forked from Imagelibrary/binutils-gdb
Obsolete sun386i.
This commit is contained in:
Andrew Cagney
500
gdb/sun386-nat.c
500
gdb/sun386-nat.c
@@ -1,250 +1,250 @@
|
||||
/* Native support for Sun 386i's for GDB, the GNU debugger.
|
||||
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1999, 2000, 2001
|
||||
Free Software Foundation, Inc.
|
||||
Changes for sun386i by Jean Daniel Fekete (jdf@litp.univ-p6-7.fr),
|
||||
C2V Paris, April 89.
|
||||
|
||||
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"
|
||||
#include "frame.h"
|
||||
#include "inferior.h"
|
||||
#include "gdbcore.h"
|
||||
#include "regcache.h"
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/dir.h>
|
||||
#include <sys/user.h>
|
||||
#include <signal.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#include <sys/ptrace.h>
|
||||
#include <machine/reg.h>
|
||||
|
||||
#include <sys/file.h>
|
||||
#include "gdb_stat.h"
|
||||
#include <sys/core.h>
|
||||
|
||||
|
||||
/* Machine-dependent code which would otherwise be in corefile.c */
|
||||
/* Work with core files, for GDB. */
|
||||
|
||||
|
||||
void
|
||||
core_file_command (char *filename, int from_tty)
|
||||
{
|
||||
int val;
|
||||
|
||||
/* Discard all vestiges of any previous core file
|
||||
and mark data and stack spaces as empty. */
|
||||
|
||||
if (corefile)
|
||||
xfree (corefile);
|
||||
corefile = 0;
|
||||
|
||||
if (corechan >= 0)
|
||||
close (corechan);
|
||||
corechan = -1;
|
||||
|
||||
data_start = 0;
|
||||
data_end = 0;
|
||||
stack_start = STACK_END_ADDR;
|
||||
stack_end = STACK_END_ADDR;
|
||||
|
||||
/* Now, if a new core file was specified, open it and digest it. */
|
||||
|
||||
if (filename)
|
||||
{
|
||||
filename = tilde_expand (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);
|
||||
if (corechan < 0)
|
||||
perror_with_name (filename);
|
||||
|
||||
{
|
||||
struct core corestr;
|
||||
|
||||
val = myread (corechan, &corestr, sizeof corestr);
|
||||
if (val < 0)
|
||||
perror_with_name (filename);
|
||||
if (corestr.c_magic != CORE_MAGIC)
|
||||
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));
|
||||
|
||||
data_start = exec_data_start;
|
||||
data_end = data_start + corestr.c_dsize;
|
||||
stack_start = stack_end - corestr.c_ssize;
|
||||
data_offset = sizeof corestr;
|
||||
stack_offset = sizeof corestr + 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);
|
||||
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);
|
||||
|
||||
/* 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;
|
||||
#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));
|
||||
}
|
||||
if (filename[0] == '/')
|
||||
corefile = savestring (filename, strlen (filename));
|
||||
else
|
||||
{
|
||||
corefile = concat (current_directory, "/", filename, NULL);
|
||||
}
|
||||
|
||||
flush_cached_frames ();
|
||||
select_frame (get_current_frame (), 0);
|
||||
|
||||
validate_files ();
|
||||
}
|
||||
else if (from_tty)
|
||||
printf_unfiltered ("No core file now.\n");
|
||||
}
|
||||
|
||||
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 ("fstcw (%esp)"); /* get 387 control word */
|
||||
asm ("movl (%esp),%eax"); /* save old value */
|
||||
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 ("fldcw (%esp)"); /* restore original control word */
|
||||
asm ("popl %eax"); /* flush saved copy */
|
||||
}
|
||||
|
||||
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
|
||||
* can be converted to an extended
|
||||
*/
|
||||
asm ("movl 8(%ebp),%eax");
|
||||
asm ("fldl (%eax)");
|
||||
asm ("fwait");
|
||||
asm ("movl 12(%ebp),%eax");
|
||||
asm ("fstpt (%eax)");
|
||||
asm ("fwait");
|
||||
}
|
||||
|
||||
void
|
||||
fetch_inferior_registers (int regno)
|
||||
{
|
||||
struct regs inferior_registers;
|
||||
struct fp_state inferior_fp_registers;
|
||||
|
||||
registers_fetched ();
|
||||
|
||||
ptrace (PTRACE_GETREGS, inferior_pid,
|
||||
(PTRACE_ARG3_TYPE) & inferior_registers);
|
||||
ptrace (PTRACE_GETFPREGS, inferior_pid,
|
||||
(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 (FPC_REGNUM)],
|
||||
&inferior_fp_registers.f_ctrl,
|
||||
sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
|
||||
}
|
||||
|
||||
/* Store our register values back into the inferior.
|
||||
If REGNO is -1, do this for all registers.
|
||||
Otherwise, REGNO specifies which register (so we can save time). */
|
||||
|
||||
void
|
||||
store_inferior_registers (int regno)
|
||||
{
|
||||
struct regs inferior_registers;
|
||||
struct fp_state inferior_fp_registers;
|
||||
|
||||
memcpy (&inferior_registers, registers, 20 * 4);
|
||||
|
||||
memcpy (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);
|
||||
|
||||
#ifdef PTRACE_FP_BUG
|
||||
if (regno == FP_REGNUM || regno == -1)
|
||||
/* Storing the frame pointer requires a gross hack, in which an
|
||||
instruction that moves eax into ebp gets single-stepped. */
|
||||
{
|
||||
int stack = inferior_registers.r_reg[SP_REGNUM];
|
||||
int stuff = ptrace (PTRACE_PEEKDATA, inferior_pid,
|
||||
(PTRACE_ARG3_TYPE) stack);
|
||||
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_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack,
|
||||
0xc589);
|
||||
ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack,
|
||||
0);
|
||||
wait (0);
|
||||
ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack,
|
||||
stuff);
|
||||
inferior_registers.r_reg[EAX] = reg;
|
||||
}
|
||||
#endif
|
||||
ptrace (PTRACE_SETREGS, inferior_pid,
|
||||
(PTRACE_ARG3_TYPE) & inferior_registers);
|
||||
ptrace (PTRACE_SETFPREGS, inferior_pid,
|
||||
(PTRACE_ARG3_TYPE) & inferior_fp_registers);
|
||||
}
|
||||
/* OBSOLETE /* Native support for Sun 386i's for GDB, the GNU debugger. */
|
||||
/* OBSOLETE Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1999, 2000, 2001 */
|
||||
/* OBSOLETE Free Software Foundation, Inc. */
|
||||
/* OBSOLETE Changes for sun386i by Jean Daniel Fekete (jdf@litp.univ-p6-7.fr), */
|
||||
/* OBSOLETE C2V Paris, April 89. */
|
||||
/* 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, */
|
||||
/* OBSOLETE Boston, MA 02111-1307, USA. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #include "defs.h" */
|
||||
/* OBSOLETE #include "frame.h" */
|
||||
/* OBSOLETE #include "inferior.h" */
|
||||
/* OBSOLETE #include "gdbcore.h" */
|
||||
/* OBSOLETE #include "regcache.h" */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #include <sys/param.h> */
|
||||
/* OBSOLETE #include <sys/dir.h> */
|
||||
/* OBSOLETE #include <sys/user.h> */
|
||||
/* OBSOLETE #include <signal.h> */
|
||||
/* OBSOLETE #include <sys/ioctl.h> */
|
||||
/* OBSOLETE #include <fcntl.h> */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #include <sys/ptrace.h> */
|
||||
/* OBSOLETE #include <machine/reg.h> */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #include <sys/file.h> */
|
||||
/* OBSOLETE #include "gdb_stat.h" */
|
||||
/* OBSOLETE #include <sys/core.h> */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Machine-dependent code which would otherwise be in corefile.c */ */
|
||||
/* OBSOLETE /* Work with core files, for GDB. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE core_file_command (char *filename, int from_tty) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE int val; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Discard all vestiges of any previous core file */
|
||||
/* OBSOLETE and mark data and stack spaces as empty. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (corefile) */
|
||||
/* OBSOLETE xfree (corefile); */
|
||||
/* OBSOLETE corefile = 0; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (corechan >= 0) */
|
||||
/* OBSOLETE close (corechan); */
|
||||
/* OBSOLETE corechan = -1; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE data_start = 0; */
|
||||
/* OBSOLETE data_end = 0; */
|
||||
/* OBSOLETE stack_start = STACK_END_ADDR; */
|
||||
/* OBSOLETE stack_end = STACK_END_ADDR; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Now, if a new core file was specified, open it and digest it. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (filename) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE filename = tilde_expand (filename); */
|
||||
/* OBSOLETE make_cleanup (xfree, filename); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (have_inferior_p ()) */
|
||||
/* OBSOLETE error ("To look at a core file, you must kill the program with \"kill\"."); */
|
||||
/* OBSOLETE corechan = open (filename, O_RDONLY, 0); */
|
||||
/* OBSOLETE if (corechan < 0) */
|
||||
/* OBSOLETE perror_with_name (filename); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE struct core corestr; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE val = myread (corechan, &corestr, sizeof corestr); */
|
||||
/* OBSOLETE if (val < 0) */
|
||||
/* OBSOLETE perror_with_name (filename); */
|
||||
/* OBSOLETE if (corestr.c_magic != CORE_MAGIC) */
|
||||
/* OBSOLETE error ("\"%s\" does not appear to be a core dump file (magic 0x%x, expected 0x%x)", */
|
||||
/* OBSOLETE filename, corestr.c_magic, (int) CORE_MAGIC); */
|
||||
/* OBSOLETE else if (sizeof (struct core) != corestr.c_len) */
|
||||
/* OBSOLETE error ("\"%s\" has an invalid struct core length (%d, expected %d)", */
|
||||
/* OBSOLETE filename, corestr.c_len, (int) sizeof (struct core)); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE data_start = exec_data_start; */
|
||||
/* OBSOLETE data_end = data_start + corestr.c_dsize; */
|
||||
/* OBSOLETE stack_start = stack_end - corestr.c_ssize; */
|
||||
/* OBSOLETE data_offset = sizeof corestr; */
|
||||
/* OBSOLETE stack_offset = sizeof corestr + corestr.c_dsize; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE memcpy (registers, &corestr.c_regs, sizeof corestr.c_regs); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], */
|
||||
/* OBSOLETE corestr.c_fpu.f_fpstatus.f_st, */
|
||||
/* OBSOLETE sizeof corestr.c_fpu.f_fpstatus.f_st); */
|
||||
/* OBSOLETE memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)], */
|
||||
/* OBSOLETE &corestr.c_fpu.f_fpstatus.f_ctrl, */
|
||||
/* OBSOLETE sizeof corestr.c_fpu.f_fpstatus - */
|
||||
/* OBSOLETE sizeof corestr.c_fpu.f_fpstatus.f_st); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* the struct aouthdr of sun coff is not the struct exec stored */
|
||||
/* OBSOLETE in the core file. */ */
|
||||
/* OBSOLETE memcpy (&core_aouthdr, &corestr.c_aouthdr, sizeof (struct exec)); */
|
||||
/* OBSOLETE #ifndef COFF_ENCAPSULATE */
|
||||
/* OBSOLETE core_aouthdr.magic = corestr.c_aouthdr.a_info; */
|
||||
/* OBSOLETE core_aouthdr.vstamp = /*SUNVERSION */ 31252; */
|
||||
/* OBSOLETE #endif */
|
||||
/* OBSOLETE printf_unfiltered ("Core file is from \"%s\".\n", corestr.c_cmdname); */
|
||||
/* OBSOLETE if (corestr.c_signo > 0) */
|
||||
/* OBSOLETE printf_unfiltered ("Program terminated with signal %d, %s.\n", */
|
||||
/* OBSOLETE corestr.c_signo, safe_strsignal (corestr.c_signo)); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE if (filename[0] == '/') */
|
||||
/* OBSOLETE corefile = savestring (filename, strlen (filename)); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE corefile = concat (current_directory, "/", filename, NULL); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE flush_cached_frames (); */
|
||||
/* OBSOLETE select_frame (get_current_frame (), 0); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE validate_files (); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else if (from_tty) */
|
||||
/* OBSOLETE printf_unfiltered ("No core file now.\n"); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE i387_to_double (char *from, char *to) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE long *lp; */
|
||||
/* OBSOLETE /* push extended mode on 387 stack, then pop in double mode */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE * first, set exception masks so no error is generated - */
|
||||
/* OBSOLETE * number will be rounded to inf or 0, if necessary */
|
||||
/* OBSOLETE */ */
|
||||
/* OBSOLETE asm ("pushl %eax"); /* grab a stack slot */ */
|
||||
/* OBSOLETE asm ("fstcw (%esp)"); /* get 387 control word */ */
|
||||
/* OBSOLETE asm ("movl (%esp),%eax"); /* save old value */ */
|
||||
/* OBSOLETE asm ("orl $0x3f,%eax"); /* mask all exceptions */ */
|
||||
/* OBSOLETE asm ("pushl %eax"); */
|
||||
/* OBSOLETE asm ("fldcw (%esp)"); /* load new value into 387 */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE asm ("movl 8(%ebp),%eax"); */
|
||||
/* OBSOLETE asm ("fldt (%eax)"); /* push extended number on 387 stack */ */
|
||||
/* OBSOLETE asm ("fwait"); */
|
||||
/* OBSOLETE asm ("movl 12(%ebp),%eax"); */
|
||||
/* OBSOLETE asm ("fstpl (%eax)"); /* pop double */ */
|
||||
/* OBSOLETE asm ("fwait"); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE asm ("popl %eax"); /* flush modified control word */ */
|
||||
/* OBSOLETE asm ("fnclex"); /* clear exceptions */ */
|
||||
/* OBSOLETE asm ("fldcw (%esp)"); /* restore original control word */ */
|
||||
/* OBSOLETE asm ("popl %eax"); /* flush saved copy */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE double_to_i387 (char *from, char *to) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE /* push double mode on 387 stack, then pop in extended mode */
|
||||
/* OBSOLETE * no errors are possible because every 64-bit pattern */
|
||||
/* OBSOLETE * can be converted to an extended */
|
||||
/* OBSOLETE */ */
|
||||
/* OBSOLETE asm ("movl 8(%ebp),%eax"); */
|
||||
/* OBSOLETE asm ("fldl (%eax)"); */
|
||||
/* OBSOLETE asm ("fwait"); */
|
||||
/* OBSOLETE asm ("movl 12(%ebp),%eax"); */
|
||||
/* OBSOLETE asm ("fstpt (%eax)"); */
|
||||
/* OBSOLETE asm ("fwait"); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE fetch_inferior_registers (int regno) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE struct regs inferior_registers; */
|
||||
/* OBSOLETE struct fp_state inferior_fp_registers; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE registers_fetched (); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE ptrace (PTRACE_GETREGS, inferior_pid, */
|
||||
/* OBSOLETE (PTRACE_ARG3_TYPE) & inferior_registers); */
|
||||
/* OBSOLETE ptrace (PTRACE_GETFPREGS, inferior_pid, */
|
||||
/* OBSOLETE (PTRACE_ARG3_TYPE) & inferior_fp_registers); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE memcpy (registers, &inferior_registers, sizeof inferior_registers); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.f_st, */
|
||||
/* OBSOLETE sizeof inferior_fp_registers.f_st); */
|
||||
/* OBSOLETE memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)], */
|
||||
/* OBSOLETE &inferior_fp_registers.f_ctrl, */
|
||||
/* OBSOLETE sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Store our register values back into the inferior. */
|
||||
/* OBSOLETE If REGNO is -1, do this for all registers. */
|
||||
/* OBSOLETE Otherwise, REGNO specifies which register (so we can save time). */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE store_inferior_registers (int regno) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE struct regs inferior_registers; */
|
||||
/* OBSOLETE struct fp_state inferior_fp_registers; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE memcpy (&inferior_registers, registers, 20 * 4); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE memcpy (inferior_fp_registers.f_st, */
|
||||
/* OBSOLETE ®isters[REGISTER_BYTE (FP0_REGNUM)], */
|
||||
/* OBSOLETE sizeof inferior_fp_registers.f_st); */
|
||||
/* OBSOLETE memcpy (&inferior_fp_registers.f_ctrl, */
|
||||
/* OBSOLETE ®isters[REGISTER_BYTE (FPC_REGNUM)], */
|
||||
/* OBSOLETE sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #ifdef PTRACE_FP_BUG */
|
||||
/* OBSOLETE if (regno == FP_REGNUM || regno == -1) */
|
||||
/* OBSOLETE /* Storing the frame pointer requires a gross hack, in which an */
|
||||
/* OBSOLETE instruction that moves eax into ebp gets single-stepped. */ */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE int stack = inferior_registers.r_reg[SP_REGNUM]; */
|
||||
/* OBSOLETE int stuff = ptrace (PTRACE_PEEKDATA, inferior_pid, */
|
||||
/* OBSOLETE (PTRACE_ARG3_TYPE) stack); */
|
||||
/* OBSOLETE int reg = inferior_registers.r_reg[EAX]; */
|
||||
/* OBSOLETE inferior_registers.r_reg[EAX] = */
|
||||
/* OBSOLETE inferior_registers.r_reg[FP_REGNUM]; */
|
||||
/* OBSOLETE ptrace (PTRACE_SETREGS, inferior_pid, */
|
||||
/* OBSOLETE (PTRACE_ARG3_TYPE) & inferior_registers); */
|
||||
/* OBSOLETE ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, */
|
||||
/* OBSOLETE 0xc589); */
|
||||
/* OBSOLETE ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack, */
|
||||
/* OBSOLETE 0); */
|
||||
/* OBSOLETE wait (0); */
|
||||
/* OBSOLETE ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, */
|
||||
/* OBSOLETE stuff); */
|
||||
/* OBSOLETE inferior_registers.r_reg[EAX] = reg; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE #endif */
|
||||
/* OBSOLETE ptrace (PTRACE_SETREGS, inferior_pid, */
|
||||
/* OBSOLETE (PTRACE_ARG3_TYPE) & inferior_registers); */
|
||||
/* OBSOLETE ptrace (PTRACE_SETFPREGS, inferior_pid, */
|
||||
/* OBSOLETE (PTRACE_ARG3_TYPE) & inferior_fp_registers); */
|
||||
/* OBSOLETE } */
|
||||
|
||||
Reference in New Issue
Block a user