| 1 | /* Work with executable files, for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2003-2015 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #ifndef EXEC_H |
| 21 | #define EXEC_H |
| 22 | |
| 23 | #include "target.h" |
| 24 | #include "progspace.h" |
| 25 | #include "memrange.h" |
| 26 | |
| 27 | struct target_section; |
| 28 | struct target_ops; |
| 29 | struct bfd; |
| 30 | struct objfile; |
| 31 | |
| 32 | #define exec_bfd current_program_space->ebfd |
| 33 | #define exec_bfd_mtime current_program_space->ebfd_mtime |
| 34 | #define exec_filename current_program_space->pspace_exec_filename |
| 35 | |
| 36 | /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR. |
| 37 | Returns 0 if OK, 1 on error. */ |
| 38 | |
| 39 | extern int build_section_table (struct bfd *, struct target_section **, |
| 40 | struct target_section **); |
| 41 | |
| 42 | /* Remove all entries from TABLE. */ |
| 43 | |
| 44 | extern void clear_section_table (struct target_section_table *table); |
| 45 | |
| 46 | /* Read from mappable read-only sections of BFD executable files. |
| 47 | Return TARGET_XFER_OK, if read is successful. Return |
| 48 | TARGET_XFER_EOF if read is done. Return TARGET_XFER_E_IO |
| 49 | otherwise. */ |
| 50 | |
| 51 | extern enum target_xfer_status |
| 52 | exec_read_partial_read_only (gdb_byte *readbuf, ULONGEST offset, |
| 53 | ULONGEST len, ULONGEST *xfered_len); |
| 54 | |
| 55 | /* Read or write from mappable sections of BFD executable files. |
| 56 | |
| 57 | Request to transfer up to LEN 8-bit bytes of the target sections |
| 58 | defined by SECTIONS and SECTIONS_END. The OFFSET specifies the |
| 59 | starting address. |
| 60 | If SECTION_NAME is not NULL, only access sections with that same |
| 61 | name. |
| 62 | |
| 63 | Return the number of bytes actually transfered, or zero when no |
| 64 | data is available for the requested range. |
| 65 | |
| 66 | This function is intended to be used from target_xfer_partial |
| 67 | implementations. See target_read and target_write for more |
| 68 | information. |
| 69 | |
| 70 | One, and only one, of readbuf or writebuf must be non-NULL. */ |
| 71 | |
| 72 | extern enum target_xfer_status |
| 73 | section_table_xfer_memory_partial (gdb_byte *, |
| 74 | const gdb_byte *, |
| 75 | ULONGEST, ULONGEST, ULONGEST *, |
| 76 | struct target_section *, |
| 77 | struct target_section *, |
| 78 | const char *); |
| 79 | |
| 80 | /* Read from mappable read-only sections of BFD executable files. |
| 81 | Similar to exec_read_partial_read_only, but return |
| 82 | TARGET_XFER_UNAVAILABLE if data is unavailable. */ |
| 83 | |
| 84 | extern enum target_xfer_status |
| 85 | section_table_read_available_memory (gdb_byte *readbuf, ULONGEST offset, |
| 86 | ULONGEST len, ULONGEST *xfered_len); |
| 87 | |
| 88 | /* Set the loaded address of a section. */ |
| 89 | extern void exec_set_section_address (const char *, int, CORE_ADDR); |
| 90 | |
| 91 | /* Remove all target sections owned by OWNER. */ |
| 92 | |
| 93 | extern void remove_target_sections (void *owner); |
| 94 | |
| 95 | /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the |
| 96 | current set of target sections. */ |
| 97 | |
| 98 | extern void add_target_sections (void *owner, |
| 99 | struct target_section *sections, |
| 100 | struct target_section *sections_end); |
| 101 | |
| 102 | /* Add the sections of OBJFILE to the current set of target sections. |
| 103 | * OBJFILE owns the new target sections. */ |
| 104 | |
| 105 | extern void add_target_sections_of_objfile (struct objfile *objfile); |
| 106 | |
| 107 | /* Prints info about all sections defined in the TABLE. ABFD is |
| 108 | special cased --- it's filename is omitted; if it is the executable |
| 109 | file, its entry point is printed. */ |
| 110 | |
| 111 | extern void print_section_info (struct target_section_table *table, |
| 112 | bfd *abfd); |
| 113 | |
| 114 | extern void exec_close (void); |
| 115 | |
| 116 | #endif |