310 lines
8.8 KiB
ArmAsm
310 lines
8.8 KiB
ArmAsm
#ifndef SYS_CONF_STACK_SIZE
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#define SYS_STACK_SIZE 2048
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#else
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#define SYS_STACK_SIZE SYS_CONF_STACK_SIZE
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#endif
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#ifndef IRQ_CONF_STACK_SIZE
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#define IRQ_STACK_SIZE 128
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#else
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#define IRQ_STACK_SIZE IRQ_CONF_STACK_SIZE
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#endif
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#ifndef FIQ_CONF_STACK_SIZE
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#define FIQ_STACK_SIZE 128
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#else
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#define FIQ_STACK_SIZE FIQ_CONF_STACK_SIZE
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#endif
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#ifndef SVC_CONF_STACK_SIZE
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#define SVC_STACK_SIZE 16
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#else
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#define SVC_STACK_SIZE SVC_CONF_STACK_SIZE
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#endif
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#ifndef ABT_CONF_STACK_SIZE
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#define ABT_STACK_SIZE 16
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#else
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#define ABT_STACK_SIZE ABT_CONF_STACK_SIZE
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#endif
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#ifndef UND_CONF_STACK_SIZE
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#define UND_STACK_SIZE 16
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#else
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#define UND_STACK_SIZE UND_CONF_STACK_SIZE
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#endif
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#ifndef HEAP_CONF_SIZE
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#define HEAP_SIZE 16
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#else
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#define HEAP_SIZE HEAP_CONF_SIZE
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#endif
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/* Script for -z combreloc: combine and sort reloc sections */
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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
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"elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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MEMORY
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{
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ram (rwx) : org = 0x00400000, l = 96K
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}
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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PROVIDE (__executable_start = 0x00400000); . = 0x00400000;
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.text :
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{
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*(.start)
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*(.irq)
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*(.text .stub .text.* .gnu.linkonce.t.*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
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} =0
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.interp : { *(.interp) }
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.note.gnu.build-id : { *(.note.gnu.build-id) }
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.hash : { *(.hash) }
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.gnu.hash : { *(.gnu.hash) }
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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.gnu.version : { *(.gnu.version) }
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.gnu.version_d : { *(.gnu.version_d) }
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.gnu.version_r : { *(.gnu.version_r) }
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.rel.dyn :
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{
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*(.rel.init)
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*(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
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*(.rel.fini)
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*(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
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*(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
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*(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
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*(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
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*(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
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*(.rel.ctors)
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*(.rel.dtors)
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*(.rel.got)
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*(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
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}
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.rela.dyn :
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{
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*(.rela.init)
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*(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
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*(.rela.fini)
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*(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
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*(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
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*(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
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*(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
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*(.rela.ctors)
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*(.rela.dtors)
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*(.rela.got)
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*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
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}
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.rel.plt : { *(.rel.plt) }
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.rela.plt : { *(.rela.plt) }
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.init :
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{
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KEEP (*(.init))
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} =0
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.plt : { *(.plt) }
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.fini :
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{
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KEEP (*(.fini))
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} =0
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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.rodata1 : { *(.rodata1) }
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.eh_frame_hdr : { *(.eh_frame_hdr) }
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.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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/* . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); */
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. = ALIGN(4);
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. = DATA_SEGMENT_ALIGN(4,4);
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/* Exception handling */
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.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
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/* Thread Local Storage sections */
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.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
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.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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}
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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}
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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PROVIDE_HIDDEN (__fini_array_end = .);
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}
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.ctors :
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{
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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.dtors :
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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}
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.jcr : { KEEP (*(.jcr)) }
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.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
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.dynamic : { *(.dynamic) }
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. = DATA_SEGMENT_RELRO_END (0, .);
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.got : { *(.got.plt) *(.got) }
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.data :
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{
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__data_start = . ;
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*(.data .data.* .gnu.linkonce.d.*)
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SORT(CONSTRUCTORS)
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}
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.data1 : { *(.data1) }
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_edata = .; PROVIDE (edata = .);
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.stack : {
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__stack_start__ = . ;
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/* IRQ_STACK */
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. += IRQ_STACK_SIZE;
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. = ALIGN (4);
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__irq_stack_top__ = . ;
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/* FIQ_STACK */
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. += FIQ_STACK_SIZE;
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. = ALIGN (4);
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__fiq_stack_top__ = . ;
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/* SVC_STACK */
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. += SVC_STACK_SIZE;
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. = ALIGN (4);
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__svc_stack_top__ = . ;
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/* ABT_STACK */
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. += ABT_STACK_SIZE;
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. = ALIGN (4);
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__abt_stack_top__ = . ;
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/* UND_STACK */
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. += UND_STACK_SIZE;
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. = ALIGN (4);
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__und_stack_top__ = . ;
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/* SYS_STACK */
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. += SYS_STACK_SIZE;
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. = ALIGN (4);
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__sys_stack_top__ = . ;
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__stack_end__ = .;
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}
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__bss_start = .;
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__bss_start__ = .;
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.bss :
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{
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*(.dynbss)
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*(.bss .bss.* .gnu.linkonce.b.*)
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*(COMMON)
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/* Align here to ensure that the .bss section occupies space up to
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_end. Align after .bss to ensure correct alignment even if the
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.bss section disappears because there are no input sections.
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FIXME: Why do we need it? When there is no .bss section, we don't
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pad the .data section. */
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. = ALIGN(. != 0 ? 32 / 8 : 1);
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}
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_bss_end__ = . ; __bss_end__ = . ;
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. = ALIGN(32 / 8);
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.heap : {
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__heap_start__ = . ; PROVIDE(__HEAP_START = .);
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*(.heap);
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. += HEAP_SIZE;
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. = ALIGN (4);
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__heap_end__ = . ; PROVIDE(__HEAP_END = .);
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}
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. = ALIGN(32 / 8);
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__end__ = . ;
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_end = .; PROVIDE (end = .);
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. = DATA_SEGMENT_END (.);
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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/* DWARF 3 */
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.debug_pubtypes 0 : { *(.debug_pubtypes) }
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.debug_ranges 0 : { *(.debug_ranges) }
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
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}
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