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add more i386 elf relocs (#319)

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Co-authored-by: Avery Townsend <self@codeshaunted.com>
This commit is contained in:
Avery Townsend
2026-01-24 21:33:42 -05:00
committed by GitHub
parent 08ebea8bd2
commit 0ebd2ae459
1 changed files with 25 additions and 3 deletions
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objdiff-core/src/arch/x86.rs
+25 -3
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@@ -68,7 +68,12 @@ impl ArchX86 {
_ => None,
},
RelocationFlags::Elf(typ) => match typ {
elf::R_386_32 | elf::R_386_PC32 => Some(4),
elf::R_386_32
| elf::R_386_PC32
| elf::R_386_GOT32
| elf::R_386_PLT32
| elf::R_386_GOTOFF
| elf::R_386_GOTPC => Some(4),
elf::R_386_16 => Some(2),
_ => None,
},
@@ -272,7 +277,15 @@ impl Arch for ArchX86 {
object::RelocationFlags::Coff {
typ: pe::IMAGE_REL_I386_DIR32 | pe::IMAGE_REL_I386_REL32,
}
| object::RelocationFlags::Elf { r_type: elf::R_386_32 | elf::R_386_PC32 } => {
| object::RelocationFlags::Elf {
r_type:
elf::R_386_32
| elf::R_386_PC32
| elf::R_386_GOT32
| elf::R_386_PLT32
| elf::R_386_GOTOFF
| elf::R_386_GOTPC,
} => {
let data =
section.data()?[address as usize..address as usize + 4].try_into()?;
self.endianness.read_i32_bytes(data) as i64
@@ -308,7 +321,16 @@ impl Arch for ArchX86 {
pe::IMAGE_REL_I386_REL32 => Some("IMAGE_REL_I386_REL32"),
_ => None,
},
_ => None,
RelocationFlags::Elf(typ) => match typ {
elf::R_386_32 => Some("R_386_32"),
elf::R_386_PC32 => Some("R_386_PC32"),
elf::R_386_GOT32 => Some("R_386_GOT32"),
elf::R_386_PLT32 => Some("R_386_PLT32"),
elf::R_386_GOTOFF => Some("R_386_GOTOFF"),
elf::R_386_GOTPC => Some("R_386_GOTPC"),
elf::R_386_16 => Some("R_386_16"),
_ => None,
},
},
Architecture::X86_64 => match flags {
RelocationFlags::Coff(typ) => match typ {