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Add linker script for switch

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leo60228 2021-09-15 15:26:59 -04:00
parent f688a56ef6
commit 4bc8549cb3
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2 changed files with 86 additions and 0 deletions
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3
compiler/rustc_target/src/spec/aarch64_nintendo_switch.rs
View File

@ -1,10 +1,13 @@
use super::{LinkerFlavor, LldFlavor, PanicStrategy, RelroLevel, Target, TargetOptions};
const LINKER_SCRIPT: &str = include_str!("./aarch64_nintendo_switch_linker_script.ld");
/// A base target for Nintendo Switch devices using a pure LLVM toolchain.
pub fn target() -> Target {
let mut opts = TargetOptions {
linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
linker: Some("rust-lld".into()),
link_script: Some(LINKER_SCRIPT.into()),
os: "horizon".into(),
max_atomic_width: Some(128),
panic_strategy: PanicStrategy::Abort,

83
compiler/rustc_target/src/spec/aarch64_nintendo_switch_linker_script.ld Normal file
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@ -0,0 +1,83 @@
OUTPUT_FORMAT(elf64-littleaarch64)
OUTPUT_ARCH(aarch64)
ENTRY(_start)
PHDRS
{
text PT_LOAD FLAGS(5);
rodata PT_LOAD FLAGS(4);
data PT_LOAD FLAGS(6);
bss PT_LOAD FLAGS(6);
dynamic PT_DYNAMIC;
}
SECTIONS
{
. = 0;
.text : ALIGN(0x1000) {
HIDDEN(__text_start = .);
KEEP(*(.text.jmp))
. = 0x80;
*(.text .text.*)
*(.plt .plt.*)
}
/* Read-only sections */
. = ALIGN(0x1000);
.module_name : { *(.module_name) } :rodata
.rodata : { *(.rodata .rodata.*) } :rodata
.mod0 : {
KEEP(crt0.nso.o(.data.mod0))
KEEP(crt0.nro.o(.data.mod0))
KEEP(crt0.lib.nro.o(.data.mod0))
}
.hash : { *(.hash) }
.dynsym : { *(.dynsym .dynsym.*) }
.dynstr : { *(.dynstr .dynstr.*) }
.rela.dyn : { *(.rela.dyn) }
.eh_frame : {
HIDDEN(__eh_frame_start = .);
*(.eh_frame .eh_frame.*)
HIDDEN(__eh_frame_end = .);
}
.eh_frame_hdr : {
HIDDEN(__eh_frame_hdr_start = .);
*(.eh_frame_hdr .eh_frame_hdr.*)
HIDDEN(__eh_frame_hdr_end = .);
}
/* Read-write sections */
. = ALIGN(0x1000);
.data : {
*(.data .data.*)
*(.got .got.*)
*(.got.plt .got.plt.*)
} :data
.dynamic : {
HIDDEN(__dynamic_start = .);
*(.dynamic)
}
/* BSS section */
. = ALIGN(0x1000);
.bss : {
HIDDEN(__bss_start = .);
*(.bss .bss.*)
*(COMMON)
. = ALIGN(8);
HIDDEN(__bss_end = .);
} :bss
}