b24dda0b9d
* mt/16-002.ld: Change architecture to 'mt'. Remove
SEARCH_DIR.
* mt/16-003.ld: Likewise.
* mt/64-001.ld: Likewise.
* mt/Makefile.in: Change comment to reference 'mt' rather than 'ms1'.
* mt/crt0.S: Likewise.
283 lines
11 KiB
Plaintext
283 lines
11 KiB
Plaintext
OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt")
|
|
OUTPUT_ARCH(mt)
|
|
ENTRY(__boot_start)
|
|
|
|
/* Do we need any of these for elf?
|
|
__DYNAMIC = 0; */
|
|
MEMORY
|
|
{
|
|
rom (rx) : ORIGIN = 0x000000, LENGTH = 8M
|
|
frame-buffer (w) : ORIGIN = 0x800000, LENGTH = 64K
|
|
ram (w) : ORIGIN = 0xc00000, LENGTH = 4M
|
|
dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M
|
|
}
|
|
SECTIONS
|
|
{
|
|
/* Read-only sections, merged into text segment: */
|
|
PROVIDE (__executable_start = 0x0); . = 0x0;
|
|
.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.init : { *(.rel.init) }
|
|
.rela.init : { *(.rela.init) }
|
|
.rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
|
|
.rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
|
|
.rel.fini : { *(.rel.fini) }
|
|
.rela.fini : { *(.rela.fini) }
|
|
.rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
|
|
.rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
|
|
.rel.data.rel.ro : { *(.rel.data.rel.ro*) }
|
|
.rela.data.rel.ro : { *(.rel.data.rel.ro*) }
|
|
.rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
|
|
.rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
|
|
.rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
|
|
.rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
|
|
.rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
|
|
.rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
|
|
.rel.ctors : { *(.rel.ctors) }
|
|
.rela.ctors : { *(.rela.ctors) }
|
|
.rel.dtors : { *(.rel.dtors) }
|
|
.rela.dtors : { *(.rela.dtors) }
|
|
.rel.got : { *(.rel.got) }
|
|
.rela.got : { *(.rela.got) }
|
|
.rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
|
|
.rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
|
|
.rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
|
|
.rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) }
|
|
.rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
|
|
.rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
|
|
.rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
|
|
.rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
|
|
.rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
|
|
.rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
|
|
.rel.plt : { *(.rel.plt) }
|
|
.rela.plt : { *(.rela.plt) }
|
|
|
|
.startup : { *startup-64-001.o(.startup) } >rom =0
|
|
|
|
.init : { KEEP (*(.init)) } >rom =0
|
|
.plt : { *(.plt) } >rom
|
|
.text :
|
|
{
|
|
*startup-64-001.o(.text)
|
|
*(.text .stub .text.* .gnu.linkonce.t.*)
|
|
/* .gnu.warning sections are handled specially by elf32.em. */
|
|
*(.gnu.warning)
|
|
} >rom =0
|
|
.fini :
|
|
{
|
|
KEEP (*(.fini))
|
|
} >rom =0
|
|
PROVIDE (__etext = .);
|
|
PROVIDE (_etext = .);
|
|
PROVIDE (etext = .);
|
|
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >rom
|
|
.rodata1 : { *(.rodata1) } >rom
|
|
|
|
/* Data starting here needs to be copied from ROM to the frame buffer. */
|
|
/* Section .sdata2 is used as the beginning marker of the frame buffer
|
|
address as well as the start of the data that needs to be copied. */
|
|
.sdata2 : AT (ADDR(.rodata1) + SIZEOF(.rodata1))
|
|
{ *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >frame-buffer
|
|
.sbss2 : AT (LOADADDR(.sdata2) + SIZEOF(.sdata2))
|
|
{ *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >frame-buffer
|
|
.eh_frame_hdr : AT (LOADADDR(.sbss2) + SIZEOF(.sbss2))
|
|
{ *(.eh_frame_hdr) } >frame-buffer
|
|
.eh_frame : AT (LOADADDR(.eh_frame_hdr) + SIZEOF(.eh_frame_hdr))
|
|
ONLY_IF_RO { KEEP (*(.eh_frame)) } >frame-buffer
|
|
.gcc_except_table : AT (LOADADDR(.eh_frame) + SIZEOF(.eh_frame))
|
|
ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >frame-buffer
|
|
/* 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(256) + (. & (256 - 1));
|
|
/* Exception handling */
|
|
.eh_frame : AT (LOADADDR(.eh_frame_hdr) + SIZEOF(.eh_frame_hdr))
|
|
ONLY_IF_RW { KEEP (*(.eh_frame)) } >frame-buffer
|
|
.gcc_except_table : AT (LOADADDR(.eh_frame) + SIZEOF(.eh_frame))
|
|
ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >frame-buffer
|
|
/* Thread Local Storage sections */
|
|
.tdata : AT (LOADADDR(.gcc_except_table) + SIZEOF(.gcc_except_table))
|
|
{ *(.tdata .tdata.* .gnu.linkonce.td.*) } >frame-buffer
|
|
.tbss : AT (LOADADDR(.tdata) + SIZEOF(.tdata))
|
|
{ *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >frame-buffer
|
|
/* Ensure the __preinit_array_start label is properly aligned. We
|
|
could instead move the label definition inside the section, but
|
|
the linker would then create the section even if it turns out to
|
|
be empty, which isn't pretty. */
|
|
. = ALIGN(32 / 8);
|
|
PROVIDE (__preinit_array_start = .);
|
|
.preinit_array : AT (LOADADDR(.tbss) + SIZEOF(.tbss))
|
|
{ *(.preinit_array) } >frame-buffer
|
|
PROVIDE (__preinit_array_end = .);
|
|
PROVIDE (__init_array_start = .);
|
|
.init_array : AT (LOADADDR(.preinit_array) + SIZEOF(.preinit_array))
|
|
{ *(.init_array) } >frame-buffer
|
|
PROVIDE (__init_array_end = .);
|
|
PROVIDE (__fini_array_start = .);
|
|
.fini_array : AT (LOADADDR(.init_array) + SIZEOF(.init_array))
|
|
{ *(.fini_array) } >frame-buffer
|
|
PROVIDE (__fini_array_end = .);
|
|
.ctors : AT (LOADADDR(.fini_array) + SIZEOF(.fini_array))
|
|
{
|
|
/* 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))
|
|
/* We don't want to include the .ctor section from
|
|
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 ) .ctors))
|
|
KEEP (*(SORT(.ctors.*)))
|
|
KEEP (*(.ctors))
|
|
} >frame-buffer
|
|
.dtors : AT (LOADADDR(.ctors) + SIZEOF(.ctors))
|
|
{
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
} >frame-buffer
|
|
.jcr : AT (LOADADDR(.dtors) + SIZEOF(.dtors))
|
|
{ KEEP (*(.jcr)) } >frame-buffer
|
|
.data.rel.ro : AT (LOADADDR(.jcr) + SIZEOF(.jcr))
|
|
{ *(.data.rel.ro.local) *(.data.rel.ro*) } >frame-buffer
|
|
.dynamic : AT (LOADADDR(.data.rel.ro) + SIZEOF(.data.rel.ro))
|
|
{ *(.dynamic) } >frame-buffer
|
|
|
|
/* DJK - Re-align the data section from the read-only section. */
|
|
. = ALIGN(16) + (. & (16 - 1));
|
|
PROVIDE (_data = .);
|
|
.data : AT (LOADADDR(.dynamic) + SIZEOF(.dynamic))
|
|
{
|
|
*(.data .data.* .gnu.linkonce.d.*)
|
|
KEEP (*(.gnu.linkonce.d.*personality*))
|
|
SORT(CONSTRUCTORS)
|
|
} >frame-buffer
|
|
.data1 : AT (LOADADDR(.data) + SIZEOF(.data))
|
|
{ *(.data1) } >frame-buffer
|
|
.got : AT (LOADADDR(.data1) + SIZEOF(.data1))
|
|
{ *(.got.plt) *(.got) }
|
|
|
|
/* 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 : AT (LOADADDR(.got) + SIZEOF(.got))
|
|
{ *(.sdata .sdata.* .gnu.linkonce.s.*) } >frame-buffer
|
|
_edata = .;
|
|
PROVIDE ( edata = . ) ;
|
|
|
|
_fbdata_start = LOADADDR(.sdata2) ;
|
|
_fbdata_end = LOADADDR(.sdata) + SIZEOF(.sdata) - 4 ;
|
|
|
|
PROVIDE (__FRAME_BUFFER_START = ADDR(.sdata2));
|
|
PROVIDE (__FRAME_BUFFER_SIZE = 0x10000);
|
|
PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE);
|
|
|
|
.sbss : AT (LOADADDR(.sdata) + SIZEOF(.sdata))
|
|
{
|
|
PROVIDE (__sbss_start = .);
|
|
PROVIDE (___sbss_start = .);
|
|
*(.dynsbss)
|
|
*(.sbss .sbss.* .gnu.linkonce.sb.*)
|
|
*(.scommon)
|
|
PROVIDE (__sbss_end = .);
|
|
PROVIDE (___sbss_end = .);
|
|
} >frame-buffer
|
|
.bss : AT (LOADADDR(.sbss) + SIZEOF(.sbss))
|
|
{
|
|
*(.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. */
|
|
. = ALIGN(32 / 8);
|
|
} >frame-buffer
|
|
. = ALIGN(32 / 8);
|
|
__bss_start = ADDR(.sbss) ;
|
|
__bss_end = __bss_start + SIZEOF(.sbss) + SIZEOF(.bss) - 4 ;
|
|
_end = .;
|
|
PROVIDE (end = .);
|
|
|
|
PROVIDE ( _extdata_start = ADDR(.bss) + SIZEOF(.bss));
|
|
.extdata : AT ( LOADADDR(.bss) + SIZEOF(.bss))
|
|
{
|
|
*(.extdata)
|
|
} >ram
|
|
PROVIDE (_extdata_end = _extdata_start + SIZEOF(.extdata) - 4 );
|
|
|
|
.extbss : AT ( LOADADDR(.extdata) + SIZEOF(.extdata))
|
|
{
|
|
_extbss_start = .;
|
|
*(.extbss);
|
|
. = ALIGN(4);
|
|
_extbss_end = .;
|
|
} >ram
|
|
. = ALIGN(4);
|
|
|
|
PROVIDE (__EXTERNAL_MEMORY_START = 0xc00000);
|
|
|
|
.dma :
|
|
{
|
|
_dma_start = .;
|
|
*(.dma)
|
|
_dma_end = .;
|
|
} >dma-ram
|
|
|
|
/* 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) }
|
|
|
|
|
|
PROVIDE (__stack = 0x80fff0);
|
|
|
|
.stack (DEFINED(__stack) ? __stack : 0x7FFFF0) :
|
|
{
|
|
__stack = .;
|
|
*(.stack)
|
|
LONG(0xdeaddead)
|
|
}
|
|
/DISCARD/ : { *(.note.GNU-stack) }
|
|
}
|