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Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp')
-rw-r--r--contrib/llvm-project/llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp137
1 files changed, 76 insertions, 61 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp b/contrib/llvm-project/llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp
index 8e7251a74dfd..9dcd370b9f1e 100644
--- a/contrib/llvm-project/llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp
+++ b/contrib/llvm-project/llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp
@@ -21,7 +21,7 @@
#include "llvm/MC/MCDisassembler/MCDisassembler.h"
#include "llvm/MC/MCFixedLenDisassembler.h"
#include "llvm/MC/MCInst.h"
-#include "llvm/Support/TargetRegistry.h"
+#include "llvm/MC/TargetRegistry.h"
using namespace llvm;
@@ -42,7 +42,7 @@ public:
ArrayRef<uint8_t> Bytes, uint64_t Address,
raw_ostream &CStream) const override;
};
-}
+} // namespace
static MCDisassembler *createAVRDisassembler(const Target &T,
const MCSubtargetInfo &STI,
@@ -50,7 +50,6 @@ static MCDisassembler *createAVRDisassembler(const Target &T,
return new AVRDisassembler(STI, Ctx);
}
-
extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAVRDisassembler() {
// Register the disassembler.
TargetRegistry::RegisterMCDisassembler(getTheAVRTarget(),
@@ -58,18 +57,16 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAVRDisassembler() {
}
static const uint16_t GPRDecoderTable[] = {
- AVR::R0, AVR::R1, AVR::R2, AVR::R3,
- AVR::R4, AVR::R5, AVR::R6, AVR::R7,
- AVR::R8, AVR::R9, AVR::R10, AVR::R11,
- AVR::R12, AVR::R13, AVR::R14, AVR::R15,
- AVR::R16, AVR::R17, AVR::R18, AVR::R19,
- AVR::R20, AVR::R21, AVR::R22, AVR::R23,
- AVR::R24, AVR::R25, AVR::R26, AVR::R27,
- AVR::R28, AVR::R29, AVR::R30, AVR::R31,
+ AVR::R0, AVR::R1, AVR::R2, AVR::R3, AVR::R4, AVR::R5, AVR::R6,
+ AVR::R7, AVR::R8, AVR::R9, AVR::R10, AVR::R11, AVR::R12, AVR::R13,
+ AVR::R14, AVR::R15, AVR::R16, AVR::R17, AVR::R18, AVR::R19, AVR::R20,
+ AVR::R21, AVR::R22, AVR::R23, AVR::R24, AVR::R25, AVR::R26, AVR::R27,
+ AVR::R28, AVR::R29, AVR::R30, AVR::R31,
};
static DecodeStatus DecodeGPR8RegisterClass(MCInst &Inst, unsigned RegNo,
- uint64_t Address, const void *Decoder) {
+ uint64_t Address,
+ const void *Decoder) {
if (RegNo > 31)
return MCDisassembler::Fail;
@@ -79,39 +76,41 @@ static DecodeStatus DecodeGPR8RegisterClass(MCInst &Inst, unsigned RegNo,
}
static DecodeStatus DecodeLD8RegisterClass(MCInst &Inst, unsigned RegNo,
- uint64_t Address, const void *Decoder) {
+ uint64_t Address,
+ const void *Decoder) {
if (RegNo > 15)
return MCDisassembler::Fail;
- unsigned Register = GPRDecoderTable[RegNo+16];
+ unsigned Register = GPRDecoderTable[RegNo + 16];
Inst.addOperand(MCOperand::createReg(Register));
return MCDisassembler::Success;
}
static DecodeStatus DecodePTRREGSRegisterClass(MCInst &Inst, unsigned RegNo,
- uint64_t Address, const void *Decoder) {
+ uint64_t Address,
+ const void *Decoder) {
// Note: this function must be defined but does not seem to be called.
assert(false && "unimplemented: PTRREGS register class");
return MCDisassembler::Success;
}
-static DecodeStatus decodeFIOARr(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder);
+static DecodeStatus decodeFIOARr(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder);
-static DecodeStatus decodeFIORdA(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder);
+static DecodeStatus decodeFIORdA(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder);
-static DecodeStatus decodeFIOBIT(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder);
+static DecodeStatus decodeFIOBIT(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder);
static DecodeStatus decodeCallTarget(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
-static DecodeStatus decodeFRd(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder);
+static DecodeStatus decodeFRd(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder);
-static DecodeStatus decodeFLPMX(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder);
+static DecodeStatus decodeFLPMX(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder);
static DecodeStatus decodeFFMULRdRr(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
@@ -119,40 +118,42 @@ static DecodeStatus decodeFFMULRdRr(MCInst &Inst, unsigned Insn,
static DecodeStatus decodeFMOVWRdRr(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
-static DecodeStatus decodeFWRdK(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder);
+static DecodeStatus decodeFWRdK(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder);
static DecodeStatus decodeFMUL2RdRr(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
#include "AVRGenDisassemblerTables.inc"
-static DecodeStatus decodeFIOARr(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder) {
+static DecodeStatus decodeFIOARr(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
unsigned addr = 0;
addr |= fieldFromInstruction(Insn, 0, 4);
addr |= fieldFromInstruction(Insn, 9, 2) << 4;
unsigned reg = fieldFromInstruction(Insn, 4, 5);
Inst.addOperand(MCOperand::createImm(addr));
- if (DecodeGPR8RegisterClass(Inst, reg, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, reg, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
return MCDisassembler::Success;
}
-static DecodeStatus decodeFIORdA(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder) {
+static DecodeStatus decodeFIORdA(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
unsigned addr = 0;
addr |= fieldFromInstruction(Insn, 0, 4);
addr |= fieldFromInstruction(Insn, 9, 2) << 4;
unsigned reg = fieldFromInstruction(Insn, 4, 5);
- if (DecodeGPR8RegisterClass(Inst, reg, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, reg, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
Inst.addOperand(MCOperand::createImm(addr));
return MCDisassembler::Success;
}
-static DecodeStatus decodeFIOBIT(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder) {
+static DecodeStatus decodeFIOBIT(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
unsigned addr = fieldFromInstruction(Insn, 3, 5);
unsigned b = fieldFromInstruction(Insn, 0, 3);
Inst.addOperand(MCOperand::createImm(addr));
@@ -168,16 +169,17 @@ static DecodeStatus decodeCallTarget(MCInst &Inst, unsigned Field,
return MCDisassembler::Success;
}
-static DecodeStatus decodeFRd(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder) {
+static DecodeStatus decodeFRd(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
unsigned d = fieldFromInstruction(Insn, 4, 5);
- if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
return MCDisassembler::Success;
}
-static DecodeStatus decodeFLPMX(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder) {
+static DecodeStatus decodeFLPMX(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
if (decodeFRd(Inst, Insn, Address, Decoder) == MCDisassembler::Fail)
return MCDisassembler::Fail;
Inst.addOperand(MCOperand::createReg(AVR::R31R30));
@@ -188,9 +190,11 @@ static DecodeStatus decodeFFMULRdRr(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder) {
unsigned d = fieldFromInstruction(Insn, 4, 3) + 16;
unsigned r = fieldFromInstruction(Insn, 0, 3) + 16;
- if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
- if (DecodeGPR8RegisterClass(Inst, r, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, r, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
return MCDisassembler::Success;
}
@@ -199,22 +203,26 @@ static DecodeStatus decodeFMOVWRdRr(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder) {
unsigned r = fieldFromInstruction(Insn, 4, 4) * 2;
unsigned d = fieldFromInstruction(Insn, 0, 4) * 2;
- if (DecodeGPR8RegisterClass(Inst, r, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, r, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
- if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
return MCDisassembler::Success;
}
-static DecodeStatus decodeFWRdK(MCInst &Inst, unsigned Insn,
- uint64_t Address, const void *Decoder) {
+static DecodeStatus decodeFWRdK(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
unsigned d = fieldFromInstruction(Insn, 4, 2) * 2 + 24; // starts at r24:r25
unsigned k = 0;
k |= fieldFromInstruction(Insn, 0, 4);
k |= fieldFromInstruction(Insn, 6, 2) << 4;
- if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
- if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, d, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
Inst.addOperand(MCOperand::createImm(k));
return MCDisassembler::Success;
@@ -224,9 +232,11 @@ static DecodeStatus decodeFMUL2RdRr(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder) {
unsigned rd = fieldFromInstruction(Insn, 4, 4) + 16;
unsigned rr = fieldFromInstruction(Insn, 0, 4) + 16;
- if (DecodeGPR8RegisterClass(Inst, rd, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, rd, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
- if (DecodeGPR8RegisterClass(Inst, rr, Address, Decoder) == MCDisassembler::Fail)
+ if (DecodeGPR8RegisterClass(Inst, rr, Address, Decoder) ==
+ MCDisassembler::Fail)
return MCDisassembler::Fail;
return MCDisassembler::Success;
}
@@ -253,7 +263,8 @@ static DecodeStatus readInstruction32(ArrayRef<uint8_t> Bytes, uint64_t Address,
}
Size = 4;
- Insn = (Bytes[0] << 16) | (Bytes[1] << 24) | (Bytes[2] << 0) | (Bytes[3] << 8);
+ Insn =
+ (Bytes[0] << 16) | (Bytes[1] << 24) | (Bytes[2] << 0) | (Bytes[3] << 8);
return MCDisassembler::Success;
}
@@ -261,9 +272,12 @@ static DecodeStatus readInstruction32(ArrayRef<uint8_t> Bytes, uint64_t Address,
static const uint8_t *getDecoderTable(uint64_t Size) {
switch (Size) {
- case 2: return DecoderTable16;
- case 4: return DecoderTable32;
- default: llvm_unreachable("instructions must be 16 or 32-bits");
+ case 2:
+ return DecoderTable16;
+ case 4:
+ return DecoderTable32;
+ default:
+ llvm_unreachable("instructions must be 16 or 32-bits");
}
}
@@ -279,11 +293,12 @@ DecodeStatus AVRDisassembler::getInstruction(MCInst &Instr, uint64_t &Size,
{
Result = readInstruction16(Bytes, Address, Size, Insn);
- if (Result == MCDisassembler::Fail) return MCDisassembler::Fail;
+ if (Result == MCDisassembler::Fail)
+ return MCDisassembler::Fail;
// Try to auto-decode a 16-bit instruction.
- Result = decodeInstruction(getDecoderTable(Size), Instr,
- Insn, Address, this, STI);
+ Result = decodeInstruction(getDecoderTable(Size), Instr, Insn, Address,
+ this, STI);
if (Result != MCDisassembler::Fail)
return Result;
@@ -293,10 +308,11 @@ DecodeStatus AVRDisassembler::getInstruction(MCInst &Instr, uint64_t &Size,
{
Result = readInstruction32(Bytes, Address, Size, Insn);
- if (Result == MCDisassembler::Fail) return MCDisassembler::Fail;
+ if (Result == MCDisassembler::Fail)
+ return MCDisassembler::Fail;
- Result = decodeInstruction(getDecoderTable(Size), Instr, Insn,
- Address, this, STI);
+ Result = decodeInstruction(getDecoderTable(Size), Instr, Insn, Address,
+ this, STI);
if (Result != MCDisassembler::Fail) {
return Result;
@@ -308,4 +324,3 @@ DecodeStatus AVRDisassembler::getInstruction(MCInst &Instr, uint64_t &Size,
typedef DecodeStatus (*DecodeFunc)(MCInst &MI, unsigned insn, uint64_t Address,
const void *Decoder);
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-15 09:46:12 +0000