diff options
Diffstat (limited to 'src/thread/arm/clone.s')
| -rw-r--r-- | src/thread/arm/clone.s | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/thread/arm/clone.s b/src/thread/arm/clone.s new file mode 100644 index 00000000..65cd3f5a --- /dev/null +++ b/src/thread/arm/clone.s @@ -0,0 +1,35 @@ +.text +.global __clone +.weak clone +.type __clone,%function +.type clone,%function +__clone: +clone: + stmfd sp!,{r4,r5,r6,r7} + mov r7,#120 + mov r6,r3 + mov r5,r0 + mov r0,r2 + and r1,r1,#-16 + ldr r2,[sp,#16] + ldr r3,[sp,#20] + ldr r4,[sp,#24] + svc 0 + tst r0,r0 + beq 1f + ldmfd sp!,{r4,r5,r6,r7} + tst lr,#1 + moveq pc,lr + bx lr + +1: mov r0,r6 + tst r5,#1 + bne 1f + mov lr,pc + mov pc,r5 +2: mov r1,r0 + mov r0,#1 + svc + +1: blx r5 + b 2b |