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author | Ulrich Drepper <drepper@redhat.com> | 1997-12-04 00:12:34 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-12-04 00:12:34 +0000 |
commit | cbdee2790df9dac548fb3157cfaf7aceb0f40034 (patch) | |
tree | 566a6db9f880efdd95cb05a92d37a4c7ef6b8092 /elf | |
parent | 04be94a87d0a74c022490db7f4f926253f0d69d3 (diff) | |
download | glibc-cbdee2790df9dac548fb3157cfaf7aceb0f40034.tar.gz glibc-cbdee2790df9dac548fb3157cfaf7aceb0f40034.tar.xz glibc-cbdee2790df9dac548fb3157cfaf7aceb0f40034.zip |
Update. cvs/libc-ud-971204
1997-12-03 23:50 Ulrich Drepper <drepper@cygnus.com> * Makeconfig: Add shared-thread-library variable. * math/Makfile (CPPFLAGS): Add -D__LIBC_INTERNAL_MATH_INLINES. * sysdeps/i386/Makefile: Don't define ___LIBC_INTERNAL_MATH_INLINES here. * sysdeps/m68k/fpu/e_acos.c: Likewise. * sysdeps/m68k/fpu/e_atan2.c: Likewise. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/e_pow.c: Likewise. * sysdeps/m68k/fpu/e_scalb.c: Likewise. * sysdeps/m68k/fpu/k_cos.c: Likewise. * sysdeps/m68k/fpu/k_sin.c: Likewise. * sysdeps/m68k/fpu/k_tan.c: Likewise. * sysdeps/m68k/fpu/s_atan.c: Likewise. * sysdeps/m68k/fpu/s_ccos.c: Likewise. * sysdeps/m68k/fpu/s_ccosh.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. * sysdeps/m68k/fpu/s_csin.c: Likewise. * sysdeps/m68k/fpu/s_csinh.c: Likewise. * sysdeps/m68k/fpu/s_frexp.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_isinf.c: Likewise. * sysdeps/m68k/fpu/s_llrint.c: Likewise. * sysdeps/m68k/fpu/s_llrintf.c: Likewise. * sysdeps/m68k/fpu/s_llrintl.c: Likewise. * sysdeps/m68k/fpu/s_lrint.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise. * sysdeps/m68k/fpu/s_remquo.c: Likewise. * sysdeps/m68k/fpu/s_scalbn.c: Likewise. * sysdeps/m68k/fpu/s_sincos.c: Likewise. * libc.map: Add __libc_current_sigrtmin, __libc_current_sigrtmax, __libc_allocate_rtsig, sigqueue, sigtimedwait, sigwaitinfo. * signal/Makefile (headers): Add bits/siginfo.h. (routines): Add allocrtsig, sigtimedwait, sigwaitinfo, sigqueue. (distribute): Add testrtsig.h. * signal/allocrtsig.c: New file. * signal/signal.h: Define `union sigval'. Include <bits/siginfo.h>. Declare sigwaitinfo, sigtimedwait, sigqueue, __libc_current_sigrtmin, __libc_current_sigrtmax. * sysdeps/generic/sigqueue.c: New file. * sysdeps/generic/sigtimedwait.c: New file. * sysdeps/generic/sigwaitinfo.c: New file. * sysdeps/generic/testrtsig.h: New file. * sysdeps/generic/bits/siginfo.h: New file. * sysdeps/unix/sysv/linux/bits/siginfo.h: New file. * sysdeps/unix/sysv/linux/kernel_sigaction.h: Define struct as old_kernel_sigaction and rename sa_handler member to k_sa_handler. * sysdeps/unix/sysv/linux/rt_sigaction.c: New file. * sysdeps/unix/sysv/linux/rt_sigprocmask.c: New file. * sysdeps/unix/sysv/linux/rt_sigqueueinfo.c: New file. * sysdeps/unix/sysv/linux/rt_sigreturn.c: New file. * sysdeps/unix/sysv/linux/rt_sigsuspend.c: New file. * sysdeps/unix/sysv/linux/rt_sigtimedwait.c: New file. * sysdeps/unix/sysv/linux/sigpending.c: New file. * sysdeps/unix/sysv/linux/sigprocmask.c: New file. * sysdeps/unix/sysv/linux/sigqueue.c: New file. * sysdeps/unix/sysv/linux/sigreturn.c: New file. * sysdeps/unix/sysv/linux/sigtimedwait.c: New file. * sysdeps/unix/sysv/linux/sigwaitinfo.c: New file. * sysdeps/unix/sysv/linux/testrtsig.h: New file. * sysdeps/unix/sysv/linux/sigsuspend.c: Update for AIO. * sysdeps/unix/sysv/linux/syscalls.list: Update for AIO. * sysdeps/unix/sysv/linux/sigaction.c: Update for AIO. * sysdeps/unix/sysv/linux/bits/local_lim.h: Define AIO_PRIO_DELTA_MAX. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _XOPEN_REALTIME and _POSIX_REALTIME_SIGNALS. * sysdeps/unix/sysv/linux/bits/sigaction.h: Update for AIO. * sysdeps/unix/sysv/linux/bits/signum.h: Define SIGRTMIN/MAX and update _NSIG. * sysdeps/unix/sysv/linux/i386/sigaction.c: Update for AIO. * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Linux/i386 specific definitions. * Makefile (subdirs): Add rt. * shlib-versions: Add entry for librt. * rt/Makefile: New file. * rt/aio.h: New file. * rt/aio_cancel.c: New file. * rt/aio_error.c: New file. * rt/aio_fsync.c: New file. * rt/aio_misc.c: New file. * rt/aio_misc.h: New file. * rt/aio_read.c: New file. * rt/aio_read64.c: New file. * rt/aio_return.c: New file. * rt/aio_suspend.c: New file. * rt/aio_write.c: New file. * rt/aio_write64.c: New file. * rt/lio_listio.c: New file. * rt/lio_listio64.c: New file. * sysdeps/generic/aio_sigqueue.c: New file. * sysdeps/unix/sysv/linux/aio_sigqueue.c: New file. * sysdeps/unix/sysv/linux/Dist: Add new files * sysdeps/unix/sysv/linux/Makefile [$(subdir)=signal] (sysdep_routines): Add rt_sigsuspend, rt_sigprocmask, rt_sigtimedwait, rt_sigqueueinfo, rt_sigaction. * posix/Makefile (headers): Add bits/environments.h. * posix/confstr.c: Correctly handle _CS_XBS5_ILP32_OFFBIG_CFLAGS and _CS_LFS_CFLAGS on 64bit platforms. * posix/unistd.h: Define _XOPEN_LEGACY. Explain _XOPEN_REALTIME and _XOPEN_REALTIME_THREADS. Include bits/environments.h. * sysdeps/generic/bits/confname.h: Define _SC_* constants for compilation modules. * sysdeps/wordsize-32/bits/environments.h: New file. * sysdeps/wordsize-64/bits/environments.h: New file. * posix/getopt.c: Remove declaration of getpid and __libc_pid. * posix/getopt_init.c: Test for value 0xf00baa of uninitialized __libc_pid. * sysdeps/unix/sysv/linux/init-first.c: Initialize __libc_pid to 0xf00baa. * string/string.h: Add declaration of __strverscmp. * string/strverscmp.c: Rename function ot __strverscmp and make old name weak alias. * sysdeps/generic/dl-sysdep.c: Declare and define __libc_uid. * sysdeps/generic/enbl-secure.c: Likewise. * sysdeps/mach/hurd/dl-sysdep.c: Likewise. * sysdeps/unix/sysv/linux/bits/sigset.h: Pretty print. * sysdeps/unix/sysv/linux/sys/pci.h: New file. 1997-12-03 Ulrich Drepper <drepper@cygnus.com> * posix/sys/wait.h: Use __transparent_union__ instead of transparent_union. Reported by Roland McGrath. 1997-12-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * resolv/inet_neta.c (inet_neta): Change type of first parameter to u_int32_t. Suggested by John Lavagnino <John_Lavagnino@Brown.edu> [PR libc/366]. * resolv/inet_addr.c (inet_addr): Change return type to u_int32_t. * inet/arpa/inet.h: Change types of inet_neta and inet_addr. 1997-12-03 20:40 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * grp/initgroups.c: Increase buffer if it is too small. 1997-12-03 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/netinet/ip.h: Don't use u_int8_t for bit fields, this is no ISO C. Reported by Andreas Jaeger. 1997-12-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/i386/sys/ucontext.h (enum): Add missing commata. 1997-12-03 08:58 Philip Blundell <pb@nexus.co.uk> * sysdeps/generic/bits/utsname.h: <sys/utsname.h> defines _SYS_UTSNAME_H not _UTSNAME_H. 1997-11-28 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-profile.c (_dl_start_profile): Avoid overflow when computing s_scale. 1997-11-29 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_csqrt.c: Use different formula for now. * sysdeps/libm-ieee754/s_csqrtf.c: Likewise. * sysdeps/libm-ieee754/s_csqrtl.c: Likewise. * math/libm-test.c (csqrt_test): Add testcase. 1997-12-03 15:44 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/sys/ultrasound.h: New file. * sysdeps/unix/sysv/linux/sys/Dist: Add it. * sysdeps/unix/sysv/linux/sys/Makefile [$(subdir)=misc]: Likewise. 1997-11-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/timex.h: Fix declaration. 1997-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c (acos_test): Add more tests. (asin_test): Likewise. (atan_test): Likewise. (exp_test): Likewise. (sin_test): Likewise. (sqrt_test): Likewise. (cpow_test): Likewise. (csqrt_test): Likewise. (cexp_test): Correct typo in gcc version test. 1997-12-02 17:14 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/__longjmp.S: Define _SETJMP_H before including <bits/setjmp.h>. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/arm/bits/mman.h: New file. 1997-12-02 18:07 Philip Blundell <pb@nexus.co.uk> * stdio/stdio.h: Add prototype for tmpfile64(). 1997-12-02 17:47 Philip Blundell <pb@nexus.co.uk> * stdio/stdio.h (__stdio_gen_tempname): Add extra argument to prototype to keep in step with libio version. * stdio-common/tmpfile64.c: Include <errno.h> for ENOSYS. 1997-12-02 17:41 Philip Blundell <pb@nexus.co.uk> * sysdeps/generic/Makefile: Don't try to use make_siglist if cross-compiling. 1997-12-02 01:18 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/i386/clone.S: When cloned process returns load GOT ptr before jumping to _exit. Reported by Xavier Leroy.
Diffstat (limited to 'elf')
-rw-r--r-- | elf/dl-profile.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/elf/dl-profile.c b/elf/dl-profile.c index f67b5d08b5..40c4757307 100644 --- a/elf/dl-profile.c +++ b/elf/dl-profile.c @@ -22,6 +22,7 @@ #include <errno.h> #include <fcntl.h> #include <inttypes.h> +#include <limits.h> #include <link.h> #include <stdio.h> #include <stdlib.h> @@ -403,13 +404,20 @@ _dl_start_profile (struct link_map *map, const char *output_dir) /* Setup counting data. */ if (kcountsize < highpc - lowpc) { - /* XXX I've not yet verified that the second expression is really - well suited but something like this is in any case necessary - for targets without hardware FP support. --drepper */ #if 0 s_scale = ((double) kcountsize / (highpc - lowpc)) * SCALE_1_TO_1; #else - s_scale = (kcountsize * SCALE_1_TO_1) / (highpc - lowpc); + 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 |