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2010-01-06 Tristan Gingold <gingold@adacore.com>

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* symtab.c (lookup_global_symbol_from_objfile): Rename objfile
	parameter to main_objfile.  Iterate on all separate debug objfiles.
	* symfile.h (symbol_file_add_separate)
	(find_separate_debug_file_by_debuglink): Remove parameter names.
	* symfile.c (symbol_file_add_separate): Use add_separate_objfile.
	(reread_symbols): Use free_objfile_separate_debug.
	* objfiles.h (struct objfile): Add separate_debug_objfile_link.
	Adjust comment.
	(objfile_separate_debug_iterate, add_separate_debug_objfile)
	(free_objfile_separate_debug): New prototypes.
	* objfiles.c (objfile_separate_debug_iterate): New function.
	(add_separate_debug_objfile, free_objfile_separate_debug): New
	functions.
	(free_objfile): Use free_objfile_separate_debug.  Adjust for
	multiple separate debug objfile.
	(objfile_has_symbols): Adjust comment.  Iterate on all separate
	debug objfiles.
	* minsyms.c (lookup_minimal_symbol): Adjust for multiple separate
	debug objfile.
	(lookup_minimal_symbol_text): Ditto.
	(lookup_minimal_symbol_by_pc_name): Ditto.
	(lookup_minimal_symbol_solib_trampoline): Ditto.
	(lookup_minimal_symbol_by_pc_section_1): Iterate on all separate
	debug objfiles.
This commit is contained in:
Tristan Gingold
2010-01-06 10:11:04 +00:00
parent d2ca6b5b42
commit 15d123c99f
7 changed files with 199 additions and 82 deletions
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25
gdb/objfiles.h
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@ -363,15 +363,25 @@ struct objfile
struct obj_section
*sections, *sections_end;
/* Link to objfile that contains the debug symbols for this one.
One is loaded if this file has an debug link to an existing
debug file with the right checksum */
/* GDB allows to have debug symbols in separate object files. This is
used by .gnu_debuglink, ELF build id note and Mach-O OSO.
Although this is a tree structure, GDB only support one level
(ie a separate debug for a separate debug is not supported). Note that
separate debug object are in the main chain and therefore will be
visited by ALL_OBJFILES & co iterators. Separate debug objfile always
has a non-nul separate_debug_objfile_backlink. */
/* Link to the first separate debug object, if any. */
struct objfile *separate_debug_objfile;
/* If this is a separate debug object, this is used as a link to the
actual executable objfile. */
struct objfile *separate_debug_objfile_backlink;
/* If this is a separate debug object, this is a link to the next one
for the same executable objfile. */
struct objfile *separate_debug_objfile_link;
/* Place to stash various statistics about this objfile */
OBJSTATS;
@ -452,14 +462,21 @@ extern int build_objfile_section_table (struct objfile *);
extern void terminate_minimal_symbol_table (struct objfile *objfile);
extern struct objfile *objfile_separate_debug_iterate (const struct objfile *,
const struct objfile *);
extern void put_objfile_before (struct objfile *, struct objfile *);
extern void objfile_to_front (struct objfile *);
extern void add_separate_debug_objfile (struct objfile *, struct objfile *);
extern void unlink_objfile (struct objfile *);
extern void free_objfile (struct objfile *);
extern void free_objfile_separate_debug (struct objfile *);
extern struct cleanup *make_cleanup_free_objfile (struct objfile *);
extern void free_all_objfiles (void);