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[209.51.188.17]) by mx.google.com with ESMTPS id k17si16692204ion.39.2021.05.25.04.26.22 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 25 May 2021 04:26:22 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=mHbmAJX+; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:44320 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1llVCX-0002bH-QU for patch@linaro.org; Tue, 25 May 2021 07:26:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59702) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1llVB0-0002Uv-Mz for qemu-devel@nongnu.org; Tue, 25 May 2021 07:24:46 -0400 Received: from mail-wr1-x42e.google.com ([2a00:1450:4864:20::42e]:42542) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1llVAu-0002yB-Gn for qemu-devel@nongnu.org; Tue, 25 May 2021 07:24:46 -0400 Received: by mail-wr1-x42e.google.com with SMTP id x8so31804221wrq.9 for ; Tue, 25 May 2021 04:24:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=y314722+yRf9K7NmUyFafeR1Qqap6N+fxdsQoLxFQa8=; b=mHbmAJX+MksQLhiyJ40mLqW5Oyr6hhwmDc65PAgc+K7s2YUjW6TjI8JB1gACKdnhqZ d7YtrErfX37pwPb+IRxLab+kuSvM6pEx0/0SjRyiTgnRfEujr+buKQakGzDGeRaXmU2P J0aLKrPTa9wU84xLCc/c/Y6RQG9RacQfrqaGUmrvJrWxmH0RaMJmVK+vSuOM005wuCW5 tMf3y6ve/PpDxGOp7gHnc0LpC240XM7t6hmW9CtY3I7S4gfZ6aBXlAY7sTdJxTa9GYhQ iRevzrmcJ+zjhIYk9gh1k5LriqT1FS3yd12OhK4LloiKk4yy42O9pAnzyCunbpqydhy9 FCsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=y314722+yRf9K7NmUyFafeR1Qqap6N+fxdsQoLxFQa8=; b=eIsh7KGeeLJyzbsqdqjPpCQZrOw+uY6oVU8R4Mb0Cg3vBKl0lzVxv4oKjvfxwEfFc8 4AlbdDZORyvJdOYYs7ng4kJxt4c7Lx+JtW/8SZlXTWpwTFZVRe9U2uD6W702sCg57jby p3My3vb2/VqpNTZ2JWOUyoNl1055+0wylBxWWnMT3heoMVscjGc+d5B0/tiYC6dZgwoE r/G2ep1HtlTmvOtj1v1FbL42bzeME57BEJXyvOrUNdpy9mutNLdcczzgxD5gj466g51M N/BWIfM48cB6nT7e9DpZcYQ4XzKmdavegTu8mnKfKNqQx2uSTz1i4H3yFZH0kKziqa7h kNLg== X-Gm-Message-State: AOAM530oORI3OLEEFfaD5Gh2WoMxToMFRvYsa1N+zPnKe9uwj8Noyn2f WBuobMkjo1CuIjb2Ezs5JIu61Q== X-Received: by 2002:a5d:650c:: with SMTP id x12mr11506207wru.116.1621941878978; Tue, 25 May 2021 04:24:38 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id b10sm18472067wrr.27.2021.05.25.04.24.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 May 2021 04:24:35 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 23C6E1FF90; Tue, 25 May 2021 12:24:32 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: peter.maydell@linaro.org Subject: [PULL 4/7] gdbstub: Replace GdbCmdContext with plain g_array() Date: Tue, 25 May 2021 12:24:28 +0100 Message-Id: <20210525112431.22005-5-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210525112431.22005-1-alex.bennee@linaro.org> References: <20210525112431.22005-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42e; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x42e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Alex_Benn=C3=A9e?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Instead of jumping through hoops let glib deal with both tracking the number of elements and auto freeing the memory once we are done. This allows is to drop the usage of ALLOCA(3) which the man-page mentions its "use is discouraged". Signed-off-by: Alex BennĂ©e Message-Id: <20210520174303.12310-6-alex.bennee@linaro.org> -- 2.20.1 diff --git a/gdbstub.c b/gdbstub.c index 83d47c6732..84ce770a04 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1338,6 +1338,8 @@ typedef union GdbCmdVariant { } thread_id; } GdbCmdVariant; +#define get_param(p, i) (&g_array_index(p, GdbCmdVariant, i)) + static const char *cmd_next_param(const char *param, const char delimiter) { static const char all_delimiters[] = ",;:="; @@ -1363,55 +1365,52 @@ static const char *cmd_next_param(const char *param, const char delimiter) } static int cmd_parse_params(const char *data, const char *schema, - GdbCmdVariant *params, int *num_params) + GArray *params) { - int curr_param; const char *curr_schema, *curr_data; - *num_params = 0; - - if (!schema) { - return 0; - } + g_assert(schema); + g_assert(params->len == 0); curr_schema = schema; - curr_param = 0; curr_data = data; while (curr_schema[0] && curr_schema[1] && *curr_data) { + GdbCmdVariant this_param; + switch (curr_schema[0]) { case 'l': if (qemu_strtoul(curr_data, &curr_data, 16, - ¶ms[curr_param].val_ul)) { + &this_param.val_ul)) { return -EINVAL; } - curr_param++; curr_data = cmd_next_param(curr_data, curr_schema[1]); + g_array_append_val(params, this_param); break; case 'L': if (qemu_strtou64(curr_data, &curr_data, 16, - (uint64_t *)¶ms[curr_param].val_ull)) { + (uint64_t *)&this_param.val_ull)) { return -EINVAL; } - curr_param++; curr_data = cmd_next_param(curr_data, curr_schema[1]); + g_array_append_val(params, this_param); break; case 's': - params[curr_param].data = curr_data; - curr_param++; + this_param.data = curr_data; curr_data = cmd_next_param(curr_data, curr_schema[1]); + g_array_append_val(params, this_param); break; case 'o': - params[curr_param].opcode = *(uint8_t *)curr_data; - curr_param++; + this_param.opcode = *(uint8_t *)curr_data; curr_data = cmd_next_param(curr_data, curr_schema[1]); + g_array_append_val(params, this_param); break; case 't': - params[curr_param].thread_id.kind = + this_param.thread_id.kind = read_thread_id(curr_data, &curr_data, - ¶ms[curr_param].thread_id.pid, - ¶ms[curr_param].thread_id.tid); - curr_param++; + &this_param.thread_id.pid, + &this_param.thread_id.tid); curr_data = cmd_next_param(curr_data, curr_schema[1]); + g_array_append_val(params, this_param); break; case '?': curr_data = cmd_next_param(curr_data, curr_schema[1]); @@ -1422,16 +1421,10 @@ static int cmd_parse_params(const char *data, const char *schema, curr_schema += 2; } - *num_params = curr_param; return 0; } -typedef struct GdbCmdContext { - GdbCmdVariant *params; - int num_params; -} GdbCmdContext; - -typedef void (*GdbCmdHandler)(GdbCmdContext *gdb_ctx, void *user_ctx); +typedef void (*GdbCmdHandler)(GArray *params, void *user_ctx); /* * cmd_startswith -> cmd is compared using startswith @@ -1471,8 +1464,8 @@ static inline int startswith(const char *string, const char *pattern) static int process_string_cmd(void *user_ctx, const char *data, const GdbCmdParseEntry *cmds, int num_cmds) { - int i, schema_len, max_num_params = 0; - GdbCmdContext gdb_ctx; + int i; + g_autoptr(GArray) params = g_array_new(false, true, sizeof(GdbCmdVariant)); if (!cmds) { return -1; @@ -1488,24 +1481,13 @@ static int process_string_cmd(void *user_ctx, const char *data, } if (cmd->schema) { - schema_len = strlen(cmd->schema); - if (schema_len % 2) { - return -2; + if (cmd_parse_params(&data[strlen(cmd->cmd)], + cmd->schema, params)) { + return -1; } - - max_num_params = schema_len / 2; - } - - gdb_ctx.params = - (GdbCmdVariant *)alloca(sizeof(*gdb_ctx.params) * max_num_params); - memset(gdb_ctx.params, 0, sizeof(*gdb_ctx.params) * max_num_params); - - if (cmd_parse_params(&data[strlen(cmd->cmd)], cmd->schema, - gdb_ctx.params, &gdb_ctx.num_params)) { - return -1; } - cmd->handler(&gdb_ctx, user_ctx); + cmd->handler(params, user_ctx); return 0; } @@ -1528,18 +1510,18 @@ static void run_cmd_parser(const char *data, const GdbCmdParseEntry *cmd) } } -static void handle_detach(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_detach(GArray *params, void *user_ctx) { GDBProcess *process; uint32_t pid = 1; if (gdbserver_state.multiprocess) { - if (!gdb_ctx->num_params) { + if (!params->len) { put_packet("E22"); return; } - pid = gdb_ctx->params[0].val_ul; + pid = get_param(params, 0)->val_ul; } process = gdb_get_process(pid); @@ -1562,22 +1544,22 @@ static void handle_detach(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet("OK"); } -static void handle_thread_alive(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_thread_alive(GArray *params, void *user_ctx) { CPUState *cpu; - if (!gdb_ctx->num_params) { + if (!params->len) { put_packet("E22"); return; } - if (gdb_ctx->params[0].thread_id.kind == GDB_READ_THREAD_ERR) { + if (get_param(params, 0)->thread_id.kind == GDB_READ_THREAD_ERR) { put_packet("E22"); return; } - cpu = gdb_get_cpu(gdb_ctx->params[0].thread_id.pid, - gdb_ctx->params[0].thread_id.tid); + cpu = gdb_get_cpu(get_param(params, 0)->thread_id.pid, + get_param(params, 0)->thread_id.tid); if (!cpu) { put_packet("E22"); return; @@ -1586,17 +1568,17 @@ static void handle_thread_alive(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet("OK"); } -static void handle_continue(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_continue(GArray *params, void *user_ctx) { - if (gdb_ctx->num_params) { - gdb_set_cpu_pc(gdb_ctx->params[0].val_ull); + if (params->len) { + gdb_set_cpu_pc(get_param(params, 0)->val_ull); } gdbserver_state.signal = 0; gdb_continue(); } -static void handle_cont_with_sig(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_cont_with_sig(GArray *params, void *user_ctx) { unsigned long signal = 0; @@ -1604,8 +1586,8 @@ static void handle_cont_with_sig(GdbCmdContext *gdb_ctx, void *user_ctx) * Note: C sig;[addr] is currently unsupported and we simply * omit the addr parameter */ - if (gdb_ctx->num_params) { - signal = gdb_ctx->params[0].val_ul; + if (params->len) { + signal = get_param(params, 0)->val_ul; } gdbserver_state.signal = gdb_signal_to_target(signal); @@ -1615,27 +1597,27 @@ static void handle_cont_with_sig(GdbCmdContext *gdb_ctx, void *user_ctx) gdb_continue(); } -static void handle_set_thread(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_set_thread(GArray *params, void *user_ctx) { CPUState *cpu; - if (gdb_ctx->num_params != 2) { + if (params->len != 2) { put_packet("E22"); return; } - if (gdb_ctx->params[1].thread_id.kind == GDB_READ_THREAD_ERR) { + if (get_param(params, 1)->thread_id.kind == GDB_READ_THREAD_ERR) { put_packet("E22"); return; } - if (gdb_ctx->params[1].thread_id.kind != GDB_ONE_THREAD) { + if (get_param(params, 1)->thread_id.kind != GDB_ONE_THREAD) { put_packet("OK"); return; } - cpu = gdb_get_cpu(gdb_ctx->params[1].thread_id.pid, - gdb_ctx->params[1].thread_id.tid); + cpu = gdb_get_cpu(get_param(params, 1)->thread_id.pid, + get_param(params, 1)->thread_id.tid); if (!cpu) { put_packet("E22"); return; @@ -1645,7 +1627,7 @@ static void handle_set_thread(GdbCmdContext *gdb_ctx, void *user_ctx) * Note: This command is deprecated and modern gdb's will be using the * vCont command instead. */ - switch (gdb_ctx->params[0].opcode) { + switch (get_param(params, 0)->opcode) { case 'c': gdbserver_state.c_cpu = cpu; put_packet("OK"); @@ -1660,18 +1642,18 @@ static void handle_set_thread(GdbCmdContext *gdb_ctx, void *user_ctx) } } -static void handle_insert_bp(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_insert_bp(GArray *params, void *user_ctx) { int res; - if (gdb_ctx->num_params != 3) { + if (params->len != 3) { put_packet("E22"); return; } - res = gdb_breakpoint_insert(gdb_ctx->params[0].val_ul, - gdb_ctx->params[1].val_ull, - gdb_ctx->params[2].val_ull); + res = gdb_breakpoint_insert(get_param(params, 0)->val_ul, + get_param(params, 1)->val_ull, + get_param(params, 2)->val_ull); if (res >= 0) { put_packet("OK"); return; @@ -1683,18 +1665,18 @@ static void handle_insert_bp(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet("E22"); } -static void handle_remove_bp(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_remove_bp(GArray *params, void *user_ctx) { int res; - if (gdb_ctx->num_params != 3) { + if (params->len != 3) { put_packet("E22"); return; } - res = gdb_breakpoint_remove(gdb_ctx->params[0].val_ul, - gdb_ctx->params[1].val_ull, - gdb_ctx->params[2].val_ull); + res = gdb_breakpoint_remove(get_param(params, 0)->val_ul, + get_param(params, 1)->val_ull, + get_param(params, 2)->val_ull); if (res >= 0) { put_packet("OK"); return; @@ -1717,7 +1699,7 @@ static void handle_remove_bp(GdbCmdContext *gdb_ctx, void *user_ctx) * the remote gdb to fallback to older methods. */ -static void handle_set_reg(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_set_reg(GArray *params, void *user_ctx) { int reg_size; @@ -1726,19 +1708,19 @@ static void handle_set_reg(GdbCmdContext *gdb_ctx, void *user_ctx) return; } - if (gdb_ctx->num_params != 2) { + if (params->len != 2) { put_packet("E22"); return; } - reg_size = strlen(gdb_ctx->params[1].data) / 2; - hextomem(gdbserver_state.mem_buf, gdb_ctx->params[1].data, reg_size); + reg_size = strlen(get_param(params, 1)->data) / 2; + hextomem(gdbserver_state.mem_buf, get_param(params, 1)->data, reg_size); gdb_write_register(gdbserver_state.g_cpu, gdbserver_state.mem_buf->data, - gdb_ctx->params[0].val_ull); + get_param(params, 0)->val_ull); put_packet("OK"); } -static void handle_get_reg(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_get_reg(GArray *params, void *user_ctx) { int reg_size; @@ -1747,14 +1729,14 @@ static void handle_get_reg(GdbCmdContext *gdb_ctx, void *user_ctx) return; } - if (!gdb_ctx->num_params) { + if (!params->len) { put_packet("E14"); return; } reg_size = gdb_read_register(gdbserver_state.g_cpu, gdbserver_state.mem_buf, - gdb_ctx->params[0].val_ull); + get_param(params, 0)->val_ull); if (!reg_size) { put_packet("E14"); return; @@ -1766,22 +1748,24 @@ static void handle_get_reg(GdbCmdContext *gdb_ctx, void *user_ctx) put_strbuf(); } -static void handle_write_mem(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_write_mem(GArray *params, void *user_ctx) { - if (gdb_ctx->num_params != 3) { + if (params->len != 3) { put_packet("E22"); return; } /* hextomem() reads 2*len bytes */ - if (gdb_ctx->params[1].val_ull > strlen(gdb_ctx->params[2].data) / 2) { + if (get_param(params, 1)->val_ull > + strlen(get_param(params, 2)->data) / 2) { put_packet("E22"); return; } - hextomem(gdbserver_state.mem_buf, gdb_ctx->params[2].data, - gdb_ctx->params[1].val_ull); - if (target_memory_rw_debug(gdbserver_state.g_cpu, gdb_ctx->params[0].val_ull, + hextomem(gdbserver_state.mem_buf, get_param(params, 2)->data, + get_param(params, 1)->val_ull); + if (target_memory_rw_debug(gdbserver_state.g_cpu, + get_param(params, 0)->val_ull, gdbserver_state.mem_buf->data, gdbserver_state.mem_buf->len, true)) { put_packet("E14"); @@ -1791,22 +1775,24 @@ static void handle_write_mem(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet("OK"); } -static void handle_read_mem(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_read_mem(GArray *params, void *user_ctx) { - if (gdb_ctx->num_params != 2) { + if (params->len != 2) { put_packet("E22"); return; } /* memtohex() doubles the required space */ - if (gdb_ctx->params[1].val_ull > MAX_PACKET_LENGTH / 2) { + if (get_param(params, 1)->val_ull > MAX_PACKET_LENGTH / 2) { put_packet("E22"); return; } - g_byte_array_set_size(gdbserver_state.mem_buf, gdb_ctx->params[1].val_ull); + g_byte_array_set_size(gdbserver_state.mem_buf, + get_param(params, 1)->val_ull); - if (target_memory_rw_debug(gdbserver_state.g_cpu, gdb_ctx->params[0].val_ull, + if (target_memory_rw_debug(gdbserver_state.g_cpu, + get_param(params, 0)->val_ull, gdbserver_state.mem_buf->data, gdbserver_state.mem_buf->len, false)) { put_packet("E14"); @@ -1818,19 +1804,19 @@ static void handle_read_mem(GdbCmdContext *gdb_ctx, void *user_ctx) put_strbuf(); } -static void handle_write_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_write_all_regs(GArray *params, void *user_ctx) { target_ulong addr, len; uint8_t *registers; int reg_size; - if (!gdb_ctx->num_params) { + if (!params->len) { return; } cpu_synchronize_state(gdbserver_state.g_cpu); - len = strlen(gdb_ctx->params[0].data) / 2; - hextomem(gdbserver_state.mem_buf, gdb_ctx->params[0].data, len); + len = strlen(get_param(params, 0)->data) / 2; + hextomem(gdbserver_state.mem_buf, get_param(params, 0)->data, len); registers = gdbserver_state.mem_buf->data; for (addr = 0; addr < gdbserver_state.g_cpu->gdb_num_g_regs && len > 0; addr++) { @@ -1841,7 +1827,7 @@ static void handle_write_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet("OK"); } -static void handle_read_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_read_all_regs(GArray *params, void *user_ctx) { target_ulong addr, len; @@ -1859,14 +1845,14 @@ static void handle_read_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx) put_strbuf(); } -static void handle_file_io(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_file_io(GArray *params, void *user_ctx) { - if (gdb_ctx->num_params >= 1 && gdbserver_state.current_syscall_cb) { + if (params->len >= 1 && gdbserver_state.current_syscall_cb) { target_ulong ret, err; - ret = (target_ulong)gdb_ctx->params[0].val_ull; - if (gdb_ctx->num_params >= 2) { - err = (target_ulong)gdb_ctx->params[1].val_ull; + ret = (target_ulong)get_param(params, 0)->val_ull; + if (params->len >= 2) { + err = (target_ulong)get_param(params, 1)->val_ull; } else { err = 0; } @@ -1874,7 +1860,7 @@ static void handle_file_io(GdbCmdContext *gdb_ctx, void *user_ctx) gdbserver_state.current_syscall_cb = NULL; } - if (gdb_ctx->num_params >= 3 && gdb_ctx->params[2].opcode == (uint8_t)'C') { + if (params->len >= 3 && get_param(params, 2)->opcode == (uint8_t)'C') { put_packet("T02"); return; } @@ -1882,23 +1868,23 @@ static void handle_file_io(GdbCmdContext *gdb_ctx, void *user_ctx) gdb_continue(); } -static void handle_step(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_step(GArray *params, void *user_ctx) { - if (gdb_ctx->num_params) { - gdb_set_cpu_pc((target_ulong)gdb_ctx->params[0].val_ull); + if (params->len) { + gdb_set_cpu_pc((target_ulong)get_param(params, 0)->val_ull); } cpu_single_step(gdbserver_state.c_cpu, get_sstep_flags()); gdb_continue(); } -static void handle_backward(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_backward(GArray *params, void *user_ctx) { if (replay_mode != REPLAY_MODE_PLAY) { put_packet("E22"); } - if (gdb_ctx->num_params == 1) { - switch (gdb_ctx->params[0].opcode) { + if (params->len == 1) { + switch (get_param(params, 0)->opcode) { case 's': if (replay_reverse_step()) { gdb_continue(); @@ -1920,20 +1906,20 @@ static void handle_backward(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet(""); } -static void handle_v_cont_query(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_v_cont_query(GArray *params, void *user_ctx) { put_packet("vCont;c;C;s;S"); } -static void handle_v_cont(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_v_cont(GArray *params, void *user_ctx) { int res; - if (!gdb_ctx->num_params) { + if (!params->len) { return; } - res = gdb_handle_vcont(gdb_ctx->params[0].data); + res = gdb_handle_vcont(get_param(params, 0)->data); if ((res == -EINVAL) || (res == -ERANGE)) { put_packet("E22"); } else if (res) { @@ -1941,17 +1927,17 @@ static void handle_v_cont(GdbCmdContext *gdb_ctx, void *user_ctx) } } -static void handle_v_attach(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_v_attach(GArray *params, void *user_ctx) { GDBProcess *process; CPUState *cpu; g_string_assign(gdbserver_state.str_buf, "E22"); - if (!gdb_ctx->num_params) { + if (!params->len) { goto cleanup; } - process = gdb_get_process(gdb_ctx->params[0].val_ul); + process = gdb_get_process(get_param(params, 0)->val_ul); if (!process) { goto cleanup; } @@ -1972,7 +1958,7 @@ cleanup: put_strbuf(); } -static void handle_v_kill(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_v_kill(GArray *params, void *user_ctx) { /* Kill the target */ put_packet("OK"); @@ -2007,43 +1993,43 @@ static const GdbCmdParseEntry gdb_v_commands_table[] = { }, }; -static void handle_v_commands(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_v_commands(GArray *params, void *user_ctx) { - if (!gdb_ctx->num_params) { + if (!params->len) { return; } - if (process_string_cmd(NULL, gdb_ctx->params[0].data, + if (process_string_cmd(NULL, get_param(params, 0)->data, gdb_v_commands_table, ARRAY_SIZE(gdb_v_commands_table))) { put_packet(""); } } -static void handle_query_qemu_sstepbits(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_qemu_sstepbits(GArray *params, void *user_ctx) { g_string_printf(gdbserver_state.str_buf, "ENABLE=%x,NOIRQ=%x,NOTIMER=%x", SSTEP_ENABLE, SSTEP_NOIRQ, SSTEP_NOTIMER); put_strbuf(); } -static void handle_set_qemu_sstep(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_set_qemu_sstep(GArray *params, void *user_ctx) { - if (!gdb_ctx->num_params) { + if (!params->len) { return; } - sstep_flags = gdb_ctx->params[0].val_ul; + sstep_flags = get_param(params, 0)->val_ul; put_packet("OK"); } -static void handle_query_qemu_sstep(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_qemu_sstep(GArray *params, void *user_ctx) { g_string_printf(gdbserver_state.str_buf, "0x%x", sstep_flags); put_strbuf(); } -static void handle_query_curr_tid(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_curr_tid(GArray *params, void *user_ctx) { CPUState *cpu; GDBProcess *process; @@ -2060,7 +2046,7 @@ static void handle_query_curr_tid(GdbCmdContext *gdb_ctx, void *user_ctx) put_strbuf(); } -static void handle_query_threads(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_threads(GArray *params, void *user_ctx) { if (!gdbserver_state.query_cpu) { put_packet("l"); @@ -2073,25 +2059,25 @@ static void handle_query_threads(GdbCmdContext *gdb_ctx, void *user_ctx) gdbserver_state.query_cpu = gdb_next_attached_cpu(gdbserver_state.query_cpu); } -static void handle_query_first_threads(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_first_threads(GArray *params, void *user_ctx) { gdbserver_state.query_cpu = gdb_first_attached_cpu(); - handle_query_threads(gdb_ctx, user_ctx); + handle_query_threads(params, user_ctx); } -static void handle_query_thread_extra(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_thread_extra(GArray *params, void *user_ctx) { g_autoptr(GString) rs = g_string_new(NULL); CPUState *cpu; - if (!gdb_ctx->num_params || - gdb_ctx->params[0].thread_id.kind == GDB_READ_THREAD_ERR) { + if (!params->len || + get_param(params, 0)->thread_id.kind == GDB_READ_THREAD_ERR) { put_packet("E22"); return; } - cpu = gdb_get_cpu(gdb_ctx->params[0].thread_id.pid, - gdb_ctx->params[0].thread_id.tid); + cpu = gdb_get_cpu(get_param(params, 0)->thread_id.pid, + get_param(params, 0)->thread_id.tid); if (!cpu) { return; } @@ -2116,7 +2102,7 @@ static void handle_query_thread_extra(GdbCmdContext *gdb_ctx, void *user_ctx) } #ifdef CONFIG_USER_ONLY -static void handle_query_offsets(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_offsets(GArray *params, void *user_ctx) { TaskState *ts; @@ -2131,17 +2117,17 @@ static void handle_query_offsets(GdbCmdContext *gdb_ctx, void *user_ctx) put_strbuf(); } #else -static void handle_query_rcmd(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_rcmd(GArray *params, void *user_ctx) { const guint8 zero = 0; int len; - if (!gdb_ctx->num_params) { + if (!params->len) { put_packet("E22"); return; } - len = strlen(gdb_ctx->params[0].data); + len = strlen(get_param(params, 0)->data); if (len % 2) { put_packet("E01"); return; @@ -2149,7 +2135,7 @@ static void handle_query_rcmd(GdbCmdContext *gdb_ctx, void *user_ctx) g_assert(gdbserver_state.mem_buf->len == 0); len = len / 2; - hextomem(gdbserver_state.mem_buf, gdb_ctx->params[0].data, len); + hextomem(gdbserver_state.mem_buf, get_param(params, 0)->data, len); g_byte_array_append(gdbserver_state.mem_buf, &zero, 1); qemu_chr_be_write(gdbserver_state.mon_chr, gdbserver_state.mem_buf->data, gdbserver_state.mem_buf->len); @@ -2157,7 +2143,7 @@ static void handle_query_rcmd(GdbCmdContext *gdb_ctx, void *user_ctx) } #endif -static void handle_query_supported(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_supported(GArray *params, void *user_ctx) { CPUClass *cc; @@ -2178,8 +2164,8 @@ static void handle_query_supported(GdbCmdContext *gdb_ctx, void *user_ctx) } #endif - if (gdb_ctx->num_params && - strstr(gdb_ctx->params[0].data, "multiprocess+")) { + if (params->len && + strstr(get_param(params, 0)->data, "multiprocess+")) { gdbserver_state.multiprocess = true; } @@ -2187,7 +2173,7 @@ static void handle_query_supported(GdbCmdContext *gdb_ctx, void *user_ctx) put_strbuf(); } -static void handle_query_xfer_features(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_xfer_features(GArray *params, void *user_ctx) { GDBProcess *process; CPUClass *cc; @@ -2195,7 +2181,7 @@ static void handle_query_xfer_features(GdbCmdContext *gdb_ctx, void *user_ctx) const char *xml; const char *p; - if (gdb_ctx->num_params < 3) { + if (params->len < 3) { put_packet("E22"); return; } @@ -2208,15 +2194,15 @@ static void handle_query_xfer_features(GdbCmdContext *gdb_ctx, void *user_ctx) } gdb_has_xml = true; - p = gdb_ctx->params[0].data; + p = get_param(params, 0)->data; xml = get_feature_xml(p, &p, process); if (!xml) { put_packet("E00"); return; } - addr = gdb_ctx->params[1].val_ul; - len = gdb_ctx->params[2].val_ul; + addr = get_param(params, 1)->val_ul; + len = get_param(params, 2)->val_ul; total_len = strlen(xml); if (addr > total_len) { put_packet("E00"); @@ -2240,18 +2226,18 @@ static void handle_query_xfer_features(GdbCmdContext *gdb_ctx, void *user_ctx) } #if defined(CONFIG_USER_ONLY) && defined(CONFIG_LINUX_USER) -static void handle_query_xfer_auxv(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_xfer_auxv(GArray *params, void *user_ctx) { TaskState *ts; unsigned long offset, len, saved_auxv, auxv_len; - if (gdb_ctx->num_params < 2) { + if (params->len < 2) { put_packet("E22"); return; } - offset = gdb_ctx->params[0].val_ul; - len = gdb_ctx->params[1].val_ul; + offset = get_param(params, 0)->val_ul; + len = get_param(params, 1)->val_ul; ts = gdbserver_state.c_cpu->opaque; saved_auxv = ts->info->saved_auxv; auxv_len = ts->info->auxv_len; @@ -2286,12 +2272,12 @@ static void handle_query_xfer_auxv(GdbCmdContext *gdb_ctx, void *user_ctx) } #endif -static void handle_query_attached(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_attached(GArray *params, void *user_ctx) { put_packet(GDB_ATTACHED); } -static void handle_query_qemu_supported(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_query_qemu_supported(GArray *params, void *user_ctx) { g_string_printf(gdbserver_state.str_buf, "sstepbits;sstep"); #ifndef CONFIG_USER_ONLY @@ -2301,21 +2287,21 @@ static void handle_query_qemu_supported(GdbCmdContext *gdb_ctx, void *user_ctx) } #ifndef CONFIG_USER_ONLY -static void handle_query_qemu_phy_mem_mode(GdbCmdContext *gdb_ctx, +static void handle_query_qemu_phy_mem_mode(GArray *params, void *user_ctx) { g_string_printf(gdbserver_state.str_buf, "%d", phy_memory_mode); put_strbuf(); } -static void handle_set_qemu_phy_mem_mode(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_set_qemu_phy_mem_mode(GArray *params, void *user_ctx) { - if (!gdb_ctx->num_params) { + if (!params->len) { put_packet("E22"); return; } - if (!gdb_ctx->params[0].val_ul) { + if (!get_param(params, 0)->val_ul) { phy_memory_mode = 0; } else { phy_memory_mode = 1; @@ -2438,45 +2424,45 @@ static const GdbCmdParseEntry gdb_gen_set_table[] = { #endif }; -static void handle_gen_query(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_gen_query(GArray *params, void *user_ctx) { - if (!gdb_ctx->num_params) { + if (!params->len) { return; } - if (!process_string_cmd(NULL, gdb_ctx->params[0].data, + if (!process_string_cmd(NULL, get_param(params, 0)->data, gdb_gen_query_set_common_table, ARRAY_SIZE(gdb_gen_query_set_common_table))) { return; } - if (process_string_cmd(NULL, gdb_ctx->params[0].data, + if (process_string_cmd(NULL, get_param(params, 0)->data, gdb_gen_query_table, ARRAY_SIZE(gdb_gen_query_table))) { put_packet(""); } } -static void handle_gen_set(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_gen_set(GArray *params, void *user_ctx) { - if (!gdb_ctx->num_params) { + if (!params->len) { return; } - if (!process_string_cmd(NULL, gdb_ctx->params[0].data, + if (!process_string_cmd(NULL, get_param(params, 0)->data, gdb_gen_query_set_common_table, ARRAY_SIZE(gdb_gen_query_set_common_table))) { return; } - if (process_string_cmd(NULL, gdb_ctx->params[0].data, + if (process_string_cmd(NULL, get_param(params, 0)->data, gdb_gen_set_table, ARRAY_SIZE(gdb_gen_set_table))) { put_packet(""); } } -static void handle_target_halt(GdbCmdContext *gdb_ctx, void *user_ctx) +static void handle_target_halt(GArray *params, void *user_ctx) { g_string_printf(gdbserver_state.str_buf, "T%02xthread:", GDB_SIGNAL_TRAP); gdb_append_thread_id(gdbserver_state.c_cpu, gdbserver_state.str_buf);