import gdb-1999-07-07 pre reformat

This commit is contained in:
Jason Molenda
1999-07-07 17:31:57 +00:00
parent f04894943e
commit 9846de1bb5
66 changed files with 2327 additions and 2418 deletions

View File

@ -1,452 +1,452 @@
/* Pyramid target-dependent code for GDB.
Copyright (C) 1988, 1989, 1991 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 "defs.h"
/*** Prettier register printing. ***/
/* Print registers in the same format as pyramid's dbx, adb, sdb. */
pyr_print_registers(reg_buf, regnum)
long *reg_buf[];
{
register int regno;
int usp, ksp;
struct user u;
for (regno = 0; regno < 16; regno++) {
printf_unfiltered/*_filtered*/ ("%6.6s: %8x %6.6s: %8x %6s: %8x %6s: %8x\n",
REGISTER_NAME (regno), reg_buf[regno],
REGISTER_NAME (regno+16), reg_buf[regno+16],
REGISTER_NAME (regno+32), reg_buf[regno+32],
REGISTER_NAME (regno+48), reg_buf[regno+48]);
}
usp = ptrace (3, inferior_pid,
(PTRACE_ARG3_TYPE) ((char *)&u.u_pcb.pcb_usp) -
((char *)&u), 0);
ksp = ptrace (3, inferior_pid,
(PTRACE_ARG3_TYPE) ((char *)&u.u_pcb.pcb_ksp) -
((char *)&u), 0);
printf_unfiltered/*_filtered*/ ("\n%6.6s: %8x %6.6s: %8x (%08x) %6.6s %8x\n",
REGISTER_NAME (CSP_REGNUM),reg_buf[CSP_REGNUM],
REGISTER_NAME (KSP_REGNUM), reg_buf[KSP_REGNUM], ksp,
"usp", usp);
}
/* Print the register regnum, or all registers if regnum is -1.
fpregs is currently ignored. */
pyr_do_registers_info (regnum, fpregs)
int regnum;
int fpregs;
{
/* On a pyr, we know a virtual register can always fit in an long.
Here (and elsewhere) we take advantage of that. Yuk. */
long raw_regs[MAX_REGISTER_RAW_SIZE*NUM_REGS];
register int i;
for (i = 0 ; i < 64 ; i++) {
read_relative_register_raw_bytes(i, raw_regs+i);
}
if (regnum == -1)
pyr_print_registers (raw_regs, regnum);
else
for (i = 0; i < NUM_REGS; i++)
if (i == regnum) {
long val = raw_regs[i];
fputs_filtered (REGISTER_NAME (i), gdb_stdout);
printf_filtered(":");
print_spaces_filtered (6 - strlen (REGISTER_NAME (i)), gdb_stdout);
if (val == 0)
printf_filtered ("0");
else
printf_filtered ("%s %d", local_hex_string_custom(val,"08"), val);
printf_filtered("\n");
}
}
/*** Debugging editions of various macros from m-pyr.h ****/
CORE_ADDR frame_locals_address (frame)
struct frame_info *frame;
{
register int addr = find_saved_register (frame,CFP_REGNUM);
register int result = read_memory_integer (addr, 4);
#ifdef PYRAMID_CONTROL_FRAME_DEBUGGING
fprintf_unfiltered (gdb_stderr,
"\t[[..frame_locals:%8x, %s= %x @%x fcfp= %x foo= %x\n\t gr13=%x pr13=%x tr13=%x @%x]]\n",
frame->frame,
REGISTER_NAME (CFP_REGNUM),
result, addr,
frame->frame_cfp, (CFP_REGNUM),
read_register(13), read_register(29), read_register(61),
find_saved_register(frame, 61));
#endif /* PYRAMID_CONTROL_FRAME_DEBUGGING */
/* FIXME: I thought read_register (CFP_REGNUM) should be the right answer;
or at least CFP_REGNUM relative to FRAME (ie, result).
There seems to be a bug in the way the innermost frame is set up. */
return ((frame->next) ? result: frame->frame_cfp);
}
CORE_ADDR frame_args_addr (frame)
struct frame_info *frame;
{
register int addr = find_saved_register (frame,CFP_REGNUM);
register int result = read_memory_integer (addr, 4);
#ifdef PYRAMID_CONTROL_FRAME_DEBUGGING
fprintf_unfiltered (gdb_stderr,
"\t[[..frame_args:%8x, %s= %x @%x fcfp= %x r_r= %x\n\t gr13=%x pr13=%x tr13=%x @%x]]\n",
frame->frame,
REGISTER_NAME (CFP_REGNUM),
result, addr,
frame->frame_cfp, read_register(CFP_REGNUM),
read_register(13), read_register(29), read_register(61),
find_saved_register(frame, 61));
#endif /* PYRAMID_CONTROL_FRAME_DEBUGGING */
/* FIXME: I thought read_register (CFP_REGNUM) should be the right answer;
or at least CFP_REGNUM relative to FRAME (ie, result).
There seems to be a bug in the way the innermost frame is set up. */
return ((frame->next) ? result: frame->frame_cfp);
}
#include "symtab.h"
#include "opcode/pyr.h"
#include "gdbcore.h"
/* A couple of functions used for debugging frame-handling on
Pyramids. (The Pyramid-dependent handling of register values for
windowed registers is known to be buggy.)
When debugging, these functions can supplant the normal definitions of some
of the macros in tm-pyramid.h The quantity of information produced
when these functions are used makes the gdb unusable as a
debugger for user programs. */
extern unsigned pyr_saved_pc(), pyr_frame_chain();
CORE_ADDR pyr_frame_chain(frame)
CORE_ADDR frame;
{
int foo=frame - CONTROL_STACK_FRAME_SIZE;
/* printf_unfiltered ("...following chain from %x: got %x\n", frame, foo);*/
return foo;
}
CORE_ADDR pyr_saved_pc(frame)
CORE_ADDR frame;
{
int foo=0;
foo = read_memory_integer (((CORE_ADDR)(frame))+60, 4);
printf_unfiltered ("..reading pc from frame 0x%0x+%d regs: got %0x\n",
frame, 60/4, foo);
return foo;
}
/* Pyramid instructions are never longer than this many bytes. */
#define MAXLEN 24
/* Number of elements in the opcode table. */
/*const*/ static int nopcodes = (sizeof (pyr_opcodes) / sizeof( pyr_opcodes[0]));
#define NOPCODES (nopcodes)
/* Let's be byte-independent so we can use this as a cross-assembler. */
#define NEXTLONG(p) \
(p += 4, (((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])
/* Print one instruction at address MEMADDR in debugged memory,
on STREAM. Returns length of the instruction, in bytes. */
int
pyr_print_insn (memaddr, stream)
CORE_ADDR memaddr;
GDB_FILE *stream;
{
unsigned char buffer[MAXLEN];
register int i, nargs, insn_size =4;
register unsigned char *p;
register char *d;
register int insn_opcode, operand_mode;
register int index_multiplier, index_reg_regno, op_1_regno, op_2_regno ;
long insn; /* first word of the insn, not broken down. */
pyr_insn_format insn_decode; /* the same, broken out into op{code,erands} */
long extra_1, extra_2;
read_memory (memaddr, buffer, MAXLEN);
insn_decode = *((pyr_insn_format *) buffer);
insn = * ((int *) buffer);
insn_opcode = insn_decode.operator;
operand_mode = insn_decode.mode;
index_multiplier = insn_decode.index_scale;
index_reg_regno = insn_decode.index_reg;
op_1_regno = insn_decode.operand_1;
op_2_regno = insn_decode.operand_2;
if (*((int *)buffer) == 0x0) {
/* "halt" looks just like an invalid "jump" to the insn decoder,
so is dealt with as a special case */
fprintf_unfiltered (stream, "halt");
return (4);
}
for (i = 0; i < NOPCODES; i++)
if (pyr_opcodes[i].datum.code == insn_opcode)
break;
if (i == NOPCODES)
/* FIXME: Handle unrecognised instructions better. */
fprintf_unfiltered (stream, "???\t#%08x\t(op=%x mode =%x)",
insn, insn_decode.operator, insn_decode.mode);
else
{
/* Print the mnemonic for the instruction. Pyramid insn operands
are so regular that we can deal with almost all of them
separately.
Unconditional branches are an exception: they are encoded as
conditional branches (branch if false condition, I think)
with no condition specified. The average user will not be
aware of this. To maintain their illusion that an
unconditional branch insn exists, we will have to FIXME to
treat the insn mnemnonic of all branch instructions here as a
special case: check the operands of branch insn and print an
appropriate mnemonic. */
fprintf_unfiltered (stream, "%s\t", pyr_opcodes[i].name);
/* Print the operands of the insn (as specified in
insn.operand_mode).
Branch operands of branches are a special case: they are a word
offset, not a byte offset. */
if (insn_decode.operator == 0x01 || insn_decode.operator == 0x02) {
register int bit_codes=(insn >> 16)&0xf;
register int i;
register int displacement = (insn & 0x0000ffff) << 2;
static char cc_bit_names[] = "cvzn"; /* z,n,c,v: strange order? */
/* Is bfc and no bits specified an unconditional branch?*/
for (i=0;i<4;i++) {
if ((bit_codes) & 0x1)
fputc_unfiltered (cc_bit_names[i], stream);
bit_codes >>= 1;
}
fprintf_unfiltered (stream, ",%0x",
displacement + memaddr);
return (insn_size);
}
switch (operand_mode) {
case 0:
fprintf_unfiltered (stream, "%s,%s",
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno));
break;
case 1:
fprintf_unfiltered (stream, " 0x%0x,%s",
op_1_regno,
REGISTER_NAME (op_2_regno));
break;
case 2:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream, " $0x%0x,%s",
extra_1,
REGISTER_NAME (op_2_regno));
break;
case 3:
fprintf_unfiltered (stream, " (%s),%s",
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno));
break;
case 4:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream, " 0x%0x(%s),%s",
extra_1,
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno));
break;
/* S1 destination mode */
case 5:
fprintf_unfiltered (stream,
((index_reg_regno) ? "%s,(%s)[%s*%1d]" : "%s,(%s)"),
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 6:
fprintf_unfiltered (stream,
((index_reg_regno) ? " $%#0x,(%s)[%s*%1d]"
: " $%#0x,(%s)"),
op_1_regno,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 7:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno) ? " $%#0x,(%s)[%s*%1d]"
: " $%#0x,(%s)"),
extra_1,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 8:
fprintf_unfiltered (stream,
((index_reg_regno) ? " (%s),(%s)[%s*%1d]" : " (%s),(%s)"),
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 9:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno)
? "%#0x(%s),(%s)[%s*%1d]"
: "%#0x(%s),(%s)"),
extra_1,
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
/* S2 destination mode */
case 10:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno) ? "%s,%#0x(%s)[%s*%1d]" : "%s,%#0x(%s)"),
REGISTER_NAME (op_1_regno),
extra_1,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 11:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno) ?
" $%#0x,%#0x(%s)[%s*%1d]" : " $%#0x,%#0x(%s)"),
op_1_regno,
extra_1,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 12:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
read_memory (memaddr+8, buffer, MAXLEN);
insn_size += 4;
extra_2 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno) ?
" $%#0x,%#0x(%s)[%s*%1d]" : " $%#0x,%#0x(%s)"),
extra_1,
extra_2,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 13:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno)
? " (%s),%#0x(%s)[%s*%1d]"
: " (%s),%#0x(%s)"),
REGISTER_NAME (op_1_regno),
extra_1,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
case 14:
read_memory (memaddr+4, buffer, MAXLEN);
insn_size += 4;
extra_1 = * ((int *) buffer);
read_memory (memaddr+8, buffer, MAXLEN);
insn_size += 4;
extra_2 = * ((int *) buffer);
fprintf_unfiltered (stream,
((index_reg_regno) ? "%#0x(%s),%#0x(%s)[%s*%1d]"
: "%#0x(%s),%#0x(%s) "),
extra_1,
REGISTER_NAME (op_1_regno),
extra_2,
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
break;
default:
fprintf_unfiltered (stream,
((index_reg_regno) ? "%s,%s [%s*%1d]" : "%s,%s"),
REGISTER_NAME (op_1_regno),
REGISTER_NAME (op_2_regno),
REGISTER_NAME (index_reg_regno),
index_multiplier);
fprintf_unfiltered (stream,
"\t\t# unknown mode in %08x",
insn);
break;
} /* switch */
}
{
return insn_size;
}
abort ();
}
/* OBSOLETE /* Pyramid target-dependent code for GDB. */
/* OBSOLETE Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc. */
/* OBSOLETE */
/* OBSOLETE This file is part of GDB. */
/* OBSOLETE */
/* OBSOLETE This program is free software; you can redistribute it and/or modify */
/* OBSOLETE it under the terms of the GNU General Public License as published by */
/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
/* OBSOLETE (at your option) any later version. */
/* OBSOLETE */
/* OBSOLETE This program is distributed in the hope that it will be useful, */
/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* OBSOLETE GNU General Public License for more details. */
/* OBSOLETE */
/* OBSOLETE You should have received a copy of the GNU General Public License */
/* OBSOLETE along with this program; if not, write to the Free Software */
/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */
/* OBSOLETE */
/* OBSOLETE #include "defs.h" */
/* OBSOLETE */
/* OBSOLETE /*** Prettier register printing. ***x/ */
/* OBSOLETE */
/* OBSOLETE /* Print registers in the same format as pyramid's dbx, adb, sdb. *x/ */
/* OBSOLETE pyr_print_registers(reg_buf, regnum) */
/* OBSOLETE long *reg_buf[]; */
/* OBSOLETE { */
/* OBSOLETE register int regno; */
/* OBSOLETE int usp, ksp; */
/* OBSOLETE struct user u; */
/* OBSOLETE */
/* OBSOLETE for (regno = 0; regno < 16; regno++) { */
/* OBSOLETE printf_unfiltered/*_filtered*x/ ("%6.6s: %8x %6.6s: %8x %6s: %8x %6s: %8x\n", */
/* OBSOLETE REGISTER_NAME (regno), reg_buf[regno], */
/* OBSOLETE REGISTER_NAME (regno+16), reg_buf[regno+16], */
/* OBSOLETE REGISTER_NAME (regno+32), reg_buf[regno+32], */
/* OBSOLETE REGISTER_NAME (regno+48), reg_buf[regno+48]); */
/* OBSOLETE } */
/* OBSOLETE usp = ptrace (3, inferior_pid, */
/* OBSOLETE (PTRACE_ARG3_TYPE) ((char *)&u.u_pcb.pcb_usp) - */
/* OBSOLETE ((char *)&u), 0); */
/* OBSOLETE ksp = ptrace (3, inferior_pid, */
/* OBSOLETE (PTRACE_ARG3_TYPE) ((char *)&u.u_pcb.pcb_ksp) - */
/* OBSOLETE ((char *)&u), 0); */
/* OBSOLETE printf_unfiltered/*_filtered*x/ ("\n%6.6s: %8x %6.6s: %8x (%08x) %6.6s %8x\n", */
/* OBSOLETE REGISTER_NAME (CSP_REGNUM),reg_buf[CSP_REGNUM], */
/* OBSOLETE REGISTER_NAME (KSP_REGNUM), reg_buf[KSP_REGNUM], ksp, */
/* OBSOLETE "usp", usp); */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE /* Print the register regnum, or all registers if regnum is -1. */
/* OBSOLETE fpregs is currently ignored. *x/ */
/* OBSOLETE */
/* OBSOLETE pyr_do_registers_info (regnum, fpregs) */
/* OBSOLETE int regnum; */
/* OBSOLETE int fpregs; */
/* OBSOLETE { */
/* OBSOLETE /* On a pyr, we know a virtual register can always fit in an long. */
/* OBSOLETE Here (and elsewhere) we take advantage of that. Yuk. *x/ */
/* OBSOLETE long raw_regs[MAX_REGISTER_RAW_SIZE*NUM_REGS]; */
/* OBSOLETE register int i; */
/* OBSOLETE */
/* OBSOLETE for (i = 0 ; i < 64 ; i++) { */
/* OBSOLETE read_relative_register_raw_bytes(i, raw_regs+i); */
/* OBSOLETE } */
/* OBSOLETE if (regnum == -1) */
/* OBSOLETE pyr_print_registers (raw_regs, regnum); */
/* OBSOLETE else */
/* OBSOLETE for (i = 0; i < NUM_REGS; i++) */
/* OBSOLETE if (i == regnum) { */
/* OBSOLETE long val = raw_regs[i]; */
/* OBSOLETE */
/* OBSOLETE fputs_filtered (REGISTER_NAME (i), gdb_stdout); */
/* OBSOLETE printf_filtered(":"); */
/* OBSOLETE print_spaces_filtered (6 - strlen (REGISTER_NAME (i)), gdb_stdout); */
/* OBSOLETE if (val == 0) */
/* OBSOLETE printf_filtered ("0"); */
/* OBSOLETE else */
/* OBSOLETE printf_filtered ("%s %d", local_hex_string_custom(val,"08"), val); */
/* OBSOLETE printf_filtered("\n"); */
/* OBSOLETE } */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE /*** Debugging editions of various macros from m-pyr.h ****x/ */
/* OBSOLETE */
/* OBSOLETE CORE_ADDR frame_locals_address (frame) */
/* OBSOLETE struct frame_info *frame; */
/* OBSOLETE { */
/* OBSOLETE register int addr = find_saved_register (frame,CFP_REGNUM); */
/* OBSOLETE register int result = read_memory_integer (addr, 4); */
/* OBSOLETE #ifdef PYRAMID_CONTROL_FRAME_DEBUGGING */
/* OBSOLETE fprintf_unfiltered (gdb_stderr, */
/* OBSOLETE "\t[[..frame_locals:%8x, %s= %x @%x fcfp= %x foo= %x\n\t gr13=%x pr13=%x tr13=%x @%x]]\n", */
/* OBSOLETE frame->frame, */
/* OBSOLETE REGISTER_NAME (CFP_REGNUM), */
/* OBSOLETE result, addr, */
/* OBSOLETE frame->frame_cfp, (CFP_REGNUM), */
/* OBSOLETE */
/* OBSOLETE */
/* OBSOLETE read_register(13), read_register(29), read_register(61), */
/* OBSOLETE find_saved_register(frame, 61)); */
/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */
/* OBSOLETE */
/* OBSOLETE /* FIXME: I thought read_register (CFP_REGNUM) should be the right answer; */
/* OBSOLETE or at least CFP_REGNUM relative to FRAME (ie, result). */
/* OBSOLETE There seems to be a bug in the way the innermost frame is set up. *x/ */
/* OBSOLETE */
/* OBSOLETE return ((frame->next) ? result: frame->frame_cfp); */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE CORE_ADDR frame_args_addr (frame) */
/* OBSOLETE struct frame_info *frame; */
/* OBSOLETE { */
/* OBSOLETE register int addr = find_saved_register (frame,CFP_REGNUM); */
/* OBSOLETE register int result = read_memory_integer (addr, 4); */
/* OBSOLETE */
/* OBSOLETE #ifdef PYRAMID_CONTROL_FRAME_DEBUGGING */
/* OBSOLETE fprintf_unfiltered (gdb_stderr, */
/* OBSOLETE "\t[[..frame_args:%8x, %s= %x @%x fcfp= %x r_r= %x\n\t gr13=%x pr13=%x tr13=%x @%x]]\n", */
/* OBSOLETE frame->frame, */
/* OBSOLETE REGISTER_NAME (CFP_REGNUM), */
/* OBSOLETE result, addr, */
/* OBSOLETE frame->frame_cfp, read_register(CFP_REGNUM), */
/* OBSOLETE */
/* OBSOLETE read_register(13), read_register(29), read_register(61), */
/* OBSOLETE find_saved_register(frame, 61)); */
/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */
/* OBSOLETE */
/* OBSOLETE /* FIXME: I thought read_register (CFP_REGNUM) should be the right answer; */
/* OBSOLETE or at least CFP_REGNUM relative to FRAME (ie, result). */
/* OBSOLETE There seems to be a bug in the way the innermost frame is set up. *x/ */
/* OBSOLETE return ((frame->next) ? result: frame->frame_cfp); */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE #include "symtab.h" */
/* OBSOLETE #include "opcode/pyr.h" */
/* OBSOLETE #include "gdbcore.h" */
/* OBSOLETE */
/* OBSOLETE */
/* OBSOLETE /* A couple of functions used for debugging frame-handling on */
/* OBSOLETE Pyramids. (The Pyramid-dependent handling of register values for */
/* OBSOLETE windowed registers is known to be buggy.) */
/* OBSOLETE */
/* OBSOLETE When debugging, these functions can supplant the normal definitions of some */
/* OBSOLETE of the macros in tm-pyramid.h The quantity of information produced */
/* OBSOLETE when these functions are used makes the gdb unusable as a */
/* OBSOLETE debugger for user programs. *x/ */
/* OBSOLETE */
/* OBSOLETE extern unsigned pyr_saved_pc(), pyr_frame_chain(); */
/* OBSOLETE */
/* OBSOLETE CORE_ADDR pyr_frame_chain(frame) */
/* OBSOLETE CORE_ADDR frame; */
/* OBSOLETE { */
/* OBSOLETE int foo=frame - CONTROL_STACK_FRAME_SIZE; */
/* OBSOLETE /* printf_unfiltered ("...following chain from %x: got %x\n", frame, foo);*x/ */
/* OBSOLETE return foo; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE CORE_ADDR pyr_saved_pc(frame) */
/* OBSOLETE CORE_ADDR frame; */
/* OBSOLETE { */
/* OBSOLETE int foo=0; */
/* OBSOLETE foo = read_memory_integer (((CORE_ADDR)(frame))+60, 4); */
/* OBSOLETE printf_unfiltered ("..reading pc from frame 0x%0x+%d regs: got %0x\n", */
/* OBSOLETE frame, 60/4, foo); */
/* OBSOLETE return foo; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE /* Pyramid instructions are never longer than this many bytes. *x/ */
/* OBSOLETE #define MAXLEN 24 */
/* OBSOLETE */
/* OBSOLETE /* Number of elements in the opcode table. *x/ */
/* OBSOLETE /*const*x/ static int nopcodes = (sizeof (pyr_opcodes) / sizeof( pyr_opcodes[0])); */
/* OBSOLETE #define NOPCODES (nopcodes) */
/* OBSOLETE */
/* OBSOLETE /* Let's be byte-independent so we can use this as a cross-assembler. *x/ */
/* OBSOLETE */
/* OBSOLETE #define NEXTLONG(p) \ */
/* OBSOLETE (p += 4, (((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1]) */
/* OBSOLETE */
/* OBSOLETE /* Print one instruction at address MEMADDR in debugged memory, */
/* OBSOLETE on STREAM. Returns length of the instruction, in bytes. *x/ */
/* OBSOLETE */
/* OBSOLETE int */
/* OBSOLETE pyr_print_insn (memaddr, stream) */
/* OBSOLETE CORE_ADDR memaddr; */
/* OBSOLETE GDB_FILE *stream; */
/* OBSOLETE { */
/* OBSOLETE unsigned char buffer[MAXLEN]; */
/* OBSOLETE register int i, nargs, insn_size =4; */
/* OBSOLETE register unsigned char *p; */
/* OBSOLETE register char *d; */
/* OBSOLETE register int insn_opcode, operand_mode; */
/* OBSOLETE register int index_multiplier, index_reg_regno, op_1_regno, op_2_regno ; */
/* OBSOLETE long insn; /* first word of the insn, not broken down. *x/ */
/* OBSOLETE pyr_insn_format insn_decode; /* the same, broken out into op{code,erands} *x/ */
/* OBSOLETE long extra_1, extra_2; */
/* OBSOLETE */
/* OBSOLETE read_memory (memaddr, buffer, MAXLEN); */
/* OBSOLETE insn_decode = *((pyr_insn_format *) buffer); */
/* OBSOLETE insn = * ((int *) buffer); */
/* OBSOLETE insn_opcode = insn_decode.operator; */
/* OBSOLETE operand_mode = insn_decode.mode; */
/* OBSOLETE index_multiplier = insn_decode.index_scale; */
/* OBSOLETE index_reg_regno = insn_decode.index_reg; */
/* OBSOLETE op_1_regno = insn_decode.operand_1; */
/* OBSOLETE op_2_regno = insn_decode.operand_2; */
/* OBSOLETE */
/* OBSOLETE */
/* OBSOLETE if (*((int *)buffer) == 0x0) { */
/* OBSOLETE /* "halt" looks just like an invalid "jump" to the insn decoder, */
/* OBSOLETE so is dealt with as a special case *x/ */
/* OBSOLETE fprintf_unfiltered (stream, "halt"); */
/* OBSOLETE return (4); */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE for (i = 0; i < NOPCODES; i++) */
/* OBSOLETE if (pyr_opcodes[i].datum.code == insn_opcode) */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE if (i == NOPCODES) */
/* OBSOLETE /* FIXME: Handle unrecognised instructions better. *x/ */
/* OBSOLETE fprintf_unfiltered (stream, "???\t#%08x\t(op=%x mode =%x)", */
/* OBSOLETE insn, insn_decode.operator, insn_decode.mode); */
/* OBSOLETE else */
/* OBSOLETE { */
/* OBSOLETE /* Print the mnemonic for the instruction. Pyramid insn operands */
/* OBSOLETE are so regular that we can deal with almost all of them */
/* OBSOLETE separately. */
/* OBSOLETE Unconditional branches are an exception: they are encoded as */
/* OBSOLETE conditional branches (branch if false condition, I think) */
/* OBSOLETE with no condition specified. The average user will not be */
/* OBSOLETE aware of this. To maintain their illusion that an */
/* OBSOLETE unconditional branch insn exists, we will have to FIXME to */
/* OBSOLETE treat the insn mnemnonic of all branch instructions here as a */
/* OBSOLETE special case: check the operands of branch insn and print an */
/* OBSOLETE appropriate mnemonic. *x/ */
/* OBSOLETE */
/* OBSOLETE fprintf_unfiltered (stream, "%s\t", pyr_opcodes[i].name); */
/* OBSOLETE */
/* OBSOLETE /* Print the operands of the insn (as specified in */
/* OBSOLETE insn.operand_mode). */
/* OBSOLETE Branch operands of branches are a special case: they are a word */
/* OBSOLETE offset, not a byte offset. *x/ */
/* OBSOLETE */
/* OBSOLETE if (insn_decode.operator == 0x01 || insn_decode.operator == 0x02) { */
/* OBSOLETE register int bit_codes=(insn >> 16)&0xf; */
/* OBSOLETE register int i; */
/* OBSOLETE register int displacement = (insn & 0x0000ffff) << 2; */
/* OBSOLETE */
/* OBSOLETE static char cc_bit_names[] = "cvzn"; /* z,n,c,v: strange order? *x/ */
/* OBSOLETE */
/* OBSOLETE /* Is bfc and no bits specified an unconditional branch?*x/ */
/* OBSOLETE for (i=0;i<4;i++) { */
/* OBSOLETE if ((bit_codes) & 0x1) */
/* OBSOLETE fputc_unfiltered (cc_bit_names[i], stream); */
/* OBSOLETE bit_codes >>= 1; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE fprintf_unfiltered (stream, ",%0x", */
/* OBSOLETE displacement + memaddr); */
/* OBSOLETE return (insn_size); */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE switch (operand_mode) { */
/* OBSOLETE case 0: */
/* OBSOLETE fprintf_unfiltered (stream, "%s,%s", */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno)); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 1: */
/* OBSOLETE fprintf_unfiltered (stream, " 0x%0x,%s", */
/* OBSOLETE op_1_regno, */
/* OBSOLETE REGISTER_NAME (op_2_regno)); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 2: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, " $0x%0x,%s", */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_2_regno)); */
/* OBSOLETE break; */
/* OBSOLETE case 3: */
/* OBSOLETE fprintf_unfiltered (stream, " (%s),%s", */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno)); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 4: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, " 0x%0x(%s),%s", */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno)); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE /* S1 destination mode *x/ */
/* OBSOLETE case 5: */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? "%s,(%s)[%s*%1d]" : "%s,(%s)"), */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 6: */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? " $%#0x,(%s)[%s*%1d]" */
/* OBSOLETE : " $%#0x,(%s)"), */
/* OBSOLETE op_1_regno, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 7: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? " $%#0x,(%s)[%s*%1d]" */
/* OBSOLETE : " $%#0x,(%s)"), */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 8: */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? " (%s),(%s)[%s*%1d]" : " (%s),(%s)"), */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 9: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) */
/* OBSOLETE ? "%#0x(%s),(%s)[%s*%1d]" */
/* OBSOLETE : "%#0x(%s),(%s)"), */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE /* S2 destination mode *x/ */
/* OBSOLETE case 10: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? "%s,%#0x(%s)[%s*%1d]" : "%s,%#0x(%s)"), */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE case 11: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? */
/* OBSOLETE " $%#0x,%#0x(%s)[%s*%1d]" : " $%#0x,%#0x(%s)"), */
/* OBSOLETE op_1_regno, */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE case 12: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE read_memory (memaddr+8, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_2 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? */
/* OBSOLETE " $%#0x,%#0x(%s)[%s*%1d]" : " $%#0x,%#0x(%s)"), */
/* OBSOLETE extra_1, */
/* OBSOLETE extra_2, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE case 13: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) */
/* OBSOLETE ? " (%s),%#0x(%s)[%s*%1d]" */
/* OBSOLETE : " (%s),%#0x(%s)"), */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE case 14: */
/* OBSOLETE read_memory (memaddr+4, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_1 = * ((int *) buffer); */
/* OBSOLETE read_memory (memaddr+8, buffer, MAXLEN); */
/* OBSOLETE insn_size += 4; */
/* OBSOLETE extra_2 = * ((int *) buffer); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? "%#0x(%s),%#0x(%s)[%s*%1d]" */
/* OBSOLETE : "%#0x(%s),%#0x(%s) "), */
/* OBSOLETE extra_1, */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE extra_2, */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE break; */
/* OBSOLETE */
/* OBSOLETE default: */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE ((index_reg_regno) ? "%s,%s [%s*%1d]" : "%s,%s"), */
/* OBSOLETE REGISTER_NAME (op_1_regno), */
/* OBSOLETE REGISTER_NAME (op_2_regno), */
/* OBSOLETE REGISTER_NAME (index_reg_regno), */
/* OBSOLETE index_multiplier); */
/* OBSOLETE fprintf_unfiltered (stream, */
/* OBSOLETE "\t\t# unknown mode in %08x", */
/* OBSOLETE insn); */
/* OBSOLETE break; */
/* OBSOLETE } /* switch *x/ */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE { */
/* OBSOLETE return insn_size; */
/* OBSOLETE } */
/* OBSOLETE abort (); */
/* OBSOLETE } */