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Fix RIP-relative address decoding

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Alexis Engelke
2019-02-03 20:31:49 +01:00
parent e9878785da
commit dd86caa7f9
1 changed files with 1 additions and 1 deletions
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2
decode.c
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@@ -295,6 +295,7 @@ decode_modrm(const uint8_t* buffer, int len, DecodeMode mode, FdInstr* instr,
// If there was no SIB byte. // If there was no SIB byte.
if (rm != 4) if (rm != 4)
{ {
instr->idx_reg = FD_REG_NONE;
if (mod == 0 && rm == 5) if (mod == 0 && rm == 5)
{ {
#if defined(ARCH_X86_64) #if defined(ARCH_X86_64)
@@ -311,7 +312,6 @@ decode_modrm(const uint8_t* buffer, int len, DecodeMode mode, FdInstr* instr,
reg_idx += prefixes & PREFIX_REXB ? 8 : 0; reg_idx += prefixes & PREFIX_REXB ? 8 : 0;
#endif #endif
out_o1->reg = reg_idx; out_o1->reg = reg_idx;
instr->idx_reg = FD_REG_NONE;
return off; return off;
} }