Larry DoolittleSpelling fixes1b6806e9 years agoHistory
691 lines · 22.7 KB · C
RawDownload
#include <libtcc.h>#include <stdlib.h>#include <stdio.h>#include <string.h>#include <stdarg.h> // MinGW has 80-bit rather than 64-bit long double which isn't compatible with TCC or MSVC#if defined(_WIN32) && defined(__GNUC__)#define LONG_DOUBLE double#define LONG_DOUBLE_LITERAL(x) x#else#define LONG_DOUBLE long double#define LONG_DOUBLE_LITERAL(x) x ## L#endif static int g_argc;static char **g_argv; static void set_options(TCCState *s, int argc, char **argv){    int i;    for (i = 1; i < argc; ++i) {        char *a = argv[i];        if (a[0] == '-') {            if (a[1] == 'B')                tcc_set_lib_path(s, a+2);            else if (a[1] == 'I')                tcc_add_include_path(s, a+2);            else if (a[1] == 'L')                tcc_add_library_path(s, a+2);        }    }} typedef int (*callback_type) (void*); /* * Compile source code and call a callback with a pointer to the symbol "f". */static int run_callback(const char *src, callback_type callback) {  TCCState *s;  int result;  void *ptr;    s = tcc_new();  if (!s)    return -1;   set_options(s, g_argc, g_argv);   if (tcc_set_output_type(s, TCC_OUTPUT_MEMORY) == -1)    return -1;  if (tcc_compile_string(s, src) == -1)    return -1;  if (tcc_relocate(s, TCC_RELOCATE_AUTO) == -1)    return -1;    ptr = tcc_get_symbol(s, "f");  if (!ptr)    return -1;  result = callback(ptr);    tcc_delete(s);    return result;} #define STR2(x) #x#define STR(x) STR2(x) #define RET_PRIMITIVE_TEST(name, type, val) \  static int ret_ ## name ## _test_callback(void *ptr) { \    type (*callback) (type) = (type(*)(type))ptr; \    type x = val; \    type y = callback(x); \    return (y == x+x) ? 0 : -1; \  } \  \  static int ret_ ## name ## _test(void) { \    const char *src = STR(type) " f(" STR(type) " x) {return x+x;}"; \    return run_callback(src, ret_ ## name ## _test_callback); \  } RET_PRIMITIVE_TEST(int, int, 70000)RET_PRIMITIVE_TEST(longlong, long long, 4333369356528LL)RET_PRIMITIVE_TEST(float, float, 63.0)RET_PRIMITIVE_TEST(double, double, 14789798.0)RET_PRIMITIVE_TEST(longdouble, LONG_DOUBLE, LONG_DOUBLE_LITERAL(378943892.0)) /* * ret_2float_test: *  * On x86-64, a struct with 2 floats should be packed into a single * SSE register (VT_DOUBLE is used for this purpose). */typedef struct ret_2float_test_type_s {float x, y;} ret_2float_test_type;typedef ret_2float_test_type (*ret_2float_test_function_type) (ret_2float_test_type); static int ret_2float_test_callback(void *ptr) {  ret_2float_test_function_type f = (ret_2float_test_function_type)ptr;  ret_2float_test_type a = {10, 35};  ret_2float_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y == a.y*3)) ? 0 : -1;} static int ret_2float_test(void) {  const char *src =  "typedef struct ret_2float_test_type_s {float x, y;} ret_2float_test_type;"  "ret_2float_test_type f(ret_2float_test_type a) {\n"  "  ret_2float_test_type r = {a.x*5, a.y*3};\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_2float_test_callback);} /* * ret_2double_test: *  * On x86-64, a struct with 2 doubles should be passed in two SSE * registers. */typedef struct ret_2double_test_type_s {double x, y;} ret_2double_test_type;typedef ret_2double_test_type (*ret_2double_test_function_type) (ret_2double_test_type); static int ret_2double_test_callback(void *ptr) {  ret_2double_test_function_type f = (ret_2double_test_function_type)ptr;  ret_2double_test_type a = {10, 35};  ret_2double_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y == a.y*3)) ? 0 : -1;} static int ret_2double_test(void) {  const char *src =  "typedef struct ret_2double_test_type_s {double x, y;} ret_2double_test_type;"  "ret_2double_test_type f(ret_2double_test_type a) {\n"  "  ret_2double_test_type r = {a.x*5, a.y*3};\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_2double_test_callback);} /* * ret_8plus2double_test: * * This catches a corner case in the x86_64 ABI code: the first 7 * arguments fit into registers, the 8th doesn't, but the 9th argument * fits into the 8th XMM register. * * Note that the purpose of the 10th argument is to avoid a situation * in which gcc would accidentally put the double at the right * address, thus causing a success message even though TCC actually * generated incorrect code. */typedef ret_2double_test_type (*ret_8plus2double_test_function_type) (double, double, double, double, double, double, double, ret_2double_test_type, double, double); static int ret_8plus2double_test_callback(void *ptr) {  ret_8plus2double_test_function_type f = (ret_8plus2double_test_function_type)ptr;  ret_2double_test_type a = {10, 35};  ret_2double_test_type r;  r = f(0, 0, 0, 0, 0, 0, 0, a, 37, 38);  return ((r.x == 37) && (r.y == 37)) ? 0 : -1;} static int ret_8plus2double_test(void) {  const char *src =  "typedef struct ret_2double_test_type_s {double x, y;} ret_2double_test_type;"  "ret_2double_test_type f(double x1, double x2, double x3, double x4, double x5, double x6, double x7, ret_2double_test_type a, double x8, double x9) {\n"  "  ret_2double_test_type r = { x8, x8 };\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_8plus2double_test_callback);} /* * ret_mixed_test: * * On x86-64, a struct with a double and a 64-bit integer should be * passed in one SSE register and one integer register. */typedef struct ret_mixed_test_type_s {double x; long long y;} ret_mixed_test_type;typedef ret_mixed_test_type (*ret_mixed_test_function_type) (ret_mixed_test_type); static int ret_mixed_test_callback(void *ptr) {  ret_mixed_test_function_type f = (ret_mixed_test_function_type)ptr;  ret_mixed_test_type a = {10, 35};  ret_mixed_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y == a.y*3)) ? 0 : -1;} static int ret_mixed_test(void) {  const char *src =  "typedef struct ret_mixed_test_type_s {double x; long long y;} ret_mixed_test_type;"  "ret_mixed_test_type f(ret_mixed_test_type a) {\n"  "  ret_mixed_test_type r = {a.x*5, a.y*3};\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_mixed_test_callback);} /* * ret_mixed2_test: * * On x86-64, a struct with two floats and two 32-bit integers should * be passed in one SSE register and one integer register. */typedef struct ret_mixed2_test_type_s {float x,x2; int y,y2;} ret_mixed2_test_type;typedef ret_mixed2_test_type (*ret_mixed2_test_function_type) (ret_mixed2_test_type); static int ret_mixed2_test_callback(void *ptr) {  ret_mixed2_test_function_type f = (ret_mixed2_test_function_type)ptr;  ret_mixed2_test_type a = {10, 5, 35, 7 };  ret_mixed2_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y == a.y*3)) ? 0 : -1;} static int ret_mixed2_test(void) {  const char *src =  "typedef struct ret_mixed2_test_type_s {float x, x2; int y,y2;} ret_mixed2_test_type;"  "ret_mixed2_test_type f(ret_mixed2_test_type a) {\n"  "  ret_mixed2_test_type r = {a.x*5, 0, a.y*3, 0};\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_mixed2_test_callback);} /* * ret_mixed3_test: * * On x86-64, this struct should be passed in two integer registers. */typedef struct ret_mixed3_test_type_s {float x; int y; float x2; int y2;} ret_mixed3_test_type;typedef ret_mixed3_test_type (*ret_mixed3_test_function_type) (ret_mixed3_test_type); static int ret_mixed3_test_callback(void *ptr) {  ret_mixed3_test_function_type f = (ret_mixed3_test_function_type)ptr;  ret_mixed3_test_type a = {10, 5, 35, 7 };  ret_mixed3_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y2 == a.y*3)) ? 0 : -1;} static int ret_mixed3_test(void) {  const char *src =  "typedef struct ret_mixed3_test_type_s {float x; int y; float x2; int y2;} ret_mixed3_test_type;"  "ret_mixed3_test_type f(ret_mixed3_test_type a) {\n"  "  ret_mixed3_test_type r = {a.x*5, 0, 0, a.y*3};\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_mixed3_test_callback);} /* * reg_pack_test: return a small struct which should be packed into * registers (Win32) during return. */typedef struct reg_pack_test_type_s {int x, y;} reg_pack_test_type;typedef reg_pack_test_type (*reg_pack_test_function_type) (reg_pack_test_type); static int reg_pack_test_callback(void *ptr) {  reg_pack_test_function_type f = (reg_pack_test_function_type)ptr;  reg_pack_test_type a = {10, 35};  reg_pack_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y == a.y*3)) ? 0 : -1;} static int reg_pack_test(void) {  const char *src =  "typedef struct reg_pack_test_type_s {int x, y;} reg_pack_test_type;"  "reg_pack_test_type f(reg_pack_test_type a) {\n"  "  reg_pack_test_type r = {a.x*5, a.y*3};\n"  "  return r;\n"  "}\n";    return run_callback(src, reg_pack_test_callback);} /* * reg_pack_longlong_test: return a small struct which should be packed into * registers (x86-64) during return. */typedef struct reg_pack_longlong_test_type_s {long long x, y;} reg_pack_longlong_test_type;typedef reg_pack_longlong_test_type (*reg_pack_longlong_test_function_type) (reg_pack_longlong_test_type); static int reg_pack_longlong_test_callback(void *ptr) {  reg_pack_longlong_test_function_type f = (reg_pack_longlong_test_function_type)ptr;  reg_pack_longlong_test_type a = {10, 35};  reg_pack_longlong_test_type r;  r = f(a);  return ((r.x == a.x*5) && (r.y == a.y*3)) ? 0 : -1;} static int reg_pack_longlong_test(void) {  const char *src =  "typedef struct reg_pack_longlong_test_type_s {long long x, y;} reg_pack_longlong_test_type;"  "reg_pack_longlong_test_type f(reg_pack_longlong_test_type a) {\n"  "  reg_pack_longlong_test_type r = {a.x*5, a.y*3};\n"  "  return r;\n"  "}\n";    return run_callback(src, reg_pack_longlong_test_callback);} /* * ret_6plus2longlong_test: * * This catches a corner case in the x86_64 ABI code: the first 5 * arguments fit into registers, the 6th doesn't, but the 7th argument * fits into the 6th argument integer register, %r9. * * Note that the purpose of the 10th argument is to avoid a situation * in which gcc would accidentally put the longlong at the right * address, thus causing a success message even though TCC actually * generated incorrect code. */typedef reg_pack_longlong_test_type (*ret_6plus2longlong_test_function_type) (long long, long long, long long, long long, long long, reg_pack_longlong_test_type, long long, long long); static int ret_6plus2longlong_test_callback(void *ptr) {  ret_6plus2longlong_test_function_type f = (ret_6plus2longlong_test_function_type)ptr;  reg_pack_longlong_test_type a = {10, 35};  reg_pack_longlong_test_type r;  r = f(0, 0, 0, 0, 0, a, 37, 38);  return ((r.x == 37) && (r.y == 37)) ? 0 : -1;} static int ret_6plus2longlong_test(void) {  const char *src =  "typedef struct reg_pack_longlong_test_type_s {long long x, y;} reg_pack_longlong_test_type;"  "reg_pack_longlong_test_type f(long long x1, long long x2, long long x3, long long x4, long long x5, reg_pack_longlong_test_type a, long long x8, long long x9) {\n"  "  reg_pack_longlong_test_type r = { x8, x8 };\n"  "  return r;\n"  "}\n";   return run_callback(src, ret_6plus2longlong_test_callback);} /* * sret_test: Create a struct large enough to be returned via sret * (hidden pointer as first function argument) */typedef struct sret_test_type_s {long long a, b, c;} sret_test_type;typedef sret_test_type (*sret_test_function_type) (sret_test_type); static int sret_test_callback(void *ptr) {  sret_test_function_type f = (sret_test_function_type)(ptr);  sret_test_type x = {5436LL, 658277698LL, 43878957LL};  sret_test_type r = f(x);  return ((r.a==x.a*35)&&(r.b==x.b*19)&&(r.c==x.c*21)) ? 0 : -1;} static int sret_test(void) {  const char *src =  "typedef struct sret_test_type_s {long long a, b, c;} sret_test_type;\n"  "sret_test_type f(sret_test_type x) {\n"  "  sret_test_type r = {x.a*35, x.b*19, x.c*21};\n"  "  return r;\n"  "}\n";    return run_callback(src, sret_test_callback);} /* * one_member_union_test: *  * In the x86-64 ABI a union should always be passed on the stack. However * it appears that a single member union is treated by GCC as its member. */typedef union one_member_union_test_type_u {int x;} one_member_union_test_type;typedef one_member_union_test_type (*one_member_union_test_function_type) (one_member_union_test_type); static int one_member_union_test_callback(void *ptr) {  one_member_union_test_function_type f = (one_member_union_test_function_type)ptr;  one_member_union_test_type a, b;  a.x = 34;  b = f(a);  return (b.x == a.x*2) ? 0 : -1;} static int one_member_union_test(void) {  const char *src =  "typedef union one_member_union_test_type_u {int x;} one_member_union_test_type;\n"  "one_member_union_test_type f(one_member_union_test_type a) {\n"  "  one_member_union_test_type b;\n"  "  b.x = a.x * 2;\n"  "  return b;\n"  "}\n";  return run_callback(src, one_member_union_test_callback);} /* * two_member_union_test: *  * In the x86-64 ABI a union should always be passed on the stack. */typedef union two_member_union_test_type_u {int x; long y;} two_member_union_test_type;typedef two_member_union_test_type (*two_member_union_test_function_type) (two_member_union_test_type); static int two_member_union_test_callback(void *ptr) {  two_member_union_test_function_type f = (two_member_union_test_function_type)ptr;  two_member_union_test_type a, b;  a.x = 34;  b = f(a);  return (b.x == a.x*2) ? 0 : -1;} static int two_member_union_test(void) {  const char *src =  "typedef union two_member_union_test_type_u {int x; long y;} two_member_union_test_type;\n"  "two_member_union_test_type f(two_member_union_test_type a) {\n"  "  two_member_union_test_type b;\n"  "  b.x = a.x * 2;\n"  "  return b;\n"  "}\n";  return run_callback(src, two_member_union_test_callback);} /* * Win64 calling convention test. */ typedef struct many_struct_test_type_s {long long a, b, c;} many_struct_test_type;typedef many_struct_test_type (*many_struct_test_function_type) (many_struct_test_type,many_struct_test_type,many_struct_test_type,many_struct_test_type,many_struct_test_type,many_struct_test_type); static int many_struct_test_callback(void *ptr) {  many_struct_test_function_type f = (many_struct_test_function_type)ptr;  many_struct_test_type v = {1, 2, 3};  many_struct_test_type r = f(v,v,v,v,v,v);  return ((r.a == 6) && (r.b == 12) && (r.c == 18))?0:-1;} static int many_struct_test(void) {  const char *src =  "typedef struct many_struct_test_type_s {long long a, b, c;} many_struct_test_type;\n"  "many_struct_test_type f(many_struct_test_type x1, many_struct_test_type x2, many_struct_test_type x3, many_struct_test_type x4, many_struct_test_type x5, many_struct_test_type x6) {\n"  "  many_struct_test_type y;\n"  "  y.a = x1.a + x2.a + x3.a + x4.a + x5.a + x6.a;\n"  "  y.b = x1.b + x2.b + x3.b + x4.b + x5.b + x6.b;\n"  "  y.c = x1.c + x2.c + x3.c + x4.c + x5.c + x6.c;\n"  "  return y;\n"  "}\n";  return run_callback(src, many_struct_test_callback);} /* * Win64 calling convention test. */ typedef struct many_struct_test_2_type_s {int a, b;} many_struct_test_2_type;typedef many_struct_test_2_type (*many_struct_test_2_function_type) (many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type,many_struct_test_2_type); static int many_struct_test_2_callback(void *ptr) {  many_struct_test_2_function_type f = (many_struct_test_2_function_type)ptr;  many_struct_test_2_type v = {1,2};  many_struct_test_2_type r = f(v,v,v,v,v,v);  return ((r.a == 6) && (r.b == 12))?0:-1;} static int many_struct_test_2(void) {  const char *src =  "typedef struct many_struct_test_2_type_s {int a, b;} many_struct_test_2_type;\n"  "many_struct_test_2_type f(many_struct_test_2_type x1, many_struct_test_2_type x2, many_struct_test_2_type x3, many_struct_test_2_type x4, many_struct_test_2_type x5, many_struct_test_2_type x6) {\n"  "  many_struct_test_2_type y;\n"  "  y.a = x1.a + x2.a + x3.a + x4.a + x5.a + x6.a;\n"  "  y.b = x1.b + x2.b + x3.b + x4.b + x5.b + x6.b;\n"  "  return y;\n"  "}\n";  return run_callback(src, many_struct_test_2_callback);} /* * Win64 calling convention test. */ typedef struct many_struct_test_3_type_s {int a, b;} many_struct_test_3_type;typedef many_struct_test_3_type (*many_struct_test_3_function_type) (many_struct_test_3_type,many_struct_test_3_type,many_struct_test_3_type,many_struct_test_3_type,many_struct_test_3_type,many_struct_test_3_type, ...);typedef struct many_struct_test_3_struct_type { many_struct_test_3_function_type f; many_struct_test_3_function_type *f2; } many_struct_test_3_struct_type; static void many_struct_test_3_dummy(double d, ...){  volatile double x = d;} static int many_struct_test_3_callback(void *ptr) {  many_struct_test_3_struct_type s = { ptr, };  many_struct_test_3_struct_type *s2 = &s;  s2->f2 = &s2->f;  many_struct_test_3_dummy(1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, &s2);  many_struct_test_3_function_type f = *(s2->f2);  many_struct_test_3_type v = {1,2};  many_struct_test_3_type r = (*((s2->f2=&f)+0))(v,v,v,v,v,v,1.0);

Lines 1–500 of 691.