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Wed, 05 Aug 2026 10:15:14 -0700 (PDT) Received: from localhost ([2600:1702:7a90:6f9f:8bc4:8aec:108d:7a04]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-6699136af82sm3554926d50.3.2026.08.05.10.15.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2026 10:15:12 -0700 (PDT) From: Matt Turner To: qemu-devel@nongnu.org Cc: Matt Turner , Laurent Vivier , Helge Deller , Pierrick Bouvier Subject: [PATCH 3/5] linux-user/hppa: write the floating-point registers to a core dump Date: Wed, 5 Aug 2026 13:15:05 -0400 Message-ID: <20260805171507.3119442-3-mattst88@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260805171507.3119442-1-mattst88@gmail.com> References: <20260805171507.3119442-1-mattst88@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::b12a; envelope-from=mattst88@gmail.com; helo=mail-yx1-xb12a.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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Write an NT_FPREGSET note for HPPA, matching the kernel's elf_fpregset_t layout (ELF_NFPREG = 32): fr0-fr31 as 64-bit values. Signed-off-by: Matt Turner --- linux-user/hppa/elfload.c | 7 +++++++ linux-user/hppa/target_elf.h | 9 +++++++++ 2 files changed, 16 insertions(+) diff --git ./linux-user/hppa/elfload.c ./linux-user/hppa/elfload.c index ff4301b2ed..dd5b0b380e 100644 --- ./linux-user/hppa/elfload.c +++ ./linux-user/hppa/elfload.c @@ -17,6 +17,13 @@ const char *get_elf_platform(CPUState *cs) return "PARISC"; } +void elf_core_copy_fpregs(target_elf_fpregset_t *r, const CPUArchState *env) +{ + for (int i = 0; i < 32; i++) { + r->fpr[i] = tswap64(env->fr[i]); + } +} + void elf_core_copy_regs(target_elf_gregset_t *r, const CPUArchState *env) { int i; diff --git ./linux-user/hppa/target_elf.h ./linux-user/hppa/target_elf.h index 22547b1437..4357873aff 100644 --- ./linux-user/hppa/target_elf.h +++ ./linux-user/hppa/target_elf.h @@ -39,4 +39,13 @@ typedef struct target_elf_gregset_t { #define STACK_ALIGNMENT 64 #define VDSO_HEADER "vdso.c.inc" +#define HAVE_ELF_CORE_FPREGS 1 + +/* + * Matches the kernel's elf_fpregset_t (ELF_NFPREG = 32): fr0-fr31. + */ +typedef struct target_elf_fpregset_t { + uint64_t fpr[32]; +} target_elf_fpregset_t; + #endif -- 2.54.0