Current Path : /sys/kern/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/kern/linker_if.m |
#- # Copyright (c) 2000 Doug Rabson # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # $FreeBSD: release/9.1.0/sys/kern/linker_if.m 194016 2009-06-11 17:05:45Z avg $ # #include <sys/linker.h> INTERFACE linker; # # Lookup a symbol in the file's symbol table. If the symbol is not # found then return ENOENT, otherwise zero. # METHOD int lookup_symbol { linker_file_t file; const char* name; c_linker_sym_t* symp; }; METHOD int symbol_values { linker_file_t file; c_linker_sym_t sym; linker_symval_t* valp; }; METHOD int search_symbol { linker_file_t file; caddr_t value; c_linker_sym_t* symp; long* diffp; }; # # Call the callback with each specified function defined in the file. # Stop and return the error if the callback returns an error. # METHOD int each_function_name { linker_file_t file; linker_function_name_callback_t callback; void* opaque; }; # # Call the callback with each specified function and it's value # defined in the file. # Stop and return the error if the callback returns an error. # METHOD int each_function_nameval { linker_file_t file; linker_function_nameval_callback_t callback; void* opaque; }; # # Search for a linker set in a file. Return a pointer to the first # entry (which is itself a pointer), and the number of entries. # "stop" points to the entry beyond the last valid entry. # If count, start or stop are NULL, they are not returned. # METHOD int lookup_set { linker_file_t file; const char* name; void*** start; void*** stop; int* count; }; # # Unload a file, releasing dependancies and freeing storage. # METHOD void unload { linker_file_t file; }; # # Load CTF data if necessary and if there is a .SUNW_ctf section # in the ELF file, returning info in the linker CTF structure. # METHOD int ctf_get { linker_file_t file; linker_ctf_t *lc; }; # # Get the symbol table, returning it in **symtab. Return the # number of symbols, otherwise zero. # METHOD long symtab_get { linker_file_t file; const Elf_Sym **symtab; }; # # Get the string table, returning it in *strtab. Return the # size (in bytes) of the string table, otherwise zero. # METHOD long strtab_get { linker_file_t file; caddr_t *strtab; }; # # Load a file, returning the new linker_file_t in *result. If # the class does not recognise the file type, zero should be # returned, without modifying *result. If the file is # recognised, the file should be loaded, *result set to the new # file and zero returned. If some other error is detected an # appropriate errno should be returned. # STATICMETHOD int load_file { linker_class_t cls; const char* filename; linker_file_t* result; }; STATICMETHOD int link_preload { linker_class_t cls; const char* filename; linker_file_t* result; }; METHOD int link_preload_finish { linker_file_t file; };