# Expect script for various ELF tests.
-# Copyright (C) 2006-2018 Free Software Foundation, Inc.
+# Copyright (C) 2006-2020 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# 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"
}
append AFLAGS_PIC " -K PIC"
}
+# GAS options to disable program property note.
+set AFLAGS_NOTE ""
+if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
+ append AFLAGS_NOTE "-mx86-used-note=no"
+}
+
# This target requires a non-default emulation for successful shared
# library/executable builds.
set LFLAGS ""
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"
] \
] "xtensa-*-*"
+# The MIPS backend sets SHF_WRITE, in `mips_elf_create_dynamic_relocation',
+# for any section that has a dynamic relocation attached and consequently
+# this test is irrelevant for MIPS targets. We don't have a clean way to
+# request UNSUPPORTED result, which would be the most appropriate here,
+# so we just XFAIL the test instead.
run_ld_link_tests [list \
[list \
"DT_TEXTREL map file warning" \
{{ld textrel.map}} \
"textrel.so" \
] \
-] "cris*-*-*"
+] "cris*-*-*" "mips*-*-*"
# PR ld/20828 check for correct dynamic symbol table entries where:
# - symbols have been defined with a linker script,
"pr22150" \
] \
]
+
+ switch -glob $target_triplet {
+ # exclude targets that don't support copy relocs
+ bfin-*-* { }
+ frv-*-* { }
+ lm32-*-* { }
+ mips*-*-* { }
+ tic6x-*-* { }
+ xtensa-*-* { }
+ default {
+ run_ld_link_tests [list \
+ [list \
+ "Build pr25458.so" \
+ "$LFLAGS -shared --version-script=pr25458.map" \
+ "" \
+ "$AFLAGS_PIC" \
+ {pr25458b.s} \
+ {} \
+ "pr25458.so" \
+ ] \
+ [list \
+ "Build pr25458" \
+ "$LFLAGS -e _start --gc-sections" \
+ "tmpdir/pr25458.so" \
+ "$AFLAGS_PIC" \
+ {pr25458a.s} \
+ {{readelf {--dyn-sym --wide} pr25458.rd}} \
+ "pr25458" \
+ ] \
+ ]
+ }
+ }
}
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" "" \
+ $hpux \
+ {pr14170c.s} { } "pr14170" ] \
+] "bfin-*-*"
+
+# Targets that use _bfd_generic_link_add_symbols won't pass pr21703 tests
+# Nor will hppa64 with dot-symbols.
+run_ld_link_tests [list \
+ [list "PR ld/21703 shared" \
+ "-shared --allow-multiple-definition --version-script pr21703.ver\
+ tmpdir/pr21703-3.o tmpdir/pr21703-4.o" "" "$AFLAGS_PIC" \
+ {pr21703-3.s pr21703-4.s} {{readelf {--dyn-syms} pr21703-shared.sd}} \
+ "pr21703.so" ] \
+] \[is_generic\] 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" "" "$AFLAGS_PIC" \
+ {pr20995c.s} {{readelf {-l --wide} pr20995-2so.r}} "pr20995-2.so"] \
+] "tic6x-*-*" "arm*-*-eabi*" "hppa*64*-*-hpux*" "aarch64*-*-elf*" \
+ "*-*-lynxos*" "arm*-*-nto*" "i?86-*-nto*" "sh*-*-nto*"
+
+# These targets don't copy dynamic variables into .bss.
+setup_xfail "alpha-*-*" "bfin-*-*" "ia64-*-*" "xtensa-*-*"
+# or don't have .data.rel.ro
+setup_xfail "hppa*64*-*-hpux*"
+run_ld_link_tests [list \
+ [list \
+ "pr20995" \
+ "$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" "$AFLAGS_NONPIC" \
+ {pr20995a.s} {{readelf {-S --wide} pr20995.r}} "pr20995-2"]
+] "*-*-lynxos*" "arm*-*-nto*" "i?86-*-nto*" "sh*-*-nto*"
+
+run_ld_link_tests [list \
+ [list "Build pr22374 shared library" \
+ "-shared" "" "$AFLAGS_PIC" "pr22374b.s" {} "pr22374.so" ] \
+]
+if { ![istarget "alpha-*-*"]
+ && ![istarget "csky-*-*"]
+ && ![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 $CC] == 0 } {
+if { ![check_compiler_available] } {
return
}
"-shared" "-fPIC"
{beginwarn.c end.c}
{{readelf {-S --wide} libbarw.rd}
- {warning "^.*beginwarn.c:7: warning: function foo is deprecated$"}}
+ {warning "^.*beginwarn.c:7: warning: function foo is deprecated\n?$"}}
"libbarw.so" "c"}
{"Build hidden libbar.so"
"-shared" "-fPIC"
"-shared" "-fPIC"
{data2.c} {} "libdata2.so"}
{"Build libcomm1.o"
- "-r -nostdlib" ""
+ "-r -nostdlib" "-fcommon"
{comm1.c} {} "libcomm1.o"}
{"Build libfunc1.so"
"-shared" "-fPIC"
"-r -nostdlib" ""
{pr11138-2.c} {} "libpr11138-2.o"}
{"Build pr13250-1.so"
- "-shared" "-fPIC"
+ "-shared" "-fPIC -fcommon"
{pr13250-1.c} {} "libpr13250-1.so"}
{"Build pr13250-2.so with libpr13250-1.so"
- "-shared -Wl,--no-as-needed tmpdir/libpr13250-1.so" "-fPIC"
+ "-shared -Wl,--no-as-needed tmpdir/libpr13250-1.so" "-fPIC -fcommon"
{pr13250-2.c} {} "libpr13250-2.so"}
{"Build libpr13250-3.o"
- "-r -nostdlib" ""
+ "-r -nostdlib" "-fcommon"
{pr13250-3.c} {} "libpr13250-3.o"}
{"Build libpr14323-2.so"
- "-shared" "-fPIC"
+ "-shared" "-fPIC -fcommon"
{pr14323-2.c} {} "libpr14323-2.so"}
{"Build pr14862-1.o"
"-r -nostdlib" ""
{"Build libpr18458b.so"
"-shared -Wl,-z,now tmpdir/libpr18458a.so" "-fPIC"
{pr18458b.c} {} "libpr18458b.so"}
- {"Build pr19073a.o"
- "-r -nostdlib" ""
- {pr19073.s} {} "pr19073a.o"}
- {"Build libpr19073.so"
- "-shared -Wl,--version-script=pr19073.map tmpdir/pr19073a.o" "-fPIC"
- {dummy.c} {{readelf {--dyn-syms --wide} pr19073.rd}} "libpr19073.so"}
+}
+# pr19073.s uses .set, which has a different meaning on alpha.
+if { ![istarget alpha-*-*] } {
+ append build_tests {
+ {"Build pr19073a.o"
+ "-r -nostdlib" ""
+ {pr19073.s} {} "pr19073a.o"}
+ {"Build libpr19073.so"
+ "-shared -Wl,--version-script=pr19073.map tmpdir/pr19073a.o" "-fPIC"
+ {dummy.c} {{readelf {--dyn-syms --wide} pr19073.rd}} "libpr19073.so"}
+ }
+}
+append build_tests {
{"Build pr21964-1a.so"
"-shared" "-fPIC"
{pr21964-1a.c} {} "pr21964-1a.so"}
run_ld_link_tests [list \
[list \
- "Build pr22269-1" \
- "-pie -e _start --no-dynamic-linker -z text" \
+ "pr22269-1 (static pie undefined weak)" \
+ "-pie -e _start --no-dynamic-linker -z text -z nocombreloc " \
"" \
"$AFLAGS_PIC" \
{ pr22269-1.c } \
[list "Run warn with versioned libfoo.so" \
"-Wl,--no-as-needed tmpdir/beginwarn.o tmpdir/libfoov.so" "" \
{main.c} "warn" "warn.out" \
- "" "c" {^.*beginwarn.c:7: warning: function foo is deprecated$} ] \
+ "" "c" {^.*beginwarn.c:7: warning: function foo is deprecated\n?$} ] \
[list "Run protected with versioned libfoo.so" \
"-Wl,--no-as-needed tmpdir/begin.o tmpdir/libfoov.so tmpdir/endprotected.o" "" \
{main.c} "protected" "normal.out" ] \
"-Wl,--no-as-needed,--version-script=pr11138-2.map tmpdir/libpr11138-1.so tmpdir/pr11138-2.o" "" \
{dummy.c} "pr11138b" "pr11138.out" ] \
[list "Run with pr13250-3.c, libpr13250-1.so and libpr13250-2.so" \
- "-Wl,--as-needed tmpdir/pr13250-3.o tmpdir/libpr13250-1.so tmpdir/libpr13250-2.so" "" \
+ "-Wl,--as-needed tmpdir/pr13250-3.o tmpdir/libpr13250-1.so tmpdir/libpr13250-2.so" "-fcommon" \
{dummy.c} "pr13250" "pass.out" ] \
[list "Run with pr14323-1.c pr14323-2.so" \
"-Wl,--no-as-needed tmpdir/libpr14323-2.so" "" \
] \
[list \
"Build pr19579a.o" \
- "" "-fPIE" \
+ "" "-fPIE -fcommon" \
{pr19579a.c} \
{} \
"libpr19579a.a" \
[list \
"Build libpr19579.so" \
"-shared" \
- "-fPIC" \
+ "-fPIC -fcommon" \
{pr19579b.c} \
{} \
"libpr19579.so" \
[list \
"Build libpr19579now.so" \
"-shared -Wl,-z,now" \
- "-fPIC" \
+ "-fPIC -fcommon" \
{pr19579b.c} \
{} \
"libpr19579.so" \
mix_pic_and_non_pic [list "arm*-*-*" "aarch64*-*-*"] "" "" "pr19719"
mix_pic_and_non_pic [] "-fPIE" "-pie" "pr19719pie"
+
+set AFLAGS_PIE ""
+if { [istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"] } {
+ set AFLAGS_PIE "-mrelax-relocations=yes"
+}
+
+if { ([istarget "*-*-linux*"]
+ || [istarget "*-*-nacl*"]
+ || [istarget "*-*-gnu*"])
+ && ![istarget "mips*-*-*"] } {
+ 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" \
+ "" \
+ $AFLAGS_PIE \
+ { pr23162b.c } \
+ {{readelf {-rW} pr23162.rd}} \
+ "pr23162a" \
+ "-fPIC -O0" \
+ ] \
+ [list \
+ "Build libpr23162b.so" \
+ "-shared --version-script=pr23162.map" \
+ "" \
+ "$AFLAGS_PIC" \
+ { pr23162a.c } \
+ "" \
+ "libpr23162b.so" \
+ "-fPIC -O2" \
+ ] \
+ [list \
+ "Build pr23162b" \
+ "-pie --no-as-needed tmpdir/libpr23162b.so" \
+ "" \
+ $AFLAGS_PIE \
+ { pr23162b.c } \
+ {{readelf {-rW} pr23162.rd}} \
+ "pr23162b" \
+ "-fPIC -O0" \
+ ] \
+ [list \
+ "Build libpr23161a.so" \
+ "-shared" \
+ "" \
+ "$AFLAGS_PIC" \
+ { pr23161a.c } \
+ {{readelf {--dyn-syms -rW} pr23161a.rd}} \
+ "libpr23161a.so" \
+ "-fPIC -O2" \
+ ] \
+ [list \
+ "Build pr23161a" \
+ "-pie --no-as-needed tmpdir/libpr23161a.so" \
+ "" \
+ $AFLAGS_PIE \
+ { pr23161b.c } \
+ {{readelf {--dyn-syms -rW} pr23161b.rd}} \
+ "pr23161a" \
+ "-fPIC -O0" \
+ ] \
+ [list \
+ "Build libpr23161b.so" \
+ "-shared --version-script=pr23161.map" \
+ "" \
+ "$AFLAGS_PIC" \
+ { pr23161a.c } \
+ {{readelf {--dyn-syms -rW} pr23161a.rd}} \
+ "libpr23161b.so" \
+ "-fPIC -O2" \
+ ] \
+ [list \
+ "Build pr23161b" \
+ "-pie --no-as-needed tmpdir/libpr23161b.so" \
+ "" \
+ $AFLAGS_PIE \
+ { pr23161b.c } \
+ {{readelf {--dyn-syms -rW} pr23161b.rd}} \
+ "pr23161b" \
+ "-fPIC -O0" \
+ ] \
+ ]
+}
+
+if { [istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"] } {
+ run_ld_link_tests [list \
+ [list \
+ "Build libpr23161c.so" \
+ "-shared" \
+ "" \
+ "$AFLAGS_PIC" \
+ { pr23161c.c } \
+ {{readelf {--dyn-syms -rW} pr23161c.rd}} \
+ "libpr23161c.so" \
+ "-fPIC -O2" \
+ ] \
+ [list \
+ "Build pr23161c" \
+ "-pie --no-as-needed tmpdir/libpr23161c.so" \
+ "" \
+ $AFLAGS_PIE \
+ { pr23161b.c } \
+ {{readelf {--dyn-syms -rW} pr23161d.rd}} \
+ "pr23161c" \
+ "-fPIC -O0" \
+ ] \
+ ]
+}
+
+run_ld_link_tests [list \
+ [list "Build pr23658.so" \
+ "-shared" "" "$AFLAGS_PIC" \
+ {pr23658-1a.s} {} "pr23658.so"] \
+ [list \
+ "Build pr23658-2" \
+ "--dynamic-linker tmpdir/pr23658.so --no-as-needed tmpdir/pr23658.so" \
+ "" \
+ $AFLAGS_NOTE \
+ { pr23658-1a.s pr23658-1b.s pr23658-1c.s pr23658-1d.s start.s } \
+ {{readelf {-lW} pr23658-2.rd}} \
+ "pr23658-2" \
+ ] \
+]