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freebsd/sys/conf/ldscript.arm
Andrew Turner 979d76c948 Remove STARTUP_PAGETABLE_ADDR from the ARM configs and replace it with
memory at the end of the kernel.

This helps reduce the SoC and board specific configuration required.

Reviewed by:	bsdimp
Tested by:	jmg (armeb), br
2014-01-28 09:12:04 +00:00

155 lines
4.5 KiB
Plaintext

/* $FreeBSD$ */
OUTPUT_ARCH(arm)
ENTRY(_start)
SEARCH_DIR(/usr/lib);
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = KERNVIRTADDR + SIZEOF_HEADERS;
.text :
{
*(.text)
*(.stub)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
} =0x9090
_etext = .;
PROVIDE (etext = .);
.fini : { *(.fini) } =0x9090
.rodata : { *(.rodata) *(.gnu.linkonce.r*) }
.rodata1 : { *(.rodata1) }
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.rel.text :
{ *(.rel.text) *(.rel.gnu.linkonce.t*) }
.rela.text :
{ *(.rela.text) *(.rela.gnu.linkonce.t*) }
.rel.data :
{ *(.rel.data) *(.rel.gnu.linkonce.d*) }
.rela.data :
{ *(.rela.data) *(.rela.gnu.linkonce.d*) }
.rel.rodata :
{ *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
.rela.rodata :
{ *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) } =0x9090
.plt : { *(.plt) }
. = ALIGN(4);
_extab_start = .;
PROVIDE(extab_start = .);
.ARM.extab : { *(.ARM.extab) }
_extab.end = .;
PROVIDE(extab_end = .);
_exidx_start = .;
PROVIDE(exidx_start = .);
.ARM.exidx : { *(.ARM.exidx) }
_exidx_end = .;
PROVIDE(exidx_end = .);
/* 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(0x1000) + (. & (0x1000 - 1)) ;
.data :
{
*(.data)
*(.gnu.linkonce.d*)
CONSTRUCTORS
}
.data1 : { *(.data1) }
. = ALIGN(32 / 8);
_start_ctors = .;
PROVIDE (start_ctors = .);
.ctors :
{
*(.ctors)
}
_stop_ctors = .;
PROVIDE (stop_ctors = .);
.dtors :
{
*(.dtors)
}
.got : { *(.got.plt) *(.got) }
.dynamic : { *(.dynamic) }
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata : { *(.sdata) }
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
.sbss : { *(.sbss) *(.scommon) }
.bss :
{
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(32 / 8);
_ebss = .;
/* A section for the initial page table, it doesn't need to be in the
kernel file, however unlike normal .bss entries should not be zeroed
out as we use it before the .bss section is cleared. */
*(.init_pagetable)
}
. = ALIGN(32 / 8);
_end = . ;
PROVIDE (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) }
.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) }
/* These must appear regardless of . */
}