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COMP: Fix cmELF to build when ET_LOOS, ET_HIOS, ET_LOPROC, ET_HIPROC may not be defined.

This commit is contained in:
Brad King 2008-03-03 08:48:37 -05:00
parent 137618c37c
commit e98ee8cf70
1 changed files with 39 additions and 19 deletions
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58
Source/cmELF.cxx
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@ -334,6 +334,29 @@ private:
}
}
bool FileTypeValid(ELF_Half et)
{
unsigned int eti = static_cast<unsigned int>(et);
if(eti == ET_NONE || eti == ET_REL || eti == ET_EXEC ||
eti == ET_DYN || eti == ET_CORE)
{
return true;
}
#if defined(ET_LOOS) && defined(ET_HIOS)
if(eti >= ET_LOOS && eti <= ET_HIOS)
{
return true;
}
#endif
#if defined(ET_LOPROC) && defined(ET_HIPROC)
if(eti >= ET_LOPROC && eti <= ET_HIPROC)
{
return true;
}
#endif
return false;
}
bool Read(ELF_Ehdr& x)
{
// Read the header from the file.
@ -353,18 +376,10 @@ private:
{
cmELFByteSwap(et);
}
unsigned int eti = static_cast<unsigned int>(et);
if(!(eti == ET_NONE || eti == ET_REL || eti == ET_EXEC ||
eti == ET_DYN || eti == ET_CORE ||
(eti >= ET_LOOS && eti <= ET_HIOS) ||
(eti >= ET_LOPROC && eti <= ET_HIPROC)))
if(!this->FileTypeValid(et))
{
cmELFByteSwap(et);
eti = static_cast<unsigned int>(et);
if(eti == ET_NONE || eti == ET_REL || eti == ET_EXEC ||
eti == ET_DYN || eti == ET_CORE ||
(eti >= ET_LOOS && eti <= ET_HIOS) ||
(eti >= ET_LOPROC && eti <= ET_HIPROC))
if(this->FileTypeValid(et))
{
// The previous byte order guess was wrong. Flip it.
this->NeedSwap = !this->NeedSwap;
@ -446,7 +461,7 @@ cmELFInternalImpl<Types>
switch(this->ELFHeader.e_type)
{
case ET_NONE:
this->SetErrorMessage("No ELF file type.");
this->SetErrorMessage("ELF file type is NONE.");
return;
case ET_REL:
this->ELFType = cmELF::FileTypeRelocatableObject;
@ -461,22 +476,27 @@ cmELFInternalImpl<Types>
this->ELFType = cmELF::FileTypeCore;
break;
default:
unsigned int et = static_cast<unsigned int>(this->ELFHeader.e_type);
if(et >= ET_LOOS && et <= ET_HIOS)
{
unsigned int eti = static_cast<unsigned int>(this->ELFHeader.e_type);
#if defined(ET_LOOS) && defined(ET_HIOS)
if(eti >= ET_LOOS && eti <= ET_HIOS)
{
this->ELFType = cmELF::FileTypeSpecificOS;
break;
}
else if(et >= ET_LOPROC && et <= ET_HIPROC)
#endif
#if defined(ET_LOPROC) && defined(ET_HIPROC)
if(eti >= ET_LOPROC && eti <= ET_HIPROC)
{
this->ELFType = cmELF::FileTypeSpecificProc;
break;
}
else
{
this->SetErrorMessage("Unknown ELF file type.");
return;
}
#endif
cmOStringStream e;
e << "Unknown ELF file type " << eti;
this->SetErrorMessage(e.str().c_str());
return;
}
}
// Load the section headers.