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refactor and log more output

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This commit is contained in:
Jakub Konka 2024-10-16 22:54:54 +02:00
parent 88962f9e98
commit 378659dfa9
1 changed files with 29 additions and 19 deletions
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48
crates/linker/src/macho.rs
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@ -1224,6 +1224,15 @@ fn surgery_macho_help(
internal_error!("No text sections found. This application has no code.");
}
if verbose {
println!();
println!("Roc symbol addresses: {:+x?}", md.roc_symbol_vaddresses);
println!("App functions: {:?}", md.app_functions);
println!("Dynamic symbol indices: {:+x?}", md.dynamic_symbol_indices);
println!("PLT addresses: {:+x?}", md.plt_addresses);
println!();
}
// Calculate addresses and load symbols.
// Note, it is important the bss sections come after the rodata sections.
for sec in rodata_sections
@ -1240,7 +1249,7 @@ fn surgery_macho_help(
sec.name().unwrap(),
offset,
virt_offset
)
);
}
section_offset_map.insert(sec.index(), (offset, virt_offset));
for sym in symbols.iter() {
@ -1285,33 +1294,34 @@ fn surgery_macho_help(
// Move data and deal with relocations.
for sec in rodata_sections
.iter()
.chain(bss_sections.iter()) // TODO why do we even
// include uninitialized
// data if it cannot
// ever have any
// relocations in the
// first place?
.chain(bss_sections.iter())
// TODO why do we even include uninitialized data if it cannot
// ever have any relocations in the first place?
.chain(text_sections.iter())
{
let data = match sec.data() {
Ok(data) => data,
Err(err) => {
internal_error!(
"Failed to load data for section, {:+x?}: {}",
sec.name().unwrap(),
err
);
}
};
let data = sec.data().unwrap_or_else(|err| {
internal_error!(
"Failed to load data for section, {:+x?}: {err}",
sec.name().unwrap(),
);
});
let (section_offset, section_virtual_offset) =
section_offset_map.get(&sec.index()).unwrap();
let (section_offset, section_virtual_offset) = (*section_offset, *section_virtual_offset);
exec_mmap[section_offset..section_offset + data.len()].copy_from_slice(data);
// Deal with definitions and relocations for this section.
if verbose {
let segname = sec
.segment_name()
.expect(
"valid segment
name",
)
.unwrap();
let sectname = sec.name().unwrap();
println!();
println!(
"Processing Relocations for Section: 0x{sec:+x?} @ {section_offset:+x} (virt: {section_virtual_offset:+x})"
"Processing Relocations for Section '{segname},{sectname}': 0x{sec:+x?} @ {section_offset:+x} (virt: {section_virtual_offset:+x})"
);
}
@ -1375,7 +1385,7 @@ fn surgery_macho_help(
0
}
_ => {
println!("Handle other MachO relocs");
println!("Handle other MachO relocs: {value}");
0
}
},