diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/elf/configure')
| -rw-r--r-- | sysdeps/sparc/sparc64/elf/configure | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/elf/configure b/sysdeps/sparc/sparc64/elf/configure new file mode 100644 index 0000000000..46181524c7 --- /dev/null +++ b/sysdeps/sparc/sparc64/elf/configure @@ -0,0 +1,90 @@ +# This file is generated from configure.in by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/sparc/sparc64/elf. + +if test "$usetls" != no; then +# Check for support of thread-local storage handling in assembler and linker. +echo "$as_me:$LINENO: checking for sparc64 TLS support" >&5 +echo $ECHO_N "checking for sparc64 TLS support... $ECHO_C" >&6 +if test "${libc_cv_sparc64_tls+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.s <<\EOF + .section ".tdata", "awT", @progbits + .globl foo +foo: .word 1 + .section ".tbss", "awT", @nobits + .globl bar +bar: .skip 4 + .text + .globl main +main: sethi %tgd_hi22(foo), %l1 + add %l1, %tgd_lo10(foo), %l1 + add %l7, %l1, %o0, %tgd_add(foo) + call __tls_get_addr, %tgd_call(foo) + sethi %tldm_hi22(bar), %l1 + add %l1, %tldm_lo10(bar), %l1 + add %l7, %l1, %o0, %tldm_add(bar) + call __tls_get_addr, %tldm_call(bar) + sethi %tldo_hix22(bar), %l1 + xor %l1, %tldo_lox10(bar), %l1 + add %o0, %l1, %l1, %tldo_add(bar) + sethi %tie_hi22(foo), %l1 + add %l1, %tie_lo10(foo), %l1 + ldx [%l7 + %l1], %l1, %tie_ldx(foo) + add %g7, %l1, %l1, %tie_add(foo) + sethi %tle_hix22(foo), %l1 + xor %l1, %tle_lox10(foo), %l1 +EOF +if { ac_try='${CC-cc} -o conftest.bin $CFLAGS conftest.s 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + libc_cv_sparc64_tls=yes +else + libc_cv_sparc64_tls=no +fi +rm -f conftest* +fi +echo "$as_me:$LINENO: result: $libc_cv_sparc64_tls" >&5 +echo "${ECHO_T}$libc_cv_sparc64_tls" >&6 +if test $libc_cv_sparc64_tls = yes; then + cat >>confdefs.h <<\_ACEOF +#define HAVE_TLS_SUPPORT 1 +_ACEOF + +fi +fi + +# Check for broken WDISP22 in the linker. +echo "$as_me:$LINENO: checking for sparc64 ld WDISP22 handling" >&5 +echo $ECHO_N "checking for sparc64 ld WDISP22 handling... $ECHO_C" >&6 +if test "${libc_cv_sparc64_wdisp22+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + echo 'bne foo; nop' > conftest1.s +echo '.globl foo; .hidden foo; foo: nop' > conftest2.s +libc_cv_sparc64_wdisp22=unknown +if { ac_try='${CC-cc} -nostdlib -shared $CFLAGS conftest1.s conftest2.s -o conftest.so 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + if readelf -r conftest.so | grep -q R_SPARC_WDISP22; then + libc_cv_sparc64_wdisp22=broken + else + libc_cv_sparc64_wdisp22=ok + fi +fi +rm -f conftest* +fi +echo "$as_me:$LINENO: result: $libc_cv_sparc64_wdisp22" >&5 +echo "${ECHO_T}$libc_cv_sparc64_wdisp22" >&6 +if test $libc_cv_sparc64_wdisp22 != ok; then + cat >>confdefs.h <<\_ACEOF +#define BROKEN_SPARC_WDISP22 1 +_ACEOF + +fi |