589 lines
14 KiB
C
589 lines
14 KiB
C
/* Test passing of arguments to functions. Use various sorts of arguments,
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including basic types, pointers to those types, structures, lots of
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args, etc, in various combinations. */
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/* AIX requires this to be the first thing in the file. */
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#ifdef __GNUC__
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# define alloca __builtin_alloca
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# define HAVE_STACK_ALLOCA 1
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#else /* not __GNUC__ */
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# ifdef _AIX
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#pragma alloca
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# define HAVE_STACK_ALLOCA 1
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# else /* Not AIX */
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# ifdef sparc
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# include <alloca.h>
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# define HAVE_STACK_ALLOCA 1
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# ifdef __STDC__
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void *alloca ();
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# else
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char *alloca ();
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# endif /* __STDC__ */
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# endif /* sparc */
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# endif /* Not AIX */
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#endif /* not __GNUC__ */
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char c = 'a';
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char *cp = &c;
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unsigned char uc = 'b';
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unsigned char *ucp = &uc;
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short s = 1;
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short *sp = &s;
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unsigned short us = 6;
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unsigned short *usp = &us;
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int i = 2;
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int *ip = &i;
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unsigned int ui = 7;
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unsigned int *uip = &ui;
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long l = 3;
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long *lp = &l;
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unsigned long ul = 8;
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unsigned long *ulp = &ul;
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float f = 4.0;
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float *fp = &f;
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double d = 5.0;
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double *dp = &d;
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#ifdef TEST_COMPLEX
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float _Complex fc = 1.0F + 2.0iF;
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double _Complex dc = 3.0 + 4.0i;
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long double _Complex ldc = 5.0L + 6.0iL;
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#endif /* TEST_COMPLEX */
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struct stag {
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int s1;
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int s2;
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} st = { 101, 102 };
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struct stag *stp = &st;
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union utag {
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int u1;
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long u2;
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} un;
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union utag *unp = &un;
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char carray[] = {'a', 'n', ' ', 'a', 'r', 'r', 'a', 'y', '\0'};
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/* Test various permutations and interleaving of integral arguments */
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void call0a (char c, short s, int i, long l)
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{
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c = 'a';
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s = 5;
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i = 6;
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l = 7;
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}
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void call0b (short s, int i, long l, char c)
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{
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s = 6; i = 7; l = 8; c = 'j';
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}
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void call0c (int i, long l, char c, short s)
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{
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i = 3; l = 4; c = 'k'; s = 5;
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}
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void call0d (long l, char c, short s, int i)
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{
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l = 7; c = 'z'; s = 8; i = 9;
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}
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void call0e (char c1, long l, char c2, int i, char c3, short s, char c4, char c5)
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{
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c1 = 'a'; l = 5; c2 = 'b'; i = 7; c3 = 'c'; s = 7; c4 = 'f'; c5 = 'g';
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}
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/* Test various permutations and interleaving of unsigned integral arguments */
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void call1a (unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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uc = 5; us = 6; ui = 7; ul = 8;
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}
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void call1b (unsigned short us, unsigned int ui, unsigned long ul, unsigned char uc)
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{
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uc = 5; us = 6; ui = 7; ul = 8;
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}
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void call1c (unsigned int ui, unsigned long ul, unsigned char uc, unsigned short us)
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{
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uc = 5; us = 6; ui = 7; ul = 8;
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}
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void call1d (unsigned long ul, unsigned char uc, unsigned short us, unsigned int ui)
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{
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uc = 5; us = 6; ui = 7; ul = 8;
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}
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void call1e (unsigned char uc1, unsigned long ul, unsigned char uc2, unsigned int ui, unsigned char uc3, unsigned short us, unsigned char uc4, unsigned char uc5)
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{
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uc1 = 5; ul = 7; uc2 = 8; ui = 9; uc3 = 10; us = 11; uc4 = 12; uc5 = 55;
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}
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/* Test various permutations and interleaving of integral arguments with
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floating point arguments. */
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void call2a (char c, float f1, short s, double d1, int i, float f2, long l, double d2)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2b (float f1, short s, double d1, int i, float f2, long l, double d2, char c)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2c (short s, double d1, int i, float f2, long l, double d2, char c, float f1)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2d (double d1, int i, float f2, long l, double d2, char c, float f1, short s)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2e (int i, float f2, long l, double d2, char c, float f1, short s, double d1)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2f (float f2, long l, double d2, char c, float f1, short s, double d1, int i)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2g (long l, double d2, char c, float f1, short s, double d1, int i, float f2)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2h (double d2, char c, float f1, short s, double d1, int i, float f2, long l)
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{
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c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2;
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}
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void call2i (char c1, float f1, char c2, char c3, double d1, char c4, char c5, char c6, float f2, short s, char c7, double d2)
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{
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c1 = 'a'; f1 = 0.0; c2 = 5; d1 = 0.0; c3 = 6; f2 = 0.1; c4 = 7; d2 = 0.2;
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c5 = 's'; c6 = 'f'; c7 = 'z'; s = 77;
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}
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/* Test pointers to various integral and floating types. */
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void call3a (char *cp, short *sp, int *ip, long *lp)
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{
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cp = 0; sp = 0; ip = 0; lp = 0;
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}
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void call3b (unsigned char *ucp, unsigned short *usp, unsigned int *uip, unsigned long *ulp)
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{
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ucp = 0; usp = 0; uip = 0; ulp = 0;
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}
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void call3c (float *fp, double *dp)
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{
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fp = 0; dp = 0;
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}
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#ifdef TEST_COMPLEX
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/* Test various _Complex type args. */
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void callca (float _Complex f1, float _Complex f2, float _Complex f3)
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{
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}
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void callcb (double _Complex d1, double _Complex d2, double _Complex d3)
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{
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}
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void callcc (long double _Complex ld1, long double _Complex ld2, long double _Complex ld3)
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{
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}
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void callcd (float _Complex fc1, double _Complex dc1, long double _Complex ldc1)
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{
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}
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void callce (double _Complex dc1, long double _Complex ldc1, float _Complex fc1)
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{
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}
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void callcf (long double _Complex ldc1, float _Complex fc1, double _Complex dc1)
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{
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}
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/* Test passing _Complex type and integral. */
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void callc1a (char c, short s, int i, unsigned int ui, long l,
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float _Complex fc1, double _Complex dc1,
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long double _Complex ldc1)
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{}
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void callc1b (long double _Complex ldc1, char c, short s, int i,
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float _Complex fc1, unsigned int ui, long l, double _Complex dc1)
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{}
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void callc2a (char c, short s, int i, unsigned int ui, long l, float f,
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double d, float _Complex fc1, double _Complex dc1,
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long double _Complex ldc1)
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{}
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void callc2b (float _Complex fc1, char c, short s, int i, unsigned int ui,
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long double _Complex ldc1, long l, float f, double d,
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double _Complex dc1)
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{}
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#endif /* TEST_COMPLEX */
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/* Test passing structures and unions by reference. */
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void call4a (struct stag *stp)
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{stp = 0;}
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void call4b (union utag *unp)
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{
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unp = 0;
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}
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/* Test passing structures and unions by value. */
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void call5a (struct stag st)
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{st.s1 = 5;}
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void call5b (union utag un)
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{un.u1 = 7;}
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/* Test shuffling of args */
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void call6k ()
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{
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}
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void call6j (unsigned long ul)
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{
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ul = ul;
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call6k ();
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}
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void call6i (unsigned int ui, unsigned long ul)
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{
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ui = ui;
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call6j (ul);
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}
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void call6h (unsigned short us, unsigned int ui, unsigned long ul)
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{
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us = us;
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call6i (ui, ul);
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}
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void call6g (unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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uc = uc;
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call6h (us, ui, ul);
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}
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void call6f (double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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d = d;
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call6g (uc, us, ui, ul);
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}
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void call6e (float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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f = f;
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call6f (d, uc, us, ui, ul);
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}
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void call6d (long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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l = l;
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call6e (f, d, uc, us, ui, ul);
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}
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void call6c (int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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i = i;
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call6d (l, f, d, uc, us, ui, ul);
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}
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void call6b (short s, int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul)
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{
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s = s;
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call6c (i, l, f, d, uc, us, ui, ul);
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}
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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)
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{
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c = c;
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call6b (s, i, l, f, d, uc, us, ui, ul);
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}
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/* Test shuffling of args, round robin */
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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)
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{
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c = 'a'; i = 7; s = 8; l = 7; f = 0.3; uc = 44; d = 0.44; us = 77;
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ul = 43; ui = 33;
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}
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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)
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{
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call7k (c, i, s, l, f, uc, d, us, ul, ui);
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}
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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)
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{
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call7j (ui, c, i, s, l, f, uc, d, us, ul);
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}
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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)
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{
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call7i (ul, ui, c, i, s, l, f, uc, d, us);
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}
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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)
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{
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call7h (us, ul, ui, c, i, s, l, f, uc, d);
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}
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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)
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{
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call7g (d, us, ul, ui, c, i, s, l, f, uc);
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}
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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)
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{
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call7f (uc, d, us, ul, ui, c, i, s, l, f);
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}
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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)
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{
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call7e (f, uc, d, us, ul, ui, c, i, s, l);
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}
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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)
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{
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call7d (l, f, uc, d, us, ul, ui, c, i, s);
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}
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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)
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{
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call7c (s, l, f, uc, d, us, ul, ui, c, i);
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}
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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)
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{
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call7b (i, s, l, f, uc, d, us, ul, ui, c);
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}
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/* Test printing of structures passed as arguments to recursive functions. */
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typedef struct s
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{
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short s;
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int i;
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long l;
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} SVAL;
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void hitbottom ()
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{
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}
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void recurse (SVAL a, int depth)
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{
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a.s = a.i = a.l = --depth;
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if (depth == 0)
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hitbottom ();
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else
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recurse (a, depth);
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}
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void test_struct_args ()
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{
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SVAL s; s.s = 5; s.i = 5; s.l = 5;
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recurse (s, 5);
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}
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/* On various machines (pa, 29k, and rs/6000, at least), a function which
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calls alloca may do things differently with respect to frames. So give
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it a try. */
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void localvars_after_alloca (char c, short s, int i, long l)
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{
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#ifdef HAVE_STACK_ALLOCA
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/* No need to use the alloca.c alloca-on-top-of-malloc; it doesn't
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test what we are looking for, so if we don't have an alloca which
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allocates on the stack, just don't bother to call alloca at all. */
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char *z = alloca (s + 50);
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#endif
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c = 'a';
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s = 5;
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i = 6;
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l = 7;
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}
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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)
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{
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c = 'a';
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i = 7; s = 8; l = 7; uc = 44; us = 77;
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ul = 43; ui = 33;
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}
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void call_after_alloca (char c, short s, int i, long l)
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{
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#ifdef HAVE_STACK_ALLOCA
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/* No need to use the alloca.c alloca-on-top-of-malloc; it doesn't
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test what we are looking for, so if we don't have an alloca which
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allocates on the stack, just don't bother to call alloca at all. */
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char *z = alloca (s + 50);
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#endif
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call_after_alloca_subr (c, s, i, l, 'b', 11, 12, (unsigned long)13);
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}
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/* The point behind this test is the PA will call this indirectly
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through dyncall. Unlike the indirect calls to call0a, this test
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will require a trampoline between dyncall and this function on the
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call path, then another trampoline on between this function and main
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on the return path. */
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double call_with_trampolines (double d1)
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{
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return d1;
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} /* End of call_with_trampolines, this comment is needed by funcargs.exp */
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/* Dummy functions which the testsuite can use to run to, etc. */
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void
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marker_indirect_call () {}
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void
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marker_call_with_trampolines () {}
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int main ()
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{
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void (*pointer_to_call0a) (char, short, int, long) = (void (*)(char, short, int, long))call0a;
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double (*pointer_to_call_with_trampolines) (double) = call_with_trampolines;
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/* Test calling with basic integer types */
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call0a (c, s, i, l);
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call0b (s, i, l, c);
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call0c (i, l, c, s);
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call0d (l, c, s, i);
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call0e (c, l, c, i, c, s, c, c);
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/* Test calling with unsigned integer types */
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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);
|
||
|
||
#ifdef TEST_COMPLEX
|
||
/* Test calling with _Complex types. */
|
||
callca (fc, fc, fc);
|
||
callcb (dc, dc, dc);
|
||
callcc (ldc, ldc, ldc);
|
||
callcd (fc, dc, ldc);
|
||
callce (dc, ldc, fc);
|
||
callcf (ldc, fc, dc);
|
||
|
||
|
||
callc1a (c, s, i, ui, l, fc, dc, ldc);
|
||
callc1b (ldc, c, s, i, fc, ui, l, dc);
|
||
|
||
callc2a (c, s, i, ui, l, f, d, fc, dc, ldc);
|
||
callc2b (fc, c, s, i, ui, ldc, l, f, d, dc);
|
||
#endif /* TEST_COMPLEX */
|
||
|
||
/* 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;
|
||
}
|