Gabor Greif | a99be51 | 2007-07-05 17:07:56 +0000 | [diff] [blame] | 1 | //===-- lib/Archive/ArchiveInternals.h -------------------------*- C++ -*-===// |
Misha Brukman | 2b37d7c | 2005-04-21 21:13:18 +0000 | [diff] [blame] | 2 | // |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame^] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Misha Brukman | 2b37d7c | 2005-04-21 21:13:18 +0000 | [diff] [blame] | 7 | // |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // Internal implementation header for LLVM Archive files. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Gabor Greif | a99be51 | 2007-07-05 17:07:56 +0000 | [diff] [blame] | 14 | #ifndef LIB_ARCHIVE_ARCHIVEINTERNALS_H |
| 15 | #define LIB_ARCHIVE_ARCHIVEINTERNALS_H |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 16 | |
Chris Lattner | c1d5624 | 2007-05-06 09:28:33 +0000 | [diff] [blame] | 17 | #include "llvm/Bitcode/Archive.h" |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 18 | #include "llvm/System/TimeValue.h" |
Reid Spencer | bc9fc84 | 2004-11-14 21:57:46 +0000 | [diff] [blame] | 19 | #include "llvm/ADT/StringExtras.h" |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 20 | |
Misha Brukman | 2b37d7c | 2005-04-21 21:13:18 +0000 | [diff] [blame] | 21 | #define ARFILE_MAGIC "!<arch>\n" ///< magic string |
| 22 | #define ARFILE_MAGIC_LEN (sizeof(ARFILE_MAGIC)-1) ///< length of magic string |
Reid Spencer | 9a29db4 | 2004-11-20 07:29:40 +0000 | [diff] [blame] | 23 | #define ARFILE_SVR4_SYMTAB_NAME "/ " ///< SVR4 symtab entry name |
| 24 | #define ARFILE_LLVM_SYMTAB_NAME "#_LLVM_SYM_TAB_#" ///< LLVM symtab entry name |
| 25 | #define ARFILE_BSD4_SYMTAB_NAME "__.SYMDEF SORTED" ///< BSD4 symtab entry name |
| 26 | #define ARFILE_STRTAB_NAME "// " ///< Name of string table |
Reid Spencer | bc9fc84 | 2004-11-14 21:57:46 +0000 | [diff] [blame] | 27 | #define ARFILE_PAD "\n" ///< inter-file align padding |
| 28 | #define ARFILE_MEMBER_MAGIC "`\n" ///< fmag field magic # |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 29 | |
| 30 | namespace llvm { |
| 31 | |
Gabor Greif | a99be51 | 2007-07-05 17:07:56 +0000 | [diff] [blame] | 32 | /// The ArchiveMemberHeader structure is used internally for bitcode |
Misha Brukman | 2b37d7c | 2005-04-21 21:13:18 +0000 | [diff] [blame] | 33 | /// archives. |
| 34 | /// The header precedes each file member in the archive. This structure is |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 35 | /// defined using character arrays for direct and correct interpretation |
| 36 | /// regardless of the endianess of the machine that produced it. |
| 37 | /// @brief Archive File Member Header |
| 38 | class ArchiveMemberHeader { |
Reid Spencer | bc9fc84 | 2004-11-14 21:57:46 +0000 | [diff] [blame] | 39 | /// @name Data |
| 40 | /// @{ |
| 41 | public: |
Misha Brukman | 2b37d7c | 2005-04-21 21:13:18 +0000 | [diff] [blame] | 42 | char name[16]; ///< Name of the file member. |
Reid Spencer | bc9fc84 | 2004-11-14 21:57:46 +0000 | [diff] [blame] | 43 | char date[12]; ///< File date, decimal seconds since Epoch |
| 44 | char uid[6]; ///< user id in ASCII decimal |
| 45 | char gid[6]; ///< group id in ASCII decimal |
| 46 | char mode[8]; ///< file mode in ASCII octal |
| 47 | char size[10]; ///< file size in ASCII decimal |
| 48 | char fmag[2]; ///< Always contains ARFILE_MAGIC_TERMINATOR |
| 49 | |
| 50 | /// @} |
| 51 | /// @name Methods |
| 52 | /// @{ |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 53 | public: |
| 54 | void init() { |
| 55 | memset(name,' ',16); |
| 56 | memset(date,' ',12); |
| 57 | memset(uid,' ',6); |
| 58 | memset(gid,' ',6); |
| 59 | memset(mode,' ',8); |
| 60 | memset(size,' ',10); |
| 61 | fmag[0] = '`'; |
| 62 | fmag[1] = '\n'; |
| 63 | } |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 64 | |
Reid Spencer | bc9fc84 | 2004-11-14 21:57:46 +0000 | [diff] [blame] | 65 | bool checkSignature() { |
| 66 | return 0 == memcmp(fmag, ARFILE_MEMBER_MAGIC,2); |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 67 | } |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 68 | }; |
Chris Lattner | f36c7b8 | 2007-02-07 23:53:17 +0000 | [diff] [blame] | 69 | |
Gabor Greif | a99be51 | 2007-07-05 17:07:56 +0000 | [diff] [blame] | 70 | // Get just the externally visible defined symbols from the bitcode |
| 71 | bool GetBitcodeSymbols(const sys::Path& fName, |
Chris Lattner | f36c7b8 | 2007-02-07 23:53:17 +0000 | [diff] [blame] | 72 | std::vector<std::string>& symbols, |
Chris Lattner | c1d5624 | 2007-05-06 09:28:33 +0000 | [diff] [blame] | 73 | std::string* ErrMsg); |
Chris Lattner | f36c7b8 | 2007-02-07 23:53:17 +0000 | [diff] [blame] | 74 | |
Gabor Greif | a99be51 | 2007-07-05 17:07:56 +0000 | [diff] [blame] | 75 | ModuleProvider* GetBitcodeSymbols(const unsigned char*Buffer,unsigned Length, |
| 76 | const std::string& ModuleID, |
| 77 | std::vector<std::string>& symbols, |
| 78 | std::string* ErrMsg); |
Reid Spencer | 362cbf0 | 2004-11-06 08:51:45 +0000 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | #endif |
| 82 | |
| 83 | // vim: sw=2 ai |