GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. # Local configure fragment for sysdeps/powerpc64/elf. if test "$usetls" != no; then # Check for support of thread-local storage handling in assembler and # linker. AC_CACHE_CHECK(for powerpc64 TLS support, libc_cv_powerpc64_tls, [dnl cat > conftest.s <<\EOF .section ".tdata","awT",@progbits x: .quad 1 x1: .quad 1 x2: .quad 1 x3: .quad 1 x4: .long 1 .section ".toc","aw" .LC0: .quad x@dtpmod .quad x@dtprel .LC1: .quad x1@dtpmod .quad 0 .LC2: .quad x@tprel .text addi 3,2,x@got@tlsgd addi 3,2,.LC0@toc addi 3,2,x1@got@tlsld addi 9,3,x1@dtprel addis 9,3,x2@dtprel@ha addi 9,9,x2@dtprel@l ld 9,x3@got@dtprel(2) addi 3,2,.LC0@toc lwz 0,x1@dtprel(3) ld 0,x1@dtprel(3) addis 9,3,x2@dtprel@ha lwz 0,x2@dtprel@l(9) ld 0,x2@dtprel@l(9) ld 9,x3@got@dtprel(2) ld 9,x@got@tprel(2) add 9,9,x@tls ld 9,.LC2@toc(2) add 9,9,.LC2@tls addi 9,13,x1@tprel addis 9,13,x2@tprel@ha addi 9,9,x2@tprel@l EOF dnl if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then libc_cv_powerpc64_tls=yes else libc_cv_powerpc64_tls=no fi rm -f conftest*]) if test $libc_cv_powerpc64_tls = yes; then AC_DEFINE(HAVE_TLS_SUPPORT) fi fi