From patchwork Tue Feb 11 09:01:28 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: 37907 Received: (qmail 118590 invoked by alias); 11 Feb 2020 09:03:32 -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 117895 invoked by uid 89); 11 Feb 2020 09:03:28 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-23.5 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, SPF_HELO_PASS autolearn=ham version=3.3.1 spammy=003 X-HELO: mga12.intel.com Received: from mga12.intel.com (HELO mga12.intel.com) (192.55.52.136) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 11 Feb 2020 09:03:22 +0000 Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Feb 2020 01:03:19 -0800 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga007.fm.intel.com with ESMTP; 11 Feb 2020 01:03:18 -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 01B93ILW002174; Tue, 11 Feb 2020 09:03:18 GMT Received: from ulvlx001.iul.intel.com (localhost [127.0.0.1]) by ulvlx001.iul.intel.com with ESMTP id 01B93ITO010454; Tue, 11 Feb 2020 10:03:18 +0100 Received: (from taktemur@localhost) by ulvlx001.iul.intel.com with LOCAL id 01B93Hjn010450; Tue, 11 Feb 2020 10:03:17 +0100 From: Tankut Baris Aktemur To: gdb-patches@sourceware.org Subject: [PATCH 16/58] gdbserver: turn target op 'request_interrupt' into a method Date: Tue, 11 Feb 2020 10:01:28 +0100 Message-Id: <893488d95a02a0ef234c49ed3693883bed684bd1.1581410933.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 request_interrupt op 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 structs and callers below. * remote-utils.c (putpkt_binary_1): Update. (input_interrupt): Update. (getpkt): Update. * server.c (handle_v_requests): Update. * linux-low.c (linux_target_ops): Update. (linux_request_interrupt): Turn into ... (linux_process_target::request_interrupt): ... this. * linux-low.h (class linux_process_target): Update. * lynx-low.c (lynx_target_ops): Update. (lynx_request_interrupt): Turn into ... (lynx_process_target::request_interrupt): ... this. * lynx-low.h (class lynx_process_target): Update. * nto-low.c (nto_target_ops): Update. (nto_request_interrupt): Turn into ... (nto_process_target::request_interrupt): ... this. * nto-low.h (class nto_process_target): Update. * win32-low.c (win32_target_ops): Update. (win32_request_interrupt): Turn into ... (win32_process_target::request_interrupt): ... this. * win32-low.h (class win32_process_target): Update. --- gdbserver/linux-low.c | 7 +++---- gdbserver/linux-low.h | 2 ++ gdbserver/lynx-low.c | 5 ++--- gdbserver/lynx-low.h | 2 ++ gdbserver/nto-low.c | 5 ++--- gdbserver/nto-low.h | 2 ++ gdbserver/remote-utils.c | 8 ++++---- gdbserver/server.c | 2 +- gdbserver/target.h | 9 ++++----- gdbserver/win32-low.c | 5 ++--- gdbserver/win32-low.h | 2 ++ 11 files changed, 26 insertions(+), 23 deletions(-) diff --git a/gdbserver/linux-low.c b/gdbserver/linux-low.c index 89ef5ab9224..cf5192fef61 100644 --- a/gdbserver/linux-low.c +++ b/gdbserver/linux-low.c @@ -5911,12 +5911,12 @@ linux_process_target::look_up_symbols () #endif } -static void -linux_request_interrupt (void) +void +linux_process_target::request_interrupt () { /* Send a SIGINT to the process group. This acts just like the user typed a ^C on the controlling terminal. */ - kill (-signal_pid, SIGINT); + ::kill (-signal_pid, SIGINT); } /* Copy LEN bytes from inferior's auxiliary vector starting at OFFSET @@ -7369,7 +7369,6 @@ linux_get_hwcap2 (int wordsize) static linux_process_target the_linux_target; static process_stratum_target linux_target_ops = { - linux_request_interrupt, linux_read_auxv, linux_supports_z_point_type, linux_insert_point, diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index ae9484d8211..9340c78cdd0 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -306,6 +306,8 @@ public: int len) override; void look_up_symbols () override; + + void request_interrupt () 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 21a03cf5d00..0687aacfe61 100644 --- a/gdbserver/lynx-low.c +++ b/gdbserver/lynx-low.c @@ -714,8 +714,8 @@ lynx_process_target::write_memory (CORE_ADDR memaddr, /* Implement the kill_request target_ops method. */ -static void -lynx_request_interrupt (void) +void +lynx_process_target::request_interrupt () { ptid_t inferior_ptid = ptid_of (get_first_thread ()); @@ -729,7 +729,6 @@ static lynx_process_target the_lynx_target; /* The LynxOS target_ops vector. */ static process_stratum_target lynx_target_ops = { - lynx_request_interrupt, NULL, /* read_auxv */ NULL, /* supports_z_point_type */ NULL, /* insert_point */ diff --git a/gdbserver/lynx-low.h b/gdbserver/lynx-low.h index 05223ec9774..3560c22abc1 100644 --- a/gdbserver/lynx-low.h +++ b/gdbserver/lynx-low.h @@ -86,6 +86,8 @@ public: int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len) override; + + void request_interrupt () override; }; /* The inferior's target description. This is a global because the diff --git a/gdbserver/nto-low.c b/gdbserver/nto-low.c index fc548ff72ba..f7b08b4524f 100644 --- a/gdbserver/nto-low.c +++ b/gdbserver/nto-low.c @@ -746,8 +746,8 @@ nto_process_target::write_memory (CORE_ADDR memaddr, /* Stop inferior. We always stop all threads. */ -static void -nto_request_interrupt (void) +void +nto_process_target::request_interrupt () { TRACE ("%s\n", __func__); nto_set_thread (ptid_t (nto_inferior.pid, 1, 0)); @@ -943,7 +943,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size) static nto_process_target the_nto_target; static process_stratum_target nto_target_ops = { - nto_request_interrupt, nto_read_auxv, nto_supports_z_point_type, nto_insert_point, diff --git a/gdbserver/nto-low.h b/gdbserver/nto-low.h index 6f420219ad4..1ce518189c6 100644 --- a/gdbserver/nto-low.h +++ b/gdbserver/nto-low.h @@ -76,6 +76,8 @@ public: int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len) override; + + void request_interrupt () override; }; /* The inferior's target description. This is a global because the diff --git a/gdbserver/remote-utils.c b/gdbserver/remote-utils.c index b8a8c6576f9..b5248ab368e 100644 --- a/gdbserver/remote-utils.c +++ b/gdbserver/remote-utils.c @@ -710,7 +710,7 @@ putpkt_binary_1 (char *buf, int cnt, int is_notif) /* Check for an input interrupt while we're here. */ if (cc == '\003' && current_thread != NULL) - (*the_target->request_interrupt) (); + the_target->pt->request_interrupt (); } while (cc != '+'); @@ -779,7 +779,7 @@ input_interrupt (int unused) return; } - (*the_target->request_interrupt) (); + the_target->pt->request_interrupt (); } } @@ -986,7 +986,7 @@ getpkt (char *buf) check for an input interrupt. */ if (c == '\003') { - (*the_target->request_interrupt) (); + the_target->pt->request_interrupt (); continue; } @@ -1076,7 +1076,7 @@ getpkt (char *buf) { /* Consume the interrupt character in the buffer. */ readchar (); - (*the_target->request_interrupt) (); + the_target->pt->request_interrupt (); } return bp - buf; diff --git a/gdbserver/server.c b/gdbserver/server.c index 4785eabaf06..bc497f87b7f 100644 --- a/gdbserver/server.c +++ b/gdbserver/server.c @@ -3088,7 +3088,7 @@ handle_v_requests (char *own_buf, int packet_len, int *new_packet_len) { if (strcmp (own_buf, "vCtrlC") == 0) { - (*the_target->request_interrupt) (); + the_target->pt->request_interrupt (); write_ok (own_buf); return; } diff --git a/gdbserver/target.h b/gdbserver/target.h index 73343bd0c03..1eb5657045c 100644 --- a/gdbserver/target.h +++ b/gdbserver/target.h @@ -70,11 +70,6 @@ class process_target; shared code. */ struct process_stratum_target { - /* Send an interrupt request to the inferior process, - however is appropriate. */ - - void (*request_interrupt) (void); - /* Read auxiliary vector data from the inferior process. Read LEN bytes at OFFSET into a buffer at MYADDR. */ @@ -475,6 +470,10 @@ public: become available. NULL if we aren't interested in any symbols. */ virtual void look_up_symbols (); + + /* Send an interrupt request to the inferior process, + however is appropriate. */ + virtual void request_interrupt () = 0; }; extern process_stratum_target *the_target; diff --git a/gdbserver/win32-low.c b/gdbserver/win32-low.c index 8baf4a32e4f..b2ed7f8b01e 100644 --- a/gdbserver/win32-low.c +++ b/gdbserver/win32-low.c @@ -1685,8 +1685,8 @@ win32_process_target::write_memory (CORE_ADDR memaddr, } /* Send an interrupt request to the inferior process. */ -static void -win32_request_interrupt (void) +void +win32_process_target::request_interrupt () { winapi_DebugBreakProcess DebugBreakProcess; winapi_GenerateConsoleCtrlEvent GenerateConsoleCtrlEvent; @@ -1828,7 +1828,6 @@ win32_sw_breakpoint_from_kind (int kind, int *size) static win32_process_target the_win32_target; static process_stratum_target win32_target_ops = { - win32_request_interrupt, NULL, /* read_auxv */ win32_supports_z_point_type, win32_insert_point, diff --git a/gdbserver/win32-low.h b/gdbserver/win32-low.h index 27ba64ce916..078ae7255f3 100644 --- a/gdbserver/win32-low.h +++ b/gdbserver/win32-low.h @@ -135,6 +135,8 @@ public: int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len) override; + + void request_interrupt () override; }; /* Retrieve the context for this thread, if not already retrieved. */