From 653b87eb36045b506b79f0bb433016ef1c54bc9a Mon Sep 17 00:00:00 2001 From: Roman Bolshakov Date: Wed, 13 Jan 2021 06:28:07 +0300 Subject: tcg: Toggle page execution for Apple Silicon Pages can't be both write and executable at the same time on Apple Silicon. macOS provides public API to switch write protection [1] for JIT applications, like TCG. 1. https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon Tested-by: Alexander Graf Signed-off-by: Roman Bolshakov Message-Id: <20210113032806.18220-1-r.bolshakov@yadro.com> [rth: Inline the qemu_thread_jit_* functions; drop the MAP_JIT change for a follow-on patch.] Signed-off-by: Richard Henderson --- tcg/tcg.c | 1 + 1 file changed, 1 insertion(+) (limited to 'tcg/tcg.c') diff --git a/tcg/tcg.c b/tcg/tcg.c index 8f8badb61c..67b08f708d 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1112,6 +1112,7 @@ void tcg_prologue_init(TCGContext *s) s->pool_labels = NULL; #endif + qemu_thread_jit_write(); /* Generate the prologue. */ tcg_target_qemu_prologue(s); -- cgit 1.4.1