Update.cvs/libc-ud-970729

1997-07-28 23:35  Ulrich Drepper  <drepper@cygnus.com>

	* csu/gmon-start.c (__gmon_start__): Call __monstartup not
	monstartup.
	* gmon/gmon.c: Rename moncontrol to __moncontrol and monstartup
	to __monstartup.
	* gmon/sys/gmon.h: Fix prototypes.
	* gmon/sys/gmon_out.h: Pretty print.

	* gmon/bb_exit_func.c (__bb_exit_func): Use memcpy instead of bcopy.
	* gmon/gmon.c (__monstartup): Likewise.
	(write_hist): Remove dependency on 32 int.
	(_mcleanup): Don't call perror, use fprintf.

	* elf/dl-load.c: Fix handling of current directory in search path.

	* elf/Makefile (dl-routines): Add dl-profile.
	* elf/dl-profile.c: New file.
	* elf/dl-runtime.c (fixup): Add new parameter with address to store
	relocation result in to elf_machine_relplt.
	(profile_fixup): New function.
	* elf/do-rel.h (elf_dynamic_do_rel): Add new parameter with address
	to store relocation result in to elf_machine_relplt.
	* elf/dl-support.c: Define _dl_profile and _dl_profile_map.
	* elf/dynamic-link.h (ELF_DYNAMIC_RELOCATE): Add new parameter and
	call elf_machine_runtime_setup with extra argument.
	* elf/dl-reloc.c (_dl_relocate_object): Add new argument to
	ELF_DYNAMIC_RELOCATE.
	* elf/link.h: Add prototypes for new functions and variables.
	* elf/rtld.c: Parse LD_PROFILE and LD_PROFILE_OUTPUT environment
	variables and call _dl_start_profile if necessary.
	* include/sys/gmon_out.h: New file.
	* sysdeps/alpha/dl-machine.h (elf_machine_runtime_setup): Add
	new parameter to enable profiling.
	(elf_machine_rela): Add new parameter to specify place to store
	result in.
	* sysdeps/m68k/dl-machine.h: Likewise.
	* sysdeps/mips/dl-machine.h: Likewise.
	* sysdeps/mips/mips64/dl-machine.h: Likewise.
	* sysdeps/powerpc/dl-machine.h: Likewise.
	* sysdeps/sparc/dl-machine.h: Likewise.
	* sysdeps/sparc64/dl-machine.h: Likewise.
	* sysdeps/i386/dl-machine.h: Likewise.
	(elf_machine_runtime_setup): Setup got[2] to _dl_runtime_resolve if
	we do profiling.
	(ELF_MACHINE_RUNTIME_TRAMPOLINE): Add code for _dl_runtime_profile.

	* nis/nss_compat/compat-grp.c (internal_setgrent): Set FD_CLOEXEC
	for stream on input file.
	* nis/nss_compat/compat-pwd.c (internal_setpwent): Likewise.
	* nis/nss_compat/compat-spwd.c (internal_setspent): Likewise.
	* nss/nss_db/db-XXX.c (internal_setent): Likewise.
	* nss/nss_db/db-alias.c (internal_setent): Likewise.
	* nss/nss_db/db-netgrp.c (internal_setent): Likewise.
	* nss/nss_files/files-XXX.c (internal_setent): Likewise.
	* nss/nss_files/files-alias.c (internal_setent): Likewise.
	* nss/nss_files/files-netgrp.c (internal_setent): Likewise.

	* string/string.h: Pretty print.

	* sysdeps/i386/fpu/bits/mathinline.h: Major update by John Bowman.
	Add float and long double versions.

1997-07-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/rtld.c (print_unresolved): Replace empty object name by main
	program name.

1997-07-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/htons.c (htons): Renamed from __htons.

1997-07-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/bits/byteswap.h: New file.

1997-07-27 23:50  Philip Blundell  <Philip.Blundell@pobox.com>

	* inet/netinet/icmp6.h: Update for new drafts of POSIX.1g and IPv6
	advanced API.
	* inet/netinet/in.h: Likewise.
	* inet/netinet/ip6.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* posix/sys/types.h: Add socklen_t.

	* manual/socket.texi: Document some more IPv6 things.
	* manual/libc.texinfo: Likewise.

1997-07-26  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libc.map: Define missing symbol.

1997-07-27 14:31  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/Makefile: Add nis_findserv.
	* nis/lckcache.c: Fix typo.
	* nis/nis_call.c: Fix problems with multihomed servers.
	* nis/nis_findserv.c: New file.
	* nis/nis_intern.h: Add more prototypes.
	* nis/nis_lookup.c (nis_lookup): Don't try the next server if network
	is unreachable.
	* nis/nis_table.c (nis_list): Likewise.
	* nis/nis_ping.c (nis_ping): Use MASTER_ONLY, don't call abort()
	in error case.
	* nis/nis_util.c (__nis_finddirectory): Give the right error code
	back.
	* nis/ypclnt.c: Make sure, that all sockets are closed.

1 files changed, 31 insertions, 1 deletions

diff --git a/elf/rtld.c b/elf/rtld.c
index 7189ca6..726463c 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -61,6 +61,9 @@ int _dl_verbose;
 const char *_dl_platform;
 size_t _dl_platformlen;
 struct r_search_path *_dl_search_paths;
+const char *_dl_profile;
+const char *_dl_profile_output;
+struct link_map *_dl_profile_map;
 
 /* Set nonzero during loading and initialization of executable and
    libraries, cleared before the executable's entry point runs.  This
@@ -109,7 +112,7 @@ _dl_start (void *arg)
   /* Relocate ourselves so we can do normal function calls and
      data access using the global offset table.  */
 
-  ELF_DYNAMIC_RELOCATE (&bootstrap_map, 0);
+  ELF_DYNAMIC_RELOCATE (&bootstrap_map, 0, 0);
 
   /* Now life is sane; we can call functions and access global data.
      Set up to use the operating system facilities, and find out from
@@ -269,6 +272,26 @@ dl_main (const ElfW(Phdr) *phdr,
   else
     lazy = !__libc_enable_secure && *(getenv ("LD_BIND_NOW") ?: "") == '\0';
 
+  /* See whether we want to use profiling.  */
+  _dl_profile = getenv ("LD_PROFILE");
+  if (_dl_profile != NULL)
+    if (_dl_profile[0] == '\0')
+      /* An empty string is of not much help.  Disable profiling.  */
+      _dl_profile = NULL;
+    else
+      {
+	/* OK, we have the name of a shared object we want to
+	   profile.  It's up to the user to provide a good name, it
+	   must match the file name or soname of one of the loaded
+	   objects.  Now let's see where we are supposed to place the
+	   result.  */
+	_dl_profile_output = getenv ("LD_PROFILE_OUTPUT");
+
+	if (_dl_profile_output == NULL || _dl_profile_output[0] == '\0')
+	  /* This is the default place.  */
+	  _dl_profile_output = "/var/tmp";
+      }
+
   /* Set up a flag which tells we are just starting.  */
   _dl_starting_up = 1;
 
@@ -814,6 +837,11 @@ of this helper program; chances are you did not intend to run this program.\n",
     _dl_debug_state ();
   }
 
+  /* Now enable profiling if needed.  */
+  if (_dl_profile_map != NULL)
+    /* We must prepare the profiling.  */
+    _dl_start_profile (_dl_profile_map, _dl_profile_output);
+
   /* Once we return, _dl_sysdep_start will invoke
      the DT_INIT functions and then *USER_ENTRY.  */
 }
@@ -824,6 +852,8 @@ static void
 print_unresolved (int errcode __attribute__ ((unused)), const char *objname,
 		  const char *errstring)
 {
+  if (objname[0] == '\0')
+    objname = _dl_argv[0] ?: "<main program>";
   _dl_sysdep_error (errstring, "	(", objname, ")\n", NULL);
 }