forked from Mirrors/tinycc
1946 lines
38 KiB
C
1946 lines
38 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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/* __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"
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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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/* gcc 3.2 does not accept that (bug ?) */
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//#include TCCLIB_INC3 ".h"
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#include <tcclib.h>
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#include "tcclib.h"
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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 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 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 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 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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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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#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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#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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#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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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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#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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#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 220 "tcctest.c"
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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=%Ld\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 substituion 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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}
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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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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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void ps(const char *s)
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{
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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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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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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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}
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printf("\n");
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printf("fib=%d\n", fib(33));
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b = 262144;
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while (b != 0x80000000) {
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num(b);
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b = b * 2;
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}
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}
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void loop_test()
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{
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int i;
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i = 0;
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while (i < 10)
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printf("%d", i++);
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printf("\n");
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for(i = 0; i < 10;i++)
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printf("%d", i);
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printf("\n");
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i = 0;
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do {
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printf("%d", i++);
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} while (i < 10);
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printf("\n");
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/* break/continue tests */
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i = 0;
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while (1) {
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if (i == 6)
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break;
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i++;
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if (i == 3)
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continue;
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printf("%d", i);
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}
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printf("\n");
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/* break/continue tests */
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i = 0;
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do {
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if (i == 6)
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break;
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i++;
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if (i == 3)
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continue;
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printf("%d", i);
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} while(1);
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printf("\n");
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for(i = 0;i < 10;i++) {
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if (i == 3)
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continue;
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printf("%d", i);
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}
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printf("\n");
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}
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void goto_test()
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{
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int i;
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static void *label_table[3] = { &&label1, &&label2, &&label3 };
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printf("goto:\n");
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i = 0;
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s_loop:
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if (i >= 10)
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goto s_end;
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printf("%d", i);
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i++;
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goto s_loop;
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s_end:
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printf("\n");
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/* we also test computed gotos (GCC extension) */
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for(i=0;i<3;i++) {
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goto *label_table[i];
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label1:
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printf("label1\n");
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goto next;
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label2:
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printf("label2\n");
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goto next;
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label3:
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printf("label3\n");
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next: ;
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}
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}
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enum {
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E0,
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E1 = 2,
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E2 = 4,
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E3,
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E4,
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};
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enum test {
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E5 = 1000,
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};
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void enum_test()
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{
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enum test b1;
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printf("enum:\n%d %d %d %d %d %d\n",
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E0, E1, E2, E3, E4, E5);
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b1 = 1;
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printf("b1=%d\n", b1);
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}
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typedef int *my_ptr;
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void typedef_test()
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{
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my_ptr a;
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int b;
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a = &b;
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*a = 1234;
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printf("typedef:\n");
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printf("a=%d\n", *a);
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}
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void forward_test()
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{
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printf("forward:\n");
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forward_ref();
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forward_ref();
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}
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void forward_ref(void)
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{
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printf("forward ok\n");
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}
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typedef struct struct1 {
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int f1;
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int f2, f3;
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union union1 {
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int v1;
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int v2;
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} u;
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char str[3];
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} struct1;
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struct struct2 {
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int a;
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char b;
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};
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union union2 {
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int w1;
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int w2;
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};
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struct struct1 st1, st2;
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int main(int argc, char **argv)
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{
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string_test();
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expr_test();
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macro_test();
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scope_test();
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forward_test();
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funcptr_test();
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loop_test();
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switch_test();
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goto_test();
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enum_test();
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typedef_test();
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struct_test();
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array_test();
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expr_ptr_test();
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bool_test();
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expr2_test();
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constant_expr_test();
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expr_cmp_test();
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char_short_test();
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init_test();
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compound_literal_test();
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kr_test();
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struct_assign_test();
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cast_test();
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bitfield_test();
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c99_bool_test();
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float_test();
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longlong_test();
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stdarg_test();
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whitespace_test();
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relocation_test();
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old_style_function();
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sizeof_test();
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typeof_test();
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statement_expr_test();
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local_label_test();
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asm_test();
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builtin_test();
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return 0;
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}
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int tab[3];
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int tab2[3][2];
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int g;
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void f1(g)
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{
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printf("g1=%d\n", g);
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}
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void scope_test()
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{
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printf("scope:\n");
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g = 2;
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f1(1);
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printf("g2=%d\n", g);
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{
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int g;
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g = 3;
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printf("g3=%d\n", g);
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{
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int g;
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g = 4;
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printf("g4=%d\n", g);
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}
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}
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printf("g5=%d\n", g);
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}
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void array_test(int a[4])
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{
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int i, j;
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printf("array:\n");
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printf("sizeof(a) = %d\n", sizeof(a));
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printf("sizeof(\"a\") = %d\n", sizeof("a"));
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#ifdef C99_MACROS
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printf("sizeof(__func__) = %d\n", sizeof(__func__));
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#endif
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printf("sizeof tab %d\n", sizeof(tab));
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printf("sizeof tab2 %d\n", sizeof tab2);
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tab[0] = 1;
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tab[1] = 2;
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tab[2] = 3;
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printf("%d %d %d\n", tab[0], tab[1], tab[2]);
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for(i=0;i<3;i++)
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for(j=0;j<2;j++)
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tab2[i][j] = 10 * i + j;
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for(i=0;i<3*2;i++) {
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printf(" %3d", ((int *)tab2)[i]);
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}
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printf("\n");
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}
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void expr_test()
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{
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int a, b;
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a = 0;
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printf("%d\n", a += 1);
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printf("%d\n", a -= 2);
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printf("%d\n", a *= 31232132);
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printf("%d\n", a /= 4);
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printf("%d\n", a %= 20);
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printf("%d\n", a &= 6);
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printf("%d\n", a ^= 7);
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printf("%d\n", a |= 8);
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printf("%d\n", a >>= 3);
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printf("%d\n", a <<= 4);
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a = 22321;
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b = -22321;
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printf("%d\n", a + 1);
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printf("%d\n", a - 2);
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printf("%d\n", a * 312);
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printf("%d\n", a / 4);
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printf("%d\n", b / 4);
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printf("%d\n", (unsigned)b / 4);
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printf("%d\n", a % 20);
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printf("%d\n", b % 20);
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printf("%d\n", (unsigned)b % 20);
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printf("%d\n", a & 6);
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printf("%d\n", a ^ 7);
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printf("%d\n", a | 8);
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printf("%d\n", a >> 3);
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printf("%d\n", b >> 3);
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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;
|
||
|
||
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);
|
||
}
|
||
|
||
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];
|
||
};
|
||
|
||
void struct_test()
|
||
{
|
||
struct1 *s;
|
||
union union2 u;
|
||
|
||
printf("struct:\n");
|
||
printf("sizes: %d %d %d %d\n",
|
||
sizeof(struct struct1),
|
||
sizeof(struct struct2),
|
||
sizeof(union union1),
|
||
sizeof(union union2));
|
||
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));
|
||
|
||
/* empty structures (GCC extension) */
|
||
printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
|
||
printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
|
||
}
|
||
|
||
/* 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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
}
|
||
|
||
/* 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");
|
||
}
|
||
|
||
/* structure assignment tests */
|
||
struct structa1 {
|
||
int f1;
|
||
char f2;
|
||
};
|
||
|
||
struct structa1 ssta1;
|
||
|
||
void struct_assign_test1(struct structa1 s1, int t)
|
||
{
|
||
printf("%d %d %d\n", s1.f1, s1.f2, t);
|
||
}
|
||
|
||
struct structa1 struct_assign_test2(struct structa1 s1, int t)
|
||
{
|
||
s1.f1 += t;
|
||
s1.f2 -= t;
|
||
return s1;
|
||
}
|
||
|
||
void struct_assign_test(void)
|
||
{
|
||
struct structa1 lsta1, lsta2;
|
||
|
||
#if 0
|
||
printf("struct_assign_test:\n");
|
||
|
||
lsta1.f1 = 1;
|
||
lsta1.f2 = 2;
|
||
printf("%d %d\n", lsta1.f1, lsta1.f2);
|
||
lsta2 = lsta1;
|
||
printf("%d %d\n", lsta2.f1, lsta2.f2);
|
||
#else
|
||
lsta2.f1 = 1;
|
||
lsta2.f2 = 2;
|
||
#endif
|
||
struct_assign_test1(lsta2, 3);
|
||
|
||
printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
|
||
lsta2 = struct_assign_test2(lsta2, 4);
|
||
printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
|
||
}
|
||
|
||
/* 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];
|
||
|
||
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 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'));
|
||
}
|
||
|
||
/* 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,
|
||
};
|
||
|
||
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);
|
||
|
||
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");
|
||
}
|
||
|
||
|
||
void switch_test()
|
||
{
|
||
int i;
|
||
|
||
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;
|
||
}
|
||
}
|
||
printf("\n");
|
||
}
|
||
|
||
/* 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;
|
||
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);
|
||
}
|
||
|
||
#define FTEST(prefix, 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);\
|
||
}\
|
||
void prefix ## fcast(type a)\
|
||
{\
|
||
float fa;\
|
||
double da;\
|
||
long double la;\
|
||
int ia;\
|
||
unsigned int ua;\
|
||
type b;\
|
||
fa = a;\
|
||
da = a;\
|
||
la = a;\
|
||
printf("ftof: %f %f %Lf\n", fa, da, la);\
|
||
ia = (int)a;\
|
||
ua = (unsigned int)a;\
|
||
printf("ftoi: %d %u\n", ia, ua);\
|
||
ia = -1234;\
|
||
ua = 0x81234500;\
|
||
b = ia;\
|
||
printf("itof: " fmt "\n", b);\
|
||
b = ua;\
|
||
printf("utof: " fmt "\n", b);\
|
||
}\
|
||
\
|
||
void prefix ## test(void)\
|
||
{\
|
||
printf("testing '%s'\n", #type);\
|
||
prefix ## cmp(1, 2.5);\
|
||
prefix ## cmp(2, 1.5);\
|
||
prefix ## cmp(1, 1);\
|
||
prefix ## fcast(234.6);\
|
||
prefix ## fcast(-2334.6);\
|
||
}
|
||
|
||
FTEST(f, float, "%f")
|
||
FTEST(d, double, "%f")
|
||
FTEST(ld, long double, "%Lf")
|
||
|
||
double ftab1[3] = { 1.2, 3.4, -5.6 };
|
||
|
||
|
||
void float_test(void)
|
||
{
|
||
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);
|
||
}
|
||
|
||
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;
|
||
|
||
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);
|
||
}
|
||
|
||
void lloptest(long long a, long long b)
|
||
{
|
||
unsigned long long ua, ub;
|
||
|
||
ua = a;
|
||
ub = b;
|
||
/* arith */
|
||
printf("arith: %Ld %Ld %Ld\n",
|
||
a + b,
|
||
a - b,
|
||
a * b);
|
||
|
||
if (b != 0) {
|
||
printf("arith1: %Ld %Ld\n",
|
||
a / b,
|
||
a % b);
|
||
}
|
||
|
||
/* binary */
|
||
printf("bin: %Ld %Ld %Ld\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: %Ld %Ld\n", a, b);
|
||
printf("arith2: %Ld %Ld\n", a++, b++);
|
||
printf("arith2: %Ld %Ld\n", --a, --b);
|
||
printf("arith2: %Ld %Ld\n", a, b);
|
||
}
|
||
|
||
void llshift(long long a, int b)
|
||
{
|
||
printf("shift: %Ld %Ld %Ld\n",
|
||
(unsigned long long)a >> b,
|
||
a >> b,
|
||
a << b);
|
||
printf("shiftc: %Ld %Ld %Ld\n",
|
||
(unsigned long long)a >> 3,
|
||
a >> 3,
|
||
a << 3);
|
||
printf("shiftc: %Ld %Ld %Ld\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=%Ld ula=%Lu\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: %Ld %Ld %Ld\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: %Lu %Lu %Lu\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);
|
||
}
|
||
|
||
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("%Ld %Ld\n", a, b);
|
||
printf("%Ld %Ld %Ld %Lx\n",
|
||
(long long)1,
|
||
(long long)-2,
|
||
1LL,
|
||
0x1234567812345679);
|
||
a = llfunc1(-3);
|
||
printf("%Ld\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);
|
||
}
|
||
|
||
void vprintf1(const char *fmt, ...)
|
||
{
|
||
va_list ap;
|
||
const char *p;
|
||
int c, i;
|
||
double d;
|
||
long long ll;
|
||
|
||
va_start(ap, fmt);
|
||
|
||
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("%Ld", ll);
|
||
break;
|
||
}
|
||
p++;
|
||
} else {
|
||
putchar(c);
|
||
}
|
||
}
|
||
the_end:
|
||
va_end(ap);
|
||
}
|
||
|
||
|
||
void stdarg_test(void)
|
||
{
|
||
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);
|
||
}
|
||
|
||
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);
|
||
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
|
||
"));
|
||
}
|
||
|
||
int reltab[3] = { 1, 2, 3 };
|
||
|
||
int *rel1 = &reltab[1];
|
||
int *rel2 = &reltab[2];
|
||
|
||
void relocation_test(void)
|
||
{
|
||
printf("*rel1=%d\n", *rel1);
|
||
printf("*rel2=%d\n", *rel2);
|
||
}
|
||
|
||
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 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(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));
|
||
|
||
/* 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());
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
void statement_expr_test(void)
|
||
{
|
||
int a, i;
|
||
|
||
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);
|
||
|
||
}
|
||
|
||
void local_label_test(void)
|
||
{
|
||
int a;
|
||
goto l1;
|
||
l2:
|
||
a = 1 + ({
|
||
__label__ l1, l2, l3;
|
||
goto l4;
|
||
l5:
|
||
printf("aa1\n");
|
||
goto l1;
|
||
l2:
|
||
printf("aa3\n");
|
||
goto l3;
|
||
l1:
|
||
printf("aa2\n");
|
||
goto l2;
|
||
l3:;
|
||
1;
|
||
});
|
||
printf("a=%d\n", a);
|
||
return;
|
||
l1:
|
||
printf("bb1\n");
|
||
goto l2;
|
||
l4:
|
||
printf("bb2\n");
|
||
goto l5;
|
||
}
|
||
|
||
/* inline assembler test */
|
||
#ifdef __i386__
|
||
|
||
/* from linux kernel */
|
||
static char * strncat1(char * dest,const char * src,size_t count)
|
||
{
|
||
int d0, d1, d2, d3;
|
||
__asm__ __volatile__(
|
||
"repne\n\t"
|
||
"scasb\n\t"
|
||
"decl %1\n\t"
|
||
"movl %8,%3\n"
|
||
"1:\tdecl %3\n\t"
|
||
"js 2f\n\t"
|
||
"lodsb\n\t"
|
||
"stosb\n\t"
|
||
"testb %%al,%%al\n\t"
|
||
"jne 1b\n"
|
||
"2:\txorl %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)
|
||
{
|
||
int 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 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");
|
||
}
|
||
|
||
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;
|
||
__asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
|
||
return res;
|
||
}
|
||
|
||
static __inline__ unsigned long long inc64(unsigned long long a)
|
||
{
|
||
unsigned long long res;
|
||
__asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
|
||
return res;
|
||
}
|
||
|
||
unsigned int set;
|
||
|
||
void asm_test(void)
|
||
{
|
||
char buf[128];
|
||
unsigned int val;
|
||
|
||
printf("inline asm:\n");
|
||
/* test the no operand case */
|
||
asm volatile ("xorl %eax, %eax");
|
||
|
||
memcpy1(buf, "hello", 6);
|
||
strncat1(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));
|
||
|
||
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));
|
||
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)
|
||
{
|
||
#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 *);
|
||
/* 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));
|
||
}
|