#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "regcache.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include "gdbcore.h"
#include <sys/user.h>
#ifndef USER
#define USER ptrace_user
#endif
#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/file.h>
#include "gdb_stat.h"
#include "symtab.h"
#include "setjmp.h"
#include "value.h"
#ifdef DELTA88
#include <sys/ptrace.h>
#define SXIP_OFFSET ((char *)&u.pt_sigframe.sig_sxip - (char *)&u)
#define SNIP_OFFSET ((char *)&u.pt_sigframe.sig_snip - (char *)&u)
#define SFIP_OFFSET ((char *)&u.pt_sigframe.sig_sfip - (char *)&u)
#else
#define SXIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u)
#define SNIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u)
#define SFIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u)
#endif
extern int have_symbol_file_p ();
extern jmp_buf stack_jmp;
extern int errno;
void
fetch_inferior_registers (int regno)
{
register unsigned int regaddr;
char buf[MAX_REGISTER_RAW_SIZE];
register int i;
struct USER u;
unsigned int offset;
offset = (char *) &u.pt_r0 - (char *) &u;
regaddr = offset;
for (regno = 0; regno < NUM_REGS; regno++)
{
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
*(int *) &buf[i] = ptrace (3, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) regaddr, 0);
regaddr += sizeof (int);
}
supply_register (regno, buf);
}
*(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SXIP_OFFSET, 0);
supply_register (SXIP_REGNUM, buf);
*(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SNIP_OFFSET, 0);
supply_register (SNIP_REGNUM, buf);
*(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SFIP_OFFSET, 0);
supply_register (SFIP_REGNUM, buf);
}
void
store_inferior_registers (int regno)
{
register unsigned int regaddr;
char buf[80];
struct USER u;
unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
regaddr = offset;
if (regno >= 0)
{
if (regno < PC_REGNUM)
{
regaddr = offset + regno * sizeof (int);
errno = 0;
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) regaddr, read_register (regno));
if (errno != 0)
{
sprintf (buf, "writing register number %d", regno);
perror_with_name (buf);
}
}
else if (regno == SXIP_REGNUM)
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno));
else if (regno == SNIP_REGNUM)
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno));
else if (regno == SFIP_REGNUM)
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (regno));
else
printf_unfiltered ("Bad register number for store_inferior routine\n");
}
else
{
for (regno = 0; regno < PC_REGNUM; regno++)
{
errno = 0;
regaddr = offset + regno * sizeof (int);
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) regaddr, read_register (regno));
if (errno != 0)
{
sprintf (buf, "writing register number %d", regno);
perror_with_name (buf);
}
}
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM));
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM));
ptrace (6, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM));
}
}
m88k_register_u_addr (int blockend, int regnum)
{
struct USER u;
int ustart = blockend - sizeof (struct USER);
switch (regnum)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
case 20:
case 21:
case 22:
case 23:
case 24:
case 25:
case 26:
case 27:
case 28:
case 29:
case 30:
case 31:
return (ustart + ((int) &u.pt_r0 - (int) &u) + REGISTER_SIZE * regnum);
case PSR_REGNUM:
return (ustart + ((int) &u.pt_psr - (int) &u));
case FPSR_REGNUM:
return (ustart + ((int) &u.pt_fpsr - (int) &u));
case FPCR_REGNUM:
return (ustart + ((int) &u.pt_fpcr - (int) &u));
case SXIP_REGNUM:
return (ustart + SXIP_OFFSET);
case SNIP_REGNUM:
return (ustart + SNIP_OFFSET);
case SFIP_REGNUM:
return (ustart + SFIP_OFFSET);
default:
if (regnum < NUM_REGS)
return (ustart + ((int) &u.pt_r0 - (int) &u));
else
return (blockend + REGISTER_SIZE * regnum);
}
}
#ifdef USE_PROC_FS
#include <sys/procfs.h>
#include "gregset.h"
void
supply_gregset (gregset_t *gregsetp)
{
register int regi;
register greg_t *regp = (greg_t *) gregsetp;
for (regi = 0; regi <= SP_REGNUM; regi++)
supply_register (regi, (char *) (regp + regi));
supply_register (SXIP_REGNUM, (char *) (regp + R_XIP));
supply_register (SNIP_REGNUM, (char *) (regp + R_NIP));
supply_register (SFIP_REGNUM, (char *) (regp + R_FIP));
supply_register (PSR_REGNUM, (char *) (regp + R_PSR));
supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR));
supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR));
}
void
fill_gregset (gregset_t *gregsetp, int regno)
{
int regi;
register greg_t *regp = (greg_t *) gregsetp;
for (regi = 0; regi <= R_R31; regi++)
if ((regno == -1) || (regno == regi))
*(regp + regi) = *(int *) ®isters[REGISTER_BYTE (regi)];
if ((regno == -1) || (regno == SXIP_REGNUM))
*(regp + R_XIP) = *(int *) ®isters[REGISTER_BYTE (SXIP_REGNUM)];
if ((regno == -1) || (regno == SNIP_REGNUM))
*(regp + R_NIP) = *(int *) ®isters[REGISTER_BYTE (SNIP_REGNUM)];
if ((regno == -1) || (regno == SFIP_REGNUM))
*(regp + R_FIP) = *(int *) ®isters[REGISTER_BYTE (SFIP_REGNUM)];
if ((regno == -1) || (regno == PSR_REGNUM))
*(regp + R_PSR) = *(int *) ®isters[REGISTER_BYTE (PSR_REGNUM)];
if ((regno == -1) || (regno == FPSR_REGNUM))
*(regp + R_FPSR) = *(int *) ®isters[REGISTER_BYTE (FPSR_REGNUM)];
if ((regno == -1) || (regno == FPCR_REGNUM))
*(regp + R_FPCR) = *(int *) ®isters[REGISTER_BYTE (FPCR_REGNUM)];
}
#endif