xref: /aosp_15_r20/external/musl/src/thread/arm/syscall_cp.s (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker.syntax unified
2*c9945492SAndroid Build Coastguard Worker.global __cp_begin
3*c9945492SAndroid Build Coastguard Worker.hidden __cp_begin
4*c9945492SAndroid Build Coastguard Worker.global __cp_end
5*c9945492SAndroid Build Coastguard Worker.hidden __cp_end
6*c9945492SAndroid Build Coastguard Worker.global __cp_cancel
7*c9945492SAndroid Build Coastguard Worker.hidden __cp_cancel
8*c9945492SAndroid Build Coastguard Worker.hidden __cancel
9*c9945492SAndroid Build Coastguard Worker.global __syscall_cp_asm
10*c9945492SAndroid Build Coastguard Worker.hidden __syscall_cp_asm
11*c9945492SAndroid Build Coastguard Worker.type __syscall_cp_asm,%function
12*c9945492SAndroid Build Coastguard Worker__syscall_cp_asm:
13*c9945492SAndroid Build Coastguard Worker	mov ip,sp
14*c9945492SAndroid Build Coastguard Worker	stmfd sp!,{r4,r5,r6,r7}
15*c9945492SAndroid Build Coastguard Worker__cp_begin:
16*c9945492SAndroid Build Coastguard Worker	ldr r0,[r0]
17*c9945492SAndroid Build Coastguard Worker	cmp r0,#0
18*c9945492SAndroid Build Coastguard Worker	bne __cp_cancel
19*c9945492SAndroid Build Coastguard Worker	mov r7,r1
20*c9945492SAndroid Build Coastguard Worker	mov r0,r2
21*c9945492SAndroid Build Coastguard Worker	mov r1,r3
22*c9945492SAndroid Build Coastguard Worker	ldmfd ip,{r2,r3,r4,r5,r6}
23*c9945492SAndroid Build Coastguard Worker	svc 0
24*c9945492SAndroid Build Coastguard Worker__cp_end:
25*c9945492SAndroid Build Coastguard Worker	ldmfd sp!,{r4,r5,r6,r7}
26*c9945492SAndroid Build Coastguard Worker	bx lr
27*c9945492SAndroid Build Coastguard Worker__cp_cancel:
28*c9945492SAndroid Build Coastguard Worker	ldmfd sp!,{r4,r5,r6,r7}
29*c9945492SAndroid Build Coastguard Worker	b __cancel
30