funcargs.c

gdb-6.8 Linux下的调试程序 最新版本

#else
call6g (uc, us, ui, ul)
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  uc = uc;
    call6h (us, ui, ul);
}

#ifdef PROTOTYPES
void call6f (double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
call6f (d, uc, us, ui, ul)
double d;
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  d = d;
    call6g (uc, us, ui, ul);
}

#ifdef PROTOTYPES
void call6e (float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
call6e (f, d, uc, us, ui, ul)
float f; double d;
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  f = f;
    call6f (d, uc, us, ui, ul);
}

#ifdef PROTOTYPES
void call6d (long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
call6d (l, f, d, uc, us, ui, ul)
long l; float f; double d;
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  l = l;
    call6e (f, d, uc, us, ui, ul);
}

#ifdef PROTOTYPES
void call6c (int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
call6c (i, l, f, d, uc, us, ui, ul)
int i; long l; float f; double d;
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  i = i;
    call6d (l, f, d, uc, us, ui, ul);
}

#ifdef PROTOTYPES
void call6b (short s, int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
call6b (s, i, l, f, d, uc, us, ui, ul)
short s; int i; long l; float f; double d;
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  s = s;
    call6c (i, l, f, d, uc, us, ui, ul);
}

#ifdef PROTOTYPES
void call6a (char c, short s, int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
call6a (c, s, i, l, f, d, uc, us, ui, ul)
char c; short s; int i; long l; float f; double d;
unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul;
#endif
{
  c = c;
    call6b (s, i, l, f, d, uc, us, ui, ul);
}

/*  Test shuffling of args, round robin */


#ifdef PROTOTYPES
void call7k (char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui)
#else
call7k (c, i, s, l, f, uc, d, us, ul, ui)
char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui;
#endif
{
  c = 'a'; i = 7; s = 8; l = 7; f = 0.3; uc = 44; d = 0.44; us = 77;
  ul = 43; ui = 33;
}

#ifdef PROTOTYPES
void call7j (unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul)
#else
call7j (ui, c, i, s, l, f, uc, d, us, ul)
unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul;
#endif
{
    call7k (c, i, s, l, f, uc, d, us, ul, ui);
}

#ifdef PROTOTYPES
void call7i (unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us)
#else
call7i (ul, ui, c, i, s, l, f, uc, d, us)
unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us;
#endif
{
    call7j (ui, c, i, s, l, f, uc, d, us, ul);
}

#ifdef PROTOTYPES
void call7h (unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc, double d)
#else
call7h (us, ul, ui, c, i, s, l, f, uc, d)
unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; double d;
#endif
{
    call7i (ul, ui, c, i, s, l, f, uc, d, us);
}

#ifdef PROTOTYPES
void call7g (double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc)
#else
call7g (d, us, ul, ui, c, i, s, l, f, uc)
double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc;
#endif
{
    call7h (us, ul, ui, c, i, s, l, f, uc, d);
}

#ifdef PROTOTYPES
void call7f (unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f)
#else
call7f (uc, d, us, ul, ui, c, i, s, l, f)
unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f;
#endif
{
    call7g (d, us, ul, ui, c, i, s, l, f, uc);
}

#ifdef PROTOTYPES
void call7e (float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l)
#else
call7e (f, uc, d, us, ul, ui, c, i, s, l)
float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l;
#endif
{
    call7f (uc, d, us, ul, ui, c, i, s, l, f);
}

#ifdef PROTOTYPES
void call7d (long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s)
#else
call7d (l, f, uc, d, us, ul, ui, c, i, s)
long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s;
#endif
{
    call7e (f, uc, d, us, ul, ui, c, i, s, l);
}

#ifdef PROTOTYPES
void call7c (short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i)
#else
call7c (s, l, f, uc, d, us, ul, ui, c, i)
short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i;
#endif
{
    call7d (l, f, uc, d, us, ul, ui, c, i, s);
}

#ifdef PROTOTYPES
void call7b (int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c)
#else
call7b (i, s, l, f, uc, d, us, ul, ui, c)
int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c;
#endif
{
    call7c (s, l, f, uc, d, us, ul, ui, c, i);
}

#ifdef PROTOTYPES
void call7a (char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui)
#else
call7a (c, i, s, l, f, uc, d, us, ul, ui)
char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui;
#endif
{
    call7b (i, s, l, f, uc, d, us, ul, ui, c);
}


/*  Test printing of structures passed as arguments to recursive functions. */


typedef struct s
{
  short s;
  int i;
  long l;
} SVAL;	

void hitbottom ()
{
}

#ifdef PROTOTYPES
void recurse (SVAL a, int depth)
#else
void recurse (a, depth)
SVAL a;
int depth;
#endif
{
  a.s = a.i = a.l = --depth;
  if (depth == 0)
    hitbottom ();
  else
    recurse (a, depth);
}

void test_struct_args ()
{
  SVAL s; s.s = 5; s.i = 5; s.l = 5;

  recurse (s, 5);
}

/* On various machines (pa, 29k, and rs/6000, at least), a function which
   calls alloca may do things differently with respect to frames.  So give
   it a try.  */

#ifdef PROTOTYPES
void localvars_after_alloca (char c, short s, int i, long l)
#else
void
localvars_after_alloca (c, s, i, l)
     char c;
     short s;
     int i;
     long l;
#endif
{
#ifdef HAVE_STACK_ALLOCA
  /* No need to use the alloca.c alloca-on-top-of-malloc; it doesn't
     test what we are looking for, so if we don't have an alloca which
     allocates on the stack, just don't bother to call alloca at all.  */

  char *z = alloca (s + 50);
#endif
  c = 'a';
  s = 5;
  i = 6;
  l = 7;
}

#ifdef PROTOTYPES
void call_after_alloca_subr (char c, short s, int i, long l, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
#else
void
call_after_alloca_subr (c, s, i, l, uc, us, ui, ul)
char c; int i; short s; long l; unsigned char uc; unsigned short us; unsigned long ul; unsigned int ui;
#endif
{
  c = 'a';
  i = 7; s = 8; l = 7; uc = 44; us = 77;
  ul = 43; ui = 33;
}

#ifdef PROTOTYPES
void call_after_alloca (char c, short s, int i, long l)
#else
void
call_after_alloca (c, s, i, l)
     char c;
     short s;
     int i;
     long l;
#endif
{
#ifdef HAVE_STACK_ALLOCA
  /* No need to use the alloca.c alloca-on-top-of-malloc; it doesn't
     test what we are looking for, so if we don't have an alloca which
     allocates on the stack, just don't bother to call alloca at all.  */

  char *z = alloca (s + 50);
#endif
  call_after_alloca_subr (c, s, i, l, 'b', 11, 12, (unsigned long)13);
}



/* The point behind this test is the PA will call this indirectly
   through dyncall.  Unlike the indirect calls to call0a, this test
   will require a trampoline between dyncall and this function on the
   call path, then another trampoline on between this function and main
   on the return path.  */
#ifdef PROTOTYPES
double call_with_trampolines (double d1)
#else
double
call_with_trampolines (d1)
double d1;
#endif
{
  return d1;
} /* End of call_with_trampolines, this comment is needed by funcargs.exp */

/* Dummy functions which the testsuite can use to run to, etc.  */

void
marker_indirect_call () {}

void
marker_call_with_trampolines () {}

int main ()
{
  void (*pointer_to_call0a) (char, short, int, long) = (void (*)(char, short, int, long))call0a;
  double (*pointer_to_call_with_trampolines) (double) = call_with_trampolines;

#ifdef usestubs
  set_debug_traps();
  breakpoint();
#endif
  /* Test calling with basic integer types */
  call0a (c, s, i, l);
  call0b (s, i, l, c);
  call0c (i, l, c, s);
  call0d (l, c, s, i);
  call0e (c, l, c, i, c, s, c, c);

  /* Test calling with unsigned integer types */
  call1a (uc, us, ui, ul);
  call1b (us, ui, ul, uc);
  call1c (ui, ul, uc, us);
  call1d (ul, uc, us, ui);
  call1e (uc, ul, uc, ui, uc, us, uc, uc);

  /* Test calling with integral types mixed with floating point types */
  call2a (c, f, s, d, i, f, l, d);
  call2b (f, s, d, i, f, l, d, c);
  call2c (s, d, i, f, l, d, c, f);
  call2d (d, i, f, l, d, c, f, s);
  call2e (i, f, l, d, c, f, s, d);
  call2f (f, l, d, c, f, s, d, i);
  call2g (l, d, c, f, s, d, i, f);
  call2h (d, c, f, s, d, i, f, l);
  call2i (c, f, c, c, d, c, c, c, f, s, c, d);

  /* Test dereferencing pointers to various integral and floating types */

  call3a (cp, sp, ip, lp);
  call3b (ucp, usp, uip, ulp);
  call3c (fp, dp);

  /* Test dereferencing pointers to structs and unions */

  call4a (stp);
  un.u1 = 1;
  call4b (unp);

  /* Test calling with structures and unions. */

  call5a (st);
  un.u1 = 2;
  call5b (un);

  /* Test shuffling of args */

  call6a (c, s, i, l, f, d, uc, us, ui, ul);
  call7a (c, i, s, l, f, uc, d, us, ul, ui);
  
  /* Test passing structures recursively. */

  test_struct_args ();

  localvars_after_alloca (c, s, i, l);

  call_after_alloca (c, s, i, l);

  /* This is for localvars_in_indirect_call.  */
  marker_indirect_call ();
  /* The comment on the following two lines is used by funcargs.exp,
     don't change it.  */
  (*pointer_to_call0a) (c, s, i, l);	/* First step into call0a.  */
  (*pointer_to_call0a) (c, s, i, l);	/* Second step into call0a.  */
  marker_call_with_trampolines ();
  (*pointer_to_call_with_trampolines) (d); /* Test multiple trampolines.  */
  return 0;
}