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-rw-r--r--0001-Produce-DWARF4-by-default.patch126
1 files changed, 126 insertions, 0 deletions
diff --git a/0001-Produce-DWARF4-by-default.patch b/0001-Produce-DWARF4-by-default.patch
new file mode 100644
index 0000000..a4b31e4
--- /dev/null
+++ b/0001-Produce-DWARF4-by-default.patch
@@ -0,0 +1,126 @@
+From 8ce0e2a14ba0743c06b543c0503203a56c905e8c Mon Sep 17 00:00:00 2001
+From: Konrad Kleine <kkleine@redhat.com>
+Date: Tue, 4 Jun 2024 14:11:23 +0200
+Subject: Produce DWARF4 by default
+
+---
+ clang/lib/Driver/ToolChain.cpp | 4 +---
+ clang/test/CodeGen/dwarf-version.c | 8 ++++----
+ 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, 11 insertions(+), 13 deletions(-)
+
+diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
+index 388030592b48..6542895cf857 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 e63316ace69c..3d68b06c58ff 100644
+--- a/clang/test/CodeGen/dwarf-version.c
++++ b/clang/test/CodeGen/dwarf-version.c
+@@ -2,10 +2,10 @@
+ // 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=i386-pc-solaris -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
+-// RUN: %clang --target=i386-pc-solaris -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
++// RUN: %clang --target=i386-pc-solaris -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
++// RUN: %clang --target=i386-pc-solaris -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 5b6dfe308a76..4da65272a1b0 100644
+--- a/clang/test/Driver/cl-options.c
++++ b/clang/test/Driver/cl-options.c
+@@ -571,7 +571,7 @@
+ // RUN: %clang_cl -gdwarf /Z7 /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7_gdwarf %s
+ // Z7_gdwarf-NOT: "-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 b73602a155b0..b0cf64674253 100644
+--- a/clang/test/Driver/clang-g-opts.c
++++ b/clang/test/Driver/clang-g-opts.c
+@@ -36,7 +36,7 @@
+
+ // 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-DWARF4: "-dwarf-version=4"
+ // CHECK-WITH-G-DWARF2: "-dwarf-version=2"
+
+diff --git a/clang/test/Driver/ve-toolchain.c b/clang/test/Driver/ve-toolchain.c
+index 078341eb1202..6ccbef6a0c36 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 cd48dd792f85..f77781d4c6fa 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
+--
+2.45.1
+