| // OBSOLETE /* Native-dependent Motorola 88xxx support for GDB, the GNU Debugger. |
| // OBSOLETE Copyright 1988, 1990, 1991, 1992, 1993, 1995, 1999, 2000, 2001 |
| // OBSOLETE Free Software Foundation, Inc. |
| // 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 "regcache.h" |
| // OBSOLETE |
| // OBSOLETE #include <sys/types.h> |
| // OBSOLETE #include <sys/param.h> |
| // OBSOLETE #include <sys/dir.h> |
| // OBSOLETE #include <signal.h> |
| // OBSOLETE #include "gdbcore.h" |
| // OBSOLETE #include <sys/user.h> |
| // OBSOLETE |
| // OBSOLETE #ifndef USER /* added to support BCS ptrace_user */ |
| // OBSOLETE #define USER ptrace_user |
| // OBSOLETE #endif |
| // OBSOLETE #include <sys/ioctl.h> |
| // OBSOLETE #include <fcntl.h> |
| // OBSOLETE #include <sys/file.h> |
| // OBSOLETE #include "gdb_stat.h" |
| // OBSOLETE |
| // OBSOLETE #include "symtab.h" |
| // OBSOLETE #include "setjmp.h" |
| // OBSOLETE #include "value.h" |
| // OBSOLETE |
| // OBSOLETE #ifdef DELTA88 |
| // OBSOLETE #include <sys/ptrace.h> |
| // OBSOLETE |
| // OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */ |
| // OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.sig_sxip - (char *)&u) |
| // OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.sig_snip - (char *)&u) |
| // OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.sig_sfip - (char *)&u) |
| // OBSOLETE #else |
| // OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */ |
| // OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u) |
| // OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u) |
| // OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u) |
| // OBSOLETE #endif |
| // OBSOLETE |
| // OBSOLETE extern int have_symbol_file_p (); |
| // OBSOLETE |
| // OBSOLETE extern jmp_buf stack_jmp; |
| // OBSOLETE |
| // OBSOLETE extern int errno; |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE fetch_inferior_registers (int regno) |
| // OBSOLETE { |
| // OBSOLETE register unsigned int regaddr; |
| // OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; |
| // OBSOLETE register int i; |
| // OBSOLETE |
| // OBSOLETE struct USER u; |
| // OBSOLETE unsigned int offset; |
| // OBSOLETE |
| // OBSOLETE offset = (char *) &u.pt_r0 - (char *) &u; |
| // OBSOLETE regaddr = offset; /* byte offset to r0; */ |
| // OBSOLETE |
| // OBSOLETE /* offset = ptrace (3, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */ |
| // OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) |
| // OBSOLETE { |
| // OBSOLETE /*regaddr = register_addr (regno, offset); */ |
| // OBSOLETE /* 88k enhancement */ |
| // OBSOLETE |
| // OBSOLETE for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) |
| // OBSOLETE { |
| // OBSOLETE *(int *) &buf[i] = ptrace (3, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, 0); |
| // OBSOLETE regaddr += sizeof (int); |
| // OBSOLETE } |
| // OBSOLETE supply_register (regno, buf); |
| // OBSOLETE } |
| // OBSOLETE /* now load up registers 36 - 38; special pc registers */ |
| // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, 0); |
| // OBSOLETE supply_register (SXIP_REGNUM, buf); |
| // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, 0); |
| // OBSOLETE supply_register (SNIP_REGNUM, buf); |
| // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, 0); |
| // OBSOLETE supply_register (SFIP_REGNUM, buf); |
| // 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 register unsigned int regaddr; |
| // OBSOLETE char buf[80]; |
| // OBSOLETE |
| // OBSOLETE struct USER u; |
| // OBSOLETE |
| // OBSOLETE unsigned int offset = (char *) &u.pt_r0 - (char *) &u; |
| // OBSOLETE |
| // OBSOLETE regaddr = offset; |
| // OBSOLETE |
| // OBSOLETE /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either |
| // OBSOLETE svr3 doesn't run on an 88110, or the kernel isolates the different (not |
| // OBSOLETE completely sure this is true, but seems to be. */ |
| // OBSOLETE if (regno >= 0) |
| // OBSOLETE { |
| // OBSOLETE /* regaddr = register_addr (regno, offset); */ |
| // OBSOLETE if (regno < PC_REGNUM) |
| // OBSOLETE { |
| // OBSOLETE regaddr = offset + regno * sizeof (int); |
| // OBSOLETE errno = 0; |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); |
| // OBSOLETE if (errno != 0) |
| // OBSOLETE { |
| // OBSOLETE sprintf (buf, "writing register number %d", regno); |
| // OBSOLETE perror_with_name (buf); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE else if (regno == SXIP_REGNUM) |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno)); |
| // OBSOLETE else if (regno == SNIP_REGNUM) |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno)); |
| // OBSOLETE else if (regno == SFIP_REGNUM) |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (regno)); |
| // OBSOLETE else |
| // OBSOLETE printf_unfiltered ("Bad register number for store_inferior routine\n"); |
| // OBSOLETE } |
| // OBSOLETE else |
| // OBSOLETE { |
| // OBSOLETE for (regno = 0; regno < PC_REGNUM; regno++) |
| // OBSOLETE { |
| // OBSOLETE /* regaddr = register_addr (regno, offset); */ |
| // OBSOLETE errno = 0; |
| // OBSOLETE regaddr = offset + regno * sizeof (int); |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); |
| // OBSOLETE if (errno != 0) |
| // OBSOLETE { |
| // OBSOLETE sprintf (buf, "writing register number %d", regno); |
| // OBSOLETE perror_with_name (buf); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM)); |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM)); |
| // OBSOLETE ptrace (6, PIDGET (inferior_ptid), |
| // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM)); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE |
| // OBSOLETE /* blockend is the address of the end of the user structure */ |
| // OBSOLETE m88k_register_u_addr (int blockend, int regnum) |
| // OBSOLETE { |
| // OBSOLETE struct USER u; |
| // OBSOLETE int ustart = blockend - sizeof (struct USER); |
| // OBSOLETE switch (regnum) |
| // OBSOLETE { |
| // OBSOLETE case 0: |
| // OBSOLETE case 1: |
| // OBSOLETE case 2: |
| // OBSOLETE case 3: |
| // OBSOLETE case 4: |
| // OBSOLETE case 5: |
| // OBSOLETE case 6: |
| // OBSOLETE case 7: |
| // OBSOLETE case 8: |
| // OBSOLETE case 9: |
| // OBSOLETE case 10: |
| // OBSOLETE case 11: |
| // OBSOLETE case 12: |
| // OBSOLETE case 13: |
| // OBSOLETE case 14: |
| // OBSOLETE case 15: |
| // OBSOLETE case 16: |
| // OBSOLETE case 17: |
| // OBSOLETE case 18: |
| // OBSOLETE case 19: |
| // OBSOLETE case 20: |
| // OBSOLETE case 21: |
| // OBSOLETE case 22: |
| // OBSOLETE case 23: |
| // OBSOLETE case 24: |
| // OBSOLETE case 25: |
| // OBSOLETE case 26: |
| // OBSOLETE case 27: |
| // OBSOLETE case 28: |
| // OBSOLETE case 29: |
| // OBSOLETE case 30: |
| // OBSOLETE case 31: |
| // OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u) + REGISTER_SIZE * regnum); |
| // OBSOLETE case PSR_REGNUM: |
| // OBSOLETE return (ustart + ((int) &u.pt_psr - (int) &u)); |
| // OBSOLETE case FPSR_REGNUM: |
| // OBSOLETE return (ustart + ((int) &u.pt_fpsr - (int) &u)); |
| // OBSOLETE case FPCR_REGNUM: |
| // OBSOLETE return (ustart + ((int) &u.pt_fpcr - (int) &u)); |
| // OBSOLETE case SXIP_REGNUM: |
| // OBSOLETE return (ustart + SXIP_OFFSET); |
| // OBSOLETE case SNIP_REGNUM: |
| // OBSOLETE return (ustart + SNIP_OFFSET); |
| // OBSOLETE case SFIP_REGNUM: |
| // OBSOLETE return (ustart + SFIP_OFFSET); |
| // OBSOLETE default: |
| // OBSOLETE if (regnum < NUM_REGS) |
| // OBSOLETE /* The register is one of those which is not defined... |
| // OBSOLETE give it zero */ |
| // OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u)); |
| // OBSOLETE else |
| // OBSOLETE return (blockend + REGISTER_SIZE * regnum); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE #ifdef USE_PROC_FS |
| // OBSOLETE |
| // OBSOLETE #include <sys/procfs.h> |
| // OBSOLETE |
| // OBSOLETE /* Prototypes for supply_gregset etc. */ |
| // OBSOLETE #include "gregset.h" |
| // OBSOLETE |
| // OBSOLETE /* Given a pointer to a general register set in /proc format (gregset_t *), |
| // OBSOLETE unpack the register contents and supply them as gdb's idea of the current |
| // OBSOLETE register values. */ |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE supply_gregset (gregset_t *gregsetp) |
| // OBSOLETE { |
| // OBSOLETE register int regi; |
| // OBSOLETE register greg_t *regp = (greg_t *) gregsetp; |
| // OBSOLETE |
| // OBSOLETE for (regi = 0; regi <= SP_REGNUM; regi++) |
| // OBSOLETE supply_register (regi, (char *) (regp + regi)); |
| // OBSOLETE |
| // OBSOLETE supply_register (SXIP_REGNUM, (char *) (regp + R_XIP)); |
| // OBSOLETE supply_register (SNIP_REGNUM, (char *) (regp + R_NIP)); |
| // OBSOLETE supply_register (SFIP_REGNUM, (char *) (regp + R_FIP)); |
| // OBSOLETE supply_register (PSR_REGNUM, (char *) (regp + R_PSR)); |
| // OBSOLETE supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR)); |
| // OBSOLETE supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR)); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE fill_gregset (gregset_t *gregsetp, int regno) |
| // OBSOLETE { |
| // OBSOLETE int regi; |
| // OBSOLETE register greg_t *regp = (greg_t *) gregsetp; |
| // OBSOLETE |
| // OBSOLETE for (regi = 0; regi <= R_R31; regi++) |
| // OBSOLETE if ((regno == -1) || (regno == regi)) |
| // OBSOLETE *(regp + regi) = *(int *) ®isters[REGISTER_BYTE (regi)]; |
| // OBSOLETE |
| // OBSOLETE if ((regno == -1) || (regno == SXIP_REGNUM)) |
| // OBSOLETE *(regp + R_XIP) = *(int *) ®isters[REGISTER_BYTE (SXIP_REGNUM)]; |
| // OBSOLETE if ((regno == -1) || (regno == SNIP_REGNUM)) |
| // OBSOLETE *(regp + R_NIP) = *(int *) ®isters[REGISTER_BYTE (SNIP_REGNUM)]; |
| // OBSOLETE if ((regno == -1) || (regno == SFIP_REGNUM)) |
| // OBSOLETE *(regp + R_FIP) = *(int *) ®isters[REGISTER_BYTE (SFIP_REGNUM)]; |
| // OBSOLETE if ((regno == -1) || (regno == PSR_REGNUM)) |
| // OBSOLETE *(regp + R_PSR) = *(int *) ®isters[REGISTER_BYTE (PSR_REGNUM)]; |
| // OBSOLETE if ((regno == -1) || (regno == FPSR_REGNUM)) |
| // OBSOLETE *(regp + R_FPSR) = *(int *) ®isters[REGISTER_BYTE (FPSR_REGNUM)]; |
| // OBSOLETE if ((regno == -1) || (regno == FPCR_REGNUM)) |
| // OBSOLETE *(regp + R_FPCR) = *(int *) ®isters[REGISTER_BYTE (FPCR_REGNUM)]; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE #endif /* USE_PROC_FS */ |