[PATCH] D16469: Pass --wrap=pthread_create to linker for -fsplit-stack

[H.J Lu via cfe-commits]

hjl.tools updated this revision to Diff 45735.
hjl.tools added a comment.

Add a testcase.


http://reviews.llvm.org/D16469

Files:
  lib/Driver/Tools.cpp
  test/Driver/split-stack-ld.c

Index: test/Driver/split-stack-ld.c
===================================================================
--- /dev/null
+++ test/Driver/split-stack-ld.c
@@ -0,0 +1,17 @@
+// Test split stack ld flags.
+//
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target i386-unknown-linux -fsplit-stack \
+// RUN:     -resource-dir=%S/Inputs/resource_dir \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-LINUX-I386 %s
+//
+// CHECK-LINUX-I386: "--wrap=pthread_create"
+//
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target x86_64-unknown-linux -fsplit-stack \
+// RUN:     -resource-dir=%S/Inputs/resource_dir \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-LINUX-X86-64 %s
+//
+// CHECK-LINUX-X86-64: "--wrap=pthread_create"
Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -9001,6 +9001,9 @@
       if (WantPthread && !isAndroid)
         CmdArgs.push_back("-lpthread");
 
+      if (Args.hasArg(options::OPT_fsplit_stack))
+        CmdArgs.push_back("--wrap=pthread_create");
+
       CmdArgs.push_back("-lc");
 
       if (Args.hasArg(options::OPT_static))


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