#include <stdio.h> #include <unistd.h> #include <sys/wait.h> #include "mcc/tac.h" #include "mcc/tac_print.h" #include "mcc/symbol_table.h" char *mcc_asm_gen(FILE *out, struct mcc_tac *tac) { for(int i = 0; i < tac->tac_entries->size; i++) { struct mcc_tac_entry *entry = tac->tac_entries->arr[i]; char *arg1 = entry->arg1; switch (entry->tac_op) { case MCC_TAC_FUNCTION_START: fprintf(out, "\t.globl %s\n", arg1); fprintf(out, "\t.type %s, @function\n", arg1); fprintf(out, "%s:\n", arg1); fprintf(out, "\tpushl\t%%ebp\n"); fprintf(out, "\tmovl\t%%esp, %%ebp\n"); break; case MCC_TAC_CALL: fprintf(out, "\tcall\t%s\n", arg1); break; case MCC_TAC_NOT: fprintf(out, "\tnegl\t%%eax\n"); case MCC_TAC_PLUS_INT: fprintf(out, "\taddl\t%d(%%ebp), %%eax\n", offset ); break; case MCC_TAC_MINUS_INT_BIN: fprintf(out, "\tsubl\t%d(%%ebp), %%eax\n",offset); break; case MCC_TAC_MUL_INT: fprintf(out, "\timull\t%d(%%ebp), %%eax\n",offset); case MCC_TAC_PLUS_FLOAT: break; case MCC_TAC_BOOL_LITERAL: break; case MCC_TAC_INT_LITERAL: break; case MCC_TAC_STRING_LITERAL: break; case MCC_TAC_FLOAT_LITERAL: break; default: break; } } }