r196630 - Pass correct flags to assembler and linker for OpenBSD on AMD64, PowerPC

Brad Smith brad at comstyle.com
Fri Dec 6 17:22:52 PST 2013


On 06/12/13 7:57 PM, Joerg Sonnenberger wrote:
> Author: joerg
> Date: Fri Dec  6 18:57:46 2013
> New Revision: 196630
>
> URL: http://llvm.org/viewvc/llvm-project?rev=196630&view=rev
> Log:
> Pass correct flags to assembler and linker for OpenBSD on AMD64, PowerPC
> and MIPS64. From Brad Smith.
>
> Modified:
>      cfe/trunk/lib/Driver/Tools.cpp
>      cfe/trunk/test/Driver/openbsd.c

Please commit this to the 3.4 branch.

> Modified: cfe/trunk/lib/Driver/Tools.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=196630&r1=196629&r2=196630&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/Tools.cpp (original)
> +++ cfe/trunk/lib/Driver/Tools.cpp Fri Dec  6 18:57:46 2013
> @@ -5430,6 +5430,40 @@ void openbsd::Assemble::ConstructJob(Com
>                                        const char *LinkingOutput) const {
>     ArgStringList CmdArgs;
>
> +  // When building 32-bit code on OpenBSD/amd64, we have to explicitly
> +  // instruct as in the base system to assemble 32-bit code.
> +  if (getToolChain().getArch() == llvm::Triple::x86)
> +    CmdArgs.push_back("--32");
> +  else if (getToolChain().getArch() == llvm::Triple::ppc) {
> +    CmdArgs.push_back("-mppc");
> +    CmdArgs.push_back("-many");
> +  } else if (getToolChain().getArch() == llvm::Triple::mips64 ||
> +             getToolChain().getArch() == llvm::Triple::mips64el) {
> +    StringRef CPUName;
> +    StringRef ABIName;
> +    getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
> +
> +    CmdArgs.push_back("-mabi");
> +    CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
> +
> +    if (getToolChain().getArch() == llvm::Triple::mips64)
> +      CmdArgs.push_back("-EB");
> +    else
> +      CmdArgs.push_back("-EL");
> +
> +    Arg *LastPICArg = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC,
> +                                      options::OPT_fpic, options::OPT_fno_pic,
> +                                      options::OPT_fPIE, options::OPT_fno_PIE,
> +                                      options::OPT_fpie, options::OPT_fno_pie);
> +    if (LastPICArg &&
> +        (LastPICArg->getOption().matches(options::OPT_fPIC) ||
> +         LastPICArg->getOption().matches(options::OPT_fpic) ||
> +         LastPICArg->getOption().matches(options::OPT_fPIE) ||
> +         LastPICArg->getOption().matches(options::OPT_fpie))) {
> +      CmdArgs.push_back("-KPIC");
> +    }
> +  }
> +
>     Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
>                          options::OPT_Xassembler);
>
> @@ -5463,6 +5497,11 @@ void openbsd::Link::ConstructJob(Compila
>     // handled somewhere else.
>     Args.ClaimAllArgs(options::OPT_w);
>
> +  if (getToolChain().getArch() == llvm::Triple::mips64)
> +    CmdArgs.push_back("-EB");
> +  else if (getToolChain().getArch() == llvm::Triple::mips64el)
> +    CmdArgs.push_back("-EL");
> +
>     if ((!Args.hasArg(options::OPT_nostdlib)) &&
>         (!Args.hasArg(options::OPT_shared))) {
>       CmdArgs.push_back("-e");
>
> Modified: cfe/trunk/test/Driver/openbsd.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/openbsd.c?rev=196630&r1=196629&r2=196630&view=diff
> ==============================================================================
> --- cfe/trunk/test/Driver/openbsd.c (original)
> +++ cfe/trunk/test/Driver/openbsd.c Fri Dec  6 18:57:46 2013
> @@ -17,6 +17,10 @@
>   // RUN:   | FileCheck --check-prefix=CHECK-LD-T %s
>   // RUN: %clang -no-canonical-prefixes -target i686-pc-openbsd -Z %s -### 2>&1 \
>   // RUN:   | FileCheck --check-prefix=CHECK-LD-Z %s
> +// RUN: %clang -no-canonical-prefixes -target mips64-unknown-openbsd %s -### 2>&1 \
> +// RUN:   | FileCheck --check-prefix=CHECK-MIPS64-LD %s
> +// RUN: %clang -no-canonical-prefixes -target mips64el-unknown-openbsd %s -### 2>&1 \
> +// RUN:   | FileCheck --check-prefix=CHECK-MIPS64EL-LD %s
>   // CHECK-LD-R: clang{{.*}}" "-cc1" "-triple" "i686-pc-openbsd"
>   // CHECK-LD-R: ld{{.*}}" "-e" "__start" "--eh-frame-hdr" "-Bdynamic" "-dynamic-linker" "{{.*}}ld.so" "-o" "a.out" "{{.*}}crt0.o" "{{.*}}crtbegin.o" "-L{{.*}}" "-r" "{{.*}}.o" "-lgcc" "-lc" "-lgcc" "{{.*}}crtend.o"
>   // CHECK-LD-S: clang{{.*}}" "-cc1" "-triple" "i686-pc-openbsd"
> @@ -25,3 +29,27 @@
>   // CHECK-LD-T: ld{{.*}}" "-e" "__start" "--eh-frame-hdr" "-Bdynamic" "-dynamic-linker" "{{.*}}ld.so" "-o" "a.out" "{{.*}}crt0.o" "{{.*}}crtbegin.o" "-L{{.*}}" "-t" "{{.*}}.o" "-lgcc" "-lc" "-lgcc" "{{.*}}crtend.o"
>   // CHECK-LD-Z: clang{{.*}}" "-cc1" "-triple" "i686-pc-openbsd"
>   // CHECK-LD-Z: ld{{.*}}" "-e" "__start" "--eh-frame-hdr" "-Bdynamic" "-dynamic-linker" "{{.*}}ld.so" "-o" "a.out" "{{.*}}crt0.o" "{{.*}}crtbegin.o" "-L{{.*}}" "-Z" "{{.*}}.o" "-lgcc" "-lc" "-lgcc" "{{.*}}crtend.o"
> +// CHECK-MIPS64-LD: clang{{.*}}" "-cc1" "-triple" "mips64-unknown-openbsd"
> +// CHECK-MIPS64-LD: ld{{.*}}" "-EB" "-e" "__start" "--eh-frame-hdr" "-Bdynamic" "-dynamic-linker" "{{.*}}ld.so" "-o" "a.out" "{{.*}}crt0.o" "{{.*}}crtbegin.o" "-L{{.*}}" "{{.*}}.o" "-lgcc" "-lc" "-lgcc" "{{.*}}crtend.o"
> +// CHECK-MIPS64EL-LD: clang{{.*}}" "-cc1" "-triple" "mips64el-unknown-openbsd"
> +// CHECK-MIPS64EL-LD: ld{{.*}}" "-EL" "-e" "__start" "--eh-frame-hdr" "-Bdynamic" "-dynamic-linker" "{{.*}}ld.so" "-o" "a.out" "{{.*}}crt0.o" "{{.*}}crtbegin.o" "-L{{.*}}" "{{.*}}.o" "-lgcc" "-lc" "-lgcc" "{{.*}}crtend.o"
> +
> +// Check passing options to the assembler for various OpenBSD targets
> +// RUN: %clang -target amd64-pc-openbsd -m32 -### -no-integrated-as -c %s 2>&1 \
> +// RUN:   | FileCheck -check-prefix=CHECK-AMD64-M32 %s
> +// RUN: %clang -target powerpc-unknown-openbsd -### -no-integrated-as -c %s 2>&1 \
> +// RUN:   | FileCheck -check-prefix=CHECK-POWERPC %s
> +// RUN: %clang -target mips64-unknown-openbsd -### -no-integrated-as -c %s 2>&1 \
> +// RUN:   | FileCheck -check-prefix=CHECK-MIPS64 %s
> +// RUN: %clang -target mips64-unknown-openbsd -fPIC -### -no-integrated-as -c %s 2>&1 \
> +// RUN:   | FileCheck -check-prefix=CHECK-MIPS64-PIC %s
> +// RUN: %clang -target mips64el-unknown-openbsd -### -no-integrated-as -c %s 2>&1 \
> +// RUN:   | FileCheck -check-prefix=CHECK-MIPS64EL %s
> +// RUN: %clang -target mips64el-unknown-openbsd -fPIC -### -no-integrated-as -c %s 2>&1 \
> +// RUN:   | FileCheck -check-prefix=CHECK-MIPS64EL-PIC %s
> +// CHECK-AMD64-M32: as{{.*}}" "--32"
> +// CHECK-POWERPC: as{{.*}}" "-mppc" "-many"
> +// CHECK-MIPS64: as{{.*}}" "-mabi" "64" "-EB"
> +// CHECK-MIPS64-PIC: as{{.*}}" "-mabi" "64" "-EB" "-KPIC"
> +// CHECK-MIPS64EL: as{{.*}}" "-mabi" "64" "-EL"
> +// CHECK-MIPS64EL-PIC: as{{.*}}" "-mabi" "64" "-EL" "-KPIC"
>
>
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