GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. # Local configure fragment for sysdeps/hppa/elf. if test "$usetls" != no; then # Check for support of thread-local storage handling in assembler and # linker. AC_CACHE_CHECK(for hppa TLS support, libc_cv_hppa_tls, [dnl cat > conftest.s <<\EOF ; Setup tls data .section ".tdata","awT",@progbits foo: .data 32 .text ; Test general dyanmic relocations test0: addil LT'foo-$tls_gdidx$, %r19 ldo RT'foo-$tls_gdidx$(%r1), %r26 b __tls_get_addr nop ; Test local dynamic relocations test1: addil LT'foo-$tls_ldidx$, %r19 b __tls_get_addr ldo RT'foo-$tls_ldidx$(%r1), %r26 ldo RR'foo-$tls_dtpoff$(%r1), %r25 ; More variables can be loaded... ; Test initial exec reloctiosn test2: mfctl %cr27, %r26 addil LT'foo-$tls_ieoff$, %r19 ldw RT'foo-$tls_ieoff$(%r1), %r25 add %r26, %r25, %r24 ; Test local exec relocations test3: mfctl %cr27, %r26 addil LR'foo-$tls_leoff$, %r26 ldo RR'foo-$tls_leoff$(%r1), %r25 ; Done all the TLS tests. EOF dnl if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then libc_cv_hppa_tls=yes else libc_cv_hppa_tls=no fi rm -f conftest*]) if test $libc_cv_hppa_tls = yes; then AC_DEFINE(HAVE_TLS_SUPPORT) fi fi