From 5e38ba7dde963414dddc8a83848701b49d0bcb00 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 12 Sep 2021 19:47:29 -0700 Subject: accel/tcg: Split out handle_sigsegv_accerr_write MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is the major portion of handle_cpu_signal which is specific to tcg, handling the page protections for the translations. Most of the rest will migrate to linux-user/ shortly. Reviewed-by: Warner Losh Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- v2: Pass guest address to handle_sigsegv_accerr_write. --- include/exec/exec-all.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/exec') diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index e54f8e5d65..5f94d799aa 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -673,6 +673,18 @@ static inline tb_page_addr_t get_page_addr_code_hostp(CPUArchState *env, */ MMUAccessType adjust_signal_pc(uintptr_t *pc, bool is_write); +/** + * handle_sigsegv_accerr_write: + * @cpu: the cpu context + * @old_set: the sigset_t from the signal ucontext_t + * @host_pc: the host pc, adjusted for the signal + * @host_addr: the host address of the fault + * + * Return true if the write fault has been handled, and should be re-tried. + */ +bool handle_sigsegv_accerr_write(CPUState *cpu, sigset_t *old_set, + uintptr_t host_pc, abi_ptr guest_addr); + /** * cpu_signal_handler * @signum: host signal number -- cgit v1.2.3