diff options
Diffstat (limited to 'chapter20/src/main/java/com/seaofnodes')
12 files changed, 180 insertions, 7 deletions
diff --git a/chapter20/src/main/java/com/seaofnodes/simple/codegen/RegAlloc.java b/chapter20/src/main/java/com/seaofnodes/simple/codegen/RegAlloc.java index 9e607349..badec740 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/codegen/RegAlloc.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/codegen/RegAlloc.java @@ -123,7 +123,7 @@ public class RegAlloc { } - public int regnum( Node n ) { + public short regnum( Node n ) { LRG lrg = lrg(n); return lrg==null ? -1 : lrg._reg; } diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/arm/NotARM.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/arm/NotARM.java new file mode 100644 index 00000000..28ebd60d --- /dev/null +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/arm/NotARM.java @@ -0,0 +1,26 @@ +package com.seaofnodes.simple.node.cpus.arm; + +import com.seaofnodes.simple.*; +import com.seaofnodes.simple.codegen.CodeGen; +import com.seaofnodes.simple.codegen.LRG; +import com.seaofnodes.simple.codegen.RegMask; +import com.seaofnodes.simple.node.*; +import com.seaofnodes.simple.type.TypeInteger; +import java.io.ByteArrayOutputStream; + +import com.seaofnodes.simple.node.MachConcreteNode; + +public class NotARM extends MachConcreteNode implements MachNode{ + NotARM(NotNode not) {super(not);} + @Override public RegMask regmap(int i) { return arm.RMASK; } + @Override public RegMask outregmap() { return arm.RMASK; } + + @Override public int twoAddress( ) { return 0; } + + @Override public int encoding(ByteArrayOutputStream bytes) { + throw Utils.TODO(); + } + + @Override public void asm(CodeGen code, SB sb) { sb.p(code.reg(this)); } + @Override public String op() { return "not"; } +} diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/arm/SubIARM.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/arm/SubIARM.java new file mode 100644 index 00000000..d19210cb --- /dev/null +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/arm/SubIARM.java @@ -0,0 +1,42 @@ +package com.seaofnodes.simple.node.cpus.arm; + +import com.seaofnodes.simple.node.MachConcreteNode; + +import com.seaofnodes.simple.*; +import com.seaofnodes.simple.codegen.CodeGen; +import com.seaofnodes.simple.codegen.LRG; +import com.seaofnodes.simple.codegen.RegMask; +import com.seaofnodes.simple.node.*; +import com.seaofnodes.simple.type.TypeInteger; +import java.io.ByteArrayOutputStream; + +public class SubIARM extends MachConcreteNode implements MachNode { + final TypeInteger _ti; + SubIARM(Node sub, TypeInteger ti) { + super(sub); + _inputs.pop(); + _ti = ti; + } + + // Register mask allowed on input i. + @Override public RegMask regmap(int i) { return arm.RMASK; } + + // Register mask allowed as a result. 0 for no register. + @Override public RegMask outregmap() { return arm.RMASK; } + + // Encoding is appended into the byte array; size is returned + @Override public int encoding(ByteArrayOutputStream bytes) { + throw Utils.TODO(); + } + + // General form: "subi rd = rs1 - imm" + @Override public void asm(CodeGen code, SB sb) { + sb.p(code.reg(this)).p(" = ").p(code.reg(in(1))).p(" - #"); + _ti.print(sb); + } + + @Override public String op() { + return (_ti.value() == -1 ? "dec" : "subi"); + } + +} diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/riscv/NotRISC.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/riscv/NotRISC.java new file mode 100644 index 00000000..6d30cd1c --- /dev/null +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/riscv/NotRISC.java @@ -0,0 +1,25 @@ +package com.seaofnodes.simple.node.cpus.riscv; + +import com.seaofnodes.simple.*; +import com.seaofnodes.simple.codegen.CodeGen; +import com.seaofnodes.simple.codegen.LRG; +import com.seaofnodes.simple.codegen.RegMask; +import com.seaofnodes.simple.node.*; +import com.seaofnodes.simple.node.MachConcreteNode; +import com.seaofnodes.simple.type.TypeInteger; +import java.io.ByteArrayOutputStream; + +public class NotRISC extends MachConcreteNode implements MachNode { + NotRISC(NotNode not) {super(not);} + @Override public RegMask regmap(int i) { return riscv.RMASK; } + @Override public RegMask outregmap() { return riscv.RMASK; } + + @Override public int twoAddress( ) { return 0; } + + @Override public int encoding(ByteArrayOutputStream bytes) { + throw Utils.TODO(); + } + + @Override public void asm(CodeGen code, SB sb) { sb.p(code.reg(this)); } + @Override public String op() { return "not"; } +} diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallRX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallRX86.java index ec6f9993..ac35d17b 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallRX86.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallRX86.java @@ -21,7 +21,12 @@ public class CallRX86 extends CallNode implements MachNode { // Encoding is appended into the byte array; size is returned @Override public int encoding(ByteArrayOutputStream bytes) { - throw Utils.TODO(); + bytes.write(0xe8); + int beforeSize = bytes.size(); + // address + //TODO: relocs + bytes.write(0x00); + return bytes.size() - beforeSize; } @Override public void asm(CodeGen code, SB sb) { diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallX86.java index 959ec81e..e2f68c1f 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallX86.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/CallX86.java @@ -32,7 +32,13 @@ public class CallX86 extends CallNode implements MachNode { // Encoding is appended into the byte array; size is returned @Override public int encoding(ByteArrayOutputStream bytes) { - throw Utils.TODO(); + // linker will fix this up + bytes.write(0xe8); + int beforeSize = bytes.size(); + // TODO: relocs + // address + bytes.write(0x00); + return bytes.size() - beforeSize; } @Override public void asm(CodeGen code, SB sb) { diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/FunX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/FunX86.java index 5239670b..7346ae05 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/FunX86.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/FunX86.java @@ -17,6 +17,6 @@ public class FunX86 extends FunNode implements MachNode { // Encoding is appended into the byte array; size is returned @Override public int encoding(ByteArrayOutputStream bytes) { - throw Utils.TODO(); + return 0; } } diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java new file mode 100644 index 00000000..a4b82de8 --- /dev/null +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java @@ -0,0 +1,26 @@ +package com.seaofnodes.simple.node.cpus.x86_64_v2; + +import com.seaofnodes.simple.SB; +import com.seaofnodes.simple.Utils; +import com.seaofnodes.simple.codegen.CodeGen; +import com.seaofnodes.simple.codegen.LRG; +import com.seaofnodes.simple.codegen.RegMask; +import com.seaofnodes.simple.node.*; +import java.io.ByteArrayOutputStream; + +public class NotX86 extends MachConcreteNode implements MachNode { + NotX86(NotNode not) {super(not);} + @Override public RegMask regmap(int i) { return x86_64_v2.RMASK; } + @Override public RegMask outregmap() { return x86_64_v2.RMASK; } + + @Override public int twoAddress( ) { return 0; } + + // NotNode(BoolNode) = Inverted BoolNode(1) + // NotNode(NotNode(BoolNode)) = BoolNode(2) + // anything else to test & setz(3) + @Override public int encoding(ByteArrayOutputStream bytes) { + throw Utils.TODO(); + } + @Override public void asm(CodeGen code, SB sb) { sb.p(code.reg(this)); } + @Override public String op() { return "not"; } +} diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ParmX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ParmX86.java index 4d47f76d..69ebb74e 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ParmX86.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ParmX86.java @@ -21,5 +21,7 @@ public class ParmX86 extends ParmNode implements MachNode { @Override public RegMask outregmap() { return _rmask; } // Encoding is appended into the byte array. Returns size - @Override public int encoding(ByteArrayOutputStream bytes) { return 0; } + @Override public int encoding(ByteArrayOutputStream bytes) { + return 0; + } } diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ProjX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ProjX86.java index 40d8b6c2..7ac014e6 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ProjX86.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ProjX86.java @@ -18,6 +18,6 @@ public class ProjX86 extends ProjNode implements MachNode { // Encoding is appended into the byte array; size is returned @Override public int encoding(ByteArrayOutputStream bytes) { - throw Utils.TODO(); + return 0; } } diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/RetX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/RetX86.java index cdb20fd4..433f64cc 100644 --- a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/RetX86.java +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/RetX86.java @@ -28,7 +28,12 @@ public class RetX86 extends ReturnNode implements MachNode { // Encoding is appended into the byte array; size is returned @Override public int encoding(ByteArrayOutputStream bytes) { - throw Utils.TODO(); + // Without imm form + // Near return + int beforeSize = bytes.size(); + bytes.write(0xC3); // opcode + + return bytes.size() - beforeSize; } @Override public void asm(CodeGen code, SB sb) { diff --git a/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/XorX86.java b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/XorX86.java new file mode 100644 index 00000000..3322d951 --- /dev/null +++ b/chapter20/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/XorX86.java @@ -0,0 +1,36 @@ +package com.seaofnodes.simple.node.cpus.x86_64_v2; + +import com.seaofnodes.simple.SB; +import com.seaofnodes.simple.Utils; +import com.seaofnodes.simple.codegen.CodeGen; +import com.seaofnodes.simple.codegen.LRG; +import com.seaofnodes.simple.codegen.RegMask; +import com.seaofnodes.simple.node.MachConcreteNode; +import com.seaofnodes.simple.node.MachNode; +import com.seaofnodes.simple.node.Node; +import com.seaofnodes.simple.type.TypeInteger; +import java.io.ByteArrayOutputStream; + +public class XorX86 extends MachConcreteNode implements MachNode{ + XorX86(Node xor) {super(xor);} + + @Override public RegMask regmap(int i) { return x86_64_v2.WMASK; } + @Override public RegMask outregmap() { return x86_64_v2.WMASK; } + + // Output is same register as input#1 + @Override public int twoAddress() { return 1; } + + // Encoding is appended into the byte array; size is returned + @Override public int encoding(ByteArrayOutputStream bytes) { + throw Utils.TODO(); + } + + // General form + // General form: "xor ^ reg + @Override public void asm(CodeGen code, SB sb) { + sb.p(code.reg(this)).p(" = ").p(code.reg(in(1))).p(" ^ ").p(code.reg(in(2))); + } + + @Override public String op() { return "xor"; } + +} |