* Copyright (c) 2007-2008 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _KXLD_RELOC_H
#endif
struct kxld_array;
+struct kxld_dict;
+struct kxld_sect;
+struct kxld_seg;
struct kxld_sym;
struct kxld_symtab;
+struct kxld_vtable;
+struct relocation_info;
+
typedef struct kxld_relocator KXLDRelocator;
typedef struct kxld_reloc KXLDReloc;
typedef boolean_t (*RelocHasPair)(u_int r_type);
-typedef boolean_t (*RelocIsPair)(u_int r_type, u_int prev_r_type);
+typedef u_int (*RelocGetPairType)(u_int prev_r_type);
typedef boolean_t (*RelocHasGot)(u_int r_type);
-typedef kern_return_t(*ProcessReloc)(u_char *instruction, u_int length, u_int pcrel,
- kxld_addr_t base_pc, kxld_addr_t link_pc, kxld_addr_t link_disp, u_int type,
+typedef kern_return_t (*ProcessReloc)(const KXLDRelocator *relocator,
+ u_char *instruction, u_int length, u_int pcrel, kxld_addr_t base_pc,
+ kxld_addr_t link_pc, kxld_addr_t link_disp, u_int type,
kxld_addr_t target, kxld_addr_t pair_target, boolean_t swap);
struct kxld_relocator {
- RelocHasPair reloc_has_pair;
- RelocIsPair reloc_is_pair;
- RelocHasGot reloc_has_got;
- ProcessReloc process_reloc;
- boolean_t is_32_bit;
- boolean_t swap;
+ RelocHasPair reloc_has_pair;
+ RelocGetPairType reloc_get_pair_type;
+ RelocHasGot reloc_has_got;
+ ProcessReloc process_reloc;
+ const struct kxld_symtab *symtab;
+ const struct kxld_array *sectarray;
+ const struct kxld_dict *vtables;
+ const struct kxld_vtable *current_vtable;
+ u_char *file;
+ u_int function_align; /* Power of two alignment of functions */
+ boolean_t is_32_bit;
+ boolean_t swap;
+ boolean_t may_scatter;
};
struct kxld_reloc {
- u_int address;
- u_int target;
- u_int pair_target;
- u_int target_type:3;
- u_int pair_target_type:3;
- u_int reloc_type:4;
- u_int length:2;
- u_int pcrel:1;
+ u_int address;
+ u_int pair_address;
+ u_int target;
+ u_int pair_target;
+ u_int target_type:3;
+ u_int pair_target_type:3;
+ u_int reloc_type:4;
+ u_int length:2;
+ u_int pcrel:1;
};
-struct kxld_array;
-struct kxld_sect;
-struct kxld_seg;
-struct kxld_symtab;
-struct relocation_info;
-
/*******************************************************************************
* Constructors and Destructors
*******************************************************************************/
-
-kern_return_t kxld_relocator_init(KXLDRelocator *relocator, cpu_type_t cputype,
- cpu_subtype_t cpusubtype, boolean_t swap)
- __attribute__((nonnull,visibility("hidden")));
+kern_return_t kxld_relocator_init(KXLDRelocator *relocator, u_char *file,
+ const struct kxld_symtab *symtab, const struct kxld_array *sectarray,
+ cpu_type_t cputype, cpu_subtype_t cpusubtype, boolean_t swap)
+__attribute__((nonnull, visibility("hidden")));
kern_return_t kxld_reloc_create_macho(struct kxld_array *relocarray,
- const KXLDRelocator *relocator, const struct relocation_info *srcs,
+ const KXLDRelocator *relocator, const struct relocation_info *srcs,
u_int nsrcs) __attribute__((nonnull, visibility("hidden")));
void kxld_relocator_clear(KXLDRelocator *relocator)
- __attribute__((nonnull, visibility("hidden")));
+__attribute__((nonnull, visibility("hidden")));
/*******************************************************************************
* Accessors
*******************************************************************************/
boolean_t kxld_relocator_has_pair(const KXLDRelocator *relocator, u_int r_type)
- __attribute__((pure, nonnull,visibility("hidden")));
+__attribute__((pure, nonnull, visibility("hidden")));
-boolean_t kxld_relocator_is_pair(const KXLDRelocator *relocator, u_int r_type,
+u_int kxld_relocator_get_pair_type(const KXLDRelocator *relocator,
u_int last_r_type)
- __attribute__((pure, nonnull,visibility("hidden")));
+__attribute__((pure, nonnull, visibility("hidden")));
boolean_t kxld_relocator_has_got(const KXLDRelocator *relocator, u_int r_type)
- __attribute__((pure, nonnull,visibility("hidden")));
+__attribute__((pure, nonnull, visibility("hidden")));
+
+kxld_addr_t kxld_relocator_get_pointer_at_addr(const KXLDRelocator *relocator,
+ const u_char *data, u_long offset)
+__attribute__((pure, nonnull, visibility("hidden")));
struct kxld_sym * kxld_reloc_get_symbol(const KXLDRelocator *relocator,
- const KXLDReloc *reloc, u_char *data,
- const struct kxld_symtab *symtab)
- __attribute__((pure, nonnull(1,2,4), visibility("hidden")));
+ const KXLDReloc *reloc, const u_char *data)
+__attribute__((pure, nonnull(1, 2), visibility("hidden")));
-kern_return_t kxld_reloc_get_reloc_index_by_offset(const struct kxld_array *relocs,
+kern_return_t kxld_reloc_get_reloc_index_by_offset(const struct kxld_array *relocs,
kxld_size_t offset, u_int *idx)
- __attribute__((nonnull, visibility("hidden")));
+__attribute__((nonnull, visibility("hidden")));
-KXLDReloc * kxld_reloc_get_reloc_by_offset(const struct kxld_array *relocs,
+KXLDReloc * kxld_reloc_get_reloc_by_offset(const struct kxld_array *relocs,
kxld_addr_t offset)
- __attribute__((pure, nonnull, visibility("hidden")));
+__attribute__((pure, nonnull, visibility("hidden")));
+
+#if KXLD_PIC_KEXTS
+u_long kxld_reloc_get_macho_header_size(void)
+__attribute__((pure, visibility("hidden")));
+
+u_long kxld_reloc_get_macho_data_size(const struct kxld_array *locrelocs,
+ const struct kxld_array *extrelocs)
+__attribute__((pure, nonnull, visibility("hidden")));
+
+kern_return_t kxld_reloc_export_macho(const KXLDRelocator *relocator,
+ const struct kxld_array *locrelocs, const struct kxld_array *extrelocs,
+ u_char *buf, u_long *header_offset, u_long header_size,
+ u_long *data_offset, u_long size)
+__attribute__((nonnull, visibility("hidden")));
+#endif /* KXLD_PIC_KEXTS */
/*******************************************************************************
* Modifiers
*******************************************************************************/
kern_return_t kxld_reloc_update_symindex(KXLDReloc *reloc, u_int symindex)
- __attribute__((nonnull,visibility("hidden")));
+__attribute__((nonnull, visibility("hidden")));
-kern_return_t kxld_relocator_process_sect_reloc(const KXLDRelocator *relocator,
- const KXLDReloc *reloc, const struct kxld_sect *sect,
- const struct kxld_array *sectarray, const struct kxld_symtab *symtab)
- __attribute__((nonnull,visibility("hidden")));
+void kxld_relocator_set_vtables(KXLDRelocator *relocator,
+ const struct kxld_dict *vtables)
+__attribute__((nonnull, visibility("hidden")));
-kern_return_t kxld_relocator_process_table_reloc(const KXLDRelocator *relocator,
- const KXLDReloc *reloc, const struct kxld_seg *seg, u_char *file,
- const struct kxld_array *sectarray,
- const struct kxld_symtab *symtab)
- __attribute__((nonnull,visibility("hidden")));
+kern_return_t kxld_relocator_process_sect_reloc(KXLDRelocator *relocator,
+ const KXLDReloc *reloc, const struct kxld_sect *sect)
+__attribute__((nonnull, visibility("hidden")));
-#endif /* _KXLD_RELOC_H */
+kern_return_t kxld_relocator_process_table_reloc(KXLDRelocator *relocator,
+ const KXLDReloc *reloc,
+ const struct kxld_seg *seg,
+ kxld_addr_t link_addr)
+__attribute__((nonnull, visibility("hidden")));
+#endif /* _KXLD_RELOC_H */
projects / apple / xnu.git / blobdiff