#define S_16BYTE_LITERALS 0xE
#endif
-#include "FileAbstraction.hpp"
-#include "Architectures.hpp"
+#ifndef CPU_SUBTYPE_ARM_V5TEJ
+ #define CPU_SUBTYPE_ARM_V5TEJ ((cpu_subtype_t) 7)
+#endif
+#ifndef CPU_SUBTYPE_ARM_XSCALE
+ #define CPU_SUBTYPE_ARM_XSCALE ((cpu_subtype_t) 8)
+#endif
+#ifndef CPU_SUBTYPE_ARM_V7
+ #define CPU_SUBTYPE_ARM_V7 ((cpu_subtype_t) 9)
+#endif
+#ifndef CPU_SUBTYPE_ARM_V7F
+ #define CPU_SUBTYPE_ARM_V7F ((cpu_subtype_t) 10)
+#endif
+#ifndef CPU_SUBTYPE_ARM_V7K
+ #define CPU_SUBTYPE_ARM_V7K ((cpu_subtype_t) 12)
+#endif
+#ifndef CPU_SUBTYPE_ARM_V7S
+ #define CPU_SUBTYPE_ARM_V7S ((cpu_subtype_t) 11)
+#endif
+#ifndef CPU_SUBTYPE_ARM64_ALL
+ #define CPU_SUBTYPE_ARM64_ALL ((cpu_subtype_t) 0)
+#endif
+#ifndef CPU_TYPE_ARM64
+ #define CPU_TYPE_ARM64 ((cpu_type_t) (CPU_TYPE_ARM | CPU_ARCH_ABI64))
+#endif
+#define ARM64_RELOC_UNSIGNED 0 // for pointers
-//
-// This abstraction layer makes every mach-o file look like a 64-bit mach-o file with native endianness
-//
+#ifndef LC_LOAD_UPWARD_DYLIB
+ #define LC_LOAD_UPWARD_DYLIB (0x23|LC_REQ_DYLD) /* load of dylib whose initializers run later */
+#endif
+#ifndef EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER
+ #define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
+#endif
+#ifndef EXPORT_SYMBOL_FLAGS_REEXPORT
+ #define EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
+#endif
+#ifndef LC_FUNCTION_STARTS
+ #define LC_FUNCTION_STARTS 0x26
+#endif
-//
-// mach-o file header
-//
-template <typename P> struct macho_header_content {};
-template <> struct macho_header_content<Pointer32<BigEndian> > { mach_header fields; };
-template <> struct macho_header_content<Pointer64<BigEndian> > { mach_header_64 fields; };
-template <> struct macho_header_content<Pointer32<LittleEndian> > { mach_header fields; };
-template <> struct macho_header_content<Pointer64<LittleEndian> > { mach_header_64 fields; };
+#ifndef LC_DATA_IN_CODE
+ #define LC_DATA_IN_CODE 0x29
+#endif
-template <typename P>
-class macho_header {
-public:
- uint32_t magic() const INLINE { return E::get32(header.fields.magic); }
- void set_magic(uint32_t value) INLINE { E::set32(header.fields.magic, value); }
+#ifndef LC_DYLIB_CODE_SIGN_DRS
+ #define LC_DYLIB_CODE_SIGN_DRS 0x2B
+#endif
- uint32_t cputype() const INLINE { return E::get32(header.fields.cputype); }
- void set_cputype(uint32_t value) INLINE { E::set32((uint32_t&)header.fields.cputype, value); }
+#ifndef CPU_SUBTYPE_X86_64_H
+ #define CPU_SUBTYPE_X86_64_H ((cpu_subtype_t) 8)
+#endif
- uint32_t cpusubtype() const INLINE { return E::get32(header.fields.cpusubtype); }
- void set_cpusubtype(uint32_t value) INLINE { E::set32((uint32_t&)header.fields.cpusubtype, value); }
- uint32_t filetype() const INLINE { return E::get32(header.fields.filetype); }
- void set_filetype(uint32_t value) INLINE { E::set32(header.fields.filetype, value); }
+#define DYLD_CACHE_ADJ_V2_FORMAT 0x7F
- uint32_t ncmds() const INLINE { return E::get32(header.fields.ncmds); }
- void set_ncmds(uint32_t value) INLINE { E::set32(header.fields.ncmds, value); }
+#define DYLD_CACHE_ADJ_V2_POINTER_32 0x01
+#define DYLD_CACHE_ADJ_V2_POINTER_64 0x02
+#define DYLD_CACHE_ADJ_V2_DELTA_32 0x03
+#define DYLD_CACHE_ADJ_V2_DELTA_64 0x04
+#define DYLD_CACHE_ADJ_V2_ARM64_ADRP 0x05
+#define DYLD_CACHE_ADJ_V2_ARM64_OFF12 0x06
+#define DYLD_CACHE_ADJ_V2_ARM64_BR26 0x07
+#define DYLD_CACHE_ADJ_V2_ARM_MOVW_MOVT 0x08
+#define DYLD_CACHE_ADJ_V2_ARM_BR24 0x09
+#define DYLD_CACHE_ADJ_V2_THUMB_MOVW_MOVT 0x0A
+#define DYLD_CACHE_ADJ_V2_THUMB_BR22 0x0B
+#define DYLD_CACHE_ADJ_V2_IMAGE_OFF_32 0x0C
- uint32_t sizeofcmds() const INLINE { return E::get32(header.fields.sizeofcmds); }
- void set_sizeofcmds(uint32_t value) INLINE { E::set32(header.fields.sizeofcmds, value); }
+#define MH_HAS_OBJC 0x40000000
- uint32_t flags() const INLINE { return E::get32(header.fields.flags); }
- void set_flags(uint32_t value) INLINE { E::set32(header.fields.flags, value); }
+#ifndef CPU_SUBTYPE_ARM64_E
+ #define CPU_SUBTYPE_ARM64_E 2
+#endif
- uint32_t reserved() const INLINE { return E::get32(header.fields.reserved); }
- void set_reserved(uint32_t value) INLINE { E::set32(header.fields.reserved, value); }
+#include "FileAbstraction.hpp"
+#include "Architectures.hpp"
- typedef typename P::E E;
-private:
- macho_header_content<P> header;
+// utility to pair together a cpu-type and cpu-sub-type
+struct ArchPair
+{
+ uint32_t arch;
+ uint32_t subtype;
+
+ ArchPair(uint32_t cputype, uint32_t cpusubtype) : arch(cputype), subtype(cpusubtype) {}
+
+ bool operator<(const ArchPair& other) const {
+ if ( this->arch != other.arch )
+ return (this->arch < other.arch);
+ return (this->subtype < other.subtype);
+ }
+
+ bool operator==(const ArchPair& other) const {
+ return this->arch == other.arch && this->subtype == other.subtype;
+ }
};
+//
+// This abstraction layer makes every mach-o file look like a 64-bit mach-o file with native endianness
+//
+
//
// mach-o load command
//
};
+//
+// mach-o file header
+//
+template <typename P> struct macho_header_content {};
+template <> struct macho_header_content<Pointer32<BigEndian> > { mach_header fields; };
+template <> struct macho_header_content<Pointer64<BigEndian> > { mach_header_64 fields; };
+template <> struct macho_header_content<Pointer32<LittleEndian> > { mach_header fields; };
+template <> struct macho_header_content<Pointer64<LittleEndian> > { mach_header_64 fields; };
+
+template <typename P>
+class macho_header {
+public:
+ uint32_t magic() const INLINE { return E::get32(header.fields.magic); }
+ void set_magic(uint32_t value) INLINE { E::set32(header.fields.magic, value); }
+
+ uint32_t cputype() const INLINE { return E::get32(header.fields.cputype); }
+ void set_cputype(uint32_t value) INLINE { E::set32((uint32_t&)header.fields.cputype, value); }
+
+ uint32_t cpusubtype() const INLINE { return E::get32(header.fields.cpusubtype); }
+ void set_cpusubtype(uint32_t value) INLINE { E::set32((uint32_t&)header.fields.cpusubtype, value); }
+
+ uint32_t filetype() const INLINE { return E::get32(header.fields.filetype); }
+ void set_filetype(uint32_t value) INLINE { E::set32(header.fields.filetype, value); }
+
+ uint32_t ncmds() const INLINE { return E::get32(header.fields.ncmds); }
+ void set_ncmds(uint32_t value) INLINE { E::set32(header.fields.ncmds, value); }
+
+ uint32_t sizeofcmds() const INLINE { return E::get32(header.fields.sizeofcmds); }
+ void set_sizeofcmds(uint32_t value) INLINE { E::set32(header.fields.sizeofcmds, value); }
+
+ uint32_t flags() const INLINE { return E::get32(header.fields.flags); }
+ void set_flags(uint32_t value) INLINE { E::set32(header.fields.flags, value); }
+
+ uint32_t reserved() const INLINE { return E::get32(header.fields.reserved); }
+ void set_reserved(uint32_t value) INLINE { E::set32(header.fields.reserved, value); }
+
+ const macho_segment_command<P>* getSegment(const char *segname) const
+ {
+ const macho_load_command<P>* cmds = (macho_load_command<P>*)((uint8_t*)this + sizeof(macho_header<P>));
+ uint32_t cmd_count = this->ncmds();
+ const macho_load_command<P>* cmd = cmds;
+ for (uint32_t i = 0; i < cmd_count; ++i) {
+ if ( cmd->cmd() == macho_segment_command<P>::CMD ) {
+ const macho_segment_command<P>* segcmd = (macho_segment_command<P>*)cmd;
+ if (0 == strncmp(segname, segcmd->segname(), 16)) {
+ return segcmd;
+ }
+ }
+ cmd = (macho_load_command<P>*)(((uint8_t*)cmd)+cmd->cmdsize());
+ }
+ return NULL;
+ }
+
+ const macho_section<P>* getSection(const char *segname, const char *sectname) const
+ {
+ const macho_segment_command<P>* segcmd = getSegment(segname);
+ if (!segcmd) return NULL;
+
+ const macho_section<P>* sectcmd = (macho_section<P>*)(segcmd+1);
+ uint32_t section_count = segcmd->nsects();
+ for (uint32_t j = 0; j < section_count; ++j) {
+ if (0 == ::strncmp(sectcmd[j].sectname(), sectname, 16)) {
+ return sectcmd+j;
+ }
+ }
+
+ if (strcmp(segname, "__DATA") == 0)
+ return getSection("__DATA_CONST", sectname);
+ return NULL;
+ }
+
+ const macho_load_command<P>* getLoadCommand(int query) const
+ {
+ const macho_load_command<P>* cmds = (macho_load_command<P>*)((uint8_t*)this + sizeof(macho_header<P>));
+ uint32_t cmd_count = this->ncmds();
+ const macho_load_command<P>* cmd = cmds;
+ for (uint32_t i = 0; i < cmd_count; ++i) {
+ if ( cmd->cmd() == query ) {
+ return cmd;
+ }
+ cmd = (macho_load_command<P>*)(((uint8_t*)cmd)+cmd->cmdsize());
+ }
+ return NULL;
+ }
+
+ typedef typename P::E E;
+private:
+ macho_header_content<P> header;
+};
+
+
+
+//
+// compressed dyld info load command
+//
+template <typename P>
+class macho_dyld_info_command {
+public:
+ uint32_t cmd() const INLINE { return E::get32(fields.cmd); }
+ void set_cmd(uint32_t value) INLINE { E::set32(fields.cmd, value); }
+
+ uint32_t cmdsize() const INLINE { return E::get32(fields.cmdsize); }
+ void set_cmdsize(uint32_t value) INLINE { E::set32(fields.cmdsize, value); }
+ uint32_t rebase_off() const INLINE { return E::get32(fields.rebase_off); }
+ void set_rebase_off(uint32_t value) INLINE { E::set32(fields.rebase_off, value); }
+
+ uint32_t rebase_size() const INLINE { return E::get32(fields.rebase_size); }
+ void set_rebase_size(uint32_t value) INLINE { E::set32(fields.rebase_size, value); }
+
+ uint32_t bind_off() const INLINE { return E::get32(fields.bind_off); }
+ void set_bind_off(uint32_t value) INLINE { E::set32(fields.bind_off, value); }
+
+ uint32_t bind_size() const INLINE { return E::get32(fields.bind_size); }
+ void set_bind_size(uint32_t value) INLINE { E::set32(fields.bind_size, value); }
+
+ uint32_t weak_bind_off() const INLINE { return E::get32(fields.weak_bind_off); }
+ void set_weak_bind_off(uint32_t value) INLINE { E::set32(fields.weak_bind_off, value); }
+
+ uint32_t weak_bind_size() const INLINE { return E::get32(fields.weak_bind_size); }
+ void set_weak_bind_size(uint32_t value) INLINE { E::set32(fields.weak_bind_size, value); }
+
+ uint32_t lazy_bind_off() const INLINE { return E::get32(fields.lazy_bind_off); }
+ void set_lazy_bind_off(uint32_t value) INLINE { E::set32(fields.lazy_bind_off, value); }
+
+ uint32_t lazy_bind_size() const INLINE { return E::get32(fields.lazy_bind_size); }
+ void set_lazy_bind_size(uint32_t value) INLINE { E::set32(fields.lazy_bind_size, value); }
+
+ uint32_t export_off() const INLINE { return E::get32(fields.export_off); }
+ void set_export_off(uint32_t value) INLINE { E::set32(fields.export_off, value); }
+
+ uint32_t export_size() const INLINE { return E::get32(fields.export_size); }
+ void set_export_size(uint32_t value) INLINE { E::set32(fields.export_size, value); }
+
+
+ typedef typename P::E E;
+private:
+ dyld_info_command fields;
+};
+#ifndef NO_ULEB
+inline uint64_t read_uleb128(const uint8_t*& p, const uint8_t* end) {
+ uint64_t result = 0;
+ int bit = 0;
+ do {
+ if (p == end)
+ throw "malformed uleb128 extends beyond trie";
+
+ uint64_t slice = *p & 0x7f;
+
+ if (bit >= 64 || slice << bit >> bit != slice)
+ throw "uleb128 too big for 64-bits";
+ else {
+ result |= (slice << bit);
+ bit += 7;
+ }
+ }
+ while (*p++ & 0x80);
+ return result;
+}
+
+
+inline int64_t read_sleb128(const uint8_t*& p, const uint8_t* end)
+{
+ int64_t result = 0;
+ int bit = 0;
+ uint8_t byte;
+ do {
+ if (p == end)
+ throw "malformed sleb128";
+ byte = *p++;
+ result |= (((int64_t)(byte & 0x7f)) << bit);
+ bit += 7;
+ } while (byte & 0x80);
+ // sign extend negative numbers
+ if ( (byte & 0x40) != 0 )
+ result |= (-1LL) << bit;
+ return result;
+}
+
+#endif
#endif // __MACH_O_FILE_ABSTRACTION__
projects / apple / dyld.git / blobdiff