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[Pearcolator-devel] SF.net SVN: pearcolator: [95] src/org/binarytranslator/generic/os/abi/linux
|
From: <mic...@us...> - 2007-04-27 15:03:24
|
Revision: 95
http://svn.sourceforge.net/pearcolator/?rev=95&view=rev
Author: michael_baer
Date: 2007-04-27 08:03:23 -0700 (Fri, 27 Apr 2007)
Log Message:
-----------
Moved Linux constants into a seperate class.
Modified Paths:
--------------
src/org/binarytranslator/generic/os/abi/linux/LinuxSystemCalls.java
Added Paths:
-----------
src/org/binarytranslator/generic/os/abi/linux/LinuxConstants.java
Added: src/org/binarytranslator/generic/os/abi/linux/LinuxConstants.java
===================================================================
--- src/org/binarytranslator/generic/os/abi/linux/LinuxConstants.java (rev 0)
+++ src/org/binarytranslator/generic/os/abi/linux/LinuxConstants.java 2007-04-27 15:03:23 UTC (rev 95)
@@ -0,0 +1,436 @@
+package org.binarytranslator.generic.os.abi.linux;
+
+interface LinuxConstants {
+ /**
+ * Class capturing errno constants
+ */
+ static interface errno {
+ /** Operation not permitted */
+ final static int EPERM = 1;
+
+ /** No such file or directory */
+ final static int ENOENT = 2;
+
+ /** No such process */
+ final static int ESRCH = 3;
+
+ /** Interrupted system call */
+ final static int EINTR = 4;
+
+ /** I/O error */
+ final static int EIO = 5;
+
+ /** No such device or address */
+ final static int ENXIO = 6;
+
+ /** Argument list too long */
+ final static int E2BIG = 7;
+
+ /** Exec format error */
+ final static int ENOEXEC = 8;
+
+ /** Bad file number */
+ final static int EBADF = 9;
+
+ /** No child processes */
+ final static int ECHILD = 10;
+
+ /** Try again */
+ final static int EAGAIN = 11;
+
+ /** Out of memory */
+ final static int ENOMEM = 12;
+
+ /** Permission denied */
+ final static int EACCES = 13;
+
+ /** Bad address */
+ final static int EFAULT = 14;
+
+ /** Block device required */
+ final static int ENOTBLK = 15;
+
+ /** Device or resource busy */
+ final static int EBUSY = 16;
+
+ /** File exists */
+ final static int EEXIST = 17;
+
+ /** Cross-device link */
+ final static int EXDEV = 18;
+
+ /** No such device */
+ final static int ENODEV = 19;
+
+ /** Not a directory */
+ final static int ENOTDIR = 20;
+
+ /** Is a directory */
+ final static int EISDIR = 21;
+
+ /** Invalid argument */
+ final static int EINVAL = 22;
+
+ /** File table overflow */
+ final static int ENFILE = 23;
+
+ /** Too many open files */
+ final static int EMFILE = 24;
+
+ /** Not a typewriter */
+ final static int ENOTTY = 25;
+
+ /** Text file busy */
+ final static int ETXTBSY = 26;
+
+ /** File too large */
+ final static int EFBIG = 27;
+
+ /** No space left on device */
+ final static int ENOSPC = 28;
+
+ /** Illegal seek */
+ final static int ESPIPE = 29;
+
+ /** Read-only file system */
+ final static int EROFS = 30;
+
+ /** Too many links */
+ final static int EMLINK = 31;
+
+ /** Broken pipe */
+ final static int EPIPE = 32;
+
+ /** Math argument out of domain of func */
+ final static int EDOM = 33;
+
+ /** Math result not representable */
+ final static int ERANGE = 34;
+
+ /** Resource deadlock would occur */
+ final static int EDEADLK = 35;
+
+ final static int EDEADLOCK = EDEADLK;
+
+ /** File name too long */
+ final static int ENAMETOOLONG = 36;
+
+ /** No record locks available */
+ final static int ENOLCK = 37;
+
+ /** Function not implemented */
+ final static int ENOSYS = 38;
+
+ /** Directory not empty */
+ final static int ENOTEMPTY = 39;
+
+ /** Too many symbolic links encountered */
+ final static int ELOOP = 40;
+
+ /** Operation would block */
+ final static int EWOULDBLOCK = EAGAIN;
+
+ /** No message of desired type */
+ final static int ENOMSG = 42;
+
+ /** Identifier removed */
+ final static int EIDRM = 43;
+
+ /** Channel number out of range */
+ final static int ECHRNG = 44;
+
+ /** Level 2 not synchronized */
+ final static int EL2NSYNC = 45;
+
+ /** Level 3 halted */
+ final static int EL3HLT = 46;
+
+ /** Level 3 reset */
+ final static int EL3RST = 47;
+
+ /** Link number out of range */
+ final static int ELNRNG = 48;
+
+ /** Protocol driver not attached */
+ final static int EUNATCH = 49;
+
+ /** No CSI structure available */
+ final static int ENOCSI = 50;
+
+ /** Level 2 halted */
+ final static int EL2HLT = 51;
+
+ /** Invalid exchange */
+ final static int EBADE = 52;
+
+ /** Invalid request descriptor */
+ final static int EBADR = 53;
+
+ /** Exchange full */
+ final static int EXFULL = 54;
+
+ /** No anode */
+ final static int ENOANO = 55;
+
+ /** Invalid request code */
+ final static int EBADRQC = 56;
+
+ /** Invalid slot */
+ final static int EBADSLT = 57;
+
+ /** Bad font file format */
+ final static int EBFONT = 59;
+
+ /** Device not a stream */
+ final static int ENOSTR = 60;
+
+ /** No data available */
+ final static int ENODATA = 61;
+
+ /** Timer expired */
+ final static int ETIME = 62;
+
+ /** Out of streams resources */
+ final static int ENOSR = 63;
+
+ /** Machine is not on the network */
+ final static int ENONET = 64;
+
+ /** Package not installed */
+ final static int ENOPKG = 65;
+
+ /** Object is remote */
+ final static int EREMOTE = 66;
+
+ /** Link has been severed */
+ final static int ENOLINK = 67;
+
+ /** Advertise error */
+ final static int EADV = 68;
+
+ /** Srmount error */
+ final static int ESRMNT = 69;
+
+ /** Communication error on send */
+ final static int ECOMM = 70;
+
+ /** Protocol error */
+ final static int EPROTO = 71;
+
+ /** Multihop attempted */
+ final static int EMULTIHOP = 72;
+
+ /** RFS specific error */
+ final static int EDOTDOT = 73;
+
+ /** Not a data message */
+ final static int EBADMSG = 74;
+
+ /** Value too large for defined data type */
+ final static int EOVERFLOW = 75;
+
+ /** Name not unique on network */
+ final static int ENOTUNIQ = 76;
+
+ /** File descriptor in bad state */
+ final static int EBADFD = 77;
+
+ /** Remote address changed */
+ final static int EREMCHG = 78;
+
+ /** Can not access a needed shared library */
+ final static int ELIBACC = 79;
+
+ /** Accessing a corrupted shared library */
+ final static int ELIBBAD = 80;
+
+ /** .lib section in a.out corrupted */
+ final static int ELIBSCN = 81;
+
+ /** Attempting to link in too many shared libraries */
+ final static int ELIBMAX = 82;
+
+ /** Cannot exec a shared library directly */
+ final static int ELIBEXEC = 83;
+
+ /** Illegal byte sequence */
+ final static int EILSEQ = 84;
+
+ /** Interrupted system call should be restarted */
+ final static int ERESTART = 85;
+
+ /** Streams pipe error */
+ final static int ESTRPIPE = 86;
+
+ /** Too many users */
+ final static int EUSERS = 87;
+
+ /** Socket operation on non-socket */
+ final static int ENOTSOCK = 88;
+
+ /** Destination address required */
+ final static int EDESTADDRREQ = 89;
+
+ /** Message too long */
+ final static int EMSGSIZE = 90;
+
+ /** Protocol wrong type for socket */
+ final static int EPROTOTYPE = 91;
+
+ /** Protocol not available */
+ final static int ENOPROTOOPT = 92;
+
+ /** Protocol not supported */
+ final static int EPROTONOSUPPORT = 93;
+
+ /** Socket type not supported */
+ final static int ESOCKTNOSUPPORT = 94;
+
+ /** Operation not supported on transport endpoint */
+ final static int EOPNOTSUPP = 95;
+
+ /** Protocol family not supported */
+ final static int EPFNOSUPPORT = 96;
+
+ /** Address family not supported by protocol */
+ final static int EAFNOSUPPORT = 97;
+
+ /** Address already in use */
+ final static int EADDRINUSE = 98;
+
+ /** Cannot assign requested address */
+ final static int EADDRNOTAVAIL = 99;
+
+ /** Network is down */
+ final static int ENETDOWN = 100;
+
+ /** Network is unreachable */
+ final static int ENETUNREACH = 101;
+
+ /** Network dropped connection because of reset */
+ final static int ENETRESET = 102;
+
+ /** Software caused connection abort */
+ final static int ECONNABORTED = 103;
+
+ /** Connection reset by peer */
+ final static int ECONNRESET = 104;
+
+ /** No buffer space available */
+ final static int ENOBUFS = 105;
+
+ /** Transport endpoint is already connected */
+ final static int EISCONN = 106;
+
+ /** Transport endpoint is not connected */
+ final static int ENOTCONN = 107;
+
+ /** Cannot send after transport endpoint shutdown */
+ final static int ESHUTDOWN = 108;
+
+ /** Too many references: cannot splice */
+ final static int ETOOMANYREFS = 109;
+
+ /** Connection timed out */
+ final static int ETIMEDOUT = 110;
+
+ /** Connection refused */
+ final static int ECONNREFUSED = 111;
+
+ /** Host is down */
+ final static int EHOSTDOWN = 112;
+
+ /** No route to host */
+ final static int EHOSTUNREACH = 113;
+
+ /** Operation already in progress */
+ final static int EALREADY = 114;
+
+ /** Operation now in progress */
+ final static int EINPROGRESS = 115;
+
+ /** Stale NFS file handle */
+ final static int ESTALE = 116;
+
+ /** Structure needs cleaning */
+ final static int EUCLEAN = 117;
+
+ /** Not a XENIX named type file */
+ final static int ENOTNAM = 118;
+
+ /** No XENIX semaphores available */
+ final static int ENAVAIL = 119;
+
+ /** Is a named type file */
+ final static int EISNAM = 120;
+
+ /** Remote I/O error */
+ final static int EREMOTEIO = 121;
+
+ /** Quota exceeded */
+ final static int EDQUOT = 122;
+
+ /** No medium found */
+ final static int ENOMEDIUM = 123;
+
+ /** Wrong medium type */
+ final static int EMEDIUMTYPE = 124;
+
+ /** Operation Canceled */
+ final static int ECANCELED = 125;
+
+ /** Required key not available */
+ final static int ENOKEY = 126;
+
+ /** Key has expired */
+ final static int EKEYEXPIRED = 127;
+
+ /** Key has been revoked */
+ final static int EKEYREVOKED = 128;
+
+ /** Key was rejected by service */
+ final static int EKEYREJECTED = 129;
+
+ /** Owner died */
+ final static int EOWNERDEAD = 130;
+
+ /** State not recoverable */
+ final static int ENOTRECOVERABLE = 131;
+ }
+
+ static interface mman {
+ /** Page can be read */
+ public final static int PROT_READ = 0x1;
+
+ /** Page can be written */
+ public final static int PROT_WRITE = 0x2;
+
+ /** Page can be executed */
+ public final static int PROT_EXEC = 0x4;
+
+ /** Map pages that are shared between processes */
+ public final static int MAP_SHARED = 0x1;
+
+ /** Map pages without sharing them */
+ public final static int MAP_PRIVATE = 0x2;
+
+ /** Don't use a file */
+ public final static int MAP_ANONYMOUS = 0x20;
+ }
+
+ /**
+ * Class capturing file control (fcntl) constants
+ */
+ static interface fcntl {
+ public final static int O_RDONLY = 0;
+ public final static int O_WRONLY = 1;
+ public final static int O_RDWR = 2;
+ public final static int O_CREAT = 0100;
+ public final static int O_EXCL = 0200;
+ public final static int O_NOCTTY = 0400;
+ public final static int O_TRUNC = 01000;
+ public final static int O_APPEND = 02000;
+ public final static int O_NONBLOCK = 04000;
+ }
+
+}
Modified: src/org/binarytranslator/generic/os/abi/linux/LinuxSystemCalls.java
===================================================================
--- src/org/binarytranslator/generic/os/abi/linux/LinuxSystemCalls.java 2007-04-26 20:27:47 UTC (rev 94)
+++ src/org/binarytranslator/generic/os/abi/linux/LinuxSystemCalls.java 2007-04-27 15:03:23 UTC (rev 95)
@@ -19,6 +19,7 @@
import org.binarytranslator.generic.os.abi.linux.files.ReadableFile;
import org.binarytranslator.generic.os.abi.linux.files.WriteableFile;
import org.binarytranslator.generic.os.abi.linux.files.OpenFileList.InvalidFileDescriptor;
+import org.binarytranslator.generic.os.abi.linux.LinuxConstants.*;
import java.io.File;
import java.io.FileNotFoundException;
@@ -35,13 +36,13 @@
* The source of the system calls
*/
protected LinuxSystemCallGenerator src;
-
+
/** Allows access to the system call's arguments */
protected LinuxSystemCallGenerator.CallArgumentIterator arguments;
-
+
/** Allows access to a number of operating-system specific structures. */
protected LinuxStructureFactory structures;
-
+
/** List of currently opened files. */
private OpenFileList openFiles;
@@ -54,7 +55,7 @@
* Array to de-multiplex Linux system calls. NB we will have to
* handle IA32 call gates entry at some point
*/
- protected SystemCall systemCallTable[];
+ protected SystemCall systemCallTable[] = new SystemCall[MAX_SYSCALLS];
/**
* The name for this system given by uname
@@ -62,33 +63,35 @@
protected String getSysName() {
return "Linux";
}
+
/**
* The release for this system given by uname
*/
protected String getRelease() {
return "2.6.13";
}
+
/**
* The version for this system given by uname
*/
protected String getVersion() {
return "#1";
}
+
/**
* The machine for this system given by uname
*/
protected abstract String getMachine();
-
/**
- * Load an ASCIIZ string from the memory of the system call
- * generator and return it as a Java String.
- * @param address where to read
- * @return the String read
- */
+ * Load an ASCIIZ string from the memory of the system call
+ * generator and return it as a Java String.
+ * @param address where to read
+ * @return the String read
+ */
private String memoryReadString(int address) {
Memory m = src.getProcessSpace().memory;
-
+
StringBuffer str = new StringBuffer();
char c;
@@ -97,20 +100,20 @@
return str.toString();
}
-
+
/**
- * Store an ASCIIZ string to the memory of the system call generator
- * @param address where to read
- * @param data the String to write
- */
+ * Store an ASCIIZ string to the memory of the system call generator
+ * @param address where to read
+ * @param data the String to write
+ */
public void memoryWriteString(int address, String data) {
Memory m = src.getProcessSpace().memory;
-
+
if (data != null) {
for (int i = 0; i < data.length(); i++) {
- m.store8(address + i, (byte) data.charAt(i));
+ m.store8(address + i, (byte) data.charAt(i));
}
-
+
m.store8(address + data.length(), (byte) 0);
}
}
@@ -120,19 +123,19 @@
*/
public LinuxSystemCalls(LinuxSystemCallGenerator src) {
this.src = src;
- systemCallTable = new SystemCall[MAX_SYSCALLS];
UnknownSystemCall USC = new UnknownSystemCall();
- for(int i=0; i < MAX_SYSCALLS; i++) {
+ for (int i = 0; i < MAX_SYSCALLS; i++) {
systemCallTable[i] = USC;
}
-
+
openFiles = new OpenFileList();
-
- if (openFiles.open(new ConsoleIn(), 0) != 0 ||
- openFiles.open(new ConsoleOut(System.out), 1) != 1 ||
- openFiles.open(new ConsoleOut(System.err), 2) != 2) {
-
- throw new RuntimeException("File descriptors for standard streams could not be assigned correctly.");
+
+ if (openFiles.open(new ConsoleIn(), 0) != 0
+ || openFiles.open(new ConsoleOut(System.out), 1) != 1
+ || openFiles.open(new ConsoleOut(System.err), 2) != 2) {
+
+ throw new RuntimeException(
+ "File descriptors for standard streams could not be assigned correctly.");
}
structures = new LinuxStructureFactory();
@@ -144,328 +147,21 @@
*/
public void doSysCall() {
int sysCallNumber = src.getSysCallNumber();
- System.err.println("Syscall "+ sysCallToString(sysCallNumber));
+ System.err.println("Syscall " + sysCallToString(sysCallNumber));
arguments = src.getSysCallArguments();
systemCallTable[sysCallNumber].doSysCall();
}
-
+
/**
* Turn the given system call number into a string describing its
* function
*/
abstract public String sysCallToString(int syscall);
- /**
- * Class capturing errno constants
- */
- private final static class errno {
- /** Operation not permitted */
- final static int EPERM=1;
- /** No such file or directory */
- final static int ENOENT=2;
- /** No such process */
- final static int ESRCH=3;
- /** Interrupted system call */
- final static int EINTR=4;
- /** I/O error */
- final static int EIO=5;
- /** No such device or address */
- final static int ENXIO=6;
- /** Argument list too long */
- final static int E2BIG=7;
- /** Exec format error */
- final static int ENOEXEC=8;
- /** Bad file number */
- final static int EBADF=9;
- /** No child processes */
- final static int ECHILD=10;
- /** Try again */
- final static int EAGAIN=11;
- /** Out of memory */
- final static int ENOMEM=12;
- /** Permission denied */
- final static int EACCES=13;
- /** Bad address */
- final static int EFAULT=14;
- /** Block device required */
- final static int ENOTBLK=15;
- /** Device or resource busy */
- final static int EBUSY=16;
- /** File exists */
- final static int EEXIST=17;
- /** Cross-device link */
- final static int EXDEV=18;
- /** No such device */
- final static int ENODEV=19;
- /** Not a directory */
- final static int ENOTDIR=20;
- /** Is a directory */
- final static int EISDIR=21;
- /** Invalid argument */
- final static int EINVAL=22;
- /** File table overflow */
- final static int ENFILE=23;
- /** Too many open files */
- final static int EMFILE=24;
- /** Not a typewriter */
- final static int ENOTTY=25;
- /** Text file busy */
- final static int ETXTBSY=26;
- /** File too large */
- final static int EFBIG=27;
- /** No space left on device */
- final static int ENOSPC=28;
- /** Illegal seek */
- final static int ESPIPE=29;
- /** Read-only file system */
- final static int EROFS=30;
- /** Too many links */
- final static int EMLINK=31;
- /** Broken pipe */
- final static int EPIPE=32;
- /** Math argument out of domain of func */
- final static int EDOM=33;
- /** Math result not representable */
- final static int ERANGE=34;
-
- /** Resource deadlock would occur */
- final static int EDEADLK=35;
- final static int EDEADLOCK=EDEADLK;
- /** File name too long */
- final static int ENAMETOOLONG=36;
- /** No record locks available */
- final static int ENOLCK=37;
- /** Function not implemented */
- final static int ENOSYS=38;
- /** Directory not empty */
- final static int ENOTEMPTY=39;
- /** Too many symbolic links encountered */
- final static int ELOOP=40;
- /** Operation would block */
- final static int EWOULDBLOCK=EAGAIN;
- /** No message of desired type */
- final static int ENOMSG=42;
- /** Identifier removed */
- final static int EIDRM=43;
- /** Channel number out of range */
- final static int ECHRNG=44;
- /** Level 2 not synchronized */
- final static int EL2NSYNC=45;
- /** Level 3 halted */
- final static int EL3HLT=46;
- /** Level 3 reset */
- final static int EL3RST=47;
- /** Link number out of range */
- final static int ELNRNG=48;
- /** Protocol driver not attached */
- final static int EUNATCH=49;
- /** No CSI structure available */
- final static int ENOCSI=50;
- /** Level 2 halted */
- final static int EL2HLT=51;
- /** Invalid exchange */
- final static int EBADE=52;
- /** Invalid request descriptor */
- final static int EBADR=53;
- /** Exchange full */
- final static int EXFULL=54;
- /** No anode */
- final static int ENOANO=55;
- /** Invalid request code */
- final static int EBADRQC=56;
- /** Invalid slot */
- final static int EBADSLT=57;
-
- /** Bad font file format */
- final static int EBFONT=59;
- /** Device not a stream */
- final static int ENOSTR=60;
- /** No data available */
- final static int ENODATA=61;
- /** Timer expired */
- final static int ETIME=62;
- /** Out of streams resources */
- final static int ENOSR=63;
- /** Machine is not on the network */
- final static int ENONET=64;
- /** Package not installed */
- final static int ENOPKG=65;
- /** Object is remote */
- final static int EREMOTE=66;
- /** Link has been severed */
- final static int ENOLINK=67;
- /** Advertise error */
- final static int EADV=68;
- /** Srmount error */
- final static int ESRMNT=69;
- /** Communication error on send */
- final static int ECOMM=70;
- /** Protocol error */
- final static int EPROTO=71;
- /** Multihop attempted */
- final static int EMULTIHOP=72;
- /** RFS specific error */
- final static int EDOTDOT=73;
- /** Not a data message */
- final static int EBADMSG=74;
- /** Value too large for defined data type */
- final static int EOVERFLOW=75;
- /** Name not unique on network */
- final static int ENOTUNIQ=76;
- /** File descriptor in bad state */
- final static int EBADFD=77;
- /** Remote address changed */
- final static int EREMCHG=78;
- /** Can not access a needed shared library */
- final static int ELIBACC=79;
- /** Accessing a corrupted shared library */
- final static int ELIBBAD=80;
- /** .lib section in a.out corrupted */
- final static int ELIBSCN=81;
- /** Attempting to link in too many shared libraries */
- final static int ELIBMAX=82;
- /** Cannot exec a shared library directly */
- final static int ELIBEXEC=83;
- /** Illegal byte sequence */
- final static int EILSEQ=84;
- /** Interrupted system call should be restarted */
- final static int ERESTART=85;
- /** Streams pipe error */
- final static int ESTRPIPE=86;
- /** Too many users */
- final static int EUSERS=87;
- /** Socket operation on non-socket */
- final static int ENOTSOCK=88;
- /** Destination address required */
- final static int EDESTADDRREQ=89;
- /** Message too long */
- final static int EMSGSIZE=90;
- /** Protocol wrong type for socket */
- final static int EPROTOTYPE=91;
- /** Protocol not available */
- final static int ENOPROTOOPT=92;
- /** Protocol not supported */
- final static int EPROTONOSUPPORT=93;
- /** Socket type not supported */
- final static int ESOCKTNOSUPPORT=94;
- /** Operation not supported on transport endpoint */
- final static int EOPNOTSUPP=95;
- /** Protocol family not supported */
- final static int EPFNOSUPPORT=96;
- /** Address family not supported by protocol */
- final static int EAFNOSUPPORT=97;
- /** Address already in use */
- final static int EADDRINUSE=98;
- /** Cannot assign requested address */
- final static int EADDRNOTAVAIL=99;
- /** Network is down */
- final static int ENETDOWN=100;
- /** Network is unreachable */
- final static int ENETUNREACH=101;
- /** Network dropped connection because of reset */
- final static int ENETRESET=102;
- /** Software caused connection abort */
- final static int ECONNABORTED=103;
- /** Connection reset by peer */
- final static int ECONNRESET=104;
- /** No buffer space available */
- final static int ENOBUFS=105;
- /** Transport endpoint is already connected */
- final static int EISCONN=106;
- /** Transport endpoint is not connected */
- final static int ENOTCONN=107;
- /** Cannot send after transport endpoint shutdown */
- final static int ESHUTDOWN=108;
- /** Too many references: cannot splice */
- final static int ETOOMANYREFS=109;
- /** Connection timed out */
- final static int ETIMEDOUT=110;
- /** Connection refused */
- final static int ECONNREFUSED=111;
- /** Host is down */
- final static int EHOSTDOWN=112;
- /** No route to host */
- final static int EHOSTUNREACH=113;
- /** Operation already in progress */
- final static int EALREADY=114;
- /** Operation now in progress */
- final static int EINPROGRESS=115;
- /** Stale NFS file handle */
- final static int ESTALE=116;
- /** Structure needs cleaning */
- final static int EUCLEAN=117;
- /** Not a XENIX named type file */
- final static int ENOTNAM=118;
- /** No XENIX semaphores available */
- final static int ENAVAIL=119;
- /** Is a named type file */
- final static int EISNAM=120;
- /** Remote I/O error */
- final static int EREMOTEIO=121;
- /** Quota exceeded */
- final static int EDQUOT=122;
-
- /** No medium found */
- final static int ENOMEDIUM=123;
- /** Wrong medium type */
- final static int EMEDIUMTYPE=124;
- /** Operation Canceled */
- final static int ECANCELED=125;
- /** Required key not available */
- final static int ENOKEY=126;
- /** Key has expired */
- final static int EKEYEXPIRED=127;
- /** Key has been revoked */
- final static int EKEYREVOKED=128;
- /** Key was rejected by service */
- final static int EKEYREJECTED=129;
-
- /** Owner died */
- final static int EOWNERDEAD=130;
- /** State not recoverable */
- final static int ENOTRECOVERABLE=131;
- }
-
- /**
- * Class capturing file control (fcntl) constants
- */
- private final static class fcntl {
- public final static int O_RDONLY = 0;
- public final static int O_WRONLY = 1;
- public final static int O_RDWR = 2;
- public final static int O_CREAT = 0100;
- public final static int O_EXCL = 0200;
- public final static int O_NOCTTY = 0400;
- public final static int O_TRUNC = 01000;
- public final static int O_APPEND = 02000;
- public final static int O_NONBLOCK = 04000;
- }
-
- /**
- * Class capturing memory management constants
- */
- private final static class mman {
- /** Page can be read */
- public final static int PROT_READ=0x1;
- /** Page can be written */
- public final static int PROT_WRITE=0x2;
- /** Page can be executed */
- public final static int PROT_EXEC=0x4;
- /** Map pages that are shared between processes */
- public final static int MAP_SHARED = 0x1;
- /** Map pages without sharing them */
- public final static int MAP_PRIVATE = 0x2;
- /** Don't use a file */
- public final static int MAP_ANONYMOUS=0x20;
- }
-
- /**
- * Define the system call interface
- */
+ /** Base class for all system calls. */
public abstract class SystemCall {
- /**
- * Handle a system call
- */
+
+ /** Handle a system call */
public abstract void doSysCall();
}
@@ -479,10 +175,10 @@
public void doSysCall() {
if (!DBT_Options.unimplementedSystemCallsFatal) {
src.setSysCallError(errno.ENOSYS);
+ } else {
+ throw new Error("System Call "
+ + sysCallToString(src.getSysCallNumber()) + " Unknown");
}
- else {
- throw new Error("System Call " + sysCallToString(src.getSysCallNumber()) + " Unknown");
- }
}
}
@@ -504,27 +200,25 @@
int fd = arguments.nextInt();
int buf = arguments.nextInt();
int count = arguments.nextInt();
-
+
Memory mem = src.getProcessSpace().memory;
-
+
try {
//get the file from the file descriptor table
ReadableFile file = openFiles.getRead(fd);
byte[] buffer = new byte[count];
-
+
//try to fill the buffer from the file
int readBytes = file.read(buffer);
-
+
//copy the filled buffer into the memory
for (int i = 0; i < readBytes; i++)
mem.store8(buf++, buffer[i]);
-
+
src.setSysCallReturn(readBytes);
- }
- catch (InvalidFileDescriptor e) {
+ } catch (InvalidFileDescriptor e) {
src.setSysCallError(errno.EBADF);
- }
- catch (Exception e) {
+ } catch (Exception e) {
src.setSysCallError(errno.EIO);
}
}
@@ -538,26 +232,24 @@
int fd = arguments.nextInt();
int buf = arguments.nextInt();
int count = arguments.nextInt();
-
+
Memory mem = src.getProcessSpace().memory;
-
+
try {
//get the file from the file descriptor table
WriteableFile file = openFiles.getWrite(fd);
-
+
//load the supplied buffer from memory
byte[] buffer = new byte[count];
for (int i = 0; i < count; i++)
- buffer[i] = (byte)mem.loadUnsigned8(buf++);
-
+ buffer[i] = (byte) mem.loadUnsigned8(buf++);
+
//write that buffer to the file
file.write(buffer);
src.setSysCallReturn(count);
- }
- catch (InvalidFileDescriptor e) {
+ } catch (InvalidFileDescriptor e) {
src.setSysCallError(errno.EBADF);
- }
- catch (Exception e) {
+ } catch (Exception e) {
src.setSysCallError(errno.EIO);
}
}
@@ -567,40 +259,38 @@
* Write data into multiple buffers
*/
public class SysWriteV extends SystemCall {
- public void doSysCall() {
+ public void doSysCall() {
int fd = arguments.nextInt();
int vector = arguments.nextInt();
int count = arguments.nextInt();
Memory mem = src.getProcessSpace().memory;
-
+
try {
//get the file from the file descriptor table
WriteableFile file = openFiles.getWrite(fd);
int bytesWritten = 0;
-
+
//for each of the supplied buffers...
for (int n = 0; n < count; n++) {
//get the base address & length for the current buffer
int base = mem.load32(vector);
- int len = mem.load32(vector + 4);
+ int len = mem.load32(vector + 4);
vector += 8;
-
+
//read the buffer from memory
byte[] buffer = new byte[len];
for (int i = 0; i < count; i++)
- buffer[i] = (byte)mem.loadUnsigned8(base + i);
-
+ buffer[i] = (byte) mem.loadUnsigned8(base + i);
+
//and write it to the file
file.write(buffer);
bytesWritten += len;
}
-
+
src.setSysCallReturn(bytesWritten);
- }
- catch (InvalidFileDescriptor e) {
+ } catch (InvalidFileDescriptor e) {
src.setSysCallError(errno.EBADF);
- }
- catch (Exception e) {
+ } catch (Exception e) {
src.setSysCallError(errno.EIO);
}
}
@@ -614,20 +304,18 @@
// Examine the flags argument and open read or read-write
// accordingly. args[0] points to the file name.
String fileName = memoryReadString(pathname);
-
+
// Create a File object so we can test for the existance and
// properties of the file.
File testFile = new File(fileName);
-
- if(((flags & fcntl.O_CREAT) != 0) &&
- ((flags & fcntl.O_EXCL) != 0) &&
- testFile.exists()) {
+
+ if (((flags & fcntl.O_CREAT) != 0) && ((flags & fcntl.O_EXCL) != 0)
+ && testFile.exists()) {
// O_CREAT specified. If O_EXCL also specified, we require
// that the file does not already exist
src.setSysCallError(errno.EEXIST);
return;
- }
- else if(((flags & fcntl.O_CREAT) != 0) && !testFile.exists()) {
+ } else if (((flags & fcntl.O_CREAT) != 0) && !testFile.exists()) {
// O_CREAT not specified. We require that the file exists.
src.setSysCallError(errno.ENOENT);
return;
@@ -637,19 +325,17 @@
try {
RandomAccessFile raFile;
int fd;
-
- if((flags & 0x3) == fcntl.O_RDONLY) {
+
+ if ((flags & 0x3) == fcntl.O_RDONLY) {
raFile = new RandomAccessFile(fileName, "r");
- fd = openFiles.open( HostFile.forReading(raFile) );
- }
- else {
+ fd = openFiles.open(HostFile.forReading(raFile));
+ } else {
// NB Java RandomAccessFile has no write only
- raFile = new RandomAccessFile(fileName, "rw");
- fd = openFiles.open( HostFile.forWriting(raFile) );
+ raFile = new RandomAccessFile(fileName, "rw");
+ fd = openFiles.open(HostFile.forWriting(raFile));
}
src.setSysCallReturn(fd);
- }
- catch(FileNotFoundException e) {
+ } catch (FileNotFoundException e) {
System.err.println("Open tried to open non-existent file: " + fileName);
src.setSysCallError(errno.ENOENT);
return;
@@ -657,27 +343,29 @@
// NOT YET HANDLING ALL THE flags OPTIONS (IW have included
// TRUNC & APPEND but not properly!)
- if((flags & ~(fcntl.O_WRONLY | fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_EXCL | fcntl.O_TRUNC |
- fcntl.O_APPEND | fcntl.O_NOCTTY | fcntl.O_NONBLOCK)) != 0) {
- throw new Error("Not yet implemented option to sys_open. 0" + Integer.toString(flags,8) +
- " flag 0" + Integer.toString(flags & ~(fcntl.O_WRONLY | fcntl.O_RDWR | fcntl.O_CREAT |
- fcntl.O_EXCL | fcntl.O_TRUNC | fcntl.O_APPEND | fcntl.O_NOCTTY | fcntl.O_NONBLOCK),8));
+ if ((flags & ~(fcntl.O_WRONLY | fcntl.O_RDWR | fcntl.O_CREAT
+ | fcntl.O_EXCL | fcntl.O_TRUNC | fcntl.O_APPEND | fcntl.O_NOCTTY | fcntl.O_NONBLOCK)) != 0) {
+ throw new Error("Not yet implemented option to sys_open. 0"
+ + Integer.toString(flags, 8)
+ + " flag 0"
+ + Integer.toString(flags
+ & ~(fcntl.O_WRONLY | fcntl.O_RDWR | fcntl.O_CREAT
+ | fcntl.O_EXCL | fcntl.O_TRUNC | fcntl.O_APPEND
+ | fcntl.O_NOCTTY | fcntl.O_NONBLOCK), 8));
}
}
}
-
+
public class SysClose extends SystemCall {
public void doSysCall() {
int fd = arguments.nextInt();
-
+
try {
OpenFile f = openFiles.get(fd);
f.close();
- }
- catch (InvalidFileDescriptor e) {
+ } catch (InvalidFileDescriptor e) {
src.setSysCallError(errno.EBADF);
- }
- catch (IOException e) {
+ } catch (IOException e) {
src.setSysCallError(errno.EIO);
}
}
@@ -710,56 +398,56 @@
public class SysBrk extends SystemCall {
public void doSysCall() {
int brk = arguments.nextInt();
- if(brk != 0) {
+ if (brk != 0) {
// Request to set the current top of bss.
src.setBrk(brk);
}
- src.setSysCallReturn(src.getBrk());
+ src.setSysCallReturn(src.getBrk());
}
}
public class SysFstat64 extends SystemCall {
public void doSysCall() {
int fd = arguments.nextInt();
-
+
LinuxStructureFactory.stat64 buf = structures.new_stat64();
-
+
if (fd == 0 || fd == 1 || fd == 2) {
buf.st_mode = 0x2180;
- buf.st_rdev = (short)0x8800;
+ buf.st_rdev = (short) 0x8800;
buf.__st_ino = buf.st_ino = 2;
buf.st_blksize = 0x400;
- }
- else
+ } else
throw new RuntimeException("Unimplemented system call.");
-
+
buf.write(src.getProcessSpace().memory, arguments.nextInt());
src.setSysCallReturn(0);
}
}
-
+
public class SysStat64 extends SystemCall {
@Override
public void doSysCall() {
int ptrFilename = arguments.nextInt();
int ptrStruct64 = arguments.nextInt();
-
+
String filename = memoryReadString(ptrFilename);
-
- if (DBT_Options.debugSyscallMore) System.err.println("Stat64() denies existance of file: " + filename);
+
+ if (DBT_Options.debugSyscallMore)
+ System.err.println("Stat64() denies existance of file: " + filename);
src.setSysCallError(errno.ENOENT);
}
-
+
}
-
+
public class SysFcntl64 extends SystemCall {
public void doSysCall() {
// This is complicated so fudge it for now.
int fd = arguments.nextInt();
int cmd = arguments.nextInt();
-
- if( ((fd == 0) || (fd == 1) || (fd == 2)) && (cmd == 1) )
+
+ if (((fd == 0) || (fd == 1) || (fd == 2)) && (cmd == 1))
src.setSysCallReturn(0);
else
throw new Error("Unrecognised system call.");
@@ -770,36 +458,33 @@
public void doSysCall() {
// Simple uname support
int addr = arguments.nextInt();
-
+
if (addr != 0) {
String localhostString, domainName, hostName;
try {
InetAddress localhost = InetAddress.getLocalHost();
localhostString = localhost.getHostName();
- }
- catch (UnknownHostException e) {
+ } catch (UnknownHostException e) {
localhostString = "localhost.localdomain";
}
int index = localhostString.indexOf('.');
if (index == -1) {
domainName = null;
hostName = localhostString;
- }
- else {
+ } else {
domainName = localhostString.substring(index + 1);
- hostName = localhostString.substring(0,index);
+ hostName = localhostString.substring(0, index);
}
-
+
// Fill in utsname struct - see /usr/include/sys/utsname.h
- memoryWriteString (addr, getSysName()); // sysname
- memoryWriteString (addr+65, hostName); // nodename
- memoryWriteString (addr+130, getRelease()); // release
- memoryWriteString (addr+195, getVersion()); // version
- memoryWriteString (addr+260, getMachine()); // machine
- memoryWriteString (addr+325, domainName); // __domainname
+ memoryWriteString(addr, getSysName()); // sysname
+ memoryWriteString(addr + 65, hostName); // nodename
+ memoryWriteString(addr + 130, getRelease()); // release
+ memoryWriteString(addr + 195, getVersion()); // version
+ memoryWriteString(addr + 260, getMachine()); // machine
+ memoryWriteString(addr + 325, domainName); // __domainname
src.setSysCallReturn(0);
- }
- else {
+ } else {
// attempt to write to address 0
src.setSysCallError(errno.EFAULT);
}
@@ -815,31 +500,28 @@
int flags = arguments.nextInt();
int fd = arguments.nextInt();
int offset = arguments.nextInt();
-
- if((flags & mman.MAP_ANONYMOUS) != 0 ) {
-
+
+ if ((flags & mman.MAP_ANONYMOUS) != 0) {
+
if ((flags & mman.MAP_SHARED) != 0)
throw new Error("Mapping of shared pages is currently not supported.");
-
+
//Anonymous private mappings just request memory.
//Ignore the file descriptor and offset, map the required amount of memory and
//return the address of the mapped memory;
addr = 0;
-
+
try {
Memory mem = src.getProcessSpace().memory;
- addr = mem.map(addr, length,
- (prot & mman.PROT_READ) != 0,
- (prot & mman.PROT_WRITE) != 0,
- (prot & mman.PROT_EXEC) != 0);
-
+ addr = mem.map(addr, length, (prot & mman.PROT_READ) != 0,
+ (prot & mman.PROT_WRITE) != 0, (prot & mman.PROT_EXEC) != 0);
+
src.setSysCallReturn(addr);
- }
- catch (MemoryMapException e) {
+ } catch (MemoryMapException e) {
throw new Error("Error in mmap", e);
}
} else {
- throw new Error("Non-anonymous sys_mmap not yet implemented.");
+ throw new Error("Non-anonymous sys_mmap not yet implemented.");
}
}
}
@@ -849,7 +531,7 @@
int start = arguments.nextInt();
int length = arguments.nextInt();
-
+
src.getProcessSpace().memory.unmap(start, length);
src.setSysCallReturn(0);
}
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