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doc/ChangeLog:

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* observer.texi (GDB Observers): New observer "new_objfile".

ChangeLog:

	* observer.sh: Add "struct objfile" forward declaration.
	* target.h (deprecated_target_new_objfile_hook): Remove.
	* symfile.c (deprecated_target_new_objfile_hook): Remove.
	(clear_symtab_users): Call observer_notify_new_objfile.
	(symbol_file_add_with_addrs_or_offsets): Likewise.
	* rs6000-nat.c: Include "observer.h".
	(vmap_ldinfo): Call observer_notify_new_objfile.
	(xcoff_relocate_core): Likewise.
	* remote.c (remote_new_objfile_chain): Remove.
	(remote_new_objfile): Do not call remote_new_objfile_chain.
	(_initialize_remote): Use observer_attach_new_objfile.
	* tui/tui-hooks.c (tui_target_new_objfile_chain): Remove.
	(tui_new_objfile_hook): Do not call tui_target_new_objfile_chain.
	(_initialize_tui_hooks): Use observer_attach_new_objfile.
	* aix-thread.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(new_objfile): Do not call target_new_objfile_chain.
	(_initialize_aix_thread): Use observer_attach_new_objfile.
	* hpux-thread.c: Include "observer.h"
	(target_new_objfile_chain): Remove.
	(hpux_thread_new_objfile): Make static.  Do not call
	target_new_objfile_chain.
	(_initialize_hpux_thread): Use observer_attach_new_objfile.
	* linux-thread-db.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(thread_db_new_objfile): Do not call target_new_objfile_chain.
	(_initialize_thread_db): Use observer_attach_new_objfile.
	* sol-thread.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(sol_thread_new_objfile): Make static.  Do not call
	target_new_objfile_chain.
	(_initialize_sol_thread): Use observer_attach_new_objfile.
	* Makefile.in (aix-thread.o, hpux-thread.o, linux-thread-db.o,
	rs6000-nat.o, sol-thread.o, tui-hooks.o): Add dependency on
	$(observer_h).
This commit is contained in:
Ulrich Weigand 2007-05-11 19:55:20 +00:00
parent 93ce768456
commit 06d3b283b1
14 changed files with 88 additions and 116 deletions
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30
gdb/sol-thread.c
View file

@ -66,6 +66,7 @@
#include "regcache.h"
#include "solib.h"
#include "symfile.h"
#include "observer.h"
#include "gdb_string.h"
@ -777,16 +778,9 @@ sol_thread_create_inferior (char *exec_file, char *allargs, char **env,
when all symbol tables are removed. libthread_db can only be
initialized when it finds the right variables in libthread.so.
Since it's a shared library, those variables don't show up until
the library gets mapped and the symbol table is read in.
the library gets mapped and the symbol table is read in. */
This new_objfile event is managed by a chained function pointer.
It is the callee's responsability to call the next client on the
chain. */
/* Saved pointer to previous owner of the new_objfile event. */
static void (*target_new_objfile_chain) (struct objfile *);
void
static void
sol_thread_new_objfile (struct objfile *objfile)
{
td_err_e val;
@ -794,13 +788,13 @@ sol_thread_new_objfile (struct objfile *objfile)
if (!objfile)
{
sol_thread_active = 0;
goto quit;
return;
}
/* Don't do anything if init failed to resolve the libthread_db
library. */
if (!procfs_suppress_run)
goto quit;
return;
/* Now, initialize libthread_db. This needs to be done after the
shared libraries are located because it needs information from
@ -810,24 +804,19 @@ sol_thread_new_objfile (struct objfile *objfile)
if (val != TD_OK)
{
warning (_("sol_thread_new_objfile: td_init: %s"), td_err_string (val));
goto quit;
return;
}
val = p_td_ta_new (&main_ph, &main_ta);
if (val == TD_NOLIBTHREAD)
goto quit;
return;
else if (val != TD_OK)
{
warning (_("sol_thread_new_objfile: td_ta_new: %s"), td_err_string (val));
goto quit;
return;
}
sol_thread_active = 1;
quit:
/* Call predecessor on chain, if any. */
if (target_new_objfile_chain)
target_new_objfile_chain (objfile);
}
/* Clean up after the inferior dies. */
@ -1667,8 +1656,7 @@ _initialize_sol_thread (void)
add_target (&core_ops);
/* Hook into new_objfile notification. */
target_new_objfile_chain = deprecated_target_new_objfile_hook;
deprecated_target_new_objfile_hook = sol_thread_new_objfile;
observer_attach_new_objfile (sol_thread_new_objfile);
return;
die: