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authorUlrich Drepper <drepper@redhat.com>1997-07-28 22:35:20 +0000
committerUlrich Drepper <drepper@redhat.com>1997-07-28 22:35:20 +0000
commit3996f34b46043ed8ea8fdc6f44377d969d64396b (patch)
tree563f433dab9b5299d81ced72885bf1e8c29b9159 /elf/dl-runtime.c
parent0a54e4010fe0085cd36deaff9442a7e88de3270d (diff)
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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.
Diffstat (limited to 'elf/dl-runtime.c')
-rw-r--r--elf/dl-runtime.c71
1 files changed, 68 insertions, 3 deletions
diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c
index 7a44ea4ce3..1b34026d38 100644
--- a/elf/dl-runtime.c
+++ b/elf/dl-runtime.c
@@ -137,17 +137,18 @@ fixup (
     /* Perform the specified relocation.  */
     if (l->l_info[VERSYMIDX (DT_VERSYM)])
       {
-	const ElfW(Half) * version =
+	const ElfW(Half) *version =
 	  (const ElfW(Half) *) (l->l_addr +
 				l->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr);
 	ElfW(Half) ndx = version[ELFW(R_SYM) (reloc->r_info)];
 
 	elf_machine_relplt (l, reloc, &symtab[ELFW(R_SYM) (reloc->r_info)],
-			    &l->l_versions[ndx]);
+			    &l->l_versions[ndx],
+			    (void *) (l->l_addr + reloc->r_offset));
       }
     else
       elf_machine_relplt (l, reloc, &symtab[ELFW(R_SYM) (reloc->r_info)],
-			  NULL);
+			  NULL, (void *) (l->l_addr + reloc->r_offset));
   }
 
   *_dl_global_scope_end = NULL;
@@ -161,6 +162,70 @@ fixup (
 }
 
 
+#ifndef PROF
+static ElfW(Addr)
+profile_fixup (
+#ifdef ELF_MACHINE_RUNTIME_FIXUP_ARGS
+       ELF_MACHINE_RUNTIME_FIXUP_ARGS,
+#endif
+       struct link_map *l, ElfW(Word) reloc_offset, ElfW(Addr) retaddr)
+{
+  void (*mcount_fct) (ElfW(Addr), ElfW(Addr)) = _dl_mcount;
+  const ElfW(Sym) *const symtab
+    = (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);
+  const char *strtab =
+    (const char *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);
+
+  const PLTREL *const reloc
+    = (const void *) (l->l_addr + l->l_info[DT_JMPREL]->d_un.d_ptr +
+		      reloc_offset);
+  ElfW(Addr) result;
+
+  /* Set up the scope to find symbols referenced by this object.  */
+  struct link_map **scope = _dl_object_relocation_scope (l);
+
+  {
+    /* This macro is used as a callback from the elf_machine_relplt code.  */
+#define RESOLVE(ref, version, flags) \
+  ((version) != NULL && (version)->hash != 0				      \
+   ? _dl_lookup_versioned_symbol (strtab + (*ref)->st_name, (ref), scope,     \
+				  l->l_name, (version), (flags))	      \
+   : _dl_lookup_symbol (strtab + (*ref)->st_name, (ref), scope,		      \
+			l->l_name, (flags)))
+#include "dynamic-link.h"
+
+    /* Perform the specified relocation.  */
+    if (l->l_info[VERSYMIDX (DT_VERSYM)])
+      {
+	const ElfW(Half) *version =
+	  (const ElfW(Half) *) (l->l_addr +
+				l->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr);
+	ElfW(Half) ndx = version[ELFW(R_SYM) (reloc->r_info)];
+
+	elf_machine_relplt (l, reloc, &symtab[ELFW(R_SYM) (reloc->r_info)],
+			    &l->l_versions[ndx], (void *) &result);
+      }
+    else
+      elf_machine_relplt (l, reloc, &symtab[ELFW(R_SYM) (reloc->r_info)],
+			  NULL, (void *) &result);
+  }
+
+  *_dl_global_scope_end = NULL;
+
+  /* Return the address that was written by the relocation.  */
+#ifdef ELF_FIXUP_RETURNS_ADDRESS
+  (*mcount_fct) (retaddr, result);
+
+  return &result;	/* XXX This cannot work.  What to do??? --drepper */
+#else
+  (*mcount_fct) (retaddr, result);
+
+  return result;
+#endif
+}
+#endif
+
+
 /* This macro is defined in dl-machine.h to define the entry point called
    by the PLT.  The `fixup' function above does the real work, but a little
    more twiddling is needed to get the stack right and jump to the address