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author | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
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committer | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
commit | f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch) | |
tree | ebb79ea1ee5e3bc1fdf38541a811a8b804f0679a /lib/Archive/ArchiveInternals.h | |
download | external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.zip external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.gz external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.bz2 |
It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Archive/ArchiveInternals.h')
-rw-r--r-- | lib/Archive/ArchiveInternals.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/Archive/ArchiveInternals.h b/lib/Archive/ArchiveInternals.h new file mode 100644 index 0000000..8648bbb --- /dev/null +++ b/lib/Archive/ArchiveInternals.h @@ -0,0 +1,83 @@ +//===-- lib/Archive/ArchiveInternals.h -------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by Reid Spencer and 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" + +#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 |