From patchwork Mon Feb 17 16:57:18 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: 38136 Received: (qmail 110872 invoked by alias); 17 Feb 2020 16:59:32 -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 110764 invoked by uid 89); 17 Feb 2020 16:59:31 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-25.0 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=non_stop, thr, the_target, sk:linux_p X-HELO: mga14.intel.com Received: from mga14.intel.com (HELO mga14.intel.com) (192.55.52.115) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 17 Feb 2020 16:59:23 +0000 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Feb 2020 08:59:21 -0800 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga004.fm.intel.com with ESMTP; 17 Feb 2020 08:59:20 -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 01HGxJGw028175; Mon, 17 Feb 2020 16:59:19 GMT Received: from ulvlx001.iul.intel.com (localhost [127.0.0.1]) by ulvlx001.iul.intel.com with ESMTP id 01HGxJ4X027064; Mon, 17 Feb 2020 17:59:19 +0100 Received: (from taktemur@localhost) by ulvlx001.iul.intel.com with LOCAL id 01HGxJWV027060; Mon, 17 Feb 2020 17:59:19 +0100 From: Tankut Baris Aktemur To: gdb-patches@sourceware.org Cc: palves@redhat.com Subject: [PATCH v2 10/58] gdbserver: turn target op 'resume' into a method Date: Mon, 17 Feb 2020 17:57:18 +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 resume op into a method of process_target. * target.h (struct process_stratum_target): Remove the target op. (class process_target): Add the target op. Update the derived classes and callers below. * server.cc (resume): Update. * target.cc (target_stop_and_wait): Update. (target_continue_no_signal): Update. (target_continue): Update. * linux-low.cc (linux_target_ops): Update. (linux_resume): Turn into ... (linux_process_target::resume): ... this. * linux-low.h (class linux_process_target): Update. * lynx-low.cc (lynx_target_ops): Update. (lynx_resume): Turn into ... (lynx_process_target::resume): ... this. * lynx-low.h (class lynx_process_target): Update. * nto-low.cc (nto_target_ops): Update. (nto_resume): Turn into ... (nto_process_target::resume): ... this. * nto-low.h (class nto_process_target): Update. * win32-low.cc (win32_target_ops): Update. (win32_resume): Turn into ... (win32_process_target::resume): ... this. (win32_process_target::detach): Update. (do_initial_child_stuff): Update. * win32-low.h (class win32_process_target): Update. --- gdbserver/linux-low.cc | 6 ++---- gdbserver/linux-low.h | 2 ++ gdbserver/lynx-low.cc | 5 ++--- gdbserver/lynx-low.h | 2 ++ gdbserver/nto-low.cc | 5 ++--- gdbserver/nto-low.h | 2 ++ gdbserver/server.cc | 2 +- gdbserver/target.cc | 6 +++--- gdbserver/target.h | 7 +++---- gdbserver/win32-low.cc | 10 ++++------ gdbserver/win32-low.h | 2 ++ 11 files changed, 25 insertions(+), 24 deletions(-) diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index f7b1fc095fd..b2e06262464 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -262,7 +262,6 @@ static int stabilizing_threads; static void linux_resume_one_lwp (struct lwp_info *lwp, int step, int signal, siginfo_t *info); -static void linux_resume (struct thread_resume *resume_info, size_t n); static void stop_all_lwps (int suspend, struct lwp_info *except); static void unstop_all_lwps (int unsuspend, struct lwp_info *except); static void unsuspend_all_lwps (struct lwp_info *except); @@ -5002,8 +5001,8 @@ linux_resume_one_thread (thread_info *thread, bool leave_all_stopped) lwp->resume = NULL; } -static void -linux_resume (struct thread_resume *resume_info, size_t n) +void +linux_process_target::resume (thread_resume *resume_info, size_t n) { struct thread_info *need_step_over = NULL; @@ -7359,7 +7358,6 @@ linux_get_hwcap2 (int wordsize) static linux_process_target the_linux_target; static process_stratum_target linux_target_ops = { - linux_resume, linux_wait, linux_fetch_registers, linux_store_registers, diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index a11964d61ef..a750f7cca83 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -286,6 +286,8 @@ public: void join (int pid) override; bool thread_alive (ptid_t pid) override; + + void resume (thread_resume *resume_info, size_t n) 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 24908786fad..9fc41e4ce99 100644 --- a/gdbserver/lynx-low.cc +++ b/gdbserver/lynx-low.cc @@ -326,8 +326,8 @@ lynx_process_target::attach (unsigned long pid) /* Implement the resume target_ops method. */ -static void -lynx_resume (struct thread_resume *resume_info, size_t n) +void +lynx_process_target::resume (thread_resume *resume_info, size_t n) { ptid_t ptid = resume_info[0].thread; const int request @@ -726,7 +726,6 @@ static lynx_process_target the_lynx_target; /* The LynxOS target_ops vector. */ static process_stratum_target lynx_target_ops = { - lynx_resume, lynx_wait, lynx_fetch_registers, lynx_store_registers, diff --git a/gdbserver/lynx-low.h b/gdbserver/lynx-low.h index b12e6cd2721..4a5e4ba6f8d 100644 --- a/gdbserver/lynx-low.h +++ b/gdbserver/lynx-low.h @@ -72,6 +72,8 @@ public: void join (int pid) override; bool thread_alive (ptid_t pid) override; + + void resume (thread_resume *resume_info, size_t n) override; }; /* The inferior's target description. This is a global because the diff --git a/gdbserver/nto-low.cc b/gdbserver/nto-low.cc index 4153a4adde3..d9981540308 100644 --- a/gdbserver/nto-low.cc +++ b/gdbserver/nto-low.cc @@ -451,8 +451,8 @@ nto_process_target::thread_alive (ptid_t ptid) /* Resume inferior's execution. */ -static void -nto_resume (struct thread_resume *resume_info, size_t n) +void +nto_process_target::resume (thread_resume *resume_info, size_t n) { /* We can only work in all-stop mode. */ procfs_status status; @@ -941,7 +941,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size) static nto_process_target the_nto_target; static process_stratum_target nto_target_ops = { - nto_resume, nto_wait, nto_fetch_registers, nto_store_registers, diff --git a/gdbserver/nto-low.h b/gdbserver/nto-low.h index e861b5e885c..5b32ae7c514 100644 --- a/gdbserver/nto-low.h +++ b/gdbserver/nto-low.h @@ -62,6 +62,8 @@ public: void join (int pid) override; bool thread_alive (ptid_t pid) override; + + void resume (thread_resume *resume_info, size_t n) override; }; /* The inferior's target description. This is a global because the diff --git a/gdbserver/server.cc b/gdbserver/server.cc index 73f8e185477..92feff36516 100644 --- a/gdbserver/server.cc +++ b/gdbserver/server.cc @@ -2847,7 +2847,7 @@ resume (struct thread_resume *actions, size_t num_actions) enable_async_io (); } - (*the_target->resume) (actions, num_actions); + the_target->pt->resume (actions, num_actions); if (non_stop) write_ok (cs.own_buf); diff --git a/gdbserver/target.cc b/gdbserver/target.cc index f6d8d927b85..eca53de982e 100644 --- a/gdbserver/target.cc +++ b/gdbserver/target.cc @@ -211,7 +211,7 @@ target_stop_and_wait (ptid_t ptid) resume_info.thread = ptid; resume_info.kind = resume_stop; resume_info.sig = GDB_SIGNAL_0; - (*the_target->resume) (&resume_info, 1); + the_target->pt->resume (&resume_info, 1); non_stop = true; mywait (ptid, &status, 0, 0); @@ -244,7 +244,7 @@ target_continue_no_signal (ptid_t ptid) resume_info.thread = ptid; resume_info.kind = resume_continue; resume_info.sig = GDB_SIGNAL_0; - (*the_target->resume) (&resume_info, 1); + the_target->pt->resume (&resume_info, 1); } /* See target/target.h. */ @@ -257,7 +257,7 @@ target_continue (ptid_t ptid, enum gdb_signal signal) resume_info.thread = ptid; resume_info.kind = resume_continue; resume_info.sig = gdb_signal_to_host (signal); - (*the_target->resume) (&resume_info, 1); + the_target->pt->resume (&resume_info, 1); } /* See target/target.h. */ diff --git a/gdbserver/target.h b/gdbserver/target.h index 923c92c7cb8..f64009f7521 100644 --- a/gdbserver/target.h +++ b/gdbserver/target.h @@ -70,10 +70,6 @@ class process_target; shared code. */ struct process_stratum_target { - /* Resume the inferior process. */ - - void (*resume) (struct thread_resume *resume_info, size_t n); - /* Wait for the inferior process or thread to change state. Store status through argument pointer STATUS. @@ -483,6 +479,9 @@ public: /* Return true iff the thread with process ID PID is alive. */ virtual bool thread_alive (ptid_t pid) = 0; + + /* Resume the inferior process. */ + virtual void resume (thread_resume *resume_info, size_t n) = 0; }; extern process_stratum_target *the_target; diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc index 46f0ddd58b8..1f4af2c66c8 100644 --- a/gdbserver/win32-low.cc +++ b/gdbserver/win32-low.cc @@ -105,7 +105,6 @@ typedef BOOL (WINAPI *winapi_GenerateConsoleCtrlEvent) (DWORD, DWORD); static ptid_t win32_wait (ptid_t ptid, struct target_waitstatus *ourstatus, int options); -static void win32_resume (struct thread_resume *resume_info, size_t n); #ifndef _WIN32_WCE static void win32_add_all_dlls (void); #endif @@ -396,7 +395,7 @@ do_initial_child_stuff (HANDLE proch, DWORD pid, int attached) resume.kind = resume_continue; resume.sig = 0; - win32_resume (&resume, 1); + the_target->pt->resume (&resume, 1); } } @@ -865,7 +864,7 @@ win32_process_target::detach (process_info *process) resume.thread = minus_one_ptid; resume.kind = resume_continue; resume.sig = 0; - win32_resume (&resume, 1); + this->resume (&resume, 1); } if (!DebugActiveProcessStop (current_process_id)) @@ -908,8 +907,8 @@ win32_process_target::thread_alive (ptid_t ptid) /* Resume the inferior process. RESUME_INFO describes how we want to resume. */ -static void -win32_resume (struct thread_resume *resume_info, size_t n) +void +win32_process_target::resume (thread_resume *resume_info, size_t n) { DWORD tid; enum gdb_signal sig; @@ -1839,7 +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 = { - win32_resume, win32_wait, win32_fetch_inferior_registers, win32_store_inferior_registers, diff --git a/gdbserver/win32-low.h b/gdbserver/win32-low.h index b222fd3b57d..fbdf3c7395a 100644 --- a/gdbserver/win32-low.h +++ b/gdbserver/win32-low.h @@ -121,6 +121,8 @@ public: void join (int pid) override; bool thread_alive (ptid_t pid) override; + + void resume (thread_resume *resume_info, size_t n) override; }; /* Retrieve the context for this thread, if not already retrieved. */