diff options
Diffstat (limited to 'sysdeps/sparc/configure')
| -rw-r--r-- | sysdeps/sparc/configure | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/sysdeps/sparc/configure b/sysdeps/sparc/configure index 9ce761b3b8..13d9c63b9d 100644 --- a/sysdeps/sparc/configure +++ b/sysdeps/sparc/configure @@ -122,3 +122,96 @@ if test $libc_cv_sparc_as_vis3 = yes; then $as_echo "#define HAVE_AS_VIS3_SUPPORT 1" >>confdefs.h fi + +# Check for support of thread-local storage handling in assembler and linker. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sparc TLS support" >&5 +$as_echo_n "checking for sparc TLS support... " >&6; } +if ${libc_cv_sparc_tls+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.S <<\EOF + .section ".tdata", "awT", @progbits + .globl foo +foo: .word 1 + .section ".tbss", "awT", @nobits + .globl bar +bar: .skip 4 + .text +baz: sethi %tgd_hi22(foo), %l1 + add %l1, %tgd_lo10(foo), %l1 + add %l7, %l1, %o0, %tgd_add(foo) + call __tls_get_addr, %tgd_call(foo) + sethi %tldm_hi22(bar), %l1 + add %l1, %tldm_lo10(bar), %l1 + add %l7, %l1, %o0, %tldm_add(bar) + call __tls_get_addr, %tldm_call(bar) + sethi %tldo_hix22(bar), %l1 + xor %l1, %tldo_lox10(bar), %l1 + add %o0, %l1, %l1, %tldo_add(bar) + sethi %tie_hi22(foo), %l1 + add %l1, %tie_lo10(foo), %l1 +#ifdef __arch64__ + ldx [%l7 + %l1], %l1, %tie_ldx(foo) +#else + ld [%l7 + %l1], %l1, %tie_ld(foo) +#endif + add %g7, %l1, %l1, %tie_add(foo) + sethi %tle_hix22(foo), %l1 + xor %l1, %tle_lox10(foo), %l1 +EOF +if { ac_try='${CC-cc} -c $CFLAGS conftest.S 1>&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + libc_cv_sparc_tls=yes +else + libc_cv_sparc_tls=no +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sparc_tls" >&5 +$as_echo "$libc_cv_sparc_tls" >&6; } +if test $libc_cv_sparc_tls = no; then + as_fn_error $? "the assembler must support TLS" "$LINENO" 5 +fi + +# Check for a GCC emitting GOTDATA relocations. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sparc gcc GOTDATA reloc support" >&5 +$as_echo_n "checking for sparc gcc GOTDATA reloc support... " >&6; } +if ${libc_cv_sparc_gcc_gotdata+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <<\EOF +int data; +int foo(void) +{ + return data; +} +EOF +libc_cv_sparc_gcc_gotdata=no +if { ac_try='${CC-cc} -S $CFLAGS -O2 -fPIC conftest.c 1>&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + if grep -q 'gdop_hix22' conftest.s \ + && grep -q 'gdop_lox10' conftest.s; then + libc_cv_sparc_gcc_gotdata=yes + fi +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sparc_gcc_gotdata" >&5 +$as_echo "$libc_cv_sparc_gcc_gotdata" >&6; } +if test $libc_cv_sparc_gcc_gotdata = yes; then + $as_echo "#define HAVE_GCC_GOTDATA 1" >>confdefs.h + +fi + +if test $libc_cv_sparc_gcc_gotdata = yes; then + $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h + +fi |