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-rw-r--r--sysdeps/sparc/sparc64/elf/configure90
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