1 //===-- lib/Bytecode/ArchiveInternals.h -------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by Reid Spencer and is distributed under the
6 // University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Internal implementation header for LLVM Archive files.
12 //===----------------------------------------------------------------------===//
14 #ifndef LIB_BYTECODE_ARCHIVEINTERNALS_H
15 #define LIB_BYTECODE_ARCHIVEINTERNALS_H
17 #include "llvm/Bytecode/Archive.h"
18 #include "llvm/System/TimeValue.h"
19 #include "llvm/ADT/StringExtras.h"
21 #define ARFILE_MAGIC "!<arch>\n" ///< magic string
22 #define ARFILE_MAGIC_LEN (sizeof(ARFILE_MAGIC)-1) ///< length of magic string
23 #define ARFILE_SYMTAB_NAME "/ " ///< regular symtab entry
24 #define ARFILE_STRTAB_NAME "// " ///< Name of string table
25 #define ARFILE_LLVM_SYMTAB_NAME "#_LLVM_SYM_TAB_#" ///< LLVM's symtab entry
26 #define ARFILE_PAD "\n" ///< inter-file align padding
27 #define ARFILE_MEMBER_MAGIC "`\n" ///< fmag field magic #
31 /// The ArchiveMemberHeader structure is used internally for bytecode
33 /// The header precedes each file member in the archive. This structure is
34 /// defined using character arrays for direct and correct interpretation
35 /// regardless of the endianess of the machine that produced it.
36 /// @brief Archive File Member Header
37 class ArchiveMemberHeader {
41 char name[16];///< Name of the file member.
42 char date[12]; ///< File date, decimal seconds since Epoch
43 char uid[6]; ///< user id in ASCII decimal
44 char gid[6]; ///< group id in ASCII decimal
45 char mode[8]; ///< file mode in ASCII octal
46 char size[10]; ///< file size in ASCII decimal
47 char fmag[2]; ///< Always contains ARFILE_MAGIC_TERMINATOR
64 bool checkSignature() {
65 return 0 == memcmp(fmag, ARFILE_MEMBER_MAGIC,2);