Commit 63776766 authored by Sid Manning's avatar Sid Manning
Browse files

Add default paths to support musl target 

Pickup the default crt and libs when the target is musl.

Differential Revision: https://reviews.llvm.org/D75139
parent e392dcd5

clang/lib/Driver/ToolChains/Hexagon.cpp

+27 −4
Original line number Diff line number Diff line
@@ -264,18 +264,41 @@ constructHexagonLinkArgs(Compilation &C, const JobAction &JA, 
    UseG0 = G.getValue() == 0;

  }



  //----------------------------------------------------------------------------

  //

  //----------------------------------------------------------------------------

  CmdArgs.push_back("-o");

  CmdArgs.push_back(Output.getFilename());



  if (HTC.getTriple().isMusl()) {

    if (!Args.hasArg(options::OPT_shared, options::OPT_static))

      CmdArgs.push_back("-dynamic-linker=/lib/ld-musl-hexagon.so.1");



    if (!Args.hasArg(options::OPT_shared,

                     options::OPT_nostartfiles,

                     options::OPT_nostdlib))

      CmdArgs.push_back(Args.MakeArgString(D.SysRoot + "/lib/crt1.o"));

    else if (Args.hasArg(options::OPT_shared) &&

             !Args.hasArg(options::OPT_nostartfiles, options::OPT_nostdlib))

      CmdArgs.push_back(Args.MakeArgString(D.SysRoot + "/lib/Scrt1.o"));



    CmdArgs.push_back(

        Args.MakeArgString(StringRef("-L") + D.SysRoot + "/lib"));

    Args.AddAllArgs(CmdArgs,

                    {options::OPT_T_Group, options::OPT_e, options::OPT_s,

                     options::OPT_t, options::OPT_u_Group});

    AddLinkerInputs(HTC, Inputs, Args, CmdArgs, JA);



    if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {

      CmdArgs.push_back("-lclang_rt.builtins-hexagon");

      CmdArgs.push_back("-lc");

    }



    return;

  }



  //----------------------------------------------------------------------------

  // moslib

  //----------------------------------------------------------------------------

  std::vector<std::string> OsLibs;

  bool HasStandalone = false;



  for (const Arg *A : Args.filtered(options::OPT_moslib_EQ)) {

    A->claim();

    OsLibs.emplace_back(A->getValue());

clang/test/Driver/hexagon-toolchain-elf.c

+66 −0
Original line number Diff line number Diff line
@@ -597,3 +597,69 @@ 
// RUN:   %s 2>&1 \

// RUN:   | FileCheck -check-prefix=CHECK084 %s

// CHECK084:          "-fno-use-init-array"

// -----------------------------------------------------------------------------

// Passing --musl

// -----------------------------------------------------------------------------

// RUN: %clang -### -target hexagon-unknown-linux-musl \

// RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \

// RUN:   -mcpu=hexagonv60 \

// RUN:   --sysroot=/hexagon \

// RUN:   %s 2>&1 \

// RUN:   | FileCheck -check-prefix=CHECK085 %s

// CHECK085-NOT:  /hexagon{{/|\\\\}}lib{{/|\\\\}}Scrt1.o

// CHECK085:      "/hexagon{{/|\\\\}}lib{{/|\\\\}}crt1.o"

// CHECK085:      "-lclang_rt.builtins-hexagon" "-lc"

// CHECK085:      "-dynamic-linker={{/|\\\\}}lib{{/|\\\\}}ld-musl-hexagon.so.1"

// -----------------------------------------------------------------------------

// Passing --musl --shared

// -----------------------------------------------------------------------------

// RUN: %clang -### -target hexagon-unknown-linux-musl \

// RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \

// RUN:   -mcpu=hexagonv60 \

// RUN:   --sysroot=/hexagon -shared \

// RUN:   %s 2>&1 \

// RUN:   | FileCheck -check-prefix=CHECK086 %s

// CHECK086:        "/hexagon{{/|\\\\}}lib{{/|\\\\}}Scrt1.o"

// CHECK086:        "-lclang_rt.builtins-hexagon" "-lc"

// CHECK086-NOT:    /hexagon{{/|\\\\}}lib{{/|\\\\}}crt1.o

// CHECK086-NOT:    -dynamic-linker={{/|\\\\}}lib{{/|\\\\}}ld-musl-hexagon.so.1

// -----------------------------------------------------------------------------

// Passing --musl -nostdlib

// -----------------------------------------------------------------------------

// RUN: %clang -### -target hexagon-unknown-linux-musl \

// RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \

// RUN:   -mcpu=hexagonv60 \

// RUN:   --sysroot=/hexagon -nostdlib \

// RUN:   %s 2>&1 \

// RUN:   | FileCheck -check-prefix=CHECK087 %s

// CHECK087-NOT:   /hexagon{{/|\\\\}}lib{{/|\\\\}}Scrt1.o

// CHECK087-NOT:   /hexagon{{/|\\\\}}lib{{/|\\\\}}crt1.o

// CHECK087-NOT:   -lclang_rt.builtins-hexagon

// CHECK087-NOT:   -lc

// CHECK087:       "-dynamic-linker={{/|\\\\}}lib{{/|\\\\}}ld-musl-hexagon.so.1"

// -----------------------------------------------------------------------------

// Passing --musl -nostartfiles

// -----------------------------------------------------------------------------

// RUN: %clang -### -target hexagon-unknown-linux-musl \

// RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \

// RUN:   -mcpu=hexagonv60 \

// RUN:   --sysroot=/hexagon -nostartfiles \

// RUN:   %s 2>&1 \

// RUN:   | FileCheck -check-prefix=CHECK088 %s

// CHECK088-NOT:   /hexagon{{/|\\\\}}lib{{/|\\\\}}Scrt1.o

// CHECK088-NOT:   /hexagon{{/|\\\\}}lib{{/|\\\\}}crt1.o

// CHECK088:       "-lclang_rt.builtins-hexagon" "-lc"

// CHECK088:       "-dynamic-linker={{/|\\\\}}lib{{/|\\\\}}ld-musl-hexagon.so.1"

// -----------------------------------------------------------------------------

// Passing --musl -nodefaultlibs

// -----------------------------------------------------------------------------

// RUN: %clang -### -target hexagon-unknown-linux-musl \

// RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \

// RUN:   -mcpu=hexagonv60 \

// RUN:   --sysroot=/hexagon -nodefaultlibs \

// RUN:   %s 2>&1 \

// RUN:   | FileCheck -check-prefix=CHECK089 %s

// CHECK089:       "/hexagon{{/|\\\\}}lib{{/|\\\\}}crt1.o"

// CHECK089-NOT:   -lclang_rt.builtins-hexagon

// CHECK089-NOT:   -lc

// CHECK089:       "-dynamic-linker={{/|\\\\}}lib{{/|\\\\}}ld-musl-hexagon.so.1"