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* solist.h (struct target_so_ops): New member clear_so.

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* solib-svr4.c (svr4_clear_so): New function.
	(_initialize_svr4_solib): Set svr4_so_ops.clear_so.
	* solib.c (clear_so): Renamed from free_so_symbols.
	All callers updated.  Call target clear_so if it exists.
This commit is contained in:
Doug Evans 2013-05-06 22:18:39 +00:00
parent fac51dd9e5
commit 0892cb63bd
4 changed files with 35 additions and 6 deletions
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8
gdb/ChangeLog
View file

@ -1,3 +1,11 @@
2013-05-06 Doug Evans <dje@google.com>
* solist.h (struct target_so_ops): New member clear_so.
* solib-svr4.c (svr4_clear_so): New function.
(_initialize_svr4_solib): Set svr4_so_ops.clear_so.
* solib.c (clear_so): Renamed from free_so_symbols.
All callers updated. Call target clear_so if it exists.
2013-05-06 Tom Tromey <tromey@redhat.com> 2013-05-06 Tom Tromey <tromey@redhat.com>
* ada-lang.c (ada_value_primitive_packed_val): Don't * ada-lang.c (ada_value_primitive_packed_val): Don't

9
gdb/solib-svr4.c
View file

@ -966,6 +966,14 @@ svr4_free_so (struct so_list *so)
xfree (so->lm_info); xfree (so->lm_info);
} }
/* Implement target_so_ops.clear_so. */
static void
svr4_clear_so (struct so_list *so)
{
so->lm_info->l_addr_p = 0;
}
/* Free so_list built so far (called via cleanup). */ /* Free so_list built so far (called via cleanup). */
static void static void
@ -2448,6 +2456,7 @@ _initialize_svr4_solib (void)
svr4_so_ops.relocate_section_addresses = svr4_relocate_section_addresses; svr4_so_ops.relocate_section_addresses = svr4_relocate_section_addresses;
svr4_so_ops.free_so = svr4_free_so; svr4_so_ops.free_so = svr4_free_so;
svr4_so_ops.clear_so = svr4_clear_so;
svr4_so_ops.clear_solib = svr4_clear_solib; svr4_so_ops.clear_solib = svr4_clear_solib;
svr4_so_ops.solib_create_inferior_hook = svr4_solib_create_inferior_hook; svr4_so_ops.solib_create_inferior_hook = svr4_solib_create_inferior_hook;
svr4_so_ops.special_symbol_handling = svr4_special_symbol_handling; svr4_so_ops.special_symbol_handling = svr4_special_symbol_handling;

19
gdb/solib.c
View file

@ -499,17 +499,20 @@ solib_map_sections (struct so_list *so)
return 1; return 1;
} }
/* Free symbol-file related contents of SO. If we have opened a BFD /* Free symbol-file related contents of SO and reset for possible reloading
for SO, close it. If we have placed SO's sections in some target's of SO. If we have opened a BFD for SO, close it. If we have placed SO's
section table, the caller is responsible for removing them. sections in some target's section table, the caller is responsible for
removing them.
This function doesn't mess with objfiles at all. If there is an This function doesn't mess with objfiles at all. If there is an
objfile associated with SO that needs to be removed, the caller is objfile associated with SO that needs to be removed, the caller is
responsible for taking care of that. */ responsible for taking care of that. */
static void static void
free_so_symbols (struct so_list *so) clear_so (struct so_list *so)
{ {
struct target_so_ops *ops = solib_ops (target_gdbarch ());
if (so->sections) if (so->sections)
{ {
xfree (so->sections); xfree (so->sections);
@ -528,6 +531,10 @@ free_so_symbols (struct so_list *so)
/* Restore the target-supplied file name. SO_NAME may be the path /* Restore the target-supplied file name. SO_NAME may be the path
of the symbol file. */ of the symbol file. */
strcpy (so->so_name, so->so_original_name); strcpy (so->so_name, so->so_original_name);
/* Do the same for target-specific data. */
if (ops->clear_so != NULL)
ops->clear_so (so);
} }
/* Free the storage associated with the `struct so_list' object SO. /* Free the storage associated with the `struct so_list' object SO.
@ -546,7 +553,7 @@ free_so (struct so_list *so)
{ {
struct target_so_ops *ops = solib_ops (target_gdbarch ()); struct target_so_ops *ops = solib_ops (target_gdbarch ());
free_so_symbols (so); clear_so (so);
ops->free_so (so); ops->free_so (so);
xfree (so); xfree (so);
@ -1238,7 +1245,7 @@ reload_shared_libraries_1 (int from_tty)
&& !solib_used (so)) && !solib_used (so))
free_objfile (so->objfile); free_objfile (so->objfile);
remove_target_sections (so, so->abfd); remove_target_sections (so, so->abfd);
free_so_symbols (so); clear_so (so);
} }
/* If this shared library is now associated with a new symbol /* If this shared library is now associated with a new symbol

5
gdb/solist.h
View file

@ -88,6 +88,11 @@ struct target_so_ops
associated with a so_list entry. */ associated with a so_list entry. */
void (*free_so) (struct so_list *so); void (*free_so) (struct so_list *so);
/* Reset private data structures associated with SO.
This is called when SO is about to be reloaded.
It is also called before free_so when SO is about to be freed. */
void (*clear_so) (struct so_list *so);
/* Reset or free private data structures not associated with /* Reset or free private data structures not associated with
so_list entries. */ so_list entries. */
void (*clear_solib) (void); void (*clear_solib) (void);