1 /* Work with executable files, for GDB, the GNU debugger. 2 3 Copyright (C) 2003-2013 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 31 extern struct target_ops exec_ops; 32 33 #define exec_bfd current_program_space->ebfd 34 #define exec_bfd_mtime current_program_space->ebfd_mtime 35 #define exec_filename current_program_space->pspace_exec_filename 36 37 /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR. 38 Returns 0 if OK, 1 on error. */ 39 40 extern int build_section_table (struct bfd *, struct target_section **, 41 struct target_section **); 42 43 /* Resize the section table held by TABLE, by NUM_ADDED. Returns the 44 old size. */ 45 46 extern int resize_section_table (struct target_section_table *, int); 47 48 /* Appends all read-only memory ranges found in the target section 49 table defined by SECTIONS and SECTIONS_END, starting at (and 50 intersected with) MEMADDR for LEN bytes. Returns the augmented 51 VEC. */ 52 53 extern VEC(mem_range_s) * 54 section_table_available_memory (VEC(mem_range_s) *ranges, 55 CORE_ADDR memaddr, ULONGEST len, 56 struct target_section *sections, 57 struct target_section *sections_end); 58 59 /* Read or write from mappable sections of BFD executable files. 60 61 Request to transfer up to LEN 8-bit bytes of the target sections 62 defined by SECTIONS and SECTIONS_END. The OFFSET specifies the 63 starting address. 64 If SECTION_NAME is not NULL, only access sections with that same 65 name. 66 67 Return the number of bytes actually transfered, or zero when no 68 data is available for the requested range. 69 70 This function is intended to be used from target_xfer_partial 71 implementations. See target_read and target_write for more 72 information. 73 74 One, and only one, of readbuf or writebuf must be non-NULL. */ 75 76 extern int section_table_xfer_memory_partial (gdb_byte *, const gdb_byte *, 77 ULONGEST, LONGEST, 78 struct target_section *, 79 struct target_section *, 80 const char *); 81 82 /* Set the loaded address of a section. */ 83 extern void exec_set_section_address (const char *, int, CORE_ADDR); 84 85 /* Remove all target sections taken from ABFD. */ 86 87 extern void remove_target_sections (void *key, bfd *abfd); 88 89 /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the 90 current set of target sections. */ 91 92 extern void add_target_sections (void *key, 93 struct target_section *sections, 94 struct target_section *sections_end); 95 96 /* Prints info about all sections defined in the TABLE. ABFD is 97 special cased --- it's filename is omitted; if it is the executable 98 file, its entry point is printed. */ 99 100 extern void print_section_info (struct target_section_table *table, 101 bfd *abfd); 102 103 extern void exec_close (void); 104 105 #endif 106