| 1 | /* Machine independent variables that describe the core file under GDB. |
| 2 | Copyright (C) 1986, 1987, 1989, 1990 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | GDB is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 1, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GDB is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GDB; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | /* Interface routines for core, executable, etc. */ |
| 21 | |
| 22 | #include "bfd.h" /* Binary File Description */ |
| 23 | |
| 24 | /* Return the name of the executable file as a string. |
| 25 | ERR nonzero means get error if there is none specified; |
| 26 | otherwise return 0 in that case. */ |
| 27 | char *get_exec_file (); |
| 28 | |
| 29 | /* Nonzero if there is a core file. */ |
| 30 | int have_core_file_p (); |
| 31 | |
| 32 | /* Read "memory data" from whatever target or inferior we have. |
| 33 | Returns zero if successful, errno value if not. EIO is used |
| 34 | for address out of bounds. If breakpoints are inserted, returns |
| 35 | shadow contents, not the breakpoints themselves. From breakpoint.c. */ |
| 36 | int read_memory_nobpt (); |
| 37 | |
| 38 | /* Report a memory error with error(). */ |
| 39 | |
| 40 | void memory_error (); |
| 41 | |
| 42 | /* Like target_read_memory, but report an error if can't read. */ |
| 43 | void read_memory (); |
| 44 | |
| 45 | /* Read an integer from debugged memory, given address and number of bytes. */ |
| 46 | long read_memory_integer (); |
| 47 | |
| 48 | void write_memory ( |
| 49 | #ifdef __STDC__ |
| 50 | CORE_ADDR, char *, int |
| 51 | #endif |
| 52 | ); |
| 53 | |
| 54 | /* Hook for `exec_file_command' command to call. */ |
| 55 | |
| 56 | extern void (*exec_file_display_hook) (); |
| 57 | |
| 58 | /* Binary File Diddlers for the exec and core files */ |
| 59 | extern bfd *core_bfd; |
| 60 | extern bfd *exec_bfd; |
| 61 | |
| 62 | void core_file_command (); |
| 63 | void exec_file_command (); |
| 64 | void validate_files (); |
| 65 | unsigned int register_addr (); |
| 66 | int xfer_core_file (); |
| 67 | void fetch_core_registers (); |
| 68 | void registers_fetched (); |
| 69 | |
| 70 | #if !defined (KERNEL_U_ADDR) |
| 71 | extern CORE_ADDR kernel_u_addr; |
| 72 | #define KERNEL_U_ADDR kernel_u_addr |
| 73 | #endif |
| 74 | |
| 75 | /* Struct section_table maps address ranges to file sections. It is |
| 76 | mostly used with BFD files, but can be used without (e.g. for handling |
| 77 | raw disks, or files not in formats handled by BFD). */ |
| 78 | |
| 79 | struct section_table { |
| 80 | CORE_ADDR addr; /* Lowest address in section */ |
| 81 | CORE_ADDR endaddr; /* 1+highest address in section */ |
| 82 | sec_ptr sec_ptr; /* BFD section pointer */ |
| 83 | }; |
| 84 | |
| 85 | /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR. |
| 86 | Returns 0 if OK, 1 on error. */ |
| 87 | |
| 88 | int build_section_table (); |