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/* Linker script for STM32 (by Lanchon with Mods by LeafLabs) */
OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
ENTRY(_start)
SEARCH_DIR(.)
/*
* Link against libgcc, libc, and libm
*/
GROUP(libgcc.a libc.a libm.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
*/
INCLUDE names.inc
/* STM32 vector table. See stm32_vector_table.S */
EXTERN(__cs3_stm32_vector_table)
/* libcs3 C start function. See cs3.h */
EXTERN(__cs3_start_c)
/* main entry point */
EXTERN(main)
/* Initial stack pointer value. */
EXTERN(__cs3_stack)
PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
/* Reset vector and chip reset entry point. See start.S */
EXTERN(_start)
PROVIDE(__cs3_reset = _start);
/* Beginning of the heap */
PROVIDE(__cs3_heap_start = _end);
/* End of the heap */
PROVIDE(__cs3_heap_end = __cs3_region_start_ram + LENGTH(ram));
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
__cs3_region_start_rom = .;
*(.cs3.region-head.rom)
/*
* STM32 vector table
*/
__cs3_interrupt_vector = __cs3_stm32_vector_table;
*(.cs3.interrupt_vector)
/* Make sure we pulled in an interrupt vector. */
ASSERT (. != __cs3_stm32_vector_table, "No interrupt vector");
*(.rom)
*(.rom.b)
/*
* Program code and vague linking
*/
*(.rom)
*(.rom.b)
*(.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)
} > REGION_TEXT
/*
* .ARM.exidx exception unwinding
*/
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > REGION_TEXT
__exidx_end = .;
/*
* End of text
*/
.text.align :
{
. = ALIGN(8);
_etext = .;
} > REGION_TEXT
/* expose a custom rom only section */
.USER_FLASH :
{
*(.USER_FLASH)
} >rom
/* __cs3_region_end_rom is deprecated */
__cs3_region_end_rom = __cs3_region_start_rom + LENGTH(rom);
__cs3_region_size_rom = LENGTH(rom);
__cs3_region_num = 1;
/*
* Start of data
*/
.data :
{
ram_begin = DEFINED(RAM_BUILD) ? . : . ;
*(.cs3.region-head.ram_begin)
__cs3_region_start_ram = .;
*(.cs3.region-head.ram)
KEEP(*(.jcr))
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.* .gnu.linkonce.d.*)
*(.ram)
. = ALIGN (8);
_edata = .;
} > REGION_DATA AT> REGION_TEXT
.bss :
{
*(.shbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
*(.ram.b)
. = ALIGN (8);
_end = .;
__end = .;
} > REGION_BSS AT> REGION_TEXT
/* __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 (.data);
__cs3_region_init_size_ram = _edata - ADDR (.data);
__cs3_region_zero_size_ram = _end - _edata;
__cs3_region_num = 1;
/*
* Debugging sections
*/
.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) }
}
|
