ObjFile::ObjFile(ObjFile &objfile){
this->arr = objfile.getArray();
this->size = this->arr.size();
this->path = objfile.getPath();
this->name = objfile.getName();
this->md5 = objfile.getMd5();
this->id = objfile.getId();
}
void init()
{
// Geometry shader examples
// ------------------------
// - geometry shader does nothing (just creates identical output triangle for each input triangle)
//phongShader = new Shader("../shaders/vshader_phong.glsl", "../shaders/fshader_phong.glsl", "../shaders/gshader_passthrough.glsl");
// - geometry shader does position and lighting calculation (vertex shader just passes normal and position)
//phongShader = new Shader("../shaders/vshader_phong_passthrough.glsl", "../shaders/fshader_phong.glsl", "../shaders/gshader_lightingcalc.glsl");
// - geometry shader can shrink each polygon about its center (use c/C keys) and/or explode along face normal (e/E keys)
phongShader = new Shader("../shaders/vshader_phong_passthrough_with_light.glsl", "../shaders/fshader_cel.glsl", "../shaders/gshader_explode.glsl");
// - geometry shader tesselates each input triangle into three output triangles, potentially moved along original normal (t/T keys)
//phongShader = new Shader("../shaders/vshader_phong_passthrough.glsl", "../shaders/fshader_phong.glsl", "../shaders/gshader_spikes.glsl");
//phongShader = new Shader("../shaders/vshader_phong_passthrough.glsl", "../shaders/fshader_phong.glsl", "../shaders/gshader_outline.glsl");
silhShader = new Shader("../shaders/vshader_phong_passthrough.glsl", "../shaders/fshader_silh.glsl", "../shaders/gshader_silh.glsl");
// for drawing axes
vertexColorShader = new Shader("../shaders/vshader.glsl", "../shaders/fshader.glsl");
// Load model from obj file
ObjFile* m = new ObjFile(objFileName);
initialTransform = initialTransform * Translate(-m->GetCenter());
std::string adjfilename = std::string(objFileName);
size_t lastdot = adjfilename.find_last_of(".");
if (lastdot != std::string::npos)
{
adjfilename = adjfilename.substr(0, lastdot);
}
object = new ObjectModel(m, true, adjfilename + ".adj");
currentOrientation = Scale(m->GetScaleFactor()); // initial scale for model
axesVao = new VertexArray();
axesVao->AddAttribute("vPosition", axes, 6);
axesVao->AddAttribute("vColor", colorsForAxes, 6);
camera = new Camera (vec3(0.0, 0.0, 4.0), // position
vec3(0.0, 0.0, -1.0), // forward
vec3(0.0, 1.0, 0.0), // up
1.77f, // aspect
30.0f, // fovy
0.1f, // near
1000.0f); // far
cameraControl = new CameraControl(camera);
glEnable( GL_DEPTH_TEST );
glClearColor( 0.2, 0.2, 0.2, 1.0 );
}
void BuildBrowse(ObjFile &file, ObjFactory &factory, ObjLineNo *l)
{
ObjBrowseInfo *b = factory.MakeBrowseInfo(ObjBrowseInfo::eFuncStart, ObjBrowseInfo::eExternal,
l, "hi dave");
file.Add(b);
l = factory.MakeLineNo(l->GetFile(), 27);
b = factory.MakeBrowseInfo(ObjBrowseInfo::eVariable, ObjBrowseInfo::eStatic,
l, "hi dave");
file.Add(b);
}
void LibFiles::Add(ObjFile &obj)
{
for (int i=0; i < files.size(); i++)
if (files[i]->name == obj.GetName())
{
std::cout << "Warning: module '" << files[i]->name << "' already exists in library, it won't be added" << std:: endl;
return;
}
FileDescriptor *newFile = new FileDescriptor(obj.GetName());
newFile->data = &obj;
files.push_back(newFile);
}
static void finalizeShtGroup(OutputSection *OS,
InputSection *Section) {
assert(Config->Relocatable);
// sh_link field for SHT_GROUP sections should contain the section index of
// the symbol table.
OS->Link = In.SymTab->getParent()->SectionIndex;
// sh_info then contain index of an entry in symbol table section which
// provides signature of the section group.
ObjFile<ELFT> *Obj = Section->getFile<ELFT>();
ArrayRef<Symbol *> Symbols = Obj->getSymbols();
OS->Info = In.SymTab->getSymbolIndex(Symbols[Section->Info]);
}
int main()
{
ObjIeeeIndexManager im;
ObjFactory f(&im);
ObjFile *fi = MakeData(f);
fi->ResolveSymbols(&f);
std::fstream a("hi.txt", std::fstream::trunc | std::fstream::out);
ObjIeee i("hi");
i.SetTranslatorName("Link32");
i.SetDebugInfoFlag(true);
ObjSection *sect = codeSection;
ObjExpression *left = f.MakeExpression(sect);
ObjExpression *right = f.MakeExpression(10);
ObjExpression *sa = f.MakeExpression(ObjExpression::eAdd, left, right);
i.SetStartAddress(sa);
i.Write(a, fi, &f);
a.close();
// ObjFile *fi = i->Read(a, ObjIeee::eAll, f);
ObjIeeeIndexManager im1;
ObjFactory fact1(&im1);
std::fstream b("hi.txt", std::fstream::in);
ObjIeee i1("hi");
ObjFile *fi1 = i.Read(b, ObjIeee::eAll, &fact1);
a.close();
std::fstream c("hi2.txt", std::fstream::trunc | std::fstream::out);
ObjIeee i2("hi");
i.SetTranslatorName("Link32");
i.SetDebugInfoFlag(true);
i.Write(c, fi1, &fact1);
c.close();
}
ObjFile *MakeData(ObjFactory &factory)
{
ObjFile *rv = factory.MakeFile("test.dat");
std::time_t x = std::time(0);
rv->SetFileTime(*std::localtime(&x));
ObjSourceFile *sf = factory.MakeSourceFile("test.dat");
rv->Add(sf);
ObjSourceFile *sf1 = factory.MakeSourceFile("q.dat");
rv->Add(sf1);
ObjSection *sect = factory.MakeSection("code");
codeSection = sect;
rv->Add(sect);
ObjSymbol *s1 = factory.MakePublicSymbol("public");
rv->Add(s1);
ObjSymbol *s1a = factory.MakePublicSymbol("2public");
s1a->SetBaseType(BuildType(*rv, factory));
rv->Add(s1a);
ObjSymbol *s2 = factory.MakeLocalSymbol("local");
s2->SetBaseType(factory.MakeType(ObjType::eInt));
rv->Add(s2);
ObjSymbol *s3 = factory.MakeAutoSymbol("auto");
s3->SetOffset(factory.MakeExpression(-8));
rv->Add(s3);
ObjSymbol *s4 = factory.MakeExternalSymbol("extern");
rv->Add(s4);
ObjMemory *mem = factory.MakeData((ObjByte *)"\x44\x22\x33\x11", 4);
ObjLineNo *l = factory.MakeLineNo(sf, 3);
mem->Add(factory.MakeDebugTag(l));
sect->Add(mem);
mem = factory.MakeData((ObjByte *)"\xaa\xbb\x33", 3);
mem->Add(factory.MakeDebugTag(s1));
sect->Add(mem);
mem = factory.MakeData((ObjByte *)"\xf1\x9a\x33", 3);
mem->Add(factory.MakeDebugTag(s2));
l = factory.MakeLineNo(sf1, 4);
mem->Add(factory.MakeDebugTag(l));
sect->Add(mem);
mem = factory.MakeData((ObjByte *)"\x32\x17\x33", 3);
mem->Add(factory.MakeDebugTag(s3));
sect->Add(mem);
ObjExpression *left = factory.MakeExpression(s4);
ObjExpression *right = factory.MakeExpression(7);
mem = factory.MakeFixup(factory.MakeExpression(ObjExpression::eAdd, left, right), 4);
sect->Add(mem);
mem = factory.MakeData((ObjByte *)"\x55\x44\x33", 3);
mem->Add(factory.MakeDebugTag(s4));
mem->Add(factory.MakeDebugTag(s1a));
sect->Add(mem);
BuildBrowse(*rv, factory, l);
ObjExportSymbol *es = factory.MakeExportSymbol("export");
es->SetExternalName("myexport");
es->SetByOrdinal(false);
rv->Add(es);
ObjExportSymbol *es1 = factory.MakeExportSymbol("export1");
es1->SetOrdinal(500);
es1->SetByOrdinal(true);
rv->Add(es1);
ObjImportSymbol *is = factory.MakeImportSymbol("import");
is->SetExternalName("myimport");
is->SetDllName("mydll");
rv->Add(is);
ObjImportSymbol *is1 = factory.MakeImportSymbol("import1");
is1->SetByOrdinal(true);
is1->SetOrdinal(512);
is1->SetDllName("mydll");
rv->Add(is1);
return rv;
}
ObjFile *CoffFile::ConvertToObject(std::string outputName, ObjFactory &factory)
{
ObjFile *fil = new ObjFile(outputName);
std::vector<ObjSection *> objectSections;
std::map<int, ObjSymbol *> externalMapping;
// Create the sections;
for (int i=0; i < header.NumberOfSections; i++)
{
if (!(sections[i].Characteristics & (IMAGE_SCN_LNK_REMOVE | IMAGE_SCN_LNK_INFO)) && strnicmp(sections[i].Name, ".debug", 6))
{
std::string sectname = GetSectionName(i);
ObjSection * sect = factory.MakeSection(sectname);
CoffSectionAux *aux = (CoffSectionAux *)& sectionSymbols[i][1];
sect->SetSize(new ObjExpression(aux->Length));
sect->SetAlignment(IMAGE_SCN_ALIGN(sections[i].Characteristics));
sect->SetQuals(GetSectionQualifiers(i));
fil->Add(sect);
objectSections.push_back(sect);
}
else
{
objectSections.push_back(NULL);
}
}
// dump comdefs
for (int i=1; i < header.NumberOfSymbols; i+= symbols[i].NumberOfAuxSymbols + 1)
{
if (symbols[i].SectionNumber > header.NumberOfSections && symbols[i].StorageClass == IMAGE_SYM_CLASS_EXTERNAL && symbols[i].Value)
{
char *sname = symbols[i].Name;
std::string symbolName;
if (*(unsigned *)sname == 0)
{
symbolName = strings + *(unsigned *)(sname + 4);
}
else
{
symbolName = symbols[i].Name;
if (symbolName.size() > 8)
symbolName = symbolName.substr(0, 8);
}
symbolName = std::string("vsb") + symbolName;
ObjSection * sect = factory.MakeSection(symbolName);
sect->SetSize(new ObjExpression(symbols[i].Value));
sect->SetAlignment(8);
sect->SetQuals(ObjSection::ram | ObjSection::max | ObjSection::virt);
fil->Add(sect);
objectSections.push_back(sect);
}
}
// create the symbols
for (int i=0; i < header.NumberOfSymbols; i+= symbols[i].NumberOfAuxSymbols + 1)
{
if (symbols[i].StorageClass == IMAGE_SYM_CLASS_EXTERNAL && symbols[i].SectionNumber <= header.NumberOfSections)
{
if (symbols[i].SectionNumber <= 0 || (((CoffSectionAux *)§ionSymbols[symbols[i].SectionNumber-1][1])->Selection <= 1))
{
char *sname = symbols[i].Name;
std::string symbolName;
if (*(unsigned *)sname == 0)
{
symbolName = strings + *(unsigned *)(sname + 4);
if (symbolName == "_WinMain@16")
symbolName = "WinMain";
}
else
{
symbolName = symbols[i].Name;
if (symbolName.size() > 8)
symbolName = symbolName.substr(0, 8);
}
if (symbols[i].SectionNumber == -1)
{
ObjSymbol *symbol = factory.MakePublicSymbol(symbolName);
ObjExpression *exp = new ObjExpression(symbols[i].Value);
symbol->SetOffset(exp);
fil->Add(symbol);
}
else if (symbols[i].SectionNumber)
{
ObjSymbol *symbol = factory.MakePublicSymbol(symbolName);
ObjExpression *exp = new ObjExpression(ObjExpression::eAdd, new ObjExpression(objectSections[symbols[i].SectionNumber-1]), new ObjExpression(symbols[i].Value));
symbol->SetOffset(exp);
fil->Add(symbol);
}
else
{
ObjSymbol *symbol = factory.MakeExternalSymbol(symbolName);
externalMapping[i] = symbol;
fil->Add(symbol);
}
}
}
}
// dump data to the sections
for (int i=0; i < header.NumberOfSections; i++)
{
if (objectSections[i])
{
int len = sections[i].SizeOfRawData;
if (len)
{
inputFile->seekg(sections[i].PointerToRawData + libOffset);
int relocCount = sections[i].NumberOfRelocations;
CoffReloc * relocPointer = relocs[i];
if (relocCount == 0xffff && (sections[i].Characteristics & IMAGE_SCN_LNK_NRELOC_OVFL))
{
relocCount = relocPointer[0].VirtualAddress;
relocPointer++;
}
unsigned offset = 0;
inputFile->clear();
while (offset < sections[i].SizeOfRawData)
{
if (!relocCount)
{
ObjByte *data = new ObjByte[sections[i].SizeOfRawData-offset];
inputFile->read((char *)data, sections[i].SizeOfRawData-offset);
if (inputFile->fail())
{
return NULL;
}
ObjMemory *newMem = new ObjMemory(data, sections[i].SizeOfRawData-offset);
objectSections[i]->Add(newMem);
offset = sections[i].SizeOfRawData;
}
else
{
unsigned fixupOffset;
int n = relocPointer->VirtualAddress - offset;
if (n)
{
ObjByte *data = new ObjByte[n];
inputFile->read((char *)data, n);
if (inputFile->fail())
{
return NULL;
}
ObjMemory *newMem = new ObjMemory(data, n);
objectSections[i]->Add(newMem);
}
inputFile->read((char *)&fixupOffset, sizeof(unsigned));
if (inputFile->fail())
{
return NULL;
}
switch (relocPointer->Type)
{
ObjExpression *fixupExpr;
case IMAGE_REL_I386_DIR32:
case IMAGE_REL_I386_REL32:
if (symbols[relocPointer->SymbolTableIndex].StorageClass == IMAGE_SYM_CLASS_EXTERNAL)
{
if (symbols[relocPointer->SymbolTableIndex].SectionNumber == 0)
{
// external
fixupExpr = new ObjExpression(externalMapping[relocPointer->SymbolTableIndex]);
}
else if (symbols[relocPointer->SymbolTableIndex].SectionNumber > header.NumberOfSections)
{
fixupExpr = new ObjExpression(ObjExpression::eAdd, new ObjExpression(objectSections[symbols[relocPointer->SymbolTableIndex].SectionNumber-1]), new ObjExpression(0));
}
else
{
// public
fixupExpr = new ObjExpression(ObjExpression::eAdd, new ObjExpression(objectSections[symbols[relocPointer->SymbolTableIndex].SectionNumber-1]), new ObjExpression(symbols[relocPointer->SymbolTableIndex].Value));
}
}
else
{
// local static
fixupExpr = new ObjExpression(ObjExpression::eAdd, new ObjExpression(objectSections[symbols[relocPointer->SymbolTableIndex].SectionNumber-1]), new ObjExpression(symbols[relocPointer->SymbolTableIndex].Value));
}
if (relocPointer->Type == IMAGE_REL_I386_REL32)
{
fixupExpr = new ObjExpression(ObjExpression::eAdd, fixupExpr, new ObjExpression(fixupOffset - 4));
fixupExpr = new ObjExpression(ObjExpression::eSub, fixupExpr, new ObjExpression(ObjExpression::ePC) );
}
else if (fixupOffset)
{
fixupExpr = new ObjExpression(ObjExpression::eAdd, fixupExpr, new ObjExpression(fixupOffset));
}
objectSections[i]->Add(new ObjMemory(fixupExpr, 4));
break;
default:
std::cout << "Invalid relocation" << std::endl;
return NULL;
}
offset += n + 4;
relocPointer++;
relocCount--;
}
}
}
}
}
for (int i=1; i < header.NumberOfSymbols; i+= symbols[i].NumberOfAuxSymbols + 1)
{
if (symbols[i].SectionNumber > header.NumberOfSections && symbols[i].StorageClass == IMAGE_SYM_CLASS_EXTERNAL && symbols[i].Value)
{
int n = symbols[i].SectionNumber-1;
ObjByte *data = new ObjByte[symbols[i].Value];
memset(data,0, symbols[i].Value);
ObjMemory *newMem = new ObjMemory(data, symbols[i].Value);
objectSections[n]->Add(newMem);
}
}
return fil;
}
static ArrayRef<uint8_t> getSectionContents(ObjFile<ELFT> &File,
const typename ELFT::Shdr &Hdr) {
if (Hdr.sh_type == SHT_NOBITS)
return makeArrayRef<uint8_t>(nullptr, Hdr.sh_size);
return check(File.getObj().getSectionContents(&Hdr));
}
void StructuralReports::
saveMaterialBoundariesBeta_2(const GridDescription & grid,
const VoxelizedPartition & vp)
{
ObjFile objFile;
int ii,jj,kk;
ostringstream foutname;
foutname << grid.name() << "_faces.obj";
ofstream fout(foutname.str().c_str());
const Map<Paint*, SetupUpdateEquationPtr> materials(vp.setupMaterials());
map<Paint*, SetupUpdateEquationPtr>::const_iterator itr;
const VoxelGrid & vg(vp.voxels());
//const StructureGrid& grid = *mStructureGrid;
// We'll write the materials one at a time.
for (itr = materials.begin(); itr != materials.end(); itr++)
if ( (*itr).first == (*itr).first->withoutModifications())
{
Paint* paint = (*itr).first;
SetupUpdateEquationPtr mat = (*itr).second;
string name = paint->fullName();
Rect3i roi = grid.nonPMLHalfCells();
Paint* lastMat;
Paint* curMat;
LOGF << "Considering material " << name << endl;
//fout << name << endl;
vector<OrientedRect3i> xFaces;
vector<OrientedRect3i> yFaces;
vector<OrientedRect3i> zFaces;
// Do all the face determination stuff
{
// X-normal faces
// a. Bottom layer
ii = roi.p1[0];
for (kk = roi.p1[2]; kk <= roi.p2[2]; kk++)
for (jj = roi.p1[1]; jj <= roi.p2[1]; jj++)
{
curMat = vg(ii, jj, kk);
if (curMat == paint)
{
xFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii,jj+1,kk+1),
Vector3i(-1, 0, 0)) );
}
}
// b. Top layer
ii = roi.p2[0];
for (kk = roi.p1[2]; kk <= roi.p2[2]; kk++)
for (jj = roi.p1[1]; jj <= roi.p2[1]; jj++)
{
curMat = vg(ii, jj, kk);
if (curMat == paint)
{
xFaces.push_back( OrientedRect3i(
Rect3i(ii+1,jj,kk,ii+1,jj+1,kk+1),
Vector3i(1,0,0) ));
}
}
// c. Middle (careful about X direction for-loop limits)
for (ii = roi.p1[0]+1; ii <= roi.p2[0]; ii++)
for (kk = roi.p1[2]; kk <= roi.p2[2]; kk++)
for (jj = roi.p1[1]; jj <= roi.p2[1]; jj++)
{
lastMat = vg(ii-1, jj, kk);
curMat = vg(ii, jj, kk);
if (lastMat == paint && curMat != paint)
{
xFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii,jj+1,kk+1),
Vector3i(1, 0, 0)) );
}
else if (lastMat != paint && curMat == paint)
{
xFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii,jj+1,kk+1),
Vector3i(-1,0,0) ));
}
}
// Y-normal faces
// a. Top layer
jj = roi.p1[1];
for (ii = roi.p1[0]; ii <= roi.p2[0]; ii++)
for (kk = roi.p1[2]; kk <= roi.p2[2]; kk++)
{
curMat = vg(ii, jj, kk);
if (curMat == paint)
{
yFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii+1,jj,kk+1),
Vector3i(0, -1, 0) ));
}
}
// b. Bottom layer
jj = roi.p2[1];
for (ii = roi.p1[0]; ii <= roi.p2[0]; ii++)
for (kk = roi.p1[2]; kk <= roi.p2[2]; kk++)
{
curMat = vg(ii, jj, kk);
if (curMat == paint)
{
yFaces.push_back( OrientedRect3i(
Rect3i(ii,jj+1,kk,ii+1,jj+1,kk+1),
Vector3i(0, 1, 0) ));
}
}
// c. Middle (careful about X direction for-loop limits)
for (jj = roi.p1[1]+1; jj <= roi.p2[1]; jj++)
for (ii = roi.p1[0]; ii <= roi.p2[0]; ii++)
for (kk = roi.p1[2]; kk <= roi.p2[2]; kk++)
{
lastMat = vg(ii, jj-1, kk);
curMat = vg(ii, jj, kk);
if (lastMat == paint && curMat != paint)
{
yFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii+1,jj,kk+1),
Vector3i(0, 1, 0) ));
}
else if (lastMat != paint && curMat == paint)
{
yFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii+1,jj,kk+1),
Vector3i(0, -1, 0) ));
}
}
// Z-normal faces
// a. Top layer
kk = roi.p1[2];
for (jj = roi.p1[1]; jj <= roi.p2[1]; jj++)
for (ii = roi.p1[0]; ii <= roi.p2[0]; ii++)
{
curMat = vg(ii, jj, kk);
if (curMat == paint)
{
zFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii+1,jj+1,kk),
Vector3i(0, 0, -1) ));
}
}
// b. Bottom layer
kk = roi.p2[2];
for (jj = roi.p1[1]; jj <= roi.p2[1]; jj++)
for (ii = roi.p1[0]; ii <= roi.p2[0]; ii++)
{
curMat = vg(ii, jj, kk);
if (curMat == paint)
{
zFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk+1,ii+1,jj+1,kk+1),
Vector3i(0, 0, 1) ));
}
}
// c. Middle (careful about X direction for-loop limits)
for (kk = roi.p1[2]+1; kk <= roi.p2[2]; kk++)
for (jj = roi.p1[1]; jj <= roi.p2[1]; jj++)
for (ii = roi.p1[0]; ii <= roi.p2[0]; ii++)
{
lastMat = vg(ii, jj, kk-1);
curMat = vg(ii, jj, kk);
if (lastMat == paint && curMat != paint)
{
zFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii+1,jj+1,kk),
Vector3i(0, 0, 1) ));
}
else if (lastMat != paint && curMat == paint)
{
zFaces.push_back( OrientedRect3i(
Rect3i(ii,jj,kk,ii+1,jj+1,kk),
Vector3i(0, 0, -1) ));
}
}
}
// Now try to consolidate a little bit.
list<OrientedRect3i> xCompressed;
list<OrientedRect3i> yCompressed;
list<OrientedRect3i> zCompressed;
consolidateRects(xFaces, xCompressed, 0);
consolidateRects(yFaces, yCompressed, 1);
consolidateRects(zFaces, zCompressed, 2);
/*
ostream_iterator<OrientedRect3i> fout_itr(fout, "\n");
copy(xCompressed.begin(), xCompressed.end(), fout_itr);
copy(yCompressed.begin(), yCompressed.end(), fout_itr);
copy(zCompressed.begin(), zCompressed.end(), fout_itr);
*/
objFile.appendGroup(name, xCompressed);
objFile.appendGroup(name, yCompressed);
objFile.appendGroup(name, zCompressed);
}
objFile.write(fout, -grid.origin(), 0.5*grid.dxyz());
//objFile.write(fout, 0.5); // The scale factor 0.5 undoes half-cells.
fout.close();
}
void Writer::assignIndexes() {
assert(InputFunctions.empty());
uint32_t FunctionIndex = NumImportedFunctions;
auto AddDefinedFunction = [&](InputFunction *Func) {
if (!Func->Live)
return;
InputFunctions.emplace_back(Func);
Func->setFunctionIndex(FunctionIndex++);
};
for (InputFunction *Func : Symtab->SyntheticFunctions)
AddDefinedFunction(Func);
for (ObjFile *File : Symtab->ObjectFiles) {
LLVM_DEBUG(dbgs() << "Functions: " << File->getName() << "\n");
for (InputFunction *Func : File->Functions)
AddDefinedFunction(Func);
}
uint32_t TableIndex = TableBase;
auto HandleRelocs = [&](InputChunk *Chunk) {
if (!Chunk->Live)
return;
ObjFile *File = Chunk->File;
ArrayRef<WasmSignature> Types = File->getWasmObj()->types();
for (const WasmRelocation &Reloc : Chunk->getRelocations()) {
if (Reloc.Type == R_WASM_TABLE_INDEX_I32 ||
Reloc.Type == R_WASM_TABLE_INDEX_SLEB) {
FunctionSymbol *Sym = File->getFunctionSymbol(Reloc.Index);
if (Sym->hasTableIndex() || !Sym->hasFunctionIndex())
continue;
Sym->setTableIndex(TableIndex++);
IndirectFunctions.emplace_back(Sym);
} else if (Reloc.Type == R_WASM_TYPE_INDEX_LEB) {
// Mark target type as live
File->TypeMap[Reloc.Index] = registerType(Types[Reloc.Index]);
File->TypeIsUsed[Reloc.Index] = true;
}
}
};
for (ObjFile *File : Symtab->ObjectFiles) {
LLVM_DEBUG(dbgs() << "Handle relocs: " << File->getName() << "\n");
for (InputChunk *Chunk : File->Functions)
HandleRelocs(Chunk);
for (InputChunk *Chunk : File->Segments)
HandleRelocs(Chunk);
for (auto &P : File->CustomSections)
HandleRelocs(P);
}
assert(InputGlobals.empty());
uint32_t GlobalIndex = NumImportedGlobals;
auto AddDefinedGlobal = [&](InputGlobal *Global) {
if (Global->Live) {
LLVM_DEBUG(dbgs() << "AddDefinedGlobal: " << GlobalIndex << "\n");
Global->setGlobalIndex(GlobalIndex++);
InputGlobals.push_back(Global);
}
};
for (InputGlobal *Global : Symtab->SyntheticGlobals)
AddDefinedGlobal(Global);
for (ObjFile *File : Symtab->ObjectFiles) {
LLVM_DEBUG(dbgs() << "Globals: " << File->getName() << "\n");
for (InputGlobal *Global : File->Globals)
AddDefinedGlobal(Global);
}
assert(InputEvents.empty());
uint32_t EventIndex = NumImportedEvents;
auto AddDefinedEvent = [&](InputEvent *Event) {
if (Event->Live) {
LLVM_DEBUG(dbgs() << "AddDefinedEvent: " << EventIndex << "\n");
Event->setEventIndex(EventIndex++);
InputEvents.push_back(Event);
}
};
for (ObjFile *File : Symtab->ObjectFiles) {
LLVM_DEBUG(dbgs() << "Events: " << File->getName() << "\n");
for (InputEvent *Event : File->Events)
AddDefinedEvent(Event);
}
}
