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authorH.J. Lu <hjl.tools@gmail.com>2018-12-07 15:39:49 -0800
committerH.J. Lu <hjl.tools@gmail.com>2018-12-07 15:40:02 -0800
commitfbcc8bafeb413a111cd3caab39b3ab57d5b8ce93 (patch)
tree4437adb9b4b852c95fdf3f3b1a841bf3d7ea6a96 /ld
parentd9c859da9fff9de47a33f52d75a6fef2495b3fc1 (diff)
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Override the previous definition from IR object
Mark the previous definition from IR object as undefined so that the generic linker will override it. bfd/ PR ld/23958 * elflink.c (_bfd_elf_add_default_symbol): Override the previous definition from IR object. ld/ PR ld/23958 * testsuite/ld-plugin/lto.exp: Run PR ld/23958 test. * testsuite/ld-plugin/pr23958.c: New file. * testsuite/ld-plugin/pr23958.t: Likewise.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog7
-rw-r--r--ld/testsuite/ld-plugin/lto.exp6
-rw-r--r--ld/testsuite/ld-plugin/pr23958.c6
-rw-r--r--ld/testsuite/ld-plugin/pr23958.t4
4 files changed, 23 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index c8c48c5..75c9c7d 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,12 @@
2018-12-07 H.J. Lu <hongjiu.lu@intel.com>
+ PR ld/23958
+ * testsuite/ld-plugin/lto.exp: Run PR ld/23958 test.
+ * testsuite/ld-plugin/pr23958.c: New file.
+ * testsuite/ld-plugin/pr23958.t: Likewise.
+
+2018-12-07 H.J. Lu <hongjiu.lu@intel.com>
+
* NEWS: Updated for property change report.
* ld.texi: Document property change report.
* ldmain.c (main): Set link_info.has_map_file to TRUE when
diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index 008bde7..b56bd63 100644
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -225,6 +225,12 @@ set lto_link_tests [list \
{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] } {
diff --git a/ld/testsuite/ld-plugin/pr23958.c b/ld/testsuite/ld-plugin/pr23958.c
new file mode 100644
index 0000000..656dc31
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr23958.c
@@ -0,0 +1,6 @@
+void
+dwarf_bytesize (void)
+{
+}
+
+asm (".symver dwarf_bytesize,dwarf_bytesize@@@ELFUTILS_0.143");
diff --git a/ld/testsuite/ld-plugin/pr23958.t b/ld/testsuite/ld-plugin/pr23958.t
new file mode 100644
index 0000000..d3af1ae
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr23958.t
@@ -0,0 +1,4 @@
+ELFUTILS_0.143 {
+global:
+ dwarf_bytesize;
+};