X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Ftestsuite%2Fld-ifunc%2Fifunc.exp;h=3fd616ac69ab3f1eaca57e11b70e62b3a84f8e59;hb=44ed80923ab89e141120defa8c1209b69869a7ac;hp=ffff2f1ae56b03382456d253bc1a65025f8a614a;hpb=47523653a331d0a04470701338a6ed269cc758f4;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/testsuite/ld-ifunc/ifunc.exp b/ld/testsuite/ld-ifunc/ifunc.exp index ffff2f1ae5..3fd616ac69 100644 --- a/ld/testsuite/ld-ifunc/ifunc.exp +++ b/ld/testsuite/ld-ifunc/ifunc.exp @@ -1,6 +1,6 @@ # Expect script for linker support of IFUNC symbols and relocations. # -# Copyright (C) 2009-2017 Free Software Foundation, Inc. +# Copyright (C) 2009-2019 Free Software Foundation, Inc. # Contributed by Red Hat. # # This file is part of the GNU Binutils. @@ -33,10 +33,8 @@ if {!(([istarget "i?86-*-*"] || [istarget "s390*-*-*"]) && ([istarget "*-*-elf*"] || [istarget "*-*-nacl*"] - || (([istarget "*-*-linux*"] - || [istarget "*-*-gnu*"]) - && ![istarget "*-*-*aout*"] - && ![istarget "*-*-*oldld*"]))) } { + || [istarget "*-*-linux*"] + || [istarget "*-*-gnu*"])) } { verbose "IFUNC tests not run - target does not support IFUNC" return } @@ -47,9 +45,25 @@ if ![check_shared_lib_support] { return } +global ASFLAGS +set saved_ASFLAGS "$ASFLAGS" +if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } { + set ASFLAGS "$ASFLAGS -mx86-used-note=no" +} + +# This test does not need a compiler... +run_dump_test "ifuncmod5" + +set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]] +foreach t $test_list { + # We need to strip the ".d", but can leave the dirname. + verbose [file rootname $t] + run_dump_test [file rootname $t] +} + # We need a working compiler. (Strictly speaking this is # not true, we could use target specific assembler files). -if { [which $CC] == 0 } { +if { ![check_compiler_available] } { verbose "IFUNC tests not run - no compiler available" return } @@ -164,7 +178,7 @@ if ![ld_compile "$CC -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] fail "Could not create a PIC object file" set fails [expr $fails + 1] } -if ![ld_compile "$CC -c" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] { +if ![ld_compile "$CC -c $NOPIE_CFLAGS" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] { fail "Could not create a non-PIC object file" set fails [expr $fails + 1] } @@ -172,7 +186,7 @@ if ![ld_compile "$CC -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shar fail "Could not create a PIC object file containing an IFUNC symbol" set fails [expr $fails + 1] } -if ![ld_compile "$CC -c -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] { +if ![ld_compile "$CC -c $NOPIE_CFLAGS -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] { fail "Could not create a non-PIC object file containing an IFUNC symbol" set fails [expr $fails + 1] } @@ -214,13 +228,15 @@ if ![ld_link $CC "tmpdir/dynamic_prog" "-Wl,--no-as-needed,-rpath=./tmpdir,-Bdyn fail "Could not link a dynamic executable" set fails [expr $fails + 1] } -if ![ld_link $CC "tmpdir/local_prog" "-Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] { +if ![ld_link $CC "tmpdir/local_prog" "$NOPIE_LDFLAGS -Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] { fail "Could not link a dynamic executable using local ifunc" set fails [expr $fails + 1] } -if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] { - fail "Could not link a static executable" - set fails [expr $fails + 1] +if ![string match "" $STATIC_LDFLAGS] { + if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] { + fail "Could not link a static executable" + set fails [expr $fails + 1] + } } if ![ld_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] { fail "Could not link a non-ifunc using static executable" @@ -234,6 +250,10 @@ if ![ld_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] { fail "Could not link libtest-2.so" set fails [expr $fails + 1] } +if ![ld_link $ld "tmpdir/libtest-2-now.so" "-shared -z now tmpdir/test-2.o"] { + fail "Could not link libtest-2-now.so" + set fails [expr $fails + 1] +} if { $fails == 0 } { pass "Building ifunc binaries" @@ -261,7 +281,8 @@ if {! [check_osabi tmpdir/local_prog {UNIX - GNU}]} { fail "Local ifunc-using executable does not have an OS/ABI field of GNU" set fails [expr $fails + 1] } -if {! [check_osabi tmpdir/static_prog {UNIX - GNU}]} { +if { ![string match "" $STATIC_LDFLAGS] \ + && ![check_osabi tmpdir/static_prog {UNIX - GNU}]} { fail "Static ifunc-using executable does not have an OS/ABI field of GNU" set fails [expr $fails + 1] } @@ -286,7 +307,8 @@ if {[contains_ifunc_symbol tmpdir/local_prog] != 1} { fail "Local ifunc-using executable does not contain an IFUNC symbol" set fails [expr $fails + 1] } -if {[contains_ifunc_symbol tmpdir/static_prog] != 1} { +if { ![string match "" $STATIC_LDFLAGS] \ + && [contains_ifunc_symbol tmpdir/static_prog] != 1} { fail "Static ifunc-using executable does not contain an IFUNC symbol" set fails [expr $fails + 1] } @@ -306,6 +328,10 @@ if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} { fail "libtest-2.so contains IFUNC symbols" set fails [expr $fails + 1] } +if {[contains_ifunc_symbol tmpdir/libtest-2-now.so] != 0} { + fail "libtest-2-now.so contains IFUNC symbols" + set fails [expr $fails + 1] +} # The linked ifunc using executables and shared libraries should contain # a dynamic reloc referencing the IFUNC symbol. (Even the static @@ -320,7 +346,8 @@ if {[contains_irelative_reloc tmpdir/local_prog] != 1} { fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation" set fails [expr $fails + 1] } -if {[contains_irelative_reloc tmpdir/static_prog] != 1} { +if { ![string match "" $STATIC_LDFLAGS] \ + && [contains_irelative_reloc tmpdir/static_prog] != 1} { fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation" set fails [expr $fails + 1] } @@ -371,6 +398,23 @@ run_cc_link_tests [list \ {} \ "libpr16467c.a" \ ] \ + [list \ + "Build libpr16467an.so" \ + "-shared -Wl,-z,now -Wl,--version-script=pr16467a.map" \ + "-fPIC" \ + { pr16467a.c } \ + {} \ + "libpr16467an.so" \ + ] \ + [list \ + "Build libpr16467bn.so" \ + "-shared tmpdir/pr16467b.o tmpdir/libpr16467an.so \ + -Wl,--version-script=pr16467b.map" \ + "-fPIC" \ + { dummy.c } \ + {} \ + "libpr16467bn.so" \ + ] \ ] run_ld_link_exec_tests [list \ @@ -394,13 +438,6 @@ run_ld_link_exec_tests [list \ ] \ ] -set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]] -foreach t $test_list { - # We need to strip the ".d", but can leave the dirname. - verbose [file rootname $t] - run_dump_test [file rootname $t] -} - # Run-time tests which require working IFUNC support. if { ![check_ifunc_available] } { return @@ -415,6 +452,14 @@ run_cc_link_tests [list \ {} \ "libifunc-lib.so" \ ] \ + [list \ + "Build ifunc-libn.so" \ + "-shared -Wl,-z,now" \ + "-fPIC" \ + { ifunc-lib.c } \ + {} \ + "libifunc-libn.so" \ + ] \ ] run_ld_link_exec_tests [list \ @@ -427,6 +472,15 @@ run_ld_link_exec_tests [list \ "pr16467.out" \ "" \ ] \ + [list \ + "Run pr16467 (-z now)" \ + "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467bn.so tmpdir/libpr16467an.so" \ + "" \ + { dummy.c } \ + "pr16467n" \ + "pr16467.out" \ + "" \ + ] \ [list \ "Run ifunc-main" \ "-Wl,--no-as-needed tmpdir/libifunc-lib.so" \ @@ -444,6 +498,23 @@ run_ld_link_exec_tests [list \ "ifunc-main.out" \ "-fpic" \ ] \ + [list \ + "Run ifunc-main (-z now)" \ + "-Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \ + "" \ + { ifunc-main.c } \ + "ifunc-mainn" \ + "ifunc-main.out" \ + ] \ + [list \ + "Run ifunc-main with PIE (-z now)" \ + "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \ + "" \ + { ifunc-main.c } \ + "ifunc-mainpn" \ + "ifunc-main.out" \ + "-fpie" \ + ] \ ] # Run-time tests which require working ifunc attribute support. @@ -468,6 +539,14 @@ run_cc_link_tests [list \ {} \ "libpr18808.so" \ ] \ + [list \ + "Build libpr18808n.so" \ + "-shared -Wl,-z,now" \ + "-fPIC -O2 -g" \ + { pr18808b.c } \ + {} \ + "libpr18808n.so" \ + ] \ [list \ "Build pr18841a.o" \ "" \ @@ -492,6 +571,92 @@ run_cc_link_tests [list \ {} \ "libpr18841c.so" \ ] \ + [list \ + "Build libpr18841bn.so" \ + "-Wl,-z,now -shared" \ + "-fPIC -O0 -g" \ + { pr18841b.c } \ + {} \ + "libpr18841bn.so" \ + ] \ + [list \ + "Build libpr18841cn.so" \ + "-shared" \ + "-Wl,-z,now -fPIC -O0 -g" \ + { pr18841c.c } \ + {} \ + "libpr18841cn.so" \ + ] \ + [list \ + "Build libpr23169a.so" \ + "-shared" \ + "-fPIC -O2 -g" \ + { pr23169a.c } \ + {} \ + "libpr23169a.so" \ + ] \ + [list \ + "Build libpr23169b.so" \ + "-shared -Wl,-z,now" \ + "-fPIC -O2 -g" \ + { pr23169a.c } \ + {} \ + "libpr23169b.so" \ + ] \ + [list \ + "Build pr23169a" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ + "$NOPIE_CFLAGS -O2 -g" \ + { pr23169b.c pr23169c.c } \ + {{readelf {--dyn-syms} pr23169a.rd} \ + {readelf {-r -W} pr23169b.rd}} \ + "pr23169a" \ + ] \ + [list \ + "Build pr23169b" \ + "-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \ + "-fPIE -O2 -g" \ + { pr23169b.c pr23169c.c } \ + {{readelf {--dyn-syms} pr23169c.rd} \ + {readelf {-r -W} pr23169b.rd}} \ + "pr23169b" \ + ] \ + [list \ + "Build pr23169c" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ + "-fPIE -O2 -g" \ + { pr23169b.c pr23169c.c } \ + {{readelf {--dyn-syms} pr23169c.rd} \ + {readelf {-r -W} pr23169b.rd}} \ + "pr23169c" \ + ] \ + [list \ + "Build pr23169d" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ + "$NOPIE_CFLAGS -O2 -g" \ + { pr23169b.c pr23169c.c } \ + {{readelf {--dyn-syms} pr23169a.rd} \ + {readelf {-r -W} pr23169b.rd}} \ + "pr23169d" \ + ] \ + [list \ + "Build pr23169e" \ + "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ + "-fPIE -O2 -g" \ + { pr23169b.c pr23169c.c } \ + {{readelf {--dyn-syms} pr23169c.rd} \ + {readelf {-r -W} pr23169b.rd}} \ + "pr23169e" \ + ] \ + [list \ + "Build pr23169f" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ + "-fPIE -O2 -g" \ + { pr23169b.c pr23169c.c } \ + {{readelf {--dyn-syms} pr23169c.rd} \ + {readelf {-r -W} pr23169b.rd}} \ + "pr23169f" \ + ] \ ] run_ld_link_exec_tests [list \ @@ -503,6 +668,14 @@ run_ld_link_exec_tests [list \ "pr18808" \ "pr18808.out" \ ] \ + [list \ + "Run pr18808 (-z now)" \ + "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808n.so" \ + "" \ + { dummy.c } \ + "pr18808n" \ + "pr18808.out" \ + ] \ [list \ "Run pr18841 with libpr18841b.so" \ "-Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841b.so" \ @@ -519,4 +692,105 @@ run_ld_link_exec_tests [list \ "pr18841c" \ "pr18841.out" \ ] \ + [list \ + "Run pr18841 with libpr18841bn.so (-z now)" \ + "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841bn.so" \ + "" \ + { dummy.c } \ + "pr18841bn" \ + "pr18841.out" \ + ] \ + [list \ + "Run pr18841 with libpr18841cn.so (-z now)" \ + "-Wl,-z,now -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841cn.so" \ + "" \ + { dummy.c } \ + "pr18841cn" \ + "pr18841.out" \ + ] \ +] + +# The pr23169 testcase is not valid. In general, you can't call ifunc +# resolvers in another binary unless you know what you're doing. In +# particular you must ensure that the binary containing the resolver +# is relocated before the resolver is called (for example, the +# function addresses returned by the resolver may be loaded from the +# GOT). +# That does not happen for the pr23169 testcase where the resolver is +# in the executable (which is relocated last by ld.so). +if { [isnative] + && !([istarget "powerpc-*-*"] + || [istarget "aarch64*-*-*"] + || [istarget "sparc*-*-*"]) } { +run_ld_link_exec_tests [list \ + [list \ + "Run pr23169a" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ + "" \ + { pr23169b.c pr23169c.c } \ + "pr23169a" \ + "pass.out" \ + "$NOPIE_CFLAGS -O2 -g" \ + ] \ + [list \ + "Run pr23169b" \ + "-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \ + "" \ + { pr23169b.c pr23169c.c } \ + "pr23169b" \ + "pass.out" \ + "-fPIE -O2 -g" \ + ] \ + [list \ + "Run pr23169c" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ + "" \ + { pr23169b.c pr23169c.c } \ + "pr23169c" \ + "pass.out" \ + "-fPIE -O2 -g" \ + ] \ + [list \ + "Run pr23169d" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ + "" \ + { pr23169b.c pr23169c.c } \ + "pr23169d" \ + "pass.out" \ + "$NOPIE_CFLAGS -O2 -g" \ + ] \ + [list \ + "Run pr23169e" \ + "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ + "" \ + { pr23169b.c pr23169c.c } \ + "pr23169e" \ + "pass.out" \ + "-fPIE -O2 -g" \ + ] \ + [list \ + "Run pr23169f" \ + "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ + "" \ + { pr23169b.c pr23169c.c } \ + "pr23169f" \ + "pass.out" \ + "-fPIE -O2 -g" \ + ] \ ] +if { $STATIC_PIE_LDFLAGS != "" } then { + run_ld_link_exec_tests [list \ + [list \ + "Run pr23169g" \ + "$STATIC_PIE_LDFLAGS" \ + "" \ + { pr23169a.c pr23169b.c pr23169c.c } \ + "pr23169g" \ + "pass.out" \ + "-fPIE -O2 -g" \ + ] \ +] +} +} + +set ASFLAGS "$saved_ASFLAGS"