+
+void
+sh_cfi_frame_initial_instructions (void)
+{
+ cfi_add_CFA_def_cfa (15, 0);
+}
+
+int
+sh_regname_to_dw2regnum (const char *regname)
+{
+ unsigned int regnum = -1;
+ unsigned int i;
+ const char *p;
+ char *q;
+ static struct { char *name; int dw2regnum; } regnames[] =
+ {
+ { "pr", 17 }, { "t", 18 }, { "gbr", 19 }, { "mach", 20 },
+ { "macl", 21 }, { "fpul", 23 }
+ };
+
+ for (i = 0; i < ARRAY_SIZE (regnames); ++i)
+ if (strcmp (regnames[i].name, regname) == 0)
+ return regnames[i].dw2regnum;
+
+ if (regname[0] == 'r')
+ {
+ p = regname + 1;
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 16)
+ return -1;
+ }
+ else if (regname[0] == 'f' && regname[1] == 'r')
+ {
+ p = regname + 2;
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 16)
+ return -1;
+ regnum += 25;
+ }
+ else if (regname[0] == 'x' && regname[1] == 'd')
+ {
+ p = regname + 2;
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 8)
+ return -1;
+ regnum += 87;
+ }
+ return regnum;
+}