/* Native support for Sun 386i's for GDB, the GNU debugger.
- Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1999, 2000, 2001
+ Free Software Foundation, Inc.
C2V Paris, April 89.
-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. */
-
-#if defined (GDB_TARGET_IS_SUN386)
+ 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 "frame.h"
#include "inferior.h"
#include "gdbcore.h"
+#include "regcache.h"
#include <sys/param.h>
#include <sys/dir.h>
#include <sys/file.h>
#include "gdb_stat.h"
#include <sys/core.h>
-
\f
-/* Machine-dependent code which would otherwise be in core.c */
-/* Work with core files, for GDB. */
+/* Machine-dependent code which would otherwise be in corefile.c */
+/* Work with core files, for GDB. */
\f
+
void
-core_file_command (filename, from_tty)
- char *filename;
- int from_tty;
+core_file_command (char *filename, int from_tty)
{
int val;
- extern char registers[];
/* Discard all vestiges of any previous core file
and mark data and stack spaces as empty. */
if (corefile)
- free (corefile);
+ xfree (corefile);
corefile = 0;
if (corechan >= 0)
if (filename)
{
filename = tilde_expand (filename);
- make_cleanup (free, filename);
-
+ make_cleanup (xfree, filename);
+
if (have_inferior_p ())
error ("To look at a core file, you must kill the program with \"kill\".");
corechan = open (filename, O_RDONLY, 0);
error ("\"%s\" does not appear to be a core dump file (magic 0x%x, expected 0x%x)",
filename, corestr.c_magic, (int) CORE_MAGIC);
else if (sizeof (struct core) != corestr.c_len)
- error ("\"%s\" has an invalid struct core length (%d, expected %d)",
- filename, corestr.c_len, (int) sizeof (struct core));
+ error ("\"%s\" has an invalid struct core length (%d, expected %d)",
+ filename, corestr.c_len, (int) sizeof (struct core));
data_start = exec_data_start;
data_end = data_start + corestr.c_dsize;
memcpy (registers, &corestr.c_regs, sizeof corestr.c_regs);
memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)],
- corestr.c_fpu.f_fpstatus.f_st,
- sizeof corestr.c_fpu.f_fpstatus.f_st);
+ corestr.c_fpu.f_fpstatus.f_st,
+ sizeof corestr.c_fpu.f_fpstatus.f_st);
memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &corestr.c_fpu.f_fpstatus.f_ctrl,
- sizeof corestr.c_fpu.f_fpstatus -
- sizeof corestr.c_fpu.f_fpstatus.f_st);
+ &corestr.c_fpu.f_fpstatus.f_ctrl,
+ sizeof corestr.c_fpu.f_fpstatus -
+ sizeof corestr.c_fpu.f_fpstatus.f_st);
/* the struct aouthdr of sun coff is not the struct exec stored
in the core file. */
memcpy (&core_aouthdr, &corestr.c_aouthdr, sizeof (struct exec));
#ifndef COFF_ENCAPSULATE
core_aouthdr.magic = corestr.c_aouthdr.a_info;
- core_aouthdr.vstamp = /*SUNVERSION*/ 31252;
+ core_aouthdr.vstamp = /*SUNVERSION */ 31252;
#endif
printf_unfiltered ("Core file is from \"%s\".\n", corestr.c_cmdname);
if (corestr.c_signo > 0)
printf_unfiltered ("Program terminated with signal %d, %s.\n",
- corestr.c_signo, safe_strsignal (corestr.c_signo));
+ corestr.c_signo, safe_strsignal (corestr.c_signo));
}
if (filename[0] == '/')
corefile = savestring (filename, strlen (filename));
printf_unfiltered ("No core file now.\n");
}
-i387_to_double (from, to)
- char *from;
- char *to;
+i387_to_double (char *from, char *to)
{
long *lp;
/* push extended mode on 387 stack, then pop in double mode
- *
+
* first, set exception masks so no error is generated -
* number will be rounded to inf or 0, if necessary
*/
- asm ("pushl %eax"); /* grab a stack slot */
+ asm ("pushl %eax"); /* grab a stack slot */
asm ("fstcw (%esp)"); /* get 387 control word */
asm ("movl (%esp),%eax"); /* save old value */
- asm ("orl $0x3f,%eax"); /* mask all exceptions */
+ asm ("orl $0x3f,%eax"); /* mask all exceptions */
asm ("pushl %eax");
asm ("fldcw (%esp)"); /* load new value into 387 */
-
+
asm ("movl 8(%ebp),%eax");
asm ("fldt (%eax)"); /* push extended number on 387 stack */
asm ("fwait");
asm ("movl 12(%ebp),%eax");
asm ("fstpl (%eax)"); /* pop double */
asm ("fwait");
-
+
asm ("popl %eax"); /* flush modified control word */
- asm ("fnclex"); /* clear exceptions */
+ asm ("fnclex"); /* clear exceptions */
asm ("fldcw (%esp)"); /* restore original control word */
asm ("popl %eax"); /* flush saved copy */
}
-double_to_i387 (from, to)
- char *from;
- char *to;
+double_to_i387 (char *from, char *to)
{
/* push double mode on 387 stack, then pop in extended mode
* no errors are possible because every 64-bit pattern
asm ("fstpt (%eax)");
asm ("fwait");
}
-#else /* Not sun386 target. */
-
-/* These functions shouldn't be called when we're cross-debugging. */
-
-/* ARGSUSED */
-void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- unsigned int reg_addr; /* Unused in this version */
-{
-}
-
-#endif /* Not sun386 target. */
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
struct regs inferior_registers;
struct fp_state inferior_fp_registers;
- extern char registers[];
registers_fetched ();
ptrace (PTRACE_GETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
+ (PTRACE_ARG3_TYPE) & inferior_registers);
ptrace (PTRACE_GETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers);
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers);
memcpy (registers, &inferior_registers, sizeof inferior_registers);
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)],inferior_fp_registers.f_st,
- sizeof inferior_fp_registers.f_st);
+ memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.f_st,
+ sizeof inferior_fp_registers.f_st);
memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &inferior_fp_registers.f_ctrl,
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
+ &inferior_fp_registers.f_ctrl,
+ sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
}
/* Store our register values back into the inferior.
Otherwise, REGNO specifies which register (so we can save time). */
void
-store_inferior_registers (regno)
- int regno;
+store_inferior_registers (int regno)
{
struct regs inferior_registers;
struct fp_state inferior_fp_registers;
- extern char registers[];
memcpy (&inferior_registers, registers, 20 * 4);
memcpy (inferior_fp_registers.f_st,
- ®isters[REGISTER_BYTE (FP0_REGNUM)],
- sizeof inferior_fp_registers.f_st);
+ ®isters[REGISTER_BYTE (FP0_REGNUM)],
+ sizeof inferior_fp_registers.f_st);
memcpy (&inferior_fp_registers.f_ctrl,
- ®isters[REGISTER_BYTE (FPC_REGNUM)],
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
-
+ ®isters[REGISTER_BYTE (FPC_REGNUM)],
+ sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
+
#ifdef PTRACE_FP_BUG
if (regno == FP_REGNUM || regno == -1)
/* Storing the frame pointer requires a gross hack, in which an
int reg = inferior_registers.r_reg[EAX];
inferior_registers.r_reg[EAX] =
inferior_registers.r_reg[FP_REGNUM];
- ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
+ ptrace (PTRACE_SETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) & inferior_registers);
ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack,
0xc589);
ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack,
}
#endif
ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
+ (PTRACE_ARG3_TYPE) & inferior_registers);
ptrace (PTRACE_SETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers);
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers);
}
-
projects / binutils.git / blobdiff