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Enable writing dev backend on macOS

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This commit is contained in:
tarjei 2021-05-22 20:56:40 +02:00
parent 620bd27ad5
commit f581b017e8
5 changed files with 43 additions and 21 deletions
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31
compiler/gen_dev/src/object_builder.rs
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@ -41,6 +41,28 @@ pub fn build_module<'a>(
Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little),
)
}
Triple {
architecture: TargetArch::X86_64,
binary_format: TargetBF::Macho,
..
} => {
let backend: Backend64Bit<
x86_64::X86_64GeneralReg,
x86_64::X86_64FloatReg,
x86_64::X86_64Assembler,
x86_64::X86_64SystemV,
> = Backend::new(env, target)?;
build_object(
env,
procedures,
backend,
Object::new(
BinaryFormat::MachO,
Architecture::X86_64,
Endianness::Little,
),
)
}
Triple {
architecture: TargetArch::Aarch64(_),
binary_format: TargetBF::Elf,
@ -72,12 +94,15 @@ fn build_object<'a, B: Backend<'a>>(
mut output: Object,
) -> Result<Object, String> {
let data_section = output.section_id(StandardSection::Data);
let comment = output.add_section(vec![], b"comment".to_vec(), SectionKind::OtherString);
/*
let comment = output.add_section(vec![], b".comment".to_vec(), SectionKind::OtherString);
output.append_section_data(
comment,
format!("\0roc dev backend version {} \0", VERSION).as_bytes(),
1,
);
*/
// Setup layout_ids for procedure calls.
let mut layout_ids = roc_mono::layout::LayoutIds::default();
@ -89,7 +114,7 @@ fn build_object<'a, B: Backend<'a>>(
let section_id = output.add_section(
output.segment_name(StandardSegment::Text).to_vec(),
format!(".text.{}", fn_name).as_bytes().to_vec(),
format!(".text.{:x}", sym.as_u64()).as_bytes().to_vec(),
SectionKind::Text,
);
@ -182,7 +207,7 @@ fn build_object<'a, B: Backend<'a>>(
offset: offset + proc_offset,
size: 32,
kind: RelocationKind::PltRelative,
encoding: RelocationEncoding::Generic,
encoding: RelocationEncoding::X86Branch,
symbol: sym_id,
addend: -4,
}