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Per the docs, PC used in ADR should have a +4 added #22

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Per the docs, PC used in ADR should have a +4 added #22

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7 changes: 6 additions & 1 deletion priv/guest_arm_toIR.c
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Original file line number Diff line number Diff line change
Expand Up @@ -20387,8 +20387,13 @@ DisResult disInstr_THUMB_WRK (
/* rD = align4(PC) + imm8 * 4 */
UInt rD = INSN0(10,8);
UInt imm8 = INSN0(7,0);
/* EDG says: Per the ARM Docs, PC-rel instructions need a +4 here! */
putIRegT(rD, binop(Iop_Add32,
binop(Iop_And32, getIRegT(15), mkU32(~3U)),
binop(Iop_And32,
binop(Iop_Add32,
getIRegT(15),
mkU32(4U)),
mkU32(~3U)),
mkU32(imm8 * 4)),
condT);
DIP("add r%u, pc, #%u\n", rD, imm8 * 4);
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