diff options
Diffstat (limited to 'gdb/value.h')
| -rw-r--r-- | gdb/value.h | 65 |
1 files changed, 47 insertions, 18 deletions
diff --git a/gdb/value.h b/gdb/value.h index 9d7e88d..0c7c785 100644 --- a/gdb/value.h +++ b/gdb/value.h @@ -1,6 +1,6 @@ /* Definitions for values of C expressions, for GDB. - Copyright (C) 1986-2024 Free Software Foundation, Inc. + Copyright (C) 1986-2025 Free Software Foundation, Inc. This file is part of GDB. @@ -17,19 +17,19 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#if !defined (VALUE_H) -#define VALUE_H 1 +#ifndef GDB_VALUE_H +#define GDB_VALUE_H #include "frame.h" #include "extension.h" #include "gdbsupport/gdb_ref_ptr.h" #include "gmp-utils.h" +#include "gdbtypes.h" struct block; struct expression; struct regcache; struct symbol; -struct type; struct ui_file; struct language_defn; struct value_print_options; @@ -593,7 +593,7 @@ public: /* Update this value before discarding OBJFILE. COPIED_TYPES is used to prevent cycles / duplicates. */ - void preserve (struct objfile *objfile, htab_t copied_types); + void preserve (struct objfile *objfile, copied_types_hash_t &copied_types); /* Unpack a bitfield of BITSIZE bits found at BITPOS in the object at VALADDR + EMBEDDEDOFFSET that has the type of DEST_VAL and @@ -961,7 +961,7 @@ struct lval_funcs This may simply return the same closure, if VALUE's is reference-counted or statically allocated. - This may be NULL, in which case VALUE's closure is re-used in the + This may be NULL, in which case VALUE's closure is reused in the new value. */ void *(*copy_closure) (const struct value *v); @@ -1058,10 +1058,19 @@ extern gdb_mpz value_as_mpz (struct value *val); extern LONGEST unpack_long (struct type *type, const gdb_byte *valaddr); extern CORE_ADDR unpack_pointer (struct type *type, const gdb_byte *valaddr); +/* Unpack a field FIELDNO of the specified TYPE, from the anonymous + object at VALADDR. See unpack_bits_as_long for more details. */ + extern LONGEST unpack_field_as_long (struct type *type, const gdb_byte *valaddr, int fieldno); +/* Unpack a field, FIELD, from the anonymous object at VALADDR. See + unpack_bits_as_long for more details. */ + +extern LONGEST unpack_field_as_long (const gdb_byte *valaddr, + struct field *field); + /* Unpack a bitfield of the specified FIELD_TYPE, from the object at VALADDR, and store the result in *RESULT. The bitfield starts at BITPOS bits and contains BITSIZE bits; if @@ -1128,6 +1137,8 @@ extern value *default_value_from_register (gdbarch *gdbarch, type *type, int regnum, const frame_info_ptr &this_frame); +extern ULONGEST default_dwarf2_reg_piece_offset (gdbarch *gdbarch, int regnum, ULONGEST size); + extern struct value *value_from_register (struct type *type, int regnum, const frame_info_ptr &frame); @@ -1295,10 +1306,9 @@ extern struct value *value_struct_elt (struct value **argp, const char *name, int *static_memfuncp, const char *err); -extern struct value *value_struct_elt_bitpos (struct value **argp, +extern struct value *value_struct_elt_bitpos (struct value *val, int bitpos, - struct type *field_type, - const char *err); + struct type *field_type); extern struct value *value_aggregate_elt (struct type *curtype, const char *name, @@ -1598,13 +1608,24 @@ extern struct value *find_function_in_inferior (const char *, extern struct value *value_allocate_space_in_inferior (int); -/* User function handler. */ - -typedef struct value *(*internal_function_fn) (struct gdbarch *gdbarch, - const struct language_defn *language, - void *cookie, - int argc, - struct value **argv); +/* User function handler. The internal_function_fn variant assumes return + type int. The internal_function_fn_noside returns some value with the + return type when passed noside == EVAL_AVOID_SIDE_EFFECTS. */ + +using internal_function_fn + = std::function<struct value *(struct gdbarch *gdbarch, + const struct language_defn *language, + void *cookie, + int argc, + struct value **argv)>; + +using internal_function_fn_noside + = std::function<struct value *(struct gdbarch *gdbarch, + const struct language_defn *language, + void *cookie, + int argc, + struct value **argv, + enum noside noside)>; /* Add a new internal function. NAME is the name of the function; DOC is a documentation string describing the function. HANDLER is @@ -1615,6 +1636,9 @@ typedef struct value *(*internal_function_fn) (struct gdbarch *gdbarch, extern void add_internal_function (const char *name, const char *doc, internal_function_fn handler, void *cookie); +extern void add_internal_function (const char *name, const char *doc, + internal_function_fn_noside handler, + void *cookie); /* This overload takes an allocated documentation string. */ @@ -1622,11 +1646,16 @@ extern void add_internal_function (gdb::unique_xmalloc_ptr<char> &&name, gdb::unique_xmalloc_ptr<char> &&doc, internal_function_fn handler, void *cookie); +extern void add_internal_function (gdb::unique_xmalloc_ptr<char> &&name, + gdb::unique_xmalloc_ptr<char> &&doc, + internal_function_fn_noside handler, + void *cookie); struct value *call_internal_function (struct gdbarch *gdbarch, const struct language_defn *language, struct value *function, - int argc, struct value **argv); + int argc, struct value **argv, + enum noside noside); const char *value_internal_function_name (struct value *); @@ -1704,4 +1733,4 @@ void pseudo_to_concat_raw (const frame_info_ptr &next_frame, int raw_reg_1_num, int raw_reg_2_num, int raw_reg_3_num); -#endif /* !defined (VALUE_H) */ +#endif /* GDB_VALUE_H */ |