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[97.113.188.82]) by smtp.gmail.com with ESMTPSA id s190sm24703304pfb.103.2019.02.11.23.36.28 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 11 Feb 2019 23:36:29 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 11 Feb 2019 23:36:28 -0800 Message-Id: <20190212073628.9665-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::641 Subject: [Qemu-devel] [PATCH] linux-user: Add AT_PLATFORM for arm X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 1813034@bugs.launchpad.net, qemu-arm@nongnu.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Fixes: https://bugs.launchpad.net/bugs/1813034 Signed-off-by: Richard Henderson --- linux-user/elfload.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 775a36ccdd..dde640a2ea 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -500,6 +500,35 @@ static uint32_t get_elf_hwcap2(void) #undef GET_FEATURE #undef GET_FEATURE_ID +#define ELF_PLATFORM get_elf_platform() + +static const char *get_elf_platform(void) +{ + CPUARMState *env = thread_cpu->env_ptr; + +#ifdef TARGET_WORDS_BIGENDIAN +# define END "b" +#else +# define END "l" +#endif + + if (arm_feature(env, ARM_FEATURE_V7)) { + if (arm_feature(env, ARM_FEATURE_M)) { + return "v7m" END; + } else { + return "v7" END; + } + } else if (arm_feature(env, ARM_FEATURE_V6)) { + return "v6" END; + } else if (arm_feature(env, ARM_FEATURE_V5)) { + return "v5" END; + } else { + return "v4" END; + } + +#undef END +} + #else /* 64 bit ARM definitions */ #define ELF_START_MMAP 0x80000000