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UserspaceEmulator: Implement JMP_NEAR_imm

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This is a full-width relative jump, when the 8-bit immediate variant
isn't large enough.
This commit is contained in:
Andreas Kling 2020-07-12 01:32:02 +02:00
parent 938a00ecf9
commit bdf72a7c7a
1 changed files with 5 additions and 1 deletions
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6
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -882,7 +882,11 @@ void SoftCPU::JMP_short_imm8(const X86::Instruction& insn)
set_eip(eip() + (i8)insn.imm8()); set_eip(eip() + (i8)insn.imm8());
} }
void SoftCPU::Jcc_NEAR_imm(const X86::Instruction&) { TODO(); } void SoftCPU::Jcc_NEAR_imm(const X86::Instruction& insn)
{
if (evaluate_condition(insn.cc()))
set_eip(eip() + (i32)insn.imm32());
}
void SoftCPU::Jcc_imm8(const X86::Instruction& insn) void SoftCPU::Jcc_imm8(const X86::Instruction& insn)
{ {