Don't complain undefined weak dynamic reference

[deliverable/binutils-gdb.git] / ld / testsuite / ld-plugin / lto.exp

diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index 70274b371229d6fa0c0482695eca2af2d88b9fb8..e913c6f203de1a305116ebafea89505c12a343a8 100644 (file)
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -1,5 +1,5 @@
 # Expect script for ld-plugin LTO tests
-#   Copyright (C) 2011-2018 Free Software Foundation, Inc.
+#   Copyright (C) 2011-2019 Free Software Foundation, Inc.
 #
 # This file is part of the GNU Binutils.
 #
@@ -19,7 +19,7 @@
 # MA 02110-1301, USA.
 
 # Check to see if the C and C++ compilers work
-if { [which $CC] == 0 || [which $CXX] == 0 } {
+if { ![check_compiler_available] || [which $CXX] == 0 } {
     return
 }
 
@@ -219,6 +219,21 @@ set lto_link_tests [list \
   [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"] \
+  [list "Build pr24406-2b.o" \
+   "" "-O2 -fno-lto" \
+   {pr24406-2b.c}] \
 ]
 
 if { [at_least_gcc_version 4 7] } {
@@ -242,6 +257,10 @@ 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.
@@ -258,9 +277,6 @@ 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"] \
@@ -309,6 +325,18 @@ set lto_link_elf_tests [list \
   [list {Build pr22220main.o} \
    {} {-flto} \
    {pr22220main.cc} {} {} {c++}] \
+  [list "Build pr24486a.o" \
+   "$plug_opt" "-flto -O2" \
+   {pr24486a.c} {} "" "c"] \
+  [list "Build pr24486b.so" \
+   "-shared" "-O2 -fpic" \
+   {pr24486b.c} {} "pr24486b.so" "c"] \
+  [list "Build pr24486c.so" \
+   "-shared -Wl,--no-as-needed tmpdir/pr24486b.so" "-O2 -fpic" \
+   {pr24486c.c} {} "pr24486c.so" "c"] \
+  [list "PR ld/24486" \
+   "-O2 -flto tmpdir/pr24486a.o tmpdir/pr24486c.so -Wl,--as-needed tmpdir/pr24486b.so" "" \
+   {dummy.c} {} "pr24486.exe"] \
 ]
 
 # PR 14918 checks that libgcc is not spuriously included in a shared link of
@@ -324,6 +352,18 @@ 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" \
@@ -409,6 +449,15 @@ set lto_run_tests [list \
    "-O2 -flto" "" \
    {dummy.c} "pr22751" "pass.out" "-flto -O2" "c" "" \
    "-Wl,--whole-archive tmpdir/pr22751.a -Wl,--no-whole-archive"] \
+  [list "Run pr24406-1" \
+   "-O2 -flto" "" \
+   {pr24406-1.c} "pr24406-1" "pass.out" "-flto -O2" "c" "" \
+   "-Wl,--wrap=read"] \
+  [list "Run pr24406-2" \
+   "-O2 -flto" "" \
+   {pr24406-2a.c} "pr24406-2" "pass.out" \
+   "-flto -O2" "c" "" \
+   "tmpdir/pr24406-2b.o -Wl,--wrap=cook"] \
 ]
 
 if { [at_least_gcc_version 4 7] } {
@@ -502,6 +551,7 @@ if { [at_least_gcc_version 4 7] } {
           || [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.
@@ -552,6 +602,32 @@ 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.