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GET /api/patches/2202612/?format=api
{ "id": 2202612, "url": "http://patchwork.ozlabs.org/api/patches/2202612/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260227213958.21170-4-philmd@linaro.org/", "project": { "id": 69, "url": "http://patchwork.ozlabs.org/api/projects/69/?format=api", "name": "QEMU powerpc development", "link_name": "qemu-ppc", "list_id": "qemu-ppc.nongnu.org", "list_email": "qemu-ppc@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260227213958.21170-4-philmd@linaro.org>", "list_archive_url": null, "date": "2026-02-27T21:39:57", "name": "[3/4] gdbstub: Emit base_register index in GDBFeature entries", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "25f1ede89db0c5bec96ce7dcdf492d30413cb4a8", "submitter": { "id": 85046, "url": "http://patchwork.ozlabs.org/api/people/85046/?format=api", "name": "Philippe Mathieu-Daudé", "email": "philmd@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260227213958.21170-4-philmd@linaro.org/mbox/", "series": [ { "id": 493819, "url": "http://patchwork.ozlabs.org/api/series/493819/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-ppc/list/?series=493819", "date": "2026-02-27T21:39:54", "name": "gdbstub: Always infer base register index from GDB XML", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/493819/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2202612/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2202612/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-ppc-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=nZcY9jq+;\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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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::32a;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x32a.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,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-ppc@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<qemu-ppc.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-ppc>,\n <mailto:qemu-ppc-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-ppc>", "List-Post": "<mailto:qemu-ppc@nongnu.org>", "List-Help": "<mailto:qemu-ppc-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-ppc>,\n <mailto:qemu-ppc-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Record the base register index in the generated C file.\n\nCheck at runtime that either @g_pos argument of\ngdb_register_coprocessor() is zero, or it the base register\nindex.\n\nThis change pass 'make check-tcg' test suite, which runs the\ntests/tcg/multiarch/gdbstub/registers.py test, itself calling\ngdb_register_coprocessor() for each target tested.\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\n---\n include/exec/gdbstub.h | 1 +\n gdbstub/gdbstub.c | 2 ++\n scripts/feature_to_c.py | 1 +\n 3 files changed, 4 insertions(+)", "diff": "diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h\nindex bd7182c4d32..12e7b5b7282 100644\n--- a/include/exec/gdbstub.h\n+++ b/include/exec/gdbstub.h\n@@ -6,6 +6,7 @@ typedef struct GDBFeature {\n const char *xml;\n const char *name;\n const char * const *regs;\n+ int base_reg;\n int num_regs;\n } GDBFeature;\n \ndiff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c\nindex 90f4b95135b..6eadae3804e 100644\n--- a/gdbstub/gdbstub.c\n+++ b/gdbstub/gdbstub.c\n@@ -610,6 +610,8 @@ void gdb_register_coprocessor(CPUState *cpu,\n guint i;\n int base_reg = cpu->gdb_num_regs;\n \n+ assert(!g_pos || g_pos == feature->base_reg);\n+\n for (i = 0; i < cpu->gdb_regs->len; i++) {\n /* Check for duplicates. */\n s = &g_array_index(cpu->gdb_regs, GDBRegisterState, i);\ndiff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py\nindex 1329695ad04..a52cd2e9ec6 100644\n--- a/scripts/feature_to_c.py\n+++ b/scripts/feature_to_c.py\n@@ -102,6 +102,7 @@ def writeliteral(indent, bytes):\n sys.stdout.write(',\\n')\n \n sys.stdout.write( ' },\\n')\n+ sys.stdout.write(f' .base_reg = {base_reg},\\n')\n sys.stdout.write(f' .num_regs = {num_regs},\\n')\n sys.stdout.write( ' },\\n')\n \n", "prefixes": [ "3/4" ] }