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|
# a linker script template.
# RAM - start of board's ram
# RAM_SIZE - size of board's ram
# ROM - start of board's rom
# ROM_SIZE - size of board's rom
# $1 whether to set _stack
test "x$1" = "xyes" && SETSTACK=1
test -z "${ROM_SIZE:+1}" && NOROM=1
cat <<EOF
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
"elf32-littlearm")
STARTUP(${CRT0})
GROUP(-lc ${BSP} -lgcc)
OUTPUT_ARCH(arm)
ENTRY(_start)
SEARCH_DIR(.)
__DYNAMIC = 0;
MEMORY
{
${ROM:+rom (rx) : ORIGIN = ${ROM}, LENGTH = ${ROM_SIZE}}
ram (rwx) : ORIGIN = ${RAM}, LENGTH = ${RAM_SIZE}
}
/* Place the stack at the end of memory, unless specified otherwise. */
${SETSTACK:+PROVIDE (__stack = ${RAM} + ${RAM_SIZE});}
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
${ROM:+*(.isr_vector)}
*(.text .text.*)
*(.plt)
*(.gnu.warning)
*(.glue_7t) *(.glue_7)
. = ALIGN(0x4);
/* These are for running static constructors and destructors under ELF. */
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*crtend.o(.ctors))
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
*(.rodata .rodata.*)
*(.gcc_except_table)
*(.eh_frame_hdr)
*(.eh_frame)
*(.init)
*(.fini)
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} >${ROM:+rom}${NOROM:+ram}
/* .ARM.exidx is sorted, so has to go in its own output section. */
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} >${ROM:+rom}${NOROM:+ram}
__exidx_end = .;
_etext = .;
.data :
{
__data_load = LOADADDR (.data);
__data_start = .;
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.*)
. = ALIGN (4);
_edata = .;
} >ram ${ROM:+AT>rom}
.bss :
{
__bss_start__ = . ;
*(.shbss)
*(.bss .bss.*)
*(COMMON)
. = ALIGN (8);
__bss_end__ = .;
_end = .;
__end = _end;
PROVIDE(end = .);
} >ram ${ROM:+AT>rom}
.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) ${NOROM:+*(.isr_vector)} }
}
EOF
exit 0
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