12 static char *regs64[] = {"rax", "r10", "r11", "r9", "r8", "rcx", "rdx", "rsi", "rdi"};
13 static char *regs8l[] = {"al", "r10b", "r11b", "r9b", "r8b", "cl", "dl", "sil", "dil"};
15 void func_header(char *s)
17 printf("\t.globl %1$s\n\t.type %1$s, @function\n%1$s:\n", s);
20 void func_footer(void)
25 void move(char *src, char *dst)
27 if(strcmp(src,dst) != 0) {
28 printf("\tmovq %%%s, %%%s\n", src, dst);
32 void moveimm(long imm, char *dst)
35 sprintf(buf, "$%li", imm);
36 printf("\tmovq %s, %%%s\n", buf, dst);
44 char *next_reg(char *s, short skip, int params)
47 if (s != (char*) NULL) {
49 if(!strcmp(s, regs64[i++])) {
58 fprintf(stderr, "next_reg(): %s (bei %i parameter)\n", regs64[i], params);
61 if(REGLEN - params <= i) {
62 fprintf(stderr, "next_reg(): register \"%s\" in dem sich ein parameter befindet wird als temporaeres register verwendet(params: %i, i: %i)\n", regs64[i], params, i);
63 /* TODO: exit hier? */
71 char *reg_64to8l(char *s)
74 if (s != (char*) NULL) {
76 if(!strcmp(s, regs64[i])) {
83 fprintf(stderr, "reg_64to8l(): sollte nicht passieren\n");
88 char *param_reg(int num)
90 char *regs[] = {"rdi", "rsi", "rdx", "rcx", "r8", "r9"};