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Fri, 28 Jun 2019 16:45:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Subject: Re: svn commit: r349482 - in head/contrib/elftoolchain: common readelf To: Mitchell Horne , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201906280010.x5S0ARLh056619@repo.freebsd.org> From: John Baldwin Openpgp: preference=signencrypt Autocrypt: addr=jhb@FreeBSD.org; keydata= mQGiBETQ+XcRBADMFybiq69u+fJRy/0wzqTNS8jFfWaBTs5/OfcV7wWezVmf9sgwn8TW0Dk0 c9MBl0pz+H01dA2ZSGZ5fXlmFIsee1WEzqeJzpiwd/pejPgSzXB9ijbLHZ2/E0jhGBcVy5Yo /Tw5+U/+laeYKu2xb0XPvM0zMNls1ah5OnP9a6Ql6wCgupaoMySb7DXm2LHD1Z9jTsHcAQMD /1jzh2BoHriy/Q2s4KzzjVp/mQO5DSm2z14BvbQRcXU48oAosHA1u3Wrov6LfPY+0U1tG47X 1BGfnQH+rNAaH0livoSBQ0IPI/8WfIW7ub4qV6HYwWKVqkDkqwcpmGNDbz3gfaDht6nsie5Z pcuCcul4M9CW7Md6zzyvktjnbz61BADGDCopfZC4of0Z3Ka0u8Wik6UJOuqShBt1WcFS8ya1 oB4rc4tXfSHyMF63aPUBMxHR5DXeH+EO2edoSwViDMqWk1jTnYza51rbGY+pebLQOVOxAY7k do5Ordl3wklBPMVEPWoZ61SdbcjhHVwaC5zfiskcxj5wwXd2E9qYlBqRg7QeSm9obiBCYWxk d2luIDxqaGJARnJlZUJTRC5vcmc+iGAEExECACAFAkTQ+awCGwMGCwkIBwMCBBUCCAMEFgID AQIeAQIXgAAKCRBy3lIGd+N/BI6RAJ9S97fvbME+3hxzE3JUyUZ6vTewDACdE1stFuSfqMvM jomvZdYxIYyTUpC5Ag0ERND5ghAIAPwsO0B7BL+bz8sLlLoQktGxXwXQfS5cInvL17Dsgnr3 1AKa94j9EnXQyPEj7u0d+LmEe6CGEGDh1OcGFTMVrof2ZzkSy4+FkZwMKJpTiqeaShMh+Goj XlwIMDxyADYvBIg3eN5YdFKaPQpfgSqhT+7El7w+wSZZD8pPQuLAnie5iz9C8iKy4/cMSOrH YUK/tO+Nhw8Jjlw94Ik0T80iEhI2t+XBVjwdfjbq3HrJ0ehqdBwukyeJRYKmbn298KOFQVHO EVbHA4rF/37jzaMadK43FgJ0SAhPPF5l4l89z5oPu0b/+5e2inA3b8J3iGZxywjM+Csq1tqz hltEc7Q+E08AAwUIAL+15XH8bPbjNJdVyg2CMl10JNW2wWg2Q6qdljeaRqeR6zFus7EZTwtX sNzs5bP8y51PSUDJbeiy2RNCNKWFMndM22TZnk3GNG45nQd4OwYK0RZVrikalmJY5Q6m7Z16 4yrZgIXFdKj2t8F+x613/SJW1lIr9/bDp4U9tw0V1g3l2dFtD3p3ZrQ3hpoDtoK70ioIAjjH aIXIAcm3FGZFXy503DOA0KaTWwvOVdYCFLm3zWuSOmrX/GsEc7ovasOWwjPn878qVjbUKWwx Q4QkF4OhUV9zPtf9tDSAZ3x7QSwoKbCoRCZ/xbyTUPyQ1VvNy/mYrBcYlzHodsaqUDjHuW+I SQQYEQIACQUCRND5ggIbDAAKCRBy3lIGd+N/BCO8AJ9j1dWVQWxw/YdTbEyrRKOY8YZNwwCf afMAg8QvmOWnHx3wl8WslCaXaE8= Message-ID: Date: Fri, 28 Jun 2019 09:45:09 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <201906280010.x5S0ARLh056619@repo.freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 2409E80449 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.95 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.945,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Jun 2019 16:45:11 -0000 On 6/27/19 5:10 PM, Mitchell Horne wrote: > Author: mhorne > Date: Fri Jun 28 00:10:26 2019 > New Revision: 349482 > URL: https://svnweb.freebsd.org/changeset/base/349482 > > Log: > readelf: Add support for RISC-V specific e_flags > > Reviewed by: markj > Approved by: markj (mentor) > MFC after: 3 days > Differential Revision: https://reviews.freebsd.org/D20767 > > Modified: > head/contrib/elftoolchain/common/elfdefinitions.h > head/contrib/elftoolchain/readelf/readelf.c > > Modified: head/contrib/elftoolchain/common/elfdefinitions.h > ============================================================================== > --- head/contrib/elftoolchain/common/elfdefinitions.h Fri Jun 28 00:03:29 2019 (r349481) > +++ head/contrib/elftoolchain/common/elfdefinitions.h Fri Jun 28 00:10:26 2019 (r349482) > @@ -426,6 +426,22 @@ _ELF_DEFINE_EF(EF_PPC_RELOCATABLE, 0x00010000UL, \ > "-mrelocatable flag") \ > _ELF_DEFINE_EF(EF_PPC_RELOCATABLE_LIB, 0x00008000UL, \ > "-mrelocatable-lib flag") \ > +_ELF_DEFINE_EF(EF_RISCV_RVE, 0x00000008UL, \ > + "Compressed instruction ABI") \ I don't think this description for RVE is quite right. RVE is for RV32E which is not using compressed ('C') instructions, but using a smaller register file (16 GPRs instead of 32) which is in theory intended for embedded / microprocessor variants. The riscv-elf-psabi-doc describes it as: EF_RISCV_RVE (0x0008): This bit is set when the binary targets the E ABI. -- John Baldwin