From 00ebad9a7719b5081eac87b2237fdd94e044344d Mon Sep 17 00:00:00 2001 From: Julian Seward Date: Thu, 11 Apr 2013 10:56:42 +0000 Subject: [PATCH] Implement (T1) LDRT reg+#imm8. Fixes #315689. (Vasily, w.golubev@mail.ru) git-svn-id: svn://svn.valgrind.org/vex/trunk@2705 --- VEX/priv/guest_arm_toIR.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/VEX/priv/guest_arm_toIR.c b/VEX/priv/guest_arm_toIR.c index ae8059a281..311b7cb1f5 100644 --- a/VEX/priv/guest_arm_toIR.c +++ b/VEX/priv/guest_arm_toIR.c @@ -19017,6 +19017,29 @@ DisResult disInstr_THUMB_WRK ( } } + /* -------------- (T1) LDRT reg+#imm8 -------------- */ + /* Load Register Unprivileged: + ldrt Rt, [Rn, #imm8] + */ + if (INSN0(15,6) == BITS10(1,1,1,1,1,0,0,0,0,1) && INSN0(5,4) == BITS2(0,1) + && INSN1(11,8) == BITS4(1,1,1,0)) { + UInt rT = INSN1(15,12); + UInt rN = INSN0(3,0); + UInt imm8 = INSN1(7,0); + Bool valid = True; + if (rN == 15 || isBadRegT(rT)) valid = False; + if (valid) { + put_ITSTATE(old_itstate); + IRExpr* ea = binop(Iop_Add32, getIRegT(rN), mkU32(imm8)); + IRTemp newRt = newTemp(Ity_I32); + loadGuardedLE( newRt, ILGop_Ident32, ea, llGetIReg(rT), condT ); + putIRegT(rT, mkexpr(newRt), IRTemp_INVALID); + put_ITSTATE(new_itstate); + DIP("ldrt r%u, [r%u, #%u]\n", rT, rN, imm8); + goto decode_success; + } + } + /* ----------------------------------------------------------- */ /* -- VFP (CP 10, CP 11) instructions (in Thumb mode) -- */ /* ----------------------------------------------------------- */ -- 2.47.2