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Support @entry in input expressions.
	* c-exp.y (ENTRY, unknown_cpp_name): New.
	(exp: UNKNOWN_CPP_NAME): Change to `exp: unknown_cpp_name'.
	(unknown_cpp_name: UNKNOWN_CPP_NAME, unknown_cpp_name: ENTRY)
	(variable: name_not_typename '@' ENTRY, name: ENTRY)
	(name_not_typename: ENTRY): New.
	(yylex): Recognize ENTRY.
	* eval.c (evaluate_subexp_standard): Support also OP_VAR_ENTRY_VALUE.
	* expprint.c (print_subexp_standard, dump_subexp_body_standard):
	Likewise.
	* parse.c (operator_length_standard): Likewise.
	* std-operator.def: New operator OP_VAR_ENTRY_VALUE.

gdb/doc/
	Support @entry in input expressions.
	* gdb.texinfo (Variables): Describe @entry names suffix.
	(Print Settings): Add anchor for `set print entry-values'.

gdb/testsuite/
	Support @entry in input expressions.
	* gdb.arch/amd64-entry-value.exp (entry: p i@entry, entry: p j@entry)
	(entry_stack: p s1@entry, entry_stack: p s2@entry)
	(entry_stack: p d9@entry, entry_stack: p da@entry, tailcall: p i@entry)
	(tailcall: p j@entry): New tests.
	* gdb.cp/koenig.cc (A::entry): New function.
	(main): Call it.
	* gdb.cp/koenig.exp (p entry (c)): New test.
This commit is contained in:
Jan Kratochvil
2011-10-09 19:41:17 +00:00
parent 3343315ba7
commit 36b11add17
12 changed files with 143 additions and 1 deletions
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21
gdb/eval.c
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@@ -860,6 +860,27 @@ evaluate_subexp_standard (struct type *expect_type,
return ret;
}
case OP_VAR_ENTRY_VALUE:
(*pos) += 2;
if (noside == EVAL_SKIP)
goto nosideret;
{
struct symbol *sym = exp->elts[pc + 1].symbol;
struct frame_info *frame;
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (SYMBOL_TYPE (sym), not_lval);
if (SYMBOL_CLASS (sym) != LOC_COMPUTED
|| SYMBOL_COMPUTED_OPS (sym)->read_variable_at_entry == NULL)
error (_("Symbol \"%s\" does not have any specific entry value"),
SYMBOL_PRINT_NAME (sym));
frame = get_selected_frame (NULL);
return SYMBOL_COMPUTED_OPS (sym)->read_variable_at_entry (sym, frame);
}
case OP_LAST:
(*pos) += 2;
return