+#define FLASHIAP_ROM_END (std::max((uint32_t) __section_end(".rodata"), (uint32_t) __section_end(".text")))
+#endif
 
 namespace mbed {