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Diffstat (limited to 'elf/rtld.c')
-rw-r--r--elf/rtld.c101
1 files changed, 56 insertions, 45 deletions
diff --git a/elf/rtld.c b/elf/rtld.c
index c0e15a6..cf82d5a 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -18,6 +18,7 @@
02111-1307 USA. */
#include <errno.h>
+#include <dlfcn.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdlib.h>
@@ -121,6 +122,27 @@ struct rtld_global_ro _rtld_global_ro attribute_relro =
._dl_hwcap_mask = HWCAP_IMPORTANT,
._dl_lazy = 1,
._dl_fpu_control = _FPU_DEFAULT,
+
+ /* Function pointers. */
+ ._dl_get_origin = _dl_get_origin,
+ ._dl_dst_count = _dl_dst_count,
+ ._dl_dst_substitute = _dl_dst_substitute,
+ ._dl_map_object = _dl_map_object,
+ ._dl_map_object_deps = _dl_map_object_deps,
+ ._dl_relocate_object = _dl_relocate_object,
+ ._dl_check_map_versions = _dl_check_map_versions,
+ ._dl_init = _dl_init,
+ ._dl_debug_state = _dl_debug_state,
+ ._dl_unload_cache = _dl_unload_cache,
+ ._dl_debug_printf = _dl_debug_printf,
+ ._dl_catch_error = _dl_catch_error,
+ ._dl_signal_error = _dl_signal_error,
+ ._dl_start_profile = _dl_start_profile,
+ ._dl_mcount = _dl_mcount_internal,
+ ._dl_lookup_symbol = _dl_lookup_symbol,
+ ._dl_lookup_versioned_symbol = _dl_lookup_versioned_symbol,
+ ._dl_lookup_symbol_skip = _dl_lookup_symbol_skip,
+ ._dl_lookup_versioned_symbol_skip = _dl_lookup_versioned_symbol_skip,
};
/* If we would use strong_alias here the compiler would see a
non-hidden definition. This would undo the effect of the previous
@@ -551,16 +573,15 @@ relocate_doit (void *a)
{
struct relocate_args *args = (struct relocate_args *) a;
- INTUSE(_dl_relocate_object) (args->l, args->l->l_scope, args->lazy, 0);
+ _dl_relocate_object (args->l, args->l->l_scope, args->lazy, 0);
}
static void
map_doit (void *a)
{
struct map_args *args = (struct map_args *) a;
- args->map = INTUSE(_dl_map_object) (args->loader, args->str,
- args->is_preloaded, lt_library, 0,
- args->mode);
+ args->map = _dl_map_object (args->loader, args->str,
+ args->is_preloaded, lt_library, 0, args->mode);
}
static void
@@ -823,7 +844,7 @@ of this helper program; chances are you did not intend to run this program.\n\
args.loader = NULL;
args.is_preloaded = 0;
args.mode = __RTLD_OPENEXEC;
- (void) INTUSE(_dl_catch_error) (&objname, &err_str, map_doit, &args);
+ (void) _dl_catch_error (&objname, &err_str, map_doit, &args);
if (__builtin_expect (err_str != NULL, 0))
/* We don't free the returned string, the programs stops
anyway. */
@@ -832,8 +853,8 @@ of this helper program; chances are you did not intend to run this program.\n\
else
{
HP_TIMING_NOW (start);
- INTUSE(_dl_map_object) (NULL, rtld_progname, 0, lt_library, 0,
- __RTLD_OPENEXEC);
+ _dl_map_object (NULL, rtld_progname, 0, lt_library, 0,
+ __RTLD_OPENEXEC);
HP_TIMING_NOW (stop);
HP_TIMING_DIFF (load_time, start, stop);
@@ -1094,10 +1115,8 @@ of this helper program; chances are you did not intend to run this program.\n\
&& (__builtin_expect (! INTUSE(__libc_enable_secure), 1)
|| strchr (p, '/') == NULL))
{
- struct link_map *new_map = INTUSE(_dl_map_object) (GL(dl_loaded),
- p, 1,
- lt_library,
- 0, 0);
+ struct link_map *new_map = _dl_map_object (GL(dl_loaded), p, 1,
+ lt_library, 0, 0);
if (++new_map->l_opencount == 1)
/* It is no duplicate. */
++npreloads;
@@ -1174,8 +1193,7 @@ of this helper program; chances are you did not intend to run this program.\n\
args.is_preloaded = 1;
args.mode = 0;
- (void) INTUSE(_dl_catch_error) (&objname, &err_str, map_doit,
- &args);
+ (void) _dl_catch_error (&objname, &err_str, map_doit, &args);
if (__builtin_expect (err_str != NULL, 0))
{
_dl_error_printf ("\
@@ -1193,9 +1211,8 @@ ERROR: ld.so: object '%s' from %s cannot be preloaded: ignored.\n",
if (problem != NULL)
{
char *p = strndupa (problem, file_size - (problem - file));
- struct link_map *new_map = INTUSE(_dl_map_object) (GL(dl_loaded), p,
- 1, lt_library,
- 0, 0);
+ struct link_map *new_map = _dl_map_object (GL(dl_loaded), p, 1,
+ lt_library, 0, 0);
if (++new_map->l_opencount == 1)
/* It is no duplicate. */
++npreloads;
@@ -1294,8 +1311,7 @@ ERROR: ld.so: object '%s' from %s cannot be preloaded: ignored.\n",
specified some libraries to load, these are inserted before the actual
dependencies in the executable's searchlist for symbol resolution. */
HP_TIMING_NOW (start);
- INTUSE(_dl_map_object_deps) (GL(dl_loaded), preloads, npreloads,
- mode == trace, 0);
+ _dl_map_object_deps (GL(dl_loaded), preloads, npreloads, mode == trace, 0);
HP_TIMING_NOW (stop);
HP_TIMING_DIFF (diff, start, stop);
HP_TIMING_ACCUM_NT (load_time, diff);
@@ -1505,10 +1521,9 @@ cannot allocate TLS data structures for initial thread");
ElfW(Addr) loadbase;
lookup_t result;
- result = INTUSE(_dl_lookup_symbol) (INTUSE(_dl_argv)[i],
- GL(dl_loaded),
- &ref, GL(dl_loaded)->l_scope,
- ELF_RTYPE_CLASS_PLT, 1);
+ result = _dl_lookup_symbol (INTUSE(_dl_argv)[i], GL(dl_loaded),
+ &ref, GL(dl_loaded)->l_scope,
+ ELF_RTYPE_CLASS_PLT, 1);
loadbase = LOOKUP_VALUE_ADDRESS (result);
@@ -1545,8 +1560,8 @@ cannot allocate TLS data structures for initial thread");
if ((GLRO(dl_debug_mask) & DL_DEBUG_PRELINK)
&& GL(dl_rtld_map).l_opencount > 1)
- INTUSE(_dl_relocate_object) (&GL(dl_rtld_map),
- GL(dl_loaded)->l_scope, 0, 0);
+ _dl_relocate_object (&GL(dl_rtld_map), GL(dl_loaded)->l_scope,
+ 0, 0);
}
#define VERNEEDTAG (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (DT_VERNEED))
@@ -1783,8 +1798,8 @@ cannot allocate TLS data structures for initial thread");
}
if (l != &GL(dl_rtld_map))
- INTUSE(_dl_relocate_object) (l, l->l_scope, GLRO(dl_lazy),
- consider_profiling);
+ _dl_relocate_object (l, l->l_scope, GLRO(dl_lazy),
+ consider_profiling);
l = l->l_prev;
}
@@ -1806,16 +1821,14 @@ cannot allocate TLS data structures for initial thread");
needs to have _dl_profile_map set up by the relocator. */
if (__builtin_expect (GL(dl_profile_map) != NULL, 0))
/* We must prepare the profiling. */
- INTUSE(_dl_start_profile) (GL(dl_profile_map),
- GLRO(dl_profile_output));
+ _dl_start_profile (GL(dl_profile_map), GLRO(dl_profile_output));
if (GL(dl_rtld_map).l_opencount > 1)
{
/* There was an explicit ref to the dynamic linker as a shared lib.
Re-relocate ourselves with user-controlled symbol definitions. */
HP_TIMING_NOW (start);
- INTUSE(_dl_relocate_object) (&GL(dl_rtld_map), GL(dl_loaded)->l_scope,
- 0, 0);
+ _dl_relocate_object (&GL(dl_rtld_map), GL(dl_loaded)->l_scope, 0, 0);
HP_TIMING_NOW (stop);
HP_TIMING_DIFF (add, start, stop);
HP_TIMING_ACCUM_NT (relocate_time, add);
@@ -1854,11 +1867,11 @@ cannot allocate TLS data structures for initial thread");
/* Notify the debugger that all objects are now mapped in. */
r->r_state = RT_ADD;
- INTUSE(_dl_debug_state) ();
+ _dl_debug_state ();
#ifndef MAP_COPY
/* We must munmap() the cache file. */
- INTUSE(_dl_unload_cache) ();
+ _dl_unload_cache ();
#endif
/* Once we return, _dl_sysdep_start will invoke
@@ -2211,9 +2224,8 @@ print_statistics (hp_timing_t *rtld_total_timep)
if (HP_TIMING_AVAIL)
{
HP_TIMING_PRINT (buf, sizeof (buf), *rtld_total_timep);
- INTUSE(_dl_debug_printf) ("\nruntime linker statistics:\n"
- " total startup time in dynamic loader: %s\n",
- buf);
+ _dl_debug_printf ("\nruntime linker statistics:\n"
+ " total startup time in dynamic loader: %s\n", buf);
/* Print relocation statistics. */
char pbuf[30];
@@ -2232,9 +2244,8 @@ print_statistics (hp_timing_t *rtld_total_timep)
*wp++ = *cp++;
}
*wp = '\0';
- INTUSE(_dl_debug_printf) ("\
- time needed for relocation: %s (%s%%)\n",
- buf, pbuf);
+ _dl_debug_printf ("\
+ time needed for relocation: %s (%s%%)\n", buf, pbuf);
}
#endif
@@ -2255,12 +2266,12 @@ print_statistics (hp_timing_t *rtld_total_timep)
num_relative_relocations += l->l_info[VERSYMIDX (DT_RELACOUNT)]->d_un.d_val;
}
- INTUSE(_dl_debug_printf) (" number of relocations: %lu\n",
- GL(dl_num_relocations));
- INTUSE(_dl_debug_printf) (" number of relocations from cache: %lu\n",
- GL(dl_num_cache_relocations));
- INTUSE(_dl_debug_printf) (" number of relative relocations: %lu\n",
- num_relative_relocations);
+ _dl_debug_printf (" number of relocations: %lu\n",
+ GL(dl_num_relocations));
+ _dl_debug_printf (" number of relocations from cache: %lu\n",
+ GL(dl_num_cache_relocations));
+ _dl_debug_printf (" number of relative relocations: %lu\n",
+ num_relative_relocations);
#ifndef HP_TIMING_NONAVAIL
/* Time spend while loading the object and the dependencies. */
@@ -2282,7 +2293,7 @@ print_statistics (hp_timing_t *rtld_total_timep)
*wp++ = *cp++;
}
*wp = '\0';
- INTUSE(_dl_debug_printf) ("\
+ _dl_debug_printf ("\
time needed to load objects: %s (%s%%)\n",
buf, pbuf);
}
generated by cgit v1.1 at 2024-11-22 12:28:47 +0000