Revert "Drop dwarf4 patch in favor of config files"

This reverts commit 4d5309efc8 in order to
fix an issue where debug information is enabled by default even when -g
is not used.

Resolves: rhbz#2239619.
This commit is contained in:
Tulio Magno Quites Machado Filho 2023-09-19 11:25:35 -03:00
parent 8e7cc4af9d
commit 7ca2731b6f
3 changed files with 136 additions and 15 deletions

View File

@ -0,0 +1,125 @@
From adbe188f3b1e3a0dd5ec80d9409601ba7f5b0423 Mon Sep 17 00:00:00 2001
From: Konrad Kleine <kkleine@redhat.com>
Date: Thu, 24 Mar 2022 09:44:21 +0100
Subject: [PATCH] Produce DWARF4 by default
Have a look at the following commit to see when the move from DWARF 4 to 5 first happened upstream:
https://github.com/llvm/llvm-project/commit/d3b26dea16108c427b19b5480c9edc76edf8f5b4?diff=unified
---
clang/lib/Driver/ToolChain.cpp | 4 +---
clang/test/CodeGen/dwarf-version.c | 4 ++--
clang/test/Driver/as-options.s | 4 ++--
clang/test/Driver/cl-options.c | 2 +-
clang/test/Driver/clang-g-opts.c | 2 +-
clang/test/Driver/ve-toolchain.c | 2 +-
clang/test/Driver/ve-toolchain.cpp | 2 +-
7 files changed, 9 insertions(+), 11 deletions(-)
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index 8dafc3d481c2..92bf26dc8ec6 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -428,9 +428,7 @@ ToolChain::getDefaultUnwindTableLevel(const ArgList &Args) const {
}
unsigned ToolChain::GetDefaultDwarfVersion() const {
- // TODO: Remove the RISC-V special case when R_RISCV_SET_ULEB128 linker
- // support becomes more widely available.
- return getTriple().isRISCV() ? 4 : 5;
+ return 4;
}
Tool *ToolChain::getClang() const {
diff --git a/clang/test/CodeGen/dwarf-version.c b/clang/test/CodeGen/dwarf-version.c
index d307eb3f101f..e7e93bf6688c 100644
--- a/clang/test/CodeGen/dwarf-version.c
+++ b/clang/test/CodeGen/dwarf-version.c
@@ -2,8 +2,8 @@
// RUN: %clang -target x86_64-linux-gnu -gdwarf-3 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER3
// RUN: %clang -target x86_64-linux-gnu -gdwarf-4 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
// RUN: %clang -target x86_64-linux-gnu -gdwarf-5 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
-// RUN: %clang -target x86_64-linux-gnu -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
-// RUN: %clang -target x86_64-linux-gnu -gdwarf -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
+// RUN: %clang -target x86_64-linux-gnu -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
+// RUN: %clang -target x86_64-linux-gnu -gdwarf -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
// The -isysroot is used as a hack to avoid LIT messing with the SDKROOT
// environment variable which indirecty overrides the version in the target
diff --git a/clang/test/Driver/as-options.s b/clang/test/Driver/as-options.s
index 73d002c7ef7e..71d55f7fd537 100644
--- a/clang/test/Driver/as-options.s
+++ b/clang/test/Driver/as-options.s
@@ -122,7 +122,7 @@
// RUN: FileCheck --check-prefix=DEBUG %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -g0 -g %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=DEBUG %s
-// DEBUG: "-g" "-gdwarf-5"
+// DEBUG: "-g" "-gdwarf-4"
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -g -g0 %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=NODEBUG %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf-5 -g0 %s -### 2>&1 | \
@@ -141,7 +141,7 @@
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf-2 %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=GDWARF2 %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf %s -### 2>&1 | \
-// RUN: FileCheck --check-prefix=GDWARF5 %s
+// RUN: FileCheck --check-prefix=GDWARF4 %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf-5 %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=GDWARF5 %s
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 6d929b19e7e2..373905c2e0fc 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -569,7 +569,7 @@
// RUN: %clang_cl /Z7 -gdwarf /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7_gdwarf %s
// Z7_gdwarf: "-gcodeview"
// Z7_gdwarf: "-debug-info-kind=constructor"
-// Z7_gdwarf: "-dwarf-version=
+// Z7_gdwarf: "-dwarf-version=4
// RUN: %clang_cl /ZH:MD5 /c -### -- %s 2>&1 | FileCheck -check-prefix=ZH_MD5 %s
// ZH_MD5: "-gsrc-hash=md5"
diff --git a/clang/test/Driver/clang-g-opts.c b/clang/test/Driver/clang-g-opts.c
index 5ee0fe64fe48..985158746137 100644
--- a/clang/test/Driver/clang-g-opts.c
+++ b/clang/test/Driver/clang-g-opts.c
@@ -32,7 +32,7 @@
// CHECK-WITHOUT-G-NOT: -debug-info-kind
// CHECK-WITH-G: "-debug-info-kind=constructor"
-// CHECK-WITH-G: "-dwarf-version=5"
+// CHECK-WITH-G: "-dwarf-version=4"
// CHECK-WITH-G-DWARF2: "-dwarf-version=2"
// CHECK-WITH-G-STANDALONE: "-debug-info-kind=standalone"
diff --git a/clang/test/Driver/ve-toolchain.c b/clang/test/Driver/ve-toolchain.c
index 32e25769b6da..b8a2852daba8 100644
--- a/clang/test/Driver/ve-toolchain.c
+++ b/clang/test/Driver/ve-toolchain.c
@@ -6,7 +6,7 @@
/// Checking dwarf-version
// RUN: %clang -### -g --target=ve %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=4"
///-----------------------------------------------------------------------------
/// Checking include-path
diff --git a/clang/test/Driver/ve-toolchain.cpp b/clang/test/Driver/ve-toolchain.cpp
index 5a33d5eceb61..cedf895b36dc 100644
--- a/clang/test/Driver/ve-toolchain.cpp
+++ b/clang/test/Driver/ve-toolchain.cpp
@@ -7,7 +7,7 @@
// RUN: %clangxx -### -g --target=ve-unknown-linux-gnu \
// RUN: %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=4"
///-----------------------------------------------------------------------------
/// Checking include-path
--
2.41.0

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@ -1,3 +0,0 @@
# Drop the following option after debugedit adds support to DWARF-5:
# https://sourceware.org/bugzilla/show_bug.cgi?id=28728
-gdwarf-4

View File

@ -55,7 +55,7 @@
Name: %pkg_name
Version: %{clang_version}%{?rc_ver:~rc%{rc_ver}}%{?llvm_snapshot_version_suffix:~%{llvm_snapshot_version_suffix}}
Release: 3%{?dist}
Release: 4%{?dist}
Summary: A C language family front-end for LLVM
License: Apache-2.0 WITH LLVM-exception OR NCSA
@ -77,18 +77,20 @@ Source4: release-keys.asc
%if %{without compat_build}
Source5: macros.%{name}
%endif
Source6: clang.cfg
# Patches for clang
Patch1: 0001-PATCH-clang-Make-funwind-tables-the-default-on-all-a.patch
Patch2: 0003-PATCH-clang-Don-t-install-static-libraries.patch
Patch3: 0001-Driver-Add-a-gcc-equivalent-triple-to-the-list-of-tr.patch
# Drop the following patch after debugedit adds support to DWARF-5:
# https://sourceware.org/bugzilla/show_bug.cgi?id=28728
Patch4: 0001-Produce-DWARF4-by-default.patch
# Backport from LLVM 18:
# https://github.com/llvm/llvm-project-release-prs/pull/689
Patch4: 689.patch
Patch5: 689.patch
# Workaround a bug in ORC on ppc64le.
# More info is available here: https://reviews.llvm.org/D159115#4641826
Patch5: 0001-Workaround-a-bug-in-ORC-on-ppc64le.patch
Patch6: 0001-Workaround-a-bug-in-ORC-on-ppc64le.patch
# RHEL specific patches
# Avoid unwanted dependency on python-recommonmark
@ -414,7 +416,6 @@ sed -i 's/\@FEDORA_LLVM_LIB_SUFFIX\@//g' test/lit.cfg.py
-DBUILD_SHARED_LIBS=OFF \
-DCLANG_REPOSITORY_STRING="%{?dist_vendor} %{version}-%{release}" \
-DCLANG_RESOURCE_DIR=../lib/clang/%{maj_ver} \
-DCLANG_CONFIG_FILE_SYSTEM_DIR=%{_sysconfdir}/%{name}/ \
%ifarch %{arm}
-DCLANG_DEFAULT_LINKER=lld \
%endif
@ -503,10 +504,6 @@ mkdir -p %{buildroot}%{install_prefix}/lib/clang/%{maj_ver}/{bin,include,lib,sha
ln -s %{_datadir}/clang/clang-format-diff.py %{buildroot}%{_bindir}/clang-format-diff
%endif
# Install config file
mkdir -p %{buildroot}%{_sysconfdir}/%{name}/
mv %{SOURCE6} %{buildroot}%{_sysconfdir}/%{name}/%{_target_platform}.cfg
%check
%if %{without compat_build}
%if %{with check}
@ -544,7 +541,6 @@ false
%files libs
%{install_prefix}/lib/clang/%{maj_ver}/include/*
%{install_libdir}/*.so.*
%{_sysconfdir}/%{name}/%{_target_platform}.cfg
%files devel
%if %{without compat_build}
@ -646,6 +642,11 @@ false
%endif
%changelog
%{?llvm_snapshot_changelog_entry}
* Tue Sep 19 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc4-4
- Re-add dwarf4 patch. Fix rhbz#2239619.
* Tue Sep 19 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc4-3
- Move macros.clang to resource-filesystem
@ -655,8 +656,6 @@ false
* Wed Sep 06 2023 Tom Stellard <tstellar@redhat.com> - 17.0.0~rc3-2
- Drop dwarf4 patch in favor of config files
%{?llvm_snapshot_changelog_entry}
* Tue Sep 05 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc4-1
- Update to LLVM 17.0.0 RC4