mirror of
https://github.com/encounter/objdiff.git
synced 2025-10-05 09:29:51 +00:00
Luke Street
572afa8551
* Support IDO .mdebug for line numbers Resolves #179 * Fix wasm build && cargo clippy --fix * Resolve review comment
83 lines
3.1 KiB
Rust
83 lines
3.1 KiB
Rust
use objdiff_core::{diff, obj};
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mod common;
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#[test]
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#[cfg(feature = "mips")]
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fn read_mips() {
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let diff_config = diff::DiffObjConfig { mips_register_prefix: true, ..Default::default() };
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let obj =
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obj::read::parse(include_object!("data/mips/main.c.o"), &diff_config, diff::DiffSide::Base)
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.unwrap();
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insta::assert_debug_snapshot!(obj);
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let symbol_idx = obj.symbols.iter().position(|s| s.name == "ControlEntry").unwrap();
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let diff = diff::code::no_diff_code(&obj, symbol_idx, &diff_config).unwrap();
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insta::assert_debug_snapshot!(diff.instruction_rows);
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let output = common::display_diff(&obj, &diff, symbol_idx, &diff_config);
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insta::assert_snapshot!(output);
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}
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#[test]
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#[cfg(feature = "mips")]
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fn cross_endian_diff() {
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let diff_config = diff::DiffObjConfig::default();
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let obj_be = obj::read::parse(
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include_object!("data/mips/code_be.o"),
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&diff_config,
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diff::DiffSide::Base,
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)
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.unwrap();
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assert_eq!(obj_be.endianness, object::Endianness::Big);
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let obj_le = obj::read::parse(
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include_object!("data/mips/code_le.o"),
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&diff_config,
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diff::DiffSide::Base,
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)
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.unwrap();
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assert_eq!(obj_le.endianness, object::Endianness::Little);
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let left_symbol_idx = obj_be.symbols.iter().position(|s| s.name == "func_00000000").unwrap();
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let right_symbol_idx =
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obj_le.symbols.iter().position(|s| s.name == "func_00000000__FPcPc").unwrap();
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let (left_diff, right_diff) =
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diff::code::diff_code(&obj_be, &obj_le, left_symbol_idx, right_symbol_idx, &diff_config)
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.unwrap();
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// Although the objects differ in endianness, the instructions should match.
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assert_eq!(left_diff.instruction_rows[0].kind, diff::InstructionDiffKind::None);
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assert_eq!(right_diff.instruction_rows[0].kind, diff::InstructionDiffKind::None);
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assert_eq!(left_diff.instruction_rows[1].kind, diff::InstructionDiffKind::None);
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assert_eq!(right_diff.instruction_rows[1].kind, diff::InstructionDiffKind::None);
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assert_eq!(left_diff.instruction_rows[2].kind, diff::InstructionDiffKind::None);
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assert_eq!(right_diff.instruction_rows[2].kind, diff::InstructionDiffKind::None);
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}
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#[test]
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#[cfg(feature = "mips")]
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fn filter_non_matching() {
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let diff_config = diff::DiffObjConfig::default();
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let obj = obj::read::parse(
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include_object!("data/mips/vw_main.c.o"),
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&diff_config,
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diff::DiffSide::Base,
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)
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.unwrap();
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insta::assert_debug_snapshot!(obj.symbols);
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}
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#[test]
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#[cfg(feature = "mips")]
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fn ido_mdebug_line_numbers() {
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let diff_config = diff::DiffObjConfig::default();
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let obj = obj::read::parse(
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include_object!("data/mips/ido_lines_example.o"),
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&diff_config,
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diff::DiffSide::Base,
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)
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.unwrap();
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let text_section = obj.sections.iter().find(|s| s.name == ".text").unwrap();
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assert_eq!(text_section.line_info.get(&0), Some(&6));
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assert_eq!(text_section.line_info.get(&12), Some(&7));
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assert_eq!(text_section.line_info.get(&56), Some(&9));
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assert_eq!(text_section.line_info.len(), 66);
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}
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