clang/0001-Produce-DWARF4-by-default.patch
Tulio Magno Quites Machado Filho 7ca2731b6f 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.
2023-09-19 13:32:00 -03:00

126 lines
5.5 KiB
Diff

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