[clang] [hexagon] Enable --eh-frame-hdr (PR #130225)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-hexagon

Author: Brian Cain (androm3da)

<details>
<summary>Changes</summary>

The missing `PT_GNU_EH_FRAME` was causing C++ exception handling test failures in llvm-test-suite.  We should unconditionally add this argument like the other drivers do.

Discovered-by: Alexey Karyakin <akaryaki@<!-- -->quicinc.com> 
Fixes: #<!-- -->129745

---
Full diff: https://github.com/llvm/llvm-project/pull/130225.diff


3 Files Affected:

- (modified) clang/lib/Driver/ToolChains/Hexagon.cpp (+1) 
- (modified) clang/test/Driver/hexagon-toolchain-elf.c (+1) 
- (modified) clang/test/Driver/hexagon-toolchain-linux.c (+1) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/Hexagon.cpp b/clang/lib/Driver/ToolChains/Hexagon.cpp
index 7ca5ab9af8810..6ea701a7882d1 100644
--- a/clang/lib/Driver/ToolChains/Hexagon.cpp
+++ b/clang/lib/Driver/ToolChains/Hexagon.cpp
@@ -313,6 +313,7 @@ constructHexagonLinkArgs(Compilation &C, const JobAction &JA,
                                      // handled somewhere else.
   Args.ClaimAllArgs(options::OPT_static_libgcc);
 
+  CmdArgs.push_back("--eh-frame-hdr");
   //----------------------------------------------------------------------------
   //
   //----------------------------------------------------------------------------
diff --git a/clang/test/Driver/hexagon-toolchain-elf.c b/clang/test/Driver/hexagon-toolchain-elf.c
index be812dda40d57..de2ebfeeda26c 100644
--- a/clang/test/Driver/hexagon-toolchain-elf.c
+++ b/clang/test/Driver/hexagon-toolchain-elf.c
@@ -555,6 +555,7 @@
 // RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \
 // RUN:   -mcpu=hexagonv60 \
 // RUN:   -fuse-ld=lld %s 2>&1 | FileCheck -check-prefix=CHECK382 %s
+// CHECK382:          "--eh-frame-hdr
 // CHECK382-NOT:      "-march=
 // CHECK382-NOT:      "-mcpu=
 // -----------------------------------------------------------------------------
diff --git a/clang/test/Driver/hexagon-toolchain-linux.c b/clang/test/Driver/hexagon-toolchain-linux.c
index 6f7f3b20f9141..e791353cca07f 100644
--- a/clang/test/Driver/hexagon-toolchain-linux.c
+++ b/clang/test/Driver/hexagon-toolchain-linux.c
@@ -127,6 +127,7 @@
 // RUN:    --target=hexagon-unknown-linux-musl %s -### 2>&1 \
 // RUN:    | FileCheck -check-prefix=CHECK011 %s
 // CHECK011:   InstalledDir: [[INSTALLED_DIR:.+]]
+// CHECK011:   "--eh-frame-hdr"
 // CHECK011:   crt1.o
 // CHECK011-NOT:  "-lunwind"
 // CHECK011-NOT:  "-lgcc_eh"

``````````

</details>


https://github.com/llvm/llvm-project/pull/130225