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|
/* Linker script for Cortex-M3
*
* Version:CodeSourcery Sourcery G++ Lite 2007q3-53
* 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. */
OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
/*ENTRY(_start)*/
SEARCH_DIR(.)
GROUP(-lgcc -lc)
MEMORY
{
rom (rx) : ORIGIN = 0x00000000, LENGTH = 512K
ram (rwx) : ORIGIN = 0x10000000, LENGTH = 32K
ram1(rwx) : ORIGIN = 0x2007C000, LENGTH = 16k
ram2(rwx) : ORIGIN = 0x20080000, LENGTH = 16k
ram3(rwx) : ORIGIN = 0x40038000, LENGTH = 2k
}
/* 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_cortex_m)
EXTERN(__cs3_interrupt_vector_cortex_m)
EXTERN(__cs3_start_c main __cs3_stack __cs3_stack_size __cs3_heap_end)
PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end);
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_rom = .;
__privileged_code_start__ = . ;
*(.cs3.region-head.rom)
__cs3_interrupt_vector = __cs3_interrupt_vector_cortex_m;
*(.cs3.interrupt_vector)
/* Make sure we pulled in an interrupt vector. */
ASSERT (. != __cs3_interrupt_vector_cortex_m, "No interrupt vector");
*(.rom)
*(.rom.b)
__cs3_reset = __cs3_reset_cortex_m;
*(.cs3.reset)
/* Make sure we pulled in some reset code. */
ASSERT (. != __cs3_reset, "No reset code");
*( .privileged_code )
*( .privileged_functions )
__privileged_code_end___len = . - __privileged_code_start__ - 1 ;
__privileged_code_end___len |= __privileged_code_end___len >> 1 ;
__privileged_code_end___len |= __privileged_code_end___len >> 2 ;
__privileged_code_end___len |= __privileged_code_end___len >> 4 ;
__privileged_code_end___len |= __privileged_code_end___len >> 8 ;
__privileged_code_end___len |= __privileged_code_end___len >> 16 ;
. = ALIGN( MAX( __privileged_code_end___len + 1, 32 ) ) ;
__privileged_code_end__ = .;
__privileged_functions_end__ = .;
*(.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)
}
/* .ARM.exidx is sorted, so has to go in its own output section. */
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} >rom
__exidx_end = .;
.text.align :
{
. = ALIGN(8);
_etext = .;
} >rom
__cs3_region_size_rom = LENGTH(rom);
__cs3_region_num = 1;
.data :
{
__cs3_region_start_ram = .;
__privileged_data_start__ = .;
*( privileged_data )
__privileged_data_end___len = . - __privileged_data_start__ - 1 ;
__privileged_data_end___len |= __privileged_data_end___len >> 1 ;
__privileged_data_end___len |= __privileged_data_end___len >> 2 ;
__privileged_data_end___len |= __privileged_data_end___len >> 4 ;
__privileged_data_end___len |= __privileged_data_end___len >> 8 ;
__privileged_data_end___len |= __privileged_data_end___len >> 16 ;
. = ALIGN( MAX( __privileged_data_end___len + 1, 32 ) ) ;
__privileged_data_end__ = .;
*(.cs3.region-head.ram)
KEEP(*(.jcr))
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.* .gnu.linkonce.d.*)
*(.ram)
. = ALIGN (8);
_edata = .;
} >ram AT>rom
.bss :
{
*(.shbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
*(.ram.b)
. = ALIGN (8);
_end = .;
__end = .;
} >ram AT>rom
/* This used for USB RAM section */
.usb_ram (NOLOAD):
{
*.o (USB_RAM)
} > ram2
.heap (NOLOAD) :
{
*(.heap)
} >ram
.stack (__cs3_stack - __cs3_stack_size) (NOLOAD):
{
*(.stack)
_estack = .;
PROVIDE(estack = .);
} >ram
__cs3_region_init_ram = LOADADDR (.data);
__cs3_region_init_size_ram = _edata - __cs3_region_start_ram;
__cs3_region_zero_size_ram = _end - _edata;
__cs3_region_size_ram = LENGTH(ram);
__cs3_region_num = 1;
__FLASH_segment_start__ = ORIGIN(rom);
__FLASH_segment_end__ = __FLASH_segment_start__ + LENGTH(rom);
__SRAM_segment_start__ = ORIGIN(ram);
__SRAM_segment_end__ = __SRAM_segment_start__ + LENGTH(ram);
.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) }
}
|
