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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id u10sm2683386ilq.76.2022.01.09.08.19.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Jan 2022 08:19:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3+mDsyE6iKW/0OlAkZLrdWVvhPaN3N+mGKQdNQNNxRM=; b=F39kkwpo0rH2GF3Qwo/hur6eSDX0eQwZcaTyiSoz+UvZ3/Q6dWdrXKSUNv9dUWbXQn q5nNi6bdmpRD4ZVok+HYZcpC8E9nK0dCPzTGwS7T9xMBEyfrE37Uvgje0l8d3tJR0TCl YS7gmzd001Puxw8fjhuzOstXY8pBh1dYjEKKzariGgTodXwhMQtBMdRhUUR6c1UtEZaj ajdMK+3FDwYMgNjjvKpf5pMrWsLSKSWssbaKsmGN/ssGmbsebgVXUeL0U6sWJvRHT52c 0CA1R4sVzbWrksrP8RLxbxIfi0MTmFspKrOhdgff0eqTyHUCUPFgEAEz/C52rEQUexGQ 4GiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3+mDsyE6iKW/0OlAkZLrdWVvhPaN3N+mGKQdNQNNxRM=; b=VkYrqPeC049axiGMi9r/lTRuLTweS64ZqPPzujHrVEpbJHB0TTY7RdygMoOJ5ta643 bGRKbm8ker06HgFaZ4cjykknDj0nUUEvSFsS1+bXBYviLGohhsdZsG1NSTR7zviDbHxl Or1FS1lchyB9ybstBHzzFxK+hKCXzEE1K6QmkG9nlmJzUId053Plc79S551UULkihJIU D88usQcPCwH2XBRGyy3koWyiL+AU0cminzAOjGXcJWojZBTUlTSruSCxU8jZ1gBaHtu0 7cO6nh7PENuj3lXYLu86hEyZ++dw5nAT/JkbtO8lDffiEI3vjORvYgvMKy1sDOD+3UGj mrFA== X-Gm-Message-State: AOAM532Dy1sDbS4Mc6sGvOQ3/RfZyT2kUdtDpYKAeRTx7N4K+fl/XSFH R7USM83KXTCCEjL23SVbGIGyUB4KnAQ8jwpJ X-Google-Smtp-Source: ABdhPJwJHJwqzzWTTro2FJ97Z8BufOfgUeJI/umXoQuH1NW80ioa3mTHgFygCBng/pqg4CAkoW9smQ== X-Received: by 2002:a05:6638:359f:: with SMTP id v31mr32430668jal.59.1641745184902; Sun, 09 Jan 2022 08:19:44 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH 13/30] bsd-user/host/x86_64/host-signal.h: Implement host_signal_* Date: Sun, 9 Jan 2022 09:19:06 -0700 Message-Id: <20220109161923.85683-14-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220109161923.85683-1-imp@bsdimp.com> References: <20220109161923.85683-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::d36 (failed) 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: none client-ip=2607:f8b0:4864:20::d36; envelope-from=imp@bsdimp.com; helo=mail-io1-xd36.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=no 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: , Cc: Kyle Evans , Warner Losh Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bsdimp-com.20210112.gappssmtp.com) X-ZM-MESSAGEID: 1641746232913100001 Content-Type: text/plain; charset="utf-8" Implement host_signal_pc, host_signal_set_pc and host_signal_write for x86_64. Signed-off-by: Kyle Evans Signed-off-by: Warner Losh Reviewed-by: Peter Maydell Reviewed-by: Richard Henderson --- bsd-user/host/x86_64/host-signal.h | 37 ++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 bsd-user/host/x86_64/host-signal.h diff --git a/bsd-user/host/x86_64/host-signal.h b/bsd-user/host/x86_64/host= -signal.h new file mode 100644 index 00000000000..43961685df1 --- /dev/null +++ b/bsd-user/host/x86_64/host-signal.h @@ -0,0 +1,37 @@ +/* + * host-signal.h: signal info dependent on the host architecture + * + * Copyright (c) 2021 Warner Losh + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef X86_64_HOST_SIGNAL_H +#define X86_64_HOST_SIGNAL_H + +#include +#include +#include +#include + +static inline uintptr_t host_signal_pc(ucontext_t *uc) +{ + return uc->uc_mcontext.mc_rip; +} + +static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +{ + uc->uc_mcontext.mc_rip =3D pc; +} + +static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +{ + /* + * Look in sys/amd64/amd64/trap.c. NOTE: mc_err =3D=3D tr_err due to t= ype punning + * between a trapframe and mcontext on FreeBSD/amd64. + */ + return uc->uc_mcontext.mc_trapno =3D=3D T_PAGEFLT && + uc->uc_mcontext.mc_err & PGEX_W; +} + +#endif --=20 2.33.1