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>

Cargo.lock

@@ -150,6 +150,15 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "arm-attr"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d0cabd3a7d2dfa96ab3faa7b532a83c5e090061bf6d83197ca2bc91f5afac6c"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "arrayvec"
 version = "0.7.4"
@@ -968,7 +977,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e3d747f100290a1ca24b752186f61f6637e1deffe3bf6320de6fcb29510a307"
 dependencies = [
  "bitflags 2.5.0",
- "libloading 0.7.4",
+ "libloading 0.8.3",
  "winapi",
 ]
 
@@ -2802,6 +2811,7 @@ name = "objdiff-core"
 version = "2.0.0-alpha.4"
 dependencies = [
  "anyhow",
+ "arm-attr",
  "byteorder",
  "cpp_demangle",
  "cwdemangle",
@@ -4029,18 +4039,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.59"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0126ad08bff79f29fc3ae6a55cc72352056dfff61e3ff8bb7129476d44b23aa"
+checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.59"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1cd413b5d558b4c5bf3680e324a6fa5014e7b7c067a51e69dbdf47eb7148b66"
+checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4320,9 +4330,9 @@ dependencies = [
 
 [[package]]
 name = "unarm"
-version = "1.0.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c13fc9a9c95348bf7565e5c30688fc288239962958cac0ccdc7cd009141d850"
+checksum = "c6bff109f0171a299559d82a7236e056093fc0dcd2a7da86aa745f82281e2d31"
 
 [[package]]
 name = "unicase"