blob: 396b9c49cf060d827ed4365ef927de8df5a75e60 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/ia64/elf.
# 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 = no; then
AC_MSG_ERROR([the assembler must support TLS])
fi
dnl It is always possible to access static and hidden symbols in an
dnl position independent way.
AC_DEFINE(PI_STATIC_AND_HIDDEN)
|
