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Fix PR gdb/709

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* values.c (value_static_field): Call read_var_value.
This commit is contained in:
Daniel Jacobowitz
2002-09-18 15:43:47 +00:00
parent dc60453953
commit 948e66d973
2 changed files with 24 additions and 27 deletions
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46
gdb/values.c
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@@ -800,25 +800,19 @@ unpack_pointer (struct type *type, char *valaddr)
struct value *
value_static_field (struct type *type, int fieldno)
{
CORE_ADDR addr;
asection *sect;
struct value *retval;
if (TYPE_FIELD_STATIC_HAS_ADDR (type, fieldno))
{
addr = TYPE_FIELD_STATIC_PHYSADDR (type, fieldno);
sect = NULL;
retval = value_at (TYPE_FIELD_TYPE (type, fieldno),
TYPE_FIELD_STATIC_PHYSADDR (type, fieldno),
NULL);
}
else
{
char *phys_name = TYPE_FIELD_STATIC_PHYSNAME (type, fieldno);
struct symbol *sym = lookup_symbol (phys_name, 0, VAR_NAMESPACE, 0, NULL);
/* In some cases (involving uninitalized, unreferenced static
const integral members), g++ -gdwarf-2 can emit debugging
information giving rise to symbols whose SYMBOL_CLASS is
LOC_UNRESOLVED. In that case, do a minimal symbol lookup.
If it returns a useful value, then the symbol was defined
elsewhere, so we use that information. Otherwise, return
NULL. */
if (sym == NULL || SYMBOL_CLASS (sym) == LOC_UNRESOLVED)
if (sym == NULL)
{
/* With some compilers, e.g. HP aCC, static data members are reported
as non-debuggable symbols */
@@ -827,27 +821,25 @@ value_static_field (struct type *type, int fieldno)
return NULL;
else
{
addr = SYMBOL_VALUE_ADDRESS (msym);
sect = SYMBOL_BFD_SECTION (msym);
retval = value_at (TYPE_FIELD_TYPE (type, fieldno),
SYMBOL_VALUE_ADDRESS (msym),
SYMBOL_BFD_SECTION (msym));
}
}
else
{
/* Anything static that isn't a constant, has an address */
if (SYMBOL_CLASS (sym) != LOC_CONST)
{
addr = SYMBOL_VALUE_ADDRESS (sym);
sect = SYMBOL_BFD_SECTION (sym);
}
/* However, static const's do not, the value is already known. */
else
{
return value_from_longest (TYPE_FIELD_TYPE (type, fieldno), SYMBOL_VALUE (sym));
}
/* SYM should never have a SYMBOL_CLASS which will require
read_var_value to use the FRAME parameter. */
if (symbol_read_needs_frame (sym))
warning ("static field's value depends on the current "
"frame - bad debug info?");
retval = read_var_value (sym, NULL);
}
SET_FIELD_PHYSADDR (TYPE_FIELD (type, fieldno), addr);
if (retval && VALUE_LVAL (retval) == lval_memory)
SET_FIELD_PHYSADDR (TYPE_FIELD (type, fieldno),
VALUE_ADDRESS (retval));
}
return value_at (TYPE_FIELD_TYPE (type, fieldno), addr, sect);
return retval;
}
/* Change the enclosing type of a value object VAL to NEW_ENCL_TYPE.