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Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/vfork.S')
-rw-r--r--sysdeps/unix/sysv/linux/arm/vfork.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/vfork.S b/sysdeps/unix/sysv/linux/arm/vfork.S
index 0630c7ff06..bba1a548ba 100644
--- a/sysdeps/unix/sysv/linux/arm/vfork.S
+++ b/sysdeps/unix/sysv/linux/arm/vfork.S
@@ -38,8 +38,7 @@ ENTRY (__vfork)
b PLTJMP(C_SYMBOL_NAME(__syscall_error))
# else
/* Check if vfork syscall is known at all. */
- ldr a2, =-ENOSYS
- teq a1, a2
+ cmn a2, #ENOSYS
bne PLTJMP(C_SYMBOL_NAME(__syscall_error))
# endif
#endif
@@ -50,6 +49,8 @@ ENTRY (__vfork)
cmn a1, #4096
RETINSTR(movcc, pc, lr)
b PLTJMP(C_SYMBOL_NAME(__syscall_error))
+#elif !defined __NR_vfork
+# error "__NR_vfork not available and __ASSUME_VFORK_SYSCALL defined"
#endif
PSEUDO_END (__vfork)