Files
pico-loader/arm9/loader9.ld
2025-11-23 17:14:17 +01:00

246 lines
6.5 KiB
Plaintext

/*--------------------------------------------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public License,
v. 2.0. If a copy of the MPL was not distributed with this file, You can
obtain one at https://mozilla.org/MPL/2.0/.
--------------------------------------------------------------------------------*/
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
MEMORY
{
itcm : ORIGIN = 0x01000000, LENGTH = 32K
vram : ORIGIN = 0x06800000, LENGTH = 128K
dtcm : ORIGIN = 0x07800000, LENGTH = 16K
}
PHDRS
{
main PT_LOAD FLAGS(7);
itcm PT_LOAD FLAGS(7);
dtcm PT_LOAD FLAGS(7);
}
__heap_end = ORIGIN(vram) + LENGTH(vram);
SECTIONS
{
.crt0 :
{
__text_start = . ;
KEEP (*(.crt0))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.text : /* ALIGN (4): */
{
*(EXCLUDE_FILE(*.itcm* *.vectors* *.twl*) .text)
*(EXCLUDE_FILE(*.itcm* *.vectors* *.twl*) .stub)
*(EXCLUDE_FILE(*.itcm* *.vectors* *.twl*) .text.*)
KEEP (*(SORT_NONE(.init)))
*(.text.*)
/* __patch_cardireadcard_start = .; */
/* KEEP (*(.patch_cardireadcard)) */
/* __patch_cardireadcard_end = .; */
*(.stub)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
__glue_start = ABSOLUTE(.);
*(.glue_7)
*(.glue_7t)
__glue_end = ABSOLUTE(.);
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.fini :
{
KEEP (*(.fini))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main =0xff
__text_end = . ;
.rodata :
{
*(.rodata)
*all.rodata*(*)
*(.roda)
*(.rodata.*)
*(.gnu.linkonce.r*)
SORT(CONSTRUCTORS)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >vram :main
__exidx_start = .;
.ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >vram :main
__exidx_end = .;
/* 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);
.init_array :
{
PROVIDE (__preinit_array_start = .);
PROVIDE (__bothinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
PROVIDE (__init_array_end = .);
PROVIDE (__bothinit_array_end = .);
} >vram :main
.fini_array :
{
PROVIDE (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
/* Required by pico-exitprocs.c. */
KEEP (*(.fini_array*))
PROVIDE (__fini_array_end = .);
} >vram :main
.ctors :
{
/* 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))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.eh_frame :
{
KEEP (*(.eh_frame))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.gcc_except_table :
{
*(.gcc_except_table)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :main = 0xff
.jcr : { KEEP (*(.jcr)) } >vram = 0
__got_start = . ;
.got :
{
*(.got.plt)
*(.got)
*(.rel.got)
} >vram :main = 0
__got_end = . ;
.data ALIGN(4) : {
__data_start = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
CONSTRUCTORS
. = ALIGN(4);
__data_end = ABSOLUTE(.) ;
} >vram :main = 0xff
__data_end = . ;
__bss_vma = . ;
.dtcm :
{
__dtcm_lma = LOADADDR(.dtcm);
__dtcm_start = ABSOLUTE(.);
*(.dtcm)
*(.dtcm.*)
. = ALIGN(4);
__dtcm_end = ABSOLUTE(.);
} >dtcm AT>vram :dtcm = 0xff
.itcm :
{
__itcm_lma = LOADADDR(.itcm);
__itcm_start = ABSOLUTE(.);
*(.itcm)
*.itcm*(.text .stub .text.*)
. = ALIGN(4);
__itcm_end = ABSOLUTE(.);
} >itcm AT>vram :itcm = 0xff
.bss __bss_vma (NOLOAD):
{
__bss_start = ABSOLUTE(.);
__bss_start__ = ABSOLUTE(.);
*(.dynbss)
*(.gnu.linkonce.b*)
*(.bss*)
*(COMMON)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >vram :NONE
__bss_end = . ;
__bss_end__ = . ;
__heap_start = . ;
_end = . ;
__end__ = . ;
PROVIDE (end = _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) }
.stack 0x80000 : { _stack = .; *(.stack) }
/* These must appear regardless of . */
}