diff options
Diffstat (limited to 'src/java/jogamp/common/os/elf')
| -rw-r--r-- | src/java/jogamp/common/os/elf/ElfHeader.java | 148 | ||||
| -rw-r--r-- | src/java/jogamp/common/os/elf/IOUtils.java | 54 | ||||
| -rw-r--r-- | src/java/jogamp/common/os/elf/Section.java | 6 | ||||
| -rw-r--r-- | src/java/jogamp/common/os/elf/SectionArmAttributes.java | 100 | ||||
| -rw-r--r-- | src/java/jogamp/common/os/elf/SectionHeader.java | 32 |
5 files changed, 170 insertions, 170 deletions
diff --git a/src/java/jogamp/common/os/elf/ElfHeader.java b/src/java/jogamp/common/os/elf/ElfHeader.java index 88562cf..d76dbab 100644 --- a/src/java/jogamp/common/os/elf/ElfHeader.java +++ b/src/java/jogamp/common/os/elf/ElfHeader.java @@ -53,7 +53,7 @@ import static jogamp.common.os.elf.IOUtils.toHexString; public class ElfHeader { /** Size of e_ident array - {@value} */ public static int EI_NIDENT = 16; - + /** ident byte #0 - {@value} */ public static final byte ELFMAG0 = 0x7f; /** ident byte #1 - {@value} */ @@ -62,13 +62,13 @@ public class ElfHeader { public static final byte ELFMAG2 = 'L'; /** ident byte #3 - {@value} */ public static final byte ELFMAG3 = 'F'; - + /** ident byte #4 */ public static final int EI_CLASS = 4; public static final byte ELFCLASSNONE = 0; public static final byte ELFCLASS32 = 1; public static final byte ELFCLASS64 = 2; - + /** ident byte #5 */ public static final int EI_DATA = 5; public static final byte ELFDATANONE = 0; @@ -79,7 +79,7 @@ public class ElfHeader { public static final int EI_VERSION = 6; public static final byte EV_NONE = 0; public static final byte EV_CURRENT = 1; - + /** ident byte #7 */ public static final int EI_OSABI = 7; /** Unix System V ABI - {@value} */ @@ -114,29 +114,29 @@ public class ElfHeader { /** Amiga Research OS ABI - {@value} **/ public static final byte ELFOSABI_AROS = 15; /** The FenixOS highly scalable multi-core OS 64-255 Architecture-specific value range - {@value} */ - public static final byte ELFOSABI_FENIXOS = 16; - + public static final byte ELFOSABI_FENIXOS = 16; + /** ident byte #8 * <p> - * This byte identifies the version of the ABI to which the object is targeted. - * This field is used to distinguish among incompatible versions of an ABI. - * The interpretation of this version number is dependent on the ABI identified by the EI_OSABI field. + * This byte identifies the version of the ABI to which the object is targeted. + * This field is used to distinguish among incompatible versions of an ABI. + * The interpretation of this version number is dependent on the ABI identified by the EI_OSABI field. * Applications conforming to this specification use the value 0. - * </p> + * </p> */ public static final int EI_ABIVERSION = 8; - + /** * ident byte #9 .. ? * <p> - * Start of padding. - * These bytes are reserved and set to zero. - * Programs which read them should ignore them. + * Start of padding. + * These bytes are reserved and set to zero. + * Programs which read them should ignore them. * The value for EI_PAD will change in the future if currently unused bytes are given meanings. * </p> */ public static final int EI_PAD = 9; - + /** * This masks an 8-bit version number, the version of the ABI to which this * ELF file conforms. This ABI is version 5. A value of 0 denotes unknown conformance. @@ -144,27 +144,27 @@ public class ElfHeader { */ public static final int EF_ARM_ABIMASK = 0xFF000000; public static final int EF_ARM_ABISHIFT = 24; - + /** * ARM ABI version 5. * {@value} */ public static final int EF_ARM_ABI5 = 0x05000000; - + /** * The ELF file contains BE-8 code, suitable for execution on an ARM * Architecture v6 processor. This flag must only be set on an executable file. * {@value} */ public static final int EF_ARM_BE8 = 0x00800000; - + /** * Legacy code (ABI version 4 and earlier) generated by gcc-arm-xxx might * use these bits. * {@value} */ public static final int EF_ARM_GCCMASK = 0x00400FFF; - + /** * Set in executable file headers (e_type = ET_EXEC or ET_DYN) to note that * the executable file was built to conform to the hardware floating-point @@ -173,28 +173,28 @@ public class ElfHeader { * Compatible with legacy (pre version 5) gcc use as EF_ARM_VFP_FLOAT. * </p> * <p> - * Note: This is not used (anymore) - * </p> + * Note: This is not used (anymore) + * </p> * {@value} */ public static final int EF_ARM_ABI_FLOAT_HARD = 0x00000400; - + /** * Set in executable file headers (e_type = ET_EXEC or ET_DYN) to note * explicitly that the executable file was built to conform to the software * floating-point procedure-call standard (the base standard). If both - * {@link #EF_ARM_ABI_FLOAT_HARD} and {@link #EF_ARM_ABI_FLOAT_SOFT} are clear, + * {@link #EF_ARM_ABI_FLOAT_HARD} and {@link #EF_ARM_ABI_FLOAT_SOFT} are clear, * conformance to the base procedure-call standard is implied. * <p> * Compatible with legacy (pre version 5) gcc use as EF_ARM_SOFT_FLOAT. * </p> * <p> - * Note: This is not used (anymore) - * </p> + * Note: This is not used (anymore) + * </p> * {@value} */ public static final int EF_ARM_ABI_FLOAT_SOFT = 0x00000200; - + /** An unknown type - {@value} */ public static final short ET_NONE = 0; /** A relocatable file - {@value} */ @@ -205,7 +205,7 @@ public class ElfHeader { public static final short ET_DYN = 3; /** A core file - {@value} */ public static final short ET_CORE = 4; - + public static final short EM_NONE = 0; public static final short EM_M32 = 1; public static final short EM_SPARC = 2; @@ -357,34 +357,34 @@ public class ElfHeader { public static final short EM_TILEPRO = 188; public static final short EM_MICROBLAZE = 189; public static final short EM_CUDA = 190; - + public static final boolean isIdentityValid(byte[] ident) { return ELFMAG0 == ident[0] && ELFMAG1 == ident[1] && ELFMAG2 == ident[2] && ELFMAG3 == ident[3] ; } - + /** Public access to the raw elf header */ public final Ehdr d; - + /** Public access to the {@link SectionHeader} */ - public final SectionHeader[] sht; - + public final SectionHeader[] sht; + private final String string; - + /** * Note: The input stream shall stay untouch to be able to read sections! - * + * * @param in input stream of a binary file at position zero * @return - * @throws IOException if reading from the given input stream fails or less then ELF Header size bytes + * @throws IOException if reading from the given input stream fails or less then ELF Header size bytes * @throws IllegalArgumentException if the given input stream does not represent an ELF Header */ public static ElfHeader read(RandomAccessFile in) throws IOException, IllegalArgumentException { final int eh_sz = Ehdr.size(); final byte[] buf = new byte[eh_sz]; - readBytes (in, buf, 0, eh_sz); + readBytes (in, buf, 0, eh_sz); final ElfHeader eh = new ElfHeader(ByteBuffer.wrap(buf, 0, buf.length), in); return eh; } @@ -392,7 +392,7 @@ public class ElfHeader { /** * @param buf ELF Header bytes * @throws IllegalArgumentException if the given buffer does not represent an ELF Header - * @throws IOException + * @throws IOException */ ElfHeader(java.nio.ByteBuffer buf, RandomAccessFile in) throws IllegalArgumentException, IOException { d = Ehdr.create(buf); @@ -404,11 +404,11 @@ public class ElfHeader { } public final short getSize() { return d.getE_ehsize(); } - - /** - * Returns the architecture class in bits, - * 32 for {@link #ELFCLASS32}, 64 for {@link #ELFCLASS64} - * and 0 for {@link #ELFCLASSNONE}. + + /** + * Returns the architecture class in bits, + * 32 for {@link #ELFCLASS32}, 64 for {@link #ELFCLASS64} + * and 0 for {@link #ELFCLASSNONE}. */ public final int getArchClassBits() { switch( d.getE_ident()[EI_CLASS] ) { @@ -417,48 +417,48 @@ public class ElfHeader { default: return 0; } } - - /** - * Returns the processor's data encoding, i.e. - * {@link #ELFDATA2LSB}, {@link #ELFDATA2MSB} or {@link #ELFDATANONE}; + + /** + * Returns the processor's data encoding, i.e. + * {@link #ELFDATA2LSB}, {@link #ELFDATA2MSB} or {@link #ELFDATANONE}; */ public final byte getDataEncodingMode() { return d.getE_ident()[EI_DATA]; } - + /** Returns the ELF file version, should be {@link #EV_CURRENT}. */ public final byte getVersion() { return d.getE_ident()[EI_VERSION]; } - + /** Returns the operating system and ABI for this file, 3 == Linux. Note: Often not used. */ public final byte getOSABI() { return d.getE_ident()[EI_OSABI]; } - + /** Returns the version of the {@link #getOSABI() OSABI} for this file. */ public final byte getOSABIVersion() { return d.getE_ident()[EI_ABIVERSION]; } - /** Returns the object file type, e.g. {@link #ET_EXEC}, .. */ + /** Returns the object file type, e.g. {@link #ET_EXEC}, .. */ public final short getType() { return d.getE_type(); } - /** Returns the required architecture for the file, e.g. {@link #EM_386}, .. */ + /** Returns the required architecture for the file, e.g. {@link #EM_386}, .. */ public final short getMachine() { - return d.getE_machine(); + return d.getE_machine(); } - - /** + + /** * Returns true if {@link #getMachine() machine} is a 32 or 64 bit ARM CPU * of type {@link #EM_ARM}. */ public final boolean isArm() { return getMachine() == EM_ARM; } - - /** + + /** * Returns true if {@link #getMachine() machine} is a 32 or 64 bit Intel CPU * of type {@link #EM_386}, {@link #EM_486} or {@link #EM_X86_64}. */ public final boolean isIntel() { @@ -467,30 +467,30 @@ public class ElfHeader { EM_486 == m || EM_X86_64 == m; } - + /** Returns the processor-specific flags associated with the file. */ public final int getFlags() { return d.getE_flags(); } - + /** Returns the ARM EABI version from {@link #getFlags() flags}, maybe 0 if not an ARM EABI. */ public byte getArmABI() { - return (byte) ( ( ( EF_ARM_ABIMASK & d.getE_flags() ) >> EF_ARM_ABISHIFT ) & 0xff ); + return (byte) ( ( ( EF_ARM_ABIMASK & d.getE_flags() ) >> EF_ARM_ABISHIFT ) & 0xff ); } - + /** Returns the ARM EABI legacy GCC {@link #getFlags() flags}, maybe 0 if not an ARM EABI or not having legacy GCC flags. */ public int getArmLegacyGCCFlags() { final int f = d.getE_flags(); - return 0 != ( EF_ARM_ABIMASK & f ) ? ( EF_ARM_GCCMASK & f ) : 0; + return 0 != ( EF_ARM_ABIMASK & f ) ? ( EF_ARM_GCCMASK & f ) : 0; } - - /** + + /** * Returns the ARM EABI float mode from {@link #getFlags() flags}, * i.e. 1 for {@link #EF_ARM_ABI_FLOAT_SOFT}, 2 for {@link #EF_ARM_ABI_FLOAT_HARD} * or 0 for none. * <p> - * Note: This is not used (anymore) - * </p> + * Note: This is not used (anymore) + * </p> */ public byte getArmFloatMode() { final int f = d.getE_flags(); @@ -515,7 +515,7 @@ public class ElfHeader { } return null; } - + /** Returns the 1st occurence of matching SectionHeader {@link SectionHeader#getName() name}, or null if not exists. */ public final SectionHeader getSectionHeader(String name) { for(int i=0; i<sht.length; i++) { @@ -526,11 +526,11 @@ public class ElfHeader { } return null; } - + public final String toString() { return string; } - + private final String toStringImpl() { final String machineS; if( isArm() ) { @@ -553,13 +553,13 @@ public class ElfHeader { armFlagsS=", arm[abi "+armABI+", lGCC "+getArmLegacyGCCFlags()+", float "+getArmFloatMode()+"]"; } else { armFlagsS=""; - } + } return "ElfHeader[vers "+getVersion()+", machine["+getMachine()+machineS+"], bits "+getArchClassBits()+", enc "+encS+ ", abi[os "+getOSABI()+", vers "+getOSABIVersion()+"], flags["+toHexString(getFlags())+armFlagsS+"], type "+getType()+", sh-num "+sht.length+"]"; } - + final SectionHeader[] readSectionHeaderTable(RandomAccessFile in) throws IOException, IllegalArgumentException { - // positioning + // positioning { final long off = d.getE_shoff(); // absolute offset if( 0 == off ) { @@ -572,7 +572,7 @@ public class ElfHeader { final int size = d.getE_shentsize(); final int num; int i; - if( 0 == d.getE_shnum() ) { + if( 0 == d.getE_shnum() ) { // Read 1st table 1st and use it's sh_size final byte[] buf0 = new byte[size]; readBytes(in, buf0, 0, size); @@ -608,7 +608,7 @@ public class ElfHeader { sht[i].initName(strS, sht[i].d.getSh_name()); } } - + return sht; - } + } } diff --git a/src/java/jogamp/common/os/elf/IOUtils.java b/src/java/jogamp/common/os/elf/IOUtils.java index 8308463..8c7bfd1 100644 --- a/src/java/jogamp/common/os/elf/IOUtils.java +++ b/src/java/jogamp/common/os/elf/IOUtils.java @@ -34,15 +34,15 @@ import java.nio.ByteOrder; class IOUtils { static final long MAX_INT_VALUE = ( (long) Integer.MAX_VALUE & 0xffffffffL ) ; - + static String toHexString(int i) { return "0x"+Integer.toHexString(i); } - + static String toHexString(long i) { return "0x"+Long.toHexString(i); } - + static int shortToInt(short s) { return (int)s & 0x0000ffff; } - + static int long2Int(final long v) { if( MAX_INT_VALUE < v ) { throw new IllegalArgumentException("Read uint32 value "+toHexString(v)+" > int32-max "+toHexString(MAX_INT_VALUE)); @@ -53,46 +53,46 @@ class IOUtils { static void checkBounds(final byte[] sb, final int offset, final int remaining) { if( offset + remaining > sb.length ) { throw new IndexOutOfBoundsException("Buffer of size "+sb.length+" cannot hold offset "+offset+" + remaining "+remaining); - } + } } - - static void readBytes(final RandomAccessFile in, final byte[] out, final int offset, final int len) - throws IOException, IllegalArgumentException - { + + static void readBytes(final RandomAccessFile in, final byte[] out, final int offset, final int len) + throws IOException, IllegalArgumentException + { in.readFully(out, offset, len); } - + static void seek(final RandomAccessFile in, long newPos) throws IOException { in.seek(newPos); } - + static int readUInt32(final byte[] in, final int offset) { final int v = readInt32(in, offset); if( 0 > v ) { - throw new IllegalArgumentException("Read uint32 value "+toHexString(v)+" > int32-max "+toHexString(MAX_INT_VALUE)); + throw new IllegalArgumentException("Read uint32 value "+toHexString(v)+" > int32-max "+toHexString(MAX_INT_VALUE)); } return v; /** Need to fix endian for below path .. checkBounds(in, offset, 4); - final byte[] uint = new byte[] { 0, 0, 0, 0, in[offset+0], in[offset+1], in[offset+2], in[offset+3] }; + final byte[] uint = new byte[] { 0, 0, 0, 0, in[offset+0], in[offset+1], in[offset+2], in[offset+3] }; final ByteBuffer b = ByteBuffer.wrap(uint, 0, 8).order(ByteOrder.nativeOrder()); return b.asLongBuffer().get(0); */ } - + static int readInt32(final byte[] in, final int offset) { checkBounds(in, offset, 4); final ByteBuffer b = ByteBuffer.wrap(in, offset, 4).order(ByteOrder.nativeOrder()); return b.asIntBuffer().get(0); } - + /** * @param sb byte source buffer to parse * @param offset offset within byte source buffer to start parsing - * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, + * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, * which shall not exceed <code>sb.length - offset</code>. * @param offset_post optional integer array holding offset post parsing * @return the parsed string - * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. + * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. */ static String getString(final byte[] sb, final int offset, final int remaining, int[] offset_post) throws IndexOutOfBoundsException { checkBounds(sb, offset, remaining); @@ -104,14 +104,14 @@ class IOUtils { } return s; } - + /** * @param sb byte source buffer to parse * @param offset offset within byte source buffer to start parsing - * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, + * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, * which shall not exceed <code>sb.length - offset</code>. * @return the number of parsed strings - * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. + * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. */ static int getStringCount(final byte[] sb, int offset, final int remaining) throws IndexOutOfBoundsException { checkBounds(sb, offset, remaining); @@ -120,21 +120,21 @@ class IOUtils { for(; i < remaining && sb[i + offset] != 0; i++) { } strnum++; } - return strnum; + return strnum; } - + /** * @param sb byte source buffer to parse * @param offset offset within byte source buffer to start parsing - * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, + * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, * which shall not exceed <code>sb.length - offset</code>. * @return the parsed strings - * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. + * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. */ public static String[] getStrings(final byte[] sb, int offset, final int remaining) throws IndexOutOfBoundsException { final int strnum = getStringCount(sb, offset, remaining); // System.err.println("XXX: strnum "+strnum+", sb_off "+sb_off+", sb_len "+sb_len); - + final String[] sa = new String[strnum]; final int[] io_off = new int[] { offset }; for(int i=0; i < strnum; i++) { @@ -142,7 +142,7 @@ class IOUtils { sa[i] = getString(sb, io_off[0], remaining - io_off[0], io_off); // System.err.println(".. "+io_off[0]+"[ "+sa[i]); } - return sa; + return sa; } - + } diff --git a/src/java/jogamp/common/os/elf/Section.java b/src/java/jogamp/common/os/elf/Section.java index 99c762c..a653668 100644 --- a/src/java/jogamp/common/os/elf/Section.java +++ b/src/java/jogamp/common/os/elf/Section.java @@ -32,19 +32,19 @@ public class Section { public byte[] data; public int offset; public int length; - + Section(SectionHeader sh, byte[] data, int offset, int length) { this.sh = sh; this.data = data; this.offset = offset; this.length = length; } - + public String toString() { return "Section["+toSubString()+"]"; } String toSubString() { return sh+", data[off "+offset+", len "+length+"/"+data.length+"]"; } - + } diff --git a/src/java/jogamp/common/os/elf/SectionArmAttributes.java b/src/java/jogamp/common/os/elf/SectionArmAttributes.java index 7b85bb9..413250a 100644 --- a/src/java/jogamp/common/os/elf/SectionArmAttributes.java +++ b/src/java/jogamp/common/os/elf/SectionArmAttributes.java @@ -23,17 +23,17 @@ import java.util.List; */ public class SectionArmAttributes extends Section { public static final byte FORMAT_VERSION_A = 0x41; // 'A'; - + public static enum Type { /** No Value */ - None, + None, /** A Sub-Section - following the 4 byte sub section total size (tag + size + content) - byte order of the ELF file */ SubSection, /** Null Terminated Byte-String */ NTBS, ULEB128, } - + /** ULEB128 Value for {@link Tag#ABI_VFP_args}: FP parameter/result passing conforms to AAPCS, BASE variant. */ public static final byte ABI_VFP_ARGS_IS_BASE_VARIANT = 0; /** ULEB128 Value for {@link Tag#ABI_VFP_args}: FP parameter/result passing conforms to AAPCS, VFP variant. */ @@ -41,18 +41,18 @@ public class SectionArmAttributes extends Section { /** ULEB128 Value for {@link Tag#ABI_VFP_args}: FP parameter/result passing conforms to custom toolchain. */ public static final byte ABI_VFP_ARGS_IS_CUSTOM_VARIANT = 2; /** ULEB128 Value for {@link Tag#ABI_VFP_args}: FP parameter/result passing conforms to both , BASE and VFP variant. */ - public static final byte ABI_VFP_ARGS_IS_BOTH_BASE_AND_VFP_VARIANT = 3; - - /** + public static final byte ABI_VFP_ARGS_IS_BOTH_BASE_AND_VFP_VARIANT = 3; + + /** * Returns true if value is either {@link #ABI_VFP_ARGS_IS_VFP_VARIANT} or {@link #ABI_VFP_ARGS_IS_BOTH_BASE_AND_VFP_VARIANT} * @param v ULEB128 Value from {@link Tag#ABI_VFP_args} attribute */ public static final boolean abiVFPArgsAcceptsVFPVariant(byte v) { return ABI_VFP_ARGS_IS_VFP_VARIANT == v || ABI_VFP_ARGS_IS_BOTH_BASE_AND_VFP_VARIANT == v; } - + public static enum Tag { - None(0, Type.None), + None(0, Type.None), File(1, Type.SubSection), Section(2, Type.SubSection), Symbol(3, Type.SubSection), CPU_raw_name( 4, Type.NTBS ), CPU_name( 5, Type.NTBS ), @@ -96,10 +96,10 @@ public class SectionArmAttributes extends Section { undefined69( 69, Type.None ), MPextension_use_legacy( 70, Type.ULEB128 ) ; - + public final int id; - public final Type type; - + public final Type type; + /** Slow O(n) transition of a native tag value to a Tag. */ public static Tag get(final int id) { final Tag[] tags = Tag.values(); @@ -117,16 +117,16 @@ public class SectionArmAttributes extends Section { this.type = type; } } - + public static class Attribute { public final Tag tag; private final Object value; - + Attribute(Tag tag, Object value) { this.tag = tag; this.value = value; } - + public final boolean isNTBS() { return Type.NTBS == tag.type; } @@ -136,7 +136,7 @@ public class SectionArmAttributes extends Section { } throw new IllegalArgumentException("Not NTBS but "+tag.type); } - + public final boolean isULEB128() { return Type.ULEB128 == tag.type; } @@ -146,41 +146,41 @@ public class SectionArmAttributes extends Section { } throw new IllegalArgumentException("Not ULEB128 but "+tag.type); } - + public String toString() { return tag+" = "+value; } } - + public static class VendorAttributes { public final String vendor; public final List<Attribute> attributes; - + VendorAttributes(String vendor, List<Attribute> attributes) { this.vendor = vendor; - this.attributes = attributes; + this.attributes = attributes; } - + public String toString() { return vendor + attributes.toString(); } } public final List<VendorAttributes> vendorAttributesList; - + SectionArmAttributes(SectionHeader sh, byte[] data, int offset, int length) throws IndexOutOfBoundsException, IllegalArgumentException { super(sh, data, offset, length); this.vendorAttributesList = parse(data, offset, length); } - + public String toString() { return "SectionArmAttributes["+super.toSubString()+", "+vendorAttributesList.toString()+"]"; } - + public final Attribute get(Tag tag) { for(int i=0; i<vendorAttributesList.size(); i++) { final List<Attribute> attributes = vendorAttributesList.get(i).attributes; for(int j=0; j<attributes.size(); j++) { - final Attribute a = attributes.get(j); + final Attribute a = attributes.get(j); if( a.tag == tag ) { return a; } @@ -188,11 +188,11 @@ public class SectionArmAttributes extends Section { } return null; } - + public final List<Attribute> get(String vendor) { return get(vendorAttributesList, vendor); } - + static final List<Attribute> get(final List<VendorAttributes> vendorAttributesList, String vendor) { for(int i=0; i<vendorAttributesList.size(); i++) { final VendorAttributes vas = vendorAttributesList.get(i); @@ -202,14 +202,14 @@ public class SectionArmAttributes extends Section { } return null; } - + /** * @param in byte source buffer to parse * @param offset offset within byte source buffer to start parsing - * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, + * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, * which shall not exceed <code>sb.length - offset</code>. - * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. - * @throws IllegalArgumentException if section parsing failed, i.e. incompatible version or data. + * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. + * @throws IllegalArgumentException if section parsing failed, i.e. incompatible version or data. */ static List<VendorAttributes> parse(final byte[] in, final int offset, final int remaining) throws IndexOutOfBoundsException, IllegalArgumentException { checkBounds(in, offset, remaining); @@ -218,33 +218,33 @@ public class SectionArmAttributes extends Section { throw new IllegalArgumentException("ShArmAttr: Not version A, but: "+toHexString(in[i])); } i++; - + final List<VendorAttributes> vendorAttributesList = new ArrayList<VendorAttributes>(); - + while(i < remaining) { - final int i_pre = i; + final int i_pre = i; final int secLen = readUInt32(in, i); /* total section size: 4 + string + content, i.e. offset to next section */ i+=4; - + final String vendor; { - int[] i_post = new int[] { 0 }; + int[] i_post = new int[] { 0 }; vendor = getString(in, i, secLen - 4, i_post); i = i_post[0]; } - + final List<Attribute> attributes = new ArrayList<Attribute>(); - + while(i < secLen) { - int[] i_post = new int[] { 0 }; - parseSub(in, i, secLen - i, i_post, attributes); + int[] i_post = new int[] { 0 }; + parseSub(in, i, secLen - i, i_post, attributes); i = i_post[0]; } - + if( i_pre + secLen != i ) { throw new IllegalArgumentException("ShArmAttr: Section length count mismatch, expected "+(i_pre + secLen)+", has "+i); } - + final List<Attribute> mergeAttribs = get(vendorAttributesList, vendor); if( null != mergeAttribs ) { mergeAttribs.addAll(attributes); @@ -252,21 +252,21 @@ public class SectionArmAttributes extends Section { vendorAttributesList.add(new VendorAttributes(vendor, attributes)); } } - + return vendorAttributesList; } - + /** * @param in byte source buffer to parse * @param offset offset within byte source buffer to start parsing - * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, + * @param remaining remaining numbers of bytes to parse beginning w/ <code>sb_off</code>, * which shall not exceed <code>sb.length - offset</code>. - * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. - * @throws IllegalArgumentException if section parsing failed, i.e. incompatible version or data. + * @throws IndexOutOfBoundsException if <code>offset + remaining > sb.length</code>. + * @throws IllegalArgumentException if section parsing failed, i.e. incompatible version or data. */ static void parseSub(final byte[] in, final int offset, final int remaining, int[] offset_post, List<Attribute> attributes) throws IndexOutOfBoundsException, IllegalArgumentException { checkBounds(in, offset, remaining); - + // Starts w/ sub-section Tag int i = offset; final int i_sTag = in[i++]; @@ -274,7 +274,7 @@ public class SectionArmAttributes extends Section { if( null == sTag ) { throw new IllegalArgumentException("ShArmAttr: Invalid Sub-Section tag (NaT): "+i_sTag); } - final int subSecLen; // sub section total size (tag + size + content) + final int subSecLen; // sub section total size (tag + size + content) switch(sTag) { case File: case Section: @@ -295,7 +295,7 @@ public class SectionArmAttributes extends Section { switch(tag.type) { case NTBS: { - int[] i_post = new int[] { 0 }; + int[] i_post = new int[] { 0 }; final String value = getString(in, i, subSecLen + offset - i, i_post); attributes.add(new Attribute(tag, value)); i = i_post[0]; @@ -313,5 +313,5 @@ public class SectionArmAttributes extends Section { } } offset_post[0] = offset + subSecLen; - } + } } diff --git a/src/java/jogamp/common/os/elf/SectionHeader.java b/src/java/jogamp/common/os/elf/SectionHeader.java index 18a3293..fd28d2a 100644 --- a/src/java/jogamp/common/os/elf/SectionHeader.java +++ b/src/java/jogamp/common/os/elf/SectionHeader.java @@ -120,7 +120,7 @@ public class SectionHeader { * {@value} */ public static final int SHT_HIUSER = 0xffffffff; - + /** * {@value} */ @@ -141,7 +141,7 @@ public class SectionHeader { * {@value} */ public static final int SHT_ARM_OVERLAYSECTION = 0x70000005; - + /** * {@value} */ @@ -169,14 +169,14 @@ public class SectionHeader { /** * {@value} */ - public static final short SHN_HIRESERVE = (short)0xffff; - + public static final short SHN_HIRESERVE = (short)0xffff; + /** Public access to the raw elf section header */ public final Shdr d; - + private int idx; private String name; - + SectionHeader(byte[] buf, int offset, int length, int sectionIdx) { this( ByteBuffer.wrap(buf, 0, buf.length), sectionIdx ); } @@ -185,11 +185,11 @@ public class SectionHeader { this.idx = idx; name = null; } - + public String toString() { return "SectionHeader[idx "+idx+", name "+name+", type "+toHexString(getType())+", link "+d.getSh_link()+", info "+toHexString(d.getSh_info())+", flags "+toHexString(getFlags())+"]"; } - + /** * @param strS the {@link SectionHeader#SHT_STRTAB} section containing all strings * @param nameOffset name offset within strS @@ -202,7 +202,7 @@ public class SectionHeader { public int getIndex() { return idx; } - + /** Returns the type of this section. */ public int getType() { return d.getSh_type(); @@ -212,7 +212,7 @@ public class SectionHeader { public long getFlags() { return d.getSh_flags(); } - + /** Returns the size of this section. */ public long getSize() { return d.getSh_size(); @@ -222,10 +222,10 @@ public class SectionHeader { public String getName() { return name; } - + /** * Returns the Section referenced w/ this section header - * + * * @param in file owning the section * @throws IOException if read error occurs * @throws IllegalArgumentException if section offset or size mismatch including size > {@link Integer#MAX_VALUE} @@ -238,10 +238,10 @@ public class SectionHeader { final byte[] s_buf = new byte[s_size]; return readSectionImpl(in, s_buf, 0, s_size); } - + /** * Returns the Section referenced w/ this section header using given byte array. - * + * * @param in file owning the section * @param b destination buffer * @param b_off offset in destination buffer @@ -260,7 +260,7 @@ public class SectionHeader { } return readSectionImpl(in, b, b_off, r_len); } - + Section readSectionImpl(RandomAccessFile in, byte[] b, int b_off, int r_len) throws IOException, IllegalArgumentException { final long s_off = d.getSh_offset(); seek(in, s_off); @@ -270,5 +270,5 @@ public class SectionHeader { } else { return new Section(this, b, b_off, r_len); } - } + } } |