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| author | David Carlton <carlton@bactrian.org> | 2002-08-19 23:19:53 +0000 |
|---|---|---|
| committer | David Carlton <carlton@bactrian.org> | 2002-08-19 23:19:53 +0000 |
| commit | 2c2738a0e0b459fdbf385972b2820e6cfcb0324d (patch) | |
| tree | 07cd168b53f36b9052d704013c30b8b34e770e48 /gdb/values.c | |
| parent | 2a73a662d6126607a81bd392614c30daa16580f0 (diff) | |
| download | gdb-2c2738a0e0b459fdbf385972b2820e6cfcb0324d.zip gdb-2c2738a0e0b459fdbf385972b2820e6cfcb0324d.tar.gz gdb-2c2738a0e0b459fdbf385972b2820e6cfcb0324d.tar.bz2 | |
2002-08-19 David Carlton <carlton@math.stanford.edu>
* valops.c (search_struct_field): Change error message to treat
return value of 0 from value_static_field as meaning that field is
optimized out.
(value_struct_elt_for_reference): Ditto.
* values.c (value_static_field): Treat an unresolved location the
same as a nonexistent symbol. Fix PR gdb/635.
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 */ |