Update.
1998-11-17 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf_fphex.c (__printf_fphex): Correct printing of denormalized numbers. 1998-10-06 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/dl-machine.h (elf_machine_load_address): Suppress another parentheses warning, make nano-optimisation. * sysdeps/powerpc/dl-machine.h (_dl_runtime_resolve): Preserve saved LR on stack so _mcount works. (_dl_prof_resolve): Likewise. * sysdeps/powerpc/register-dump.h: Print FPRs. Adjust for correct signal handler calling convention. * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: Adjust for correct signal handler calling convention---more like x86 linux and mklinux, less like linux-ppc versions between 2.1 and 2.1.126. 1998-11-17 Ulrich Drepper <drepper@cygnus.com> * configure.in: Correct allowed makeinfo version. 1998-11-17 Philip Blundell <pb@nexus.co.uk> * sysdeps/generic/bits/mathdef.h: Fix typo. * intl/locale.alias: Change `japanese' alias to match X11R6's.
This commit is contained in:
Ulrich Drepper
parent
cae8899646
commit
d8cceb4fcf
29
ChangeLog
29
ChangeLog
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@ -1,3 +1,30 @@
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1998-11-17 Ulrich Drepper <drepper@cygnus.com>
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* stdio-common/printf_fphex.c (__printf_fphex): Correct printing
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of denormalized numbers.
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1998-10-06 Geoff Keating <geoffk@ozemail.com.au>
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* sysdeps/powerpc/dl-machine.h (elf_machine_load_address): Suppress
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another parentheses warning, make nano-optimisation.
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* sysdeps/powerpc/dl-machine.h (_dl_runtime_resolve): Preserve
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saved LR on stack so _mcount works.
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(_dl_prof_resolve): Likewise.
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* sysdeps/powerpc/register-dump.h: Print FPRs. Adjust for correct
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signal handler calling convention.
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* sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: Adjust for
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correct signal handler calling convention---more like x86 linux and
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mklinux, less like linux-ppc versions between 2.1 and 2.1.126.
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1998-11-17 Ulrich Drepper <drepper@cygnus.com>
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* configure.in: Correct allowed makeinfo version.
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1998-11-17 Philip Blundell <pb@nexus.co.uk>
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* sysdeps/generic/bits/mathdef.h: Fix typo.
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1998-11-17 Geoff Keating <geoffk@ozemail.com.au>
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* sysdeps/unix/sysv/linux/powerpc/pwrite.c: Prototype the syscall
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@ -11,7 +38,7 @@
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1998-11-16 Ulrich Drepper <drepper@cygnus.com>
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* intl/locale.alias: Change `japanese' alais to match X11R6's.
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* intl/locale.alias: Change `japanese' alias to match X11R6's.
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Add `japanese.euc' alias.
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* manual/Makefile (%.info): Set LANGUAGE and LC_ALL explicitly to C
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@ -16,7 +16,7 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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if !defined _MATH_H && !defined _COMPLEX_H
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#if !defined _MATH_H && !defined _COMPLEX_H
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# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
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#endif
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4
configure
vendored
4
configure
vendored
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@ -1432,7 +1432,7 @@ echo "configure:1432: checking version of $MAKEINFO" >&5
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ac_prog_version=`$MAKEINFO --version 2>&1 | sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
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case $ac_prog_version in
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'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
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3.1[1-9] | 3.[2-9][0-9])
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1.6[89] | 1.7[0-9])
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ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
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*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
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@ -2086,7 +2086,7 @@ else
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echo '* Prog: (prog). Program.'
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echo 'END-INFO-DIR-ENTRY') >conftest.d/prog.info
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if $INSTALL_INFO --info-dir=conftest.d conftest.d/prog.info >&5 2>&1
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then
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then
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if grep -s 'i-d-s works' conftest.d/dir >/dev/null
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then libc_cv_old_debian_install_info=no
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else libc_cv_old_debian_install_info=yes
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@ -451,7 +451,7 @@ AC_CHECK_PROG_VER(MSGFMT, msgfmt gmsgfmt, --version,
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[0.[1-9][0-9].* | [1-9].*], MSGFMT=: aux_missing=t)
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AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
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[GNU texinfo.* \([0-9][0-9.]*\)],
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[3.1[1-9] | 3.[2-9][0-9]], MAKEINFO=: aux_missing=t)
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[1.6[89] | 1.7[0-9]], MAKEINFO=: aux_missing=t)
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if test -n "$critic_missing"; then
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AC_MSG_ERROR([
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@ -576,7 +576,7 @@ AC_CACHE_CHECK(for old Debian install-info, libc_cv_old_debian_install_info,
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echo '* Prog: (prog). Program.'
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echo 'END-INFO-DIR-ENTRY') >conftest.d/prog.info
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if $INSTALL_INFO --info-dir=conftest.d conftest.d/prog.info >&AC_FD_CC 2>&1
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then
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then
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if grep -s 'i-d-s works' conftest.d/dir >/dev/null
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then libc_cv_old_debian_install_info=no
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else libc_cv_old_debian_install_info=yes
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@ -1,6 +1,6 @@
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/* Print floating point number in hexadecimal notation according to
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ISO C 9X.
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Copyright (C) 1997 Free Software Foundation, Inc.
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Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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@ -244,16 +244,26 @@ __printf_fphex (FILE *fp,
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exponent = fpnum.dbl.ieee.exponent;
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if (exponent == 0 ? !zero_mantissa : exponent < IEEE754_DOUBLE_BIAS)
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if (exponent == 0)
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{
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expnegative = 1;
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exponent = -(exponent - IEEE754_DOUBLE_BIAS);
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if (zero_mantissa)
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expnegative = 0;
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else
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{
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/* This is a denormalized number. */
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expnegative = 1;
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exponent = -(1 - IEEE754_DOUBLE_BIAS);
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}
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}
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else if (exponent >= IEEE754_DOUBLE_BIAS)
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{
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expnegative = 0;
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exponent -= IEEE754_DOUBLE_BIAS;
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}
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else
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{
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expnegative = 0;
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if (exponent != 0)
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exponent -= IEEE754_DOUBLE_BIAS;
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expnegative = 1;
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exponent = -(exponent - IEEE754_DOUBLE_BIAS);
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}
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}
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else
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@ -282,20 +292,30 @@ __printf_fphex (FILE *fp,
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/* We use a full nibble for the leading digit. */
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leading = *numstr++;
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/* We have 3 bits from the mantissa in the leading nibble. */
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/* We have 3 bits from the mantissa in the leading nibble.
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Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'. */
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exponent = fpnum.ldbl.ieee.exponent;
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if (exponent == 0 ? !zero_mantissa
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: exponent < IEEE854_LONG_DOUBLE_BIAS + 3)
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if (exponent == 0)
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{
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expnegative = 1;
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exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3));
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if (zero_mantissa)
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expnegative = 0;
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else
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{
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/* This is a denormalized number. */
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expnegative = 1;
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exponent = -(1 - (IEEE854_LONG_DOUBLE_BIAS + 3));
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}
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}
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else if (exponent >= IEEE854_LONG_DOUBLE_BIAS + 3)
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{
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expnegative = 0;
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exponent -= IEEE854_LONG_DOUBLE_BIAS + 2;
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}
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else
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{
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expnegative = 0;
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if (exponent != 0)
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exponent -= IEEE854_LONG_DOUBLE_BIAS + 3;
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expnegative = 1;
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exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3));
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}
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}
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@ -16,7 +16,7 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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if !defined _MATH_H && !defined _COMPLEX_H
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#if !defined _MATH_H && !defined _COMPLEX_H
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# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
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#endif
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@ -91,8 +91,7 @@ elf_machine_load_address (void)
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/* So now work out the difference between where the branch actually points,
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and the offset of that location in memory from the start of the file. */
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return ((Elf32_Addr)branchaddr - *got
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+ (*branchaddr & 0x3fffffc
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| (int)(*branchaddr << 6 & 0x80000000) >> 6));
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+ ((int)(*branchaddr << 6 & 0xffffff00) >> 6));
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}
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#define ELF_MACHINE_BEFORE_RTLD_RELOC(dynamic_info) /* nothing */
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@ -111,7 +110,7 @@ elf_machine_load_address (void)
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_dl_runtime_resolve:
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# We need to save the registers used to pass parameters, and register 0,
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# which is used by _mcount; the registers are saved in a stack frame.
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stwu 1,-48(1)
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stwu 1,-64(1)
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stw 0,12(1)
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stw 3,16(1)
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stw 4,20(1)
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@ -123,7 +122,7 @@ _dl_runtime_resolve:
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mflr 0
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# We also need to save some of the condition register fields.
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stw 7,32(1)
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stw 0,52(1)
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stw 0,48(1)
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stw 8,36(1)
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mfcr 0
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stw 9,40(1)
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@ -133,7 +132,7 @@ _dl_runtime_resolve:
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# 'fixup' returns the address we want to branch to.
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mtctr 3
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# Put the registers back...
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lwz 0,52(1)
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lwz 0,48(1)
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lwz 10,44(1)
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lwz 9,40(1)
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mtlr 0
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@ -147,7 +146,7 @@ _dl_runtime_resolve:
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lwz 3,16(1)
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lwz 0,12(1)
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# ...unwind the stack frame, and jump to the PLT entry we updated.
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addi 1,1,48
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addi 1,1,64
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bctr
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.size _dl_runtime_resolve,.-_dl_runtime_resolve
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@ -157,7 +156,7 @@ _dl_runtime_resolve:
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_dl_prof_resolve:
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# We need to save the registers used to pass parameters, and register 0,
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# which is used by _mcount; the registers are saved in a stack frame.
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stwu 1,-48(1)
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stwu 1,-64(1)
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stw 0,12(1)
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stw 3,16(1)
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stw 4,20(1)
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@ -169,7 +168,7 @@ _dl_prof_resolve:
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mflr 5
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# We also need to save some of the condition register fields.
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stw 7,32(1)
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stw 5,52(1)
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stw 5,48(1)
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stw 8,36(1)
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mfcr 0
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stw 9,40(1)
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@ -179,7 +178,7 @@ _dl_prof_resolve:
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# 'fixup' returns the address we want to branch to.
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mtctr 3
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# Put the registers back...
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lwz 0,52(1)
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lwz 0,48(1)
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lwz 10,44(1)
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lwz 9,40(1)
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mtlr 0
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@ -193,7 +192,7 @@ _dl_prof_resolve:
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lwz 3,16(1)
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lwz 0,12(1)
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# ...unwind the stack frame, and jump to the PLT entry we updated.
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addi 1,1,48
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addi 1,1,64
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bctr
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.size _dl_prof_resolve,.-_dl_prof_resolve
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# Undo '.section text'.
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@ -21,16 +21,26 @@
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#include <stdio-common/_itoa.h>
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/* This prints out the information in the following form: */
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static const char dumpform[] =
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"Register dump:\n\
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r0 =0000000% sp =0000000% r2 =0000000% r3 =0000000% r4 =0000000% r5 =0000000%
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r6 =0000000% r7 =0000000% r8 =0000000% r9 =0000000% r10=0000000% r11=0000000%
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r12=0000000% r13=0000000% r14=0000000% r15=0000000% r16=0000000% r17=0000000%
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r18=0000000% r19=0000000% r20=0000000% r21=0000000% r22=0000000% r23=0000000%
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r24=0000000% r25=0000000% r26=0000000% r27=0000000% r28=0000000% r29=0000000%
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r30=0000000% r31=0000000% sr0=0000000% msr=0000000% r3*=0000000% ctr=0000000%
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lr =0000000% xer=0000000% ccr=0000000% sr1=0000000% trap=0000000%
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address of fault=0000000% dsisr=0000000%\n";
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static const char dumpform[] = "\
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Register dump:
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fp0-3: 0000030%0000031% 0000032%0000033% 0000034%0000035% 0000036%0000037%
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fp4-7: 0000038%0000039% 000003a%000003b% 000003c%000003d% 000003e%000003f%
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fp8-11: 0000040%0000041% 0000042%0000043% 0000044%0000045% 0000046%0000047%
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fp12-15: 0000048%0000049% 000004a%000004b% 000004c%000004d% 000004e%000004f%
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fp16-19: 0000050%0000051% 0000052%0000053% 0000054%0000055% 0000056%0000057%
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fp20-23: 0000058%0000059% 000005a%000005b% 000005c%000005d% 000005e%000005f%
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fp24-27: 0000060%0000061% 0000062%0000063% 0000064%0000065% 0000066%0000067%
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fp28-31: 0000068%0000069% 000006a%000006b% 000006c%000006d% 000006e%000006f%
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r0 =0000000% sp =0000001% r2 =0000002% r3 =0000003% trap=0000028%
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r4 =0000004% r5 =0000005% r6 =0000006% r7 =0000007% sr0=0000020% sr1=0000021%
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r8 =0000008% r9 =0000009% r10=000000a% r11=000000b% dar=0000029% dsi=000002a%
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r12=000000c% r13=000000d% r14=000000e% r15=000000f% r3*=0000022%
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r16=0000010% r17=0000011% r18=0000012% r19=0000013%
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r20=0000014% r21=0000015% r22=0000016% r23=0000017% lr=0000024% xer=0000025%
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r24=0000018% r25=0000019% r26=000001a% r27=000001b% mq=0000027% ctr=0000023%
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r28=000001c% r29=000001d% r30=000001e% r31=000001f% fscr=0000071% ccr=0000026%
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";
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/* Most of the fields are self-explanatory. 'sr0' is the next
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instruction to execute, from SRR0, which may have some relationship
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with the instruction that caused the exception. 'r3*' is the value
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@ -66,8 +76,8 @@ address of fault=0000000% dsisr=0000000%\n";
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00C00 - System call exception (for instance, kill(3)).
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00E00 - FP assist exception (optional FP instructions, etc.)
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'address of fault' is the memory location that wasn't mapped
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(from the DAR). 'dsisr' has the following bits under trap 00300:
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'dar' is the memory location, for traps 00300, 00400, 00600, 00A00.
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'dsisr' has the following bits under trap 00300:
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0 - direct-store error exception
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1 - no page table entry for page
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4 - memory access not permitted
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@ -82,23 +92,24 @@ address of fault=0000000% dsisr=0000000%\n";
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the instruction without actually having to read it from memory.
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*/
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#define xtoi(x) (x >= 'a' ? x + 10 - 'a' : x - '0')
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static void
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register_dump (int fd, void **ctx)
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register_dump (int fd, struct sigcontext *ctx)
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{
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char buffer[sizeof(dumpform)];
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char *bufferpos = buffer;
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int i = 0;
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char *bufferpos;
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unsigned regno;
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unsigned *regs = (unsigned *)(ctx->regs);
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memcpy(buffer, dumpform, sizeof(dumpform));
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ctx += 8; /* FIXME!!!! Why is this necessary? Is it necessary? */
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/* Generate the output. */
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while ((bufferpos = memchr (bufferpos, '%', sizeof(dumpform))))
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while ((bufferpos = memchr (buffer, '%', sizeof(dumpform))))
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{
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*bufferpos++ = '0';
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_itoa_word ((unsigned long int)(ctx[i]), bufferpos, 16, 0);
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i++;
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regno = xtoi (bufferpos[-1]) | xtoi (bufferpos[-2]) << 4;
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memset (bufferpos-2, '0', 3);
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_itoa_word (regs[regno], bufferpos+1, 16, 0);
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}
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/* Write the output. */
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||||
|
|
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|||
|
|
@ -16,9 +16,9 @@
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|||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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||||
Boston, MA 02111-1307, USA. */
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||||
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||||
#include <sys/ptrace.h>
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#include <signal.h>
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||||
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#define SIGCONTEXT void **
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#define GET_PC(ctx) ((ctx)[PT_NIP])
|
||||
#define GET_FRAME(ctx) (*(void **)(ctx)[PT_R1])
|
||||
#define GET_STACK(ctx) ((ctx)[PT_R1])
|
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#define SIGCONTEXT struct sigcontext *
|
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#define GET_PC(ctx) ((void *)((ctx)->regs->nip))
|
||||
#define GET_FRAME(ctx) (*(void **)((ctx)->regs->gpr[1]))
|
||||
#define GET_STACK(ctx) ((void *)((ctx)->regs->gpr[1]))
|
||||
|
|
|
|||
Loading…
Reference in a new issue