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gdb/ChangeLog:

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2003-01-23  Alexander Larsson <alexl@redhat.com>
	    Jim Blandy  <jimb@redhat.com>

	Add support for executables whose debug info has been separated
	out into a separate file, leaving only a link behind.
	* objfiles.h (struct objfile): New fields: separate_debug_objfile
	and separate_debug_objfile_backlink.
	(put_objfile_before): New declaration.
	* symfile.c: #include "filenames.h".
	(symbol_file_add_with_addrs_or_offsets): If this objfile has its
	debug info in a separate file, read that, too. Save the addrs
	argument, so we can use it again to read the separated debug info;
	syms_from_objfile modifies the table we pass it.
	(reread_symbols): After re-reading an objfile, call
	reread_separate_symbols to refresh its separate debug info
	objfile, if it has one.
	(reread_separate_symbols, find_separate_debug_file,
	get_debug_link_info, separate_debug_file_exists): New functions.
	(debug_file_directory): New global var.
	(_initialize_symfile): Initialize debug_file_directory, and
	provide the new `set debug-file-directory' command to let the user
	change it.
	* objfiles.c (free_objfile): If this objfile has its debug info in
	a separate objfile, free that one too.  If this is itself a
	separate debug info objfile, clear our parent's backlink.
	(put_objfile_before): New function.
	* utils.c (gnu_debuglink_crc32): New function.
	* defs.h (gnu_debuglink_crc32): New declaration.
	* Makefile.in (symfile.o): Note dependency on "filenames.h".
	* configure.in: Handle --with-separate-debug-dir config option.
	* acinclude.m4 (AC_DEFINE_DIR): New macro.
	* acconfig.h (DEBUGDIR): New macro.
	* configure, aclocal.m4, config.in: Regenerated.

gdb/doc/ChangeLog:
2003-01-23  Jim Blandy  <jimb@redhat.com>

	* gdb.texinfo (Separate Debug Files): New section.
This commit is contained in:
Jim Blandy 2003-01-23 23:03:32 +00:00
parent 2e9d253267
commit 5b5d99cf4d
14 changed files with 1249 additions and 580 deletions
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11
gdb/objfiles.h
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@ -414,6 +414,15 @@ struct objfile
ExportEntry *export_list;
int export_list_size;
/* 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 */
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;
/* Place to stash various statistics about this objfile */
OBJSTATS;
};
@ -505,6 +514,8 @@ extern struct objfile *allocate_objfile (bfd *, int);
extern int build_objfile_section_table (struct objfile *);
extern void put_objfile_before (struct objfile *, struct objfile *);
extern void objfile_to_front (struct objfile *);
extern void unlink_objfile (struct objfile *);