12 static char *regs64[] = {"rax", "r10", "r11", "r9"};
13 static char *regs8l[] = {"al", "r10b", "r11b", "r9b"};
16 static char *akt_func_name = (char*) NULL;
17 static char need_stack = 0;
19 void func_header(char *s, int vars, int parms, int call)
21 printf("\t.globl %1$s\n\t.type %1$s, @function\n%1$s:\n", s);
22 printf("\t//vars: %i, parms: %i, call(bool): %i\n", vars, parms, call);
25 need_stack = (vars || parms) && call;
27 printf("\tpushq %%rbp\n"
28 "\tmovq %%rsp, %%rbp\n"
29 "\tsubq $%d, %%rsp\n", 8*(vars+parms+2 /* fuer rax und r10*/));
33 char *get_func_name(void)
38 void func_footer(void)
42 printf("\tret\n\n\n");
45 void move(char *src, char *dst)
47 if(src == (char*) NULL) return;
48 if(strcmp(src,dst) != 0) {
49 printf("\tmovq %%%s, %%%s\n", src, dst);
53 void moveimm(long imm, char *dst)
56 sprintf(buf, "$%d", imm);
57 printf("\tmovq %s, %%%s\n", buf, dst);
60 char *next_reg(char *s, int params)
63 if (s != (char*) NULL) {
64 while(strcmp(s, regs64[i]) != 0) {
70 fprintf(stderr, "next_reg(): %s (bei %i parameter)\n", regs64[i], params);
75 char *reg_64to8l(char *s)
78 if (s != (char*) NULL) {
79 while(strcmp(s, regs64[i]) != 0) {
84 fprintf(stderr, "reg_64to8l(): sollte nicht passieren\n");
88 char *param_reg(int num)
90 char *regs[] = {"rdi", "rsi", "rdx", "rcx", "r8", "r9", "r11"};