+ /* ??? The 32 should probably be NUM_SPARC_FPREGS, but again we're
+ waiting on what REGISTER_RAW_SIZE should be for fp regs. */
+ for (regi = FP0_REGNUM ; regi < FP0_REGNUM + 32 ; regi++)
+ {
+ if ((regno == -1) || (regno == regi))
+ {
+ from = (char *) ®isters[REGISTER_BYTE (regi)];
+ to = (char *) &fpregsetp->pr_fr.pr_regs[regi-FP0_REGNUM];
+ memcpy (to, from, REGISTER_RAW_SIZE (regi));
+ }
+ }
+ if ((regno == -1) || (regno == FPS_REGNUM))
+ {
+ fpregsetp->pr_fsr = *(int *) ®isters[REGISTER_BYTE (FPS_REGNUM)];
+ }
+}
+
+#endif /* defined (FP0_REGNUM) */
+
+#endif /* USE_PROC_FS */
+
+
+#ifdef GET_LONGJMP_TARGET
+
+/* Figure out where the longjmp will land. We expect that we have just entered
+ longjmp and haven't yet setup the stack frame, so the args are still in the
+ output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we
+ extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
+ This routine returns true on success */
+
+int
+get_longjmp_target (pc)
+ CORE_ADDR *pc;
+{
+ CORE_ADDR jb_addr;
+#define LONGJMP_TARGET_SIZE 4
+ char buf[LONGJMP_TARGET_SIZE];
+
+ jb_addr = read_register (O0_REGNUM);
+
+ if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf,
+ LONGJMP_TARGET_SIZE))
+ return 0;
+
+ *pc = extract_address (buf, LONGJMP_TARGET_SIZE);
+
+ return 1;
+}
+#endif /* GET_LONGJMP_TARGET */
+\f
+#ifdef STATIC_TRANSFORM_NAME
+/* SunPRO (3.0 at least), encodes the static variables. This is not
+ related to C++ mangling, it is done for C too. */
+
+char *
+sunpro_static_transform_name (name)
+ char *name;
+{
+ char *p;
+ if (name[0] == '$')
+ {
+ /* For file-local statics there will be a dollar sign, a bunch
+ of junk (the contents of which match a string given in the
+ N_OPT), a period and the name. For function-local statics
+ there will be a bunch of junk (which seems to change the
+ second character from 'A' to 'B'), a period, the name of the
+ function, and the name. So just skip everything before the
+ last period. */
+ p = strrchr (name, '.');
+ if (p != NULL)
+ name = p + 1;
+ }
+ return name;
+}
+#endif /* STATIC_TRANSFORM_NAME */
+\f
+#ifdef GDB_TARGET_IS_SPARC64
+
+/* Utilities for printing registers.
+ Page numbers refer to the SPARC Architecture Manual. */
+
+static void dump_ccreg PARAMS ((char *, int));
+
+static void
+dump_ccreg (reg, val)
+ char *reg;
+ int val;
+{
+ /* page 41 */
+ printf_unfiltered ("%s:%s,%s,%s,%s", reg,
+ val & 8 ? "N" : "NN",
+ val & 4 ? "Z" : "NZ",
+ val & 2 ? "O" : "NO",
+ val & 1 ? "C" : "NC"
+ );
+}
+
+static char *
+decode_asi (val)
+ int val;
+{
+ /* page 72 */
+ switch (val)
+ {
+ case 4 : return "ASI_NUCLEUS";
+ case 0x0c : return "ASI_NUCLEUS_LITTLE";
+ case 0x10 : return "ASI_AS_IF_USER_PRIMARY";
+ case 0x11 : return "ASI_AS_IF_USER_SECONDARY";
+ case 0x18 : return "ASI_AS_IF_USER_PRIMARY_LITTLE";
+ case 0x19 : return "ASI_AS_IF_USER_SECONDARY_LITTLE";
+ case 0x80 : return "ASI_PRIMARY";
+ case 0x81 : return "ASI_SECONDARY";
+ case 0x82 : return "ASI_PRIMARY_NOFAULT";
+ case 0x83 : return "ASI_SECONDARY_NOFAULT";
+ case 0x88 : return "ASI_PRIMARY_LITTLE";
+ case 0x89 : return "ASI_SECONDARY_LITTLE";
+ case 0x8a : return "ASI_PRIMARY_NOFAULT_LITTLE";
+ case 0x8b : return "ASI_SECONDARY_NOFAULT_LITTLE";
+ default : return NULL;
+ }
+}
+
+/* PRINT_REGISTER_HOOK routine.
+ Pretty print various registers. */
+/* FIXME: Would be nice if this did some fancy things for 32 bit sparc. */
+
+void
+sparc_print_register_hook (regno)
+ int regno;
+{
+ unsigned LONGEST val;
+
+ if (((unsigned) (regno) - FP0_REGNUM < FP_MAX_REGNUM - FP0_REGNUM)
+ && ((regno) & 1) == 0)
+ {
+ char doublereg[8]; /* two float regs */
+ if (!read_relative_register_raw_bytes ((regno), doublereg))
+ {
+ printf_unfiltered("\t");
+ print_floating (doublereg, builtin_type_double, gdb_stdout);
+ }
+ return;
+ }
+
+ /* FIXME: Some of these are priviledged registers.
+ Not sure how they should be handled. */
+
+#define BITS(n, mask) ((int) (((val) >> (n)) & (mask)))
+
+ val = read_register (regno);
+
+ /* pages 40 - 60 */
+ switch (regno)
+ {
+ case CCR_REGNUM :
+ printf_unfiltered("\t");
+ dump_ccreg ("xcc", val >> 4);
+ printf_unfiltered(", ");
+ dump_ccreg ("icc", val & 15);
+ break;
+ case FPRS_REGNUM :
+ printf ("\tfef:%d, du:%d, dl:%d",
+ BITS (2, 1), BITS (1, 1), BITS (0, 1));
+ break;
+ case FSR_REGNUM :
+ {
+ static char *fcc[4] = { "=", "<", ">", "?" };
+ static char *rd[4] = { "N", "0", "+", "-" };
+ /* Long, yes, but I'd rather leave it as is and use a wide screen. */
+ printf ("\t0:%s, 1:%s, 2:%s, 3:%s, rd:%s, tem:%d, ns:%d, ver:%d, ftt:%d, qne:%d, aexc:%d, cexc:%d",
+ fcc[BITS (10, 3)], fcc[BITS (32, 3)],
+ fcc[BITS (34, 3)], fcc[BITS (36, 3)],
+ rd[BITS (30, 3)], BITS (23, 31), BITS (22, 1), BITS (17, 7),
+ BITS (14, 7), BITS (13, 1), BITS (5, 31), BITS (0, 31));
+ break;
+ }
+ case ASI_REGNUM :
+ {
+ char *asi = decode_asi (val);
+ if (asi != NULL)
+ printf ("\t%s", asi);
+ break;
+ }
+ case VER_REGNUM :
+ printf ("\tmanuf:%d, impl:%d, mask:%d, maxtl:%d, maxwin:%d",
+ BITS (48, 0xffff), BITS (32, 0xffff),
+ BITS (24, 0xff), BITS (8, 0xff), BITS (0, 31));
+ break;
+ case PSTATE_REGNUM :
+ {
+ static char *mm[4] = { "tso", "pso", "rso", "?" };
+ printf ("\tcle:%d, tle:%d, mm:%s, red:%d, pef:%d, am:%d, priv:%d, ie:%d, ag:%d",
+ BITS (9, 1), BITS (8, 1), mm[BITS (6, 3)], BITS (5, 1),
+ BITS (4, 1), BITS (3, 1), BITS (2, 1), BITS (1, 1),
+ BITS (0, 1));
+ break;
+ }
+ case TSTATE_REGNUM :
+ /* FIXME: print all 4? */
+ break;
+ case TT_REGNUM :
+ /* FIXME: print all 4? */
+ break;
+ case TPC_REGNUM :
+ /* FIXME: print all 4? */
+ break;
+ case TNPC_REGNUM :
+ /* FIXME: print all 4? */
+ break;
+ case WSTATE_REGNUM :
+ printf ("\tother:%d, normal:%d", BITS (3, 7), BITS (0, 7));
+ break;
+ case CWP_REGNUM :
+ printf ("\t%d", BITS (0, 31));
+ break;
+ case CANSAVE_REGNUM :
+ printf ("\t%-2d before spill", BITS (0, 31));
+ break;
+ case CANRESTORE_REGNUM :
+ printf ("\t%-2d before fill", BITS (0, 31));
+ break;
+ case CLEANWIN_REGNUM :
+ printf ("\t%-2d before clean", BITS (0, 31));
+ break;
+ case OTHERWIN_REGNUM :
+ printf ("\t%d", BITS (0, 31));
+ break;
+ }
+
+#undef BITS
+}
+
+#endif
+\f
+void
+_initialize_sparc_tdep ()
+{
+ tm_print_insn = print_insn_sparc;
+}
projects / binutils.git / blobdiff