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authorJason Molenda <jsm@bugshack.cygnus.com>1999-07-07 20:19:36 +0000
committerJason Molenda <jsm@bugshack.cygnus.com>1999-07-07 20:19:36 +0000
commita87029ef15e59af2cc0b27cb4024b0db313fa88e (patch)
treea5cc2d6f8ebdbbd957642e72e0e88cc5fe5cd2e1 /gdb/i386gnu-nat.c
parent528824cc847e5a13831dd41e5aacb34679143c94 (diff)
downloadgdb-a87029ef15e59af2cc0b27cb4024b0db313fa88e.tar.gz
import gdb-1999-07-07 post reformat
Diffstat (limited to 'gdb/i386gnu-nat.c')
-rw-r--r--gdb/i386gnu-nat.c171
1 files changed, 91 insertions, 80 deletions
diff --git a/gdb/i386gnu-nat.c b/gdb/i386gnu-nat.c
index 6ed92c167f5..6834ea011b0 100644
--- a/gdb/i386gnu-nat.c
+++ b/gdb/i386gnu-nat.c
@@ -1,21 +1,22 @@
/* Low level interface to I386 running the GNU Hurd
Copyright (C) 1992, 1995, 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"
#include "inferior.h"
@@ -37,7 +38,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <target.h>
/* @@@ Should move print_387_status() to i387-tdep.c */
-extern void print_387_control_word (); /* i387-tdep.h */
+extern void print_387_control_word (); /* i387-tdep.h */
extern void print_387_status_word ();
/* Find offsets to thread states at compile time.
@@ -51,12 +52,12 @@ extern void print_387_status_word ();
* 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_ADDR(state,regnum) ((char *)(state)+reg_offset[regnum])
@@ -84,29 +85,29 @@ gnu_fetch_registers (int reg)
{
struct proc *thread;
thread_state_t state;
-
- inf_update_procs (current_inferior); /* Make sure we know about new threads. */
+
+ inf_update_procs (current_inferior); /* Make sure we know about new threads. */
thread = inf_tid_to_thread (current_inferior, inferior_pid);
- if (! thread)
+ if (!thread)
error ("fetch inferior registers: %d: Invalid thread", inferior_pid);
state = proc_get_state (thread, 0);
- if (! state)
+ if (!state)
warning ("Couldn't fetch register %s from %s (invalid thread).",
REGISTER_NAME (reg), proc_string (thread));
else if (reg >= 0)
{
proc_debug (thread, "fetching register: %s", REGISTER_NAME (reg));
- supply_register (reg, REG_ADDR(state, reg));
+ supply_register (reg, REG_ADDR (state, reg));
thread->fetched_regs |= (1 << reg);
}
else
{
proc_debug (thread, "fetching all registers");
- for (reg = 0; reg < NUM_REGS; reg++)
- supply_register (reg, REG_ADDR(state, reg));
+ for (reg = 0; reg < NUM_REGS; reg++)
+ supply_register (reg, REG_ADDR (state, reg));
thread->fetched_regs = ~0;
}
}
@@ -125,28 +126,28 @@ gnu_store_registers (reg)
int was_aborted, was_valid;
thread_state_t state;
thread_state_data_t old_state;
-
- inf_update_procs (current_inferior); /* Make sure we know about new threads. */
+
+ inf_update_procs (current_inferior); /* Make sure we know about new threads. */
thread = inf_tid_to_thread (current_inferior, inferior_pid);
- if (! thread)
+ if (!thread)
error ("store inferior registers: %d: Invalid thread", inferior_pid);
proc_debug (thread, "storing register %s.", REGISTER_NAME (reg));
was_aborted = thread->aborted;
was_valid = thread->state_valid;
- if (! was_aborted && was_valid)
+ if (!was_aborted && was_valid)
bcopy (&thread->state, &old_state, sizeof (old_state));
state = proc_get_state (thread, 1);
- if (! state)
+ if (!state)
warning ("Couldn't store register %s from %s (invalid thread).",
REGISTER_NAME (reg), proc_string (thread));
else
{
- if (! was_aborted && was_valid)
+ if (!was_aborted && was_valid)
/* See which registers have changed after aborting the thread. */
{
int check_reg;
@@ -175,7 +176,7 @@ gnu_store_registers (reg)
else
{
proc_debug (thread, "storing all registers");
- for (reg = 0; reg < NUM_REGS; reg++)
+ for (reg = 0; reg < NUM_REGS; reg++)
STORE_REGS (state, reg, 1);
}
}
@@ -186,7 +187,7 @@ gnu_store_registers (reg)
*
* i387 status dumper. See also i387-tdep.c
*/
-struct env387
+struct env387
{
unsigned short control;
unsigned short r0;
@@ -215,80 +216,90 @@ print_387_status (status, ep)
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.
*/
@@ -301,7 +312,7 @@ get_i387_state (fstate)
unsigned int fsCnt = i386_FLOAT_STATE_COUNT;
struct i386_float_state *fsp;
struct proc *thread = inf_tid_to_thread (current_inferior, inferior_pid);
-
+
if (!thread)
error ("get_i387_state: Invalid thread");
@@ -315,7 +326,7 @@ get_i387_state (fstate)
return 0;
}
- 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 0;
@@ -327,7 +338,7 @@ get_i387_state (fstate)
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 1;
}
@@ -336,22 +347,22 @@ get_i387_state (fstate)
* 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)];
int valid = 0;
fpstate_t fps;
-
+
if (target_has_execution)
valid = get_i387_state (buf);
- 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);
}