| # Expect script for ld-plugin LTO tests |
| # Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| # |
| # This file is part of the GNU Binutils. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write to the Free Software |
| # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| # MA 02110-1301, USA. |
| |
| # These tests require plugin and LTO. |
| if { ![check_plugin_api_available] |
| || ![check_lto_available] } { |
| return |
| } |
| |
| global CFLAGS |
| global CXXFLAGS |
| set saved_CFLAGS "$CFLAGS" |
| set saved_CXXFLAGS "$CXXFLAGS" |
| regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS |
| regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS |
| |
| proc restore_notify { } { |
| global saved_CFLAGS |
| global saved_CXXFLAGS |
| set CFLAGS "$saved_CFLAGS" |
| set CXXFLAGS "$saved_CXXFLAGS" |
| } |
| |
| set plugin_names { |
| liblto_plugin.so |
| liblto_plugin-0.dll |
| cyglto_plugin-0.dll |
| } |
| set plug_opt "" |
| foreach plug $plugin_names { |
| set plug_so [run_host_cmd $CC "--print-prog-name $plug"] |
| if { $plug_so eq $plug } then { |
| set plug_so [run_host_cmd $CC "--print-file-name $plug"] |
| } |
| if { $plug_so ne $plug } then { |
| set plug_opt "--plugin $plug_so" |
| break |
| } |
| } |
| set lto_fat "" |
| if { [check_lto_fat_available] } { |
| set lto_fat "-ffat-lto-objects" |
| } |
| |
| # Simple LTO tests and generate input files for complex LTO tests. |
| set lto_link_tests [list \ |
| [list "LTO 1" \ |
| "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin" \ |
| {lto-1a.c lto-1b.c} {} "lto-1.exe"] \ |
| [list "Compile 2" \ |
| "" "-O2 -flto -fuse-linker-plugin" \ |
| {lto-2.c} {} ""] \ |
| [list "LTO 2" \ |
| "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" "" \ |
| {dummy.c} {} "lto-2.exe"] \ |
| [list "Compile 3a" \ |
| "" "-flto" \ |
| {lto-3a.c} {} ""] \ |
| [list "Compile 3c" \ |
| "" "-O2" \ |
| {lto-3c.c} {} ""] \ |
| [list "Build liblto-3.a" \ |
| "" "-flto $lto_fat" \ |
| {lto-3b.c} {} "liblto-3.a"] \ |
| [list "Compile 5a" \ |
| "" "-flto $lto_fat" \ |
| {lto-5a.c} {} ""] \ |
| [list "Compile 5b" \ |
| "" "-flto $lto_fat" \ |
| {lto-5b.c} {} ""] \ |
| [list "LTO 6" \ |
| "-O2 -flto -fuse-linker-plugin" "" \ |
| {lto-6.c} {} "lto-6.exe" "c"] \ |
| [list "Compile 9" \ |
| "" "-O2 -finline -flto" \ |
| {lto-9.cc} {} "" "c++"] \ |
| [list "Compile 11a" \ |
| "" "-O -flto" \ |
| {lto-11a.c} {} ""] \ |
| [list "Compile 11b" \ |
| "" "-O -flto" \ |
| {lto-11b.c} {} ""] \ |
| [list "Compile 11c" \ |
| "" "-O" \ |
| {lto-11c.c} {} ""] \ |
| [list "Build liblto-12.a" \ |
| "$plug_opt" "-O2 -flto" \ |
| {lto-12c.c} {} "liblto-12.a"] \ |
| [list "Compile 12" \ |
| "" "-O2 -flto" \ |
| {lto-12a.c lto-12b.c} {} ""] \ |
| [list "Compile 13" \ |
| "" "-O2 -flto" \ |
| {lto-13a.c lto-13b.c} {} ""] \ |
| [list "Build liblto-13.a" \ |
| "" "-O2" \ |
| {lto-13c.c} {} "liblto-13.a"] \ |
| [list "Compile 14a" \ |
| "" "-flto" \ |
| {lto-14a.c lto-14b.c} {} ""] \ |
| [list "Build liblto-14.a" \ |
| "$plug_opt" "-flto" \ |
| {lto-14c.c} {} "liblto-14.a"] \ |
| [list "Compile 15a" \ |
| "" "-flto" \ |
| {lto-15a.c} {} ""] \ |
| [list "Build liblto-15.a" \ |
| "$plug_opt" "-flto" \ |
| {lto-15b.c} {} "liblto-15.a"] \ |
| [list "PR ld/12696" \ |
| "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto" \ |
| {pr12696-1.cc} {} "pr12696-1r.o" "c++"] \ |
| [list "Compile PR ld/12758" \ |
| "" "" \ |
| {pr12758a.s} {} ""] \ |
| [list "Build libpr12758.a" \ |
| "" "-flto -O2 $lto_fat" \ |
| {pr12758b.c} {} "libpr12758.a"] \ |
| [list "PR ld/12758" \ |
| "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" \ |
| {dummy.c} {} "pr12758.exe"] \ |
| [list "Compile PR ld/12760" \ |
| "" "-g -O0" \ |
| {pr12760a.c} {} ""] \ |
| [list "Build libpr12760.a" \ |
| "" "-flto -O2 $lto_fat" \ |
| {pr12760b.c} {} "libpr12760.a"] \ |
| [list "PR ld/12760" \ |
| "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" \ |
| {dummy.c} {} "pr12760.exe" "c" "pr12760a.c:6: warning: Bad bar"] \ |
| [list "Build libpr13183.a" \ |
| "-T" "-flto -O2 $lto_fat" \ |
| {pr13183a.c} {} "libpr13183.a"] \ |
| [list "Compile PR ld/13183" \ |
| "" "-flto -O2" \ |
| {pr13183b.c} {} ""] \ |
| [list "Compile PR ld/13201" \ |
| "" "-flto -O2" \ |
| {pr13201.c} {} ""] \ |
| [list "PR ld/13287" \ |
| "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto" \ |
| {pr13287.cc} {} "pr13287.exe" "c++"] \ |
| [list "PR ld/15323" \ |
| "" "-O2" \ |
| {pr15323a.c} {} "" "c"] \ |
| [list "Compile(1) PR ld/pr16846" \ |
| "" "-flto" \ |
| {pr16846a.c pr16846b.c} {} ""] \ |
| [list "Compile(2) PR ld/pr16846" \ |
| "" "" \ |
| {pr16846c.c} {} ""] \ |
| [list "PR ld/pr16846(1)" \ |
| "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846b.o tmpdir/pr16846c.o" "" \ |
| {dummy.c} {} "pr16846a.exe"] \ |
| [list "PR ld/pr16846(2)" \ |
| "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" "" \ |
| {dummy.c} {} "pr16846b.exe"] \ |
| ] |
| |
| if { [at_least_gcc_version 4 7] } { |
| set lto_link_tests [concat $lto_link_tests [list \ |
| [list "Compile PR ld/12942 (1)" \ |
| "" "-flto -O2" \ |
| {pr12942a.cc pr12942c.cc} {} "" "c++"] \ |
| [list "Compile PR ld/12942 (2)" \ |
| "" "-O0" \ |
| {pr12942b.cc} {} "" "c++"] \ |
| ]] |
| } |
| |
| # Generate input files for complex LTO tests for ELF. |
| set lto_link_elf_tests [list \ |
| [list "Compile 7" \ |
| "" "-flto -O2" \ |
| {lto-7a.c lto-7b.c lto-7c.c} {} ""] \ |
| [list "Build liblto-7.so" \ |
| "-shared" "-O2 -fpic" \ |
| {lto-7d.c} {} "liblto-7.so" "c"] \ |
| [list "Compile 8a" \ |
| "" "-O2" \ |
| {lto-8a.c} {} ""] \ |
| [list "Compile 8b" \ |
| "" "-flto -O2" \ |
| {lto-8b.c} {} ""] \ |
| [list "Build liblto-17a.so" \ |
| "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto" \ |
| {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"] \ |
| [list "Build liblto-17b.so 1" \ |
| "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \ |
| {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"] \ |
| [list "Build liblto-17b.so 2" \ |
| "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \ |
| {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"] \ |
| [list "PR ld/12982" \ |
| "-O2 -flto -fuse-linker-plugin" "-O2 -flto" \ |
| {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"] \ |
| [list "PR ld/12975" \ |
| "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto" \ |
| {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"] \ |
| [list "PR ld/13229" \ |
| "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto" \ |
| {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"] \ |
| [list "PR ld/13244" \ |
| "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto" \ |
| {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"] \ |
| [list "Build libpr15146a.a" \ |
| "$plug_opt" "-flto -O2" \ |
| {pr15146a.c} {} "lib15146a.a"] \ |
| [list "Build pr15146b.so" \ |
| "-shared" "-O2 -fpic" \ |
| {pr15146b.c} {} "pr15146b.so" "c"] \ |
| [list "Build pr15146c.so" \ |
| "-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic" \ |
| {pr15146c.c} {} "pr15146c.so" "c"] \ |
| [list "PR ld/15146 (1)" \ |
| "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" "" \ |
| {dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"] \ |
| [list "Build libpr15146d.a" \ |
| "$plug_opt" "-flto -O2" \ |
| {pr15146d.c} {} "lib15146d.a"] \ |
| [list "Build libpr16746a.a" \ |
| "" "" \ |
| {pr16746a.c pr16746b.c} {} "lib15146a.a"] \ |
| [list "Build libpr16746b.a" \ |
| "$plug_opt" "-O2 -flto" \ |
| {pr16746c.c pr16746d.c} {} "lib15146b.a"] \ |
| [list "PR ld/16746 (1)" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/pr16746a.o tmpdir/pr16746c.o" "-O2 -flto" \ |
| {dummy.c} {} "pr16746a.exe"] \ |
| [list "PR ld/16746 (2)" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \ |
| {dummy.c} {} "pr16746b.exe"] \ |
| ] |
| |
| # Check final symbols in executables. |
| set lto_link_symbol_tests [list \ |
| [list "LTO 3 symbol" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \ |
| {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"] \ |
| [list "LTO 5 symbol" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \ |
| {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"] \ |
| [list "LTO 9 symbol" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" "" \ |
| {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"] \ |
| [list "LTO 16a symbol" \ |
| "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto" \ |
| {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"] \ |
| [list "LTO 16b symbol" \ |
| "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto" \ |
| {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"] \ |
| [list "PR ld/13183" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" "" \ |
| {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"] \ |
| ] |
| |
| # LTO run-time tests. |
| set lto_run_tests [list \ |
| [list "LTO 3a" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \ |
| {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"] \ |
| [list "LTO 3b" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" "" \ |
| {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"] \ |
| [list "LTO 3c" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \ |
| {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \ |
| [list "LTO 5" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \ |
| {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \ |
| [list "LTO 11" \ |
| "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \ |
| {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \ |
| [list "LTO 12a" \ |
| "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" "" \ |
| {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"] \ |
| [list "LTO 12b" \ |
| "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" "" \ |
| {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"] \ |
| [list "LTO 13" \ |
| "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" "" \ |
| {dummy.c} "lto-13.exe" "lto-13.out" "" "c"] \ |
| [list "LTO 14" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" "" \ |
| {dummy.c} "lto-14.exe" "lto-14.out" "" "c"] \ |
| [list "LTO 15" \ |
| "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" "" \ |
| {dummy.c} "lto-15.exe" "lto-15.out" "" "c"] \ |
| [list "PR ld/13066" \ |
| "-O2 -flto -fuse-linker-plugin" "" \ |
| {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"] \ |
| [list "PR ld/13201" \ |
| "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" "" \ |
| {dummy.c} "pr13201.exe" "pr13201.out" "" "c"] \ |
| [list "PR ld/15323" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" "" \ |
| {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"] \ |
| ] |
| |
| if { [at_least_gcc_version 4 7] } { |
| set lto_run_tests [concat $lto_run_tests [list \ |
| [list "PR ld/12942 (1)" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" "" \ |
| {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"] \ |
| [list "PR ld/12942 (2)" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" "" \ |
| {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"] \ |
| ]] |
| } |
| |
| # LTO run-time tests for ELF |
| set lto_run_elf_tests [list \ |
| [list "LTO 7" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o -Wl,--no-as-needed tmpdir/liblto-7.so" "" \ |
| {dummy.c} "lto-7.exe" "lto-7.out" "" "c"] \ |
| [list "LTO 8" \ |
| "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" "" \ |
| {dummy.c} "lto-8.exe" "lto-8.out" "" "c"] \ |
| [list "LTO TLS IE" \ |
| "-O2 -flto -fuse-linker-plugin" "" \ |
| {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"] \ |
| ] |
| |
| run_cc_link_tests $lto_link_tests |
| |
| # Restrict these to ELF targets that support shared libs and PIC. |
| if { [is_elf_format] && [check_lto_shared_available] } { |
| run_cc_link_tests $lto_link_elf_tests |
| set testname "PR ld/15146 (2)" |
| set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"] |
| if { [ regexp "undefined reference to symbol 'xxx'" $exec_output ] } { |
| pass $testname |
| } { |
| fail $testname |
| } |
| set testname "PR ld/16746 (3)" |
| set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746b.o tmpdir/pr16746d.o"] |
| if { [ regexp "warning: foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } { |
| pass $testname |
| } { |
| fail $testname |
| } |
| set testname "PR ld/16746 (4)" |
| set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746d.o tmpdir/pr16746b.o"] |
| if { [ regexp "warning: foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } { |
| pass $testname |
| } { |
| fail $testname |
| } |
| } |
| |
| set testname "Build liblto-11.a" |
| remote_file host delete "tmpdir/liblto-11.a" |
| set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"] |
| if {![string match "" $catch_output]} { |
| unresolved $testname |
| restore_notify |
| return |
| } |
| |
| if { [at_least_gcc_version 4 7] } { |
| # Check expected LTO linker errors. |
| set testname "PR ld/12942 (3)" |
| set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"] |
| if { [ regexp "undefined reference to `link_error\\(\\)'" $exec_output ] } { |
| pass $testname |
| } { |
| fail $testname |
| } |
| } |
| |
| # Run "ld -r" to generate inputs for complex LTO tests. |
| run_dump_test "lto-3r" |
| remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o" |
| run_dump_test "lto-5r" |
| remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o" |
| |
| run_cc_link_tests $lto_link_symbol_tests |
| |
| # The following tests require running the executable generated by ld. |
| if ![isnative] { |
| return |
| } |
| |
| run_ld_link_exec_tests [] $lto_run_tests |
| |
| if { [is_elf_format] } { |
| run_ld_link_exec_tests [] $lto_run_elf_tests |
| } |
| |
| restore_notify |