[PATCH] D118184: [ASan] Not lininking asan_static library for DSO.
Kirill Stoimenov via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Jan 25 13:36:39 PST 2022
kstoimenov created this revision.
kstoimenov requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Whithout this change DSOs fail to link because of missing asan_report_(load|store)n functions.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D118184
Files:
clang/lib/Driver/ToolChains/CommonArgs.cpp
Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -826,16 +826,16 @@
if (SanArgs.needsStatsRt() && SanArgs.linkRuntimes())
StaticRuntimes.push_back("stats_client");
- // Always link the static runtime regardless of DSO or executable.
- if (SanArgs.needsAsanRt())
- HelperStaticRuntimes.push_back("asan_static");
-
// Collect static runtimes.
if (Args.hasArg(options::OPT_shared)) {
// Don't link static runtimes into DSOs.
return;
}
+ // Always link the static runtime for executable.
+ if (SanArgs.needsAsanRt())
+ HelperStaticRuntimes.push_back("asan_static");
+
// Each static runtime that has a DSO counterpart above is excluded below,
// but runtimes that exist only as static are not affected by needsSharedRt.
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