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GET /api/1.1/patches/2220674/?format=api
{ "id": 2220674, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220674/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260407043614.372871-3-alistair.francis@wdc.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260407043614.372871-3-alistair.francis@wdc.com>", "date": "2026-04-07T04:36:11", "name": "[2/5] linux-user/strace: Add a wrapper for read and write", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "679d3659f959a294d59031b2e47197fb862e0eb0", "submitter": { "id": 64571, "url": "http://patchwork.ozlabs.org/api/1.1/people/64571/?format=api", "name": "Alistair Francis", "email": "alistair23@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260407043614.372871-3-alistair.francis@wdc.com/mbox/", "series": [ { "id": 499030, "url": "http://patchwork.ozlabs.org/api/1.1/series/499030/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499030", "date": "2026-04-07T04:36:12", "name": "target/riscv: A collection of bug fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499030/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220674/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220674/checks/", "tags": {}, "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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=j1r1947w;\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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helo=mail-pf1-x42b.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 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 FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\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-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <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: Alistair Francis <alistair.francis@wdc.com>\n\nThe stack pointer is being truncated as 32-bits for qemu-riscv64, so\nlet's add a print_read_write helper that ensures all of the bits are\nprinted.\n\nResolves: https://gitlab.com/qemu-project/qemu/-/work_items/3238\nSigned-off-by: Alistair Francis <alistair.francis@wdc.com>\n---\n linux-user/strace.c | 14 ++++++++++++++\n linux-user/strace.list | 4 ++--\n 2 files changed, 16 insertions(+), 2 deletions(-)", "diff": "diff --git a/linux-user/strace.c b/linux-user/strace.c\nindex 2cbaf94c89..023173857b 100644\n--- a/linux-user/strace.c\n+++ b/linux-user/strace.c\n@@ -4309,6 +4309,20 @@ print_tgkill(CPUArchState *cpu_env, const struct syscallname *name,\n }\n #endif\n \n+#if defined(TARGET_NR_read) || defined(TARGET_NR_write)\n+static void\n+print_read_write(CPUArchState *cpu_env, const struct syscallname *name,\n+ abi_long arg0, abi_long arg1, abi_long arg2,\n+ abi_long arg3, abi_long arg4, abi_long arg5)\n+{\n+ print_syscall_prologue(name);\n+ print_raw_param(\"%d\", arg0, 0);\n+ print_pointer(arg1, 0);\n+ print_raw_param(\"%d\", arg2, 1);\n+ print_syscall_epilogue(name);\n+}\n+#endif\n+\n #if defined(TARGET_NR_pread64) || defined(TARGET_NR_pwrite64)\n static void\n print_pread64(CPUArchState *cpu_env, const struct syscallname *name,\ndiff --git a/linux-user/strace.list b/linux-user/strace.list\nindex 35f001fecd..239b9e18b4 100644\n--- a/linux-user/strace.list\n+++ b/linux-user/strace.list\n@@ -1114,7 +1114,7 @@\n { TARGET_NR_quotactl, \"quotactl\" , NULL, NULL, NULL },\n #endif\n #ifdef TARGET_NR_read\n-{ TARGET_NR_read, \"read\" , \"%s(%d,%#x,%d)\", NULL, NULL },\n+{ TARGET_NR_read, \"read\" , NULL, print_read_write, NULL },\n #endif\n #ifdef TARGET_NR_readahead\n { TARGET_NR_readahead, \"readahead\" , NULL, NULL, NULL },\n@@ -1674,7 +1674,7 @@\n print_syscall_ret_waitpid },\n #endif\n #ifdef TARGET_NR_write\n-{ TARGET_NR_write, \"write\" , \"%s(%d,%#x,%d)\", NULL, NULL },\n+{ TARGET_NR_write, \"write\" , NULL, print_read_write, NULL },\n #endif\n #ifdef TARGET_NR_writev\n { TARGET_NR_writev, \"writev\" , \"%s(%d,%p,%#x)\", NULL, NULL },\n", "prefixes": [ "2/5" ] }