forked from Mirrors/tinycc
3872 lines
92 KiB
C
3872 lines
92 KiB
C
/*
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* TCC auto test program
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*/
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#include "config.h"
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#if GCC_MAJOR >= 3
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/* Unfortunately, gcc version < 3 does not handle that! */
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#define ALL_ISOC99
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/* only gcc 3 handles _Bool correctly */
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#define BOOL_ISOC99
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/* gcc 2.95.3 does not handle correctly CR in strings or after strays */
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#define CORRECT_CR_HANDLING
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#endif
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#if defined(_WIN32)
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#define LONG_LONG_FORMAT "%lld"
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#define ULONG_LONG_FORMAT "%llu"
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#else
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#define LONG_LONG_FORMAT "%Ld"
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#define ULONG_LONG_FORMAT "%Lu"
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#endif
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// MinGW has 80-bit rather than 64-bit long double which isn't compatible with TCC or MSVC
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#if defined(_WIN32) && defined(__GNUC__)
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#define LONG_DOUBLE double
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#define LONG_DOUBLE_LITERAL(x) x
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#else
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#define LONG_DOUBLE long double
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#define LONG_DOUBLE_LITERAL(x) x ## L
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#endif
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/* deprecated and no longer supported in gcc 3.3 */
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//#define ACCEPT_CR_IN_STRINGS
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/* __VA_ARGS__ and __func__ support */
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#define C99_MACROS
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/* test various include syntaxes */
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#define TCCLIB_INC <tcclib.h>
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#define TCCLIB_INC1 <tcclib
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#define TCCLIB_INC2 h>
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#define TCCLIB_INC3 "tcclib.h"
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#include TCCLIB_INC
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#include TCCLIB_INC1.TCCLIB_INC2
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#include TCCLIB_INC1.h>
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#include TCCLIB_INC3
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#include <tcclib.h>
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#include "tcclib.h"
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#include "tcctest.h"
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/* Test two more ways to include a file named like a pp-number */
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#define INC(name) <tests/name.h>
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#define funnyname 42test.h
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#define incdir tests/
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#define incname < incdir funnyname >
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#define __stringify(x) #x
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#define stringify(x) __stringify(x)
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#include INC(42test)
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#include incname
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#include stringify(funnyname)
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void intdiv_test();
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void string_test();
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void expr_test();
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void macro_test();
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void recursive_macro_test();
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void scope_test();
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void forward_test();
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void funcptr_test();
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void loop_test();
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void switch_test();
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void goto_test();
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void enum_test();
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void typedef_test();
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void struct_test();
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void array_test();
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void expr_ptr_test();
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void bool_test();
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void optimize_out();
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void expr2_test();
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void constant_expr_test();
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void expr_cmp_test();
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void char_short_test();
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void init_test(void);
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void compound_literal_test(void);
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int kr_test();
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void struct_assign_test(void);
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void cast_test(void);
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void bitfield_test(void);
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void c99_bool_test(void);
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void float_test(void);
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void longlong_test(void);
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void manyarg_test(void);
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void stdarg_test(void);
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void whitespace_test(void);
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void relocation_test(void);
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void old_style_function(void);
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void alloca_test(void);
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void c99_vla_test(int size1, int size2);
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void sizeof_test(void);
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void typeof_test(void);
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void local_label_test(void);
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void statement_expr_test(void);
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void asm_test(void);
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void builtin_test(void);
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void weak_test(void);
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void global_data_test(void);
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void cmp_comparison_test(void);
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void math_cmp_test(void);
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void callsave_test(void);
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void builtin_frame_address_test(void);
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void attrib_test(void);
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int fib(int n);
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void num(int n);
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void forward_ref(void);
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int isid(int c);
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/* Line joining happens before tokenization, so the following
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must be parsed as ellipsis. */
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void funny_line_continuation (int, ..\
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. );
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char via_volatile (char);
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#define A 2
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#define N 1234 + A
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#define pf printf
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#define M1(a, b) (a) + (b)
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#define str\
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(s) # s
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#define glue(a, b) a ## b
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#define xglue(a, b) glue(a, b)
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#define HIGHLOW "hello"
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#define LOW LOW ", world"
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static int onetwothree = 123;
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#define onetwothree4 onetwothree
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#define onetwothree xglue(onetwothree,4)
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#ifdef C99_MACROS
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#define dprintf(level,...) printf(__VA_ARGS__)
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#endif
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/* gcc vararg macros */
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#define dprintf1(level, fmt, args...) printf(fmt, ## args)
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#define MACRO_NOARGS()
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#define AAA 3
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#undef AAA
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#define AAA 4
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#if 1
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#define B3 1
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#elif 1
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#define B3 2
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#elif 0
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#define B3 3
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#else
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#define B3 4
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#endif
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#ifdef __TINYC__
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/* We try to handle this syntax. Make at least sure it doesn't segfault. */
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char invalid_function_def()[] {}
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#endif
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#define __INT64_C(c) c ## LL
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#define INT64_MIN (-__INT64_C(9223372036854775807)-1)
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int qq(int x)
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{
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return x + 40;
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}
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#define qq(x) x
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#define spin_lock(lock) do { } while (0)
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#define wq_spin_lock spin_lock
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#define TEST2() wq_spin_lock(a)
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#define UINT_MAX ((unsigned) -1)
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void intdiv_test(void)
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{
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printf("18/21=%u\n", 18/21);
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printf("18%%21=%u\n", 18%21);
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printf("41/21=%u\n", 41/21);
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printf("41%%21=%u\n", 41%21);
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printf("42/21=%u\n", 42/21);
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printf("42%%21=%u\n", 42%21);
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printf("43/21=%u\n", 43/21);
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printf("43%%21=%u\n", 43%21);
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printf("126/21=%u\n", 126/21);
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printf("126%%21=%u\n", 126%21);
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printf("131/21=%u\n", 131/21);
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printf("131%%21=%u\n", 131%21);
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printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
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printf("(UINT_MAX/2+3)%%2=%u\n", (UINT_MAX/2+3)%2);
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printf("18/-21=%u\n", 18/-21);
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printf("18%%-21=%u\n", 18%-21);
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printf("41/-21=%u\n", 41/-21);
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printf("41%%-21=%u\n", 41%-21);
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printf("42/-21=%u\n", 42/-21);
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printf("42%%-21=%u\n", 42%-21);
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printf("43/-21=%u\n", 43/-21);
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printf("43%%-21=%u\n", 43%-21);
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printf("126/-21=%u\n", 126/-21);
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printf("126%%-21=%u\n", 126%-21);
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printf("131/-21=%u\n", 131/-21);
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printf("131%%-21=%u\n", 131%-21);
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printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
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printf("(UINT_MAX/2+3)%%-2=%u\n", (UINT_MAX/2+3)%-2);
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printf("-18/21=%u\n", -18/21);
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printf("-18%%21=%u\n", -18%21);
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printf("-41/21=%u\n", -41/21);
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printf("-41%%21=%u\n", -41%21);
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printf("-42/21=%u\n", -42/21);
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printf("-42%%21=%u\n", -42%21);
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printf("-43/21=%u\n", -43/21);
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printf("-43%%21=%u\n", -43%21);
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printf("-126/21=%u\n", -126/21);
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printf("-126%%21=%u\n", -126%21);
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printf("-131/21=%u\n", -131/21);
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printf("-131%%21=%u\n", -131%21);
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printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
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printf("-(UINT_MAX/2+3)%%2=%u\n", (0-(UINT_MAX/2+3))%2);
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printf("-18/-21=%u\n", -18/-21);
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printf("-18%%-21=%u\n", -18%-21);
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printf("-41/-21=%u\n", -41/-21);
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printf("-41%%-21=%u\n", -41%-21);
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printf("-42/-21=%u\n", -42/-21);
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printf("-42%%-21=%u\n", -42%-21);
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printf("-43/-21=%u\n", -43/-21);
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printf("-43%%-21=%u\n", -43%-21);
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printf("-126/-21=%u\n", -126/-21);
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printf("-126%%-21=%u\n", -126%-21);
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printf("-131/-21=%u\n", -131/-21);
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printf("-131%%-21=%u\n", -131%-21);
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printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
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printf("-(UINT_MAX/2+3)%%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
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}
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void macro_test(void)
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{
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printf("macro:\n");
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pf("N=%d\n", N);
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printf("aaa=%d\n", AAA);
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printf("min=%d\n", min(1, min(2, -1)));
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printf("s1=%s\n", glue(HIGH, LOW));
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printf("s2=%s\n", xglue(HIGH, LOW));
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printf("s3=%s\n", str("c"));
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printf("s4=%s\n", str(a1));
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printf("B3=%d\n", B3);
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printf("onetwothree=%d\n", onetwothree);
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#ifdef A
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printf("A defined\n");
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#endif
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#ifdef B
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printf("B defined\n");
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#endif
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#ifdef A
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printf("A defined\n");
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#else
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printf("A not defined\n");
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#endif
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#ifdef B
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printf("B defined\n");
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#else
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printf("B not defined\n");
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#endif
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#ifdef A
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printf("A defined\n");
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#ifdef B
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printf("B1 defined\n");
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#else
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printf("B1 not defined\n");
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#endif
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#else
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printf("A not defined\n");
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#ifdef B
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printf("B2 defined\n");
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#else
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printf("B2 not defined\n");
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#endif
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#endif
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#if 1+1
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printf("test true1\n");
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#endif
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#if 0
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printf("test true2\n");
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#endif
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#if 1-1
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printf("test true3\n");
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#endif
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#if defined(A)
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printf("test trueA\n");
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#endif
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#if defined(B)
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printf("test trueB\n");
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#endif
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#if 0
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printf("test 0\n");
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#elif 0
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printf("test 1\n");
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#elif 2
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printf("test 2\n");
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#else
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printf("test 3\n");
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#endif
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MACRO_NOARGS();
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#ifdef __LINE__
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printf("__LINE__ defined\n");
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#endif
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printf("__LINE__=%d __FILE__=%s\n",
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__LINE__, __FILE__);
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#if 0
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#line 200
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printf("__LINE__=%d __FILE__=%s\n",
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__LINE__, __FILE__);
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#line 203 "test"
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printf("__LINE__=%d __FILE__=%s\n",
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__LINE__, __FILE__);
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#line 227 "tcctest.c"
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#endif
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/* not strictly preprocessor, but we test it there */
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#ifdef C99_MACROS
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printf("__func__ = %s\n", __func__);
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dprintf(1, "vaarg=%d\n", 1);
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#endif
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dprintf1(1, "vaarg1\n");
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dprintf1(1, "vaarg1=%d\n", 2);
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dprintf1(1, "vaarg1=%d %d\n", 1, 2);
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/* gcc extension */
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printf("func='%s'\n", __FUNCTION__);
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/* complicated macros in glibc */
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printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
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{
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int a;
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a = 1;
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glue(a+, +);
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printf("a=%d\n", a);
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glue(a <, <= 2);
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printf("a=%d\n", a);
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}
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/* macro function with argument outside the macro string */
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#define MF_s MF_hello
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#define MF_hello(msg) printf("%s\n",msg)
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#define MF_t printf("tralala\n"); MF_hello
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MF_s("hi");
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MF_t("hi");
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/* test macro substitution inside args (should not eat stream) */
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printf("qq=%d\n", qq(qq)(2));
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/* test zero argument case. NOTE: gcc 2.95.x does not accept a
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null argument without a space. gcc 3.2 fixes that. */
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#define qq1(x) 1
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printf("qq1=%d\n", qq1( ));
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/* comment with stray handling *\
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/
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/* this is a valid *\/ comment */
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/* this is a valid comment *\*/
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// this is a valid\
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comment
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/* test function macro substitution when the function name is
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substituted */
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TEST2();
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/* And again when the name and parentheses are separated by a
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comment. */
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TEST2 /* the comment */ ();
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printf("%s\n", get_basefile_from_header());
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printf("%s\n", __BASE_FILE__);
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printf("%s\n", get_file_from_header());
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printf("%s\n", __FILE__);
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/* Check that funnily named include was in fact included */
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have_included_42test_h = 1;
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have_included_42test_h_second = 1;
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have_included_42test_h_third = 1;
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}
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static void print_num(char *fn, int line, int num) {
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printf("fn %s, line %d, num %d\n", fn, line, num);
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}
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void recursive_macro_test(void)
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{
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#define ELF32_ST_TYPE(val) ((val) & 0xf)
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#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
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#define STB_WEAK 2 /* Weak symbol */
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#define ELFW(type) ELF##32##_##type
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printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
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#define WRAP(x) x
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#define print_num(x) print_num(__FILE__,__LINE__,x)
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print_num(123);
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WRAP(print_num(123));
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WRAP(WRAP(print_num(123)));
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static struct recursive_macro { int rm_field; } G;
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#define rm_field (G.rm_field)
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printf("rm_field = %d\n", rm_field);
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printf("rm_field = %d\n", WRAP(rm_field));
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WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
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}
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|
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int op(a,b)
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{
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return a / b;
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}
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|
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int ret(a)
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{
|
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if (a == 2)
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return 1;
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if (a == 3)
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return 2;
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return 0;
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}
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||
|
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void ps(const char *s)
|
||
{
|
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int c;
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while (1) {
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c = *s;
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||
if (c == 0)
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break;
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printf("%c", c);
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s++;
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}
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}
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|
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const char foo1_string[] = "\
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bar\n\
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test\14\
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1";
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void string_test()
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||
{
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||
unsigned int b;
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printf("string:\n");
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printf("\141\1423\143\n");/* dezdez test */
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printf("\x41\x42\x43\x3a\n");
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printf("c=%c\n", 'r');
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printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
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printf("foo1_string='%s'\n", foo1_string);
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#if 0
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printf("wstring=%S\n", L"abc");
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printf("wstring=%S\n", L"abc" L"def" "ghi");
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printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
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printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
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#endif
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ps("test\n");
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b = 32;
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while ((b = b + 1) < 96) {
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printf("%c", b);
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||
}
|
||
printf("\n");
|
||
printf("fib=%d\n", fib(33));
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||
b = 262144;
|
||
while (b != 0x80000000) {
|
||
num(b);
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b = b * 2;
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}
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||
}
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||
|
||
void loop_test()
|
||
{
|
||
int i;
|
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i = 0;
|
||
while (i < 10)
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||
printf("%d", i++);
|
||
printf("\n");
|
||
for(i = 0; i < 10;i++)
|
||
printf("%d", i);
|
||
printf("\n");
|
||
i = 0;
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||
do {
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||
printf("%d", i++);
|
||
} while (i < 10);
|
||
printf("\n");
|
||
|
||
char count = 123;
|
||
/* c99 for loop init test */
|
||
for (size_t count = 1; count < 3; count++)
|
||
printf("count=%d\n", count);
|
||
printf("count = %d\n", count);
|
||
|
||
/* break/continue tests */
|
||
i = 0;
|
||
while (1) {
|
||
if (i == 6)
|
||
break;
|
||
i++;
|
||
if (i == 3)
|
||
continue;
|
||
printf("%d", i);
|
||
}
|
||
printf("\n");
|
||
|
||
/* break/continue tests */
|
||
i = 0;
|
||
do {
|
||
if (i == 6)
|
||
break;
|
||
i++;
|
||
if (i == 3)
|
||
continue;
|
||
printf("%d", i);
|
||
} while(1);
|
||
printf("\n");
|
||
|
||
for(i = 0;i < 10;i++) {
|
||
if (i == 3)
|
||
continue;
|
||
printf("%d", i);
|
||
}
|
||
printf("\n");
|
||
}
|
||
|
||
typedef int typedef_and_label;
|
||
|
||
void goto_test()
|
||
{
|
||
int i;
|
||
static void *label_table[3] = { &&label1, &&label2, &&label3 };
|
||
|
||
printf("goto:\n");
|
||
i = 0;
|
||
/* This needs to parse as label, not as start of decl. */
|
||
typedef_and_label:
|
||
s_loop:
|
||
if (i >= 10)
|
||
goto s_end;
|
||
printf("%d", i);
|
||
i++;
|
||
goto s_loop;
|
||
s_end:
|
||
printf("\n");
|
||
|
||
/* we also test computed gotos (GCC extension) */
|
||
for(i=0;i<3;i++) {
|
||
goto *label_table[i];
|
||
label1:
|
||
printf("label1\n");
|
||
goto next;
|
||
label2:
|
||
printf("label2\n");
|
||
goto next;
|
||
label3:
|
||
printf("label3\n");
|
||
next: ;
|
||
}
|
||
}
|
||
|
||
enum {
|
||
E0,
|
||
E1 = 2,
|
||
E2 = 4,
|
||
E3,
|
||
E4,
|
||
};
|
||
|
||
enum test {
|
||
E5 = 1000,
|
||
};
|
||
|
||
struct S_enum {
|
||
enum {E6 = 42, E7, E8} e:8;
|
||
};
|
||
|
||
enum ELong {
|
||
/* This is either 0 on L32 machines, or a large number
|
||
on L64 machines. We should be able to store this. */
|
||
EL_large = ((unsigned long)0xf000 << 31) << 1,
|
||
};
|
||
|
||
enum { BIASU = -1U<<31 };
|
||
enum { BIASS = -1 << 31 };
|
||
|
||
static int getint(int i)
|
||
{
|
||
if (i)
|
||
return 0;
|
||
else
|
||
return (int)(-1U << 31);
|
||
}
|
||
|
||
void enum_test()
|
||
{
|
||
enum test b1;
|
||
/* The following should give no warning */
|
||
unsigned *p = &b1;
|
||
struct S_enum s = {E7};
|
||
printf("enum: %d\n", s.e);
|
||
printf("enum:\n%d %d %d %d %d %d\n",
|
||
E0, E1, E2, E3, E4, E5);
|
||
b1 = 1;
|
||
printf("b1=%d\n", b1);
|
||
printf("enum large: %ld\n", EL_large);
|
||
|
||
if (getint(0) == BIASU)
|
||
printf("enum unsigned: ok\n");
|
||
else
|
||
printf("enum unsigned: wrong\n");
|
||
if (getint(0) == BIASS)
|
||
printf("enum unsigned: ok\n");
|
||
else
|
||
printf("enum unsigned: wrong\n");
|
||
}
|
||
|
||
typedef int *my_ptr;
|
||
|
||
typedef int mytype1;
|
||
typedef int mytype2;
|
||
|
||
void typedef_test()
|
||
{
|
||
my_ptr a;
|
||
mytype1 mytype2;
|
||
int b;
|
||
|
||
a = &b;
|
||
*a = 1234;
|
||
printf("typedef:\n");
|
||
printf("a=%d\n", *a);
|
||
mytype2 = 2;
|
||
printf("mytype2=%d\n", mytype2);
|
||
}
|
||
|
||
void forward_test()
|
||
{
|
||
printf("forward:\n");
|
||
forward_ref();
|
||
forward_ref();
|
||
}
|
||
|
||
|
||
void forward_ref(void)
|
||
{
|
||
printf("forward ok\n");
|
||
}
|
||
|
||
typedef struct struct1 {
|
||
int f1;
|
||
int f2, f3;
|
||
union union1 {
|
||
int v1;
|
||
int v2;
|
||
} u;
|
||
char str[3];
|
||
} struct1;
|
||
|
||
struct struct2 {
|
||
int a;
|
||
char b;
|
||
};
|
||
|
||
union union2 {
|
||
int w1;
|
||
int w2;
|
||
};
|
||
|
||
struct struct1 st1, st2;
|
||
|
||
struct empty_mem {
|
||
/* nothing */ ;
|
||
int x;
|
||
};
|
||
|
||
int main(int argc, char **argv)
|
||
{
|
||
string_test();
|
||
expr_test();
|
||
macro_test();
|
||
recursive_macro_test();
|
||
scope_test();
|
||
forward_test();
|
||
funcptr_test();
|
||
loop_test();
|
||
switch_test();
|
||
goto_test();
|
||
enum_test();
|
||
typedef_test();
|
||
struct_test();
|
||
array_test();
|
||
expr_ptr_test();
|
||
bool_test();
|
||
optimize_out();
|
||
expr2_test();
|
||
constant_expr_test();
|
||
expr_cmp_test();
|
||
char_short_test();
|
||
init_test();
|
||
compound_literal_test();
|
||
kr_test();
|
||
struct_assign_test();
|
||
cast_test();
|
||
bitfield_test();
|
||
c99_bool_test();
|
||
float_test();
|
||
longlong_test();
|
||
manyarg_test();
|
||
stdarg_test();
|
||
whitespace_test();
|
||
relocation_test();
|
||
old_style_function();
|
||
alloca_test();
|
||
c99_vla_test(5, 2);
|
||
sizeof_test();
|
||
typeof_test();
|
||
statement_expr_test();
|
||
local_label_test();
|
||
asm_test();
|
||
builtin_test();
|
||
#ifndef _WIN32
|
||
weak_test();
|
||
#endif
|
||
global_data_test();
|
||
cmp_comparison_test();
|
||
math_cmp_test();
|
||
callsave_test();
|
||
builtin_frame_address_test();
|
||
intdiv_test();
|
||
if (via_volatile (42) != 42)
|
||
printf ("via_volatile broken\n");
|
||
attrib_test();
|
||
return 0;
|
||
}
|
||
|
||
int tab[3];
|
||
int tab2[3][2];
|
||
|
||
int g;
|
||
|
||
void f1(g)
|
||
{
|
||
printf("g1=%d\n", g);
|
||
}
|
||
|
||
void scope_test()
|
||
{
|
||
printf("scope:\n");
|
||
g = 2;
|
||
f1(1);
|
||
printf("g2=%d\n", g);
|
||
{
|
||
int g;
|
||
g = 3;
|
||
printf("g3=%d\n", g);
|
||
{
|
||
int g;
|
||
g = 4;
|
||
printf("g4=%d\n", g);
|
||
}
|
||
}
|
||
printf("g5=%d\n", g);
|
||
}
|
||
|
||
void array_test()
|
||
{
|
||
int i, j, a[4];
|
||
|
||
printf("array:\n");
|
||
printf("sizeof(a) = %d\n", sizeof(a));
|
||
printf("sizeof(\"a\") = %d\n", sizeof("a"));
|
||
#ifdef C99_MACROS
|
||
printf("sizeof(__func__) = %d\n", sizeof(__func__));
|
||
#endif
|
||
printf("sizeof tab %d\n", sizeof(tab));
|
||
printf("sizeof tab2 %d\n", sizeof tab2);
|
||
tab[0] = 1;
|
||
tab[1] = 2;
|
||
tab[2] = 3;
|
||
printf("%d %d %d\n", tab[0], tab[1], tab[2]);
|
||
for(i=0;i<3;i++)
|
||
for(j=0;j<2;j++)
|
||
tab2[i][j] = 10 * i + j;
|
||
for(i=0;i<3*2;i++) {
|
||
printf(" %3d", ((int *)tab2)[i]);
|
||
}
|
||
printf("\n");
|
||
printf("sizeof(size_t)=%d\n", sizeof(size_t));
|
||
printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
|
||
}
|
||
|
||
void expr_test()
|
||
{
|
||
int a, b;
|
||
a = 0;
|
||
printf("%d\n", a += 1);
|
||
printf("%d\n", a -= 2);
|
||
printf("%d\n", a *= 31232132);
|
||
printf("%d\n", a /= 4);
|
||
printf("%d\n", a %= 20);
|
||
printf("%d\n", a &= 6);
|
||
printf("%d\n", a ^= 7);
|
||
printf("%d\n", a |= 8);
|
||
printf("%d\n", a >>= 3);
|
||
printf("%d\n", a <<= 4);
|
||
|
||
a = 22321;
|
||
b = -22321;
|
||
printf("%d\n", a + 1);
|
||
printf("%d\n", a - 2);
|
||
printf("%d\n", a * 312);
|
||
printf("%d\n", a / 4);
|
||
printf("%d\n", b / 4);
|
||
printf("%d\n", (unsigned)b / 4);
|
||
printf("%d\n", a % 20);
|
||
printf("%d\n", b % 20);
|
||
printf("%d\n", (unsigned)b % 20);
|
||
printf("%d\n", a & 6);
|
||
printf("%d\n", a ^ 7);
|
||
printf("%d\n", a | 8);
|
||
printf("%d\n", a >> 3);
|
||
printf("%d\n", b >> 3);
|
||
printf("%d\n", (unsigned)b >> 3);
|
||
printf("%d\n", a << 4);
|
||
printf("%d\n", ~a);
|
||
printf("%d\n", -a);
|
||
printf("%d\n", +a);
|
||
|
||
printf("%d\n", 12 + 1);
|
||
printf("%d\n", 12 - 2);
|
||
printf("%d\n", 12 * 312);
|
||
printf("%d\n", 12 / 4);
|
||
printf("%d\n", 12 % 20);
|
||
printf("%d\n", 12 & 6);
|
||
printf("%d\n", 12 ^ 7);
|
||
printf("%d\n", 12 | 8);
|
||
printf("%d\n", 12 >> 2);
|
||
printf("%d\n", 12 << 4);
|
||
printf("%d\n", ~12);
|
||
printf("%d\n", -12);
|
||
printf("%d\n", +12);
|
||
printf("%d %d %d %d\n",
|
||
isid('a'),
|
||
isid('g'),
|
||
isid('T'),
|
||
isid('('));
|
||
}
|
||
|
||
int isid(int c)
|
||
{
|
||
return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
|
||
}
|
||
|
||
/**********************/
|
||
|
||
int vstack[10], *vstack_ptr;
|
||
|
||
void vpush(int vt, int vc)
|
||
{
|
||
*vstack_ptr++ = vt;
|
||
*vstack_ptr++ = vc;
|
||
}
|
||
|
||
void vpop(int *ft, int *fc)
|
||
{
|
||
*fc = *--vstack_ptr;
|
||
*ft = *--vstack_ptr;
|
||
}
|
||
|
||
void expr2_test()
|
||
{
|
||
int a, b;
|
||
|
||
printf("expr2:\n");
|
||
vstack_ptr = vstack;
|
||
vpush(1432432, 2);
|
||
vstack_ptr[-2] &= ~0xffffff80;
|
||
vpop(&a, &b);
|
||
printf("res= %d %d\n", a, b);
|
||
}
|
||
|
||
void constant_expr_test()
|
||
{
|
||
int a;
|
||
printf("constant_expr:\n");
|
||
a = 3;
|
||
printf("%d\n", a * 16);
|
||
printf("%d\n", a * 1);
|
||
printf("%d\n", a + 0);
|
||
}
|
||
|
||
int tab4[10];
|
||
|
||
void expr_ptr_test()
|
||
{
|
||
int *p, *q;
|
||
int i = -1;
|
||
|
||
printf("expr_ptr:\n");
|
||
p = tab4;
|
||
q = tab4 + 10;
|
||
printf("diff=%d\n", q - p);
|
||
p++;
|
||
printf("inc=%d\n", p - tab4);
|
||
p--;
|
||
printf("dec=%d\n", p - tab4);
|
||
++p;
|
||
printf("inc=%d\n", p - tab4);
|
||
--p;
|
||
printf("dec=%d\n", p - tab4);
|
||
printf("add=%d\n", p + 3 - tab4);
|
||
printf("add=%d\n", 3 + p - tab4);
|
||
|
||
/* check if 64bit support is ok */
|
||
q = p = 0;
|
||
q += i;
|
||
printf("%p %p %ld\n", q, p, p-q);
|
||
printf("%d %d %d %d %d %d\n",
|
||
p == q, p != q, p < q, p <= q, p >= q, p > q);
|
||
i = 0xf0000000;
|
||
p += i;
|
||
printf("%p %p %ld\n", q, p, p-q);
|
||
printf("%d %d %d %d %d %d\n",
|
||
p == q, p != q, p < q, p <= q, p >= q, p > q);
|
||
p = (int *)((char *)p + 0xf0000000);
|
||
printf("%p %p %ld\n", q, p, p-q);
|
||
printf("%d %d %d %d %d %d\n",
|
||
p == q, p != q, p < q, p <= q, p >= q, p > q);
|
||
p += 0xf0000000;
|
||
printf("%p %p %ld\n", q, p, p-q);
|
||
printf("%d %d %d %d %d %d\n",
|
||
p == q, p != q, p < q, p <= q, p >= q, p > q);
|
||
{
|
||
struct size12 {
|
||
int i, j, k;
|
||
};
|
||
struct size12 s[2], *sp = s;
|
||
int i, j;
|
||
sp->i = 42;
|
||
sp++;
|
||
j = -1;
|
||
printf("%d\n", sp[j].i);
|
||
}
|
||
#ifdef __LP64__
|
||
i = 1;
|
||
p = (int*)0x100000000UL + i;
|
||
i = ((long)p) >> 32;
|
||
printf("largeptr: %p %d\n", p, i);
|
||
#endif
|
||
}
|
||
|
||
void expr_cmp_test()
|
||
{
|
||
int a, b;
|
||
printf("constant_expr:\n");
|
||
a = -1;
|
||
b = 1;
|
||
printf("%d\n", a == a);
|
||
printf("%d\n", a != a);
|
||
|
||
printf("%d\n", a < b);
|
||
printf("%d\n", a <= b);
|
||
printf("%d\n", a <= a);
|
||
printf("%d\n", b >= a);
|
||
printf("%d\n", a >= a);
|
||
printf("%d\n", b > a);
|
||
|
||
printf("%d\n", (unsigned)a < b);
|
||
printf("%d\n", (unsigned)a <= b);
|
||
printf("%d\n", (unsigned)a <= a);
|
||
printf("%d\n", (unsigned)b >= a);
|
||
printf("%d\n", (unsigned)a >= a);
|
||
printf("%d\n", (unsigned)b > a);
|
||
}
|
||
|
||
struct empty {
|
||
};
|
||
|
||
struct aligntest1 {
|
||
char a[10];
|
||
};
|
||
|
||
struct aligntest2 {
|
||
int a;
|
||
char b[10];
|
||
};
|
||
|
||
struct aligntest3 {
|
||
double a, b;
|
||
};
|
||
|
||
struct aligntest4 {
|
||
double a[0];
|
||
};
|
||
|
||
struct __attribute__((aligned(16))) aligntest5
|
||
{
|
||
int i;
|
||
};
|
||
struct aligntest6
|
||
{
|
||
int i;
|
||
} __attribute__((aligned(16)));
|
||
struct aligntest7
|
||
{
|
||
int i;
|
||
};
|
||
struct aligntest5 altest5[2];
|
||
struct aligntest6 altest6[2];
|
||
int pad1;
|
||
/* altest7 is correctly aligned to 16 bytes also with TCC,
|
||
but __alignof__ returns the wrong result (4) because we
|
||
can't store the alignment yet when specified on symbols
|
||
directly (it's stored in the type so we'd need to make
|
||
a copy of it). -- FIXED */
|
||
struct aligntest7 altest7[2] __attribute__((aligned(16)));
|
||
|
||
struct aligntest8
|
||
{
|
||
int i;
|
||
} __attribute__((aligned(4096)));
|
||
|
||
struct Large {
|
||
unsigned long flags;
|
||
union {
|
||
void *u1;
|
||
int *u2;
|
||
};
|
||
|
||
struct {
|
||
union {
|
||
unsigned long index;
|
||
void *freelist;
|
||
};
|
||
union {
|
||
unsigned long counters;
|
||
struct {
|
||
int bla;
|
||
};
|
||
};
|
||
};
|
||
|
||
union {
|
||
struct {
|
||
long u3;
|
||
long u4;
|
||
};
|
||
void *u5;
|
||
struct {
|
||
unsigned long compound_head;
|
||
unsigned int compound_dtor;
|
||
unsigned int compound_order;
|
||
};
|
||
};
|
||
} __attribute__((aligned(2 * sizeof(long))));
|
||
|
||
typedef unsigned long long __attribute__((aligned(4))) unaligned_u64;
|
||
|
||
struct aligntest9 {
|
||
unsigned int buf_nr;
|
||
unaligned_u64 start_lba;
|
||
};
|
||
|
||
struct aligntest10 {
|
||
unsigned int buf_nr;
|
||
unsigned long long start_lba;
|
||
};
|
||
|
||
void struct_test()
|
||
{
|
||
struct1 *s;
|
||
union union2 u;
|
||
struct Large ls;
|
||
|
||
printf("struct:\n");
|
||
printf("sizes: %d %d %d %d\n",
|
||
sizeof(struct struct1),
|
||
sizeof(struct struct2),
|
||
sizeof(union union1),
|
||
sizeof(union union2));
|
||
printf("offsets: %d\n", (int)((char*)&st1.u.v1 - (char*)&st1));
|
||
st1.f1 = 1;
|
||
st1.f2 = 2;
|
||
st1.f3 = 3;
|
||
printf("st1: %d %d %d\n",
|
||
st1.f1, st1.f2, st1.f3);
|
||
st1.u.v1 = 1;
|
||
st1.u.v2 = 2;
|
||
printf("union1: %d\n", st1.u.v1);
|
||
u.w1 = 1;
|
||
u.w2 = 2;
|
||
printf("union2: %d\n", u.w1);
|
||
s = &st2;
|
||
s->f1 = 3;
|
||
s->f2 = 2;
|
||
s->f3 = 1;
|
||
printf("st2: %d %d %d\n",
|
||
s->f1, s->f2, s->f3);
|
||
printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
|
||
|
||
/* align / size tests */
|
||
printf("aligntest1 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest1), __alignof__(struct aligntest1));
|
||
printf("aligntest2 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest2), __alignof__(struct aligntest2));
|
||
printf("aligntest3 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest3), __alignof__(struct aligntest3));
|
||
printf("aligntest4 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest4), __alignof__(struct aligntest4));
|
||
printf("aligntest5 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest5), __alignof__(struct aligntest5));
|
||
printf("aligntest6 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest6), __alignof__(struct aligntest6));
|
||
printf("aligntest7 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest7), __alignof__(struct aligntest7));
|
||
printf("aligntest8 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest8), __alignof__(struct aligntest8));
|
||
printf("aligntest9 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest9), __alignof__(struct aligntest9));
|
||
printf("aligntest10 sizeof=%d alignof=%d\n",
|
||
sizeof(struct aligntest10), __alignof__(struct aligntest10));
|
||
printf("altest5 sizeof=%d alignof=%d\n",
|
||
sizeof(altest5), __alignof__(altest5));
|
||
printf("altest6 sizeof=%d alignof=%d\n",
|
||
sizeof(altest6), __alignof__(altest6));
|
||
printf("altest7 sizeof=%d alignof=%d\n",
|
||
sizeof(altest7), __alignof__(altest7));
|
||
|
||
/* empty structures (GCC extension) */
|
||
printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
|
||
printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
|
||
|
||
printf("Large: sizeof=%d\n", sizeof(ls));
|
||
memset(&ls, 0, sizeof(ls));
|
||
ls.compound_head = 42;
|
||
printf("Large: offsetof(compound_head)=%d\n", (int)((char*)&ls.compound_head - (char*)&ls));
|
||
}
|
||
|
||
/* XXX: depend on endianness */
|
||
void char_short_test()
|
||
{
|
||
int var1, var2;
|
||
|
||
printf("char_short:\n");
|
||
|
||
var1 = 0x01020304;
|
||
var2 = 0xfffefdfc;
|
||
printf("s8=%d %d\n",
|
||
*(char *)&var1, *(char *)&var2);
|
||
printf("u8=%d %d\n",
|
||
*(unsigned char *)&var1, *(unsigned char *)&var2);
|
||
printf("s16=%d %d\n",
|
||
*(short *)&var1, *(short *)&var2);
|
||
printf("u16=%d %d\n",
|
||
*(unsigned short *)&var1, *(unsigned short *)&var2);
|
||
printf("s32=%d %d\n",
|
||
*(int *)&var1, *(int *)&var2);
|
||
printf("u32=%d %d\n",
|
||
*(unsigned int *)&var1, *(unsigned int *)&var2);
|
||
*(char *)&var1 = 0x08;
|
||
printf("var1=%x\n", var1);
|
||
*(short *)&var1 = 0x0809;
|
||
printf("var1=%x\n", var1);
|
||
*(int *)&var1 = 0x08090a0b;
|
||
printf("var1=%x\n", var1);
|
||
}
|
||
|
||
/******************/
|
||
|
||
typedef struct Sym {
|
||
int v;
|
||
int t;
|
||
int c;
|
||
struct Sym *next;
|
||
struct Sym *prev;
|
||
} Sym;
|
||
|
||
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
|
||
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
|
||
|
||
static int toupper1(int a)
|
||
{
|
||
return TOUPPER(a);
|
||
}
|
||
|
||
static unsigned int calc_vm_flags(unsigned int prot)
|
||
{
|
||
unsigned int prot_bits;
|
||
/* This used to segfault in some revisions: */
|
||
prot_bits = ((0x1==0x00000001)?(prot&0x1):(prot&0x1)?0x00000001:0);
|
||
return prot_bits;
|
||
}
|
||
|
||
void bool_test()
|
||
{
|
||
int *s, a, b, t, f, i;
|
||
|
||
a = 0;
|
||
s = (void*)0;
|
||
printf("!s=%d\n", !s);
|
||
|
||
if (!s || !s[0])
|
||
a = 1;
|
||
printf("a=%d\n", a);
|
||
|
||
printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
|
||
printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
|
||
printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
|
||
#if 1 && 1
|
||
printf("a1\n");
|
||
#endif
|
||
#if 1 || 0
|
||
printf("a2\n");
|
||
#endif
|
||
#if 1 ? 0 : 1
|
||
printf("a3\n");
|
||
#endif
|
||
#if 0 ? 0 : 1
|
||
printf("a4\n");
|
||
#endif
|
||
|
||
a = 4;
|
||
printf("b=%d\n", a + (0 ? 1 : a / 2));
|
||
|
||
/* test register spilling */
|
||
a = 10;
|
||
b = 10;
|
||
a = (a + b) * ((a < b) ?
|
||
((b - a) * (a - b)): a + b);
|
||
printf("a=%d\n", a);
|
||
|
||
/* test complex || or && expressions */
|
||
t = 1;
|
||
f = 0;
|
||
a = 32;
|
||
printf("exp=%d\n", f == (32 <= a && a <= 3));
|
||
printf("r=%d\n", (t || f) + (t && f));
|
||
|
||
/* test ? : cast */
|
||
{
|
||
int aspect_on;
|
||
int aspect_native = 65536;
|
||
double bfu_aspect = 1.0;
|
||
int aspect;
|
||
for(aspect_on = 0; aspect_on < 2; aspect_on++) {
|
||
aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
|
||
printf("aspect=%d\n", aspect);
|
||
}
|
||
}
|
||
|
||
/* test ? : GCC extension */
|
||
{
|
||
static int v1 = 34 ? : -1; /* constant case */
|
||
static int v2 = 0 ? : -1; /* constant case */
|
||
int a = 30;
|
||
|
||
printf("%d %d\n", v1, v2);
|
||
printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
|
||
}
|
||
|
||
/* again complex expression */
|
||
for(i=0;i<256;i++) {
|
||
if (toupper1 (i) != TOUPPER (i))
|
||
printf("error %d\n", i);
|
||
}
|
||
printf ("bits = 0x%x\n", calc_vm_flags (0x1));
|
||
}
|
||
|
||
extern int undefined_function(void);
|
||
extern int defined_function(void);
|
||
|
||
static inline void refer_to_undefined(void)
|
||
{
|
||
undefined_function();
|
||
}
|
||
|
||
void optimize_out(void)
|
||
{
|
||
int i = 0 ? undefined_function() : defined_function();
|
||
printf ("oo:%d\n", i);
|
||
int j = 1 ? defined_function() : undefined_function();
|
||
printf ("oo:%d\n", j);
|
||
if (0)
|
||
printf("oo:%d\n", undefined_function());
|
||
else
|
||
printf("oo:%d\n", defined_function());
|
||
if (1)
|
||
printf("oo:%d\n", defined_function());
|
||
else
|
||
printf("oo:%d\n", undefined_function());
|
||
while (1) {
|
||
printf("oow:%d\n", defined_function());
|
||
break;
|
||
printf("oow:%d\n", undefined_function());
|
||
}
|
||
j = 1;
|
||
/* Following is a switch without {} block intentionally. */
|
||
switch (j)
|
||
case 1: break;
|
||
printf ("oos:%d\n", defined_function());
|
||
/* The following break shouldn't lead to disabled code after
|
||
the while. */
|
||
while (1)
|
||
break;
|
||
printf ("ool1:%d\n", defined_function());
|
||
/* Same for the other types of loops. */
|
||
do
|
||
break;
|
||
while (1);
|
||
printf ("ool2:%d\n", defined_function());
|
||
for (;;)
|
||
break;
|
||
printf ("ool3:%d\n", defined_function());
|
||
/* Normal {} blocks without controlling statements
|
||
shouldn't reactivate code emission */
|
||
while (1) {
|
||
{
|
||
break;
|
||
}
|
||
printf ("ool4:%d\n", undefined_function());
|
||
}
|
||
j = 1;
|
||
while (j) {
|
||
if (j == 0)
|
||
break; /* this break shouldn't disable code outside the if. */
|
||
printf("ool5:%d\n", defined_function());
|
||
j--;
|
||
}
|
||
|
||
j = 1;
|
||
while (j) {
|
||
if (1)
|
||
j--;
|
||
else
|
||
breakhere: break;
|
||
printf("ool6:%d\n", defined_function());
|
||
goto breakhere;
|
||
}
|
||
|
||
/* Test that constants in logical && are optimized: */
|
||
i = 0 && undefined_function();
|
||
i = defined_function() && 0 && undefined_function();
|
||
if (0 && undefined_function())
|
||
undefined_function();
|
||
if (defined_function() && 0)
|
||
undefined_function();
|
||
if (0 && 0)
|
||
undefined_function();
|
||
if (defined_function() && 0 && undefined_function())
|
||
undefined_function();
|
||
/* The same for || : */
|
||
i = 1 || undefined_function();
|
||
i = defined_function() || 1 || undefined_function();
|
||
if (1 || undefined_function())
|
||
;
|
||
else
|
||
undefined_function();
|
||
if (defined_function() || 1)
|
||
;
|
||
else
|
||
undefined_function();
|
||
if (1 || 1)
|
||
;
|
||
else
|
||
undefined_function();
|
||
if (defined_function() || 1 || undefined_function())
|
||
;
|
||
else
|
||
undefined_function();
|
||
|
||
if (defined_function() && 0)
|
||
refer_to_undefined();
|
||
|
||
if (0) {
|
||
(void)sizeof( ({
|
||
do { } while (0);
|
||
0;
|
||
}) );
|
||
undefined_function();
|
||
}
|
||
|
||
/* Leave the "if(1)return; printf()" in this order and last in the function */
|
||
if (1)
|
||
return;
|
||
printf ("oor:%d\n", undefined_function());
|
||
}
|
||
|
||
int defined_function(void)
|
||
{
|
||
static int i = 40;
|
||
return i++;
|
||
}
|
||
|
||
/* GCC accepts that */
|
||
static int tab_reinit[];
|
||
static int tab_reinit[10];
|
||
|
||
//int cinit1; /* a global variable can be defined several times without error ! */
|
||
int cinit1;
|
||
int cinit1;
|
||
int cinit1 = 0;
|
||
int *cinit2 = (int []){3, 2, 1};
|
||
|
||
void compound_literal_test(void)
|
||
{
|
||
int *p, i;
|
||
char *q, *q3;
|
||
|
||
printf("compound_test:\n");
|
||
|
||
p = (int []){1, 2, 3};
|
||
for(i=0;i<3;i++)
|
||
printf(" %d", p[i]);
|
||
printf("\n");
|
||
|
||
for(i=0;i<3;i++)
|
||
printf("%d", cinit2[i]);
|
||
printf("\n");
|
||
|
||
q = "tralala1";
|
||
printf("q1=%s\n", q);
|
||
|
||
q = (char *){ "tralala2" };
|
||
printf("q2=%s\n", q);
|
||
|
||
q3 = (char *){ q };
|
||
printf("q3=%s\n", q3);
|
||
|
||
q = (char []){ "tralala3" };
|
||
printf("q4=%s\n", q);
|
||
|
||
#ifdef ALL_ISOC99
|
||
p = (int []){1, 2, cinit1 + 3};
|
||
for(i=0;i<3;i++)
|
||
printf(" %d", p[i]);
|
||
printf("\n");
|
||
|
||
for(i=0;i<3;i++) {
|
||
p = (int []){1, 2, 4 + i};
|
||
printf("%d %d %d\n",
|
||
p[0],
|
||
p[1],
|
||
p[2]);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/* K & R protos */
|
||
|
||
kr_func1(a, b)
|
||
{
|
||
return a + b;
|
||
}
|
||
|
||
int kr_func2(a, b)
|
||
{
|
||
return a + b;
|
||
}
|
||
|
||
kr_test()
|
||
{
|
||
printf("kr_test:\n");
|
||
printf("func1=%d\n", kr_func1(3, 4));
|
||
printf("func2=%d\n", kr_func2(3, 4));
|
||
return 0;
|
||
}
|
||
|
||
void num(int n)
|
||
{
|
||
char *tab, *p;
|
||
tab = (char*)malloc(20);
|
||
p = tab;
|
||
while (1) {
|
||
*p = 48 + (n % 10);
|
||
p++;
|
||
n = n / 10;
|
||
if (n == 0)
|
||
break;
|
||
}
|
||
while (p != tab) {
|
||
p--;
|
||
printf("%c", *p);
|
||
}
|
||
printf("\n");
|
||
free(tab);
|
||
}
|
||
|
||
/* structure assignment tests */
|
||
struct structa1 {
|
||
int f1;
|
||
char f2;
|
||
};
|
||
|
||
struct structa1 ssta1;
|
||
|
||
void struct_assign_test1(struct structa1 s1, int t, float f)
|
||
{
|
||
printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
|
||
}
|
||
|
||
struct structa1 struct_assign_test2(struct structa1 s1, int t)
|
||
{
|
||
s1.f1 += t;
|
||
s1.f2 -= t;
|
||
return s1;
|
||
}
|
||
|
||
void struct_assign_test(void)
|
||
{
|
||
struct S {
|
||
struct structa1 lsta1, lsta2;
|
||
int i;
|
||
} s, *ps;
|
||
|
||
ps = &s;
|
||
ps->i = 4;
|
||
#if 0
|
||
printf("struct_assign_test:\n");
|
||
|
||
s.lsta1.f1 = 1;
|
||
s.lsta1.f2 = 2;
|
||
printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
|
||
s.lsta2 = s.lsta1;
|
||
printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
|
||
#else
|
||
s.lsta2.f1 = 1;
|
||
s.lsta2.f2 = 2;
|
||
#endif
|
||
struct_assign_test1(ps->lsta2, 3, 4.5);
|
||
|
||
printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
|
||
ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
|
||
printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
|
||
|
||
static struct {
|
||
void (*elem)();
|
||
} t[] = {
|
||
/* XXX: we should allow this even without braces */
|
||
{ struct_assign_test }
|
||
};
|
||
printf("%d\n", struct_assign_test == t[0].elem);
|
||
}
|
||
|
||
/* casts to short/char */
|
||
|
||
void cast1(char a, short b, unsigned char c, unsigned short d)
|
||
{
|
||
printf("%d %d %d %d\n", a, b, c, d);
|
||
}
|
||
|
||
char bcast;
|
||
short scast;
|
||
|
||
void cast_test()
|
||
{
|
||
int a;
|
||
char c;
|
||
char tab[10];
|
||
unsigned b,d;
|
||
short s;
|
||
char *p = NULL;
|
||
p -= 0x700000000042;
|
||
|
||
printf("cast_test:\n");
|
||
a = 0xfffff;
|
||
cast1(a, a, a, a);
|
||
a = 0xffffe;
|
||
printf("%d %d %d %d\n",
|
||
(char)(a + 1),
|
||
(short)(a + 1),
|
||
(unsigned char)(a + 1),
|
||
(unsigned short)(a + 1));
|
||
printf("%d %d %d %d\n",
|
||
(char)0xfffff,
|
||
(short)0xfffff,
|
||
(unsigned char)0xfffff,
|
||
(unsigned short)0xfffff);
|
||
|
||
a = (bcast = 128) + 1;
|
||
printf("%d\n", a);
|
||
a = (scast = 65536) + 1;
|
||
printf("%d\n", a);
|
||
|
||
printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
|
||
|
||
/* test cast from unsigned to signed short to int */
|
||
b = 0xf000;
|
||
d = (short)b;
|
||
printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
|
||
b = 0xf0f0;
|
||
d = (char)b;
|
||
printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
|
||
|
||
/* test implicit int casting for array accesses */
|
||
c = 0;
|
||
tab[1] = 2;
|
||
tab[c] = 1;
|
||
printf("%d %d\n", tab[0], tab[1]);
|
||
|
||
/* test implicit casting on some operators */
|
||
printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
|
||
printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
|
||
printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
|
||
|
||
/* from pointer to integer types */
|
||
printf("%d %d %ld %ld %lld %lld\n",
|
||
(int)p, (unsigned int)p,
|
||
(long)p, (unsigned long)p,
|
||
(long long)p, (unsigned long long)p);
|
||
|
||
/* from integers to pointers */
|
||
printf("%p %p %p %p\n",
|
||
(void *)a, (void *)b, (void *)c, (void *)d);
|
||
}
|
||
|
||
/* initializers tests */
|
||
struct structinit1 {
|
||
int f1;
|
||
char f2;
|
||
short f3;
|
||
int farray[3];
|
||
};
|
||
|
||
int sinit1 = 2;
|
||
int sinit2 = { 3 };
|
||
int sinit3[3] = { 1, 2, {{3}}, };
|
||
int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
|
||
int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
|
||
int sinit6[] = { 1, 2, 3 };
|
||
int sinit7[] = { [2] = 3, [0] = 1, 2 };
|
||
char sinit8[] = "hello" "trala";
|
||
|
||
struct structinit1 sinit9 = { 1, 2, 3 };
|
||
struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
|
||
struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
|
||
#ifdef ALL_ISOC99
|
||
.farray[0] = 10,
|
||
.farray[1] = 11,
|
||
.farray[2] = 12,
|
||
#endif
|
||
};
|
||
|
||
char *sinit12 = "hello world";
|
||
char *sinit13[] = {
|
||
"test1",
|
||
"test2",
|
||
"test3",
|
||
};
|
||
char sinit14[10] = { "abc" };
|
||
int sinit15[3] = { sizeof(sinit15), 1, 2 };
|
||
|
||
struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
|
||
|
||
struct bar {
|
||
char *s;
|
||
int len;
|
||
} sinit17[] = {
|
||
"a1", 4,
|
||
"a2", 1
|
||
};
|
||
|
||
int sinit18[10] = {
|
||
[2 ... 5] = 20,
|
||
2,
|
||
[8] = 10,
|
||
};
|
||
|
||
struct complexinit0 {
|
||
int a;
|
||
int b;
|
||
};
|
||
|
||
struct complexinit {
|
||
int a;
|
||
const struct complexinit0 *b;
|
||
};
|
||
|
||
const static struct complexinit cix[] = {
|
||
[0] = {
|
||
.a = 2000,
|
||
.b = (const struct complexinit0[]) {
|
||
{ 2001, 2002 },
|
||
{ 2003, 2003 },
|
||
{}
|
||
}
|
||
}
|
||
};
|
||
|
||
struct complexinit2 {
|
||
int a;
|
||
int b[];
|
||
};
|
||
|
||
struct complexinit2 cix20;
|
||
|
||
struct complexinit2 cix21 = {
|
||
.a = 3000,
|
||
.b = { 3001, 3002, 3003 }
|
||
};
|
||
|
||
struct complexinit2 cix22 = {
|
||
.a = 4000,
|
||
.b = { 4001, 4002, 4003, 4004, 4005, 4006 }
|
||
};
|
||
|
||
typedef int arrtype1[];
|
||
arrtype1 sinit19 = {1};
|
||
arrtype1 sinit20 = {2,3};
|
||
typedef int arrtype2[3];
|
||
arrtype2 sinit21 = {4};
|
||
arrtype2 sinit22 = {5,6,7};
|
||
|
||
/* Address comparisons of non-weak symbols with zero can be const-folded */
|
||
int sinit23[2] = { "astring" ? sizeof("astring") : -1,
|
||
&sinit23 ? 42 : -1 };
|
||
|
||
extern int external_inited = 42;
|
||
|
||
void init_test(void)
|
||
{
|
||
int linit1 = 2;
|
||
int linit2 = { 3 };
|
||
int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
|
||
int linit6[] = { 1, 2, 3 };
|
||
int i, j;
|
||
char linit8[] = "hello" "trala";
|
||
int linit12[10] = { 1, 2 };
|
||
int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
|
||
char linit14[10] = "abc";
|
||
int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
|
||
struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
|
||
int linit17 = sizeof(linit17);
|
||
int zero = 0;
|
||
/* Addresses on non-weak symbols are non-zero, but not the access itself */
|
||
int linit18[2] = {&zero ? 1 : -1, zero ? -1 : 1 };
|
||
|
||
printf("init_test:\n");
|
||
|
||
printf("sinit1=%d\n", sinit1);
|
||
printf("sinit2=%d\n", sinit2);
|
||
printf("sinit3=%d %d %d %d\n",
|
||
sizeof(sinit3),
|
||
sinit3[0],
|
||
sinit3[1],
|
||
sinit3[2]
|
||
);
|
||
printf("sinit6=%d\n", sizeof(sinit6));
|
||
printf("sinit7=%d %d %d %d\n",
|
||
sizeof(sinit7),
|
||
sinit7[0],
|
||
sinit7[1],
|
||
sinit7[2]
|
||
);
|
||
printf("sinit8=%s\n", sinit8);
|
||
printf("sinit9=%d %d %d\n",
|
||
sinit9.f1,
|
||
sinit9.f2,
|
||
sinit9.f3
|
||
);
|
||
printf("sinit10=%d %d %d\n",
|
||
sinit10.f1,
|
||
sinit10.f2,
|
||
sinit10.f3
|
||
);
|
||
printf("sinit11=%d %d %d %d %d %d\n",
|
||
sinit11.f1,
|
||
sinit11.f2,
|
||
sinit11.f3,
|
||
sinit11.farray[0],
|
||
sinit11.farray[1],
|
||
sinit11.farray[2]
|
||
);
|
||
|
||
for(i=0;i<3;i++)
|
||
for(j=0;j<2;j++)
|
||
printf("[%d][%d] = %d %d %d\n",
|
||
i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
|
||
printf("linit1=%d\n", linit1);
|
||
printf("linit2=%d\n", linit2);
|
||
printf("linit6=%d\n", sizeof(linit6));
|
||
printf("linit8=%d %s\n", sizeof(linit8), linit8);
|
||
|
||
printf("sinit12=%s\n", sinit12);
|
||
printf("sinit13=%d %s %s %s\n",
|
||
sizeof(sinit13),
|
||
sinit13[0],
|
||
sinit13[1],
|
||
sinit13[2]);
|
||
printf("sinit14=%s\n", sinit14);
|
||
|
||
for(i=0;i<10;i++) printf(" %d", linit12[i]);
|
||
printf("\n");
|
||
for(i=0;i<10;i++) printf(" %d", linit13[i]);
|
||
printf("\n");
|
||
for(i=0;i<10;i++) printf(" %d", linit14[i]);
|
||
printf("\n");
|
||
for(i=0;i<10;i++) printf(" %d", linit15[i]);
|
||
printf("\n");
|
||
printf("%d %d %d %d\n",
|
||
linit16.a1,
|
||
linit16.a2,
|
||
linit16.a3,
|
||
linit16.a4);
|
||
/* test that initialisation is done after variable declare */
|
||
printf("linit17=%d\n", linit17);
|
||
printf("sinit15=%d\n", sinit15[0]);
|
||
printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
|
||
printf("sinit17=%s %d %s %d\n",
|
||
sinit17[0].s, sinit17[0].len,
|
||
sinit17[1].s, sinit17[1].len);
|
||
for(i=0;i<10;i++)
|
||
printf("%x ", sinit18[i]);
|
||
printf("\n");
|
||
/* complex init check */
|
||
printf("cix: %d %d %d %d %d %d %d\n",
|
||
cix[0].a,
|
||
cix[0].b[0].a, cix[0].b[0].b,
|
||
cix[0].b[1].a, cix[0].b[1].b,
|
||
cix[0].b[2].a, cix[0].b[2].b);
|
||
printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
|
||
printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
|
||
|
||
printf("arrtype1: %d %d %d\n", sinit19[0], sinit20[0], sinit20[1]);
|
||
printf("arrtype2: %d %d\n", sizeof(sinit19), sizeof(sinit20));
|
||
printf("arrtype3: %d %d %d\n", sinit21[0], sinit21[1], sinit21[2]);
|
||
printf("arrtype4: %d %d %d\n", sinit22[0], sinit22[1], sinit22[2]);
|
||
printf("arrtype5: %d %d\n", sizeof(sinit21), sizeof(sinit22));
|
||
printf("arrtype6: %d\n", sizeof(arrtype2));
|
||
|
||
printf("sinit23= %d %d\n", sinit23[0], sinit23[1]);
|
||
printf("linit18= %d %d\n", linit18[0], linit18[1]);
|
||
}
|
||
|
||
void switch_uc(unsigned char uc)
|
||
{
|
||
switch (uc) {
|
||
case 0xfb ... 0xfe:
|
||
printf("ucsw:1\n");
|
||
break;
|
||
case 0xff:
|
||
printf("ucsw:2\n");
|
||
break;
|
||
case 0 ... 5:
|
||
printf("ucsw:3\n");
|
||
break;
|
||
default:
|
||
printf("ucsw: broken!\n");
|
||
}
|
||
}
|
||
|
||
void switch_sc(signed char sc)
|
||
{
|
||
switch (sc) {
|
||
case -5 ... -2:
|
||
printf("scsw:1\n");
|
||
break;
|
||
case -1:
|
||
printf("scsw:2\n");
|
||
break;
|
||
case 0 ... 5:
|
||
printf("scsw:3\n");
|
||
break;
|
||
default:
|
||
printf("scsw: broken!\n");
|
||
}
|
||
}
|
||
|
||
void switch_test()
|
||
{
|
||
int i;
|
||
unsigned long long ull;
|
||
long long ll;
|
||
|
||
for(i=0;i<15;i++) {
|
||
switch(i) {
|
||
case 0:
|
||
case 1:
|
||
printf("a");
|
||
break;
|
||
default:
|
||
printf("%d", i);
|
||
break;
|
||
case 8 ... 12:
|
||
printf("c");
|
||
break;
|
||
case 3:
|
||
printf("b");
|
||
break;
|
||
case 0xc33c6b9fU:
|
||
case 0x7c9eeeb9U:
|
||
break;
|
||
}
|
||
}
|
||
printf("\n");
|
||
|
||
for (i = 1; i <= 5; i++) {
|
||
ull = (unsigned long long)i << 61;
|
||
switch (ull) {
|
||
case 1ULL << 61:
|
||
printf("ullsw:1\n");
|
||
break;
|
||
case 2ULL << 61:
|
||
printf("ullsw:2\n");
|
||
break;
|
||
case 3ULL << 61:
|
||
printf("ullsw:3\n");
|
||
break;
|
||
case 4ULL << 61:
|
||
printf("ullsw:4\n");
|
||
break;
|
||
case 5ULL << 61:
|
||
printf("ullsw:5\n");
|
||
break;
|
||
default:
|
||
printf("ullsw: broken!\n");
|
||
}
|
||
}
|
||
|
||
for (i = 1; i <= 5; i++) {
|
||
ll = (long long)i << 61;
|
||
switch (ll) {
|
||
case 1LL << 61:
|
||
printf("llsw:1\n");
|
||
break;
|
||
case 2LL << 61:
|
||
printf("llsw:2\n");
|
||
break;
|
||
case 3LL << 61:
|
||
printf("llsw:3\n");
|
||
break;
|
||
case 4LL << 61:
|
||
printf("llsw:4\n");
|
||
break;
|
||
case 5LL << 61:
|
||
printf("llsw:5\n");
|
||
break;
|
||
default:
|
||
printf("llsw: broken!\n");
|
||
}
|
||
}
|
||
|
||
for (i = -5; i <= 5; i++) {
|
||
switch_uc((unsigned char)i);
|
||
}
|
||
|
||
for (i = -5; i <= 5; i++) {
|
||
switch_sc ((signed char)i);
|
||
}
|
||
}
|
||
|
||
/* ISOC99 _Bool type */
|
||
void c99_bool_test(void)
|
||
{
|
||
#ifdef BOOL_ISOC99
|
||
int a;
|
||
_Bool b;
|
||
|
||
printf("bool_test:\n");
|
||
printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
|
||
a = 3;
|
||
printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
|
||
b = 3;
|
||
printf("b = %d\n", b);
|
||
b++;
|
||
printf("b = %d\n", b);
|
||
#endif
|
||
}
|
||
|
||
void bitfield_test(void)
|
||
{
|
||
int a;
|
||
short sa;
|
||
unsigned char ca;
|
||
struct sbf1 {
|
||
int f1 : 3;
|
||
int : 2;
|
||
int f2 : 1;
|
||
int : 0;
|
||
int f3 : 5;
|
||
int f4 : 7;
|
||
unsigned int f5 : 7;
|
||
} st1;
|
||
printf("bitfield_test:");
|
||
printf("sizeof(st1) = %d\n", sizeof(st1));
|
||
|
||
st1.f1 = 3;
|
||
st1.f2 = 1;
|
||
st1.f3 = 15;
|
||
a = 120;
|
||
st1.f4 = a;
|
||
st1.f5 = a;
|
||
st1.f5++;
|
||
printf("%d %d %d %d %d\n",
|
||
st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
|
||
sa = st1.f5;
|
||
ca = st1.f5;
|
||
printf("%d %d\n", sa, ca);
|
||
|
||
st1.f1 = 7;
|
||
if (st1.f1 == -1)
|
||
printf("st1.f1 == -1\n");
|
||
else
|
||
printf("st1.f1 != -1\n");
|
||
if (st1.f2 == -1)
|
||
printf("st1.f2 == -1\n");
|
||
else
|
||
printf("st1.f2 != -1\n");
|
||
|
||
struct sbf2 {
|
||
long long f1 : 45;
|
||
long long : 2;
|
||
long long f2 : 35;
|
||
unsigned long long f3 : 38;
|
||
} st2;
|
||
st2.f1 = 0x123456789ULL;
|
||
a = 120;
|
||
st2.f2 = (long long)a << 25;
|
||
st2.f3 = a;
|
||
st2.f2++;
|
||
printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
|
||
|
||
#if 0
|
||
Disabled for now until further clarification re GCC compatibility
|
||
struct sbf3 {
|
||
int f1 : 7;
|
||
int f2 : 1;
|
||
char f3;
|
||
int f4 : 8;
|
||
int f5 : 1;
|
||
int f6 : 16;
|
||
} st3;
|
||
printf("sizeof(st3) = %d\n", sizeof(st3));
|
||
#endif
|
||
|
||
struct sbf4 {
|
||
int x : 31;
|
||
char y : 2;
|
||
} st4;
|
||
st4.y = 1;
|
||
printf("st4.y == %d\n", st4.y);
|
||
struct sbf5 {
|
||
int a;
|
||
char b;
|
||
int x : 12, y : 4, : 0, : 4, z : 3;
|
||
char c;
|
||
} st5 = { 1, 2, 3, 4, -3, 6 };
|
||
printf("st5 = %d %d %d %d %d %d\n", st5.a, st5.b, st5.x, st5.y, st5.z, st5.c);
|
||
struct sbf6 {
|
||
short x : 12;
|
||
unsigned char y : 2;
|
||
} st6;
|
||
st6.y = 1;
|
||
printf("st6.y == %d\n", st6.y);
|
||
}
|
||
|
||
#ifdef __x86_64__
|
||
#define FLOAT_FMT "%f\n"
|
||
#else
|
||
/* x86's float isn't compatible with GCC */
|
||
#define FLOAT_FMT "%.5f\n"
|
||
#endif
|
||
|
||
/* declare strto* functions as they are C99 */
|
||
double strtod(const char *nptr, char **endptr);
|
||
|
||
#if defined(_WIN32)
|
||
float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
|
||
LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
|
||
#else
|
||
float strtof(const char *nptr, char **endptr);
|
||
LONG_DOUBLE strtold(const char *nptr, char **endptr);
|
||
#endif
|
||
|
||
#define FTEST(prefix, typename, type, fmt)\
|
||
void prefix ## cmp(type a, type b)\
|
||
{\
|
||
printf("%d %d %d %d %d %d\n",\
|
||
a == b,\
|
||
a != b,\
|
||
a < b,\
|
||
a > b,\
|
||
a >= b,\
|
||
a <= b);\
|
||
printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
|
||
a,\
|
||
b,\
|
||
a + b,\
|
||
a - b,\
|
||
a * b,\
|
||
a / b,\
|
||
-a);\
|
||
printf(fmt "\n", ++a);\
|
||
printf(fmt "\n", a++);\
|
||
printf(fmt "\n", a);\
|
||
b = 0;\
|
||
printf("%d %d\n", !a, !b);\
|
||
}\
|
||
void prefix ## fcast(type a)\
|
||
{\
|
||
float fa;\
|
||
double da;\
|
||
LONG_DOUBLE la;\
|
||
int ia;\
|
||
long long llia;\
|
||
unsigned int ua;\
|
||
unsigned long long llua;\
|
||
type b;\
|
||
fa = a;\
|
||
da = a;\
|
||
la = a;\
|
||
printf("ftof: %f %f %Lf\n", fa, da, la);\
|
||
ia = (int)a;\
|
||
llia = (long long)a;\
|
||
a = (a >= 0) ? a : -a;\
|
||
ua = (unsigned int)a;\
|
||
llua = (unsigned long long)a;\
|
||
printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
|
||
ia = -1234;\
|
||
ua = 0x81234500;\
|
||
llia = -0x123456789012345LL;\
|
||
llua = 0xf123456789012345LLU;\
|
||
b = ia;\
|
||
printf("itof: " fmt "\n", b);\
|
||
b = ua;\
|
||
printf("utof: " fmt "\n", b);\
|
||
b = llia;\
|
||
printf("lltof: " fmt "\n", b);\
|
||
b = llua;\
|
||
printf("ulltof: " fmt "\n", b);\
|
||
}\
|
||
\
|
||
float prefix ## retf(type a) { return a; }\
|
||
double prefix ## retd(type a) { return a; }\
|
||
LONG_DOUBLE prefix ## retld(type a) { return a; }\
|
||
\
|
||
void prefix ## call(void)\
|
||
{\
|
||
printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
|
||
printf("double: %f\n", prefix ## retd(42.123456789));\
|
||
printf("long double: %Lf\n", prefix ## retld(42.123456789));\
|
||
printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
|
||
}\
|
||
\
|
||
void prefix ## signed_zeros(void) \
|
||
{\
|
||
type x = 0.0, y = -0.0, n, p;\
|
||
if (x == y)\
|
||
printf ("Test 1.0 / x != 1.0 / y returns %d (should be 1).\n",\
|
||
1.0 / x != 1.0 / y);\
|
||
else\
|
||
printf ("x != y; this is wrong!\n");\
|
||
\
|
||
n = -x;\
|
||
if (x == n)\
|
||
printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
|
||
1.0 / x != 1.0 / n);\
|
||
else\
|
||
printf ("x != -x; this is wrong!\n");\
|
||
\
|
||
p = +y;\
|
||
if (x == p)\
|
||
printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
|
||
1.0 / x != 1.0 / p);\
|
||
else\
|
||
printf ("x != +y; this is wrong!\n");\
|
||
p = -y;\
|
||
if (x == p)\
|
||
printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
|
||
1.0 / x != 1.0 / p);\
|
||
else\
|
||
printf ("x != -y; this is wrong!\n");\
|
||
}\
|
||
void prefix ## test(void)\
|
||
{\
|
||
printf("testing '%s'\n", #typename);\
|
||
prefix ## cmp(1, 2.5);\
|
||
prefix ## cmp(2, 1.5);\
|
||
prefix ## cmp(1, 1);\
|
||
prefix ## fcast(234.6);\
|
||
prefix ## fcast(-2334.6);\
|
||
prefix ## call();\
|
||
prefix ## signed_zeros();\
|
||
}
|
||
|
||
FTEST(f, float, float, "%f")
|
||
FTEST(d, double, double, "%f")
|
||
FTEST(ld, long double, LONG_DOUBLE, "%Lf")
|
||
|
||
double ftab1[3] = { 1.2, 3.4, -5.6 };
|
||
|
||
|
||
void float_test(void)
|
||
{
|
||
#if !defined(__arm__) || defined(__ARM_PCS_VFP)
|
||
float fa, fb;
|
||
double da, db;
|
||
int a;
|
||
unsigned int b;
|
||
|
||
printf("float_test:\n");
|
||
printf("sizeof(float) = %d\n", sizeof(float));
|
||
printf("sizeof(double) = %d\n", sizeof(double));
|
||
printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
|
||
ftest();
|
||
dtest();
|
||
ldtest();
|
||
printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
|
||
printf("%f %f %f\n", 2.12, .5, 2.3e10);
|
||
// printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
|
||
da = 123;
|
||
printf("da=%f\n", da);
|
||
fa = 123;
|
||
printf("fa=%f\n", fa);
|
||
a = 4000000000;
|
||
da = a;
|
||
printf("da = %f\n", da);
|
||
b = 4000000000;
|
||
db = b;
|
||
printf("db = %f\n", db);
|
||
#endif
|
||
}
|
||
|
||
int fib(int n)
|
||
{
|
||
if (n <= 2)
|
||
return 1;
|
||
else
|
||
return fib(n-1) + fib(n-2);
|
||
}
|
||
|
||
void funcptr_test()
|
||
{
|
||
void (*func)(int);
|
||
int a;
|
||
struct {
|
||
int dummy;
|
||
void (*func)(int);
|
||
} st1;
|
||
long diff;
|
||
|
||
printf("funcptr:\n");
|
||
func = #
|
||
(*func)(12345);
|
||
func = num;
|
||
a = 1;
|
||
a = 1;
|
||
func(12345);
|
||
/* more complicated pointer computation */
|
||
st1.func = num;
|
||
st1.func(12346);
|
||
printf("sizeof1 = %d\n", sizeof(funcptr_test));
|
||
printf("sizeof2 = %d\n", sizeof funcptr_test);
|
||
printf("sizeof3 = %d\n", sizeof(&funcptr_test));
|
||
printf("sizeof4 = %d\n", sizeof &funcptr_test);
|
||
a = 0;
|
||
func = num + a;
|
||
diff = func - num;
|
||
func(42);
|
||
(func + diff)(42);
|
||
(num + a)(43);
|
||
}
|
||
|
||
void lloptest(long long a, long long b)
|
||
{
|
||
unsigned long long ua, ub;
|
||
|
||
ua = a;
|
||
ub = b;
|
||
/* arith */
|
||
printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
||
a + b,
|
||
a - b,
|
||
a * b);
|
||
|
||
if (b != 0) {
|
||
printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
||
a / b,
|
||
a % b);
|
||
}
|
||
|
||
/* binary */
|
||
printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
||
a & b,
|
||
a | b,
|
||
a ^ b);
|
||
|
||
/* tests */
|
||
printf("test: %d %d %d %d %d %d\n",
|
||
a == b,
|
||
a != b,
|
||
a < b,
|
||
a > b,
|
||
a >= b,
|
||
a <= b);
|
||
|
||
printf("utest: %d %d %d %d %d %d\n",
|
||
ua == ub,
|
||
ua != ub,
|
||
ua < ub,
|
||
ua > ub,
|
||
ua >= ub,
|
||
ua <= ub);
|
||
|
||
/* arith2 */
|
||
a++;
|
||
b++;
|
||
printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
|
||
printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
|
||
printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
|
||
printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
|
||
b = ub = 0;
|
||
printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
|
||
}
|
||
|
||
void llshift(long long a, int b)
|
||
{
|
||
printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
||
(unsigned long long)a >> b,
|
||
a >> b,
|
||
a << b);
|
||
printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
||
(unsigned long long)a >> 3,
|
||
a >> 3,
|
||
a << 3);
|
||
printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
||
(unsigned long long)a >> 35,
|
||
a >> 35,
|
||
a << 35);
|
||
}
|
||
|
||
void llfloat(void)
|
||
{
|
||
float fa;
|
||
double da;
|
||
LONG_DOUBLE lda;
|
||
long long la, lb, lc;
|
||
unsigned long long ula, ulb, ulc;
|
||
la = 0x12345678;
|
||
ula = 0x72345678;
|
||
la = (la << 20) | 0x12345;
|
||
ula = ula << 33;
|
||
printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
|
||
|
||
fa = la;
|
||
da = la;
|
||
lda = la;
|
||
printf("lltof: %f %f %Lf\n", fa, da, lda);
|
||
|
||
la = fa;
|
||
lb = da;
|
||
lc = lda;
|
||
printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
|
||
|
||
fa = ula;
|
||
da = ula;
|
||
lda = ula;
|
||
printf("ulltof: %f %f %Lf\n", fa, da, lda);
|
||
|
||
ula = fa;
|
||
ulb = da;
|
||
ulc = lda;
|
||
printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
|
||
}
|
||
|
||
long long llfunc1(int a)
|
||
{
|
||
return a * 2;
|
||
}
|
||
|
||
struct S {
|
||
int id;
|
||
char item;
|
||
};
|
||
|
||
long long int value(struct S *v)
|
||
{
|
||
return ((long long int)v->item);
|
||
}
|
||
|
||
long long llfunc2(long long x, long long y, int z)
|
||
{
|
||
return x * y * z;
|
||
}
|
||
|
||
void longlong_test(void)
|
||
{
|
||
long long a, b, c;
|
||
int ia;
|
||
unsigned int ua;
|
||
printf("longlong_test:\n");
|
||
printf("sizeof(long long) = %d\n", sizeof(long long));
|
||
ia = -1;
|
||
ua = -2;
|
||
a = ia;
|
||
b = ua;
|
||
printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
|
||
printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
|
||
(long long)1,
|
||
(long long)-2,
|
||
1LL,
|
||
0x1234567812345679);
|
||
a = llfunc1(-3);
|
||
printf(LONG_LONG_FORMAT "\n", a);
|
||
|
||
lloptest(1000, 23);
|
||
lloptest(0xff, 0x1234);
|
||
b = 0x72345678 << 10;
|
||
lloptest(-3, b);
|
||
llshift(0x123, 5);
|
||
llshift(-23, 5);
|
||
b = 0x72345678LL << 10;
|
||
llshift(b, 47);
|
||
|
||
llfloat();
|
||
#if 1
|
||
b = 0x12345678;
|
||
a = -1;
|
||
c = a + b;
|
||
printf("%Lx\n", c);
|
||
#endif
|
||
|
||
/* long long reg spill test */
|
||
{
|
||
struct S a;
|
||
|
||
a.item = 3;
|
||
printf("%lld\n", value(&a));
|
||
}
|
||
lloptest(0x80000000, 0);
|
||
|
||
{
|
||
long long *p, v, **pp;
|
||
v = 1;
|
||
p = &v;
|
||
p[0]++;
|
||
printf("another long long spill test : %lld\n", *p);
|
||
pp = &p;
|
||
|
||
v = llfunc2(**pp, **pp, ia);
|
||
printf("a long long function (arm-)reg-args test : %lld\n", v);
|
||
}
|
||
a = 68719476720LL;
|
||
b = 4294967295LL;
|
||
printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
|
||
|
||
printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
|
||
|
||
/* long long pointer deref in argument passing test */
|
||
a = 0x123;
|
||
long long *p = &a;
|
||
llshift(*p, 5);
|
||
}
|
||
|
||
void manyarg_test(void)
|
||
{
|
||
LONG_DOUBLE ld = 1234567891234LL;
|
||
printf("manyarg_test:\n");
|
||
printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
|
||
printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
1234567891234LL, 987654321986LL,
|
||
42.0, 43.0);
|
||
printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
|
||
ld, 1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
1234567891234LL, 987654321986LL,
|
||
42.0, 43.0);
|
||
printf("%d %d %d %d %d %d %d %d %Lf\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8, ld);
|
||
printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
1234567891234LL, 987654321986LL,
|
||
42.0, 43.0, ld);
|
||
printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
"%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
ld, 1234567891234LL, 987654321986LL,
|
||
42.0, 43.0, ld);
|
||
}
|
||
|
||
void vprintf1(const char *fmt, ...)
|
||
{
|
||
va_list ap, aq;
|
||
const char *p;
|
||
int c, i;
|
||
double d;
|
||
long long ll;
|
||
LONG_DOUBLE ld;
|
||
|
||
va_start(aq, fmt);
|
||
va_copy(ap, aq);
|
||
|
||
p = fmt;
|
||
for(;;) {
|
||
c = *p;
|
||
if (c == '\0')
|
||
break;
|
||
p++;
|
||
if (c == '%') {
|
||
c = *p;
|
||
switch(c) {
|
||
case '\0':
|
||
goto the_end;
|
||
case 'd':
|
||
i = va_arg(ap, int);
|
||
printf("%d", i);
|
||
break;
|
||
case 'f':
|
||
d = va_arg(ap, double);
|
||
printf("%f", d);
|
||
break;
|
||
case 'l':
|
||
ll = va_arg(ap, long long);
|
||
printf(LONG_LONG_FORMAT, ll);
|
||
break;
|
||
case 'F':
|
||
ld = va_arg(ap, LONG_DOUBLE);
|
||
printf("%Lf", ld);
|
||
break;
|
||
}
|
||
p++;
|
||
} else {
|
||
putchar(c);
|
||
}
|
||
}
|
||
the_end:
|
||
va_end(aq);
|
||
va_end(ap);
|
||
}
|
||
|
||
struct myspace {
|
||
short int profile;
|
||
};
|
||
|
||
void stdarg_for_struct(struct myspace bob, ...)
|
||
{
|
||
struct myspace george, bill;
|
||
va_list ap;
|
||
short int validate;
|
||
|
||
va_start(ap, bob);
|
||
bill = va_arg(ap, struct myspace);
|
||
george = va_arg(ap, struct myspace);
|
||
validate = va_arg(ap, int);
|
||
printf("stdarg_for_struct: %d %d %d %d\n",
|
||
bob.profile, bill.profile, george.profile, validate);
|
||
va_end(ap);
|
||
}
|
||
|
||
void stdarg_for_libc(const char *fmt, ...)
|
||
{
|
||
va_list args;
|
||
va_start(args, fmt);
|
||
vprintf(fmt, args);
|
||
va_end(args);
|
||
}
|
||
|
||
void stdarg_test(void)
|
||
{
|
||
LONG_DOUBLE ld = 1234567891234LL;
|
||
struct myspace bob;
|
||
|
||
vprintf1("%d %d %d\n", 1, 2, 3);
|
||
vprintf1("%f %d %f\n", 1.0, 2, 3.0);
|
||
vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
|
||
vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
|
||
vprintf1("%d %f %l %F %d %f %l %F\n",
|
||
1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
|
||
vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
|
||
vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
|
||
vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
"%l %l %f %f\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
1234567891234LL, 987654321986LL,
|
||
42.0, 43.0);
|
||
vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
"%l %l %f %f\n",
|
||
ld, 1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
1234567891234LL, 987654321986LL,
|
||
42.0, 43.0);
|
||
vprintf1("%d %d %d %d %d %d %d %d %F\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8, ld);
|
||
vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
"%l %l %f %f %F\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
1234567891234LL, 987654321986LL,
|
||
42.0, 43.0, ld);
|
||
vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
||
"%F %l %l %f %f %F\n",
|
||
1, 2, 3, 4, 5, 6, 7, 8,
|
||
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
||
ld, 1234567891234LL, 987654321986LL,
|
||
42.0, 43.0, ld);
|
||
|
||
bob.profile = 42;
|
||
stdarg_for_struct(bob, bob, bob, bob.profile);
|
||
stdarg_for_libc("stdarg_for_libc: %s %.2f %d\n", "string", 1.23, 456);
|
||
}
|
||
|
||
void whitespace_test(void)
|
||
{
|
||
char *str;
|
||
|
||
|
||
#if 1
|
||
pri\
|
||
ntf("whitspace:\n");
|
||
#endif
|
||
pf("N=%d\n", 2);
|
||
|
||
#ifdef CORRECT_CR_HANDLING
|
||
pri\
|
||
ntf("aaa=%d\n", 3);
|
||
#endif
|
||
|
||
pri\
|
||
\
|
||
ntf("min=%d\n", 4);
|
||
|
||
#ifdef ACCEPT_CR_IN_STRINGS
|
||
printf("len1=%d\n", strlen("
|
||
"));
|
||
#ifdef CORRECT_CR_HANDLING
|
||
str = "
|
||
";
|
||
printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
|
||
#endif
|
||
printf("len1=%d\n", strlen("
|
||
a
|
||
"));
|
||
#endif /* ACCEPT_CR_IN_STRINGS */
|
||
}
|
||
|
||
int reltab[3] = { 1, 2, 3 };
|
||
|
||
int *rel1 = &reltab[1];
|
||
int *rel2 = &reltab[2];
|
||
|
||
#ifdef _WIN64
|
||
void relocation_test(void) {}
|
||
#else
|
||
void getmyaddress(void)
|
||
{
|
||
printf("in getmyaddress\n");
|
||
}
|
||
|
||
#ifdef __LP64__
|
||
long __pa_symbol(void)
|
||
{
|
||
/* This 64bit constant was handled incorrectly, it was used as addend
|
||
(which can hold 64bit just fine) in connection with a symbol,
|
||
and TCC generates wrong code for that (displacements are 32bit only).
|
||
This effectively is "+ 0x80000000", and if addresses of globals
|
||
are below 2GB the result should be a number without high 32 bits set. */
|
||
return ((long)(((unsigned long)(&rel1))) - (0xffffffff80000000UL));
|
||
}
|
||
#endif
|
||
|
||
unsigned long theaddress = (unsigned long)getmyaddress;
|
||
void relocation_test(void)
|
||
{
|
||
void (*fptr)(void) = (void (*)(void))theaddress;
|
||
printf("*rel1=%d\n", *rel1);
|
||
printf("*rel2=%d\n", *rel2);
|
||
fptr();
|
||
#ifdef __LP64__
|
||
printf("pa_symbol=0x%lx\n", __pa_symbol() >> 63);
|
||
#endif
|
||
}
|
||
#endif
|
||
|
||
void old_style_f(a,b,c)
|
||
int a, b;
|
||
double c;
|
||
{
|
||
printf("a=%d b=%d b=%f\n", a, b, c);
|
||
}
|
||
|
||
void decl_func1(int cmpfn())
|
||
{
|
||
printf("cmpfn=%lx\n", (long)cmpfn);
|
||
}
|
||
|
||
void decl_func2(cmpfn)
|
||
int cmpfn();
|
||
{
|
||
printf("cmpfn=%lx\n", (long)cmpfn);
|
||
}
|
||
|
||
void old_style_function(void)
|
||
{
|
||
old_style_f((void *)1, 2, 3.0);
|
||
decl_func1(NULL);
|
||
decl_func2(NULL);
|
||
}
|
||
|
||
void alloca_test()
|
||
{
|
||
#if defined __i386__ || defined __x86_64__ || defined __arm__
|
||
char *p = alloca(16);
|
||
strcpy(p,"123456789012345");
|
||
printf("alloca: p is %s\n", p);
|
||
char *demo = "This is only a test.\n";
|
||
/* Test alloca embedded in a larger expression */
|
||
printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
|
||
#endif
|
||
}
|
||
|
||
void *bounds_checking_is_enabled()
|
||
{
|
||
char ca[10], *cp = ca-1;
|
||
return (ca != cp + 1) ? cp : NULL;
|
||
}
|
||
|
||
typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
|
||
|
||
void c99_vla_test(int size1, int size2)
|
||
{
|
||
#if defined __i386__ || defined __x86_64__
|
||
int size = size1 * size2;
|
||
int tab1[size][2], tab2[10][2];
|
||
void *tab1_ptr, *tab2_ptr, *bad_ptr;
|
||
|
||
/* "size" should have been 'captured' at tab1 declaration,
|
||
so modifying it should have no effect on VLA behaviour. */
|
||
size = size-1;
|
||
|
||
printf("Test C99 VLA 1 (sizeof): ");
|
||
printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
|
||
tab1_ptr = tab1;
|
||
tab2_ptr = tab2;
|
||
printf("Test C99 VLA 2 (ptrs subtract): ");
|
||
printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
|
||
printf("Test C99 VLA 3 (ptr add): ");
|
||
printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
|
||
printf("Test C99 VLA 4 (ptr access): ");
|
||
tab1[size1][1] = 42;
|
||
printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
|
||
|
||
printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
|
||
if (bad_ptr = bounds_checking_is_enabled()) {
|
||
int *t1 = &tab1[size1 * size2 - 1][3];
|
||
int *t2 = &tab2[9][3];
|
||
printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
|
||
printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
|
||
|
||
char*c1 = 1 + sizeof(tab1) + (char*)tab1;
|
||
char*c2 = 1 + sizeof(tab2) + (char*)tab2;
|
||
printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
|
||
printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
|
||
|
||
int *i1 = tab1[-1];
|
||
int *i2 = tab2[-1];
|
||
printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
|
||
printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
|
||
|
||
int *x1 = tab1[size1 * size2 + 1];
|
||
int *x2 = tab2[10 + 1];
|
||
printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
|
||
printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
|
||
} else {
|
||
printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
|
||
}
|
||
printf("\n");
|
||
#endif
|
||
}
|
||
|
||
#ifndef __TINYC__
|
||
typedef __SIZE_TYPE__ uintptr_t;
|
||
#endif
|
||
|
||
void sizeof_test(void)
|
||
{
|
||
int a;
|
||
int **ptr;
|
||
|
||
printf("sizeof(int) = %d\n", sizeof(int));
|
||
printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
|
||
printf("sizeof(long) = %d\n", sizeof(long));
|
||
printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
|
||
printf("sizeof(short) = %d\n", sizeof(short));
|
||
printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
|
||
printf("sizeof(char) = %d\n", sizeof(char));
|
||
printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
|
||
printf("sizeof(func) = %d\n", sizeof sizeof_test());
|
||
a = 1;
|
||
printf("sizeof(a++) = %d\n", sizeof a++);
|
||
printf("a=%d\n", a);
|
||
ptr = NULL;
|
||
printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
|
||
|
||
/* The type of sizeof should be as large as a pointer, actually
|
||
it should be size_t. */
|
||
printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
|
||
uintptr_t t = 1;
|
||
uintptr_t t2;
|
||
/* Effectively <<32, but defined also on 32bit machines. */
|
||
t <<= 16;
|
||
t <<= 16;
|
||
t++;
|
||
/* This checks that sizeof really can be used to manipulate
|
||
uintptr_t objects, without truncation. */
|
||
t2 = t & -sizeof(uintptr_t);
|
||
printf ("%lu %lu\n", t, t2);
|
||
|
||
/* some alignof tests */
|
||
printf("__alignof__(int) = %d\n", __alignof__(int));
|
||
printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
|
||
printf("__alignof__(short) = %d\n", __alignof__(short));
|
||
printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
|
||
printf("__alignof__(char) = %d\n", __alignof__(char));
|
||
printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
|
||
printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
|
||
|
||
/* sizes of VLAs need to be evaluated even inside sizeof: */
|
||
a = 2;
|
||
printf("sizeof(char[1+2*a]) = %d\n", sizeof(char[1+2*a]));
|
||
/* And checking if sizeof compound literal works. Parenthesized: */
|
||
printf("sizeof( (struct {int i; int j;}){4,5} ) = %d\n",
|
||
sizeof( (struct {int i; int j;}){4,5} ));
|
||
/* And as direct sizeof argument (as unary expression): */
|
||
printf("sizeof (struct {short i; short j;}){4,5} = %d\n",
|
||
sizeof (struct {short i; short j;}){4,5} );
|
||
|
||
/* sizeof(x && y) should be sizeof(int), even if constant
|
||
evaluating is possible. */
|
||
printf("sizeof(t && 0) = %d\n", sizeof(t && 0));
|
||
printf("sizeof(1 && 1) = %d\n", sizeof(1 && 1));
|
||
printf("sizeof(t || 1) = %d\n", sizeof(t || 1));
|
||
printf("sizeof(0 || 0) = %d\n", sizeof(0 || 0));
|
||
}
|
||
|
||
void typeof_test(void)
|
||
{
|
||
double a;
|
||
typeof(a) b;
|
||
typeof(float) c;
|
||
|
||
a = 1.5;
|
||
b = 2.5;
|
||
c = 3.5;
|
||
printf("a=%f b=%f c=%f\n", a, b, c);
|
||
}
|
||
|
||
|
||
struct hlist_node;
|
||
struct hlist_head {
|
||
struct hlist_node *first, *last;
|
||
};
|
||
|
||
void consume_ulong (unsigned long i)
|
||
{
|
||
i = 0;
|
||
}
|
||
|
||
void statement_expr_test(void)
|
||
{
|
||
int a, i;
|
||
|
||
/* Basic stmt expr test */
|
||
a = 0;
|
||
for(i=0;i<10;i++) {
|
||
a += 1 +
|
||
( { int b, j;
|
||
b = 0;
|
||
for(j=0;j<5;j++)
|
||
b += j; b;
|
||
} );
|
||
}
|
||
printf("a=%d\n", a);
|
||
|
||
/* Test that symbols aren't freed prematurely.
|
||
With SYM_DEBUG valgrind will show a read from a freed
|
||
symbol, and tcc will show an (invalid) warning on the initialization
|
||
of 'ptr' below, if symbols are popped after the stmt expr. */
|
||
void *v = (void*)39;
|
||
typeof(({
|
||
(struct hlist_node *)v;
|
||
})) x;
|
||
typeof (x)
|
||
ptr = (struct hlist_node *)v;
|
||
|
||
/* This part used to segfault when symbols were popped prematurely.
|
||
The symbols for the static local would be overwritten with
|
||
helper symbols from the pre-processor expansions in between. */
|
||
#define some_attr __attribute__((aligned(1)))
|
||
#define tps(str) ({ \
|
||
static const char *t some_attr = str; \
|
||
t; \
|
||
})
|
||
printf ("stmtexpr: %s %s\n",
|
||
tps("somerandomlongstring"),
|
||
tps("anotherlongstring"));
|
||
|
||
/* Test that the three decls of 't' don't interact. */
|
||
int t = 40;
|
||
int b = ({ int t = 41; t; });
|
||
int c = ({ int t = 42; t; });
|
||
|
||
/* Test that aggregate return values work. */
|
||
struct hlist_head h
|
||
= ({
|
||
typedef struct hlist_head T;
|
||
long pre = 48;
|
||
T t = { (void*)43, (void*)44 };
|
||
long post = 49;
|
||
t;
|
||
});
|
||
printf ("stmtexpr: %d %d %d\n", t, b, c);
|
||
printf ("stmtexpr: %ld %ld\n", (long)h.first, (long)h.last);
|
||
|
||
/* Test that we can give out addresses of local labels. */
|
||
consume_ulong(({ __label__ __here; __here: (unsigned long)&&__here; }));
|
||
}
|
||
|
||
void local_label_test(void)
|
||
{
|
||
int a;
|
||
goto l1;
|
||
l2:
|
||
a = 1 + ({
|
||
__label__ l1, l2, l3, l4;
|
||
goto l1;
|
||
l4:
|
||
printf("aa1\n");
|
||
goto l3;
|
||
l2:
|
||
printf("aa3\n");
|
||
goto l4;
|
||
l1:
|
||
printf("aa2\n");
|
||
goto l2;
|
||
l3:;
|
||
1;
|
||
});
|
||
printf("a=%d\n", a);
|
||
return;
|
||
l4:
|
||
printf("bb1\n");
|
||
goto l2;
|
||
l1:
|
||
printf("bb2\n");
|
||
goto l4;
|
||
}
|
||
|
||
/* inline assembler test */
|
||
#if defined(__i386__) || defined(__x86_64__)
|
||
|
||
/* from linux kernel */
|
||
static char * strncat1(char * dest,const char * src,size_t count)
|
||
{
|
||
long d0, d1, d2, d3;
|
||
__asm__ __volatile__(
|
||
"repne\n\t"
|
||
"scasb\n\t"
|
||
"dec %1\n\t"
|
||
"mov %8,%3\n"
|
||
"1:\tdec %3\n\t"
|
||
"js 2f\n\t"
|
||
"lodsb\n\t"
|
||
"stosb\n\t"
|
||
"testb %%al,%%al\n\t"
|
||
"jne 1b\n"
|
||
"2:\txor %2,%2\n\t"
|
||
"stosb"
|
||
: "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
|
||
: "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
|
||
: "memory");
|
||
return dest;
|
||
}
|
||
|
||
static char * strncat2(char * dest,const char * src,size_t count)
|
||
{
|
||
long d0, d1, d2, d3;
|
||
__asm__ __volatile__(
|
||
"repne scasb\n\t" /* one-line repne prefix + string op */
|
||
"dec %1\n\t"
|
||
"mov %8,%3\n"
|
||
"1:\tdec %3\n\t"
|
||
"js 2f\n\t"
|
||
"lodsb\n\t"
|
||
"stosb\n\t"
|
||
"testb %%al,%%al\n\t"
|
||
"jne 1b\n"
|
||
"2:\txor %2,%2\n\t"
|
||
"stosb"
|
||
: "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
|
||
: "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
|
||
: "memory");
|
||
return dest;
|
||
}
|
||
|
||
static inline void * memcpy1(void * to, const void * from, size_t n)
|
||
{
|
||
long d0, d1, d2;
|
||
__asm__ __volatile__(
|
||
"rep ; movsl\n\t"
|
||
"testb $2,%b4\n\t"
|
||
"je 1f\n\t"
|
||
"movsw\n"
|
||
"1:\ttestb $1,%b4\n\t"
|
||
"je 2f\n\t"
|
||
"movsb\n"
|
||
"2:"
|
||
: "=&c" (d0), "=&D" (d1), "=&S" (d2)
|
||
:"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
|
||
: "memory");
|
||
return (to);
|
||
}
|
||
|
||
static inline void * memcpy2(void * to, const void * from, size_t n)
|
||
{
|
||
long d0, d1, d2;
|
||
__asm__ __volatile__(
|
||
"rep movsl\n\t" /* one-line rep prefix + string op */
|
||
"testb $2,%b4\n\t"
|
||
"je 1f\n\t"
|
||
"movsw\n"
|
||
"1:\ttestb $1,%b4\n\t"
|
||
"je 2f\n\t"
|
||
"movsb\n"
|
||
"2:"
|
||
: "=&c" (d0), "=&D" (d1), "=&S" (d2)
|
||
:"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
|
||
: "memory");
|
||
return (to);
|
||
}
|
||
|
||
static __inline__ void sigaddset1(unsigned int *set, int _sig)
|
||
{
|
||
__asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
|
||
}
|
||
|
||
static __inline__ void sigdelset1(unsigned int *set, int _sig)
|
||
{
|
||
asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc", "flags");
|
||
}
|
||
|
||
static __inline__ __const__ unsigned int swab32(unsigned int x)
|
||
{
|
||
__asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
|
||
"rorl $16,%0\n\t" /* swap words */
|
||
"xchgb %b0,%h0" /* swap higher bytes */
|
||
:"=" "q" (x)
|
||
: "0" (x));
|
||
return x;
|
||
}
|
||
|
||
static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
|
||
{
|
||
unsigned long long res;
|
||
#ifdef __x86_64__
|
||
/* Using the A constraint is wrong (it means rdx:rax, which is too large)
|
||
but still test the 32bit->64bit mull. */
|
||
unsigned int resh, resl;
|
||
__asm__("mull %2" : "=a" (resl), "=d" (resh) : "a" (a), "r" (b));
|
||
res = ((unsigned long long)resh << 32) | resl;
|
||
#else
|
||
__asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
|
||
#endif
|
||
return res;
|
||
}
|
||
|
||
static __inline__ unsigned long long inc64(unsigned long long a)
|
||
{
|
||
unsigned long long res;
|
||
#ifdef __x86_64__
|
||
/* Using the A constraint is wrong, and increments are tested
|
||
elsewhere. */
|
||
res = a + 1;
|
||
#else
|
||
__asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
|
||
#endif
|
||
return res;
|
||
}
|
||
|
||
struct struct123 {
|
||
int a;
|
||
int b;
|
||
};
|
||
struct struct1231 {
|
||
unsigned long addr;
|
||
};
|
||
|
||
unsigned long mconstraint_test(struct struct1231 *r)
|
||
{
|
||
unsigned long ret;
|
||
unsigned int a[2];
|
||
a[0] = 0;
|
||
__asm__ volatile ("lea %2,%0; movl 4(%0),%k0; addl %2,%k0; movl $51,%2; movl $52,4%2; movl $63,%1"
|
||
: "=&r" (ret), "=m" (a)
|
||
: "m" (*(struct struct123 *)r->addr));
|
||
return ret + a[0];
|
||
}
|
||
|
||
#ifdef __x86_64__
|
||
int fls64(unsigned long long x)
|
||
{
|
||
int bitpos = -1;
|
||
asm("bsrq %1,%q0"
|
||
: "+r" (bitpos)
|
||
: "rm" (x));
|
||
return bitpos + 1;
|
||
}
|
||
#endif
|
||
|
||
void other_constraints_test(void)
|
||
{
|
||
unsigned long ret;
|
||
int var;
|
||
#ifndef _WIN64
|
||
__asm__ volatile ("mov %P1,%0" : "=r" (ret) : "p" (&var));
|
||
printf ("oc1: %d\n", ret == (unsigned long)&var);
|
||
#endif
|
||
}
|
||
|
||
#ifndef _WIN32
|
||
/* Test global asm blocks playing with aliases. */
|
||
void base_func(void)
|
||
{
|
||
printf ("asmc: base\n");
|
||
}
|
||
|
||
extern void override_func1 (void);
|
||
extern void override_func2 (void);
|
||
|
||
asm(".weak override_func1\n.set override_func1, base_func");
|
||
asm(".set override_func1, base_func");
|
||
asm(".set override_func2, base_func");
|
||
|
||
void override_func2 (void)
|
||
{
|
||
printf ("asmc: override2\n");
|
||
}
|
||
|
||
/* This checks a construct used by the linux kernel to encode
|
||
references to strings by PC relative references. */
|
||
extern int bug_table[] __attribute__((section("__bug_table")));
|
||
char * get_asm_string (void)
|
||
{
|
||
extern int some_symbol;
|
||
asm volatile (".globl some_symbol\n"
|
||
"jmp .+6\n"
|
||
"1:\n"
|
||
"some_symbol: .long 0\n"
|
||
".pushsection __bug_table, \"a\"\n"
|
||
".globl bug_table\n"
|
||
"bug_table:\n"
|
||
/* The first entry (1b-2b) is unused in this test,
|
||
but we include it to check if cross-section
|
||
PC-relative references work. */
|
||
"2:\t.long 1b - 2b, %c0 - 2b\n"
|
||
".popsection\n" : : "i" ("A string"));
|
||
char * str = ((char*)bug_table) + bug_table[1];
|
||
return str;
|
||
}
|
||
|
||
/* This checks another constructs with local labels. */
|
||
extern unsigned char alld_stuff[];
|
||
asm(".data\n"
|
||
".byte 41\n"
|
||
"alld_stuff:\n"
|
||
"661:\n"
|
||
".byte 42\n"
|
||
"662:\n"
|
||
".pushsection .data.ignore\n"
|
||
".long 661b - .\n" /* This reference to 661 generates an external sym
|
||
which shouldn't somehow overwrite the offset that's
|
||
already determined for it. */
|
||
".popsection\n"
|
||
".byte 662b - 661b\n" /* So that this value is undeniably 1. */);
|
||
|
||
void asm_local_label_diff (void)
|
||
{
|
||
printf ("asm_local_label_diff: %d %d\n", alld_stuff[0], alld_stuff[1]);
|
||
}
|
||
|
||
/* This checks that static local variables are available from assembler. */
|
||
void asm_local_statics (void)
|
||
{
|
||
static int localint = 41;
|
||
asm("incl %0" : "+m" (localint));
|
||
printf ("asm_local_statics: %d\n", localint);
|
||
}
|
||
#endif
|
||
|
||
static
|
||
unsigned int set;
|
||
|
||
void fancy_copy (unsigned *in, unsigned *out)
|
||
{
|
||
asm volatile ("" : "=r" (*out) : "0" (*in));
|
||
}
|
||
|
||
void fancy_copy2 (unsigned *in, unsigned *out)
|
||
{
|
||
asm volatile ("mov %0,(%1)" : : "r" (*in), "r" (out) : "memory");
|
||
}
|
||
|
||
#if defined __x86_64__ && !defined _WIN64
|
||
void clobber_r12(void)
|
||
{
|
||
asm volatile("mov $1, %%r12" ::: "r12");
|
||
}
|
||
#endif
|
||
|
||
void test_high_clobbers(void)
|
||
{
|
||
#if defined __x86_64__ && !defined _WIN64
|
||
register long val asm("r12");
|
||
long val2;
|
||
/* This tests if asm clobbers correctly save/restore callee saved
|
||
registers if they are clobbered and if it's the high 8 x86-64
|
||
registers. This is fragile for GCC as the constraints do not
|
||
correctly capture the data flow, but good enough for us. */
|
||
asm volatile("mov $0x4542, %%r12" : "=r" (val):: "memory");
|
||
clobber_r12();
|
||
asm volatile("mov %%r12, %0" : "=r" (val2) : "r" (val): "memory");
|
||
printf("asmhc: 0x%x\n", val2);
|
||
#endif
|
||
}
|
||
|
||
static long cpu_number;
|
||
void trace_console(long len, long len2)
|
||
{
|
||
#ifdef __x86_64__
|
||
/* This generated invalid code when the emission of the switch
|
||
table isn't disabled. The asms are necessary to show the bug,
|
||
normal statements don't work (they need to generate some code
|
||
even under nocode_wanted, which normal statements don't do,
|
||
but asms do). Also at least these number of cases is necessary
|
||
to generate enough "random" bytes. They ultimately are enough
|
||
to create invalid instruction patterns to which the first
|
||
skip-to-decision-table jump jumps. If decision table emission
|
||
is disabled all of this is no problem.
|
||
|
||
It also is necessary that the switches are in a statement expression
|
||
(which has the property of not being enterable from outside. no
|
||
matter what). */
|
||
if (0
|
||
&&
|
||
({
|
||
long pscr_ret__;
|
||
switch(len) {
|
||
case 4:
|
||
{
|
||
long pfo_ret__;
|
||
switch (len2) {
|
||
case 8: printf("bla"); pfo_ret__ = 42; break;
|
||
}
|
||
pscr_ret__ = pfo_ret__;
|
||
}
|
||
break;
|
||
case 8:
|
||
{
|
||
long pfo_ret__;
|
||
switch (len2) {
|
||
case 1:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
||
case 2:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
||
case 4:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
||
case 8:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
||
default: printf("impossible\n");
|
||
}
|
||
pscr_ret__ = pfo_ret__;
|
||
};
|
||
break;
|
||
}
|
||
pscr_ret__;
|
||
}))
|
||
{
|
||
printf("huh?\n");
|
||
}
|
||
#endif
|
||
}
|
||
|
||
void test_asm_dead_code(void)
|
||
{
|
||
long rdi;
|
||
/* Try to make sure that xdi contains a zero, and hence will
|
||
lead to a segfault if the next asm is evaluated without
|
||
arguments being set up. */
|
||
asm volatile ("" : "=D" (rdi) : "0" (0));
|
||
(void)sizeof (({
|
||
int var;
|
||
/* This shouldn't trigger a segfault, either the argument
|
||
registers need to be set up and the asm emitted despite
|
||
this being in an unevaluated context, or both the argument
|
||
setup _and_ the asm emission need to be suppressed. The latter
|
||
is better. Disabling asm code gen when suppression is on
|
||
also fixes the above trace_console bug, but that came earlier
|
||
than asm suppression. */
|
||
asm volatile ("movl $0,(%0)" : : "D" (&var) : "memory");
|
||
var;
|
||
}));
|
||
}
|
||
|
||
void test_asm_call(void)
|
||
{
|
||
#if defined __x86_64__ && !defined _WIN64
|
||
static char str[] = "PATH";
|
||
char *s;
|
||
/* This tests if a reference to an undefined symbol from an asm
|
||
block, which isn't otherwise referenced in this file, is correctly
|
||
regarded as global symbol, so that it's resolved by other object files
|
||
or libraries. We chose getenv here, which isn't used anywhere else
|
||
in this file. (If we used e.g. printf, which is used we already
|
||
would have a global symbol entry, not triggering the bug which is
|
||
tested here). */
|
||
/* two pushes so stack remains aligned */
|
||
asm volatile ("push %%rdi; push %%rdi; mov %0, %%rdi;"
|
||
#if 1 && !defined(__TINYC__) && (defined(__PIC__) || defined(__PIE__))
|
||
"call getenv@plt;"
|
||
#else
|
||
"call getenv;"
|
||
#endif
|
||
"pop %%rdi; pop %%rdi"
|
||
: "=a" (s) : "r" (str));
|
||
printf("asmd: %s\n", s);
|
||
#endif
|
||
}
|
||
|
||
#if defined __x86_64__
|
||
# define RX "(%rip)"
|
||
#else
|
||
# define RX
|
||
#endif
|
||
|
||
void asm_dot_test(void)
|
||
{
|
||
int x;
|
||
for (x = 1;; ++x) {
|
||
int r = x;
|
||
switch (x) {
|
||
case 1:
|
||
asm(".text; lea S"RX",%eax; lea ."RX",%ecx; sub %ecx,%eax; S=.; jmp p0");
|
||
case 2:
|
||
asm(".text; jmp .+6; .int 123; mov .-4"RX",%eax; jmp p0");
|
||
case 3:
|
||
asm(".data; Y=.; .int 999; X=Y; .int 456; X=.-4");
|
||
asm(".text; mov X"RX",%eax; jmp p0");
|
||
case 4:
|
||
asm(".data; X=.; .int 789; Y=.; .int 999");
|
||
asm(".text; mov X"RX",%eax; X=Y; jmp p0");
|
||
case 0:
|
||
asm(".text; p0=.; mov %%eax,%0;" : "=m"(r)); break;
|
||
}
|
||
if (r == x)
|
||
break;
|
||
printf("asm_dot_test %d: %d\n", x, r);
|
||
}
|
||
}
|
||
|
||
void asm_test(void)
|
||
{
|
||
char buf[128];
|
||
unsigned int val, val2;
|
||
struct struct123 s1;
|
||
struct struct1231 s2 = { (unsigned long)&s1 };
|
||
/* Hide the outer base_func, but check later that the inline
|
||
asm block gets the outer one. */
|
||
int base_func = 42;
|
||
void override_func3 (void);
|
||
unsigned long asmret;
|
||
#ifdef BOOL_ISOC99
|
||
_Bool somebool;
|
||
#endif
|
||
register int regvar asm("%esi");
|
||
|
||
printf("inline asm:\n");
|
||
|
||
// parse 0x1E-1 as 3 tokens in asm mode
|
||
asm volatile ("mov $0x1E-1,%eax");
|
||
|
||
/* test the no operand case */
|
||
asm volatile ("xorl %eax, %eax");
|
||
|
||
memcpy1(buf, "hello", 6);
|
||
strncat1(buf, " worldXXXXX", 3);
|
||
printf("%s\n", buf);
|
||
|
||
memcpy2(buf, "hello", 6);
|
||
strncat2(buf, " worldXXXXX", 3);
|
||
printf("%s\n", buf);
|
||
|
||
/* 'A' constraint test */
|
||
printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
|
||
printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
|
||
|
||
s1.a = 42;
|
||
s1.b = 43;
|
||
printf("mconstraint: %d", mconstraint_test(&s2));
|
||
printf(" %d %d\n", s1.a, s1.b);
|
||
other_constraints_test();
|
||
set = 0xff;
|
||
sigdelset1(&set, 2);
|
||
sigaddset1(&set, 16);
|
||
/* NOTE: we test here if C labels are correctly restored after the
|
||
asm statement */
|
||
goto label1;
|
||
label2:
|
||
__asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
|
||
printf("set=0x%x\n", set);
|
||
val = 0x01020304;
|
||
printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
|
||
#ifndef _WIN32
|
||
override_func1();
|
||
override_func2();
|
||
/* The base_func ref from the following inline asm should find
|
||
the global one, not the local decl from this function. */
|
||
asm volatile(".weak override_func3\n.set override_func3, base_func");
|
||
override_func3();
|
||
printf("asmstr: %s\n", get_asm_string());
|
||
asm_local_label_diff();
|
||
asm_local_statics();
|
||
#endif
|
||
/* Check that we can also load structs of appropriate layout
|
||
into registers. */
|
||
asm volatile("" : "=r" (asmret) : "0"(s2));
|
||
if (asmret != s2.addr)
|
||
printf("asmstr: failed\n");
|
||
#ifdef BOOL_ISOC99
|
||
/* Check that the typesize correctly sets the register size to
|
||
8 bit. */
|
||
asm volatile("cmp %1,%2; sete %0" : "=a"(somebool) : "r"(1), "r"(2));
|
||
if (!somebool)
|
||
printf("asmbool: failed\n");
|
||
#endif
|
||
val = 43;
|
||
fancy_copy (&val, &val2);
|
||
printf ("fancycpy(%d)=%d\n", val, val2);
|
||
val = 44;
|
||
fancy_copy2 (&val, &val2);
|
||
printf ("fancycpy2(%d)=%d\n", val, val2);
|
||
asm volatile ("mov $0x4243, %%esi" : "=r" (regvar));
|
||
printf ("regvar=%x\n", regvar);
|
||
test_high_clobbers();
|
||
trace_console(8, 8);
|
||
test_asm_dead_code();
|
||
test_asm_call();
|
||
asm_dot_test();
|
||
return;
|
||
label1:
|
||
goto label2;
|
||
}
|
||
|
||
#else
|
||
|
||
void asm_test(void)
|
||
{
|
||
}
|
||
|
||
#endif
|
||
|
||
#define COMPAT_TYPE(type1, type2) \
|
||
{\
|
||
printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
|
||
__builtin_types_compatible_p (type1, type2));\
|
||
}
|
||
|
||
int constant_p_var;
|
||
|
||
void builtin_test(void)
|
||
{
|
||
short s;
|
||
int i;
|
||
long long ll;
|
||
#if GCC_MAJOR >= 3
|
||
COMPAT_TYPE(int, int);
|
||
COMPAT_TYPE(int, unsigned int);
|
||
COMPAT_TYPE(int, char);
|
||
COMPAT_TYPE(int, const int);
|
||
COMPAT_TYPE(int, volatile int);
|
||
COMPAT_TYPE(int *, int *);
|
||
COMPAT_TYPE(int *, void *);
|
||
COMPAT_TYPE(int *, const int *);
|
||
COMPAT_TYPE(char *, unsigned char *);
|
||
COMPAT_TYPE(char *, signed char *);
|
||
COMPAT_TYPE(char *, char *);
|
||
/* space is needed because tcc preprocessor introduces a space between each token */
|
||
COMPAT_TYPE(char * *, void *);
|
||
#endif
|
||
printf("res = %d\n", __builtin_constant_p(1));
|
||
printf("res = %d\n", __builtin_constant_p(1 + 2));
|
||
printf("res = %d\n", __builtin_constant_p(&constant_p_var));
|
||
printf("res = %d\n", __builtin_constant_p(constant_p_var));
|
||
printf("res = %d\n", __builtin_constant_p(100000 / constant_p_var));
|
||
s = 1;
|
||
ll = 2;
|
||
i = __builtin_choose_expr (1 != 0, ll, s);
|
||
printf("bce: %d\n", i);
|
||
i = __builtin_choose_expr (1 != 1, ll, s);
|
||
printf("bce: %d\n", i);
|
||
i = sizeof (__builtin_choose_expr (1, ll, s));
|
||
printf("bce: %d\n", i);
|
||
i = sizeof (__builtin_choose_expr (0, ll, s));
|
||
printf("bce: %d\n", i);
|
||
|
||
//printf("bera: %p\n", __builtin_extract_return_addr((void*)43));
|
||
}
|
||
|
||
#ifndef _WIN32
|
||
extern int __attribute__((weak)) weak_f1(void);
|
||
extern int __attribute__((weak)) weak_f2(void);
|
||
extern int weak_f3(void);
|
||
extern int __attribute__((weak)) weak_v1;
|
||
extern int __attribute__((weak)) weak_v2;
|
||
extern int weak_v3;
|
||
|
||
extern int (*weak_fpa)() __attribute__((weak));
|
||
extern int __attribute__((weak)) (*weak_fpb)();
|
||
extern __attribute__((weak)) int (*weak_fpc)();
|
||
|
||
extern int weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
|
||
extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x") ;
|
||
extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
|
||
extern int weak_asm_v1 asm("weak_asm_v1x") __attribute((weak));
|
||
extern int __attribute((weak)) weak_asm_v2 asm("weak_asm_v2x") ;
|
||
extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
|
||
|
||
static const size_t dummy = 0;
|
||
extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
|
||
extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
|
||
extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
|
||
|
||
int some_lib_func(void);
|
||
int dummy_impl_of_slf(void) { return 444; }
|
||
int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
|
||
|
||
int weak_toolate() __attribute__((weak));
|
||
int weak_toolate() { return 0; }
|
||
|
||
void __attribute__((weak)) weak_test(void)
|
||
{
|
||
printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
|
||
printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
|
||
printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
|
||
printf("weak_v1=%d\n",&weak_v1 ? weak_v1 : 123);
|
||
printf("weak_v2=%d\n",&weak_v2 ? weak_v2 : 123);
|
||
printf("weak_v3=%d\n",&weak_v3 ? weak_v3 : 123);
|
||
|
||
printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
|
||
printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
|
||
printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
|
||
|
||
printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
|
||
printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
|
||
printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
|
||
printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
|
||
printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
|
||
printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
|
||
printf("some_lib_func=%d\n", &some_lib_func ? some_lib_func() : 0);
|
||
}
|
||
|
||
int __attribute__((weak)) weak_f2() { return 222; }
|
||
int __attribute__((weak)) weak_f3() { return 333; }
|
||
int __attribute__((weak)) weak_v2 = 222;
|
||
int __attribute__((weak)) weak_v3 = 333;
|
||
#endif
|
||
|
||
void const_func(const int a)
|
||
{
|
||
}
|
||
|
||
void const_warn_test(void)
|
||
{
|
||
const_func(1);
|
||
}
|
||
|
||
struct condstruct {
|
||
int i;
|
||
};
|
||
|
||
int getme (struct condstruct *s, int i)
|
||
{
|
||
int i1 = (i == 0 ? 0 : s)->i;
|
||
int i2 = (i == 0 ? s : 0)->i;
|
||
int i3 = (i == 0 ? (void*)0 : s)->i;
|
||
int i4 = (i == 0 ? s : (void*)0)->i;
|
||
return i1 + i2 + i3 + i4;
|
||
}
|
||
|
||
struct global_data
|
||
{
|
||
int a[40];
|
||
int *b[40];
|
||
};
|
||
|
||
struct global_data global_data;
|
||
|
||
int global_data_getstuff (int *, int);
|
||
|
||
void global_data_callit (int i)
|
||
{
|
||
*global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
|
||
}
|
||
|
||
int global_data_getstuff (int *p, int i)
|
||
{
|
||
return *p + i;
|
||
}
|
||
|
||
void global_data_test (void)
|
||
{
|
||
global_data.a[0] = 42;
|
||
global_data.b[0] = &global_data.a[0];
|
||
global_data_callit (0);
|
||
printf ("%d\n", global_data.a[0]);
|
||
}
|
||
|
||
struct cmpcmpS
|
||
{
|
||
unsigned char fill : 3;
|
||
unsigned char b1 : 1;
|
||
unsigned char b2 : 1;
|
||
unsigned char fill2 : 3;
|
||
};
|
||
|
||
int glob1, glob2, glob3;
|
||
|
||
void compare_comparisons (struct cmpcmpS *s)
|
||
{
|
||
if (s->b1 != (glob1 == glob2)
|
||
|| (s->b2 != (glob1 == glob3)))
|
||
printf ("comparing comparisons broken\n");
|
||
}
|
||
|
||
void cmp_comparison_test(void)
|
||
{
|
||
struct cmpcmpS s;
|
||
s.b1 = 1;
|
||
glob1 = 42; glob2 = 42;
|
||
s.b2 = 0;
|
||
glob3 = 43;
|
||
compare_comparisons (&s);
|
||
}
|
||
|
||
int fcompare (double a, double b, int code)
|
||
{
|
||
switch (code) {
|
||
case 0: return a == b;
|
||
case 1: return a != b;
|
||
case 2: return a < b;
|
||
case 3: return a >= b;
|
||
case 4: return a > b;
|
||
case 5: return a <= b;
|
||
}
|
||
}
|
||
|
||
void math_cmp_test(void)
|
||
{
|
||
double nan = 0.0/0.0;
|
||
double one = 1.0;
|
||
double two = 2.0;
|
||
int comp = 0;
|
||
#define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
|
||
|
||
/* This asserts that "a op b" is _not_ true, but "a iop b" is true.
|
||
And it does this in various ways so that all code generation paths
|
||
are checked (generating inverted tests, or non-inverted tests, or
|
||
producing a 0/1 value without jumps (that's done in the fcompare
|
||
function). */
|
||
#define FCMP(a,b,op,iop,code) \
|
||
if (fcompare (a,b,code)) \
|
||
bug (a,b,op,iop,1); \
|
||
if (a op b) \
|
||
bug (a,b,op,iop,2); \
|
||
if (a iop b) \
|
||
; \
|
||
else \
|
||
bug (a,b,op,iop,3); \
|
||
if ((a op b) || comp) \
|
||
bug (a,b,op,iop,4); \
|
||
if ((a iop b) || comp) \
|
||
; \
|
||
else \
|
||
bug (a,b,op,iop,5);
|
||
|
||
/* Equality tests. */
|
||
FCMP(nan, nan, ==, !=, 0);
|
||
FCMP(one, two, ==, !=, 0);
|
||
FCMP(one, one, !=, ==, 1);
|
||
/* Non-equality is a bit special. */
|
||
if (!fcompare (nan, nan, 1))
|
||
bug (nan, nan, !=, ==, 6);
|
||
|
||
/* Relational tests on numbers. */
|
||
FCMP(two, one, <, >=, 2);
|
||
FCMP(one, two, >=, <, 3);
|
||
FCMP(one, two, >, <=, 4);
|
||
FCMP(two, one, <=, >, 5);
|
||
|
||
/* Relational tests on NaNs. Note that the inverse op here is
|
||
always !=, there's no operator in C that is equivalent to !(a < b),
|
||
when NaNs are involved, same for the other relational ops. */
|
||
FCMP(nan, nan, <, !=, 2);
|
||
FCMP(nan, nan, >=, !=, 3);
|
||
FCMP(nan, nan, >, !=, 4);
|
||
FCMP(nan, nan, <=, !=, 5);
|
||
}
|
||
|
||
double get100 () { return 100.0; }
|
||
|
||
void callsave_test(void)
|
||
{
|
||
#if defined __i386__ || defined __x86_64__ || defined __arm__
|
||
int i, s; double *d; double t;
|
||
s = sizeof (double);
|
||
printf ("callsavetest: %d\n", s);
|
||
d = alloca (sizeof(double));
|
||
d[0] = 10.0;
|
||
/* x86-64 had a bug were the next call to get100 would evict
|
||
the lvalue &d[0] as VT_LLOCAL, and the reload would be done
|
||
in int type, not pointer type. When alloca returns a pointer
|
||
with the high 32 bit set (which is likely on x86-64) the access
|
||
generates a segfault. */
|
||
i = d[0] > get100 ();
|
||
printf ("%d\n", i);
|
||
#endif
|
||
}
|
||
|
||
|
||
void bfa3(ptrdiff_t str_offset)
|
||
{
|
||
printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
|
||
}
|
||
void bfa2(ptrdiff_t str_offset)
|
||
{
|
||
printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
|
||
bfa3(str_offset);
|
||
}
|
||
void bfa1(ptrdiff_t str_offset)
|
||
{
|
||
printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
|
||
bfa2(str_offset);
|
||
}
|
||
|
||
void builtin_frame_address_test(void)
|
||
{
|
||
/* builtin_frame_address fails on ARM with gcc which make test3 fail */
|
||
#ifndef __arm__
|
||
char str[] = "__builtin_frame_address";
|
||
char *fp0 = __builtin_frame_address(0);
|
||
|
||
printf("str: %s\n", str);
|
||
bfa1(str-fp0);
|
||
#endif
|
||
}
|
||
|
||
char via_volatile (char i)
|
||
{
|
||
char volatile vi;
|
||
vi = i;
|
||
return vi;
|
||
}
|
||
|
||
struct __attribute__((__packed__)) Spacked {
|
||
char a;
|
||
short b;
|
||
int c;
|
||
};
|
||
struct Spacked spacked;
|
||
typedef struct __attribute__((__packed__)) {
|
||
char a;
|
||
short b;
|
||
int c;
|
||
} Spacked2;
|
||
Spacked2 spacked2;
|
||
typedef struct Spacked3_s {
|
||
char a;
|
||
short b;
|
||
int c;
|
||
} __attribute__((__packed__)) Spacked3;
|
||
Spacked3 spacked3;
|
||
struct gate_struct64 {
|
||
unsigned short offset_low;
|
||
unsigned short segment;
|
||
unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
|
||
unsigned short offset_middle;
|
||
unsigned offset_high;
|
||
unsigned zero1;
|
||
} __attribute__((packed));
|
||
typedef struct gate_struct64 gate_desc;
|
||
gate_desc a_gate_desc;
|
||
void attrib_test(void)
|
||
{
|
||
#ifndef _WIN32
|
||
printf("attr: %d %d %d %d\n", sizeof(struct Spacked),
|
||
sizeof(spacked), sizeof(Spacked2), sizeof(spacked2));
|
||
printf("attr: %d %d\n", sizeof(Spacked3), sizeof(spacked3));
|
||
printf("attr: %d %d\n", sizeof(gate_desc), sizeof(a_gate_desc));
|
||
#endif
|
||
}
|
||
extern __attribute__((__unused__)) char * __attribute__((__unused__)) *
|
||
strange_attrib_placement (void);
|
||
|
||
void * __attribute__((__unused__)) get_void_ptr (void *a)
|
||
{
|
||
return a;
|
||
}
|
||
|
||
/* This part checks for a bug in TOK_GET (used for inline expansion),
|
||
where the large long long constant left the the high bits set for
|
||
the integer constant token. */
|
||
static inline
|
||
int __get_order(unsigned long long size)
|
||
{
|
||
int order;
|
||
size -= 0xffff880000000000ULL; // this const left high bits set in the token
|
||
{
|
||
struct S { int i : 1; } s; // constructed for this '1'
|
||
}
|
||
order = size;
|
||
return order;
|
||
}
|
||
|
||
/* This just forces the above inline function to be actually emitted. */
|
||
int force_get_order(unsigned long s)
|
||
{
|
||
return __get_order(s);
|
||
}
|