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[27.32.110.191]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-207946046cbsm37482545ad.105.2024.09.16.08.51.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Sep 2024 08:51:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726501918; x=1727106718; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Eptwr1B6TaRaZQ7aEdRCfkv5ZrQAsR2zaI7/YwKtIOQ=; b=ItV7tQpZWSE6upn7bgVz/LT4cu8yvNOJmWB4P5VcBoJ6moVLrO1qAP7Gy7WN9fPEvS Wi9gNI7BHNFmJY0xDj+BNvnmRW21zc9lSpfIvEvCzmcRU/vyT2lhr89xN20flnXAQcak iDyezBMXij4lH/BkIqY58VCgJ3vfvJinpQ1S3CkEXjQ2bhdNFWvuHieOfZRcqP9N0xsf uApy+kywus9zN67XqGomFMNG2wu7x2YI0uIAq6VRms3QZYAX4dZVyQE1Rtd2hMgn3YMp EaAXV1893OYJUjplgkOMQ0kpVv6Few/Z83lMxB9m5CDRbq/kQ2fnqPLFJ1vr2IJGStzf wUgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726501918; x=1727106718; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Eptwr1B6TaRaZQ7aEdRCfkv5ZrQAsR2zaI7/YwKtIOQ=; b=A4gGa/aecOLhHi7Oa4ICZm51kPtCesj/kltnSHVnPECt6zsag80DaOrbpRW+pyVMr/ a0YQBFmMnmVnBNNZdO5/FHfelX4zjkFqZap3jsUYYnxoCK6WwHuEAhgFogYNYa3vUteH LCSi+R8NU+gdZFRC5Q5u3rj6ETjge9nShE0qY0nIG+vLeCIt0SPx4GqMQkXiNRL4ycGd tAhjy3hcS9yBVz6+JsO28luai/12PgVOdNUqyKMDzQu8cqibS34lT6jnQdH3hoaHfMec IaPTdHF7ZvMOdTmDB4JcLcM0K/22EejBoBRI5Jg3sXccwNWvUrXfZrsNPugRL2dFo68v cpJA== X-Forwarded-Encrypted: i=1; AJvYcCWRtYzMvq8L4mVMI/4UjFZsxco6UoZ5Gjb1FIeWyYq55vw2wKObYApalgySUeRObud+0L7pdc8FHU9K@nongnu.org X-Gm-Message-State: AOJu0Yy6EA7g2SSJ8kJoCi6eUYcknw65jXr7ULwAwExtb4N4i80B811P LrpszWhrb1r200bZrlpXaArDWynwa1UdsU8xxs90+G9onmIH+vPlouRdD0pY X-Google-Smtp-Source: AGHT+IHM2bnnYQCF1nvsBijdOog5wWRv0VGbUVTOu9qowXHr8vp50ttw4J5IBeIdHIK5mLDZYypyww== X-Received: by 2002:a17:902:f684:b0:207:1828:82fd with SMTP id d9443c01a7336-2076e37abf5mr219771225ad.28.1726501917792; Mon, 16 Sep 2024 08:51:57 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Alistair Francis , Mark Corbin , qemu-riscv@nongnu.org, Warner Losh , Daniel Henrique Barboza , Ajeet Singh , Richard Henderson Subject: [PATCH v7 07/17] bsd-user: Add RISC-V signal trampoline setup function Date: Tue, 17 Sep 2024 01:51:09 +1000 Message-Id: <20240916155119.14610-8-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240916155119.14610-1-itachis@FreeBSD.org> References: <20240916155119.14610-1-itachis@FreeBSD.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::630; envelope-from=itachis6234@gmail.com; helo=mail-pl1-x630.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1726502016820116600 Content-Type: text/plain; charset="utf-8" From: Mark Corbin Implemented the 'setup_sigtramp' function for setting up the signal trampoline code in the RISC-V architecture. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/riscv/target_arch_sigtramp.h | 41 +++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 bsd-user/riscv/target_arch_sigtramp.h diff --git a/bsd-user/riscv/target_arch_sigtramp.h b/bsd-user/riscv/target_= arch_sigtramp.h new file mode 100644 index 0000000000..dfe5076739 --- /dev/null +++ b/bsd-user/riscv/target_arch_sigtramp.h @@ -0,0 +1,41 @@ +/* + * RISC-V sigcode + * + * Copyright (c) 2019 Mark Corbin + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#ifndef TARGET_ARCH_SIGTRAMP_H +#define TARGET_ARCH_SIGTRAMP_H + +/* Compare with sigcode() in riscv/riscv/locore.S */ +static inline abi_long setup_sigtramp(abi_ulong offset, unsigned sigf_uc, + unsigned sys_sigreturn) +{ + uint32_t sys_exit =3D TARGET_FREEBSD_NR_exit; + + uint32_t sigtramp_code[] =3D { + /*1*/ const_le32(0x00010513), /*mv a0, sp*/ + /*2*/ const_le32(0x00050513 + (sigf_uc << 20)), /*addi a0,a0,sigf= _uc*/ + /*3*/ const_le32(0x00000293 + (sys_sigreturn << 20)),/*li t0,sys_sigre= turn*/ + /*4*/ const_le32(0x00000073), /*ecall*/ + /*5*/ const_le32(0x00000293 + (sys_exit << 20)), /*li t0,sys_exit*/ + /*6*/ const_le32(0x00000073), /*ecall*/ + /*7*/ const_le32(0xFF1FF06F) /*b -16*/ + }; + + return memcpy_to_target(offset, sigtramp_code, TARGET_SZSIGCODE); +} +#endif /* TARGET_ARCH_SIGTRAMP_H */ --=20 2.34.1