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authorbnewbold <bnewbold@robocracy.org>2010-09-02 17:39:52 -0400
committerbnewbold <bnewbold@robocracy.org>2010-09-02 17:39:52 -0400
commit800b8ca1c1463dd85101e242a94c7ca0ec8c459d (patch)
treea843bdcdc3c0d8937703d8240e6d6820eee78bb7 /support/ld/maple/ram.ld
parentd6a32991684b7bfd8b91e3358dee4ca3fc887021 (diff)
downloadlibrambutan-800b8ca1c1463dd85101e242a94c7ca0ec8c459d.tar.gz
librambutan-800b8ca1c1463dd85101e242a94c7ca0ec8c459d.zip
board-specifc linker scripts
Diffstat (limited to 'support/ld/maple/ram.ld')
-rw-r--r--support/ld/maple/ram.ld220
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
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--- /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) }
+}
+