* vax-tdep.h: Update copyright year. Adjust comments.
(VAX_REGISTER_SIZE, VAX_REGISTER_BYTES, VAX_MAX_REGISTER_RAW_SIZE, VAX_MAX_REGISTER_VIRTUAL_SIZE): Remove macros. (vax_regnum): New enum. Replacing... (VAX_AP_REGNUM, VAX_FP_REGNUM, VAX_SP_REGNUM, VAX_PC_REGNUM) (VAX_PS_REGNUM): ... these removed macros. * vax-tdep.c (vax_register_name): Remove prototype. (vax_register_name): Reorganize somewhat. Use ARRAY_SIZE. (vax_register_byte, vax_register_raw_size, vax_register_virtual_size, vax_register_virtual_type): Remove functions. (vax_register_type): New function. (vax_breakpoint_from_pc): Reorganize. (vax_gdbarch_init): Set register_type. Don't set deprecated_register_size, deprecated_register_bytes, deprecated_register_byte, deprecated_register_raw_size, deprecated_max_register_raw_size, deprecated_register_virtual_size, deprecated_max_register_virtual_size and deprecated_register_virtual_type. Add comment on stack direction.
This commit is contained in:
Mark Kettenis
parent
296bc76f51
commit
5e6b39ffbc
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@ -1,3 +1,26 @@
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2004-04-12 Mark Kettenis <kettenis@gnu.org>
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* vax-tdep.h: Update copyright year. Adjust comments.
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(VAX_REGISTER_SIZE, VAX_REGISTER_BYTES, VAX_MAX_REGISTER_RAW_SIZE,
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VAX_MAX_REGISTER_VIRTUAL_SIZE): Remove macros.
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(vax_regnum): New enum. Replacing...
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(VAX_AP_REGNUM, VAX_FP_REGNUM, VAX_SP_REGNUM, VAX_PC_REGNUM)
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(VAX_PS_REGNUM): ... these removed macros.
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* vax-tdep.c (vax_register_name): Remove prototype.
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(vax_register_name): Reorganize somewhat. Use ARRAY_SIZE.
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(vax_register_byte, vax_register_raw_size,
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vax_register_virtual_size, vax_register_virtual_type): Remove
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functions.
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(vax_register_type): New function.
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(vax_breakpoint_from_pc): Reorganize.
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(vax_gdbarch_init): Set register_type. Don't set
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deprecated_register_size, deprecated_register_bytes,
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deprecated_register_byte, deprecated_register_raw_size,
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deprecated_max_register_raw_size,
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deprecated_register_virtual_size,
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deprecated_max_register_virtual_size and
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deprecated_register_virtual_type. Add comment on stack direction.
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2004-04-11 Mark Kettenis <kettenis@gnu.org>
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* amd64-tdep.h (amd64_regnum): Add AMD64_CS_REGNUM,
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@ -35,8 +35,6 @@
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#include "vax-tdep.h"
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static gdbarch_register_name_ftype vax_register_name;
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static gdbarch_skip_prologue_ftype vax_skip_prologue;
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static gdbarch_frame_num_args_ftype vax_frame_num_args;
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static gdbarch_deprecated_frame_chain_ftype vax_frame_chain;
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@ -45,45 +43,32 @@ static gdbarch_deprecated_extract_return_value_ftype vax_extract_return_value;
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static gdbarch_deprecated_push_dummy_frame_ftype vax_push_dummy_frame;
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/* Return the name of register REGNUM. */
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static const char *
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vax_register_name (int regno)
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vax_register_name (int regnum)
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{
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static char *register_names[] =
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{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc",
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc",
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"ps",
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};
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if (regno < 0)
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return (NULL);
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if (regno >= (sizeof(register_names) / sizeof(*register_names)))
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return (NULL);
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return (register_names[regno]);
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if (regnum >= 0 && regnum < ARRAY_SIZE (register_names))
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return register_names[regnum];
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return NULL;
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}
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static int
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vax_register_byte (int regno)
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{
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return (regno * 4);
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}
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static int
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vax_register_raw_size (int regno)
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{
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return (4);
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}
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static int
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vax_register_virtual_size (int regno)
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{
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return (4);
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}
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/* Return the GDB type object for the "standard" data type of data in
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register REGNUM. */
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static struct type *
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vax_register_virtual_type (int regno)
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vax_register_type (struct gdbarch *gdbarch, int regnum)
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{
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return (builtin_type_int);
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return builtin_type_int;
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}
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static void
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@ -273,13 +258,20 @@ vax_store_return_value (struct type *valtype, char *valbuf)
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deprecated_write_register_bytes (0, valbuf, TYPE_LENGTH (valtype));
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}
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static const unsigned char *
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vax_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
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{
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static const unsigned char vax_breakpoint[] = { 3 };
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*lenptr = sizeof(vax_breakpoint);
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return (vax_breakpoint);
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/* Use the program counter to determine the contents and size of a
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breakpoint instruction. Return a pointer to a string of bytes that
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encode a breakpoint instruction, store the length of the string in
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*LEN and optionally adjust *PC to point to the correct memory
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location for inserting the breakpoint. */
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static const unsigned char *
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vax_breakpoint_from_pc (CORE_ADDR *pc, int *len)
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{
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static unsigned char break_insn[] = { 3 };
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*len = sizeof (break_insn);
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return break_insn;
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}
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/* Advance PC across any function entry prologue instructions
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@ -342,22 +334,13 @@ vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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/* Register info */
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set_gdbarch_num_regs (gdbarch, VAX_NUM_REGS);
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set_gdbarch_register_name (gdbarch, vax_register_name);
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set_gdbarch_register_type (gdbarch, vax_register_type);
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set_gdbarch_sp_regnum (gdbarch, VAX_SP_REGNUM);
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set_gdbarch_deprecated_fp_regnum (gdbarch, VAX_FP_REGNUM);
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set_gdbarch_pc_regnum (gdbarch, VAX_PC_REGNUM);
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set_gdbarch_ps_regnum (gdbarch, VAX_PS_REGNUM);
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set_gdbarch_register_name (gdbarch, vax_register_name);
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set_gdbarch_deprecated_register_size (gdbarch, VAX_REGISTER_SIZE);
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set_gdbarch_deprecated_register_bytes (gdbarch, VAX_REGISTER_BYTES);
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set_gdbarch_deprecated_register_byte (gdbarch, vax_register_byte);
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set_gdbarch_deprecated_register_raw_size (gdbarch, vax_register_raw_size);
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set_gdbarch_deprecated_max_register_raw_size (gdbarch, VAX_MAX_REGISTER_RAW_SIZE);
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set_gdbarch_deprecated_register_virtual_size (gdbarch, vax_register_virtual_size);
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set_gdbarch_deprecated_max_register_virtual_size (gdbarch,
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VAX_MAX_REGISTER_VIRTUAL_SIZE);
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set_gdbarch_deprecated_register_virtual_type (gdbarch, vax_register_virtual_type);
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/* Frame and stack info */
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set_gdbarch_skip_prologue (gdbarch, vax_skip_prologue);
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set_gdbarch_deprecated_saved_pc_after_call (gdbarch, vax_saved_pc_after_call);
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@ -373,6 +356,7 @@ vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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set_gdbarch_frame_args_skip (gdbarch, 4);
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/* Stack grows downward. */
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set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
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/* Return value info */
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@ -1,5 +1,6 @@
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/* Common target dependent code for GDB on VAX systems.
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Copyright 2002, 2003 Free Software Foundation, Inc.
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/* Target-dependent code for the VAX.
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Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -21,35 +22,18 @@
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#ifndef VAX_TDEP_H
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#define VAX_TDEP_H
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; DEPRECATED_REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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#define VAX_REGISTER_SIZE 4
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/* Register numbers of various important registers. */
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enum vax_regnum
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{
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VAX_AP_REGNUM = 12, /* Argument pointer on user stack. */
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VAX_FP_REGNUM, /* Address of executing stack frame. */
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VAX_SP_REGNUM, /* Address of top of stack. */
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VAX_PC_REGNUM, /* Program counter. */
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VAX_PS_REGNUM /* Processor status. */
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};
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/* Number of machine registers. */
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#define VAX_NUM_REGS 17
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/* Total amount of space needed to store our copies of the machine's
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register state. */
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#define VAX_REGISTER_BYTES (VAX_NUM_REGS * 4)
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/* Largest value DEPRECATED_REGISTER_RAW_SIZE can have. */
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#define VAX_MAX_REGISTER_RAW_SIZE 4
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/* Largest value DEPRECATED_REGISTER_VIRTUAL_SIZE can have. */
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#define VAX_MAX_REGISTER_VIRTUAL_SIZE 4
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/* Register numbers of various important registers.
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Note that most of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and are "phony" register numbers which is too large
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to be an actual register number as far as the user is concerned
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but serves to get the desired value when passed to read_register. */
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#define VAX_AP_REGNUM 12 /* argument pointer */
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#define VAX_FP_REGNUM 13 /* Contains address of executing stack frame */
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#define VAX_SP_REGNUM 14 /* Contains address of top of stack */
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#define VAX_PC_REGNUM 15 /* Contains program counter */
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#define VAX_PS_REGNUM 16 /* Contains processor status */
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#endif /* VAX_TDEP_H */
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#endif /* vax-tdep.h */
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