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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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17
gdb/expprint.c
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@@ -135,6 +135,16 @@ print_subexp_standard (struct expression *exp, int *pos,
}
return;
case OP_VAR_ENTRY_VALUE:
{
struct block *b;
(*pos) += 2;
fprintf_filtered (stream, "%s@entry",
SYMBOL_PRINT_NAME (exp->elts[pc + 1].symbol));
}
return;
case OP_LAST:
(*pos) += 2;
fprintf_filtered (stream, "$%d",
@@ -853,6 +863,13 @@ dump_subexp_body_standard (struct expression *exp,
SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
elt += 3;
break;
case OP_VAR_ENTRY_VALUE:
fprintf_filtered (stream, "Entry value of symbol @");
gdb_print_host_address (exp->elts[elt].symbol, stream);
fprintf_filtered (stream, " (%s)",
SYMBOL_PRINT_NAME (exp->elts[elt].symbol));
elt += 2;
break;
case OP_LAST:
fprintf_filtered (stream, "History element %ld",
(long) exp->elts[elt].longconst);