T0b1/fadec
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix RIP-relative address decoding

Browse Source
This commit is contained in:
Alexis Engelke
2019-02-03 20:31:49 +01:00
parent e9878785da
commit dd86caa7f9
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
decode.c
View File

@@ -295,6 +295,7 @@ decode_modrm(const uint8_t* buffer, int len, DecodeMode mode, FdInstr* instr,
// If there was no SIB byte.
if (rm != 4)
{
instr->idx_reg = FD_REG_NONE;
if (mod == 0 && rm == 5)
{
#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;
#endif
out_o1->reg = reg_idx;
instr->idx_reg = FD_REG_NONE;
return off;
}