From 3996f34b46043ed8ea8fdc6f44377d969d64396b Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 28 Jul 1997 22:35:20 +0000 Subject: Update. 1997-07-28 23:35 Ulrich Drepper * 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 * elf/rtld.c (print_unresolved): Replace empty object name by main program name. 1997-07-27 Andreas Schwab * sysdeps/generic/htons.c (htons): Renamed from __htons. 1997-07-27 Andreas Schwab * sysdeps/m68k/bits/byteswap.h: New file. 1997-07-27 23:50 Philip Blundell * 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 * libc.map: Define missing symbol. 1997-07-27 14:31 Thorsten Kukuk * 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. --- elf/dl-runtime.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 68 insertions(+), 3 deletions(-) (limited to 'elf/dl-runtime.c') diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c index 7a44ea4..1b34026 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 -- cgit v1.1