Make Binary the parent of ObjectFile and update children to new interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132911 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/ELFObjectFile.cpp b/lib/Object/ELFObjectFile.cpp
index d2a2726..1c4dcea 100644
--- a/lib/Object/ELFObjectFile.cpp
+++ b/lib/Object/ELFObjectFile.cpp
@@ -237,7 +237,7 @@
virtual bool isSectionText(DataRefImpl Sec) const;
public:
- ELFObjectFile(MemoryBuffer *Object);
+ ELFObjectFile(MemoryBuffer *Object, error_code &ec);
virtual symbol_iterator begin_symbols() const;
virtual symbol_iterator end_symbols() const;
virtual section_iterator begin_sections() const;
@@ -259,9 +259,9 @@
// an error object around.
if (!( symb
&& SymbolTableSection
- && symb >= (const Elf_Sym*)(base
+ && symb >= (const Elf_Sym*)(base()
+ SymbolTableSection->sh_offset)
- && symb < (const Elf_Sym*)(base
+ && symb < (const Elf_Sym*)(base()
+ SymbolTableSection->sh_offset
+ SymbolTableSection->sh_size)))
// FIXME: Proper error handling.
@@ -444,7 +444,7 @@
StringRef ELFObjectFile<target_endianness, is64Bits>
::getSectionContents(DataRefImpl Sec) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
- const char *start = (char*)base + sec->sh_offset;
+ const char *start = (char*)base() + sec->sh_offset;
return StringRef(start, sec->sh_size);
}
@@ -458,21 +458,22 @@
}
template<support::endianness target_endianness, bool is64Bits>
-ELFObjectFile<target_endianness, is64Bits>::ELFObjectFile(MemoryBuffer *Object)
- : ObjectFile(Object)
+ELFObjectFile<target_endianness, is64Bits>::ELFObjectFile(MemoryBuffer *Object
+ , error_code &ec)
+ : ObjectFile(Binary::isELF, Object, ec)
, SectionHeaderTable(0)
, dot_shstrtab_sec(0)
, dot_strtab_sec(0) {
- Header = reinterpret_cast<const Elf_Ehdr *>(base);
+ Header = reinterpret_cast<const Elf_Ehdr *>(base());
if (Header->e_shoff == 0)
return;
SectionHeaderTable =
- reinterpret_cast<const Elf_Shdr *>(base + Header->e_shoff);
+ reinterpret_cast<const Elf_Shdr *>(base() + Header->e_shoff);
uint32_t SectionTableSize = Header->e_shnum * Header->e_shentsize;
if (!( (const uint8_t *)SectionHeaderTable + SectionTableSize
- <= base + MapFile->getBufferSize()))
+ <= base() + Data->getBufferSize()))
// FIXME: Proper error handling.
report_fatal_error("Section table goes past end of file!");
@@ -491,7 +492,7 @@
dot_shstrtab_sec = getSection(Header->e_shstrndx);
if (dot_shstrtab_sec) {
// Verify that the last byte in the string table in a null.
- if (((const char*)base + dot_shstrtab_sec->sh_offset)
+ if (((const char*)base() + dot_shstrtab_sec->sh_offset)
[dot_shstrtab_sec->sh_size - 1] != 0)
// FIXME: Proper error handling.
report_fatal_error("String table must end with a null terminator!");
@@ -509,7 +510,7 @@
// FIXME: Proper error handling.
report_fatal_error("Already found section named .strtab!");
dot_strtab_sec = sh;
- const char *dot_strtab = (const char*)base + sh->sh_offset;
+ const char *dot_strtab = (const char*)base() + sh->sh_offset;
if (dot_strtab[sh->sh_size - 1] != 0)
// FIXME: Proper error handling.
report_fatal_error("String table must end with a null terminator!");
@@ -548,7 +549,7 @@
::begin_sections() const {
DataRefImpl ret;
memset(&ret, 0, sizeof(DataRefImpl));
- ret.p = reinterpret_cast<intptr_t>(base + Header->e_shoff);
+ ret.p = reinterpret_cast<intptr_t>(base() + Header->e_shoff);
return section_iterator(SectionRef(ret, this));
}
@@ -557,7 +558,7 @@
::end_sections() const {
DataRefImpl ret;
memset(&ret, 0, sizeof(DataRefImpl));
- ret.p = reinterpret_cast<intptr_t>(base
+ ret.p = reinterpret_cast<intptr_t>(base()
+ Header->e_shoff
+ (Header->e_shentsize * Header->e_shnum));
return section_iterator(SectionRef(ret, this));
@@ -613,7 +614,7 @@
ELFObjectFile<target_endianness, is64Bits>::getSymbol(DataRefImpl Symb) const {
const Elf_Shdr *sec = SymbolTableSections[Symb.d.b];
return reinterpret_cast<const Elf_Sym *>(
- base
+ base()
+ sec->sh_offset
+ (Symb.d.a * sec->sh_entsize));
}
@@ -656,8 +657,8 @@
assert(section && section->sh_type == ELF::SHT_STRTAB && "Invalid section!");
if (offset >= section->sh_size)
// FIXME: Proper error handling.
- report_fatal_error("Sybol name offset outside of string table!");
- return (const char *)base + section->sh_offset + offset;
+ report_fatal_error("Symbol name offset outside of string table!");
+ return (const char *)base() + section->sh_offset + offset;
}
// EI_CLASS, EI_DATA.
@@ -673,14 +674,15 @@
ObjectFile *ObjectFile::createELFObjectFile(MemoryBuffer *Object) {
std::pair<unsigned char, unsigned char> Ident = getElfArchType(Object);
+ error_code ec;
if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB)
- return new ELFObjectFile<support::little, false>(Object);
+ return new ELFObjectFile<support::little, false>(Object, ec);
else if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2MSB)
- return new ELFObjectFile<support::big, false>(Object);
+ return new ELFObjectFile<support::big, false>(Object, ec);
else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2LSB)
- return new ELFObjectFile<support::little, true>(Object);
+ return new ELFObjectFile<support::little, true>(Object, ec);
else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2MSB)
- return new ELFObjectFile<support::big, true>(Object);
+ return new ELFObjectFile<support::big, true>(Object, ec);
// FIXME: Proper error handling.
report_fatal_error("Not an ELF object file!");
}