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Atmosphere/mesosphere/kernel/kernel.ld
Michael Scire 960ba52a43 kern: put rela in bss
NOTE: This saves ~0x4000 of space at the cost of crimes against the linker script.
2021-10-08 12:48:53 -07:00

209 lines
4.7 KiB
Text

OUTPUT_ARCH(aarch64)
ENTRY(_start)
PHDRS
{
code PT_LOAD FLAGS(5) /* Read | Execute */;
rodata PT_LOAD FLAGS(4) /* Read */;
data PT_LOAD FLAGS(6) /* Read | Write */;
dyn PT_DYNAMIC;
}
SECTIONS
{
/* =========== CODE section =========== */
PROVIDE(__start__ = 0x0);
. = __start__;
__code_start = . ;
.crt0 :
{
KEEP (*(.crt0 .crt0.*))
. = ALIGN(8);
} :code
.init :
{
KEEP( *(.init) )
. = ALIGN(8);
} :code
.plt :
{
*(.plt)
*(.iplt)
. = ALIGN(8);
} :code
.text :
{
*(.text.unlikely .text.*_unlikely .text.unlikely.*)
*(.text.exit .text.exit.*)
*(.text.startup .text.startup.*)
*(.text.hot .text.hot.*)
*(.text .stub .text.* .gnu.linkonce.t.*)
. = ALIGN(8);
} :code
.fini :
{
KEEP( *(.fini) )
. = ALIGN(8);
} :code
/* .vectors. */
. = ALIGN(2K);
__vectors_start__ = . ;
.vectors :
{
KEEP( *(.vectors) )
. = ALIGN(8);
} :code
/* .sleep. */
. = ALIGN(4K);
__sleep_start__ = . ;
.sleep :
{
KEEP( *(.sleep .sleep.*) )
. = ALIGN(8);
} :code
/* =========== RODATA section =========== */
. = ALIGN(0x1000);
__rodata_start = . ;
.rodata :
{
*(.rodata .rodata.* .gnu.linkonce.r.*)
. = ALIGN(8);
} :rodata
.data.rel.ro :
{
*(.data.rel.ro .data.rel.ro.*)
. = ALIGN(8);
} :rodata
.preinit_array ALIGN(8) :
{
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
} :rodata
.init_array ALIGN(8) :
{
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
} :rodata
__got_start__ = .;
.got : { *(.got) *(.igot) } :rodata
.got.plt : { *(.got.plt) *(.igot.plt) } :rodata
__got_end__ = .;
.eh_frame_hdr : { __eh_frame_hdr_start = .; *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) __eh_frame_hdr_end = .; } :rodata
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } :rodata
.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } :rodata
.gnu_extab : ONLY_IF_RO { *(.gnu_extab*) } : rodata
.dynamic : { *(.dynamic) } :rodata :dyn
.hash : { *(.hash) } :rodata
.gnu.hash : { *(.gnu.hash) } :rodata
.gnu.version : { *(.gnu.version) } :rodata
.gnu.version_d : { *(.gnu.version_d) } :rodata
.gnu.version_r : { *(.gnu.version_r) } :rodata
.note.gnu.build-id : { *(.note.gnu.build-id) } :rodata
/* =========== DATA section =========== */
. = ALIGN(0x1000);
__data_start = . ;
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) } :data
.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } :data
.gnu_extab : ONLY_IF_RW { *(.gnu_extab*) } : data
.exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } :data
.ctors ALIGN(8) :
{
KEEP (*crtbegin.o(.ctors)) /* MUST be first -- GCC requires it */
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} :data
.dtors ALIGN(8) :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} :data
.data ALIGN(8) :
{
*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
. = ALIGN(8);
} :data
__bss_start__ = .;
.rela.dyn : { *(.rela.*) } :data
.bss ADDR(.rela.dyn) (NOLOAD) : {
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(0x1000);
}
__bss_end__ = .;
__end__ = ABSOLUTE(.);
/* ==================
==== Metadata ====
================== */
/* Discard sections that difficult post-processing */
/DISCARD/ : { *(.group .comment .note .interp .fini_array .fini_array.* .dynsym .dynstr) }
/* 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) }
/* 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) }
}