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Diffstat (limited to 'sysdeps/generic/ldsodefs.h')
-rw-r--r--sysdeps/generic/ldsodefs.h44
1 files changed, 30 insertions, 14 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 52303327c0..3249105ac1 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -29,10 +29,12 @@
#include <elf.h>
#include <dlfcn.h>
+#include <fpu_control.h>
#include <sys/mman.h>
#include <link.h>
#include <dl-lookupcfg.h>
#include <bits/libc-lock.h>
+#include <hp-timing.h>
__BEGIN_DECLS
@@ -234,6 +236,15 @@ struct rtld_global
/* Cached value of `getpagesize ()'. */
EXTERN size_t _dl_pagesize;
+ /* 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. */
+ __libc_lock_define_recursive (EXTERN, _dl_load_lock)
+
/* OS version. */
EXTERN unsigned int _dl_osversion;
/* Platform name. */
@@ -251,12 +262,27 @@ struct rtld_global
/* If nonzero print warnings messages. */
EXTERN int _dl_verbose;
+ /* Do we do lazy relocations? */
+ EXTERN int _dl_lazy;
+
/* Nonzero if runtime lookups should not update the .got/.plt. */
EXTERN int _dl_bind_not;
+ /* Nonzero if references should be treated as weak during runtime
+ linking. */
+ EXTERN int _dl_dynamic_weak;
+
+ /* Default floating-point control word. */
+ EXTERN fpu_control_t _dl_fpu_control;
+
/* The object to be initialized first. */
EXTERN struct link_map *_dl_initfirst;
+ /* Start time on CPU clock. */
+#if HP_TIMING_AVAIL
+ EXTERN hp_timing_t _dl_cpuclock_offset;
+#endif
+
/* Name of the shared object to be profiled (if any). */
EXTERN const char *_dl_profile;
/* Map of shared object to be profiled. */
@@ -268,7 +294,7 @@ struct rtld_global
/* Name of the object we want to trace the prelinking. */
EXTERN const char *_dl_trace_prelink;
- /* Expect cache ID. */
+ /* Expected cache ID. */
EXTERN int _dl_correct_cache_id;
/* Counters for the number of relocations performed. */
@@ -291,6 +317,9 @@ struct rtld_global
EXTERN struct r_search_path_elem *_dl_all_dirs;
EXTERN struct r_search_path_elem *_dl_init_all_dirs;
+ /* File descriptor to write debug messages to. */
+ EXTERN int _dl_debug_fd;
+
/* Structure describing the dynamic linker itself. */
EXTERN struct link_map _dl_rtld_map;
#ifdef SHARED
@@ -303,22 +332,9 @@ extern struct rtld_global _rtld_global;
extern int _dl_argc;
extern char **_dl_argv;
-/* Do we do lazy relocations? */
-extern int _dl_lazy;
-
/* The array with message we print as a last resort. */
extern const char _dl_out_of_memory[];
-/* File descriptor to write debug messages to. */
-extern int _dl_debug_fd;
-
-/* Nonzero if references should be treated as weak during runtime
- linking.
-
- XXX Once we can set the default for this variable to zero move it
- into _rtld_global. */
-extern int _dl_dynamic_weak;
-
/* OS-dependent function to open the zero-fill device. */
extern int _dl_sysdep_open_zero_fill (void); /* dl-sysdep.c */