diff options
Diffstat (limited to 'sysdeps/ia64')
| -rw-r--r-- | sysdeps/ia64/elf/configure | 44 | ||||
| -rw-r--r-- | sysdeps/ia64/elf/configure.in | 30 |
2 files changed, 74 insertions, 0 deletions
diff --git a/sysdeps/ia64/elf/configure b/sysdeps/ia64/elf/configure index 6e92527769..30f4850678 100644 --- a/sysdeps/ia64/elf/configure +++ b/sysdeps/ia64/elf/configure @@ -1,6 +1,50 @@ # This file is generated from configure.in by Autoconf. DO NOT EDIT! # Local configure fragment for sysdeps/ia64/elf. +if test "$usetls" != no; then +# Check for support of thread-local storage handling in assembler and +# linker. +echo "$as_me:$LINENO: checking for ia64 TLS support" >&5 +echo $ECHO_N "checking for ia64 TLS support... $ECHO_C" >&6 +if test "${libc_cv_ia64_tls+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.s <<\EOF + .section ".tdata","awT",@progbits +foo: data8 25 + .text + addl r16 = @ltoff(@dtpmod(foo#)), gp + addl r17 = @ltoff(@dtprel(foo#)), gp + addl r18 = @ltoff(@tprel(foo#)), gp + addl r19 = @dtprel(foo#), gp + adds r21 = @dtprel(foo#), r13 + movl r23 = @dtprel(foo#) + addl r20 = @tprel(foo#), gp + adds r22 = @tprel(foo#), r13 + movl r24 = @tprel(foo#) +EOF +if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + libc_cv_ia64_tls=yes +else + libc_cv_ia64_tls=no +fi +rm -f conftest* +fi +echo "$as_me:$LINENO: result: $libc_cv_ia64_tls" >&5 +echo "${ECHO_T}$libc_cv_ia64_tls" >&6 +if test $libc_cv_ia64_tls = yes; then + cat >>confdefs.h <<\_ACEOF +#define HAVE_TLS_SUPPORT 1 +_ACEOF + +fi +fi + cat >>confdefs.h <<\_ACEOF #define PI_STATIC_AND_HIDDEN 1 _ACEOF diff --git a/sysdeps/ia64/elf/configure.in b/sysdeps/ia64/elf/configure.in index d25d85bf5d..b113579ee0 100644 --- a/sysdeps/ia64/elf/configure.in +++ b/sysdeps/ia64/elf/configure.in @@ -1,6 +1,36 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. # Local configure fragment for sysdeps/ia64/elf. +if test "$usetls" != no; then +# Check for support of thread-local storage handling in assembler and +# linker. +AC_CACHE_CHECK(for ia64 TLS support, libc_cv_ia64_tls, [dnl +cat > conftest.s <<\EOF + .section ".tdata","awT",@progbits +foo: data8 25 + .text + addl r16 = @ltoff(@dtpmod(foo#)), gp + addl r17 = @ltoff(@dtprel(foo#)), gp + addl r18 = @ltoff(@tprel(foo#)), gp + addl r19 = @dtprel(foo#), gp + adds r21 = @dtprel(foo#), r13 + movl r23 = @dtprel(foo#) + addl r20 = @tprel(foo#), gp + adds r22 = @tprel(foo#), r13 + movl r24 = @tprel(foo#) +EOF +dnl +if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then + libc_cv_ia64_tls=yes +else + libc_cv_ia64_tls=no +fi +rm -f conftest*]) +if test $libc_cv_ia64_tls = yes; then + AC_DEFINE(HAVE_TLS_SUPPORT) +fi +fi + dnl It is always possible to access static and hidden symbols in an dnl position independent way. AC_DEFINE(PI_STATIC_AND_HIDDEN) |