import gdb-1999-07-07 post reformat

This commit is contained in:
Jason Molenda
1999-07-07 20:19:36 +00:00
parent 3a4b77d8be
commit c5aa993b1f
643 changed files with 69889 additions and 65773 deletions

View File

@@ -1,21 +1,22 @@
/* Native-dependent code for BSD Unix running on i386's, for GDB.
Copyright 1988, 1989, 1991, 1992, 1994, 1996 Free Software Foundation, Inc.
This file is part of GDB.
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 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.
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. */
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"
@@ -27,27 +28,28 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "inferior.h"
void
fetch_inferior_registers(regno)
fetch_inferior_registers (regno)
int regno;
{
struct reg inferior_registers;
ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &inferior_registers, 0);
memcpy (&registers[REGISTER_BYTE (0)], &inferior_registers, 4*NUM_REGS);
ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) & inferior_registers, 0);
memcpy (&registers[REGISTER_BYTE (0)], &inferior_registers, 4 * NUM_REGS);
registers_fetched ();
}
void
store_inferior_registers(regno)
store_inferior_registers (regno)
int regno;
{
struct reg inferior_registers;
memcpy (&inferior_registers, &registers[REGISTER_BYTE (0)], 4*NUM_REGS);
ptrace (PT_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &inferior_registers, 0);
memcpy (&inferior_registers, &registers[REGISTER_BYTE (0)], 4 * NUM_REGS);
ptrace (PT_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) & inferior_registers, 0);
}
struct md_core {
struct md_core
{
struct reg intreg;
struct fpreg freg;
};
@@ -59,11 +61,11 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
int which;
CORE_ADDR ignore;
{
struct md_core *core_reg = (struct md_core *)core_reg_sect;
struct md_core *core_reg = (struct md_core *) core_reg_sect;
/* integer registers */
memcpy(&registers[REGISTER_BYTE (0)], &core_reg->intreg,
sizeof(struct reg));
memcpy (&registers[REGISTER_BYTE (0)], &core_reg->intreg,
sizeof (struct reg));
/* floating point registers */
/* XXX */
}
@@ -74,7 +76,7 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
/* this table must line up with REGISTER_NAMES in tm-i386.h */
/* symbols like 'tEAX' come from <machine/reg.h> */
static int tregmap[] =
static int tregmap[] =
{
tEAX, tECX, tEDX, tEBX,
tESP, tEBP, tESI, tEDI,
@@ -82,7 +84,7 @@ static int tregmap[] =
};
#ifdef sEAX
static int sregmap[] =
static int sregmap[] =
{
sEAX, sECX, sEDX, sEBX,
sESP, sEBP, sESI, sEDI,
@@ -93,7 +95,7 @@ static int sregmap[] =
/* FreeBSD has decided to collapse the s* and t* symbols. So if the s*
ones aren't around, use the t* ones for sregmap too. */
static int sregmap[] =
static int sregmap[] =
{
tEAX, tECX, tEDX, tEBX,
tESP, tEBP, tESI, tEDI,
@@ -126,7 +128,7 @@ i386_register_u_addr (blockend, regnum)
#ifdef FLOAT_INFO
#include "expression.h"
#include "language.h" /* for local_hex_string */
#include "language.h" /* for local_hex_string */
#include "floatformat.h"
#include <sys/param.h>
@@ -140,35 +142,35 @@ i386_register_u_addr (blockend, regnum)
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/uio.h>
#define curpcb Xcurpcb /* XXX avoid leaking declaration from pcb.h */
#define curpcb Xcurpcb /* XXX avoid leaking declaration from pcb.h */
#include <sys/user.h>
#undef curpcb
#include <sys/file.h>
#include "gdb_stat.h"
#include <sys/ptrace.h>
extern void print_387_control_word (); /* i387-tdep.h */
extern void print_387_control_word (); /* i387-tdep.h */
extern void print_387_status_word ();
#define fpstate save87
#define U_FPSTATE(u) u.u_pcb.pcb_savefpu
struct env387
{
unsigned short control;
unsigned short r0;
unsigned short status;
unsigned short r1;
unsigned short tag;
unsigned short r2;
unsigned long eip;
unsigned short code_seg;
unsigned short opcode;
unsigned long operand;
unsigned short operand_seg;
unsigned short r3;
unsigned char regs[8][10];
};
struct env387
{
unsigned short control;
unsigned short r0;
unsigned short status;
unsigned short r1;
unsigned short tag;
unsigned short r2;
unsigned long eip;
unsigned short code_seg;
unsigned short opcode;
unsigned long operand;
unsigned short operand_seg;
unsigned short r3;
unsigned char regs[8][10];
};
static void
print_387_status (status, ep)
@@ -179,58 +181,66 @@ print_387_status (status, ep)
int bothstatus;
int top;
int fpreg;
bothstatus = ((status != 0) && (ep->status != 0));
if (status != 0)
if (status != 0)
{
if (bothstatus)
printf_unfiltered ("u: ");
print_387_status_word ((unsigned int)status);
print_387_status_word ((unsigned int) status);
}
if (ep->status != 0)
if (ep->status != 0)
{
if (bothstatus)
printf_unfiltered ("e: ");
print_387_status_word ((unsigned int)ep->status);
print_387_status_word ((unsigned int) ep->status);
}
print_387_control_word ((unsigned int)ep->control);
print_387_control_word ((unsigned int) ep->control);
printf_unfiltered ("last exception: ");
printf_unfiltered ("opcode %s; ", local_hex_string(ep->opcode));
printf_unfiltered ("pc %s:", local_hex_string(ep->code_seg));
printf_unfiltered ("%s; ", local_hex_string(ep->eip));
printf_unfiltered ("operand %s", local_hex_string(ep->operand_seg));
printf_unfiltered (":%s\n", local_hex_string(ep->operand));
printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode));
printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg));
printf_unfiltered ("%s; ", local_hex_string (ep->eip));
printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg));
printf_unfiltered (":%s\n", local_hex_string (ep->operand));
top = (ep->status >> 11) & 7;
printf_unfiltered ("regno tag msb lsb value\n");
for (fpreg = 7; fpreg >= 0; fpreg--)
for (fpreg = 7; fpreg >= 0; fpreg--)
{
double val;
printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
switch ((ep->tag >> (fpreg * 2)) & 3)
printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
switch ((ep->tag >> (fpreg * 2)) & 3)
{
case 0: printf_unfiltered ("valid "); break;
case 1: printf_unfiltered ("zero "); break;
case 2: printf_unfiltered ("trap "); break;
case 3: printf_unfiltered ("empty "); break;
case 0:
printf_unfiltered ("valid ");
break;
case 1:
printf_unfiltered ("zero ");
break;
case 2:
printf_unfiltered ("trap ");
break;
case 3:
printf_unfiltered ("empty ");
break;
}
for (i = 9; i >= 0; i--)
printf_unfiltered ("%02x", ep->regs[fpreg][i]);
floatformat_to_double(&floatformat_i387_ext, (char *) ep->regs[fpreg],
&val);
floatformat_to_double (&floatformat_i387_ext, (char *) ep->regs[fpreg],
&val);
printf_unfiltered (" %g\n", val);
}
}
i386_float_info ()
{
struct user u; /* just for address computations */
struct user u; /* just for address computations */
int i;
/* fpstate defined in <sys/user.h> */
struct fpstate *fpstatep;
@@ -239,41 +249,41 @@ i386_float_info ()
char fpvalid;
unsigned int rounded_addr;
unsigned int rounded_size;
/*extern int corechan;*/
/*extern int corechan; */
int skip;
extern int inferior_pid;
uaddr = (char *)&U_FPSTATE(u) - (char *)&u;
if (inferior_pid)
uaddr = (char *) &U_FPSTATE (u) - (char *) &u;
if (inferior_pid)
{
int *ip;
rounded_addr = uaddr & -sizeof (int);
rounded_size = (((uaddr + sizeof (struct fpstate)) - uaddr) +
sizeof (int) - 1) / sizeof (int);
skip = uaddr - rounded_addr;
ip = (int *)buf;
for (i = 0; i < rounded_size; i++)
ip = (int *) buf;
for (i = 0; i < rounded_size; i++)
{
*ip++ = ptrace (PT_READ_U, inferior_pid, (caddr_t)rounded_addr, 0);
*ip++ = ptrace (PT_READ_U, inferior_pid, (caddr_t) rounded_addr, 0);
rounded_addr += sizeof (int);
}
}
else
}
else
{
printf("float info: can't do a core file (yet)\n");
printf ("float info: can't do a core file (yet)\n");
return;
#if 0
if (lseek (corechan, uaddr, 0) < 0)
perror_with_name ("seek on core file");
if (myread (corechan, buf, sizeof (struct fpstate)) < 0)
perror_with_name ("read from core file");
if (myread (corechan, buf, sizeof (struct fpstate)) < 0)
perror_with_name ("read from core file");
skip = 0;
#endif
}
print_387_status (0, (struct env387 *)buf);
print_387_status (0, (struct env387 *) buf);
}
int