mostly-cosmetic fixups to x32 port merge

arch/x32/syscall_arch.h

@@ -2,7 +2,7 @@
 #define __SYSCALL_LL_O(x) (x)
 
 #define __scc(X) sizeof(1?(X):0ULL) < 8 ? (unsigned long) (X) : (long long) (X)
-#define syscall_arg_t long long
+typedef long long syscall_arg_t;
 struct __timespec { long long tv_sec; long tv_nsec; };
 struct __timespec_kernel { long long tv_sec; long long tv_nsec; };
 #define __tsc(X) ((struct __timespec*)(unsigned long)(X))

src/internal/syscall.h

@@ -5,11 +5,8 @@
 #include "syscall_arch.h"
 
 #ifndef __scc
-#define __scc(X) (long) (X)
-#endif
-
-#ifndef syscall_arg_t
-#define syscall_arg_t long
+#define __scc(X) ((long) (X))
+typedef long syscall_arg_t;
 #endif
 
 #if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)

src/thread/cancel_dummy.c

 #include "pthread_impl.h"
 #include "syscall.h"
 
-static long sccp(syscall_arg_t nr, syscall_arg_t u, syscall_arg_t v,
-	         syscall_arg_t w, syscall_arg_t x, syscall_arg_t y, syscall_arg_t z)
+static long sccp(syscall_arg_t nr,
+                 syscall_arg_t u, syscall_arg_t v, syscall_arg_t w,
+                 syscall_arg_t x, syscall_arg_t y, syscall_arg_t z)
 {
 	return (__syscall)(nr, u, v, w, x, y, z);
 }

src/thread/cancel_impl.c

@@ -9,11 +9,13 @@ void __cancel()
 	pthread_exit(PTHREAD_CANCELED);
 }
 
-long __syscall_cp_asm(volatile void *, syscall_arg_t, syscall_arg_t, syscall_arg_t,
-	              syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t);
+long __syscall_cp_asm(volatile void *, syscall_arg_t,
+                      syscall_arg_t, syscall_arg_t, syscall_arg_t,
+                      syscall_arg_t, syscall_arg_t, syscall_arg_t);
 
-long (__syscall_cp)(syscall_arg_t nr, syscall_arg_t u, syscall_arg_t v, syscall_arg_t w,
-	            syscall_arg_t x, syscall_arg_t y, syscall_arg_t z)
+long (__syscall_cp)(syscall_arg_t nr,
+                    syscall_arg_t u, syscall_arg_t v, syscall_arg_t w,
+                    syscall_arg_t x, syscall_arg_t y, syscall_arg_t z)
 {
 	pthread_t self;
 	long r;