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 <[email protected]> + * Copyright (c) 2015-2018 Ruslan Bukin <[email protected]> * 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 _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
