42 lines
871 B
C
42 lines
871 B
C
#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include "format.h"
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#include "io.h"
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#include "ir.h"
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#include "parse.h"
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#define ELF_HEADER_SIZE 0xb0
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symbol compile(void) {
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symbol entry_point = new_symbol();
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define_executable_symbol(entry_point);
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var argc, argv, env;
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init_ir(&argc, &argv, &env);
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parse();
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var a = lit(52);
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var b = lit(10);
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var exit_code = sub(a, b);
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var sys_exit = lit(60);
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var args[2] = { sys_exit, exit_code };
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syscall(2, args);
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return entry_point;
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}
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int main(int argc, char** argv) {
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if (argc != 3) {
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fprintf(stderr, "usage: %s <output file> <source file>\n", argv[0]);
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exit(1);
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}
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open_files(argv[2], argv[1]);
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elf_executable();
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symbol entry_point = compile();
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finish_executable(entry_point);
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close_files();
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return 0;
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}
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