ld64-305.tar.gz

[apple/ld64.git] / src / abstraction / MachOFileAbstraction.hpp

diff --git a/src/abstraction/MachOFileAbstraction.hpp b/src/abstraction/MachOFileAbstraction.hpp
index a417877b7e7c5745cbe421a8cd16c8c1ad5b37ba..252e41326bc0b6a28f44620a244f05c74214ad5c 100644 (file)
--- a/src/abstraction/MachOFileAbstraction.hpp
+++ b/src/abstraction/MachOFileAbstraction.hpp
@@ -507,6 +507,53 @@
 #define DYLD_CACHE_ADJ_V2_IMAGE_OFF_32                 0x0C
 
 
+#ifndef LC_BUILD_VERSION
+       #define LC_BUILD_VERSION 0x32 /* build for platform min OS version */
+
+       /*
+        * The build_version_command contains the min OS version on which this 
+        * binary was built to run for its platform.  The list of known platforms and
+        * tool values following it.
+        */
+       struct build_version_command {
+               uint32_t        cmd;            /* LC_BUILD_VERSION */
+               uint32_t        cmdsize;        /* sizeof(struct build_version_command) plus */
+                                                               /* ntools * sizeof(struct build_tool_version) */
+               uint32_t        platform;       /* platform */
+               uint32_t        minos;          /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
+               uint32_t        sdk;            /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
+               uint32_t        ntools;         /* number of tool entries following this */
+       };
+
+       struct build_tool_version {
+               uint32_t        tool;           /* enum for the tool */
+               uint32_t        version;        /* version number of the tool */
+       };
+
+       /* Known values for the platform field above. */
+       #define PLATFORM_MACOS          1
+       #define PLATFORM_IOS            2
+       #define PLATFORM_TVOS           3
+       #define PLATFORM_WATCHOS        4
+       #define PLATFORM_BRIDGEOS       5
+
+       /* Known values for the tool field above. */
+       #define TOOL_CLANG      1
+       #define TOOL_SWIFT      2
+       #define TOOL_LD         3
+#endif
+
+#ifndef LC_NOTE
+       #define LC_NOTE 0x31
+       struct note_command {
+               uint32_t    cmd;        /* LC_NOTE */
+               uint32_t    cmdsize;    /* sizeof(struct note_command) */
+               char        data_owner[16];    /* owner name for this LC_NOTE */
+               uint64_t    offset;        /* file offset of this data */
+               uint64_t    size;        /* length of data region */
+       };
+#endif
+
 
 // kind target-address fixup-addr [adj] 
 
@@ -577,7 +624,7 @@ static const ArchInfo archInfoArray[] = {
        #define SUPPORT_ARCH_arm_any 1
 #endif
 #if SUPPORT_ARCH_arm64
-       { "arm64", CPU_TYPE_ARM64,   CPU_SUBTYPE_ARM64_ALL,  "arm64-",  "aarch64-",  false,  false },
+       { "arm64", CPU_TYPE_ARM64,   CPU_SUBTYPE_ARM64_ALL,  "arm64-",  "aarch64-",  true,  false },
 #endif
 #if SUPPORT_ARCH_arm64v8
        { "arm64v8", CPU_TYPE_ARM64, CPU_SUBTYPE_ARM64_V8,   "arm64v8-",  "aarch64-",   true,  false },
@@ -1662,6 +1709,58 @@ private:
 };
 
 
+
+//
+// mach-o build version load command
+//
+template <typename P>
+class macho_build_version_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                platform() const                                                INLINE { return fields.platform; }
+       void                    set_platform(uint32_t value)                    INLINE { E::set32(fields.platform, value); }
+
+       uint32_t                minos() const                                                   INLINE { return fields.minos; }
+       void                    set_minos(uint32_t value)                               INLINE { E::set32(fields.minos, value); }
+
+       uint32_t                sdk() const                                                             INLINE { return fields.sdk; }
+       void                    set_sdk(uint32_t value)                                 INLINE { E::set32(fields.sdk, value); }
+
+       uint32_t                ntools() const                                                  INLINE { return fields.ntools; }
+       void                    set_ntools(uint32_t value)                              INLINE { E::set32(fields.ntools, value); }
+
+
+       typedef typename P::E           E;
+private:
+       build_version_command   fields;
+};
+
+
+//
+// mach-o build version load command
+//
+template <typename P>
+class macho_build_tool_version {
+public:
+       uint32_t                tool() const                                                    INLINE { return E::get32(fields.tool); }
+       void                    set_tool(uint32_t value)                                INLINE { E::set32(fields.tool, value); }
+
+       uint32_t                version() const                                                 INLINE { return E::get32(fields.version); }
+       void                    set_version(uint32_t value)                             INLINE { E::set32(fields.version, value); }
+
+       typedef typename P::E           E;
+private:
+       build_tool_version      fields;
+};
+
+
+
+
 //
 // mach-o __LD, __compact_unwind section in object files
 //