Target_Freescale: Set the heap size and limit

Author: Deepika

targets/TARGET_Freescale/TARGET_K20XX/TARGET_K20D50M/device/TOOLCHAIN_GCC_ARM/MK20D5.ld

@@ -147,6 +147,7 @@ SECTIONS
         __end__ = .;
         end = __end__;
         *(.heap*)
+        . = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
         __HeapLimit = .;
     } > RAM
 

targets/TARGET_Freescale/TARGET_K20XX/TARGET_TEENSY3_1/device/TOOLCHAIN_GCC_ARM/MK20DX256.ld

@@ -148,6 +148,7 @@ SECTIONS
         __end__ = .;
         end = __end__;
         *(.heap*)
+        . = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
         __HeapLimit = .;
     } > RAM
 

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL05Z/device/TOOLCHAIN_GCC_ARM/MKL05Z4.ld

@@ -138,6 +138,7 @@ SECTIONS
         __end__ = .;
         end = __end__;
         *(.heap*)
+        .= ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
         __HeapLimit = .;
     } > RAM
 

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/device/TOOLCHAIN_GCC_ARM/MKL25Z4.ld

@@ -147,6 +147,7 @@ SECTIONS
         __end__ = .;
         end = __end__;
         *(.heap*)
+        .= ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
         __HeapLimit = .;
     } > RAM
 

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/device/TOOLCHAIN_GCC_CW_NEWLIB/MKL25Z4.ld

@@ -0,0 +1,160 @@
+/* Linker script for mbed LPC1768 */
+
+#if !defined(MBED_BOOT_STACK_SIZE)
+    #define MBED_BOOT_STACK_SIZE 0x400
+#endif
+
+STACK_SIZE = MBED_BOOT_STACK_SIZE;
+
+/* Linker script to configure memory regions. */
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
+  RAM (rwx) : ORIGIN = 0x1FFFF0C0, LENGTH = 0x3F40
+}
+
+/* Linker script to place sections and symbol values. Should be used together
+ * with other linker script that defines memory regions FLASH and RAM.
+ * It references following symbols, which must be defined in code:
+ *   Reset_Handler : Entry of reset handler
+ * 
+ * It defines following symbols, which code can use without definition:
+ *   __exidx_start
+ *   __exidx_end
+ *   __etext
+ *   __data_start__
+ *   __preinit_array_start
+ *   __preinit_array_end
+ *   __init_array_start
+ *   __init_array_end
+ *   __fini_array_start
+ *   __fini_array_end
+ *   __data_end__
+ *   __bss_start__
+ *   __bss_end__
+ *   __end__
+ *   end
+ *   __HeapLimit
+ *   __StackLimit
+ *   __StackTop
+ *   __stack
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+    .text :
+    {
+        KEEP(*(.isr_vector))
+        *(.text.Reset_Handler)
+        *(.text.SystemInit)
+        
+        /* Only vectors and code running at reset are safe to be in first 512
+           bytes since RAM can be mapped into this area for RAM based interrupt
+           vectors. */
+        . = 0x00000200;
+        *(.text*)
+
+        KEEP(*(.init))
+        KEEP(*(.fini))
+
+        /* .ctors */
+        *crtbegin.o(.ctors)
+        *crtbegin?.o(.ctors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+        *(SORT(.ctors.*))
+        *(.ctors)
+
+        /* .dtors */
+        *crtbegin.o(.dtors)
+        *crtbegin?.o(.dtors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+        *(SORT(.dtors.*))
+        *(.dtors)
+
+        *(.rodata*)
+
+        KEEP(*(.eh_frame*))
+    } > FLASH
+
+    .ARM.extab : 
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > FLASH
+
+    __exidx_start = .;
+    .ARM.exidx :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } > FLASH
+    __exidx_end = .;
+
+    __etext = .;
+        
+    .data : AT (__etext)
+    {
+        __data_start__ = .;
+        *(vtable)
+        *(.data*)
+
+        . = ALIGN(8);
+        /* preinit data */
+        PROVIDE (__preinit_array_start = .);
+        KEEP(*(.preinit_array))
+        PROVIDE (__preinit_array_end = .);
+
+        . = ALIGN(8);
+        /* init data */
+        PROVIDE (__init_array_start = .);
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array))
+        PROVIDE (__init_array_end = .);
+
+
+        . = ALIGN(8);
+        /* finit data */
+        PROVIDE (__fini_array_start = .);
+        KEEP(*(SORT(.fini_array.*)))
+        KEEP(*(.fini_array))
+        PROVIDE (__fini_array_end = .);
+
+        . = ALIGN(8);
+        /* All data end */
+        __data_end__ = .;
+
+    } > RAM
+
+    .bss :
+    {
+        __bss_start__ = .;
+        *(.bss*)
+        *(COMMON)
+        __bss_end__ = .;
+    } > RAM
+    
+    .heap :
+    {
+        __end__ = .;
+        end = __end__;
+        *(.heap*)
+        . = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
+        __HeapLimit = .;
+    } > RAM
+
+    /* .stack_dummy section doesn't contains any symbols. It is only
+     * used for linker to calculate size of stack sections, and assign
+     * values to stack symbols later */
+    .stack_dummy :
+    {
+        *(.stack)
+    } > RAM
+
+    /* Set stack top to end of RAM, and stack limit move down by
+     * size of stack_dummy section */
+    __StackTop = ORIGIN(RAM) + LENGTH(RAM);
+    __StackLimit = __StackTop - STACK_SIZE;
+    PROVIDE(__stack = __StackTop);
+    
+    /* Check if data + heap + stack exceeds RAM limit */
+    ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
+}

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL26Z/device/TOOLCHAIN_GCC_ARM/MKL26Z4.ld

@@ -147,6 +147,7 @@ SECTIONS
         __end__ = .;
         end = __end__;
         *(.heap*)
+        . = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
         __HeapLimit = .;
     } > RAM
 

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL46Z/device/TOOLCHAIN_GCC_ARM/MKL46Z4.ld

@@ -147,6 +147,7 @@ SECTIONS
         __end__ = .;
         end = __end__;
         *(.heap*)
+        . = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
         __HeapLimit = .;
     } > RAM
 

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K66F/device/TOOLCHAIN_GCC_ARM/MK66FN2M0xxx18.ld

@@ -67,7 +67,6 @@ __heap_size__ = 0x6000;
   #define MBED_APP_SIZE 0x200000
 #endif
 
-HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
 STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
 M_VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x0400 : 0x0;
 M_CRASH_DATA_RAM_SIZE = 0x100;
@@ -253,7 +252,7 @@ SECTIONS
     __end__ = .;
     PROVIDE(end = .);
     __HeapBase = .;
-    . += HEAP_SIZE;
+    . = ORIGIN(m_data_2) + LENGTH(m_data_2) - STACK_SIZE;
     __HeapLimit = .;
     __heap_limit = .; /* Add for _sbrk */
   } > m_data_2

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/device/TOOLCHAIN_GCC_ARM/MK82FN256xxx15.ld

@@ -60,9 +60,6 @@ __ram_vector_table__ = 1;
  * the stack where main runs is determined via the RTOS. */
 __stack_size__ = MBED_BOOT_STACK_SIZE;
 
-__heap_size__ = 0x6000;
-
-HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
 STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
 M_VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x03C0 : 0x0;
 
@@ -247,7 +244,7 @@ SECTIONS
     __end__ = .;
     PROVIDE(end = .);
     __HeapBase = .;
-    . += HEAP_SIZE;
+    . = ORIGIN(m_data_2) + LENGTH(m_data_2) - STACK_SIZE;
     __HeapLimit = .;
     __heap_limit = .; /* Add for _sbrk */
   } > m_data_2

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/device/TOOLCHAIN_GCC_ARM/MKL27Z64xxx4.ld

@@ -57,13 +57,8 @@ __ram_vector_table__ = 1;
     #define MBED_BOOT_STACK_SIZE 0x400
 #endif
 
-/* With the RTOS in use, this does not affect the main stack size. The size of
- * the stack where main runs is determined via the RTOS. */
 __stack_size__ = MBED_BOOT_STACK_SIZE;
-/* With the RTOS in use, this does not affect the main heap size. */
-__heap_size__ = 0x0;
 
-HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
 STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
 M_VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x0200 : 0x0;
 
@@ -249,7 +244,7 @@ SECTIONS
     __end__ = .;
     PROVIDE(end = .);
     __HeapBase = .;
-    . += HEAP_SIZE;
+    . = ORIGIN(m_data) + LENGTH(m_data) - STACK_SIZE;
     __HeapLimit = .;
     __heap_limit = .; /* Add for _sbrk */
   } > m_data