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4a399546aa
* ada-lang.c (convert_actual): Remove stale prototype. (ensure_lval, make_array_descriptor, ada_convert_actual): Add GDBARCH argument and pass through to subroutine calls. (ensure_lval): Use GDBARCH instead of current_gdbarch. * infcall.c (value_arg_coerce): Update ada_convert_actual call.
479 lines
16 KiB
C
479 lines
16 KiB
C
/* Ada language support definitions for GDB, the GNU debugger.
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Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (ADA_LANG_H)
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#define ADA_LANG_H 1
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struct partial_symbol;
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struct frame_info;
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#include "value.h"
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#include "gdbtypes.h"
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#include "breakpoint.h"
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/* Names of specific files known to be part of the runtime
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system and that might consider (confusing) debugging information.
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Each name (a basic regular expression string) is followed by a
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comma. FIXME: Should be part of a configuration file. */
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#if defined(__alpha__) && defined(__osf__)
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#define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
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"^[agis]-.*\\.ad[bs]$", \
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"/usr/shlib/libpthread\\.so",
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#elif defined (__linux__)
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#define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
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"^[agis]-.*\\.ad[bs]$", \
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"/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
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"/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
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#endif
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#if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
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#define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
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"^[agis]-.*\\.ad[bs]$",
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#endif
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/* Names of compiler-generated auxiliary functions probably of no
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interest to users. Each name (a basic regular expression string)
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is followed by a comma. */
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#define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \
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"___clean[.$a-zA-Z0-9_]*$",
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/* The maximum number of frame levels searched for non-local,
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* non-global symbols. This limit exists as a precaution to prevent
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* infinite search loops when the stack is screwed up. */
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#define MAX_ENCLOSING_FRAME_LEVELS 7
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/* Maximum number of steps followed in looking for the ultimate
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referent of a renaming. This prevents certain infinite loops that
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can otherwise result. */
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#define MAX_RENAMING_CHAIN_LENGTH 10
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struct block;
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/* Corresponding encoded/decoded names and opcodes for Ada user-definable
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operators. */
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struct ada_opname_map
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{
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const char *encoded;
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const char *decoded;
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enum exp_opcode op;
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};
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/* Table of Ada operators in encoded and decoded forms. */
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/* Defined in ada-lang.c */
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extern const struct ada_opname_map ada_opname_table[];
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enum ada_operator
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{
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/* X IN A'RANGE(N). N is an immediate operand, surrounded by
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BINOP_IN_BOUNDS before and after. A is an array, X an index
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value. Evaluates to true iff X is within range of the Nth
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dimension (1-based) of A. (A multi-dimensional array
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type is represented as array of array of ...) */
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BINOP_IN_BOUNDS = OP_EXTENDED0,
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/* X IN L .. U. True iff L <= X <= U. */
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TERNOP_IN_RANGE,
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/* Ada attributes ('Foo). */
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OP_ATR_FIRST,
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OP_ATR_LAST,
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OP_ATR_LENGTH,
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OP_ATR_IMAGE,
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OP_ATR_MAX,
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OP_ATR_MIN,
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OP_ATR_MODULUS,
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OP_ATR_POS,
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OP_ATR_SIZE,
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OP_ATR_TAG,
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OP_ATR_VAL,
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/* Ada type qualification. It is encoded as for UNOP_CAST, above,
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and denotes the TYPE'(EXPR) construct. */
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UNOP_QUAL,
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/* X IN TYPE. The `TYPE' argument is immediate, with
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UNOP_IN_RANGE before and after it. True iff X is a member of
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type TYPE (typically a subrange). */
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UNOP_IN_RANGE,
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/* An aggregate. A single immediate operand, N>0, gives
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the number of component specifications that follow. The
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immediate operand is followed by a second OP_AGGREGATE.
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Next come N component specifications. A component
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specification is either an OP_OTHERS (others=>...), an
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OP_CHOICES (for named associations), or other expression (for
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positional aggregates only). Aggregates currently
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occur only as the right sides of assignments. */
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OP_AGGREGATE,
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/* An others clause. Followed by a single expression. */
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OP_OTHERS,
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/* An aggregate component association. A single immediate operand, N,
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gives the number of choices that follow. This is followed by a second
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OP_CHOICES operator. Next come N operands, each of which is an
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expression, an OP_DISCRETE_RANGE, or an OP_NAME---the latter
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for a simple name that must be a record component name and does
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not correspond to a single existing symbol. After the N choice
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indicators comes an expression giving the value.
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In an aggregate such as (X => E1, ...), where X is a simple
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name, X could syntactically be either a component_selector_name
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or an expression used as a discrete_choice, depending on the
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aggregate's type context. Since this is not known at parsing
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time, we don't attempt to disambiguate X if it has multiple
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definitions, but instead supply an OP_NAME. If X has a single
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definition, we represent it with an OP_VAR_VALUE, even though
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it may turn out to be within a record aggregate. Aggregate
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evaluation can use either OP_NAMEs or OP_VAR_VALUEs to get a
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record field name, and can evaluate OP_VAR_VALUE normally to
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get its value as an expression. Unfortunately, we lose out in
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cases where X has multiple meanings and is part of an array
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aggregate. I hope these are not common enough to annoy users,
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who can work around the problem in any case by putting
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parentheses around X. */
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OP_CHOICES,
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/* A positional aggregate component association. The operator is
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followed by a single integer indicating the position in the
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aggregate (0-based), followed by a second OP_POSITIONAL. Next
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follows a single expression giving the component value. */
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OP_POSITIONAL,
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/* A range of values. Followed by two expressions giving the
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upper and lower bounds of the range. */
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OP_DISCRETE_RANGE,
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/* End marker */
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OP_ADA_LAST
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};
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/* A tuple, (symbol, block), representing one instance of a
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* symbol-lookup operation. */
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struct ada_symbol_info {
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struct symbol* sym;
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struct block* block;
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};
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/* Denotes a type of renaming symbol (see ada_parse_renaming). */
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enum ada_renaming_category
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{
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/* Indicates a symbol that does not encode a renaming. */
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ADA_NOT_RENAMING,
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/* For symbols declared
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Foo : TYPE renamed OBJECT; */
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ADA_OBJECT_RENAMING,
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/* For symbols declared
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Foo : exception renames EXCEPTION; */
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ADA_EXCEPTION_RENAMING,
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/* For packages declared
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package Foo renames PACKAGE; */
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ADA_PACKAGE_RENAMING,
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/* For subprograms declared
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SUBPROGRAM_SPEC renames SUBPROGRAM;
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(Currently not used). */
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ADA_SUBPROGRAM_RENAMING
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};
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/* Ada task structures. */
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struct ada_task_info
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{
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/* The PTID of the thread that this task runs on. This ptid is computed
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in a target-dependent way from the associated Task Control Block. */
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ptid_t ptid;
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/* The ID of the task. */
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CORE_ADDR task_id;
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/* The name of the task. */
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char name[257];
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/* The current state of the task. */
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int state;
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/* The priority associated to the task. */
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int priority;
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/* If non-zero, the task ID of the parent task. */
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CORE_ADDR parent;
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/* If the task is waiting on a task entry, this field contains
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the ID of the other task. Zero otherwise. */
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CORE_ADDR called_task;
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/* If the task is accepting a rendezvous with another task, this field
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contains the ID of the calling task. Zero otherwise. */
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CORE_ADDR caller_task;
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};
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/* Assuming V points to an array of S objects, make sure that it contains at
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least M objects, updating V and S as necessary. */
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#define GROW_VECT(v, s, m) \
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if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
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extern void *grow_vect (void *, size_t *, size_t, int);
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extern int ada_get_field_index (const struct type *type,
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const char *field_name,
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int maybe_missing);
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extern int ada_parse (void); /* Defined in ada-exp.y */
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extern void ada_error (char *); /* Defined in ada-exp.y */
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/* Defined in ada-typeprint.c */
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extern void ada_print_type (struct type *, char *, struct ui_file *, int,
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int);
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extern int ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
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struct ui_file *, int,
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const struct value_print_options *);
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extern int ada_value_print (struct value *, struct ui_file *,
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const struct value_print_options *);
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/* Defined in ada-lang.c */
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extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
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extern void ada_printchar (int, struct type *, struct ui_file *);
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extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
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unsigned int, int,
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const struct value_print_options *);
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struct value *ada_convert_actual (struct value *actual,
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struct type *formal_type0,
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struct gdbarch *gdbarch,
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CORE_ADDR *sp);
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extern struct value *ada_value_subscript (struct value *, int,
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struct value **);
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extern struct type *ada_array_element_type (struct type *, int);
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extern int ada_array_arity (struct type *);
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struct type *ada_type_of_array (struct value *, int);
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extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
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extern int ada_is_simple_array_type (struct type *);
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extern int ada_is_array_descriptor_type (struct type *);
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extern int ada_is_bogus_array_descriptor (struct type *);
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extern char *ada_decode_symbol (const struct general_symbol_info*);
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extern const char *ada_decode (const char*);
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extern enum language ada_update_initial_language (enum language,
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struct partial_symtab*);
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extern void clear_ada_sym_cache (void);
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extern int ada_lookup_symbol_list (const char *, const struct block *,
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domain_enum, struct ada_symbol_info**);
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extern char *ada_fold_name (const char *);
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extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
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domain_enum, int *);
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extern struct symbol *
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ada_lookup_encoded_symbol (const char *, const struct block *,
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domain_enum namespace, struct block **);
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extern struct minimal_symbol *ada_lookup_simple_minsym (const char *);
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extern void ada_fill_in_ada_prototype (struct symbol *);
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extern int user_select_syms (struct ada_symbol_info *, int, int);
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extern int get_selections (int *, int, int, int, char *);
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extern char *ada_start_decode_line_1 (char *);
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extern struct symtabs_and_lines ada_finish_decode_line_1 (char **,
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struct symtab *,
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int, char ***);
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extern struct symtabs_and_lines ada_sals_for_line (const char*, int,
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int, char***, int);
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extern int ada_scan_number (const char *, int, LONGEST *, int *);
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extern struct type *ada_parent_type (struct type *);
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extern int ada_is_ignored_field (struct type *, int);
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extern int ada_is_packed_array_type (struct type *);
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extern struct value *ada_value_primitive_packed_val (struct value *,
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const gdb_byte *,
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long, int, int,
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struct type *);
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extern struct type *ada_coerce_to_simple_array_type (struct type *);
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extern int ada_is_character_type (struct type *);
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extern int ada_is_string_type (struct type *);
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extern int ada_is_tagged_type (struct type *, int);
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extern int ada_is_tag_type (struct type *);
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extern struct type *ada_tag_type (struct value *);
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extern struct value *ada_value_tag (struct value *);
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extern const char *ada_tag_name (struct value *);
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extern int ada_is_parent_field (struct type *, int);
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extern int ada_is_wrapper_field (struct type *, int);
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extern int ada_is_variant_part (struct type *, int);
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extern struct type *ada_variant_discrim_type (struct type *, struct type *);
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extern int ada_is_others_clause (struct type *, int);
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extern int ada_in_variant (LONGEST, struct type *, int);
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extern char *ada_variant_discrim_name (struct type *);
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extern struct value *ada_value_struct_elt (struct value *, char *, int);
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extern int ada_is_aligner_type (struct type *);
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extern struct type *ada_aligned_type (struct type *);
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extern const gdb_byte *ada_aligned_value_addr (struct type *,
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const gdb_byte *);
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extern const char *ada_attribute_name (enum exp_opcode);
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extern int ada_is_fixed_point_type (struct type *);
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extern int ada_is_system_address_type (struct type *);
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extern DOUBLEST ada_delta (struct type *);
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extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
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extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
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extern int ada_is_vax_floating_type (struct type *);
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extern int ada_vax_float_type_suffix (struct type *);
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extern struct value *ada_vax_float_print_function (struct type *);
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extern struct type *ada_system_address_type (void);
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extern int ada_which_variant_applies (struct type *, struct type *,
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const gdb_byte *);
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extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
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CORE_ADDR, struct value *,
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int check_tag);
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extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
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const gdb_byte *valaddr,
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CORE_ADDR address,
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struct value *dval0,
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int keep_dynamic_fields);
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extern int ada_name_prefix_len (const char *);
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extern char *ada_type_name (struct type *);
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extern struct type *ada_find_parallel_type (struct type *,
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const char *suffix);
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extern LONGEST get_int_var_value (char *, int *);
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extern struct symbol *ada_find_any_symbol (const char *name);
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extern struct type *ada_find_any_type (const char *name);
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extern struct symbol *ada_find_renaming_symbol (const char *name,
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struct block *block);
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extern int ada_prefer_type (struct type *, struct type *);
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extern struct type *ada_get_base_type (struct type *);
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extern struct type *ada_check_typedef (struct type *);
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extern char *ada_encode (const char *);
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extern const char *ada_enum_name (const char *);
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extern int ada_is_modular_type (struct type *);
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extern ULONGEST ada_modulus (struct type *);
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extern struct value *ada_value_ind (struct value *);
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extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
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extern int ada_is_range_type_name (const char *);
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extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
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const char **,
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int *, const char **);
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extern void ada_find_printable_frame (struct frame_info *fi);
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extern char *ada_breakpoint_rewrite (char *, int *);
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extern char *ada_main_name (void);
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/* Tasking-related: ada-tasks.c */
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extern int valid_task_id (int);
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extern int ada_get_task_number (ptid_t);
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extern int ada_build_task_list (int warn_if_null);
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extern int ada_exception_catchpoint_p (struct breakpoint *b);
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extern struct symtab_and_line
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ada_decode_exception_location (char *args, char **addr_string,
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char **exp_string, char **cond_string,
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struct expression **cond,
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struct breakpoint_ops **ops);
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extern struct symtab_and_line
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ada_decode_assert_location (char *args, char **addr_string,
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struct breakpoint_ops **ops);
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#endif
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