/* Native-dependent Motorola 88xxx support for GDB, the GNU Debugger.
Copyright 1988, 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, 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 "frame.h"
#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/file.h>
-#include <sys/stat.h>
+#include "gdb_stat.h"
#include "symtab.h"
#include "setjmp.h"
#define SFIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u)
#endif
-extern int have_symbol_file_p();
+extern int have_symbol_file_p ();
extern jmp_buf stack_jmp;
extern int errno;
-extern char registers[REGISTER_BYTES];
void
fetch_inferior_registers (regno)
- int regno; /* Original value discarded */
+ int regno; /* Original value discarded */
{
register unsigned int regaddr;
char buf[MAX_REGISTER_RAW_SIZE];
struct USER u;
unsigned int offset;
- offset = (char *) &u.pt_r0 - (char *) &u;
- regaddr = offset; /* byte offset to r0;*/
+ offset = (char *) &u.pt_r0 - (char *) &u;
+ regaddr = offset; /* byte offset to r0; */
/* offset = ptrace (3, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */
for (regno = 0; regno < NUM_REGS; regno++)
{
- /*regaddr = register_addr (regno, offset);*/
- /* 88k enhancement */
-
+ /*regaddr = register_addr (regno, offset); */
+ /* 88k enhancement */
+
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- {
- *(int *) &buf[i] = ptrace (3, inferior_pid,
+ {
+ *(int *) &buf[i] = ptrace (3, inferior_pid,
(PTRACE_ARG3_TYPE) regaddr, 0);
- regaddr += sizeof (int);
- }
+ regaddr += sizeof (int);
+ }
supply_register (regno, buf);
}
- /* now load up registers 36 - 38; special pc registers */
- *(int *) &buf[0] = ptrace (3,inferior_pid,
- (PTRACE_ARG3_TYPE) SXIP_OFFSET ,0);
- supply_register (SXIP_REGNUM, buf);
- *(int *) &buf[0] = ptrace (3, inferior_pid,
- (PTRACE_ARG3_TYPE) SNIP_OFFSET,0);
- supply_register (SNIP_REGNUM, buf);
- *(int *) &buf[0] = ptrace (3, inferior_pid,
- (PTRACE_ARG3_TYPE) SFIP_OFFSET,0);
- supply_register (SFIP_REGNUM, buf);
+ /* now load up registers 36 - 38; special pc registers */
+ *(int *) &buf[0] = ptrace (3, inferior_pid,
+ (PTRACE_ARG3_TYPE) SXIP_OFFSET, 0);
+ supply_register (SXIP_REGNUM, buf);
+ *(int *) &buf[0] = ptrace (3, inferior_pid,
+ (PTRACE_ARG3_TYPE) SNIP_OFFSET, 0);
+ supply_register (SNIP_REGNUM, buf);
+ *(int *) &buf[0] = ptrace (3, inferior_pid,
+ (PTRACE_ARG3_TYPE) SFIP_OFFSET, 0);
+ supply_register (SFIP_REGNUM, buf);
}
/* Store our register values back into the inferior.
struct USER u;
-
unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
regaddr = offset;
+ /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either
+ svr3 doesn't run on an 88110, or the kernel isolates the different (not
+ completely sure this is true, but seems to be. */
if (regno >= 0)
{
-/* regaddr = register_addr (regno, offset); */
- if (regno < PC_REGNUM)
- {
- regaddr = offset + regno * sizeof (int);
- errno = 0;
- ptrace (6, inferior_pid,
- (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, inferior_pid,
- (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register(regno));
- else if (regno == SNIP_REGNUM)
- ptrace (6, inferior_pid,
- (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register(regno));
- else if (regno == SFIP_REGNUM)
- ptrace (6, inferior_pid,
- (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register(regno));
- else printf ("Bad register number for store_inferior routine\n");
- }
- else {
- for (regno = 0; regno < NUM_REGS - 3; regno++)
- {
/* regaddr = register_addr (regno, offset); */
- errno = 0;
- regaddr = offset + regno * sizeof (int);
- ptrace (6, inferior_pid,
- (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
- if (errno != 0)
- {
- sprintf (buf, "writing register number %d", regno);
- perror_with_name (buf);
- }
- }
- ptrace (6,inferior_pid,
- (PTRACE_ARG3_TYPE) SXIP_OFFSET,read_register(SXIP_REGNUM));
- ptrace (6,inferior_pid,
- (PTRACE_ARG3_TYPE) SNIP_OFFSET,read_register(SNIP_REGNUM));
- ptrace (6,inferior_pid,
- (PTRACE_ARG3_TYPE) SFIP_OFFSET,read_register(SFIP_REGNUM));
- }
-
-
+ if (regno < PC_REGNUM)
+ {
+ regaddr = offset + regno * sizeof (int);
+ errno = 0;
+ ptrace (6, inferior_pid,
+ (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, inferior_pid,
+ (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno));
+ else if (regno == SNIP_REGNUM)
+ ptrace (6, inferior_pid,
+ (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno));
+ else if (regno == SFIP_REGNUM)
+ ptrace (6, inferior_pid,
+ (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++)
+ {
+ /* regaddr = register_addr (regno, offset); */
+ errno = 0;
+ regaddr = offset + regno * sizeof (int);
+ ptrace (6, inferior_pid,
+ (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
+ if (errno != 0)
+ {
+ sprintf (buf, "writing register number %d", regno);
+ perror_with_name (buf);
+ }
+ }
+ ptrace (6, inferior_pid,
+ (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM));
+ ptrace (6, inferior_pid,
+ (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM));
+ ptrace (6, inferior_pid,
+ (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM));
+ }
}
case 28:
case 29:
case 30:
- case 31: return (ustart + ((int) &u.pt_r0 - (int) &u) + sizeof(REGISTER_TYPE) * 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: return (blockend + sizeof (REGISTER_TYPE) * regnum);
+ 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)
+ /* The register is one of those which is not defined...
+ give it zero */
+ return (ustart + ((int) &u.pt_r0 - (int) &u));
+ else
+ return (blockend + REGISTER_SIZE * regnum);
}
}
#include <sys/procfs.h>
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
/* Given a pointer to a general register set in /proc format (gregset_t *),
- unpack the register contents and supply them as gdb's idea of the current
- register values. */
+ unpack the register contents and supply them as gdb's idea of the current
+ register values. */
void
supply_gregset (gregsetp)
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));
+ 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
gregset_t *gregsetp;
int regno;
{
- int regi;
- register greg_t *regp = (greg_t *) gregsetp;
- extern char registers[];
-
- 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)];
+ 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 /* USE_PROC_FS */
projects / deliverable / binutils-gdb.git / blobdiff