diff options
Diffstat (limited to 'gdb/cp-valprint.c')
| -rw-r--r-- | gdb/cp-valprint.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/gdb/cp-valprint.c b/gdb/cp-valprint.c index 6c04494..7442ec0 100644 --- a/gdb/cp-valprint.c +++ b/gdb/cp-valprint.c @@ -38,6 +38,8 @@ #include "gdbsupport/byte-vector.h" #include "gdbarch.h" #include "cli/cli-style.h" +#include "gdbsupport/selftest.h" +#include "selftest-arch.h" static struct obstack dont_print_vb_obstack; static struct obstack dont_print_statmem_obstack; @@ -715,11 +717,77 @@ cp_print_class_member (const gdb_byte *valaddr, struct type *type, fprintf_filtered (stream, "%ld", (long) val); } +#if GDB_SELF_TEST + +/* Test printing of TYPE_CODE_STRUCT values. */ + +static void +test_print_fields (gdbarch *arch) +{ + struct field *f; + type *uint8_type = builtin_type (arch)->builtin_uint8; + type *bool_type = builtin_type (arch)->builtin_bool; + type *the_struct = arch_composite_type (arch, NULL, TYPE_CODE_STRUCT); + TYPE_LENGTH (the_struct) = 4; + + /* Value: 1110 1001 + Fields: C-BB B-A- */ + if (gdbarch_byte_order (arch) == BFD_ENDIAN_LITTLE) + { + f = append_composite_type_field_raw (the_struct, "A", bool_type); + SET_FIELD_BITPOS (*f, 1); + FIELD_BITSIZE (*f) = 1; + f = append_composite_type_field_raw (the_struct, "B", uint8_type); + SET_FIELD_BITPOS (*f, 3); + FIELD_BITSIZE (*f) = 3; + f = append_composite_type_field_raw (the_struct, "C", bool_type); + SET_FIELD_BITPOS (*f, 7); + FIELD_BITSIZE (*f) = 1; + } + /* According to the logic commented in "make_gdb_type_struct ()" of + * target-descriptions.c, bit positions are numbered differently for + * little and big endians. */ + else + { + f = append_composite_type_field_raw (the_struct, "A", bool_type); + SET_FIELD_BITPOS (*f, 30); + FIELD_BITSIZE (*f) = 1; + f = append_composite_type_field_raw (the_struct, "B", uint8_type); + SET_FIELD_BITPOS (*f, 26); + FIELD_BITSIZE (*f) = 3; + f = append_composite_type_field_raw (the_struct, "C", bool_type); + SET_FIELD_BITPOS (*f, 24); + FIELD_BITSIZE (*f) = 1; + } + + value *val = allocate_value (the_struct); + gdb_byte *contents = value_contents_writeable (val); + store_unsigned_integer (contents, TYPE_LENGTH (value_enclosing_type (val)), + gdbarch_byte_order (arch), 0xe9); + + string_file out; + struct value_print_options opts; + get_no_prettyformat_print_options (&opts); + cp_print_value_fields(val, &out, 0, &opts, NULL, 0); + SELF_CHECK (out.string () == "{A = false, B = 5, C = true}"); + + out.clear(); + opts.format = 'x'; + cp_print_value_fields(val, &out, 0, &opts, NULL, 0); + SELF_CHECK (out.string () == "{A = 0x0, B = 0x5, C = 0x1}"); +} + +#endif + void _initialize_cp_valprint (); void _initialize_cp_valprint () { +#if GDB_SELF_TEST + selftests::register_test_foreach_arch ("print-fields", test_print_fields); +#endif + obstack_begin (&dont_print_stat_array_obstack, 32 * sizeof (struct type *)); obstack_begin (&dont_print_statmem_obstack, |