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53362a4b0f
* sysdeps/sparc/crti.S: Remove HAVE_BINUTILS_GOTDATA checks. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/sparc/sparc32/elf/start.S: Likewise. * sysdeps/sparc/sparc32/fpu/w_sqrt.S: Likewise. * sysdeps/sparc/sparc32/fpu/w_sqrtf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrt.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrtf.S: Likewise. * sysdeps/sparc/sparc64/dl-machine.h: Likewise. * sysdeps/sparc/sparc64/elf/start.S: Likewise. * sysdeps/sparc/sparc64/fpu/w_sqrt.S: Likewise. * sysdeps/sparc/sparc64/fpu/w_sqrtf.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/____longjmp_chk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/____longjmp_chk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise. * config.h.in (HAVE_BINUTILS_GOTDATA): Delete. * sysdeps/sparc/elf/configure.in: Remove binutils GOTDATA checks. * sysdeps/sparc/elf/configure: Regenerated.
76 lines
1.9 KiB
Plaintext
76 lines
1.9 KiB
Plaintext
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/sparc/elf.
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# Check for support of thread-local storage handling in assembler and linker.
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AC_CACHE_CHECK(for sparc TLS support, libc_cv_sparc_tls, [dnl
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changequote(,)dnl
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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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baz: 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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#ifdef __arch64__
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ldx [%l7 + %l1], %l1, %tie_ldx(foo)
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#else
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ld [%l7 + %l1], %l1, %tie_ld(foo)
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#endif
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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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changequote([,])dnl
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dnl
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if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
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libc_cv_sparc_tls=yes
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else
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libc_cv_sparc_tls=no
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fi
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rm -f conftest*])
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if test $libc_cv_sparc_tls = no; then
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AC_MSG_ERROR([the assembler must support TLS])
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fi
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# Check for a GCC emitting GOTDATA relocations.
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AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl
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changequote(,)dnl
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cat > conftest.c <<\EOF
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int data;
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int foo(void)
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{
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return data;
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}
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EOF
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changequote([,])dnl
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dnl
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libc_cv_sparc_gcc_gotdata=no
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if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fPIC conftest.c 1>&AS_MESSAGE_LOG_FD); then
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if grep -q 'gdop_hix22' conftest.s \
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&& grep -q 'gdop_lox10' conftest.s; then
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libc_cv_sparc_gcc_gotdata=yes
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fi
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fi
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rm -f conftest*])
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if test $libc_cv_sparc_gcc_gotdata = yes; then
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AC_DEFINE(HAVE_GCC_GOTDATA)
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fi
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if test $libc_cv_sparc_gcc_gotdata = yes; then
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AC_DEFINE(PI_STATIC_AND_HIDDEN)
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fi
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