#include "symfile.h"
#include "objfiles.h"
-void d10v_frame_find_saved_regs PARAMS ((struct frame_info *fi,
- struct frame_saved_regs *fsr));
+/* Local functions */
+
+extern void _initialize_d10v_tdep PARAMS ((void));
+
+static void d10v_eva_prepare_to_trace PARAMS ((void));
+
+static void d10v_eva_get_trace_data PARAMS ((void));
int
d10v_frame_chain_valid (chain, frame)
}
+unsigned char *
+d10v_breakpoint_from_pc (pcptr, lenptr)
+ CORE_ADDR *pcptr;
+ int *lenptr;
+{
+ static unsigned char breakpoint [] = {0x2f, 0x90, 0x5e, 0x00};
+ *lenptr = sizeof (breakpoint);
+ return breakpoint;
+}
+
+char *
+d10v_register_name (reg_nr)
+ int reg_nr;
+{
+ static char *register_names[] = {
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+ "r8", "r9", "r10","r11","r12", "r13", "r14","r15",
+ "psw","bpsw","pc","bpc", "cr4", "cr5", "cr6", "rpt_c",
+ "rpt_s","rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "cr15",
+ "imap0","imap1","dmap","a0", "a1"
+ };
+ if (reg_nr < 0)
+ return NULL;
+ if (reg_nr >= (sizeof (register_names) / sizeof (*register_names)))
+ return NULL;
+ return register_names [reg_nr];
+}
+
+
+/* Index within `registers' of the first byte of the space for
+ register REG_NR. */
+
+int
+d10v_register_byte (reg_nr)
+ int reg_nr;
+{
+ if (reg_nr > A0_REGNUM)
+ return ((reg_nr - A0_REGNUM) * 8 + (A0_REGNUM * 2));
+ else
+ return (reg_nr * 2);
+}
+
+/* Number of bytes of storage in the actual machine representation for
+ register REG_NR. */
+
+int
+d10v_register_raw_size (reg_nr)
+ int reg_nr;
+{
+ if (reg_nr >= A0_REGNUM)
+ return 8;
+ else
+ return 2;
+}
+
+/* Number of bytes of storage in the program's representation
+ for register N. */
+
+int
+d10v_register_virtual_size (reg_nr)
+ int reg_nr;
+{
+ if (reg_nr >= A0_REGNUM)
+ return 8;
+ else if (reg_nr == PC_REGNUM || reg_nr == SP_REGNUM)
+ return 4;
+ else
+ return 2;
+}
+
+/* Return the GDB type object for the "standard" data type
+ of data in register N. */
+
+struct type *
+d10v_register_virtual_type (reg_nr)
+ int reg_nr;
+{
+ if (reg_nr >= A0_REGNUM)
+ return builtin_type_long_long;
+ else if (reg_nr == PC_REGNUM || reg_nr == SP_REGNUM)
+ return builtin_type_long;
+ else
+ return builtin_type_short;
+}
+
+#if 0
+/* convert $pc and $sp to/from virtual addresses */
+#define REGISTER_CONVERTIBLE(N) ((N) == PC_REGNUM || (N) == SP_REGNUM)
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
+{ \
+ ULONGEST x = extract_unsigned_integer ((FROM), REGISTER_RAW_SIZE (REGNUM)); \
+ if (REGNUM == PC_REGNUM) x = (x << 2) | IMEM_START; \
+ else x |= DMEM_START; \
+ store_unsigned_integer ((TO), TYPE_LENGTH(TYPE), x); \
+}
+#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
+{ \
+ ULONGEST x = extract_unsigned_integer ((FROM), TYPE_LENGTH(TYPE)); \
+ x &= 0x3ffff; \
+ if (REGNUM == PC_REGNUM) x >>= 2; \
+ store_unsigned_integer ((TO), 2, x); \
+}
+#endif
+
+CORE_ADDR
+d10v_make_daddr (x)
+ CORE_ADDR x;
+{
+ return ((x) | DMEM_START);
+}
+
+CORE_ADDR
+d10v_make_iaddr (x)
+ CORE_ADDR x;
+{
+ return (((x) << 2) | IMEM_START);
+}
+
+int
+d10v_daddr_p (x)
+ CORE_ADDR x;
+{
+ return (((x) & 0x3000000) == DMEM_START);
+}
+
+int
+d10v_iaddr_p (x)
+ CORE_ADDR x;
+{
+ return (((x) & 0x3000000) == IMEM_START);
+}
+
+
+CORE_ADDR
+d10v_convert_iaddr_to_raw (x)
+ CORE_ADDR x;
+{
+ return (((x) >> 2) & 0xffff);
+}
+
+CORE_ADDR
+d10v_convert_daddr_to_raw(x)
+ CORE_ADDR x;
+{
+ return ((x) & 0xffff);
+}
+
+/* Store the address of the place in which to copy the structure the
+ subroutine will return. This is called from call_function.
+
+ We store structs through a pointer passed in the first Argument
+ register. */
+
+void
+d10v_store_struct_return (addr, sp)
+ CORE_ADDR addr;
+ CORE_ADDR sp;
+{
+ write_register (ARG1_REGNUM, (addr));
+}
+
+/* Write into appropriate registers a function return value
+ of type TYPE, given in virtual format.
+
+ Things always get returned in RET1_REGNUM, RET2_REGNUM, ... */
+
+void
+d10v_store_return_value (type,valbuf)
+ struct type *type;
+ char *valbuf;
+{
+ write_register_bytes (REGISTER_BYTE (RET1_REGNUM),
+ valbuf,
+ TYPE_LENGTH (type));
+}
+
+/* Extract from an array REGBUF containing the (raw) register state
+ the address in which a function should return its structure value,
+ as a CORE_ADDR (or an expression that can be used as one). */
+
+CORE_ADDR
+d10v_extract_struct_value_address (regbuf)
+ char *regbuf;
+{
+ return (extract_address ((regbuf) + REGISTER_BYTE (ARG1_REGNUM),
+ REGISTER_RAW_SIZE (ARG1_REGNUM))
+ | DMEM_START);
+}
+
+CORE_ADDR
+d10v_frame_saved_pc (frame)
+ struct frame_info *frame;
+{
+ return ((frame)->return_pc);
+}
+
+CORE_ADDR
+d10v_frame_args_address (fi)
+ struct frame_info *fi;
+{
+ return (fi)->frame;
+}
+
+CORE_ADDR
+d10v_frame_locals_address (fi)
+ struct frame_info *fi;
+{
+ return (fi)->frame;
+}
+
+/* Immediately after a function call, return the saved pc. We can't
+ use frame->return_pc beause that is determined by reading R13 off
+ the stack and that may not be written yet. */
+
+CORE_ADDR
+d10v_saved_pc_after_call (frame)
+ struct frame_info *frame;
+{
+ return ((read_register(LR_REGNUM) << 2)
+ | IMEM_START);
+}
+
/* Discard from the stack the innermost frame, restoring all saved
registers. */
return (*tm_print_insn) (memaddr, &tm_print_insn_info);
}
-void
+static void
d10v_eva_prepare_to_trace ()
{
if (!tracing)
/* Collect trace data from the target board and format it into a form
more useful for display. */
-void
+static void
d10v_eva_get_trace_data ()
{
int count, i, j, oldsize;
projects / deliverable / binutils-gdb.git / blobdiff