2002-05-26 Jason Thorpe <thorpej@wasabisystems.com>
+ * ns32k-tdep.c: include gdbtypes.h, inferior.h, regcache.h,
+ target.s, arch-utils.h, ns32k-tdep.h. Make many functions
+ static. Rename some register numbers to put them in ns32k-tdep
+ private namespace.
+ (ns32k_get_saved_register, ns32k_gdbarch_init_32082,
+ ns32k_gdbarch_init_32382, ns32k_gdbarch_init, ns32k_dump_tdep): New
+ functions.
+ (_initialize_ns32k_tdep): Use gdbarch_register.
+ * ns32k-tdep.h: New file.
+ * ns32knbsd-tdep.c: New file.
+ * config/ns32k/nbsdaout.mt (TDEPFILES): Add ns32knbsd-tdep.o.
+ * config/ns32k/tm-nbsd.h: Include "ns32k/tm-ns32k.h".
+ (IN_SOLIB_CALL_TRAMPOLINE, REGISTER_NAME, NUM_REGS,
+ REGISTER_BYTES, REGISTER_BYTE): Remove.
+ * config/ns32k/tm-ns32k.h: New file.
+ * config/ns32k/tm-umax.h: Remove.
+
+2002-05-26 Jason Thorpe <thorpej@wasabisystems.com>
+
* ns32k-tdep.c (ns32k_saved_pc_after_call,
ns32k_store_struct_return, ns32k_extract_return_value,
ns32k_store_return_value, ns32k_extract_struct_value_address): New
# Target: PC532 running NetBSD
-TDEPFILES= ns32k-tdep.o
+TDEPFILES= ns32k-tdep.o ns32knbsd-tdep.o
TM_FILE= tm-nbsd.h
/* Most definitions from umax could be used. */
-#include "ns32k/tm-umax.h"
-
-/* Return non-zero if we are in a shared library trampoline code stub. */
-#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
- (name && !strcmp(name, "_DYNAMIC"))
+#include "ns32k/tm-ns32k.h"
/* Saved Pc. Get it from sigcontext if within sigtramp. */
/* Offset to saved PC in sigcontext, from <machine/signal.h>. */
#define SIGCONTEXT_PC_OFFSET 20
-/* tm-umax.h assumes a 32082 fpu. We have a 32382 fpu. */
-
-#undef REGISTER_NAME
-#define REGISTER_NAME(REGNUM) ns32k_register_name_32382((REGNUM))
-
-#undef NUM_REGS
-#define NUM_REGS 29
-
-/* Total amount of space needed to store our copies of the machine's
- register state, the array `registers'. */
-#undef REGISTER_BYTES
-#define REGISTER_BYTES \
- ((NUM_REGS - 4) * REGISTER_RAW_SIZE(R0_REGNUM) \
- + 8 * REGISTER_RAW_SIZE(LP0_REGNUM))
-
-#undef REGISTER_BYTE
-#define REGISTER_BYTE(N) ns32k_register_byte_32382 ((N))
-
#endif /* TM_NBSD_H */
--- /dev/null
+/* Definitions to make GDB run on an encore under umax 4.2
+ Copyright 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef TM_NS32K_H
+#define TM_NS32K_H
+
+#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
+
+/* Need to get function ends by adding this to epilogue address from .bf
+ record, not using x_fsize field. */
+#define FUNCTION_EPILOGUE_SIZE 4
+
+/* Address of end of stack space. */
+
+#ifndef STACK_END_ADDR
+#define STACK_END_ADDR (0xfffff000)
+#endif
+
+#define NUM_GENERAL_REGS 8
+
+#endif /* TM_NS32K_H */
+++ /dev/null
-/* Definitions to make GDB run on an encore under umax 4.2
- Copyright 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include "regcache.h"
-
-struct value;
-struct type;
-
-/* Need to get function ends by adding this to epilogue address from .bf
- record, not using x_fsize field. */
-#define FUNCTION_EPILOGUE_SIZE 4
-
-/* Offset from address of function to start of its code.
- Zero on most machines. */
-
-#define FUNCTION_START_OFFSET 0
-
-/* Advance PC across any function entry prologue instructions
- to reach some "real" code. */
-
-extern CORE_ADDR umax_skip_prologue (CORE_ADDR);
-#define SKIP_PROLOGUE(pc) (umax_skip_prologue (pc))
-
-CORE_ADDR ns32k_saved_pc_after_call (struct frame_info *);
-#define SAVED_PC_AFTER_CALL(frame) ns32k_saved_pc_after_call ((frame))
-
-/* Address of end of stack space. */
-
-#ifndef STACK_END_ADDR
-#define STACK_END_ADDR (0xfffff000)
-#endif
-
-/* Stack grows downward. */
-
-#define INNER_THAN(lhs,rhs) core_addr_lessthan ((lhs), (rhs))
-
-extern const unsigned char *ns32k_breakpoint_from_pc (CORE_ADDR *, int *);
-#define BREAKPOINT_FROM_PC(PCP, LENP) ns32k_breakpoint_from_pc ((PCP), (LENP))
-
-/* Amount PC must be decremented by after a breakpoint.
- This is often the number of bytes in BREAKPOINT
- but not always. */
-
-#define DECR_PC_AFTER_BREAK 0
-
-/* Say how long (ordinary) registers are. This is a piece of bogosity
- used in push_word and a few other places; REGISTER_RAW_SIZE is the
- real way to know how big a register is. */
-
-#define REGISTER_SIZE 4
-
-/* Number of machine registers */
-
-#define NUM_REGS 25
-
-#define NUM_GENERAL_REGS 8
-
-extern char *ns32k_register_name_32082 (int);
-extern char *ns32k_register_name_32382 (int);
-
-#define REGISTER_NAME(REGNUM) ns32k_register_name_32082(REGNUM)
-
-/* Register numbers of various important registers.
- Note that some of these values are "real" register numbers,
- and correspond to the general registers of the machine,
- and some are "phony" register numbers which are too large
- to be actual register numbers as far as the user is concerned
- but do serve to get the desired values when passed to read_register. */
-
-#define R0_REGNUM 0 /* General register 0 */
-#define FP0_REGNUM 8 /* Floating point register 0 */
-#define SP_REGNUM 16 /* Contains address of top of stack */
-#define AP_REGNUM FP_REGNUM
-#define FP_REGNUM 17 /* Contains address of executing stack frame */
-#define PC_REGNUM 18 /* Contains program counter */
-#define PS_REGNUM 19 /* Contains processor status */
-#define FPS_REGNUM 20 /* Floating point status register */
-#define LP0_REGNUM 21 /* Double register 0 (same as FP0) */
-
-/* Total amount of space needed to store our copies of the machine's
- register state, the array `registers'. */
-#define REGISTER_BYTES \
- ((NUM_REGS - 4) * REGISTER_RAW_SIZE(R0_REGNUM) \
- + 4 * REGISTER_RAW_SIZE(LP0_REGNUM))
-
-/* Index within `registers' of the first byte of the space for
- register N. */
-extern int ns32k_register_byte_32082 (int);
-extern int ns32k_register_byte_32382 (int);
-#define REGISTER_BYTE(N) ns32k_register_byte_32082 ((N))
-
-extern int ns32k_register_raw_size (int);
-#define REGISTER_RAW_SIZE(N) ns32k_register_raw_size ((N))
-
-extern int ns32k_register_virtual_size (int);
-#define REGISTER_VIRTUAL_SIZE(N) ns32k_register_virtual_size ((N))
-
-/* Largest value REGISTER_RAW_SIZE can have. */
-
-#define MAX_REGISTER_RAW_SIZE 8
-
-/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-
-#define MAX_REGISTER_VIRTUAL_SIZE 8
-
-struct type *ns32k_register_virtual_type (int);
-#define REGISTER_VIRTUAL_TYPE(N) ns32k_register_virtual_type ((N))
-
-extern void ns32k_store_struct_return (CORE_ADDR, CORE_ADDR);
-#define STORE_STRUCT_RETURN(ADDR, SP) \
- ns32k_store_struct_return ((ADDR), (SP))
-
-extern void ns32k_extract_return_value (struct type *, char *, char *);
-#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- ns32k_extract_return_value ((TYPE), (REGBUF), (VALBUF))
-
-extern void ns32k_store_return_value (struct type *, char *);
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- ns32k_store_return_value ((TYPE), (VALBUF))
-
-extern CORE_ADDR ns32k_extract_struct_value_address (char *);
-#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- ns32k_extract_struct_value_address ((REGBUF))
-\f
-/* Describe the pointer in each stack frame to the previous stack frame
- (its caller). */
-
-CORE_ADDR ns32k_frame_chain (struct frame_info *);
-#define FRAME_CHAIN(thisframe) ns32k_frame_chain ((thisframe))
-
-CORE_ADDR ns32k_frame_saved_pc (struct frame_info *);
-#define FRAME_SAVED_PC(FRAME) ns32k_frame_saved_pc ((FRAME))
-
-CORE_ADDR ns32k_frame_args_address (struct frame_info *);
-#define FRAME_ARGS_ADDRESS(fi) ns32k_frame_args_address ((fi))
-
-CORE_ADDR ns32k_frame_locals_address (struct frame_info *);
-#define FRAME_LOCALS_ADDRESS(fi) ns32k_frame_locals_address ((fi))
-
-/* Return number of args passed to a frame.
- Can return -1, meaning no way to tell. */
-
-extern int umax_frame_num_args (struct frame_info *);
-#define FRAME_NUM_ARGS(fi) (umax_frame_num_args ((fi)))
-
-/* Return number of bytes at start of arglist that are not really args. */
-
-#define FRAME_ARGS_SKIP 8
-
-void ns32k_frame_init_saved_regs (struct frame_info *);
-#define FRAME_INIT_SAVED_REGS(FI) ns32k_frame_init_saved_regs ((FI))
-
-\f
-/* Things needed for making the inferior call functions. */
-
-extern void ns32k_push_dummy_frame (void);
-#define PUSH_DUMMY_FRAME ns32k_push_dummy_frame ()
-
-extern void ns32k_pop_frame (void);
-#define POP_FRAME ns32k_pop_frame ()
-
-extern LONGEST ns32k_call_dummy_words[];
-#define CALL_DUMMY_WORDS ns32k_call_dummy_words
-
-extern int sizeof_ns32k_call_dummy_words;
-#define SIZEOF_CALL_DUMMY_WORDS sizeof_ns32k_call_dummy_words
-
-#define CALL_DUMMY_START_OFFSET 3
-
-extern void ns32k_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
- struct value **, struct type *, int);
-#define FIX_CALL_DUMMY(dummy, pc, fun, nargs, args, type, gcc_p) \
- ns32k_fix_call_dummy ((dummy), (pc), (fun), (nargs), (args), (type), (gcc_p))
-/* Print NS 32000 instructions for GDB, the GNU debugger.
+/* Target dependent code for the NS32000, for GDB.
Copyright 1986, 1988, 1991, 1992, 1994, 1995, 1998, 1999, 2000, 2001,
2002 Free Software Foundation, Inc.
#include "defs.h"
#include "frame.h"
+#include "gdbtypes.h"
#include "gdbcore.h"
+#include "inferior.h"
+#include "regcache.h"
+#include "target.h"
+
+#include "arch-utils.h"
+
+#include "ns32k-tdep.h"
static int sign_extend (int value, int bits);
static CORE_ADDR ns32k_get_enter_addr (CORE_ADDR);
static int ns32k_localcount (CORE_ADDR enter_pc);
static void flip_bytes (void *, int);
-char *
+static char *
ns32k_register_name_32082 (int regno)
{
static char *register_names[] =
return (register_names[regno]);
}
-char *
+static char *
ns32k_register_name_32382 (int regno)
{
static char *register_names[] =
return (register_names[regno]);
}
-int
+static int
ns32k_register_byte_32082 (int regno)
{
- if (regno >= LP0_REGNUM)
- return (LP0_REGNUM * 4) + ((regno - LP0_REGNUM) * 8);
+ if (regno >= NS32K_LP0_REGNUM)
+ return (NS32K_LP0_REGNUM * 4) + ((regno - NS32K_LP0_REGNUM) * 8);
return (regno * 4);
}
-int
+static int
ns32k_register_byte_32382 (int regno)
{
/* This is a bit yuk. The even numbered double precision floating
registers are at the end. Doing it this way is compatible for both
32081 and 32381 equipped machines. */
- return ((regno < LP0_REGNUM ? regno
- : (regno - LP0_REGNUM) & 1 ? regno - 1
- : (regno - LP0_REGNUM + FP0_REGNUM)) * 4);
+ return ((regno < NS32K_LP0_REGNUM ? regno
+ : (regno - NS32K_LP0_REGNUM) & 1 ? regno - 1
+ : (regno - NS32K_LP0_REGNUM + FP0_REGNUM)) * 4);
}
-int
+static int
ns32k_register_raw_size (int regno)
{
/* All registers are 4 bytes, except for the doubled floating
registers. */
- return ((regno >= LP0_REGNUM) ? 8 : 4);
+ return ((regno >= NS32K_LP0_REGNUM) ? 8 : 4);
}
-int
+static int
ns32k_register_virtual_size (int regno)
{
- return ((regno >= LP0_REGNUM) ? 8 : 4);
+ return ((regno >= NS32K_LP0_REGNUM) ? 8 : 4);
}
-struct type *
+static struct type *
ns32k_register_virtual_type (int regno)
{
if (regno < FP0_REGNUM)
if (regno < FP0_REGNUM + 8)
return (builtin_type_float);
- if (regno < LP0_REGNUM)
+ if (regno < NS32K_LP0_REGNUM)
return (builtin_type_int);
return (builtin_type_double);
the new frame is not set up until the new function executes some
instructions. */
-CORE_ADDR
+static CORE_ADDR
ns32k_saved_pc_after_call (struct frame_info *frame)
{
return (read_memory_integer (read_register (SP_REGNUM), 4));
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
-CORE_ADDR
+static CORE_ADDR
umax_skip_prologue (CORE_ADDR pc)
{
register unsigned char op = read_memory_integer (pc, 1);
return pc;
}
\f
-const unsigned char *
+static const unsigned char *
ns32k_breakpoint_from_pc (CORE_ADDR *pcp, int *lenp)
{
static const unsigned char breakpoint_insn[] = { 0xf2 };
so this will often not work properly. If the arg names
are known, it's likely most of them will be printed. */
-int
+static int
umax_frame_num_args (struct frame_info *fi)
{
int numargs;
return enter_addr; /* pc is between enter and exit */
}
-CORE_ADDR
+static CORE_ADDR
ns32k_frame_chain (struct frame_info *frame)
{
/* In the case of the NS32000 series, the frame's nominal address is the
return (read_memory_integer (frame->frame, 4));
}
-CORE_ADDR
+static CORE_ADDR
ns32k_frame_saved_pc (struct frame_info *frame)
{
if (frame->signal_handler_caller)
return (read_memory_integer (frame->frame + 4, 4));
}
-CORE_ADDR
+static CORE_ADDR
ns32k_frame_args_address (struct frame_info *frame)
{
if (ns32k_get_enter_addr (frame->pc) > 1)
return (read_register (SP_REGNUM) - 4);
}
-CORE_ADDR
+static CORE_ADDR
ns32k_frame_locals_address (struct frame_info *frame)
{
return (frame->frame);
}
+static void
+ns32k_get_saved_register (char *raw_buffer, int *optimized, CORE_ADDR *addrp,
+ struct frame_info *frame, int regnum,
+ enum lval_type *lval)
+{
+ CORE_ADDR addr;
+
+ if (!target_has_registers)
+ error ("No registers.");
+
+ /* Normal systems don't optimize out things with register numbers. */
+ if (optimized != NULL)
+ *optimized = 0;
+ addr = find_saved_register (frame, regnum);
+ if (addr != 0)
+ {
+ if (lval != NULL)
+ *lval = lval_memory;
+ if (regnum == SP_REGNUM)
+ {
+ if (raw_buffer != NULL)
+ {
+ /* Put it back in target format. */
+ store_address (raw_buffer, REGISTER_RAW_SIZE (regnum),
+ (LONGEST) addr);
+ }
+ if (addrp != NULL)
+ *addrp = 0;
+ return;
+ }
+ if (raw_buffer != NULL)
+ target_read_memory (addr, raw_buffer, REGISTER_RAW_SIZE (regnum));
+ }
+ else
+ {
+ if (lval != NULL)
+ *lval = lval_register;
+ addr = REGISTER_BYTE (regnum);
+ if (raw_buffer != NULL)
+ read_register_gen (regnum, raw_buffer);
+ }
+ if (addrp != NULL)
+ *addrp = addr;
+}
+
/* Code to initialize the addresses of the saved registers of frame described
by FRAME_INFO. This includes special registers such as pc and fp saved in
special ways in the stack frame. sp is even more special: the address we
return for it IS the sp for the next frame. */
-void
+static void
ns32k_frame_init_saved_regs (struct frame_info *frame)
{
int regmask, regnum;
}
}
-void
+static void
ns32k_push_dummy_frame (void)
{
CORE_ADDR sp = read_register (SP_REGNUM);
write_register (SP_REGNUM, sp);
}
-void
+static void
ns32k_pop_frame (void)
{
struct frame_info *frame = get_current_frame ();
It is 16 bytes long. */
-LONGEST ns32k_call_dummy_words[] =
+static LONGEST ns32k_call_dummy_words[] =
{
0x7f00ff82,
0x0201c0ae,
0x01a57f03,
0xf2040302
};
-int sizeof_ns32k_call_dummy_words = sizeof (ns32k_call_dummy_words);
+static int sizeof_ns32k_call_dummy_words = sizeof (ns32k_call_dummy_words);
#define NS32K_CALL_DUMMY_ADDR 5
#define NS32K_CALL_DUMMY_NARGS 11
-void
+static void
ns32k_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
struct value **args, struct type *type, int gcc_p)
{
store_unsigned_integer (dummy + NS32K_CALL_DUMMY_NARGS, 4, flipped);
}
\f
-void
+static void
ns32k_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
/* On this machine, this is a no-op (Encore Umax didn't use GCC). */
}
-void
+static void
ns32k_extract_return_value (struct type *valtype, char *regbuf, char *valbuf)
{
memcpy (valbuf,
FP0_REGNUM : 0), TYPE_LENGTH (valtype));
}
-void
+static void
ns32k_store_return_value (struct type *valtype, char *valbuf)
{
write_register_bytes (TYPE_CODE (valtype) == TYPE_CODE_FLT ?
FP0_REGNUM : 0, valbuf, TYPE_LENGTH (valtype));
}
-CORE_ADDR
+static CORE_ADDR
ns32k_extract_struct_value_address (char *regbuf)
{
return (extract_address (regbuf + REGISTER_BYTE (0), REGISTER_RAW_SIZE (0)));
}
\f
void
+ns32k_gdbarch_init_32082 (struct gdbarch *gdbarch)
+{
+ set_gdbarch_num_regs (gdbarch, NS32K_NUM_REGS_32082);
+
+ set_gdbarch_register_name (gdbarch, ns32k_register_name_32082);
+ set_gdbarch_register_bytes (gdbarch, NS32K_REGISTER_BYTES_32082);
+ set_gdbarch_register_byte (gdbarch, ns32k_register_byte_32082);
+}
+
+void
+ns32k_gdbarch_init_32382 (struct gdbarch *gdbarch)
+{
+ set_gdbarch_num_regs (gdbarch, NS32K_NUM_REGS_32382);
+
+ set_gdbarch_register_name (gdbarch, ns32k_register_name_32382);
+ set_gdbarch_register_bytes (gdbarch, NS32K_REGISTER_BYTES_32382);
+ set_gdbarch_register_byte (gdbarch, ns32k_register_byte_32382);
+}
+
+/* Initialize the current architecture based on INFO. If possible, re-use an
+ architecture from ARCHES, which is a list of architectures already created
+ during this debugging session.
+
+ Called e.g. at program startup, when reading a core file, and when reading
+ a binary file. */
+
+static struct gdbarch *
+ns32k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
+{
+ struct gdbarch_tdep *tdep;
+ struct gdbarch *gdbarch;
+ enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
+
+ /* Try to determine the OS ABI of the object we are loading. */
+ if (info.abfd != NULL)
+ {
+ osabi = gdbarch_lookup_osabi (info.abfd);
+ }
+
+ /* Find a candidate among extant architectures. */
+ for (arches = gdbarch_list_lookup_by_info (arches, &info);
+ arches != NULL;
+ arches = gdbarch_list_lookup_by_info (arches->next, &info))
+ {
+ /* Make sure the OS ABI selection matches. */
+ tdep = gdbarch_tdep (arches->gdbarch);
+ if (tdep && tdep->osabi == osabi)
+ return arches->gdbarch;
+ }
+
+ tdep = xmalloc (sizeof (struct gdbarch_tdep));
+ gdbarch = gdbarch_alloc (&info, tdep);
+
+ tdep->osabi = osabi;
+
+ /* Register info */
+ ns32k_gdbarch_init_32082 (gdbarch);
+ set_gdbarch_num_regs (gdbarch, NS32K_SP_REGNUM);
+ set_gdbarch_num_regs (gdbarch, NS32K_FP_REGNUM);
+ set_gdbarch_num_regs (gdbarch, NS32K_PC_REGNUM);
+ set_gdbarch_num_regs (gdbarch, NS32K_PS_REGNUM);
+
+ set_gdbarch_register_size (gdbarch, NS32K_REGISTER_SIZE);
+ set_gdbarch_register_raw_size (gdbarch, ns32k_register_raw_size);
+ set_gdbarch_max_register_raw_size (gdbarch, NS32K_MAX_REGISTER_RAW_SIZE);
+ set_gdbarch_register_virtual_size (gdbarch, ns32k_register_virtual_size);
+ set_gdbarch_max_register_virtual_size (gdbarch,
+ NS32K_MAX_REGISTER_VIRTUAL_SIZE);
+ set_gdbarch_register_virtual_type (gdbarch, ns32k_register_virtual_type);
+
+ /* Frame and stack info */
+ set_gdbarch_skip_prologue (gdbarch, umax_skip_prologue);
+ set_gdbarch_saved_pc_after_call (gdbarch, ns32k_saved_pc_after_call);
+
+ set_gdbarch_frame_num_args (gdbarch, umax_frame_num_args);
+ set_gdbarch_frameless_function_invocation (gdbarch,
+ generic_frameless_function_invocation_not);
+
+ set_gdbarch_frame_chain (gdbarch, ns32k_frame_chain);
+ set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
+ set_gdbarch_frame_saved_pc (gdbarch, ns32k_frame_saved_pc);
+
+ set_gdbarch_frame_args_address (gdbarch, ns32k_frame_args_address);
+ set_gdbarch_frame_locals_address (gdbarch, ns32k_frame_locals_address);
+
+ set_gdbarch_frame_init_saved_regs (gdbarch, ns32k_frame_init_saved_regs);
+
+ set_gdbarch_frame_args_skip (gdbarch, 8);
+
+ set_gdbarch_get_saved_register (gdbarch, ns32k_get_saved_register);
+
+ set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
+
+ /* Return value info */
+ set_gdbarch_store_struct_return (gdbarch, ns32k_store_struct_return);
+ set_gdbarch_extract_return_value (gdbarch, ns32k_extract_return_value);
+ set_gdbarch_store_return_value (gdbarch, ns32k_store_return_value);
+ set_gdbarch_extract_struct_value_address (gdbarch,
+ ns32k_extract_struct_value_address);
+
+ /* Call dummy info */
+ set_gdbarch_push_dummy_frame (gdbarch, ns32k_push_dummy_frame);
+ set_gdbarch_pop_frame (gdbarch, ns32k_pop_frame);
+ set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
+ set_gdbarch_call_dummy_p (gdbarch, 1);
+ set_gdbarch_call_dummy_words (gdbarch, ns32k_call_dummy_words);
+ set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof_ns32k_call_dummy_words);
+ set_gdbarch_fix_call_dummy (gdbarch, ns32k_fix_call_dummy);
+ set_gdbarch_call_dummy_start_offset (gdbarch, 3);
+ set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 0);
+ set_gdbarch_use_generic_dummy_frames (gdbarch, 0);
+ set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_on_stack);
+ set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
+
+ /* Breakpoint info */
+ set_gdbarch_decr_pc_after_break (gdbarch, 0);
+ set_gdbarch_breakpoint_from_pc (gdbarch, ns32k_breakpoint_from_pc);
+
+ /* Misc info */
+ set_gdbarch_function_start_offset (gdbarch, 0);
+
+ /* Hook in OS ABI-specific overrides, if they have been registered. */
+ gdbarch_init_osabi (info, gdbarch, osabi);
+
+ return (gdbarch);
+}
+
+static void
+ns32k_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ if (tdep == NULL)
+ return;
+
+ fprintf_unfiltered (file, "ns32k_dump_tdep: OS ABI = %s\n",
+ gdbarch_osabi_name (tdep->osabi));
+}
+
+void
_initialize_ns32k_tdep (void)
{
+ gdbarch_register (bfd_arch_ns32k, ns32k_gdbarch_init, ns32k_dump_tdep);
+
tm_print_insn = print_insn_ns32k;
}
--- /dev/null
+/* Target-dependent definitions for GDB on NS32000 systems.
+ Copyright 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef NS32K_TDEP_H
+#define NS32K_TDEP_H
+
+#include "osabi.h"
+
+/* Register numbers of various important registers.
+ Note that some of these values are "real" register numbers,
+ and correspond to the general registers of the machine,
+ and some are "phony" register numbers which are too large
+ to be actual register numbers as far as the user is concerned
+ but do serve to get the desired values when passed to read_register. */
+
+#define NS32K_R0_REGNUM 0 /* General register 0 */
+#define NS32K_FP0_REGNUM 8 /* Floating point register 0 */
+#define NS32K_SP_REGNUM 16 /* Contains address of top of stack */
+#define NS32K_AP_REGNUM NS32K_FP_REGNUM
+#define NS32K_FP_REGNUM 17 /* Contains address of executing stack frame */
+#define NS32K_PC_REGNUM 18 /* Contains program counter */
+#define NS32K_PS_REGNUM 19 /* Contains processor status */
+#define NS32K_FPS_REGNUM 20 /* Floating point status register */
+#define NS32K_LP0_REGNUM 21 /* Double register 0 (same as FP0) */
+
+#define NS32K_NUM_REGS_32082 25
+#define NS32K_REGISTER_BYTES_32082 \
+ ((NS32K_NUM_REGS_32082 - 4) * 4 /* size of general purpose regs */ \
+ + 4 * 8 /* size of floating point regs */)
+
+#define NS32K_NUM_REGS_32382 29
+#define NS32K_REGISTER_BYTES_32382 \
+ ((NS32K_NUM_REGS_32382 - 4) * 4 /* size of general purpose regs */ \
+ + 8 * 8 /* size of floating point regs */)
+
+#define NS32K_REGISTER_SIZE 4
+#define NS32K_MAX_REGISTER_RAW_SIZE 8
+#define NS32K_MAX_REGISTER_VIRTUAL_SIZE 8
+
+struct gdbarch_tdep
+{
+ enum gdb_osabi osabi;
+};
+
+void ns32k_gdbarch_init_32082 (struct gdbarch *);
+void ns32k_gdbarch_init_32382 (struct gdbarch *);
+
+#endif /* NS32K_TDEP_H */
--- /dev/null
+/* Target-dependent code for NS32000 systems running NetBSD.
+ Copyright 2002 Free Software Foundation, Inc.
+ Contributed by Wasabi Systems, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+
+#include "ns32k-tdep.h"
+
+static int
+ns32knbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
+{
+ if (strcmp (name, "_DYNAMIC") == 0)
+ return 1;
+
+ return 0;
+}
+
+static void
+ns32knbsd_init_abi_common (struct gdbarch_info info,
+ struct gdbarch *gdbarch)
+{
+ /* We only support machines with the 32382 FPU. */
+ ns32k_gdbarch_init_32382 (gdbarch);
+}
+
+static void
+ns32knbsd_init_abi_aout (struct gdbarch_info info,
+ struct gdbarch *gdbarch)
+{
+ ns32knbsd_init_abi_common (info, gdbarch);
+
+ set_gdbarch_in_solib_call_trampoline (gdbarch,
+ ns32knbsd_aout_in_solib_call_trampoline);
+}
+
+static enum gdb_osabi
+ns32knbsd_aout_osabi_sniffer (bfd *abfd)
+{
+ if (strcmp (bfd_get_target (abfd), "a.out-ns32k-netbsd") == 0)
+ return GDB_OSABI_NETBSD_AOUT;
+
+ return GDB_OSABI_UNKNOWN;
+}
+
+void
+_initialize_ns32knbsd_tdep (void)
+{
+ gdbarch_register_osabi_sniffer (bfd_arch_ns32k, bfd_target_aout_flavour,
+ ns32knbsd_aout_osabi_sniffer);
+
+ gdbarch_register_osabi (bfd_arch_ns32k, GDB_OSABI_NETBSD_AOUT,
+ ns32knbsd_init_abi_aout);
+}
projects / platform / upstream / binutils.git / commitdiff