From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:41844) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gtScP-0002Xl-1V for qemu-devel@nongnu.org; Tue, 12 Feb 2019 02:36:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gtScN-0002Sk-Vl for qemu-devel@nongnu.org; Tue, 12 Feb 2019 02:36:36 -0500 Received: from mail-pl1-x641.google.com ([2607:f8b0:4864:20::641]:35289) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gtScM-0002O1-TI for qemu-devel@nongnu.org; Tue, 12 Feb 2019 02:36:35 -0500 Received: by mail-pl1-x641.google.com with SMTP id p8so903211plo.2 for ; Mon, 11 Feb 2019 23:36:31 -0800 (PST) From: Richard Henderson Date: Mon, 11 Feb 2019 23:36:28 -0800 Message-Id: <20190212073628.9665-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH] linux-user: Add AT_PLATFORM for arm List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, qemu-arm@nongnu.org, 1813034@bugs.launchpad.net 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 -- 2.17.2