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jeremybenn |
/* This testcase is part of GDB, the GNU debugger.
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Copyright 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2004, 2007, 2008, 2009,
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2010 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Support program for testing gdb's ability to call functions
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in the inferior, pass appropriate arguments to those functions,
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and get the returned result. */
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#ifdef NO_PROTOTYPES
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#define PARAMS(paramlist) ()
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#else
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#define PARAMS(paramlist) paramlist
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#endif
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# include <stdlib.h>
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# include <string.h>
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char char_val1 = 'a';
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char char_val2 = 'b';
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short short_val1 = 10;
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short short_val2 = -23;
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int int_val1 = 87;
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int int_val2 = -26;
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long long_val1 = 789;
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long long_val2 = -321;
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float float_val1 = 3.14159;
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float float_val2 = -2.3765;
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float float_val3 = 0.25;
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float float_val4 = 1.25;
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float float_val5 = 2.25;
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float float_val6 = 3.25;
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float float_val7 = 4.25;
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float float_val8 = 5.25;
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float float_val9 = 6.25;
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float float_val10 = 7.25;
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float float_val11 = 8.25;
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float float_val12 = 9.25;
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float float_val13 = 10.25;
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float float_val14 = 11.25;
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float float_val15 = 12.25;
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double double_val1 = 45.654;
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double double_val2 = -67.66;
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double double_val3 = 0.25;
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double double_val4 = 1.25;
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double double_val5 = 2.25;
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double double_val6 = 3.25;
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double double_val7 = 4.25;
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double double_val8 = 5.25;
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double double_val9 = 6.25;
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double double_val10 = 7.25;
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double double_val11 = 8.25;
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double double_val12 = 9.25;
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double double_val13 = 10.25;
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double double_val14 = 11.25;
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double double_val15 = 12.25;
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#define DELTA (0.001)
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char *string_val1 = (char *)"string 1";
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char *string_val2 = (char *)"string 2";
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char char_array_val1[] = "carray 1";
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char char_array_val2[] = "carray 2";
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struct struct1 {
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char c;
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short s;
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int i;
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long l;
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float f;
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double d;
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char a[4];
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} struct_val1 = { 'x', 87, 76, 51, 2.1234, 9.876, "foo" };
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/* Some functions that can be passed as arguments to other test
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functions, or called directly. */
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#ifdef PROTOTYPES
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int add (int a, int b)
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#else
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int add (a, b) int a, b;
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#endif
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{
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return (a + b);
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}
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#ifdef PROTOTYPES
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int doubleit (int a)
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#else
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int doubleit (a) int a;
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#endif
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{
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return (a + a);
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}
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int (*func_val1) PARAMS((int,int)) = add;
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int (*func_val2) PARAMS((int)) = doubleit;
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/* An enumeration and functions that test for specific values. */
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enum enumtype { enumval1, enumval2, enumval3 };
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enum enumtype enum_val1 = enumval1;
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enum enumtype enum_val2 = enumval2;
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enum enumtype enum_val3 = enumval3;
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#ifdef PROTOTYPES
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int t_enum_value1 (enum enumtype enum_arg)
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#else
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int t_enum_value1 (enum_arg) enum enumtype enum_arg;
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#endif
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{
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return (enum_arg == enum_val1);
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}
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#ifdef PROTOTYPES
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int t_enum_value2 (enum enumtype enum_arg)
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#else
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int t_enum_value2 (enum_arg) enum enumtype enum_arg;
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#endif
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{
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return (enum_arg == enum_val2);
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}
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#ifdef PROTOTYPES
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int t_enum_value3 (enum enumtype enum_arg)
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#else
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int t_enum_value3 (enum_arg) enum enumtype enum_arg;
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#endif
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{
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return (enum_arg == enum_val3);
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}
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/* A function that takes a vector of integers (along with an explicit
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count) and returns their sum. */
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#ifdef PROTOTYPES
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int sum_args (int argc, int argv[])
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#else
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int sum_args (argc, argv) int argc; int argv[];
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#endif
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{
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int sumval = 0;
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int idx;
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for (idx = 0; idx < argc; idx++)
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{
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sumval += argv[idx];
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}
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return (sumval);
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}
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/* Test that we can call functions that take structs and return
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members from that struct */
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#ifdef PROTOTYPES
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char t_structs_c (struct struct1 tstruct) { return (tstruct.c); }
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short t_structs_s (struct struct1 tstruct) { return (tstruct.s); }
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int t_structs_i (struct struct1 tstruct) { return (tstruct.i); }
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long t_structs_l (struct struct1 tstruct) { return (tstruct.l); }
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float t_structs_f (struct struct1 tstruct) { return (tstruct.f); }
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double t_structs_d (struct struct1 tstruct) { return (tstruct.d); }
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char *t_structs_a (struct struct1 tstruct)
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{
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static char buf[8];
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strcpy (buf, tstruct.a);
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return buf;
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}
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#else
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char t_structs_c (tstruct) struct struct1 tstruct; { return (tstruct.c); }
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short t_structs_s (tstruct) struct struct1 tstruct; { return (tstruct.s); }
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int t_structs_i (tstruct) struct struct1 tstruct; { return (tstruct.i); }
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long t_structs_l (tstruct) struct struct1 tstruct; { return (tstruct.l); }
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float t_structs_f (tstruct) struct struct1 tstruct; { return (tstruct.f); }
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double t_structs_d (tstruct) struct struct1 tstruct; { return (tstruct.d); }
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char *t_structs_a (tstruct) struct struct1 tstruct;
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{
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static char buf[8];
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strcpy (buf, tstruct.a);
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return buf;
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}
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#endif
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/* Test that calling functions works if there are a lot of arguments. */
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#ifdef PROTOTYPES
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int
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sum10 (int i0, int i1, int i2, int i3, int i4, int i5, int i6, int i7, int i8, int i9)
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#else
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int
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sum10 (i0, i1, i2, i3, i4, i5, i6, i7, i8, i9)
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int i0, i1, i2, i3, i4, i5, i6, i7, i8, i9;
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#endif
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{
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return i0 + i1 + i2 + i3 + i4 + i5 + i6 + i7 + i8 + i9;
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}
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/* Test that args are passed in the right order. */
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#ifdef PROTOTYPES
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int
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cmp10 (int i0, int i1, int i2, int i3, int i4, int i5, int i6, int i7, int i8, int i9)
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#else
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int
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cmp10 (i0, i1, i2, i3, i4, i5, i6, i7, i8, i9)
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int i0, i1, i2, i3, i4, i5, i6, i7, i8, i9;
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#endif
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{
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return
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(i0 == 0) && (i1 == 1) && (i2 == 2) && (i3 == 3) && (i4 == 4) &&
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(i5 == 5) && (i6 == 6) && (i7 == 7) && (i8 == 8) && (i9 == 9);
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}
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/* Functions that expect specific values to be passed and return
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either 0 or 1, depending upon whether the values were
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passed incorrectly or correctly, respectively. */
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#ifdef PROTOTYPES
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int t_char_values (char char_arg1, char char_arg2)
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#else
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int t_char_values (char_arg1, char_arg2)
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char char_arg1, char_arg2;
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#endif
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{
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return ((char_arg1 == char_val1) && (char_arg2 == char_val2));
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}
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int
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#ifdef PROTOTYPES
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t_small_values (char arg1, short arg2, int arg3, char arg4, short arg5,
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char arg6, short arg7, int arg8, short arg9, short arg10)
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#else
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t_small_values (arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10)
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char arg1;
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short arg2;
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int arg3;
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char arg4;
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short arg5;
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char arg6;
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short arg7;
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int arg8;
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short arg9;
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short arg10;
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#endif
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{
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return arg1 + arg2 + arg3 + arg4 + arg5 + arg6 + arg7 + arg8 + arg9 + arg10;
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}
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#ifdef PROTOTYPES
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int t_short_values (short short_arg1, short short_arg2)
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#else
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int t_short_values (short_arg1, short_arg2)
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short short_arg1, short_arg2;
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#endif
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{
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return ((short_arg1 == short_val1) && (short_arg2 == short_val2));
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}
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#ifdef PROTOTYPES
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int t_int_values (int int_arg1, int int_arg2)
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#else
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int t_int_values (int_arg1, int_arg2)
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int int_arg1, int_arg2;
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#endif
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{
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return ((int_arg1 == int_val1) && (int_arg2 == int_val2));
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}
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#ifdef PROTOTYPES
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int t_long_values (long long_arg1, long long_arg2)
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#else
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int t_long_values (long_arg1, long_arg2)
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long long_arg1, long_arg2;
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#endif
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{
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return ((long_arg1 == long_val1) && (long_arg2 == long_val2));
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}
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/* NOTE: THIS FUNCTION MUST NOT BE PROTOTYPED!!!!!
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There must be one version of "t_float_values" (this one)
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that is not prototyped, and one (if supported) that is (following).
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That way GDB can be tested against both cases. */
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int t_float_values (float_arg1, float_arg2)
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float float_arg1, float_arg2;
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{
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return ((float_arg1 - float_val1) < DELTA
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&& (float_arg1 - float_val1) > -DELTA
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&& (float_arg2 - float_val2) < DELTA
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&& (float_arg2 - float_val2) > -DELTA);
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}
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int
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#ifdef NO_PROTOTYPES
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/* In this case we are just duplicating t_float_values, but that is the
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easiest way to deal with either ANSI or non-ANSI. */
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t_float_values2 (float_arg1, float_arg2)
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float float_arg1, float_arg2;
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#else
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t_float_values2 (float float_arg1, float float_arg2)
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#endif
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{
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return ((float_arg1 - float_val1) < DELTA
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&& (float_arg1 - float_val1) > -DELTA
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&& (float_arg2 - float_val2) < DELTA
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&& (float_arg2 - float_val2) > -DELTA);
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}
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/* This function has many arguments to force some of them to be passed via
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the stack instead of registers, to test that GDB can construct correctly
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the parameter save area. Note that Linux/ppc32 has 8 float registers to use
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for float parameter passing and Linux/ppc64 has 13, so the number of
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arguments has to be at least 14 to contemplate these platforms. */
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float
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#ifdef NO_PROTOTYPES
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t_float_many_args (f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13,
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f14, f15)
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float f1, float f2, float f3, float f4, float f5, float f6, float f7,
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float f8, float f9, float f10, float f11, float f12, float f13, float f14,
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float f15;
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#else
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t_float_many_args (float f1, float f2, float f3, float f4, float f5, float f6,
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float f7, float f8, float f9, float f10, float f11,
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float f12, float f13, float f14, float f15)
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#endif
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{
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float sum_args;
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|
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float sum_values;
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345 |
|
|
|
346 |
|
|
sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12
|
347 |
|
|
+ f13 + f14 + f15;
|
348 |
|
|
sum_values = float_val1 + float_val2 + float_val3 + float_val4 + float_val5
|
349 |
|
|
+ float_val6 + float_val7 + float_val8 + float_val9
|
350 |
|
|
+ float_val10 + float_val11 + float_val12 + float_val13
|
351 |
|
|
+ float_val14 + float_val15;
|
352 |
|
|
|
353 |
|
|
return ((sum_args - sum_values) < DELTA
|
354 |
|
|
&& (sum_args - sum_values) > -DELTA);
|
355 |
|
|
}
|
356 |
|
|
|
357 |
|
|
#ifdef PROTOTYPES
|
358 |
|
|
int t_double_values (double double_arg1, double double_arg2)
|
359 |
|
|
#else
|
360 |
|
|
int t_double_values (double_arg1, double_arg2)
|
361 |
|
|
double double_arg1, double_arg2;
|
362 |
|
|
#endif
|
363 |
|
|
{
|
364 |
|
|
return ((double_arg1 - double_val1) < DELTA
|
365 |
|
|
&& (double_arg1 - double_val1) > -DELTA
|
366 |
|
|
&& (double_arg2 - double_val2) < DELTA
|
367 |
|
|
&& (double_arg2 - double_val2) > -DELTA);
|
368 |
|
|
}
|
369 |
|
|
|
370 |
|
|
/* This function has many arguments to force some of them to be passed via
|
371 |
|
|
the stack instead of registers, to test that GDB can construct correctly
|
372 |
|
|
the parameter save area. Note that Linux/ppc32 has 8 float registers to use
|
373 |
|
|
for float parameter passing and Linux/ppc64 has 13, so the number of
|
374 |
|
|
arguments has to be at least 14 to contemplate these platforms. */
|
375 |
|
|
|
376 |
|
|
double
|
377 |
|
|
#ifdef NO_PROTOTYPES
|
378 |
|
|
t_double_many_args (f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13,
|
379 |
|
|
f14, f15)
|
380 |
|
|
double f1, double f2, double f3, double f4, double f5, double f6,
|
381 |
|
|
double f7, double f8, double f9, double f10, double f11, double f12,
|
382 |
|
|
double f13, double f14, double f15;
|
383 |
|
|
#else
|
384 |
|
|
t_double_many_args (double f1, double f2, double f3, double f4, double f5,
|
385 |
|
|
double f6, double f7, double f8, double f9, double f10,
|
386 |
|
|
double f11, double f12, double f13, double f14, double f15)
|
387 |
|
|
#endif
|
388 |
|
|
{
|
389 |
|
|
double sum_args;
|
390 |
|
|
double sum_values;
|
391 |
|
|
|
392 |
|
|
sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12
|
393 |
|
|
+ f13 + f14 + f15;
|
394 |
|
|
sum_values = double_val1 + double_val2 + double_val3 + double_val4
|
395 |
|
|
+ double_val5 + double_val6 + double_val7 + double_val8
|
396 |
|
|
+ double_val9 + double_val10 + double_val11 + double_val12
|
397 |
|
|
+ double_val13 + double_val14 + double_val15;
|
398 |
|
|
|
399 |
|
|
return ((sum_args - sum_values) < DELTA
|
400 |
|
|
&& (sum_args - sum_values) > -DELTA);
|
401 |
|
|
}
|
402 |
|
|
|
403 |
|
|
#ifdef PROTOTYPES
|
404 |
|
|
int t_string_values (char *string_arg1, char *string_arg2)
|
405 |
|
|
#else
|
406 |
|
|
int t_string_values (string_arg1, string_arg2)
|
407 |
|
|
char *string_arg1, *string_arg2;
|
408 |
|
|
#endif
|
409 |
|
|
{
|
410 |
|
|
return (!strcmp (string_arg1, string_val1) &&
|
411 |
|
|
!strcmp (string_arg2, string_val2));
|
412 |
|
|
}
|
413 |
|
|
|
414 |
|
|
#ifdef PROTOTYPES
|
415 |
|
|
int t_char_array_values (char char_array_arg1[], char char_array_arg2[])
|
416 |
|
|
#else
|
417 |
|
|
int t_char_array_values (char_array_arg1, char_array_arg2)
|
418 |
|
|
char char_array_arg1[], char_array_arg2[];
|
419 |
|
|
#endif
|
420 |
|
|
{
|
421 |
|
|
return (!strcmp (char_array_arg1, char_array_val1) &&
|
422 |
|
|
!strcmp (char_array_arg2, char_array_val2));
|
423 |
|
|
}
|
424 |
|
|
|
425 |
|
|
#ifdef PROTOTYPES
|
426 |
|
|
int t_double_int (double double_arg1, int int_arg2)
|
427 |
|
|
#else
|
428 |
|
|
int t_double_int (double_arg1, int_arg2)
|
429 |
|
|
double double_arg1;
|
430 |
|
|
int int_arg2;
|
431 |
|
|
#endif
|
432 |
|
|
{
|
433 |
|
|
return ((double_arg1 - int_arg2) < DELTA
|
434 |
|
|
&& (double_arg1 - int_arg2) > -DELTA);
|
435 |
|
|
}
|
436 |
|
|
|
437 |
|
|
#ifdef PROTOTYPES
|
438 |
|
|
int t_int_double (int int_arg1, double double_arg2)
|
439 |
|
|
#else
|
440 |
|
|
int t_int_double (int_arg1, double_arg2)
|
441 |
|
|
int int_arg1;
|
442 |
|
|
double double_arg2;
|
443 |
|
|
#endif
|
444 |
|
|
{
|
445 |
|
|
return ((int_arg1 - double_arg2) < DELTA
|
446 |
|
|
&& (int_arg1 - double_arg2) > -DELTA);
|
447 |
|
|
}
|
448 |
|
|
|
449 |
|
|
/* This used to simply compare the function pointer arguments with
|
450 |
|
|
known values for func_val1 and func_val2. Doing so is valid ANSI
|
451 |
|
|
code, but on some machines (RS6000, HPPA, others?) it may fail when
|
452 |
|
|
called directly by GDB.
|
453 |
|
|
|
454 |
|
|
In a nutshell, it's not possible for GDB to determine when the address
|
455 |
|
|
of a function or the address of the function's stub/trampoline should
|
456 |
|
|
be passed.
|
457 |
|
|
|
458 |
|
|
So, to avoid GDB lossage in the common case, we perform calls through the
|
459 |
|
|
various function pointers and compare the return values. For the HPPA
|
460 |
|
|
at least, this allows the common case to work.
|
461 |
|
|
|
462 |
|
|
If one wants to try something more complicated, pass the address of
|
463 |
|
|
a function accepting a "double" as one of its first 4 arguments. Call
|
464 |
|
|
that function indirectly through the function pointer. This would fail
|
465 |
|
|
on the HPPA. */
|
466 |
|
|
|
467 |
|
|
#ifdef PROTOTYPES
|
468 |
|
|
int t_func_values (int (*func_arg1)(int, int), int (*func_arg2)(int))
|
469 |
|
|
#else
|
470 |
|
|
int t_func_values (func_arg1, func_arg2)
|
471 |
|
|
int (*func_arg1) PARAMS ((int, int));
|
472 |
|
|
int (*func_arg2) PARAMS ((int));
|
473 |
|
|
#endif
|
474 |
|
|
{
|
475 |
|
|
return ((*func_arg1) (5,5) == (*func_val1) (5,5)
|
476 |
|
|
&& (*func_arg2) (6) == (*func_val2) (6));
|
477 |
|
|
}
|
478 |
|
|
|
479 |
|
|
#ifdef PROTOTYPES
|
480 |
|
|
int t_call_add (int (*func_arg1)(int, int), int a, int b)
|
481 |
|
|
#else
|
482 |
|
|
int t_call_add (func_arg1, a, b)
|
483 |
|
|
int (*func_arg1) PARAMS ((int, int));
|
484 |
|
|
int a, b;
|
485 |
|
|
#endif
|
486 |
|
|
{
|
487 |
|
|
return ((*func_arg1)(a, b));
|
488 |
|
|
}
|
489 |
|
|
|
490 |
|
|
struct struct_with_fnptr
|
491 |
|
|
{
|
492 |
|
|
int (*func) PARAMS((int));
|
493 |
|
|
};
|
494 |
|
|
|
495 |
|
|
struct struct_with_fnptr function_struct = { doubleit };
|
496 |
|
|
|
497 |
|
|
struct struct_with_fnptr *function_struct_ptr = &function_struct;
|
498 |
|
|
|
499 |
|
|
/* Gotta have a main to be able to generate a linked, runnable
|
500 |
|
|
executable, and also provide a useful place to set a breakpoint. */
|
501 |
|
|
|
502 |
|
|
int main ()
|
503 |
|
|
{
|
504 |
|
|
#ifdef usestubs
|
505 |
|
|
set_debug_traps();
|
506 |
|
|
breakpoint();
|
507 |
|
|
#endif
|
508 |
|
|
malloc(1);
|
509 |
|
|
t_double_values(double_val1, double_val2);
|
510 |
|
|
t_structs_c(struct_val1);
|
511 |
|
|
return 0 ;
|
512 |
|
|
}
|