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/*
* This file contains directives for the GNU linker which are specific
* to the 405GP/EX
* This file is intended to be used together with dlentry.s
* it will generate downloadable code
*
* Modifications for gen405 by Dennis Ehlin
* Modifications for virtex by Keith, Greg, and Bob
* Modifications for 405GP/EX by Michael Hamel
*/
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
OUTPUT_ARCH(powerpc)
STARTUP(start.o)
ENTRY(download_entry)
EXTERN(__vectors)
RamBase = DEFINED(RamBase) ? RamBase : 0;
RamSize = DEFINED(RamSize) ? RamSize : 256M;
RamEnd = RamBase + RamSize;
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
MEMORY {
RAM : ORIGIN = 0, LENGTH = 256M
/*FLASH : ORIGIN = 0xFFE00000, LENGTH = 16M*/
}
/*
* Max sdata/bss.
*/
bsp_section_small_data_area_size = 65536;
SECTIONS
{
/* First 16K is occupied by exception vectors and anything else we want to put there */
.text 0x4000:
{
text.start = . ;
*(.entry)
*(.entry2)
*(.text*)
*(.rodata*)
*(.rodata1)
KEEP (*(SORT(.rtemsroset.*)))
/*
* 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)
KEEP (*ecrti.o(.ctors))
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o *ecrtn.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*ecrti.o(.dtors))
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o *ecrtn.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/* Exception frame info */
*(.eh_frame)
/* Miscellaneous read-only data */
_rodata_start = . ;
*(.gnu.linkonce.r*)
*(.lit)
*(.shdata)
*(.rodata)
*(.rodata1)
*(.descriptors)
*(rom_ver)
_erodata = .;
PROVIDE (__EXCEPT_START__ = .);
*(.gcc_except_table*)
PROVIDE (__EXCEPT_END__ = .);
__GOT_START__ = .;
s.got = .;
*(.got.plt)
*(.got)
*(.got1)
PROVIDE (__GOT2_START__ = .);
PROVIDE (_GOT2_START_ = .);
*(.got2)
PROVIDE (__GOT2_END__ = .);
PROVIDE (_GOT2_END_ = .);
PROVIDE (__FIXUP_START__ = .);
PROVIDE (_FIXUP_START_ = .);
*(.fixup)
PROVIDE (_FIXUP_END_ = .);
PROVIDE (__FIXUP_END__ = .);
/* Various possible names for the end of the .text section */
etext = ALIGN(0x10);
_etext = .;
*(.lit)
*(.shdata)
_endtext = ALIGN(0x10);
text.end = .;
text.size = text.end - text.start;
} >RAM
text.size = text.end - text.start;
.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));
.jcr : { KEEP (*(.jcr)) } >RAM
.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
/* Initialised large data */
.data ( . ) :
{
. = ALIGN (4);
data.start = .;
*(.data)
*(.data1)
KEEP (*(SORT(.rtemsrwset.*)))
*(.data.* .gnu.linkonce.d.*)
data.end = .;
} > RAM
/* Initialised small data addressed as offsets from r13 */
.sdata : {
. = ALIGN (4);
PROVIDE (__SDATA_START__ = .);
bsp_section_sdata_begin = .;
sdata.start = .;
*(.sdata*)
*(.gnu.linkonce.s.*)
sdata.end = .;
bsp_section_sdata_end = .;
} > RAM
/* Zeroed small data addressed as offsets from r13 */
.sbss : {
. = ALIGN (4);
PROVIDE(__SBSS_START__ = .);
bsp_section_sbss_begin = .;
sbss.start = .;
*(.sbss .sbss.* *.gnu.linkonce.sb.*);
sbss.end = .;
bsp_section_sbss_end = .;
bsp_section_sdata_libdl_begin = .;
. = DEFINED(bsp_section_small_data_area_size) ?
bsp_section_sdata_begin + bsp_section_small_data_area_size : .;
bsp_section_sdata_libdl_end = .;
} > RAM
PROVIDE(__SBSS_END__ = .);
/* Zeroed large data */
.bss : {
. = ALIGN (4);
bss.start = .;
*(.bss .bss* .gnu.linkonce.b*)
. = ALIGN(4);
bss.end = .;
} > RAM
bss.size = bss.end - bss.start;
sbss.size = sbss.end - sbss.start;
.noinit (NOLOAD) : {
*(.noinit*)
} >RAM
.rtemsstack (NOLOAD) : {
*(SORT(.rtemsstack.*))
} >RAM
WorkAreaBase = .;
/* Debugging information */
.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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