arm: cleanup redundant macros for syscalls

In uClibc-ng the syscall macros are in bits/syscalls.h.

libc/sysdeps/linux/arm/bits/syscalls.h

@@ -83,6 +83,10 @@
      }									\
      (int) __internal_sys_result; }) \
 )
+
+#undef INTERNAL_SYSCALL_ARM
+#define INTERNAL_SYSCALL_ARM(name, err, nr, args...)           \
+	INTERNAL_SYSCALL_NCS(__ARM_NR_##name, err, nr, args)
 #endif
 
 #define INTERNAL_SYSCALL_ERROR_P(val, err) \

libc/sysdeps/linux/arm/sysdep.h

@@ -276,117 +276,6 @@ __local_syscall_error:						\
 #define UNDOARGS_6 ldmfd sp!, {r4, r5};
 #define UNDOARGS_7 ldmfd sp!, {r4, r5, r6};
 
-#else /* not __ASSEMBLER__ */
-/* Define a macro which expands into the inline wrapper code for a system
-   call.  */
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...)					\
-  ({ unsigned int _inline_sys_result = INTERNAL_SYSCALL (name, , nr, args);	\
-     if (unlikely (INTERNAL_SYSCALL_ERROR_P (_inline_sys_result, )))	\
-       {									\
-	 __set_errno (INTERNAL_SYSCALL_ERRNO (_inline_sys_result, ));		\
-	 _inline_sys_result = (unsigned int) -1;				\
-       }									\
-     (int) _inline_sys_result; })
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-
-#undef INTERNAL_SYSCALL_RAW
-#if defined(__thumb__)
-/* Hide the use of r7 from the compiler, this would be a lot
- * easier but for the fact that the syscalls can exceed 255.
- * For the moment the LOAD_ARG_7 is sacrificed.
- * We can't use push/pop inside the asm because that breaks
- * unwinding (ie. thread cancellation).
- */
-#define INTERNAL_SYSCALL_RAW(name, err, nr, args...)		\
-  ({ unsigned int _internal_sys_result;				\
-    {								\
-      int _sys_buf[2];						\
-      register int __a1 __asm__ ("a1");				\
-      register int *_v3 __asm__ ("v3") = _sys_buf;		\
-      LOAD_ARGS_##nr (args)					\
-      *_v3 = (int) (name);					\
-      __asm__ __volatile__ ("str	r7, [v3, #4]\n"		\
-                    "\tldr      r7, [v3]\n"			\
-                    "\tswi      0       @ syscall " #name "\n"	\
-                    "\tldr      r7, [v3, #4]"			\
-                   : "=r" (__a1)				\
-                    : "r" (_v3) ASM_ARGS_##nr			\
-                    : "memory");				\
-      _internal_sys_result = __a1;				\
-    }								\
-    (int) _internal_sys_result; })
-#elif defined(__ARM_EABI__)
-#define INTERNAL_SYSCALL_RAW(name, err, nr, args...)		\
-  ({unsigned int _internal_sys_result;				\
-     {								\
-       register int __a1 __asm__ ("r0"), _nr __asm__ ("r7");	\
-       LOAD_ARGS_##nr (args)					\
-       _nr = name;						\
-       __asm__ __volatile__ ("swi	0x0 @ syscall " #name	\
-		     : "=r" (__a1)				\
-		     : "r" (_nr) ASM_ARGS_##nr			\
-		     : "memory");				\
-       _internal_sys_result = __a1;				\
-     }								\
-     (int) _internal_sys_result; })
-#else /* !defined(__ARM_EABI__) */
-#define INTERNAL_SYSCALL_RAW(name, err, nr, args...)		\
-  ({ unsigned int _internal_sys_result;				\
-     {								\
-       register int __a1 __asm__ ("a1");			\
-       LOAD_ARGS_##nr (args)					\
-       __asm__ __volatile__ ("swi	%1 @ syscall " #name	\
-		     : "=r" (__a1)				\
-		     : "i" (name) ASM_ARGS_##nr			\
-		     : "memory");				\
-       _internal_sys_result = __a1;				\
-     }								\
-     (int) _internal_sys_result; })
-#endif
-
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...)		\
-	INTERNAL_SYSCALL_RAW(SYS_ify(name), err, nr, args)
-
-#undef INTERNAL_SYSCALL_ARM
-#define INTERNAL_SYSCALL_ARM(name, err, nr, args...)		\
-	INTERNAL_SYSCALL_RAW(__ARM_NR_##name, err, nr, args)
-
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
-  ((unsigned int) (val) >= 0xfffff001u)
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err)	(-(val))
-
-#if defined(__ARM_EABI__)
-#undef INTERNAL_SYSCALL_NCS
-#define INTERNAL_SYSCALL_NCS(number, err, nr, args...)		\
-	INTERNAL_SYSCALL_RAW(number, err, nr, args)
-#else
-/* We can't implement non-constant syscalls directly since the syscall
-   number is normally encoded in the instruction.  So use SYS_syscall.  */
-#undef INTERNAL_SYSCALL_NCS
-#define INTERNAL_SYSCALL_NCS(number, err, nr, args...)		\
-	INTERNAL_SYSCALL_NCS_##nr (number, err, args)
-
-#define INTERNAL_SYSCALL_NCS_0(number, err, args...)		\
-	INTERNAL_SYSCALL (syscall, err, 1, number, args)
-#define INTERNAL_SYSCALL_NCS_1(number, err, args...)		\
-	INTERNAL_SYSCALL (syscall, err, 2, number, args)
-#define INTERNAL_SYSCALL_NCS_2(number, err, args...)		\
-	INTERNAL_SYSCALL (syscall, err, 3, number, args)
-#define INTERNAL_SYSCALL_NCS_3(number, err, args...)		\
-	INTERNAL_SYSCALL (syscall, err, 4, number, args)
-#define INTERNAL_SYSCALL_NCS_4(number, err, args...)		\
-	INTERNAL_SYSCALL (syscall, err, 5, number, args)
-#define INTERNAL_SYSCALL_NCS_5(number, err, args...)		\
-	INTERNAL_SYSCALL (syscall, err, 6, number, args)
-#endif
-
 #endif	/* __ASSEMBLER__ */
 
 /* Pointer mangling is not yet supported for ARM.  */