diff options
Diffstat (limited to 'libc-top-half/musl/src/thread/mips/clone.s')
| -rw-r--r-- | libc-top-half/musl/src/thread/mips/clone.s | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/mips/clone.s b/libc-top-half/musl/src/thread/mips/clone.s new file mode 100644 index 0000000..0446338 --- /dev/null +++ b/libc-top-half/musl/src/thread/mips/clone.s @@ -0,0 +1,36 @@ +.set noreorder +.global __clone +.hidden __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + and $5, $5, -8 + subu $5, $5, 16 + sw $4, 0($5) + sw $7, 4($5) + # Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,tls,ctid) + move $4, $6 + lw $6, 16($sp) + lw $7, 20($sp) + lw $9, 24($sp) + subu $sp, $sp, 16 + sw $9, 16($sp) + li $2, 4120 + syscall + beq $7, $0, 1f + nop + addu $sp, $sp, 16 + jr $ra + subu $2, $0, $2 +1: beq $2, $0, 1f + nop + addu $sp, $sp, 16 + jr $ra + nop +1: lw $25, 0($sp) + lw $4, 4($sp) + jalr $25 + nop + move $4, $2 + li $2, 4001 + syscall |