[PATCH v3 08/12] aarch64: Add SEH to machine_function

[Evgeny Karpov <Evgeny.Karpov@microsoft.com>]

From: Zac Walker <zacwalker@microsoft.com>
Date: Tue, 20 Feb 2024 18:10:08 +0100
Subject: [PATCH v3 08/12] aarch64: Add SEH to machine_function

SEH is not enabled in aarch64-w64-mingw32 target yet. However, it is
needed to be declared in machine_function for reusing winnt.cc.

gcc/ChangeLog:

	* config/aarch64/aarch64.h (struct seh_frame_state): Declare SEH
	structure in machine_function.
	(GTY): Add SEH field.
---
 gcc/config/aarch64/aarch64.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 6d360ca3e33..67736baedc1 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -1045,6 +1045,9 @@ struct GTY (()) aarch64_frame
   bool is_scs_enabled;
 };
 
+/* Private to winnt.cc.  */
+struct seh_frame_state;
+
 #ifdef hash_set_h
 typedef struct GTY (()) machine_function
 {
@@ -1085,6 +1088,9 @@ typedef struct GTY (()) machine_function
      still exists and still fulfils its original purpose. the same register
      can be reused by other code.  */
   rtx_insn *advsimd_zero_insn;
+
+  /* During SEH output, this is non-null.  */
+  struct seh_frame_state * GTY ((skip (""))) seh;
 } machine_function;
 #endif
 #endif
-- 
2.25.1