commit 0517d86d521b69fb860a3d255442e3b76159a976
author Daniel Kiss <daniel.kiss@arm.com> Thu Sep 02 11:30:26 2021 +0200
committer Copybara-Service <copybara-worker@google.com> Thu Sep 02 02:32:13 2021 -0700
tree 5ca43c4b064bbbafbe80e86fc661775fc4f78a30
parent 6474ba492194918fa7f6ee645825cc7beebef9a3

[Unwind] Harmonise exception class for EHABI spec.

EHABI defines the exception class as char[8] instead of uint64_t [1].
For ABI compatibility the ABI the definition needs to be updated.

[1] https://github.com/ARM-software/abi-aa/blob/main/ehabi32/ehabi32.rst#82language-independent-unwinding-types-and-functions

Reviewed By: manojgupta, MaskRay, #libunwind

Differential Revision: https://reviews.llvm.org/D109047

NOKEYCHECK=True
GitOrigin-RevId: f5b997e6b7061323fff13fafcc0c311d9e78e848

test/forceunwind.pass.cpp

diff --git a/test/forceunwind.pass.cpp b/test/forceunwind.pass.cpp
index e74aa3f..4666972 100644
--- a/test/forceunwind.pass.cpp
+++ b/test/forceunwind.pass.cpp
@@ -27,7 +27,7 @@
 _Unwind_Exception ex;
 
 _Unwind_Reason_Code stop(int version, _Unwind_Action actions,
-                         uint64_t exceptionClass,
+                         _Unwind_Exception_Class exceptionClass,
                          _Unwind_Exception *exceptionObject,
                          struct _Unwind_Context *context,
                          void *stop_parameter) {
@@ -57,7 +57,7 @@
 #if defined(_LIBUNWIND_ARM_EHABI)
   // Create a mock exception object.
   memset(e, '\0', sizeof(*e));
-  e->exception_class = 0x434C4E47554E5700; // CLNGUNW\0
+  strcpy(reinterpret_cast<char *>(&e->exception_class), "CLNGUNW");
 #endif
   _Unwind_ForcedUnwind(e, stop, (void *)&foo);
 }