xnu-4570.1.46.tar.gz

[apple/xnu.git] / libkern / kxld / kxld_util.h

diff --git a/libkern/kxld/kxld_util.h b/libkern/kxld/kxld_util.h
index 3392b4a74a2ef205ca8ff0aa533f293fdc0c9724..d8be6faefc539607208393c7ce7605c2cf6cb9aa 100644 (file)
--- a/libkern/kxld/kxld_util.h
+++ b/libkern/kxld/kxld_util.h
@@ -28,13 +28,18 @@
 #ifndef _KXLD_UTIL_H_
 #define _KXLD_UTIL_H_
 
-#include <mach/machine.h>
 #include <sys/types.h>
 #if KERNEL
     #include <libkern/kxld_types.h>
+    #include <mach/machine.h>
 #else
     #include <architecture/byte_order.h>
     #include "kxld_types.h"
+
+    /* Get machine.h from the kernel source so we can support all platforms
+     * that the kernel supports. Otherwise we're at the mercy of the host.
+     */
+    #include "../../osfmk/mach/machine.h"
 #endif
 
 /* 64-bit helpers */
@@ -119,13 +124,15 @@ void kxld_log(KXLDLogSubsystem subsystem, KXLDLogLevel level,
 #define kKxldLogMalformedMachO          "The Mach-O file is malformed: "
 #define kKxldLogMalformedVTable         "The vtable '%s' is malformed. Make sure your kext has been built against the correct headers."
 #define kKxldLogMissingVtable           "Cannot find the vtable '%s' for class '%s'. This vtable symbol is required for binary compatibility, and it may have been stripped."
+#define kKxldLogDirectPureVirtualCall   "This kext calls a pure virtual function. Make sure your kext's OSObject-derived classes implement all pure virtual functions."
 #define kKxldLogParentOutOfDate         "The super class vtable '%s' for vtable '%s' is out of date. Make sure your kext has been built against the correct headers."
 #define kKxldLogNoKmodInfo              "The kext is missing its kmod_info structure."
-#define kKxldLogInvalidSectReloc        "Relocation entry %u from section %s,%s cannot be processed."
-#define kKxldLogInvalidExtReloc         "External relocation entry %u cannot be processed."
-#define kKxldLogInvalidIntReloc         "Internal relocation entry %u cannot be processed."
 #define kKxldLogRelocationOverflow      "A relocation entry has overflowed. The kext may be too far from one " \
                                         "of its dependencies. Check your kext's load address."
+#define kKxldLogRelocatingPatchedSym    "Relocation failed because some class in this kext "    \
+    "didn't use the OSDeclareDefaultStructors and OSDefineMetaClassAndStructors, so it still "  \
+    "references %s, which has been patched with another symbol for binary compatibility. "      \
+    "Please make sure all classes that inherit from OSObject use these macros."
 
 /*******************************************************************************
 * Allocators 
@@ -183,13 +190,13 @@ void unswap_macho(u_char *file, enum NXByteOrder host_order,
 *******************************************************************************/
 
 kxld_addr_t kxld_align_address(kxld_addr_t address, u_int align)
-    __attribute__((const, nonnull, visibility("hidden")));
+    __attribute__((const, visibility("hidden")));
 
 boolean_t kxld_is_32_bit(cpu_type_t)
-    __attribute__((const, nonnull, visibility("hidden")));
+    __attribute__((const, visibility("hidden")));
 
 const char * kxld_strstr(const char *s, const char *find)
-    __attribute__((pure, nonnull, visibility("hidden")));
+    __attribute__((pure, visibility("hidden")));
 
 /*******************************************************************************
 * Debugging
@@ -198,4 +205,17 @@ const char * kxld_strstr(const char *s, const char *find)
 void kxld_print_memory_report(void) 
     __attribute__((visibility("hidden")));
 
+/*******************************************************************************
+* Cross Linking
+*******************************************************************************/
+#if !KERNEL
+boolean_t kxld_set_cross_link_page_size(kxld_size_t target_page_size);
+#endif /* !KERNEL */
+kxld_size_t kxld_get_effective_page_size(void);
+kxld_addr_t kxld_round_page_cross_safe(kxld_addr_t addr);
+
+#if SPLIT_KEXTS_DEBUG
+void kxld_show_split_info(splitKextLinkInfo *info);
+#endif
+
 #endif /* _KXLD_UTIL_H_ */