fix for NRF51822 linker script

libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/NRF51822.ld

@@ -43,8 +43,8 @@ SECTIONS
 		KEEP(*(.Vectors))
 		*(.text*)
 
-		*(.init)
-		*(.fini)
+		KEEP(*(.init))
+		KEEP(*(.fini))
 
 		/* .ctors */
 		*crtbegin.o(.ctors)
@@ -62,7 +62,7 @@ SECTIONS
 
 		*(.rodata*)
 
-		*(.eh_frame*)
+		KEEP(*(.eh_frame*))
 	} > FLASH
 
 
@@ -89,22 +89,22 @@ SECTIONS
 		. = ALIGN(4);
 		/* preinit data */
 		PROVIDE_HIDDEN (__preinit_array_start = .);
-		*(.preinit_array)
+		KEEP(*(.preinit_array))
 		PROVIDE_HIDDEN (__preinit_array_end = .);
 
 		. = ALIGN(4);
 		/* init data */
 		PROVIDE_HIDDEN (__init_array_start = .);
-		*(SORT(.init_array.*))
-		*(.init_array)
+		KEEP(*(SORT(.init_array.*)))
+		KEEP(*(.init_array))
 		PROVIDE_HIDDEN (__init_array_end = .);
 
 
 		. = ALIGN(4);
 		/* finit data */
 		PROVIDE_HIDDEN (__fini_array_start = .);
-		*(SORT(.fini_array.*))
-		*(.fini_array)
+		KEEP(*(SORT(.fini_array.*)))
+		KEEP(*(.fini_array))
 		PROVIDE_HIDDEN (__fini_array_end = .);
 
 		*(.jcr)
@@ -149,4 +149,3 @@ SECTIONS
 	/* Check if data + heap + stack exceeds RAM limit */
 	ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
 }
-

workspace_tools/toolchains/gcc.py

@@ -75,10 +75,7 @@ class GCC(mbedToolchain):
             self.cc  = [join(GOANNA_PATH, "goannacc"), "--with-cc=" + main_cc.replace('\\', '/'), "-std=gnu99", "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT] + common_flags
             self.cppc= [join(GOANNA_PATH, "goannac++"), "--with-cxx=" + main_cppc.replace('\\', '/'), "-std=gnu++98", "-fno-rtti", "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT] + common_flags
 
-        if target.name in ["NRF51822"]:
-            self.ld = [join(tool_path, "arm-none-eabi-gcc"), "-Wl,--wrap,main"] + self.cpu
-        else:
-            self.ld = [join(tool_path, "arm-none-eabi-gcc"), "-Wl,--gc-sections", "-Wl,--wrap,main"] + self.cpu
+        self.ld = [join(tool_path, "arm-none-eabi-gcc"), "-Wl,--gc-sections", "-Wl,--wrap,main"] + self.cpu
         self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"]
 
         self.ar = join(tool_path, "arm-none-eabi-ar")