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//===-- 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/Bitcode/Archive.h"
#include "llvm/System/TimeValue.h"
#include "llvm/ADT/StringExtras.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 {
/// 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() {
return 0 == memcmp(fmag, ARFILE_MEMBER_MAGIC,2);
}
};
// Get just the externally visible defined symbols from the bitcode
bool GetBitcodeSymbols(const sys::Path& fName,
std::vector<std::string>& symbols,
std::string* ErrMsg);
ModuleProvider* GetBitcodeSymbols(const unsigned char*Buffer,unsigned Length,
const std::string& ModuleID,
std::vector<std::string>& symbols,
std::string* ErrMsg);
}
#endif
// vim: sw=2 ai
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