projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | /* Machine independent variables that describe the core file under GDB. |
| 2 | Copyright 1986, 1987, 1989, 1990, 1992, 1995 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program 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 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program 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 this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 19 | ||
| 20 | /* Interface routines for core, executable, etc. */ | |
| 21 | ||
| 22 | #if !defined (GDBCORE_H) | |
| 23 | #define GDBCORE_H 1 | |
| 24 | ||
| 25 | #include "bfd.h" | |
| 26 | ||
| 27 | /* Return the name of the executable file as a string. | |
| 28 | ERR nonzero means get error if there is none specified; | |
| 29 | otherwise return 0 in that case. */ | |
| 30 | ||
| 31 | extern char *get_exec_file PARAMS ((int err)); | |
| 32 | ||
| 33 | /* Nonzero if there is a core file. */ | |
| 34 | ||
| 35 | extern int have_core_file_p PARAMS ((void)); | |
| 36 | ||
| 37 | /* Read "memory data" from whatever target or inferior we have. | |
| 38 | Returns zero if successful, errno value if not. EIO is used for | |
| 39 | address out of bounds. If breakpoints are inserted, returns shadow | |
| 40 | contents, not the breakpoints themselves. From breakpoint.c. */ | |
| 41 | ||
| 42 | extern int read_memory_nobpt PARAMS ((CORE_ADDR memaddr, char *myaddr, | |
| 43 | unsigned len)); | |
| 44 | ||
| 45 | /* Report a memory error with error(). */ | |
| 46 | ||
| 47 | extern void memory_error PARAMS ((int status, CORE_ADDR memaddr)); | |
| 48 | ||
| 49 | /* Like target_read_memory, but report an error if can't read. */ | |
| 50 | ||
| 51 | extern void read_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len)); | |
| 52 | ||
| 53 | extern void read_memory_section PARAMS ((CORE_ADDR memaddr, char *myaddr, | |
| 54 | int len, asection *bfd_section)); | |
| 55 | ||
| 56 | /* Read an integer from debugged memory, given address and number of | |
| 57 | bytes. */ | |
| 58 | ||
| 59 | extern LONGEST read_memory_integer PARAMS ((CORE_ADDR memaddr, int len)); | |
| 60 | ||
| 61 | /* Read an unsigned integer from debugged memory, given address and | |
| 62 | number of bytes. */ | |
| 63 | ||
| 64 | extern ULONGEST read_memory_unsigned_integer PARAMS ((CORE_ADDR memaddr, int len)); | |
| 65 | ||
| 66 | /* Read a null-terminated string from the debuggee's memory, given address, | |
| 67 | * a buffer into which to place the string, and the maximum available space */ | |
| 68 | extern void read_memory_string PARAMS ((CORE_ADDR, char *, int)); | |
| 69 | ||
| 70 | /* This takes a char *, not void *. This is probably right, because | |
| 71 | passing in an int * or whatever is wrong with respect to | |
| 72 | byteswapping, alignment, different sizes for host vs. target types, | |
| 73 | etc. */ | |
| 74 | ||
| 75 | extern void write_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len)); | |
| 76 | ||
| 77 | extern void generic_search PARAMS ((int len, char *data, char *mask, | |
| 78 | CORE_ADDR startaddr, int increment, | |
| 79 | CORE_ADDR lorange, CORE_ADDR hirange, | |
| 80 | CORE_ADDR *addr_found, char *data_found)); | |
| 81 | \f | |
| 82 | /* Hook for `exec_file_command' command to call. */ | |
| 83 | ||
| 84 | extern void (*exec_file_display_hook) PARAMS ((char *filename)); | |
| 85 | ||
| 86 | /* Hook for "file_command", which is more useful than above | |
| 87 | (because it is invoked AFTER symbols are read, not before) */ | |
| 88 | ||
| 89 | extern void (*file_changed_hook) PARAMS ((char *filename)); | |
| 90 | ||
| 91 | extern void specify_exec_file_hook PARAMS ((void (*hook) (char *filename))); | |
| 92 | ||
| 93 | /* Binary File Diddlers for the exec and core files */ | |
| 94 | ||
| 95 | extern bfd *core_bfd; | |
| 96 | extern bfd *exec_bfd; | |
| 97 | ||
| 98 | /* Whether to open exec and core files read-only or read-write. */ | |
| 99 | ||
| 100 | extern int write_files; | |
| 101 | ||
| 102 | extern void core_file_command PARAMS ((char *filename, int from_tty)); | |
| 103 | ||
| 104 | extern void exec_file_attach PARAMS ((char *filename, int from_tty)); | |
| 105 | ||
| 106 | extern void exec_file_command PARAMS ((char *filename, int from_tty)); | |
| 107 | ||
| 108 | extern void validate_files PARAMS ((void)); | |
| 109 | ||
| 110 | extern CORE_ADDR register_addr PARAMS ((int regno, CORE_ADDR blockend)); | |
| 111 | ||
| 112 | extern void registers_fetched PARAMS ((void)); | |
| 113 | ||
| 114 | #if !defined (KERNEL_U_ADDR) | |
| 115 | extern CORE_ADDR kernel_u_addr; | |
| 116 | #define KERNEL_U_ADDR kernel_u_addr | |
| 117 | #endif | |
| 118 | ||
| 119 | /* The target vector for core files. */ | |
| 120 | ||
| 121 | extern struct target_ops core_ops; | |
| 122 | ||
| 123 | /* The current default bfd target. */ | |
| 124 | ||
| 125 | extern char *gnutarget; | |
| 126 | ||
| 127 | extern void set_gnutarget PARAMS ((char *)); | |
| 128 | ||
| 129 | /* Structure to keep track of core register reading functions for | |
| 130 | various core file types. */ | |
| 131 | ||
| 132 | struct core_fns { | |
| 133 | ||
| 134 | /* BFD flavour that we handle. Note that bfd_target_unknown_flavour matches | |
| 135 | anything, and if there is no better match, this function will be called | |
| 136 | as the default. */ | |
| 137 | ||
| 138 | enum bfd_flavour core_flavour; | |
| 139 | ||
| 140 | /* Extract the register values out of the core file and store them where | |
| 141 | `read_register' will find them. | |
| 142 | ||
| 143 | CORE_REG_SECT points to the register values themselves, read into | |
| 144 | memory. | |
| 145 | ||
| 146 | CORE_REG_SIZE is the size of that area. | |
| 147 | ||
| 148 | WHICH says which set of registers we are handling (0 = int, 2 = float on | |
| 149 | machines where they are discontiguous). | |
| 150 | ||
| 151 | REG_ADDR is the offset from u.u_ar0 to the register values relative to | |
| 152 | core_reg_sect. This is used with old-fashioned core files to locate the | |
| 153 | registers in a large upage-plus-stack ".reg" section. Original upage | |
| 154 | address X is at location core_reg_sect+x+reg_addr. */ | |
| 155 | ||
| 156 | void (*core_read_registers) PARAMS ((char *core_reg_sect, unsigned core_reg_size, | |
| 157 | int which, CORE_ADDR reg_addr)); | |
| 158 | ||
| 159 | /* Finds the next struct core_fns. They are allocated and initialized | |
| 160 | in whatever module implements the functions pointed to; an | |
| 161 | initializer calls add_core_fns to add them to the global chain. */ | |
| 162 | ||
| 163 | struct core_fns *next; | |
| 164 | ||
| 165 | }; | |
| 166 | ||
| 167 | extern void add_core_fns PARAMS ((struct core_fns *cf)); | |
| 168 | ||
| 169 | #endif /* !defined (GDBCORE_H) */ |