/* Work with executable files, for GDB, the GNU debugger.
- Copyright (C) 2003-2013 Free Software Foundation, Inc.
+ Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "progspace.h"
#include "memrange.h"
+#include "symfile-add-flags.h"
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
extern int build_section_table (struct bfd *, struct target_section **,
struct target_section **);
-/* Resize the section table held by TABLE, by NUM_ADDED. Returns the
- old size. */
+/* 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 int resize_section_table (struct target_section_table *, int);
+extern void exec_on_vfork ();
-/* Appends all read-only memory ranges found in the target section
- table defined by SECTIONS and SECTIONS_END, starting at (and
- intersected with) MEMADDR for LEN bytes. Returns the augmented
- VEC. */
+/* 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 VEC(mem_range_s) *
- section_table_available_memory (VEC(mem_range_s) *ranges,
- CORE_ADDR memaddr, ULONGEST len,
- struct target_section *sections,
- struct target_section *sections_end);
+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.
One, and only one, of readbuf or writebuf must be non-NULL. */
-extern int section_table_xfer_memory_partial (gdb_byte *, const gdb_byte *,
- ULONGEST, LONGEST,
- struct target_section *,
- struct target_section *,
- const char *);
+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);
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