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HP PA-RISC: Migrate to Capstone and add basic analysis #4469

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HP PA-RISC: Migrate to Capstone and add basic analysis #4469

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@XVilka XVilka commented May 4, 2024 •
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Your checklist for this pull request

  • I've read the guidelines for contributing to this repository
  • I made sure to follow the project's coding style
  • I've documented or updated the documentation of every function and struct this PR changes. If not so I've explained why.
  • I've added tests that prove my fix is effective or that my feature works (if possible)
  • I've updated the rizin book with the relevant information (if needed)

Detailed description

  • Remove GNU hppa plugin
  • Add Capstone-based disassembler
  • Add basic analysis plugin

Now it is able to derive control flow properly for most common instructions:

Screenshot 2024-05-05 at 1 20 08 AM

Test plan

CI is green

Closing issues

Partially addresses rizinorg/ideas#1
Partially addresses #2704

@XVilka XVilka added this to the 0.8.0 milestone May 4, 2024
@XVilka XVilka force-pushed the asan-hppa-arch branch 2 times, most recently from 0d0adf3 to 793dece Compare May 4, 2024 18:30
wargio
wargio reviewed May 5, 2024
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librz/arch/p/asm/asm_hppa_cs.c
ctx->insn = NULL;
ctx->count = cs_disasm(ctx->h, buf, len, a->pc, 1, &ctx->insn);
if (ctx->count <= 0) {
RZ_LOG_ERROR("HPPA: disasm error @ 0x%08" PFMT64x ", len = %d\n", a->pc, len);
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remove this.

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It's here for debugging. Once PR is ready I will remove.

@XVilka XVilka mentioned this pull request May 23, 2024
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@XVilka XVilka mentioned this pull request Jun 3, 2024
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@XVilka XVilka force-pushed the asan-hppa-arch branch 2 times, most recently from c0de2e0 to bc42660 Compare September 18, 2024 16:31
@XVilka XVilka mentioned this pull request Nov 4, 2024
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@XVilka XVilka force-pushed the asan-hppa-arch branch 2 times, most recently from 39ff7a5 to 8d2e01e Compare November 24, 2024 13:24
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@wargio wargio wargio left review comments

@ret2libc ret2libc Awaiting requested review from ret2libc ret2libc will be requested when the pull request is marked ready for review ret2libc is a code owner

@kazarmy kazarmy Awaiting requested review from kazarmy kazarmy will be requested when the pull request is marked ready for review kazarmy is a code owner

@thestr4ng3r thestr4ng3r Awaiting requested review from thestr4ng3r thestr4ng3r will be requested when the pull request is marked ready for review thestr4ng3r is a code owner

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ELF HPPA rz-test RzAnalysis RzAsm-Disassembler RzBin
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@XVilka @wargio