[lld] r327124 - [lld-link] Add support for /ignore:4037.
Nico Weber via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 9 04:41:04 PST 2018
Author: nico
Date: Fri Mar 9 04:41:04 2018
New Revision: 327124
URL: http://llvm.org/viewvc/llvm-project?rev=327124&view=rev
Log:
[lld-link] Add support for /ignore:4037.
Fixes PR36657.
https://reviews.llvm.org/D44286
Modified:
lld/trunk/COFF/Config.h
lld/trunk/COFF/Driver.cpp
lld/trunk/test/COFF/order.test
Modified: lld/trunk/COFF/Config.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/COFF/Config.h?rev=327124&r1=327123&r2=327124&view=diff
==============================================================================
--- lld/trunk/COFF/Config.h (original)
+++ lld/trunk/COFF/Config.h Fri Mar 9 04:41:04 2018
@@ -187,6 +187,7 @@ struct Configuration {
bool HighEntropyVA = false;
bool AppContainer = false;
bool MinGW = false;
+ bool WarnMissingOrderSymbol = true;
bool WarnLocallyDefinedImported = true;
bool Incremental = true;
};
Modified: lld/trunk/COFF/Driver.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/COFF/Driver.cpp?rev=327124&r1=327123&r2=327124&view=diff
==============================================================================
--- lld/trunk/COFF/Driver.cpp (original)
+++ lld/trunk/COFF/Driver.cpp Fri Mar 9 04:41:04 2018
@@ -804,8 +804,10 @@ static void parseOrderFile(StringRef Arg
if (Config->Machine == I386 && !isDecorated(S))
S = "_" + S;
- if (Set.count(S) == 0)
- warn("/order:" + Arg + ": missing symbol: " + S);
+ if (Set.count(S) == 0) {
+ if (Config->WarnMissingOrderSymbol)
+ warn("/order:" + Arg + ": missing symbol: " + S);
+ }
else
Config->Order[S] = INT_MIN + Config->Order.size();
}
@@ -899,7 +901,9 @@ void LinkerDriver::link(ArrayRef<const c
// Handle /ignore
for (auto *Arg : Args.filtered(OPT_ignore)) {
- if (StringRef(Arg->getValue()) == "4217")
+ if (StringRef(Arg->getValue()) == "4037")
+ Config->WarnMissingOrderSymbol = false;
+ else if (StringRef(Arg->getValue()) == "4217")
Config->WarnLocallyDefinedImported = false;
// Other warning numbers are ignored.
}
Modified: lld/trunk/test/COFF/order.test
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/COFF/order.test?rev=327124&r1=327123&r2=327124&view=diff
==============================================================================
--- lld/trunk/test/COFF/order.test (original)
+++ lld/trunk/test/COFF/order.test Fri Mar 9 04:41:04 2018
@@ -16,7 +16,7 @@
# CHECK: unrelated2
# RUN: lld-link -entry:fn1 -subsystem:console -opt:noref -debug %t1.obj %t2.obj \
-# RUN: -lldmap:- -out:%t.exe | FileCheck -check-prefix=DEFAULT %s
+# RUN: -lldmap:- -ignore:4037 -out:%t.exe | FileCheck -check-prefix=DEFAULT %s
# DEFAULT: fn2
# DEFAULT: fn3
# DEFAULT: unrelated1
@@ -35,6 +35,13 @@
# WARN-NOT: f2
# WARN-NOT: f3
# WARN-NOT: f4
+# RUN: lld-link -entry:fn1 -subsystem:console -debug %t1.obj %t2.obj \
+# RUN: -out:%t.exe -order:@%t2.order -ignore:4037 2>&1 | \
+# RUN: FileCheck -allow-empty -check-prefix=NOWARN %s
+# NOWARN-NOT: warning: /order:{{.*}} missing symbol: foo
+# NOWARN-NOT: f2
+# NOWARN-NOT: f3
+# NOWARN-NOT: f4
--- !COFF
header:
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