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Folkert 2023-07-26 22:53:15 +02:00
parent 644def72f1
commit f59eed6366
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8 changed files with 107 additions and 33 deletions
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37
crates/compiler/gen_dev/src/object_builder.rs
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@ -121,10 +121,13 @@ pub fn build_module<'a, 'r>(
fn define_setlongjmp_buffer(output: &mut Object) -> SymbolId {
let bss_section = output.section_id(StandardSection::Data);
// 8 registers + 3 words for a RocStr
const SIZE: usize = (8 + 3) * core::mem::size_of::<u64>();
let symbol = Symbol {
name: b"setlongjmp_buffer".to_vec(),
value: 0,
size: 8 * core::mem::size_of::<u64>() as u64,
size: SIZE as u64,
kind: SymbolKind::Data,
scope: SymbolScope::Dynamic,
weak: false,
@ -133,7 +136,7 @@ fn define_setlongjmp_buffer(output: &mut Object) -> SymbolId {
};
let symbol_id = output.add_symbol(symbol);
output.add_symbol_data(symbol_id, bss_section, &[0xAA; 64], 8);
output.add_symbol_data(symbol_id, bss_section, &[0x00; SIZE], 8);
symbol_id
}
@ -188,9 +191,33 @@ fn generate_roc_panic<'a, B: Backend<'a>>(backend: &mut B, output: &mut Object)
flags: SymbolFlags::None,
};
let proc_id = output.add_symbol(proc_symbol);
let proc_data = backend.build_roc_panic();
let (proc_data, relocs) = backend.build_roc_panic();
output.add_symbol_data(proc_id, text_section, proc_data, 16);
let proc_offset = output.add_symbol_data(proc_id, text_section, proc_data, 16);
for r in relocs {
let relocation = match r {
Relocation::LocalData { offset, .. } => unreachable!(),
Relocation::LinkedFunction { offset, .. } => unreachable!(),
Relocation::LinkedData { offset, name } => {
if let Some(sym_id) = output.symbol_id(name.as_bytes()) {
write::Relocation {
offset: offset + proc_offset,
size: 32,
kind: RelocationKind::GotRelative,
encoding: RelocationEncoding::Generic,
symbol: sym_id,
addend: -4,
}
} else {
internal_error!("failed to find data symbol for {:?}", name);
}
}
Relocation::JmpToReturn { offset, .. } => unreachable!(),
};
output.add_relocation(text_section, relocation).unwrap();
}
}
fn generate_wrapper<'a, B: Backend<'a>>(
@ -357,7 +384,7 @@ fn build_object<'a, B: Backend<'a>>(
module_id.register_debug_idents(ident_ids);
}
// println!("{}", test_helper.to_pretty(backend.interner(), 200, true));
println!("{}", test_helper.to_pretty(backend.interner(), 200, true));
build_proc_symbol(
&mut output,