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