326e27d81f
* Report link errors to stdout with uprintf() so that the user can see what went wrong (PR kern/9214). * Add support code to allow module symbols to be loaded into GDB using the debugger's "sharedlibrary" command.
76 lines
2.3 KiB
Objective-C
76 lines
2.3 KiB
Objective-C
#
|
|
# 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.
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
#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;
|
|
};
|
|
|
|
#
|
|
# Unload a file, releasing dependancies and freeing storage.
|
|
#
|
|
METHOD void unload {
|
|
linker_file_t file;
|
|
};
|
|
|
|
#
|
|
# 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;
|
|
};
|