diff options
Diffstat (limited to 'src/java/com/jogamp/common/os/MachineDescription.java')
| -rw-r--r-- | src/java/com/jogamp/common/os/MachineDescription.java | 162 |
1 files changed, 152 insertions, 10 deletions
diff --git a/src/java/com/jogamp/common/os/MachineDescription.java b/src/java/com/jogamp/common/os/MachineDescription.java index 99383b4..7534917 100644 --- a/src/java/com/jogamp/common/os/MachineDescription.java +++ b/src/java/com/jogamp/common/os/MachineDescription.java @@ -40,12 +40,81 @@ package com.jogamp.common.os; -import com.jogamp.common.util.VersionUtil; +import java.nio.ByteBuffer; +import java.nio.IntBuffer; +import java.nio.ShortBuffer; + +import com.jogamp.common.nio.Buffers; /** * For alignment and size see {@link com.jogamp.gluegen} */ public class MachineDescription { + /* arch os int, long, float, doubl, ldoubl, ptr, page */ + final static int[] size_armeabi = { 4, 4, 4, 8, 8, 4, 4096 }; + final static int[] size_x86_32_unix = { 4, 4, 4, 8, 12, 4, 4096 }; + final static int[] size_x86_32_windows = { 4, 4, 4, 8, 12, 4, 4096 }; + final static int[] size_x86_64_unix = { 4, 8, 4, 8, 16, 8, 4096 }; + final static int[] size_x86_64_windows = { 4, 4, 4, 8, 16, 8, 4096 }; + + /* arch os i8, i16, i32, i64, int, long, float, doubl, ldoubl, ptr */ + final static int[] align_armeabi = { 1, 2, 4, 8, 4, 4, 4, 8, 8, 4 }; + final static int[] align_x86_32_unix = { 1, 2, 4, 4, 4, 4, 4, 4, 4, 4 }; + final static int[] align_x86_32_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 4, 4 }; + final static int[] align_x86_64_unix = { 1, 2, 4, 8, 4, 8, 4, 8, 16, 8 }; + final static int[] align_x86_64_windows = { 1, 2, 4, 8, 4, 4, 4, 8, 16, 8 }; + + public enum Config { + ARM_EABI(size_armeabi, align_armeabi), + X86_32_UNIX(size_x86_32_unix, align_x86_32_unix), + X86_64_UNIX(size_x86_64_unix, align_x86_64_unix), + X86_32_WINDOWS(size_x86_32_windows, align_x86_32_windows), + X86_64_WINDOWS(size_x86_64_windows, align_x86_64_windows); + + public final int intSizeInBytes; + public final int longSizeInBytes; + public final int floatSizeInBytes; + public final int doubleSizeInBytes; + public final int ldoubleSizeInBytes; + public final int pointerSizeInBytes; + public final int pageSizeInBytes; + + public final int int8AlignmentInBytes; + public final int int16AlignmentInBytes; + public final int int32AlignmentInBytes; + public final int int64AlignmentInBytes; + public final int intAlignmentInBytes; + public final int longAlignmentInBytes; + public final int floatAlignmentInBytes; + public final int doubleAlignmentInBytes; + public final int ldoubleAlignmentInBytes; + public final int pointerAlignmentInBytes; + + Config(int[] sizes, int[] alignments) { + int i=0; + intSizeInBytes = sizes[i++]; + longSizeInBytes = sizes[i++];; + floatSizeInBytes = sizes[i++];; + doubleSizeInBytes = sizes[i++];; + ldoubleSizeInBytes = sizes[i++];; + pointerSizeInBytes = sizes[i++];; + pageSizeInBytes = sizes[i++];; + + i=0; + int8AlignmentInBytes = alignments[i++]; + int16AlignmentInBytes = alignments[i++]; + int32AlignmentInBytes = alignments[i++]; + int64AlignmentInBytes = alignments[i++]; + intAlignmentInBytes = alignments[i++]; + longAlignmentInBytes = alignments[i++]; + floatAlignmentInBytes = alignments[i++]; + doubleAlignmentInBytes = alignments[i++]; + ldoubleAlignmentInBytes = alignments[i++]; + pointerAlignmentInBytes = alignments[i++]; + } + } + + final private boolean runtimeValidated; final private boolean littleEndian; @@ -59,6 +128,7 @@ public class MachineDescription { final private int longSizeInBytes; final private int floatSizeInBytes; final private int doubleSizeInBytes; + final private int ldoubleSizeInBytes; final private int pointerSizeInBytes; final private int pageSizeInBytes; final private boolean is32Bit; @@ -71,16 +141,83 @@ public class MachineDescription { final private int longAlignmentInBytes; final private int floatAlignmentInBytes; final private int doubleAlignmentInBytes; + final private int ldoubleAlignmentInBytes; final private int pointerAlignmentInBytes; + public static boolean queryIsLittleEndian() { + ByteBuffer tst_b = Buffers.newDirectByteBuffer(Buffers.SIZEOF_INT); // 32bit in native order + IntBuffer tst_i = tst_b.asIntBuffer(); + ShortBuffer tst_s = tst_b.asShortBuffer(); + tst_i.put(0, 0x0A0B0C0D); + return 0x0C0D == tst_s.get(0); + } + + public static MachineDescription createStaticArmEABI() { + return new MachineDescription(false, queryIsLittleEndian(), Config.ARM_EABI); + } + public static MachineDescription createStaticUnix32() { + return new MachineDescription(false, queryIsLittleEndian(), Config.X86_32_UNIX); + } + public static MachineDescription createStaticUnix64() { + return new MachineDescription(false, queryIsLittleEndian(), Config.X86_64_UNIX); + } + public static MachineDescription createStaticWindows32() { + return new MachineDescription(false, queryIsLittleEndian(), Config.X86_32_WINDOWS); + } + public static MachineDescription createStaticWindows64() { + return new MachineDescription(false, queryIsLittleEndian(), Config.X86_64_WINDOWS); + } + public static MachineDescription createStatic(boolean is32BitByCPUArch) { + if(is32BitByCPUArch) { + if(Platform.getCPUFamily() == Platform.CPUFamily.ARM) { + return createStaticArmEABI(); + } else if(Platform.getOSType() == Platform.OSType.WINDOWS) { + return createStaticWindows32(); + } + return createStaticUnix32(); + } else { + if(Platform.getOSType() == Platform.OSType.WINDOWS) { + return createStaticWindows64(); + } + return createStaticUnix64(); + } + } + + public MachineDescription(boolean runtimeValidated, + boolean littleEndian, + Config config) { + this.runtimeValidated = runtimeValidated; + this.littleEndian = littleEndian; + + this.intSizeInBytes = config.intSizeInBytes; + this.longSizeInBytes = config.longSizeInBytes; + this.floatSizeInBytes = config.floatSizeInBytes; + this.doubleSizeInBytes = config.doubleSizeInBytes; + this.ldoubleSizeInBytes = config.ldoubleSizeInBytes; + this.pointerSizeInBytes = config.pointerSizeInBytes; + this.pageSizeInBytes = config.pageSizeInBytes; + this.is32Bit = 4 == config.pointerSizeInBytes; + + this.int8AlignmentInBytes = config.int8AlignmentInBytes; + this.int16AlignmentInBytes = config.int16AlignmentInBytes; + this.int32AlignmentInBytes = config.int32AlignmentInBytes; + this.int64AlignmentInBytes = config.int64AlignmentInBytes; + this.intAlignmentInBytes = config.intAlignmentInBytes; + this.longAlignmentInBytes = config.longAlignmentInBytes; + this.floatAlignmentInBytes = config.floatAlignmentInBytes; + this.doubleAlignmentInBytes = config.doubleAlignmentInBytes; + this.ldoubleAlignmentInBytes = config.ldoubleAlignmentInBytes; + this.pointerAlignmentInBytes = config.pointerAlignmentInBytes; + } + public MachineDescription(boolean runtimeValidated, - boolean littleEndian, int intSizeInBytes, int longSizeInBytes, int floatSizeInBytes, int doubleSizeInBytes, + int ldoubleSizeInBytes, int pointerSizeInBytes, int pageSizeInBytes, @@ -92,27 +229,29 @@ public class MachineDescription { int longAlignmentInBytes, int floatAlignmentInBytes, int doubleAlignmentInBytes, + int ldoubleAlignmentInBytes, int pointerAlignmentInBytes) { - this.runtimeValidated = runtimeValidated; - + this.runtimeValidated = runtimeValidated; this.littleEndian = littleEndian; this.intSizeInBytes = intSizeInBytes; this.longSizeInBytes = longSizeInBytes; this.floatSizeInBytes = floatSizeInBytes; this.doubleSizeInBytes = doubleSizeInBytes; + this.ldoubleSizeInBytes = ldoubleSizeInBytes; this.pointerSizeInBytes = pointerSizeInBytes; this.pageSizeInBytes = pageSizeInBytes; - this.is32Bit = 4 == pointerSizeInBytes; + this.is32Bit = 4 == pointerSizeInBytes; - this.int8AlignmentInBytes = int8AlignmentInBytes; - this.int16AlignmentInBytes = int16AlignmentInBytes; - this.int32AlignmentInBytes = int32AlignmentInBytes; - this.int64AlignmentInBytes = int64AlignmentInBytes; + this.int8AlignmentInBytes = int8AlignmentInBytes; + this.int16AlignmentInBytes = int16AlignmentInBytes; + this.int32AlignmentInBytes = int32AlignmentInBytes; + this.int64AlignmentInBytes = int64AlignmentInBytes; this.intAlignmentInBytes = intAlignmentInBytes; this.longAlignmentInBytes = longAlignmentInBytes; this.floatAlignmentInBytes = floatAlignmentInBytes; this.doubleAlignmentInBytes = doubleAlignmentInBytes; + this.ldoubleAlignmentInBytes = ldoubleAlignmentInBytes; this.pointerAlignmentInBytes = pointerAlignmentInBytes; } @@ -152,6 +291,7 @@ public class MachineDescription { public final int int64SizeInBytes() { return int64SizeInBytes; } public final int floatSizeInBytes() { return floatSizeInBytes; } public final int doubleSizeInBytes() { return doubleSizeInBytes; } + public final int ldoubleSizeInBytes() { return ldoubleSizeInBytes; } public final int pointerSizeInBytes() { return pointerSizeInBytes; } public final int pageSizeInBytes() { return pageSizeInBytes; } @@ -163,6 +303,7 @@ public class MachineDescription { public final int int64AlignmentInBytes() { return int64AlignmentInBytes; } public final int floatAlignmentInBytes() { return floatAlignmentInBytes; } public final int doubleAlignmentInBytes() { return doubleAlignmentInBytes; } + public final int ldoubleAlignmentInBytes() { return ldoubleAlignmentInBytes; } public final int pointerAlignmentInBytes() { return pointerAlignmentInBytes; } /** @@ -191,7 +332,8 @@ public class MachineDescription { sb.append(" int32 ").append(int32SizeInBytes) .append(" / ").append(int32AlignmentInBytes); sb.append(", int64 ").append(int64SizeInBytes) .append(" / ").append(int64AlignmentInBytes).append(Platform.getNewline()); sb.append(" float ").append(floatSizeInBytes) .append(" / ").append(floatAlignmentInBytes); - sb.append(", double ").append(doubleSizeInBytes) .append(" / ").append(doubleAlignmentInBytes).append(Platform.getNewline()); + sb.append(", double ").append(doubleSizeInBytes) .append(" / ").append(doubleAlignmentInBytes); + sb.append(", ldouble ").append(ldoubleSizeInBytes).append(" / ").append(ldoubleAlignmentInBytes).append(Platform.getNewline()); sb.append(" pointer ").append(pointerSizeInBytes).append(" / ").append(pointerAlignmentInBytes); sb.append(", page ").append(pageSizeInBytes); return sb; |