// end of accessor methods
public ArmElfReader(ArmFileInfo af)
{
this.af = af;
this.fileName = af.FileName;
SourceFileName = null;
openFile();
}
public ArmElfReader(ArmFileInfo af, FileStream fs)
{
this.af = af;
this.fileName = af.FileName;
SourceFileName = null;
this.fs = fs;
fsOrigin = fs.Position;
openFile();
}
// placement for one main section type in one file
private void performPlacement( SectionType st, ArmFileInfo fileInfo ) {
fileInfo.SectionAddress[(int)st] = nextFreeAddress;
int size = fileInfo.SectionSize[(int)st];
// place the labels in this section only
foreach( SyEntry sy in fileInfo.LocalSymTable.Values ) {
if (sy.Kind != SymbolKind.Label) continue;
if (sy.Section != st) continue;
if (sy.Subsection != 0)
throw new AsmException("internal error in performPlacement, 2");
sy.SymValue += nextFreeAddress;
}
nextFreeAddress += size;
nextFreeAddress = (int)(((uint)nextFreeAddress + 3) & 0xFFFFFFFC);
}
// perform next pass over the i-th file in the list
private void processFile(int i)
{
string currFileName = fileList[i];
if (currFileName == null)
{
Debug.WriteLine("error? -- missing file name");
return;
}
if (!File.Exists(currFileName))
{
throw new AsmException("Cannot access file " + currFileName);
}
ArmFileInfo fileInfo = FileInfoTable[i];
switch (getSuffix(currFileName))
{
case ".s":
// process ARM assembly language file by invoking the CodeSourcery version
// of Gnu's as program, translating it into a .o file -- then the .o file
// is handled in the same way as any .o file
bool asmOK = true;
if (pass == 1)
{
string objFileName = mapSrcToTempObj(currFileName);
asmOK = runAssembler(currFileName, objFileName);
if (asmOK)
{
fileInfo = new ObjFromAsmFileInfo(objFileName, currFileName,
listing, symTabListing, globalSymbols, externSymbols);
}
else
{
fileInfo = new AsmFileInfo(currFileName, globalSymbols, externSymbols);
}
FileInfoTable[i] = fileInfo;
listing.Clear();
symTabListing.Clear();
}
else
{
fileInfo.ProgramSpace = ap;
}
if (fileInfo.Pass < pass && asmOK)
{
fileInfo.Pass = pass;
fileInfo.StartPass();
}
break;
case ".o": // object code file
case ".o)": // member of a library archive
// process ELF format object code file
if (fileInfo == null)
{
fileInfo = new ObjFileInfo(currFileName, globalSymbols, externSymbols);
FileInfoTable[i] = fileInfo;
}
if (pass == 2)
{
fileInfo.ProgramSpace = ap;
}
if (fileInfo.Pass < pass)
{
fileInfo.Pass = pass;
fileInfo.StartPass();
}
break;
case ".a":
// accept a Gnu format archive file containing ELF object code members
if (fileInfo == null)
{
searchLibrary(currFileName);
}
else
{
throw new AsmException(
"unexpected library file in pass 2: {0}", currFileName);
}
break;
default:
throw new AsmException("unsupported file type ({0})", currFileName);
}
}
// perform next pass over the i-th file in the list
private void processFile(int i)
{
string currFileName = fileList[i];
if (currFileName == null)
{
Debug.WriteLine("error? -- missing file name");
return;
}
// Bill M. was here. We do NOT want to check for the existence of the files here.
// As libraries are scanned the file list increases, and the names of the fuctions
// from the library is added to the filename. Thus, bring in "printf" or something
// and you get "libc.a(printf.o)" which does not exist.
// if (!File.Exists(currFileName))
// throw new AsmException("Cannot access the file named \"" + currFileName + "\"");
ArmFileInfo fileInfo = FileInfoTable[i];
switch (getSuffix(currFileName))
{
case ".s":
// process ARM assembly language file by invoking the CodeSourcery version
// of Gnu's as program, translating it into a .o file -- then the .o file
// is handled in the same way as any .o file
bool asmOK = true;
if (pass == 1)
{
string objFileName = mapSrcToTempObj(currFileName);
asmOK = runAssembler(currFileName, objFileName);
if (asmOK)
{
fileInfo = new ObjFromAsmFileInfo(objFileName, currFileName,
listing, symTabListing, globalSymbols, externSymbols);
}
else
{
fileInfo = new AsmFileInfo(currFileName, globalSymbols, externSymbols);
}
FileInfoTable[i] = fileInfo;
listing.Clear();
symTabListing.Clear();
}
else
{
fileInfo.ProgramSpace = ap;
}
if (fileInfo.Pass < pass && asmOK)
{
fileInfo.Pass = pass;
fileInfo.StartPass();
}
break;
case ".o": // object code file
case ".o)": // member of a library archive
// process ELF format object code file
if (fileInfo == null)
{
fileInfo = new ObjFileInfo(currFileName, globalSymbols, externSymbols);
FileInfoTable[i] = fileInfo;
}
if (pass == 2)
{
fileInfo.ProgramSpace = ap;
}
if (fileInfo.Pass < pass)
{
fileInfo.Pass = pass;
fileInfo.StartPass();
}
break;
case ".a":
// accept a Gnu format archive file containing ELF object code members
if (fileInfo == null)
{
searchLibrary(currFileName);
}
else
{
throw new AsmException(
"unexpected library file in pass 2: {0}", currFileName);
}
break;
default:
throw new AsmException("unsupported file type ({0})", currFileName);
}
}