13 static char *regsppc[] = {"r10", "r11", "r12", "r13", "r14"};
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 /* save the link register */
28 printf("\tmflr 0; stw 0,-8(1)\n");
29 /* create the stack */
30 printf("\tstwu 1, -80(1)\n");
34 char *get_func_name(void)
39 void func_footer(void)
42 /* remove stack frame */
43 printf("\taddi 1,1,80\n");
44 /* restore link register */
45 printf("\tlwz 0,-8(1); mtlr 0\n");
47 printf("\tbx lr\n\n\n");
50 void move(char *src, char *dst)
52 if(src == (char*) NULL) return;
53 if(strcmp(src,dst) != 0) {
54 printf("\tmov %s, %s\n", dst, src);
58 void moveimm(long imm, char *dst)
60 static int constlbl = 1;
61 if((imm > 65536-1) || (imm < -65536)) {
62 printf("\t.align 2\n\t.CONSTLBL%i\n\t.word %i\n", constlbl++);
63 printf("\tldr %s, .CONSTLBL%i\n", dst, constlbl);
66 printf("\t%s %s, #%d\n", imm >= 0 ? "mov" : "mvn", dst, imm >= 0 ? imm : (-1 * imm) - 1);
70 char *next_reg(char *s, int params)
73 if (s != (char*) NULL) {
74 while(strcmp(s, regsppc[i]) != 0) {
80 fprintf(stderr, "next_reg(): %s (bei %i parameter)\n", regsppc[i], params);
85 char *reg_64to8l(char *s)
87 fprintf(stderr, "reg_64to8l(): sollte nicht passieren\n");
92 char *param_reg(int num)
94 char *regs[] = {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9"};