fix: support C function mocking on ARM architectures - #70
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- select jump code by CPU ISA instead of pointer width - add absolute jump trampolines for AArch64 and ARM32 - support A32 and aligned/halfword-aligned Thumb-2 entries - normalize Thumb function addresses before patching - flush instruction cache after installing and restoring hooks - avoid unaligned address writes in x86 jump generation - add regression coverage for restoring C functions after reset Verified on x86_64, AArch64, ARM32 A32, and ARM32 Thumb-2. All 275 native unit tests pass. Signed-off-by: huiyuexu <xuhuiyue@huawei.com>
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@sinojelly Support C function mocking on ARM architectures, pls check it can be merged into the main branch and suggest releasing a version. |
- use 4-byte direct AArch64 branches for nearby targets - retain 16-byte absolute jumps for far targets - decode ARM member-function pointers with pointer-sized fields - protect only touched code pages and report hook install failures - add branch-boundary, page-range, and member-pointer tests Verified on x86_64 and AArch64/QEMU. Relevant hook, reset, jump, and page-range tests pass. Signed-off-by: huiyuexu <xuhuiyue@huawei.com>
- resolve non-PIE canonical PLT entries to shared-library functions - pin resolved modules while hooks are active - add nearby trampolines for short AArch64 functions - preserve BTI entries and safely fall back for PAC functions - add lazy and eager cross-DSO regression tests Verified on AArch64/QEMU. Lazy/now binding, short-function, BTI, PAC, hook, and reset cases pass. Signed-off-by: huiyuexu <xuhuiyue@huawei.com>
- parse imported symbol versions from ELF dynamic tables - resolve exact glibc symbol versions with dlvsym - validate ELF table ranges and malformed metadata - cover socket, listen, and pthread rwlock APIs across shared libraries - document the libdl requirement for older glibc Verified on AArch64/QEMU. Versioned system API hook and reset cases pass. The combined branch passes x86_64 279/279, AArch64 287/287, and ARM32 280/280 tests. Signed-off-by: huiyuexu <xuhuiyue@huawei.com>
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Verified on x86_64, AArch64, ARM32 A32, and ARM32 Thumb-2. All 275 native unit tests pass.