// 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 */