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[Object][ELF] Add program header iterator.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171648 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2013-01-06 03:56:27 +00:00
parent fe23da7949
commit 3e5d8ade39
1 changed files with 19 additions and 3 deletions

22
include/llvm/Object/ELF.h

@ -441,10 +441,10 @@ struct Elf_Ehdr_Impl {
};
template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Phdr;
struct Elf_Phdr_Impl;
template<endianness target_endianness, std::size_t max_alignment>
struct Elf_Phdr<target_endianness, max_alignment, false> {
struct Elf_Phdr_Impl<target_endianness, max_alignment, false> {
LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Word p_type; // Type of segment
Elf_Off p_offset; // FileOffset where segment is located, in bytes
@ -457,7 +457,7 @@ struct Elf_Phdr<target_endianness, max_alignment, false> {
};
template<endianness target_endianness, std::size_t max_alignment>
struct Elf_Phdr<target_endianness, max_alignment, true> {
struct Elf_Phdr_Impl<target_endianness, max_alignment, true> {
LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Word p_type; // Type of segment
Elf_Word p_flags; // Segment flags
@ -477,6 +477,7 @@ class ELFObjectFile : public ObjectFile {
typedef Elf_Shdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Shdr;
typedef Elf_Sym_Impl<target_endianness, max_alignment, is64Bits> Elf_Sym;
typedef Elf_Dyn_Impl<target_endianness, max_alignment, is64Bits> Elf_Dyn;
typedef Elf_Phdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Phdr;
typedef
Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, false> Elf_Rel;
typedef
@ -740,6 +741,21 @@ public:
(base() + sec->sh_offset + sec->sh_size));
}
/// \brief Iterate over program header table.
typedef ELFEntityIterator<const Elf_Phdr> Elf_Phdr_Iter;
Elf_Phdr_Iter begin_program_headers() const {
return Elf_Phdr_Iter(Header->e_phentsize,
(const char*)base() + Header->e_phoff);
}
Elf_Phdr_Iter end_program_headers() const {
return Elf_Phdr_Iter(Header->e_phentsize,
(const char*)base() +
Header->e_phoff +
(Header->e_phnum * Header->e_phentsize));
}
virtual uint8_t getBytesInAddress() const;
virtual StringRef getFileFormatName() const;
virtual StringRef getObjectType() const { return "ELF"; }