X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fexec.h;h=54e6ff4d9bab6c2c6f730b1faaf5a4062e20ce65;hb=5496abe1c5c31aa6648e8fdb15e4122025bcabfe;hp=816adc11bea6380abc94bc9d4c839acaf9d48cd2;hpb=197e01b6dcd118b70ed3621b62b2ff3fa929d50f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/exec.h b/gdb/exec.h index 816adc11be..54e6ff4d9b 100644 --- a/gdb/exec.h +++ b/gdb/exec.h @@ -1,12 +1,12 @@ /* Work with executable files, for GDB, the GNU debugger. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003-2020 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,28 +15,117 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #ifndef EXEC_H #define EXEC_H #include "target.h" +#include "progspace.h" +#include "memrange.h" +#include "symfile-add-flags.h" -struct section_table; +struct target_section; struct target_ops; struct bfd; +struct objfile; -extern struct target_ops exec_ops; +#define exec_bfd current_program_space->ebfd +#define exec_bfd_mtime current_program_space->ebfd_mtime +#define exec_filename current_program_space->pspace_exec_filename /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR. Returns 0 if OK, 1 on error. */ -extern int build_section_table (struct bfd *, struct section_table **, - struct section_table **); +extern int build_section_table (struct bfd *, struct target_section **, + struct target_section **); + +/* Remove all entries from TABLE. */ + +extern void clear_section_table (struct target_section_table *table); + +/* The current inferior is a child vforked and its program space is + shared with its parent. This pushes the exec target on the + current/child inferior's target stack if there are sections in the + program space's section table. */ + +extern void exec_on_vfork (); + +/* Read from mappable read-only sections of BFD executable files. + Return TARGET_XFER_OK, if read is successful. Return + TARGET_XFER_EOF if read is done. Return TARGET_XFER_E_IO + otherwise. */ + +extern enum target_xfer_status + exec_read_partial_read_only (gdb_byte *readbuf, ULONGEST offset, + ULONGEST len, ULONGEST *xfered_len); + +/* Read or write from mappable sections of BFD executable files. + + Request to transfer up to LEN 8-bit bytes of the target sections + defined by SECTIONS and SECTIONS_END. The OFFSET specifies the + starting address. + If SECTION_NAME is not NULL, only access sections with that same + name. + + Return the number of bytes actually transfered, or zero when no + data is available for the requested range. + + This function is intended to be used from target_xfer_partial + implementations. See target_read and target_write for more + information. + + One, and only one, of readbuf or writebuf must be non-NULL. */ + +extern enum target_xfer_status + section_table_xfer_memory_partial (gdb_byte *, + const gdb_byte *, + ULONGEST, ULONGEST, ULONGEST *, + struct target_section *, + struct target_section *, + const char *); + +/* Read from mappable read-only sections of BFD executable files. + Similar to exec_read_partial_read_only, but return + TARGET_XFER_UNAVAILABLE if data is unavailable. */ + +extern enum target_xfer_status + section_table_read_available_memory (gdb_byte *readbuf, ULONGEST offset, + ULONGEST len, ULONGEST *xfered_len); /* Set the loaded address of a section. */ extern void exec_set_section_address (const char *, int, CORE_ADDR); +/* Remove all target sections owned by OWNER. */ + +extern void remove_target_sections (void *owner); + +/* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the + current set of target sections. */ + +extern void add_target_sections (void *owner, + struct target_section *sections, + struct target_section *sections_end); + +/* Add the sections of OBJFILE to the current set of target sections. + * OBJFILE owns the new target sections. */ + +extern void add_target_sections_of_objfile (struct objfile *objfile); + +/* Prints info about all sections defined in the TABLE. ABFD is + special cased --- it's filename is omitted; if it is the executable + file, its entry point is printed. */ + +extern void print_section_info (struct target_section_table *table, + bfd *abfd); + +extern void exec_close (void); + +/* Helper function that attempts to open the symbol file at EXEC_FILE_HOST. + If successful, it proceeds to add the symbol file as the main symbol file. + + ADD_FLAGS is passed on to the function adding the symbol file. */ +extern void try_open_exec_file (const char *exec_file_host, + struct inferior *inf, + symfile_add_flags add_flags); #endif