diff options
| -rw-r--r-- | gdb/ChangeLog | 12 | ||||
| -rw-r--r-- | gdb/Makefile.in | 17 | ||||
| -rwxr-xr-x | gdb/configure | 743 | ||||
| -rw-r--r-- | gdb/configure.ac | 36 | ||||
| -rw-r--r-- | gdb/i386-cygwin-tdep.c | 10 |
5 files changed, 664 insertions, 154 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3cb6fb6..6dfdde0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,15 @@ +2007-11-27 Ulrich Weigand <uweigand@de.ibm.com> + + * Makefile.in (ALL_TARGET_OBS): Remove object files that require + 64-bit CORE_ADDR and BFD support, move them to ... + (ALL_64_TARGET_OBS): ... this new variable. + * configure.ac: Check for --enable-64-bit-bfd option. Only add + 64-bit targets with --enable-targets=all if BFD supports 64-bit. + * configure: Regenerate. + + * i386-cygwin-tdep.c (i386_cygwin_osabi_sniffer): Do not claim + all elf32-i386 executables, only cygwin core files. + 2007-11-25 Jan Kratochvil <jan.kratochvil@redhat.com> * dwarf2read.c (dwarf2_get_pc_bounds): Moved the `DW_AT_ranges' parsing diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 95b79d0..0795114 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -431,12 +431,20 @@ SIM_OBS = @SIM_OBS@ # Target-dependent object files. TARGET_OBS = @TARGET_OBS@ -# All target-dependent objects files (used with --enable-targets=all). -ALL_TARGET_OBS = \ +# All target-dependent objects files that require 64-bit CORE_ADDR +# (used with --enable-targets=all --enable-64-bit-bfd). +ALL_64_TARGET_OBS = \ alphabsd-tdep.o alphafbsd-tdep.o alpha-linux-tdep.o alpha-mdebug-tdep.o \ alphanbsd-tdep.o alphaobsd-tdep.o alpha-osf1-tdep.o alpha-tdep.o \ amd64fbsd-tdep.o amd64-linux-tdep.o amd64nbsd-tdep.o amd64obsd-tdep.o \ amd64-sol2-tdep.o amd64-tdep.o \ + ia64-linux-tdep.o ia64-tdep.o \ + mips64obsd-tdep.o \ + sparc64fbsd-tdep.o sparc64-linux-tdep.o sparc64nbsd-tdep.o \ + sparc64obsd-tdep.o sparc64-sol2-tdep.o sparc64-tdep.o + +# All other target-dependent objects files (used with --enable-targets=all). +ALL_TARGET_OBS = \ armbsd-tdep.o arm-linux-tdep.o armnbsd-tdep.o armobsd-tdep.o \ arm-tdep.o arm-wince-tdep.o \ avr-tdep.o \ @@ -447,7 +455,6 @@ ALL_TARGET_OBS = \ i386bsd-tdep.o i386-cygwin-tdep.o i386fbsd-tdep.o i386gnu-tdep.o \ i386-linux-tdep.o i386nbsd-tdep.o i386-nto-tdep.o i386obsd-tdep.o \ i386-sol2-tdep.o i386-tdep.o i387-tdep.o \ - ia64-linux-tdep.o ia64-tdep.o \ iq2000-tdep.o \ m32c-tdep.o \ m32r-linux-tdep.o m32r-tdep.o \ @@ -455,7 +462,7 @@ ALL_TARGET_OBS = \ m68kbsd-tdep.o m68klinux-tdep.o m68k-tdep.o \ m88k-tdep.o \ mep-tdep.o \ - mips64obsd-tdep.o mips-irix-tdep.o mips-linux-tdep.o \ + mips-irix-tdep.o mips-linux-tdep.o \ mipsnbsd-tdep.o mips-tdep.o \ mn10300-linux-tdep.o mn10300-tdep.o \ mt-tdep.o \ @@ -465,8 +472,6 @@ ALL_TARGET_OBS = \ s390-tdep.o \ score-tdep.o \ sh64-tdep.o sh-linux-tdep.o shnbsd-tdep.o sh-tdep.o \ - sparc64fbsd-tdep.o sparc64-linux-tdep.o sparc64nbsd-tdep.o \ - sparc64obsd-tdep.o sparc64-sol2-tdep.o sparc64-tdep.o \ sparc-linux-tdep.o sparcnbsd-tdep.o sparcobsd-tdep.o \ sparc-sol2-tdep.o sparc-tdep.o \ spu-tdep.o \ diff --git a/gdb/configure b/gdb/configure index ea3e14a..b84d894 100755 --- a/gdb/configure +++ b/gdb/configure @@ -861,6 +861,7 @@ Optional Features: --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer --enable-targets alternative target configurations + --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes) --disable-gdbcli disable command-line interface (CLI) --disable-gdbmi disable machine-interface (MI) --enable-tui enable full-screen terminal user interface (TUI) @@ -3095,6 +3096,20 @@ echo "$as_me: error: enable-targets option must specify target names or 'all'" > esac fi; +# Check whether to enable 64-bit support on 32-bit hosts +# Check whether --enable-64-bit-bfd or --disable-64-bit-bfd was given. +if test "${enable_64_bit_bfd+set}" = set; then + enableval="$enable_64_bit_bfd" + case "${enableval}" in + yes) want64=true ;; + no) want64=false ;; + *) { { echo "$as_me:$LINENO: error: bad value ${enableval} for 64-bit-bfd option" >&5 +echo "$as_me: error: bad value ${enableval} for 64-bit-bfd option" >&2;} + { (exit 1); exit 1; }; } ;; +esac +else + want64=false +fi; # Provide defaults for some variables set by the per-host and per-target # configuration. gdb_host_obs=posix-hdep.o @@ -3136,156 +3151,27 @@ do ;; esac done + + # Check whether this target needs 64-bit CORE_ADDR + if test x${want64} = xfalse; then + . ${srcdir}/../bfd/config.bfd + fi fi done if test x${all_targets} = xtrue; then - TARGET_OBS='$(ALL_TARGET_OBS)' -fi - - - -# For other settings, only the main target counts. -gdb_sim= -gdb_osabi= -build_gdbserver= -targ=$target; . ${srcdir}/configure.tgt - -# Fetch the default architecture and default target vector from BFD. -targ=$target; . $srcdir/../bfd/config.bfd - -# We only want the first architecture, so strip off the others if -# there is more than one. -targ_archs=`echo $targ_archs | sed 's/ .*//'` - -if test "x$targ_archs" != x; then - -cat >>confdefs.h <<_ACEOF -#define DEFAULT_BFD_ARCH $targ_archs -_ACEOF - -fi -if test "x$targ_defvec" != x; then - -cat >>confdefs.h <<_ACEOF -#define DEFAULT_BFD_VEC $targ_defvec -_ACEOF - -fi - -test "$program_prefix" != NONE && - program_transform_name="s,^,$program_prefix,;$program_transform_name" -# Use a double $ so make ignores it. -test "$program_suffix" != NONE && - program_transform_name="s,\$,$program_suffix,;$program_transform_name" -# Double any \ or $. echo might interpret backslashes. -# By default was `s,x,x', remove it if useless. -cat <<\_ACEOF >conftest.sed -s/[\\$]/&&/g;s/;s,x,x,$// -_ACEOF -program_transform_name=`echo $program_transform_name | sed -f conftest.sed` -rm conftest.sed - - -# The CLI cannot be disabled yet, but may be in the future. - -# Enable CLI. -# Check whether --enable-gdbcli or --disable-gdbcli was given. -if test "${enable_gdbcli+set}" = set; then - enableval="$enable_gdbcli" - case $enableval in - yes) - ;; - no) - { { echo "$as_me:$LINENO: error: the command-line interface cannot be disabled yet" >&5 -echo "$as_me: error: the command-line interface cannot be disabled yet" >&2;} - { (exit 1); exit 1; }; } ;; - *) - { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-gdbcli" >&5 -echo "$as_me: error: bad value $enableval for --enable-gdbcli" >&2;} - { (exit 1); exit 1; }; } ;; - esac -else - enable_gdbcli=yes -fi; -if test x"$enable_gdbcli" = xyes; then - if test -d $srcdir/cli; then - CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)" - CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)" - CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)" - ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)" - fi -fi - -# Enable MI. -# Check whether --enable-gdbmi or --disable-gdbmi was given. -if test "${enable_gdbmi+set}" = set; then - enableval="$enable_gdbmi" - case $enableval in - yes | no) - ;; - *) - { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-gdbmi" >&5 -echo "$as_me: error: bad value $enableval for --enable-gdbmi" >&2;} - { (exit 1); exit 1; }; } ;; - esac -else - enable_gdbmi=yes -fi; -if test x"$enable_gdbmi" = xyes; then - if test -d $srcdir/mi; then - CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)" - CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)" - CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)" - ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)" - fi -fi -# Enable TUI. -# Check whether --enable-tui or --disable-tui was given. -if test "${enable_tui+set}" = set; then - enableval="$enable_tui" - case $enableval in - yes | no) - ;; - *) - { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-tui" >&5 -echo "$as_me: error: bad value $enableval for --enable-tui" >&2;} - { (exit 1); exit 1; }; } ;; - esac -else - enable_tui=yes -fi; - -# Enable gdbtk. -# Check whether --enable-gdbtk or --disable-gdbtk was given. -if test "${enable_gdbtk+set}" = set; then - enableval="$enable_gdbtk" - case $enableval in - yes | no) - ;; - *) - { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-gdbtk" >&5 -echo "$as_me: error: bad value $enableval for --enable-gdbtk" >&2;} - { (exit 1); exit 1; }; } ;; - esac -else - if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then - enable_gdbtk=yes - else - enable_gdbtk=no - fi -fi; -# We unconditionally disable gdbtk tests on selected platforms. -case $host_os in - go32* | windows*) - { echo "$as_me:$LINENO: WARNING: gdbtk isn't supported on $host; disabling" >&5 -echo "$as_me: WARNING: gdbtk isn't supported on $host; disabling" >&2;} - enable_gdbtk=no ;; -esac - -# Libunwind support. -echo "$as_me:$LINENO: checking for ANSI C header files" >&5 + # We want all 64-bit targets if we either: + # - run on a 64-bit host or + # - already require 64-bit support for some other target or + # - the --enable-64-bit-bfd option was supplied + # Otherwise we only support all 32-bit targets. + # + # NOTE: This test must be in sync with the corresponding + # tests in BFD! + + if test x${want64} = xfalse; then + echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 @@ -3523,6 +3409,573 @@ fi done +echo "$as_me:$LINENO: checking for long" >&5 +echo $ECHO_N "checking for long... $ECHO_C" >&6 +if test "${ac_cv_type_long+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +if ((long *) 0) + return 0; +if (sizeof (long)) + return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_type_long=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_type_long=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_type_long" >&5 +echo "${ECHO_T}$ac_cv_type_long" >&6 + +echo "$as_me:$LINENO: checking size of long" >&5 +echo $ECHO_N "checking size of long... $ECHO_C" >&6 +if test "${ac_cv_sizeof_long+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test "$ac_cv_type_long" = yes; then + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (long))) >= 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_lo=0 ac_mid=0 + while :; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (long))) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_hi=$ac_mid; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo=`expr $ac_mid + 1` + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + ac_mid=`expr 2 '*' $ac_mid + 1` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (long))) < 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_hi=-1 ac_mid=-1 + while :; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (long))) >= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_lo=$ac_mid; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_hi=`expr '(' $ac_mid ')' - 1` + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + ac_mid=`expr 2 '*' $ac_mid` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo= ac_hi= +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo` + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (long))) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_hi=$ac_mid +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo=`expr '(' $ac_mid ')' + 1` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in +?*) ac_cv_sizeof_long=$ac_lo;; +'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (long), 77 +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute sizeof (long), 77 +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } ;; +esac +else + if test "$cross_compiling" = yes; then + { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run test program while cross compiling +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +long longval () { return (long) (sizeof (long)); } +unsigned long ulongval () { return (long) (sizeof (long)); } +#include <stdio.h> +#include <stdlib.h> +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + exit (1); + if (((long) (sizeof (long))) < 0) + { + long i = longval (); + if (i != ((long) (sizeof (long)))) + exit (1); + fprintf (f, "%ld\n", i); + } + else + { + unsigned long i = ulongval (); + if (i != ((long) (sizeof (long)))) + exit (1); + fprintf (f, "%lu\n", i); + } + exit (ferror (f) || fclose (f) != 0); + + ; + return 0; +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_sizeof_long=`cat conftest.val` +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +{ { echo "$as_me:$LINENO: error: cannot compute sizeof (long), 77 +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute sizeof (long), 77 +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +rm -f conftest.val +else + ac_cv_sizeof_long=0 +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_sizeof_long" >&5 +echo "${ECHO_T}$ac_cv_sizeof_long" >&6 +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG $ac_cv_sizeof_long +_ACEOF + + + if test "x${ac_cv_sizeof_long}" = "x8"; then + want64=true + fi + fi + if test x${want64} = xtrue; then + TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)' + else + TARGET_OBS='$(ALL_TARGET_OBS)' + fi +fi + + + +# For other settings, only the main target counts. +gdb_sim= +gdb_osabi= +build_gdbserver= +targ=$target; . ${srcdir}/configure.tgt + +# Fetch the default architecture and default target vector from BFD. +targ=$target; . $srcdir/../bfd/config.bfd + +# We only want the first architecture, so strip off the others if +# there is more than one. +targ_archs=`echo $targ_archs | sed 's/ .*//'` + +if test "x$targ_archs" != x; then + +cat >>confdefs.h <<_ACEOF +#define DEFAULT_BFD_ARCH $targ_archs +_ACEOF + +fi +if test "x$targ_defvec" != x; then + +cat >>confdefs.h <<_ACEOF +#define DEFAULT_BFD_VEC $targ_defvec +_ACEOF + +fi + +test "$program_prefix" != NONE && + program_transform_name="s,^,$program_prefix,;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s,\$,$program_suffix,;$program_transform_name" +# Double any \ or $. echo might interpret backslashes. +# By default was `s,x,x', remove it if useless. +cat <<\_ACEOF >conftest.sed +s/[\\$]/&&/g;s/;s,x,x,$// +_ACEOF +program_transform_name=`echo $program_transform_name | sed -f conftest.sed` +rm conftest.sed + + +# The CLI cannot be disabled yet, but may be in the future. + +# Enable CLI. +# Check whether --enable-gdbcli or --disable-gdbcli was given. +if test "${enable_gdbcli+set}" = set; then + enableval="$enable_gdbcli" + case $enableval in + yes) + ;; + no) + { { echo "$as_me:$LINENO: error: the command-line interface cannot be disabled yet" >&5 +echo "$as_me: error: the command-line interface cannot be disabled yet" >&2;} + { (exit 1); exit 1; }; } ;; + *) + { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-gdbcli" >&5 +echo "$as_me: error: bad value $enableval for --enable-gdbcli" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + enable_gdbcli=yes +fi; +if test x"$enable_gdbcli" = xyes; then + if test -d $srcdir/cli; then + CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)" + CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)" + CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)" + ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)" + fi +fi + +# Enable MI. +# Check whether --enable-gdbmi or --disable-gdbmi was given. +if test "${enable_gdbmi+set}" = set; then + enableval="$enable_gdbmi" + case $enableval in + yes | no) + ;; + *) + { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-gdbmi" >&5 +echo "$as_me: error: bad value $enableval for --enable-gdbmi" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + enable_gdbmi=yes +fi; +if test x"$enable_gdbmi" = xyes; then + if test -d $srcdir/mi; then + CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)" + CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)" + CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)" + ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)" + fi +fi + +# Enable TUI. +# Check whether --enable-tui or --disable-tui was given. +if test "${enable_tui+set}" = set; then + enableval="$enable_tui" + case $enableval in + yes | no) + ;; + *) + { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-tui" >&5 +echo "$as_me: error: bad value $enableval for --enable-tui" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + enable_tui=yes +fi; + +# Enable gdbtk. +# Check whether --enable-gdbtk or --disable-gdbtk was given. +if test "${enable_gdbtk+set}" = set; then + enableval="$enable_gdbtk" + case $enableval in + yes | no) + ;; + *) + { { echo "$as_me:$LINENO: error: bad value $enableval for --enable-gdbtk" >&5 +echo "$as_me: error: bad value $enableval for --enable-gdbtk" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then + enable_gdbtk=yes + else + enable_gdbtk=no + fi +fi; +# We unconditionally disable gdbtk tests on selected platforms. +case $host_os in + go32* | windows*) + { echo "$as_me:$LINENO: WARNING: gdbtk isn't supported on $host; disabling" >&5 +echo "$as_me: WARNING: gdbtk isn't supported on $host; disabling" >&2;} + enable_gdbtk=no ;; +esac + +# Libunwind support. # Check whether --with-libunwind or --without-libunwind was given. if test "${with_libunwind+set}" = set; then diff --git a/gdb/configure.ac b/gdb/configure.ac index 0f1a3d8..107fdd6 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -101,6 +101,15 @@ AC_ARG_ENABLE(targets, *) enable_targets=$enableval ;; esac]) +# Check whether to enable 64-bit support on 32-bit hosts +AC_ARG_ENABLE(64-bit-bfd, +[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)], +[case "${enableval}" in + yes) want64=true ;; + no) want64=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;; +esac],[want64=false])dnl + # Provide defaults for some variables set by the per-host and per-target # configuration. gdb_host_obs=posix-hdep.o @@ -142,11 +151,36 @@ do ;; esac done + + # Check whether this target needs 64-bit CORE_ADDR + if test x${want64} = xfalse; then + . ${srcdir}/../bfd/config.bfd + fi fi done if test x${all_targets} = xtrue; then - TARGET_OBS='$(ALL_TARGET_OBS)' + + # We want all 64-bit targets if we either: + # - run on a 64-bit host or + # - already require 64-bit support for some other target or + # - the --enable-64-bit-bfd option was supplied + # Otherwise we only support all 32-bit targets. + # + # NOTE: This test must be in sync with the corresponding + # tests in BFD! + + if test x${want64} = xfalse; then + AC_CHECK_SIZEOF(long) + if test "x${ac_cv_sizeof_long}" = "x8"; then + want64=true + fi + fi + if test x${want64} = xtrue; then + TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)' + else + TARGET_OBS='$(ALL_TARGET_OBS)' + fi fi AC_SUBST(TARGET_OBS) diff --git a/gdb/i386-cygwin-tdep.c b/gdb/i386-cygwin-tdep.c index b311194..b79ec4a 100644 --- a/gdb/i386-cygwin-tdep.c +++ b/gdb/i386-cygwin-tdep.c @@ -252,9 +252,15 @@ i386_cygwin_osabi_sniffer (bfd *abfd) if (strcmp (target_name, "pei-i386") == 0) return GDB_OSABI_CYGWIN; - /* Cygwin uses elf core dumps. */ + /* Cygwin uses elf core dumps. Do not claim all ELF executables, + check whether there is a .reg section of proper size. */ if (strcmp (target_name, "elf32-i386") == 0) - return GDB_OSABI_CYGWIN; + { + asection *section = bfd_get_section_by_name (abfd, ".reg"); + if (section + && bfd_section_size (abfd, section) == I386_WIN32_SIZEOF_GREGSET) + return GDB_OSABI_CYGWIN; + } return GDB_OSABI_UNKNOWN; } |