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Add the _CALL_LINUX preprocessor define for ppc linux platforms. 

This typically is only for a new enough linker (bfd >= 2.16.2 or gold), but
our ppc suppport post-dates this and it should work on all linux platforms. It
is guaranteed to work on all elfv2 platforms.

llvm-svn: 298765
This commit is contained in:
Eric Christopher 2017-03-25 03:33:59 +00:00
parent b73d43521f
commit 2fd2eda0ac
2 changed files with 12 additions and 0 deletions
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6
clang/lib/Basic/Targets.cpp
View File

@ -1237,6 +1237,12 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
if (ABI == "elfv2")
Builder.defineMacro("_CALL_ELF", "2");
// This typically is only for a new enough linker (bfd >= 2.16.2 or gold), but
// our suppport post-dates this and it should work on all linux platforms. It
// is guaranteed to work on all elfv2 platforms.
if (getTriple().getOS() == llvm::Triple::Linux)
Builder.defineMacro("_CALL_LINUX", "1");
// Subtarget options.
Builder.defineMacro("__NATURAL_ALIGNMENT__");
Builder.defineMacro("__REGISTER_PREFIX__", "");

6
clang/test/Preprocessor/init.c
View File

@ -6144,6 +6144,7 @@
// PPC64-LINUX:#define _ARCH_PPC 1
// PPC64-LINUX:#define _ARCH_PPC64 1
// PPC64-LINUX:#define _BIG_ENDIAN 1
// PPC64-LINUX:#define _CALL_LINUX 1
// PPC64-LINUX:#define _LP64 1
// PPC64-LINUX:#define __BIGGEST_ALIGNMENT__ 16
// PPC64-LINUX:#define __BIG_ENDIAN__ 1
@ -6346,6 +6347,11 @@
// PPC64-ELFv1:#define _CALL_ELF 1
// PPC64-ELFv2:#define _CALL_ELF 2
//
// Most of this is encompassed in other places.
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64le-unknown-linux-gnu -target-abi elfv2 < /dev/null | FileCheck -match-full-lines -check-prefix PPC64LE-LINUX %s
//
// PPC64LE-LINUX:#define _CALL_LINUX 1
//
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-none-none -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC %s
//
// PPC:#define _ARCH_PPC 1