diff options
Diffstat (limited to 'sysdeps/alpha/elf/configure')
| -rwxr-xr-x | sysdeps/alpha/elf/configure | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/alpha/elf/configure b/sysdeps/alpha/elf/configure new file mode 100755 index 0000000000..3346b8e48d --- /dev/null +++ b/sysdeps/alpha/elf/configure @@ -0,0 +1,60 @@ + # Local configure fragment for sysdeps/alpha/elf. + +if test "$usetls" != no; then +# Check for support of thread-local storage handling in assembler and +# linker. +echo $ac_n "checking for Alpha TLS support""... $ac_c" 1>&6 +echo "configure:8: checking for Alpha TLS support" >&5 +if eval "test \"`echo '$''{'libc_cv_alpha_tls'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.s <<\EOF + .section ".tdata", "awT", @progbits + .globl foo +foo: .quad 1 + .section ".tbss", "awT", @nobits + .globl bar +bar: .skip 8 + .text +baz: + .set nomacro + ldq $27, __tls_get_addr($29) !literal!1 + ldq $16, a($29) !tlsgd!1 + jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1 + + jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2 + ldq $27, __tls_get_addr($29) !literal!2 + ldq $16, b($29) !tlsldm!2 + + ldq $16, c($29) !tlsgd + ldq $16, d($29) !tlsldm + + ldq $16, e($29) !tlsgd!3 + ldq $16, f($29) !tlsldm!4 + + ldq $16, g($29) !gotdtprel + ldah $16, h($31) !dtprelhi + lda $16, i($16) !dtprello + lda $16, j($31) !dtprel + + ldq $16, k($29) !gottprel + ldah $16, l($31) !tprelhi + lda $16, m($16) !tprello + lda $16, n($31) !tprel +EOF +if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:46: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then + libc_cv_alpha_tls=yes +else + libc_cv_alpha_tls=no +fi +rm -f conftest* +fi + +echo "$ac_t""$libc_cv_alpha_tls" 1>&6 +if test $libc_cv_alpha_tls = yes; then + cat >> confdefs.h <<\EOF +#define HAVE_TLS_SUPPORT 1 +EOF + +fi +fi |