From ea5e81bd6a3376232bf4747b2fa2e0a91c19b337 Mon Sep 17 00:00:00 2001 From: grischka Date: Sat, 18 Apr 2009 14:28:45 +0200 Subject: new subdirs: include, lib, tests --- tests/tcctest.c | 2188 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2188 insertions(+) create mode 100644 tests/tcctest.c (limited to 'tests/tcctest.c') diff --git a/tests/tcctest.c b/tests/tcctest.c new file mode 100644 index 0000000..6c40245 --- /dev/null +++ b/tests/tcctest.c @@ -0,0 +1,2188 @@ +/* + * TCC auto test program + */ +#include "config.h" + +#if GCC_MAJOR >= 3 + +/* Unfortunately, gcc version < 3 does not handle that! */ +#define ALL_ISOC99 + +/* only gcc 3 handles _Bool correctly */ +#define BOOL_ISOC99 + +/* gcc 2.95.3 does not handle correctly CR in strings or after strays */ +#define CORRECT_CR_HANDLING + +#endif + +/* deprecated and no longer supported in gcc 3.3 */ +//#define ACCEPT_CR_IN_STRINGS + +/* __VA_ARGS__ and __func__ support */ +#define C99_MACROS + +/* test various include syntaxes */ + +#define TCCLIB_INC +#define TCCLIB_INC1 +#define TCCLIB_INC3 "tcclib" + +#include TCCLIB_INC + +#include TCCLIB_INC1.TCCLIB_INC2 + +#include TCCLIB_INC1.h> + +/* gcc 3.2 does not accept that (bug ?) */ +//#include TCCLIB_INC3 ".h" + +#include + +#include "tcclib.h" + +void string_test(); +void expr_test(); +void macro_test(); +void scope_test(); +void forward_test(); +void funcptr_test(); +void loop_test(); +void switch_test(); +void goto_test(); +void enum_test(); +void typedef_test(); +void struct_test(); +void array_test(); +void expr_ptr_test(); +void bool_test(); +void expr2_test(); +void constant_expr_test(); +void expr_cmp_test(); +void char_short_test(); +void init_test(void); +void compound_literal_test(void); +int kr_test(); +void struct_assign_test(void); +void cast_test(void); +void bitfield_test(void); +void c99_bool_test(void); +void float_test(void); +void longlong_test(void); +void manyarg_test(void); +void stdarg_test(void); +void whitespace_test(void); +void relocation_test(void); +void old_style_function(void); +void sizeof_test(void); +void typeof_test(void); +void local_label_test(void); +void statement_expr_test(void); +void asm_test(void); +void builtin_test(void); + +int fib(int n); +void num(int n); +void forward_ref(void); +int isid(int c); + +#define A 2 +#define N 1234 + A +#define pf printf +#define M1(a, b) (a) + (b) + +#define str\ +(s) # s +#define glue(a, b) a ## b +#define xglue(a, b) glue(a, b) +#define HIGHLOW "hello" +#define LOW LOW ", world" + +#define min(a, b) ((a) < (b) ? (a) : (b)) + +#ifdef C99_MACROS +#define dprintf(level,...) printf(__VA_ARGS__) +#endif + +/* gcc vararg macros */ +#define dprintf1(level, fmt, args...) printf(fmt, ## args) + +#define MACRO_NOARGS() + +#define AAA 3 +#undef AAA +#define AAA 4 + +#if 1 +#define B3 1 +#elif 1 +#define B3 2 +#elif 0 +#define B3 3 +#else +#define B3 4 +#endif + +#define __INT64_C(c) c ## LL +#define INT64_MIN (-__INT64_C(9223372036854775807)-1) + +int qq(int x) +{ + return x + 40; +} +#define qq(x) x + +#define spin_lock(lock) do { } while (0) +#define wq_spin_lock spin_lock +#define TEST2() wq_spin_lock(a) + +void macro_test(void) +{ + printf("macro:\n"); + pf("N=%d\n", N); + printf("aaa=%d\n", AAA); + + printf("min=%d\n", min(1, min(2, -1))); + + printf("s1=%s\n", glue(HIGH, LOW)); + printf("s2=%s\n", xglue(HIGH, LOW)); + printf("s3=%s\n", str("c")); + printf("s4=%s\n", str(a1)); + printf("B3=%d\n", B3); + +#ifdef A + printf("A defined\n"); +#endif +#ifdef B + printf("B defined\n"); +#endif +#ifdef A + printf("A defined\n"); +#else + printf("A not defined\n"); +#endif +#ifdef B + printf("B defined\n"); +#else + printf("B not defined\n"); +#endif + +#ifdef A + printf("A defined\n"); +#ifdef B + printf("B1 defined\n"); +#else + printf("B1 not defined\n"); +#endif +#else + printf("A not defined\n"); +#ifdef B + printf("B2 defined\n"); +#else + printf("B2 not defined\n"); +#endif +#endif + +#if 1+1 + printf("test true1\n"); +#endif +#if 0 + printf("test true2\n"); +#endif +#if 1-1 + printf("test true3\n"); +#endif +#if defined(A) + printf("test trueA\n"); +#endif +#if defined(B) + printf("test trueB\n"); +#endif + +#if 0 + printf("test 0\n"); +#elif 0 + printf("test 1\n"); +#elif 2 + printf("test 2\n"); +#else + printf("test 3\n"); +#endif + + MACRO_NOARGS(); + +#ifdef __LINE__ + printf("__LINE__ defined\n"); +#endif + + printf("__LINE__=%d __FILE__=%s\n", + __LINE__, __FILE__); +#line 200 + printf("__LINE__=%d __FILE__=%s\n", + __LINE__, __FILE__); +#line 203 "test" + printf("__LINE__=%d __FILE__=%s\n", + __LINE__, __FILE__); +#line 227 "tcctest.c" + + /* not strictly preprocessor, but we test it there */ +#ifdef C99_MACROS + printf("__func__ = %s\n", __func__); + dprintf(1, "vaarg=%d\n", 1); +#endif + dprintf1(1, "vaarg1\n"); + dprintf1(1, "vaarg1=%d\n", 2); + dprintf1(1, "vaarg1=%d %d\n", 1, 2); + + /* gcc extension */ + printf("func='%s'\n", __FUNCTION__); + + /* complicated macros in glibc */ + printf("INT64_MIN=%Ld\n", INT64_MIN); + { + int a; + a = 1; + glue(a+, +); + printf("a=%d\n", a); + glue(a <, <= 2); + printf("a=%d\n", a); + } + + /* macro function with argument outside the macro string */ +#define MF_s MF_hello +#define MF_hello(msg) printf("%s\n",msg) + +#define MF_t printf("tralala\n"); MF_hello + + MF_s("hi"); + MF_t("hi"); + + /* test macro substituion inside args (should not eat stream) */ + printf("qq=%d\n", qq(qq)(2)); + + /* test zero argument case. NOTE: gcc 2.95.x does not accept a + null argument without a space. gcc 3.2 fixes that. */ + +#define qq1(x) 1 + printf("qq1=%d\n", qq1( )); + + /* comment with stray handling *\ +/ + /* this is a valid *\/ comment */ + /* this is a valid comment *\*/ + // this is a valid\ +comment + + /* test function macro substitution when the function name is + substituted */ + TEST2(); +} + +int op(a,b) +{ + return a / b; +} + +int ret(a) +{ + if (a == 2) + return 1; + if (a == 3) + return 2; + return 0; +} + +void ps(const char *s) +{ + int c; + while (1) { + c = *s; + if (c == 0) + break; + printf("%c", c); + s++; + } +} + +const char foo1_string[] = "\ +bar\n\ +test\14\ +1"; + +void string_test() +{ + unsigned int b; + printf("string:\n"); + printf("\141\1423\143\n");/* dezdez test */ + printf("\x41\x42\x43\x3a\n"); + printf("c=%c\n", 'r'); + printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c'); + printf("foo1_string='%s'\n", foo1_string); +#if 0 + printf("wstring=%S\n", L"abc"); + printf("wstring=%S\n", L"abc" L"def" "ghi"); + printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff'); + printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff'); +#endif + ps("test\n"); + b = 32; + while ((b = b + 1) < 96) { + printf("%c", b); + } + printf("\n"); + printf("fib=%d\n", fib(33)); + b = 262144; + while (b != 0x80000000) { + num(b); + b = b * 2; + } +} + +void loop_test() +{ + int i; + i = 0; + while (i < 10) + printf("%d", i++); + printf("\n"); + for(i = 0; i < 10;i++) + printf("%d", i); + printf("\n"); + i = 0; + do { + printf("%d", i++); + } while (i < 10); + printf("\n"); + + /* 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"); +} + + +void goto_test() +{ + int i; + static void *label_table[3] = { &&label1, &&label2, &&label3 }; + + printf("goto:\n"); + i = 0; + 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, +}; + +void enum_test() +{ + enum test b1; + printf("enum:\n%d %d %d %d %d %d\n", + E0, E1, E2, E3, E4, E5); + b1 = 1; + printf("b1=%d\n", b1); +} + +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; + +int main(int argc, char **argv) +{ + string_test(); + expr_test(); + 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(); + 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(); + sizeof_test(); + typeof_test(); + statement_expr_test(); + local_label_test(); + asm_test(); + builtin_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 a[4]) +{ + int i, j; + + 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"); +} + +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); + } +} + +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]; + 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, +}; + +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); + + 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"); + + /* bit sizes below must be bigger than 32 since GCC doesn't allow + long-long bitfields whose size is not bigger than int */ + 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); +} + +#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); +float strtof(const char *nptr, char **endptr); +long double strtold(const char *nptr, char **endptr); + +#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);\ + b = 0;\ + printf("%d %d\n", !a, !b);\ +}\ +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);\ +}\ +\ +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 ## 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);\ + prefix ## call();\ +} + +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); + b = ub = 0; + printf("not: %d %d %d %d\n", !a, !ua, !b, !ub); +} + +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); + + /* another long long spill test */ + { + long long *p, v; + v = 1; + p = &v; + p[0]++; + printf("%lld\n", *p); + } + + a = 68719476720LL; + b = 4294967295LL; + printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b); + + printf("%Ld\n", 0x123456789LLU); +} + +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 " + "%Ld %Ld %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 " + "%Ld %Ld %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); + /* XXX: known bug of x86-64 */ +#ifndef __x86_64__ + 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 " + "%Ld %Ld %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 %Ld %Ld %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); +#endif +} + +void vprintf1(const char *fmt, ...) +{ + va_list ap; + const char *p; + int c, i; + double d; + long long ll; + long double ld; + + 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; + case 'F': + ld = va_arg(ap, long double); + printf("%Lf", ld); + break; + } + p++; + } else { + putchar(c); + } + } + the_end: + va_end(ap); +} + + +void stdarg_test(void) +{ + long double ld = 1234567891234LL; + 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", 1.2L, 2.3L, 3.4L); +#ifdef __x86_64__ + /* a bug of x86's TCC */ + vprintf1("%d %f %l %F %d %f %l %F\n", + 1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L); +#endif + 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); +} + +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]; + +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(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)); + + /* 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, 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 */ +#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"); +#ifdef __GNUC__ // works strange with GCC 4.3 + set=0x1080fd; +#endif + 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)); +} + + +void const_func(const int a) +{ +} + +void const_warn_test(void) +{ + const_func(1); +} -- cgit v1.3.1