1 # This file is generated from configure.in by Autoconf. DO NOT EDIT!
2 # Local configure fragment for sysdeps/sparc/sparc64/elf.
4 if test "$usetls" != no; then
5 # Check for support of thread-local storage handling in assembler and linker.
6 echo "$as_me:$LINENO: checking for sparc64 TLS support" >&5
7 echo $ECHO_N "checking for sparc64 TLS support... $ECHO_C" >&6
8 if test "${libc_cv_sparc64_tls+set}" = set; then
9 echo $ECHO_N "(cached) $ECHO_C" >&6
11 cat > conftest.s <<\EOF
12 .section ".tdata", "awT", @progbits
15 .section ".tbss", "awT", @nobits
20 main: sethi %tgd_hi22(foo), %l1
21 add %l1, %tgd_lo10(foo), %l1
22 add %l7, %l1, %o0, %tgd_add(foo)
23 call __tls_get_addr, %tgd_call(foo)
24 sethi %tldm_hi22(bar), %l1
25 add %l1, %tldm_lo10(bar), %l1
26 add %l7, %l1, %o0, %tldm_add(bar)
27 call __tls_get_addr, %tldm_call(bar)
28 sethi %tldo_hix22(bar), %l1
29 xor %l1, %tldo_lox10(bar), %l1
30 add %o0, %l1, %l1, %tldo_add(bar)
31 sethi %tie_hi22(foo), %l1
32 add %l1, %tie_lo10(foo), %l1
33 ldx [%l7 + %l1], %l1, %tie_ldx(foo)
34 add %g7, %l1, %l1, %tie_add(foo)
35 sethi %tle_hix22(foo), %l1
36 xor %l1, %tle_lox10(foo), %l1
38 if { ac_try='${CC-cc} -o conftest.bin $CFLAGS conftest.s 1>&5'
39 { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
42 echo "$as_me:$LINENO: \$? = $ac_status" >&5
43 (exit $ac_status); }; }; then
44 libc_cv_sparc64_tls=yes
46 libc_cv_sparc64_tls=no
50 echo "$as_me:$LINENO: result: $libc_cv_sparc64_tls" >&5
51 echo "${ECHO_T}$libc_cv_sparc64_tls" >&6
52 if test $libc_cv_sparc64_tls = yes; then
53 cat >>confdefs.h <<\_ACEOF
54 #define HAVE_TLS_SUPPORT 1
60 # Check for broken WDISP22 in the linker.
61 echo "$as_me:$LINENO: checking for sparc64 ld WDISP22 handling" >&5
62 echo $ECHO_N "checking for sparc64 ld WDISP22 handling... $ECHO_C" >&6
63 if test "${libc_cv_sparc64_wdisp22+set}" = set; then
64 echo $ECHO_N "(cached) $ECHO_C" >&6
66 echo 'bne foo; nop' > conftest1.s
67 echo '.globl foo; .hidden foo; foo: nop' > conftest2.s
68 libc_cv_sparc64_wdisp22=unknown
69 if { ac_try='${CC-cc} -nostdlib -shared $CFLAGS conftest1.s conftest2.s -o conftest.so 1>&5'
70 { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
73 echo "$as_me:$LINENO: \$? = $ac_status" >&5
74 (exit $ac_status); }; }; then
75 if readelf -r conftest.so | grep -q R_SPARC_WDISP22; then
76 libc_cv_sparc64_wdisp22=broken
78 libc_cv_sparc64_wdisp22=ok
83 echo "$as_me:$LINENO: result: $libc_cv_sparc64_wdisp22" >&5
84 echo "${ECHO_T}$libc_cv_sparc64_wdisp22" >&6
85 if test $libc_cv_sparc64_wdisp22 != ok; then
86 cat >>confdefs.h <<\_ACEOF
87 #define BROKEN_SPARC_WDISP22 1