From 335bd6c938c254e3ae4b019cfc8a94bb8009ca81 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Fri, 1 Dec 2023 08:10:12 +0100
Subject: [PATCH] aarch64: Avoid -Wincompatible-pointer-types warning in Linux
unwinder
* config/aarch64/linux-unwind.h
(aarch64_fallback_frame_state): Add cast to the expected type
in sc assignment.
---
libgcc/config/aarch64/linux-unwind.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libgcc/config/aarch64/linux-unwind.h b/libgcc/config/aarch64/linux-unwind.h
index 00eba866049b..18b3df71e7ba 100644
--- a/libgcc/config/aarch64/linux-unwind.h
+++ b/libgcc/config/aarch64/linux-unwind.h
@@ -77,7 +77,10 @@ aarch64_fallback_frame_state (struct _Unwind_Context *context,
}
rt_ = context->cfa;
- sc = &rt_->uc.uc_mcontext;
+ /* Historically, the uc_mcontext member was of type struct sigcontext, but
+ glibc uses a different type now with member names in the implementation
+ namespace. */
+ sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
/* This define duplicates the definition in aarch64.md */
#define SP_REGNUM 31
--
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