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Save and restore floating-point arguments.

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Sponsored by:	DARPA, AFRL
This commit is contained in:
Ruslan Bukin 2018-08-02 12:21:39 +00:00
parent 385a185b43
commit f00ebc42b5
1 changed files with 23 additions and 23 deletions
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46
libexec/rtld-elf/riscv/rtld_start.S
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@ -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