From 9c3a0283ab70174f34dee5f9e2c8d1e0f687ab53 Mon Sep 17 00:00:00 2001
From: Piotr Kubaj <pkubaj@anongoth.pl>
Date: Thu, 11 Jun 2026 15:33:56 +0200
Subject: [PATCH] FreeBSD: add support for powerpc64

powerpc64 has switched to ELFv2 in FreeBSD 13.0-RELEASE.
---
 driver/targetmachine.cpp | 2 +-
 gen/abi/abi.cpp          | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/driver/targetmachine.cpp b/driver/targetmachine.cpp
index 6f85efd6603..4d0105a290d 100644
--- a/driver/targetmachine.cpp
+++ b/driver/targetmachine.cpp
@@ -143,7 +143,7 @@ const char *getABI(const llvm::Triple &triple, const llvm::SmallVectorImpl<llvm:
   case llvm::Triple::mips64el:
     return "n32";
   case llvm::Triple::ppc64:
-    return "elfv1";
+    return triple.isOSFreeBSD() ? "elfv2" : "elfv1";
   case llvm::Triple::ppc64le:
     return "elfv2";
   case llvm::Triple::riscv64:
diff --git a/gen/abi/abi.cpp b/gen/abi/abi.cpp
index 5e5a1baa203..5a5177cfd74 100644
--- a/gen/abi/abi.cpp
+++ b/gen/abi/abi.cpp
@@ -269,8 +269,12 @@ TargetABI *TargetABI::getTarget() {
   case llvm::Triple::riscv64:
     return getRISCV64TargetABI();
   case llvm::Triple::ppc:
+    return getPPCTargetABI(false);
   case llvm::Triple::ppc64:
-    return getPPCTargetABI(global.params.targetTriple->isArch64Bit());
+    // FreeBSD powerpc64 is big-endian but uses the ELFv2 ABI, like ppc64le
+    if (global.params.targetTriple->isOSFreeBSD())
+      return getPPC64LETargetABI();
+    return getPPCTargetABI(true);
   case llvm::Triple::ppc64le:
     return getPPC64LETargetABI();
   case llvm::Triple::aarch64: