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MakePEF: some cleanup

This commit is contained in:
Wolfgang Thaller 2015-09-08 22:49:59 +02:00
parent 92f168555f
commit 4851123ac6
1 changed files with 29 additions and 45 deletions
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74
PEFTools/MakePEF.cc
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@ -130,35 +130,18 @@ void mkpef(const std::string& inFn, const std::string& outFn)
in.read((char*)&aoutHeader, sizeof(aoutHeader));
in.seekg(get(xcoffHeader.f_opthdr) - sizeof(aoutHeader),std::ios_base::cur);
if(verboseFlag)
std::cerr << "flags: " << std::hex << get(xcoffHeader.f_flags) << std::dec << std::endl;
if(verboseFlag)
{
std::cerr << "flags: " << std::hex << get(xcoffHeader.f_flags) << std::dec << std::endl;
std::cerr << "symptr: " << get(xcoffHeader.f_symptr) << std::endl;
std::cerr << "nsyms: " << get(xcoffHeader.f_nsyms) << std::endl;
}
int nSections = get(xcoffHeader.f_nscns);
PEFContainerHeader pefHeader;
memset(&pefHeader,0,sizeof(pefHeader));
pefHeader.tag1 = kPEFTag1;
pefHeader.tag2 = kPEFTag2;
pefHeader.architecture = 'pwpc';
pefHeader.formatVersion = kPEFVersion;
pefHeader.sectionCount = 3; // .text, .data, .loader
pefHeader.instSectionCount = 2; // .text, .data
std::map<std::string,external_scnhdr> xcoffSections;
std::map<std::string, int> xcoffSectionNumbers;
std::map<int, std::string> xcoffSectionNames;
std::map<std::string, int> pefSectionNumbers;
pefSectionNumbers[".text"] = 0;
pefSectionNumbers[".data"] = 1;
int nSections = get(xcoffHeader.f_nscns);
for(int i=0;i<nSections;i++)
{
external_scnhdr xcoffSection;
@ -173,26 +156,15 @@ void mkpef(const std::string& inFn, const std::string& outFn)
}
xcoffSections[xcoffSection.s_name] = xcoffSection;
xcoffSectionNumbers[xcoffSection.s_name] = i+1;
xcoffSectionNames[i+1] = xcoffSection.s_name;
}
PEFLoaderInfoHeader loaderInfoHeader;
memset(&loaderInfoHeader, 0, sizeof(loaderInfoHeader));
loaderInfoHeader.mainSection = -1;
loaderInfoHeader.initSection = -1;
loaderInfoHeader.termSection = -1;
loaderInfoHeader.mainSection = 1;
loaderInfoHeader.mainOffset = get(aoutHeader.entry);
std::vector<ImportLib> importLibs;
std::vector<unsigned short> relocInstructions;
std::map<std::string, int> importSources;
std::map<std::string, int> importedSymbolIndicesByName;
std::set<std::string> importedSymbolSet;
std::vector<int> importedSymbolIndices;
int totalImportedSyms = 0;
std::vector<unsigned short> relocInstructions;
{
external_scnhdr xcoffLoaderSection = xcoffSections[".loader"];
external_ldhdr xcoffLoaderHeader;
@ -240,8 +212,6 @@ void mkpef(const std::string& inFn, const std::string& outFn)
std::cerr << "... from file: " << get(sym.l_ifile) << std::endl;
importLibs[get(sym.l_ifile)].imports.push_back(name);
importLibs[get(sym.l_ifile)].xcoffImportIndices.push_back(i);
importSources[name] = totalImportedSyms;
importedSymbolSet.insert(name);
totalImportedSyms++;
}
}
@ -250,9 +220,8 @@ void mkpef(const std::string& inFn, const std::string& outFn)
int symbolIndex = 0;
for(unsigned i=1;i<importLibs.size();i++)
{
for(unsigned j=0;j<importLibs[i].imports.size();j++)
for(unsigned j=0;j<importLibs[i].xcoffImportIndices.size();j++)
{
importedSymbolIndicesByName[importLibs[i].imports[j]] = symbolIndex;
importedSymbolIndices[importLibs[i].xcoffImportIndices[j]] = symbolIndex;
symbolIndex++;
}
@ -294,6 +263,28 @@ void mkpef(const std::string& inFn, const std::string& outFn)
}
}
PEFContainerHeader pefHeader;
memset(&pefHeader,0,sizeof(pefHeader));
pefHeader.tag1 = kPEFTag1;
pefHeader.tag2 = kPEFTag2;
pefHeader.architecture = 'pwpc';
pefHeader.formatVersion = kPEFVersion;
pefHeader.sectionCount = 3; // .text, .data, .loader
pefHeader.instSectionCount = 2; // .text, .data
PEFLoaderInfoHeader loaderInfoHeader;
memset(&loaderInfoHeader, 0, sizeof(loaderInfoHeader));
loaderInfoHeader.mainSection = -1;
loaderInfoHeader.initSection = -1;
loaderInfoHeader.termSection = -1;
loaderInfoHeader.mainSection = 1;
loaderInfoHeader.mainOffset = get(aoutHeader.entry);
PEFSectionHeader textSectionHeader, dataSectionHeader, loaderSectionHeader;
memset(&textSectionHeader, 0, sizeof(textSectionHeader));
memset(&dataSectionHeader, 0, sizeof(dataSectionHeader));
@ -321,13 +312,6 @@ void mkpef(const std::string& inFn, const std::string& outFn)
dataSectionHeader.shareKind = kPEFProcessShare;
dataSectionHeader.alignment = 2;
if(verboseFlag)
{
std::cerr << get(xcoffSections[".text"].s_size) << std::endl;
std::cerr << get(xcoffSections[".data"].s_size) << std::endl;
std::cerr << get(xcoffSections[".bss"].s_size) << std::endl;
}
std::vector<std::string> loaderStringTable;
int loaderStringTableSize = 0;