upx/src/p_mach_enum.h

/* p_mach_enum.h --

   This file is part of the UPX executable compressor.

   Copyright (C) 2007-2022 John F. Reiser
   All Rights Reserved.

   UPX and the UCL library are free software; you can redistribute them
   and/or modify them under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2 of
   the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.
   If not, write to the Free Software Foundation, Inc.,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

   John F. Reiser
   <jreiser@users.sourceforge.net>
 */


/*************************************************************************
// Use the preprocessor to work around
//   - that the types embedding these enums have to be PODs, and
//     deriving from an empty base class (which is the usual C++ way
//     of "importing" enums) does not yield a POD any more
//   - that older compilers do not correctly perform EBCO
**************************************************************************/

#ifdef WANT_MACH_HEADER_ENUM  /*{*/
#undef WANT_MACH_HEADER_ENUM
    enum : unsigned { // magic
        MH_MAGIC = 0xfeedface,
    };
    enum { // cputype
        CPU_TYPE_I386      =          7,
        CPU_TYPE_X86_64    = 0x01000007,
        CPU_TYPE_ARM       = 0x0000000c,
        CPU_TYPE_ARM64     = 0x0100000c,
        CPU_TYPE_POWERPC   = 0x00000012,
        CPU_TYPE_POWERPC64 = 0x01000012,
    };
    enum { // cpusubtype
        CPU_SUBTYPE_ARM_ALL = 0,
        CPU_SUBTYPE_ARM_V4T = 5,
        CPU_SUBTYPE_ARM_V6  = 6,
    };
    enum { // filetype
        MH_OBJECT  = 1,     /* relocatable object file */
        MH_EXECUTE = 2,
        MH_PRELOAD = 5,     /* preloaded executable */
        MH_DYLIB   = 6,     /* dynamically bound shared library */
        MH_DYLINKER= 7,     /* /usr/bin/dyld */
        MH_BUNDLE  = 8,     /* dynamically bound bundle file */
    };
    enum { // flags
        MH_NOUNDEFS = 1,
        MH_DYLDLINK = 4,    /* code signing demands this */
        MH_BINDATLOAD = 0x8,   // DT_BIND_NOW
        MH_TWOLEVEL = 0x80,
        MH_PIE      = 0x200000,  // ASLR
    };
#endif  /*}*/

#ifdef WANT_MACH_SEGMENT_ENUM  /*{*/
#undef WANT_MACH_SEGMENT_ENUM
    enum { // cmd
        LC_REQ_DYLD      = 0x80000000,  // OR'ed ==> must not ignore
        LC_SEGMENT       = 0x1,
        LC_SYMTAB        = 0x2,
        LC_THREAD        = 0x4,
        LC_UNIXTHREAD    = 0x5,
        LC_DYSYMTAB      = 0xb,
        LC_LOAD_DYLIB    = 0xc,
        LC_ID_DYLIB      = 0xd,
        LC_LOAD_DYLINKER = 0xe,
        LC_ID_DYLINKER   = 0xf,
        LC_ROUTINES      = 0x11,
        LC_TWOLEVEL_HINTS= 0x16,
        LC_LOAD_WEAK_DYLIB= (0x18 | LC_REQ_DYLD),
        LC_SEGMENT_64    = 0x19,
        LC_ROUTINES_64   = 0x1a,
        LC_UUID          = 0x1b,
        LC_RPATH         = 0x1c,
        LC_CODE_SIGNATURE = 0x1d,
        LC_SEGMENT_SPLIT_INFO = 0x1e,
        LC_REEXPORT_DYLIB = (0x1f | LC_REQ_DYLD),
        LC_LAZY_LOAD_DYLIB= 0x20,
        LC_ENCRYPTION_INFO= 0x21,
        LC_DYLD_INFO      = 0x22,  // compressed dyld information (10.6.x)
        LC_DYLD_INFO_ONLY = (0x22|LC_REQ_DYLD),
        LC_VERSION_MIN_MACOSX= 0x24,
        LC_VERSION_MIN_IPHONEOS= 0x25,
        LC_FUNCTION_STARTS= 0x26,
        LC_DYLD_ENVIRONMENT= 0x27,  // string as environment variable
        LC_MAIN           = (0x28|LC_REQ_DYLD),
        LC_DATA_IN_CODE   = 0x29,
        LC_SOURCE_VERSION = 0x2a,
        LC_DYLIB_CODE_SIGN_DRS= 0x2B,
        LC_ENCRYPTION_INFO_64= 0x2C,
        LC_VERSION_MIN_TVOS= 0x2F,
        LC_VERSION_MIN_WATCHOS= 0x30,
        LC_NOTE           = 0x31,
        LC_BUILD_VERSION  = 0x32,  // minimum; size 6*4 + N*2*4
        LC_DYLD_EXPORTS_TRIE   = (0x33|LC_REQ_DYLD),  // size 4*4
        LC_DYLD_CHAINED_FIXUPS = (0x34|LC_REQ_DYLD),  // size 4*4
        LC_FILESET_ENTRY       = (0x35|LC_REQ_DYLD),  // size 6*4
    };

    enum { // maxprot
        VM_PROT_READ = 1,
        VM_PROT_WRITE = 2,
        VM_PROT_EXECUTE = 4,
    };
#endif  /*}*/

#ifdef WANT_MACH_SECTION_ENUM  /*{*/
#undef WANT_MACH_SECTION_ENUM
    enum : unsigned {
        // section type  (low byte only)
        S_REGULAR = 0,
        S_ZEROFILL,
        S_CSTRING_LITERALS,
        S_4BYTE_LITERALS,
        S_8BYTE_LITERALS,
        S_LITERAL_POINTERS,
        S_NON_LAZY_SYMBOL_POINTERS,  // sectname __nl_symbol_ptr
        S_LAZY_SYMBOL_POINTERS,      // sectname __la_symbol_ptr
        S_SYMBOL_STUBS,
        S_MOD_INIT_FUNC_POINTERS,    // sectname __mod_init_func
        S_MOD_TERM_FUNC_POINTERS,
        S_COALESCED,
        S_GB_ZEROFILL,
        S_INTERPOSING,
        S_16BYTE_LITERALS,
        S_DTRACE_DOF,
        // section flags (high 24 bits)
        S_ATTR_PURE_INSTRUCTIONS = 0x80000000,
        S_ATTR_NO_TOC            = 0x40000000,
        S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
        S_ATTR_NO_DEAD_STRIP     = 0x10000000,
        S_ATTR_LIVE_SUPPORT      = 0x08000000,
        S_ATTR_SELF_MODIFYING_CODE = 0x04000000,
        S_ATTR_DEBUG             = 0x02000000,
        S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
        S_ATTR_EXT_RELOC         = 0x00000200,
        S_ATTR_LOC_RELOC         = 0x00000100,
    };
#endif  /*}*/

#ifdef WANT_MACH_THREAD_ENUM  /*{*/
#undef WANT_MACH_THREAD_ENUM
    enum { // thread flavor
        PPC_THREAD_STATE = 1,
        PPC_THREAD_STATE64 = 5,
        x86_THREAD_STATE32 = 1,
        x86_THREAD_STATE64 = 4,
        i386_OLD_THREAD_STATE = -1,
        ARM_THREAD_STATE = 1,
        ARM_THREAD_STATE64 = 6,  // also ARM_THREAD_STATE64_COUNT 68
    };
#endif  /*}*/

/* vim:set ts=4 sw=4 et: */