mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
8cd23080c4
* sysdeps/sparc/elf/configure.in: Moved to ... * sysdeps/sparc/configure.in: ... here. * sysdeps/sparc/elf/configure: Delete file. * sysdeps/sparc/sparc32/elf/start.S: Moved to ... * sysdeps/sparc/sparc32/start.S: ... here. * sysdeps/sparc/sparc64/elf/start.S: Moved to ... * sysdeps/sparc/sparc64/start.S: ... here. * sysdeps/sparc/sparc32/elf/Makefile: Merged into ... * sysdeps/sparc/sparc32/Makefile: ... this. * sysdeps/sparc/sparc64/elf/Makefile: Merged into ... * sysdeps/sparc/sparc64/Makefile: ... this.
104 lines
2.6 KiB
Plaintext
104 lines
2.6 KiB
Plaintext
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
|
# Local configure fragment for sysdeps/sparc.
|
|
|
|
# Check for support of VIS3 et al. instructions in the assembler.
|
|
AC_CACHE_CHECK(for sparc assembler VIS3 support, libc_cv_sparc_as_vis3, [dnl
|
|
cat > conftest.S <<\EOF
|
|
.text
|
|
foo: fmadds %f1, %f2, %f3, %f5
|
|
fmaddd %f2, %f4, %f8, %f10
|
|
fhadds %f2, %f3, %f5
|
|
fhaddd %f4, %f8, %f10
|
|
pdistn %f2, %f4, %g1
|
|
movdtox %f10, %o0
|
|
movstouw %f9, %o1
|
|
movstosw %f7, %o2
|
|
movxtod %o3, %f18
|
|
movwtos %o4, %f15
|
|
flcmps %fcc0, %f3, %f5
|
|
flcmpd %fcc1, %f4, %f6
|
|
EOF
|
|
dnl
|
|
if AC_TRY_COMMAND([${CC-cc} -c $CFLAGS -Wa,-Av9d conftest.S]); then
|
|
libc_cv_sparc_as_vis3=yes
|
|
else
|
|
libc_cv_sparc_as_vis3=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_sparc_as_vis3 = yes; then
|
|
AC_DEFINE(HAVE_AS_VIS3_SUPPORT)
|
|
fi
|
|
|
|
# Check for support of thread-local storage handling in assembler and linker.
|
|
AC_CACHE_CHECK(for sparc TLS support, libc_cv_sparc_tls, [dnl
|
|
changequote(,)dnl
|
|
cat > conftest.S <<\EOF
|
|
.section ".tdata", "awT", @progbits
|
|
.globl foo
|
|
foo: .word 1
|
|
.section ".tbss", "awT", @nobits
|
|
.globl bar
|
|
bar: .skip 4
|
|
.text
|
|
baz: sethi %tgd_hi22(foo), %l1
|
|
add %l1, %tgd_lo10(foo), %l1
|
|
add %l7, %l1, %o0, %tgd_add(foo)
|
|
call __tls_get_addr, %tgd_call(foo)
|
|
sethi %tldm_hi22(bar), %l1
|
|
add %l1, %tldm_lo10(bar), %l1
|
|
add %l7, %l1, %o0, %tldm_add(bar)
|
|
call __tls_get_addr, %tldm_call(bar)
|
|
sethi %tldo_hix22(bar), %l1
|
|
xor %l1, %tldo_lox10(bar), %l1
|
|
add %o0, %l1, %l1, %tldo_add(bar)
|
|
sethi %tie_hi22(foo), %l1
|
|
add %l1, %tie_lo10(foo), %l1
|
|
#ifdef __arch64__
|
|
ldx [%l7 + %l1], %l1, %tie_ldx(foo)
|
|
#else
|
|
ld [%l7 + %l1], %l1, %tie_ld(foo)
|
|
#endif
|
|
add %g7, %l1, %l1, %tie_add(foo)
|
|
sethi %tle_hix22(foo), %l1
|
|
xor %l1, %tle_lox10(foo), %l1
|
|
EOF
|
|
changequote([,])dnl
|
|
dnl
|
|
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
|
|
libc_cv_sparc_tls=yes
|
|
else
|
|
libc_cv_sparc_tls=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_sparc_tls = no; then
|
|
AC_MSG_ERROR([the assembler must support TLS])
|
|
fi
|
|
|
|
# Check for a GCC emitting GOTDATA relocations.
|
|
AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl
|
|
changequote(,)dnl
|
|
cat > conftest.c <<\EOF
|
|
int data;
|
|
int foo(void)
|
|
{
|
|
return data;
|
|
}
|
|
EOF
|
|
changequote([,])dnl
|
|
dnl
|
|
libc_cv_sparc_gcc_gotdata=no
|
|
if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fPIC conftest.c 1>&AS_MESSAGE_LOG_FD); then
|
|
if grep -q 'gdop_hix22' conftest.s \
|
|
&& grep -q 'gdop_lox10' conftest.s; then
|
|
libc_cv_sparc_gcc_gotdata=yes
|
|
fi
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_sparc_gcc_gotdata = yes; then
|
|
AC_DEFINE(HAVE_GCC_GOTDATA)
|
|
fi
|
|
|
|
if test $libc_cv_sparc_gcc_gotdata = yes; then
|
|
AC_DEFINE(PI_STATIC_AND_HIDDEN)
|
|
fi
|