Commit Graph

30 Commits

Author SHA1 Message Date
OndrikB a06382c27e
Disambiguate dummy symbols (#107)
* Disambiguate dummy symbols

* Small formatting improvement

* Put HashMap logic into symbol creation
2024-09-27 00:33:36 -06:00
Steven Casper a43320af1f
PPC: Guess reloc data type based on the instruction. (#108)
* Guess reloc data type based on the instruction.

Adds an entry to the reloc tooltip to show the inferred data type
and value.

* Fix clippy warning

* Match on Opcode rather than mnemonic string
2024-09-25 23:45:37 -06:00
Luke Street dcf209aac5 Cleanup & move extab code into ppc arch 2024-09-09 19:43:10 -06:00
Robin Lambertz a32d99923c
Coff line number (#100)
* Update object to 0.36

* Add COFF line number support
2024-09-04 18:36:09 -06:00
Luke Street 0fccae1049 Add experimental wasm bindings
Published to npm as objdiff-wasm
2024-08-20 21:40:32 -06:00
Luke Street fd555a6e0f Fix reading little-endian `.line` section 2024-08-18 21:57:53 -06:00
Luke Street de74dfdba7 Add dummy symbols to empty sections
Allows diffing sections without symbols

Resolves #87
2024-08-11 14:27:27 -06:00
Luke Street e1ccee1e73 Improve data section diffing more
This re-implements the older algorithm
used for data and BSS section match
percentages. We perform both and
choose the highest match percent
between the two options.

Resolves #84, #85
2024-08-11 13:53:52 -06:00
Steven Casper 09cc9952df
Support R_MIPS_GPREL16 relocations correctly (#88)
* Support R_MIPS_GPREL16 relocations correctly

symbols defined in the same file require adding a
special ri_gp_value from the .reginfo section to
their relocation calculations.

* Run nightly rustfmt

* Prevent potential panic when slicing .reginfo
2024-08-08 20:20:41 -06:00
Amber Brault 75b0e7d9e5
Exception table diff view (#82)
* Basic integration

* Implement basic right click option

Needs lotsa work

* nothing to worry about

* Convert extab diff to separate view

* Make clippy and fmt shut up

* Make clippy fmt shut up for real this time

* Print extab/extabindex symbol names in extab view

* I hate fmt

* Basic integration

* Implement basic right click option

Needs lotsa work

* nothing to worry about

* Convert extab diff to separate view

* Make clippy and fmt shut up

* Make clippy fmt shut up for real this time

* Print extab/extabindex symbol names in extab view

* I hate fmt

* Fix scroll position not being maintained from extab view

* Silly me

* Add rlwinm decoder window

* Remove extra files

* Create Cargo.lock

* Show extab symbol names in hover window

* Appease fmt

* Update symbol_diff.rs

* Update symbol_diff.rs

* Get extab symbol from extabindex relocations instead

* Update Cargo.lock

* Update Cargo.lock
2024-07-21 22:25:54 -06:00
Aetias 97981160f4
ARMv4T (GBA) and ARMv6K (3DS) support (#75)
* Initial ARM support

* Disassemble const pool reloc

* Disasm ARM/Thumb/data based on mapping symbols

* Fallback to mapping symbol `$a`

* Support multiple DWARF sequences

* Update line info

* Rework DWARF line info parsing

- Properly handles multiple sections
  in DWARF 1
- line_info moved into ObjSection
- DWARF 2 parser no longer errors with
  no .text section
- Both parsers properly skip empty
  sections

* Simplify line_info (no Option)

* Get line info from section; output formatted ins string

* Unwrap code section in `arm.rs`

* Handle reloc `R_ARM_SBREL32`

* Update ARM disassembler

* Update README.md

* Format

* Revert "Update README.md"

This reverts commit 8bbfcc6f45.

* Update README.md

* Detect ARM version; support ARMv4T and v6K

* Combobox to force ARM version

* Clear LSB in ARM symbol addresses

* Support big-endian ARM ELF files

* Bump `unarm`, `arm-attr`

* Handle ARM implicit addends

* Update README.md

* Explicitly handle all ARM argument types

* Format

* Display more ARM relocs

* Mask LSB on ARM code symbols only

* Read ARM implicit addends

* Format

---------

Co-authored-by: Luke Street <luke.street@encounterpc.com>
2024-06-20 18:36:25 -06:00
Aetias 1fd901a863
Option to combine data sections (#76)
Co-authored-by: Luke Street <luke.street@encounterpc.com>
2024-06-18 22:05:24 -06:00
Aetias a5a6a3928e
Fix read error on objects with no .text section (#67)
* Fix read error on objects with no .text section

* Fix read error on DWARF 1.1 objects

* Revert DWARF 1 changes

---------

Co-authored-by: Luke Street <luke@street.dev>
2024-06-03 19:47:38 -06:00
Aetias 31e9c14681 Allow `None` section when parsing line info
Fixes an error upon ending the last DWARF sequence
2024-05-21 10:10:16 -06:00
Aetias f5b5a612fc
Display correct line numbers for multiple .text sections (#63)
* Support multiple DWARF sequences

* Rework DWARF line info parsing

- Properly handles multiple sections
  in DWARF 1
- line_info moved into ObjSection
- DWARF 2 parser no longer errors with
  no .text section
- Both parsers properly skip empty
  sections

* Simplify line_info (no Option)

---------

Co-authored-by: Luke Street <luke.street@encounterpc.com>
2024-05-21 09:55:39 -06:00
Luke Street 22a24f37f5 Diff data symbols & improve symbol match logic 2024-05-20 23:53:37 -06:00
Luke Street 5bfaaaaf65 Instruction hover / context menu improvements 2024-05-20 17:38:20 -06:00
cadmic 8b36fa4fc6
Fix size of .note.split section (#61)
* Fix size of .note.split section

* clippy fix

---------

Co-authored-by: Luke Street <luke@street.dev>
2024-05-16 18:29:24 -06:00
Luke Street 2c46286aff Update all dependencies & use ppc750cl InsIter 2024-04-30 20:06:04 -06:00
Luke Street 30d14870ef Update ppc750cl, add Itanium demangler & cleanup 2024-03-21 21:36:50 -06:00
Luke Street 4dfc28fc68 Diff cleanup & fixes 2024-03-18 22:56:13 -06:00
Luke Street 3c74b89f15 Restructure diffing code & initial 3-way diffing (WIP) 2024-03-18 18:10:18 -06:00
Luke Street 9df98f263e Move all architecture-specific code into modules
No more scattered relocation handling and
feature checks. Everything will go through
the ObjArch trait, which makes it easier
to add new architectures going forward.
2024-03-17 12:16:47 -06:00
Luke Street bbe49eb8b4 Initial x86 support
Includes a bit of work to make adding new
architectures easier in the future
2024-03-16 23:30:27 -06:00
Luke Street a5668b484b Update all dependencies 2024-03-13 18:20:46 -06:00
Luke Street 20e42a499a Rework .splitmeta, now .note.split
Uses actual ELF .note format, which is
more standard and handled better by mwld.
2024-03-04 18:06:21 -07:00
Robin Avery fd27f4d0cd
cli diff: Resolve object and project if not specified (#44)
* cli diff: Resolve object and project if not specified

* Make `symbol` positional

* Short circuit ambiguous matches

* Tighten argument matching

* Speed up function lookup
2024-02-29 22:22:41 -07:00
Luke Street 39a13f4d36 objdiff-cli diff & report changes, support .splitmeta object section
- Add `objdiff-cli report changes` for diffing two reports
- Unify some click-to-highlight logic between CLI and GUI
- Load .splitmeta section for extra object metadata (original virtual addr, etc)
- More work on objdiff-cli diff
2024-02-28 21:44:53 -07:00
Luke Street 9a7d2bcebf Experimental objdiff-cli (WIP) 2024-02-27 18:47:51 -07:00
Luke Street 4eba5f71b0 Split into objdiff-core / objdiff-gui; update egui to 0.26.2 2024-02-26 18:48:48 -07:00