void BinObject::DirSection(DirectiveInfo& info, Diagnostic& diags) { assert(info.isObject(m_object)); NameValues& nvs = info.getNameValues(); SourceLocation source = info.getSource(); NameValue& sectname_nv = nvs.front(); if (!sectname_nv.isString()) { diags.Report(sectname_nv.getValueRange().getBegin(), diag::err_value_string_or_id); return; } llvm::StringRef sectname = sectname_nv.getString(); Section* sect = m_object.FindSection(sectname); bool first = true; if (sect) first = sect->isDefault(); else sect = AppendSection(sectname, source, diags); m_object.setCurSection(sect); sect->setDefault(false); // No name/values, so nothing more to do if (nvs.size() <= 1) return; // Ignore flags if we've seen this section before if (!first) { diags.Report(info.getSource(), diag::warn_section_redef_flags); return; } // Parse section flags bool has_follows = false, has_vfollows = false; bool has_start = false, has_vstart = false; std::auto_ptr<Expr> start(0); std::auto_ptr<Expr> vstart(0); BinSection* bsd = sect->getAssocData<BinSection>(); assert(bsd); unsigned long bss = sect->isBSS(); unsigned long code = sect->isCode(); DirHelpers helpers; helpers.Add("follows", true, TR1::bind(&DirString, _1, _2, &bsd->follows, &has_follows)); helpers.Add("vfollows", true, TR1::bind(&DirString, _1, _2, &bsd->vfollows, &has_vfollows)); helpers.Add("start", true, TR1::bind(&DirExpr, _1, _2, &m_object, &start, &has_start)); helpers.Add("vstart", true, TR1::bind(&DirExpr, _1, _2, &m_object, &vstart, &has_vstart)); helpers.Add("align", true, TR1::bind(&DirIntNumPower2, _1, _2, &m_object, &bsd->align, &bsd->has_align)); helpers.Add("valign", true, TR1::bind(&DirIntNumPower2, _1, _2, &m_object, &bsd->valign, &bsd->has_valign)); helpers.Add("nobits", false, TR1::bind(&DirSetFlag, _1, _2, &bss, 1)); helpers.Add("progbits", false, TR1::bind(&DirClearFlag, _1, _2, &bss, 1)); helpers.Add("code", false, TR1::bind(&DirSetFlag, _1, _2, &code, 1)); helpers.Add("data", false, TR1::bind(&DirClearFlag, _1, _2, &code, 1)); helpers.Add("execute", false, TR1::bind(&DirSetFlag, _1, _2, &code, 1)); helpers.Add("noexecute", false, TR1::bind(&DirClearFlag, _1, _2, &code, 1)); helpers(++nvs.begin(), nvs.end(), info.getSource(), diags, DirNameValueWarn); if (start.get() != 0) { bsd->start.reset(start.release()); bsd->start_source = source; } if (vstart.get() != 0) { bsd->vstart.reset(vstart.release()); bsd->vstart_source = source; } if (bsd->start.get() != 0 && !bsd->follows.empty()) { diags.Report(info.getSource(), diags.getCustomDiagID(Diagnostic::Error, "cannot combine '%0' and '%1' section attributes")) << "START" << "FOLLOWS"; } if (bsd->vstart.get() != 0 && !bsd->vfollows.empty()) { diags.Report(info.getSource(), diags.getCustomDiagID(Diagnostic::Error, "cannot combine '%0' and '%1' section attributes")) << "VSTART" << "VFOLLOWS"; } sect->setBSS(bss); sect->setCode(code); }
void XdfObject::DirSection(DirectiveInfo& info, Diagnostic& diags) { assert(info.isObject(m_object)); NameValues& nvs = info.getNameValues(); NameValue& sectname_nv = nvs.front(); if (!sectname_nv.isString()) { diags.Report(sectname_nv.getValueRange().getBegin(), diag::err_value_string_or_id); return; } llvm::StringRef sectname = sectname_nv.getString(); Section* sect = m_object.FindSection(sectname); bool first = true; if (sect) first = sect->isDefault(); else sect = AppendSection(sectname, info.getSource(), diags); XdfSection* xsect = sect->getAssocData<XdfSection>(); assert(xsect != 0); m_object.setCurSection(sect); sect->setDefault(false); if (xsect->bits != 0) m_object.getArch()->setVar("mode_bits", xsect->bits); // reapply // No name/values, so nothing more to do if (nvs.size() <= 1) return; // Ignore flags if we've seen this section before if (!first) { diags.Report(info.getSource(), diag::warn_section_redef_flags); return; } // Parse section flags IntNum align; bool has_align = false; unsigned long bss = sect->isBSS(); unsigned long code = sect->isCode(); IntNum vma = sect->getVMA(); IntNum lma = sect->getLMA(); unsigned long flat = xsect->flat; DirHelpers helpers; helpers.Add("use16", false, TR1::bind(&DirResetFlag, _1, _2, &xsect->bits, 16)); helpers.Add("use32", false, TR1::bind(&DirResetFlag, _1, _2, &xsect->bits, 32)); helpers.Add("use64", false, TR1::bind(&DirResetFlag, _1, _2, &xsect->bits, 64)); helpers.Add("bss", false, TR1::bind(&DirSetFlag, _1, _2, &bss, 1)); helpers.Add("nobss", false, TR1::bind(&DirClearFlag, _1, _2, &bss, 1)); helpers.Add("code", false, TR1::bind(&DirSetFlag, _1, _2, &code, 1)); helpers.Add("data", false, TR1::bind(&DirClearFlag, _1, _2, &code, 1)); helpers.Add("flat", false, TR1::bind(&DirSetFlag, _1, _2, &flat, 1)); helpers.Add("noflat", false, TR1::bind(&DirClearFlag, _1, _2, &flat, 1)); helpers.Add("absolute", true, TR1::bind(&DirIntNum, _1, _2, &m_object, &lma, &xsect->has_addr)); helpers.Add("virtual", true, TR1::bind(&DirIntNum, _1, _2, &m_object, &vma, &xsect->has_vaddr)); helpers.Add("align", true, TR1::bind(&DirIntNumPower2, _1, _2, &m_object, &align, &has_align)); helpers(++nvs.begin(), nvs.end(), info.getSource(), diags, DirNameValueWarn); if (has_align) { unsigned long aligni = align.getUInt(); // Check to see if alignment is supported size // FIXME: Use actual value source location if (aligni > 4096) { diags.Report(info.getSource(), diags.getCustomDiagID(Diagnostic::Error, "XDF does not support alignments > 4096")); } sect->setAlign(aligni); } sect->setBSS(bss); sect->setCode(code); sect->setVMA(vma); sect->setLMA(lma); xsect->flat = flat; if (xsect->bits != 0) m_object.getArch()->setVar("mode_bits", xsect->bits); }