elfvsb.exp

GNU binutils是GNU交叉工具链中的一个源码包

	    visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o xcoff
	} else {
	    # SunOS non PIC shared libraries don't permit some cases of
	    # overriding.
	    if { [ string match $visibility "protected" ]
		 || [ string match $visibility "protected_undef_def" ] } {
		if [ string match $support_protected "no" ] {
		    setup_xfail $target_triplet
		}
	    } else {
		setup_xfail "*-*-sunos4*"
	    }

	    # Non-pic code uses name binding rules for applications to
	    # reference variables by gp-relative relocs, which can't be
	    # used with overridable symbols.
	    if { ![ string match $visibility "hidden_undef" ]
		 && ![ string match $visibility "protected_undef" ] } {
		setup_xfail "ia64-*-linux*"
		setup_xfail "alpha*-*-linux*"
	    }
	    if { ![ string match $visibility "hidden" ]
		 && ![ string match $visibility "hidden_undef" ]
		 && ![ string match $visibility "hidden_undef_def" ]
		 && ![ string match $visibility "protected_undef" ] } {
		setup_xfail "s390x-*-linux*"
		if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
		    setup_xfail "sparc*-*-linux*"
		}
	    }
	    setup_xfail "x86_64-*-linux*"
	    if { ![istarget hppa*64*-*-linux*] } {
		setup_xfail "hppa*-*-linux*"
	    }

	    visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb

	    # Test ELF shared library relocations with a non-zero load
	    # address for the library.  Near as I can tell, the R_*_RELATIVE
	    # relocations for various targets are broken in the case where
	    # the load address is not zero (which is the default).
	    if { [ string match $visibility "protected" ]
		 || [ string match $visibility "protected_undef_def" ] } {
		if [ string match $support_protected "no" ] {
		    setup_xfail $target_triplet
		}
	    } else {
		setup_xfail "*-*-sunos4*"
		setup_xfail "*-*-linux*libc1"
	    }
	    if { [ string match $visibility "hidden_normal" ]
		 || [ string match $visibility "hidden_weak" ]
		 || [ string match $visibility "protected" ]
		 || [ string match $visibility "protected_undef_def" ]
		 || [ string match $visibility "protected_weak" ]
		 || [ string match $visibility "normal" ] } {
		setup_xfail "powerpc-*-linux*"
		setup_xfail "s390x-*-linux*"
		if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
		    setup_xfail "sparc*-*-linux*"
		}
	    }
	    if { ![ string match $visibility "hidden_undef" ]
		 && ![ string match $visibility "protected_undef" ] } {
		setup_xfail "ia64-*-linux*"
		setup_xfail "alpha*-*-linux*"
		setup_xfail "mips*-*-linux*"
	    }
	    setup_xfail "x86_64-*-linux*"
	    if { ![istarget hppa*64*-*-linux*] } {
		setup_xfail "hppa*-*-linux*"
	    }

	    visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
		mainnp.o sh1np.o sh2np.o elfvsb \
		"-T $srcdir/$subdir/elf-offset.ld"
	} }

	# Now compile the code using -fpic.

	if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o] 
	    || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
	    unresolved "visibility ($visibility)"
	} else {
	    if { [ string match $visibility "protected" ]
		 || [ string match $visibility "protected_undef_def" ] } {
		if [ string match $support_protected "no" ] {
		    setup_xfail $target_triplet
		}
	    }
	    # SunOS can not compare function pointers correctly
	    if [istarget "*-*-sunos4*"] {
		visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
	    } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
		visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
	    } else {
		visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
	    } }
	}
    }

    # Now do the same tests again, but this time compile main.c PIC.
    if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
	unresolved "visibility ($visibility) (PIC main, non PIC so)"
	unresolved "visibility ($visibility) (PIC main)"
    } else {
	if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
	    if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
		visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
	    } else {
		# SunOS non PIC shared libraries don't permit some cases of
		# overriding.
		if { [ string match $visibility "protected" ]
		     || [ string match $visibility "protected_undef_def" ] } {
		    if [ string match $support_protected "no" ] {
			setup_xfail $target_triplet
		    }
		} else {
		    setup_xfail "*-*-sunos4*"
		}
		if { ![ string match $visibility "hidden_undef" ]
		     && ![ string match $visibility "protected_undef" ] } {
		    setup_xfail "ia64-*-linux*"
		    setup_xfail "alpha*-*-linux*"
		}
		if { ![ string match $visibility "hidden" ]
		     && ![ string match $visibility "hidden_undef" ]
		     && ![ string match $visibility "hidden_undef_def" ]
		     && ![ string match $visibility "protected_undef" ] } {
		    setup_xfail "s390x-*-linux*"
		    if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
			setup_xfail "sparc*-*-linux*"
		    }
		}
		setup_xfail "x86_64-*-linux*"
		if { ![istarget hppa*64*-*-linux*] } {
		    setup_xfail "hppa*-*-linux*"
		}

		visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
	    }
	} else {
	    unresolved "visibility (PIC main, non PIC so)"
	}

	if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
	    if { [ string match $visibility "protected" ]
		 || [ string match $visibility "protected_undef_def" ] } {
		if [ string match $support_protected "no" ] {
		    setup_xfail $target_triplet
		}
	    }
	    if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
		visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
	    } else {
		visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
	    }
	} else {
	    unresolved "visibility ($visibility) (PIC main)"
	}
    }
}

if [istarget mips*-*-*] {
    set picflag ""
} else {
    # Unfortunately, the gcc argument is -fpic and the cc argument is
    # -KPIC.  We have to try both.
    set picflag "-fpic"
    send_log "$CC $picflag\n"
    verbose "$CC $picflag"
    catch "exec $CC $picflag" exec_output
    send_log "$exec_output\n"
    verbose "--" "$exec_output"
    if { [string match "*illegal option*" $exec_output] \
	 || [string match "*option ignored*" $exec_output] \
	 || [string match "*unrecognized option*" $exec_output] \
	 || [string match "*passed to ld*" $exec_output] } {
	if [istarget *-*-sunos4*] {
	    set picflag "-pic"
	} else {
	    set picflag "-KPIC"
	}
    }
}
verbose "Using $picflag to compile PIC code"

visibility_run hidden
visibility_run hidden_normal
visibility_run hidden_undef
visibility_run hidden_undef_def
visibility_run hidden_weak
visibility_run protected
visibility_run protected_undef
visibility_run protected_undef_def
visibility_run protected_weak
visibility_run normal

if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/common.c tmpdir/common.o] } {
    unresolved "common hidden symbol"
} else {
    if ![ld_simple_link $ld tmpdir/common "tmpdir/common.o"] {
	fail "common hidden symbol"
    } else {
	pass "common hidden symbol"
    }
}

if { ![ld_compile "$CC -g $CFLAGS" $srcdir/$subdir/test.c tmpdir/test.o] } {
    unresolved "weak hidden symbol"
} else {
   if { ![ld_compile "$CC -g $CFLAGS $picflag" $srcdir/$subdir/sh3.c tmpdir/sh3.o] } {
	unresolved "weak hidden symbol"
    } else {
	if ![ld_simple_link $ld tmpdir/sh3.so "-shared tmpdir/sh3.o"] {
	    fail "weak hidden symbol"
	} else {
	    if ![ld_simple_link $ld tmpdir/weak "tmpdir/test.o tmpdir/sh3.o"] {
		fail "weak hidden symbol DSO last"
	    } else {
		pass "weak hidden symbol DSO last"
	    }
	    if ![ld_simple_link $ld tmpdir/weak "tmpdir/sh3.so tmpdir/test.o"] {
		fail "weak hidden symbol DSO first"
	    } else {
		pass "weak hidden symbol DSO first"
	    }
	}
    }
}

if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
    # Remove the temporary directory.
    catch "exec rm -rf $tmpdir" exec_status
}