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PR symtab/16426

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* dwarf2read.c (dwarf2_get_dwz_file): Call gdb_bfd_record_inclusion.
	(try_open_dwop_file): Ditto.
	* gdb_bfd.c: #include "vec.h".
	(bfdp): New typedef.
	(struct gdb_bfd_data): New member included_bfds.
	(gdb_bfd_unref): Unref all included bfds.
	(gdb_bfd_record_inclusion): New function.
	* gdb_bfd.h (gdb_bfd_record_inclusion): Declare.
This commit is contained in:
Doug Evans
2014-01-13 17:15:42 -08:00
parent 067c5c1de2
commit 13aaf45454
4 changed files with 62 additions and 1 deletions
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14
gdb/gdb_bfd.h
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@ -52,6 +52,20 @@ void gdb_bfd_unref (struct bfd *abfd);
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