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125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/* Work with executable files, for GDB, the GNU debugger.
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Copyright (C) 2003-2018 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef EXEC_H
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#define EXEC_H
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#include "target.h"
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#include "progspace.h"
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#include "memrange.h"
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#include "symfile-add-flags.h"
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struct target_section;
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struct target_ops;
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struct bfd;
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struct objfile;
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#define exec_bfd current_program_space->ebfd
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#define exec_bfd_mtime current_program_space->ebfd_mtime
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#define exec_filename current_program_space->pspace_exec_filename
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/* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR.
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Returns 0 if OK, 1 on error. */
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extern int build_section_table (struct bfd *, struct target_section **,
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struct target_section **);
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/* Remove all entries from TABLE. */
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extern void clear_section_table (struct target_section_table *table);
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/* Read from mappable read-only sections of BFD executable files.
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Return TARGET_XFER_OK, if read is successful. Return
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TARGET_XFER_EOF if read is done. Return TARGET_XFER_E_IO
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otherwise. */
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extern enum target_xfer_status
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exec_read_partial_read_only (gdb_byte *readbuf, ULONGEST offset,
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ULONGEST len, ULONGEST *xfered_len);
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/* Read or write from mappable sections of BFD executable files.
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Request to transfer up to LEN 8-bit bytes of the target sections
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defined by SECTIONS and SECTIONS_END. The OFFSET specifies the
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starting address.
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If SECTION_NAME is not NULL, only access sections with that same
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name.
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Return the number of bytes actually transfered, or zero when no
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data is available for the requested range.
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This function is intended to be used from target_xfer_partial
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implementations. See target_read and target_write for more
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information.
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One, and only one, of readbuf or writebuf must be non-NULL. */
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extern enum target_xfer_status
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section_table_xfer_memory_partial (gdb_byte *,
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const gdb_byte *,
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ULONGEST, ULONGEST, ULONGEST *,
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struct target_section *,
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struct target_section *,
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const char *);
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/* Read from mappable read-only sections of BFD executable files.
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Similar to exec_read_partial_read_only, but return
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TARGET_XFER_UNAVAILABLE if data is unavailable. */
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extern enum target_xfer_status
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section_table_read_available_memory (gdb_byte *readbuf, ULONGEST offset,
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ULONGEST len, ULONGEST *xfered_len);
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/* Set the loaded address of a section. */
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extern void exec_set_section_address (const char *, int, CORE_ADDR);
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/* Remove all target sections owned by OWNER. */
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extern void remove_target_sections (void *owner);
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/* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the
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current set of target sections. */
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extern void add_target_sections (void *owner,
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struct target_section *sections,
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struct target_section *sections_end);
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/* Add the sections of OBJFILE to the current set of target sections.
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* OBJFILE owns the new target sections. */
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extern void add_target_sections_of_objfile (struct objfile *objfile);
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/* Prints info about all sections defined in the TABLE. ABFD is
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special cased --- it's filename is omitted; if it is the executable
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file, its entry point is printed. */
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extern void print_section_info (struct target_section_table *table,
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bfd *abfd);
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extern void exec_close (void);
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/* Helper function that attempts to open the symbol file at EXEC_FILE_HOST.
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If successful, it proceeds to add the symbol file as the main symbol file.
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ADD_FLAGS is passed on to the function adding the symbol file. */
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extern void try_open_exec_file (const char *exec_file_host,
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struct inferior *inf,
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symfile_add_flags add_flags);
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#endif
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