[279] | 1 | /*
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| 2 | * TCC auto test program
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| 3 | */
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| 4 | #include "../config.h"
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| 5 |
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| 6 | #if GCC_MAJOR >= 3
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| 7 |
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| 8 | /* Unfortunately, gcc version < 3 does not handle that! */
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| 9 | #define ALL_ISOC99
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| 10 |
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| 11 | /* only gcc 3 handles _Bool correctly */
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| 12 | #define BOOL_ISOC99
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| 13 |
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| 14 | /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
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| 15 | #define CORRECT_CR_HANDLING
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| 16 |
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| 17 | #endif
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| 18 |
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| 19 | /* deprecated and no longer supported in gcc 3.3 */
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| 20 | //#define ACCEPT_CR_IN_STRINGS
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| 21 |
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| 22 | /* __VA_ARGS__ and __func__ support */
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| 23 | #define C99_MACROS
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| 24 |
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| 25 | /* test various include syntaxes */
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| 26 |
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| 27 | #define TCCLIB_INC <tcclib.h>
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| 28 | #define TCCLIB_INC1 <tcclib
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| 29 | #define TCCLIB_INC2 h>
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| 30 | #define TCCLIB_INC3 "tcclib"
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| 31 |
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| 32 | #include TCCLIB_INC
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| 33 |
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| 34 | #include TCCLIB_INC1.TCCLIB_INC2
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| 35 |
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| 36 | #include TCCLIB_INC1.h>
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| 37 |
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| 38 | /* gcc 3.2 does not accept that (bug ?) */
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| 39 | //#include TCCLIB_INC3 ".h"
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| 40 |
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| 41 | #include <tcclib.h>
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| 42 |
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| 43 | #include "tcclib.h"
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| 44 |
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| 45 | void string_test();
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| 46 | void expr_test();
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| 47 | void macro_test();
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| 48 | void recursive_macro_test();
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| 49 | void scope_test();
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| 50 | void forward_test();
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| 51 | void funcptr_test();
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| 52 | void loop_test();
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| 53 | void switch_test();
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| 54 | void goto_test();
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| 55 | void enum_test();
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| 56 | void typedef_test();
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| 57 | void struct_test();
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| 58 | void array_test();
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| 59 | void expr_ptr_test();
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| 60 | void bool_test();
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| 61 | void expr2_test();
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| 62 | void constant_expr_test();
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| 63 | void expr_cmp_test();
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| 64 | void char_short_test();
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| 65 | void init_test(void);
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| 66 | void compound_literal_test(void);
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| 67 | int kr_test();
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| 68 | void struct_assign_test(void);
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| 69 | void cast_test(void);
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| 70 | void bitfield_test(void);
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| 71 | void c99_bool_test(void);
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| 72 | void float_test(void);
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| 73 | void longlong_test(void);
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| 74 | void manyarg_test(void);
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| 75 | void stdarg_test(void);
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| 76 | void whitespace_test(void);
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| 77 | void relocation_test(void);
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| 78 | void old_style_function(void);
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| 79 | void alloca_test(void);
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| 80 | void c99_vla_test(int size1, int size2);
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| 81 | void sizeof_test(void);
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| 82 | void typeof_test(void);
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| 83 | void local_label_test(void);
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| 84 | void statement_expr_test(void);
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| 85 | void asm_test(void);
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| 86 | void builtin_test(void);
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| 87 | void weak_test(void);
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| 88 | void global_data_test(void);
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| 89 | void cmp_comparison_test(void);
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| 90 | void math_cmp_test(void);
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| 91 | void callsave_test(void);
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| 92 | void builtin_frame_address_test(void);
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| 93 |
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| 94 | int fib(int n);
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| 95 | void num(int n);
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| 96 | void forward_ref(void);
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| 97 | int isid(int c);
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| 98 |
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| 99 | #define A 2
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| 100 | #define N 1234 + A
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| 101 | #define pf printf
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| 102 | #define M1(a, b) (a) + (b)
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| 103 |
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| 104 | #define str\
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| 105 | (s) # s
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| 106 | #define glue(a, b) a ## b
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| 107 | #define xglue(a, b) glue(a, b)
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| 108 | #define HIGHLOW "hello"
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| 109 | #define LOW LOW ", world"
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| 110 |
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| 111 | static int onetwothree = 123;
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| 112 | #define onetwothree4 onetwothree
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| 113 | #define onetwothree xglue(onetwothree,4)
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| 114 |
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| 115 | #define min(a, b) ((a) < (b) ? (a) : (b))
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| 116 |
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| 117 | #ifdef C99_MACROS
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| 118 | #define dprintf(level,...) printf(__VA_ARGS__)
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| 119 | #endif
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| 120 |
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| 121 | /* gcc vararg macros */
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| 122 | #define dprintf1(level, fmt, args...) printf(fmt, ## args)
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| 123 |
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| 124 | #define MACRO_NOARGS()
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| 125 |
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| 126 | #define AAA 3
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| 127 | #undef AAA
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| 128 | #define AAA 4
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| 129 |
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| 130 | #if 1
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| 131 | #define B3 1
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| 132 | #elif 1
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| 133 | #define B3 2
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| 134 | #elif 0
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| 135 | #define B3 3
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| 136 | #else
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| 137 | #define B3 4
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| 138 | #endif
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| 139 |
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| 140 | #define __INT64_C(c) c ## LL
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| 141 | #define INT64_MIN (-__INT64_C(9223372036854775807)-1)
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| 142 |
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| 143 | int qq(int x)
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| 144 | {
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| 145 | return x + 40;
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| 146 | }
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| 147 | #define qq(x) x
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| 148 |
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| 149 | #define spin_lock(lock) do { } while (0)
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| 150 | #define wq_spin_lock spin_lock
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| 151 | #define TEST2() wq_spin_lock(a)
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| 152 |
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| 153 | void macro_test(void)
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| 154 | {
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| 155 | printf("macro:\n"); |
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| 156 | |
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| 157 |
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| 158 | pf("N=%d\n", N);
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| 159 | printf("aaa=%d\n", AAA);
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| 160 |
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| 161 | printf("min=%d\n", min(1, min(2, -1)));
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| 162 |
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| 163 | printf("s1=%s\n", glue(HIGH, LOW));
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| 164 | printf("s2=%s\n", xglue(HIGH, LOW));
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| 165 | printf("s3=%s\n", str("c"));
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| 166 | printf("s4=%s\n", str(a1));
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| 167 | printf("B3=%d\n", B3);
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| 168 |
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| 169 | printf("onetwothree=%d\n", onetwothree);
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| 170 |
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| 171 | #ifdef A
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| 172 | printf("A defined\n");
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| 173 | #endif
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| 174 | #ifdef B
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| 175 | printf("B defined\n");
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| 176 | #endif
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| 177 | #ifdef A
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| 178 | printf("A defined\n");
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| 179 | #else
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| 180 | printf("A not defined\n");
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| 181 | #endif
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| 182 | #ifdef B
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| 183 | printf("B defined\n");
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| 184 | #else
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| 185 | printf("B not defined\n");
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| 186 | #endif
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| 187 |
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| 188 | #ifdef A
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| 189 | printf("A defined\n");
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| 190 | #ifdef B
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| 191 | printf("B1 defined\n");
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| 192 | #else
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| 193 | printf("B1 not defined\n");
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| 194 | #endif
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| 195 | #else
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| 196 | printf("A not defined\n");
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| 197 | #ifdef B
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| 198 | printf("B2 defined\n");
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| 199 | #else
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| 200 | printf("B2 not defined\n");
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| 201 | #endif
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| 202 | #endif
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| 203 |
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| 204 | #if 1+1
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| 205 | printf("test true1\n");
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| 206 | #endif
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| 207 | #if 0
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| 208 | printf("test true2\n");
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| 209 | #endif
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| 210 | #if 1-1
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| 211 | printf("test true3\n");
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| 212 | #endif
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| 213 | #if defined(A)
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| 214 | printf("test trueA\n");
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| 215 | #endif
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| 216 | #if defined(B)
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| 217 | printf("test trueB\n");
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| 218 | #endif
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| 219 |
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| 220 | #if 0
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| 221 | printf("test 0\n");
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| 222 | #elif 0
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| 223 | printf("test 1\n");
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| 224 | #elif 2
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| 225 | printf("test 2\n");
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| 226 | #else
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| 227 | printf("test 3\n");
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| 228 | #endif
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| 229 |
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| 230 | MACRO_NOARGS();
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| 231 |
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| 232 | #ifdef __LINE__
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| 233 | printf("__LINE__ defined\n");
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| 234 | #endif
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| 235 |
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| 236 | printf("__LINE__=%d __FILE__=%s\n",
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| 237 | __LINE__, __FILE__);
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| 238 | #line 200
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| 239 | printf("__LINE__=%d __FILE__=%s\n",
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| 240 | __LINE__, __FILE__);
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| 241 | #line 203 "test"
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| 242 | printf("__LINE__=%d __FILE__=%s\n",
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| 243 | __LINE__, __FILE__);
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| 244 | #line 227 "tcctest.c"
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| 245 |
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| 246 | /* not strictly preprocessor, but we test it there */
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| 247 | #ifdef C99_MACROS
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| 248 | printf("__func__ = %s\n", __func__);
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| 249 | dprintf(1, "vaarg=%d\n", 1);
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| 250 | #endif
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| 251 | dprintf1(1, "vaarg1\n");
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| 252 | dprintf1(1, "vaarg1=%d\n", 2);
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| 253 | dprintf1(1, "vaarg1=%d %d\n", 1, 2);
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| 254 |
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| 255 | /* gcc extension */
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| 256 | printf("func='%s'\n", __FUNCTION__);
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| 257 |
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| 258 | /* complicated macros in glibc */
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| 259 | printf("INT64_MIN=%Ld\n", INT64_MIN);
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| 260 | {
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| 261 | int a;
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| 262 | a = 1;
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| 263 | glue(a+, +);
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| 264 | printf("a=%d\n", a);
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| 265 | glue(a <, <= 2);
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| 266 | printf("a=%d\n", a);
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| 267 | }
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| 268 |
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| 269 | /* macro function with argument outside the macro string */
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| 270 | #define MF_s MF_hello
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| 271 | #define MF_hello(msg) printf("%s\n",msg)
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| 272 |
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| 273 | #define MF_t printf("tralala\n"); MF_hello
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| 274 |
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| 275 | MF_s("hi");
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| 276 | MF_t("hi");
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| 277 |
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| 278 | /* test macro substituion inside args (should not eat stream) */
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| 279 | printf("qq=%d\n", qq(qq)(2));
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| 280 |
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| 281 | /* test zero argument case. NOTE: gcc 2.95.x does not accept a
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| 282 | null argument without a space. gcc 3.2 fixes that. */
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| 283 |
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| 284 | #define qq1(x) 1
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| 285 | printf("qq1=%d\n", qq1( ));
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| 286 |
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| 287 | /* comment with stray handling *\
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| 288 | /
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| 289 | /* this is a valid *\/ comment */
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| 290 | /* this is a valid comment *\*/
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| 291 | // this is a valid\
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| 292 | comment
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| 293 |
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| 294 | /* test function macro substitution when the function name is
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| 295 | substituted */
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| 296 | TEST2();
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| 297 |
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| 298 | /* And again when the name and parenthes are separated by a
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| 299 | comment. */
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| 300 | TEST2 /* the comment */ ();
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| 301 | }
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| 302 |
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| 303 |
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| 304 | static void print_num(char *fn, int line, int num) {
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| 305 | printf("fn %s, line %d, num %d\n", fn, line, num);
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| 306 | }
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| 307 |
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| 308 | void recursive_macro_test(void)
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| 309 | {
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| 310 |
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| 311 | #define ELF32_ST_TYPE(val) ((val) & 0xf)
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| 312 | #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
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| 313 | #define STB_WEAK 2 /* Weak symbol */
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| 314 | #define ELFW(type) ELF##32##_##type
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| 315 | printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
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| 316 |
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| 317 | #define WRAP(x) x
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| 318 |
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| 319 | #define print_num(x) print_num(__FILE__,__LINE__,x)
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| 320 | print_num(123);
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| 321 | WRAP(print_num(123));
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| 322 | WRAP(WRAP(print_num(123)));
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| 323 |
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| 324 | static struct recursive_macro { int rm_field; } G;
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| 325 | #define rm_field (G.rm_field)
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| 326 | printf("rm_field = %d\n", rm_field);
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| 327 | printf("rm_field = %d\n", WRAP(rm_field));
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| 328 | WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
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| 329 | }
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| 330 |
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| 331 | int op(a,b)
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| 332 | {
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| 333 | return a / b;
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| 334 | }
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| 335 |
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| 336 | int ret(a)
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| 337 | {
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| 338 | if (a == 2)
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| 339 | return 1;
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| 340 | if (a == 3)
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| 341 | return 2;
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| 342 | return 0;
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| 343 | }
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| 344 |
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| 345 | void ps(const char *s)
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| 346 | {
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| 347 | int c;
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| 348 | while (1) {
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| 349 | c = *s;
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| 350 | if (c == 0)
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| 351 | break;
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| 352 | printf("%c", c);
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| 353 | s++;
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| 354 | }
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| 355 | }
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| 356 |
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| 357 | const char foo1_string[] = "\
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| 358 | bar\n\
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| 359 | test\14\
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| 360 | 1";
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| 361 |
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| 362 | void string_test()
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| 363 | {
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| 364 | unsigned int b;
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| 365 | printf("string:\n");
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| 366 | printf("\141\1423\143\n");/* dezdez test */
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| 367 | printf("\x41\x42\x43\x3a\n");
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| 368 | printf("c=%c\n", 'r');
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| 369 | printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
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| 370 | printf("foo1_string='%s'\n", foo1_string);
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| 371 | #if 0
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| 372 | printf("wstring=%S\n", L"abc");
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| 373 | printf("wstring=%S\n", L"abc" L"def" "ghi");
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| 374 | printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
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| 375 | printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
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| 376 | #endif
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| 377 | ps("test\n");
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| 378 | b = 32;
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| 379 | while ((b = b + 1) < 96) {
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| 380 | printf("%c", b);
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| 381 | }
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| 382 | printf("\n");
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| 383 | printf("fib=%d\n", fib(33));
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| 384 | b = 262144;
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| 385 | while (b != 0x80000000) {
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| 386 | num(b);
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| 387 | b = b * 2;
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| 388 | }
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| 389 | }
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| 390 |
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| 391 | void loop_test()
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| 392 | {
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| 393 | int i;
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| 394 | i = 0;
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| 395 | while (i < 10)
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| 396 | printf("%d", i++);
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| 397 | printf("\n");
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| 398 | for(i = 0; i < 10;i++)
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| 399 | printf("%d", i);
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| 400 | printf("\n");
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| 401 | i = 0;
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| 402 | do {
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| 403 | printf("%d", i++);
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| 404 | } while (i < 10);
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| 405 | printf("\n");
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| 406 |
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| 407 | char count = 123;
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| 408 | /* c99 for loop init test */
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| 409 | for (size_t count = 1; count < 3; count++)
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| 410 | printf("count=%d\n", count);
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| 411 | printf("count = %d\n", count);
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| 412 |
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| 413 | /* break/continue tests */
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| 414 | i = 0;
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| 415 | while (1) {
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| 416 | if (i == 6)
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| 417 | break;
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| 418 | i++;
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| 419 | if (i == 3)
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| 420 | continue;
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| 421 | printf("%d", i);
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| 422 | }
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| 423 | printf("\n");
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| 424 |
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| 425 | /* break/continue tests */
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| 426 | i = 0;
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| 427 | do {
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| 428 | if (i == 6)
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| 429 | break;
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| 430 | i++;
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| 431 | if (i == 3)
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| 432 | continue;
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| 433 | printf("%d", i);
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| 434 | } while(1);
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| 435 | printf("\n");
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| 436 |
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| 437 | for(i = 0;i < 10;i++) {
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| 438 | if (i == 3)
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| 439 | continue;
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| 440 | printf("%d", i);
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| 441 | }
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| 442 | printf("\n");
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| 443 | }
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| 444 |
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| 445 | typedef int typedef_and_label;
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| 446 |
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| 447 | void goto_test()
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| 448 | {
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| 449 | int i;
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| 450 | static void *label_table[3] = { &&label1, &&label2, &&label3 };
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| 451 |
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| 452 | printf("goto:\n");
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| 453 | i = 0;
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| 454 | /* This needs to parse as label, not as start of decl. */
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| 455 | typedef_and_label:
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| 456 | s_loop:
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| 457 | if (i >= 10)
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| 458 | goto s_end;
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| 459 | printf("%d", i);
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| 460 | i++;
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| 461 | goto s_loop;
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| 462 | s_end:
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| 463 | printf("\n");
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| 464 |
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| 465 | /* we also test computed gotos (GCC extension) */
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| 466 | for(i=0;i<3;i++) {
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| 467 | goto *label_table[i];
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| 468 | label1:
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| 469 | printf("label1\n");
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| 470 | goto next;
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| 471 | label2:
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| 472 | printf("label2\n");
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| 473 | goto next;
|
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| 474 | label3:
|
---|
| 475 | printf("label3\n");
|
---|
| 476 | next: ;
|
---|
| 477 | }
|
---|
| 478 | }
|
---|
| 479 |
|
---|
| 480 | enum {
|
---|
| 481 | E0,
|
---|
| 482 | E1 = 2,
|
---|
| 483 | E2 = 4,
|
---|
| 484 | E3,
|
---|
| 485 | E4,
|
---|
| 486 | };
|
---|
| 487 |
|
---|
| 488 | enum test {
|
---|
| 489 | E5 = 1000,
|
---|
| 490 | };
|
---|
| 491 |
|
---|
| 492 | void enum_test()
|
---|
| 493 | {
|
---|
| 494 | enum test b1;
|
---|
| 495 | printf("enum:\n%d %d %d %d %d %d\n",
|
---|
| 496 | E0, E1, E2, E3, E4, E5);
|
---|
| 497 | b1 = 1;
|
---|
| 498 | printf("b1=%d\n", b1);
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 | typedef int *my_ptr;
|
---|
| 502 |
|
---|
| 503 | typedef int mytype1;
|
---|
| 504 | typedef int mytype2;
|
---|
| 505 |
|
---|
| 506 | void typedef_test()
|
---|
| 507 | {
|
---|
| 508 | my_ptr a;
|
---|
| 509 | mytype1 mytype2;
|
---|
| 510 | int b;
|
---|
| 511 |
|
---|
| 512 | a = &b;
|
---|
| 513 | *a = 1234;
|
---|
| 514 | printf("typedef:\n");
|
---|
| 515 | printf("a=%d\n", *a);
|
---|
| 516 | mytype2 = 2;
|
---|
| 517 | printf("mytype2=%d\n", mytype2);
|
---|
| 518 | }
|
---|
| 519 |
|
---|
| 520 | void forward_test()
|
---|
| 521 | {
|
---|
| 522 | printf("forward:\n");
|
---|
| 523 | forward_ref();
|
---|
| 524 | forward_ref();
|
---|
| 525 | }
|
---|
| 526 |
|
---|
| 527 |
|
---|
| 528 | void forward_ref(void)
|
---|
| 529 | {
|
---|
| 530 | printf("forward ok\n");
|
---|
| 531 | }
|
---|
| 532 |
|
---|
| 533 | typedef struct struct1 {
|
---|
| 534 | int f1;
|
---|
| 535 | int f2, f3;
|
---|
| 536 | union union1 {
|
---|
| 537 | int v1;
|
---|
| 538 | int v2;
|
---|
| 539 | } u;
|
---|
| 540 | char str[3];
|
---|
| 541 | } struct1;
|
---|
| 542 |
|
---|
| 543 | struct struct2 {
|
---|
| 544 | int a;
|
---|
| 545 | char b;
|
---|
| 546 | };
|
---|
| 547 |
|
---|
| 548 | union union2 {
|
---|
| 549 | int w1;
|
---|
| 550 | int w2;
|
---|
| 551 | };
|
---|
| 552 |
|
---|
| 553 | struct struct1 st1, st2;
|
---|
| 554 |
|
---|
| 555 | int main(int argc, char **argv)
|
---|
| 556 | {
|
---|
| 557 | string_test();
|
---|
| 558 | expr_test();
|
---|
| 559 | macro_test();
|
---|
| 560 | recursive_macro_test();
|
---|
| 561 | scope_test();
|
---|
| 562 | forward_test();
|
---|
| 563 | funcptr_test();
|
---|
| 564 | loop_test();
|
---|
| 565 | switch_test();
|
---|
| 566 | goto_test();
|
---|
| 567 | enum_test();
|
---|
| 568 | typedef_test();
|
---|
| 569 | struct_test();
|
---|
| 570 | array_test();
|
---|
| 571 | expr_ptr_test();
|
---|
| 572 | bool_test();
|
---|
| 573 | expr2_test();
|
---|
| 574 | constant_expr_test();
|
---|
| 575 | expr_cmp_test();
|
---|
| 576 | char_short_test();
|
---|
| 577 | init_test();
|
---|
| 578 | compound_literal_test();
|
---|
| 579 | kr_test();
|
---|
| 580 | struct_assign_test();
|
---|
| 581 | cast_test();
|
---|
| 582 | bitfield_test();
|
---|
| 583 | c99_bool_test();
|
---|
| 584 | float_test();
|
---|
| 585 | longlong_test();
|
---|
| 586 | manyarg_test();
|
---|
| 587 | stdarg_test();
|
---|
| 588 | whitespace_test();
|
---|
| 589 | relocation_test();
|
---|
| 590 | old_style_function();
|
---|
| 591 | alloca_test();
|
---|
| 592 | c99_vla_test(5, 2);
|
---|
| 593 | sizeof_test();
|
---|
| 594 | typeof_test();
|
---|
| 595 | statement_expr_test();
|
---|
| 596 | local_label_test();
|
---|
| 597 | asm_test();
|
---|
| 598 | builtin_test();
|
---|
| 599 | #ifndef _WIN32
|
---|
| 600 | weak_test();
|
---|
| 601 | #endif
|
---|
| 602 | global_data_test();
|
---|
| 603 | cmp_comparison_test();
|
---|
| 604 | math_cmp_test();
|
---|
| 605 | callsave_test();
|
---|
| 606 | builtin_frame_address_test();
|
---|
| 607 | return 0;
|
---|
| 608 | }
|
---|
| 609 |
|
---|
| 610 | int tab[3];
|
---|
| 611 | int tab2[3][2];
|
---|
| 612 |
|
---|
| 613 | int g;
|
---|
| 614 |
|
---|
| 615 | void f1(g)
|
---|
| 616 | {
|
---|
| 617 | printf("g1=%d\n", g);
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 | void scope_test()
|
---|
| 621 | {
|
---|
| 622 | printf("scope:\n");
|
---|
| 623 | g = 2;
|
---|
| 624 | f1(1);
|
---|
| 625 | printf("g2=%d\n", g);
|
---|
| 626 | {
|
---|
| 627 | int g;
|
---|
| 628 | g = 3;
|
---|
| 629 | printf("g3=%d\n", g);
|
---|
| 630 | {
|
---|
| 631 | int g;
|
---|
| 632 | g = 4;
|
---|
| 633 | printf("g4=%d\n", g);
|
---|
| 634 | }
|
---|
| 635 | }
|
---|
| 636 | printf("g5=%d\n", g);
|
---|
| 637 | }
|
---|
| 638 |
|
---|
| 639 | void array_test()
|
---|
| 640 | {
|
---|
| 641 | int i, j, a[4];
|
---|
| 642 |
|
---|
| 643 | printf("array:\n");
|
---|
| 644 | printf("sizeof(a) = %d\n", sizeof(a));
|
---|
| 645 | printf("sizeof(\"a\") = %d\n", sizeof("a"));
|
---|
| 646 | #ifdef C99_MACROS
|
---|
| 647 | printf("sizeof(__func__) = %d\n", sizeof(__func__));
|
---|
| 648 | #endif
|
---|
| 649 | printf("sizeof tab %d\n", sizeof(tab));
|
---|
| 650 | printf("sizeof tab2 %d\n", sizeof tab2);
|
---|
| 651 | tab[0] = 1;
|
---|
| 652 | tab[1] = 2;
|
---|
| 653 | tab[2] = 3;
|
---|
| 654 | printf("%d %d %d\n", tab[0], tab[1], tab[2]);
|
---|
| 655 | for(i=0;i<3;i++)
|
---|
| 656 | for(j=0;j<2;j++)
|
---|
| 657 | tab2[i][j] = 10 * i + j;
|
---|
| 658 | for(i=0;i<3*2;i++) {
|
---|
| 659 | printf(" %3d", ((int *)tab2)[i]);
|
---|
| 660 | }
|
---|
| 661 | printf("\n");
|
---|
| 662 | printf("sizeof(size_t)=%d\n", sizeof(size_t));
|
---|
| 663 | printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
|
---|
| 664 | }
|
---|
| 665 |
|
---|
| 666 | void expr_test()
|
---|
| 667 | {
|
---|
| 668 | int a, b;
|
---|
| 669 | a = 0;
|
---|
| 670 | printf("%d\n", a += 1);
|
---|
| 671 | printf("%d\n", a -= 2);
|
---|
| 672 | printf("%d\n", a *= 31232132);
|
---|
| 673 | printf("%d\n", a /= 4);
|
---|
| 674 | printf("%d\n", a %= 20);
|
---|
| 675 | printf("%d\n", a &= 6);
|
---|
| 676 | printf("%d\n", a ^= 7);
|
---|
| 677 | printf("%d\n", a |= 8);
|
---|
| 678 | printf("%d\n", a >>= 3);
|
---|
| 679 | printf("%d\n", a <<= 4);
|
---|
| 680 |
|
---|
| 681 | a = 22321;
|
---|
| 682 | b = -22321;
|
---|
| 683 | printf("%d\n", a + 1);
|
---|
| 684 | printf("%d\n", a - 2);
|
---|
| 685 | printf("%d\n", a * 312);
|
---|
| 686 | printf("%d\n", a / 4);
|
---|
| 687 | printf("%d\n", b / 4);
|
---|
| 688 | printf("%d\n", (unsigned)b / 4);
|
---|
| 689 | printf("%d\n", a % 20);
|
---|
| 690 | printf("%d\n", b % 20);
|
---|
| 691 | printf("%d\n", (unsigned)b % 20);
|
---|
| 692 | printf("%d\n", a & 6);
|
---|
| 693 | printf("%d\n", a ^ 7);
|
---|
| 694 | printf("%d\n", a | 8);
|
---|
| 695 | printf("%d\n", a >> 3);
|
---|
| 696 | printf("%d\n", b >> 3);
|
---|
| 697 | printf("%d\n", (unsigned)b >> 3);
|
---|
| 698 | printf("%d\n", a << 4);
|
---|
| 699 | printf("%d\n", ~a);
|
---|
| 700 | printf("%d\n", -a);
|
---|
| 701 | printf("%d\n", +a);
|
---|
| 702 |
|
---|
| 703 | printf("%d\n", 12 + 1);
|
---|
| 704 | printf("%d\n", 12 - 2);
|
---|
| 705 | printf("%d\n", 12 * 312);
|
---|
| 706 | printf("%d\n", 12 / 4);
|
---|
| 707 | printf("%d\n", 12 % 20);
|
---|
| 708 | printf("%d\n", 12 & 6);
|
---|
| 709 | printf("%d\n", 12 ^ 7);
|
---|
| 710 | printf("%d\n", 12 | 8);
|
---|
| 711 | printf("%d\n", 12 >> 2);
|
---|
| 712 | printf("%d\n", 12 << 4);
|
---|
| 713 | printf("%d\n", ~12);
|
---|
| 714 | printf("%d\n", -12);
|
---|
| 715 | printf("%d\n", +12);
|
---|
| 716 | printf("%d %d %d %d\n",
|
---|
| 717 | isid('a'),
|
---|
| 718 | isid('g'),
|
---|
| 719 | isid('T'),
|
---|
| 720 | isid('('));
|
---|
| 721 | }
|
---|
| 722 |
|
---|
| 723 | int isid(int c)
|
---|
| 724 | {
|
---|
| 725 | return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
|
---|
| 726 | }
|
---|
| 727 |
|
---|
| 728 | /**********************/
|
---|
| 729 |
|
---|
| 730 | int vstack[10], *vstack_ptr;
|
---|
| 731 |
|
---|
| 732 | void vpush(int vt, int vc)
|
---|
| 733 | {
|
---|
| 734 | *vstack_ptr++ = vt;
|
---|
| 735 | *vstack_ptr++ = vc;
|
---|
| 736 | }
|
---|
| 737 |
|
---|
| 738 | void vpop(int *ft, int *fc)
|
---|
| 739 | {
|
---|
| 740 | *fc = *--vstack_ptr;
|
---|
| 741 | *ft = *--vstack_ptr;
|
---|
| 742 | }
|
---|
| 743 |
|
---|
| 744 | void expr2_test()
|
---|
| 745 | {
|
---|
| 746 | int a, b;
|
---|
| 747 |
|
---|
| 748 | printf("expr2:\n");
|
---|
| 749 | vstack_ptr = vstack;
|
---|
| 750 | vpush(1432432, 2);
|
---|
| 751 | vstack_ptr[-2] &= ~0xffffff80;
|
---|
| 752 | vpop(&a, &b);
|
---|
| 753 | printf("res= %d %d\n", a, b);
|
---|
| 754 | }
|
---|
| 755 |
|
---|
| 756 | void constant_expr_test()
|
---|
| 757 | {
|
---|
| 758 | int a;
|
---|
| 759 | printf("constant_expr:\n");
|
---|
| 760 | a = 3;
|
---|
| 761 | printf("%d\n", a * 16);
|
---|
| 762 | printf("%d\n", a * 1);
|
---|
| 763 | printf("%d\n", a + 0);
|
---|
| 764 | }
|
---|
| 765 |
|
---|
| 766 | int tab4[10];
|
---|
| 767 |
|
---|
| 768 | void expr_ptr_test()
|
---|
| 769 | {
|
---|
| 770 | int *p, *q;
|
---|
| 771 | int i = -1;
|
---|
| 772 |
|
---|
| 773 | printf("expr_ptr:\n");
|
---|
| 774 | p = tab4;
|
---|
| 775 | q = tab4 + 10;
|
---|
| 776 | printf("diff=%d\n", q - p);
|
---|
| 777 | p++;
|
---|
| 778 | printf("inc=%d\n", p - tab4);
|
---|
| 779 | p--;
|
---|
| 780 | printf("dec=%d\n", p - tab4);
|
---|
| 781 | ++p;
|
---|
| 782 | printf("inc=%d\n", p - tab4);
|
---|
| 783 | --p;
|
---|
| 784 | printf("dec=%d\n", p - tab4);
|
---|
| 785 | printf("add=%d\n", p + 3 - tab4);
|
---|
| 786 | printf("add=%d\n", 3 + p - tab4);
|
---|
| 787 |
|
---|
| 788 | /* check if 64bit support is ok */
|
---|
| 789 | q = p = 0;
|
---|
| 790 | q += i;
|
---|
| 791 | printf("%p %p %ld\n", q, p, p-q);
|
---|
| 792 | printf("%d %d %d %d %d %d\n",
|
---|
| 793 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
| 794 | i = 0xf0000000;
|
---|
| 795 | p += i;
|
---|
| 796 | printf("%p %p %ld\n", q, p, p-q);
|
---|
| 797 | printf("%d %d %d %d %d %d\n",
|
---|
| 798 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
| 799 | p = (int *)((char *)p + 0xf0000000);
|
---|
| 800 | printf("%p %p %ld\n", q, p, p-q);
|
---|
| 801 | printf("%d %d %d %d %d %d\n",
|
---|
| 802 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
| 803 | p += 0xf0000000;
|
---|
| 804 | printf("%p %p %ld\n", q, p, p-q);
|
---|
| 805 | printf("%d %d %d %d %d %d\n",
|
---|
| 806 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
| 807 | {
|
---|
| 808 | struct size12 {
|
---|
| 809 | int i, j, k;
|
---|
| 810 | };
|
---|
| 811 | struct size12 s[2], *sp = s;
|
---|
| 812 | int i, j;
|
---|
| 813 | sp->i = 42;
|
---|
| 814 | sp++;
|
---|
| 815 | j = -1;
|
---|
| 816 | printf("%d\n", sp[j].i);
|
---|
| 817 | }
|
---|
| 818 | }
|
---|
| 819 |
|
---|
| 820 | void expr_cmp_test()
|
---|
| 821 | {
|
---|
| 822 | int a, b;
|
---|
| 823 | printf("constant_expr:\n");
|
---|
| 824 | a = -1;
|
---|
| 825 | b = 1;
|
---|
| 826 | printf("%d\n", a == a);
|
---|
| 827 | printf("%d\n", a != a);
|
---|
| 828 |
|
---|
| 829 | printf("%d\n", a < b);
|
---|
| 830 | printf("%d\n", a <= b);
|
---|
| 831 | printf("%d\n", a <= a);
|
---|
| 832 | printf("%d\n", b >= a);
|
---|
| 833 | printf("%d\n", a >= a);
|
---|
| 834 | printf("%d\n", b > a);
|
---|
| 835 |
|
---|
| 836 | printf("%d\n", (unsigned)a < b);
|
---|
| 837 | printf("%d\n", (unsigned)a <= b);
|
---|
| 838 | printf("%d\n", (unsigned)a <= a);
|
---|
| 839 | printf("%d\n", (unsigned)b >= a);
|
---|
| 840 | printf("%d\n", (unsigned)a >= a);
|
---|
| 841 | printf("%d\n", (unsigned)b > a);
|
---|
| 842 | }
|
---|
| 843 |
|
---|
| 844 | struct empty {
|
---|
| 845 | };
|
---|
| 846 |
|
---|
| 847 | struct aligntest1 {
|
---|
| 848 | char a[10];
|
---|
| 849 | };
|
---|
| 850 |
|
---|
| 851 | struct aligntest2 {
|
---|
| 852 | int a;
|
---|
| 853 | char b[10];
|
---|
| 854 | };
|
---|
| 855 |
|
---|
| 856 | struct aligntest3 {
|
---|
| 857 | double a, b;
|
---|
| 858 | };
|
---|
| 859 |
|
---|
| 860 | struct aligntest4 {
|
---|
| 861 | double a[0];
|
---|
| 862 | };
|
---|
| 863 |
|
---|
| 864 | void struct_test()
|
---|
| 865 | {
|
---|
| 866 | struct1 *s;
|
---|
| 867 | union union2 u;
|
---|
| 868 |
|
---|
| 869 | printf("struct:\n");
|
---|
| 870 | printf("sizes: %d %d %d %d\n",
|
---|
| 871 | sizeof(struct struct1),
|
---|
| 872 | sizeof(struct struct2),
|
---|
| 873 | sizeof(union union1),
|
---|
| 874 | sizeof(union union2));
|
---|
| 875 | st1.f1 = 1;
|
---|
| 876 | st1.f2 = 2;
|
---|
| 877 | st1.f3 = 3;
|
---|
| 878 | printf("st1: %d %d %d\n",
|
---|
| 879 | st1.f1, st1.f2, st1.f3);
|
---|
| 880 | st1.u.v1 = 1;
|
---|
| 881 | st1.u.v2 = 2;
|
---|
| 882 | printf("union1: %d\n", st1.u.v1);
|
---|
| 883 | u.w1 = 1;
|
---|
| 884 | u.w2 = 2;
|
---|
| 885 | printf("union2: %d\n", u.w1);
|
---|
| 886 | s = &st2;
|
---|
| 887 | s->f1 = 3;
|
---|
| 888 | s->f2 = 2;
|
---|
| 889 | s->f3 = 1;
|
---|
| 890 | printf("st2: %d %d %d\n",
|
---|
| 891 | s->f1, s->f2, s->f3);
|
---|
| 892 | printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
|
---|
| 893 |
|
---|
| 894 | /* align / size tests */
|
---|
| 895 | printf("aligntest1 sizeof=%d alignof=%d\n",
|
---|
| 896 | sizeof(struct aligntest1), __alignof__(struct aligntest1));
|
---|
| 897 | printf("aligntest2 sizeof=%d alignof=%d\n",
|
---|
| 898 | sizeof(struct aligntest2), __alignof__(struct aligntest2));
|
---|
| 899 | printf("aligntest3 sizeof=%d alignof=%d\n",
|
---|
| 900 | sizeof(struct aligntest3), __alignof__(struct aligntest3));
|
---|
| 901 | printf("aligntest4 sizeof=%d alignof=%d\n",
|
---|
| 902 | sizeof(struct aligntest4), __alignof__(struct aligntest4));
|
---|
| 903 |
|
---|
| 904 | /* empty structures (GCC extension) */
|
---|
| 905 | printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
|
---|
| 906 | printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
|
---|
| 907 | }
|
---|
| 908 |
|
---|
| 909 | /* XXX: depend on endianness */
|
---|
| 910 | void char_short_test()
|
---|
| 911 | {
|
---|
| 912 | int var1, var2;
|
---|
| 913 |
|
---|
| 914 | printf("char_short:\n");
|
---|
| 915 |
|
---|
| 916 | var1 = 0x01020304;
|
---|
| 917 | var2 = 0xfffefdfc;
|
---|
| 918 | printf("s8=%d %d\n",
|
---|
| 919 | *(char *)&var1, *(char *)&var2);
|
---|
| 920 | printf("u8=%d %d\n",
|
---|
| 921 | *(unsigned char *)&var1, *(unsigned char *)&var2);
|
---|
| 922 | printf("s16=%d %d\n",
|
---|
| 923 | *(short *)&var1, *(short *)&var2);
|
---|
| 924 | printf("u16=%d %d\n",
|
---|
| 925 | *(unsigned short *)&var1, *(unsigned short *)&var2);
|
---|
| 926 | printf("s32=%d %d\n",
|
---|
| 927 | *(int *)&var1, *(int *)&var2);
|
---|
| 928 | printf("u32=%d %d\n",
|
---|
| 929 | *(unsigned int *)&var1, *(unsigned int *)&var2);
|
---|
| 930 | *(char *)&var1 = 0x08;
|
---|
| 931 | printf("var1=%x\n", var1);
|
---|
| 932 | *(short *)&var1 = 0x0809;
|
---|
| 933 | printf("var1=%x\n", var1);
|
---|
| 934 | *(int *)&var1 = 0x08090a0b;
|
---|
| 935 | printf("var1=%x\n", var1);
|
---|
| 936 | }
|
---|
| 937 |
|
---|
| 938 | /******************/
|
---|
| 939 |
|
---|
| 940 | typedef struct Sym {
|
---|
| 941 | int v;
|
---|
| 942 | int t;
|
---|
| 943 | int c;
|
---|
| 944 | struct Sym *next;
|
---|
| 945 | struct Sym *prev;
|
---|
| 946 | } Sym;
|
---|
| 947 |
|
---|
| 948 | #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
|
---|
| 949 | #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
|
---|
| 950 |
|
---|
| 951 | static int toupper1(int a)
|
---|
| 952 | {
|
---|
| 953 | return TOUPPER(a);
|
---|
| 954 | }
|
---|
| 955 |
|
---|
| 956 | void bool_test()
|
---|
| 957 | {
|
---|
| 958 | int *s, a, b, t, f, i;
|
---|
| 959 |
|
---|
| 960 | a = 0;
|
---|
| 961 | s = (void*)0;
|
---|
| 962 | printf("!s=%d\n", !s);
|
---|
| 963 |
|
---|
| 964 | if (!s || !s[0])
|
---|
| 965 | a = 1;
|
---|
| 966 | printf("a=%d\n", a);
|
---|
| 967 |
|
---|
| 968 | printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
|
---|
| 969 | printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
|
---|
| 970 | printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
|
---|
| 971 | #if 1 && 1
|
---|
| 972 | printf("a1\n");
|
---|
| 973 | #endif
|
---|
| 974 | #if 1 || 0
|
---|
| 975 | printf("a2\n");
|
---|
| 976 | #endif
|
---|
| 977 | #if 1 ? 0 : 1
|
---|
| 978 | printf("a3\n");
|
---|
| 979 | #endif
|
---|
| 980 | #if 0 ? 0 : 1
|
---|
| 981 | printf("a4\n");
|
---|
| 982 | #endif
|
---|
| 983 |
|
---|
| 984 | a = 4;
|
---|
| 985 | printf("b=%d\n", a + (0 ? 1 : a / 2));
|
---|
| 986 |
|
---|
| 987 | /* test register spilling */
|
---|
| 988 | a = 10;
|
---|
| 989 | b = 10;
|
---|
| 990 | a = (a + b) * ((a < b) ?
|
---|
| 991 | ((b - a) * (a - b)): a + b);
|
---|
| 992 | printf("a=%d\n", a);
|
---|
| 993 |
|
---|
| 994 | /* test complex || or && expressions */
|
---|
| 995 | t = 1;
|
---|
| 996 | f = 0;
|
---|
| 997 | a = 32;
|
---|
| 998 | printf("exp=%d\n", f == (32 <= a && a <= 3));
|
---|
| 999 | printf("r=%d\n", (t || f) + (t && f));
|
---|
| 1000 |
|
---|
| 1001 | /* test ? : cast */
|
---|
| 1002 | {
|
---|
| 1003 | int aspect_on;
|
---|
| 1004 | int aspect_native = 65536;
|
---|
| 1005 | double bfu_aspect = 1.0;
|
---|
| 1006 | int aspect;
|
---|
| 1007 | for(aspect_on = 0; aspect_on < 2; aspect_on++) {
|
---|
| 1008 | aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
|
---|
| 1009 | printf("aspect=%d\n", aspect);
|
---|
| 1010 | }
|
---|
| 1011 | }
|
---|
| 1012 |
|
---|
| 1013 | /* test ? : GCC extension */
|
---|
| 1014 | {
|
---|
| 1015 | static int v1 = 34 ? : -1; /* constant case */
|
---|
| 1016 | static int v2 = 0 ? : -1; /* constant case */
|
---|
| 1017 | int a = 30;
|
---|
| 1018 |
|
---|
| 1019 | printf("%d %d\n", v1, v2);
|
---|
| 1020 | printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
|
---|
| 1021 | }
|
---|
| 1022 |
|
---|
| 1023 | /* again complex expression */
|
---|
| 1024 | for(i=0;i<256;i++) {
|
---|
| 1025 | if (toupper1 (i) != TOUPPER (i))
|
---|
| 1026 | printf("error %d\n", i);
|
---|
| 1027 | }
|
---|
| 1028 | }
|
---|
| 1029 |
|
---|
| 1030 | /* GCC accepts that */
|
---|
| 1031 | static int tab_reinit[];
|
---|
| 1032 | static int tab_reinit[10];
|
---|
| 1033 |
|
---|
| 1034 | //int cinit1; /* a global variable can be defined several times without error ! */
|
---|
| 1035 | int cinit1;
|
---|
| 1036 | int cinit1;
|
---|
| 1037 | int cinit1 = 0;
|
---|
| 1038 | int *cinit2 = (int []){3, 2, 1};
|
---|
| 1039 |
|
---|
| 1040 | void compound_literal_test(void)
|
---|
| 1041 | {
|
---|
| 1042 | int *p, i;
|
---|
| 1043 | char *q, *q3;
|
---|
| 1044 |
|
---|
| 1045 | printf("compound_test:\n");
|
---|
| 1046 |
|
---|
| 1047 | p = (int []){1, 2, 3};
|
---|
| 1048 | for(i=0;i<3;i++)
|
---|
| 1049 | printf(" %d", p[i]);
|
---|
| 1050 | printf("\n");
|
---|
| 1051 |
|
---|
| 1052 | for(i=0;i<3;i++)
|
---|
| 1053 | printf("%d", cinit2[i]);
|
---|
| 1054 | printf("\n");
|
---|
| 1055 |
|
---|
| 1056 | q = "tralala1";
|
---|
| 1057 | printf("q1=%s\n", q);
|
---|
| 1058 |
|
---|
| 1059 | q = (char *){ "tralala2" };
|
---|
| 1060 | printf("q2=%s\n", q);
|
---|
| 1061 |
|
---|
| 1062 | q3 = (char *){ q };
|
---|
| 1063 | printf("q3=%s\n", q3);
|
---|
| 1064 |
|
---|
| 1065 | q = (char []){ "tralala3" };
|
---|
| 1066 | printf("q4=%s\n", q);
|
---|
| 1067 |
|
---|
| 1068 | #ifdef ALL_ISOC99
|
---|
| 1069 | p = (int []){1, 2, cinit1 + 3};
|
---|
| 1070 | for(i=0;i<3;i++)
|
---|
| 1071 | printf(" %d", p[i]);
|
---|
| 1072 | printf("\n");
|
---|
| 1073 |
|
---|
| 1074 | for(i=0;i<3;i++) {
|
---|
| 1075 | p = (int []){1, 2, 4 + i};
|
---|
| 1076 | printf("%d %d %d\n",
|
---|
| 1077 | p[0],
|
---|
| 1078 | p[1],
|
---|
| 1079 | p[2]);
|
---|
| 1080 | }
|
---|
| 1081 | #endif
|
---|
| 1082 | }
|
---|
| 1083 |
|
---|
| 1084 | /* K & R protos */
|
---|
| 1085 |
|
---|
| 1086 | kr_func1(a, b)
|
---|
| 1087 | {
|
---|
| 1088 | return a + b;
|
---|
| 1089 | }
|
---|
| 1090 |
|
---|
| 1091 | int kr_func2(a, b)
|
---|
| 1092 | {
|
---|
| 1093 | return a + b;
|
---|
| 1094 | }
|
---|
| 1095 |
|
---|
| 1096 | kr_test()
|
---|
| 1097 | {
|
---|
| 1098 | printf("kr_test:\n");
|
---|
| 1099 | printf("func1=%d\n", kr_func1(3, 4));
|
---|
| 1100 | printf("func2=%d\n", kr_func2(3, 4));
|
---|
| 1101 | return 0;
|
---|
| 1102 | }
|
---|
| 1103 |
|
---|
| 1104 | void num(int n)
|
---|
| 1105 | {
|
---|
| 1106 | char *tab, *p;
|
---|
| 1107 | tab = (char*)malloc(20);
|
---|
| 1108 | p = tab;
|
---|
| 1109 | while (1) {
|
---|
| 1110 | *p = 48 + (n % 10);
|
---|
| 1111 | p++;
|
---|
| 1112 | n = n / 10;
|
---|
| 1113 | if (n == 0)
|
---|
| 1114 | break;
|
---|
| 1115 | }
|
---|
| 1116 | while (p != tab) {
|
---|
| 1117 | p--;
|
---|
| 1118 | printf("%c", *p);
|
---|
| 1119 | }
|
---|
| 1120 | printf("\n");
|
---|
| 1121 | free(tab);
|
---|
| 1122 | }
|
---|
| 1123 |
|
---|
| 1124 | /* structure assignment tests */
|
---|
| 1125 | struct structa1 {
|
---|
| 1126 | int f1;
|
---|
| 1127 | char f2;
|
---|
| 1128 | };
|
---|
| 1129 |
|
---|
| 1130 | struct structa1 ssta1;
|
---|
| 1131 |
|
---|
| 1132 | void struct_assign_test1(struct structa1 s1, int t, float f)
|
---|
| 1133 | {
|
---|
| 1134 | printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
|
---|
| 1135 | }
|
---|
| 1136 |
|
---|
| 1137 | struct structa1 struct_assign_test2(struct structa1 s1, int t)
|
---|
| 1138 | {
|
---|
| 1139 | s1.f1 += t;
|
---|
| 1140 | s1.f2 -= t;
|
---|
| 1141 | return s1;
|
---|
| 1142 | }
|
---|
| 1143 |
|
---|
| 1144 | void struct_assign_test(void)
|
---|
| 1145 | {
|
---|
| 1146 | struct S {
|
---|
| 1147 | struct structa1 lsta1, lsta2;
|
---|
| 1148 | int i;
|
---|
| 1149 | } s, *ps;
|
---|
| 1150 |
|
---|
| 1151 | ps = &s;
|
---|
| 1152 | ps->i = 4;
|
---|
| 1153 | #if 0
|
---|
| 1154 | printf("struct_assign_test:\n");
|
---|
| 1155 |
|
---|
| 1156 | s.lsta1.f1 = 1;
|
---|
| 1157 | s.lsta1.f2 = 2;
|
---|
| 1158 | printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
|
---|
| 1159 | s.lsta2 = s.lsta1;
|
---|
| 1160 | printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
|
---|
| 1161 | #else
|
---|
| 1162 | s.lsta2.f1 = 1;
|
---|
| 1163 | s.lsta2.f2 = 2;
|
---|
| 1164 | #endif
|
---|
| 1165 | struct_assign_test1(ps->lsta2, 3, 4.5);
|
---|
| 1166 |
|
---|
| 1167 | printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
|
---|
| 1168 | ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
|
---|
| 1169 | printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
|
---|
| 1170 |
|
---|
| 1171 | static struct {
|
---|
| 1172 | void (*elem)();
|
---|
| 1173 | } t[] = {
|
---|
| 1174 | /* XXX: we should allow this even without braces */
|
---|
| 1175 | { struct_assign_test }
|
---|
| 1176 | };
|
---|
| 1177 | printf("%d\n", struct_assign_test == t[0].elem);
|
---|
| 1178 | }
|
---|
| 1179 |
|
---|
| 1180 | /* casts to short/char */
|
---|
| 1181 |
|
---|
| 1182 | void cast1(char a, short b, unsigned char c, unsigned short d)
|
---|
| 1183 | {
|
---|
| 1184 | printf("%d %d %d %d\n", a, b, c, d);
|
---|
| 1185 | }
|
---|
| 1186 |
|
---|
| 1187 | char bcast;
|
---|
| 1188 | short scast;
|
---|
| 1189 |
|
---|
| 1190 | void cast_test()
|
---|
| 1191 | {
|
---|
| 1192 | int a;
|
---|
| 1193 | char c;
|
---|
| 1194 | char tab[10];
|
---|
| 1195 | unsigned b,d;
|
---|
| 1196 | short s;
|
---|
| 1197 | char *p = NULL;
|
---|
| 1198 | p -= 0x700000000042;
|
---|
| 1199 |
|
---|
| 1200 | printf("cast_test:\n");
|
---|
| 1201 | a = 0xfffff;
|
---|
| 1202 | cast1(a, a, a, a);
|
---|
| 1203 | a = 0xffffe;
|
---|
| 1204 | printf("%d %d %d %d\n",
|
---|
| 1205 | (char)(a + 1),
|
---|
| 1206 | (short)(a + 1),
|
---|
| 1207 | (unsigned char)(a + 1),
|
---|
| 1208 | (unsigned short)(a + 1));
|
---|
| 1209 | printf("%d %d %d %d\n",
|
---|
| 1210 | (char)0xfffff,
|
---|
| 1211 | (short)0xfffff,
|
---|
| 1212 | (unsigned char)0xfffff,
|
---|
| 1213 | (unsigned short)0xfffff);
|
---|
| 1214 |
|
---|
| 1215 | a = (bcast = 128) + 1;
|
---|
| 1216 | printf("%d\n", a);
|
---|
| 1217 | a = (scast = 65536) + 1;
|
---|
| 1218 | printf("%d\n", a);
|
---|
| 1219 |
|
---|
| 1220 | printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
|
---|
| 1221 |
|
---|
| 1222 | /* test cast from unsigned to signed short to int */
|
---|
| 1223 | b = 0xf000;
|
---|
| 1224 | d = (short)b;
|
---|
| 1225 | printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
|
---|
| 1226 | b = 0xf0f0;
|
---|
| 1227 | d = (char)b;
|
---|
| 1228 | printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
|
---|
| 1229 |
|
---|
| 1230 | /* test implicit int casting for array accesses */
|
---|
| 1231 | c = 0;
|
---|
| 1232 | tab[1] = 2;
|
---|
| 1233 | tab[c] = 1;
|
---|
| 1234 | printf("%d %d\n", tab[0], tab[1]);
|
---|
| 1235 |
|
---|
| 1236 | /* test implicit casting on some operators */
|
---|
| 1237 | printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
|
---|
| 1238 | printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
|
---|
| 1239 | printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
|
---|
| 1240 |
|
---|
| 1241 | /* from pointer to integer types */
|
---|
| 1242 | printf("%d %d %ld %ld %lld %lld\n",
|
---|
| 1243 | (int)p, (unsigned int)p,
|
---|
| 1244 | (long)p, (unsigned long)p,
|
---|
| 1245 | (long long)p, (unsigned long long)p);
|
---|
| 1246 |
|
---|
| 1247 | /* from integers to pointers */
|
---|
| 1248 | printf("%p %p %p %p\n",
|
---|
| 1249 | (void *)a, (void *)b, (void *)c, (void *)d);
|
---|
| 1250 | }
|
---|
| 1251 |
|
---|
| 1252 | /* initializers tests */
|
---|
| 1253 | struct structinit1 {
|
---|
| 1254 | int f1;
|
---|
| 1255 | char f2;
|
---|
| 1256 | short f3;
|
---|
| 1257 | int farray[3];
|
---|
| 1258 | };
|
---|
| 1259 |
|
---|
| 1260 | int sinit1 = 2;
|
---|
| 1261 | int sinit2 = { 3 };
|
---|
| 1262 | int sinit3[3] = { 1, 2, {{3}}, };
|
---|
| 1263 | int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
|
---|
| 1264 | int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
|
---|
| 1265 | int sinit6[] = { 1, 2, 3 };
|
---|
| 1266 | int sinit7[] = { [2] = 3, [0] = 1, 2 };
|
---|
| 1267 | char sinit8[] = "hello" "trala";
|
---|
| 1268 |
|
---|
| 1269 | struct structinit1 sinit9 = { 1, 2, 3 };
|
---|
| 1270 | struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
|
---|
| 1271 | struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
|
---|
| 1272 | #ifdef ALL_ISOC99
|
---|
| 1273 | .farray[0] = 10,
|
---|
| 1274 | .farray[1] = 11,
|
---|
| 1275 | .farray[2] = 12,
|
---|
| 1276 | #endif
|
---|
| 1277 | };
|
---|
| 1278 |
|
---|
| 1279 | char *sinit12 = "hello world";
|
---|
| 1280 | char *sinit13[] = {
|
---|
| 1281 | "test1",
|
---|
| 1282 | "test2",
|
---|
| 1283 | "test3",
|
---|
| 1284 | };
|
---|
| 1285 | char sinit14[10] = { "abc" };
|
---|
| 1286 | int sinit15[3] = { sizeof(sinit15), 1, 2 };
|
---|
| 1287 |
|
---|
| 1288 | struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
|
---|
| 1289 |
|
---|
| 1290 | struct bar {
|
---|
| 1291 | char *s;
|
---|
| 1292 | int len;
|
---|
| 1293 | } sinit17[] = {
|
---|
| 1294 | "a1", 4,
|
---|
| 1295 | "a2", 1
|
---|
| 1296 | };
|
---|
| 1297 |
|
---|
| 1298 | int sinit18[10] = {
|
---|
| 1299 | [2 ... 5] = 20,
|
---|
| 1300 | 2,
|
---|
| 1301 | [8] = 10,
|
---|
| 1302 | };
|
---|
| 1303 |
|
---|
| 1304 | struct complexinit0 {
|
---|
| 1305 | int a;
|
---|
| 1306 | int b;
|
---|
| 1307 | };
|
---|
| 1308 |
|
---|
| 1309 | struct complexinit {
|
---|
| 1310 | int a;
|
---|
| 1311 | const struct complexinit0 *b;
|
---|
| 1312 | };
|
---|
| 1313 |
|
---|
| 1314 | const static struct complexinit cix[] = {
|
---|
| 1315 | [0] = {
|
---|
| 1316 | .a = 2000,
|
---|
| 1317 | .b = (const struct complexinit0[]) {
|
---|
| 1318 | { 2001, 2002 },
|
---|
| 1319 | { 2003, 2003 },
|
---|
| 1320 | {}
|
---|
| 1321 | }
|
---|
| 1322 | }
|
---|
| 1323 | };
|
---|
| 1324 |
|
---|
| 1325 | struct complexinit2 {
|
---|
| 1326 | int a;
|
---|
| 1327 | int b[];
|
---|
| 1328 | };
|
---|
| 1329 |
|
---|
| 1330 | struct complexinit2 cix20;
|
---|
| 1331 |
|
---|
| 1332 | struct complexinit2 cix21 = {
|
---|
| 1333 | .a = 3000,
|
---|
| 1334 | .b = { 3001, 3002, 3003 }
|
---|
| 1335 | };
|
---|
| 1336 |
|
---|
| 1337 | struct complexinit2 cix22 = {
|
---|
| 1338 | .a = 4000,
|
---|
| 1339 | .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
|
---|
| 1340 | };
|
---|
| 1341 |
|
---|
| 1342 | void init_test(void)
|
---|
| 1343 | {
|
---|
| 1344 | int linit1 = 2;
|
---|
| 1345 | int linit2 = { 3 };
|
---|
| 1346 | int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
|
---|
| 1347 | int linit6[] = { 1, 2, 3 };
|
---|
| 1348 | int i, j;
|
---|
| 1349 | char linit8[] = "hello" "trala";
|
---|
| 1350 | int linit12[10] = { 1, 2 };
|
---|
| 1351 | int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
|
---|
| 1352 | char linit14[10] = "abc";
|
---|
| 1353 | int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
|
---|
| 1354 | struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
|
---|
| 1355 | int linit17 = sizeof(linit17);
|
---|
| 1356 |
|
---|
| 1357 | printf("init_test:\n");
|
---|
| 1358 |
|
---|
| 1359 | printf("sinit1=%d\n", sinit1);
|
---|
| 1360 | printf("sinit2=%d\n", sinit2);
|
---|
| 1361 | printf("sinit3=%d %d %d %d\n",
|
---|
| 1362 | sizeof(sinit3),
|
---|
| 1363 | sinit3[0],
|
---|
| 1364 | sinit3[1],
|
---|
| 1365 | sinit3[2]
|
---|
| 1366 | );
|
---|
| 1367 | printf("sinit6=%d\n", sizeof(sinit6));
|
---|
| 1368 | printf("sinit7=%d %d %d %d\n",
|
---|
| 1369 | sizeof(sinit7),
|
---|
| 1370 | sinit7[0],
|
---|
| 1371 | sinit7[1],
|
---|
| 1372 | sinit7[2]
|
---|
| 1373 | );
|
---|
| 1374 | printf("sinit8=%s\n", sinit8);
|
---|
| 1375 | printf("sinit9=%d %d %d\n",
|
---|
| 1376 | sinit9.f1,
|
---|
| 1377 | sinit9.f2,
|
---|
| 1378 | sinit9.f3
|
---|
| 1379 | );
|
---|
| 1380 | printf("sinit10=%d %d %d\n",
|
---|
| 1381 | sinit10.f1,
|
---|
| 1382 | sinit10.f2,
|
---|
| 1383 | sinit10.f3
|
---|
| 1384 | );
|
---|
| 1385 | printf("sinit11=%d %d %d %d %d %d\n",
|
---|
| 1386 | sinit11.f1,
|
---|
| 1387 | sinit11.f2,
|
---|
| 1388 | sinit11.f3,
|
---|
| 1389 | sinit11.farray[0],
|
---|
| 1390 | sinit11.farray[1],
|
---|
| 1391 | sinit11.farray[2]
|
---|
| 1392 | );
|
---|
| 1393 |
|
---|
| 1394 | for(i=0;i<3;i++)
|
---|
| 1395 | for(j=0;j<2;j++)
|
---|
| 1396 | printf("[%d][%d] = %d %d %d\n",
|
---|
| 1397 | i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
|
---|
| 1398 | printf("linit1=%d\n", linit1);
|
---|
| 1399 | printf("linit2=%d\n", linit2);
|
---|
| 1400 | printf("linit6=%d\n", sizeof(linit6));
|
---|
| 1401 | printf("linit8=%d %s\n", sizeof(linit8), linit8);
|
---|
| 1402 |
|
---|
| 1403 | printf("sinit12=%s\n", sinit12);
|
---|
| 1404 | printf("sinit13=%d %s %s %s\n",
|
---|
| 1405 | sizeof(sinit13),
|
---|
| 1406 | sinit13[0],
|
---|
| 1407 | sinit13[1],
|
---|
| 1408 | sinit13[2]);
|
---|
| 1409 | printf("sinit14=%s\n", sinit14);
|
---|
| 1410 |
|
---|
| 1411 | for(i=0;i<10;i++) printf(" %d", linit12[i]);
|
---|
| 1412 | printf("\n");
|
---|
| 1413 | for(i=0;i<10;i++) printf(" %d", linit13[i]);
|
---|
| 1414 | printf("\n");
|
---|
| 1415 | for(i=0;i<10;i++) printf(" %d", linit14[i]);
|
---|
| 1416 | printf("\n");
|
---|
| 1417 | for(i=0;i<10;i++) printf(" %d", linit15[i]);
|
---|
| 1418 | printf("\n");
|
---|
| 1419 | printf("%d %d %d %d\n",
|
---|
| 1420 | linit16.a1,
|
---|
| 1421 | linit16.a2,
|
---|
| 1422 | linit16.a3,
|
---|
| 1423 | linit16.a4);
|
---|
| 1424 | /* test that initialisation is done after variable declare */
|
---|
| 1425 | printf("linit17=%d\n", linit17);
|
---|
| 1426 | printf("sinit15=%d\n", sinit15[0]);
|
---|
| 1427 | printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
|
---|
| 1428 | printf("sinit17=%s %d %s %d\n",
|
---|
| 1429 | sinit17[0].s, sinit17[0].len,
|
---|
| 1430 | sinit17[1].s, sinit17[1].len);
|
---|
| 1431 | for(i=0;i<10;i++)
|
---|
| 1432 | printf("%x ", sinit18[i]);
|
---|
| 1433 | printf("\n");
|
---|
| 1434 | /* complex init check */
|
---|
| 1435 | printf("cix: %d %d %d %d %d %d %d\n",
|
---|
| 1436 | cix[0].a,
|
---|
| 1437 | cix[0].b[0].a, cix[0].b[0].b,
|
---|
| 1438 | cix[0].b[1].a, cix[0].b[1].b,
|
---|
| 1439 | cix[0].b[2].a, cix[0].b[2].b);
|
---|
| 1440 | printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
|
---|
| 1441 | printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
|
---|
| 1442 | }
|
---|
| 1443 |
|
---|
| 1444 |
|
---|
| 1445 | void switch_test()
|
---|
| 1446 | {
|
---|
| 1447 | int i;
|
---|
| 1448 |
|
---|
| 1449 | for(i=0;i<15;i++) {
|
---|
| 1450 | switch(i) {
|
---|
| 1451 | case 0:
|
---|
| 1452 | case 1:
|
---|
| 1453 | printf("a");
|
---|
| 1454 | break;
|
---|
| 1455 | default:
|
---|
| 1456 | printf("%d", i);
|
---|
| 1457 | break;
|
---|
| 1458 | case 8 ... 12:
|
---|
| 1459 | printf("c");
|
---|
| 1460 | break;
|
---|
| 1461 | case 3:
|
---|
| 1462 | printf("b");
|
---|
| 1463 | break;
|
---|
| 1464 | }
|
---|
| 1465 | }
|
---|
| 1466 | printf("\n");
|
---|
| 1467 | }
|
---|
| 1468 |
|
---|
| 1469 | /* ISOC99 _Bool type */
|
---|
| 1470 | void c99_bool_test(void)
|
---|
| 1471 | {
|
---|
| 1472 | #ifdef BOOL_ISOC99
|
---|
| 1473 | int a;
|
---|
| 1474 | _Bool b;
|
---|
| 1475 |
|
---|
| 1476 | printf("bool_test:\n");
|
---|
| 1477 | printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
|
---|
| 1478 | a = 3;
|
---|
| 1479 | printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
|
---|
| 1480 | b = 3;
|
---|
| 1481 | printf("b = %d\n", b);
|
---|
| 1482 | b++;
|
---|
| 1483 | printf("b = %d\n", b);
|
---|
| 1484 | #endif
|
---|
| 1485 | }
|
---|
| 1486 |
|
---|
| 1487 | void bitfield_test(void)
|
---|
| 1488 | {
|
---|
| 1489 | int a;
|
---|
| 1490 | short sa;
|
---|
| 1491 | unsigned char ca;
|
---|
| 1492 | struct sbf1 {
|
---|
| 1493 | int f1 : 3;
|
---|
| 1494 | int : 2;
|
---|
| 1495 | int f2 : 1;
|
---|
| 1496 | int : 0;
|
---|
| 1497 | int f3 : 5;
|
---|
| 1498 | int f4 : 7;
|
---|
| 1499 | unsigned int f5 : 7;
|
---|
| 1500 | } st1;
|
---|
| 1501 | printf("bitfield_test:");
|
---|
| 1502 | printf("sizeof(st1) = %d\n", sizeof(st1));
|
---|
| 1503 |
|
---|
| 1504 | st1.f1 = 3;
|
---|
| 1505 | st1.f2 = 1;
|
---|
| 1506 | st1.f3 = 15;
|
---|
| 1507 | a = 120;
|
---|
| 1508 | st1.f4 = a;
|
---|
| 1509 | st1.f5 = a;
|
---|
| 1510 | st1.f5++;
|
---|
| 1511 | printf("%d %d %d %d %d\n",
|
---|
| 1512 | st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
|
---|
| 1513 | sa = st1.f5;
|
---|
| 1514 | ca = st1.f5;
|
---|
| 1515 | printf("%d %d\n", sa, ca);
|
---|
| 1516 |
|
---|
| 1517 | st1.f1 = 7;
|
---|
| 1518 | if (st1.f1 == -1)
|
---|
| 1519 | printf("st1.f1 == -1\n");
|
---|
| 1520 | else
|
---|
| 1521 | printf("st1.f1 != -1\n");
|
---|
| 1522 | if (st1.f2 == -1)
|
---|
| 1523 | printf("st1.f2 == -1\n");
|
---|
| 1524 | else
|
---|
| 1525 | printf("st1.f2 != -1\n");
|
---|
| 1526 |
|
---|
| 1527 | /* bit sizes below must be bigger than 32 since GCC doesn't allow
|
---|
| 1528 | long-long bitfields whose size is not bigger than int */
|
---|
| 1529 | struct sbf2 {
|
---|
| 1530 | long long f1 : 45;
|
---|
| 1531 | long long : 2;
|
---|
| 1532 | long long f2 : 35;
|
---|
| 1533 | unsigned long long f3 : 38;
|
---|
| 1534 | } st2;
|
---|
| 1535 | st2.f1 = 0x123456789ULL;
|
---|
| 1536 | a = 120;
|
---|
| 1537 | st2.f2 = (long long)a << 25;
|
---|
| 1538 | st2.f3 = a;
|
---|
| 1539 | st2.f2++;
|
---|
| 1540 | printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
|
---|
| 1541 | }
|
---|
| 1542 |
|
---|
| 1543 | #ifdef __x86_64__
|
---|
| 1544 | #define FLOAT_FMT "%f\n"
|
---|
| 1545 | #else
|
---|
| 1546 | /* x86's float isn't compatible with GCC */
|
---|
| 1547 | #define FLOAT_FMT "%.5f\n"
|
---|
| 1548 | #endif
|
---|
| 1549 |
|
---|
| 1550 | /* declare strto* functions as they are C99 */
|
---|
| 1551 | double strtod(const char *nptr, char **endptr);
|
---|
| 1552 | float strtof(const char *nptr, char **endptr);
|
---|
| 1553 | long double strtold(const char *nptr, char **endptr);
|
---|
| 1554 |
|
---|
| 1555 | #define FTEST(prefix, type, fmt)\
|
---|
| 1556 | void prefix ## cmp(type a, type b)\
|
---|
| 1557 | {\
|
---|
| 1558 | printf("%d %d %d %d %d %d\n",\
|
---|
| 1559 | a == b,\
|
---|
| 1560 | a != b,\
|
---|
| 1561 | a < b,\
|
---|
| 1562 | a > b,\
|
---|
| 1563 | a >= b,\
|
---|
| 1564 | a <= b);\
|
---|
| 1565 | printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
|
---|
| 1566 | a,\
|
---|
| 1567 | b,\
|
---|
| 1568 | a + b,\
|
---|
| 1569 | a - b,\
|
---|
| 1570 | a * b,\
|
---|
| 1571 | a / b,\
|
---|
| 1572 | -a);\
|
---|
| 1573 | printf(fmt "\n", ++a);\
|
---|
| 1574 | printf(fmt "\n", a++);\
|
---|
| 1575 | printf(fmt "\n", a);\
|
---|
| 1576 | b = 0;\
|
---|
| 1577 | printf("%d %d\n", !a, !b);\
|
---|
| 1578 | }\
|
---|
| 1579 | void prefix ## fcast(type a)\
|
---|
| 1580 | {\
|
---|
| 1581 | float fa;\
|
---|
| 1582 | double da;\
|
---|
| 1583 | long double la;\
|
---|
| 1584 | int ia;\
|
---|
| 1585 | unsigned int ua;\
|
---|
| 1586 | type b;\
|
---|
| 1587 | fa = a;\
|
---|
| 1588 | da = a;\
|
---|
| 1589 | la = a;\
|
---|
| 1590 | printf("ftof: %f %f %Lf\n", fa, da, la);\
|
---|
| 1591 | ia = (int)a;\
|
---|
| 1592 | ua = (unsigned int)a;\
|
---|
| 1593 | printf("ftoi: %d %u\n", ia, ua);\
|
---|
| 1594 | ia = -1234;\
|
---|
| 1595 | ua = 0x81234500;\
|
---|
| 1596 | b = ia;\
|
---|
| 1597 | printf("itof: " fmt "\n", b);\
|
---|
| 1598 | b = ua;\
|
---|
| 1599 | printf("utof: " fmt "\n", b);\
|
---|
| 1600 | }\
|
---|
| 1601 | \
|
---|
| 1602 | float prefix ## retf(type a) { return a; }\
|
---|
| 1603 | double prefix ## retd(type a) { return a; }\
|
---|
| 1604 | long double prefix ## retld(type a) { return a; }\
|
---|
| 1605 | \
|
---|
| 1606 | void prefix ## call(void)\
|
---|
| 1607 | {\
|
---|
| 1608 | printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
|
---|
| 1609 | printf("double: %f\n", prefix ## retd(42.123456789));\
|
---|
| 1610 | printf("long double: %Lf\n", prefix ## retld(42.123456789));\
|
---|
| 1611 | printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
|
---|
| 1612 | }\
|
---|
| 1613 | \
|
---|
| 1614 | void prefix ## test(void)\
|
---|
| 1615 | {\
|
---|
| 1616 | printf("testing '%s'\n", #type);\
|
---|
| 1617 | prefix ## cmp(1, 2.5);\
|
---|
| 1618 | prefix ## cmp(2, 1.5);\
|
---|
| 1619 | prefix ## cmp(1, 1);\
|
---|
| 1620 | prefix ## fcast(234.6);\
|
---|
| 1621 | prefix ## fcast(-2334.6);\
|
---|
| 1622 | prefix ## call();\
|
---|
| 1623 | }
|
---|
| 1624 |
|
---|
| 1625 | FTEST(f, float, "%f")
|
---|
| 1626 | FTEST(d, double, "%f")
|
---|
| 1627 | FTEST(ld, long double, "%Lf")
|
---|
| 1628 |
|
---|
| 1629 | double ftab1[3] = { 1.2, 3.4, -5.6 };
|
---|
| 1630 |
|
---|
| 1631 |
|
---|
| 1632 | void float_test(void)
|
---|
| 1633 | {
|
---|
| 1634 | float fa, fb;
|
---|
| 1635 | double da, db;
|
---|
| 1636 | int a;
|
---|
| 1637 | unsigned int b;
|
---|
| 1638 |
|
---|
| 1639 | printf("float_test:\n");
|
---|
| 1640 | printf("sizeof(float) = %d\n", sizeof(float));
|
---|
| 1641 | printf("sizeof(double) = %d\n", sizeof(double));
|
---|
| 1642 | printf("sizeof(long double) = %d\n", sizeof(long double));
|
---|
| 1643 | ftest();
|
---|
| 1644 | dtest();
|
---|
| 1645 | ldtest();
|
---|
| 1646 | printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
|
---|
| 1647 | printf("%f %f %f\n", 2.12, .5, 2.3e10);
|
---|
| 1648 | // printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
|
---|
| 1649 | da = 123;
|
---|
| 1650 | printf("da=%f\n", da);
|
---|
| 1651 | fa = 123;
|
---|
| 1652 | printf("fa=%f\n", fa);
|
---|
| 1653 | a = 4000000000;
|
---|
| 1654 | da = a;
|
---|
| 1655 | printf("da = %f\n", da);
|
---|
| 1656 | b = 4000000000;
|
---|
| 1657 | db = b;
|
---|
| 1658 | printf("db = %f\n", db);
|
---|
| 1659 | }
|
---|
| 1660 |
|
---|
| 1661 | int fib(int n)
|
---|
| 1662 | {
|
---|
| 1663 | if (n <= 2)
|
---|
| 1664 | return 1;
|
---|
| 1665 | else
|
---|
| 1666 | return fib(n-1) + fib(n-2);
|
---|
| 1667 | }
|
---|
| 1668 |
|
---|
| 1669 | void funcptr_test()
|
---|
| 1670 | {
|
---|
| 1671 | void (*func)(int);
|
---|
| 1672 | int a;
|
---|
| 1673 | struct {
|
---|
| 1674 | int dummy;
|
---|
| 1675 | void (*func)(int);
|
---|
| 1676 | } st1;
|
---|
| 1677 |
|
---|
| 1678 | printf("funcptr:\n");
|
---|
| 1679 | func = #
|
---|
| 1680 | (*func)(12345);
|
---|
| 1681 | func = num;
|
---|
| 1682 | a = 1;
|
---|
| 1683 | a = 1;
|
---|
| 1684 | func(12345);
|
---|
| 1685 | /* more complicated pointer computation */
|
---|
| 1686 | st1.func = num;
|
---|
| 1687 | st1.func(12346);
|
---|
| 1688 | printf("sizeof1 = %d\n", sizeof(funcptr_test));
|
---|
| 1689 | printf("sizeof2 = %d\n", sizeof funcptr_test);
|
---|
| 1690 | printf("sizeof3 = %d\n", sizeof(&funcptr_test));
|
---|
| 1691 | printf("sizeof4 = %d\n", sizeof &funcptr_test);
|
---|
| 1692 | }
|
---|
| 1693 |
|
---|
| 1694 | void lloptest(long long a, long long b)
|
---|
| 1695 | {
|
---|
| 1696 | unsigned long long ua, ub;
|
---|
| 1697 |
|
---|
| 1698 | ua = a;
|
---|
| 1699 | ub = b;
|
---|
| 1700 | /* arith */
|
---|
| 1701 | printf("arith: %Ld %Ld %Ld\n",
|
---|
| 1702 | a + b,
|
---|
| 1703 | a - b,
|
---|
| 1704 | a * b);
|
---|
| 1705 |
|
---|
| 1706 | if (b != 0) {
|
---|
| 1707 | printf("arith1: %Ld %Ld\n",
|
---|
| 1708 | a / b,
|
---|
| 1709 | a % b);
|
---|
| 1710 | }
|
---|
| 1711 |
|
---|
| 1712 | /* binary */
|
---|
| 1713 | printf("bin: %Ld %Ld %Ld\n",
|
---|
| 1714 | a & b,
|
---|
| 1715 | a | b,
|
---|
| 1716 | a ^ b);
|
---|
| 1717 |
|
---|
| 1718 | /* tests */
|
---|
| 1719 | printf("test: %d %d %d %d %d %d\n",
|
---|
| 1720 | a == b,
|
---|
| 1721 | a != b,
|
---|
| 1722 | a < b,
|
---|
| 1723 | a > b,
|
---|
| 1724 | a >= b,
|
---|
| 1725 | a <= b);
|
---|
| 1726 |
|
---|
| 1727 | printf("utest: %d %d %d %d %d %d\n",
|
---|
| 1728 | ua == ub,
|
---|
| 1729 | ua != ub,
|
---|
| 1730 | ua < ub,
|
---|
| 1731 | ua > ub,
|
---|
| 1732 | ua >= ub,
|
---|
| 1733 | ua <= ub);
|
---|
| 1734 |
|
---|
| 1735 | /* arith2 */
|
---|
| 1736 | a++;
|
---|
| 1737 | b++;
|
---|
| 1738 | printf("arith2: %Ld %Ld\n", a, b);
|
---|
| 1739 | printf("arith2: %Ld %Ld\n", a++, b++);
|
---|
| 1740 | printf("arith2: %Ld %Ld\n", --a, --b);
|
---|
| 1741 | printf("arith2: %Ld %Ld\n", a, b);
|
---|
| 1742 | b = ub = 0;
|
---|
| 1743 | printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
|
---|
| 1744 | }
|
---|
| 1745 |
|
---|
| 1746 | void llshift(long long a, int b)
|
---|
| 1747 | {
|
---|
| 1748 | printf("shift: %Ld %Ld %Ld\n",
|
---|
| 1749 | (unsigned long long)a >> b,
|
---|
| 1750 | a >> b,
|
---|
| 1751 | a << b);
|
---|
| 1752 | printf("shiftc: %Ld %Ld %Ld\n",
|
---|
| 1753 | (unsigned long long)a >> 3,
|
---|
| 1754 | a >> 3,
|
---|
| 1755 | a << 3);
|
---|
| 1756 | printf("shiftc: %Ld %Ld %Ld\n",
|
---|
| 1757 | (unsigned long long)a >> 35,
|
---|
| 1758 | a >> 35,
|
---|
| 1759 | a << 35);
|
---|
| 1760 | }
|
---|
| 1761 |
|
---|
| 1762 | void llfloat(void)
|
---|
| 1763 | {
|
---|
| 1764 | float fa;
|
---|
| 1765 | double da;
|
---|
| 1766 | long double lda;
|
---|
| 1767 | long long la, lb, lc;
|
---|
| 1768 | unsigned long long ula, ulb, ulc;
|
---|
| 1769 | la = 0x12345678;
|
---|
| 1770 | ula = 0x72345678;
|
---|
| 1771 | la = (la << 20) | 0x12345;
|
---|
| 1772 | ula = ula << 33;
|
---|
| 1773 | printf("la=%Ld ula=%Lu\n", la, ula);
|
---|
| 1774 |
|
---|
| 1775 | fa = la;
|
---|
| 1776 | da = la;
|
---|
| 1777 | lda = la;
|
---|
| 1778 | printf("lltof: %f %f %Lf\n", fa, da, lda);
|
---|
| 1779 |
|
---|
| 1780 | la = fa;
|
---|
| 1781 | lb = da;
|
---|
| 1782 | lc = lda;
|
---|
| 1783 | printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
|
---|
| 1784 |
|
---|
| 1785 | fa = ula;
|
---|
| 1786 | da = ula;
|
---|
| 1787 | lda = ula;
|
---|
| 1788 | printf("ulltof: %f %f %Lf\n", fa, da, lda);
|
---|
| 1789 |
|
---|
| 1790 | ula = fa;
|
---|
| 1791 | ulb = da;
|
---|
| 1792 | ulc = lda;
|
---|
| 1793 | printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
|
---|
| 1794 | }
|
---|
| 1795 |
|
---|
| 1796 | long long llfunc1(int a)
|
---|
| 1797 | {
|
---|
| 1798 | return a * 2;
|
---|
| 1799 | }
|
---|
| 1800 |
|
---|
| 1801 | struct S {
|
---|
| 1802 | int id;
|
---|
| 1803 | char item;
|
---|
| 1804 | };
|
---|
| 1805 |
|
---|
| 1806 | long long int value(struct S *v)
|
---|
| 1807 | {
|
---|
| 1808 | return ((long long int)v->item);
|
---|
| 1809 | }
|
---|
| 1810 |
|
---|
| 1811 | void longlong_test(void)
|
---|
| 1812 | {
|
---|
| 1813 | long long a, b, c;
|
---|
| 1814 | int ia;
|
---|
| 1815 | unsigned int ua;
|
---|
| 1816 | printf("longlong_test:\n");
|
---|
| 1817 | printf("sizeof(long long) = %d\n", sizeof(long long));
|
---|
| 1818 | ia = -1;
|
---|
| 1819 | ua = -2;
|
---|
| 1820 | a = ia;
|
---|
| 1821 | b = ua;
|
---|
| 1822 | printf("%Ld %Ld\n", a, b);
|
---|
| 1823 | printf("%Ld %Ld %Ld %Lx\n",
|
---|
| 1824 | (long long)1,
|
---|
| 1825 | (long long)-2,
|
---|
| 1826 | 1LL,
|
---|
| 1827 | 0x1234567812345679);
|
---|
| 1828 | a = llfunc1(-3);
|
---|
| 1829 | printf("%Ld\n", a);
|
---|
| 1830 |
|
---|
| 1831 | lloptest(1000, 23);
|
---|
| 1832 | lloptest(0xff, 0x1234);
|
---|
| 1833 | b = 0x72345678 << 10;
|
---|
| 1834 | lloptest(-3, b);
|
---|
| 1835 | llshift(0x123, 5);
|
---|
| 1836 | llshift(-23, 5);
|
---|
| 1837 | b = 0x72345678LL << 10;
|
---|
| 1838 | llshift(b, 47);
|
---|
| 1839 |
|
---|
| 1840 | llfloat();
|
---|
| 1841 | #if 1
|
---|
| 1842 | b = 0x12345678;
|
---|
| 1843 | a = -1;
|
---|
| 1844 | c = a + b;
|
---|
| 1845 | printf("%Lx\n", c);
|
---|
| 1846 | #endif
|
---|
| 1847 |
|
---|
| 1848 | /* long long reg spill test */
|
---|
| 1849 | {
|
---|
| 1850 | struct S a;
|
---|
| 1851 |
|
---|
| 1852 | a.item = 3;
|
---|
| 1853 | printf("%lld\n", value(&a));
|
---|
| 1854 | }
|
---|
| 1855 | lloptest(0x80000000, 0);
|
---|
| 1856 |
|
---|
| 1857 | /* another long long spill test */
|
---|
| 1858 | {
|
---|
| 1859 | long long *p, v;
|
---|
| 1860 | v = 1;
|
---|
| 1861 | p = &v;
|
---|
| 1862 | p[0]++;
|
---|
| 1863 | printf("%lld\n", *p);
|
---|
| 1864 | }
|
---|
| 1865 |
|
---|
| 1866 | a = 68719476720LL;
|
---|
| 1867 | b = 4294967295LL;
|
---|
| 1868 | printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
|
---|
| 1869 |
|
---|
| 1870 | printf("%Ld\n", 0x123456789LLU);
|
---|
| 1871 | }
|
---|
| 1872 |
|
---|
| 1873 | void manyarg_test(void)
|
---|
| 1874 | {
|
---|
| 1875 | long double ld = 1234567891234LL;
|
---|
| 1876 | printf("manyarg_test:\n");
|
---|
| 1877 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
|
---|
| 1878 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1879 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
|
---|
| 1880 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 1881 | "%Ld %Ld %f %f\n",
|
---|
| 1882 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1883 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 1884 | 1234567891234LL, 987654321986LL,
|
---|
| 1885 | 42.0, 43.0);
|
---|
| 1886 | printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 1887 | "%Ld %Ld %f %f\n",
|
---|
| 1888 | ld, 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1889 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 1890 | 1234567891234LL, 987654321986LL,
|
---|
| 1891 | 42.0, 43.0);
|
---|
| 1892 | /* XXX: known bug of x86-64 */
|
---|
| 1893 | #ifndef __x86_64__
|
---|
| 1894 | printf("%d %d %d %d %d %d %d %d %Lf\n",
|
---|
| 1895 | 1, 2, 3, 4, 5, 6, 7, 8, ld);
|
---|
| 1896 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 1897 | "%Ld %Ld %f %f %Lf\n",
|
---|
| 1898 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1899 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 1900 | 1234567891234LL, 987654321986LL,
|
---|
| 1901 | 42.0, 43.0, ld);
|
---|
| 1902 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 1903 | "%Lf %Ld %Ld %f %f %Lf\n",
|
---|
| 1904 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1905 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 1906 | ld, 1234567891234LL, 987654321986LL,
|
---|
| 1907 | 42.0, 43.0, ld);
|
---|
| 1908 | #endif
|
---|
| 1909 | }
|
---|
| 1910 |
|
---|
| 1911 | void vprintf1(const char *fmt, ...)
|
---|
| 1912 | {
|
---|
| 1913 | va_list ap, aq;
|
---|
| 1914 | const char *p;
|
---|
| 1915 | int c, i;
|
---|
| 1916 | double d;
|
---|
| 1917 | long long ll;
|
---|
| 1918 | long double ld;
|
---|
| 1919 |
|
---|
| 1920 | va_start(aq, fmt);
|
---|
| 1921 | va_copy(ap, aq);
|
---|
| 1922 |
|
---|
| 1923 | p = fmt;
|
---|
| 1924 | for(;;) {
|
---|
| 1925 | c = *p;
|
---|
| 1926 | if (c == '\0')
|
---|
| 1927 | break;
|
---|
| 1928 | p++;
|
---|
| 1929 | if (c == '%') {
|
---|
| 1930 | c = *p;
|
---|
| 1931 | switch(c) {
|
---|
| 1932 | case '\0':
|
---|
| 1933 | goto the_end;
|
---|
| 1934 | case 'd':
|
---|
| 1935 | i = va_arg(ap, int);
|
---|
| 1936 | printf("%d", i);
|
---|
| 1937 | break;
|
---|
| 1938 | case 'f':
|
---|
| 1939 | d = va_arg(ap, double);
|
---|
| 1940 | printf("%f", d);
|
---|
| 1941 | break;
|
---|
| 1942 | case 'l':
|
---|
| 1943 | ll = va_arg(ap, long long);
|
---|
| 1944 | printf("%Ld", ll);
|
---|
| 1945 | break;
|
---|
| 1946 | case 'F':
|
---|
| 1947 | ld = va_arg(ap, long double);
|
---|
| 1948 | printf("%Lf", ld);
|
---|
| 1949 | break;
|
---|
| 1950 | }
|
---|
| 1951 | p++;
|
---|
| 1952 | } else {
|
---|
| 1953 | putchar(c);
|
---|
| 1954 | }
|
---|
| 1955 | }
|
---|
| 1956 | the_end:
|
---|
| 1957 | va_end(aq);
|
---|
| 1958 | va_end(ap);
|
---|
| 1959 | }
|
---|
| 1960 |
|
---|
| 1961 | struct myspace {
|
---|
| 1962 | short int profile;
|
---|
| 1963 | };
|
---|
| 1964 |
|
---|
| 1965 | void stdarg_for_struct(struct myspace bob, ...)
|
---|
| 1966 | {
|
---|
| 1967 | struct myspace george, bill;
|
---|
| 1968 | va_list ap;
|
---|
| 1969 | short int validate;
|
---|
| 1970 |
|
---|
| 1971 | va_start(ap, bob);
|
---|
| 1972 | bill = va_arg(ap, struct myspace);
|
---|
| 1973 | george = va_arg(ap, struct myspace);
|
---|
| 1974 | validate = va_arg(ap, int);
|
---|
| 1975 | printf("stdarg_for_struct: %d %d %d %d\n",
|
---|
| 1976 | bob.profile, bill.profile, george.profile, validate);
|
---|
| 1977 | va_end(ap);
|
---|
| 1978 | }
|
---|
| 1979 |
|
---|
| 1980 | void stdarg_test(void)
|
---|
| 1981 | {
|
---|
| 1982 | long double ld = 1234567891234LL;
|
---|
| 1983 | struct myspace bob;
|
---|
| 1984 |
|
---|
| 1985 | vprintf1("%d %d %d\n", 1, 2, 3);
|
---|
| 1986 | vprintf1("%f %d %f\n", 1.0, 2, 3.0);
|
---|
| 1987 | vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
|
---|
| 1988 | vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
|
---|
| 1989 | #ifdef __x86_64__
|
---|
| 1990 | /* a bug of x86's TCC */
|
---|
| 1991 | vprintf1("%d %f %l %F %d %f %l %F\n",
|
---|
| 1992 | 1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
|
---|
| 1993 | #endif
|
---|
| 1994 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
|
---|
| 1995 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1996 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
|
---|
| 1997 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
|
---|
| 1998 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 1999 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
|
---|
| 2000 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 2001 | "%l %l %f %f\n",
|
---|
| 2002 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 2003 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 2004 | 1234567891234LL, 987654321986LL,
|
---|
| 2005 | 42.0, 43.0);
|
---|
| 2006 | vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 2007 | "%l %l %f %f\n",
|
---|
| 2008 | ld, 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 2009 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 2010 | 1234567891234LL, 987654321986LL,
|
---|
| 2011 | 42.0, 43.0);
|
---|
| 2012 | vprintf1("%d %d %d %d %d %d %d %d %F\n",
|
---|
| 2013 | 1, 2, 3, 4, 5, 6, 7, 8, ld);
|
---|
| 2014 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 2015 | "%l %l %f %f %F\n",
|
---|
| 2016 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 2017 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 2018 | 1234567891234LL, 987654321986LL,
|
---|
| 2019 | 42.0, 43.0, ld);
|
---|
| 2020 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
| 2021 | "%F %l %l %f %f %F\n",
|
---|
| 2022 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
| 2023 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
| 2024 | ld, 1234567891234LL, 987654321986LL,
|
---|
| 2025 | 42.0, 43.0, ld);
|
---|
| 2026 |
|
---|
| 2027 | bob.profile = 42;
|
---|
| 2028 | stdarg_for_struct(bob, bob, bob, bob.profile);
|
---|
| 2029 | }
|
---|
| 2030 |
|
---|
| 2031 | void whitespace_test(void)
|
---|
| 2032 | {
|
---|
| 2033 | char *str;
|
---|
| 2034 |
|
---|
| 2035 | |
---|
| 2036 | |
---|
| 2037 |
|
---|
| 2038 | #if 1
|
---|
| 2039 | pri\
|
---|
| 2040 | ntf("whitspace:\n"); |
---|
| 2041 | |
---|
| 2042 |
|
---|
| 2043 | #endif
|
---|
| 2044 | pf("N=%d\n", 2);
|
---|
| 2045 |
|
---|
| 2046 | #ifdef CORRECT_CR_HANDLING
|
---|
| 2047 | pri\
|
---|
| 2048 | ntf("aaa=%d\n", 3);
|
---|
| 2049 | #endif
|
---|
| 2050 |
|
---|
| 2051 | pri\
|
---|
| 2052 | \
|
---|
| 2053 | ntf("min=%d\n", 4);
|
---|
| 2054 |
|
---|
| 2055 | #ifdef ACCEPT_CR_IN_STRINGS
|
---|
| 2056 | printf("len1=%d\n", strlen("
|
---|
| 2057 | "));
|
---|
| 2058 | #ifdef CORRECT_CR_HANDLING
|
---|
| 2059 | str = "
|
---|
| 2060 | ";
|
---|
| 2061 | printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
|
---|
| 2062 | #endif
|
---|
| 2063 | printf("len1=%d\n", strlen("
|
---|
| 2064 | a
|
---|
| 2065 | "));
|
---|
| 2066 | #endif /* ACCEPT_CR_IN_STRINGS */
|
---|
| 2067 | }
|
---|
| 2068 |
|
---|
| 2069 | int reltab[3] = { 1, 2, 3 };
|
---|
| 2070 |
|
---|
| 2071 | int *rel1 = &reltab[1];
|
---|
| 2072 | int *rel2 = &reltab[2];
|
---|
| 2073 |
|
---|
| 2074 | void relocation_test(void)
|
---|
| 2075 | {
|
---|
| 2076 | printf("*rel1=%d\n", *rel1);
|
---|
| 2077 | printf("*rel2=%d\n", *rel2);
|
---|
| 2078 | }
|
---|
| 2079 |
|
---|
| 2080 | void old_style_f(a,b,c)
|
---|
| 2081 | int a, b;
|
---|
| 2082 | double c;
|
---|
| 2083 | {
|
---|
| 2084 | printf("a=%d b=%d b=%f\n", a, b, c);
|
---|
| 2085 | }
|
---|
| 2086 |
|
---|
| 2087 | void decl_func1(int cmpfn())
|
---|
| 2088 | {
|
---|
| 2089 | printf("cmpfn=%lx\n", (long)cmpfn);
|
---|
| 2090 | }
|
---|
| 2091 |
|
---|
| 2092 | void decl_func2(cmpfn)
|
---|
| 2093 | int cmpfn();
|
---|
| 2094 | {
|
---|
| 2095 | printf("cmpfn=%lx\n", (long)cmpfn);
|
---|
| 2096 | }
|
---|
| 2097 |
|
---|
| 2098 | void old_style_function(void)
|
---|
| 2099 | {
|
---|
| 2100 | old_style_f((void *)1, 2, 3.0);
|
---|
| 2101 | decl_func1(NULL);
|
---|
| 2102 | decl_func2(NULL);
|
---|
| 2103 | }
|
---|
| 2104 |
|
---|
| 2105 | void alloca_test()
|
---|
| 2106 | {
|
---|
| 2107 | #if defined __i386__ || defined __x86_64__
|
---|
| 2108 | char *p = alloca(16);
|
---|
| 2109 | strcpy(p,"123456789012345");
|
---|
| 2110 | printf("alloca: p is %s\n", p);
|
---|
| 2111 | char *demo = "This is only a test.\n";
|
---|
| 2112 | /* Test alloca embedded in a larger expression */
|
---|
| 2113 | printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
|
---|
| 2114 | #endif
|
---|
| 2115 | }
|
---|
| 2116 |
|
---|
| 2117 | void *bounds_checking_is_enabled()
|
---|
| 2118 | {
|
---|
| 2119 | char ca[10], *cp = ca-1;
|
---|
| 2120 | return (ca != cp + 1) ? cp : NULL;
|
---|
| 2121 | }
|
---|
| 2122 |
|
---|
| 2123 | typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
|
---|
| 2124 |
|
---|
| 2125 | void c99_vla_test(int size1, int size2)
|
---|
| 2126 | {
|
---|
| 2127 | #if defined __i386__ || defined __x86_64__
|
---|
| 2128 | int size = size1 * size2;
|
---|
| 2129 | int tab1[size][2], tab2[10][2];
|
---|
| 2130 | void *tab1_ptr, *tab2_ptr, *bad_ptr;
|
---|
| 2131 |
|
---|
| 2132 | /* "size" should have been 'captured' at tab1 declaration,
|
---|
| 2133 | so modifying it should have no effect on VLA behaviour. */
|
---|
| 2134 | size = size-1;
|
---|
| 2135 |
|
---|
| 2136 | printf("Test C99 VLA 1 (sizeof): ");
|
---|
| 2137 | printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
|
---|
| 2138 | tab1_ptr = tab1;
|
---|
| 2139 | tab2_ptr = tab2;
|
---|
| 2140 | printf("Test C99 VLA 2 (ptrs substract): ");
|
---|
| 2141 | printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
|
---|
| 2142 | printf("Test C99 VLA 3 (ptr add): ");
|
---|
| 2143 | printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
|
---|
| 2144 | printf("Test C99 VLA 4 (ptr access): ");
|
---|
| 2145 | tab1[size1][1] = 42;
|
---|
| 2146 | printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
|
---|
| 2147 |
|
---|
| 2148 | printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
|
---|
| 2149 | if (bad_ptr = bounds_checking_is_enabled()) {
|
---|
| 2150 | int *t1 = &tab1[size1 * size2 - 1][3];
|
---|
| 2151 | int *t2 = &tab2[9][3];
|
---|
| 2152 | printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
|
---|
| 2153 | printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
|
---|
| 2154 |
|
---|
| 2155 | char*c1 = 1 + sizeof(tab1) + (char*)tab1;
|
---|
| 2156 | char*c2 = 1 + sizeof(tab2) + (char*)tab2;
|
---|
| 2157 | printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
|
---|
| 2158 | printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
|
---|
| 2159 |
|
---|
| 2160 | int *i1 = tab1[-1];
|
---|
| 2161 | int *i2 = tab2[-1];
|
---|
| 2162 | printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
|
---|
| 2163 | printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
|
---|
| 2164 |
|
---|
| 2165 | int *x1 = tab1[size1 * size2 + 1];
|
---|
| 2166 | int *x2 = tab2[10 + 1];
|
---|
| 2167 | printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
|
---|
| 2168 | printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
|
---|
| 2169 | } else {
|
---|
| 2170 | printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
|
---|
| 2171 | }
|
---|
| 2172 | printf("\n");
|
---|
| 2173 | #endif
|
---|
| 2174 | }
|
---|
| 2175 |
|
---|
| 2176 | typedef __SIZE_TYPE__ uintptr_t;
|
---|
| 2177 |
|
---|
| 2178 | void sizeof_test(void)
|
---|
| 2179 | {
|
---|
| 2180 | int a;
|
---|
| 2181 | int **ptr;
|
---|
| 2182 |
|
---|
| 2183 | printf("sizeof(int) = %d\n", sizeof(int));
|
---|
| 2184 | printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
|
---|
| 2185 | printf("sizeof(long) = %d\n", sizeof(long));
|
---|
| 2186 | printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
|
---|
| 2187 | printf("sizeof(short) = %d\n", sizeof(short));
|
---|
| 2188 | printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
|
---|
| 2189 | printf("sizeof(char) = %d\n", sizeof(char));
|
---|
| 2190 | printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
|
---|
| 2191 | printf("sizeof(func) = %d\n", sizeof sizeof_test());
|
---|
| 2192 | a = 1;
|
---|
| 2193 | printf("sizeof(a++) = %d\n", sizeof a++);
|
---|
| 2194 | printf("a=%d\n", a);
|
---|
| 2195 | ptr = NULL;
|
---|
| 2196 | printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
|
---|
| 2197 |
|
---|
| 2198 | /* The type of sizeof should be as large as a pointer, actually
|
---|
| 2199 | it should be size_t. */
|
---|
| 2200 | printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
|
---|
| 2201 | uintptr_t t = 1;
|
---|
| 2202 | uintptr_t t2;
|
---|
| 2203 | /* Effectively <<32, but defined also on 32bit machines. */
|
---|
| 2204 | t <<= 16;
|
---|
| 2205 | t <<= 16;
|
---|
| 2206 | t++;
|
---|
| 2207 | /* This checks that sizeof really can be used to manipulate
|
---|
| 2208 | uintptr_t objects, without truncation. */
|
---|
| 2209 | t2 = t & -sizeof(uintptr_t);
|
---|
| 2210 | printf ("%lu %lu\n", t, t2);
|
---|
| 2211 |
|
---|
| 2212 | /* some alignof tests */
|
---|
| 2213 | printf("__alignof__(int) = %d\n", __alignof__(int));
|
---|
| 2214 | printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
|
---|
| 2215 | printf("__alignof__(short) = %d\n", __alignof__(short));
|
---|
| 2216 | printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
|
---|
| 2217 | printf("__alignof__(char) = %d\n", __alignof__(char));
|
---|
| 2218 | printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
|
---|
| 2219 | printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
|
---|
| 2220 | }
|
---|
| 2221 |
|
---|
| 2222 | void typeof_test(void)
|
---|
| 2223 | {
|
---|
| 2224 | double a;
|
---|
| 2225 | typeof(a) b;
|
---|
| 2226 | typeof(float) c;
|
---|
| 2227 |
|
---|
| 2228 | a = 1.5;
|
---|
| 2229 | b = 2.5;
|
---|
| 2230 | c = 3.5;
|
---|
| 2231 | printf("a=%f b=%f c=%f\n", a, b, c);
|
---|
| 2232 | }
|
---|
| 2233 |
|
---|
| 2234 | void statement_expr_test(void)
|
---|
| 2235 | {
|
---|
| 2236 | int a, i;
|
---|
| 2237 |
|
---|
| 2238 | a = 0;
|
---|
| 2239 | for(i=0;i<10;i++) {
|
---|
| 2240 | a += 1 +
|
---|
| 2241 | ( { int b, j;
|
---|
| 2242 | b = 0;
|
---|
| 2243 | for(j=0;j<5;j++)
|
---|
| 2244 | b += j; b;
|
---|
| 2245 | } );
|
---|
| 2246 | }
|
---|
| 2247 | printf("a=%d\n", a);
|
---|
| 2248 |
|
---|
| 2249 | }
|
---|
| 2250 |
|
---|
| 2251 | void local_label_test(void)
|
---|
| 2252 | {
|
---|
| 2253 | int a;
|
---|
| 2254 | goto l1;
|
---|
| 2255 | l2:
|
---|
| 2256 | a = 1 + ({
|
---|
| 2257 | __label__ l1, l2, l3, l4;
|
---|
| 2258 | goto l1;
|
---|
| 2259 | l4:
|
---|
| 2260 | printf("aa1\n");
|
---|
| 2261 | goto l3;
|
---|
| 2262 | l2:
|
---|
| 2263 | printf("aa3\n");
|
---|
| 2264 | goto l4;
|
---|
| 2265 | l1:
|
---|
| 2266 | printf("aa2\n");
|
---|
| 2267 | goto l2;
|
---|
| 2268 | l3:;
|
---|
| 2269 | 1;
|
---|
| 2270 | });
|
---|
| 2271 | printf("a=%d\n", a);
|
---|
| 2272 | return;
|
---|
| 2273 | l4:
|
---|
| 2274 | printf("bb1\n");
|
---|
| 2275 | goto l2;
|
---|
| 2276 | l1:
|
---|
| 2277 | printf("bb2\n");
|
---|
| 2278 | goto l4;
|
---|
| 2279 | }
|
---|
| 2280 |
|
---|
| 2281 | /* inline assembler test */
|
---|
| 2282 | #ifdef __i386__
|
---|
| 2283 |
|
---|
| 2284 | /* from linux kernel */
|
---|
| 2285 | static char * strncat1(char * dest,const char * src,size_t count)
|
---|
| 2286 | {
|
---|
| 2287 | int d0, d1, d2, d3;
|
---|
| 2288 | __asm__ __volatile__(
|
---|
| 2289 | "repne\n\t"
|
---|
| 2290 | "scasb\n\t"
|
---|
| 2291 | "decl %1\n\t"
|
---|
| 2292 | "movl %8,%3\n"
|
---|
| 2293 | "1:\tdecl %3\n\t"
|
---|
| 2294 | "js 2f\n\t"
|
---|
| 2295 | "lodsb\n\t"
|
---|
| 2296 | "stosb\n\t"
|
---|
| 2297 | "testb %%al,%%al\n\t"
|
---|
| 2298 | "jne 1b\n"
|
---|
| 2299 | "2:\txorl %2,%2\n\t"
|
---|
| 2300 | "stosb"
|
---|
| 2301 | : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
|
---|
| 2302 | : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
|
---|
| 2303 | : "memory");
|
---|
| 2304 | return dest;
|
---|
| 2305 | }
|
---|
| 2306 |
|
---|
| 2307 | static char * strncat2(char * dest,const char * src,size_t count)
|
---|
| 2308 | {
|
---|
| 2309 | int d0, d1, d2, d3;
|
---|
| 2310 | __asm__ __volatile__(
|
---|
| 2311 | "repne scasb\n\t" /* one-line repne prefix + string op */
|
---|
| 2312 | "decl %1\n\t"
|
---|
| 2313 | "movl %8,%3\n"
|
---|
| 2314 | "1:\tdecl %3\n\t"
|
---|
| 2315 | "js 2f\n\t"
|
---|
| 2316 | "lodsb\n\t"
|
---|
| 2317 | "stosb\n\t"
|
---|
| 2318 | "testb %%al,%%al\n\t"
|
---|
| 2319 | "jne 1b\n"
|
---|
| 2320 | "2:\txorl %2,%2\n\t"
|
---|
| 2321 | "stosb"
|
---|
| 2322 | : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
|
---|
| 2323 | : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
|
---|
| 2324 | : "memory");
|
---|
| 2325 | return dest;
|
---|
| 2326 | }
|
---|
| 2327 |
|
---|
| 2328 | static inline void * memcpy1(void * to, const void * from, size_t n)
|
---|
| 2329 | {
|
---|
| 2330 | int d0, d1, d2;
|
---|
| 2331 | __asm__ __volatile__(
|
---|
| 2332 | "rep ; movsl\n\t"
|
---|
| 2333 | "testb $2,%b4\n\t"
|
---|
| 2334 | "je 1f\n\t"
|
---|
| 2335 | "movsw\n"
|
---|
| 2336 | "1:\ttestb $1,%b4\n\t"
|
---|
| 2337 | "je 2f\n\t"
|
---|
| 2338 | "movsb\n"
|
---|
| 2339 | "2:"
|
---|
| 2340 | : "=&c" (d0), "=&D" (d1), "=&S" (d2)
|
---|
| 2341 | :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
|
---|
| 2342 | : "memory");
|
---|
| 2343 | return (to);
|
---|
| 2344 | }
|
---|
| 2345 |
|
---|
| 2346 | static inline void * memcpy2(void * to, const void * from, size_t n)
|
---|
| 2347 | {
|
---|
| 2348 | int d0, d1, d2;
|
---|
| 2349 | __asm__ __volatile__(
|
---|
| 2350 | "rep movsl\n\t" /* one-line rep prefix + string op */
|
---|
| 2351 | "testb $2,%b4\n\t"
|
---|
| 2352 | "je 1f\n\t"
|
---|
| 2353 | "movsw\n"
|
---|
| 2354 | "1:\ttestb $1,%b4\n\t"
|
---|
| 2355 | "je 2f\n\t"
|
---|
| 2356 | "movsb\n"
|
---|
| 2357 | "2:"
|
---|
| 2358 | : "=&c" (d0), "=&D" (d1), "=&S" (d2)
|
---|
| 2359 | :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
|
---|
| 2360 | : "memory");
|
---|
| 2361 | return (to);
|
---|
| 2362 | }
|
---|
| 2363 |
|
---|
| 2364 | static __inline__ void sigaddset1(unsigned int *set, int _sig)
|
---|
| 2365 | {
|
---|
| 2366 | __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
|
---|
| 2367 | }
|
---|
| 2368 |
|
---|
| 2369 | static __inline__ void sigdelset1(unsigned int *set, int _sig)
|
---|
| 2370 | {
|
---|
| 2371 | asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
|
---|
| 2372 | }
|
---|
| 2373 |
|
---|
| 2374 | static __inline__ __const__ unsigned int swab32(unsigned int x)
|
---|
| 2375 | {
|
---|
| 2376 | __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
|
---|
| 2377 | "rorl $16,%0\n\t" /* swap words */
|
---|
| 2378 | "xchgb %b0,%h0" /* swap higher bytes */
|
---|
| 2379 | :"=q" (x)
|
---|
| 2380 | : "0" (x));
|
---|
| 2381 | return x;
|
---|
| 2382 | }
|
---|
| 2383 |
|
---|
| 2384 | static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
|
---|
| 2385 | {
|
---|
| 2386 | unsigned long long res;
|
---|
| 2387 | __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
|
---|
| 2388 | return res;
|
---|
| 2389 | }
|
---|
| 2390 |
|
---|
| 2391 | static __inline__ unsigned long long inc64(unsigned long long a)
|
---|
| 2392 | {
|
---|
| 2393 | unsigned long long res;
|
---|
| 2394 | __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
|
---|
| 2395 | return res;
|
---|
| 2396 | }
|
---|
| 2397 |
|
---|
| 2398 | unsigned int set;
|
---|
| 2399 |
|
---|
| 2400 | void asm_test(void)
|
---|
| 2401 | {
|
---|
| 2402 | char buf[128];
|
---|
| 2403 | unsigned int val;
|
---|
| 2404 |
|
---|
| 2405 | printf("inline asm:\n");
|
---|
| 2406 | /* test the no operand case */
|
---|
| 2407 | asm volatile ("xorl %eax, %eax");
|
---|
| 2408 |
|
---|
| 2409 | memcpy1(buf, "hello", 6);
|
---|
| 2410 | strncat1(buf, " worldXXXXX", 3);
|
---|
| 2411 | printf("%s\n", buf);
|
---|
| 2412 |
|
---|
| 2413 | memcpy2(buf, "hello", 6);
|
---|
| 2414 | strncat2(buf, " worldXXXXX", 3);
|
---|
| 2415 | printf("%s\n", buf);
|
---|
| 2416 |
|
---|
| 2417 | /* 'A' constraint test */
|
---|
| 2418 | printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
|
---|
| 2419 | printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
|
---|
| 2420 |
|
---|
| 2421 | set = 0xff;
|
---|
| 2422 | sigdelset1(&set, 2);
|
---|
| 2423 | sigaddset1(&set, 16);
|
---|
| 2424 | /* NOTE: we test here if C labels are correctly restored after the
|
---|
| 2425 | asm statement */
|
---|
| 2426 | goto label1;
|
---|
| 2427 | label2:
|
---|
| 2428 | __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
|
---|
| 2429 | #ifdef __GNUC__ // works strange with GCC 4.3
|
---|
| 2430 | set=0x1080fd;
|
---|
| 2431 | #endif
|
---|
| 2432 | printf("set=0x%x\n", set);
|
---|
| 2433 | val = 0x01020304;
|
---|
| 2434 | printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
|
---|
| 2435 | return;
|
---|
| 2436 | label1:
|
---|
| 2437 | goto label2;
|
---|
| 2438 | }
|
---|
| 2439 |
|
---|
| 2440 | #else
|
---|
| 2441 |
|
---|
| 2442 | void asm_test(void)
|
---|
| 2443 | {
|
---|
| 2444 | }
|
---|
| 2445 |
|
---|
| 2446 | #endif
|
---|
| 2447 |
|
---|
| 2448 | #define COMPAT_TYPE(type1, type2) \
|
---|
| 2449 | {\
|
---|
| 2450 | printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
|
---|
| 2451 | __builtin_types_compatible_p (type1, type2));\
|
---|
| 2452 | }
|
---|
| 2453 |
|
---|
| 2454 | int constant_p_var;
|
---|
| 2455 |
|
---|
| 2456 | void builtin_test(void)
|
---|
| 2457 | {
|
---|
| 2458 | #if GCC_MAJOR >= 3
|
---|
| 2459 | COMPAT_TYPE(int, int);
|
---|
| 2460 | COMPAT_TYPE(int, unsigned int);
|
---|
| 2461 | COMPAT_TYPE(int, char);
|
---|
| 2462 | COMPAT_TYPE(int, const int);
|
---|
| 2463 | COMPAT_TYPE(int, volatile int);
|
---|
| 2464 | COMPAT_TYPE(int *, int *);
|
---|
| 2465 | COMPAT_TYPE(int *, void *);
|
---|
| 2466 | COMPAT_TYPE(int *, const int *);
|
---|
| 2467 | COMPAT_TYPE(char *, unsigned char *);
|
---|
| 2468 | /* space is needed because tcc preprocessor introduces a space between each token */
|
---|
| 2469 | COMPAT_TYPE(char * *, void *);
|
---|
| 2470 | #endif
|
---|
| 2471 | printf("res = %d\n", __builtin_constant_p(1));
|
---|
| 2472 | printf("res = %d\n", __builtin_constant_p(1 + 2));
|
---|
| 2473 | printf("res = %d\n", __builtin_constant_p(&constant_p_var));
|
---|
| 2474 | printf("res = %d\n", __builtin_constant_p(constant_p_var));
|
---|
| 2475 | }
|
---|
| 2476 |
|
---|
| 2477 | #ifndef _WIN32
|
---|
| 2478 | extern int __attribute__((weak)) weak_f1(void);
|
---|
| 2479 | extern int __attribute__((weak)) weak_f2(void);
|
---|
| 2480 | extern int weak_f3(void);
|
---|
| 2481 | extern int __attribute__((weak)) weak_v1;
|
---|
| 2482 | extern int __attribute__((weak)) weak_v2;
|
---|
| 2483 | extern int weak_v3;
|
---|
| 2484 |
|
---|
| 2485 | extern int (*weak_fpa)() __attribute__((weak));
|
---|
| 2486 | extern int __attribute__((weak)) (*weak_fpb)();
|
---|
| 2487 | extern __attribute__((weak)) int (*weak_fpc)();
|
---|
| 2488 |
|
---|
| 2489 | extern int weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
|
---|
| 2490 | extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x") ;
|
---|
| 2491 | extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
|
---|
| 2492 | extern int weak_asm_v1 asm("weak_asm_v1x") __attribute((weak));
|
---|
| 2493 | extern int __attribute((weak)) weak_asm_v2 asm("weak_asm_v2x") ;
|
---|
| 2494 | extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
|
---|
| 2495 |
|
---|
| 2496 | static const size_t dummy = 0;
|
---|
| 2497 | extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
|
---|
| 2498 | extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
|
---|
| 2499 | extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
|
---|
| 2500 |
|
---|
| 2501 | int some_lib_func(void);
|
---|
| 2502 | int dummy_impl_of_slf(void) { return 444; }
|
---|
| 2503 | int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
|
---|
| 2504 |
|
---|
| 2505 | int weak_toolate() __attribute__((weak));
|
---|
| 2506 | int weak_toolate() { return 0; }
|
---|
| 2507 |
|
---|
| 2508 | void __attribute__((weak)) weak_test(void)
|
---|
| 2509 | {
|
---|
| 2510 | printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
|
---|
| 2511 | printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
|
---|
| 2512 | printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
|
---|
| 2513 | printf("weak_v1=%d\n",&weak_v1 ? weak_v1 : 123);
|
---|
| 2514 | printf("weak_v2=%d\n",&weak_v2 ? weak_v2 : 123);
|
---|
| 2515 | printf("weak_v3=%d\n",&weak_v3 ? weak_v3 : 123);
|
---|
| 2516 |
|
---|
| 2517 | printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
|
---|
| 2518 | printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
|
---|
| 2519 | printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
|
---|
| 2520 |
|
---|
| 2521 | printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
|
---|
| 2522 | printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
|
---|
| 2523 | printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
|
---|
| 2524 | printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
|
---|
| 2525 | printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
|
---|
| 2526 | printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
|
---|
| 2527 | }
|
---|
| 2528 |
|
---|
| 2529 | int __attribute__((weak)) weak_f2() { return 222; }
|
---|
| 2530 | int __attribute__((weak)) weak_f3() { return 333; }
|
---|
| 2531 | int __attribute__((weak)) weak_v2 = 222;
|
---|
| 2532 | int __attribute__((weak)) weak_v3 = 333;
|
---|
| 2533 | #endif
|
---|
| 2534 |
|
---|
| 2535 | void const_func(const int a)
|
---|
| 2536 | {
|
---|
| 2537 | }
|
---|
| 2538 |
|
---|
| 2539 | void const_warn_test(void)
|
---|
| 2540 | {
|
---|
| 2541 | const_func(1);
|
---|
| 2542 | }
|
---|
| 2543 |
|
---|
| 2544 | struct condstruct {
|
---|
| 2545 | int i;
|
---|
| 2546 | };
|
---|
| 2547 |
|
---|
| 2548 | int getme (struct condstruct *s, int i)
|
---|
| 2549 | {
|
---|
| 2550 | int i1 = (i == 0 ? 0 : s)->i;
|
---|
| 2551 | int i2 = (i == 0 ? s : 0)->i;
|
---|
| 2552 | int i3 = (i == 0 ? (void*)0 : s)->i;
|
---|
| 2553 | int i4 = (i == 0 ? s : (void*)0)->i;
|
---|
| 2554 | return i1 + i2 + i3 + i4;
|
---|
| 2555 | }
|
---|
| 2556 |
|
---|
| 2557 | struct global_data
|
---|
| 2558 | {
|
---|
| 2559 | int a[40];
|
---|
| 2560 | int *b[40];
|
---|
| 2561 | };
|
---|
| 2562 |
|
---|
| 2563 | struct global_data global_data;
|
---|
| 2564 |
|
---|
| 2565 | int global_data_getstuff (int *, int);
|
---|
| 2566 |
|
---|
| 2567 | void global_data_callit (int i)
|
---|
| 2568 | {
|
---|
| 2569 | *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
|
---|
| 2570 | }
|
---|
| 2571 |
|
---|
| 2572 | int global_data_getstuff (int *p, int i)
|
---|
| 2573 | {
|
---|
| 2574 | return *p + i;
|
---|
| 2575 | }
|
---|
| 2576 |
|
---|
| 2577 | void global_data_test (void)
|
---|
| 2578 | {
|
---|
| 2579 | global_data.a[0] = 42;
|
---|
| 2580 | global_data.b[0] = &global_data.a[0];
|
---|
| 2581 | global_data_callit (0);
|
---|
| 2582 | printf ("%d\n", global_data.a[0]);
|
---|
| 2583 | }
|
---|
| 2584 |
|
---|
| 2585 | struct cmpcmpS
|
---|
| 2586 | {
|
---|
| 2587 | unsigned char fill : 3;
|
---|
| 2588 | unsigned char b1 : 1;
|
---|
| 2589 | unsigned char b2 : 1;
|
---|
| 2590 | unsigned char fill2 : 3;
|
---|
| 2591 | };
|
---|
| 2592 |
|
---|
| 2593 | int glob1, glob2, glob3;
|
---|
| 2594 |
|
---|
| 2595 | void compare_comparisons (struct cmpcmpS *s)
|
---|
| 2596 | {
|
---|
| 2597 | if (s->b1 != (glob1 == glob2)
|
---|
| 2598 | || (s->b2 != (glob1 == glob3)))
|
---|
| 2599 | printf ("comparing comparisons broken\n");
|
---|
| 2600 | }
|
---|
| 2601 |
|
---|
| 2602 | void cmp_comparison_test(void)
|
---|
| 2603 | {
|
---|
| 2604 | struct cmpcmpS s;
|
---|
| 2605 | s.b1 = 1;
|
---|
| 2606 | glob1 = 42; glob2 = 42;
|
---|
| 2607 | s.b2 = 0;
|
---|
| 2608 | glob3 = 43;
|
---|
| 2609 | compare_comparisons (&s);
|
---|
| 2610 | }
|
---|
| 2611 |
|
---|
| 2612 | int fcompare (double a, double b, int code)
|
---|
| 2613 | {
|
---|
| 2614 | switch (code) {
|
---|
| 2615 | case 0: return a == b;
|
---|
| 2616 | case 1: return a != b;
|
---|
| 2617 | case 2: return a < b;
|
---|
| 2618 | case 3: return a >= b;
|
---|
| 2619 | case 4: return a > b;
|
---|
| 2620 | case 5: return a <= b;
|
---|
| 2621 | }
|
---|
| 2622 | }
|
---|
| 2623 |
|
---|
| 2624 | void math_cmp_test(void)
|
---|
| 2625 | {
|
---|
| 2626 | double nan = 0.0/0.0;
|
---|
| 2627 | double one = 1.0;
|
---|
| 2628 | double two = 2.0;
|
---|
| 2629 | int comp = 0;
|
---|
| 2630 | #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
|
---|
| 2631 |
|
---|
| 2632 | /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
|
---|
| 2633 | And it does this in various ways so that all code generation paths
|
---|
| 2634 | are checked (generating inverted tests, or non-inverted tests, or
|
---|
| 2635 | producing a 0/1 value without jumps (that's done in the fcompare
|
---|
| 2636 | function). */
|
---|
| 2637 | #define FCMP(a,b,op,iop,code) \
|
---|
| 2638 | if (fcompare (a,b,code)) \
|
---|
| 2639 | bug (a,b,op,iop,1); \
|
---|
| 2640 | if (a op b) \
|
---|
| 2641 | bug (a,b,op,iop,2); \
|
---|
| 2642 | if (a iop b) \
|
---|
| 2643 | ; \
|
---|
| 2644 | else \
|
---|
| 2645 | bug (a,b,op,iop,3); \
|
---|
| 2646 | if ((a op b) || comp) \
|
---|
| 2647 | bug (a,b,op,iop,4); \
|
---|
| 2648 | if ((a iop b) || comp) \
|
---|
| 2649 | ; \
|
---|
| 2650 | else \
|
---|
| 2651 | bug (a,b,op,iop,5);
|
---|
| 2652 |
|
---|
| 2653 | /* Equality tests. */
|
---|
| 2654 | FCMP(nan, nan, ==, !=, 0);
|
---|
| 2655 | FCMP(one, two, ==, !=, 0);
|
---|
| 2656 | FCMP(one, one, !=, ==, 1);
|
---|
| 2657 | /* Non-equality is a bit special. */
|
---|
| 2658 | if (!fcompare (nan, nan, 1))
|
---|
| 2659 | bug (nan, nan, !=, ==, 6);
|
---|
| 2660 |
|
---|
| 2661 | /* Relational tests on numbers. */
|
---|
| 2662 | FCMP(two, one, <, >=, 2);
|
---|
| 2663 | FCMP(one, two, >=, <, 3);
|
---|
| 2664 | FCMP(one, two, >, <=, 4);
|
---|
| 2665 | FCMP(two, one, <=, >, 5);
|
---|
| 2666 |
|
---|
| 2667 | /* Relational tests on NaNs. Note that the inverse op here is
|
---|
| 2668 | always !=, there's no operator in C that is equivalent to !(a < b),
|
---|
| 2669 | when NaNs are involved, same for the other relational ops. */
|
---|
| 2670 | FCMP(nan, nan, <, !=, 2);
|
---|
| 2671 | FCMP(nan, nan, >=, !=, 3);
|
---|
| 2672 | FCMP(nan, nan, >, !=, 4);
|
---|
| 2673 | FCMP(nan, nan, <=, !=, 5);
|
---|
| 2674 | }
|
---|
| 2675 |
|
---|
| 2676 | double get100 () { return 100.0; }
|
---|
| 2677 |
|
---|
| 2678 | void callsave_test(void)
|
---|
| 2679 | {
|
---|
| 2680 | #if defined __i386__ || defined __x86_64__
|
---|
| 2681 | int i, s; double *d; double t;
|
---|
| 2682 | s = sizeof (double);
|
---|
| 2683 | printf ("callsavetest: %d\n", s);
|
---|
| 2684 | d = alloca (sizeof(double));
|
---|
| 2685 | d[0] = 10.0;
|
---|
| 2686 | /* x86-64 had a bug were the next call to get100 would evict
|
---|
| 2687 | the lvalue &d[0] as VT_LLOCAL, and the reload would be done
|
---|
| 2688 | in int type, not pointer type. When alloca returns a pointer
|
---|
| 2689 | with the high 32 bit set (which is likely on x86-64) the access
|
---|
| 2690 | generates a segfault. */
|
---|
| 2691 | i = d[0] > get100 ();
|
---|
| 2692 | printf ("%d\n", i);
|
---|
| 2693 | #endif
|
---|
| 2694 | }
|
---|
| 2695 |
|
---|
| 2696 |
|
---|
| 2697 | void bfa3(ptrdiff_t str_offset)
|
---|
| 2698 | {
|
---|
| 2699 | printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
|
---|
| 2700 | }
|
---|
| 2701 | void bfa2(ptrdiff_t str_offset)
|
---|
| 2702 | {
|
---|
| 2703 | printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
|
---|
| 2704 | bfa3(str_offset);
|
---|
| 2705 | }
|
---|
| 2706 | void bfa1(ptrdiff_t str_offset)
|
---|
| 2707 | {
|
---|
| 2708 | printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
|
---|
| 2709 | #if defined(__arm__) && !defined(__GNUC__)
|
---|
| 2710 | bfa2(str_offset);
|
---|
| 2711 | #endif
|
---|
| 2712 | }
|
---|
| 2713 |
|
---|
| 2714 | void builtin_frame_address_test(void)
|
---|
| 2715 | {
|
---|
| 2716 | char str[] = "__builtin_frame_address";
|
---|
| 2717 | char *fp0 = __builtin_frame_address(0);
|
---|
| 2718 |
|
---|
| 2719 | printf("str: %s\n", str);
|
---|
| 2720 | bfa1(str-fp0);
|
---|
| 2721 | }
|
---|