X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fvalue.h;h=034bdc462cd260951b0379044d5602b74d2d2367;hb=7530953b42a8e0976715efb97459c908095f7ce5;hp=da954622e17d63fca9d6bb23368d3df1a91ff6c7;hpb=a5238fbc0302d1c9655b2285ce7b3071ee9e9f41;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/value.h b/gdb/value.h index da954622e1..034bdc462c 100644 --- a/gdb/value.h +++ b/gdb/value.h @@ -1,5 +1,8 @@ /* Definitions for values of C expressions, for GDB. - Copyright 1986, 1987, 1989, 1992-1996, 2000 Free Software Foundation, Inc. + + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, + 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Free Software Foundation, Inc. This file is part of GDB. @@ -21,186 +24,205 @@ #if !defined (VALUE_H) #define VALUE_H 1 -/* - * The structure which defines the type of a value. It should never - * be possible for a program lval value to survive over a call to the inferior - * (ie to be put into the history list or an internal variable). - */ - -struct value - { - /* Type of value; either not an lval, or one of the various - different possible kinds of lval. */ - enum lval_type lval; - /* Is it modifiable? Only relevant if lval != not_lval. */ - int modifiable; - /* Location of value (if lval). */ - union - { - /* If lval == lval_memory, this is the address in the inferior. - If lval == lval_register, this is the byte offset into the - registers structure. */ - CORE_ADDR address; - /* Pointer to internal variable. */ - struct internalvar *internalvar; - /* Number of register. Only used with - lval_reg_frame_relative. */ - int regnum; - } - location; - /* Describes offset of a value within lval of a structure in bytes. - If lval == lval_memory, this is an offset to the address. - If lval == lval_register, this is a further offset from - location.address within the registers structure. - Note also the member embedded_offset below. */ - int offset; - /* Only used for bitfields; number of bits contained in them. */ - int bitsize; - /* Only used for bitfields; position of start of field. - For BITS_BIG_ENDIAN=0 targets, it is the position of the LSB. - For BITS_BIG_ENDIAN=1 targets, it is the position of the MSB. */ - int bitpos; - /* Frame value is relative to. In practice, this address is only - used if the value is stored in several registers in other than - the current frame, and these registers have not all been saved - at the same place in memory. This will be described in the - lval enum above as "lval_reg_frame_relative". */ - CORE_ADDR frame_addr; - /* Type of the value. */ - struct type *type; - /* Type of the enclosing object if this is an embedded subobject. - The member embedded_offset gives the real position of the subobject - if type is not the same as enclosing_type. - - If the type field is a pointer type, then enclosing_type is - a pointer type pointing to the real (enclosing) type of the target - object. */ - struct type *enclosing_type; - /* Values are stored in a chain, so that they can be deleted - easily over calls to the inferior. Values assigned to internal - variables or put into the value history are taken off this - list. */ - struct value *next; - - /* ??? When is this used? */ - union - { - CORE_ADDR memaddr; - char *myaddr; - } - substring_addr; - - /* Register number if the value is from a register. Is not kept - if you take a field of a structure that is stored in a - register. Shouldn't it be? */ - short regno; - /* If zero, contents of this value are in the contents field. - If nonzero, contents are in inferior memory at address - in the location.address field plus the offset field - (and the lval field should be lval_memory). - - WARNING: This field is used by the code which handles - watchpoints (see breakpoint.c) to decide whether a particular - value can be watched by hardware watchpoints. If the lazy flag - is set for some member of a value chain, it is assumed that - this member of the chain doesn't need to be watched as part of - watching the value itself. This is how GDB avoids watching the - entire struct or array when the user wants to watch a single - struct member or array element. If you ever change the way - lazy flag is set and reset, be sure to consider this use as - well! */ - char lazy; - /* If nonzero, this is the value of a variable which does not - actually exist in the program. */ - char optimized_out; - /* If this value represents an object that is embedded inside a - larger object (e.g., a base subobject in C++), this gives the - offset (in bytes) from the start of the contents buffer where - the embedded object begins. This is required because some C++ - runtime implementations lay out objects (especially virtual bases - with possibly negative offsets to ancestors). - Note: This may be positive or negative! Also note that this offset - is not used when retrieving contents from target memory; the entire - enclosing object has to be retrieved always, and the offset for - that is given by the member offset above. */ - int embedded_offset; - /* If this value represents a pointer to an object that is embedded - in another object, this gives the embedded_offset of the object - that is pointed to. */ - int pointed_to_offset; - /* The BFD section associated with this value. */ - asection *bfd_section; - /* Actual contents of the value. For use of this value; setting - it uses the stuff above. Not valid if lazy is nonzero. - Target byte-order. We force it to be aligned properly for any - possible value. Note that a value therefore extends beyond - what is declared here. */ - union - { - long contents[1]; - double force_double_align; - LONGEST force_longlong_align; - char *literal_data; - } - aligner; - /* Do not add any new members here -- contents above will trash them */ - }; - -typedef struct value *value_ptr; - -#define VALUE_TYPE(val) (val)->type -#define VALUE_ENCLOSING_TYPE(val) (val)->enclosing_type -#define VALUE_LAZY(val) (val)->lazy -/* VALUE_CONTENTS and VALUE_CONTENTS_RAW both return the address of - the gdb buffer used to hold a copy of the contents of the lval. - VALUE_CONTENTS is used when the contents of the buffer are needed -- - it uses value_fetch_lazy() to load the buffer from the process being - debugged if it hasn't already been loaded. VALUE_CONTENTS_RAW is - used when data is being stored into the buffer, or when it is - certain that the contents of the buffer are valid. +#include "doublest.h" +#include "frame.h" /* For struct frame_id. */ + +struct block; +struct expression; +struct regcache; +struct symbol; +struct type; +struct ui_file; + +/* The structure which defines the type of a value. It should never + be possible for a program lval value to survive over a call to the + inferior (i.e. to be put into the history list or an internal + variable). */ + +struct value; + +/* Values are stored in a chain, so that they can be deleted easily + over calls to the inferior. Values assigned to internal variables + or put into the value history are taken off this list. */ + +struct value *value_next (struct value *); + +/* Type of the value. */ + +extern struct type *value_type (struct value *); + +/* This is being used to change the type of an existing value, that + code should instead be creating a new value with the changed type + (but possibly shared content). */ + +extern void deprecated_set_value_type (struct value *value, + struct type *type); + +/* Only used for bitfields; number of bits contained in them. */ + +extern int value_bitsize (struct value *); +extern void set_value_bitsize (struct value *, int bit); + +/* Only used for bitfields; position of start of field. For + BITS_BIG_ENDIAN=0 targets, it is the position of the LSB. For + BITS_BIG_ENDIAN=1 targets, it is the position of the MSB. */ + +extern int value_bitpos (struct value *); +extern void set_value_bitpos (struct value *, int bit); + +/* Describes offset of a value within lval of a structure in bytes. + If lval == lval_memory, this is an offset to the address. If lval + == lval_register, this is a further offset from location.address + within the registers structure. Note also the member + embedded_offset below. */ + +extern int value_offset (struct value *); +extern void set_value_offset (struct value *, int offset); + +/* The comment from "struct value" reads: ``Is it modifiable? Only + relevant if lval != not_lval.''. Shouldn't the value instead be + not_lval and be done with it? */ + +extern int deprecated_value_modifiable (struct value *value); +extern void deprecated_set_value_modifiable (struct value *value, + int modifiable); + +/* If a value represents a C++ object, then the `type' field gives the + object's compile-time type. If the object actually belongs to some + class derived from `type', perhaps with other base classes and + additional members, then `type' is just a subobject of the real + thing, and the full object is probably larger than `type' would + suggest. + + If `type' is a dynamic class (i.e. one with a vtable), then GDB can + actually determine the object's run-time type by looking at the + run-time type information in the vtable. When this information is + available, we may elect to read in the entire object, for several + reasons: + + - When printing the value, the user would probably rather see the + full object, not just the limited portion apparent from the + compile-time type. + + - If `type' has virtual base classes, then even printing `type' + alone may require reaching outside the `type' portion of the + object to wherever the virtual base class has been stored. + + When we store the entire object, `enclosing_type' is the run-time + type -- the complete object -- and `embedded_offset' is the offset + of `type' within that larger type, in bytes. The value_contents() + macro takes `embedded_offset' into account, so most GDB code + continues to see the `type' portion of the value, just as the + inferior would. + + If `type' is a pointer to an object, then `enclosing_type' is a + pointer to the object's run-time type, and `pointed_to_offset' is + the offset in bytes from the full object to the pointed-to object + -- that is, the value `embedded_offset' would have if we followed + the pointer and fetched the complete object. (I don't really see + the point. Why not just determine the run-time type when you + indirect, and avoid the special case? The contents don't matter + until you indirect anyway.) + + If we're not doing anything fancy, `enclosing_type' is equal to + `type', and `embedded_offset' is zero, so everything works + normally. */ + +extern struct type *value_enclosing_type (struct value *); +extern struct value *value_change_enclosing_type (struct value *val, + struct type *new_type); +extern int value_pointed_to_offset (struct value *value); +extern void set_value_pointed_to_offset (struct value *value, int val); +extern int value_embedded_offset (struct value *value); +extern void set_value_embedded_offset (struct value *value, int val); + +/* If zero, contents of this value are in the contents field. If + nonzero, contents are in inferior memory at address in the + location.address field plus the offset field (and the lval field + should be lval_memory). + + WARNING: This field is used by the code which handles watchpoints + (see breakpoint.c) to decide whether a particular value can be + watched by hardware watchpoints. If the lazy flag is set for some + member of a value chain, it is assumed that this member of the + chain doesn't need to be watched as part of watching the value + itself. This is how GDB avoids watching the entire struct or array + when the user wants to watch a single struct member or array + element. If you ever change the way lazy flag is set and reset, be + sure to consider this use as well! */ + +extern int value_lazy (struct value *); +extern void set_value_lazy (struct value *value, int val); + +/* value_contents() and value_contents_raw() both return the address + of the gdb buffer used to hold a copy of the contents of the lval. + value_contents() is used when the contents of the buffer are needed + -- it uses value_fetch_lazy() to load the buffer from the process + being debugged if it hasn't already been loaded + (value_contents_writeable() is used when a writeable but fetched + buffer is required).. value_contents_raw() is used when data is + being stored into the buffer, or when it is certain that the + contents of the buffer are valid. + Note: The contents pointer is adjusted by the offset required to get to the real subobject, if the value happens to represent - something embedded in a larger run-time object. */ + something embedded in a larger run-time object. */ + +extern gdb_byte *value_contents_raw (struct value *); + +/* Actual contents of the value. For use of this value; setting it + uses the stuff above. Not valid if lazy is nonzero. Target + byte-order. We force it to be aligned properly for any possible + value. Note that a value therefore extends beyond what is + declared here. */ -#define VALUE_CONTENTS_RAW(val) ((char *) (val)->aligner.contents + (val)->embedded_offset) -#define VALUE_CONTENTS(val) ((void)(VALUE_LAZY(val) && value_fetch_lazy(val)),\ - VALUE_CONTENTS_RAW(val)) +extern const gdb_byte *value_contents (struct value *); +extern gdb_byte *value_contents_writeable (struct value *); /* The ALL variants of the above two macros do not adjust the returned - pointer by the embedded_offset value. */ - -#define VALUE_CONTENTS_ALL_RAW(val) ((char *) (val)->aligner.contents) -#define VALUE_CONTENTS_ALL(val) ((void) (VALUE_LAZY(val) && value_fetch_lazy(val)),\ - VALUE_CONTENTS_ALL_RAW(val)) - - -extern int value_fetch_lazy (value_ptr val); - -#define VALUE_LVAL(val) (val)->lval -#define VALUE_ADDRESS(val) (val)->location.address -#define VALUE_INTERNALVAR(val) (val)->location.internalvar -#define VALUE_FRAME_REGNUM(val) ((val)->location.regnum) -#define VALUE_FRAME(val) ((val)->frame_addr) -#define VALUE_OFFSET(val) (val)->offset -#define VALUE_BITSIZE(val) (val)->bitsize -#define VALUE_BITPOS(val) (val)->bitpos -#define VALUE_NEXT(val) (val)->next -#define VALUE_REGNO(val) (val)->regno -#define VALUE_OPTIMIZED_OUT(val) ((val)->optimized_out) -#define VALUE_EMBEDDED_OFFSET(val) ((val)->embedded_offset) -#define VALUE_POINTED_TO_OFFSET(val) ((val)->pointed_to_offset) -#define VALUE_BFD_SECTION(val) ((val)->bfd_section) - -/* Convert a REF to the object referenced. */ - -#define COERCE_REF(arg) \ -do { struct type *value_type_arg_tmp = check_typedef (VALUE_TYPE (arg));\ - if (TYPE_CODE (value_type_arg_tmp) == TYPE_CODE_REF) \ - arg = value_at_lazy (TYPE_TARGET_TYPE (value_type_arg_tmp), \ - unpack_pointer (VALUE_TYPE (arg), \ - VALUE_CONTENTS (arg)), \ - VALUE_BFD_SECTION (arg)); \ - } while (0) + pointer by the embedded_offset value. */ + +extern gdb_byte *value_contents_all_raw (struct value *); +extern const gdb_byte *value_contents_all (struct value *); + +extern int value_fetch_lazy (struct value *val); +extern int value_contents_equal (struct value *val1, struct value *val2); + +/* If nonzero, this is the value of a variable which does not actually + exist in the program. */ +extern int value_optimized_out (struct value *value); +extern void set_value_optimized_out (struct value *value, int val); + +/* While the following fields are per- VALUE .CONTENT .PIECE (i.e., a + single value might have multiple LVALs), this hacked interface is + limited to just the first PIECE. Expect further change. */ +/* Type of value; either not an lval, or one of the various different + possible kinds of lval. */ +extern enum lval_type *deprecated_value_lval_hack (struct value *); +#define VALUE_LVAL(val) (*deprecated_value_lval_hack (val)) + +/* If lval == lval_memory, this is the address in the inferior. If + lval == lval_register, this is the byte offset into the registers + structure. */ +extern CORE_ADDR *deprecated_value_address_hack (struct value *); +#define VALUE_ADDRESS(val) (*deprecated_value_address_hack (val)) + +/* Pointer to internal variable. */ +extern struct internalvar **deprecated_value_internalvar_hack (struct value *); +#define VALUE_INTERNALVAR(val) (*deprecated_value_internalvar_hack (val)) + +/* Frame register value is relative to. This will be described in the + lval enum above as "lval_register". */ +extern struct frame_id *deprecated_value_frame_id_hack (struct value *); +#define VALUE_FRAME_ID(val) (*deprecated_value_frame_id_hack (val)) + +/* Register number if the value is from a register. */ +extern short *deprecated_value_regnum_hack (struct value *); +#define VALUE_REGNUM(val) (*deprecated_value_regnum_hack (val)) + +/* Convert a REF to the object referenced. */ + +extern struct value *coerce_ref (struct value *value); /* If ARG is an array, convert it to a pointer. If ARG is an enum, convert it to an integer. @@ -208,44 +230,23 @@ do { struct type *value_type_arg_tmp = check_typedef (VALUE_TYPE (arg));\ References are dereferenced. */ -#define COERCE_ARRAY(arg) \ -do { COERCE_REF(arg); \ - if (current_language->c_style_arrays \ - && TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ARRAY) \ - arg = value_coerce_array (arg); \ - if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_FUNC) \ - arg = value_coerce_function (arg); \ -} while (0) - -#define COERCE_NUMBER(arg) \ - do { COERCE_ARRAY(arg); COERCE_ENUM(arg); } while (0) - -#define COERCE_VARYING_ARRAY(arg, real_arg_type) \ -{ if (chill_varying_type (real_arg_type)) \ - arg = varying_to_slice (arg), real_arg_type = VALUE_TYPE (arg); } +extern struct value *coerce_array (struct value *value); +extern struct value *coerce_number (struct value *value); /* If ARG is an enum, convert it to an integer. */ -#define COERCE_ENUM(arg) { \ - if (TYPE_CODE (check_typedef (VALUE_TYPE (arg))) == TYPE_CODE_ENUM) \ - arg = value_cast (builtin_type_unsigned_int, arg); \ -} +extern struct value *coerce_enum (struct value *value); /* Internal variables (variables for convenience of use of debugger) are recorded as a chain of these structures. */ struct internalvar - { - struct internalvar *next; - char *name; - value_ptr value; - }; - -/* Pointer to member function. Depends on compiler implementation. */ +{ + struct internalvar *next; + char *name; + struct value *value; +}; -#define METHOD_PTR_IS_VIRTUAL(ADDR) ((ADDR) & 0x80000000) -#define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET)) -#define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR)) #include "symtab.h" @@ -257,152 +258,142 @@ struct fn_field; extern void print_address_demangle (CORE_ADDR, struct ui_file *, int); -extern LONGEST value_as_long (value_ptr val); - -extern DOUBLEST value_as_double (value_ptr val); - -extern CORE_ADDR value_as_pointer (value_ptr val); - -extern LONGEST unpack_long (struct type *type, char *valaddr); +extern LONGEST value_as_long (struct value *val); +extern DOUBLEST value_as_double (struct value *val); +extern CORE_ADDR value_as_address (struct value *val); -extern DOUBLEST unpack_double (struct type *type, char *valaddr, int *invp); - -extern CORE_ADDR unpack_pointer (struct type *type, char *valaddr); - -extern LONGEST unpack_field_as_long (struct type *type, char *valaddr, +extern LONGEST unpack_long (struct type *type, const gdb_byte *valaddr); +extern DOUBLEST unpack_double (struct type *type, const gdb_byte *valaddr, + int *invp); +extern CORE_ADDR unpack_pointer (struct type *type, const gdb_byte *valaddr); +extern LONGEST unpack_field_as_long (struct type *type, + const gdb_byte *valaddr, int fieldno); -extern value_ptr value_from_longest (struct type *type, LONGEST num); - -extern value_ptr value_from_pointer (struct type *type, CORE_ADDR addr); - -extern value_ptr value_from_double (struct type *type, DOUBLEST num); - -extern value_ptr value_from_string (char *string); - -extern value_ptr value_at (struct type *type, CORE_ADDR addr, - asection * sect); +extern struct value *value_from_longest (struct type *type, LONGEST num); +extern struct value *value_from_pointer (struct type *type, CORE_ADDR addr); +extern struct value *value_from_double (struct type *type, DOUBLEST num); +extern struct value *value_from_string (char *string); -extern value_ptr value_at_lazy (struct type *type, CORE_ADDR addr, - asection * sect); +extern struct value *value_at (struct type *type, CORE_ADDR addr); +extern struct value *value_at_lazy (struct type *type, CORE_ADDR addr); -extern value_ptr value_from_register (struct type *type, int regnum, - struct frame_info *frame); +extern struct value *value_from_register (struct type *type, int regnum, + struct frame_info *frame); -extern value_ptr value_of_variable (struct symbol *var, struct block *b); +extern struct value *value_of_variable (struct symbol *var, struct block *b); -extern value_ptr value_of_register (int regnum); +extern struct value *value_of_register (int regnum, struct frame_info *frame); extern int symbol_read_needs_frame (struct symbol *); -extern value_ptr read_var_value (struct symbol *var, - struct frame_info *frame); +extern struct value *read_var_value (struct symbol *var, + struct frame_info *frame); -extern value_ptr locate_var_value (struct symbol *var, - struct frame_info *frame); +extern struct value *locate_var_value (struct symbol *var, + struct frame_info *frame); -extern value_ptr allocate_value (struct type *type); +extern struct value *allocate_value (struct type *type); -extern value_ptr allocate_repeat_value (struct type *type, int count); +extern struct value *allocate_repeat_value (struct type *type, int count); -extern value_ptr value_mark (void); +extern struct value *value_mark (void); -extern void value_free_to_mark (value_ptr mark); +extern void value_free_to_mark (struct value *mark); -extern value_ptr value_string (char *ptr, int len); -extern value_ptr value_bitstring (char *ptr, int len); +extern struct value *value_string (char *ptr, int len); +extern struct value *value_bitstring (char *ptr, int len); -extern value_ptr value_array (int lowbound, int highbound, - value_ptr * elemvec); +extern struct value *value_array (int lowbound, int highbound, + struct value **elemvec); -extern value_ptr value_concat (value_ptr arg1, value_ptr arg2); +extern struct value *value_concat (struct value *arg1, struct value *arg2); -extern value_ptr value_binop (value_ptr arg1, value_ptr arg2, - enum exp_opcode op); +extern struct value *value_binop (struct value *arg1, struct value *arg2, + enum exp_opcode op); -extern value_ptr value_add (value_ptr arg1, value_ptr arg2); +extern struct value *value_add (struct value *arg1, struct value *arg2); -extern value_ptr value_sub (value_ptr arg1, value_ptr arg2); +extern struct value *value_sub (struct value *arg1, struct value *arg2); -extern value_ptr value_coerce_array (value_ptr arg1); +extern struct value *value_coerce_array (struct value *arg1); -extern value_ptr value_coerce_function (value_ptr arg1); +extern struct value *value_coerce_function (struct value *arg1); -extern value_ptr value_ind (value_ptr arg1); +extern struct value *value_ind (struct value *arg1); -extern value_ptr value_addr (value_ptr arg1); +extern struct value *value_addr (struct value *arg1); -extern value_ptr value_assign (value_ptr toval, value_ptr fromval); +extern struct value *value_assign (struct value *toval, + struct value *fromval); -extern value_ptr value_neg (value_ptr arg1); +extern struct value *value_pos (struct value *arg1); -extern value_ptr value_complement (value_ptr arg1); +extern struct value *value_neg (struct value *arg1); -extern value_ptr value_struct_elt (value_ptr * argp, value_ptr * args, - char *name, - int *static_memfuncp, char *err); +extern struct value *value_complement (struct value *arg1); -extern value_ptr value_struct_elt_for_reference (struct type *domain, - int offset, - struct type *curtype, - char *name, - struct type *intype); +extern struct value *value_struct_elt (struct value **argp, + struct value **args, + char *name, int *static_memfuncp, + char *err); -extern value_ptr value_static_field (struct type *type, int fieldno); +extern struct value *value_aggregate_elt (struct type *curtype, + char *name, enum noside noside); -extern struct fn_field *value_find_oload_method_list (value_ptr *, char *, - int, int *, int *, +extern struct value *value_static_field (struct type *type, int fieldno); + +extern struct fn_field *value_find_oload_method_list (struct value **, char *, + int, int *, struct type **, int *); extern int find_overload_match (struct type **arg_types, int nargs, char *name, int method, int lax, - value_ptr obj, struct symbol *fsym, - value_ptr * valp, struct symbol **symp, + struct value **objp, struct symbol *fsym, + struct value **valp, struct symbol **symp, int *staticp); -extern value_ptr value_field (value_ptr arg1, int fieldno); - -extern value_ptr value_primitive_field (value_ptr arg1, int offset, - int fieldno, struct type *arg_type); +extern struct value *value_field (struct value *arg1, int fieldno); -extern struct type *value_rtti_type (value_ptr, int *, int *, int *); +extern struct value *value_primitive_field (struct value *arg1, int offset, + int fieldno, + struct type *arg_type); -extern struct type *value_rtti_target_type (value_ptr, int *, int *, int *); -extern value_ptr value_full_object (value_ptr, struct type *, int, int, int); +extern struct type *value_rtti_target_type (struct value *, int *, int *, + int *); -extern value_ptr value_cast (struct type *type, value_ptr arg2); +extern struct value *value_full_object (struct value *, struct type *, int, + int, int); -extern value_ptr value_zero (struct type *type, enum lval_type lv); +extern struct value *value_cast (struct type *type, struct value *arg2); -extern value_ptr value_repeat (value_ptr arg1, int count); +extern struct value *value_zero (struct type *type, enum lval_type lv); -extern value_ptr value_subscript (value_ptr array, value_ptr idx); +extern struct value *value_repeat (struct value *arg1, int count); -extern value_ptr value_from_vtable_info (value_ptr arg, struct type *type); +extern struct value *value_subscript (struct value *array, struct value *idx); -extern value_ptr value_being_returned (struct type *valtype, - char *retbuf, int struct_return); +extern struct value *register_value_being_returned (struct type *valtype, + struct regcache *retbuf); -extern value_ptr value_in (value_ptr element, value_ptr set); +extern struct value *value_in (struct value *element, struct value *set); -extern int value_bit_index (struct type *type, char *addr, int index); +extern int value_bit_index (struct type *type, const gdb_byte *addr, + int index); -extern int using_struct_return (value_ptr function, CORE_ADDR funcaddr, - struct type *value_type, int gcc_p); +extern int using_struct_return (struct type *value_type, int gcc_p); -extern void set_return_value (value_ptr val); +extern struct value *evaluate_expression (struct expression *exp); -extern value_ptr evaluate_expression (struct expression *exp); +extern struct value *evaluate_type (struct expression *exp); -extern value_ptr evaluate_type (struct expression *exp); +extern struct value *evaluate_subexp_with_coercion (struct expression *, + int *, enum noside); -extern value_ptr evaluate_subexp_with_coercion (struct expression *, - int *, enum noside); +extern struct value *parse_and_eval (char *exp); -extern value_ptr parse_and_eval (char *exp); - -extern value_ptr parse_to_comma_and_eval (char **expp); +extern struct value *parse_to_comma_and_eval (char **expp); extern struct type *parse_and_eval_type (char *p, int length); @@ -410,134 +401,104 @@ extern CORE_ADDR parse_and_eval_address (char *exp); extern CORE_ADDR parse_and_eval_address_1 (char **expptr); -extern value_ptr access_value_history (int num); +extern LONGEST parse_and_eval_long (char *exp); + +extern struct value *access_value_history (int num); -extern value_ptr value_of_internalvar (struct internalvar *var); +extern struct value *value_of_internalvar (struct internalvar *var); -extern void set_internalvar (struct internalvar *var, value_ptr val); +extern void set_internalvar (struct internalvar *var, struct value *val); extern void set_internalvar_component (struct internalvar *var, int offset, int bitpos, int bitsize, - value_ptr newvalue); + struct value *newvalue); extern struct internalvar *lookup_internalvar (char *name); -extern int value_equal (value_ptr arg1, value_ptr arg2); +extern int value_equal (struct value *arg1, struct value *arg2); -extern int value_less (value_ptr arg1, value_ptr arg2); +extern int value_less (struct value *arg1, struct value *arg2); -extern int value_logical_not (value_ptr arg1); +extern int value_logical_not (struct value *arg1); /* C++ */ -extern value_ptr value_of_this (int complain); +extern struct value *value_of_this (int complain); -extern value_ptr value_x_binop (value_ptr arg1, value_ptr arg2, - enum exp_opcode op, - enum exp_opcode otherop, enum noside noside); +extern struct value *value_x_binop (struct value *arg1, struct value *arg2, + enum exp_opcode op, + enum exp_opcode otherop, + enum noside noside); -extern value_ptr value_x_unop (value_ptr arg1, enum exp_opcode op, - enum noside noside); +extern struct value *value_x_unop (struct value *arg1, enum exp_opcode op, + enum noside noside); -extern value_ptr value_fn_field (value_ptr * arg1p, struct fn_field *f, - int j, struct type *type, int offset); +extern struct value *value_fn_field (struct value **arg1p, struct fn_field *f, + int j, struct type *type, int offset); -extern value_ptr value_virtual_fn_field (value_ptr * arg1p, - struct fn_field *f, int j, - struct type *type, int offset); +extern int binop_user_defined_p (enum exp_opcode op, struct value *arg1, + struct value *arg2); -extern int binop_user_defined_p (enum exp_opcode op, - value_ptr arg1, value_ptr arg2); - -extern int unop_user_defined_p (enum exp_opcode op, value_ptr arg1); +extern int unop_user_defined_p (enum exp_opcode op, struct value *arg1); extern int destructor_name_p (const char *name, const struct type *type); -#define value_free(val) free ((PTR)val) +#define value_free(val) xfree (val) extern void free_all_values (void); -extern void release_value (value_ptr val); - -extern int record_latest_value (value_ptr val); - -extern void registers_changed (void); - -extern void read_register_bytes (int regbyte, char *myaddr, int len); - -extern void write_register_bytes (int regbyte, char *myaddr, int len); - -extern void read_register_gen (int regno, char *myaddr); - -extern void write_register_gen (int regno, char *myaddr); - -/* Rename to read_unsigned_register()? */ -extern ULONGEST read_register (int regno); - -extern LONGEST read_signed_register (int regno); +extern void release_value (struct value *val); -/* Rename to read_unsigned_register_pid()? */ -extern ULONGEST read_register_pid (int regno, int pid); +extern int record_latest_value (struct value *val); -extern LONGEST read_signed_register_pid (int regno, int pid); +extern void modify_field (gdb_byte *addr, LONGEST fieldval, int bitpos, + int bitsize); -extern void write_register (int regno, LONGEST val); +extern void type_print (struct type *type, char *varstring, + struct ui_file *stream, int show); -extern void write_register_pid (int regno, CORE_ADDR val, int pid); +extern gdb_byte *baseclass_addr (struct type *type, int index, + gdb_byte *valaddr, + struct value **valuep, int *errp); -extern void supply_register (int regno, char *val); - -extern int register_cached (int regno); - -extern void register_changed (int regnum); - -extern void get_saved_register (char *raw_buffer, int *optimized, - CORE_ADDR * addrp, - struct frame_info *frame, - int regnum, enum lval_type *lval); - -extern void -modify_field (char *addr, LONGEST fieldval, int bitpos, int bitsize); - -extern void type_print (struct type * type, char *varstring, - struct ui_file * stream, int show); - -extern char *baseclass_addr (struct type *type, int index, - char *valaddr, value_ptr * valuep, int *errp); - -extern void print_longest (struct ui_file * stream, int format, +extern void print_longest (struct ui_file *stream, int format, int use_local, LONGEST val); -extern void print_floating (char *valaddr, struct type * type, - struct ui_file * stream); +extern void print_floating (const gdb_byte *valaddr, struct type *type, + struct ui_file *stream); -extern int value_print (value_ptr val, struct ui_file *stream, int format, +extern int value_print (struct value *val, struct ui_file *stream, int format, enum val_prettyprint pretty); -extern void value_print_array_elements (value_ptr val, - struct ui_file *stream, - int format, +extern void value_print_array_elements (struct value *val, + struct ui_file *stream, int format, enum val_prettyprint pretty); -extern value_ptr value_release_to_mark (value_ptr mark); +extern struct value *value_release_to_mark (struct value *mark); -extern int val_print (struct type * type, char *valaddr, +extern int val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, CORE_ADDR address, - struct ui_file * stream, int format, + struct ui_file *stream, int format, int deref_ref, int recurse, enum val_prettyprint pretty); -extern int val_print_string (CORE_ADDR addr, int len, int width, struct ui_file *stream); +extern int common_val_print (struct value *val, + struct ui_file *stream, int format, + int deref_ref, int recurse, + enum val_prettyprint pretty); + +extern int val_print_string (CORE_ADDR addr, int len, int width, + struct ui_file *stream); -extern void print_variable_value (struct symbol * var, - struct frame_info * frame, +extern void print_variable_value (struct symbol *var, + struct frame_info *frame, struct ui_file *stream); -extern int check_field (value_ptr, const char *); +extern int check_field (struct value *, const char *); -extern void typedef_print (struct type * type, struct symbol * news, - struct ui_file * stream); +extern void typedef_print (struct type *type, struct symbol *news, + struct ui_file *stream); extern char *internalvar_name (struct internalvar *var); @@ -547,34 +508,24 @@ extern void clear_internalvars (void); /* From values.c */ -extern value_ptr value_copy (value_ptr); - -extern int baseclass_offset (struct type *, int, char *, CORE_ADDR); +extern struct value *value_copy (struct value *); /* From valops.c */ -extern value_ptr varying_to_slice (value_ptr); - -extern value_ptr value_slice (value_ptr, int, int); - -extern value_ptr call_function_by_hand (value_ptr, int, value_ptr *); - -extern int default_coerce_float_to_double (struct type *, struct type *); +extern struct value *varying_to_slice (struct value *); -extern int standard_coerce_float_to_double (struct type *, struct type *); +extern struct value *value_slice (struct value *, int, int); -extern value_ptr value_literal_complex (value_ptr, value_ptr, struct type *); +extern struct value *value_literal_complex (struct value *, struct value *, + struct type *); -extern void find_rt_vbase_offset (struct type *, struct type *, char *, int, - int *, int *); +extern void find_rt_vbase_offset (struct type *, struct type *, + const gdb_byte *, int, int *, int *); -extern value_ptr find_function_in_inferior (char *); +extern struct value *find_function_in_inferior (const char *); -extern value_ptr value_allocate_space_in_inferior (int); +extern struct value *value_allocate_space_in_inferior (int); -extern CORE_ADDR default_push_arguments (int nargs, value_ptr * args, - CORE_ADDR sp, - int struct_return, - CORE_ADDR struct_addr); +extern struct value *value_of_local (const char *name, int complain); #endif /* !defined (VALUE_H) */