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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:13 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:13 -0800 |
commit | 1767f908af327fa388b1c66883760ad851267013 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /libdl | |
parent | a799b53f10e5a6fd51fef4436cfb7ec99836a516 (diff) | |
download | bionic-1767f908af327fa388b1c66883760ad851267013.zip bionic-1767f908af327fa388b1c66883760ad851267013.tar.gz bionic-1767f908af327fa388b1c66883760ad851267013.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'libdl')
-rw-r--r-- | libdl/Android.mk | 58 | ||||
-rw-r--r-- | libdl/MODULE_LICENSE_BSD | 0 | ||||
-rw-r--r-- | libdl/NOTICE | 26 | ||||
-rwxr-xr-x | libdl/dltest.c | 147 | ||||
-rw-r--r-- | libdl/libdl.c | 34 |
5 files changed, 0 insertions, 265 deletions
diff --git a/libdl/Android.mk b/libdl/Android.mk deleted file mode 100644 index 150f704..0000000 --- a/libdl/Android.mk +++ /dev/null @@ -1,58 +0,0 @@ -LOCAL_PATH:= $(call my-dir) - -# -# libdl -# - -include $(CLEAR_VARS) - -# NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from -# libgcc.a are made static to libdl.so. This in turn ensures that libraries that -# a) pull symbols from libgcc.a and b) depend on libdl.so will not rely on libdl.so -# to provide those symbols, but will instead pull them from libgcc.a. Specifically, -# we use this property to make sure libc.so has its own copy of the code from -# libgcc.a it uses. -# -# DO NOT REMOVE --exclude-libs! - -LOCAL_LDFLAGS := -Wl,--exclude-libs=libgcc.a - -# for x86, exclude libgcc_eh.a for the same reasons as above -ifneq ($(TARGET_SIMULATOR),true) -ifeq ($(TARGET_ARCH),x86) -LOCAL_LDFLAGS += -Wl,--exclude-libs=libgcc_eh.a -endif -endif - -LOCAL_SRC_FILES:= libdl.c - -LOCAL_MODULE:= libdl - -# NOTE: libdl needs __aeabi_unwind_cpp_pr0 from libgcc.a but libgcc.a needs a -# few symbols from libc. Using --no-undefined here results in having to link -# against libc creating a circular dependency which is removed and we end up -# with missing symbols. Since this library is just a bunch of stubs, we set -# LOCAL_ALLOW_UNDEFINED_SYMBOLS to remove --no-undefined from the linker flags. -LOCAL_ALLOW_UNDEFINED_SYMBOLS := true -LOCAL_SYSTEM_SHARED_LIBRARIES := - -include $(BUILD_SHARED_LIBRARY) - -BUILD_DLTEST:=0 -ifeq ($(BUILD_DLTEST),1) - -# -# dltest -# - -include $(CLEAR_VARS) - -LOCAL_SRC_FILES:= dltest.c - -LOCAL_MODULE:= dltest - -LOCAL_SHARED_LIBRARIES := libdl - -include $(BUILD_EXECUTABLE) - -endif diff --git a/libdl/MODULE_LICENSE_BSD b/libdl/MODULE_LICENSE_BSD deleted file mode 100644 index e69de29..0000000 --- a/libdl/MODULE_LICENSE_BSD +++ /dev/null diff --git a/libdl/NOTICE b/libdl/NOTICE deleted file mode 100644 index 3831b34..0000000 --- a/libdl/NOTICE +++ /dev/null @@ -1,26 +0,0 @@ -Copyright (C) 2007 The Android Open Source Project -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. -3. Neither the name of the project nor the names of its contributors - may be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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. diff --git a/libdl/dltest.c b/libdl/dltest.c deleted file mode 100755 index 14cd854..0000000 --- a/libdl/dltest.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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 COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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. - */ - -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <getopt.h> -#include <string.h> -#include <dlfcn.h> - -extern char *optarg; -extern int optind, opterr, optopt; - -static struct option long_options[] = { - {"library", required_argument, 0, 'l'}, - {"symbol", required_argument, 0, 's'}, - {"help", no_argument, 0, 'h'}, - {0, 0, 0, 0}, -}; - -/* This array must parallel long_options[] */ -static const char *descriptions[] = { - "specify a library path to look up symbol", - "specify symbol to look up", - "print this help screen", -}; - -void print_help(const char *name) { - fprintf(stdout, - "invokation:\n" - "\t%s [-l <libname>] -s <symbol name>\n" - "\t%s -h\n\n", name, name); - fprintf(stdout, "options:\n"); - struct option *opt = long_options; - const char **desc = descriptions; - while (opt->name) { - fprintf(stdout, "\t-%c/--%s%s: %s\n", - opt->val, - opt->name, - (opt->has_arg ? " (argument)" : ""), - *desc); - opt++; - desc++; - } -} - -int get_options(int argc, char **argv, char **lib, char **sym) -{ - int c; - - *lib = 0; - *sym = 0; - - while (1) { - /* getopt_long stores the option index here. */ - int option_index = 0; - - c = getopt_long (argc, argv, - "l:s:h", - long_options, - &option_index); - /* Detect the end of the options. */ - if (c == -1) break; - - switch (c) { - case 'l': - *lib = strdup(optarg); - break; - case 's': - *sym = strdup(optarg); - break; - case 'h': print_help(argv[0]); exit(EXIT_FAILURE); break; - case '?': - /* getopt_long already printed an error message. */ - break; - default: - fprintf(stderr, "Unknown option"); - exit(EXIT_FAILURE); - } - } - - return optind; -} - -int main(int argc, char **argv) -{ - char *libname, *symname, *prog = *argv; - - get_options(argc, argv, &libname, &symname); - - if (symname == NULL) { - fprintf(stderr, "You must specify a symbol!\n"); - print_help(prog); - exit(EXIT_FAILURE); - } - - { - const char *dlerr; - void *handle, *symbol; - - printf("opening library [%s]\n", libname); - dlerr = dlerror(); - handle = libname ? dlopen(libname, RTLD_NOW) : RTLD_DEFAULT; - dlerr = dlerror(); - if (dlerr != NULL) fprintf(stderr, "dlopen() error: %s\n", dlerr); - - printf("opening symbol [%s]\n", symname); - symbol = dlsym(handle, symname); - dlerr = dlerror(); - if (dlerr != NULL) fprintf(stderr, "dlsym() error: %s\n", dlerr); - - printf("closing library [%s]\n", libname); - dlclose(handle); - dlerr = dlerror(); - if (dlerr != NULL) fprintf(stderr, "dlclose() error: %s\n", dlerr); - else printf("successfully opened symbol\n"); - } - - if (libname != NULL) free(libname); - if (symname != NULL) free(symname); - return 0; -} diff --git a/libdl/libdl.c b/libdl/libdl.c deleted file mode 100644 index 52707f1..0000000 --- a/libdl/libdl.c +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* These are stubs for functions that are actually defined - * in the dynamic linker (dlfcn.c), and hijacked at runtime. - */ -void *dlopen(const char *filename, int flag) { return 0; } -char *dlerror(void) { return 0; } -void *dlsym(void *handle, const char *symbol) { return 0; } -int dlclose(void *handle) { return 0; } - -#ifdef __arm__ -void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; } -#elif defined(__i386__) -/* we munge the cb definition so we don't have to include any headers here. - * It won't affect anything since these are just symbols anyway */ -int dl_iterate_phdr(int (*cb)(void *info, void *size, void *data), - void *data) { return 0; } -#else -#error Unsupported architecture. Only arm and x86 are supported. -#endif |