# - the shared library symbols have been swept in section garbage collection.
# Verify that the symbols are global rather than local and that a version
# script adjusts them accordingly.
+# Also verify that a version definition supplied by an object rather than
+# a version script and forcibly exported is unaffected by section GC.
if { [check_gc_sections_available] } {
run_ld_link_tests [list \
[list \
{pr20828.s} \
{{readelf --dyn-syms pr20828-b.sd} \
{readelf --dyn-syms pr20828-c.sd}} \
- "pr20828-2.so"]]
+ "pr20828-2.so"] \
+ [list \
+ "PR ld/20828 dynamic symbols with section GC\
+ (versioned shared library)" \
+ "$LFLAGS -shared --gc-sections -T pr20828.ld\
+ --version-script=pr20828-v.ver" \
+ "" "$AFLAGS_PIC" \
+ {pr20828.s} \
+ {{readelf --dyn-syms pr20828-c.sd} \
+ {readelf --dyn-syms pr20828-d.sd} \
+ {readelf --dyn-syms pr20828-e.sd}} \
+ "libpr20828-v.so"] \
+ [list \
+ "PR ld/20828 dynamic symbols with section GC (versioned)" \
+ "$LFLAGS -shared --gc-sections -T pr20828.ld\
+ --version-script=pr20828-v.ver" \
+ "tmpdir/libpr20828-v.so" \
+ "$AFLAGS_PIC" \
+ {pr20828.s} \
+ {{readelf --dyn-syms pr20828-c.sd} \
+ {readelf --dyn-syms pr20828-d.sd} \
+ {readelf --dyn-syms pr20828-e.sd}} \
+ "pr20828-v.so"] \
+ [list \
+ "PR ld/20828 forcibly exported symbol version without section GC" \
+ "$LFLAGS --no-dynamic-linker -e foo -E -T pr20828-v.ld" "" "" \
+ {pr20828-v.s} \
+ {{objdump -p pr20828-v.od}} \
+ "pr20828-v-1"] \
+ [list \
+ "PR ld/20828 forcibly exported symbol version with section GC" \
+ "$LFLAGS --no-dynamic-linker -e foo --gc-sections -E -T pr20828-v.ld" "" "" \
+ {pr20828-v.s} \
+ {{objdump -p pr20828-v.od}} \
+ "pr20828-v-2"]]
+}
+# PR ld/21233 check for correct dynamic symbol table entries where:
+# - a symbol has been defined in a shared library used in the link,
+# - the symbol has been referenced from a section swept in garbage collection,
+# - the symbol has also been forced to be entered in the output file as an
+# undefined symbol, either with a command-line option or a linker script
+# command.
+# Verify that the undefined symbol is global rather than local.
+if { [check_gc_sections_available] } {
+ run_ld_link_tests [list \
+ [list \
+ "PR ld/21233 dynamic symbols with section GC\
+ (auxiliary shared library)" \
+ "$LFLAGS -shared -T pr21233.ld" "" "$AFLAGS_PIC" \
+ {pr21233-l.s} \
+ {{readelf --dyn-syms pr21233-l.sd}} \
+ "libpr21233.so"]]
+
+ setup_kfail "cris*-*-*" "ld/21233"
+
+ run_ld_link_tests [list \
+ [list \
+ "PR ld/21233 dynamic symbols with section GC (--undefined)" \
+ "$LFLAGS --gc-sections -e foo --undefined=bar -T pr21233.ld" \
+ "tmpdir/libpr21233.so" "" \
+ {pr21233.s} \
+ {{readelf --dyn-syms pr21233.sd}} \
+ "pr21233-1"]]
+
+ setup_kfail "cris*-*-*" "ld/21233"
+
+ run_ld_link_tests [list \
+ [list \
+ "PR ld/21233 dynamic symbols with section GC (--require-defined)" \
+ "$LFLAGS --gc-sections -e foo --require-defined=bar\
+ -T pr21233.ld" \
+ "tmpdir/libpr21233.so" "" \
+ {pr21233.s} \
+ {{readelf --dyn-syms pr21233.sd}} \
+ "pr21233-2"]]
+
+ setup_kfail "cris*-*-*" "ld/21233"
+
+ run_ld_link_tests [list \
+ [list \
+ "PR ld/21233 dynamic symbols with section GC (EXTERN)" \
+ "$LFLAGS --gc-sections -e foo -T pr21233-e.ld" \
+ "tmpdir/libpr21233.so" "" \
+ {pr21233.s} \
+ {{readelf --dyn-syms pr21233.sd}} \
+ "pr21233-3"]]
}
# Check to see if the C compiler works
{"Build libpr2404a.so"
"-shared" "-fPIC"
{pr2404a.c} {} "libpr2404a.so"}
+ {"Build libpr2404n.so"
+ "-shared -Wl,-z,now" "-fPIC"
+ {pr2404a.c} {} "libpr2404n.so"}
{"Build libpr2404b.a"
"" ""
{pr2404b.c} {} "libpr2404b.a"}
{"Build rdynamic-1"
- "-rdynamic -Wl,--gc-sections" "-ffunction-sections"
+ "-Wl,--no-dynamic-linker,-export-dynamic,--gc-sections" "-ffunction-sections"
{rdynamic-1.c} {{readelf {-s} rdynamic-1.rd}} "rdynamic-1"}
{"Build dynamic-1"
- "-Wl,--dynamic-list,dynamic-1.syms -Wl,--gc-sections" "-ffunction-sections"
+ "-Wl,--no-dynamic-linker,--dynamic-list,dynamic-1.syms -Wl,--gc-sections" "-ffunction-sections"
{dynamic-1.c} {{readelf {-s} dynamic-1.rd}} "dynamic-1"}
{"Build libpr16496a.so"
"-shared -Wl,--version-script=pr16496a.map" "-fPIC"
[list "Run pr2404" \
"-Wl,--no-as-needed tmpdir/pr2404b.o tmpdir/libpr2404a.so" "" \
{dummy.c} "pr2404" "pr2404.out" ] \
+ [list "Run pr2404n" \
+ "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr2404b.o tmpdir/libpr2404n.so" "" \
+ {dummy.c} "pr2404n" "pr2404.out" ] \
[list "Run pr18458" \
"-Wl,--no-as-needed,-z,now tmpdir/libpr18458a.so tmpdir/libpr18458b.so" "" \
{pr18458c.c} "pr18458" "pass.out" ] \
"-shared -Wl,--dynamic-list-cpp-typeinfo" "-fPIC"
{dl3.cc} {} "libdl3c.so" "c++"}
{"Build libdnew1a.so with --Bsymbolic-functions --dynamic-list-cpp-new"
- "-shared -Wl,-Bsymbolic-functions,--dynamic-list-cpp-new" "-fPIC"
+ "-shared -Wl,-Bsymbolic-functions,--dynamic-list-cpp-new" "-fPIC -ansi"
{del.cc new.cc} {} "libnew1a.so" "c++"}
{"Build libdnew1b.so with --dynamic-list-data --dynamic-list-cpp-new"
- "-shared -Wl,--dynamic-list-data,--dynamic-list-cpp-new" "-fPIC"
+ "-shared -Wl,--dynamic-list-data,--dynamic-list-cpp-new" "-fPIC -ansi"
{del.cc new.cc} {} "libnew1b.so" "c++"}
}
{dl3main.cc} "dl3c" "dl3a.out" "" "c++"}
{"Run with libnew1a.so"
"-Wl,--no-as-needed tmpdir/libnew1a.so" ""
- {dl5.cc} "dl5a" "dl5.out" "" "c++"}
+ {dl5.cc} "dl5a" "dl5.out" "-ansi" "c++"}
{"Run with libnew1b.so"
"-Wl,--no-as-needed tmpdir/libnew1b.so" ""
- {dl5.cc} "dl5b" "dl5.out" "" "c++"}
+ {dl5.cc} "dl5b" "dl5.out" "-ansi" "c++"}
}
run_cc_link_tests $build_cxx_tests
{} \
"libpr19579.so" \
] \
+ [list \
+ "Build libpr19579now.so" \
+ "-shared -Wl,-z,now" \
+ "-fPIC" \
+ {pr19579b.c} \
+ {} \
+ "libpr19579.so" \
+ ] \
]
run_ld_link_exec_tests [list \
+ [list \
+ "Run pr18458 with PIE" \
+ "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr18458a.so tmpdir/libpr18458b.so" \
+ "" \
+ {pr18458c.c} \
+ "pr18458p" \
+ "pass.out" \
+ "-fPIE" \
+ ] \
[list \
"Run pr2404 with PIE" \
"-pie -Wl,--no-as-needed tmpdir/pr2404b.o tmpdir/libpr2404a.so" \
"pr2404.out" \
"-fPIE" \
] \
+ [list \
+ "Run pr2404 with PIE (-z now)" \
+ "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/pr2404b.o tmpdir/libpr2404n.so" \
+ "" \
+ { dummy.c } \
+ "pr2404pien" \
+ "pr2404.out" \
+ "-fPIE" \
+ ] \
[list \
"Run pr18718" \
"" \
"pass.out" \
"-O2 -I../bfd" \
] \
+ [list \
+ "Run pr18718 (-z now)" \
+ "-Wl,-z,now" \
+ "" \
+ { pr18718.c check-ptr-eq.c } \
+ "pr18718" \
+ "pass.out" \
+ "-O2 -I../bfd" \
+ ] \
[list \
"Run pr18718 with PIE (1)" \
"-pie" \
"pass.out" \
"-O2 -fPIE -I../bfd" \
] \
+ [list \
+ "Run pr18718 with PIE (3)" \
+ "-pie -Wl,-z,now" \
+ "" \
+ { pr18718.c check-ptr-eq.c } \
+ "pr18718pie3" \
+ "pass.out" \
+ "-O2 -fPIE -I../bfd" \
+ ] \
+ [list \
+ "Run pr18718 with PIE (4)" \
+ "-Wl,-z,now" \
+ "" \
+ { pr18718.c check-ptr-eq.c } \
+ "pr18718pie4" \
+ "pass.out" \
+ "-O2 -fPIE -I../bfd" \
+ ] \
[list \
"Run pr18718 with PIC (1)" \
"" \
"pass.out" \
"-O2 -fPIC -I../bfd" \
] \
+ [list \
+ "Run pr18718 with PIC (3)" \
+ "-Wl,-z,now" \
+ "" \
+ { pr18718.c check-ptr-eq.c } \
+ "pr18718pic3" \
+ "pass.out" \
+ "-O2 -fPIC -I../bfd" \
+ ] \
+ [list \
+ "Run pr18718 with PIC (4)" \
+ "-pie -Wl,-z,now" \
+ "" \
+ { pr18718.c check-ptr-eq.c } \
+ "pr18718pic4" \
+ "pass.out" \
+ "-O2 -fPIC -I../bfd" \
+ ] \
[list \
"Run pr19579" \
"-pie -Wl,--no-as-needed,-z,text tmpdir/pr19579a.o tmpdir/libpr19579.so" \
"pass.out" \
"-fPIE" \
] \
+ [list \
+ "Run pr19579 (-z now)" \
+ "-pie -Wl,-z,now -Wl,--no-as-needed,-z,text tmpdir/pr19579a.o tmpdir/libpr19579.so" \
+ "" \
+ {dummy.c} \
+ "pr19579n" \
+ "pass.out" \
+ "-fPIE" \
+ ] \
]
}
projects / deliverable / binutils-gdb.git / blobdiff