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authorH.J. Lu <hjl.tools@gmail.com>2020-07-22 03:49:07 -0700
committerH.J. Lu <hjl.tools@gmail.com>2020-07-22 03:49:17 -0700
commit0e6a3f07f50723d1831291492b96fdf74bcbdc11 (patch)
treea4b39ecfd8c04d2836ef2e5620e5e2169d65572c /include
parent1ad2776d3db6d82cb59cef1495642fc7fcd57ed5 (diff)
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ld: Properly override the IR definition
We change the previous definition in the IR object to undefweak only after all LTO symbols have been read. include/ PR ld/26262 PR ld/26267 * bfdlink.h (bfd_link_info): Add lto_all_symbols_read. ld/ PR ld/26262 PR ld/26267 * ldlang.c (lang_process): Set lto_all_symbols_read after all LTO IR symbols have been read. * plugin.c (plugin_notice): Override the IR definition only if all LTO IR symbols have been read or the new definition is non-weak and the the IR definition is weak * testsuite/ld-plugin/lto.exp: Run PR ld/26262 and ld/26267 tests. * testsuite/ld-plugin/pr26262a.c: New file. * testsuite/ld-plugin/pr26262b.c: Likewise. * testsuite/ld-plugin/pr26262c.c: Likewise. * testsuite/ld-plugin/pr26267.err: Likewise. * testsuite/ld-plugin/pr26267a.c: Likewise. * testsuite/ld-plugin/pr26267b.c: Likewise. * testsuite/ld-plugin/pr26267c.c: Likewise.
Diffstat (limited to 'include')
-rw-r--r--include/ChangeLog6
-rw-r--r--include/bfdlink.h3
2 files changed, 9 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index 6a69a74..211d545 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,9 @@
+2020-07-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/26262
+ PR ld/26267
+ * bfdlink.h (bfd_link_info): Add lto_all_symbols_read.
+
2020-07-11 H.J. Lu <hongjiu.lu@intel.com>
* elf/common.h (GNU_PROPERTY_X86_FEATURE_2_TMM): New.
diff --git a/include/bfdlink.h b/include/bfdlink.h
index 7163433..3badfbdb 100644
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -361,6 +361,9 @@ struct bfd_link_info
/* TRUE if the LTO plugin is active. */
unsigned int lto_plugin_active: 1;
+ /* TRUE if all LTO IR symbols have been read. */
+ unsigned int lto_all_symbols_read : 1;
+
/* TRUE if global symbols in discarded sections should be stripped. */
unsigned int strip_discarded: 1;