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GET /api/patches/1882151/?format=api
{ "id": 1882151, "url": "http://patchwork.ozlabs.org/api/patches/1882151/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20240103173349.398526-36-alex.bennee@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20240103173349.398526-36-alex.bennee@linaro.org>", "list_archive_url": null, "date": "2024-01-03T17:33:41", "name": "[v2,35/43] gdbstub: Add members to identify registers to GDBFeature", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7cadc40cc7bd23488d945c688b2101688ccc3771", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20240103173349.398526-36-alex.bennee@linaro.org/mbox/", "series": [ { "id": 388742, "url": "http://patchwork.ozlabs.org/api/series/388742/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=388742", "date": "2024-01-03T17:33:08", "name": "testing and plugin updates for 9.0 (pre-PR)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/388742/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1882151/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1882151/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=LILrE4u+;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Iglesias\" <edgar.iglesias@gmail.com>,\n Eduardo Habkost <eduardo@habkost.net>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>, qemu-riscv@nongnu.org,\n Alistair Francis <alistair.francis@wdc.com>,\n Akihiko Odaki <akihiko.odaki@daynix.com>", "Subject": "[PATCH v2 35/43] gdbstub: Add members to identify registers to\n GDBFeature", "Date": "Wed, 3 Jan 2024 17:33:41 +0000", "Message-Id": "<20240103173349.398526-36-alex.bennee@linaro.org>", "X-Mailer": "git-send-email 2.39.2", "In-Reply-To": "<20240103173349.398526-1-alex.bennee@linaro.org>", "References": "<20240103173349.398526-1-alex.bennee@linaro.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::32d;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32d.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001,\n T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Akihiko Odaki <akihiko.odaki@daynix.com>\n\nThese members will be used to help plugins to identify registers.\nThe added members in instances of GDBFeature dynamically generated by\nCPUs will be filled in later changes.\n\nSigned-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>\nMessage-Id: <20231213-gdb-v17-10-777047380591@daynix.com>\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n include/exec/gdbstub.h | 3 +++\n gdbstub/gdbstub.c | 12 +++++++++---\n target/riscv/gdbstub.c | 4 +---\n scripts/feature_to_c.py | 14 +++++++++++++-\n 4 files changed, 26 insertions(+), 7 deletions(-)", "diff": "diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h\nindex 82a8afa237f..da9ddfe54c5 100644\n--- a/include/exec/gdbstub.h\n+++ b/include/exec/gdbstub.h\n@@ -13,12 +13,15 @@\n typedef struct GDBFeature {\n const char *xmlname;\n const char *xml;\n+ const char *name;\n+ const char * const *regs;\n int num_regs;\n } GDBFeature;\n \n typedef struct GDBFeatureBuilder {\n GDBFeature *feature;\n GPtrArray *xml;\n+ GPtrArray *regs;\n int base_reg;\n } GDBFeatureBuilder;\n \ndiff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c\nindex 801eba9a0b0..420ab2a3766 100644\n--- a/gdbstub/gdbstub.c\n+++ b/gdbstub/gdbstub.c\n@@ -419,9 +419,10 @@ void gdb_feature_builder_init(GDBFeatureBuilder *builder, GDBFeature *feature,\n builder->feature = feature;\n builder->xml = g_ptr_array_new();\n g_ptr_array_add(builder->xml, header);\n+ builder->regs = g_ptr_array_new();\n builder->base_reg = base_reg;\n feature->xmlname = xmlname;\n- feature->num_regs = 0;\n+ feature->name = name;\n }\n \n void gdb_feature_builder_append_tag(const GDBFeatureBuilder *builder,\n@@ -440,10 +441,12 @@ void gdb_feature_builder_append_reg(const GDBFeatureBuilder *builder,\n const char *type,\n const char *group)\n {\n- if (builder->feature->num_regs < regnum) {\n- builder->feature->num_regs = regnum;\n+ if (builder->regs->len <= regnum) {\n+ g_ptr_array_set_size(builder->regs, regnum + 1);\n }\n \n+ builder->regs->pdata[regnum] = (gpointer *)name;\n+\n if (group) {\n gdb_feature_builder_append_tag(\n builder,\n@@ -469,6 +472,9 @@ void gdb_feature_builder_end(const GDBFeatureBuilder *builder)\n }\n \n g_ptr_array_free(builder->xml, TRUE);\n+\n+ builder->feature->num_regs = builder->regs->len;\n+ builder->feature->regs = (void *)g_ptr_array_free(builder->regs, FALSE);\n }\n \n const GDBFeature *gdb_find_static_feature(const char *xmlname)\ndiff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c\nindex 68d0fdc1fd6..d9b52ffd09b 100644\n--- a/target/riscv/gdbstub.c\n+++ b/target/riscv/gdbstub.c\n@@ -266,11 +266,9 @@ static GDBFeature *riscv_gen_dynamic_csr_feature(CPUState *cs, int base_reg)\n }\n predicate = csr_ops[i].predicate;\n if (predicate && (predicate(env, i) == RISCV_EXCP_NONE)) {\n- g_autofree char *dynamic_name = NULL;\n name = csr_ops[i].name;\n if (!name) {\n- dynamic_name = g_strdup_printf(\"csr%03x\", i);\n- name = dynamic_name;\n+ name = g_strdup_printf(\"csr%03x\", i);\n }\n \n gdb_feature_builder_append_reg(&builder, name, bitsize, i,\ndiff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py\nindex e04d6b2df7f..807af0e685c 100644\n--- a/scripts/feature_to_c.py\n+++ b/scripts/feature_to_c.py\n@@ -50,7 +50,9 @@ def writeliteral(indent, bytes):\n sys.stderr.write(f'unexpected start tag: {element.tag}\\n')\n exit(1)\n \n+ feature_name = element.attrib['name']\n regnum = 0\n+ regnames = []\n regnums = []\n tags = ['feature']\n for event, element in events:\n@@ -67,6 +69,7 @@ def writeliteral(indent, bytes):\n if 'regnum' in element.attrib:\n regnum = int(element.attrib['regnum'])\n \n+ regnames.append(element.attrib['name'])\n regnums.append(regnum)\n regnum += 1\n \n@@ -85,6 +88,15 @@ def writeliteral(indent, bytes):\n writeliteral(8, bytes(os.path.basename(input), 'utf-8'))\n sys.stdout.write(',\\n')\n writeliteral(8, read)\n- sys.stdout.write(f',\\n {num_regs},\\n }},\\n')\n+ sys.stdout.write(',\\n')\n+ writeliteral(8, bytes(feature_name, 'utf-8'))\n+ sys.stdout.write(',\\n (const char * const []) {\\n')\n+\n+ for index, regname in enumerate(regnames):\n+ sys.stdout.write(f' [{regnums[index] - base_reg}] =\\n')\n+ writeliteral(16, bytes(regname, 'utf-8'))\n+ sys.stdout.write(',\\n')\n+\n+ sys.stdout.write(f' }},\\n {num_regs},\\n }},\\n')\n \n sys.stdout.write(' { NULL }\\n};\\n')\n", "prefixes": [ "v2", "35/43" ] }