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([144.6.121.55]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-248e3e0b75esm15129025ad.8.2025.08.28.05.13.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Aug 2025 05:13:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756383204; x=1756988004; 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=adyrdy+wc3AR55BfEtJwCQ42orjEroZu6e7hfMaKNNQ=; b=NxPIhVqbipkGH1uVVGo61LHCo3O+WxdIUreTx9SeXPndCaAtu60BcoEYejvriZyOsA NCCOmOx/eMLpV/2f7R8tJ9iSdamGPaOiZVQSUMge1ftiSJNAkJJzDn9oTstzkMrAtJqr xbkL9d3KAjVFtiwuY8tdLlPYs4sqXz0tX090GIMxoar3B8Bebo4EWAPVGFE0xsVOj4TW o6EK3MTC2zfQICo7dgc+RAR1AiQG69+G8YN2SzhJ9IakM/G7CG0oZPmq6eE4xnEl8jzA dvV5xaCJx3isnxZ7q36ymTw0xUwz9u0awDiKGAeUlIR6QuYyH46TELqd1ZZtBexzTeaZ mVJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756383204; x=1756988004; 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=adyrdy+wc3AR55BfEtJwCQ42orjEroZu6e7hfMaKNNQ=; b=kGmG2I2YZjWrz3qWavqVRgocfC5sr9tUIUYkI6I0IaheRSfAWO1GAyj38EKj7+vx3L s+mlqCe5t4ZCMM10wPE96urPiXMGgfU4ruvOFr2FIEBZiQvRH6cUv7G3bT9HVSgcx7PT qjC0M3gBF+b4sNYT+JkQE8s87fYiRc2KMlBPpDeCOC3YamhE2Uun8+Q+ISMqX7hXHril jZXUBpqee2ftKeYgz3IFbBKHp6PWY5vNYs43ELSdACpNyX3KmeZim3z5jmikJiSIS3yS lkyRJ4aAgMeDW96bMRl+GrY4iEkLHxWUBiuYiCl42m4FqoXqqjK3SlvQCd4SRea6vzg9 vm4w== X-Gm-Message-State: AOJu0Yz3U3B7yYfeCiEQivBsW9tYse8SCNFrqro8+u1Sq1lZEMOTxhQf OmJUWh0s5u3GcjuY4QDXZq2/xxB6S1dKyoXgm/MdnLKBBuLCp9Oe8NT/SEDCjAl4UDBhDWFpPv9 N13x50hE= X-Gm-Gg: ASbGnctc2JQ1aKTD+pScguRDNB5/HHj3P/WxYUe9ivofVrAzhOPC2cnwgcOy3GWDjgd BqxJMn7AcOatMmMMya65/C8mVeQMH4RoZToyIxo6UWLrUMqC22I86DP4P25lbncFsHzYPzTSXTD BViPp51nVT9lFYhRBQoRmNrTINgJpx6HN4y25YN9dHvIlyRLKUpjXqcCe3jBG/OIUx6W9r/lQcl 2T5gNxxdBtBtUFJDEuB3KnTZJJpqZfv/PqxqN0QgbHPUTsofnzXGNFdNiNraHetlpji/MTsiMnE dbHuaj/QZHnVMg4QwqQgTbD+elLExEfKB94emx/VUuWPonybNGYI9X6KR6As1PDIeVmM9OzsXgA S4xpzfG5xVtfw6oByRCNXZRIq2Q== X-Google-Smtp-Source: AGHT+IGW5kv0+M1tVyOaEctYjHfWV47syJ5cy7Zd8VQE2FikXBIfvVH9kggSli7fcKzrS4g1o5VkWA== X-Received: by 2002:a17:903:1988:b0:234:f4da:7eeb with SMTP id d9443c01a7336-2462edd7d61mr315425495ad.7.1756383203546; Thu, 28 Aug 2025 05:13:23 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org Subject: [PATCH v3 40/87] linux-user/loongarch64: Expand target_elf_gregset_t Date: Thu, 28 Aug 2025 22:07:49 +1000 Message-ID: <20250828120836.195358-41-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250828120836.195358-1-richard.henderson@linaro.org> References: <20250828120836.195358-1-richard.henderson@linaro.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::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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 @linaro.org) X-ZM-MESSAGEID: 1756402248826116600 Content-Type: text/plain; charset="utf-8" Make use of the fact that target_elf_gregset_t is a proper structure. Note that the kernel's uses an array, and then it has a bunch of defines to create symbolic offsets. Modulo some reserved fields, which we do not implement here, this is the same layout as struct user_pt_regs. Drop ELF_NREG, target_elf_greg_t, and tswapreg. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/loongarch64/target_elf.h | 7 +++---- linux-user/loongarch64/elfload.c | 14 ++++---------- 2 files changed, 7 insertions(+), 14 deletions(-) diff --git a/linux-user/loongarch64/target_elf.h b/linux-user/loongarch64/t= arget_elf.h index 90bca4499d..1f40419af2 100644 --- a/linux-user/loongarch64/target_elf.h +++ b/linux-user/loongarch64/target_elf.h @@ -6,16 +6,15 @@ #ifndef LOONGARCH_TARGET_ELF_H #define LOONGARCH_TARGET_ELF_H =20 +#include "target_ptrace.h" + #define HAVE_ELF_HWCAP 1 #define HAVE_ELF_PLATFORM 1 #define HAVE_ELF_CORE_DUMP 1 =20 -typedef abi_ulong target_elf_greg_t; - /* See linux kernel: arch/loongarch/include/asm/elf.h */ -#define ELF_NREG 45 typedef struct target_elf_gregset_t { - target_elf_greg_t regs[ELF_NREG]; + struct target_user_pt_regs pt; } target_elf_gregset_t; =20 #endif diff --git a/linux-user/loongarch64/elfload.c b/linux-user/loongarch64/elfl= oad.c index 832890de10..ce3bd0c607 100644 --- a/linux-user/loongarch64/elfload.c +++ b/linux-user/loongarch64/elfload.c @@ -65,20 +65,14 @@ const char *get_elf_platform(CPUState *cs) =20 #define tswapreg(ptr) tswapal(ptr) =20 -enum { - TARGET_EF_R0 =3D 0, - TARGET_EF_CSR_ERA =3D TARGET_EF_R0 + 33, - TARGET_EF_CSR_BADV =3D TARGET_EF_R0 + 34, -}; - void elf_core_copy_regs(target_elf_gregset_t *r, const CPULoongArchState *= env) { - r->regs[TARGET_EF_R0] =3D 0; + r->pt.regs[0] =3D 0; =20 for (int i =3D 1; i < ARRAY_SIZE(env->gpr); i++) { - r->regs[TARGET_EF_R0 + i] =3D tswapreg(env->gpr[i]); + r->pt.regs[i] =3D tswapreg(env->gpr[i]); } =20 - r->regs[TARGET_EF_CSR_ERA] =3D tswapreg(env->pc); - r->regs[TARGET_EF_CSR_BADV] =3D tswapreg(env->CSR_BADV); + r->pt.csr_era =3D tswapreg(env->pc); + r->pt.csr_badv =3D tswapreg(env->CSR_BADV); } --=20 2.43.0