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| author | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2018-10-04 21:09:36 +0000 |
|---|---|---|
| committer | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2018-10-04 21:09:36 +0000 |
| commit | 49cec2be42835f6b4c5ff1bad4710e20db422b87 (patch) | |
| tree | 1e83670bbd93e2af24cb054cfc657444ecdac84b /user/llvm6/musl-ppc64-elfv2.patch | |
| parent | 48e146876c51711b9edfb9095b39a8577ed0ea8f (diff) | |
| download | packages-49cec2be42835f6b4c5ff1bad4710e20db422b87.tar.gz packages-49cec2be42835f6b4c5ff1bad4710e20db422b87.tar.bz2 packages-49cec2be42835f6b4c5ff1bad4710e20db422b87.tar.xz packages-49cec2be42835f6b4c5ff1bad4710e20db422b87.zip | |
user/llvm6: Fix ELFv2 patch, more secure PLT fixes for ppc32
Diffstat (limited to 'user/llvm6/musl-ppc64-elfv2.patch')
| -rw-r--r-- | user/llvm6/musl-ppc64-elfv2.patch | 52 |
1 files changed, 41 insertions, 11 deletions
diff --git a/user/llvm6/musl-ppc64-elfv2.patch b/user/llvm6/musl-ppc64-elfv2.patch index 6fa65526b..016be5dad 100644 --- a/user/llvm6/musl-ppc64-elfv2.patch +++ b/user/llvm6/musl-ppc64-elfv2.patch @@ -1,13 +1,43 @@ ---- llvm-6.0.1.src/lib/Target/PowerPC/PPCTargetMachine.cpp.orig 2018-09-13 03:51:11.900000000 +0000 -+++ llvm-6.0.1.src/lib/Target/PowerPC/PPCTargetMachine.cpp 2018-09-13 03:56:10.740000000 +0000 -@@ -191,6 +191,10 @@ - if (TT.isMacOSX()) - return PPCTargetMachine::PPC_ABI_UNKNOWN; - -+ // musl uses ELFv2 ABI on both endians. -+ if (TT.getEnvironment() == Triple::Musl) -+ return PPCTargetMachine::PPC_ABI_ELFv2; -+ - switch (TT.getArch()) { +From 750d323a6060ad92c3d247f85d6555041f55b4a5 Mon Sep 17 00:00:00 2001 +From: "A. Wilcox" <AWilcox@Wilcox-Tech.com> +Date: Thu, 4 Oct 2018 15:26:59 -0500 +Subject: [PATCH] Add support for powerpc64-*-linux-musl targets + +This patch ensures that 64-bit PowerPC musl targets use ELFv2 ABI on both +endians. It additionally adds a test that big endian PPC64 uses ELFv2 on +musl. +--- + lib/Target/PowerPC/PPCTargetMachine.cpp | 4 ++++ + test/CodeGen/PowerPC/ppc64-elf-abi.ll | 1 + + 2 files changed, 5 insertions(+) + +diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp +index 34410393ef6..c583fba8cab 100644 +--- a/lib/Target/PowerPC/PPCTargetMachine.cpp ++++ b/lib/Target/PowerPC/PPCTargetMachine.cpp +@@ -199,6 +199,10 @@ static PPCTargetMachine::PPCABI computeTargetABI(const Triple &TT, case Triple::ppc64le: return PPCTargetMachine::PPC_ABI_ELFv2; + case Triple::ppc64: ++ // musl uses ELFv2 ABI on both endians. ++ if (TT.getEnvironment() == Triple::Musl) ++ return PPCTargetMachine::PPC_ABI_ELFv2; ++ + return PPCTargetMachine::PPC_ABI_ELFv1; + default: + return PPCTargetMachine::PPC_ABI_UNKNOWN; +diff --git a/test/CodeGen/PowerPC/ppc64-elf-abi.ll b/test/CodeGen/PowerPC/ppc64-elf-abi.ll +index 1e17930304b..aa594b37b47 100644 +--- a/test/CodeGen/PowerPC/ppc64-elf-abi.ll ++++ b/test/CodeGen/PowerPC/ppc64-elf-abi.ll +@@ -1,6 +1,7 @@ + ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv1 + ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=CHECK-ELFv1 + ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=CHECK-ELFv2 ++; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-musl < %s | FileCheck %s -check-prefix=CHECK-ELFv2 + ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv2 + ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=CHECK-ELFv1 + ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=CHECK-ELFv2 +-- +2.18.0 + |