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Debugger: Implement code flow tracking

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This commit is contained in:
Eladash 2020-11-23 19:57:34 +02:00 • committed by Ivan
parent 427cf91447
commit 15a12afe25
6 changed files with 100 additions and 1 deletions
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39
rpcs3/Emu/Cell/SPUThread.cpp
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@ -373,6 +373,45 @@ namespace spu
}
}
std::array<u32, 2> op_branch_targets(u32 pc, spu_opcode_t op)
{
std::array<u32, 2> res{spu_branch_target(pc + 4), UINT32_MAX};
switch (const auto type = s_spu_itype.decode(op.opcode))
{
case spu_itype::BR:
case spu_itype::BRA:
case spu_itype::BRNZ:
case spu_itype::BRZ:
case spu_itype::BRHNZ:
case spu_itype::BRHZ:
case spu_itype::BRSL:
case spu_itype::BRASL:
{
const int index = (type == spu_itype::BR || type == spu_itype::BRA || type == spu_itype::BRSL || type == spu_itype::BRASL ? 0 : 1);
res[index] = (spu_branch_target(type == spu_itype::BRASL || type == spu_itype::BRA ? 0 : pc, op.i16));
break;
}
case spu_itype::IRET:
case spu_itype::BI:
case spu_itype::BISLED:
case spu_itype::BISL:
case spu_itype::BIZ:
case spu_itype::BINZ:
case spu_itype::BIHZ:
case spu_itype::BIHNZ: // TODO (detect constant address branches, such as for interrupts enable/disable pattern)
case spu_itype::UNK:
{
res[0] = UINT32_MAX;
break;
}
default: break;
}
return res;
}
const auto spu_putllc_tx = build_function_asm<u64(*)(u32 raddr, u64 rtime, void* _old, const void* _new)>([](asmjit::X86Assembler& c, auto& args)
{
using namespace asmjit;