diff options
Diffstat (limited to 'newlib/libc/sys/linux/dl/dl-support.c')
| -rw-r--r-- | newlib/libc/sys/linux/dl/dl-support.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/newlib/libc/sys/linux/dl/dl-support.c b/newlib/libc/sys/linux/dl/dl-support.c deleted file mode 100644 index ce5349153..000000000 --- a/newlib/libc/sys/linux/dl/dl-support.c +++ /dev/null @@ -1,184 +0,0 @@ -/* Support for dynamic linking code in static libc. - Copyright (C) 1996, 97, 98, 99, 2000, 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* This file defines some things that for the dynamic linker are defined in - rtld.c and dl-sysdep.c in ways appropriate to bootstrap dynamic linking. */ - -#include <errno.h> -#include <libintl.h> -#include <stdlib.h> -#include <unistd.h> -#include <dirent.h> -#include <pthread.h> -#include <ldsodefs.h> -#include <machine/dl-machine.h> -#include <dl-librecon.h> -#include <unsecvars.h> -#include <machine/hp-timing.h> - -char *__progname = "newlib"; -char **_dl_argv = &__progname; /* This is checked for some error messages. */ - -/* Name of the architecture. */ -const char *_dl_platform; -size_t _dl_platformlen; - -int _dl_debug_mask; -int _dl_lazy; -/* XXX I know about at least one case where we depend on the old weak - behavior (it has to do with librt). Until we get DSO groups implemented - we have to make this the default. Bummer. --drepper */ -#if 0 -int _dl_dynamic_weak; -#else -int _dl_dynamic_weak = 1; -#endif - -/* If nonzero print warnings about problematic situations. */ -int _dl_verbose; - -/* Structure to store information about search paths. */ -struct r_search_path *_dl_search_paths; - -/* We never do profiling. */ -const char *_dl_profile; - -/* Names of shared object for which the RUNPATHs and RPATHs should be - ignored. */ -const char *_dl_inhibit_rpath; - -/* The map for the object we will profile. */ -struct link_map *_dl_profile_map; - -/* This is the address of the last stack address ever used. */ -void *__libc_stack_end; - -/* Path where the binary is found. */ -const char *_dl_origin_path; - -/* Nonzero if runtime lookup should not update the .got/.plt. */ -int _dl_bind_not; - -/* Initially empty list of loaded objects. */ -struct link_map *_dl_loaded; -/* Number of object in the _dl_loaded list. */ -unsigned int _dl_nloaded; - -/* Fake scope. In dynamically linked binaries this is the scope of the - main application but here we don't have something like this. So - create a fake scope containing nothing. */ -struct r_scope_elem _dl_initial_searchlist; -/* Variable which can be used in lookup to process the global scope. */ -struct r_scope_elem *_dl_global_scope[2] = { &_dl_initial_searchlist, NULL }; -/* This is a global pointer to this structure which is public. It is - used by dlopen/dlclose to add and remove objects from what is regarded - to be the global scope. */ -struct r_scope_elem *_dl_main_searchlist = &_dl_initial_searchlist; - -/* Nonzero during startup. */ -int _dl_starting_up = 1; - -/* We expect less than a second for relocation. */ -#ifdef HP_SMALL_TIMING_AVAIL -# undef HP_TIMING_AVAIL -# define HP_TIMING_AVAIL HP_SMALL_TIMING_AVAIL -#endif - -/* Initial value of the CPU clock. */ -#ifndef HP_TIMING_NONAVAIL -hp_timing_t _dl_cpuclock_offset; -#endif - -/* During the program run we must not modify the global data of - loaded shared object simultanously in two threads. Therefore we - protect `_dl_open' and `_dl_close' in dl-close.c. - - This must be a recursive lock since the initializer function of - the loaded object might as well require a call to this function. - At this time it is not anymore a problem to modify the tables. */ -__LOCK_INIT_RECURSIVE(, _dl_load_lock) - - -#ifdef HAVE_AUX_VECTOR -extern int _dl_clktck; - -void -internal_function -_dl_aux_init (ElfW(auxv_t) *av) -{ - for (; av->a_type != AT_NULL; ++av) - switch (av->a_type) - { - case AT_PAGESZ: - _dl_pagesize = av->a_un.a_val; - break; - case AT_CLKTCK: - _dl_clktck = av->a_un.a_val; - break; - } -} -#endif - -void non_dynamic_init (void) __attribute__ ((unused)); - -void -non_dynamic_init (void) -{ - if (HP_TIMING_AVAIL) - HP_TIMING_NOW (_dl_cpuclock_offset); - - if (!_dl_pagesize) - _dl_pagesize = __getpagesize (); - - _dl_verbose = *(getenv ("LD_WARN") ?: "") == '\0' ? 0 : 1; - - /* Initialize the data structures for the search paths for shared - objects. */ - _dl_init_paths (getenv ("LD_LIBRARY_PATH")); - - _dl_lazy = *(getenv ("LD_BIND_NOW") ?: "") == '\0'; - - _dl_bind_not = *(getenv ("LD_BIND_NOT") ?: "") != '\0'; - - _dl_dynamic_weak = *(getenv ("LD_DYNAMIC_WEAK") ?: "") == '\0'; - -#ifdef DL_PLATFORM_INIT - DL_PLATFORM_INIT; -#endif - - /* Now determine the length of the platform string. */ - if (_dl_platform != NULL) - _dl_platformlen = strlen (_dl_platform); -} -text_set_element (__libc_subinit, non_dynamic_init); - -const struct r_strlenpair * -internal_function -_dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz, - size_t *max_capstrlen) -{ - static struct r_strlenpair result; - static char buf[1]; - - result.str = buf; /* Does not really matter. */ - result.len = 0; - - *sz = 1; - return &result; -} |