diff options
Diffstat (limited to 'gdb/ultra3-nat.c')
| -rw-r--r-- | gdb/ultra3-nat.c | 330 |
1 files changed, 183 insertions, 147 deletions
diff --git a/gdb/ultra3-nat.c b/gdb/ultra3-nat.c index 2b84cdd..de8e33b 100644 --- a/gdb/ultra3-nat.c +++ b/gdb/ultra3-nat.c @@ -2,21 +2,22 @@ Copyright (C) 1988, 1989, 1991, 1992 Free Software Foundation, Inc. Contributed by David Wood (wood@nyu.edu) at New York University. -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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */ #define DEBUG #include "defs.h" @@ -29,7 +30,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <sys/param.h> #include <signal.h> #include <sys/ioctl.h> -#include <fcntl.h> +#include <fcntl.h> #include "gdbcore.h" @@ -50,7 +51,7 @@ static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR)); #define ULTRA3 #if !defined (offsetof) -# define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) +#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) #endif extern int errno; @@ -64,65 +65,74 @@ struct ptrace_user pt_struct; void fetch_inferior_registers (regno) - int regno; + int regno; { - register int i,j,ret_val=0; + register int i, j, ret_val = 0; char buf[128]; - if (regno != -1) { - fetch_register (regno); - return; - } + if (regno != -1) + { + fetch_register (regno); + return; + } /* Global Registers */ #ifdef ULTRA3 errno = 0; ptrace (PT_READ_STRUCT, inferior_pid, - (PTRACE_ARG3_TYPE) register_addr(GR96_REGNUM,0), - (int)&pt_struct.pt_gr[0], 32*4); - if (errno != 0) { + (PTRACE_ARG3_TYPE) register_addr (GR96_REGNUM, 0), + (int) &pt_struct.pt_gr[0], 32 * 4); + if (errno != 0) + { perror_with_name ("reading global registers"); ret_val = -1; - } else for (regno=GR96_REGNUM, j=0 ; j<32 ; regno++, j++) { - supply_register (regno, &pt_struct.pt_gr[j]); - } + } + else + for (regno = GR96_REGNUM, j = 0; j < 32; regno++, j++) + { + supply_register (regno, &pt_struct.pt_gr[j]); + } #else - for (regno=GR96_REGNUM ; !ret_val && regno < GR96_REGNUM+32 ; regno++) - fetch_register(regno); + for (regno = GR96_REGNUM; !ret_val && regno < GR96_REGNUM + 32; regno++) + fetch_register (regno); #endif /* Local Registers */ #ifdef ULTRA3 errno = 0; ptrace (PT_READ_STRUCT, inferior_pid, - (PTRACE_ARG3_TYPE) register_addr(LR0_REGNUM,0), - (int)&pt_struct.pt_lr[0], 128*4); - if (errno != 0) { + (PTRACE_ARG3_TYPE) register_addr (LR0_REGNUM, 0), + (int) &pt_struct.pt_lr[0], 128 * 4); + if (errno != 0) + { perror_with_name ("reading local registers"); ret_val = -1; - } else for (regno=LR0_REGNUM, j=0 ; j<128 ; regno++, j++) { - supply_register (regno, &pt_struct.pt_lr[j]); - } + } + else + for (regno = LR0_REGNUM, j = 0; j < 128; regno++, j++) + { + supply_register (regno, &pt_struct.pt_lr[j]); + } #else - for (regno=LR0_REGNUM ; !ret_val && regno < LR0_REGNUM+128 ; regno++) - fetch_register(regno); + for (regno = LR0_REGNUM; !ret_val && regno < LR0_REGNUM + 128; regno++) + fetch_register (regno); #endif /* Special Registers */ - fetch_register(GR1_REGNUM); - fetch_register(CPS_REGNUM); - fetch_register(PC_REGNUM); - fetch_register(NPC_REGNUM); - fetch_register(PC2_REGNUM); - fetch_register(IPC_REGNUM); - fetch_register(IPA_REGNUM); - fetch_register(IPB_REGNUM); - fetch_register(Q_REGNUM); - fetch_register(BP_REGNUM); - fetch_register(FC_REGNUM); - -/* Fake any registers that are in REGISTER_NAMES, but not available to gdb */ - registers_fetched(); + fetch_register (GR1_REGNUM); + fetch_register (CPS_REGNUM); + fetch_register (PC_REGNUM); + fetch_register (NPC_REGNUM); + fetch_register (PC2_REGNUM); + fetch_register (IPC_REGNUM); + fetch_register (IPA_REGNUM); + fetch_register (IPB_REGNUM); + fetch_register (Q_REGNUM); + fetch_register (BP_REGNUM); + fetch_register (FC_REGNUM); + +/* Fake any registers that are in REGISTER_NAMES, but not available to gdb */ + registers_fetched (); } /* Store our register values back into the inferior. @@ -140,12 +150,12 @@ store_inferior_registers (regno) if (regno >= 0) { - if (CANNOT_STORE_REGISTER(regno)) + if (CANNOT_STORE_REGISTER (regno)) return; regaddr = register_addr (regno, 0); errno = 0; ptrace (PT_WRITE_U, inferior_pid, - (PTRACE_ARG3_TYPE) regaddr, read_register(regno)); + (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); if (errno != 0) { sprintf (buf, "writing register %s (#%d)", REGISTER_NAME (regno), regno); @@ -155,57 +165,57 @@ store_inferior_registers (regno) else { #ifdef ULTRA3 - pt_struct.pt_gr1 = read_register(GR1_REGNUM); - for (regno = GR96_REGNUM; regno < GR96_REGNUM+32; regno++) - pt_struct.pt_gr[regno] = read_register(regno); - for (regno = LR0_REGNUM; regno < LR0_REGNUM+128; regno++) - pt_struct.pt_gr[regno] = read_register(regno); + pt_struct.pt_gr1 = read_register (GR1_REGNUM); + for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) + pt_struct.pt_gr[regno] = read_register (regno); + for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) + pt_struct.pt_gr[regno] = read_register (regno); errno = 0; ptrace (PT_WRITE_STRUCT, inferior_pid, - (PTRACE_ARG3_TYPE) register_addr(GR1_REGNUM,0), - (int)&pt_struct.pt_gr1,(1*32*128)*4); + (PTRACE_ARG3_TYPE) register_addr (GR1_REGNUM, 0), + (int) &pt_struct.pt_gr1, (1 * 32 * 128) * 4); if (errno != 0) { - sprintf (buf, "writing all local/global registers"); - perror_with_name (buf); + sprintf (buf, "writing all local/global registers"); + perror_with_name (buf); } - pt_struct.pt_psr = read_register(CPS_REGNUM); - pt_struct.pt_pc0 = read_register(NPC_REGNUM); - pt_struct.pt_pc1 = read_register(PC_REGNUM); - pt_struct.pt_pc2 = read_register(PC2_REGNUM); - pt_struct.pt_ipc = read_register(IPC_REGNUM); - pt_struct.pt_ipa = read_register(IPA_REGNUM); - pt_struct.pt_ipb = read_register(IPB_REGNUM); - pt_struct.pt_q = read_register(Q_REGNUM); - pt_struct.pt_bp = read_register(BP_REGNUM); - pt_struct.pt_fc = read_register(FC_REGNUM); + pt_struct.pt_psr = read_register (CPS_REGNUM); + pt_struct.pt_pc0 = read_register (NPC_REGNUM); + pt_struct.pt_pc1 = read_register (PC_REGNUM); + pt_struct.pt_pc2 = read_register (PC2_REGNUM); + pt_struct.pt_ipc = read_register (IPC_REGNUM); + pt_struct.pt_ipa = read_register (IPA_REGNUM); + pt_struct.pt_ipb = read_register (IPB_REGNUM); + pt_struct.pt_q = read_register (Q_REGNUM); + pt_struct.pt_bp = read_register (BP_REGNUM); + pt_struct.pt_fc = read_register (FC_REGNUM); errno = 0; ptrace (PT_WRITE_STRUCT, inferior_pid, - (PTRACE_ARG3_TYPE) register_addr(CPS_REGNUM,0), - (int)&pt_struct.pt_psr,(10)*4); + (PTRACE_ARG3_TYPE) register_addr (CPS_REGNUM, 0), + (int) &pt_struct.pt_psr, (10) * 4); if (errno != 0) { - sprintf (buf, "writing all special registers"); - perror_with_name (buf); - return; + sprintf (buf, "writing all special registers"); + perror_with_name (buf); + return; } #else - store_inferior_registers(GR1_REGNUM); - for (regno=GR96_REGNUM ; regno<GR96_REGNUM+32 ; regno++) - store_inferior_registers(regno); - for (regno=LR0_REGNUM ; regno<LR0_REGNUM+128 ; regno++) - store_inferior_registers(regno); - store_inferior_registers(CPS_REGNUM); - store_inferior_registers(PC_REGNUM); - store_inferior_registers(NPC_REGNUM); - store_inferior_registers(PC2_REGNUM); - store_inferior_registers(IPC_REGNUM); - store_inferior_registers(IPA_REGNUM); - store_inferior_registers(IPB_REGNUM); - store_inferior_registers(Q_REGNUM); - store_inferior_registers(BP_REGNUM); - store_inferior_registers(FC_REGNUM); -#endif /* ULTRA3 */ + store_inferior_registers (GR1_REGNUM); + for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) + store_inferior_registers (regno); + for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) + store_inferior_registers (regno); + store_inferior_registers (CPS_REGNUM); + store_inferior_registers (PC_REGNUM); + store_inferior_registers (NPC_REGNUM); + store_inferior_registers (PC2_REGNUM); + store_inferior_registers (IPC_REGNUM); + store_inferior_registers (IPA_REGNUM); + store_inferior_registers (IPB_REGNUM); + store_inferior_registers (Q_REGNUM); + store_inferior_registers (BP_REGNUM); + store_inferior_registers (FC_REGNUM); +#endif /* ULTRA3 */ } } @@ -219,22 +229,28 @@ fetch_register (regno) int regno; { char buf[128]; - int val; - - if (CANNOT_FETCH_REGISTER(regno)) { - val = -1; - supply_register (regno, &val); - } else { - errno = 0; - val = ptrace (PT_READ_U, inferior_pid, - (PTRACE_ARG3_TYPE) register_addr(regno,0), 0); - if (errno != 0) { - sprintf(buf,"reading register %s (#%d)",REGISTER_NAME (regno), regno); - perror_with_name (buf); - } else { + int val; + + if (CANNOT_FETCH_REGISTER (regno)) + { + val = -1; supply_register (regno, &val); } - } + else + { + errno = 0; + val = ptrace (PT_READ_U, inferior_pid, + (PTRACE_ARG3_TYPE) register_addr (regno, 0), 0); + if (errno != 0) + { + sprintf (buf, "reading register %s (#%d)", REGISTER_NAME (regno), regno); + perror_with_name (buf); + } + else + { + supply_register (regno, &val); + } + } } @@ -251,24 +267,27 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) CORE_ADDR reg_addr; /* Unused in this version */ { register int regno; - int val; - char buf[4]; - - for (regno = 0 ; regno < NUM_REGS; regno++) { - if (!CANNOT_FETCH_REGISTER(regno)) { - val = bfd_seek (core_bfd, (file_ptr) register_addr (regno, 0), SEEK_SET); - if (val < 0 || (val = bfd_read (buf, sizeof buf, 1, core_bfd)) < 0) { - char * buffer = (char *) alloca (strlen (REGISTER_NAME (regno)) + 35); - strcpy (buffer, "Reading core register "); - strcat (buffer, REGISTER_NAME (regno)); - perror_with_name (buffer); - } - supply_register (regno, buf); + int val; + char buf[4]; + + for (regno = 0; regno < NUM_REGS; regno++) + { + if (!CANNOT_FETCH_REGISTER (regno)) + { + val = bfd_seek (core_bfd, (file_ptr) register_addr (regno, 0), SEEK_SET); + if (val < 0 || (val = bfd_read (buf, sizeof buf, 1, core_bfd)) < 0) + { + char *buffer = (char *) alloca (strlen (REGISTER_NAME (regno)) + 35); + strcpy (buffer, "Reading core register "); + strcat (buffer, REGISTER_NAME (regno)); + perror_with_name (buffer); + } + supply_register (regno, buf); + } } - } - /* Fake any registers that are in REGISTER_NAMES, but not available to gdb */ - registers_fetched(); + /* Fake any registers that are in REGISTER_NAMES, but not available to gdb */ + registers_fetched (); } @@ -282,36 +301,53 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) * will cause ptrace() to fail is returned. */ CORE_ADDR -register_addr (regno,blockend) - int regno; - CORE_ADDR blockend; +register_addr (regno, blockend) + int regno; + CORE_ADDR blockend; { - if ((regno >= LR0_REGNUM) && (regno < LR0_REGNUM + 128)) { - return(offsetof(struct ptrace_user,pt_lr[regno-LR0_REGNUM])); - } else if ((regno >= GR96_REGNUM) && (regno < GR96_REGNUM + 32)) { - return(offsetof(struct ptrace_user,pt_gr[regno-GR96_REGNUM])); - } else { - switch (regno) { - case GR1_REGNUM: return(offsetof(struct ptrace_user,pt_gr1)); - case CPS_REGNUM: return(offsetof(struct ptrace_user,pt_psr)); - case NPC_REGNUM: return(offsetof(struct ptrace_user,pt_pc0)); - case PC_REGNUM: return(offsetof(struct ptrace_user,pt_pc1)); - case PC2_REGNUM: return(offsetof(struct ptrace_user,pt_pc2)); - case IPC_REGNUM: return(offsetof(struct ptrace_user,pt_ipc)); - case IPA_REGNUM: return(offsetof(struct ptrace_user,pt_ipa)); - case IPB_REGNUM: return(offsetof(struct ptrace_user,pt_ipb)); - case Q_REGNUM: return(offsetof(struct ptrace_user,pt_q)); - case BP_REGNUM: return(offsetof(struct ptrace_user,pt_bp)); - case FC_REGNUM: return(offsetof(struct ptrace_user,pt_fc)); + if ((regno >= LR0_REGNUM) && (regno < LR0_REGNUM + 128)) + { + return (offsetof (struct ptrace_user, pt_lr[regno - LR0_REGNUM])); + } + else if ((regno >= GR96_REGNUM) && (regno < GR96_REGNUM + 32)) + { + return (offsetof (struct ptrace_user, pt_gr[regno - GR96_REGNUM])); + } + else + { + switch (regno) + { + case GR1_REGNUM: + return (offsetof (struct ptrace_user, pt_gr1)); + case CPS_REGNUM: + return (offsetof (struct ptrace_user, pt_psr)); + case NPC_REGNUM: + return (offsetof (struct ptrace_user, pt_pc0)); + case PC_REGNUM: + return (offsetof (struct ptrace_user, pt_pc1)); + case PC2_REGNUM: + return (offsetof (struct ptrace_user, pt_pc2)); + case IPC_REGNUM: + return (offsetof (struct ptrace_user, pt_ipc)); + case IPA_REGNUM: + return (offsetof (struct ptrace_user, pt_ipa)); + case IPB_REGNUM: + return (offsetof (struct ptrace_user, pt_ipb)); + case Q_REGNUM: + return (offsetof (struct ptrace_user, pt_q)); + case BP_REGNUM: + return (offsetof (struct ptrace_user, pt_bp)); + case FC_REGNUM: + return (offsetof (struct ptrace_user, pt_fc)); default: - fprintf_filtered(gdb_stderr,"register_addr():Bad register %s (%d)\n", - REGISTER_NAME (regno), regno); - return(0xffffffff); /* Should make ptrace() fail */ + fprintf_filtered (gdb_stderr, "register_addr():Bad register %s (%d)\n", + REGISTER_NAME (regno), regno); + return (0xffffffff); /* Should make ptrace() fail */ + } } - } } - + /* Register that we are able to handle ultra3 core file formats. FIXME: is this really bfd_target_unknown_flavour? */ |