mirror of
https://github.com/php/php-src.git
synced 2024-11-23 18:04:36 +08:00
125 lines
4.4 KiB
ArmAsm
125 lines
4.4 KiB
ArmAsm
/*
|
|
Copyright Jiaxun Yang 2018.
|
|
Distributed under the Boost Software License, Version 1.0.
|
|
(See accompanying file LICENSE_1_0.txt or copy at
|
|
http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
|
|
/*******************************************************
|
|
* *
|
|
* ------------------------------------------------- *
|
|
* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | *
|
|
* ------------------------------------------------- *
|
|
* | 0 | 8 | 16 | 24 | *
|
|
* ------------------------------------------------- *
|
|
* | F24 | F25 | F26 | F27 | *
|
|
* ------------------------------------------------- *
|
|
* ------------------------------------------------- *
|
|
* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
|
|
* ------------------------------------------------- *
|
|
* | 32 | 40 | 48 | 56 | *
|
|
* ------------------------------------------------- *
|
|
* | F28 | F29 | F30 | F31 | *
|
|
* ------------------------------------------------- *
|
|
* ------------------------------------------------- *
|
|
* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
|
|
* ------------------------------------------------- *
|
|
* | 64 | 72 | 80 | 88 | *
|
|
* ------------------------------------------------- *
|
|
* | S0 | S1 | S2 | S3 | *
|
|
* ------------------------------------------------- *
|
|
* ------------------------------------------------- *
|
|
* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
|
|
* ------------------------------------------------- *
|
|
* | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
|
|
* ------------------------------------------------- *
|
|
* | S4 | S5 | S6 | S7 | *
|
|
* ------------------------------------------------- *
|
|
* ------------------------------------------------- *
|
|
* | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
|
|
* ------------------------------------------------- *
|
|
* | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
|
|
* ------------------------------------------------- *
|
|
* | FP | GP | RA | PC | *
|
|
* ------------------------------------------------- *
|
|
* *
|
|
* *****************************************************/
|
|
|
|
.file "jump_mips64_n64_elf_gas.S"
|
|
.text
|
|
.globl jump_fcontext
|
|
.align 3
|
|
.type jump_fcontext,@function
|
|
.ent jump_fcontext
|
|
jump_fcontext:
|
|
# reserve space on stack
|
|
daddiu $sp, $sp, -160
|
|
|
|
sd $s0, 64($sp) # save S0
|
|
sd $s1, 72($sp) # save S1
|
|
sd $s2, 80($sp) # save S2
|
|
sd $s3, 88($sp) # save S3
|
|
sd $s4, 96($sp) # save S4
|
|
sd $s5, 104($sp) # save S5
|
|
sd $s6, 112($sp) # save S6
|
|
sd $s7, 120($sp) # save S7
|
|
sd $fp, 128($sp) # save FP
|
|
sd $ra, 144($sp) # save RA
|
|
sd $ra, 152($sp) # save RA as PC
|
|
|
|
#if defined(__mips_hard_float)
|
|
s.d $f24, 0($sp) # save F24
|
|
s.d $f25, 8($sp) # save F25
|
|
s.d $f26, 16($sp) # save F26
|
|
s.d $f27, 24($sp) # save F27
|
|
s.d $f28, 32($sp) # save F28
|
|
s.d $f29, 40($sp) # save F29
|
|
s.d $f30, 48($sp) # save F30
|
|
s.d $f31, 56($sp) # save F31
|
|
#endif
|
|
|
|
# store SP (pointing to old context-data) in v0 as return
|
|
move $v0, $sp
|
|
|
|
# get SP (pointing to new context-data) from a0 param
|
|
move $sp, $a0
|
|
|
|
#if defined(__mips_hard_float)
|
|
l.d $f24, 0($sp) # restore F24
|
|
l.d $f25, 8($sp) # restore F25
|
|
l.d $f26, 16($sp) # restore F26
|
|
l.d $f27, 24($sp) # restore F27
|
|
l.d $f28, 32($sp) # restore F28
|
|
l.d $f29, 40($sp) # restore F29
|
|
l.d $f30, 48($sp) # restore F30
|
|
l.d $f31, 56($sp) # restore F31
|
|
#endif
|
|
|
|
ld $s0, 64($sp) # restore S0
|
|
ld $s1, 72($sp) # restore S1
|
|
ld $s2, 80($sp) # restore S2
|
|
ld $s3, 88($sp) # restore S3
|
|
ld $s4, 96($sp) # restore S4
|
|
ld $s5, 104($sp) # restore S5
|
|
ld $s6, 112($sp) # restore S6
|
|
ld $s7, 120($sp) # restore S7
|
|
ld $fp, 128($sp) # restore FP
|
|
ld $ra, 144($sp) # restore RAa
|
|
|
|
# load PC
|
|
ld $t9, 152($sp)
|
|
|
|
# adjust stack
|
|
daddiu $sp, $sp, 160
|
|
|
|
move $a0, $v0 # move old sp from v0 to a0 as param
|
|
move $v1, $a1 # move *data from a1 to v1 as return
|
|
|
|
# jump to context
|
|
jr $t9
|
|
.end jump_fcontext
|
|
.size jump_fcontext, .-jump_fcontext
|
|
|
|
/* Mark that we don't need executable stack. */
|
|
.section .note.GNU-stack,"",%progbits
|