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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.base/] [funcargs.c] - Rev 157
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/* Test passing of arguments to functions. Use various sorts of arguments, including basic types, pointers to those types, structures, lots of args, etc, in various combinations. */ /* AIX requires this to be the first thing in the file. */ #ifdef __GNUC__ # define alloca __builtin_alloca # define HAVE_STACK_ALLOCA 1 #else /* not __GNUC__ */ # ifdef _AIX #pragma alloca # define HAVE_STACK_ALLOCA 1 # else /* Not AIX */ # ifdef sparc # include <alloca.h> # define HAVE_STACK_ALLOCA 1 # ifdef __STDC__ void *alloca (); # else char *alloca (); # endif /* __STDC__ */ # endif /* sparc */ # endif /* Not AIX */ #endif /* not __GNUC__ */ char c = 'a'; char *cp = &c; unsigned char uc = 'b'; unsigned char *ucp = &uc; short s = 1; short *sp = &s; unsigned short us = 6; unsigned short *usp = &us; int i = 2; int *ip = &i; unsigned int ui = 7; unsigned int *uip = &ui; long l = 3; long *lp = &l; unsigned long ul = 8; unsigned long *ulp = &ul; float f = 4.0; float *fp = &f; double d = 5.0; double *dp = &d; struct stag { int s1; int s2; } st = { 101, 102 }; struct stag *stp = &st; union utag { int u1; long u2; } un; union utag *unp = &un; char carray[] = {'a', 'n', ' ', 'a', 'r', 'r', 'a', 'y', '\0'}; /* Test various permutations and interleaving of integral arguments */ #ifdef PROTOTYPES void call0a (char c, short s, int i, long l) #else call0a (c, s, i, l) char c; short s; int i; long l; #endif { c = 'a'; s = 5; i = 6; l = 7; } #ifdef PROTOTYPES void call0b (short s, int i, long l, char c) #else call0b (s, i, l, c) short s; int i; long l; char c; #endif { s = 6; i = 7; l = 8; c = 'j'; } #ifdef PROTOTYPES void call0c (int i, long l, char c, short s) #else call0c (i, l, c, s) int i; long l; char c; short s; #endif { i = 3; l = 4; c = 'k'; s = 5; } #ifdef PROTOTYPES void call0d (long l, char c, short s, int i) #else call0d (l, c, s, i) long l; char c; short s; int i; #endif { l = 7; c = 'z'; s = 8; i = 9; } #ifdef PROTOTYPES void call0e (char c1, long l, char c2, int i, char c3, short s, char c4, char c5) #else call0e (c1, l, c2, i, c3, s, c4, c5) char c1; long l; char c2; int i; char c3; short s; char c4; char c5; #endif { c1 = 'a'; l = 5; c2 = 'b'; i = 7; c3 = 'c'; s = 7; c4 = 'f'; c5 = 'g'; } /* Test various permutations and interleaving of unsigned integral arguments */ #ifdef PROTOTYPES void call1a (unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) #else call1a (uc, us, ui, ul) unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; #endif { uc = 5; us = 6; ui = 7; ul = 8; } #ifdef PROTOTYPES void call1b (unsigned short us, unsigned int ui, unsigned long ul, unsigned char uc) #else call1b (us, ui, ul, uc) unsigned short us; unsigned int ui; unsigned long ul; unsigned char uc; #endif { uc = 5; us = 6; ui = 7; ul = 8; } #ifdef PROTOTYPES void call1c (unsigned int ui, unsigned long ul, unsigned char uc, unsigned short us) #else call1c (ui, ul, uc, us) unsigned int ui; unsigned long ul; unsigned char uc; unsigned short us; #endif { uc = 5; us = 6; ui = 7; ul = 8; } #ifdef PROTOTYPES void call1d (unsigned long ul, unsigned char uc, unsigned short us, unsigned int ui) #else call1d (ul, uc, us, ui) unsigned long ul; unsigned char uc; unsigned short us; unsigned int ui; #endif { uc = 5; us = 6; ui = 7; ul = 8; } #ifdef PROTOTYPES 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) #else call1e (uc1, ul, uc2, ui, uc3, us, uc4, uc5) unsigned char uc1; unsigned long ul; unsigned char uc2; unsigned int ui; unsigned char uc3; unsigned short us; unsigned char uc4; unsigned char uc5; #endif { uc1 = 5; ul = 7; uc2 = 8; ui = 9; uc3 = 10; us = 11; uc4 = 12; uc5 = 55; } /* Test various permutations and interleaving of integral arguments with floating point arguments. */ #ifdef PROTOTYPES void call2a (char c, float f1, short s, double d1, int i, float f2, long l, double d2) #else call2a (c, f1, s, d1, i, f2, l, d2) char c; float f1; short s; double d1; int i; float f2; long l; double d2; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2b (float f1, short s, double d1, int i, float f2, long l, double d2, char c) #else call2b (f1, s, d1, i, f2, l, d2, c) float f1; short s; double d1; int i; float f2; long l; double d2; char c; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2c (short s, double d1, int i, float f2, long l, double d2, char c, float f1) #else call2c (s, d1, i, f2, l, d2, c, f1) short s; double d1; int i; float f2; long l; double d2; char c; float f1; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2d (double d1, int i, float f2, long l, double d2, char c, float f1, short s) #else call2d (d1, i, f2, l, d2, c, f1, s) double d1; int i; float f2; long l; double d2; char c; float f1; short s; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2e (int i, float f2, long l, double d2, char c, float f1, short s, double d1) #else call2e (i, f2, l, d2, c, f1, s, d1) int i; float f2; long l; double d2; char c; float f1; short s; double d1; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2f (float f2, long l, double d2, char c, float f1, short s, double d1, int i) #else call2f (f2, l, d2, c, f1, s, d1, i) float f2; long l; double d2; char c; float f1; short s; double d1; int i; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2g (long l, double d2, char c, float f1, short s, double d1, int i, float f2) #else call2g (l, d2, c, f1, s, d1, i, f2) long l; double d2; char c; float f1; short s; double d1; int i; float f2; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES void call2h (double d2, char c, float f1, short s, double d1, int i, float f2, long l) #else call2h (d2, c, f1, s, d1, i, f2, l) double d2; char c; float f1; short s; double d1; int i; float f2; long l; #endif { c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; } #ifdef PROTOTYPES 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) #else call2i (c1, f1, c2, c3, d1, c4, c5, c6, f2, s, c7, d2) char c1; float f1; char c2; char c3; double d1; char c4; char c5; char c6; float f2; short s; char c7; double d2; #endif { c1 = 'a'; f1 = 0.0; c2 = 5; d1 = 0.0; c3 = 6; f2 = 0.1; c4 = 7; d2 = 0.2; c5 = 's'; c6 = 'f'; c7 = 'z'; s = 77; } /* Test pointers to various integral and floating types. */ #ifdef PROTOTYPES void call3a (char *cp, short *sp, int *ip, long *lp) #else call3a (cp, sp, ip, lp) char *cp; short *sp; int *ip; long *lp; #endif { cp = 0; sp = 0; ip = 0; lp = 0; } #ifdef PROTOTYPES void call3b (unsigned char *ucp, unsigned short *usp, unsigned int *uip, unsigned long *ulp) #else call3b (ucp, usp, uip, ulp) unsigned char *ucp; unsigned short *usp; unsigned int *uip; unsigned long *ulp; #endif { ucp = 0; usp = 0; uip = 0; ulp = 0; } #ifdef PROTOTYPES void call3c (float *fp, double *dp) #else call3c (fp, dp) float *fp; double *dp; #endif { fp = 0; dp = 0; } /* Test passing structures and unions by reference. */ #ifdef PROTOTYPES void call4a (struct stag *stp) #else call4a (stp) struct stag *stp; #endif {stp = 0;} #ifdef PROTOTYPES void call4b (union utag *unp) #else call4b (unp) union utag *unp; #endif { unp = 0; } /* Test passing structures and unions by value. */ #ifdef PROTOTYPES void call5a (struct stag st) #else call5a (st) struct stag st; #endif {st.s1 = 5;} #ifdef PROTOTYPES void call5b (union utag un) #else call5b (un) union utag un; #endif {un.u1 = 7;} /* Test shuffling of args */ void call6k () { } #ifdef PROTOTYPES void call6j (unsigned long ul) #else call6j (ul) unsigned long ul; #endif { ul = ul; call6k (); } #ifdef PROTOTYPES void call6i (unsigned int ui, unsigned long ul) #else call6i (ui, ul) unsigned int ui; unsigned long ul; #endif { ui = ui; call6j (ul); } #ifdef PROTOTYPES void call6h (unsigned short us, unsigned int ui, unsigned long ul) #else call6h (us, ui, ul) unsigned short us; unsigned int ui; unsigned long ul; #endif { us = us; call6i (ui, ul); } #ifdef PROTOTYPES void call6g (unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) #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; }