nac3/nac3standalone/demo/demo.c

115 lines
2.1 KiB
C

#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define min(a, b) \
({ \
__typeof__(a) _a = (a); \
__typeof__(b) _b = (b); \
_a < _b ? _a : _b; \
})
#if __SIZEOF_POINTER__ == 8
#define usize uint64_t
#elif __SIZEOF_POINTER__ == 4
#define usize uint32_t
#elif __SIZEOF_POINTER__ == 2
#define usize uint16_t
#endif
struct cslice {
const void *data;
usize len;
};
void output_int32(const int32_t x, bool newline) {
printf("%d", x);
if (newline) {
fputc('\n', stdout);
}
}
void output_int64(const int64_t x) {
printf("%ld", x);
if (newline) {
fputc('\n', stdout);
}
}
void output_uint32(const uint32_t x) {
printf("%d", x);
if (newline) {
fputc('\n', stdout);
}
}
void output_uint64(const uint64_t x) {
printf("%ld", x);
if (newline) {
fputc('\n', stdout);
}
}
void output_asciiart(const int32_t x) {
const char* chars = " .,-:;i+hHM$*#@ ";
if (x < 0) {
fputc('\n', stdout);
} else {
fputc(chars[x], stdout);
}
if (newline) {
fputc('\n', stdout);
}
}
void output_str(struct cslice *slice, bool newline) {
for (usize i = 0; i < slice->len; ++i) {
fputc(((const char *) slice->data)[i], stdout);
}
if (newline) {
fputc('\n', stdout);
}
}
void output_int32_list(struct cslice *slice) {
fputc('[', stdout);
for (usize i = 0; i < slice->len; ++i) {
if (i == slice->len - 1) {
printf("%d", ((const int32_t *) slice->data)[i]);
} else {
printf("%d, ", ((const int32_t *) slice->data)[i]);
}
}
puts("]");
}
uint32_t __nac3_personality(
__attribute__((unused)) uint32_t state,
__attribute__((unused)) uint32_t exception_object,
__attribute__((unused)) uint32_t context) {
assert(false && "__nac3_personality not implemented");
exit(101);
__builtin_unreachable();
}
uint32_t __nac3_raise(uint32_t state, uint32_t exception_object, uint32_t context) {
printf("__nac3_raise(state: %x, exception_object: %x, context: %x\n", state, exception_object, context);
exit(101);
__builtin_unreachable();
}
extern int32_t run();
int main() {
run();
}