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/*
* This file contains directives for the GNU linker which are specific
* to the MPC8260ADS Board
*/
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
"elf32-powerpc")
OUTPUT_ARCH(powerpc)
ENTRY(start)
STARTUP(start.o)
EXTERN(__vectors)
/*
* Declare some sizes.
* XXX: The assignment of ". += XyzSize;" fails in older gld's if the
* number used there is not constant. If this happens to you, edit
* the lines marked XXX below to use a constant value.
*/
StackSize = DEFINED(StackSize) ? StackSize : 0x8000;
RamBase = DEFINED(RamBase) ? RamBase : 0x0;
RamSize = DEFINED(RamSize) ? RamDiskSize : 0x0800000; /* 8M program ram */
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
RamDiskBase = DEFINED(RamDiskBase) ? RamDiskBase : 0x0800000;
RamDiskSize = DEFINED(RamDiskSize) ? RamDiskSize : 0x0800000; /* 8M ram disk */
MEMORY
{
ram : org = 0x0, l = 8M
ramdisk : org = 0x0800000, l = 8M
dpram : org = 0x04700000, l = 128K
flash : org = 0xff800000, l = 8M
}
SECTIONS
{
/*
* The stack will live in this area - between the vectors and
* the text section.
*/
.text 0x10000:
{
_textbase = .;
text.start = .;
/* Entry point is the .entry section */
*(.entry)
*(.entry2)
/* Actual Code */
*(.text*)
*(.rodata*)
*(.rodata1)
/*
* Special FreeBSD sysctl sections.
*/
. = ALIGN (16);
__start_set_sysctl_set = .;
*(set_sysctl_*);
__stop_set_sysctl_set = ABSOLUTE(.);
*(set_domain_*);
*(set_pseudo_*);
/* C++ constructors/destructors */
*(.gnu.linkonce.t*)
/* Initialization and finalization code.
*
* Various files can provide initialization and finalization functions.
* The bodies of these functions are in .init and .fini sections. We
* accumulate the bodies here, and prepend function prologues from
* ecrti.o and function epilogues from ecrtn.o. ecrti.o must be linked
* first; ecrtn.o must be linked last. Because these are wildcards, it
* doesn't matter if the user does not actually link against ecrti.o and
* ecrtn.o; the linker won't look for a file to match a wildcard. The
* wildcard also means that it doesn't matter which directory ecrti.o
* and ecrtn.o are in.
*/
PROVIDE (_init = .);
*ecrti.o(.init)
*(.init)
*ecrtn.o(.init)
PROVIDE (_fini = .);
*ecrti.o(.fini)
*(.fini)
*ecrtn.o(.init)
/*
* C++ constructors and destructors for static objects.
* PowerPC EABI does not use crtstuff yet, so we build "old-style"
* constructor and destructor lists that begin with the list length
* end terminate with a NULL entry.
*/
PROVIDE (__CTOR_LIST__ = .);
/* LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) */
*crtbegin.o(.ctors)
*(.ctors)
*crtend.o(.ctors)
LONG(0)
PROVIDE (__CTOR_END__ = .);
PROVIDE (__DTOR_LIST__ = .);
/* LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) */
*crtbegin.o(.dtors)
*(.dtors)
*crtend.o(.dtors)
LONG(0)
PROVIDE (__DTOR_END__ = .);
/* Exception frame info */
*(.eh_frame)
/* Miscellaneous read-only data */
_rodata_start = . ;
*(.gnu.linkonce.r*)
*(.lit)
*(.shdata)
*(.rodata)
*(.rodata1)
KEEP (*(SORT(.rtemsroset.*)))
*(.descriptors)
*(rom_ver)
_erodata = .;
/* Various possible names for the end of the .text section */
etext = ALIGN(0x10);
_etext = .;
_endtext = .;
text.end = .;
PROVIDE (etext = .);
PROVIDE (__etext = .);
} > ram
.tdata : {
_TLS_Data_begin = .;
*(.tdata .tdata.* .gnu.linkonce.td.*)
_TLS_Data_end = .;
} >ram
.tbss : {
_TLS_BSS_begin = .;
*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
_TLS_BSS_end = .;
} >ram
_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
_TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
_TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
_TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
.rel.dyn :
{
*(.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)
*(.rel.dtors)
*(.rel.got)
*(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
*(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
*(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
*(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
*(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
} >ram
.rela.dyn :
{
*(.rela.init)
*(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
*(.rela.fini)
*(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
*(.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.got1)
*(.rela.got2)
*(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
*(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
*(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
*(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
} >ram
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
PROVIDE (__EXCEPT_START__ = .);
.gcc_except_table : { *(.gcc_except_table*) } >ram
PROVIDE (__EXCEPT_END__ = .);
__GOT_START__ = .;
.got :
{
s.got = .;
*(.got.plt) *(.got)
} > ram
__GOT_END__ = .;
.got1 : { *(.got1) } >ram
PROVIDE (__GOT2_START__ = .);
PROVIDE (_GOT2_START_ = .);
.got2 : { *(.got2) } >ram
PROVIDE (__GOT2_END__ = .);
PROVIDE (_GOT2_END_ = .);
PROVIDE (__FIXUP_START__ = .);
PROVIDE (_FIXUP_START_ = .);
.fixup : { *(.fixup) } >ram
PROVIDE (_FIXUP_END_ = .);
PROVIDE (__FIXUP_END__ = .);
.sdata : {
PROVIDE (_SDA_BASE_ = 32768);
*(.sdata .sdata.* .gnu.linkonce.s.*)
} > ram
.sbss : {
__bss_start = .;
PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
*(.scommon)
*(.dynsbss)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
} > ram
.sdata2 : {
PROVIDE (_SDA2_BASE_ = 32768);
*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
} > ram =0
.sbss2 : {
*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
} > ram =0
.bss :
{
bss.start = .;
*(.bss .bss* .gnu.linkonce.b*)
. = ALIGN(4);
bss.end = .;
} > ram
/* R/W Data */
.data ( . ) :
{
. = ALIGN (4);
data.start = .;
*(.data)
*(.data1)
*(.data.* .gnu.linkonce.d.*)
KEEP (*(SORT(.rtemsrwset.*)))
PROVIDE (__SDATA_START__ = .);
*(.sdata .sdata.* .gnu.linkonce.s.*)
data.end = .;
} > ram
data.size = data.end - data.start;
bss.size = bss.end - bss.start;
text.size = text.end - text.start;
PROVIDE(_end = data.end);
.gzipmalloc : {
. = ALIGN (16);
_startmalloc = .;
} >ram
/*
* Interrupt stack setup
*/
IntrStack_start = ALIGN(0x10);
. += 0x4000;
intrStack = .;
PROVIDE(intrStackPtr = intrStack);
clear_end = .;
.rtemsstack (NOLOAD) : {
*(SORT(.rtemsstack.*))
} >ram
WorkAreaBase = .;
/* Sections for compressed .text and .data */
/* after the .datarom section is an int specifying */
/* the length of the following compressed image */
/* Executes once then could get overwritten */
.textrom 0x100000 :
{
*(.textrom)
_endloader = .;
} > ram
.datarom :
{
_dr_start = .;
*(.datarom)
_dr_end = .;
} > ram
dr_len = _dr_end - _dr_start;
.dpram :
{
m8260 = .;
_m8260 = .;
. += (128 * 1024);
} > dpram
/* the reset vector is at 0xfff00000 which is */
/* located at offset 0x400000 from the base */
/* of flash */
.bootrom 0xFFF00000 :
{
*(.bootrom)
_endboot = .;
} > flash
.line 0 : { *(.line) }
.debug 0 : { *(.debug) }
.debug_sfnames 0 : { *(.debug_sfnames) }
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
.debug_aregion 0 : { *(.debug_aregion) }
.debug_macinfo 0 : { *(.debug_macinfo) }
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
}
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