Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
-#ifdef sgi
-#include <sys/inst.h>
-#else
-#include <mips/inst.h>
-#endif
-#include "frame.h"
#include "inferior.h"
-#include "symtab.h"
-#include "value.h"
-
-#ifdef USG
-#include <sys/types.h>
-#endif
-
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-/* #include <fcntl.h> Can we live without this? */
-
#include "gdbcore.h"
-#include <sys/user.h> /* After a.out.h */
-#include <sys/file.h>
-#include <sys/stat.h>
+/* For now we stub this out; sgi core format is super-hairy (and completely
+ different in the new release).
+ For most mips systems, this function is defined in coredep.c. */
-/* For now we stub this out; sgi format is super-hairy (and completely
- different in the new release) */
-
-#ifdef sgi
+#if defined(sgi)
void
-fetch_core_registers ()
+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;
{
return;
}
+#endif
+
+/* Access to the inferior is only good for native systems, not cross.
+ I am not sure why this is stubbed out on SGI... --gnu@cygnus.com */
+
+#if defined(sgi) || !defined(GDB_TARGET_IS_MIPS)
/* ARGSUSED */
void
#else
-/* Map gdb internal register number to ptrace address. */
+/* DECstation native... */
+
+#include <sys/ptrace.h>
+
+/* Map gdb internal register number to ptrace ``address''.
+ These ``addresses'' are defined in DECstation <sys/ptrace.h> */
#define REGISTER_PTRACE_ADDR(regno) \
- (regno < 32 ? regno \
- : regno == PC_REGNUM ? 96 \
- : regno == CAUSE_REGNUM ? 97 \
- : regno == HI_REGNUM ? 98 \
- : regno == LO_REGNUM ? 99 \
- : regno == FCRCS_REGNUM ? 100 \
- : regno == FCRIR_REGNUM ? 101 \
- : regno >= FP0_REGNUM ? regno - (FP0_REGNUM-32)\
+ (regno < 32 ? GPR_BASE + regno \
+ : regno == PC_REGNUM ? PC \
+ : regno == CAUSE_REGNUM ? CAUSE \
+ : regno == HI_REGNUM ? MMHI \
+ : regno == LO_REGNUM ? MMLO \
+ : regno == FCRCS_REGNUM ? FPC_CSR \
+ : regno == FCRIR_REGNUM ? FPC_EIR \
+ : regno >= FP0_REGNUM ? FPR_BASE + (regno - FP0_REGNUM) \
: 0)
+static const char zerobuf[MAX_REGISTER_RAW_SIZE];
+
/* Get all registers from the inferior */
void
regaddr = REGISTER_PTRACE_ADDR (regno);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
- *(int *) &buf[i] = ptrace (3, inferior_pid,
+ *(int *) &buf[i] = ptrace (PT_READ_U, inferior_pid,
(PTRACE_ARG3_TYPE) regaddr, 0);
regaddr += sizeof (int);
}
supply_register (regno, buf);
}
+
+ supply_register (ZERO_REGNUM, zerobuf);
+ /* Frame ptr reg must appear to be 0; it is faked by stack handling code. */
+ supply_register (FP_REGNUM, zerobuf);
}
/* Store our register values back into the inferior.
{
regaddr = REGISTER_PTRACE_ADDR (regno);
errno = 0;
- ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
+ ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
read_register (regno));
if (errno != 0)
{
}
#endif /* sgi */
-
-#if 0
-void
-fetch_core_registers ()
-{
- register int regno;
- int val;
-
- for (regno = 1; regno < NUM_REGS; regno++) {
- char buf[MAX_REGISTER_RAW_SIZE];
-
- val = bfd_seek (core_bfd, register_addr (regno, 0));
- if (val < 0 || (val = bfd_read (core_bfd, buf, sizeof buf)) < 0) {
- char buffer[50];
- strcpy (buffer, "Reading register ");
- strcat (buffer, reg_names[regno]);
-
- perror_with_name (buffer);
- }
- supply_register (regno, buf);
- }
-}
-#endif /* 0 */