From patchwork Mon Feb 17 16:57:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tankut Baris Aktemur X-Patchwork-Id: 38145 Received: (qmail 113680 invoked by alias); 17 Feb 2020 16:59:53 -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 113609 invoked by uid 89); 17 Feb 2020 16:59:52 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-25.1 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: mga17.intel.com Received: from mga17.intel.com (HELO mga17.intel.com) (192.55.52.151) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 17 Feb 2020 16:59:29 +0000 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Feb 2020 08:59:24 -0800 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga003.jf.intel.com with ESMTP; 17 Feb 2020 08:59:23 -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 01HGxMSG028208; Mon, 17 Feb 2020 16:59:22 GMT Received: from ulvlx001.iul.intel.com (localhost [127.0.0.1]) by ulvlx001.iul.intel.com with ESMTP id 01HGxMHA027144; Mon, 17 Feb 2020 17:59:22 +0100 Received: (from taktemur@localhost) by ulvlx001.iul.intel.com with LOCAL id 01HGxMtd027140; Mon, 17 Feb 2020 17:59:22 +0100 From: Tankut Baris Aktemur To: gdb-patches@sourceware.org Cc: palves@redhat.com Subject: [PATCH v2 21/58] gdbserver: turn target op '{supports_}stopped_by_hw_breakpoint' into a method Date: Mon, 17 Feb 2020 17:57:29 +0100 Message-Id: In-Reply-To: References: In-Reply-To: References: X-IsSubscribed: yes gdbserver/ChangeLog: 2020-02-10 Tankut Baris Aktemur Turn process_stratum_target's {supports_}stopped_by_hw_breakpoint ops into methods of process_target. * target.h (struct process_stratum_target): Remove the target ops. (class process_target): Add the target ops. (target_stopped_by_hw_breakpoint): Update the macro. (target_supports_stopped_by_hw_breakpoint): Update the macro. * target.cc (process_target::stopped_by_hw_breakpoint): Define. (process_target::supports_stopped_by_hw_breakpoint): Define. Update the derived classes and callers below. * linux-low.cc (linux_target_ops): Update. (linux_stopped_by_hw_breakpoint): Turn into ... (linux_process_target::stopped_by_hw_breakpoint): ... this. (linux_supports_stopped_by_hw_breakpoint): Turn into ... (linux_process_target::supports_stopped_by_hw_breakpoint): ... this. * linux-low.h (class linux_process_target): Update. * lynx-low.cc (lynx_target_ops): Update. * nto-low.cc (nto_target_ops): Update. * win32-low.cc (win32_target_ops): Update. --- gdbserver/linux-low.cc | 14 ++++++-------- gdbserver/linux-low.h | 4 ++++ gdbserver/lynx-low.cc | 2 -- gdbserver/nto-low.cc | 2 -- gdbserver/target.cc | 12 ++++++++++++ gdbserver/target.h | 20 +++++++++----------- gdbserver/win32-low.cc | 2 -- 7 files changed, 31 insertions(+), 25 deletions(-) diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index b1cba91344d..9ad5e19207a 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -6010,22 +6010,22 @@ linux_process_target::supports_stopped_by_sw_breakpoint () return USE_SIGTRAP_SIGINFO; } -/* Implement the to_stopped_by_hw_breakpoint target_ops +/* Implement the stopped_by_hw_breakpoint target_ops method. */ -static int -linux_stopped_by_hw_breakpoint (void) +bool +linux_process_target::stopped_by_hw_breakpoint () { struct lwp_info *lwp = get_thread_lwp (current_thread); return (lwp->stop_reason == TARGET_STOPPED_BY_HW_BREAKPOINT); } -/* Implement the to_supports_stopped_by_hw_breakpoint target_ops +/* Implement the supports_stopped_by_hw_breakpoint target_ops method. */ -static int -linux_supports_stopped_by_hw_breakpoint (void) +bool +linux_process_target::supports_stopped_by_hw_breakpoint () { return USE_SIGTRAP_SIGINFO; } @@ -7376,8 +7376,6 @@ linux_get_hwcap2 (int wordsize) static linux_process_target the_linux_target; static process_stratum_target linux_target_ops = { - linux_stopped_by_hw_breakpoint, - linux_supports_stopped_by_hw_breakpoint, linux_supports_hardware_single_step, linux_stopped_by_watchpoint, linux_stopped_data_address, diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index bb9c4b011cf..95dabf3a44e 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -326,6 +326,10 @@ public: bool stopped_by_sw_breakpoint () override; bool supports_stopped_by_sw_breakpoint () override; + + bool stopped_by_hw_breakpoint () override; + + bool supports_stopped_by_hw_breakpoint () override; }; #define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr))) diff --git a/gdbserver/lynx-low.cc b/gdbserver/lynx-low.cc index 0bb7e001aed..e4f276b5af0 100644 --- a/gdbserver/lynx-low.cc +++ b/gdbserver/lynx-low.cc @@ -729,8 +729,6 @@ static lynx_process_target the_lynx_target; /* The LynxOS target_ops vector. */ static process_stratum_target lynx_target_ops = { - NULL, /* stopped_by_hw_breakpoint */ - NULL, /* supports_stopped_by_hw_breakpoint */ target_can_do_hardware_single_step, NULL, /* stopped_by_watchpoint */ NULL, /* stopped_data_address */ diff --git a/gdbserver/nto-low.cc b/gdbserver/nto-low.cc index 5912ee9295e..6bb926d5278 100644 --- a/gdbserver/nto-low.cc +++ b/gdbserver/nto-low.cc @@ -950,8 +950,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size) static nto_process_target the_nto_target; static process_stratum_target nto_target_ops = { - NULL, /* stopped_by_hw_breakpoint */ - NULL, /* supports_stopped_by_hw_breakpoint */ target_can_do_hardware_single_step, nto_stopped_by_watchpoint, nto_stopped_data_address, diff --git a/gdbserver/target.cc b/gdbserver/target.cc index 70630db6d84..f7dc0f4d658 100644 --- a/gdbserver/target.cc +++ b/gdbserver/target.cc @@ -459,3 +459,15 @@ process_target::supports_stopped_by_sw_breakpoint () { return false; } + +bool +process_target::stopped_by_hw_breakpoint () +{ + return false; +} + +bool +process_target::supports_stopped_by_hw_breakpoint () +{ + return false; +} diff --git a/gdbserver/target.h b/gdbserver/target.h index 563884f3535..c5b1ef21b07 100644 --- a/gdbserver/target.h +++ b/gdbserver/target.h @@ -70,13 +70,6 @@ class process_target; shared code. */ struct process_stratum_target { - /* Returns 1 if the target stopped for a hardware breakpoint. */ - int (*stopped_by_hw_breakpoint) (void); - - /* Returns true if the target knows whether a trap was caused by a - HW breakpoint triggering. */ - int (*supports_stopped_by_hw_breakpoint) (void); - /* Returns true if the target can do hardware single step. */ int (*supports_hardware_single_step) (void); @@ -476,6 +469,13 @@ public: /* Returns true if the target knows whether a trap was caused by a SW breakpoint triggering. */ virtual bool supports_stopped_by_sw_breakpoint (); + + /* Returns true if the target stopped for a hardware breakpoint. */ + virtual bool stopped_by_hw_breakpoint (); + + /* Returns true if the target knows whether a trap was caused by a + HW breakpoint triggering. */ + virtual bool supports_stopped_by_hw_breakpoint (); }; extern process_stratum_target *the_target; @@ -665,16 +665,14 @@ target_read_btrace_conf (struct btrace_target_info *tinfo, the_target->pt->stopped_by_sw_breakpoint () #define target_supports_stopped_by_hw_breakpoint() \ - (the_target->supports_stopped_by_hw_breakpoint ? \ - (*the_target->supports_stopped_by_hw_breakpoint) () : 0) + the_target->pt->supports_stopped_by_hw_breakpoint () #define target_supports_hardware_single_step() \ (the_target->supports_hardware_single_step ? \ (*the_target->supports_hardware_single_step) () : 0) #define target_stopped_by_hw_breakpoint() \ - (the_target->stopped_by_hw_breakpoint ? \ - (*the_target->stopped_by_hw_breakpoint) () : 0) + the_target->pt->stopped_by_hw_breakpoint () #define target_breakpoint_kind_from_pc(pcptr) \ (the_target->breakpoint_kind_from_pc \ diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc index 6f8b51f3e44..7edad620050 100644 --- a/gdbserver/win32-low.cc +++ b/gdbserver/win32-low.cc @@ -1838,8 +1838,6 @@ win32_sw_breakpoint_from_kind (int kind, int *size) static win32_process_target the_win32_target; static process_stratum_target win32_target_ops = { - NULL, /* stopped_by_hw_breakpoint */ - NULL, /* supports_stopped_by_hw_breakpoint */ target_can_do_hardware_single_step, win32_stopped_by_watchpoint, win32_stopped_data_address,