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Diffstat (limited to 'tinyc/tests/abitest.c')
| -rw-r--r-- | tinyc/tests/abitest.c | 691 |
1 files changed, 691 insertions, 0 deletions
diff --git a/tinyc/tests/abitest.c b/tinyc/tests/abitest.c new file mode 100644 index 000000000..4a192bd23 --- /dev/null +++ b/tinyc/tests/abitest.c @@ -0,0 +1,691 @@ +#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); + return ((r.a == 6) && (r.b == 12))?0:-1; +} + +static int many_struct_test_3(void) { + const char *src = + "typedef struct many_struct_test_3_type_s {int a, b;} many_struct_test_3_type;\n" + "many_struct_test_3_type f(many_struct_test_3_type x1, many_struct_test_3_type x2, many_struct_test_3_type x3, many_struct_test_3_type x4, many_struct_test_3_type x5, many_struct_test_3_type x6, ...) {\n" + " many_struct_test_3_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_3_callback); +} + +/* + * stdarg_test: Test variable argument list ABI + */ + +typedef struct {long long a, b, c;} stdarg_test_struct_type; +typedef void (*stdarg_test_function_type) (int,int,int,...); + +static int stdarg_test_callback(void *ptr) { + stdarg_test_function_type f = (stdarg_test_function_type)ptr; + int x; + double y; + stdarg_test_struct_type z = {1, 2, 3}, w; + f(10, 10, 5, + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, &x, + 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, &y, + z, z, z, z, z, &w); + return ((x == 55) && (y == 55) && (w.a == 5) && (w.b == 10) && (w.c == 15)) ? 0 : -1; +} + +static int stdarg_test(void) { + const char *src = + "#include <stdarg.h>\n" + "typedef struct {long long a, b, c;} stdarg_test_struct_type;\n" + "void f(int n_int, int n_float, int n_struct, ...) {\n" + " int i, ti = 0;\n" + " double td = 0.0;\n" + " stdarg_test_struct_type ts = {0,0,0}, tmp;\n" + " va_list ap;\n" + " va_start(ap, n_struct);\n" + " for (i = 0, ti = 0; i < n_int; ++i)\n" + " ti += va_arg(ap, int);\n" + " *va_arg(ap, int*) = ti;\n" + " for (i = 0, td = 0; i < n_float; ++i)\n" + " td += va_arg(ap, double);\n" + " *va_arg(ap, double*) = td;\n" + " for (i = 0; i < n_struct; ++i) {\n" + " tmp = va_arg(ap, stdarg_test_struct_type);\n" + " ts.a += tmp.a; ts.b += tmp.b; ts.c += tmp.c;" + " }\n" + " *va_arg(ap, stdarg_test_struct_type*) = ts;\n" + " va_end(ap);" + "}\n"; + return run_callback(src, stdarg_test_callback); +} + +typedef struct {long long a, b;} stdarg_many_test_struct_type; +typedef void (*stdarg_many_test_function_type) (int, int, int, int, int, + stdarg_many_test_struct_type, + int, int, ...); + +static int stdarg_many_test_callback(void *ptr) +{ + stdarg_many_test_function_type f = (stdarg_many_test_function_type)ptr; + int x; + stdarg_many_test_struct_type l = {10, 11}; + f(1, 2, 3, 4, 5, l, 6, 7, &x, 44); + return x == 44 ? 0 : -1; +} + +static int stdarg_many_test(void) +{ + const char *src = + "#include <stdarg.h>\n" + "typedef struct {long long a, b;} stdarg_many_test_struct_type;\n" + "void f (int a, int b, int c, int d, int e, stdarg_many_test_struct_type l, int f, int g, ...){\n" + " va_list ap;\n" + " int *p;\n" + " va_start (ap, g);\n" + " p = va_arg(ap, int*);\n" + " *p = va_arg(ap, int);\n" + " va_end (ap);\n" + "}\n"; + return run_callback(src, stdarg_many_test_callback); +} + +/* + * Test Win32 stdarg handling, since the calling convention will pass a pointer + * to the struct and the stdarg pointer must point to that pointer initially. + */ + +typedef struct {long long a, b, c;} stdarg_struct_test_struct_type; +typedef int (*stdarg_struct_test_function_type) (stdarg_struct_test_struct_type a, ...); + +static int stdarg_struct_test_callback(void *ptr) { + stdarg_struct_test_function_type f = (stdarg_struct_test_function_type)ptr; + stdarg_struct_test_struct_type v = {10, 35, 99}; + int x = f(v, 234); + return (x == 378) ? 0 : -1; +} + +static int stdarg_struct_test(void) { + const char *src = + "#include <stdarg.h>\n" + "typedef struct {long long a, b, c;} stdarg_struct_test_struct_type;\n" + "int f(stdarg_struct_test_struct_type a, ...) {\n" + " va_list ap;\n" + " va_start(ap, a);\n" + " int z = va_arg(ap, int);\n" + " va_end(ap);\n" + " return z + a.a + a.b + a.c;\n" + "}\n"; + return run_callback(src, stdarg_struct_test_callback); +} + +/* Test that x86-64 arranges the stack correctly for arguments with alignment >8 bytes */ + +typedef LONG_DOUBLE (*arg_align_test_callback_type) (LONG_DOUBLE,int,LONG_DOUBLE,int,LONG_DOUBLE); + +static int arg_align_test_callback(void *ptr) { + arg_align_test_callback_type f = (arg_align_test_callback_type)ptr; + long double x = f(12, 0, 25, 0, 37); + return (x == 74) ? 0 : -1; +} + +static int arg_align_test(void) { + const char *src = + "long double f(long double a, int b, long double c, int d, long double e) {\n" + " return a + c + e;\n" + "}\n"; + return run_callback(src, arg_align_test_callback); +} + +#define RUN_TEST(t) \ + if (!testname || (strcmp(#t, testname) == 0)) { \ + fputs(#t "... ", stdout); \ + fflush(stdout); \ + if (t() == 0) { \ + fputs("success\n", stdout); \ + } else { \ + fputs("failure\n", stdout); \ + retval = EXIT_FAILURE; \ + } \ + } + +int main(int argc, char **argv) { + int i; + const char *testname = NULL; + int retval = EXIT_SUCCESS; + + /* if tcclib.h and libtcc1.a are not installed, where can we find them */ + for (i = 1; i < argc; ++i) { + if (!memcmp(argv[i], "run_test=", 9)) + testname = argv[i] + 9; + } + + g_argv = argv, g_argc = argc; + + RUN_TEST(ret_int_test); + RUN_TEST(ret_longlong_test); + RUN_TEST(ret_float_test); + RUN_TEST(ret_double_test); + RUN_TEST(ret_longdouble_test); + RUN_TEST(ret_2float_test); + RUN_TEST(ret_2double_test); + RUN_TEST(ret_8plus2double_test); + RUN_TEST(ret_6plus2longlong_test); +#if !defined __x86_64__ || defined _WIN32 + /* currently broken on x86_64 linux */ + RUN_TEST(ret_mixed_test); + RUN_TEST(ret_mixed2_test); +#endif + RUN_TEST(ret_mixed3_test); + RUN_TEST(reg_pack_test); + RUN_TEST(reg_pack_longlong_test); + RUN_TEST(sret_test); + RUN_TEST(one_member_union_test); + RUN_TEST(two_member_union_test); + RUN_TEST(many_struct_test); + RUN_TEST(many_struct_test_2); + RUN_TEST(many_struct_test_3); + RUN_TEST(stdarg_test); + RUN_TEST(stdarg_many_test); + RUN_TEST(stdarg_struct_test); + RUN_TEST(arg_align_test); + return retval; +} |