r316777 - [WebAssembly] Add crt1.o with calling lld
Sam Clegg via cfe-commits
cfe-commits at lists.llvm.org
Fri Oct 27 11:10:19 PDT 2017
Author: sbc
Date: Fri Oct 27 11:10:19 2017
New Revision: 316777
URL: http://llvm.org/viewvc/llvm-project?rev=316777&view=rev
Log:
[WebAssembly] Add crt1.o with calling lld
Also, for OS unknown targets like wasm, don't include
'unknown' in the library path. This is a fix for rL316719.
Differential Revision: https://reviews.llvm.org/D39354
Modified:
cfe/trunk/lib/Driver/ToolChain.cpp
cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp
cfe/trunk/test/Driver/wasm-toolchain.c
Modified: cfe/trunk/lib/Driver/ToolChain.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChain.cpp?rev=316777&r1=316776&r2=316777&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChain.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChain.cpp Fri Oct 27 11:10:19 2017
@@ -309,14 +309,12 @@ static StringRef getArchNameForCompilerR
std::string ToolChain::getCompilerRTPath() const {
SmallString<128> Path(getDriver().ResourceDir);
- StringRef OSLibName;
- if (Triple.isOSFreeBSD())
- OSLibName = "freebsd";
- else if (Triple.isOSBinFormatWasm())
- OSLibName = "wasm";
- else
- OSLibName = getOS();
- llvm::sys::path::append(Path, "lib", OSLibName);
+ if (Triple.isOSUnknown()) {
+ llvm::sys::path::append(Path, "lib");
+ } else {
+ StringRef OSLibName = Triple.isOSFreeBSD() ? "freebsd" : getOS();
+ llvm::sys::path::append(Path, "lib", OSLibName);
+ }
return Path.str();
}
Modified: cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp?rev=316777&r1=316776&r2=316777&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp Fri Oct 27 11:10:19 2017
@@ -49,6 +49,9 @@ void wasm::Linker::ConstructJob(Compilat
Args.AddAllArgs(CmdArgs, options::OPT_L);
ToolChain.AddFilePathLibArgs(Args, CmdArgs);
+ if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles))
+ CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt1.o")));
+
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
Modified: cfe/trunk/test/Driver/wasm-toolchain.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/wasm-toolchain.c?rev=316777&r1=316776&r2=316777&view=diff
==============================================================================
--- cfe/trunk/test/Driver/wasm-toolchain.c (original)
+++ cfe/trunk/test/Driver/wasm-toolchain.c Fri Oct 27 11:10:19 2017
@@ -27,10 +27,10 @@
// RUN: %clang -### -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo %s 2>&1 | FileCheck -check-prefix=LINK %s
// LINK: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
-// LINK: lld{{.*}}" "-flavor" "wasm" "-L/foo/lib" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
+// LINK: lld{{.*}}" "-flavor" "wasm" "-L/foo/lib" "crt1.o" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
// A basic C link command-line with optimization.
// RUN: %clang -### -O2 -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo %s 2>&1 | FileCheck -check-prefix=LINK_OPT %s
// LINK_OPT: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
-// LINK_OPT: lld{{.*}}" "-flavor" "wasm" "-L/foo/lib" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
+// LINK_OPT: lld{{.*}}" "-flavor" "wasm" "-L/foo/lib" "crt1.o" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "{{.*[/\\]}}libclang_rt.builtins-wasm32.a" "-o" "a.out"
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