board-specifc linker scripts

1 files changed, 220 insertions, 0 deletions

diff --git a/support/ld/maple/ram.ld b/support/ld/maple/ram.ld
new file mode 100644
index 0000000..1fbecc5
--- /dev/null
+++ b/support/ld/maple/ram.ld
@@ -0,0 +1,220 @@
+/* Linker script for STM32 (by Lanchon with Mods by LeafLabs)

+ *

+ * Version:Sourcery G++ 4.2-84

+ * BugURL:https://support.codesourcery.com/GNUToolchain/

+ *

+ *  Copyright 2007 CodeSourcery.

+ *

+ * The authors hereby grant permission to use, copy, modify, distribute,

+ * and license this software and its documentation for any purpose, provided

+ * that existing copyright notices are retained in all copies and that this

+ * notice is included verbatim in any distributions. No written agreement,

+ * license, or royalty fee is required for any of the authorized uses.

+ * Modifications to this software may be copyrighted by their authors

+ * and need not follow the licensing terms described here, provided that

+ * the new terms are clearly indicated on the first page of each file where

+ * they apply. */

+

+/* Linker script for STM32 (by Lanchon),

+ * ROM and RAM relocated to their positions 

+ * as placed by Maple bootloader

+ *

+ * Configure target memory and included script

+ * according to your application requirements. */

+

+/* Define memory spaces. */

+MEMORY

+{

+  ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 17K

+  rom (rx)  : ORIGIN = 0x08005000, LENGTH = 0K

+}

+

+

+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")

+ENTRY(_start)

+SEARCH_DIR(.)

+/* GROUP(-lgcc -lc -lcs3 -lcs3unhosted -lcs3-lanchon-stm32) */

+GROUP(libgcc.a libc.a libm.a libcs3-lanchon-stm32.a)

+

+/* These force the linker to search for particular symbols from

+ * the start of the link process and thus ensure the user's

+ * overrides are picked up

+ */

+EXTERN(__cs3_reset_lanchon_stm32)

+INCLUDE names.inc

+EXTERN(__cs3_interrupt_vector_lanchon_stm32)

+EXTERN(__cs3_start_c main __cs3_stack __cs3_heap_end)

+EXTERN(_start)

+

+PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);

+PROVIDE(__cs3_heap_start = _end);

+PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);

+

+SECTIONS

+{

+  .text :

+  {

+    CREATE_OBJECT_SYMBOLS

+    __cs3_region_start_ram = .;

+    *(.cs3.region-head.ram)

+    __cs3_interrupt_vector = __cs3_interrupt_vector_lanchon_stm32;

+    *(.cs3.interrupt_vector)

+    /* Make sure we pulled in an interrupt vector.  */

+    ASSERT (. != __cs3_interrupt_vector_lanchon_stm32, "No interrupt vector");

+

+    PROVIDE(__cs3_reset_lanchon_stm32 = _start);

+    __cs3_reset = __cs3_reset_lanchon_stm32;

+    *(.cs3.reset)

+

+    *(.text .text.* .gnu.linkonce.t.*)

+    *(.plt)

+    *(.gnu.warning)

+    *(.glue_7t) *(.glue_7) *(.vfp11_veneer)

+

+    *(.rodata .rodata.* .gnu.linkonce.r.*)

+

+    *(.ARM.extab* .gnu.linkonce.armextab.*)

+    *(.gcc_except_table)

+    *(.eh_frame_hdr)

+    *(.eh_frame)

+

+    . = ALIGN(4);

+    KEEP(*(.init))

+

+    . = ALIGN(4);

+    __preinit_array_start = .;

+    KEEP (*(.preinit_array))

+    __preinit_array_end = .;

+

+    . = ALIGN(4);

+    __init_array_start = .;

+    KEEP (*(SORT(.init_array.*)))

+    KEEP (*(.init_array))

+    __init_array_end = .;

+

+    . = ALIGN(0x4);

+    KEEP (*crtbegin.o(.ctors))

+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))

+    KEEP (*(SORT(.ctors.*)))

+    KEEP (*crtend.o(.ctors))

+

+    . = ALIGN(4);

+    KEEP(*(.fini))

+

+    . = ALIGN(4);

+    __fini_array_start = .;

+    KEEP (*(.fini_array))

+    KEEP (*(SORT(.fini_array.*)))

+    __fini_array_end = .;

+

+    KEEP (*crtbegin.o(.dtors))

+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))

+    KEEP (*(SORT(.dtors.*)))

+    KEEP (*crtend.o(.dtors))

+

+    . = ALIGN(4);

+    __cs3_regions = .;

+    LONG (0)

+    LONG (__cs3_region_init_ram)

+    LONG (__cs3_region_start_ram)

+    LONG (__cs3_region_init_size_ram)

+    LONG (__cs3_region_zero_size_ram)

+  } >ram

+

+  /* .ARM.exidx is sorted, so has to go in its own output section.  */

+  /* even cs3.rom is in ram since its running as user code under the Maple

+     bootloader */

+  __exidx_start = .;

+  .ARM.exidx :

+  {

+    *(.ARM.exidx* .gnu.linkonce.armexidx.*)

+  } >ram

+  __exidx_end = .;

+  .text.align :

+  {

+    . = ALIGN(8);

+    _etext = .;

+  } >ram

+

+  .cs3.rom :

+  {

+    __cs3_region_start_rom = .;

+    *(.cs3.region-head.rom)

+    *(.rom)

+    . = ALIGN (8);

+  } >ram

+

+  .cs3.rom.bss :

+  {

+    *(.rom.b)

+    . = ALIGN (8);

+  } >ram

+  /* __cs3_region_end_rom is deprecated */

+  __cs3_region_end_rom = __cs3_region_start_rom + LENGTH(ram);

+  __cs3_region_size_rom = LENGTH(ram);

+  __cs3_region_init_rom = LOADADDR (.cs3.rom);

+  __cs3_region_init_size_rom = SIZEOF(.cs3.rom);

+  __cs3_region_zero_size_rom = SIZEOF(.cs3.rom.bss);

+

+  .data :

+  {

+

+    KEEP(*(.jcr))

+    *(.got.plt) *(.got)

+    *(.shdata)

+    *(.data .data.* .gnu.linkonce.d.*)

+    *(.ram)

+    . = ALIGN (8);

+    _edata = .;

+  } >ram

+  .bss :

+  {

+    *(.shbss)

+    *(.bss .bss.* .gnu.linkonce.b.*)

+    *(COMMON)

+    *(.ram.b)

+    . = ALIGN (8);

+    _end = .;

+    __end = .;

+  } >ram

+  /* __cs3_region_end_ram is deprecated */

+  __cs3_region_end_ram = __cs3_region_start_ram + LENGTH(ram);

+  __cs3_region_size_ram = LENGTH(ram);

+  __cs3_region_init_ram = LOADADDR (.text);

+  __cs3_region_init_size_ram = _edata - ADDR (.text);

+  __cs3_region_zero_size_ram = _end - _edata;

+  __cs3_region_num = 1;

+

+  .stab 0 (NOLOAD) : { *(.stab) }

+  .stabstr 0 (NOLOAD) : { *(.stabstr) }

+  /* DWARF debug sections.

+   * Symbols in the DWARF debugging sections are relative to the beginning

+   * of the section so we begin them at 0.  */

+  /* DWARF 1 */

+  .debug          0 : { *(.debug) }

+  .line           0 : { *(.line) }

+  /* GNU DWARF 1 extensions */

+  .debug_srcinfo  0 : { *(.debug_srcinfo) }

+  .debug_sfnames  0 : { *(.debug_sfnames) }

+  /* DWARF 1.1 and DWARF 2 */

+  .debug_aranges  0 : { *(.debug_aranges) }

+  .debug_pubnames 0 : { *(.debug_pubnames) }

+  /* DWARF 2 */

+  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }

+  .debug_abbrev   0 : { *(.debug_abbrev) }

+  .debug_line     0 : { *(.debug_line) }

+  .debug_frame    0 : { *(.debug_frame) }

+  .debug_str      0 : { *(.debug_str) }

+  .debug_loc      0 : { *(.debug_loc) }

+  .debug_macinfo  0 : { *(.debug_macinfo) }

+  /* SGI/MIPS DWARF 2 extensions */

+  .debug_weaknames 0 : { *(.debug_weaknames) }

+  .debug_funcnames 0 : { *(.debug_funcnames) }

+  .debug_typenames 0 : { *(.debug_typenames) }

+  .debug_varnames  0 : { *(.debug_varnames) }

+

+  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }

+  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }

+  /DISCARD/ : { *(.note.GNU-stack) }

+}

+