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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)
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