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| author | Brad Smith <brad@comstyle.com> | 2014-06-24 19:51:29 +0000 |
|---|---|---|
| committer | Brad Smith <brad@comstyle.com> | 2014-06-24 19:51:29 +0000 |
| commit | 966b78f470606a5c7cb8e810d4aeeffe62f49979 (patch) | |
| tree | 32edfa5b330b478edeef5e802f008ac6235d8196 | |
| parent | cd6ef194d0ede7c4cb23667d7cba19f0425183a6 (diff) | |
| download | clang-966b78f470606a5c7cb8e810d4aeeffe62f49979.tar.gz clang-966b78f470606a5c7cb8e810d4aeeffe62f49979.tar.bz2 clang-966b78f470606a5c7cb8e810d4aeeffe62f49979.tar.xz | |
Use appropriate default PIE settings for OpenBSD.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211624 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Driver/Tools.cpp | 21 | ||||
| -rw-r--r-- | test/Driver/pic.c | 10 |
2 files changed, 31 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index cbc6f2dd85..1488dc6955 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -2432,6 +2432,27 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } } + // OpenBSD-specific defaults for PIE + if (getToolChain().getTriple().getOS() == llvm::Triple::OpenBSD) { + switch (getToolChain().getTriple().getArch()) { + case llvm::Triple::mips64: + case llvm::Triple::mips64el: + case llvm::Triple::sparc: + case llvm::Triple::x86: + case llvm::Triple::x86_64: + IsPICLevelTwo = false; // "-fpie" + break; + + case llvm::Triple::ppc: + case llvm::Triple::sparcv9: + IsPICLevelTwo = true; // "-fPIE" + break; + + default: + break; + } + } + // For the PIC and PIE flag options, this logic is different from the // legacy logic in very old versions of GCC, as that logic was just // a bug no one had ever fixed. This logic is both more rational and diff --git a/test/Driver/pic.c b/test/Driver/pic.c index c3b2bbe32f..3629cc4735 100644 --- a/test/Driver/pic.c +++ b/test/Driver/pic.c @@ -201,7 +201,17 @@ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC // // On OpenBSD, PIE is enabled by default, but can be disabled. +// RUN: %clang -c %s -target amd64-pc-openbsd -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 // RUN: %clang -c %s -target i386-pc-openbsd -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 +// RUN: %clang -c %s -target mips64-unknown-openbsd -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 +// RUN: %clang -c %s -target mips64el-unknown-openbsd -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 +// RUN: %clang -c %s -target powerpc-unknown-openbsd -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE2 +// RUN: %clang -c %s -target sparc64-unknown-openbsd -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIE2 // RUN: %clang -c %s -target i386-pc-openbsd -fno-pie -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC |