- Use syscalls-common.h vers of INTERNAL_SYSCALL / INLINE_SYSCALL_NOERR
- INLINE_SYSCALL takes syscall name (e.g. write)
- {INLINE,INTERNAL}_SYSCALL_NCS macros take syscall num (__NR_write)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
-/* Invoke the syscall and return unprocessed kernel status */
-#define INTERNAL_SYSCALL(nm, err, nr, args...) \
- INTERNAL_SYSCALL_NCS(SYS_ify (nm), err, nr, args)
-
/* -1 to -1023 as valid error values will suffice for some time */
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
((unsigned int) (val) > (unsigned int) -1024)
/*
/* -1 to -1023 as valid error values will suffice for some time */
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
((unsigned int) (val) > (unsigned int) -1024)
/*
- * Standard sycall wrapper:
- * -"const" syscall number @nm, sets errno, return success/error-codes
+ * Standard sycall wrapper
+ * -Gets syscall name (conv to __NR_xxx)
+ * -sets errno, return success/error-codes
-#define INLINE_SYSCALL(nm, nr_args, args...) \
+#define INLINE_SYSCALL(name, nr_args, args...) \
({ \
register int __res __asm__("r0"); \
({ \
register int __res __asm__("r0"); \
- __res = INTERNAL_SYSCALL(nm, , nr_args, args); \
+ __res = INTERNAL_SYSCALL_NCS(__NR_##name, , nr_args, args); \
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P ((__res), ), 0)) \
{ \
ERRNO_ERRANDS(__res); \
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P ((__res), ), 0)) \
{ \
ERRNO_ERRANDS(__res); \
-/* Non const syscall number @nm
- * Ideally this could be folded within INLINE_SYSCALL with
- * __builtin_constant_p in INTERNAL_SYSCALL but that fails for syscall.c
+/* variant of INLINE_SYSCALL, gets syscall number
-#define INLINE_SYSCALL_NCS(nm, nr_args, args...) \
+#define INLINE_SYSCALL_NCS(num, nr_args, args...) \
({ \
register int __res __asm__("r0"); \
({ \
register int __res __asm__("r0"); \
- __res = INTERNAL_SYSCALL_NCS(nm, , nr_args, args); \
+ __res = INTERNAL_SYSCALL_NCS(num, , nr_args, args); \
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P ((__res), ), 0)) \
{ \
ERRNO_ERRANDS(__res); \
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P ((__res), ), 0)) \
{ \
ERRNO_ERRANDS(__res); \
-#define INLINE_SYSCALL_NOERR(name, nr, args...) \
- ({ unsigned int _inline_sys_result = INTERNAL_SYSCALL (name, , nr, args);\
- (int) _inline_sys_result; })
-
/*-------------------------------------------------------------------------
* Mechanics of Trap - specific to ARC700
*
/*-------------------------------------------------------------------------
* Mechanics of Trap - specific to ARC700
*