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Side by Side Diff: fusl/src/thread/mips/clone.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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1 .set noreorder
2 .global __clone
3 .type __clone,@function
4 __clone:
5 # Save function pointer and argument pointer on new thread stack
6 and $5, $5, -8
7 subu $5, $5, 16
8 sw $4, 0($5)
9 sw $7, 4($5)
10 # Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,tls,ctid)
11 move $4, $6
12 lw $6, 16($sp)
13 lw $7, 20($sp)
14 lw $9, 24($sp)
15 subu $sp, $sp, 16
16 sw $9, 16($sp)
17 li $2, 4120
18 syscall
19 beq $7, $0, 1f
20 nop
21 addu $sp, $sp, 16
22 jr $ra
23 subu $2, $0, $2
24 1: beq $2, $0, 1f
25 nop
26 addu $sp, $sp, 16
27 jr $ra
28 nop
29 1: lw $25, 0($sp)
30 lw $4, 4($sp)
31 jr $25
32 nop
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