2014-03-18 22:07:45 +00:00
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Pull in r198591 from upstream llvm trunk (by Venkatraman Govindaraju):
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[Sparc] Add initial implementation of disassembler for sparc
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2014-05-24 22:27:31 +00:00
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Introduced here: http://svnweb.freebsd.org/changeset/base/262261
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2014-03-18 22:07:45 +00:00
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Index: lib/Target/Sparc/SparcInstrFormats.td
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===================================================================
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--- lib/Target/Sparc/SparcInstrFormats.td
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+++ lib/Target/Sparc/SparcInstrFormats.td
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@@ -12,6 +12,7 @@ class InstSP<dag outs, dag ins, string asmstr, lis
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field bits<32> Inst;
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let Namespace = "SP";
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+ let Size = 4;
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bits<2> op;
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let Inst{31-30} = op; // Top two bits are the 'op' field
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@@ -20,6 +21,9 @@ class InstSP<dag outs, dag ins, string asmstr, lis
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dag InOperandList = ins;
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let AsmString = asmstr;
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let Pattern = pattern;
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+
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+ let DecoderNamespace = "Sparc";
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+ field bits<32> SoftFail = 0;
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}
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//===----------------------------------------------------------------------===//
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@@ -58,6 +62,27 @@ class F2_2<bits<3> op2Val, dag outs, dag ins, stri
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let Inst{28-25} = cond;
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}
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+class F2_3<bits<3> op2Val, bits<2> ccVal, dag outs, dag ins, string asmstr,
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+ list<dag> pattern>
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+ : InstSP<outs, ins, asmstr, pattern> {
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+ bit annul;
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+ bits<4> cond;
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+ bit pred;
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+ bits<19> imm19;
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+
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+ let op = 0; // op = 0
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+
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+ bit annul = 0; // currently unused
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+ let pred = 1; // default is predict taken
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+
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+ let Inst{29} = annul;
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+ let Inst{28-25} = cond;
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+ let Inst{24-22} = op2Val;
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+ let Inst{21-20} = ccVal;
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+ let Inst{19} = pred;
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+ let Inst{18-0} = imm19;
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+}
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+
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//===----------------------------------------------------------------------===//
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// Format #3 instruction classes in the Sparc
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//===----------------------------------------------------------------------===//
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Index: lib/Target/Sparc/LLVMBuild.txt
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===================================================================
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--- lib/Target/Sparc/LLVMBuild.txt
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+++ lib/Target/Sparc/LLVMBuild.txt
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@@ -16,13 +16,15 @@
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;===------------------------------------------------------------------------===;
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[common]
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-subdirectories = AsmParser InstPrinter MCTargetDesc TargetInfo
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+subdirectories = AsmParser Disassembler InstPrinter MCTargetDesc TargetInfo
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[component_0]
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type = TargetGroup
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name = Sparc
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parent = Target
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+has_asmparser = 1
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has_asmprinter = 1
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+has_disassembler = 1
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has_jit = 1
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[component_1]
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Index: lib/Target/Sparc/SparcInstrInfo.td
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===================================================================
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--- lib/Target/Sparc/SparcInstrInfo.td
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+++ lib/Target/Sparc/SparcInstrInfo.td
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@@ -230,13 +230,13 @@ def FCC_O : FCC_VAL<29>; // Ordered
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multiclass F3_12<string OpcStr, bits<6> Op3Val, SDNode OpNode,
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RegisterClass RC, ValueType Ty, Operand immOp> {
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def rr : F3_1<2, Op3Val,
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- (outs RC:$dst), (ins RC:$b, RC:$c),
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- !strconcat(OpcStr, " $b, $c, $dst"),
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- [(set Ty:$dst, (OpNode Ty:$b, Ty:$c))]>;
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+ (outs RC:$rd), (ins RC:$rs1, RC:$rs2),
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+ !strconcat(OpcStr, " $rs1, $rs2, $rd"),
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+ [(set Ty:$rd, (OpNode Ty:$rs1, Ty:$rs2))]>;
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def ri : F3_2<2, Op3Val,
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- (outs RC:$dst), (ins RC:$b, immOp:$c),
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- !strconcat(OpcStr, " $b, $c, $dst"),
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- [(set Ty:$dst, (OpNode Ty:$b, (Ty simm13:$c)))]>;
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+ (outs RC:$rd), (ins RC:$rs1, immOp:$simm13),
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+ !strconcat(OpcStr, " $rs1, $simm13, $rd"),
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+ [(set Ty:$rd, (OpNode Ty:$rs1, (Ty simm13:$simm13)))]>;
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}
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/// F3_12np multiclass - Define a normal F3_1/F3_2 pattern in one shot, with no
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@@ -243,11 +243,11 @@ multiclass F3_12<string OpcStr, bits<6> Op3Val, SD
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/// pattern.
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multiclass F3_12np<string OpcStr, bits<6> Op3Val> {
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def rr : F3_1<2, Op3Val,
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- (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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- !strconcat(OpcStr, " $b, $c, $dst"), []>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, IntRegs:$rs2),
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+ !strconcat(OpcStr, " $rs1, $rs2, $rd"), []>;
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def ri : F3_2<2, Op3Val,
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- (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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- !strconcat(OpcStr, " $b, $c, $dst"), []>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, i32imm:$simm13),
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+ !strconcat(OpcStr, " $rs1, $simm13, $rd"), []>;
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}
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//===----------------------------------------------------------------------===//
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@@ -488,31 +488,31 @@ let rd = 0, imm22 = 0 in
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defm AND : F3_12<"and", 0b000001, and, IntRegs, i32, i32imm>;
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def ANDNrr : F3_1<2, 0b000101,
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- (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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- "andn $b, $c, $dst",
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- [(set i32:$dst, (and i32:$b, (not i32:$c)))]>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, IntRegs:$rs2),
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+ "andn $rs1, $rs2, $rd",
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+ [(set i32:$rd, (and i32:$rs1, (not i32:$rs2)))]>;
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def ANDNri : F3_2<2, 0b000101,
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- (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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- "andn $b, $c, $dst", []>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, i32imm:$simm13),
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+ "andn $rs1, $simm13, $rd", []>;
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defm OR : F3_12<"or", 0b000010, or, IntRegs, i32, i32imm>;
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def ORNrr : F3_1<2, 0b000110,
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- (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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- "orn $b, $c, $dst",
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- [(set i32:$dst, (or i32:$b, (not i32:$c)))]>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, IntRegs:$rs2),
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+ "orn $rs1, $rs2, $rd",
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+ [(set i32:$rd, (or i32:$rs1, (not i32:$rs2)))]>;
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def ORNri : F3_2<2, 0b000110,
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- (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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- "orn $b, $c, $dst", []>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, i32imm:$simm13),
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+ "orn $rs1, $simm13, $rd", []>;
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defm XOR : F3_12<"xor", 0b000011, xor, IntRegs, i32, i32imm>;
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def XNORrr : F3_1<2, 0b000111,
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- (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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- "xnor $b, $c, $dst",
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- [(set i32:$dst, (not (xor i32:$b, i32:$c)))]>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, IntRegs:$rs2),
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+ "xnor $rs1, $rs2, $rd",
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+ [(set i32:$rd, (not (xor i32:$rs1, i32:$rs2)))]>;
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def XNORri : F3_2<2, 0b000111,
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- (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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- "xnor $b, $c, $dst", []>;
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+ (outs IntRegs:$rd), (ins IntRegs:$rs1, i32imm:$simm13),
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+ "xnor $rs1, $simm13, $rd", []>;
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// Section B.12 - Shift Instructions, p. 107
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defm SLL : F3_12<"sll", 0b100101, shl, IntRegs, i32, i32imm>;
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@@ -545,21 +545,15 @@ let Defs = [ICC] in
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let Defs = [ICC], rd = 0 in {
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def CMPrr : F3_1<2, 0b010100,
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- (outs), (ins IntRegs:$b, IntRegs:$c),
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- "cmp $b, $c",
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- [(SPcmpicc i32:$b, i32:$c)]>;
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+ (outs), (ins IntRegs:$rs1, IntRegs:$rs2),
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+ "cmp $rs1, $rs2",
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+ [(SPcmpicc i32:$rs1, i32:$rs2)]>;
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def CMPri : F3_2<2, 0b010100,
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- (outs), (ins IntRegs:$b, i32imm:$c),
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- "cmp $b, $c",
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- [(SPcmpicc i32:$b, (i32 simm13:$c))]>;
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+ (outs), (ins IntRegs:$rs1, i32imm:$simm13),
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+ "cmp $rs1, $simm13",
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+ [(SPcmpicc i32:$rs1, (i32 simm13:$simm13))]>;
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}
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-let Uses = [ICC], Defs = [ICC] in
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- def SUBXCCrr: F3_1<2, 0b011100,
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- (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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- "subxcc $b, $c, $dst", []>;
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-
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-
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// Section B.18 - Multiply Instructions, p. 113
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let Defs = [Y] in {
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defm UMUL : F3_12np<"umul", 0b001010>;
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@@ -858,7 +852,7 @@ let Defs = [FCC] in {
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//===----------------------------------------------------------------------===//
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// Instructions for Thread Local Storage(TLS).
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//===----------------------------------------------------------------------===//
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-
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+let isCodeGenOnly = 1, isAsmParserOnly = 1 in {
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def TLS_ADDrr : F3_1<2, 0b000000,
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(outs IntRegs:$rd),
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(ins IntRegs:$rs1, IntRegs:$rs2, TLSSym:$sym),
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@@ -882,6 +876,7 @@ let Uses = [O6], isCall = 1, hasDelaySlot = 1 in
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let op = 1;
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let Inst{29-0} = disp;
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}
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+}
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//===----------------------------------------------------------------------===//
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// V9 Instructions
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Index: lib/Target/Sparc/CMakeLists.txt
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===================================================================
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--- lib/Target/Sparc/CMakeLists.txt
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+++ lib/Target/Sparc/CMakeLists.txt
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@@ -3,6 +3,7 @@ set(LLVM_TARGET_DEFINITIONS Sparc.td)
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tablegen(LLVM SparcGenRegisterInfo.inc -gen-register-info)
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tablegen(LLVM SparcGenInstrInfo.inc -gen-instr-info)
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tablegen(LLVM SparcGenCodeEmitter.inc -gen-emitter)
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+tablegen(LLVM SparcGenDisassemblerTables.inc -gen-disassembler)
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tablegen(LLVM SparcGenMCCodeEmitter.inc -gen-emitter -mc-emitter)
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tablegen(LLVM SparcGenAsmWriter.inc -gen-asm-writer)
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tablegen(LLVM SparcGenAsmMatcher.inc -gen-asm-matcher)
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@@ -34,3 +35,4 @@ add_subdirectory(TargetInfo)
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add_subdirectory(MCTargetDesc)
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add_subdirectory(InstPrinter)
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add_subdirectory(AsmParser)
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+add_subdirectory(Disassembler)
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Index: lib/Target/Sparc/Disassembler/SparcDisassembler.cpp
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===================================================================
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--- lib/Target/Sparc/Disassembler/SparcDisassembler.cpp
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+++ lib/Target/Sparc/Disassembler/SparcDisassembler.cpp
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@@ -0,0 +1,228 @@
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+//===- SparcDisassembler.cpp - Disassembler for Sparc -----------*- C++ -*-===//
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+//
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+// The LLVM Compiler Infrastructure
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+//
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+// This file is distributed under the University of Illinois Open Source
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+// License. See LICENSE.TXT for details.
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+//
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+//===----------------------------------------------------------------------===//
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+//
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+// This file is part of the Sparc Disassembler.
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+//
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+//===----------------------------------------------------------------------===//
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+
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+#define DEBUG_TYPE "sparc-disassembler"
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+
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+#include "Sparc.h"
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+#include "SparcRegisterInfo.h"
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+#include "SparcSubtarget.h"
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+#include "llvm/MC/MCDisassembler.h"
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+#include "llvm/MC/MCFixedLenDisassembler.h"
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+#include "llvm/Support/MemoryObject.h"
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+#include "llvm/Support/TargetRegistry.h"
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+
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+using namespace llvm;
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+
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+typedef MCDisassembler::DecodeStatus DecodeStatus;
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+
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+namespace {
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+
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+/// SparcDisassembler - a disassembler class for Sparc.
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+class SparcDisassembler : public MCDisassembler {
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+public:
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+ /// Constructor - Initializes the disassembler.
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+ ///
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+ SparcDisassembler(const MCSubtargetInfo &STI, const MCRegisterInfo *Info) :
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+ MCDisassembler(STI), RegInfo(Info)
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+ {}
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+ virtual ~SparcDisassembler() {}
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+
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+ const MCRegisterInfo *getRegInfo() const { return RegInfo.get(); }
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+
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+ /// getInstruction - See MCDisassembler.
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+ virtual DecodeStatus getInstruction(MCInst &instr,
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+ uint64_t &size,
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+ const MemoryObject ®ion,
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+ uint64_t address,
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+ raw_ostream &vStream,
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+ raw_ostream &cStream) const;
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+private:
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+ OwningPtr<const MCRegisterInfo> RegInfo;
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+};
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+
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+}
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+
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+namespace llvm {
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+ extern Target TheSparcTarget, TheSparcV9Target;
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+}
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+
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+static MCDisassembler *createSparcDisassembler(
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+ const Target &T,
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+ const MCSubtargetInfo &STI) {
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+ return new SparcDisassembler(STI, T.createMCRegInfo(""));
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+}
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+
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+
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+extern "C" void LLVMInitializeSparcDisassembler() {
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+ // Register the disassembler.
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+ TargetRegistry::RegisterMCDisassembler(TheSparcTarget,
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+ createSparcDisassembler);
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+ TargetRegistry::RegisterMCDisassembler(TheSparcV9Target,
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+ createSparcDisassembler);
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+}
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+
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+
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+
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+static const unsigned IntRegDecoderTable[] = {
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+ SP::G0, SP::G1, SP::G2, SP::G3,
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+ SP::G4, SP::G5, SP::G6, SP::G7,
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+ SP::O0, SP::O1, SP::O2, SP::O3,
|
|
|
|
+ SP::O4, SP::O5, SP::O6, SP::O7,
|
|
|
|
+ SP::L0, SP::L1, SP::L2, SP::L3,
|
|
|
|
+ SP::L4, SP::L5, SP::L6, SP::L7,
|
|
|
|
+ SP::I0, SP::I1, SP::I2, SP::I3,
|
|
|
|
+ SP::I4, SP::I5, SP::I6, SP::I7 };
|
|
|
|
+
|
|
|
|
+static const unsigned FPRegDecoderTable[] = {
|
|
|
|
+ SP::F0, SP::F1, SP::F2, SP::F3,
|
|
|
|
+ SP::F4, SP::F5, SP::F6, SP::F7,
|
|
|
|
+ SP::F8, SP::F9, SP::F10, SP::F11,
|
|
|
|
+ SP::F12, SP::F13, SP::F14, SP::F15,
|
|
|
|
+ SP::F16, SP::F17, SP::F18, SP::F19,
|
|
|
|
+ SP::F20, SP::F21, SP::F22, SP::F23,
|
|
|
|
+ SP::F24, SP::F25, SP::F26, SP::F27,
|
|
|
|
+ SP::F28, SP::F29, SP::F30, SP::F31 };
|
|
|
|
+
|
|
|
|
+static const unsigned DFPRegDecoderTable[] = {
|
|
|
|
+ SP::D0, SP::D16, SP::D1, SP::D17,
|
|
|
|
+ SP::D2, SP::D18, SP::D3, SP::D19,
|
|
|
|
+ SP::D4, SP::D20, SP::D5, SP::D21,
|
|
|
|
+ SP::D6, SP::D22, SP::D7, SP::D23,
|
|
|
|
+ SP::D8, SP::D24, SP::D9, SP::D25,
|
|
|
|
+ SP::D10, SP::D26, SP::D11, SP::D27,
|
|
|
|
+ SP::D12, SP::D28, SP::D13, SP::D29,
|
|
|
|
+ SP::D14, SP::D30, SP::D15, SP::D31 };
|
|
|
|
+
|
|
|
|
+static const unsigned QFPRegDecoderTable[] = {
|
|
|
|
+ SP::Q0, SP::Q8, -1, -1,
|
|
|
|
+ SP::Q1, SP::Q9, -1, -1,
|
|
|
|
+ SP::Q2, SP::Q10, -1, -1,
|
|
|
|
+ SP::Q3, SP::Q11, -1, -1,
|
|
|
|
+ SP::Q4, SP::Q12, -1, -1,
|
|
|
|
+ SP::Q5, SP::Q13, -1, -1,
|
|
|
|
+ SP::Q6, SP::Q14, -1, -1,
|
|
|
|
+ SP::Q7, SP::Q15, -1, -1 } ;
|
|
|
|
+
|
|
|
|
+static DecodeStatus DecodeIntRegsRegisterClass(MCInst &Inst,
|
|
|
|
+ unsigned RegNo,
|
|
|
|
+ uint64_t Address,
|
|
|
|
+ const void *Decoder) {
|
|
|
|
+ if (RegNo > 31)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+ unsigned Reg = IntRegDecoderTable[RegNo];
|
|
|
|
+ Inst.addOperand(MCOperand::CreateReg(Reg));
|
|
|
|
+ return MCDisassembler::Success;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static DecodeStatus DecodeI64RegsRegisterClass(MCInst &Inst,
|
|
|
|
+ unsigned RegNo,
|
|
|
|
+ uint64_t Address,
|
|
|
|
+ const void *Decoder) {
|
|
|
|
+ if (RegNo > 31)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+ unsigned Reg = IntRegDecoderTable[RegNo];
|
|
|
|
+ Inst.addOperand(MCOperand::CreateReg(Reg));
|
|
|
|
+ return MCDisassembler::Success;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+static DecodeStatus DecodeFPRegsRegisterClass(MCInst &Inst,
|
|
|
|
+ unsigned RegNo,
|
|
|
|
+ uint64_t Address,
|
|
|
|
+ const void *Decoder) {
|
|
|
|
+ if (RegNo > 31)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+ unsigned Reg = FPRegDecoderTable[RegNo];
|
|
|
|
+ Inst.addOperand(MCOperand::CreateReg(Reg));
|
|
|
|
+ return MCDisassembler::Success;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+static DecodeStatus DecodeDFPRegsRegisterClass(MCInst &Inst,
|
|
|
|
+ unsigned RegNo,
|
|
|
|
+ uint64_t Address,
|
|
|
|
+ const void *Decoder) {
|
|
|
|
+ if (RegNo > 31)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+ unsigned Reg = DFPRegDecoderTable[RegNo];
|
|
|
|
+ Inst.addOperand(MCOperand::CreateReg(Reg));
|
|
|
|
+ return MCDisassembler::Success;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+static DecodeStatus DecodeQFPRegsRegisterClass(MCInst &Inst,
|
|
|
|
+ unsigned RegNo,
|
|
|
|
+ uint64_t Address,
|
|
|
|
+ const void *Decoder) {
|
|
|
|
+ if (RegNo > 31)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+
|
|
|
|
+ unsigned Reg = QFPRegDecoderTable[RegNo];
|
|
|
|
+ if (Reg == (unsigned)-1)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+ Inst.addOperand(MCOperand::CreateReg(Reg));
|
|
|
|
+ return MCDisassembler::Success;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+#include "SparcGenDisassemblerTables.inc"
|
|
|
|
+
|
|
|
|
+/// readInstruction - read four bytes from the MemoryObject
|
|
|
|
+/// and return 32 bit word.
|
|
|
|
+static DecodeStatus readInstruction32(const MemoryObject ®ion,
|
|
|
|
+ uint64_t address,
|
|
|
|
+ uint64_t &size,
|
|
|
|
+ uint32_t &insn) {
|
|
|
|
+ uint8_t Bytes[4];
|
|
|
|
+
|
|
|
|
+ // We want to read exactly 4 Bytes of data.
|
|
|
|
+ if (region.readBytes(address, 4, Bytes) == -1) {
|
|
|
|
+ size = 0;
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // Encoded as a big-endian 32-bit word in the stream.
|
|
|
|
+ insn = (Bytes[3] << 0) |
|
|
|
|
+ (Bytes[2] << 8) |
|
|
|
|
+ (Bytes[1] << 16) |
|
|
|
|
+ (Bytes[0] << 24);
|
|
|
|
+
|
|
|
|
+ return MCDisassembler::Success;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+DecodeStatus
|
|
|
|
+SparcDisassembler::getInstruction(MCInst &instr,
|
|
|
|
+ uint64_t &Size,
|
|
|
|
+ const MemoryObject &Region,
|
|
|
|
+ uint64_t Address,
|
|
|
|
+ raw_ostream &vStream,
|
|
|
|
+ raw_ostream &cStream) const {
|
|
|
|
+ uint32_t Insn;
|
|
|
|
+
|
|
|
|
+ DecodeStatus Result = readInstruction32(Region, Address, Size, Insn);
|
|
|
|
+ if (Result == MCDisassembler::Fail)
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+ // Calling the auto-generated decoder function.
|
|
|
|
+ Result = decodeInstruction(DecoderTableSparc32, instr, Insn, Address,
|
|
|
|
+ this, STI);
|
|
|
|
+
|
|
|
|
+ if (Result != MCDisassembler::Fail) {
|
|
|
|
+ Size = 4;
|
|
|
|
+ return Result;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return MCDisassembler::Fail;
|
|
|
|
+}
|
|
|
|
Index: lib/Target/Sparc/Disassembler/LLVMBuild.txt
|
|
|
|
===================================================================
|
|
|
|
--- lib/Target/Sparc/Disassembler/LLVMBuild.txt
|
|
|
|
+++ lib/Target/Sparc/Disassembler/LLVMBuild.txt
|
|
|
|
@@ -0,0 +1,23 @@
|
|
|
|
+;===- ./lib/Target/Sparc/Disassembler/LLVMBuild.txt ------------*- Conf -*--===;
|
|
|
|
+;
|
|
|
|
+; The LLVM Compiler Infrastructure
|
|
|
|
+;
|
|
|
|
+; This file is distributed under the University of Illinois Open Source
|
|
|
|
+; License. See LICENSE.TXT for details.
|
|
|
|
+;
|
|
|
|
+;===------------------------------------------------------------------------===;
|
|
|
|
+;
|
|
|
|
+; This is an LLVMBuild description file for the components in this subdirectory.
|
|
|
|
+;
|
|
|
|
+; For more information on the LLVMBuild system, please see:
|
|
|
|
+;
|
|
|
|
+; http://llvm.org/docs/LLVMBuild.html
|
|
|
|
+;
|
|
|
|
+;===------------------------------------------------------------------------===;
|
|
|
|
+
|
|
|
|
+[component_0]
|
|
|
|
+type = Library
|
|
|
|
+name = SparcDisassembler
|
|
|
|
+parent = Sparc
|
|
|
|
+required_libraries = MC Support SparcInfo
|
|
|
|
+add_to_library_groups = Sparc
|
|
|
|
Index: lib/Target/Sparc/Disassembler/CMakeLists.txt
|
|
|
|
===================================================================
|
|
|
|
--- lib/Target/Sparc/Disassembler/CMakeLists.txt
|
|
|
|
+++ lib/Target/Sparc/Disassembler/CMakeLists.txt
|
|
|
|
@@ -0,0 +1,12 @@
|
|
|
|
+add_llvm_library(LLVMSparcDisassembler
|
|
|
|
+ SparcDisassembler.cpp
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+# workaround for hanging compilation on MSVC9 and 10
|
|
|
|
+if( MSVC_VERSION EQUAL 1400 OR MSVC_VERSION EQUAL 1500
|
|
|
|
+ OR MSVC_VERSION EQUAL 1600 )
|
|
|
|
+set_property(
|
|
|
|
+ SOURCE SparcDisassembler.cpp
|
|
|
|
+ PROPERTY COMPILE_FLAGS "/Od"
|
|
|
|
+ )
|
|
|
|
+endif()
|
|
|
|
Index: lib/Target/Sparc/Disassembler/Makefile
|
|
|
|
===================================================================
|
|
|
|
--- lib/Target/Sparc/Disassembler/Makefile
|
|
|
|
+++ lib/Target/Sparc/Disassembler/Makefile
|
|
|
|
@@ -0,0 +1,16 @@
|
|
|
|
+##===- lib/Target/Sparc/Disassembler/Makefile --------------*- Makefile -*-===##
|
|
|
|
+#
|
|
|
|
+# The LLVM Compiler Infrastructure
|
|
|
|
+#
|
|
|
|
+# This file is distributed under the University of Illinois Open Source
|
|
|
|
+# License. See LICENSE.TXT for details.
|
|
|
|
+#
|
|
|
|
+##===----------------------------------------------------------------------===##
|
|
|
|
+
|
|
|
|
+LEVEL = ../../../..
|
|
|
|
+LIBRARYNAME = LLVMSparcDisassembler
|
|
|
|
+
|
|
|
|
+# Hack: we need to include 'main' Sparc target directory to grab private headers
|
|
|
|
+CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
|
|
|
|
+
|
|
|
|
+include $(LEVEL)/Makefile.common
|
|
|
|
Index: lib/Target/Sparc/Makefile
|
|
|
|
===================================================================
|
|
|
|
--- lib/Target/Sparc/Makefile
|
|
|
|
+++ lib/Target/Sparc/Makefile
|
|
|
|
@@ -14,11 +14,11 @@ TARGET = Sparc
|
|
|
|
# Make sure that tblgen is run, first thing.
|
|
|
|
BUILT_SOURCES = SparcGenRegisterInfo.inc SparcGenInstrInfo.inc \
|
|
|
|
SparcGenAsmWriter.inc SparcGenAsmMatcher.inc \
|
|
|
|
- SparcGenDAGISel.inc \
|
|
|
|
+ SparcGenDAGISel.inc SparcGenDisassemblerTables.inc \
|
|
|
|
SparcGenSubtargetInfo.inc SparcGenCallingConv.inc \
|
|
|
|
SparcGenCodeEmitter.inc SparcGenMCCodeEmitter.inc
|
|
|
|
|
|
|
|
-DIRS = InstPrinter AsmParser TargetInfo MCTargetDesc
|
|
|
|
+DIRS = InstPrinter AsmParser Disassembler TargetInfo MCTargetDesc
|
|
|
|
|
|
|
|
include $(LEVEL)/Makefile.common
|
|
|
|
|
|
|
|
Index: lib/Target/Sparc/SparcInstr64Bit.td
|
|
|
|
===================================================================
|
|
|
|
--- lib/Target/Sparc/SparcInstr64Bit.td
|
|
|
|
+++ lib/Target/Sparc/SparcInstr64Bit.td
|
|
|
|
@@ -141,6 +141,7 @@ def : Pat<(i64 imm:$val),
|
|
|
|
let Predicates = [Is64Bit] in {
|
|
|
|
|
|
|
|
// Register-register instructions.
|
|
|
|
+let isCodeGenOnly = 1 in {
|
|
|
|
defm ANDX : F3_12<"and", 0b000001, and, I64Regs, i64, i64imm>;
|
|
|
|
defm ORX : F3_12<"or", 0b000010, or, I64Regs, i64, i64imm>;
|
|
|
|
defm XORX : F3_12<"xor", 0b000011, xor, I64Regs, i64, i64imm>;
|
|
|
|
@@ -161,8 +162,6 @@ def XNORXrr : F3_1<2, 0b000111,
|
|
|
|
defm ADDX : F3_12<"add", 0b000000, add, I64Regs, i64, i64imm>;
|
|
|
|
defm SUBX : F3_12<"sub", 0b000100, sub, I64Regs, i64, i64imm>;
|
|
|
|
|
|
|
|
-def : Pat<(SPcmpicc i64:$a, i64:$b), (CMPrr $a, $b)>;
|
|
|
|
-
|
|
|
|
def TLS_ADDXrr : F3_1<2, 0b000000, (outs I64Regs:$rd),
|
|
|
|
(ins I64Regs:$rs1, I64Regs:$rs2, TLSSym:$sym),
|
|
|
|
"add $rs1, $rs2, $rd, $sym",
|
|
|
|
@@ -169,18 +168,17 @@ def TLS_ADDXrr : F3_1<2, 0b000000, (outs I64Regs:$
|
|
|
|
[(set i64:$rd,
|
|
|
|
(tlsadd i64:$rs1, i64:$rs2, tglobaltlsaddr:$sym))]>;
|
|
|
|
|
|
|
|
-// Register-immediate instructions.
|
|
|
|
-
|
|
|
|
-def : Pat<(SPcmpicc i64:$a, (i64 simm13:$b)), (CMPri $a, (as_i32imm $b))>;
|
|
|
|
-
|
|
|
|
-def : Pat<(ctpop i64:$src), (POPCrr $src)>;
|
|
|
|
-
|
|
|
|
// "LEA" form of add
|
|
|
|
-let isCodeGenOnly = 1 in
|
|
|
|
def LEAX_ADDri : F3_2<2, 0b000000,
|
|
|
|
(outs I64Regs:$dst), (ins MEMri:$addr),
|
|
|
|
"add ${addr:arith}, $dst",
|
|
|
|
[(set iPTR:$dst, ADDRri:$addr)]>;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+def : Pat<(SPcmpicc i64:$a, i64:$b), (CMPrr $a, $b)>;
|
|
|
|
+def : Pat<(SPcmpicc i64:$a, (i64 simm13:$b)), (CMPri $a, (as_i32imm $b))>;
|
|
|
|
+def : Pat<(ctpop i64:$src), (POPCrr $src)>;
|
|
|
|
+
|
|
|
|
} // Predicates = [Is64Bit]
|
|
|
|
|
|
|
|
|
|
|
|
@@ -245,7 +243,7 @@ def LDXri : F3_2<3, 0b001011,
|
|
|
|
(outs I64Regs:$dst), (ins MEMri:$addr),
|
|
|
|
"ldx [$addr], $dst",
|
|
|
|
[(set i64:$dst, (load ADDRri:$addr))]>;
|
|
|
|
-let mayLoad = 1 in
|
|
|
|
+let mayLoad = 1, isCodeGenOnly = 1, isAsmParserOnly = 1 in
|
|
|
|
def TLS_LDXrr : F3_1<3, 0b001011,
|
|
|
|
(outs IntRegs:$dst), (ins MEMrr:$addr, TLSSym:$sym),
|
|
|
|
"ldx [$addr], $dst, $sym",
|
|
|
|
@@ -278,11 +276,11 @@ def : Pat<(i64 (extloadi32 ADDRrr:$addr)), (LDrr
|
|
|
|
def : Pat<(i64 (extloadi32 ADDRri:$addr)), (LDri ADDRri:$addr)>;
|
|
|
|
|
|
|
|
// Sign-extending load of i32 into i64 is a new SPARC v9 instruction.
|
|
|
|
-def LDSWrr : F3_1<3, 0b001011,
|
|
|
|
+def LDSWrr : F3_1<3, 0b001000,
|
|
|
|
(outs I64Regs:$dst), (ins MEMrr:$addr),
|
|
|
|
"ldsw [$addr], $dst",
|
|
|
|
[(set i64:$dst, (sextloadi32 ADDRrr:$addr))]>;
|
|
|
|
-def LDSWri : F3_2<3, 0b001011,
|
|
|
|
+def LDSWri : F3_2<3, 0b001000,
|
|
|
|
(outs I64Regs:$dst), (ins MEMri:$addr),
|
|
|
|
"ldsw [$addr], $dst",
|
|
|
|
[(set i64:$dst, (sextloadi32 ADDRri:$addr))]>;
|
|
|
|
@@ -289,13 +287,13 @@ def : Pat<(i64 (extloadi32 ADDRri:$addr)), (LDri
|
|
|
|
|
|
|
|
// 64-bit stores.
|
|
|
|
def STXrr : F3_1<3, 0b001110,
|
|
|
|
- (outs), (ins MEMrr:$addr, I64Regs:$src),
|
|
|
|
- "stx $src, [$addr]",
|
|
|
|
- [(store i64:$src, ADDRrr:$addr)]>;
|
|
|
|
+ (outs), (ins MEMrr:$addr, I64Regs:$rd),
|
|
|
|
+ "stx $rd, [$addr]",
|
|
|
|
+ [(store i64:$rd, ADDRrr:$addr)]>;
|
|
|
|
def STXri : F3_2<3, 0b001110,
|
|
|
|
- (outs), (ins MEMri:$addr, I64Regs:$src),
|
|
|
|
- "stx $src, [$addr]",
|
|
|
|
- [(store i64:$src, ADDRri:$addr)]>;
|
|
|
|
+ (outs), (ins MEMri:$addr, I64Regs:$rd),
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+ "stx $rd, [$addr]",
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+ [(store i64:$rd, ADDRri:$addr)]>;
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// Truncating stores from i64 are identical to the i32 stores.
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def : Pat<(truncstorei8 i64:$src, ADDRrr:$addr), (STBrr ADDRrr:$addr, $src)>;
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@@ -315,6 +313,15 @@ def : Pat<(store (i64 0), ADDRri:$dst), (STXri ADD
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//===----------------------------------------------------------------------===//
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// 64-bit Conditionals.
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//===----------------------------------------------------------------------===//
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+
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+// Conditional branch class on %xcc:
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+class XBranchSP<dag ins, string asmstr, list<dag> pattern>
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+ : F2_3<0b001, 0b10, (outs), ins, asmstr, pattern> {
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+ let isBranch = 1;
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+ let isTerminator = 1;
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+ let hasDelaySlot = 1;
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+}
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+
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//
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// Flag-setting instructions like subcc and addcc set both icc and xcc flags.
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// The icc flags correspond to the 32-bit result, and the xcc are for the
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@@ -326,7 +333,7 @@ def : Pat<(store (i64 0), ADDRri:$dst), (STXri ADD
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let Predicates = [Is64Bit] in {
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let Uses = [ICC] in
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-def BPXCC : BranchSP<(ins brtarget:$imm22, CCOp:$cond),
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+def BPXCC : XBranchSP<(ins brtarget:$imm22, CCOp:$cond),
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"b$cond %xcc, $imm22",
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[(SPbrxcc bb:$imm22, imm:$cond)]>;
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@@ -409,7 +416,7 @@ def : Pat<(SPselectfcc (i64 simm11:$t), i64:$f, im
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// 64 bit SETHI
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-let Predicates = [Is64Bit] in {
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|
+let Predicates = [Is64Bit], isCodeGenOnly = 1 in {
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|
def SETHIXi : F2_1<0b100,
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|
|
|
(outs IntRegs:$rd), (ins i64imm:$imm22),
|
|
|
|
"sethi $imm22, $rd",
|
|
|
|
Index: test/MC/Disassembler/Sparc/lit.local.cfg
|
|
|
|
===================================================================
|
|
|
|
--- test/MC/Disassembler/Sparc/lit.local.cfg
|
|
|
|
+++ test/MC/Disassembler/Sparc/lit.local.cfg
|
|
|
|
@@ -0,0 +1,4 @@
|
|
|
|
+targets = set(config.root.targets_to_build.split())
|
|
|
|
+if not 'Sparc' in targets:
|
|
|
|
+ config.unsupported = True
|
|
|
|
+
|
|
|
|
Index: test/MC/Disassembler/Sparc/sparc.txt
|
|
|
|
===================================================================
|
|
|
|
--- test/MC/Disassembler/Sparc/sparc.txt
|
|
|
|
+++ test/MC/Disassembler/Sparc/sparc.txt
|
|
|
|
@@ -0,0 +1,82 @@
|
|
|
|
+# RUN: llvm-mc --disassemble %s -triple=sparc-unknown-linux | FileCheck %s
|
|
|
|
+
|
|
|
|
+# CHECK: add %g0, %g0, %g0
|
|
|
|
+0x80 0x00 0x00 0x00
|
|
|
|
+
|
|
|
|
+# CHECK: add %g1, %g2, %g3
|
|
|
|
+0x86 0x00 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: add %o0, %o1, %l0
|
|
|
|
+0xa0 0x02 0x00 0x09
|
|
|
|
+
|
|
|
|
+# CHECK: add %o0, 10, %l0
|
|
|
|
+0xa0 0x02 0x20 0x0a
|
|
|
|
+
|
|
|
|
+# CHECK: addcc %g1, %g2, %g3
|
|
|
|
+0x86 0x80 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: addxcc %g1, %g2, %g3
|
|
|
|
+0x86 0xc0 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: udiv %g1, %g2, %g3
|
|
|
|
+0x86 0x70 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: sdiv %g1, %g2, %g3
|
|
|
|
+0x86 0x78 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: and %g1, %g2, %g3
|
|
|
|
+0x86 0x08 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: andn %g1, %g2, %g3
|
|
|
|
+0x86 0x28 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: or %g1, %g2, %g3
|
|
|
|
+0x86 0x10 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: orn %g1, %g2, %g3
|
|
|
|
+0x86 0x30 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: xor %g1, %g2, %g3
|
|
|
|
+0x86 0x18 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: xnor %g1, %g2, %g3
|
|
|
|
+0x86 0x38 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: umul %g1, %g2, %g3
|
|
|
|
+0x86 0x50 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: smul %g1, %g2, %g3
|
|
|
|
+0x86 0x58 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: nop
|
|
|
|
+0x01 0x00 0x00 0x00
|
|
|
|
+
|
|
|
|
+# CHECK: sethi 10, %l0
|
|
|
|
+0x21 0x00 0x00 0x0a
|
|
|
|
+
|
|
|
|
+# CHECK: sll %g1, %g2, %g3
|
|
|
|
+0x87 0x28 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: sll %g1, 31, %g3
|
|
|
|
+0x87 0x28 0x60 0x1f
|
|
|
|
+
|
|
|
|
+# CHECK: srl %g1, %g2, %g3
|
|
|
|
+0x87 0x30 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: srl %g1, 31, %g3
|
|
|
|
+0x87 0x30 0x60 0x1f
|
|
|
|
+
|
|
|
|
+# CHECK: sra %g1, %g2, %g3
|
|
|
|
+0x87 0x38 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: sra %g1, 31, %g3
|
|
|
|
+0x87 0x38 0x60 0x1f
|
|
|
|
+
|
|
|
|
+# CHECK: sub %g1, %g2, %g3
|
|
|
|
+0x86 0x20 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: subcc %g1, %g2, %g3
|
|
|
|
+0x86 0xa0 0x40 0x02
|
|
|
|
+
|
|
|
|
+# CHECK: subxcc %g1, %g2, %g3
|
|
|
|
+0x86 0xe0 0x40 0x02
|