Alexandre Julliard : ntdll: Add SEH information to ARM64EC breakpoints.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2aee2990c05b659ba39e7b26bfd81f89d284b0e0
URL:    https://gitlab.winehq.org/wine/wine/-/commit/2aee2990c05b659ba39e7b26bfd81f8...

Author: Alexandre Julliard 
Date:   Mon Feb 26 13:29:32 2024 +0100

ntdll: Add SEH information to ARM64EC breakpoints.

---

dlls/ntdll/signal_arm64ec.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/dlls/ntdll/signal_arm64ec.c b/dlls/ntdll/signal_arm64ec.c
index e03878d521f..a2b21f51ead 100644
--- a/dlls/ntdll/signal_arm64ec.c
+++ b/dlls/ntdll/signal_arm64ec.c
@@ -1817,7 +1817,11 @@ void WINAPI DbgUiRemoteBreakin( void *arg )
  */
 void __attribute__((naked)) DbgBreakPoint(void)
 {
-    asm( "brk #0xf000; ret" );
+    asm( ".seh_proc DbgBreakPoint\n\t"
+         ".seh_endprologue\n\t"
+         "brk #0xf000\n\t"
+         "ret\n\t"
+         ".seh_endproc" );
 }

@@ -1826,7 +1830,11 @@ void __attribute__((naked)) DbgBreakPoint(void)
  */
 void __attribute__((naked)) DbgUserBreakPoint(void)
 {
-    asm( "brk #0xf000; ret" );
+    asm( ".seh_proc DbgUserBreakPoint\n\t"
+         ".seh_endprologue\n\t"
+         "brk #0xf000\n\t"
+         "ret\n\t"
+         ".seh_endproc" );
 }

#endif  /* __arm64ec__ */