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markom |
/* OBSOLETE /* Acorn Risc Machine host machine support. */
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/* OBSOLETE Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc. */
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/* OBSOLETE */
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/* OBSOLETE This file is part of GDB. */
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/* OBSOLETE */
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/* OBSOLETE This program is free software; you can redistribute it and/or modify */
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/* OBSOLETE it under the terms of the GNU General Public License as published by */
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/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
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/* OBSOLETE (at your option) any later version. */
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/* OBSOLETE */
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/* OBSOLETE This program is distributed in the hope that it will be useful, */
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/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* OBSOLETE GNU General Public License for more details. */
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/* OBSOLETE */
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/* OBSOLETE You should have received a copy of the GNU General Public License */
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/* OBSOLETE along with this program; if not, write to the Free Software */
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/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
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/* OBSOLETE Boston, MA 02111-1307, USA. *x/ */
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/* OBSOLETE */
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/* OBSOLETE #include "defs.h" */
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/* OBSOLETE #include "frame.h" */
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/* OBSOLETE #include "inferior.h" */
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/* OBSOLETE #include "opcode/arm.h" */
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/* OBSOLETE */
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/* OBSOLETE #include <sys/param.h> */
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/* OBSOLETE #include <sys/dir.h> */
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/* OBSOLETE #include <signal.h> */
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/* OBSOLETE #include <sys/ioctl.h> */
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/* OBSOLETE #include <sys/ptrace.h> */
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/* OBSOLETE #include <machine/reg.h> */
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/* OBSOLETE */
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/* OBSOLETE #define N_TXTADDR(hdr) 0x8000 */
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/* OBSOLETE #define N_DATADDR(hdr) (hdr.a_text + 0x8000) */
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/* OBSOLETE */
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/* OBSOLETE #include "gdbcore.h" */
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/* OBSOLETE */
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/* OBSOLETE #include <sys/user.h> /* After a.out.h *x/ */
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/* OBSOLETE #include <sys/file.h> */
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/* OBSOLETE #include "gdb_stat.h" */
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/* OBSOLETE */
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/* OBSOLETE #include <errno.h> */
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/* OBSOLETE */
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/* OBSOLETE void */
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/* OBSOLETE fetch_inferior_registers (regno) */
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/* OBSOLETE int regno; /* Original value discarded *x/ */
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/* OBSOLETE { */
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/* OBSOLETE register unsigned int regaddr; */
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/* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */
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/* OBSOLETE register int i; */
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/* OBSOLETE */
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/* OBSOLETE struct user u; */
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/* OBSOLETE unsigned int offset = (char *) &u.u_ar0 - (char *) &u; */
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/* OBSOLETE offset = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0) */
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/* OBSOLETE - KERNEL_U_ADDR; */
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/* OBSOLETE */
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/* OBSOLETE registers_fetched (); */
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/* OBSOLETE */
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/* OBSOLETE for (regno = 0; regno < 16; regno++) */
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/* OBSOLETE { */
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/* OBSOLETE regaddr = offset + regno * 4; */
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/* OBSOLETE *(int *) &buf[0] = ptrace (PT_READ_U, inferior_pid, */
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/* OBSOLETE (PTRACE_ARG3_TYPE) regaddr, 0); */
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/* OBSOLETE if (regno == PC_REGNUM) */
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/* OBSOLETE *(int *) &buf[0] = GET_PC_PART (*(int *) &buf[0]); */
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/* OBSOLETE supply_register (regno, buf); */
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/* OBSOLETE } */
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/* OBSOLETE *(int *) &buf[0] = ptrace (PT_READ_U, inferior_pid, */
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/* OBSOLETE (PTRACE_ARG3_TYPE) (offset + PC * 4), 0); */
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/* OBSOLETE supply_register (PS_REGNUM, buf); /* set virtual register ps same as pc *x/ */
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/* OBSOLETE */
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/* OBSOLETE /* read the floating point registers *x/ */
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/* OBSOLETE offset = (char *) &u.u_fp_regs - (char *) &u; */
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/* OBSOLETE *(int *) buf = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0); */
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/* OBSOLETE supply_register (FPS_REGNUM, buf); */
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/* OBSOLETE for (regno = 16; regno < 24; regno++) */
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/* OBSOLETE { */
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/* OBSOLETE regaddr = offset + 4 + 12 * (regno - 16); */
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/* OBSOLETE for (i = 0; i < 12; i += sizeof (int)) */
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/* OBSOLETE *(int *) &buf[i] = ptrace (PT_READ_U, inferior_pid, */
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/* OBSOLETE (PTRACE_ARG3_TYPE) (regaddr + i), 0); */
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/* OBSOLETE supply_register (regno, buf); */
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/* OBSOLETE } */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE /* Store our register values back into the inferior. */
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/* OBSOLETE If REGNO is -1, do this for all registers. */
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/* OBSOLETE Otherwise, REGNO specifies which register (so we can save time). *x/ */
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/* OBSOLETE */
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/* OBSOLETE void */
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/* OBSOLETE store_inferior_registers (regno) */
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/* OBSOLETE int regno; */
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/* OBSOLETE { */
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/* OBSOLETE register unsigned int regaddr; */
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/* OBSOLETE char buf[80]; */
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/* OBSOLETE */
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/* OBSOLETE struct user u; */
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/* OBSOLETE unsigned long value; */
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/* OBSOLETE unsigned int offset = (char *) &u.u_ar0 - (char *) &u; */
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/* OBSOLETE offset = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0) */
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/* OBSOLETE - KERNEL_U_ADDR; */
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/* OBSOLETE */
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/* OBSOLETE if (regno >= 0) */
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/* OBSOLETE { */
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/* OBSOLETE if (regno >= 16) */
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/* OBSOLETE return; */
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/* OBSOLETE regaddr = offset + 4 * regno; */
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/* OBSOLETE errno = 0; */
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/* OBSOLETE value = read_register (regno); */
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/* OBSOLETE if (regno == PC_REGNUM) */
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/* OBSOLETE value = SET_PC_PART (read_register (PS_REGNUM), value); */
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/* OBSOLETE ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, value); */
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/* OBSOLETE if (errno != 0) */
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/* OBSOLETE { */
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/* OBSOLETE sprintf (buf, "writing register number %d", regno); */
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/* OBSOLETE perror_with_name (buf); */
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/* OBSOLETE } */
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/* OBSOLETE } */
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/* OBSOLETE else */
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/* OBSOLETE for (regno = 0; regno < 15; regno++) */
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/* OBSOLETE { */
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/* OBSOLETE regaddr = offset + regno * 4; */
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/* OBSOLETE errno = 0; */
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/* OBSOLETE value = read_register (regno); */
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/* OBSOLETE if (regno == PC_REGNUM) */
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/* OBSOLETE value = SET_PC_PART (read_register (PS_REGNUM), value); */
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/* OBSOLETE ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, value); */
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/* OBSOLETE if (errno != 0) */
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/* OBSOLETE { */
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/* OBSOLETE sprintf (buf, "writing all regs, number %d", regno); */
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/* OBSOLETE perror_with_name (buf); */
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/* OBSOLETE } */
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/* OBSOLETE } */
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/* OBSOLETE } */
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| 135 |
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/* OBSOLETE */
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/* OBSOLETE /* Work with core dump and executable files, for GDB. */
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/* OBSOLETE This code would be in corefile.c if it weren't machine-dependent. *x/ */
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/* OBSOLETE */
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/* OBSOLETE /* Structure to describe the chain of shared libraries used */
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/* OBSOLETE by the execfile. */
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/* OBSOLETE e.g. prog shares Xt which shares X11 which shares c. *x/ */
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/* OBSOLETE */
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/* OBSOLETE struct shared_library */
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/* OBSOLETE { */
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/* OBSOLETE struct exec_header header; */
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/* OBSOLETE char name[SHLIBLEN]; */
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/* OBSOLETE CORE_ADDR text_start; /* CORE_ADDR of 1st byte of text, this file *x/ */
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/* OBSOLETE long data_offset; /* offset of data section in file *x/ */
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/* OBSOLETE int chan; /* file descriptor for the file *x/ */
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/* OBSOLETE struct shared_library *shares; /* library this one shares *x/ */
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/* OBSOLETE }; */
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/* OBSOLETE static struct shared_library *shlib = 0; */
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/* OBSOLETE */
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| 154 |
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/* OBSOLETE /* Hook for `exec_file_command' command to call. *x/ */
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/* OBSOLETE */
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/* OBSOLETE extern void (*exec_file_display_hook) (); */
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/* OBSOLETE */
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/* OBSOLETE static CORE_ADDR unshared_text_start; */
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/* OBSOLETE */
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/* OBSOLETE /* extended header from exec file (for shared library info) *x/ */
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/* OBSOLETE */
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/* OBSOLETE static struct exec_header exec_header; */
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/* OBSOLETE */
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/* OBSOLETE void */
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/* OBSOLETE core_file_command (filename, from_tty) */
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/* OBSOLETE char *filename; */
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/* OBSOLETE int from_tty; */
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/* OBSOLETE { */
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/* OBSOLETE int val; */
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| 170 |
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/* OBSOLETE */
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| 171 |
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/* OBSOLETE /* Discard all vestiges of any previous core file */
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/* OBSOLETE and mark data and stack spaces as empty. *x/ */
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/* OBSOLETE */
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/* OBSOLETE if (corefile) */
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/* OBSOLETE free (corefile); */
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/* OBSOLETE corefile = 0; */
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| 177 |
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/* OBSOLETE */
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| 178 |
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/* OBSOLETE if (corechan >= 0) */
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| 179 |
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/* OBSOLETE close (corechan); */
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/* OBSOLETE corechan = -1; */
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| 181 |
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/* OBSOLETE */
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| 182 |
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/* OBSOLETE data_start = 0; */
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/* OBSOLETE data_end = 0; */
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| 184 |
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/* OBSOLETE stack_start = STACK_END_ADDR; */
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| 185 |
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/* OBSOLETE stack_end = STACK_END_ADDR; */
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| 186 |
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/* OBSOLETE */
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| 187 |
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/* OBSOLETE /* Now, if a new core file was specified, open it and digest it. *x/ */
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| 188 |
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/* OBSOLETE */
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| 189 |
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/* OBSOLETE if (filename) */
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| 190 |
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/* OBSOLETE { */
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| 191 |
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/* OBSOLETE filename = tilde_expand (filename); */
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| 192 |
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/* OBSOLETE make_cleanup (free, filename); */
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| 193 |
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/* OBSOLETE */
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| 194 |
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/* OBSOLETE if (have_inferior_p ()) */
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| 195 |
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/* OBSOLETE error ("To look at a core file, you must kill the program with \"kill\"."); */
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/* OBSOLETE corechan = open (filename, O_RDONLY, 0); */
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| 197 |
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/* OBSOLETE if (corechan < 0) */
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| 198 |
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/* OBSOLETE perror_with_name (filename); */
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| 199 |
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/* OBSOLETE /* 4.2-style (and perhaps also sysV-style) core dump file. *x/ */
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| 200 |
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/* OBSOLETE { */
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| 201 |
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/* OBSOLETE struct user u; */
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| 202 |
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/* OBSOLETE */
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| 203 |
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/* OBSOLETE unsigned int reg_offset, fp_reg_offset; */
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| 204 |
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/* OBSOLETE */
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/* OBSOLETE val = myread (corechan, &u, sizeof u); */
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| 206 |
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/* OBSOLETE if (val < 0) */
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| 207 |
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/* OBSOLETE perror_with_name ("Not a core file: reading upage"); */
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| 208 |
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/* OBSOLETE if (val != sizeof u) */
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| 209 |
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/* OBSOLETE error ("Not a core file: could only read %d bytes", val); */
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| 210 |
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/* OBSOLETE */
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| 211 |
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/* OBSOLETE /* We are depending on exec_file_command having been called */
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| 212 |
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/* OBSOLETE previously to set exec_data_start. Since the executable */
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| 213 |
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/* OBSOLETE and the core file share the same text segment, the address */
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| 214 |
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/* OBSOLETE of the data segment will be the same in both. *x/ */
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| 215 |
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/* OBSOLETE data_start = exec_data_start; */
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| 216 |
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/* OBSOLETE */
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| 217 |
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/* OBSOLETE data_end = data_start + NBPG * u.u_dsize; */
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| 218 |
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/* OBSOLETE stack_start = stack_end - NBPG * u.u_ssize; */
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| 219 |
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/* OBSOLETE data_offset = NBPG * UPAGES; */
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| 220 |
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/* OBSOLETE stack_offset = NBPG * (UPAGES + u.u_dsize); */
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| 221 |
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/* OBSOLETE */
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| 222 |
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/* OBSOLETE /* Some machines put an absolute address in here and some put */
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| 223 |
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/* OBSOLETE the offset in the upage of the regs. *x/ */
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| 224 |
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/* OBSOLETE reg_offset = (int) u.u_ar0; */
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| 225 |
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/* OBSOLETE if (reg_offset > NBPG * UPAGES) */
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| 226 |
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/* OBSOLETE reg_offset -= KERNEL_U_ADDR; */
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| 227 |
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/* OBSOLETE fp_reg_offset = (char *) &u.u_fp_regs - (char *) &u; */
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| 228 |
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/* OBSOLETE */
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| 229 |
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/* OBSOLETE /* I don't know where to find this info. */
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| 230 |
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/* OBSOLETE So, for now, mark it as not available. *x/ */
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| 231 |
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/* OBSOLETE N_SET_MAGIC (core_aouthdr, 0); */
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| 232 |
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/* OBSOLETE */
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| 233 |
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/* OBSOLETE /* Read the register values out of the core file and store */
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| 234 |
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/* OBSOLETE them where `read_register' will find them. *x/ */
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| 235 |
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/* OBSOLETE */
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| 236 |
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/* OBSOLETE { */
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| 237 |
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/* OBSOLETE register int regno; */
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| 238 |
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/* OBSOLETE */
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| 239 |
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/* OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) */
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| 240 |
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/* OBSOLETE { */
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| 241 |
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/* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */
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| 242 |
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/* OBSOLETE */
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| 243 |
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/* OBSOLETE if (regno < 16) */
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| 244 |
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/* OBSOLETE val = lseek (corechan, reg_offset + 4 * regno, 0); */
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| 245 |
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/* OBSOLETE else if (regno < 24) */
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| 246 |
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/* OBSOLETE val = lseek (corechan, fp_reg_offset + 4 + 12 * (regno - 24), 0); */
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| 247 |
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/* OBSOLETE else if (regno == 24) */
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| 248 |
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/* OBSOLETE val = lseek (corechan, fp_reg_offset, 0); */
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| 249 |
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/* OBSOLETE else if (regno == 25) */
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| 250 |
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/* OBSOLETE val = lseek (corechan, reg_offset + 4 * PC, 0); */
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| 251 |
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/* OBSOLETE if (val < 0 */
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| 252 |
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/* OBSOLETE || (val = myread (corechan, buf, sizeof buf)) < 0) */
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| 253 |
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/* OBSOLETE { */
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| 254 |
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/* OBSOLETE char *buffer = (char *) alloca (strlen (REGISTER_NAME (regno)) */
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| 255 |
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/* OBSOLETE + 30); */
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| 256 |
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/* OBSOLETE strcpy (buffer, "Reading register "); */
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| 257 |
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/* OBSOLETE strcat (buffer, REGISTER_NAME (regno)); */
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| 258 |
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/* OBSOLETE */
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| 259 |
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/* OBSOLETE perror_with_name (buffer); */
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| 260 |
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/* OBSOLETE } */
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| 261 |
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/* OBSOLETE */
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| 262 |
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/* OBSOLETE if (regno == PC_REGNUM) */
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| 263 |
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/* OBSOLETE *(int *) buf = GET_PC_PART (*(int *) buf); */
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| 264 |
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/* OBSOLETE supply_register (regno, buf); */
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| 265 |
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/* OBSOLETE } */
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| 266 |
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/* OBSOLETE } */
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| 267 |
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/* OBSOLETE } */
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| 268 |
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|
/* OBSOLETE if (filename[0] == '/') */
|
| 269 |
|
|
/* OBSOLETE corefile = savestring (filename, strlen (filename)); */
|
| 270 |
|
|
/* OBSOLETE else */
|
| 271 |
|
|
/* OBSOLETE { */
|
| 272 |
|
|
/* OBSOLETE corefile = concat (current_directory, "/", filename, NULL); */
|
| 273 |
|
|
/* OBSOLETE } */
|
| 274 |
|
|
/* OBSOLETE */
|
| 275 |
|
|
/* OBSOLETE flush_cached_frames (); */
|
| 276 |
|
|
/* OBSOLETE select_frame (get_current_frame (), 0); */
|
| 277 |
|
|
/* OBSOLETE validate_files (); */
|
| 278 |
|
|
/* OBSOLETE } */
|
| 279 |
|
|
/* OBSOLETE else if (from_tty) */
|
| 280 |
|
|
/* OBSOLETE printf ("No core file now.\n"); */
|
| 281 |
|
|
/* OBSOLETE } */
|
| 282 |
|
|
/* OBSOLETE */
|
| 283 |
|
|
/* OBSOLETE #if 0 */
|
| 284 |
|
|
/* OBSOLETE /* Work with core dump and executable files, for GDB. */
|
| 285 |
|
|
/* OBSOLETE This code would be in corefile.c if it weren't machine-dependent. *x/ */
|
| 286 |
|
|
/* OBSOLETE */
|
| 287 |
|
|
/* OBSOLETE /* Structure to describe the chain of shared libraries used */
|
| 288 |
|
|
/* OBSOLETE by the execfile. */
|
| 289 |
|
|
/* OBSOLETE e.g. prog shares Xt which shares X11 which shares c. *x/ */
|
| 290 |
|
|
/* OBSOLETE */
|
| 291 |
|
|
/* OBSOLETE struct shared_library */
|
| 292 |
|
|
/* OBSOLETE { */
|
| 293 |
|
|
/* OBSOLETE struct exec_header header; */
|
| 294 |
|
|
/* OBSOLETE char name[SHLIBLEN]; */
|
| 295 |
|
|
/* OBSOLETE CORE_ADDR text_start; /* CORE_ADDR of 1st byte of text, this file *x/ */
|
| 296 |
|
|
/* OBSOLETE long data_offset; /* offset of data section in file *x/ */
|
| 297 |
|
|
/* OBSOLETE int chan; /* file descriptor for the file *x/ */
|
| 298 |
|
|
/* OBSOLETE struct shared_library *shares; /* library this one shares *x/ */
|
| 299 |
|
|
/* OBSOLETE }; */
|
| 300 |
|
|
/* OBSOLETE static struct shared_library *shlib = 0; */
|
| 301 |
|
|
/* OBSOLETE */
|
| 302 |
|
|
/* OBSOLETE /* Hook for `exec_file_command' command to call. *x/ */
|
| 303 |
|
|
/* OBSOLETE */
|
| 304 |
|
|
/* OBSOLETE extern void (*exec_file_display_hook) (); */
|
| 305 |
|
|
/* OBSOLETE */
|
| 306 |
|
|
/* OBSOLETE static CORE_ADDR unshared_text_start; */
|
| 307 |
|
|
/* OBSOLETE */
|
| 308 |
|
|
/* OBSOLETE /* extended header from exec file (for shared library info) *x/ */
|
| 309 |
|
|
/* OBSOLETE */
|
| 310 |
|
|
/* OBSOLETE static struct exec_header exec_header; */
|
| 311 |
|
|
/* OBSOLETE */
|
| 312 |
|
|
/* OBSOLETE void */
|
| 313 |
|
|
/* OBSOLETE exec_file_command (filename, from_tty) */
|
| 314 |
|
|
/* OBSOLETE char *filename; */
|
| 315 |
|
|
/* OBSOLETE int from_tty; */
|
| 316 |
|
|
/* OBSOLETE { */
|
| 317 |
|
|
/* OBSOLETE int val; */
|
| 318 |
|
|
/* OBSOLETE */
|
| 319 |
|
|
/* OBSOLETE /* Eliminate all traces of old exec file. */
|
| 320 |
|
|
/* OBSOLETE Mark text segment as empty. *x/ */
|
| 321 |
|
|
/* OBSOLETE */
|
| 322 |
|
|
/* OBSOLETE if (execfile) */
|
| 323 |
|
|
/* OBSOLETE free (execfile); */
|
| 324 |
|
|
/* OBSOLETE execfile = 0; */
|
| 325 |
|
|
/* OBSOLETE data_start = 0; */
|
| 326 |
|
|
/* OBSOLETE data_end -= exec_data_start; */
|
| 327 |
|
|
/* OBSOLETE text_start = 0; */
|
| 328 |
|
|
/* OBSOLETE unshared_text_start = 0; */
|
| 329 |
|
|
/* OBSOLETE text_end = 0; */
|
| 330 |
|
|
/* OBSOLETE exec_data_start = 0; */
|
| 331 |
|
|
/* OBSOLETE exec_data_end = 0; */
|
| 332 |
|
|
/* OBSOLETE if (execchan >= 0) */
|
| 333 |
|
|
/* OBSOLETE close (execchan); */
|
| 334 |
|
|
/* OBSOLETE execchan = -1; */
|
| 335 |
|
|
/* OBSOLETE if (shlib) */
|
| 336 |
|
|
/* OBSOLETE { */
|
| 337 |
|
|
/* OBSOLETE close_shared_library (shlib); */
|
| 338 |
|
|
/* OBSOLETE shlib = 0; */
|
| 339 |
|
|
/* OBSOLETE } */
|
| 340 |
|
|
/* OBSOLETE */
|
| 341 |
|
|
/* OBSOLETE /* Now open and digest the file the user requested, if any. *x/ */
|
| 342 |
|
|
/* OBSOLETE */
|
| 343 |
|
|
/* OBSOLETE if (filename) */
|
| 344 |
|
|
/* OBSOLETE { */
|
| 345 |
|
|
/* OBSOLETE filename = tilde_expand (filename); */
|
| 346 |
|
|
/* OBSOLETE make_cleanup (free, filename); */
|
| 347 |
|
|
/* OBSOLETE */
|
| 348 |
|
|
/* OBSOLETE execchan = openp (getenv ("PATH"), 1, filename, O_RDONLY, 0, */
|
| 349 |
|
|
/* OBSOLETE &execfile); */
|
| 350 |
|
|
/* OBSOLETE if (execchan < 0) */
|
| 351 |
|
|
/* OBSOLETE perror_with_name (filename); */
|
| 352 |
|
|
/* OBSOLETE */
|
| 353 |
|
|
/* OBSOLETE { */
|
| 354 |
|
|
/* OBSOLETE struct stat st_exec; */
|
| 355 |
|
|
/* OBSOLETE */
|
| 356 |
|
|
/* OBSOLETE #ifdef HEADER_SEEK_FD */
|
| 357 |
|
|
/* OBSOLETE HEADER_SEEK_FD (execchan); */
|
| 358 |
|
|
/* OBSOLETE #endif */
|
| 359 |
|
|
/* OBSOLETE */
|
| 360 |
|
|
/* OBSOLETE val = myread (execchan, &exec_header, sizeof exec_header); */
|
| 361 |
|
|
/* OBSOLETE exec_aouthdr = exec_header.a_exec; */
|
| 362 |
|
|
/* OBSOLETE */
|
| 363 |
|
|
/* OBSOLETE if (val < 0) */
|
| 364 |
|
|
/* OBSOLETE perror_with_name (filename); */
|
| 365 |
|
|
/* OBSOLETE */
|
| 366 |
|
|
/* OBSOLETE text_start = 0x8000; */
|
| 367 |
|
|
/* OBSOLETE */
|
| 368 |
|
|
/* OBSOLETE /* Look for shared library if needed *x/ */
|
| 369 |
|
|
/* OBSOLETE if (exec_header.a_exec.a_magic & MF_USES_SL) */
|
| 370 |
|
|
/* OBSOLETE shlib = open_shared_library (exec_header.a_shlibname, text_start); */
|
| 371 |
|
|
/* OBSOLETE */
|
| 372 |
|
|
/* OBSOLETE text_offset = N_TXTOFF (exec_aouthdr); */
|
| 373 |
|
|
/* OBSOLETE exec_data_offset = N_TXTOFF (exec_aouthdr) + exec_aouthdr.a_text; */
|
| 374 |
|
|
/* OBSOLETE */
|
| 375 |
|
|
/* OBSOLETE if (shlib) */
|
| 376 |
|
|
/* OBSOLETE { */
|
| 377 |
|
|
/* OBSOLETE unshared_text_start = shared_text_end (shlib) & ~0x7fff; */
|
| 378 |
|
|
/* OBSOLETE stack_start = shlib->header.a_exec.a_sldatabase; */
|
| 379 |
|
|
/* OBSOLETE stack_end = STACK_END_ADDR; */
|
| 380 |
|
|
/* OBSOLETE } */
|
| 381 |
|
|
/* OBSOLETE else */
|
| 382 |
|
|
/* OBSOLETE unshared_text_start = 0x8000; */
|
| 383 |
|
|
/* OBSOLETE text_end = unshared_text_start + exec_aouthdr.a_text; */
|
| 384 |
|
|
/* OBSOLETE */
|
| 385 |
|
|
/* OBSOLETE exec_data_start = unshared_text_start + exec_aouthdr.a_text; */
|
| 386 |
|
|
/* OBSOLETE exec_data_end = exec_data_start + exec_aouthdr.a_data; */
|
| 387 |
|
|
/* OBSOLETE */
|
| 388 |
|
|
/* OBSOLETE data_start = exec_data_start; */
|
| 389 |
|
|
/* OBSOLETE data_end += exec_data_start; */
|
| 390 |
|
|
/* OBSOLETE */
|
| 391 |
|
|
/* OBSOLETE fstat (execchan, &st_exec); */
|
| 392 |
|
|
/* OBSOLETE exec_mtime = st_exec.st_mtime; */
|
| 393 |
|
|
/* OBSOLETE } */
|
| 394 |
|
|
/* OBSOLETE */
|
| 395 |
|
|
/* OBSOLETE validate_files (); */
|
| 396 |
|
|
/* OBSOLETE } */
|
| 397 |
|
|
/* OBSOLETE else if (from_tty) */
|
| 398 |
|
|
/* OBSOLETE printf ("No executable file now.\n"); */
|
| 399 |
|
|
/* OBSOLETE */
|
| 400 |
|
|
/* OBSOLETE /* Tell display code (if any) about the changed file name. *x/ */
|
| 401 |
|
|
/* OBSOLETE if (exec_file_display_hook) */
|
| 402 |
|
|
/* OBSOLETE (*exec_file_display_hook) (filename); */
|
| 403 |
|
|
/* OBSOLETE } */
|
| 404 |
|
|
/* OBSOLETE #endif */
|
| 405 |
|
|
/* OBSOLETE */
|
| 406 |
|
|
/* OBSOLETE #if 0 */
|
| 407 |
|
|
/* OBSOLETE /* Read from the program's memory (except for inferior processes). */
|
| 408 |
|
|
/* OBSOLETE This function is misnamed, since it only reads, never writes; and */
|
| 409 |
|
|
/* OBSOLETE since it will use the core file and/or executable file as necessary. */
|
| 410 |
|
|
/* OBSOLETE */
|
| 411 |
|
|
/* OBSOLETE It should be extended to write as well as read, FIXME, for patching files. */
|
| 412 |
|
|
/* OBSOLETE */
|
| 413 |
|
|
/* OBSOLETE Return 0 if address could be read, EIO if addresss out of bounds. *x/ */
|
| 414 |
|
|
/* OBSOLETE */
|
| 415 |
|
|
/* OBSOLETE int */
|
| 416 |
|
|
/* OBSOLETE xfer_core_file (memaddr, myaddr, len) */
|
| 417 |
|
|
/* OBSOLETE CORE_ADDR memaddr; */
|
| 418 |
|
|
/* OBSOLETE char *myaddr; */
|
| 419 |
|
|
/* OBSOLETE int len; */
|
| 420 |
|
|
/* OBSOLETE { */
|
| 421 |
|
|
/* OBSOLETE register int i; */
|
| 422 |
|
|
/* OBSOLETE register int val; */
|
| 423 |
|
|
/* OBSOLETE int xferchan; */
|
| 424 |
|
|
/* OBSOLETE char **xferfile; */
|
| 425 |
|
|
/* OBSOLETE int fileptr; */
|
| 426 |
|
|
/* OBSOLETE int returnval = 0; */
|
| 427 |
|
|
/* OBSOLETE */
|
| 428 |
|
|
/* OBSOLETE while (len > 0) */
|
| 429 |
|
|
/* OBSOLETE { */
|
| 430 |
|
|
/* OBSOLETE xferfile = 0; */
|
| 431 |
|
|
/* OBSOLETE xferchan = 0; */
|
| 432 |
|
|
/* OBSOLETE */
|
| 433 |
|
|
/* OBSOLETE /* Determine which file the next bunch of addresses reside in, */
|
| 434 |
|
|
/* OBSOLETE and where in the file. Set the file's read/write pointer */
|
| 435 |
|
|
/* OBSOLETE to point at the proper place for the desired address */
|
| 436 |
|
|
/* OBSOLETE and set xferfile and xferchan for the correct file. */
|
| 437 |
|
|
/* OBSOLETE */
|
| 438 |
|
|
/* OBSOLETE If desired address is nonexistent, leave them zero. */
|
| 439 |
|
|
/* OBSOLETE */
|
| 440 |
|
|
/* OBSOLETE i is set to the number of bytes that can be handled */
|
| 441 |
|
|
/* OBSOLETE along with the next address. */
|
| 442 |
|
|
/* OBSOLETE */
|
| 443 |
|
|
/* OBSOLETE We put the most likely tests first for efficiency. *x/ */
|
| 444 |
|
|
/* OBSOLETE */
|
| 445 |
|
|
/* OBSOLETE /* Note that if there is no core file */
|
| 446 |
|
|
/* OBSOLETE data_start and data_end are equal. *x/ */
|
| 447 |
|
|
/* OBSOLETE if (memaddr >= data_start && memaddr < data_end) */
|
| 448 |
|
|
/* OBSOLETE { */
|
| 449 |
|
|
/* OBSOLETE i = min (len, data_end - memaddr); */
|
| 450 |
|
|
/* OBSOLETE fileptr = memaddr - data_start + data_offset; */
|
| 451 |
|
|
/* OBSOLETE xferfile = &corefile; */
|
| 452 |
|
|
/* OBSOLETE xferchan = corechan; */
|
| 453 |
|
|
/* OBSOLETE } */
|
| 454 |
|
|
/* OBSOLETE /* Note that if there is no core file */
|
| 455 |
|
|
/* OBSOLETE stack_start and stack_end define the shared library data. *x/ */
|
| 456 |
|
|
/* OBSOLETE else if (memaddr >= stack_start && memaddr < stack_end) */
|
| 457 |
|
|
/* OBSOLETE { */
|
| 458 |
|
|
/* OBSOLETE if (corechan < 0) */
|
| 459 |
|
|
/* OBSOLETE { */
|
| 460 |
|
|
/* OBSOLETE struct shared_library *lib; */
|
| 461 |
|
|
/* OBSOLETE for (lib = shlib; lib; lib = lib->shares) */
|
| 462 |
|
|
/* OBSOLETE if (memaddr >= lib->header.a_exec.a_sldatabase && */
|
| 463 |
|
|
/* OBSOLETE memaddr < lib->header.a_exec.a_sldatabase + */
|
| 464 |
|
|
/* OBSOLETE lib->header.a_exec.a_data) */
|
| 465 |
|
|
/* OBSOLETE break; */
|
| 466 |
|
|
/* OBSOLETE if (lib) */
|
| 467 |
|
|
/* OBSOLETE { */
|
| 468 |
|
|
/* OBSOLETE i = min (len, lib->header.a_exec.a_sldatabase + */
|
| 469 |
|
|
/* OBSOLETE lib->header.a_exec.a_data - memaddr); */
|
| 470 |
|
|
/* OBSOLETE fileptr = lib->data_offset + memaddr - */
|
| 471 |
|
|
/* OBSOLETE lib->header.a_exec.a_sldatabase; */
|
| 472 |
|
|
/* OBSOLETE xferfile = execfile; */
|
| 473 |
|
|
/* OBSOLETE xferchan = lib->chan; */
|
| 474 |
|
|
/* OBSOLETE } */
|
| 475 |
|
|
/* OBSOLETE } */
|
| 476 |
|
|
/* OBSOLETE else */
|
| 477 |
|
|
/* OBSOLETE { */
|
| 478 |
|
|
/* OBSOLETE i = min (len, stack_end - memaddr); */
|
| 479 |
|
|
/* OBSOLETE fileptr = memaddr - stack_start + stack_offset; */
|
| 480 |
|
|
/* OBSOLETE xferfile = &corefile; */
|
| 481 |
|
|
/* OBSOLETE xferchan = corechan; */
|
| 482 |
|
|
/* OBSOLETE } */
|
| 483 |
|
|
/* OBSOLETE } */
|
| 484 |
|
|
/* OBSOLETE else if (corechan < 0 */
|
| 485 |
|
|
/* OBSOLETE && memaddr >= exec_data_start && memaddr < exec_data_end) */
|
| 486 |
|
|
/* OBSOLETE { */
|
| 487 |
|
|
/* OBSOLETE i = min (len, exec_data_end - memaddr); */
|
| 488 |
|
|
/* OBSOLETE fileptr = memaddr - exec_data_start + exec_data_offset; */
|
| 489 |
|
|
/* OBSOLETE xferfile = &execfile; */
|
| 490 |
|
|
/* OBSOLETE xferchan = execchan; */
|
| 491 |
|
|
/* OBSOLETE } */
|
| 492 |
|
|
/* OBSOLETE else if (memaddr >= text_start && memaddr < text_end) */
|
| 493 |
|
|
/* OBSOLETE { */
|
| 494 |
|
|
/* OBSOLETE struct shared_library *lib; */
|
| 495 |
|
|
/* OBSOLETE for (lib = shlib; lib; lib = lib->shares) */
|
| 496 |
|
|
/* OBSOLETE if (memaddr >= lib->text_start && */
|
| 497 |
|
|
/* OBSOLETE memaddr < lib->text_start + lib->header.a_exec.a_text) */
|
| 498 |
|
|
/* OBSOLETE break; */
|
| 499 |
|
|
/* OBSOLETE if (lib) */
|
| 500 |
|
|
/* OBSOLETE { */
|
| 501 |
|
|
/* OBSOLETE i = min (len, lib->header.a_exec.a_text + */
|
| 502 |
|
|
/* OBSOLETE lib->text_start - memaddr); */
|
| 503 |
|
|
/* OBSOLETE fileptr = memaddr - lib->text_start + text_offset; */
|
| 504 |
|
|
/* OBSOLETE xferfile = &execfile; */
|
| 505 |
|
|
/* OBSOLETE xferchan = lib->chan; */
|
| 506 |
|
|
/* OBSOLETE } */
|
| 507 |
|
|
/* OBSOLETE else */
|
| 508 |
|
|
/* OBSOLETE { */
|
| 509 |
|
|
/* OBSOLETE i = min (len, text_end - memaddr); */
|
| 510 |
|
|
/* OBSOLETE fileptr = memaddr - unshared_text_start + text_offset; */
|
| 511 |
|
|
/* OBSOLETE xferfile = &execfile; */
|
| 512 |
|
|
/* OBSOLETE xferchan = execchan; */
|
| 513 |
|
|
/* OBSOLETE } */
|
| 514 |
|
|
/* OBSOLETE } */
|
| 515 |
|
|
/* OBSOLETE else if (memaddr < text_start) */
|
| 516 |
|
|
/* OBSOLETE { */
|
| 517 |
|
|
/* OBSOLETE i = min (len, text_start - memaddr); */
|
| 518 |
|
|
/* OBSOLETE } */
|
| 519 |
|
|
/* OBSOLETE else if (memaddr >= text_end */
|
| 520 |
|
|
/* OBSOLETE && memaddr < (corechan >= 0 ? data_start : exec_data_start)) */
|
| 521 |
|
|
/* OBSOLETE { */
|
| 522 |
|
|
/* OBSOLETE i = min (len, data_start - memaddr); */
|
| 523 |
|
|
/* OBSOLETE } */
|
| 524 |
|
|
/* OBSOLETE else if (corechan >= 0 */
|
| 525 |
|
|
/* OBSOLETE && memaddr >= data_end && memaddr < stack_start) */
|
| 526 |
|
|
/* OBSOLETE { */
|
| 527 |
|
|
/* OBSOLETE i = min (len, stack_start - memaddr); */
|
| 528 |
|
|
/* OBSOLETE } */
|
| 529 |
|
|
/* OBSOLETE else if (corechan < 0 && memaddr >= exec_data_end) */
|
| 530 |
|
|
/* OBSOLETE { */
|
| 531 |
|
|
/* OBSOLETE i = min (len, -memaddr); */
|
| 532 |
|
|
/* OBSOLETE } */
|
| 533 |
|
|
/* OBSOLETE else if (memaddr >= stack_end && stack_end != 0) */
|
| 534 |
|
|
/* OBSOLETE { */
|
| 535 |
|
|
/* OBSOLETE i = min (len, -memaddr); */
|
| 536 |
|
|
/* OBSOLETE } */
|
| 537 |
|
|
/* OBSOLETE else */
|
| 538 |
|
|
/* OBSOLETE { */
|
| 539 |
|
|
/* OBSOLETE /* Address did not classify into one of the known ranges. */
|
| 540 |
|
|
/* OBSOLETE This shouldn't happen; we catch the endpoints. *x/ */
|
| 541 |
|
|
/* OBSOLETE internal_error ("Bad case logic in xfer_core_file."); */
|
| 542 |
|
|
/* OBSOLETE } */
|
| 543 |
|
|
/* OBSOLETE */
|
| 544 |
|
|
/* OBSOLETE /* Now we know which file to use. */
|
| 545 |
|
|
/* OBSOLETE Set up its pointer and transfer the data. *x/ */
|
| 546 |
|
|
/* OBSOLETE if (xferfile) */
|
| 547 |
|
|
/* OBSOLETE { */
|
| 548 |
|
|
/* OBSOLETE if (*xferfile == 0) */
|
| 549 |
|
|
/* OBSOLETE if (xferfile == &execfile) */
|
| 550 |
|
|
/* OBSOLETE error ("No program file to examine."); */
|
| 551 |
|
|
/* OBSOLETE else */
|
| 552 |
|
|
/* OBSOLETE error ("No core dump file or running program to examine."); */
|
| 553 |
|
|
/* OBSOLETE val = lseek (xferchan, fileptr, 0); */
|
| 554 |
|
|
/* OBSOLETE if (val < 0) */
|
| 555 |
|
|
/* OBSOLETE perror_with_name (*xferfile); */
|
| 556 |
|
|
/* OBSOLETE val = myread (xferchan, myaddr, i); */
|
| 557 |
|
|
/* OBSOLETE if (val < 0) */
|
| 558 |
|
|
/* OBSOLETE perror_with_name (*xferfile); */
|
| 559 |
|
|
/* OBSOLETE } */
|
| 560 |
|
|
/* OBSOLETE /* If this address is for nonexistent memory, */
|
| 561 |
|
|
/* OBSOLETE read zeros if reading, or do nothing if writing. */
|
| 562 |
|
|
/* OBSOLETE Actually, we never right. *x/ */
|
| 563 |
|
|
/* OBSOLETE else */
|
| 564 |
|
|
/* OBSOLETE { */
|
| 565 |
|
|
/* OBSOLETE memset (myaddr, '\0', i); */
|
| 566 |
|
|
/* OBSOLETE returnval = EIO; */
|
| 567 |
|
|
/* OBSOLETE } */
|
| 568 |
|
|
/* OBSOLETE */
|
| 569 |
|
|
/* OBSOLETE memaddr += i; */
|
| 570 |
|
|
/* OBSOLETE myaddr += i; */
|
| 571 |
|
|
/* OBSOLETE len -= i; */
|
| 572 |
|
|
/* OBSOLETE } */
|
| 573 |
|
|
/* OBSOLETE return returnval; */
|
| 574 |
|
|
/* OBSOLETE } */
|
| 575 |
|
|
/* OBSOLETE #endif */
|
