aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm/tools/lld/ELF/OutputSections.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/tools/lld/ELF/OutputSections.cpp')
-rw-r--r--contrib/llvm/tools/lld/ELF/OutputSections.cpp442
1 files changed, 213 insertions, 229 deletions
diff --git a/contrib/llvm/tools/lld/ELF/OutputSections.cpp b/contrib/llvm/tools/lld/ELF/OutputSections.cpp
index c1442c078736..a89bd509bc96 100644
--- a/contrib/llvm/tools/lld/ELF/OutputSections.cpp
+++ b/contrib/llvm/tools/lld/ELF/OutputSections.cpp
@@ -1,9 +1,8 @@
//===- OutputSections.cpp -------------------------------------------------===//
//
-// The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
@@ -31,47 +30,46 @@ using namespace llvm::ELF;
using namespace lld;
using namespace lld::elf;
-uint8_t Out::First;
-PhdrEntry *Out::TlsPhdr;
-OutputSection *Out::ElfHeader;
-OutputSection *Out::ProgramHeaders;
-OutputSection *Out::PreinitArray;
-OutputSection *Out::InitArray;
-OutputSection *Out::FiniArray;
+uint8_t *Out::bufferStart;
+uint8_t Out::first;
+PhdrEntry *Out::tlsPhdr;
+OutputSection *Out::elfHeader;
+OutputSection *Out::programHeaders;
+OutputSection *Out::preinitArray;
+OutputSection *Out::initArray;
+OutputSection *Out::finiArray;
-std::vector<OutputSection *> elf::OutputSections;
+std::vector<OutputSection *> elf::outputSections;
uint32_t OutputSection::getPhdrFlags() const {
- uint32_t Ret = 0;
- if (Config->EMachine != EM_ARM || !(Flags & SHF_ARM_PURECODE))
- Ret |= PF_R;
- if (Flags & SHF_WRITE)
- Ret |= PF_W;
- if (Flags & SHF_EXECINSTR)
- Ret |= PF_X;
- return Ret;
+ uint32_t ret = 0;
+ if (config->emachine != EM_ARM || !(flags & SHF_ARM_PURECODE))
+ ret |= PF_R;
+ if (flags & SHF_WRITE)
+ ret |= PF_W;
+ if (flags & SHF_EXECINSTR)
+ ret |= PF_X;
+ return ret;
}
template <class ELFT>
-void OutputSection::writeHeaderTo(typename ELFT::Shdr *Shdr) {
- Shdr->sh_entsize = Entsize;
- Shdr->sh_addralign = Alignment;
- Shdr->sh_type = Type;
- Shdr->sh_offset = Offset;
- Shdr->sh_flags = Flags;
- Shdr->sh_info = Info;
- Shdr->sh_link = Link;
- Shdr->sh_addr = Addr;
- Shdr->sh_size = Size;
- Shdr->sh_name = ShName;
+void OutputSection::writeHeaderTo(typename ELFT::Shdr *shdr) {
+ shdr->sh_entsize = entsize;
+ shdr->sh_addralign = alignment;
+ shdr->sh_type = type;
+ shdr->sh_offset = offset;
+ shdr->sh_flags = flags;
+ shdr->sh_info = info;
+ shdr->sh_link = link;
+ shdr->sh_addr = addr;
+ shdr->sh_size = size;
+ shdr->sh_name = shName;
}
-OutputSection::OutputSection(StringRef Name, uint32_t Type, uint64_t Flags)
+OutputSection::OutputSection(StringRef name, uint32_t type, uint64_t flags)
: BaseCommand(OutputSectionKind),
- SectionBase(Output, Name, Flags, /*Entsize*/ 0, /*Alignment*/ 1, Type,
- /*Info*/ 0, /*Link*/ 0) {
- Live = false;
-}
+ SectionBase(Output, name, flags, /*Entsize*/ 0, /*Alignment*/ 1, type,
+ /*Info*/ 0, /*Link*/ 0) {}
// We allow sections of types listed below to merged into a
// single progbits section. This is typically done by linker
@@ -79,257 +77,248 @@ OutputSection::OutputSection(StringRef Name, uint32_t Type, uint64_t Flags)
// to be allocated for nobits sections. Other ones don't require
// any special treatment on top of progbits, so there doesn't
// seem to be a harm in merging them.
-static bool canMergeToProgbits(unsigned Type) {
- return Type == SHT_NOBITS || Type == SHT_PROGBITS || Type == SHT_INIT_ARRAY ||
- Type == SHT_PREINIT_ARRAY || Type == SHT_FINI_ARRAY ||
- Type == SHT_NOTE;
+static bool canMergeToProgbits(unsigned type) {
+ return type == SHT_NOBITS || type == SHT_PROGBITS || type == SHT_INIT_ARRAY ||
+ type == SHT_PREINIT_ARRAY || type == SHT_FINI_ARRAY ||
+ type == SHT_NOTE;
}
-void OutputSection::addSection(InputSection *IS) {
- if (!Live) {
+void OutputSection::addSection(InputSection *isec) {
+ if (!hasInputSections) {
// If IS is the first section to be added to this section,
- // initialize Type, Entsize and flags from IS.
- Live = true;
- Type = IS->Type;
- Entsize = IS->Entsize;
- Flags = IS->Flags;
+ // initialize Partition, Type, Entsize and flags from IS.
+ hasInputSections = true;
+ partition = isec->partition;
+ type = isec->type;
+ entsize = isec->entsize;
+ flags = isec->flags;
} else {
// Otherwise, check if new type or flags are compatible with existing ones.
- unsigned Mask = SHF_TLS | SHF_LINK_ORDER;
- if ((Flags & Mask) != (IS->Flags & Mask))
- error("incompatible section flags for " + Name + "\n>>> " + toString(IS) +
- ": 0x" + utohexstr(IS->Flags) + "\n>>> output section " + Name +
- ": 0x" + utohexstr(Flags));
-
- if (Type != IS->Type) {
- if (!canMergeToProgbits(Type) || !canMergeToProgbits(IS->Type))
- error("section type mismatch for " + IS->Name + "\n>>> " +
- toString(IS) + ": " +
- getELFSectionTypeName(Config->EMachine, IS->Type) +
- "\n>>> output section " + Name + ": " +
- getELFSectionTypeName(Config->EMachine, Type));
- Type = SHT_PROGBITS;
+ unsigned mask = SHF_TLS | SHF_LINK_ORDER;
+ if ((flags & mask) != (isec->flags & mask))
+ error("incompatible section flags for " + name + "\n>>> " + toString(isec) +
+ ": 0x" + utohexstr(isec->flags) + "\n>>> output section " + name +
+ ": 0x" + utohexstr(flags));
+
+ if (type != isec->type) {
+ if (!canMergeToProgbits(type) || !canMergeToProgbits(isec->type))
+ error("section type mismatch for " + isec->name + "\n>>> " +
+ toString(isec) + ": " +
+ getELFSectionTypeName(config->emachine, isec->type) +
+ "\n>>> output section " + name + ": " +
+ getELFSectionTypeName(config->emachine, type));
+ type = SHT_PROGBITS;
}
}
- IS->Parent = this;
- uint64_t AndMask =
- Config->EMachine == EM_ARM ? (uint64_t)SHF_ARM_PURECODE : 0;
- uint64_t OrMask = ~AndMask;
- uint64_t AndFlags = (Flags & IS->Flags) & AndMask;
- uint64_t OrFlags = (Flags | IS->Flags) & OrMask;
- Flags = AndFlags | OrFlags;
+ isec->parent = this;
+ uint64_t andMask =
+ config->emachine == EM_ARM ? (uint64_t)SHF_ARM_PURECODE : 0;
+ uint64_t orMask = ~andMask;
+ uint64_t andFlags = (flags & isec->flags) & andMask;
+ uint64_t orFlags = (flags | isec->flags) & orMask;
+ flags = andFlags | orFlags;
- Alignment = std::max(Alignment, IS->Alignment);
+ alignment = std::max(alignment, isec->alignment);
// If this section contains a table of fixed-size entries, sh_entsize
// holds the element size. If it contains elements of different size we
// set sh_entsize to 0.
- if (Entsize != IS->Entsize)
- Entsize = 0;
-
- if (!IS->Assigned) {
- IS->Assigned = true;
- if (SectionCommands.empty() ||
- !isa<InputSectionDescription>(SectionCommands.back()))
- SectionCommands.push_back(make<InputSectionDescription>(""));
- auto *ISD = cast<InputSectionDescription>(SectionCommands.back());
- ISD->Sections.push_back(IS);
+ if (entsize != isec->entsize)
+ entsize = 0;
+
+ if (!isec->assigned) {
+ isec->assigned = true;
+ if (sectionCommands.empty() ||
+ !isa<InputSectionDescription>(sectionCommands.back()))
+ sectionCommands.push_back(make<InputSectionDescription>(""));
+ auto *isd = cast<InputSectionDescription>(sectionCommands.back());
+ isd->sections.push_back(isec);
}
}
-static void sortByOrder(MutableArrayRef<InputSection *> In,
- llvm::function_ref<int(InputSectionBase *S)> Order) {
- typedef std::pair<int, InputSection *> Pair;
- auto Comp = [](const Pair &A, const Pair &B) { return A.first < B.first; };
+static void sortByOrder(MutableArrayRef<InputSection *> in,
+ llvm::function_ref<int(InputSectionBase *s)> order) {
+ std::vector<std::pair<int, InputSection *>> v;
+ for (InputSection *s : in)
+ v.push_back({order(s), s});
+ llvm::stable_sort(v, less_first());
- std::vector<Pair> V;
- for (InputSection *S : In)
- V.push_back({Order(S), S});
- std::stable_sort(V.begin(), V.end(), Comp);
-
- for (size_t I = 0; I < V.size(); ++I)
- In[I] = V[I].second;
+ for (size_t i = 0; i < v.size(); ++i)
+ in[i] = v[i].second;
}
uint64_t elf::getHeaderSize() {
- if (Config->OFormatBinary)
+ if (config->oFormatBinary)
return 0;
- return Out::ElfHeader->Size + Out::ProgramHeaders->Size;
+ return Out::elfHeader->size + Out::programHeaders->size;
}
-bool OutputSection::classof(const BaseCommand *C) {
- return C->Kind == OutputSectionKind;
+bool OutputSection::classof(const BaseCommand *c) {
+ return c->kind == OutputSectionKind;
}
-void OutputSection::sort(llvm::function_ref<int(InputSectionBase *S)> Order) {
- assert(Live);
- for (BaseCommand *B : SectionCommands)
- if (auto *ISD = dyn_cast<InputSectionDescription>(B))
- sortByOrder(ISD->Sections, Order);
+void OutputSection::sort(llvm::function_ref<int(InputSectionBase *s)> order) {
+ assert(isLive());
+ for (BaseCommand *b : sectionCommands)
+ if (auto *isd = dyn_cast<InputSectionDescription>(b))
+ sortByOrder(isd->sections, order);
}
// Fill [Buf, Buf + Size) with Filler.
// This is used for linker script "=fillexp" command.
-static void fill(uint8_t *Buf, size_t Size,
- const std::array<uint8_t, 4> &Filler) {
- size_t I = 0;
- for (; I + 4 < Size; I += 4)
- memcpy(Buf + I, Filler.data(), 4);
- memcpy(Buf + I, Filler.data(), Size - I);
+static void fill(uint8_t *buf, size_t size,
+ const std::array<uint8_t, 4> &filler) {
+ size_t i = 0;
+ for (; i + 4 < size; i += 4)
+ memcpy(buf + i, filler.data(), 4);
+ memcpy(buf + i, filler.data(), size - i);
}
// Compress section contents if this section contains debug info.
template <class ELFT> void OutputSection::maybeCompress() {
- typedef typename ELFT::Chdr Elf_Chdr;
+ using Elf_Chdr = typename ELFT::Chdr;
// Compress only DWARF debug sections.
- if (!Config->CompressDebugSections || (Flags & SHF_ALLOC) ||
- !Name.startswith(".debug_"))
+ if (!config->compressDebugSections || (flags & SHF_ALLOC) ||
+ !name.startswith(".debug_"))
return;
// Create a section header.
- ZDebugHeader.resize(sizeof(Elf_Chdr));
- auto *Hdr = reinterpret_cast<Elf_Chdr *>(ZDebugHeader.data());
- Hdr->ch_type = ELFCOMPRESS_ZLIB;
- Hdr->ch_size = Size;
- Hdr->ch_addralign = Alignment;
+ zDebugHeader.resize(sizeof(Elf_Chdr));
+ auto *hdr = reinterpret_cast<Elf_Chdr *>(zDebugHeader.data());
+ hdr->ch_type = ELFCOMPRESS_ZLIB;
+ hdr->ch_size = size;
+ hdr->ch_addralign = alignment;
// Write section contents to a temporary buffer and compress it.
- std::vector<uint8_t> Buf(Size);
- writeTo<ELFT>(Buf.data());
- if (Error E = zlib::compress(toStringRef(Buf), CompressedData))
- fatal("compress failed: " + llvm::toString(std::move(E)));
+ std::vector<uint8_t> buf(size);
+ writeTo<ELFT>(buf.data());
+ if (Error e = zlib::compress(toStringRef(buf), compressedData))
+ fatal("compress failed: " + llvm::toString(std::move(e)));
// Update section headers.
- Size = sizeof(Elf_Chdr) + CompressedData.size();
- Flags |= SHF_COMPRESSED;
+ size = sizeof(Elf_Chdr) + compressedData.size();
+ flags |= SHF_COMPRESSED;
}
-static void writeInt(uint8_t *Buf, uint64_t Data, uint64_t Size) {
- if (Size == 1)
- *Buf = Data;
- else if (Size == 2)
- write16(Buf, Data);
- else if (Size == 4)
- write32(Buf, Data);
- else if (Size == 8)
- write64(Buf, Data);
+static void writeInt(uint8_t *buf, uint64_t data, uint64_t size) {
+ if (size == 1)
+ *buf = data;
+ else if (size == 2)
+ write16(buf, data);
+ else if (size == 4)
+ write32(buf, data);
+ else if (size == 8)
+ write64(buf, data);
else
llvm_unreachable("unsupported Size argument");
}
-template <class ELFT> void OutputSection::writeTo(uint8_t *Buf) {
- if (Type == SHT_NOBITS)
+template <class ELFT> void OutputSection::writeTo(uint8_t *buf) {
+ if (type == SHT_NOBITS)
return;
- Loc = Buf;
-
// If -compress-debug-section is specified and if this is a debug seciton,
// we've already compressed section contents. If that's the case,
// just write it down.
- if (!CompressedData.empty()) {
- memcpy(Buf, ZDebugHeader.data(), ZDebugHeader.size());
- memcpy(Buf + ZDebugHeader.size(), CompressedData.data(),
- CompressedData.size());
+ if (!compressedData.empty()) {
+ memcpy(buf, zDebugHeader.data(), zDebugHeader.size());
+ memcpy(buf + zDebugHeader.size(), compressedData.data(),
+ compressedData.size());
return;
}
// Write leading padding.
- std::vector<InputSection *> Sections = getInputSections(this);
- std::array<uint8_t, 4> Filler = getFiller();
- bool NonZeroFiller = read32(Filler.data()) != 0;
- if (NonZeroFiller)
- fill(Buf, Sections.empty() ? Size : Sections[0]->OutSecOff, Filler);
+ std::vector<InputSection *> sections = getInputSections(this);
+ std::array<uint8_t, 4> filler = getFiller();
+ bool nonZeroFiller = read32(filler.data()) != 0;
+ if (nonZeroFiller)
+ fill(buf, sections.empty() ? size : sections[0]->outSecOff, filler);
- parallelForEachN(0, Sections.size(), [&](size_t I) {
- InputSection *IS = Sections[I];
- IS->writeTo<ELFT>(Buf);
+ parallelForEachN(0, sections.size(), [&](size_t i) {
+ InputSection *isec = sections[i];
+ isec->writeTo<ELFT>(buf);
// Fill gaps between sections.
- if (NonZeroFiller) {
- uint8_t *Start = Buf + IS->OutSecOff + IS->getSize();
- uint8_t *End;
- if (I + 1 == Sections.size())
- End = Buf + Size;
+ if (nonZeroFiller) {
+ uint8_t *start = buf + isec->outSecOff + isec->getSize();
+ uint8_t *end;
+ if (i + 1 == sections.size())
+ end = buf + size;
else
- End = Buf + Sections[I + 1]->OutSecOff;
- fill(Start, End - Start, Filler);
+ end = buf + sections[i + 1]->outSecOff;
+ fill(start, end - start, filler);
}
});
// Linker scripts may have BYTE()-family commands with which you
// can write arbitrary bytes to the output. Process them if any.
- for (BaseCommand *Base : SectionCommands)
- if (auto *Data = dyn_cast<ByteCommand>(Base))
- writeInt(Buf + Data->Offset, Data->Expression().getValue(), Data->Size);
+ for (BaseCommand *base : sectionCommands)
+ if (auto *data = dyn_cast<ByteCommand>(base))
+ writeInt(buf + data->offset, data->expression().getValue(), data->size);
}
-template <class ELFT>
-static void finalizeShtGroup(OutputSection *OS,
- InputSection *Section) {
- assert(Config->Relocatable);
+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;
+ 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]);
+ ArrayRef<Symbol *> symbols = section->file->getSymbols();
+ os->info = in.symTab->getSymbolIndex(symbols[section->info]);
}
-template <class ELFT> void OutputSection::finalize() {
- if (Type == SHT_NOBITS)
- for (BaseCommand *Base : SectionCommands)
- if (isa<ByteCommand>(Base))
- Type = SHT_PROGBITS;
-
- std::vector<InputSection *> V = getInputSections(this);
- InputSection *First = V.empty() ? nullptr : V[0];
+void OutputSection::finalize() {
+ std::vector<InputSection *> v = getInputSections(this);
+ InputSection *first = v.empty() ? nullptr : v[0];
- if (Flags & SHF_LINK_ORDER) {
+ if (flags & SHF_LINK_ORDER) {
// We must preserve the link order dependency of sections with the
// SHF_LINK_ORDER flag. The dependency is indicated by the sh_link field. We
// need to translate the InputSection sh_link to the OutputSection sh_link,
// all InputSections in the OutputSection have the same dependency.
- if (auto *D = First->getLinkOrderDep())
- Link = D->getParent()->SectionIndex;
+ if (auto *ex = dyn_cast<ARMExidxSyntheticSection>(first))
+ link = ex->getLinkOrderDep()->getParent()->sectionIndex;
+ else if (auto *d = first->getLinkOrderDep())
+ link = d->getParent()->sectionIndex;
}
- if (Type == SHT_GROUP) {
- finalizeShtGroup<ELFT>(this, First);
+ if (type == SHT_GROUP) {
+ finalizeShtGroup(this, first);
return;
}
- if (!Config->CopyRelocs || (Type != SHT_RELA && Type != SHT_REL))
+ if (!config->copyRelocs || (type != SHT_RELA && type != SHT_REL))
return;
- if (isa<SyntheticSection>(First))
+ if (isa<SyntheticSection>(first))
return;
- Link = In.SymTab->getParent()->SectionIndex;
+ link = in.symTab->getParent()->sectionIndex;
// sh_info for SHT_REL[A] sections should contain the section header index of
// the section to which the relocation applies.
- InputSectionBase *S = First->getRelocatedSection();
- Info = S->getOutputSection()->SectionIndex;
- Flags |= SHF_INFO_LINK;
+ InputSectionBase *s = first->getRelocatedSection();
+ info = s->getOutputSection()->sectionIndex;
+ flags |= SHF_INFO_LINK;
}
// Returns true if S matches /Filename.?\.o$/.
-static bool isCrtBeginEnd(StringRef S, StringRef Filename) {
- if (!S.endswith(".o"))
+static bool isCrtBeginEnd(StringRef s, StringRef filename) {
+ if (!s.endswith(".o"))
return false;
- S = S.drop_back(2);
- if (S.endswith(Filename))
+ s = s.drop_back(2);
+ if (s.endswith(filename))
return true;
- return !S.empty() && S.drop_back().endswith(Filename);
+ return !s.empty() && s.drop_back().endswith(filename);
}
-static bool isCrtbegin(StringRef S) { return isCrtBeginEnd(S, "crtbegin"); }
-static bool isCrtend(StringRef S) { return isCrtBeginEnd(S, "crtend"); }
+static bool isCrtbegin(StringRef s) { return isCrtBeginEnd(s, "crtbegin"); }
+static bool isCrtend(StringRef s) { return isCrtBeginEnd(s, "crtend"); }
// .ctors and .dtors are sorted by this priority from highest to lowest.
//
@@ -349,52 +338,52 @@ static bool isCrtend(StringRef S) { return isCrtBeginEnd(S, "crtend"); }
// .ctors are duplicate features (and .init_array is newer.) However, there
// are too many real-world use cases of .ctors, so we had no choice to
// support that with this rather ad-hoc semantics.
-static bool compCtors(const InputSection *A, const InputSection *B) {
- bool BeginA = isCrtbegin(A->File->getName());
- bool BeginB = isCrtbegin(B->File->getName());
- if (BeginA != BeginB)
- return BeginA;
- bool EndA = isCrtend(A->File->getName());
- bool EndB = isCrtend(B->File->getName());
- if (EndA != EndB)
- return EndB;
- StringRef X = A->Name;
- StringRef Y = B->Name;
- assert(X.startswith(".ctors") || X.startswith(".dtors"));
- assert(Y.startswith(".ctors") || Y.startswith(".dtors"));
- X = X.substr(6);
- Y = Y.substr(6);
- return X < Y;
+static bool compCtors(const InputSection *a, const InputSection *b) {
+ bool beginA = isCrtbegin(a->file->getName());
+ bool beginB = isCrtbegin(b->file->getName());
+ if (beginA != beginB)
+ return beginA;
+ bool endA = isCrtend(a->file->getName());
+ bool endB = isCrtend(b->file->getName());
+ if (endA != endB)
+ return endB;
+ StringRef x = a->name;
+ StringRef y = b->name;
+ assert(x.startswith(".ctors") || x.startswith(".dtors"));
+ assert(y.startswith(".ctors") || y.startswith(".dtors"));
+ x = x.substr(6);
+ y = y.substr(6);
+ return x < y;
}
// Sorts input sections by the special rules for .ctors and .dtors.
// Unfortunately, the rules are different from the one for .{init,fini}_array.
// Read the comment above.
void OutputSection::sortCtorsDtors() {
- assert(SectionCommands.size() == 1);
- auto *ISD = cast<InputSectionDescription>(SectionCommands[0]);
- std::stable_sort(ISD->Sections.begin(), ISD->Sections.end(), compCtors);
+ assert(sectionCommands.size() == 1);
+ auto *isd = cast<InputSectionDescription>(sectionCommands[0]);
+ llvm::stable_sort(isd->sections, compCtors);
}
// If an input string is in the form of "foo.N" where N is a number,
// return N. Otherwise, returns 65536, which is one greater than the
// lowest priority.
-int elf::getPriority(StringRef S) {
- size_t Pos = S.rfind('.');
- if (Pos == StringRef::npos)
+int elf::getPriority(StringRef s) {
+ size_t pos = s.rfind('.');
+ if (pos == StringRef::npos)
return 65536;
- int V;
- if (!to_integer(S.substr(Pos + 1), V, 10))
+ int v;
+ if (!to_integer(s.substr(pos + 1), v, 10))
return 65536;
- return V;
+ return v;
}
-std::vector<InputSection *> elf::getInputSections(OutputSection *OS) {
- std::vector<InputSection *> Ret;
- for (BaseCommand *Base : OS->SectionCommands)
- if (auto *ISD = dyn_cast<InputSectionDescription>(Base))
- Ret.insert(Ret.end(), ISD->Sections.begin(), ISD->Sections.end());
- return Ret;
+std::vector<InputSection *> elf::getInputSections(OutputSection *os) {
+ std::vector<InputSection *> ret;
+ for (BaseCommand *base : os->sectionCommands)
+ if (auto *isd = dyn_cast<InputSectionDescription>(base))
+ ret.insert(ret.end(), isd->sections.begin(), isd->sections.end());
+ return ret;
}
// Sorts input sections by section name suffixes, so that .foo.N comes
@@ -405,14 +394,14 @@ std::vector<InputSection *> elf::getInputSections(OutputSection *OS) {
// For more detail, read the section of the GCC's manual about init_priority.
void OutputSection::sortInitFini() {
// Sort sections by priority.
- sort([](InputSectionBase *S) { return getPriority(S->Name); });
+ sort([](InputSectionBase *s) { return getPriority(s->name); });
}
std::array<uint8_t, 4> OutputSection::getFiller() {
- if (Filler)
- return *Filler;
- if (Flags & SHF_EXECINSTR)
- return Target->TrapInstr;
+ if (filler)
+ return *filler;
+ if (flags & SHF_EXECINSTR)
+ return target->trapInstr;
return {0, 0, 0, 0};
}
@@ -430,8 +419,3 @@ template void OutputSection::maybeCompress<ELF32LE>();
template void OutputSection::maybeCompress<ELF32BE>();
template void OutputSection::maybeCompress<ELF64LE>();
template void OutputSection::maybeCompress<ELF64BE>();
-
-template void OutputSection::finalize<ELF32LE>();
-template void OutputSection::finalize<ELF32BE>();
-template void OutputSection::finalize<ELF64LE>();
-template void OutputSection::finalize<ELF64BE>();
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-05 04:12:18 +0000