/* Low level interface to I386 running mach 3.0.
Copyright (C) 1992 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"
#include "inferior.h"
#include <target.h>
/* This mess is duplicated in bfd/i386mach3.h
- *
+
* This is an ugly way to hack around the incorrect
* definition of UPAGES in i386/machparam.h.
*
#elif UPAGES == 2
#define UAREA_SIZE (NBPG*UPAGES)
#else
-FIXME!! UPAGES is neither 2 nor 16
+FIXME ! !UPAGES is neither 2 nor 16
#endif
/* @@@ Should move print_387_status() to i387-tdep.c */
extern void print_387_status_word ();
#define private static
-
\f
+
/* Find offsets to thread states at compile time.
* If your compiler does not grok this, calculate offsets
* offsets yourself and use them (or get a compatible compiler :-)
* location where the gdb registers[i] is stored.
*/
-static int reg_offset[] =
+static int reg_offset[] =
{
- REG_OFFSET(eax), REG_OFFSET(ecx), REG_OFFSET(edx), REG_OFFSET(ebx),
- REG_OFFSET(uesp), REG_OFFSET(ebp), REG_OFFSET(esi), REG_OFFSET(edi),
- REG_OFFSET(eip), REG_OFFSET(efl), REG_OFFSET(cs), REG_OFFSET(ss),
- REG_OFFSET(ds), REG_OFFSET(es), REG_OFFSET(fs), REG_OFFSET(gs)
+ REG_OFFSET (eax), REG_OFFSET (ecx), REG_OFFSET (edx), REG_OFFSET (ebx),
+ REG_OFFSET (uesp), REG_OFFSET (ebp), REG_OFFSET (esi), REG_OFFSET (edi),
+ REG_OFFSET (eip), REG_OFFSET (efl), REG_OFFSET (cs), REG_OFFSET (ss),
+ REG_OFFSET (ds), REG_OFFSET (es), REG_OFFSET (fs), REG_OFFSET (gs)
};
#define REG_ADDRESS(state,regnum) ((char *)(state)+reg_offset[regnum])
thread_state_data_t state;
unsigned int stateCnt = i386_THREAD_STATE_COUNT;
int index;
-
- if (! MACH_PORT_VALID (current_thread))
+
+ if (!MACH_PORT_VALID (current_thread))
error ("fetch inferior registers: Invalid thread");
if (must_suspend_thread)
* since we fetched them all anyway
*/
else if (regno != -1)
- supply_register (regno, (char *)state+reg_offset[regno]);
+ supply_register (regno, (char *) state + reg_offset[regno]);
#endif
else
{
- for (index = 0; index < NUM_REGS; index++)
- supply_register (index, (char *)state+reg_offset[index]);
+ for (index = 0; index < NUM_REGS; index++)
+ supply_register (index, (char *) state + reg_offset[index]);
}
if (must_suspend_thread)
unsigned int stateCnt = i386_THREAD_STATE_COUNT;
register int index;
- if (! MACH_PORT_VALID (current_thread))
+ if (!MACH_PORT_VALID (current_thread))
error ("store inferior registers: Invalid thread");
if (must_suspend_thread)
state,
&stateCnt);
- if (ret != KERN_SUCCESS)
+ if (ret != KERN_SUCCESS)
{
warning ("store_inferior_registers (get): %s",
mach_error_string (ret));
}
/* move gdb's registers to thread's state
- *
+
* Since we save all registers anyway, save the ones
* that gdb thinks are valid (e.g. ignore the regno
* parameter)
else
#endif
{
- for (index = 0; index < NUM_REGS; index++)
+ for (index = 0; index < NUM_REGS; index++)
STORE_REGS (state, index, 1);
}
-
+
/* Write gdb's current view of register to the thread
*/
ret = thread_set_state (current_thread,
i386_THREAD_STATE,
state,
i386_THREAD_STATE_COUNT);
-
+
if (ret != KERN_SUCCESS)
warning ("store_inferior_registers (set): %s",
mach_error_string (ret));
if (must_suspend_thread)
setup_thread (current_thread, 0);
}
-
\f
+
/* Return the address in the core dump or inferior of register REGNO.
* BLOCKEND should be the address of the end of the UPAGES area read
* in memory, but it's not?
error ("Invalid register number %d.", regno);
/* UAREA_SIZE == 8 kB in i386 */
- addr = (unsigned int)REG_ADDRESS (UAREA_SIZE - sizeof(struct i386_thread_state), regno);
+ addr = (unsigned int) REG_ADDRESS (UAREA_SIZE - sizeof (struct i386_thread_state), regno);
return addr;
}
*
* i387 status dumper. See also i387-tdep.c
*/
-struct env387
+struct env387
{
unsigned short control;
unsigned short r0;
int top;
int fpreg;
unsigned char *p;
-
+
bothstatus = ((status != 0) && (ep->status != 0));
- if (status != 0)
+ if (status != 0)
{
if (bothstatus)
printf_unfiltered ("u: ");
print_387_status_word (status);
}
-
- if (ep->status != 0)
+
+ if (ep->status != 0)
{
if (bothstatus)
printf_unfiltered ("e: ");
print_387_status_word (ep->status);
}
-
+
print_387_control_word (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)
+
+ 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);
}
if (ep->r0)
- printf_unfiltered ("warning: reserved0 is %s\n", local_hex_string(ep->r0));
+ printf_unfiltered ("warning: reserved0 is %s\n", local_hex_string (ep->r0));
if (ep->r1)
- printf_unfiltered ("warning: reserved1 is %s\n", local_hex_string(ep->r1));
+ printf_unfiltered ("warning: reserved1 is %s\n", local_hex_string (ep->r1));
if (ep->r2)
- printf_unfiltered ("warning: reserved2 is %s\n", local_hex_string(ep->r2));
+ printf_unfiltered ("warning: reserved2 is %s\n", local_hex_string (ep->r2));
if (ep->r3)
- printf_unfiltered ("warning: reserved3 is %s\n", local_hex_string(ep->r3));
+ printf_unfiltered ("warning: reserved3 is %s\n", local_hex_string (ep->r3));
}
-
+
/*
* values that go into fp_kind (from <i386/fpreg.h>)
*/
-#define FP_NO 0 /* no fp chip, no emulator (no fp support) */
-#define FP_SW 1 /* no fp chip, using software emulator */
-#define FP_HW 2 /* chip present bit */
-#define FP_287 2 /* 80287 chip present */
-#define FP_387 3 /* 80387 chip present */
+#define FP_NO 0 /* no fp chip, no emulator (no fp support) */
+#define FP_SW 1 /* no fp chip, using software emulator */
+#define FP_HW 2 /* chip present bit */
+#define FP_287 2 /* 80287 chip present */
+#define FP_387 3 /* 80387 chip present */
-typedef struct fpstate {
+typedef struct fpstate
+{
#if 1
- unsigned char state[FP_STATE_BYTES]; /* "hardware" state */
+ unsigned char state[FP_STATE_BYTES]; /* "hardware" state */
#else
- struct env387 state; /* Actually this */
+ struct env387 state; /* Actually this */
#endif
- int status; /* Duplicate status */
-} *fpstate_t;
+ int status; /* Duplicate status */
+}
+ *fpstate_t;
/* Mach 3 specific routines.
*/
thread_state_data_t state;
unsigned int fsCnt = i386_FLOAT_STATE_COUNT;
struct i386_float_state *fsp;
-
+
ret = thread_get_state (current_thread,
i386_FLOAT_STATE,
state,
return FALSE;
}
- fsp = (struct i386_float_state *)state;
+ fsp = (struct i386_float_state *) state;
/* The 387 chip (also 486 counts) or a software emulator? */
if (!fsp->initialized || (fsp->fpkind != FP_387 && fsp->fpkind != FP_SW))
return FALSE;
fstate->status = fsp->exc_status;
- memcpy (fstate->state, (char *)&fsp->hw_state, FP_STATE_BYTES);
+ memcpy (fstate->state, (char *) &fsp->hw_state, FP_STATE_BYTES);
return TRUE;
}
* This is called by "info float" command
*/
void
-i386_mach3_float_info()
+i386_mach3_float_info ()
{
- char buf [sizeof (struct fpstate) + 2 * sizeof (int)];
+ char buf[sizeof (struct fpstate) + 2 * sizeof (int)];
boolean_t valid = FALSE;
fpstate_t fps;
-
+
if (target_has_execution)
valid = get_i387_state (buf);
-#if 0
- else if (WE HAVE CORE FILE) /* @@@@ Core files not supported */
+#if 0
+ else if (WE HAVE CORE FILE) /* @@@@ Core files not supported */
valid = get_i387_core_state (buf);
-#endif
+#endif
- if (!valid)
+ if (!valid)
{
warning ("no floating point status saved");
return;
}
-
+
fps = (fpstate_t) buf;
- print_387_status (fps->status, (struct env387 *)fps->state);
+ print_387_status (fps->status, (struct env387 *) fps->state);
}
projects / thirdparty / binutils-gdb.git / blobdiff