From owner-svn-src-all@freebsd.org Thu Aug 2 12:21:40 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3D1F81065F4B; Thu, 2 Aug 2018 12:21:40 +0000 (UTC) (envelope-from br@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E75368646C; Thu, 2 Aug 2018 12:21:39 +0000 (UTC) (envelope-from br@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C8851118FA; Thu, 2 Aug 2018 12:21:39 +0000 (UTC) (envelope-from br@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w72CLdrE068949; Thu, 2 Aug 2018 12:21:39 GMT (envelope-from br@FreeBSD.org) Received: (from br@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w72CLdsP068948; Thu, 2 Aug 2018 12:21:39 GMT (envelope-from br@FreeBSD.org) Message-Id: <201808021221.w72CLdsP068948@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: br set sender to br@FreeBSD.org using -f From: Ruslan Bukin Date: Thu, 2 Aug 2018 12:21:39 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r337128 - head/libexec/rtld-elf/riscv X-SVN-Group: head X-SVN-Commit-Author: br X-SVN-Commit-Paths: head/libexec/rtld-elf/riscv X-SVN-Commit-Revision: 337128 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.27 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: Thu, 02 Aug 2018 12:21:40 -0000 Author: br Date: Thu Aug 2 12:21:39 2018 New Revision: 337128 URL: https://svnweb.freebsd.org/changeset/base/337128 Log: Save and restore floating-point arguments. Sponsored by: DARPA, AFRL Modified: head/libexec/rtld-elf/riscv/rtld_start.S Modified: head/libexec/rtld-elf/riscv/rtld_start.S ============================================================================== --- head/libexec/rtld-elf/riscv/rtld_start.S Thu Aug 2 12:13:52 2018 (r337127) +++ head/libexec/rtld-elf/riscv/rtld_start.S Thu Aug 2 12:21:39 2018 (r337128) @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2015 Ruslan Bukin + * Copyright (c) 2015-2018 Ruslan Bukin * All rights reserved. * * This software was developed by SRI International and the University of @@ -64,7 +64,7 @@ END(.rtld_start) */ ENTRY(_rtld_bind_start) /* Save the arguments and ra */ - addi sp, sp, -(8 * 25) + addi sp, sp, -(8 * 17) sd a0, (8 * 0)(sp) sd a1, (8 * 1)(sp) sd a2, (8 * 2)(sp) @@ -74,17 +74,17 @@ ENTRY(_rtld_bind_start) sd a6, (8 * 6)(sp) sd a7, (8 * 7)(sp) sd ra, (8 * 8)(sp) -#if 0 - /* RISCVTODO VFP */ + +#ifdef __riscv_float_abi_double /* Save any floating-point arguments */ - fsq fa0, (8 * 9)(sp) - fsq fa1, (8 * 11)(sp) - fsq fa2, (8 * 13)(sp) - fsq fa3, (8 * 15)(sp) - fsq fa4, (8 * 17)(sp) - fsq fa5, (8 * 19)(sp) - fsq fa6, (8 * 21)(sp) - fsq fa7, (8 * 23)(sp) + fsd fa0, (8 * 9)(sp) + fsd fa1, (8 * 10)(sp) + fsd fa2, (8 * 11)(sp) + fsd fa3, (8 * 12)(sp) + fsd fa4, (8 * 13)(sp) + fsd fa5, (8 * 14)(sp) + fsd fa6, (8 * 15)(sp) + fsd fa7, (8 * 16)(sp) #endif /* Reloc offset is 3x of the .got.plt offset */ @@ -110,19 +110,19 @@ ENTRY(_rtld_bind_start) ld a6, (8 * 6)(sp) ld a7, (8 * 7)(sp) ld ra, (8 * 8)(sp) -#if 0 - /* RISCVTODO VFP */ + +#ifdef __riscv_float_abi_double /* Restore floating-point arguments */ - flq fa0, (8 * 9)(sp) - flq fa1, (8 * 11)(sp) - flq fa2, (8 * 13)(sp) - flq fa3, (8 * 15)(sp) - flq fa4, (8 * 17)(sp) - flq fa5, (8 * 19)(sp) - flq fa6, (8 * 21)(sp) - flq fa7, (8 * 23)(sp) + fld fa0, (8 * 9)(sp) + fld fa1, (8 * 10)(sp) + fld fa2, (8 * 11)(sp) + fld fa3, (8 * 12)(sp) + fld fa4, (8 * 13)(sp) + fld fa5, (8 * 14)(sp) + fld fa6, (8 * 15)(sp) + fld fa7, (8 * 16)(sp) #endif - addi sp, sp, (8 * 25) + addi sp, sp, (8 * 17) /* Call into the correct function */ jr t0