Introduce target-section.h

This introduces a new target-section.h file.  This makes some of the
later patches in this series a bit cleaner, because new includes of
target.h won't be required.  Also I think it's better to have small
header files for each separate data structure.

gdb/ChangeLog
2020-10-12  Tom Tromey  <tom@tromey.com>

	* target.h (struct target_section, struct target_section_table):
	Move to target-section.h.
	* target-section.h: New file.

1 files changed, 1 insertions, 27 deletions

diff --git a/gdb/target.h b/gdb/target.h
index 8545533..cf0a296 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -44,6 +44,7 @@ struct inferior;
 #include "breakpoint.h" /* For enum bptype.  */
 #include "gdbsupport/scoped_restore.h"
 #include "gdbsupport/refcounted-object.h"
+#include "target-section.h"
 
 /* This include file defines the interface between the main part
    of the debugger, and the part which is target-specific, or
@@ -2405,33 +2406,6 @@ extern bool target_is_pushed (target_ops *t);
 extern CORE_ADDR target_translate_tls_address (struct objfile *objfile,
 					       CORE_ADDR offset);
 
-/* Struct target_section maps address ranges to file sections.  It is
-   mostly used with BFD files, but can be used without (e.g. for handling
-   raw disks, or files not in formats handled by BFD).  */
-
-struct target_section
-  {
-    CORE_ADDR addr;		/* Lowest address in section */
-    CORE_ADDR endaddr;		/* 1+highest address in section */
-
-    struct bfd_section *the_bfd_section;
-
-    /* The "owner" of the section.
-       It can be any unique value.  It is set by add_target_sections
-       and used by remove_target_sections.
-       For example, for executables it is a pointer to exec_bfd and
-       for shlibs it is the so_list pointer.  */
-    void *owner;
-  };
-
-/* Holds an array of target sections.  Defined by [SECTIONS..SECTIONS_END[.  */
-
-struct target_section_table
-{
-  struct target_section *sections;
-  struct target_section *sections_end;
-};
-
 /* Return the "section" containing the specified address.  */
 struct target_section *target_section_by_addr (struct target_ops *target,
 					       CORE_ADDR addr);