diff options
Diffstat (limited to 'lib/Target/ARM/ARMMCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMMCCodeEmitter.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMMCCodeEmitter.cpp b/lib/Target/ARM/ARMMCCodeEmitter.cpp index 207332fba7..d35a1c6fb3 100644 --- a/lib/Target/ARM/ARMMCCodeEmitter.cpp +++ b/lib/Target/ARM/ARMMCCodeEmitter.cpp @@ -85,6 +85,11 @@ public: uint32_t getBranchTargetOpValue(const MCInst &MI, unsigned OpIdx, SmallVectorImpl<MCFixup> &Fixups) const; + /// getAdrLabelOpValue - Return encoding info for 12-bit immediate + /// ADR label target. + uint32_t getAdrLabelOpValue(const MCInst &MI, unsigned OpIdx, + SmallVectorImpl<MCFixup> &Fixups) const; + /// getAddrModeImm12OpValue - Return encoding info for 'reg +/- imm12' /// operand. uint32_t getAddrModeImm12OpValue(const MCInst &MI, unsigned OpIdx, @@ -395,6 +400,24 @@ getBranchTargetOpValue(const MCInst &MI, unsigned OpIdx, return 0; } +/// getAdrLabelOpValue - Return encoding info for 12-bit immediate +/// ADR label target. +uint32_t ARMMCCodeEmitter:: +getAdrLabelOpValue(const MCInst &MI, unsigned OpIdx, + SmallVectorImpl<MCFixup> &Fixups) const { + const MCOperand &MO = MI.getOperand(OpIdx); + + // If the destination is an immediate, we have nothing to do. + if (MO.isImm()) return MO.getImm(); + assert (MO.isExpr() && "Unexpected branch target type!"); + const MCExpr *Expr = MO.getExpr(); + MCFixupKind Kind = MCFixupKind(ARM::fixup_arm_pcrel_12); + Fixups.push_back(MCFixup::Create(0, Expr, Kind)); + + // All of the information is in the fixup. + return 0; +} + /// getAddrModeImm12OpValue - Return encoding info for 'reg +/- imm12' operand. uint32_t ARMMCCodeEmitter:: getAddrModeImm12OpValue(const MCInst &MI, unsigned OpIdx, |