Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
Args.AddLastArg(CmdArgs, options::OPT_Z_Flag);
+ // Add asan_dynamic as the first import lib before other libs. This allows
+ // asan to be initialized as early as possible to increase its instrumentation
+ // coverage to include other user DLLs which has not been built with asan.
+ if (Sanitize.needsAsanRt() && !Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // MinGW always links against a shared MSVCRT.
+ CmdArgs.push_back(
+ TC.getCompilerRTArgString(Args, "asan_dynamic", ToolChain::FT_Shared));
+ }
+
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) {
CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o")));
-// RUN: %clang -target i686-windows-gnu %s -### -fsanitize=address 2>&1 | FileCheck --check-prefix=ASAN-I686 %s
-// ASAN-I686: "{{.*}}libclang_rt.asan_dynamic-i386.dll.a"
-// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-i386.a"
-// ASAN-I686: "--require-defined" "___asan_seh_interceptor"
-// ASAN-I686: "--whole-archive" "{{.*}}libclang_rt.asan_dynamic_runtime_thunk-i386.a" "--no-whole-archive"
-
-// RUN: %clang -target x86_64-windows-gnu %s -### -fsanitize=address 2>&1 | FileCheck --check-prefix=ASAN-X86_64 %s
-// ASAN-X86_64: "{{.*}}libclang_rt.asan_dynamic-x86_64.dll.a"
+// RUN: touch %t.a
+// RUN: %clang -target i686-windows-gnu %s -### -fsanitize=address -lcomponent %/t.a 2>&1 | FileCheck --check-prefixes=ASAN-ALL,ASAN-I686 -DINPUT=%/t.a %s
+// RUN: %clang -target x86_64-windows-gnu %s -### -fsanitize=address -lcomponent %/t.a 2>&1 | FileCheck --check-prefixes=ASAN-ALL,ASAN-X86_64 -DINPUT=%/t.a %s
+//
+// ASAN-ALL-NOT:"-l{{[^"]+"]}}"
+// ASAN-ALL-NOT:"[[INPUT]]"
+// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic-i386.dll.a"
+// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic-x86_64.dll.a"
+// ASAN-ALL: "-lcomponent"
+// ASAN-ALL: "[[INPUT]]"
+// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic-i386.dll.a"
+// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-i386.a"
+// ASAN-I686: "--require-defined" "___asan_seh_interceptor"
+// ASAN-I686: "--whole-archive" "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-i386.a" "--no-whole-archive"
+// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic-x86_64.dll.a"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-x86_64.a"
// ASAN-X86_64: "--require-defined" "__asan_seh_interceptor"
-// ASAN-X86_64: "--whole-archive" "{{.*}}libclang_rt.asan_dynamic_runtime_thunk-x86_64.a" "--no-whole-archive"
+// ASAN-X86_64: "--whole-archive" "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-x86_64.a" "--no-whole-archive"
// RUN: %clang -target x86_64-windows-gnu %s -### -fsanitize=vptr