mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-10-15 20:05:46 +08:00
Some spit and polish
This commit is contained in:
Steve Chamberlain
@ -43,7 +43,6 @@ extern struct target_ops sim_ops; /* Forward declaration */
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void sim_store_register ();
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void sim_set_oc ();
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int
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sim_write_inferior_memory (memaddr, myaddr, len)
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CORE_ADDR memaddr;
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@ -71,8 +70,6 @@ int regno;
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}
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}
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void
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sim_kill (arg, from_tty)
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char *arg;
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@ -81,8 +78,6 @@ int from_tty;
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}
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/*
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* Download a file specified in 'args', to the sim.
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*/
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@ -117,11 +112,13 @@ int fromtty;
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int i;
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int delta = 4096;
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char *buffer = xmalloc (delta);
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printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
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s->name, s->vma, s->vma + s->_raw_size);
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for (i = 0; i < s->_raw_size; i += delta)
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{
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int sub_delta = delta;
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if (sub_delta > s->_raw_size - i)
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sub_delta = s->_raw_size - i;
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@ -164,8 +161,6 @@ sim_create_inferior (execfile, args, env)
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proceed (entry_pt, -1, 0);
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}
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static void
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sim_open (name, from_tty)
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char *name;
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@ -211,7 +206,6 @@ sim_detach (args,from_tty)
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/* Tell the remote machine to resume. */
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/* Wait until the remote machine stops, then return,
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storing status in STATUS just as `wait' would. */
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@ -223,7 +217,6 @@ sim_wait (status)
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return 0;
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}
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/* Get ready to modify the registers array. On machines which store
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individual registers, this doesn't need to do anything. On machines
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which store all the registers in one fell swoop, this makes sure
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@ -236,7 +229,6 @@ sim_prepare_to_store ()
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/* Do nothing, since we can store individual regs */
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}
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static void
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fetch_register (regno)
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int regno;
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@ -246,8 +238,10 @@ int regno;
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for (regno = 0; regno < 16; regno++)
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fetch_register (regno);
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}
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else {
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else
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{
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char buf[MAX_REGISTER_RAW_SIZE];
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sim_fetch_register (regno, buf);
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supply_register (regno, buf);
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}
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@ -288,6 +282,7 @@ void
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sim_files_info ()
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{
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char *file = "nothing";
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if (exec_bfd)
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file = bfd_get_filename (exec_bfd);
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@ -305,7 +300,6 @@ sim_before_main_loop ()
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push_target (&sim_ops);
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}
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/* Clear the sims notion of what the break points are */
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static void
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sim_mourn ()
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@ -314,7 +308,8 @@ sim_mourn()
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generic_mourn_inferior ();
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}
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static void rem_resume(a,b)
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static void
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rem_resume (a, b)
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int a;
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int b;
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{
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@ -348,19 +343,14 @@ struct target_ops sim_ops =
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OPS_MAGIC, /* Always the last thing */
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};
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/***********************************************************************/
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void
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_initialize_remote_sim ()
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{
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extern int sim_z8001_mode;
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sim_z8001_mode = z8001_mode;
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add_target (&sim_ops);
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}
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31
gdb/tm-z8k.h
31
gdb/tm-z8k.h
@ -1,5 +1,5 @@
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/* Parameters for execution on a z8000 series machine.
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Copyright 1992 Free Software Foundation, Inc.
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Copyright 1992,1993 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -158,16 +158,13 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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#define PTR_SIZE (BIG ? 4: 2)
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#define PTR_MASK (BIG ? 0xff00ffff : 0x0000ffff)
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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#define STORE_STRUCT_RETURN(ADDR, SP) store_struct_return(ADDR,SP)
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#define STORE_STRUCT_RETURN(ADDR, SP) abort();
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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@ -176,13 +173,12 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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extract_return_value(TYPE,REGBUF,VALBUF)
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bcopy(REGBUF + REGISTER_BYTE(2), VALBUF, TYPE_LENGTH(TYPE));
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/* Write into appropriate registers a function return value
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of type TYPE, given in virtual format. Assumes floats are passed
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in d0/d1. */
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of type TYPE, given in virtual format. */
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#define STORE_RETURN_VALUE(TYPE,VALBUF) store_return_value(TYPE,VALBUF);
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#define STORE_RETURN_VALUE(TYPE,VALBUF) abort();
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/* Extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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@ -195,10 +191,13 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
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chain-pointer.
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In the case of the 68000, the frame's nominal address
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is the address of a 4-byte word containing the calling frame's address. */
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In the case of the Z8000, the frame's nominal address
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is the address of a ptr sized byte word containing the calling
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frame's address. */
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#define FRAME_CHAIN(thisframe) frame_chain(thisframe);
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#define FRAME_CHAIN(thisframe) frame_chain(thisframe)
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/* Define other aspects of the stack frame. */
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@ -302,8 +301,6 @@ int z8001_mode;
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#define NO_STD_REGS
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#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)
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@ -312,4 +309,6 @@ int z8001_mode;
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#define NAMES_HAVE_UNDERSCORE
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#define ADDITIONAL_OPTIONS {"z8001",no_argument,&z8001_mode, 1},
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#define INIT_EXTRA_SYMTAB_INFO \
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z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address);
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149
gdb/z8k-tdep.c
149
gdb/z8k-tdep.c
@ -1,5 +1,5 @@
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/* Target-machine dependent code for Zilog Z8000, for GDB.
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Copyright (C) 1992 Free Software Foundation, Inc.
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Copyright (C) 1992,1993 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -22,14 +22,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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sac@cygnus.com
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*/
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#include "defs.h"
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#include "frame.h"
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#include "obstack.h"
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#include "symtab.h"
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#include "gdbcmd.h"
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#include "gdbtypes.h"
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/* Return the saved PC from this frame.
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If the frame has a memory copy of SRP_REGNUM, use that. If not,
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@ -51,12 +50,10 @@ FRAME frame;
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#define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
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#define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
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/* work out how much local space is on the stack and
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return the pc pointing to the first push */
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static
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CORE_ADDR
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static CORE_ADDR
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skip_adjust (pc, size)
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CORE_ADDR pc;
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int *size;
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@ -80,7 +77,6 @@ int *size;
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return pc;
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}
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int
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examine_frame (pc, regs, sp)
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CORE_ADDR pc;
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@ -91,8 +87,6 @@ CORE_ADDR sp;
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int offset = 0;
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int regno;
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for (regno = 0; regno < NUM_REGS; regno++)
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regs->regs[regno] = 0;
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@ -105,7 +99,8 @@ CORE_ADDR sp;
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regs->regs[(w & 0xf) + 1] = offset + 2;
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offset += 4;
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}
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else {
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else
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{
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regs->regs[w & 0xf] = offset;
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offset += 2;
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}
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@ -136,14 +131,17 @@ CORE_ADDR sp;
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return pc;
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}
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CORE_ADDR z8k_skip_prologue(start_pc)
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CORE_ADDR
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z8k_skip_prologue (start_pc)
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CORE_ADDR start_pc;
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{
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struct frame_saved_regs dummy;
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return examine_frame (start_pc, &dummy, 0);
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}
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CORE_ADDR addr_bits_remove(x)
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CORE_ADDR
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addr_bits_remove (x)
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CORE_ADDR x;
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{
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return x & PTR_MASK;
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@ -168,11 +166,13 @@ frame_chain (thisframe)
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{
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return read_memory_pointer ((thisframe)->frame);
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}
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return 0;
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}
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init_frame_pc() { abort(); }
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init_frame_pc ()
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{
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abort ();
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}
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/* Put here the code to store, into a struct frame_saved_regs,
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the addresses of the saved registers of frame described by FRAME_INFO.
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@ -180,13 +180,15 @@ init_frame_pc() { abort(); }
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ways in the stack frame. sp is even more special:
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the address we return for it IS the sp for the next frame. */
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void get_frame_saved_regs(frame_info, frame_saved_regs)
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void
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get_frame_saved_regs (frame_info, frame_saved_regs)
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struct frame_info *frame_info;
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struct frame_saved_regs *frame_saved_regs;
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{
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CORE_ADDR pc;
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int w;
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bzero (frame_saved_regs, sizeof (*frame_saved_regs));
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pc = get_pc_function_start (frame_info->pc);
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@ -195,46 +197,35 @@ examine_frame(pc, frame_saved_regs, frame_info->frame);
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}
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extract_return_value(valtype, regbuf, valbuf)
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struct type *valtype;
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char regbuf[REGISTER_BYTES];
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char *valbuf;
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void
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z8k_push_dummy_frame ()
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{
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bcopy(regbuf + REGISTER_BYTE(2), valbuf, TYPE_LENGTH(valtype));
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abort ();
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}
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void z8k_push_dummy_frame() { abort(); }
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int print_insn(memaddr, stream)
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int
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print_insn (memaddr, stream)
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CORE_ADDR memaddr;
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FILE *stream;
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{
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char temp[20];
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read_memory (memaddr, temp, 20);
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if (BIG) {
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if (BIG)
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{
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return print_insn_z8001 (memaddr, temp, stream);
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}
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else {
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else
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{
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return print_insn_z8002 (memaddr, temp, stream);
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||||
}
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||||
}
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||||
void
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store_return_value()
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||||
{
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||||
abort();
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||||
}
|
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void
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store_struct_return() { abort(); }
|
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|
||||
|
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/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
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is not the address of a valid instruction, the address of the next
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instruction beyond ADDR otherwise. *PWORD1 receives the first word
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of the instruction.*/
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||||
|
||||
|
||||
CORE_ADDR
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||||
NEXT_PROLOGUE_INSN (addr, lim, pword1)
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CORE_ADDR addr;
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@ -245,6 +236,7 @@ short *pword1;
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{
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||||
read_memory (addr, pword1, sizeof (*pword1));
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SWAP_TARGET_AND_HOST (pword1, sizeof (short));
|
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return addr + 2;
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}
|
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|
||||
@ -252,7 +244,6 @@ short *pword1;
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||||
|
||||
}
|
||||
|
||||
|
||||
/* Put here the code to store, into a struct frame_saved_regs,
|
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the addresses of the saved registers of frame described by FRAME_INFO.
|
||||
This includes special registers such as pc and fp saved in special
|
||||
@ -281,13 +272,16 @@ frame_find_saved_regs (fip, fsrp)
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||||
for (i = 0; i < 8; i++)
|
||||
{
|
||||
int word = read_memory_short (pc);
|
||||
|
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pc += 2;
|
||||
if (IS_PUSHL(word)) {
|
||||
if (IS_PUSHL (word))
|
||||
{
|
||||
fsrp->regs[word & 0xf] = adr;
|
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fsrp->regs[(word & 0xf) + 1] = adr - 2;
|
||||
adr -= 4;
|
||||
}
|
||||
else if (IS_PUSHW(word)) {
|
||||
else if (IS_PUSHW (word))
|
||||
{
|
||||
fsrp->regs[word & 0xf] = adr;
|
||||
adr -= 2;
|
||||
}
|
||||
@ -303,7 +297,10 @@ frame_find_saved_regs (fip, fsrp)
|
||||
}
|
||||
|
||||
void
|
||||
addr_bits_set() { abort(); }
|
||||
addr_bits_set ()
|
||||
{
|
||||
abort ();
|
||||
}
|
||||
|
||||
int
|
||||
saved_pc_after_call ()
|
||||
@ -319,6 +316,7 @@ int regno;
|
||||
if ((regno & 1) == 0 && regno < 16)
|
||||
{
|
||||
unsigned short l[2];
|
||||
|
||||
read_relative_register_raw_bytes (regno, (char *) (l + 0));
|
||||
read_relative_register_raw_bytes (regno + 1, (char *) (l + 1));
|
||||
printf ("\t");
|
||||
@ -328,6 +326,7 @@ int regno;
|
||||
if ((regno & 3) == 0 && regno < 16)
|
||||
{
|
||||
unsigned short l[4];
|
||||
|
||||
read_relative_register_raw_bytes (regno, l + 0);
|
||||
read_relative_register_raw_bytes (regno + 1, l + 1);
|
||||
read_relative_register_raw_bytes (regno + 2, l + 2);
|
||||
@ -340,17 +339,18 @@ int regno;
|
||||
{
|
||||
unsigned short rval;
|
||||
int i;
|
||||
|
||||
read_relative_register_raw_bytes (regno, (char *) (&rval));
|
||||
|
||||
printf ("\n");
|
||||
for (i = 0; i < 10; i+=2) {
|
||||
for (i = 0; i < 10; i += 2)
|
||||
{
|
||||
printf ("(sp+%d=%04x)", i, read_memory_short (rval + i));
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
register_convert_to_virtual (regnum, from, to)
|
||||
unsigned char *from;
|
||||
@ -373,6 +373,69 @@ char *from;
|
||||
to[3] = from[3];
|
||||
}
|
||||
|
||||
void
|
||||
z8k_pop_frame ()
|
||||
{
|
||||
}
|
||||
|
||||
struct cmd_list_element *setmemorylist;
|
||||
|
||||
void z8k_pop_frame() { }
|
||||
void
|
||||
z8k_set_pointer_size (newsize)
|
||||
int newsize;
|
||||
{
|
||||
static int oldsize = 0;
|
||||
|
||||
if (oldsize != newsize)
|
||||
{
|
||||
printf ("pointer size set to %d bits\n", newsize);
|
||||
oldsize = newsize;
|
||||
if (newsize == 32)
|
||||
{
|
||||
BIG = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
BIG = 0;
|
||||
}
|
||||
_initialize_gdbtypes ();
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
segmented_command (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
z8k_set_pointer_size (16);
|
||||
}
|
||||
|
||||
static void
|
||||
unsegmented_command (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
z8k_set_pointer_size (16);
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
set_memory (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
printf ("\"set memory\" must be followed by the name of a memory subcommand.\n");
|
||||
help_list (setmemorylist, "set memory ", -1, stdout);
|
||||
}
|
||||
|
||||
_initialize_z8ktdep ()
|
||||
{
|
||||
add_prefix_cmd ("memory", no_class, set_memory,
|
||||
"set the memory model", &setmemorylist, "set memory ", 0,
|
||||
&setlist);
|
||||
add_cmd ("segmented", class_support, segmented_command,
|
||||
"Set segmented memory model.", &setmemorylist);
|
||||
add_cmd ("unsegmented", class_support, unsegmented_command,
|
||||
"Set unsegmented memory model.", &setmemorylist);
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user