Imagelibrary/binutils-gdb
1
0
Fork 1
mirror of https://github.com/bminor/binutils-gdb.git synced 2025-12-28 10:00:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

gdb/

Browse Source 
2009-02-06  Jim Blandy  <jimb@codesourcery.com>
	    Daniel Jacobowitz  <dan@codesourcery.com>
	    Vladimir Prus  <vladimir@codesourcery.com>
	    Pedro Alves  <pedro@codesourcery.com>

	* defs.h (enum lval_type): New value: lval_computed.
	* value.h (struct lval_funcs): New type.
	(allocate_computed_value, value_computed_funcs)
	(value_computed_closure): New declarations.
	* value.c (struct value): Add a structure to the location union
	for computed lvalues, containing 'funcs' and 'closure' members.
	(allocate_computed_value, value_computed_funcs)
	(value_computed_closure): New functions.
	(value_free): For computed lvalues, call the closure's
	'free_closure' function before freeing the value itself.
	(value_copy): If we're copying an lval_computed value, call the
	closure's 'copy_closure' function.
	(set_value_component_location): If the original value is a
	computed lvalue, then call the closure's 'copy_closure' function.
	(value_of_internalvar): If an internal variable's value is a
	computed lvalue, make retrieving its value produce an equivalent
	computed lvalue.
	* valops.c (value_fetch_lazy): Unlazy computed lvalues by calling
	their read function.
	(value_assign): Assign to computed lvalues by calling their write
	function.

gdb/doc/
2009-02-06  Pedro Alves  <pedro@codesourcery.com>

	* gdbint.texinfo (Values): New chapter.
This commit is contained in:
Pedro Alves
2009-02-06 22:50:52 +00:00
parent 117de6a924
commit 5f5233d48e
7 changed files with 278 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
gdb/valops.c
View File

@@ -727,6 +727,8 @@ value_fetch_lazy (struct value *val)
watchpoints from trying to watch the saved frame pointer. */
value_free_to_mark (mark);
}
else if (VALUE_LVAL (val) == lval_computed)
value_computed_funcs (val)->read (val);
else
internal_error (__FILE__, __LINE__, "Unexpected lazy value type.");
@@ -895,7 +897,15 @@ value_assign (struct value *toval, struct value *fromval)
observer_notify_target_changed (&current_target);
break;
}
case lval_computed:
{
struct lval_funcs *funcs = value_computed_funcs (toval);
funcs->write (toval, fromval);
}
break;
default:
error (_("Left operand of assignment is not an lvalue."));
}