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| author | Alan Modra <amodra@gmail.com> | 2020-08-27 21:44:41 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2020-08-27 22:05:00 +0930 |
| commit | 4b69ce9b9121090ac42cf8fa20b949bbd9afff95 (patch) | |
| tree | 196408e74cea24562bea850fc2ff4a8c6850e383 /bfd/configure | |
| parent | 6fbd4a8e8baa7fe5adcaa1c11c885f741fccd250 (diff) | |
| download | gdb-4b69ce9b9121090ac42cf8fa20b949bbd9afff95.zip gdb-4b69ce9b9121090ac42cf8fa20b949bbd9afff95.tar.gz gdb-4b69ce9b9121090ac42cf8fa20b949bbd9afff95.tar.bz2 | |
PR26469 UBSAN: elflink.c:8742 shift exponent 6148914691236511722
PR 26469
* elflink.c: Include limits.h.
(CHAR_BIT): Provide fallback define.
(set_symbol_value): Correct complex reloc comment.
(undefined_reference): Set bfd_error.
(BINARY_OP_HEAD, BINARY_OP_TAIL): Split out from..
(BINARY_OP): ..this.
(eval_symbol): Limit shifts. Force unsigned for left shift.
Catch divide by zero.
* configure.ac (AC_CHECK_HEADERS): Combine, sort and add limits.h.
* configure: Regenerate.
* config.in: Regenerate.
Diffstat (limited to 'bfd/configure')
| -rwxr-xr-x | bfd/configure | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/bfd/configure b/bfd/configure index ece1656..a9c4fd9 100755 --- a/bfd/configure +++ b/bfd/configure @@ -13531,20 +13531,9 @@ $as_echo "$bfd_cv_build_exeext" >&6; } fi -for ac_header in alloca.h stddef.h string.h strings.h stdlib.h time.h unistd.h wchar.h wctype.h -do : - as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` -ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" -if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : - cat >>confdefs.h <<_ACEOF -#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 -_ACEOF - -fi - -done - -for ac_header in fcntl.h sys/file.h sys/time.h sys/stat.h sys/resource.h +for ac_header in alloca.h fcntl.h limits.h stddef.h stdlib.h string.h \ + strings.h sys/file.h sys/resource.h sys/stat.h sys/time.h \ + time.h unistd.h wchar.h wctype.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" |