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contiki/cpu/mc1322x/mc1322x.lds.S
Mariano Alvira 64ded5aecc run the linker script through CPP so that the stack sizes can be 
changed using CONF parameters via DEFINES (e.g. SYS_CONF_STACK_SIZE
4096)
2013-01-05 17:08:59 -05:00

310 lines
8.8 KiB
ArmAsm
Raw Blame History

#ifndef SYS_CONF_STACK_SIZE
#define SYS_STACK_SIZE 2048
#else
#define SYS_STACK_SIZE SYS_CONF_STACK_SIZE
#endif
#ifndef IRQ_CONF_STACK_SIZE
#define IRQ_STACK_SIZE 128
#else
#define IRQ_STACK_SIZE IRQ_CONF_STACK_SIZE
#endif
#ifndef FIQ_CONF_STACK_SIZE
#define FIQ_STACK_SIZE 128
#else
#define FIQ_STACK_SIZE FIQ_CONF_STACK_SIZE
#endif
#ifndef SVC_CONF_STACK_SIZE
#define SVC_STACK_SIZE 16
#else
#define SVC_STACK_SIZE SVC_CONF_STACK_SIZE
#endif
#ifndef ABT_CONF_STACK_SIZE
#define ABT_STACK_SIZE 16
#else
#define ABT_STACK_SIZE ABT_CONF_STACK_SIZE
#endif
#ifndef UND_CONF_STACK_SIZE
#define UND_STACK_SIZE 16
#else
#define UND_STACK_SIZE UND_CONF_STACK_SIZE
#endif
#ifndef HEAP_CONF_SIZE
#define HEAP_SIZE 16
#else
#define HEAP_SIZE HEAP_CONF_SIZE
#endif
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
"elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
MEMORY
{
ram (rwx) : org = 0x00400000, l = 96K
}
SECTIONS
{
/* Read-only sections, merged into text segment: */
PROVIDE (__executable_start = 0x00400000); . = 0x00400000;
.text :
{
*(.start)
*(.irq)
*(.text .stub .text.* .gnu.linkonce.t.*)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
} =0
.interp : { *(.interp) }
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.gnu.version : { *(.gnu.version) }
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{
*(.rel.init)
*(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
*(.rel.fini)
*(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
*(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
*(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
*(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
*(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
*(.rel.ctors)
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*(.rel.got)
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}
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*(.rela.fini)
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*(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
*(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
*(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
*(.rela.ctors)
*(.rela.dtors)
*(.rela.got)
*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
}
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init :
{
KEEP (*(.init))
} =0
.plt : { *(.plt) }
.fini :
{
KEEP (*(.fini))
} =0
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
/* . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); */
. = ALIGN(4);
. = DATA_SEGMENT_ALIGN(4,4);
/* Exception handling */
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
/* Thread Local Storage sections */
.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
}
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
}
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
}
.jcr : { KEEP (*(.jcr)) }
.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
.dynamic : { *(.dynamic) }
. = DATA_SEGMENT_RELRO_END (0, .);
.got : { *(.got.plt) *(.got) }
.data :
{
__data_start = . ;
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
_edata = .; PROVIDE (edata = .);
.stack : {
__stack_start__ = . ;
/* IRQ_STACK */
. += IRQ_STACK_SIZE;
. = ALIGN (4);
__irq_stack_top__ = . ;
/* FIQ_STACK */
. += FIQ_STACK_SIZE;
. = ALIGN (4);
__fiq_stack_top__ = . ;
/* SVC_STACK */
. += SVC_STACK_SIZE;
. = ALIGN (4);
__svc_stack_top__ = . ;
/* ABT_STACK */
. += ABT_STACK_SIZE;
. = ALIGN (4);
__abt_stack_top__ = . ;
/* UND_STACK */
. += UND_STACK_SIZE;
. = ALIGN (4);
__und_stack_top__ = . ;
/* SYS_STACK */
. += SYS_STACK_SIZE;
. = ALIGN (4);
__sys_stack_top__ = . ;
__stack_end__ = .;
}
__bss_start = .;
__bss_start__ = .;
.bss :
{
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections.
FIXME: Why do we need it? When there is no .bss section, we don't
pad the .data section. */
. = ALIGN(. != 0 ? 32 / 8 : 1);
}
_bss_end__ = . ; __bss_end__ = . ;
. = ALIGN(32 / 8);
.heap : {
__heap_start__ = . ; PROVIDE(__HEAP_START = .);
*(.heap);
. += HEAP_SIZE;
. = ALIGN (4);
__heap_end__ = . ; PROVIDE(__HEAP_END = .);
}
. = ALIGN(32 / 8);
__end__ = . ;
_end = .; PROVIDE (end = .);
. = DATA_SEGMENT_END (.);
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* 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) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
}
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