add getauxval function

[musl] / src / internal / syscall.h

diff --git a/src/internal/syscall.h b/src/internal/syscall.h
index 7381efe..88fc89c 100644 (file)
--- a/src/internal/syscall.h
+++ b/src/internal/syscall.h
@@ -1,25 +1,31 @@
 #ifndef _INTERNAL_SYSCALL_H
 #define _INTERNAL_SYSCALL_H
 
-#if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
-__attribute__((visibility("protected")))
-#endif
-long __syscall_ret(unsigned long), __syscall(long, ...),
-       __syscall_cp(long, long, long, long, long, long, long);
-
 #include <sys/syscall.h>
 #include "syscall_arch.h"
 
-#define __syscall1(n,a) __syscall1(n,(long)(a))
-#define __syscall2(n,a,b) __syscall2(n,(long)(a),(long)(b))
-#define __syscall3(n,a,b,c) __syscall3(n,(long)(a),(long)(b),(long)(c))
-#define __syscall4(n,a,b,c,d) __syscall4(n,(long)(a),(long)(b),(long)(c),(long)(d))
-#define __syscall5(n,a,b,c,d,e) __syscall5(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e))
-#define __syscall6(n,a,b,c,d,e,f) __syscall6(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f))
-#define __syscall7(n,a,b,c,d,e,f,g) (__syscall)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f),(long)g)
+#ifndef __scc
+#define __scc(X) ((long) (X))
+typedef long syscall_arg_t;
+#endif
+
+#if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
+__attribute__((visibility("protected")))
+#endif
+long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
+       __syscall_cp(syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t,
+                    syscall_arg_t, syscall_arg_t, syscall_arg_t);
+
+#define __syscall1(n,a) __syscall1(n,__scc(a))
+#define __syscall2(n,a,b) __syscall2(n,__scc(a),__scc(b))
+#define __syscall3(n,a,b,c) __syscall3(n,__scc(a),__scc(b),__scc(c))
+#define __syscall4(n,a,b,c,d) __syscall4(n,__scc(a),__scc(b),__scc(c),__scc(d))
+#define __syscall5(n,a,b,c,d,e) __syscall5(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e))
+#define __syscall6(n,a,b,c,d,e,f) __syscall6(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f))
+#define __syscall7(n,a,b,c,d,e,f,g) (__syscall)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f),__scc(g))
 
 #define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n
-#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0)
+#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0,)
 #define __SYSCALL_CONCAT_X(a,b) a##b
 #define __SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT_X(a,b)
 #define __SYSCALL_DISP(b,...) __SYSCALL_CONCAT(b,__SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__)
@@ -31,12 +37,12 @@ long __syscall_ret(unsigned long), __syscall(long, ...),
 #define socketcall_cp __socketcall_cp
 
 #define __syscall_cp0(n) (__syscall_cp)(n,0,0,0,0,0,0)
-#define __syscall_cp1(n,a) (__syscall_cp)(n,(long)(a),0,0,0,0,0)
-#define __syscall_cp2(n,a,b) (__syscall_cp)(n,(long)(a),(long)(b),0,0,0,0)
-#define __syscall_cp3(n,a,b,c) (__syscall_cp)(n,(long)(a),(long)(b),(long)(c),0,0,0)
-#define __syscall_cp4(n,a,b,c,d) (__syscall_cp)(n,(long)(a),(long)(b),(long)(c),(long)(d),0,0)
-#define __syscall_cp5(n,a,b,c,d,e) (__syscall_cp)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),0)
-#define __syscall_cp6(n,a,b,c,d,e,f) (__syscall_cp)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f))
+#define __syscall_cp1(n,a) (__syscall_cp)(n,__scc(a),0,0,0,0,0)
+#define __syscall_cp2(n,a,b) (__syscall_cp)(n,__scc(a),__scc(b),0,0,0,0)
+#define __syscall_cp3(n,a,b,c) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),0,0,0)
+#define __syscall_cp4(n,a,b,c,d) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),0,0)
+#define __syscall_cp5(n,a,b,c,d,e) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),0)
+#define __syscall_cp6(n,a,b,c,d,e,f) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f))
 
 #define __syscall_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__)
 #define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__))