New patch uploaded. PTAL.
http://reviews.llvm.org/D10739
Files:
lib/Basic/Targets.cpp
lib/CodeGen/TargetInfo.cpp
lib/Driver/ToolChains.cpp
lib/Driver/ToolChains.h
lib/Driver/Tools.cpp
EMAIL PREFERENCES
http://reviews.llvm.org/settings/panel/emailpreferences/
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -6625,6 +6625,19 @@
NumAliases = 0;
}
+// We attempt to use PNaCl (le32) frontend and Mips32EL backend.
+class NaClMips32ELTargetInfo : public Mips32ELTargetInfo {
+public:
+ NaClMips32ELTargetInfo(const llvm::Triple &Triple) :
+ Mips32ELTargetInfo(Triple) {
+ MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 0;
+ }
+
+ BuiltinVaListKind getBuiltinVaListKind() const override {
+ return TargetInfo::PNaClABIBuiltinVaList;
+ }
+};
+
class Le64TargetInfo : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
@@ -6995,7 +7008,7 @@
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<Mips32ELTargetInfo>(Triple);
case llvm::Triple::NaCl:
- return new NaClTargetInfo<Mips32ELTargetInfo>(Triple);
+ return new NaClTargetInfo<NaClMips32ELTargetInfo>(Triple);
default:
return new Mips32ELTargetInfo(Triple);
}
Index: lib/CodeGen/TargetInfo.cpp
===================================================================
--- lib/CodeGen/TargetInfo.cpp
+++ lib/CodeGen/TargetInfo.cpp
@@ -7125,6 +7125,8 @@
return *(TheTargetCodeGenInfo = new PNaClTargetCodeGenInfo(Types));
case llvm::Triple::mips:
case llvm::Triple::mipsel:
+ if (Triple.getOS() == llvm::Triple::NaCl)
+ return *(TheTargetCodeGenInfo = new PNaClTargetCodeGenInfo(Types));
return *(TheTargetCodeGenInfo = new MIPSTargetCodeGenInfo(Types, true));
case llvm::Triple::mips64:
Index: lib/Driver/ToolChains.cpp
===================================================================
--- lib/Driver/ToolChains.cpp
+++ lib/Driver/ToolChains.cpp
@@ -2385,6 +2385,13 @@
file_paths.push_back(ToolPath + "arm-nacl");
break;
}
+ case llvm::Triple::mipsel: {
+ file_paths.push_back(FilePath + "mipsel-nacl/lib");
+ file_paths.push_back(FilePath + "mipsel-nacl/usr/lib");
+ prog_paths.push_back(ProgPath + "bin");
+ file_paths.push_back(ToolPath + "mipsel-nacl");
+ break;
+ }
default:
break;
}
@@ -2420,6 +2427,9 @@
case llvm::Triple::x86_64:
llvm::sys::path::append(P, "x86_64-nacl/usr/include");
break;
+ case llvm::Triple::mipsel:
+ llvm::sys::path::append(P, "mipsel-nacl/usr/include");
+ break;
default:
return;
}
@@ -2464,6 +2474,10 @@
llvm::sys::path::append(P, "x86_64-nacl/include/c++/v1");
addSystemInclude(DriverArgs, CC1Args, P.str());
break;
+ case llvm::Triple::mipsel:
+ llvm::sys::path::append(P, "mipsel-nacl/include/c++/v1");
+ addSystemInclude(DriverArgs, CC1Args, P.str());
+ break;
default:
break;
}
Index: lib/Driver/ToolChains.h
===================================================================
--- lib/Driver/ToolChains.h
+++ lib/Driver/ToolChains.h
@@ -743,7 +743,9 @@
llvm::opt::ArgStringList &CmdArgs) const override;
bool
- IsIntegratedAssemblerDefault() const override { return false; }
+ IsIntegratedAssemblerDefault() const override {
+ return getTriple().getArch() == llvm::Triple::mipsel;
+ }
// Get the path to the file containing NaCl's ARM macros. It lives in NaCl_TC
// because the AssembleARM tool needs a const char * that it can pass around
Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -8252,6 +8252,8 @@
CmdArgs.push_back("armelf_nacl");
else if (Arch == llvm::Triple::x86_64)
CmdArgs.push_back("elf_x86_64_nacl");
+ else if (Arch == llvm::Triple::mipsel)
+ CmdArgs.push_back("mipselelf_nacl");
else
D.Diag(diag::err_target_unsupported_arch) << ToolChain.getArchName()
<< "Native Client";
@@ -8315,6 +8317,13 @@
if (Args.hasArg(options::OPT_pthread) ||
Args.hasArg(options::OPT_pthreads) ||
D.CCCIsCXX()) {
+ // Gold, used by Mips, handles nested groups differently than ld, and
+ // without '-lnacl' it prefers symbols from libpthread.a over libnacl.a,
+ // which is not a desired behaviour here.
+ // See https://sourceware.org/ml/binutils/2015-03/msg00034.html
+ if (getToolChain().getArch() == llvm::Triple::mipsel)
+ CmdArgs.push_back("-lnacl");
+
CmdArgs.push_back("-lpthread");
}
@@ -8325,6 +8334,13 @@
else
CmdArgs.push_back("-lgcc_s");
CmdArgs.push_back("--no-as-needed");
+
+ // Mips needs to create and use pnacl_legacy library that contains
+ // definitions from bitcode/pnaclmm.c and definitions for
+ // __nacl_tp_tls_offset() and __nacl_tp_tdb_offset().
+ if (getToolChain().getArch() == llvm::Triple::mipsel)
+ CmdArgs.push_back("-lpnacl_legacy");
+
CmdArgs.push_back("--end-group");
}
_______________________________________________
cfe-commits mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
