-/* Try to read or map the contents of the section SECT. If
- successful, the section data is returned and *SIZE is set to the
- size of the section data; this may not be the same as the size
- according to bfd_get_section_size if the section was compressed.
- The returned section data is associated with the BFD and will be
- destroyed when the BFD is destroyed. There is no other way to free
- it; for temporary uses of section data, see
- bfd_malloc_and_get_section. SECT may not have relocations. This
- function will throw on error. */
+/* A policy class for gdb::ref_ptr for BFD reference counting. */
+struct gdb_bfd_ref_policy
+{
+ static void incref (struct bfd *abfd)
+ {
+ gdb_bfd_ref (abfd);
+ }
+
+ static void decref (struct bfd *abfd)
+ {
+ gdb_bfd_unref (abfd);
+ }
+};
+
+/* A gdb::ref_ptr that has been specialized for BFD objects. */
+typedef gdb::ref_ptr<struct bfd, gdb_bfd_ref_policy> gdb_bfd_ref_ptr;
+
+/* Open a read-only (FOPEN_RB) BFD given arguments like bfd_fopen.
+ If NAME starts with TARGET_SYSROOT_PREFIX then the BFD will be
+ opened using target fileio operations if necessary. Returns NULL
+ on error. On success, returns a new reference to the BFD. BFDs
+ returned by this call are shared among all callers opening the same
+ file. If FD is not -1, then after this call it is owned by BFD.
+ If the BFD was not accessed using target fileio operations then the
+ filename associated with the BFD and accessible with
+ bfd_get_filename will not be exactly NAME but rather NAME with
+ TARGET_SYSROOT_PREFIX stripped. */
+
+gdb_bfd_ref_ptr gdb_bfd_open (const char *name, const char *target, int fd);
+
+/* Mark the CHILD BFD as being a member of PARENT. Also, increment
+ the reference count of CHILD. Calling this function ensures that
+ as along as CHILD remains alive, PARENT will as well. Both CHILD
+ and PARENT must be non-NULL. This can be called more than once
+ with the same arguments; but it is not allowed to call it for a
+ single CHILD with different values for PARENT. */
+
+void gdb_bfd_mark_parent (bfd *child, bfd *parent);
+
+/* Mark INCLUDEE as being included by INCLUDER.
+ This is used to associate the life time of INCLUDEE with INCLUDER.
+ For example, with Fission, one file can refer to debug info in another
+ file, and internal tables we build for the main file (INCLUDER) may refer
+ to data contained in INCLUDEE. Therefore we want to keep INCLUDEE around
+ at least as long as INCLUDER exists.
+
+ Note that this is different than gdb_bfd_mark_parent because in our case
+ lifetime tracking is based on the "parent" whereas in gdb_bfd_mark_parent
+ lifetime tracking is based on the "child". Plus in our case INCLUDEE could
+ have multiple different "parents". */
+
+void gdb_bfd_record_inclusion (bfd *includer, bfd *includee);
+
+/* Try to read or map the contents of the section SECT. If successful, the
+ section data is returned and *SIZE is set to the size of the section data;
+ this may not be the same as the size according to bfd_section_size if the
+ section was compressed. The returned section data is associated with the BFD
+ and will be destroyed when the BFD is destroyed. There is no other way to
+ free it; for temporary uses of section data, see bfd_malloc_and_get_section.
+ SECT may not have relocations. If there is an error reading the section,
+ this issues a warning, sets *SIZE to 0, and returns NULL. */