diff options
Diffstat (limited to 'gdb/values.c')
| -rw-r--r-- | gdb/values.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gdb/values.c b/gdb/values.c index debea40..6e07c90 100644 --- a/gdb/values.c +++ b/gdb/values.c @@ -793,7 +793,9 @@ unpack_pointer (struct type *type, char *valaddr) } -/* Get the value of the FIELDN'th field (which must be static) of TYPE. */ +/* Get the value of the FIELDN'th field (which must be static) of + TYPE. Return NULL if the field doesn't exist or has been + optimized out. */ struct value * value_static_field (struct type *type, int fieldno) @@ -809,7 +811,14 @@ value_static_field (struct type *type, int fieldno) { char *phys_name = TYPE_FIELD_STATIC_PHYSNAME (type, fieldno); struct symbol *sym = lookup_symbol (phys_name, 0, VAR_NAMESPACE, 0, NULL); - if (sym == 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) { /* With some compilers, e.g. HP aCC, static data members are reported as non-debuggable symbols */ |