diff options
Diffstat (limited to 'libc/sysdeps/linux/arm/clone.S')
| -rw-r--r-- | libc/sysdeps/linux/arm/clone.S | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/libc/sysdeps/linux/arm/clone.S b/libc/sysdeps/linux/arm/clone.S index 946d4bdda..a5a847d1e 100644 --- a/libc/sysdeps/linux/arm/clone.S +++ b/libc/sysdeps/linux/arm/clone.S @@ -21,6 +21,7 @@ and invokes a function in the right context after its all over. */ #define _ERRNO_H +#include <features.h> #include <bits/errno.h> #include <sys/syscall.h> @@ -28,10 +29,10 @@ /* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ .text -.global __clone -.type __clone,%function -.align 4 -__clone: +.global clone +.type clone,%function +.align 2 +clone: @ sanity check args cmp r0, #0 cmpne r1, #0 @@ -48,10 +49,14 @@ __clone: @ get flags mov r0, r2 @ new sp is already in r1 - swi __NR_clone + DO_CALL (clone) movs a1, a1 blt __error - movne pc, lr +#if defined(__USE_BX__) + bxne lr +#else + movne pc, lr +#endif @ pick the function arg and call address off the stack and execute ldr r0, [sp, #4] @@ -59,14 +64,11 @@ __clone: ldr pc, [sp] @ and we are done, passing the return value through r0 - b _exit_internal + b HIDDEN_JUMPTARGET(_exit) __error: b __syscall_error -.size __clone,.-__clone - -.weak clone - clone = __clone +.size clone,.-clone #endif |