X-Git-Url: http://git.megacz.com/?p=nestedvm.git;a=blobdiff_plain;f=src%2Forg%2Fibex%2Fnestedvm%2FUnixRuntime.java;h=8031f58e5fabffab82a27daa58980a605c1b1357;hp=f5b8745196c5c3427dfddfb6d6f8493ed852c4c9;hb=8f20cbd09cb3b11fe8bd65e66d02f3453940c996;hpb=8a4f765fabfbee269818c56e517b8a37fc394d7e diff --git a/src/org/ibex/nestedvm/UnixRuntime.java b/src/org/ibex/nestedvm/UnixRuntime.java index f5b8745..8031f58 100644 --- a/src/org/ibex/nestedvm/UnixRuntime.java +++ b/src/org/ibex/nestedvm/UnixRuntime.java @@ -1,8 +1,10 @@ +// Copyright 2000-2005 the Contributors, as shown in the revision logs. +// Licensed under the Apache Public Source License 2.0 ("the License"). +// You may not use this file except in compliance with the License. + package org.ibex.nestedvm; import org.ibex.nestedvm.util.*; -// HACK: This is ugly, this stuff needs to be in org.ibex.util or something -import org.ibex.classgen.util.Sort; import java.io.*; import java.util.*; import java.net.*; @@ -42,28 +44,9 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { if(!exec) { gs = defaultGS; String userdir = Platform.getProperty("user.dir"); - String nvroot = Platform.getProperty("nestedvm.root"); - cwd = ""; - if(userdir != null && nvroot == null) { - if(userdir.startsWith("/") && File.separatorChar == '/') { - cwd = userdir.substring(1); - } else { - Vector vec = new Vector(); - File root = HostFS.hostRootDir(); - String s = new File(userdir).getAbsolutePath(); - File d = new File(s); - System.err.println(s); - System.err.println(d); - while(!d.equals(root)) { - System.err.println("Got " + d.getName()); - vec.addElement(d.getName()); - if((s = d.getParent()) == null) break; - d = new File(s); - } - if(s != null) - for(int i=vec.size()-1;i>=0;i--) cwd += (String) vec.elementAt(i) + (i==0?"":"/"); - } - } + cwd = userdir == null ? null : gs.mapHostPath(userdir); + if(cwd == null) cwd = "/"; + cwd = cwd.substring(1); } } @@ -89,13 +72,16 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { } String[] createEnv(String[] extra) { - String[] defaults = new String[6]; + String[] defaults = new String[7]; int n=0; if(extra == null) extra = new String[0]; + String tmp; if(!envHas("USER",extra) && Platform.getProperty("user.name") != null) defaults[n++] = "USER=" + Platform.getProperty("user.name"); - if(!envHas("HOME",extra) && Platform.getProperty("user.home") != null) - defaults[n++] = "HOME=" + Platform.getProperty("user.home"); + if(!envHas("HOME",extra) && (tmp=Platform.getProperty("user.home")) != null && (tmp=gs.mapHostPath(tmp)) != null) + defaults[n++] = "HOME=" + tmp; + if(!envHas("TMPDIR",extra) && (tmp=Platform.getProperty("java.io.tmpdir")) != null && (tmp=gs.mapHostPath(tmp)) != null) + defaults[n++] = "TMPDIR=" + tmp; if(!envHas("SHELL",extra)) defaults[n++] = "SHELL=/bin/sh"; if(!envHas("TERM",extra) && !win32Hacks) defaults[n++] = "TERM=vt100"; if(!envHas("TZ",extra)) defaults[n++] = "TZ=" + posixTZ(); @@ -163,7 +149,15 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { case SYS_sendto: return sys_sendto(a,b,c,d,e,f); case SYS_recvfrom: return sys_recvfrom(a,b,c,d,e,f); case SYS_select: return sys_select(a,b,c,d,e); - + case SYS_access: return sys_access(a,b); + case SYS_realpath: return sys_realpath(a,b); + case SYS_chown: return sys_chown(a,b,c); + case SYS_lchown: return sys_chown(a,b,c); + case SYS_fchown: return sys_fchown(a,b,c); + case SYS_chmod: return sys_chmod(a,b,c); + case SYS_fchmod: return sys_fchmod(a,b,c); + case SYS_umask: return sys_umask(a); + default: return super._syscall(syscall,a,b,c,d,e,f); } } @@ -175,6 +169,38 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { private int sys_getppid() { return parent == null ? 1 : parent.pid; } + + private int sys_chown(int fileAddr, int uid, int gid) { + return 0; + } + private int sys_lchown(int fileAddr, int uid, int gid) { + return 0; + } + private int sys_fchown(int fd, int uid, int gid) { + return 0; + } + private int sys_chmod(int fileAddr, int uid, int gid) { + return 0; + } + private int sys_fchmod(int fd, int uid, int gid) { + return 0; + } + private int sys_umask(int mask) { + return 0; + } + + private int sys_access(int cstring, int mode) throws ErrnoException, ReadFaultException { + // FEATURE: sys_access + return gs.stat(this,cstring(cstring)) == null ? -ENOENT : 0; + } + + private int sys_realpath(int inAddr, int outAddr) throws FaultException { + String s = normalizePath(cstring(inAddr)); + byte[] b = getNullTerminatedBytes(s); + if(b.length > PATH_MAX) return -ERANGE; + copyout(b,outAddr,b.length); + return 0; + } // FEATURE: Signal handling // check flag only on backwards jumps to basic blocks without compulsatory checks @@ -367,7 +393,7 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { static { Method m; try { - m = Class.forName("org.ibex.nestedvm.RuntimeCompiler").getMethod("compile",new Class[]{Seekable.class,String.class}); + m = Class.forName("org.ibex.nestedvm.RuntimeCompiler").getMethod("compile",new Class[]{Seekable.class,String.class,String.class}); } catch(NoSuchMethodException e) { m = null; } catch(ClassNotFoundException e) { @@ -376,14 +402,14 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { runtimeCompilerCompile = m; } - public Class runtimeCompile(Seekable s) throws IOException { + public Class runtimeCompile(Seekable s, String sourceName) throws IOException { if(runtimeCompilerCompile == null) { if(STDERR_DIAG) System.err.println("WARNING: Exec attempted but RuntimeCompiler not found!"); return null; } try { - return (Class) runtimeCompilerCompile.invoke(null,new Object[]{s,"unixruntime"}); + return (Class) runtimeCompilerCompile.invoke(null,new Object[]{s,"unixruntime,maxinsnpermethod=256,lessconstants",sourceName}); } catch(IllegalAccessException e) { e.printStackTrace(); return null; @@ -443,7 +469,9 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { if(n < 4) s.tryReadFully(buf,n,4-n); if(buf[1] != 'E' || buf[2] != 'L' || buf[3] != 'F') return -ENOEXEC; s.seek(0); - Class c = runtimeCompile(s); + if(STDERR_DIAG) System.err.println("Running RuntimeCompiler for " + path); + Class c = runtimeCompile(s,path); + if(STDERR_DIAG) System.err.println("RuntimeCompiler finished for " + path); if(c == null) throw new ErrnoException(ENOEXEC); gs.execCache.put(path,new GlobalState.CacheEnt(mtime,size,c)); return execClass(c,argv,envp); @@ -462,13 +490,16 @@ public abstract class UnixRuntime extends Runtime implements Cloneable { if(p == buf.length) break OUTER; n = s.read(buf,p,buf.length-p); } - int arg; - for(arg=2;arg
=0;i--) {
+ FS fs = i == mps.length ? root : mps[i].fs;
+ String path = i == mps.length ? "" : mps[i].path;
+ if(!(fs instanceof HostFS)) continue;
+ File fsroot = ((HostFS)fs).getRoot();
+ if(!fsroot.isAbsolute()) fsroot = new File(fsroot.getAbsolutePath());
+ if(f.getPath().startsWith(fsroot.getPath())) {
+ char sep = File.separatorChar;
+ String child = f.getPath().substring(fsroot.getPath().length());
+ if(sep != '/') {
+ char[] child_ = child.toCharArray();
+ for(int j=0;j