Override the previous definition from IR object
[external/binutils.git] / ld / testsuite / ld-plugin / lto.exp
index d34479f..b56bd63 100644 (file)
@@ -1,5 +1,5 @@
 # Expect script for ld-plugin LTO tests
-#   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+#   Copyright (C) 2011-2018 Free Software Foundation, Inc.
 #
 # This file is part of the GNU Binutils.
 #
@@ -29,6 +29,8 @@ if { ![check_plugin_api_available]
     return
 }
 
+global INT128_CFLAGS
+
 global CFLAGS
 global CXXFLAGS
 set saved_CFLAGS "$CFLAGS"
@@ -208,6 +210,27 @@ set lto_link_tests [list \
    "-flto -Wl,-plugin,$plug_so" "-flto" \
    {pr20321.c} {{warning ".*: duplicated plugin"}} \
    "pr20321" "c"] \
+  [list "Build pr22502a.o" \
+   "" "" \
+   {pr22502a.c}] \
+  [list "Build pr22502b.o" \
+   "$plug_opt" "-flto $lto_no_fat" \
+   {pr22502b.c}] \
+  [list "Build pr22751.a" \
+   "$plug_opt" "-flto $lto_no_fat $INT128_CFLAGS" \
+   {pr22751.c} {} "pr22751.a"] \
+  [list "Build libpr23818.so" \
+   "-shared -flto -g -Wl,-version-script,pr23818.t" \
+   "-g -flto $lto_fat" \
+   {pr23818a.c pr23818b.c} \
+   {{"readelf" {-s --wide} "pr23818.d"}} \
+   "libpr23818.so"] \
+  [list "Build libpr23958.so" \
+   "-shared -flto -Wl,-version-script,pr23958.t" \
+   "-g -flto $lto_fat" \
+   {pr23958.c} \
+   "" \
+   "libpr23958.so"] \
 ]
 
 if { [at_least_gcc_version 4 7] } {
@@ -231,6 +254,10 @@ set lto_compile_elf_tests [list \
   [list "Compile 8b" \
    "" "-flto -O2" \
    {lto-8b.c} {} ""] \
+  [list "PR ld/23309" \
+   "-O2 -flto -fuse-linker-plugin -fvisibility=hidden -ffunction-sections -Wl,--gc-sections,-u,KeepMe" \
+   "-O2 -flto -fuse-linker-plugin -fvisibility=hidden -ffunction-sections" \
+   {pr23309.c} {{"nm" {} "pr23309.d"}} "pr23309.exe" "c"] \
 ]
 
 # Generate input files for complex LTO tests for ELF.
@@ -247,9 +274,6 @@ set lto_link_elf_tests [list \
   [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"] \
@@ -313,6 +337,18 @@ if { ! [istarget "arm*-*-*"] } {
   ]]
 }
 
+# PR 12982 checks that an executable stack is not created by default
+# when using the LTO plugin.  The HPPA target however requires an
+# executable stack for syscall restarts and signal returns, so we
+# skip this test for that target.
+if { ! [istarget "hppa*-*-*"] } {
+    set lto_link_elf_tests [concat $lto_link_elf_tests [list \
+  [list "PR ld/12982" \
+   "-O2 -flto -fuse-linker-plugin" "-O2 -flto" \
+   {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"] \
+  ]]
+}
+
 # Check final symbols in executables.
 set lto_link_symbol_tests [list \
   [list "LTO 3 symbol" \
@@ -391,6 +427,13 @@ set lto_run_tests [list \
   [list "Run pr20267b" \
    "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267b.a" "" \
    {dummy.c} "pr20267b" "pass.out" "-flto -O2" "c"] \
+  [list "Run pr22502" \
+   "-O2 -flto tmpdir/pr22502a.o tmpdir/pr22502b.o" "" \
+   {dummy.c} "pr20267" "pass.out" "-flto -O2" "c"] \
+  [list "Run pr22751" \
+   "-O2 -flto" "" \
+   {dummy.c} "pr22751" "pass.out" "-flto -O2" "c" "" \
+   "-Wl,--whole-archive tmpdir/pr22751.a -Wl,--no-whole-archive"] \
 ]
 
 if { [at_least_gcc_version 4 7] } {
@@ -476,15 +519,15 @@ if { [at_least_gcc_version 4 7] } {
     # Since the asm symbol name hack in pr12365b.c doesn't work on all
     # targets, run PR ld/12365 tests only for known targets.
     if { ([istarget "i?86-*-elf*"]
-          || (([istarget "i?86-*-linux*"] || [istarget "i?86-*-gnu*"])
-               && ![istarget "*-*-*aout*"]
-               && ![istarget "*-*-*oldld*"])
+          || [istarget "i?86-*-linux*"]
+          || [istarget "i?86-*-gnu*"]
           || [istarget "i?86-*-nacl*"]
           || [istarget "x86_64-*-nacl*"]
           || [istarget "x86_64-*-linux*"]
           || [istarget "amd64-*-linux*"]) } {
        set testname "PR ld/12365"
        set exec_output [run_host_cmd "$CC" "-O2 -flto -flto-partition=none -fuse-linker-plugin -o tmpdir/pr12365 tmpdir/pr12365a.o tmpdir/pr12365b.o tmpdir/pr12365c.o"]
+       set exec_output [prune_warnings $exec_output]
        if { [ regexp "undefined reference to `my_bcopy'" $exec_output ] } {
            # Linker should catch the reference to undefined `my_bcopy'
            # error caused by a GCC bug.
@@ -501,6 +544,32 @@ if { [at_least_gcc_version 4 7] } {
        } {
            fail $testname
        }
+
+       run_cc_link_tests [list \
+           [list \
+               "Build pr22721a.so" \
+               "-shared -nostdlib -nostartfiles -Wl,-version-script,pr22721.t" \
+               "" \
+               {pr22721a.s} \
+               {} \
+               "pr22721a.so" \
+           ] \
+           [list \
+               "Build pr22721b.o" \
+               "$plug_opt" \
+               "-O2 -fPIC -flto $lto_no_fat" \
+               {pr22721b.c} \
+           ] \
+           [list \
+               "Build PR ld/pr22721" \
+               "-O2 -flto -fuse-linker-plugin -nostdlib -nostartfiles \
+               -Wl,-e,_start tmpdir/pr22721b.o tmpdir/pr22721a.so" \
+               "" \
+               {dummy.c} \
+               {} \
+               "pr22721.exe"
+           ] \
+       ]
     }
     set testname "PR ld/12942 (3)"
     set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
@@ -509,6 +578,32 @@ if { [at_least_gcc_version 4 7] } {
     } {
         fail $testname
     }
+
+    run_cc_link_tests [list \
+       [list \
+           "Build pr23460*.o" \
+           "$plug_opt" \
+           "-O2 -fPIC -flto $lto_no_fat" \
+           {pr23460a.c pr23460b.c pr23460c.c \
+            pr23460d.c pr23460e.c pr23460f.c} \
+       ] \
+    ]
+    set exec_output [run_host_cmd "sh" \
+                                 "-c \"ulimit -n 16; \
+                                  $ar -rc $plug_opt \
+                                  tmpdir/libpr23460.a \
+                                  tmpdir/pr23460a.o \
+                                  tmpdir/pr23460b.o \
+                                  tmpdir/pr23460c.o \
+                                  tmpdir/pr23460d.o \
+                                  tmpdir/pr23460e.o \
+                                  tmpdir/pr23460f.o\""]
+    set exec_output [prune_warnings $exec_output]
+    if [string match "" $exec_output] then {
+       pass "PR binutils/23460"
+    } else {
+       fail "PR binutils/23460"
+    }
 }
 
 # Run "ld -r" to generate inputs for complex LTO tests.
@@ -529,6 +624,32 @@ run_ld_link_exec_tests $lto_run_tests
 
 if { [is_elf_format] } {
     run_ld_link_exec_tests $lto_run_elf_tests
+
+    # Note - it is not guaranteed that the ordering of symbols in the dynamic
+    # symbol table will match the ordering of the symbols specified by the
+    # --dynamic-list command line option.
+    #
+    # For PR22983 we want to make sure that all four symbols specified in
+    # pr222983.t are present in the output, but a simple sequences of regexps
+    # will not work as we do not know the order of the symbols.  (Readelf
+    # does not have a symbol sorting option and the run_cc_list_tests proc
+    # does not allow for the output of the dump program to piped into `sort`).
+    #
+    # So instead we run readelf four times, each time checking for the
+    # presence of a specific symbol from the pr22983.t file.
+    run_cc_link_tests [list \
+       [list \
+           "Build pr22983" \
+           "-Wl,--dynamic-list,pr22983.t" \
+           "-flto" \
+            {pr22983a.c pr22983b.c} \
+           {{readelf {--dyn-syms --wide} pr22983.1.d} \
+            {readelf {--dyn-syms --wide} pr22983.2.d} \
+            {readelf {--dyn-syms --wide} pr22983.3.d} \
+            {readelf {--dyn-syms --wide} pr22983.4.d}} \
+           "pr22983" \
+       ] \
+    ]
 }
 
 if { [is_elf_format] && [check_lto_shared_available] } {