Remove exec_filename macro

[deliverable/binutils-gdb.git] / gdb / exec.h

diff --git a/gdb/exec.h b/gdb/exec.h
index 89d14d556c1f2887c7ea503689cc392dafa5e809..b2f51509bcf7489f6c85288a7240316729d9d6d6 100644 (file)
--- a/gdb/exec.h
+++ b/gdb/exec.h
@@ -1,6 +1,6 @@
 /* Work with executable files, for GDB, the GNU debugger.
 
 /* Work with executable files, for GDB, the GNU debugger.
 

-   Copyright (C) 2003, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.

 
    This file is part of GDB.
 
 
    This file is part of GDB.
 


@@ -22,34 +22,49 @@
 
 #include "target.h"
 #include "progspace.h"
 
 #include "target.h"
 #include "progspace.h"

+#include "memrange.h"
+#include "symfile-add-flags.h"

 
 struct target_section;
 struct target_ops;
 struct bfd;
 
 struct target_section;
 struct target_ops;
 struct bfd;

-
-extern struct target_ops exec_ops;
+struct objfile;

 
 #define exec_bfd current_program_space->ebfd
 #define exec_bfd_mtime current_program_space->ebfd_mtime
 
 
 #define exec_bfd current_program_space->ebfd
 #define exec_bfd_mtime current_program_space->ebfd_mtime
 

-/* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR.
-   Returns 0 if OK, 1 on error.  */
+/* Builds a section table, given args BFD.  */
+
+extern target_section_table build_section_table (struct bfd *);
+
+/* 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 build_section_table (struct bfd *, struct target_section **,
-                               struct target_section **);
+extern void exec_on_vfork ();

 
 

-/* Resize the section table held by TABLE, by NUM_ADDED.  Returns the
-   old size.  */
+/* 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 int resize_section_table (struct target_section_table *, int);
+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.
 
 /* 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.
+
+   The MATCH_CB predicate is optional; when provided it will be called
+   for each section under consideration.  When MATCH_CB evaluates as
+   true, the section remains under consideration; a false result
+   removes it from consideration for performing the memory transfers
+   noted above.  See memory_xfer_partial_1() in target.c for an
+   example.

 
    Return the number of bytes actually transfered, or zero when no
    data is available for the requested range.
 
    Return the number of bytes actually transfered, or zero when no
    data is available for the requested range.


@@ -60,32 +75,55 @@ extern int resize_section_table (struct target_section_table *, int);
 
    One, and only one, of readbuf or writebuf must be non-NULL.  */
 
 
    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 *,
+                                    const target_section_table &,
+                                    gdb::function_view<bool
+                                      (const struct target_section *)> match_cb
+                                        = nullptr);
+
+/* 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);
 
 
 /* Set the loaded address of a section.  */
 extern void exec_set_section_address (const char *, int, CORE_ADDR);
 

-/* Remove all target sections taken from ABFD.  */
+/* Remove all target sections owned by OWNER.  */

 
 

-extern void remove_target_sections (bfd *abfd);
+extern void remove_target_sections (void *owner);

 
 /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the
    current set of target sections.  */
 
 
 /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the
    current set of target sections.  */
 

-extern void add_target_sections (struct target_section *sections,
-                                struct target_section *sections_end);
+extern void add_target_sections (void *owner,
+                                const target_section_table &sections);
+
+/* 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.  */
 
 
 /* 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,
+extern void print_section_info (target_section_table *table,

                                bfd *abfd);
 
 extern void exec_close (void);
 
                                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
 #endif