diff options
author | Jeff Johnston <jjohnstn@redhat.com> | 2003-05-28 22:04:40 +0000 |
---|---|---|
committer | Jeff Johnston <jjohnstn@redhat.com> | 2003-05-28 22:04:40 +0000 |
commit | b359e82ceabbf42b1e3d8069627701fde5d7cb90 (patch) | |
tree | 38a5f38a753bd8420933e58d0da2dd6732afe406 /newlib/libc/sys/linux/dl/dl-profile.c | |
parent | 4218d888971213c57c903845e16a10bc8bde616b (diff) | |
download | cygnal-b359e82ceabbf42b1e3d8069627701fde5d7cb90.tar.gz cygnal-b359e82ceabbf42b1e3d8069627701fde5d7cb90.tar.bz2 cygnal-b359e82ceabbf42b1e3d8069627701fde5d7cb90.zip |
2003-05-28 Jeff Johnston <jjohnstn@redhat.com>
Tom Fitzsimmons <fitzsim@redhat.com>
* configure.in: Add iconvdata support for x86 linux.
* configure: Regenerated.
* libc/sys/linux/Makefile.am: Add EL/IX level 3 network, dynamic
library, iconv, and linuxthreads support.
* libc/sys/linux/configure.in: Ditto.
* libc/sys/linux/Makefile.in: Regenerated.
* libc/sys/linux/configure: Ditto.
* iconvdata/EUC-JP.irreversible: New file.
* iconvdata/Makefile.am: Ditto.
* iconvdata/Makefile.in: Ditto.
* iconvdata/SJIS.irreversible: Ditto.
* iconvdata/aclocal.m4: Ditto.
* iconvdata/configure: Ditto.
* iconvdata/configure.in: Ditto.
* iconvdata/dummy.c: Ditto.
* iconvdata/euc-jp.c: Ditto.
* iconvdata/gconv-modules: Ditto.
* iconvdata/jis0201.c: Ditto.
* iconvdata/jis0201.h: Ditto.
* iconvdata/jis0208.c: Ditto.
* iconvdata/jis0208.h: Ditto.
* iconvdata/jis0212.c: Ditto.
* iconvdata/jis0212.h: Ditto.
* iconvdata/sjis.c: Ditto.
* libc/include/errno.h: Protect definition of error_t.
* libc/sys/linux/gethostid.c: New file.
* libc/sys/linux/sethostid.c: Ditto.
* libc/sys/linux/dl/Makefile.am: Ditto.
* libc/sys/linux/dl/Makefile.in: Ditto.
* libc/sys/linux/dl/abi-tag.h: Ditto.
* libc/sys/linux/dl/atomicity.h: Ditto.
* libc/sys/linux/dl/dl-addr.c: Ditto.
* libc/sys/linux/dl/dl-cache.c: Ditto.
* libc/sys/linux/dl/dl-cache.h: Ditto.
* libc/sys/linux/dl/dl-close.c: Ditto.
* libc/sys/linux/dl/dl-debug.c: Ditto.
* libc/sys/linux/dl/dl-deps.c: Ditto.
* libc/sys/linux/dl/dl-dst.h: Ditto.
* libc/sys/linux/dl/dl-error.c: Ditto.
* libc/sys/linux/dl/dl-fini.c: Ditto.
* libc/sys/linux/dl/dl-init.c: Ditto.
* libc/sys/linux/dl/dl-iteratephdr.c: Ditto.
* libc/sys/linux/dl/dl-libc.c: Ditto.
* libc/sys/linux/dl/dl-librecon.h: Ditto.
* libc/sys/linux/dl/dl-load.c: Ditto.
* libc/sys/linux/dl/dl-lookup.c: Ditto.
* libc/sys/linux/dl/dl-lookupcfg.h: Ditto.
* libc/sys/linux/dl/dl-minimal.c: Ditto.
* libc/sys/linux/dl/dl-misc.c: Ditto.
* libc/sys/linux/dl/dl-object.c: Ditto.
* libc/sys/linux/dl/dl-open.c: Ditto.
* libc/sys/linux/dl/dl-osinfo.h: Ditto.
* libc/sys/linux/dl/dl-profile.c: Ditto.
* libc/sys/linux/dl/dl-profstub.c: Ditto.
* libc/sys/linux/dl/dl-reloc.c: Ditto.
* libc/sys/linux/dl/dl-runtime.c: Ditto.
* libc/sys/linux/dl/dl-support.c: Ditto.
* libc/sys/linux/dl/dl-sym.c: Ditto.
* libc/sys/linux/dl/dl-version.c: Ditto.
* libc/sys/linux/dl/dlfcn.h: Ditto.
* libc/sys/linux/dl/do-lookup.h: Ditto.
* libc/sys/linux/dl/do-rel.h: Ditto.
* libc/sys/linux/dl/dynamic-link.h: Ditto.
* libc/sys/linux/dl/kernel-features.h: Ditto.
* libc/sys/linux/dl/ldsodefs.h: Ditto.
* libc/sys/linux/dl/libintl.h: Ditto.
* libc/sys/linux/dl/trusted-dirs.h: Ditto.
* libc/sys/linux/dl/unsecvars.h: Ditto.
* libc/sys/linux/iconv/Makefile.am: Ditto.
* libc/sys/linux/iconv/Makefile.in: Ditto.
* libc/sys/linux/iconv/categories.def: Ditto.
* libc/sys/linux/iconv/dummy-repertoire.c: Ditto.
* libc/sys/linux/iconv/gconv.c: Ditto.
* libc/sys/linux/iconv/gconv_builtin.c: Ditto.
* libc/sys/linux/iconv/gconv_builtin.h: Ditto.
* libc/sys/linux/iconv/gconv_cache.c: Ditto.
* libc/sys/linux/iconv/gconv_charset.h: Ditto.
* libc/sys/linux/iconv/gconv_close.c: Ditto.
* libc/sys/linux/iconv/gconv_conf.c: Ditto.
* libc/sys/linux/iconv/gconv_db.c: Ditto.
* libc/sys/linux/iconv/gconv_dl.c: Ditto.
* libc/sys/linux/iconv/gconv_int.h: Ditto.
* libc/sys/linux/iconv/gconv_open.c: Ditto.
* libc/sys/linux/iconv/gconv_simple.c: Ditto.
* libc/sys/linux/iconv/gconv_trans.c: Ditto.
* libc/sys/linux/iconv/hash-string.h: Ditto.
* libc/sys/linux/iconv/iconv.c: Ditto.
* libc/sys/linux/iconv/iconv.h: Ditto.
* libc/sys/linux/iconv/iconv_charmap.c: Ditto.
* libc/sys/linux/iconv/iconv_close.c: Ditto.
* libc/sys/linux/iconv/iconv_open.c: Ditto.
* libc/sys/linux/iconv/iconvconfig.c: Ditto.
* libc/sys/linux/iconv/iconvconfig.h: Ditto.
* libc/sys/linux/iconv/loadinfo.h: Ditto.
* libc/sys/linux/iconv/localeinfo.h: Ditto.
* libc/sys/linux/iconv/loop.c: Ditto.
* libc/sys/linux/iconv/skeleton.c: Ditto.
* libc/sys/linux/iconv/strtab.c: Ditto.
* libc/sys/linux/include/dl-hash.h: Ditto.
* libc/sys/linux/include/dlfcn.h: Ditto.
* libc/sys/linux/include/fnmatch.h: Ditto.
* libc/sys/linux/include/gconv.h: Ditto.
* libc/sys/linux/include/glob.h: Ditto.
* libc/sys/linux/include/hesiod.h: Ditto.
* libc/sys/linux/include/ifaddrs.h: Ditto.
* libc/sys/linux/include/libc_private.h: Ditto.
* libc/sys/linux/include/link.h: Ditto.
* libc/sys/linux/include/namespace.h: Ditto.
* libc/sys/linux/include/netconfig.h: Ditto.
* libc/sys/linux/include/netdb.h: Ditto.
* libc/sys/linux/include/nsswitch.h: Ditto.
* libc/sys/linux/include/regex.h: Ditto.
* libc/sys/linux/include/resolv.h: Ditto.
* libc/sys/linux/include/rune.h: Ditto.
* libc/sys/linux/include/runetype.h: Ditto.
* libc/sys/linux/include/semaphore.h: Ditto.
* libc/sys/linux/include/setlocale.h: Ditto.
* libc/sys/linux/include/un-namespace.h: Ditto.
* libc/sys/linux/include/wordexp.h: Ditto.
* libc/sys/linux/include/arpa/ftp.h: Ditto.
* libc/sys/linux/include/arpa/inet.h: Ditto.
* libc/sys/linux/include/arpa/nameser.h: Ditto.
* libc/sys/linux/include/arpa/nameser_compat.h: Ditto.
* libc/sys/linux/include/arpa/telnet.h: Ditto.
* libc/sys/linux/include/arpa/tftp.h: Ditto.
* libc/sys/linux/include/net/bpf.h: Ditto.
* libc/sys/linux/include/net/bpf_compat.h: Ditto.
* libc/sys/linux/include/net/bpfdesc.h: Ditto.
* libc/sys/linux/include/net/bridge.h: Ditto.
* libc/sys/linux/include/net/ethernet.h: Ditto.
* libc/sys/linux/include/net/fddi.h: Ditto.
* libc/sys/linux/include/net/if.h: Ditto.
* libc/sys/linux/include/net/if_arc.h: Ditto.
* libc/sys/linux/include/net/if_arp.h: Ditto.
* libc/sys/linux/include/net/if_atm.h: Ditto.
* libc/sys/linux/include/net/if_dl.h: Ditto.
* libc/sys/linux/include/net/if_gif.h: Ditto.
* libc/sys/linux/include/net/if_ieee80211.h: Ditto.
* libc/sys/linux/include/net/if_llc.h: Ditto.
* libc/sys/linux/include/net/if_media.h: Ditto.
* libc/sys/linux/include/net/if_mib.h: Ditto.
* libc/sys/linux/include/net/if_ppp.h: Ditto.
* libc/sys/linux/include/net/if_pppvar.h: Ditto.
* libc/sys/linux/include/net/if_slvar.h: Ditto.
* libc/sys/linux/include/net/if_sppp.h: Ditto.
* libc/sys/linux/include/net/if_stf.h: Ditto.
* libc/sys/linux/include/net/if_tap.h: Ditto.
* libc/sys/linux/include/net/if_tapvar.h: Ditto.
* libc/sys/linux/include/net/if_tun.h: Ditto.
* libc/sys/linux/include/net/if_tunvar.h: Ditto.
* libc/sys/linux/include/net/if_types.h: Ditto.
* libc/sys/linux/include/net/if_var.h: Ditto.
* libc/sys/linux/include/net/if_vlan_var.h: Ditto.
* libc/sys/linux/include/net/intrq.h: Ditto.
* libc/sys/linux/include/net/iso88025.h: Ditto.
* libc/sys/linux/include/net/net_osdep.h: Ditto.
* libc/sys/linux/include/net/netisr.h: Ditto.
* libc/sys/linux/include/net/pfil.h: Ditto.
* libc/sys/linux/include/net/pfkeyv2.h: Ditto.
* libc/sys/linux/include/net/ppp_comp.h: Ditto.
* libc/sys/linux/include/net/ppp_defs.h: Ditto.
* libc/sys/linux/include/net/radix.h: Ditto.
* libc/sys/linux/include/net/raw_cb.h: Ditto.
* libc/sys/linux/include/net/route.h: Ditto.
* libc/sys/linux/include/net/slcompress.h: Ditto.
* libc/sys/linux/include/net/slip.h: Ditto.
* libc/sys/linux/include/net/zlib.h: Ditto.
* libc/sys/linux/include/netinet/icmp6.h: Ditto.
* libc/sys/linux/include/netinet/icmp_var.h: Ditto.
* libc/sys/linux/include/netinet/if_atm.h: Ditto.
* libc/sys/linux/include/netinet/if_ether.h: Ditto.
* libc/sys/linux/include/netinet/igmp.h: Ditto.
* libc/sys/linux/include/netinet/igmp_var.h: Ditto.
* libc/sys/linux/include/netinet/in.h: Ditto.
* libc/sys/linux/include/netinet/in_gif.h: Ditto.
* libc/sys/linux/include/netinet/in_pcb.h: Ditto.
* libc/sys/linux/include/netinet/in_systm.h: Ditto.
* libc/sys/linux/include/netinet/in_var.h: Ditto.
* libc/sys/linux/include/netinet/ip.h: Ditto.
* libc/sys/linux/include/netinet/ip6.h: Ditto.
* libc/sys/linux/include/netinet/ip_dummynet.h: Ditto.
* libc/sys/linux/include/netinet/ip_ecn.h: Ditto.
* libc/sys/linux/include/netinet/ip_encap.h: Ditto.
* libc/sys/linux/include/netinet/ip_flow.h: Ditto.
* libc/sys/linux/include/netinet/ip_fw.h: Ditto.
* libc/sys/linux/include/netinet/ip_icmp.h: Ditto.
* libc/sys/linux/include/netinet/ip_mroute.h: Ditto.
* libc/sys/linux/include/netinet/ip_var.h: Ditto.
* libc/sys/linux/include/netinet/ipprotosw.h: Ditto.
* libc/sys/linux/include/netinet/tcp.h: Ditto.
* libc/sys/linux/include/netinet/tcp_debug.h: Ditto.
* libc/sys/linux/include/netinet/tcp_fsm.h: Ditto.
* libc/sys/linux/include/netinet/tcp_seq.h: Ditto.
* libc/sys/linux/include/netinet/tcp_timer.h: Ditto.
* libc/sys/linux/include/netinet/tcp_var.h: Ditto.
* libc/sys/linux/include/netinet/tcpip.h: Ditto.
* libc/sys/linux/include/netinet/udp.h: Ditto.
* libc/sys/linux/include/netinet/udp_var.h: Ditto.
* libc/sys/linux/include/netinet6/ah.h: Ditto.
* libc/sys/linux/include/netinet6/ah6.h: Ditto.
* libc/sys/linux/include/netinet6/esp.h: Ditto.
* libc/sys/linux/include/netinet6/esp6.h: Ditto.
* libc/sys/linux/include/netinet6/esp_rijndael.h: Ditto.
* libc/sys/linux/include/netinet6/icmp6.h: Ditto.
* libc/sys/linux/include/netinet6/in6.h: Ditto.
* libc/sys/linux/include/netinet6/in6_gif.h: Ditto.
* libc/sys/linux/include/netinet6/in6_ifattach.h: Ditto.
* libc/sys/linux/include/netinet6/in6_pcb.h: Ditto.
* libc/sys/linux/include/netinet6/in6_prefix.h: Ditto.
* libc/sys/linux/include/netinet6/in6_var.h: Ditto.
* libc/sys/linux/include/netinet6/ip6.h: Ditto.
* libc/sys/linux/include/netinet6/ip6_ecn.h: Ditto.
* libc/sys/linux/include/netinet6/ip6_fw.h: Ditto.
* libc/sys/linux/include/netinet6/ip6_mroute.h: Ditto.
* libc/sys/linux/include/netinet6/ip6_var.h: Ditto.
* libc/sys/linux/include/netinet6/ip6protosw.h: Ditto.
* libc/sys/linux/include/netinet6/ipcomp.h: Ditto.
* libc/sys/linux/include/netinet6/ipcomp6.h: Ditto.
* libc/sys/linux/include/netinet6/ipsec.h: Ditto.
* libc/sys/linux/include/netinet6/ipsec6.h: Ditto.
* libc/sys/linux/include/netinet6/mld6_var.h: Ditto.
* libc/sys/linux/include/netinet6/nd6.h: Ditto.
* libc/sys/linux/include/netinet6/pim6.h: Ditto.
* libc/sys/linux/include/netinet6/pim6_var.h: Ditto.
* libc/sys/linux/include/netinet6/raw_ip6.h: Ditto.
* libc/sys/linux/include/netinet6/scope6_var.h: Ditto.
* libc/sys/linux/include/netinet6/tcp6_var.h: Ditto.
* libc/sys/linux/include/netinet6/udp6_var.h: Ditto.
* libc/sys/linux/include/netns/idp.h: Ditto.
* libc/sys/linux/include/netns/idp_var.h: Ditto.
* libc/sys/linux/include/netns/ns.h: Ditto.
* libc/sys/linux/include/netns/ns_error.h: Ditto.
* libc/sys/linux/include/netns/ns_if.h: Ditto.
* libc/sys/linux/include/netns/ns_pcb.h: Ditto.
* libc/sys/linux/include/netns/sp.h: Ditto.
* libc/sys/linux/include/netns/spidp.h: Ditto.
* libc/sys/linux/include/netns/spp_debug.h: Ditto.
* libc/sys/linux/include/netns/spp_timer.h: Ditto.
* libc/sys/linux/include/netns/spp_var.h: Ditto.
* libc/sys/linux/include/rpc/Makefile: Ditto.
* libc/sys/linux/include/rpc/auth.h: Ditto.
* libc/sys/linux/include/rpc/auth_des.h: Ditto.
* libc/sys/linux/include/rpc/auth_kerb.h: Ditto.
* libc/sys/linux/include/rpc/auth_unix.h: Ditto.
* libc/sys/linux/include/rpc/clnt.h: Ditto.
* libc/sys/linux/include/rpc/clnt_soc.h: Ditto.
* libc/sys/linux/include/rpc/clnt_stat.h: Ditto.
* libc/sys/linux/include/rpc/des.h: Ditto.
* libc/sys/linux/include/rpc/des_crypt.h: Ditto.
* libc/sys/linux/include/rpc/nettype.h: Ditto.
* libc/sys/linux/include/rpc/pmap_clnt.h: Ditto.
* libc/sys/linux/include/rpc/pmap_prot.h: Ditto.
* libc/sys/linux/include/rpc/pmap_rmt.h: Ditto.
* libc/sys/linux/include/rpc/raw.h: Ditto.
* libc/sys/linux/include/rpc/rpc.h: Ditto.
* libc/sys/linux/include/rpc/rpc_com.h: Ditto.
* libc/sys/linux/include/rpc/rpc_msg.h: Ditto.
* libc/sys/linux/include/rpc/rpcb_clnt.h: Ditto.
* libc/sys/linux/include/rpc/rpcb_prot.h: Ditto.
* libc/sys/linux/include/rpc/rpcb_prot.x: Ditto.
* libc/sys/linux/include/rpc/rpcent.h: Ditto.
* libc/sys/linux/include/rpc/svc.h: Ditto.
* libc/sys/linux/include/rpc/svc_auth.h: Ditto.
* libc/sys/linux/include/rpc/svc_dg.h: Ditto.
* libc/sys/linux/include/rpc/svc_soc.h: Ditto.
* libc/sys/linux/include/rpc/types.h: Ditto.
* libc/sys/linux/include/rpc/xdr.h: Ditto.
* libc/sys/linux/intl/Makefile.am: Ditto.
* libc/sys/linux/intl/Makefile.in: Ditto.
* libc/sys/linux/intl/bindtextdom.c: Ditto.
* libc/sys/linux/intl/catgets.c: Ditto.
* libc/sys/linux/intl/catgetsinfo.h: Ditto.
* libc/sys/linux/intl/config.h: Ditto.
* libc/sys/linux/intl/dcgettext.c: Ditto.
* libc/sys/linux/intl/dcigettext.c: Ditto.
* libc/sys/linux/intl/dcngettext.c: Ditto.
* libc/sys/linux/intl/dgettext.c: Ditto.
* libc/sys/linux/intl/dngettext.c: Ditto.
* libc/sys/linux/intl/explodename.c: Ditto.
* libc/sys/linux/intl/finddomain.c: Ditto.
* libc/sys/linux/intl/gettext.c: Ditto.
* libc/sys/linux/intl/gettext.h: Ditto.
* libc/sys/linux/intl/gettextP.h: Ditto.
* libc/sys/linux/intl/hash-string.h: Ditto.
* libc/sys/linux/intl/l10nflist.c: Ditto.
* libc/sys/linux/intl/loadinfo.h: Ditto.
* libc/sys/linux/intl/loadmsgcat.c: Ditto.
* libc/sys/linux/intl/locale.alias: Ditto.
* libc/sys/linux/intl/localealias.c: Ditto.
* libc/sys/linux/intl/ngettext.c: Ditto.
* libc/sys/linux/intl/open_catalog.c: Ditto.
* libc/sys/linux/intl/plural.c: Ditto.
* libc/sys/linux/intl/plural.y: Ditto.
* libc/sys/linux/intl/stpcpy.c: Ditto.
* libc/sys/linux/intl/textdomain.c: Ditto.
* libc/sys/linux/linuxthreads/LICENSE: Ditto.
* libc/sys/linux/linuxthreads/Makefile.am: Ditto.
* libc/sys/linux/linuxthreads/Makefile.in: Ditto.
* libc/sys/linux/linuxthreads/aclocal.m4: Ditto.
* libc/sys/linux/linuxthreads/attr.c: Ditto.
* libc/sys/linux/linuxthreads/barrier.c: Ditto.
* libc/sys/linux/linuxthreads/bp-sym.h: Ditto.
* libc/sys/linux/linuxthreads/cancel.c: Ditto.
* libc/sys/linux/linuxthreads/condvar.c: Ditto.
* libc/sys/linux/linuxthreads/config.h: Ditto.
* libc/sys/linux/linuxthreads/configure: Ditto.
* libc/sys/linux/linuxthreads/configure.in: Ditto.
* libc/sys/linux/linuxthreads/defs.awk: Ditto.
* libc/sys/linux/linuxthreads/ecmutex.c: Ditto.
* libc/sys/linux/linuxthreads/events.c: Ditto.
* libc/sys/linux/linuxthreads/getcpuclockid.c: Ditto.
* libc/sys/linux/linuxthreads/getreent.c: Ditto.
* libc/sys/linux/linuxthreads/internals.h: Ditto.
* libc/sys/linux/linuxthreads/join.c: Ditto.
* libc/sys/linux/linuxthreads/joinrace.c: Ditto.
* libc/sys/linux/linuxthreads/kernel-features.h: Ditto.
* libc/sys/linux/linuxthreads/libc-internal.h: Ditto.
* libc/sys/linux/linuxthreads/libc-symbols.h: Ditto.
* libc/sys/linux/linuxthreads/linuxthreads.texi: Ditto.
* libc/sys/linux/linuxthreads/lockfile.c: Ditto.
* libc/sys/linux/linuxthreads/manager.c: Ditto.
* libc/sys/linux/linuxthreads/mq_notify.c: Ditto.
* libc/sys/linux/linuxthreads/mutex.c: Ditto.
* libc/sys/linux/linuxthreads/no-tsd.c: Ditto.
* libc/sys/linux/linuxthreads/oldsemaphore.c: Ditto.
* libc/sys/linux/linuxthreads/posix-timer.h: Ditto.
* libc/sys/linux/linuxthreads/prio.c: Ditto.
* libc/sys/linux/linuxthreads/proc_service.h: Ditto.
* libc/sys/linux/linuxthreads/pt-machine.c: Ditto.
* libc/sys/linux/linuxthreads/ptclock_gettime.c: Ditto.
* libc/sys/linux/linuxthreads/ptclock_settime.c: Ditto.
* libc/sys/linux/linuxthreads/ptfork.c: Ditto.
* libc/sys/linux/linuxthreads/pthread.c: Ditto.
* libc/sys/linux/linuxthreads/ptlongjmp.c: Ditto.
* libc/sys/linux/linuxthreads/queue.h: Ditto.
* libc/sys/linux/linuxthreads/reent.c: Ditto.
* libc/sys/linux/linuxthreads/reqsyscalls.c: Ditto.
* libc/sys/linux/linuxthreads/restart.h: Ditto.
* libc/sys/linux/linuxthreads/rwlock.c: Ditto.
* libc/sys/linux/linuxthreads/semaphore.c: Ditto.
* libc/sys/linux/linuxthreads/semaphore.h: Ditto.
* libc/sys/linux/linuxthreads/shlib-compat.h: Ditto.
* libc/sys/linux/linuxthreads/signals.c: Ditto.
* libc/sys/linux/linuxthreads/specific.c: Ditto.
* libc/sys/linux/linuxthreads/spinlock.c: Ditto.
* libc/sys/linux/linuxthreads/spinlock.h: Ditto.
* libc/sys/linux/linuxthreads/sysctl.c: Ditto.
* libc/sys/linux/linuxthreads/td_init.c: Ditto.
* libc/sys/linux/linuxthreads/td_log.c: Ditto.
* libc/sys/linux/linuxthreads/td_symbol_list.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_clear_event.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_delete.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_enable_stats.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_event_addr.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_event_getmsg.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_get_nthreads.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_get_ph.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_get_stats.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_map_id2thr.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_map_lwp2thr.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_new.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_reset_stats.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_set_event.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_setconcurrency.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_thr_iter.c: Ditto.
* libc/sys/linux/linuxthreads/td_ta_tsd_iter.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_clear_event.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_dbresume.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_dbsuspend.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_event_enable.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_event_getmsg.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_get_info.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_getfpregs.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_getgregs.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_getxregs.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_getxregsize.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_set_event.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_setfpregs.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_setgregs.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_setprio.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_setsigpending.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_setxregs.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_sigsetmask.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_tsd.c: Ditto.
* libc/sys/linux/linuxthreads/td_thr_validate.c: Ditto.
* libc/sys/linux/linuxthreads/testrtsig.h: Ditto.
* libc/sys/linux/linuxthreads/thread_db.h: Ditto.
* libc/sys/linux/linuxthreads/thread_dbP.h: Ditto.
* libc/sys/linux/linuxthreads/timer_create.c: Ditto.
* libc/sys/linux/linuxthreads/timer_delete.c: Ditto.
* libc/sys/linux/linuxthreads/timer_getoverr.c: Ditto.
* libc/sys/linux/linuxthreads/timer_gettime.c: Ditto.
* libc/sys/linux/linuxthreads/timer_routines.c: Ditto.
* libc/sys/linux/linuxthreads/timer_settime.c: Ditto.
* libc/sys/linux/linuxthreads/tst-cancel.c: Ditto.
* libc/sys/linux/linuxthreads/tst-context.c: Ditto.
* libc/sys/linux/linuxthreads/tststack.c: Ditto.
* libc/sys/linux/linuxthreads/unload.c: Ditto.
* libc/sys/linux/linuxthreads/weaks.c: Ditto.
* libc/sys/linux/linuxthreads/wrapsyscall.c: Ditto.
* libc/sys/linux/linuxthreads/bits/initspin.h: Ditto.
* libc/sys/linux/linuxthreads/bits/libc-lock.h: Ditto.
* libc/sys/linux/linuxthreads/bits/libc-tsd.h: Ditto.
* libc/sys/linux/linuxthreads/bits/local_lim.h: Ditto.
* libc/sys/linux/linuxthreads/bits/posix_opt.h: Ditto.
* libc/sys/linux/linuxthreads/bits/pthreadtypes.h: Ditto.
* libc/sys/linux/linuxthreads/bits/sigthread.h: Ditto.
* libc/sys/linux/linuxthreads/machine/Makefile.am: Ditto.
* libc/sys/linux/linuxthreads/machine/Makefile.in: Ditto.
* libc/sys/linux/linuxthreads/machine/aclocal.m4: Ditto.
* libc/sys/linux/linuxthreads/machine/configure: Ditto.
* libc/sys/linux/linuxthreads/machine/configure.in: Ditto.
* libc/sys/linux/linuxthreads/machine/generic/generic-sysd: Ditto.ep.h
* libc/sys/linux/linuxthreads/machine/i386/Makefile.am: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/Makefile.in: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/aclocal.m4: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/bp-asm.h: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/clone.S: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/configure: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/configure.in: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.S: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.h: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/pspinlock.c: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/pt-machine.h: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/sigcontextinfo.h: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/stackinfo.h: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/sysdep.S: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/sysdep.h: Ditto.
* libc/sys/linux/linuxthreads/machine/i386/useldt.h: Ditto.
* libc/sys/linux/machine/i386/dl-machine.h: Ditto.
* libc/sys/linux/net/Makefile.am: Ditto.
* libc/sys/linux/net/Makefile.in: Ditto.
* libc/sys/linux/net/addr2ascii.3: Ditto.
* libc/sys/linux/net/addr2ascii.c: Ditto.
* libc/sys/linux/net/ascii2addr.c: Ditto.
* libc/sys/linux/net/base64.c: Ditto.
* libc/sys/linux/net/bindresvport.c: Ditto.
* libc/sys/linux/net/byteorder.3: Ditto.
* libc/sys/linux/net/ether_addr.c: Ditto.
* libc/sys/linux/net/ethers.3: Ditto.
* libc/sys/linux/net/getaddrinfo.3: Ditto.
* libc/sys/linux/net/getaddrinfo.c: Ditto.
* libc/sys/linux/net/gethostbydns.c: Ditto.
* libc/sys/linux/net/gethostbyht.c: Ditto.
* libc/sys/linux/net/gethostbyname.3: Ditto.
* libc/sys/linux/net/gethostbynis.c: Ditto.
* libc/sys/linux/net/gethostnamadr.c: Ditto.
* libc/sys/linux/net/getifaddrs.3: Ditto.
* libc/sys/linux/net/getifaddrs.c: Ditto.
* libc/sys/linux/net/getipnodebyname.3: Ditto.
* libc/sys/linux/net/getnameinfo.3: Ditto.
* libc/sys/linux/net/getnameinfo.c: Ditto.
* libc/sys/linux/net/getnetbydns.c: Ditto.
* libc/sys/linux/net/getnetbyht.c: Ditto.
* libc/sys/linux/net/getnetbynis.c: Ditto.
* libc/sys/linux/net/getnetent.3: Ditto.
* libc/sys/linux/net/getnetnamadr.c: Ditto.
* libc/sys/linux/net/getproto.c: Ditto.
* libc/sys/linux/net/getprotoent.3: Ditto.
* libc/sys/linux/net/getprotoent.c: Ditto.
* libc/sys/linux/net/getprotoname.c: Ditto.
* libc/sys/linux/net/getservbyname.c: Ditto.
* libc/sys/linux/net/getservbyport.c: Ditto.
* libc/sys/linux/net/getservent.3: Ditto.
* libc/sys/linux/net/getservent.c: Ditto.
* libc/sys/linux/net/herror.c: Ditto.
* libc/sys/linux/net/hesiod.3: Ditto.
* libc/sys/linux/net/hesiod.c: Ditto.
* libc/sys/linux/net/if_indextoname.3: Ditto.
* libc/sys/linux/net/ifname.c: Ditto.
* libc/sys/linux/net/inet.3: Ditto.
* libc/sys/linux/net/inet6_option_s: Ditto.pace.3
* libc/sys/linux/net/inet6_rthdr_space.3: Ditto.
* libc/sys/linux/net/inet_addr.c: Ditto.
* libc/sys/linux/net/inet_lnaof.c: Ditto.
* libc/sys/linux/net/inet_makeaddr.c: Ditto.
* libc/sys/linux/net/inet_net.3: Ditto.
* libc/sys/linux/net/inet_net_ntop.c: Ditto.
* libc/sys/linux/net/inet_net_pton.c: Ditto.
* libc/sys/linux/net/inet_neta.c: Ditto.
* libc/sys/linux/net/inet_netof.c: Ditto.
* libc/sys/linux/net/inet_network.c: Ditto.
* libc/sys/linux/net/inet_ntoa.c: Ditto.
* libc/sys/linux/net/inet_ntop.c: Ditto.
* libc/sys/linux/net/inet_pton.c: Ditto.
* libc/sys/linux/net/innetgr-stub.c: Ditto.
* libc/sys/linux/net/ip6opt.c: Ditto.
* libc/sys/linux/net/iso_addr.3: Ditto.
* libc/sys/linux/net/iso_addr.c: Ditto.
* libc/sys/linux/net/issetugid-stub.c: Ditto.
* libc/sys/linux/net/linkaddr.3: Ditto.
* libc/sys/linux/net/linkaddr.c: Ditto.
* libc/sys/linux/net/map_v4v6.c: Ditto.
* libc/sys/linux/net/name6.c: Ditto.
* libc/sys/linux/net/namespace.h: Ditto.
* libc/sys/linux/net/ns.3: Ditto.
* libc/sys/linux/net/ns_addr.c: Ditto.
* libc/sys/linux/net/ns_name.c: Ditto.
* libc/sys/linux/net/ns_netint.c: Ditto.
* libc/sys/linux/net/ns_ntoa.c: Ditto.
* libc/sys/linux/net/ns_parse.c: Ditto.
* libc/sys/linux/net/ns_print.c: Ditto.
* libc/sys/linux/net/ns_ttl.c: Ditto.
* libc/sys/linux/net/nsap_addr.c: Ditto.
* libc/sys/linux/net/nsdispatch.3: Ditto.
* libc/sys/linux/net/nsdispatch.c: Ditto.
* libc/sys/linux/net/nslexer.c: Ditto.
* libc/sys/linux/net/nslexer.l: Ditto.
* libc/sys/linux/net/nsparser.c: Ditto.
* libc/sys/linux/net/nsparser.h: Ditto.
* libc/sys/linux/net/nsparser.y: Ditto.
* libc/sys/linux/net/rcmd.3: Ditto.
* libc/sys/linux/net/rcmd.c: Ditto.
* libc/sys/linux/net/rcmdsh.3: Ditto.
* libc/sys/linux/net/rcmdsh.c: Ditto.
* libc/sys/linux/net/recv.c: Ditto.
* libc/sys/linux/net/res_comp.c: Ditto.
* libc/sys/linux/net/res_config.h: Ditto.
* libc/sys/linux/net/res_data.c: Ditto.
* libc/sys/linux/net/res_debug.c: Ditto.
* libc/sys/linux/net/res_init.c: Ditto.
* libc/sys/linux/net/res_mkquery.c: Ditto.
* libc/sys/linux/net/res_mkupdate.c: Ditto.
* libc/sys/linux/net/res_query.c: Ditto.
* libc/sys/linux/net/res_send.c: Ditto.
* libc/sys/linux/net/res_update.c: Ditto.
* libc/sys/linux/net/resolver.3: Ditto.
* libc/sys/linux/net/rthdr.c: Ditto.
* libc/sys/linux/net/send.c: Ditto.
* libc/sys/linux/net/un-namespace.h: Ditto.
* libc/sys/linux/net/vars.c: Ditto.
* libc/sys/linux/stdlib/COPYRIGHT: Ditto.
* libc/sys/linux/stdlib/Makefile.am: Ditto.
* libc/sys/linux/stdlib/Makefile.in: Ditto.
* libc/sys/linux/stdlib/cclass.h: Ditto.
* libc/sys/linux/stdlib/cname.h: Ditto.
* libc/sys/linux/stdlib/collate.c: Ditto.
* libc/sys/linux/stdlib/collate.h: Ditto.
* libc/sys/linux/stdlib/collcmp.c: Ditto.
* libc/sys/linux/stdlib/engine.c: Ditto.
* libc/sys/linux/stdlib/fnmatch.3: Ditto.
* libc/sys/linux/stdlib/fnmatch.c: Ditto.
* libc/sys/linux/stdlib/glob.3: Ditto.
* libc/sys/linux/stdlib/glob.c: Ditto.
* libc/sys/linux/stdlib/reallocf.c: Ditto.
* libc/sys/linux/stdlib/regcomp.c: Ditto.
* libc/sys/linux/stdlib/regerror.c: Ditto.
* libc/sys/linux/stdlib/regex.3: Ditto.
* libc/sys/linux/stdlib/regex2.h: Ditto.
* libc/sys/linux/stdlib/regexec.c: Ditto.
* libc/sys/linux/stdlib/regfree.c: Ditto.
* libc/sys/linux/stdlib/utils.h: Ditto.
* libc/sys/linux/stdlib/wordexp.c: Ditto.
* libc/sys/linux/stdlib/wordfree.c: Ditto.
* libc/sys/linux/sys/dlfcn.h: Ditto.
* libc/sys/linux/sys/elfclass.h: Ditto.
* libc/sys/linux/sys/event.h: Ditto.
* libc/sys/linux/sys/ioccom.h: Ditto.
* libc/sys/linux/sys/libc-tsd.h: Ditto.
* libc/sys/linux/sys/link.h: Ditto.
* libc/sys/linux/sys/lock.h: Ditto.
* libc/sys/linux/sys/param.h: Ditto.
* libc/sys/linux/sys/socket.h: Ditto.
* libc/sys/linux/sys/sockio.h: Ditto.
Diffstat (limited to 'newlib/libc/sys/linux/dl/dl-profile.c')
-rw-r--r-- | newlib/libc/sys/linux/dl/dl-profile.c | 539 |
1 files changed, 539 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/dl/dl-profile.c b/newlib/libc/sys/linux/dl/dl-profile.c new file mode 100644 index 000000000..52c533f5f --- /dev/null +++ b/newlib/libc/sys/linux/dl/dl-profile.c @@ -0,0 +1,539 @@ +/* Profiling of shared libraries. + Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + Based on the BSD mcount implementation. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <ldsodefs.h> +#include <sys/gmon.h> +#include <sys/gmon_out.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <atomicity.h> +#include <config.h> + +/* The LD_PROFILE feature has to be implemented different to the + normal profiling using the gmon/ functions. The problem is that an + arbitrary amount of processes simulataneously can be run using + profiling and all write the results in the same file. To provide + this mechanism one could implement a complicated mechanism to merge + the content of two profiling runs or one could extend the file + format to allow more than one data set. For the second solution we + would have the problem that the file can grow in size beyond any + limit and both solutions have the problem that the concurrency of + writing the results is a big problem. + + Another much simpler method is to use mmap to map the same file in + all using programs and modify the data in the mmap'ed area and so + also automatically on the disk. Using the MAP_SHARED option of + mmap(2) this can be done without big problems in more than one + file. + + This approach is very different from the normal profiling. We have + to use the profiling data in exactly the way they are expected to + be written to disk. But the normal format used by gprof is not usable + to do this. It is optimized for size. It writes the tags as single + bytes but this means that the following 32/64 bit values are + unaligned. + + Therefore we use a new format. This will look like this + + 0 1 2 3 <- byte is 32 bit word + 0000 g m o n + 0004 *version* <- GMON_SHOBJ_VERSION + 0008 00 00 00 00 + 000c 00 00 00 00 + 0010 00 00 00 00 + + 0014 *tag* <- GMON_TAG_TIME_HIST + 0018 ?? ?? ?? ?? + ?? ?? ?? ?? <- 32/64 bit LowPC + 0018+A ?? ?? ?? ?? + ?? ?? ?? ?? <- 32/64 bit HighPC + 0018+2*A *histsize* + 001c+2*A *profrate* + 0020+2*A s e c o + 0024+2*A n d s \0 + 0028+2*A \0 \0 \0 \0 + 002c+2*A \0 \0 \0 + 002f+2*A s + + 0030+2*A ?? ?? ?? ?? <- Count data + ... ... + 0030+2*A+K ?? ?? ?? ?? + + 0030+2*A+K *tag* <- GMON_TAG_CG_ARC + 0034+2*A+K *lastused* + 0038+2*A+K ?? ?? ?? ?? + ?? ?? ?? ?? <- FromPC#1 + 0038+3*A+K ?? ?? ?? ?? + ?? ?? ?? ?? <- ToPC#1 + 0038+4*A+K ?? ?? ?? ?? <- Count#1 + ... ... ... + 0038+(2*(CN-1)+2)*A+(CN-1)*4+K ?? ?? ?? ?? + ?? ?? ?? ?? <- FromPC#CGN + 0038+(2*(CN-1)+3)*A+(CN-1)*4+K ?? ?? ?? ?? + ?? ?? ?? ?? <- ToPC#CGN + 0038+(2*CN+2)*A+(CN-1)*4+K ?? ?? ?? ?? <- Count#CGN + + We put (for now?) no basic block information in the file since this would + introduce rase conditions among all the processes who want to write them. + + `K' is the number of count entries which is computed as + + textsize / HISTFRACTION + + `CG' in the above table is the number of call graph arcs. Normally, + the table is sparse and the profiling code writes out only the those + entries which are really used in the program run. But since we must + not extend this table (the profiling file) we'll keep them all here. + So CN can be executed in advance as + + MINARCS <= textsize*(ARCDENSITY/100) <= MAXARCS + + Now the remaining question is: how to build the data structures we can + work with from this data. We need the from set and must associate the + froms with all the associated tos. We will do this by constructing this + data structures at the program start. To do this we'll simply visit all + entries in the call graph table and add it to the appropriate list. */ + +extern int __profile_frequency (void); + +/* We define a special type to address the elements of the arc table. + This is basically the `gmon_cg_arc_record' format but it includes + the room for the tag and it uses real types. */ +struct here_cg_arc_record + { + uintptr_t from_pc; + uintptr_t self_pc; + uint32_t count; + } __attribute__ ((packed)); + +static struct here_cg_arc_record *data; + +/* Nonzero if profiling is under way. */ +static int running; + +/* This is the number of entry which have been incorporated in the toset. */ +static uint32_t narcs; +/* This is a pointer to the object representing the number of entries + currently in the mmaped file. At no point of time this has to be the + same as NARCS. If it is equal all entries from the file are in our + lists. */ +static volatile uint32_t *narcsp; + +static volatile uint16_t *kcount; +static size_t kcountsize; + +struct here_fromstruct + { + struct here_cg_arc_record volatile *here; + uint16_t link; + }; + +static volatile uint16_t *tos; + +static struct here_fromstruct *froms; +static uint32_t fromlimit; +static volatile uint32_t fromidx; + +static uintptr_t lowpc; +static size_t textsize; +static unsigned int hashfraction; +static unsigned int log_hashfraction; + + + +/* Set up profiling data to profile object desribed by MAP. The output + file is found (or created) in OUTPUT_DIR. */ +void +internal_function +_dl_start_profile (struct link_map *map, const char *output_dir) +{ + char *filename; + int fd; + struct stat64 st; + const ElfW(Phdr) *ph; + ElfW(Addr) mapstart = ~((ElfW(Addr)) 0); + ElfW(Addr) mapend = 0; + struct gmon_hdr gmon_hdr; + struct gmon_hist_hdr hist_hdr; + char *hist, *cp, *tmp; + size_t idx; + size_t tossize; + size_t fromssize; + uintptr_t highpc; + struct gmon_hdr *addr = NULL; + off_t expected_size; + /* See profil(2) where this is described. */ + int s_scale; +#define SCALE_1_TO_1 0x10000L + + /* Compute the size of the sections which contain program code. */ + for (ph = map->l_phdr; ph < &map->l_phdr[map->l_phnum]; ++ph) + if (ph->p_type == PT_LOAD && (ph->p_flags & PF_X)) + { + ElfW(Addr) start = (ph->p_vaddr & ~(_dl_pagesize - 1)); + ElfW(Addr) end = ((ph->p_vaddr + ph->p_memsz + _dl_pagesize - 1) + & ~(_dl_pagesize - 1)); + + if (start < mapstart) + mapstart = start; + if (end > mapend) + mapend = end; + } + + /* Now we can compute the size of the profiling data. This is done + with the same formulars as in `monstartup' (see gmon.c). */ + running = 0; + lowpc = ROUNDDOWN (mapstart + map->l_addr, + HISTFRACTION * sizeof (HISTCOUNTER)); + highpc = ROUNDUP (mapend + map->l_addr, + HISTFRACTION * sizeof (HISTCOUNTER)); + textsize = highpc - lowpc; + kcountsize = textsize / HISTFRACTION; + hashfraction = HASHFRACTION; + if ((HASHFRACTION & (HASHFRACTION - 1)) == 0) + /* If HASHFRACTION is a power of two, mcount can use shifting + instead of integer division. Precompute shift amount. */ + log_hashfraction = ffs (hashfraction * sizeof (*froms)) - 1; + else + log_hashfraction = -1; + tossize = textsize / HASHFRACTION; + fromlimit = textsize * ARCDENSITY / 100; + if (fromlimit < MINARCS) + fromlimit = MINARCS; + if (fromlimit > MAXARCS) + fromlimit = MAXARCS; + fromssize = fromlimit * sizeof (struct here_fromstruct); + + expected_size = (sizeof (struct gmon_hdr) + + 4 + sizeof (struct gmon_hist_hdr) + kcountsize + + 4 + 4 + fromssize * sizeof (struct here_cg_arc_record)); + + /* Create the gmon_hdr we expect or write. */ + memset (&gmon_hdr, '\0', sizeof (struct gmon_hdr)); + memcpy (&gmon_hdr.cookie[0], GMON_MAGIC, sizeof (gmon_hdr.cookie)); + *(int32_t *) gmon_hdr.version = GMON_SHOBJ_VERSION; + + /* Create the hist_hdr we expect or write. */ + *(char **) hist_hdr.low_pc = (char *) mapstart; + *(char **) hist_hdr.high_pc = (char *) mapend; + *(int32_t *) hist_hdr.hist_size = kcountsize / sizeof (HISTCOUNTER); + *(int32_t *) hist_hdr.prof_rate = __profile_frequency (); + strncpy (hist_hdr.dimen, "seconds", sizeof (hist_hdr.dimen)); + hist_hdr.dimen_abbrev = 's'; + + /* First determine the output name. We write in the directory + OUTPUT_DIR and the name is composed from the shared objects + soname (or the file name) and the ending ".profile". */ + filename = (char *) alloca (strlen (output_dir) + 1 + strlen (_dl_profile) + + sizeof ".profile"); + cp = strcpy (filename, output_dir); + cp += strlen (output_dir); + *cp++ = '/'; + tmp = strcpy (cp, _dl_profile); + tmp += strlen (_dl_profile); + strcpy (tmp, ".profile"); + +#ifdef O_NOFOLLOW +# define EXTRA_FLAGS | O_NOFOLLOW +#else +# define EXTRA_FLAGS +#endif + fd = __open (filename, O_RDWR | O_CREAT EXTRA_FLAGS); + if (fd == -1) + { + /* We cannot write the profiling data so don't do anything. */ + char buf[400]; + _dl_error_printf ("%s: cannot open file: %s\n", filename, + __strerror_r (errno, buf, sizeof buf)); + return; + } + + if (fstat64 (fd, &st) < 0 || !S_ISREG (st.st_mode)) + { + /* Not stat'able or not a regular file => don't use it. */ + char buf[400]; + int errnum = errno; + __close (fd); + _dl_error_printf ("%s: cannot stat file: %s\n", filename, + __strerror_r (errnum, buf, sizeof buf)); + return; + } + + /* Test the size. If it does not match what we expect from the size + values in the map MAP we don't use it and warn the user. */ + if (st.st_size == 0) + { + /* We have to create the file. */ + char buf[_dl_pagesize]; + + memset (buf, '\0', _dl_pagesize); + + if (__lseek (fd, expected_size & ~(_dl_pagesize - 1), SEEK_SET) == -1) + { + char buf[400]; + int errnum; + cannot_create: + errnum = errno; + __close (fd); + _dl_error_printf ("%s: cannot create file: %s\n", filename, + __strerror_r (errnum, buf, sizeof buf)); + return; + } + + if (TEMP_FAILURE_RETRY (__libc_write (fd, buf, (expected_size + & (_dl_pagesize - 1)))) + < 0) + goto cannot_create; + } + else if (st.st_size != expected_size) + { + __close (fd); + wrong_format: + + if (addr != NULL) + __munmap ((void *) addr, expected_size); + + _dl_error_printf ("%s: file is no correct profile data file for `%s'\n", + filename, _dl_profile); + return; + } + + addr = (struct gmon_hdr *) __mmap (NULL, expected_size, PROT_READ|PROT_WRITE, + MAP_SHARED|MAP_FILE, fd, 0); + if (addr == (struct gmon_hdr *) MAP_FAILED) + { + char buf[400]; + int errnum = errno; + __close (fd); + _dl_error_printf ("%s: cannot map file: %s\n", filename, + __strerror_r (errnum, buf, sizeof buf)); + return; + } + + /* We don't need the file desriptor anymore. */ + __close (fd); + + /* Pointer to data after the header. */ + hist = (char *) (addr + 1); + kcount = (uint16_t *) ((char *) hist + sizeof (uint32_t) + + sizeof (struct gmon_hist_hdr)); + + /* Compute pointer to array of the arc information. */ + narcsp = (uint32_t *) ((char *) kcount + kcountsize + sizeof (uint32_t)); + data = (struct here_cg_arc_record *) ((char *) narcsp + sizeof (uint32_t)); + + if (st.st_size == 0) + { + /* Create the signature. */ + memcpy (addr, &gmon_hdr, sizeof (struct gmon_hdr)); + + *(uint32_t *) hist = GMON_TAG_TIME_HIST; + memcpy (hist + sizeof (uint32_t), &hist_hdr, + sizeof (struct gmon_hist_hdr)); + + narcsp[-1] = GMON_TAG_CG_ARC; + } + else + { + /* Test the signature in the file. */ + if (memcmp (addr, &gmon_hdr, sizeof (struct gmon_hdr)) != 0 + || *(uint32_t *) hist != GMON_TAG_TIME_HIST + || memcmp (hist + sizeof (uint32_t), &hist_hdr, + sizeof (struct gmon_hist_hdr)) != 0 + || narcsp[-1] != GMON_TAG_CG_ARC) + goto wrong_format; + } + + /* Allocate memory for the froms data and the pointer to the tos records. */ + tos = (uint16_t *) calloc (tossize + fromssize, 1); + if (tos == NULL) + { + __munmap ((void *) addr, expected_size); + _dl_fatal_printf ("Out of memory while initializing profiler\n"); + /* NOTREACHED */ + } + + froms = (struct here_fromstruct *) ((char *) tos + tossize); + fromidx = 0; + + /* Now we have to process all the arc count entries. BTW: it is + not critical whether the *NARCSP value changes meanwhile. Before + we enter a new entry in to toset we will check that everything is + available in TOS. This happens in _dl_mcount. + + Loading the entries in reverse order should help to get the most + frequently used entries at the front of the list. */ + for (idx = narcs = MIN (*narcsp, fromlimit); idx > 0; ) + { + size_t to_index; + size_t newfromidx; + --idx; + to_index = (data[idx].self_pc / (hashfraction * sizeof (*tos))); + newfromidx = fromidx++; + froms[newfromidx].here = &data[idx]; + froms[newfromidx].link = tos[to_index]; + tos[to_index] = newfromidx; + } + + /* Setup counting data. */ + if (kcountsize < highpc - lowpc) + { +#if 0 + s_scale = ((double) kcountsize / (highpc - lowpc)) * SCALE_1_TO_1; +#else + size_t range = highpc - lowpc; + size_t quot = range / kcountsize; + + if (quot >= SCALE_1_TO_1) + s_scale = 1; + else if (quot >= SCALE_1_TO_1 / 256) + s_scale = SCALE_1_TO_1 / quot; + else if (range > ULONG_MAX / 256) + s_scale = (SCALE_1_TO_1 * 256) / (range / (kcountsize / 256)); + else + s_scale = (SCALE_1_TO_1 * 256) / ((range * 256) / kcountsize); +#endif + } + else + s_scale = SCALE_1_TO_1; + + /* Start the profiler. */ + profil ((void *) kcount, kcountsize, lowpc, s_scale); + + /* Turn on profiling. */ + running = 1; +} + + +void +_dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc) +{ + volatile uint16_t *topcindex; + size_t i, fromindex; + struct here_fromstruct *fromp; + + if (! running) + return; + + /* Compute relative addresses. The shared object can be loaded at + any address. The value of frompc could be anything. We cannot + restrict it in any way, just set to a fixed value (0) in case it + is outside the allowed range. These calls show up as calls from + <external> in the gprof output. */ + frompc -= lowpc; + if (frompc >= textsize) + frompc = 0; + selfpc -= lowpc; + if (selfpc >= textsize) + goto done; + + /* Getting here we now have to find out whether the location was + already used. If yes we are lucky and only have to increment a + counter (this also has to be atomic). If the entry is new things + are getting complicated... */ + + /* Avoid integer divide if possible. */ + if ((HASHFRACTION & (HASHFRACTION - 1)) == 0) + i = selfpc >> log_hashfraction; + else + i = selfpc / (hashfraction * sizeof (*tos)); + + topcindex = &tos[i]; + fromindex = *topcindex; + + if (fromindex == 0) + goto check_new_or_add; + + fromp = &froms[fromindex]; + + /* We have to look through the chain of arcs whether there is already + an entry for our arc. */ + while (fromp->here->from_pc != frompc) + { + if (fromp->link != 0) + do + fromp = &froms[fromp->link]; + while (fromp->link != 0 && fromp->here->from_pc != frompc); + + if (fromp->here->from_pc != frompc) + { + topcindex = &fromp->link; + + check_new_or_add: + /* Our entry is not among the entries we read so far from the + data file. Now see whether we have to update the list. */ + while (narcs != *narcsp && narcs < fromlimit) + { + size_t to_index; + size_t newfromidx; + to_index = (data[narcs].self_pc + / (hashfraction * sizeof (*tos))); + newfromidx = exchange_and_add (&fromidx, 1) + 1; + froms[newfromidx].here = &data[narcs]; + froms[newfromidx].link = tos[to_index]; + tos[to_index] = newfromidx; + atomic_add (&narcs, 1); + } + + /* If we still have no entry stop searching and insert. */ + if (*topcindex == 0) + { + uint32_t newarc = exchange_and_add (narcsp, 1); + + /* In rare cases it could happen that all entries in FROMS are + occupied. So we cannot count this anymore. */ + if (newarc >= fromlimit) + goto done; + + *topcindex = exchange_and_add (&fromidx, 1) + 1; + fromp = &froms[*topcindex]; + + fromp->here = &data[newarc]; + data[newarc].from_pc = frompc; + data[newarc].self_pc = selfpc; + data[newarc].count = 0; + fromp->link = 0; + atomic_add (&narcs, 1); + + break; + } + + fromp = &froms[*topcindex]; + } + else + /* Found in. */ + break; + } + + /* Increment the counter. */ + atomic_add (&fromp->here->count, 1); + + done: + ; +} |