[PowerPC64] Starting from FreeBSD 13.0, default to ELFv2 ABI
This changes the LLVM default powerpc64 ABI to ELFv2, if target OS is FreeBSD >= 13.0 This will also be sent upstream. Submitted by: alfredo.junior_eldorado.org.br Reviewed by: dim, luporl Relnotes: YES Differential Revision: https://reviews.freebsd.org/D20383
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=356112
@ -375,12 +375,29 @@ class LLVM_LIBRARY_VISIBILITY PPC64TargetInfo : public PPCTargetInfo {
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IntMaxType = SignedLong;
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Int64Type = SignedLong;
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if (Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) {
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switch (Triple.getEnvironment()){
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case llvm::Triple::ELFv1:
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ABI = "elfv1";
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break;
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default:
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ABI = "elfv2";
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break;
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}
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} else {
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if ((Triple.getOS() == llvm::Triple::FreeBSD) &&
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(Triple.getOSMajorVersion() < 13)) {
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ABI = "elfv1";
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} else {
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ABI = "elfv2";
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}
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}
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if ((Triple.getArch() == llvm::Triple::ppc64le)) {
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resetDataLayout("e-m:e-i64:64-n32:64");
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ABI = "elfv2";
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} else {
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resetDataLayout("E-m:e-i64:64-n32:64");
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ABI = Triple.getEnvironment() == llvm::Triple::ELFv2 ? "elfv2" : "elfv1";
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}
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if (Triple.getOS() == llvm::Triple::AIX)
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@ -209,6 +209,20 @@ static PPCTargetMachine::PPCABI computeTargetABI(const Triple &TT,
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if (TT.isMacOSX())
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return PPCTargetMachine::PPC_ABI_UNKNOWN;
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if (TT.isOSFreeBSD()) {
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switch (TT.getArch()) {
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case Triple::ppc64le:
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case Triple::ppc64:
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if (TT.getOSMajorVersion() >= 13)
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return PPCTargetMachine::PPC_ABI_ELFv2;
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else
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return PPCTargetMachine::PPC_ABI_ELFv1;
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case Triple::ppc:
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default:
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return PPCTargetMachine::PPC_ABI_UNKNOWN;
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}
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}
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switch (TT.getArch()) {
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case Triple::ppc64le:
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return PPCTargetMachine::PPC_ABI_ELFv2;
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