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authorUlrich Drepper <drepper@redhat.com>2002-02-01 01:33:04 +0000
committerUlrich Drepper <drepper@redhat.com>2002-02-01 01:33:04 +0000
commit5688da55372193e5941f0240e6ea759d28483970 (patch)
tree07e201b5db41088611a28d339926c7a953fa7391 /sysdeps/generic/ldsodefs.h
parenta204ea3607d148c7b83dec5b54496762a99699d8 (diff)
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Update.
	* sysdeps/generic/ldsodefs.h: Add _dl_load_lock, _dl_lazy,
	_dl_dynamic_weak, _dl_fpu_control, _dl_cpuclock_offset, and
	_dl_debug_fd to rtld_global.
	* elf/Versions: Likewise.
	* elf/dl-close.c: Likewise.
	* elf/dl-iteratephdr.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-misc.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-support.c: Likewise.
	* elf/do-lookup.h: Likewise.
	* elf/rtld.c: Likewise.
	* sysdeps/generic/dl-cache.c: Likewise.
	* sysdeps/generic/dl-sysdep.c: Likewise.
	* sysdeps/ia64/Versions: Likewise.
	* sysdeps/unix/clock_gettime.c: Likewise.
	* sysdeps/unix/clock_settime.c: Likewise.
	* sysdeps/unix/sysv/linux/init-first.c: Likewise.
	* sysdeps/sparc/Versions: Removed.
	* sysdeps/i386/i686/Versions : Removed.
	* sysdeps/x86_64/Versions: Removed.
	* configure.in: Define HAVE_PROTECTED if .protected is available.
	* config.h.in: Add entry for HAVE_PROTECTED.

2002-01-31  Jakub Jelinek  <jakub@redhat.com.

	* sysdeps/alpha/dl-machine.h: Move global variables for SHARED
	code in struct _rtld_global.  Export this struct, remove all
	exports for the signal variables.
	* sysdeps/arm/dl-machine: Likewise.
	* sysdeps/generic/dl-origin: Likewise.
	* sysdeps/generic/dl-sysdep: Likewise.
	* sysdeps/generic/dl-cache: Likewise.
	* sysdeps/hppa/dl-fptr: Likewise.
	* sysdeps/hppa/dl-machine: Likewise.
	* sysdeps/cris/dl-machine: Likewise.
	* sysdeps/i386/dl-machine: Likewise.
	* sysdeps/ia64/dl-machine: Likewise.
	* sysdeps/m68k/dl-machine: Likewise.
	* sysdeps/mach/hurd/dl-sysdep: Likewise.
	* sysdeps/mips/mips64/dl-machine: Likewise.
	* sysdeps/mips/dl-machine: Likewise.
	* sysdeps/powerpc/elf/libc-start: Likewise.
	* sysdeps/powerpc/dl-machine: Likewise.
	* sysdeps/powerpc/dl-start: Likewise.
	* sysdeps/sparc/sparc32/dl-machine: Likewise.
	* sysdeps/sparc/sparc64/dl-machine: Likewise.
	* sysdeps/sh/dl-machine: Likewise.
	* sysdeps/s390/s390-32/dl-machine: Likewise.
	* sysdeps/s390/s390-64/dl-machine: Likewise.
	* sysdeps/unix/sysv/aix/libc-start: Likewise.
	* sysdeps/unix/sysv/aix/start-libc: Likewise.
	* sysdeps/unix/sysv/linux/ia64/dl-static: Likewise.
	* sysdeps/unix/sysv/linux/m68k/getpagesize: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getpagesize: Likewise.
	* sysdeps/x86_64/dl-machine: Likewise.

2002-01-31  Ulrich Drepper  <drepper@redhat.com>
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 */