llvm-mirror/lib/Archive/ArchiveInternals.h
Chandler Carruth a98c778194 Sort includes for all of the .h files under the 'lib' tree. These were
missed in the first pass because the script didn't yet handle include
guards.

Note that the script is now able to handle all of these headers without
manual edits. =]

llvm-svn: 169224
2012-12-04 07:12:27 +00:00

89 lines
3.1 KiB
C++

//===-- lib/Archive/ArchiveInternals.h -------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Internal implementation header for LLVM Archive files.
//
//===----------------------------------------------------------------------===//
#ifndef LIB_ARCHIVE_ARCHIVEINTERNALS_H
#define LIB_ARCHIVE_ARCHIVEINTERNALS_H
#include "llvm/ADT/StringExtras.h"
#include "llvm/Bitcode/Archive.h"
#include "llvm/Support/TimeValue.h"
#include <cstring>
#define ARFILE_MAGIC "!<arch>\n" ///< magic string
#define ARFILE_MAGIC_LEN (sizeof(ARFILE_MAGIC)-1) ///< length of magic string
#define ARFILE_SVR4_SYMTAB_NAME "/ " ///< SVR4 symtab entry name
#define ARFILE_LLVM_SYMTAB_NAME "#_LLVM_SYM_TAB_#" ///< LLVM symtab entry name
#define ARFILE_BSD4_SYMTAB_NAME "__.SYMDEF SORTED" ///< BSD4 symtab entry name
#define ARFILE_STRTAB_NAME "// " ///< Name of string table
#define ARFILE_PAD "\n" ///< inter-file align padding
#define ARFILE_MEMBER_MAGIC "`\n" ///< fmag field magic #
namespace llvm {
class LLVMContext;
/// The ArchiveMemberHeader structure is used internally for bitcode
/// archives.
/// The header precedes each file member in the archive. This structure is
/// defined using character arrays for direct and correct interpretation
/// regardless of the endianess of the machine that produced it.
/// @brief Archive File Member Header
class ArchiveMemberHeader {
/// @name Data
/// @{
public:
char name[16]; ///< Name of the file member.
char date[12]; ///< File date, decimal seconds since Epoch
char uid[6]; ///< user id in ASCII decimal
char gid[6]; ///< group id in ASCII decimal
char mode[8]; ///< file mode in ASCII octal
char size[10]; ///< file size in ASCII decimal
char fmag[2]; ///< Always contains ARFILE_MAGIC_TERMINATOR
/// @}
/// @name Methods
/// @{
public:
void init() {
memset(name,' ',16);
memset(date,' ',12);
memset(uid,' ',6);
memset(gid,' ',6);
memset(mode,' ',8);
memset(size,' ',10);
fmag[0] = '`';
fmag[1] = '\n';
}
bool checkSignature() const {
return 0 == memcmp(fmag, ARFILE_MEMBER_MAGIC,2);
}
};
// Get just the externally visible defined symbols from the bitcode
bool GetBitcodeSymbols(const sys::Path& fName,
LLVMContext& Context,
std::vector<std::string>& symbols,
std::string* ErrMsg);
Module* GetBitcodeSymbols(const char *Buffer, unsigned Length,
const std::string& ModuleID,
LLVMContext& Context,
std::vector<std::string>& symbols,
std::string* ErrMsg);
}
#endif
// vim: sw=2 ai