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x86: XSAVEOPT is under-constrained preventing CLRSSBSY from being decoded

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Sleigh-InSPECtor 2024-05-21 17:09:16 +09:30
parent 9911db9828
commit 59b3cd062c
1 changed files with 2 additions and 2 deletions
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Ghidra/Processors/x86/data/languages/ia.sinc
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@ -4151,9 +4151,9 @@ define pcodeop xrstors64;
:XSAVEC64 Mem is $(LONGMODE_ON) & vexMode=0 & $(REX_W) & byte=0x0F; byte=0xC7; ( mod != 0b11 & reg_opcode=4 ) ... & Mem { tmp:4 = 512; xsavec64(Mem, tmp); }
@endif
:XSAVEOPT Mem is vexMode=0 & byte=0x0F; byte=0xAE; ( mod != 0b11 & reg_opcode=6 ) ... & Mem { tmp:4 = 512; xsaveopt(Mem, tmp); }
:XSAVEOPT Mem is vexMode=0 & $(PRE_NO) & byte=0x0F; byte=0xAE; ( mod != 0b11 & reg_opcode=6 ) ... & Mem { tmp:4 = 512; xsaveopt(Mem, tmp); }
@ifdef IA64
:XSAVEOPT64 Mem is $(LONGMODE_ON) & vexMode=0 & $(REX_W) & byte=0x0F; byte=0xAE; ( mod != 0b11 & reg_opcode=6 ) ... & Mem { tmp:4 = 512; xsaveopt64(Mem, tmp); }
:XSAVEOPT64 Mem is $(LONGMODE_ON) & vexMode=0 & $(PRE_NO) & $(REX_W) & byte=0x0F; byte=0xAE; ( mod != 0b11 & reg_opcode=6 ) ... & Mem { tmp:4 = 512; xsaveopt64(Mem, tmp); }
@endif
:XSAVES Mem is vexMode=0 & byte=0x0F; byte=0xC7; ( mod != 0b11 & reg_opcode=5 ) ... & Mem { tmp:4 = 512; xsaves(Mem, tmp); }