From patchwork Tue Feb 11 09:02:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aktemur, Tankut Baris" X-Patchwork-Id: 37941 Received: (qmail 124892 invoked by alias); 11 Feb 2020 09:04:12 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 121071 invoked by uid 89); 11 Feb 2020 09:03:50 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-24.7 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3 autolearn=ham version=3.3.1 spammy= X-HELO: mga09.intel.com Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 11 Feb 2020 09:03:37 +0000 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Feb 2020 01:03:28 -0800 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga001.fm.intel.com with ESMTP; 11 Feb 2020 01:03:27 -0800 Received: from ulvlx001.iul.intel.com (ulvlx001.iul.intel.com [172.28.207.17]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id 01B93Ra0002319; Tue, 11 Feb 2020 09:03:27 GMT Received: from ulvlx001.iul.intel.com (localhost [127.0.0.1]) by ulvlx001.iul.intel.com with ESMTP id 01B93R4v010723; Tue, 11 Feb 2020 10:03:27 +0100 Received: (from taktemur@localhost) by ulvlx001.iul.intel.com with LOCAL id 01B93QiU010719; Tue, 11 Feb 2020 10:03:27 +0100 From: Tankut Baris Aktemur To: gdb-patches@sourceware.org Subject: [PATCH 54/58] gdbserver: turn target op 'supports_software_single_step' into a method Date: Tue, 11 Feb 2020 10:02:06 +0100 Message-Id: <8134213508474daac8ce9ad896a66d4e47f8336c.1581410935.git.tankut.baris.aktemur@intel.com> In-Reply-To: References: In-Reply-To: References: X-IsSubscribed: yes gdbserver/ChangeLog: 2020-02-10 Tankut Baris Aktemur Make process_stratum_target's supports_software_single_step op a method of process_target. * target.h (struct process_stratum_target): Remove the target op. (class process_target): Add the target op. (target_supports_software_single_step): Update the macro. * target.c (process_target::supports_software_single_step): Define. Update the derived structs and callers below. * linux-low.c (linux_target_ops): Update. (linux_supports_software_single_step): Turn into ... (linux_process_target::supports_software_single_step): ... this. * linux-low.h (class linux_process_target): Update. * lynx-low.c (lynx_target_ops): Update. * nto-low.c (nto_target_ops): Update. * win32-low.c (win32_target_ops): Update. --- gdbserver/linux-low.c | 5 ++--- gdbserver/linux-low.h | 2 ++ gdbserver/lynx-low.c | 1 - gdbserver/nto-low.c | 1 - gdbserver/target.c | 6 ++++++ gdbserver/target.h | 9 ++++----- gdbserver/win32-low.c | 1 - 7 files changed, 14 insertions(+), 11 deletions(-) diff --git a/gdbserver/linux-low.c b/gdbserver/linux-low.c index 82bb9a680bf..9b0d8a18278 100644 --- a/gdbserver/linux-low.c +++ b/gdbserver/linux-low.c @@ -6036,8 +6036,8 @@ linux_process_target::supports_hardware_single_step () return can_hardware_single_step (); } -static int -linux_supports_software_single_step (void) +bool +linux_process_target::supports_software_single_step () { return can_software_single_step (); } @@ -7513,7 +7513,6 @@ linux_get_hwcap2 (int wordsize) static linux_process_target the_linux_target; static process_stratum_target linux_target_ops = { - linux_supports_software_single_step, linux_supports_catch_syscall, linux_get_ipa_tdesc_idx, &the_linux_target, diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index e77c54043b8..582d5c1924d 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -478,6 +478,8 @@ public: bool thread_handle (ptid_t ptid, gdb_byte **handle, int *handle_len) override; #endif + + bool supports_software_single_step () override; }; #define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr))) diff --git a/gdbserver/lynx-low.c b/gdbserver/lynx-low.c index 3f0dbd385fa..ab4238cf373 100644 --- a/gdbserver/lynx-low.c +++ b/gdbserver/lynx-low.c @@ -742,7 +742,6 @@ static lynx_process_target the_lynx_target; /* The LynxOS target_ops vector. */ static process_stratum_target lynx_target_ops = { - NULL, /* supports_software_single_step */ NULL, /* supports_catch_syscall */ NULL, /* get_ipa_tdesc_idx */ &the_lynx_target, diff --git a/gdbserver/nto-low.c b/gdbserver/nto-low.c index 89c59a0f4bb..192d6a53ba8 100644 --- a/gdbserver/nto-low.c +++ b/gdbserver/nto-low.c @@ -947,7 +947,6 @@ nto_process_target::sw_breakpoint_from_kind (int kind, int *size) static nto_process_target the_nto_target; static process_stratum_target nto_target_ops = { - NULL, /* supports_software_single_step */ NULL, /* supports_catch_syscall */ NULL, /* get_ipa_tdesc_idx */ &the_nto_target, diff --git a/gdbserver/target.c b/gdbserver/target.c index b8c58be751a..03145cce280 100644 --- a/gdbserver/target.c +++ b/gdbserver/target.c @@ -814,3 +814,9 @@ process_target::thread_handle (ptid_t ptid, gdb_byte **handle, { return false; } + +bool +process_target::supports_software_single_step () +{ + return false; +} diff --git a/gdbserver/target.h b/gdbserver/target.h index 1b63376a495..8854bf3791f 100644 --- a/gdbserver/target.h +++ b/gdbserver/target.h @@ -70,9 +70,6 @@ class process_target; shared code. */ struct process_stratum_target { - /* Returns true if the target can software single step. */ - int (*supports_software_single_step) (void); - /* Return 1 if the target supports catch syscall, 0 (or leave the callback NULL) otherwise. */ int (*supports_catch_syscall) (void); @@ -505,6 +502,9 @@ public: and the handle's length via HANDLE_LEN. */ virtual bool thread_handle (ptid_t ptid, gdb_byte **handle, int *handle_len); + + /* Returns true if the target can software single step. */ + virtual bool supports_software_single_step (); }; extern process_stratum_target *the_target; @@ -669,8 +669,7 @@ target_read_btrace_conf (struct btrace_target_info *tinfo, the_target->pt->breakpoint_kind_from_current_state (pcptr) #define target_supports_software_single_step() \ - (the_target->supports_software_single_step ? \ - (*the_target->supports_software_single_step) () : 0) + the_target->pt->supports_software_single_step () ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, int connected_wait); diff --git a/gdbserver/win32-low.c b/gdbserver/win32-low.c index ef8f7408669..c4c52e7b2aa 100644 --- a/gdbserver/win32-low.c +++ b/gdbserver/win32-low.c @@ -1848,7 +1848,6 @@ win32_process_target::sw_breakpoint_from_kind (int kind, int *size) static win32_process_target the_win32_target; static process_stratum_target win32_target_ops = { - NULL, /* supports_software_single_step */ NULL, /* supports_catch_syscall */ NULL, /* get_ipa_tdesc_idx */ &the_win32_target,