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Skip and warn on REL relocations with invalid source

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Resolves #124
This commit is contained in:
Luke Street
2025-11-26 22:21:42 -07:00
parent 8c8747572c
commit 7df3ffe733
1 changed files with 31 additions and 22 deletions
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53
src/cmd/dol.rs
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@@ -629,17 +629,17 @@ fn update_symbols(
.filter(|(_, r)| r.module_id == obj.module_id)
{
if source_module_id == obj.module_id {
// Skip if already resolved
let (_, source_section) =
obj.sections.get_elf_index(rel_reloc.section as SectionIndex).ok_or_else(|| {
anyhow!(
"Failed to locate REL section {} in module ID {}: source module {}, {:?}",
rel_reloc.section,
obj.module_id,
source_module_id,
rel_reloc
)
})?;
let Some((_, source_section)) =
obj.sections.get_elf_index(rel_reloc.section as SectionIndex)
else {
log::warn!(
"Missing relocation module {}, section {}; skipping",
obj.module_id,
rel_reloc.section
);
continue;
};
if source_section.relocations.contains(rel_reloc.address) {
continue;
}
@@ -710,15 +710,16 @@ fn create_relocations(
// Resolve all relocations in this module
for rel_reloc in take(&mut obj.unresolved_relocations) {
// Skip if already resolved
let (_, source_section) =
obj.sections.get_elf_index(rel_reloc.section as SectionIndex).ok_or_else(|| {
anyhow!(
"Failed to locate REL section {} in module ID {}: {:?}",
rel_reloc.section,
obj.module_id,
rel_reloc
)
})?;
let Some((_, source_section)) =
obj.sections.get_elf_index(rel_reloc.section as SectionIndex)
else {
log::warn!(
"Missing relocation module {}, section {}; skipping",
obj.module_id,
rel_reloc.section
);
continue;
};
if source_section.relocations.contains(rel_reloc.address) {
continue;
}
@@ -775,8 +776,16 @@ fn create_relocations(
Some(rel_reloc.module_id)
},
};
let (_, source_section) =
obj.sections.get_elf_index_mut(rel_reloc.section as SectionIndex).unwrap();
let Some((_, source_section)) =
obj.sections.get_elf_index_mut(rel_reloc.section as SectionIndex)
else {
log::warn!(
"Missing relocation module {}, section {}; skipping",
obj.module_id,
rel_reloc.section
);
continue;
};
source_section.relocations.insert(rel_reloc.address, reloc)?;
}