# This target requires extra GAS options when building code for shared
# libraries.
set AFLAGS_PIC ""
+if [istarget "nds32*-*"] {
+ append AFLAGS_PIC " -mpic"
+}
if [istarget "tic6x-*-*"] {
append AFLAGS_PIC " -mpic -mpid=near"
}
if [istarget "tic6x-*-*"] {
append LFLAGS " -melf32_tic6x_le"
}
+# HPUX targets use a different .comm syntax.
+set hpux ""
+if [istarget "*-*-hpux*"] {
+ set hpux "--defsym HPUX=1"
+}
+# These targets do not default to linking with shared libraries.
+if { [istarget "mips*vr4100*-*-elf*"] \
+ || [istarget "mips*vr4300*-*-elf*"] \
+ || [istarget "mips*vr5000*-*-elf*"] } {
+ append LFLAGS " -call_shared"
+}
if [is_underscore_target] {
set ASFLAGS "$ASFLAGS --defsym UNDERSCORE=1"
]
if { [check_gc_sections_available] } {
+ if [istarget mips*-*-*] {
+ set actions {{ld pr22649-2ab-mips.msg}}
+ } else {
+ set actions {{ld pr22649.msg}}
+ }
run_ld_link_tests [list \
[list \
"Build pr22649-2a.so" \
"" \
"$AFLAGS_PIC" \
{pr22649-2a.s} \
- {{ld pr22649.msg}} \
+ $actions \
"pr22649-2a.so" \
] \
[list \
"tmpdir/pr22649-1.so" \
"$AFLAGS_PIC" \
{pr22649-2a.s} \
- {{ld pr22649.msg}} \
+ $actions \
"pr22649-2b.so" \
] \
+ ]
+ if { [istarget mips*-*-*] && ![istarget *-*-elf*] } {
+ set actions {{ld pr22649-2cd-mips.msg}}
+ } else {
+ set actions {}
+ }
+ run_ld_link_tests [list \
[list \
"Build pr22649-2c.so" \
"$LFLAGS -shared -gc-sections -print-gc-sections" \
"" \
"$AFLAGS_PIC" \
{pr22649-2b.s} \
- {} \
+ $actions \
"pr22649-2b.so" \
] \
[list \
"tmpdir/pr22649-1.so" \
"$AFLAGS_PIC" \
{pr22649-2b.s} \
- {} \
+ $actions \
"pr22649-2b.so" \
] \
]
set ASFLAGS $old_ASFLAGS
+run_ld_link_tests {
+ {"Build pr14170a.o" "" "" "" {pr14170a.s} {} "pr14170.a" }
+}
+run_ld_link_tests [list \
+ [list "Build shared library for pr14170" \
+ "-shared" "" "$AFLAGS_PIC" "pr14170b.s" {} "pr14170.so" ] \
+]
+
+# bfin does not currently support copy relocs.
+run_ld_link_tests [list \
+ [list "PR ld/14170" \
+ "$LFLAGS --no-dynamic-linker tmpdir/pr14170a.o tmpdir/pr14170.so" "" \
+ $hpux \
+ {pr14170c.s} { } "pr14170" ] \
+] "bfin-*-*"
+
+# Targets that use _bfd_generic_link_add_symbols won't pass pr21703 tests
+# Not will hppa64 with dot-symbols.
+run_ld_link_tests [list \
+ [list "PR ld/21703 shared" \
+ "-shared --allow-multiple-definition --version-script pr21703.ver\
+ tmpdir/pr21703-3.o tmpdir/pr21703-4.o" "" "$AFLAGS_PIC" \
+ {pr21703-3.s pr21703-4.s} {{readelf {--dyn-syms} pr21703-shared.sd}} \
+ "pr21703.so" ] \
+] "d30v-*-*" "dlx-*-*" "pj-*-*" "hppa64-*-*"
+
+# This target requires extra GAS options when building non-PIC code
+# for linking with shared libraries.
+set AFLAGS_NONPIC ""
+if [istarget "mips*-*-*"] {
+ append AFLAGS_NONPIC " -call_nonpic"
+}
+
+# Run a test to check linking a shared library with a broken linker
+# script that accidentally marks dynamic sections as notes. The
+# resulting executable is not expected to work, but the linker
+# should not seg-fault whilst creating the binary.
+run_ld_link_tests [list \
+ [list "Build shared library for broken linker script test" \
+ "-shared --hash-style=sysv" "" "$AFLAGS_PIC" "note-3.s" \
+ {} \
+ "note-3.so" ] \
+ [list "Link using broken linker script" \
+ "$LFLAGS --script note-3.t tmpdir/note-3.so" "" "" "" \
+ { { ld "note-3.l" } } \
+ "a.out" ] \
+]
+
+run_ld_link_tests [list \
+ [list "Build pr17068.so" \
+ "-shared" "" "$AFLAGS_PIC" \
+ {pr17068d.s} {} "pr17068.so"] \
+ [list "Build pr17068a.a" \
+ "" "" "" \
+ {pr17068a.s pr17068c.s pr17068ez.s} {} "pr17068a.a"] \
+ [list "Build pr17068b.a" \
+ "" "" "" \
+ {pr17068b.s pr17068e.s} {} "pr17068b.a"] \
+]
+
+# bfin does not currently support copy relocs.
+run_ld_link_tests {
+ {"pr17068 link --as-needed lib in group"
+ "$LFLAGS --as-needed --no-dynamic-linker"
+ "--start-group tmpdir/pr17068a.a tmpdir/pr17068.so tmpdir/pr17068b.a\
+ --end-group" ""
+ {start.s pr17068.s} {} "pr17068"}
+} "bfin-*-*"
+
+# Fails on MIPS because ABI trickery means that a NULL reloc is emitted.
+# Fails on bfin because relocations are not created.
+run_ld_link_tests [list \
+ [list "-Bsymbolic-functions" \
+ "-shared -Bsymbolic-functions" "" "$AFLAGS_PIC" \
+ {symbolic-func.s} {{readelf {-r --wide} symbolic-func.r}} \
+ "symbolic-func.so"] \
+] "mips*-*-*" "bfin-*-*"
+
+run_ld_link_tests [list \
+ [list "Build pr20995.so" \
+ "-shared" "" "$AFLAGS_PIC" \
+ {pr20995b.s} {} "pr20995.so"] \
+]
+
+# xfail on arm*-*-eabi*. The list can be enlarged to those targets that
+# don't support GNU_RELRO. For more details, please see discussions at:
+# https://sourceware.org/ml/binutils/2017-01/msg00441.html
+run_ld_link_tests [list \
+ [list "Build pr20995-2.so" \
+ "-shared -z relro" "" "$AFLAGS_PIC" \
+ {pr20995c.s} {{readelf {-l --wide} pr20995-2so.r}} "pr20995-2.so"] \
+] "tic6x-*-*" "arm*-*-eabi*" "hppa*64*-*-hpux*" "aarch64*-*-elf*"
+
+# These targets don't copy dynamic variables into .bss.
+setup_xfail "alpha-*-*" "bfin-*-*" "ia64-*-*" "xtensa-*-*"
+# or don't have .data.rel.ro
+setup_xfail "hppa*64*-*-hpux*"
+run_ld_link_tests [list \
+ [list \
+ "pr20995" \
+ "$LFLAGS" "tmpdir/pr20995.so" "$AFLAGS_NONPIC" \
+ {pr20995a.s} {{readelf {-S --wide} pr20995.r}} "pr20995"]]
+
+# xfail on arm*-*-eabi* is particularly because of no support of GNU_RELRO.
+# Please see the link above for details.
+setup_xfail "alpha-*-*" "bfin-*-*" "ia64-*-*" "xtensa-*-*" "arm*-*-eabi*"
+setup_xfail "hppa*64*-*-hpux*" "aarch64*-*-elf*"
+run_ld_link_tests [list \
+ [list \
+ "pr20995-2" \
+ "$LFLAGS" "tmpdir/pr20995-2.so" "$AFLAGS_NONPIC" \
+ {pr20995a.s} {{readelf {-S --wide} pr20995.r}} "pr20995-2"]]
+
+run_ld_link_tests [list \
+ [list "Build pr22374 shared library" \
+ "-shared" "" "$AFLAGS_PIC" "pr22374b.s" {} "pr22374.so" ] \
+]
+if { ![istarget "alpha-*-*"]
+ && ![istarget "frv-*-*"]
+ && ![istarget "hppa*-*-*"]
+ && ![istarget "i?86-*-*"]
+ && ![istarget "ia64-*-*"]
+ && ![istarget "microblaze-*-*"]
+ && ![istarget "powerpc*-*-*"]
+ && ![istarget "x86_64-*-*"]
+ && ![istarget "xtensa-*-*"] } {
+ # The next test checks that copy relocs are not used unnecessarily,
+ # but that is just an optimization so don't complain loudly.
+ setup_xfail "*-*-*"
+}
+run_ld_link_tests {
+ {"pr22374 function pointer initialization"
+ "" "tmpdir/pr22374.so" "" "pr22374a.s"
+ { {readelf {--wide -r --dyn-syms} "pr22374-1.r"}
+ {readelf {--wide -r} "pr22374-2.r"} }
+ "pr22374" }
+}
+
+if { [istarget *-*-linux*]
+ || [istarget *-*-nacl*]
+ || [istarget *-*-gnu*] } {
+ run_ld_link_tests {
+ {"Weak symbols in dynamic objects 1 (support)"
+ "-shared" "" "" {weak-dyn-1a.s}
+ {}
+ "libweakdyn1a.so"}
+ {"Weak symbols in dynamic objects 1 (main test)"
+ "-shared tmpdir/libweakdyn1a.so -Tweak-dyn-1.ld" "" "" {weak-dyn-1b.s}
+ {{readelf {--relocs --wide} weak-dyn-1.rd}}
+ "libweakdyn1b.so"}
+ }
+}
+
# Check to see if the C compiler works
if { [which $CC] == 0 } {
return
[list "Run pr21964-2" \
"-Wl,--no-as-needed,-rpath,tmpdir tmpdir/pr21964-2a.so $extralibs" "" \
{pr21964-2c.c} "pr21964-2" "pass.out" ] \
+ [list "Run pr21964-5" \
+ "-Wl,--no-as-needed,-rpath,tmpdir tmpdir/pr21964-1a.so $extralibs" "" \
+ {pr21964-5.c} "pr21964-5" "pass.out" ] \
]
# Only run them when libdl is available.
"pr22393-2-static" \
"pass.out" \
] \
+ [list \
+ "Run pr21964-4" \
+ "" \
+ "" \
+ {pr21964-4.c} \
+ "pr21964-4" \
+ "pass.out" \
+ "" \
+ "" \
+ "" \
+ "-ldl" \
+ ] \
]
}
mix_pic_and_non_pic [list "arm*-*-*" "aarch64*-*-*"] "" "" "pr19719"
mix_pic_and_non_pic [] "-fPIE" "-pie" "pr19719pie"
+
+if { ([istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"]) } {
+ run_ld_link_tests [list \
+ [list \
+ "Build libpr23162a.so" \
+ "-shared" \
+ "" \
+ "$AFLAGS_PIC" \
+ { pr23162a.c } \
+ "" \
+ "libpr23162a.so" \
+ "-fPIC -O2" \
+ ] \
+ [list \
+ "Build pr23162a" \
+ "-pie --no-as-needed tmpdir/libpr23162a.so" \
+ "" \
+ "-mrelax-relocations=yes" \
+ { pr23162b.c } \
+ {{readelf {--dyn-syms -rW} pr23162.rd}} \
+ "pr23162a" \
+ "-fPIC -O0" \
+ ] \
+ [list \
+ "Build libpr23162b.so" \
+ "-shared --version-script=pr23162.map" \
+ "" \
+ "$AFLAGS_PIC" \
+ { pr23162a.c } \
+ "" \
+ "libpr23162b.so" \
+ "-fPIC -O2" \
+ ] \
+ [list \
+ "Build pr23162b" \
+ "-pie --no-as-needed tmpdir/libpr23162b.so" \
+ "" \
+ "-mrelax-relocations=yes" \
+ { pr23162b.c } \
+ {{readelf {--dyn-syms -rW} pr23162.rd}} \
+ "pr23162b" \
+ "-fPIC -O0" \
+ ] \
+ ]
+}