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| author | Ruslan Bukin <br@FreeBSD.org> | 2018-08-02 12:21:39 +0000 |
|---|---|---|
| committer | Ruslan Bukin <br@FreeBSD.org> | 2018-08-02 12:21:39 +0000 |
| commit | f00ebc42b5a9be4a17611290c422c15bac10641c (patch) | |
| tree | 1e66864326593abb46cd369054f4aa1db0d8e9de /libexec/rtld-elf/riscv | |
| parent | 385a185b43b4dea21c84aba6014ffe82449f577a (diff) | |
| download | src-f00ebc42b5a9be4a17611290c422c15bac10641c.tar.gz src-f00ebc42b5a9be4a17611290c422c15bac10641c.zip | |
Save and restore floating-point arguments.
Sponsored by: DARPA, AFRL
Notes
Notes:
svn path=/head/; revision=337128
Diffstat (limited to 'libexec/rtld-elf/riscv')
| -rw-r--r-- | libexec/rtld-elf/riscv/rtld_start.S | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/libexec/rtld-elf/riscv/rtld_start.S b/libexec/rtld-elf/riscv/rtld_start.S index 76b6dfcaf3bc..c37cd62e49ec 100644 --- a/libexec/rtld-elf/riscv/rtld_start.S +++ b/libexec/rtld-elf/riscv/rtld_start.S @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * Copyright (c) 2015-2018 Ruslan Bukin <br@bsdpad.com> * 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 |