diff options
Diffstat (limited to 'libc-top-half/musl/src/thread/arm/syscall_cp.s')
| -rw-r--r-- | libc-top-half/musl/src/thread/arm/syscall_cp.s | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/arm/syscall_cp.s b/libc-top-half/musl/src/thread/arm/syscall_cp.s new file mode 100644 index 0000000..e607dd4 --- /dev/null +++ b/libc-top-half/musl/src/thread/arm/syscall_cp.s @@ -0,0 +1,29 @@ +.syntax unified +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm,%function +__syscall_cp_asm: + mov ip,sp + stmfd sp!,{r4,r5,r6,r7} +__cp_begin: + ldr r0,[r0] + cmp r0,#0 + bne __cp_cancel + mov r7,r1 + mov r0,r2 + mov r1,r3 + ldmfd ip,{r2,r3,r4,r5,r6} + svc 0 +__cp_end: + ldmfd sp!,{r4,r5,r6,r7} + bx lr +__cp_cancel: + ldmfd sp!,{r4,r5,r6,r7} + b __cancel |