binutils-gdb/gdb/printcmd.c

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/* Print values for GNU debugger GDB.
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Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software
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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
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "gdb_string.h"
#include "frame.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "value.h"
#include "language.h"
#include "expression.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
#include "breakpoint.h"
#include "demangle.h"
#include "valprint.h"
#include "annotate.h"
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#include "symfile.h" /* for overlay functions */
#include "objfiles.h" /* ditto */
* completer.c (gdb_completer_loc_break_characters): New variable. (line_completion_function): If we are completing on locations, back up the start of word pointer past all characters which can appear in a location spec. (location_completer): New function. * completer.h: Add prototype for location_completer. * symtab.c (make_source_files_completion_list) (add_filename_to_list, not_interesting_fname): New functions. (filename_seen): New function, body extracted from output_source_filename. (output_source_filename): Call filename_seen to check if the file was already printed. (make_symbol_completion_list): If TEXT includes a double-quoted string, return an empty list, not NULL. (make_file_symbol_completion_list): New function, similar to make_symbol_completion_list but with an additional argument SRCFILE. * symtab.h (make_file_symbol_completion_list) (make_source_files_completion_list): Add prototypes. * breakpoint.c (_initialize_breakpoint): Make location_completer be the completion function for all commands which set breakpoints and watchpoints. (top-level): #include "completer.h". * tracepoint.c (_initialize_tracepoint): Make location_completer be the completion function for the "trace" command. (top-level): #include "completer.h". * printcmd.c (_initialize_printcmd): Make location_completer be the completion function for the "print", "inspect", "call", and "disassemble" commands. (top-level): #include "completer.h". * infcmd.c (_initialize_infcmd): Make location_completer be the completion function for the "go", "jump", and "until" commands. (top-level): #include "completer.h".
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#include "completer.h" /* for completion functions */
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#include "ui-out.h"
2002-07-11 Daniel Jacobowitz <drow@mvista.com> Based on patch from Daniel Berlin <dberlin@dberlin.org>. * buildsym.c: Include "demangle.h" for SYMBOL_INIT_DEMANGLED_NAME. (finish_block) For non-function blocks, hash the symbol table. For function blocks, mark the symbol table as unhashed. * minsyms.c (msymbol_hash): Return hash value without taking modulus. (msymbol_hash_iw): Likewise. (add_minsym_to_hash_table): Take modulus of msymbol_hash's return value. (add_minsym_to_demangled_hash_table): Likewise for msymbol_hash_iw. (lookup_minimal_symbol): Likewise for both. * symtab.h (struct block): Add `hashtable' flag. Comment the hashtable. (BLOCK_HASHTABLE, BLOCK_BUCKETS, BLOCK_BUCKET): New macro. (ALL_BLOCK_SYMBOLS): Update. (BLOCK_SHOULD_SORT): Do not sort hashed blocks. (struct symbol): Add `hash_next' pointer. * symtab.c (lookup_block_symbol): Search using the hash table when possible. (find_pc_sect_symtab): Use ALL_BLOCK_SYMBOLS. (search_symbols, find_addr_symbol): Likewise. * dstread.c (process_dst_block): Clear hashtable bit for new block. (read_dst_symtab): Likewise. * jv-lang.c (get_java_class_symtab): Likewise. * mdebugread.c: Include "gdb_assert.h". (shrink_block): Assert that the block being modified is not hashed. * coffread.c (patch_opaque_types): Use ALL_BLOCK_SYMBOLS. * symmisc.c (free_symtab_block): Walk the hash table when freeing symbols. (dump_symtab): Recognize hashed blocks. * printcmd.c (print_frame_args): Assert that function blocks do not have hashed symbol tables. * ada-lang.c (symtab_for_sym): Use ALL_BLOCK_SYMBOLS. (fill_in_ada_prototype, debug_print_block): Likewise. (ada_add_block_symbols): Use ALL_BLOCK_SYMBOLS. Handle hash tables.
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#include "gdb_assert.h"
2003-02-19 David Carlton <carlton@math.stanford.edu> * Makefile.in (SFILES): Add block.c. (block_h): New. (COMMON_OBS): Add block.o. (block.o): New. (x86-64-tdep.o): Add $(block_h). (values.o, valops.o, tracepoint.o, symtab.o, symmisc.o, symfile.o) (stack.o, printcmd.o, p-exp.tab.o, parse.o, objfiles.o) (objc-exp.tab.o, objc-lang.o, nlmread.o, mips-tdep.o, mdebugread.o) (m2-exp.tab.o, linespec.o, jv-lang.o, jv-exp.tab.o, infcmd.o) (f-valprint.o, findvar.o, f-exp.tab.o, expprint.o, coffread.o) (c-exp.tab.o, buildsym.o, breakpoint.o, blockframe.o, ax-gdb.o) (alpha-tdep.o, ada-lang.o, ada-exp.tab.o, mi-cmd-stack.o): Ditto. * value.h: Add opaque declaration for struct block. * parser-defs.h, objc-lang.h, buildsym.h, breakpoint.h: Ditto. * ada-lang.h: Ditto. * x86-64-tdep.c: #include "block.h" * values.c, valops.c, tracepoint.c, symtab.c, symmisc.c: Ditto. * symfile.c, stack.c, printcmd.c, p-exp.y, parse.c: Ditto. * objfiles.c, objc-exp.y, objc-lang.c, nlmread.c: Ditto. * mips-tdep.c, mdebugread.c, m2-exp.y, linespec.c: Ditto. * jv-lang.c, jv-exp.y, infcmd.c, f-valprint.c: Ditto. * findvar.c, f-exp.y, expprint.c, coffread.c, c-exp.y: Ditto. * buildsym.c, breakpoint.c, blockframe.c, ax-gdb.c: Ditto. * alpha-tdep.c, ada-lang.c, ada-exp.y: Ditto. * blockframe.c (blockvector_for_pc_sect): Move to "block.c". (blockvector_for_pc, block_for_pc_sect, block_for_pc): Ditto. * symtab.c (block_function): Ditto. (contained_in): Ditto. * frame.h: Move block_for_pc and block_for_pc_sect declarations to block.h. Add opaque declaration for struct block. * symtab.h: Move block_function and contained_in declarations to block.h. Add opaque declarations for struct block, struct blockvector. (struct block): Move to block.h. (struct blockvector): Ditto. (BLOCK_START, BLOCK_END, BLOCK_FUNCTION, BLOCK_SUPERBLOCK) (BLOCK_GCC_COMPILED, BLOCK_HASHTABLE, BLOCK_NSYMS, BLOCK_SYM) (BLOCK_BUCKETS, BLOCK_BUCKET, BLOCK_HASHTABLE_SIZE) (ALL_BLOCK_SYMBOLS, BLOCK_SHOULD_SORT, BLOCKVECTOR_NBLOCKS) (BLOCKVECTOR_BLOCK, GLOBAL_BLOCK, STATIC_BLOCK, FIRST_LOCAL_BLOCK): Ditto. * block.c: New file. * block.h: New file. 2003-02-19 David Carlton <carlton@math.stanford.edu> * mi-cmd-stack.c: #include "block.h"
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#include "block.h"
#include "disasm.h"
extern int asm_demangle; /* Whether to demangle syms in asm printouts */
extern int addressprint; /* Whether to print hex addresses in HLL " */
struct format_data
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{
int count;
char format;
char size;
};
/* Last specified output format. */
static char last_format = 'x';
/* Last specified examination size. 'b', 'h', 'w' or `q'. */
static char last_size = 'w';
/* Default address to examine next. */
static CORE_ADDR next_address;
/* Default section to examine next. */
static asection *next_section;
/* Last address examined. */
static CORE_ADDR last_examine_address;
/* Contents of last address examined.
This is not valid past the end of the `x' command! */
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static struct value *last_examine_value;
/* Largest offset between a symbolic value and an address, that will be
printed as `0x1234 <symbol+offset>'. */
static unsigned int max_symbolic_offset = UINT_MAX;
/* Append the source filename and linenumber of the symbol when
printing a symbolic value as `<symbol at filename:linenum>' if set. */
static int print_symbol_filename = 0;
/* Number of auto-display expression currently being displayed.
So that we can disable it if we get an error or a signal within it.
-1 when not doing one. */
int current_display_number;
/* Flag to low-level print routines that this value is being printed
in an epoch window. We'd like to pass this as a parameter, but
every routine would need to take it. Perhaps we can encapsulate
this in the I/O stream once we have GNU stdio. */
int inspect_it = 0;
struct display
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{
/* Chain link to next auto-display item. */
struct display *next;
/* Expression to be evaluated and displayed. */
struct expression *exp;
/* Item number of this auto-display item. */
int number;
/* Display format specified. */
struct format_data format;
/* Innermost block required by this expression when evaluated */
struct block *block;
/* Status of this display (enabled or disabled) */
int enabled_p;
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};
/* Chain of expressions whose values should be displayed
automatically each time the program stops. */
static struct display *display_chain;
static int display_number;
/* Prototypes for exported functions. */
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void output_command (char *, int);
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void _initialize_printcmd (void);
/* Prototypes for local functions. */
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static void delete_display (int);
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static void enable_display (char *, int);
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static void disable_display_command (char *, int);
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static void printf_command (char *, int);
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static void display_info (char *, int);
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static void do_one_display (struct display *);
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static void undisplay_command (char *, int);
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static void free_display (struct display *);
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static void display_command (char *, int);
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void x_command (char *, int);
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static void address_info (char *, int);
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static void set_command (char *, int);
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static void call_command (char *, int);
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static void inspect_command (char *, int);
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static void print_command (char *, int);
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static void print_command_1 (char *, int, int);
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static void validate_format (struct format_data, char *);
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static void do_examine (struct format_data, CORE_ADDR addr,
asection * section);
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static void print_formatted (struct value *, int, int, struct ui_file *);
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static struct format_data decode_format (char **, int, int);
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static void sym_info (char *, int);
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/* Decode a format specification. *STRING_PTR should point to it.
OFORMAT and OSIZE are used as defaults for the format and size
if none are given in the format specification.
If OSIZE is zero, then the size field of the returned value
should be set only if a size is explicitly specified by the
user.
The structure returned describes all the data
found in the specification. In addition, *STRING_PTR is advanced
past the specification and past all whitespace following it. */
static struct format_data
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decode_format (char **string_ptr, int oformat, int osize)
{
struct format_data val;
char *p = *string_ptr;
val.format = '?';
val.size = '?';
val.count = 1;
if (*p >= '0' && *p <= '9')
val.count = atoi (p);
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while (*p >= '0' && *p <= '9')
p++;
/* Now process size or format letters that follow. */
while (1)
{
if (*p == 'b' || *p == 'h' || *p == 'w' || *p == 'g')
val.size = *p++;
else if (*p >= 'a' && *p <= 'z')
val.format = *p++;
else
break;
}
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while (*p == ' ' || *p == '\t')
p++;
*string_ptr = p;
/* Set defaults for format and size if not specified. */
if (val.format == '?')
{
if (val.size == '?')
{
/* Neither has been specified. */
val.format = oformat;
val.size = osize;
}
else
/* If a size is specified, any format makes a reasonable
default except 'i'. */
val.format = oformat == 'i' ? 'x' : oformat;
}
else if (val.size == '?')
switch (val.format)
{
case 'a':
case 's':
/* Pick the appropriate size for an address. */
if (TARGET_PTR_BIT == 64)
val.size = osize ? 'g' : osize;
else if (TARGET_PTR_BIT == 32)
val.size = osize ? 'w' : osize;
else if (TARGET_PTR_BIT == 16)
val.size = osize ? 'h' : osize;
else
/* Bad value for TARGET_PTR_BIT */
internal_error (__FILE__, __LINE__, "failed internal consistency check");
break;
case 'f':
/* Floating point has to be word or giantword. */
if (osize == 'w' || osize == 'g')
val.size = osize;
else
/* Default it to giantword if the last used size is not
appropriate. */
val.size = osize ? 'g' : osize;
break;
case 'c':
/* Characters default to one byte. */
val.size = osize ? 'b' : osize;
break;
default:
/* The default is the size most recently specified. */
val.size = osize;
}
return val;
}
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/* Print value VAL on stream according to FORMAT, a letter or 0.
Do not end with a newline.
0 means print VAL according to its own type.
SIZE is the letter for the size of datum being printed.
This is used to pad hex numbers so they line up. */
static void
print_formatted (struct value *val, int format, int size,
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struct ui_file *stream)
{
struct type *type = check_typedef (VALUE_TYPE (val));
int len = TYPE_LENGTH (type);
if (VALUE_LVAL (val) == lval_memory)
{
next_address = VALUE_ADDRESS (val) + len;
next_section = VALUE_BFD_SECTION (val);
}
switch (format)
{
case 's':
/* FIXME: Need to handle wchar_t's here... */
next_address = VALUE_ADDRESS (val)
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+ val_print_string (VALUE_ADDRESS (val), -1, 1, stream);
next_section = VALUE_BFD_SECTION (val);
break;
case 'i':
/* The old comment says
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"Force output out, print_insn not using _filtered".
I'm not completely sure what that means, I suspect most print_insn
now do use _filtered, so I guess it's obsolete.
--Yes, it does filter now, and so this is obsolete. -JB */
/* We often wrap here if there are long symbolic names. */
wrap_here (" ");
next_address = VALUE_ADDRESS (val)
+ gdb_print_insn (VALUE_ADDRESS (val), stream);
next_section = VALUE_BFD_SECTION (val);
break;
default:
if (format == 0
|| TYPE_CODE (type) == TYPE_CODE_ARRAY
|| TYPE_CODE (type) == TYPE_CODE_STRING
|| TYPE_CODE (type) == TYPE_CODE_STRUCT
2003-09-11 David Carlton <carlton@kealia.com> * gdbtypes.h: Add TYPE_CODE_NAMESPACE. * gdbtypes.c (init_type): Handle TYPE_CODE_NAMESPACE. (recursive_dump_type): Ditto. * printcmd.c (print_formatted): Ditto. * typeprint.c (print_type_scalar): Ditto. * c-typeprint.c (c_type_print_varspec_prefix): Ditto. (c_type_print_varspec_suffix, c_type_print_base): Ditto. * cp-support.h: Declare cp_check_possible_namespace_symbols, maint_cplus_cmd_list. * cp-support.c: Make maint_cplus_cmd_list extern. * cp-namespace.c: Include objfiles.h, gdbtypes.h, dictionary.h, command.h. (lookup_symbol_file): Look in possible namespace blocks when appropriate. (initialize_namespace_symtab): New. (get_possible_namespace_block, free_namespace_block) (check_possible_namespace_symbols) (check_possible_namespace_symbols_loop) (check_one_possible_namespace_symbol) (lookup_possible_namespace_symbol, maintenance_cplus_namespace) (_initialize_cp_namespace): Ditto. * block.h: Declare allocate_block. * block.c (allocate_block): New. * jv-lang.c (get_java_class_symtab): Allocate blocks via allocate_block. * symfile.h: Update declaration of add_psymbol_to_list. * symfile.c (add_psymbol_to_list): Return the partial symbol in question. * dwarf2read.c (dwarf2_build_psymtabs_hard): Add argument to scan_partial_symbols_call. (scan_partial_symbols): Add NAMESPACE argument; update calls to helper functions. (add_partial_symbol): If necessary, scan mangled names for names of namespaces. (add_partial_namespace): Add NAMESPACE argument; generate partial symbols associated to namespaces. (add_partial_enumeration): Add NAMESPACE argument. (new_symbol): Allow namespace syms. (read_namespace): Generate namespace syms. * objfiles.h: Add opaque declaration of struct symtab. (struct objfile): Add cp_namespace_symtab member. * objfiles.c (allocate_objfile): Set objfile->cp_namespace_symtab. * Makefile.in (cp-namespace.o): Depend on objfiles_h, gdbtypes_h, dictionary_h, command_h. 2003-09-11 David Carlton <carlton@kealia.com> * gdb.c++/namespace.exp: Add tests for namespace types. * gdb.c++/maint.exp (test_help): Test 'help maint cp namespace'. (test_namespace): New.
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|| TYPE_CODE (type) == TYPE_CODE_UNION
|| TYPE_CODE (type) == TYPE_CODE_NAMESPACE)
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/* If format is 0, use the 'natural' format for
* that type of value. If the type is non-scalar,
* we have to use language rules to print it as
* a series of scalars.
*/
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value_print (val, stream, format, Val_pretty_default);
else
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/* User specified format, so don't look to the
* the type to tell us what to do.
*/
print_scalar_formatted (VALUE_CONTENTS (val), type,
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format, size, stream);
}
}
/* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
according to letters FORMAT and SIZE on STREAM.
FORMAT may not be zero. Formats s and i are not supported at this level.
This is how the elements of an array or structure are printed
with a format. */
void
print_scalar_formatted (void *valaddr, struct type *type, int format, int size,
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struct ui_file *stream)
{
LONGEST val_long;
unsigned int len = TYPE_LENGTH (type);
if (len > sizeof (LONGEST)
&& (format == 't'
|| format == 'c'
|| format == 'o'
|| format == 'u'
|| format == 'd'
|| format == 'x'))
{
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if (!TYPE_UNSIGNED (type)
|| !extract_long_unsigned_integer (valaddr, len, &val_long))
{
/* We can't print it normally, but we can print it in hex.
Printing it in the wrong radix is more useful than saying
"use /x, you dummy". */
/* FIXME: we could also do octal or binary if that was the
desired format. */
/* FIXME: we should be using the size field to give us a
minimum field width to print. */
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if (format == 'o')
print_octal_chars (stream, valaddr, len);
else if (format == 'd')
print_decimal_chars (stream, valaddr, len);
else if (format == 't')
print_binary_chars (stream, valaddr, len);
else
/* replace with call to print_hex_chars? Looks
like val_print_type_code_int is redoing
work. - edie */
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val_print_type_code_int (type, valaddr, stream);
return;
}
/* If we get here, extract_long_unsigned_integer set val_long. */
}
else if (format != 'f')
val_long = unpack_long (type, valaddr);
/* If the value is a pointer, and pointers and addresses are not the
same, then at this point, the value's length (in target bytes) is
TARGET_ADDR_BIT/TARGET_CHAR_BIT, not TYPE_LENGTH (type). */
if (TYPE_CODE (type) == TYPE_CODE_PTR)
len = TARGET_ADDR_BIT / TARGET_CHAR_BIT;
/* If we are printing it as unsigned, truncate it in case it is actually
a negative signed value (e.g. "print/u (short)-1" should print 65535
(if shorts are 16 bits) instead of 4294967295). */
if (format != 'd')
{
if (len < sizeof (LONGEST))
val_long &= ((LONGEST) 1 << HOST_CHAR_BIT * len) - 1;
}
switch (format)
{
case 'x':
if (!size)
{
/* no size specified, like in print. Print varying # of digits. */
print_longest (stream, 'x', 1, val_long);
}
else
switch (size)
{
case 'b':
case 'h':
case 'w':
case 'g':
print_longest (stream, size, 1, val_long);
break;
default:
error ("Undefined output size \"%c\".", size);
}
break;
case 'd':
print_longest (stream, 'd', 1, val_long);
break;
case 'u':
print_longest (stream, 'u', 0, val_long);
break;
case 'o':
if (val_long)
print_longest (stream, 'o', 1, val_long);
else
fprintf_filtered (stream, "0");
break;
case 'a':
{
CORE_ADDR addr = unpack_pointer (type, valaddr);
print_address (addr, stream);
}
break;
case 'c':
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value_print (value_from_longest (builtin_type_true_char, val_long),
stream, 0, Val_pretty_default);
break;
case 'f':
if (len == TYPE_LENGTH (builtin_type_float))
type = builtin_type_float;
else if (len == TYPE_LENGTH (builtin_type_double))
type = builtin_type_double;
else if (len == TYPE_LENGTH (builtin_type_long_double))
type = builtin_type_long_double;
print_floating (valaddr, type, stream);
break;
case 0:
internal_error (__FILE__, __LINE__, "failed internal consistency check");
case 't':
/* Binary; 't' stands for "two". */
{
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char bits[8 * (sizeof val_long) + 1];
char buf[8 * (sizeof val_long) + 32];
char *cp = bits;
int width;
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if (!size)
width = 8 * (sizeof val_long);
else
switch (size)
{
case 'b':
width = 8;
break;
case 'h':
width = 16;
break;
case 'w':
width = 32;
break;
case 'g':
width = 64;
break;
default:
error ("Undefined output size \"%c\".", size);
}
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bits[width] = '\0';
while (width-- > 0)
{
bits[width] = (val_long & 1) ? '1' : '0';
val_long >>= 1;
}
if (!size)
{
while (*cp && *cp == '0')
cp++;
if (*cp == '\0')
cp--;
}
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strcpy (buf, local_binary_format_prefix ());
strcat (buf, cp);
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strcat (buf, local_binary_format_suffix ());
fputs_filtered (buf, stream);
}
break;
default:
error ("Undefined output format \"%c\".", format);
}
}
/* Specify default address for `x' command.
`info lines' uses this. */
void
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set_next_address (CORE_ADDR addr)
{
next_address = addr;
/* Make address available to the user as $_. */
set_internalvar (lookup_internalvar ("_"),
* gdbarch.sh (POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Two new functions which architectures can redefine, defaulting to generic_pointer_to_address and generic_address_to_pointer. * findvar.c (extract_typed_address, store_typed_address, generic_pointer_to_address, generic_address_to_pointer): New functions. (POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Provide default definitions. (extract_address, store_address): Doc fixes. * values.c (value_as_pointer): Doc fix. (value_from_pointer): New function. * defs.h (extract_typed_address, store_typed_address): New declarations. * inferior.h (generic_address_to_pointer, generic_pointer_to_address): New declarations. * value.h (value_from_pointer): New declaration. * ax-gdb.c (const_var_ref): Use value_from_pointer, not value_from_longest. * blockframe.c (generic_push_dummy_frame): Use read_pc and read_sp, not read_register. * c-valprint.c (c_val_print): Use extract_typed_address instead of extract_address to extract vtable entries and references. * cp-valprint.c (cp_print_value_fields): Use value_from_pointer instead of value_from_longest to extract the vtable's address. * eval.c (evaluate_subexp_standard): Use value_from_pointer instead of value_from_longest to compute `this', and for doing pointer-to-member dereferencing. * findvar.c (read_register): Use extract_unsigned_integer, not extract_address. (read_var_value): Use store_typed_address instead of store_address for building label values. (locate_var_value): Use value_from_pointer instead of value_from_longest. * hppa-tdep.c (find_stub_with_shl_get): Use value_from_pointer, instead of value_from_longest, to build arguments to __d_shl_get. * printcmd.c (set_next_address): Use value_from_pointer, not value_from_longest. (x_command): Use value_from_pointer, not value_from_longest. * tracepoint.c (set_traceframe_context): Use value_from_pointer, not value_from_longest. * valarith.c (value_add, value_sub): Use value_from_pointer, not value_from_longest. * valops.c (find_function_in_inferior, value_coerce_array, value_coerce_function, value_addr, hand_function_call): Same. * value.h (COERCE_REF): Use unpack_pointer, not unpack_long. * values.c (unpack_long): Use extract_typed_address to produce addresses from pointers and references, not extract_address. (value_from_longest): Use store_typed_address instead of store_address to produce pointer and reference values.
2000-04-14 20:43:41 +02:00
value_from_pointer (lookup_pointer_type (builtin_type_void),
addr));
}
/* Optionally print address ADDR symbolically as <SYMBOL+OFFSET> on STREAM,
after LEADIN. Print nothing if no symbolic name is found nearby.
Optionally also print source file and line number, if available.
DO_DEMANGLE controls whether to print a symbol in its native "raw" form,
or to interpret it as a possible C++ name and convert it back to source
form. However note that DO_DEMANGLE can be overridden by the specific
settings of the demangle and asm_demangle variables. */
void
2000-07-30 03:48:28 +02:00
print_address_symbolic (CORE_ADDR addr, struct ui_file *stream, int do_demangle,
char *leadin)
2000-02-05 08:30:26 +01:00
{
char *name = NULL;
char *filename = NULL;
int unmapped = 0;
int offset = 0;
int line = 0;
/* throw away both name and filename */
struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &name);
make_cleanup (free_current_contents, &filename);
2000-02-05 08:30:26 +01:00
if (build_address_symbolic (addr, do_demangle, &name, &offset, &filename, &line, &unmapped))
{
do_cleanups (cleanup_chain);
return;
}
2000-02-05 08:30:26 +01:00
fputs_filtered (leadin, stream);
if (unmapped)
fputs_filtered ("<*", stream);
else
fputs_filtered ("<", stream);
fputs_filtered (name, stream);
if (offset != 0)
fprintf_filtered (stream, "+%u", (unsigned int) offset);
/* Append source filename and line number if desired. Give specific
line # of this addr, if we have it; else line # of the nearest symbol. */
if (print_symbol_filename && filename != NULL)
{
if (line != -1)
fprintf_filtered (stream, " at %s:%d", filename, line);
else
fprintf_filtered (stream, " in %s", filename);
}
if (unmapped)
fputs_filtered ("*>", stream);
else
fputs_filtered (">", stream);
do_cleanups (cleanup_chain);
}
/* Given an address ADDR return all the elements needed to print the
address in a symbolic form. NAME can be mangled or not depending
on DO_DEMANGLE (and also on the asm_demangle global variable,
manipulated via ''set print asm-demangle''). Return 0 in case of
success, when all the info in the OUT paramters is valid. Return 1
otherwise. */
int
build_address_symbolic (CORE_ADDR addr, /* IN */
int do_demangle, /* IN */
char **name, /* OUT */
int *offset, /* OUT */
char **filename, /* OUT */
int *line, /* OUT */
int *unmapped) /* OUT */
{
struct minimal_symbol *msymbol;
struct symbol *symbol;
struct symtab *symtab = 0;
CORE_ADDR name_location = 0;
asection *section = 0;
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char *name_temp = "";
/* Let's say it is unmapped. */
*unmapped = 0;
2000-02-05 08:30:26 +01:00
/* Determine if the address is in an overlay, and whether it is
mapped. */
if (overlay_debugging)
{
section = find_pc_overlay (addr);
if (pc_in_unmapped_range (addr, section))
{
2000-02-05 08:30:26 +01:00
*unmapped = 1;
addr = overlay_mapped_address (addr, section);
}
}
/* First try to find the address in the symbol table, then
in the minsyms. Take the closest one. */
/* This is defective in the sense that it only finds text symbols. So
really this is kind of pointless--we should make sure that the
minimal symbols have everything we need (by changing that we could
save some memory, but for many debug format--ELF/DWARF or
anything/stabs--it would be inconvenient to eliminate those minimal
symbols anyway). */
msymbol = lookup_minimal_symbol_by_pc_section (addr, section);
symbol = find_pc_sect_function (addr, section);
if (symbol)
{
name_location = BLOCK_START (SYMBOL_BLOCK_VALUE (symbol));
if (do_demangle || asm_demangle)
2003-02-20 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_PRINT_NAME): Rename from SYMBOL_SOURCE_NAME; expand comment. * ada-lang.c (user_select_syms, ada_finish_decode_line_1): Replace SYMBOL_PRINT_NAME with SYMBOL_SOURCE_NAME. * ada-typeprint.c (ada_typedef_print): Ditto. * ax-gdb.c (gen_var_ref): Ditto. * breakpoint.c (print_one_breakpoint): Ditto. * buildsym.c (finish_block): Ditto. * c-valprint.c (c_val_print): Ditto. * expprint.c (print_subexp): Ditto. * findvar.c (locate_var_value): Ditto. * infcmd.c (jump_command): Ditto. * linespec.c (decode_line_2, decode_compound): Ditto. * maint.c (maintenance_translate_address): Ditto. * objc-lang.c (compare_selectors, compare_classes): Ditto. * printcmd.c (build_address_symbolic, sym_info, print_frame_args): Ditto. * p-valprint.c (pascal_val_print): Ditto. * stabsread.c (define_symbol): Ditto. * stack.c (print_frame, frame_info, print_block_frame_locals) (print_frame_arg_vars, return_command): Ditto. * symfile.c (compare_symbols, compare_psymbols): Ditto. * symmisc.c (print_symbol): Ditto. * symtab.c (lookup_partial_symbol, lookup_block_symbol) (compare_search_syms, print_symbol_info, print_msymbol_info) (rbreak_command): Ditto. * tracepoint.c (tracepoints_info): Ditto. * typeprint.c (typedef_print): Ditto. * valops.c (value_of_variable, hand_function_call): Ditto. * cli/cli-cmds.c (edit_command, list_command): Ditto. * ada-typeprint.c: Update Copyright. * infcmd.c, objc-lang.c, p-valprint.c, symmisc.c: Ditto. * tracepoint.c, cli/cli-cmds.c: Ditto.
2003-02-20 18:17:25 +01:00
name_temp = SYMBOL_PRINT_NAME (symbol);
else
2003-02-25 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_NATURAL_NAME): New macro. (SYMBOL_LINKAGE_NAME): Ditto. (SYMBOL_PRINT_NAME): Use SYMBOL_NATURAL_NAME and SYMBOL_LINKAGE_NAME. (struct general_symbol_info): Expand comment. (DEPRECATED_SYMBOL_NAME): Rename from SYMBOL_NAME. (SYMBOL_MATCHES_NAME): Use DEPRECATED_SYMBOL_NAME. (SYMBOL_MATCHES_REGEXP): Ditto. * symtab.c (symbol_natural_name): New function. * objfiles.h: Replace all uses of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * xcoffread.c, valops.c, typeprint.c, tracepoint.c: Ditto. * symtab.c, symmisc.c, symfile.c, stack.c, stabsread.c: Ditto. * somsolib.c, sol-thread.c, rs6000-tdep.c, p-valprint.c: Ditto. * printcmd.c, objfiles.c, objc-lang.c, mipsread.c: Ditto. * minsyms.c, mdebugread.c, linespec.c, jv-lang.c: Ditto. * i386-tdep.c, i386-linux-tdep.c, hpread.c, hppa-tdep.c: Ditto. * gnu-v2-abi.c, f-valprint.c, findvar.c, expprint.c: Ditto. * dwarfread.c, dwarf2read.c, dbxread.c, c-valprint.c: Ditto. * cp-valprint.c, coffread.c, buildsym.c, breakpoint.c: Ditto. * blockframe.c, ax-gdb.c, arm-linux-tdep.c, ada-lang.c: Ditto. * ada-exp.y: Ditto. * ada-exp.y: Update copyright. * sol-thread.c, mipsread.c, jv-lang.c, f-valprint.c: Ditto. * cp-valprint.c: Ditto. 2003-02-25 David Carlton <carlton@math.stanford.edu> * generic/gdbtk.h: Replace all instances of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Ditto. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Update copyright. 2003-02-25 David Carlton <carlton@math.stanford.edu> * mi-cmd-stack.c: Replace all instances of SYMBOL_NAME with DEPRECATED_SYMBOL_NAME. Update copyright.
2003-02-25 22:36:23 +01:00
name_temp = DEPRECATED_SYMBOL_NAME (symbol);
}
if (msymbol != NULL)
{
if (SYMBOL_VALUE_ADDRESS (msymbol) > name_location || symbol == NULL)
{
/* The msymbol is closer to the address than the symbol;
use the msymbol instead. */
symbol = 0;
symtab = 0;
name_location = SYMBOL_VALUE_ADDRESS (msymbol);
if (do_demangle || asm_demangle)
2003-02-20 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_PRINT_NAME): Rename from SYMBOL_SOURCE_NAME; expand comment. * ada-lang.c (user_select_syms, ada_finish_decode_line_1): Replace SYMBOL_PRINT_NAME with SYMBOL_SOURCE_NAME. * ada-typeprint.c (ada_typedef_print): Ditto. * ax-gdb.c (gen_var_ref): Ditto. * breakpoint.c (print_one_breakpoint): Ditto. * buildsym.c (finish_block): Ditto. * c-valprint.c (c_val_print): Ditto. * expprint.c (print_subexp): Ditto. * findvar.c (locate_var_value): Ditto. * infcmd.c (jump_command): Ditto. * linespec.c (decode_line_2, decode_compound): Ditto. * maint.c (maintenance_translate_address): Ditto. * objc-lang.c (compare_selectors, compare_classes): Ditto. * printcmd.c (build_address_symbolic, sym_info, print_frame_args): Ditto. * p-valprint.c (pascal_val_print): Ditto. * stabsread.c (define_symbol): Ditto. * stack.c (print_frame, frame_info, print_block_frame_locals) (print_frame_arg_vars, return_command): Ditto. * symfile.c (compare_symbols, compare_psymbols): Ditto. * symmisc.c (print_symbol): Ditto. * symtab.c (lookup_partial_symbol, lookup_block_symbol) (compare_search_syms, print_symbol_info, print_msymbol_info) (rbreak_command): Ditto. * tracepoint.c (tracepoints_info): Ditto. * typeprint.c (typedef_print): Ditto. * valops.c (value_of_variable, hand_function_call): Ditto. * cli/cli-cmds.c (edit_command, list_command): Ditto. * ada-typeprint.c: Update Copyright. * infcmd.c, objc-lang.c, p-valprint.c, symmisc.c: Ditto. * tracepoint.c, cli/cli-cmds.c: Ditto.
2003-02-20 18:17:25 +01:00
name_temp = SYMBOL_PRINT_NAME (msymbol);
else
2003-02-25 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_NATURAL_NAME): New macro. (SYMBOL_LINKAGE_NAME): Ditto. (SYMBOL_PRINT_NAME): Use SYMBOL_NATURAL_NAME and SYMBOL_LINKAGE_NAME. (struct general_symbol_info): Expand comment. (DEPRECATED_SYMBOL_NAME): Rename from SYMBOL_NAME. (SYMBOL_MATCHES_NAME): Use DEPRECATED_SYMBOL_NAME. (SYMBOL_MATCHES_REGEXP): Ditto. * symtab.c (symbol_natural_name): New function. * objfiles.h: Replace all uses of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * xcoffread.c, valops.c, typeprint.c, tracepoint.c: Ditto. * symtab.c, symmisc.c, symfile.c, stack.c, stabsread.c: Ditto. * somsolib.c, sol-thread.c, rs6000-tdep.c, p-valprint.c: Ditto. * printcmd.c, objfiles.c, objc-lang.c, mipsread.c: Ditto. * minsyms.c, mdebugread.c, linespec.c, jv-lang.c: Ditto. * i386-tdep.c, i386-linux-tdep.c, hpread.c, hppa-tdep.c: Ditto. * gnu-v2-abi.c, f-valprint.c, findvar.c, expprint.c: Ditto. * dwarfread.c, dwarf2read.c, dbxread.c, c-valprint.c: Ditto. * cp-valprint.c, coffread.c, buildsym.c, breakpoint.c: Ditto. * blockframe.c, ax-gdb.c, arm-linux-tdep.c, ada-lang.c: Ditto. * ada-exp.y: Ditto. * ada-exp.y: Update copyright. * sol-thread.c, mipsread.c, jv-lang.c, f-valprint.c: Ditto. * cp-valprint.c: Ditto. 2003-02-25 David Carlton <carlton@math.stanford.edu> * generic/gdbtk.h: Replace all instances of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Ditto. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Update copyright. 2003-02-25 David Carlton <carlton@math.stanford.edu> * mi-cmd-stack.c: Replace all instances of SYMBOL_NAME with DEPRECATED_SYMBOL_NAME. Update copyright.
2003-02-25 22:36:23 +01:00
name_temp = DEPRECATED_SYMBOL_NAME (msymbol);
}
}
if (symbol == NULL && msymbol == NULL)
2000-02-05 08:30:26 +01:00
return 1;
/* If the nearest symbol is too far away, don't print anything symbolic. */
/* For when CORE_ADDR is larger than unsigned int, we do math in
CORE_ADDR. But when we detect unsigned wraparound in the
CORE_ADDR math, we ignore this test and print the offset,
because addr+max_symbolic_offset has wrapped through the end
of the address space back to the beginning, giving bogus comparison. */
if (addr > name_location + max_symbolic_offset
&& name_location + max_symbolic_offset > name_location)
2000-02-05 08:30:26 +01:00
return 1;
2000-02-05 08:30:26 +01:00
*offset = addr - name_location;
*name = xstrdup (name_temp);
if (print_symbol_filename)
{
struct symtab_and_line sal;
sal = find_pc_sect_line (addr, section, 0);
if (sal.symtab)
2000-02-05 08:30:26 +01:00
{
*filename = xstrdup (sal.symtab->filename);
*line = sal.line;
}
else if (symtab && symbol && symbol->line)
2000-02-05 08:30:26 +01:00
{
*filename = xstrdup (symtab->filename);
*line = symbol->line;
}
else if (symtab)
2000-02-05 08:30:26 +01:00
{
*filename = xstrdup (symtab->filename);
*line = -1;
}
}
2000-02-05 08:30:26 +01:00
return 0;
}
/* Print address ADDR on STREAM. USE_LOCAL means the same thing as for
print_longest. */
void
2000-07-30 03:48:28 +02:00
print_address_numeric (CORE_ADDR addr, int use_local, struct ui_file *stream)
{
/* Truncate address to the size of a target address, avoiding shifts
larger or equal than the width of a CORE_ADDR. The local
variable ADDR_BIT stops the compiler reporting a shift overflow
when it won't occur. */
/* NOTE: This assumes that the significant address information is
kept in the least significant bits of ADDR - the upper bits were
either zero or sign extended. Should ADDRESS_TO_POINTER() or
some ADDRESS_TO_PRINTABLE() be used to do the conversion? */
int addr_bit = TARGET_ADDR_BIT;
if (addr_bit < (sizeof (CORE_ADDR) * HOST_CHAR_BIT))
addr &= ((CORE_ADDR) 1 << addr_bit) - 1;
print_longest (stream, 'x', use_local, (ULONGEST) addr);
}
/* Print address ADDR symbolically on STREAM.
First print it as a number. Then perhaps print
<SYMBOL + OFFSET> after the number. */
void
2000-07-30 03:48:28 +02:00
print_address (CORE_ADDR addr, struct ui_file *stream)
{
print_address_numeric (addr, 1, stream);
print_address_symbolic (addr, stream, asm_demangle, " ");
}
/* Print address ADDR symbolically on STREAM. Parameter DEMANGLE
controls whether to print the symbolic name "raw" or demangled.
Global setting "addressprint" controls whether to print hex address
or not. */
void
2000-07-30 03:48:28 +02:00
print_address_demangle (CORE_ADDR addr, struct ui_file *stream, int do_demangle)
{
if (addr == 0)
{
fprintf_filtered (stream, "0");
}
else if (addressprint)
{
print_address_numeric (addr, 1, stream);
print_address_symbolic (addr, stream, do_demangle, " ");
}
else
{
print_address_symbolic (addr, stream, do_demangle, "");
}
}
/* These are the types that $__ will get after an examine command of one
of these sizes. */
static struct type *examine_i_type;
static struct type *examine_b_type;
static struct type *examine_h_type;
static struct type *examine_w_type;
static struct type *examine_g_type;
/* Examine data at address ADDR in format FMT.
Fetch it from memory and print on gdb_stdout. */
static void
2000-07-30 03:48:28 +02:00
do_examine (struct format_data fmt, CORE_ADDR addr, asection *sect)
{
char format = 0;
char size;
int count = 1;
struct type *val_type = NULL;
int i;
int maxelts;
format = fmt.format;
size = fmt.size;
count = fmt.count;
next_address = addr;
next_section = sect;
/* String or instruction format implies fetch single bytes
regardless of the specified size. */
if (format == 's' || format == 'i')
size = 'b';
if (format == 'i')
val_type = examine_i_type;
else if (size == 'b')
val_type = examine_b_type;
else if (size == 'h')
val_type = examine_h_type;
else if (size == 'w')
val_type = examine_w_type;
else if (size == 'g')
val_type = examine_g_type;
maxelts = 8;
if (size == 'w')
maxelts = 4;
if (size == 'g')
maxelts = 2;
if (format == 's' || format == 'i')
maxelts = 1;
/* Print as many objects as specified in COUNT, at most maxelts per line,
with the address of the next one at the start of each line. */
while (count > 0)
{
QUIT;
print_address (next_address, gdb_stdout);
printf_filtered (":");
for (i = maxelts;
i > 0 && count > 0;
i--, count--)
{
printf_filtered ("\t");
/* Note that print_formatted sets next_address for the next
object. */
last_examine_address = next_address;
if (last_examine_value)
value_free (last_examine_value);
/* The value to be displayed is not fetched greedily.
1999-07-07 22:19:36 +02:00
Instead, to avoid the posibility of a fetched value not
being used, its retreval is delayed until the print code
uses it. When examining an instruction stream, the
disassembler will perform its own memory fetch using just
the address stored in LAST_EXAMINE_VALUE. FIXME: Should
the disassembler be modified so that LAST_EXAMINE_VALUE
is left with the byte sequence from the last complete
instruction fetched from memory? */
last_examine_value = value_at_lazy (val_type, next_address, sect);
if (last_examine_value)
release_value (last_examine_value);
1999-10-06 01:13:56 +02:00
print_formatted (last_examine_value, format, size, gdb_stdout);
}
printf_filtered ("\n");
gdb_flush (gdb_stdout);
}
}
static void
2000-07-30 03:48:28 +02:00
validate_format (struct format_data fmt, char *cmdname)
{
if (fmt.size != 0)
error ("Size letters are meaningless in \"%s\" command.", cmdname);
if (fmt.count != 1)
error ("Item count other than 1 is meaningless in \"%s\" command.",
cmdname);
if (fmt.format == 'i' || fmt.format == 's')
error ("Format letter \"%c\" is meaningless in \"%s\" command.",
fmt.format, cmdname);
}
/* Evaluate string EXP as an expression in the current language and
1999-07-07 22:19:36 +02:00
print the resulting value. EXP may contain a format specifier as the
first argument ("/x myvar" for example, to print myvar in hex).
*/
static void
2000-07-30 03:48:28 +02:00
print_command_1 (char *exp, int inspect, int voidprint)
{
struct expression *expr;
struct cleanup *old_chain = 0;
char format = 0;
2001-11-10 22:34:56 +01:00
struct value *val;
struct format_data fmt;
int cleanup = 0;
/* Pass inspect flag to the rest of the print routines in a global (sigh). */
inspect_it = inspect;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, last_format, 0);
validate_format (fmt, "print");
last_format = format = fmt.format;
}
else
{
fmt.count = 1;
fmt.format = 0;
fmt.size = 0;
}
if (exp && *exp)
{
struct type *type;
expr = parse_expression (exp);
old_chain = make_cleanup (free_current_contents, &expr);
cleanup = 1;
val = evaluate_expression (expr);
}
else
val = access_value_history (0);
if (voidprint || (val && VALUE_TYPE (val) &&
1999-07-07 22:19:36 +02:00
TYPE_CODE (VALUE_TYPE (val)) != TYPE_CODE_VOID))
{
int histindex = record_latest_value (val);
if (histindex >= 0)
annotate_value_history_begin (histindex, VALUE_TYPE (val));
else
annotate_value_begin (VALUE_TYPE (val));
if (inspect)
printf_unfiltered ("\031(gdb-makebuffer \"%s\" %d '(\"", exp, histindex);
1999-07-07 22:19:36 +02:00
else if (histindex >= 0)
printf_filtered ("$%d = ", histindex);
if (histindex >= 0)
annotate_value_history_value ();
1999-10-06 01:13:56 +02:00
print_formatted (val, format, fmt.size, gdb_stdout);
printf_filtered ("\n");
if (histindex >= 0)
annotate_value_history_end ();
else
annotate_value_end ();
if (inspect)
1999-07-07 22:19:36 +02:00
printf_unfiltered ("\") )\030");
}
if (cleanup)
do_cleanups (old_chain);
1999-07-07 22:19:36 +02:00
inspect_it = 0; /* Reset print routines to normal */
}
static void
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print_command (char *exp, int from_tty)
{
print_command_1 (exp, 0, 1);
}
/* Same as print, except in epoch, it gets its own window */
static void
2000-07-30 03:48:28 +02:00
inspect_command (char *exp, int from_tty)
{
extern int epoch_interface;
print_command_1 (exp, epoch_interface, 1);
}
/* Same as print, except it doesn't print void results. */
static void
2000-07-30 03:48:28 +02:00
call_command (char *exp, int from_tty)
{
print_command_1 (exp, 0, 0);
}
void
2000-07-30 03:48:28 +02:00
output_command (char *exp, int from_tty)
{
struct expression *expr;
struct cleanup *old_chain;
char format = 0;
2001-11-10 22:34:56 +01:00
struct value *val;
struct format_data fmt;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, 0, 0);
validate_format (fmt, "output");
format = fmt.format;
}
expr = parse_expression (exp);
old_chain = make_cleanup (free_current_contents, &expr);
val = evaluate_expression (expr);
annotate_value_begin (VALUE_TYPE (val));
1999-10-06 01:13:56 +02:00
print_formatted (val, format, fmt.size, gdb_stdout);
annotate_value_end ();
1999-10-06 01:13:56 +02:00
wrap_here ("");
gdb_flush (gdb_stdout);
do_cleanups (old_chain);
}
static void
2000-07-30 03:48:28 +02:00
set_command (char *exp, int from_tty)
{
struct expression *expr = parse_expression (exp);
struct cleanup *old_chain =
make_cleanup (free_current_contents, &expr);
evaluate_expression (expr);
do_cleanups (old_chain);
}
static void
2000-07-30 03:48:28 +02:00
sym_info (char *arg, int from_tty)
{
struct minimal_symbol *msymbol;
1999-07-07 22:19:36 +02:00
struct objfile *objfile;
struct obj_section *osect;
asection *sect;
CORE_ADDR addr, sect_addr;
int matches = 0;
unsigned int offset;
if (!arg)
error_no_arg ("address");
addr = parse_and_eval_address (arg);
ALL_OBJSECTIONS (objfile, osect)
1999-07-07 22:19:36 +02:00
{
sect = osect->the_bfd_section;
sect_addr = overlay_mapped_address (addr, sect);
1999-07-07 22:19:36 +02:00
if (osect->addr <= sect_addr && sect_addr < osect->endaddr &&
(msymbol = lookup_minimal_symbol_by_pc_section (sect_addr, sect)))
{
matches = 1;
offset = sect_addr - SYMBOL_VALUE_ADDRESS (msymbol);
if (offset)
printf_filtered ("%s + %u in ",
2003-02-20 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_PRINT_NAME): Rename from SYMBOL_SOURCE_NAME; expand comment. * ada-lang.c (user_select_syms, ada_finish_decode_line_1): Replace SYMBOL_PRINT_NAME with SYMBOL_SOURCE_NAME. * ada-typeprint.c (ada_typedef_print): Ditto. * ax-gdb.c (gen_var_ref): Ditto. * breakpoint.c (print_one_breakpoint): Ditto. * buildsym.c (finish_block): Ditto. * c-valprint.c (c_val_print): Ditto. * expprint.c (print_subexp): Ditto. * findvar.c (locate_var_value): Ditto. * infcmd.c (jump_command): Ditto. * linespec.c (decode_line_2, decode_compound): Ditto. * maint.c (maintenance_translate_address): Ditto. * objc-lang.c (compare_selectors, compare_classes): Ditto. * printcmd.c (build_address_symbolic, sym_info, print_frame_args): Ditto. * p-valprint.c (pascal_val_print): Ditto. * stabsread.c (define_symbol): Ditto. * stack.c (print_frame, frame_info, print_block_frame_locals) (print_frame_arg_vars, return_command): Ditto. * symfile.c (compare_symbols, compare_psymbols): Ditto. * symmisc.c (print_symbol): Ditto. * symtab.c (lookup_partial_symbol, lookup_block_symbol) (compare_search_syms, print_symbol_info, print_msymbol_info) (rbreak_command): Ditto. * tracepoint.c (tracepoints_info): Ditto. * typeprint.c (typedef_print): Ditto. * valops.c (value_of_variable, hand_function_call): Ditto. * cli/cli-cmds.c (edit_command, list_command): Ditto. * ada-typeprint.c: Update Copyright. * infcmd.c, objc-lang.c, p-valprint.c, symmisc.c: Ditto. * tracepoint.c, cli/cli-cmds.c: Ditto.
2003-02-20 18:17:25 +01:00
SYMBOL_PRINT_NAME (msymbol), offset);
1999-07-07 22:19:36 +02:00
else
printf_filtered ("%s in ",
2003-02-20 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_PRINT_NAME): Rename from SYMBOL_SOURCE_NAME; expand comment. * ada-lang.c (user_select_syms, ada_finish_decode_line_1): Replace SYMBOL_PRINT_NAME with SYMBOL_SOURCE_NAME. * ada-typeprint.c (ada_typedef_print): Ditto. * ax-gdb.c (gen_var_ref): Ditto. * breakpoint.c (print_one_breakpoint): Ditto. * buildsym.c (finish_block): Ditto. * c-valprint.c (c_val_print): Ditto. * expprint.c (print_subexp): Ditto. * findvar.c (locate_var_value): Ditto. * infcmd.c (jump_command): Ditto. * linespec.c (decode_line_2, decode_compound): Ditto. * maint.c (maintenance_translate_address): Ditto. * objc-lang.c (compare_selectors, compare_classes): Ditto. * printcmd.c (build_address_symbolic, sym_info, print_frame_args): Ditto. * p-valprint.c (pascal_val_print): Ditto. * stabsread.c (define_symbol): Ditto. * stack.c (print_frame, frame_info, print_block_frame_locals) (print_frame_arg_vars, return_command): Ditto. * symfile.c (compare_symbols, compare_psymbols): Ditto. * symmisc.c (print_symbol): Ditto. * symtab.c (lookup_partial_symbol, lookup_block_symbol) (compare_search_syms, print_symbol_info, print_msymbol_info) (rbreak_command): Ditto. * tracepoint.c (tracepoints_info): Ditto. * typeprint.c (typedef_print): Ditto. * valops.c (value_of_variable, hand_function_call): Ditto. * cli/cli-cmds.c (edit_command, list_command): Ditto. * ada-typeprint.c: Update Copyright. * infcmd.c, objc-lang.c, p-valprint.c, symmisc.c: Ditto. * tracepoint.c, cli/cli-cmds.c: Ditto.
2003-02-20 18:17:25 +01:00
SYMBOL_PRINT_NAME (msymbol));
1999-07-07 22:19:36 +02:00
if (pc_in_unmapped_range (addr, sect))
printf_filtered ("load address range of ");
if (section_is_overlay (sect))
printf_filtered ("%s overlay ",
section_is_mapped (sect) ? "mapped" : "unmapped");
printf_filtered ("section %s", sect->name);
printf_filtered ("\n");
}
}
if (matches == 0)
printf_filtered ("No symbol matches %s.\n", arg);
}
static void
2000-07-30 03:48:28 +02:00
address_info (char *exp, int from_tty)
{
struct symbol *sym;
struct minimal_symbol *msymbol;
long val;
long basereg;
asection *section;
CORE_ADDR load_addr;
int is_a_field_of_this; /* C++: lookup_symbol sets this to nonzero
if exp is a field of `this'. */
if (exp == 0)
error ("Argument required.");
sym = lookup_symbol (exp, get_selected_block (0), VAR_DOMAIN,
1999-07-07 22:19:36 +02:00
&is_a_field_of_this, (struct symtab **) NULL);
if (sym == NULL)
{
if (is_a_field_of_this)
{
printf_filtered ("Symbol \"");
fprintf_symbol_filtered (gdb_stdout, exp,
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is a field of the local class variable ");
if (current_language->la_language == language_objc)
printf_filtered ("`self'\n"); /* ObjC equivalent of "this" */
else
printf_filtered ("`this'\n");
return;
}
msymbol = lookup_minimal_symbol (exp, NULL, NULL);
if (msymbol != NULL)
{
load_addr = SYMBOL_VALUE_ADDRESS (msymbol);
printf_filtered ("Symbol \"");
fprintf_symbol_filtered (gdb_stdout, exp,
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in a file compiled without debugging");
section = SYMBOL_BFD_SECTION (msymbol);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
printf_filtered (".\n");
}
else
error ("No symbol \"%s\" in current context.", exp);
return;
}
printf_filtered ("Symbol \"");
2003-02-25 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_NATURAL_NAME): New macro. (SYMBOL_LINKAGE_NAME): Ditto. (SYMBOL_PRINT_NAME): Use SYMBOL_NATURAL_NAME and SYMBOL_LINKAGE_NAME. (struct general_symbol_info): Expand comment. (DEPRECATED_SYMBOL_NAME): Rename from SYMBOL_NAME. (SYMBOL_MATCHES_NAME): Use DEPRECATED_SYMBOL_NAME. (SYMBOL_MATCHES_REGEXP): Ditto. * symtab.c (symbol_natural_name): New function. * objfiles.h: Replace all uses of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * xcoffread.c, valops.c, typeprint.c, tracepoint.c: Ditto. * symtab.c, symmisc.c, symfile.c, stack.c, stabsread.c: Ditto. * somsolib.c, sol-thread.c, rs6000-tdep.c, p-valprint.c: Ditto. * printcmd.c, objfiles.c, objc-lang.c, mipsread.c: Ditto. * minsyms.c, mdebugread.c, linespec.c, jv-lang.c: Ditto. * i386-tdep.c, i386-linux-tdep.c, hpread.c, hppa-tdep.c: Ditto. * gnu-v2-abi.c, f-valprint.c, findvar.c, expprint.c: Ditto. * dwarfread.c, dwarf2read.c, dbxread.c, c-valprint.c: Ditto. * cp-valprint.c, coffread.c, buildsym.c, breakpoint.c: Ditto. * blockframe.c, ax-gdb.c, arm-linux-tdep.c, ada-lang.c: Ditto. * ada-exp.y: Ditto. * ada-exp.y: Update copyright. * sol-thread.c, mipsread.c, jv-lang.c, f-valprint.c: Ditto. * cp-valprint.c: Ditto. 2003-02-25 David Carlton <carlton@math.stanford.edu> * generic/gdbtk.h: Replace all instances of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Ditto. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Update copyright. 2003-02-25 David Carlton <carlton@math.stanford.edu> * mi-cmd-stack.c: Replace all instances of SYMBOL_NAME with DEPRECATED_SYMBOL_NAME. Update copyright.
2003-02-25 22:36:23 +01:00
fprintf_symbol_filtered (gdb_stdout, DEPRECATED_SYMBOL_NAME (sym),
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is ");
1999-07-07 22:19:36 +02:00
val = SYMBOL_VALUE (sym);
basereg = SYMBOL_BASEREG (sym);
section = SYMBOL_BFD_SECTION (sym);
switch (SYMBOL_CLASS (sym))
{
case LOC_CONST:
case LOC_CONST_BYTES:
printf_filtered ("constant");
break;
case LOC_LABEL:
printf_filtered ("a label at address ");
1999-07-07 22:19:36 +02:00
print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (sym),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
break;
case LOC_COMPUTED:
case LOC_COMPUTED_ARG:
(SYMBOL_LOCATION_FUNCS (sym)->describe_location) (sym, gdb_stdout);
break;
case LOC_REGISTER:
printf_filtered ("a variable in register %s", REGISTER_NAME (val));
break;
case LOC_STATIC:
printf_filtered ("static storage at address ");
1999-07-07 22:19:36 +02:00
print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (sym),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
break;
case LOC_INDIRECT:
printf_filtered ("external global (indirect addressing), at address *(");
print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (sym),
1, gdb_stdout);
printf_filtered (")");
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
break;
case LOC_REGPARM:
printf_filtered ("an argument in register %s", REGISTER_NAME (val));
break;
case LOC_REGPARM_ADDR:
printf_filtered ("address of an argument in register %s", REGISTER_NAME (val));
break;
case LOC_ARG:
printf_filtered ("an argument at offset %ld", val);
break;
case LOC_LOCAL_ARG:
printf_filtered ("an argument at frame offset %ld", val);
break;
case LOC_LOCAL:
printf_filtered ("a local variable at frame offset %ld", val);
break;
case LOC_REF_ARG:
printf_filtered ("a reference argument at offset %ld", val);
break;
case LOC_BASEREG:
printf_filtered ("a variable at offset %ld from register %s",
1999-07-07 22:19:36 +02:00
val, REGISTER_NAME (basereg));
break;
case LOC_BASEREG_ARG:
printf_filtered ("an argument at offset %ld from register %s",
1999-07-07 22:19:36 +02:00
val, REGISTER_NAME (basereg));
break;
case LOC_TYPEDEF:
printf_filtered ("a typedef");
break;
case LOC_BLOCK:
printf_filtered ("a function at address ");
1999-07-07 22:19:36 +02:00
print_address_numeric (load_addr = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
break;
case LOC_UNRESOLVED:
{
struct minimal_symbol *msym;
2003-02-25 David Carlton <carlton@math.stanford.edu> * symtab.h (SYMBOL_NATURAL_NAME): New macro. (SYMBOL_LINKAGE_NAME): Ditto. (SYMBOL_PRINT_NAME): Use SYMBOL_NATURAL_NAME and SYMBOL_LINKAGE_NAME. (struct general_symbol_info): Expand comment. (DEPRECATED_SYMBOL_NAME): Rename from SYMBOL_NAME. (SYMBOL_MATCHES_NAME): Use DEPRECATED_SYMBOL_NAME. (SYMBOL_MATCHES_REGEXP): Ditto. * symtab.c (symbol_natural_name): New function. * objfiles.h: Replace all uses of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * xcoffread.c, valops.c, typeprint.c, tracepoint.c: Ditto. * symtab.c, symmisc.c, symfile.c, stack.c, stabsread.c: Ditto. * somsolib.c, sol-thread.c, rs6000-tdep.c, p-valprint.c: Ditto. * printcmd.c, objfiles.c, objc-lang.c, mipsread.c: Ditto. * minsyms.c, mdebugread.c, linespec.c, jv-lang.c: Ditto. * i386-tdep.c, i386-linux-tdep.c, hpread.c, hppa-tdep.c: Ditto. * gnu-v2-abi.c, f-valprint.c, findvar.c, expprint.c: Ditto. * dwarfread.c, dwarf2read.c, dbxread.c, c-valprint.c: Ditto. * cp-valprint.c, coffread.c, buildsym.c, breakpoint.c: Ditto. * blockframe.c, ax-gdb.c, arm-linux-tdep.c, ada-lang.c: Ditto. * ada-exp.y: Ditto. * ada-exp.y: Update copyright. * sol-thread.c, mipsread.c, jv-lang.c, f-valprint.c: Ditto. * cp-valprint.c: Ditto. 2003-02-25 David Carlton <carlton@math.stanford.edu> * generic/gdbtk.h: Replace all instances of SYMBOL_NAME by DEPRECATED_SYMBOL_NAME. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Ditto. * generic/gdbtk-stack.c, generic/gdbtk-cmds.c: Update copyright. 2003-02-25 David Carlton <carlton@math.stanford.edu> * mi-cmd-stack.c: Replace all instances of SYMBOL_NAME with DEPRECATED_SYMBOL_NAME. Update copyright.
2003-02-25 22:36:23 +01:00
msym = lookup_minimal_symbol (DEPRECATED_SYMBOL_NAME (sym), NULL, NULL);
if (msym == NULL)
printf_filtered ("unresolved");
else
{
section = SYMBOL_BFD_SECTION (msym);
printf_filtered ("static storage at address ");
1999-07-07 22:19:36 +02:00
print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (msym),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
}
}
break;
case LOC_HP_THREAD_LOCAL_STATIC:
printf_filtered (
1999-07-07 22:19:36 +02:00
"a thread-local variable at offset %ld from the thread base register %s",
val, REGISTER_NAME (basereg));
break;
case LOC_OPTIMIZED_OUT:
printf_filtered ("optimized out");
break;
1999-07-07 22:19:36 +02:00
default:
printf_filtered ("of unknown (botched) type");
break;
}
printf_filtered (".\n");
}
void
2000-07-30 03:48:28 +02:00
x_command (char *exp, int from_tty)
{
struct expression *expr;
struct format_data fmt;
struct cleanup *old_chain;
struct value *val;
fmt.format = last_format;
fmt.size = last_size;
fmt.count = 1;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, last_format, last_size);
}
/* If we have an expression, evaluate it and use it as the address. */
if (exp != 0 && *exp != 0)
{
expr = parse_expression (exp);
/* Cause expression not to be there any more
1999-07-07 22:19:36 +02:00
if this command is repeated with Newline.
But don't clobber a user-defined command's definition. */
if (from_tty)
*exp = 0;
old_chain = make_cleanup (free_current_contents, &expr);
val = evaluate_expression (expr);
if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_REF)
val = value_ind (val);
/* In rvalue contexts, such as this, functions are coerced into
1999-07-07 22:19:36 +02:00
pointers to functions. This makes "x/i main" work. */
if (/* last_format == 'i' && */
TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_FUNC
1999-07-07 22:19:36 +02:00
&& VALUE_LVAL (val) == lval_memory)
next_address = VALUE_ADDRESS (val);
else
next_address = value_as_address (val);
if (VALUE_BFD_SECTION (val))
next_section = VALUE_BFD_SECTION (val);
do_cleanups (old_chain);
}
do_examine (fmt, next_address, next_section);
/* If the examine succeeds, we remember its size and format for next time. */
last_size = fmt.size;
last_format = fmt.format;
/* Set a couple of internal variables if appropriate. */
if (last_examine_value)
{
/* Make last address examined available to the user as $_. Use
1999-07-07 22:19:36 +02:00
the correct pointer type. */
* gdbarch.sh (POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Two new functions which architectures can redefine, defaulting to generic_pointer_to_address and generic_address_to_pointer. * findvar.c (extract_typed_address, store_typed_address, generic_pointer_to_address, generic_address_to_pointer): New functions. (POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Provide default definitions. (extract_address, store_address): Doc fixes. * values.c (value_as_pointer): Doc fix. (value_from_pointer): New function. * defs.h (extract_typed_address, store_typed_address): New declarations. * inferior.h (generic_address_to_pointer, generic_pointer_to_address): New declarations. * value.h (value_from_pointer): New declaration. * ax-gdb.c (const_var_ref): Use value_from_pointer, not value_from_longest. * blockframe.c (generic_push_dummy_frame): Use read_pc and read_sp, not read_register. * c-valprint.c (c_val_print): Use extract_typed_address instead of extract_address to extract vtable entries and references. * cp-valprint.c (cp_print_value_fields): Use value_from_pointer instead of value_from_longest to extract the vtable's address. * eval.c (evaluate_subexp_standard): Use value_from_pointer instead of value_from_longest to compute `this', and for doing pointer-to-member dereferencing. * findvar.c (read_register): Use extract_unsigned_integer, not extract_address. (read_var_value): Use store_typed_address instead of store_address for building label values. (locate_var_value): Use value_from_pointer instead of value_from_longest. * hppa-tdep.c (find_stub_with_shl_get): Use value_from_pointer, instead of value_from_longest, to build arguments to __d_shl_get. * printcmd.c (set_next_address): Use value_from_pointer, not value_from_longest. (x_command): Use value_from_pointer, not value_from_longest. * tracepoint.c (set_traceframe_context): Use value_from_pointer, not value_from_longest. * valarith.c (value_add, value_sub): Use value_from_pointer, not value_from_longest. * valops.c (find_function_in_inferior, value_coerce_array, value_coerce_function, value_addr, hand_function_call): Same. * value.h (COERCE_REF): Use unpack_pointer, not unpack_long. * values.c (unpack_long): Use extract_typed_address to produce addresses from pointers and references, not extract_address. (value_from_longest): Use store_typed_address instead of store_address to produce pointer and reference values.
2000-04-14 20:43:41 +02:00
struct type *pointer_type
= lookup_pointer_type (VALUE_TYPE (last_examine_value));
set_internalvar (lookup_internalvar ("_"),
* gdbarch.sh (POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Two new functions which architectures can redefine, defaulting to generic_pointer_to_address and generic_address_to_pointer. * findvar.c (extract_typed_address, store_typed_address, generic_pointer_to_address, generic_address_to_pointer): New functions. (POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Provide default definitions. (extract_address, store_address): Doc fixes. * values.c (value_as_pointer): Doc fix. (value_from_pointer): New function. * defs.h (extract_typed_address, store_typed_address): New declarations. * inferior.h (generic_address_to_pointer, generic_pointer_to_address): New declarations. * value.h (value_from_pointer): New declaration. * ax-gdb.c (const_var_ref): Use value_from_pointer, not value_from_longest. * blockframe.c (generic_push_dummy_frame): Use read_pc and read_sp, not read_register. * c-valprint.c (c_val_print): Use extract_typed_address instead of extract_address to extract vtable entries and references. * cp-valprint.c (cp_print_value_fields): Use value_from_pointer instead of value_from_longest to extract the vtable's address. * eval.c (evaluate_subexp_standard): Use value_from_pointer instead of value_from_longest to compute `this', and for doing pointer-to-member dereferencing. * findvar.c (read_register): Use extract_unsigned_integer, not extract_address. (read_var_value): Use store_typed_address instead of store_address for building label values. (locate_var_value): Use value_from_pointer instead of value_from_longest. * hppa-tdep.c (find_stub_with_shl_get): Use value_from_pointer, instead of value_from_longest, to build arguments to __d_shl_get. * printcmd.c (set_next_address): Use value_from_pointer, not value_from_longest. (x_command): Use value_from_pointer, not value_from_longest. * tracepoint.c (set_traceframe_context): Use value_from_pointer, not value_from_longest. * valarith.c (value_add, value_sub): Use value_from_pointer, not value_from_longest. * valops.c (find_function_in_inferior, value_coerce_array, value_coerce_function, value_addr, hand_function_call): Same. * value.h (COERCE_REF): Use unpack_pointer, not unpack_long. * values.c (unpack_long): Use extract_typed_address to produce addresses from pointers and references, not extract_address. (value_from_longest): Use store_typed_address instead of store_address to produce pointer and reference values.
2000-04-14 20:43:41 +02:00
value_from_pointer (pointer_type,
last_examine_address));
1999-07-07 22:19:36 +02:00
/* Make contents of last address examined available to the user as $__. */
/* If the last value has not been fetched from memory then don't
fetch it now - instead mark it by voiding the $__ variable. */
if (VALUE_LAZY (last_examine_value))
set_internalvar (lookup_internalvar ("__"),
allocate_value (builtin_type_void));
else
set_internalvar (lookup_internalvar ("__"), last_examine_value);
}
}
1999-07-07 22:19:36 +02:00
/* Add an expression to the auto-display chain.
Specify the expression. */
static void
2000-07-30 03:48:28 +02:00
display_command (char *exp, int from_tty)
{
struct format_data fmt;
struct expression *expr;
struct display *new;
int display_it = 1;
#if defined(TUI)
/* NOTE: cagney/2003-02-13 The `tui_active' was previously
`tui_version'. */
if (tui_active && *exp == '$')
display_it = (tui_set_layout (exp) == TUI_FAILURE);
#endif
if (display_it)
{
if (exp == 0)
{
do_displays ();
return;
}
if (*exp == '/')
{
exp++;
fmt = decode_format (&exp, 0, 0);
if (fmt.size && fmt.format == 0)
fmt.format = 'x';
if (fmt.format == 'i' || fmt.format == 's')
fmt.size = 'b';
}
else
{
fmt.format = 0;
fmt.size = 0;
fmt.count = 0;
}
innermost_block = 0;
expr = parse_expression (exp);
new = (struct display *) xmalloc (sizeof (struct display));
new->exp = expr;
new->block = innermost_block;
new->next = display_chain;
new->number = ++display_number;
new->format = fmt;
new->enabled_p = 1;
display_chain = new;
if (from_tty && target_has_execution)
do_one_display (new);
dont_repeat ();
}
}
static void
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free_display (struct display *d)
{
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xfree (d->exp);
xfree (d);
}
/* Clear out the display_chain.
Done when new symtabs are loaded, since this invalidates
the types stored in many expressions. */
void
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clear_displays (void)
{
struct display *d;
while ((d = display_chain) != NULL)
{
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xfree (d->exp);
display_chain = d->next;
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xfree (d);
}
}
/* Delete the auto-display number NUM. */
static void
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delete_display (int num)
{
struct display *d1, *d;
if (!display_chain)
error ("No display number %d.", num);
if (display_chain->number == num)
{
d1 = display_chain;
display_chain = d1->next;
free_display (d1);
}
else
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for (d = display_chain;; d = d->next)
{
if (d->next == 0)
error ("No display number %d.", num);
if (d->next->number == num)
{
d1 = d->next;
d->next = d1->next;
free_display (d1);
break;
}
}
}
/* Delete some values from the auto-display chain.
Specify the element numbers. */
static void
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undisplay_command (char *args, int from_tty)
{
char *p = args;
char *p1;
int num;
if (args == 0)
{
if (query ("Delete all auto-display expressions? "))
clear_displays ();
dont_repeat ();
return;
}
while (*p)
{
p1 = p;
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while (*p1 >= '0' && *p1 <= '9')
p1++;
if (*p1 && *p1 != ' ' && *p1 != '\t')
error ("Arguments must be display numbers.");
num = atoi (p);
delete_display (num);
p = p1;
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while (*p == ' ' || *p == '\t')
p++;
}
dont_repeat ();
}
/* Display a single auto-display.
Do nothing if the display cannot be printed in the current context,
or if the display is disabled. */
static void
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do_one_display (struct display *d)
{
int within_current_scope;
if (d->enabled_p == 0)
return;
if (d->block)
within_current_scope = contained_in (get_selected_block (0), d->block);
else
within_current_scope = 1;
if (!within_current_scope)
return;
current_display_number = d->number;
annotate_display_begin ();
printf_filtered ("%d", d->number);
annotate_display_number_end ();
printf_filtered (": ");
if (d->format.size)
{
CORE_ADDR addr;
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struct value *val;
annotate_display_format ();
printf_filtered ("x/");
if (d->format.count != 1)
printf_filtered ("%d", d->format.count);
printf_filtered ("%c", d->format.format);
if (d->format.format != 'i' && d->format.format != 's')
printf_filtered ("%c", d->format.size);
printf_filtered (" ");
annotate_display_expression ();
print_expression (d->exp, gdb_stdout);
annotate_display_expression_end ();
if (d->format.count != 1)
printf_filtered ("\n");
else
printf_filtered (" ");
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val = evaluate_expression (d->exp);
addr = value_as_address (val);
if (d->format.format == 'i')
addr = ADDR_BITS_REMOVE (addr);
annotate_display_value ();
do_examine (d->format, addr, VALUE_BFD_SECTION (val));
}
else
{
annotate_display_format ();
if (d->format.format)
printf_filtered ("/%c ", d->format.format);
annotate_display_expression ();
print_expression (d->exp, gdb_stdout);
annotate_display_expression_end ();
printf_filtered (" = ");
annotate_display_expression ();
print_formatted (evaluate_expression (d->exp),
1999-10-06 01:13:56 +02:00
d->format.format, d->format.size, gdb_stdout);
printf_filtered ("\n");
}
annotate_display_end ();
gdb_flush (gdb_stdout);
current_display_number = -1;
}
/* Display all of the values on the auto-display chain which can be
evaluated in the current scope. */
void
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do_displays (void)
{
struct display *d;
for (d = display_chain; d; d = d->next)
do_one_display (d);
}
/* Delete the auto-display which we were in the process of displaying.
This is done when there is an error or a signal. */
void
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disable_display (int num)
{
struct display *d;
for (d = display_chain; d; d = d->next)
if (d->number == num)
{
d->enabled_p = 0;
return;
}
printf_unfiltered ("No display number %d.\n", num);
}
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void
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disable_current_display (void)
{
if (current_display_number >= 0)
{
disable_display (current_display_number);
fprintf_unfiltered (gdb_stderr, "Disabling display %d to avoid infinite recursion.\n",
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current_display_number);
}
current_display_number = -1;
}
static void
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display_info (char *ignore, int from_tty)
{
struct display *d;
if (!display_chain)
printf_unfiltered ("There are no auto-display expressions now.\n");
else
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printf_filtered ("Auto-display expressions now in effect:\n\
Num Enb Expression\n");
for (d = display_chain; d; d = d->next)
{
printf_filtered ("%d: %c ", d->number, "ny"[(int) d->enabled_p]);
if (d->format.size)
printf_filtered ("/%d%c%c ", d->format.count, d->format.size,
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d->format.format);
else if (d->format.format)
printf_filtered ("/%c ", d->format.format);
print_expression (d->exp, gdb_stdout);
if (d->block && !contained_in (get_selected_block (0), d->block))
printf_filtered (" (cannot be evaluated in the current context)");
printf_filtered ("\n");
gdb_flush (gdb_stdout);
}
}
static void
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enable_display (char *args, int from_tty)
{
char *p = args;
char *p1;
int num;
struct display *d;
if (p == 0)
{
for (d = display_chain; d; d = d->next)
d->enabled_p = 1;
}
else
while (*p)
{
p1 = p;
while (*p1 >= '0' && *p1 <= '9')
p1++;
if (*p1 && *p1 != ' ' && *p1 != '\t')
error ("Arguments must be display numbers.");
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num = atoi (p);
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for (d = display_chain; d; d = d->next)
if (d->number == num)
{
d->enabled_p = 1;
goto win;
}
printf_unfiltered ("No display number %d.\n", num);
win:
p = p1;
while (*p == ' ' || *p == '\t')
p++;
}
}
static void
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disable_display_command (char *args, int from_tty)
{
char *p = args;
char *p1;
struct display *d;
if (p == 0)
{
for (d = display_chain; d; d = d->next)
d->enabled_p = 0;
}
else
while (*p)
{
p1 = p;
while (*p1 >= '0' && *p1 <= '9')
p1++;
if (*p1 && *p1 != ' ' && *p1 != '\t')
error ("Arguments must be display numbers.");
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disable_display (atoi (p));
p = p1;
while (*p == ' ' || *p == '\t')
p++;
}
}
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/* Print the value in stack frame FRAME of a variable
specified by a struct symbol. */
void
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print_variable_value (struct symbol *var, struct frame_info *frame,
struct ui_file *stream)
{
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struct value *val = read_var_value (var, frame);
value_print (val, stream, 0, Val_pretty_default);
}
static void
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printf_command (char *arg, int from_tty)
{
char *f = NULL;
char *s = arg;
char *string = NULL;
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struct value **val_args;
char *substrings;
char *current_substring;
int nargs = 0;
int allocated_args = 20;
struct cleanup *old_cleanups;
val_args = (struct value **) xmalloc (allocated_args
* sizeof (struct value *));
old_cleanups = make_cleanup (free_current_contents, &val_args);
if (s == 0)
error_no_arg ("format-control string and values to print");
/* Skip white space before format string */
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while (*s == ' ' || *s == '\t')
s++;
/* A format string should follow, enveloped in double quotes */
if (*s++ != '"')
error ("Bad format string, missing '\"'.");
/* Parse the format-control string and copy it into the string STRING,
processing some kinds of escape sequence. */
f = string = (char *) alloca (strlen (s) + 1);
while (*s != '"')
{
int c = *s++;
switch (c)
{
case '\0':
error ("Bad format string, non-terminated '\"'.");
case '\\':
switch (c = *s++)
{
case '\\':
*f++ = '\\';
break;
case 'a':
*f++ = '\a';
break;
case 'b':
*f++ = '\b';
break;
case 'f':
*f++ = '\f';
break;
case 'n':
*f++ = '\n';
break;
case 'r':
*f++ = '\r';
break;
case 't':
*f++ = '\t';
break;
case 'v':
*f++ = '\v';
break;
case '"':
*f++ = '"';
break;
default:
/* ??? TODO: handle other escape sequences */
error ("Unrecognized escape character \\%c in format string.",
c);
}
break;
default:
*f++ = c;
}
}
/* Skip over " and following space and comma. */
s++;
*f++ = '\0';
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while (*s == ' ' || *s == '\t')
s++;
if (*s != ',' && *s != 0)
error ("Invalid argument syntax");
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if (*s == ',')
s++;
while (*s == ' ' || *s == '\t')
s++;
/* Need extra space for the '\0's. Doubling the size is sufficient. */
substrings = alloca (strlen (string) * 2);
current_substring = substrings;
{
/* Now scan the string for %-specs and see what kinds of args they want.
argclass[I] classifies the %-specs so we can give printf_filtered
something of the right size. */
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enum argclass
{
no_arg, int_arg, string_arg, double_arg, long_long_arg
};
enum argclass *argclass;
enum argclass this_argclass;
char *last_arg;
int nargs_wanted;
int lcount;
int i;
argclass = (enum argclass *) alloca (strlen (s) * sizeof *argclass);
nargs_wanted = 0;
f = string;
last_arg = string;
while (*f)
if (*f++ == '%')
{
lcount = 0;
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while (strchr ("0123456789.hlL-+ #", *f))
{
if (*f == 'l' || *f == 'L')
lcount++;
f++;
}
switch (*f)
{
case 's':
this_argclass = string_arg;
break;
case 'e':
case 'f':
case 'g':
this_argclass = double_arg;
break;
case '*':
error ("`*' not supported for precision or width in printf");
case 'n':
error ("Format specifier `n' not supported in printf");
case '%':
this_argclass = no_arg;
break;
default:
if (lcount > 1)
this_argclass = long_long_arg;
else
this_argclass = int_arg;
break;
}
f++;
if (this_argclass != no_arg)
{
strncpy (current_substring, last_arg, f - last_arg);
current_substring += f - last_arg;
*current_substring++ = '\0';
last_arg = f;
argclass[nargs_wanted++] = this_argclass;
}
}
/* Now, parse all arguments and evaluate them.
Store the VALUEs in VAL_ARGS. */
while (*s != '\0')
{
char *s1;
if (nargs == allocated_args)
val_args = (struct value **) xrealloc ((char *) val_args,
(allocated_args *= 2)
* sizeof (struct value *));
s1 = s;
val_args[nargs] = parse_to_comma_and_eval (&s1);
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/* If format string wants a float, unchecked-convert the value to
floating point of the same size */
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if (argclass[nargs] == double_arg)
{
struct type *type = VALUE_TYPE (val_args[nargs]);
if (TYPE_LENGTH (type) == sizeof (float))
1999-07-07 22:19:36 +02:00
VALUE_TYPE (val_args[nargs]) = builtin_type_float;
if (TYPE_LENGTH (type) == sizeof (double))
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VALUE_TYPE (val_args[nargs]) = builtin_type_double;
}
nargs++;
s = s1;
if (*s == ',')
s++;
}
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if (nargs != nargs_wanted)
error ("Wrong number of arguments for specified format-string");
/* Now actually print them. */
current_substring = substrings;
for (i = 0; i < nargs; i++)
{
switch (argclass[i])
{
case string_arg:
{
char *str;
CORE_ADDR tem;
int j;
tem = value_as_address (val_args[i]);
/* This is a %s argument. Find the length of the string. */
1999-07-07 22:19:36 +02:00
for (j = 0;; j++)
{
char c;
QUIT;
read_memory (tem + j, &c, 1);
if (c == 0)
break;
}
/* Copy the string contents into a string inside GDB. */
str = (char *) alloca (j + 1);
if (j != 0)
read_memory (tem, str, j);
str[j] = 0;
printf_filtered (current_substring, str);
}
break;
case double_arg:
{
double val = value_as_double (val_args[i]);
printf_filtered (current_substring, val);
break;
}
case long_long_arg:
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
{
long long val = value_as_long (val_args[i]);
printf_filtered (current_substring, val);
break;
}
#else
error ("long long not supported in printf");
#endif
case int_arg:
{
/* FIXME: there should be separate int_arg and long_arg. */
long val = value_as_long (val_args[i]);
printf_filtered (current_substring, val);
break;
}
1999-07-07 22:19:36 +02:00
default: /* purecov: deadcode */
error ("internal error in printf_command"); /* purecov: deadcode */
}
/* Skip to the next substring. */
current_substring += strlen (current_substring) + 1;
}
/* Print the portion of the format string after the last argument. */
puts_filtered (last_arg);
}
do_cleanups (old_cleanups);
}
void
2000-07-30 03:48:28 +02:00
_initialize_printcmd (void)
{
* completer.c (gdb_completer_loc_break_characters): New variable. (line_completion_function): If we are completing on locations, back up the start of word pointer past all characters which can appear in a location spec. (location_completer): New function. * completer.h: Add prototype for location_completer. * symtab.c (make_source_files_completion_list) (add_filename_to_list, not_interesting_fname): New functions. (filename_seen): New function, body extracted from output_source_filename. (output_source_filename): Call filename_seen to check if the file was already printed. (make_symbol_completion_list): If TEXT includes a double-quoted string, return an empty list, not NULL. (make_file_symbol_completion_list): New function, similar to make_symbol_completion_list but with an additional argument SRCFILE. * symtab.h (make_file_symbol_completion_list) (make_source_files_completion_list): Add prototypes. * breakpoint.c (_initialize_breakpoint): Make location_completer be the completion function for all commands which set breakpoints and watchpoints. (top-level): #include "completer.h". * tracepoint.c (_initialize_tracepoint): Make location_completer be the completion function for the "trace" command. (top-level): #include "completer.h". * printcmd.c (_initialize_printcmd): Make location_completer be the completion function for the "print", "inspect", "call", and "disassemble" commands. (top-level): #include "completer.h". * infcmd.c (_initialize_infcmd): Make location_completer be the completion function for the "go", "jump", and "until" commands. (top-level): #include "completer.h".
2001-06-11 18:05:25 +02:00
struct cmd_list_element *c;
current_display_number = -1;
add_info ("address", address_info,
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"Describe where symbol SYM is stored.");
1999-07-07 22:19:36 +02:00
add_info ("symbol", sym_info,
"Describe what symbol is at location ADDR.\n\
Only for symbols with fixed locations (global or static scope).");
add_com ("x", class_vars, x_command,
concat ("Examine memory: x/FMT ADDRESS.\n\
ADDRESS is an expression for the memory address to examine.\n\
FMT is a repeat count followed by a format letter and a size letter.\n\
Format letters are o(octal), x(hex), d(decimal), u(unsigned decimal),\n\
t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n",
1999-07-07 22:19:36 +02:00
"Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
The specified number of objects of the specified size are printed\n\
according to the format.\n\n\
Defaults for format and size letters are those previously used.\n\
Default count is 1. Default address is following last thing printed\n\
with this command or \"print\".", NULL));
#if 0
add_com ("whereis", class_vars, whereis_command,
"Print line number and file of definition of variable.");
#endif
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add_info ("display", display_info,
"Expressions to display when program stops, with code numbers.");
add_cmd ("undisplay", class_vars, undisplay_command,
"Cancel some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to stop displaying.\n\
No argument means cancel all automatic-display expressions.\n\
\"delete display\" has the same effect as this command.\n\
Do \"info display\" to see current list of code numbers.",
1999-07-07 22:19:36 +02:00
&cmdlist);
add_com ("display", class_vars, display_command,
"Print value of expression EXP each time the program stops.\n\
/FMT may be used before EXP as in the \"print\" command.\n\
/FMT \"i\" or \"s\" or including a size-letter is allowed,\n\
as in the \"x\" command, and then EXP is used to get the address to examine\n\
and examining is done as in the \"x\" command.\n\n\
With no argument, display all currently requested auto-display expressions.\n\
Use \"undisplay\" to cancel display requests previously made."
1999-07-07 22:19:36 +02:00
);
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add_cmd ("display", class_vars, enable_display,
"Enable some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to resume displaying.\n\
No argument means enable all automatic-display expressions.\n\
Do \"info display\" to see current list of code numbers.", &enablelist);
1999-07-07 22:19:36 +02:00
add_cmd ("display", class_vars, disable_display_command,
"Disable some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to stop displaying.\n\
No argument means disable all automatic-display expressions.\n\
Do \"info display\" to see current list of code numbers.", &disablelist);
1999-07-07 22:19:36 +02:00
add_cmd ("display", class_vars, undisplay_command,
"Cancel some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to stop displaying.\n\
No argument means cancel all automatic-display expressions.\n\
Do \"info display\" to see current list of code numbers.", &deletelist);
add_com ("printf", class_vars, printf_command,
1999-07-07 22:19:36 +02:00
"printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
This is useful for formatted output in user-defined commands.");
add_com ("output", class_vars, output_command,
"Like \"print\" but don't put in value history and don't print newline.\n\
This is useful in user-defined commands.");
add_prefix_cmd ("set", class_vars, set_command,
1999-07-07 22:19:36 +02:00
concat ("Evaluate expression EXP and assign result to variable VAR, using assignment\n\
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
example). VAR may be a debugger \"convenience\" variable (names starting\n\
with $), a register (a few standard names starting with $), or an actual\n\
variable in the program being debugged. EXP is any valid expression.\n",
1999-07-07 22:19:36 +02:00
"Use \"set variable\" for variables with names identical to set subcommands.\n\
\nWith a subcommand, this command modifies parts of the gdb environment.\n\
You can see these environment settings with the \"show\" command.", NULL),
1999-07-07 22:19:36 +02:00
&setlist, "set ", 1, &cmdlist);
if (dbx_commands)
1999-07-07 22:19:36 +02:00
add_com ("assign", class_vars, set_command, concat ("Evaluate expression \
EXP and assign result to variable VAR, using assignment\n\
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
example). VAR may be a debugger \"convenience\" variable (names starting\n\
with $), a register (a few standard names starting with $), or an actual\n\
variable in the program being debugged. EXP is any valid expression.\n",
1999-07-07 22:19:36 +02:00
"Use \"set variable\" for variables with names identical to set subcommands.\n\
\nWith a subcommand, this command modifies parts of the gdb environment.\n\
You can see these environment settings with the \"show\" command.", NULL));
/* "call" is the same as "set", but handy for dbx users to call fns. */
* completer.c (gdb_completer_loc_break_characters): New variable. (line_completion_function): If we are completing on locations, back up the start of word pointer past all characters which can appear in a location spec. (location_completer): New function. * completer.h: Add prototype for location_completer. * symtab.c (make_source_files_completion_list) (add_filename_to_list, not_interesting_fname): New functions. (filename_seen): New function, body extracted from output_source_filename. (output_source_filename): Call filename_seen to check if the file was already printed. (make_symbol_completion_list): If TEXT includes a double-quoted string, return an empty list, not NULL. (make_file_symbol_completion_list): New function, similar to make_symbol_completion_list but with an additional argument SRCFILE. * symtab.h (make_file_symbol_completion_list) (make_source_files_completion_list): Add prototypes. * breakpoint.c (_initialize_breakpoint): Make location_completer be the completion function for all commands which set breakpoints and watchpoints. (top-level): #include "completer.h". * tracepoint.c (_initialize_tracepoint): Make location_completer be the completion function for the "trace" command. (top-level): #include "completer.h". * printcmd.c (_initialize_printcmd): Make location_completer be the completion function for the "print", "inspect", "call", and "disassemble" commands. (top-level): #include "completer.h". * infcmd.c (_initialize_infcmd): Make location_completer be the completion function for the "go", "jump", and "until" commands. (top-level): #include "completer.h".
2001-06-11 18:05:25 +02:00
c = add_com ("call", class_vars, call_command,
"Call a function in the program.\n\
The argument is the function name and arguments, in the notation of the\n\
current working language. The result is printed and saved in the value\n\
history, if it is not void.");
set_cmd_completer (c, location_completer);
add_cmd ("variable", class_vars, set_command,
1999-07-07 22:19:36 +02:00
"Evaluate expression EXP and assign result to variable VAR, using assignment\n\
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
example). VAR may be a debugger \"convenience\" variable (names starting\n\
with $), a register (a few standard names starting with $), or an actual\n\
variable in the program being debugged. EXP is any valid expression.\n\
This may usually be abbreviated to simply \"set\".",
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&setlist);
* completer.c (gdb_completer_loc_break_characters): New variable. (line_completion_function): If we are completing on locations, back up the start of word pointer past all characters which can appear in a location spec. (location_completer): New function. * completer.h: Add prototype for location_completer. * symtab.c (make_source_files_completion_list) (add_filename_to_list, not_interesting_fname): New functions. (filename_seen): New function, body extracted from output_source_filename. (output_source_filename): Call filename_seen to check if the file was already printed. (make_symbol_completion_list): If TEXT includes a double-quoted string, return an empty list, not NULL. (make_file_symbol_completion_list): New function, similar to make_symbol_completion_list but with an additional argument SRCFILE. * symtab.h (make_file_symbol_completion_list) (make_source_files_completion_list): Add prototypes. * breakpoint.c (_initialize_breakpoint): Make location_completer be the completion function for all commands which set breakpoints and watchpoints. (top-level): #include "completer.h". * tracepoint.c (_initialize_tracepoint): Make location_completer be the completion function for the "trace" command. (top-level): #include "completer.h". * printcmd.c (_initialize_printcmd): Make location_completer be the completion function for the "print", "inspect", "call", and "disassemble" commands. (top-level): #include "completer.h". * infcmd.c (_initialize_infcmd): Make location_completer be the completion function for the "go", "jump", and "until" commands. (top-level): #include "completer.h".
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c = add_com ("print", class_vars, print_command,
concat ("Print value of expression EXP.\n\
Variables accessible are those of the lexical environment of the selected\n\
stack frame, plus all those whose scope is global or an entire file.\n\
\n\
$NUM gets previous value number NUM. $ and $$ are the last two values.\n\
$$NUM refers to NUM'th value back from the last one.\n\
Names starting with $ refer to registers (with the values they would have\n",
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"if the program were to return to the stack frame now selected, restoring\n\
all registers saved by frames farther in) or else to debugger\n\
\"convenience\" variables (any such name not a known register).\n\
Use assignment expressions to give values to convenience variables.\n",
"\n\
{TYPE}ADREXP refers to a datum of data type TYPE, located at address ADREXP.\n\
@ is a binary operator for treating consecutive data objects\n\
anywhere in memory as an array. FOO@NUM gives an array whose first\n\
element is FOO, whose second element is stored in the space following\n\
where FOO is stored, etc. FOO must be an expression whose value\n\
resides in memory.\n",
"\n\
EXP may be preceded with /FMT, where FMT is a format letter\n\
but no count or size letter (see \"x\" command).", NULL));
set_cmd_completer (c, location_completer);
add_com_alias ("p", "print", class_vars, 1);
* completer.c (gdb_completer_loc_break_characters): New variable. (line_completion_function): If we are completing on locations, back up the start of word pointer past all characters which can appear in a location spec. (location_completer): New function. * completer.h: Add prototype for location_completer. * symtab.c (make_source_files_completion_list) (add_filename_to_list, not_interesting_fname): New functions. (filename_seen): New function, body extracted from output_source_filename. (output_source_filename): Call filename_seen to check if the file was already printed. (make_symbol_completion_list): If TEXT includes a double-quoted string, return an empty list, not NULL. (make_file_symbol_completion_list): New function, similar to make_symbol_completion_list but with an additional argument SRCFILE. * symtab.h (make_file_symbol_completion_list) (make_source_files_completion_list): Add prototypes. * breakpoint.c (_initialize_breakpoint): Make location_completer be the completion function for all commands which set breakpoints and watchpoints. (top-level): #include "completer.h". * tracepoint.c (_initialize_tracepoint): Make location_completer be the completion function for the "trace" command. (top-level): #include "completer.h". * printcmd.c (_initialize_printcmd): Make location_completer be the completion function for the "print", "inspect", "call", and "disassemble" commands. (top-level): #include "completer.h". * infcmd.c (_initialize_infcmd): Make location_completer be the completion function for the "go", "jump", and "until" commands. (top-level): #include "completer.h".
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c = add_com ("inspect", class_vars, inspect_command,
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"Same as \"print\" command, except that if you are running in the epoch\n\
environment, the value is printed in its own window.");
set_cmd_completer (c, location_completer);
add_show_from_set (
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add_set_cmd ("max-symbolic-offset", no_class, var_uinteger,
(char *) &max_symbolic_offset,
"Set the largest offset that will be printed in <symbol+1234> form.",
&setprintlist),
&showprintlist);
add_show_from_set (
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add_set_cmd ("symbol-filename", no_class, var_boolean,
(char *) &print_symbol_filename,
"Set printing of source filename and line number with <symbol>.",
&setprintlist),
&showprintlist);
/* For examine/instruction a single byte quantity is specified as
the data. This avoids problems with value_at_lazy() requiring a
valid data type (and rejecting VOID). */
examine_i_type = init_type (TYPE_CODE_INT, 1, 0, "examine_i_type", NULL);
examine_b_type = init_type (TYPE_CODE_INT, 1, 0, "examine_b_type", NULL);
examine_h_type = init_type (TYPE_CODE_INT, 2, 0, "examine_h_type", NULL);
examine_w_type = init_type (TYPE_CODE_INT, 4, 0, "examine_w_type", NULL);
examine_g_type = init_type (TYPE_CODE_INT, 8, 0, "examine_g_type", NULL);
}