/* Objective-C language support routines for GDB, the GNU debugger.
- Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
Contributed by Apple Computer, Inc.
Written by Michael Snyder.
#include "expression.h"
#include "parser-defs.h"
#include "language.h"
+#include "varobj.h"
#include "c-lang.h"
#include "objc-lang.h"
-#include "exceptions.h"
#include "complaints.h"
#include "value.h"
#include "symfile.h"
#include "objfiles.h"
-#include "gdb_string.h" /* for strchr */
#include "target.h" /* for target_has_execution */
#include "gdbcore.h"
#include "gdbcmd.h"
#include "block.h"
#include "infcall.h"
#include "valprint.h"
-#include "gdb_assert.h"
+#include "cli/cli-utils.h"
#include <ctype.h>
+#include <algorithm>
struct objc_object {
CORE_ADDR isa;
struct objc_super {
CORE_ADDR receiver;
- CORE_ADDR class;
+ CORE_ADDR theclass;
};
struct objc_method {
CORE_ADDR imp;
};
-static const struct objfile_data *objc_objfile_data;
+static const struct objfile_key<unsigned int> objc_objfile_data;
/* Lookup a structure type named "struct NAME", visible in lexical
block BLOCK. If NOERR is nonzero, return zero if NAME is not
suitably defined. */
struct symbol *
-lookup_struct_typedef (char *name, struct block *block, int noerr)
+lookup_struct_typedef (const char *name, const struct block *block, int noerr)
{
struct symbol *sym;
- sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0);
+ sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0).symbol;
if (sym == NULL)
{
else
error (_("No struct type named %s."), name);
}
- if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT)
+ if (SYMBOL_TYPE (sym)->code () != TYPE_CODE_STRUCT)
{
if (noerr)
return 0;
}
CORE_ADDR
-lookup_objc_class (struct gdbarch *gdbarch, char *classname)
+lookup_objc_class (struct gdbarch *gdbarch, const char *classname)
{
struct type *char_type = builtin_type (gdbarch)->builtin_char;
struct value * function, *classval;
return 0;
}
- if (lookup_minimal_symbol("objc_lookUpClass", 0, 0))
+ if (lookup_minimal_symbol("objc_lookUpClass", 0, 0).minsym)
function = find_function_in_inferior("objc_lookUpClass", NULL);
- else if (lookup_minimal_symbol ("objc_lookup_class", 0, 0))
+ else if (lookup_minimal_symbol ("objc_lookup_class", 0, 0).minsym)
function = find_function_in_inferior("objc_lookup_class", NULL);
else
{
- complaint (&symfile_complaints, _("no way to lookup Objective-C classes"));
+ complaint (_("no way to lookup Objective-C classes"));
return 0;
}
classval = value_string (classname, strlen (classname) + 1, char_type);
classval = value_coerce_array (classval);
- return (CORE_ADDR) value_as_long (call_function_by_hand (function,
- 1, &classval));
+ return (CORE_ADDR) value_as_long (call_function_by_hand (function,
+ NULL,
+ classval));
}
CORE_ADDR
-lookup_child_selector (struct gdbarch *gdbarch, char *selname)
+lookup_child_selector (struct gdbarch *gdbarch, const char *selname)
{
struct type *char_type = builtin_type (gdbarch)->builtin_char;
struct value * function, *selstring;
return 0;
}
- if (lookup_minimal_symbol("sel_getUid", 0, 0))
+ if (lookup_minimal_symbol("sel_getUid", 0, 0).minsym)
function = find_function_in_inferior("sel_getUid", NULL);
- else if (lookup_minimal_symbol ("sel_get_any_uid", 0, 0))
+ else if (lookup_minimal_symbol ("sel_get_any_uid", 0, 0).minsym)
function = find_function_in_inferior("sel_get_any_uid", NULL);
else
{
- complaint (&symfile_complaints, _("no way to lookup Objective-C selectors"));
+ complaint (_("no way to lookup Objective-C selectors"));
return 0;
}
selstring = value_coerce_array (value_string (selname,
- strlen (selname) + 1, char_type));
- return value_as_long (call_function_by_hand (function, 1, &selstring));
+ strlen (selname) + 1,
+ char_type));
+ return value_as_long (call_function_by_hand (function, NULL, selstring));
}
struct value *
stringValue[2] = value_string(ptr, len, char_type);
stringValue[2] = value_coerce_array(stringValue[2]);
/* _NSNewStringFromCString replaces "istr" after Lantern2A. */
- if (lookup_minimal_symbol("_NSNewStringFromCString", 0, 0))
+ if (lookup_minimal_symbol("_NSNewStringFromCString", 0, 0).minsym)
{
function = find_function_in_inferior("_NSNewStringFromCString", NULL);
- nsstringValue = call_function_by_hand(function, 1, &stringValue[2]);
+ nsstringValue = call_function_by_hand(function, NULL, stringValue[2]);
}
- else if (lookup_minimal_symbol("istr", 0, 0))
+ else if (lookup_minimal_symbol("istr", 0, 0).minsym)
{
function = find_function_in_inferior("istr", NULL);
- nsstringValue = call_function_by_hand(function, 1, &stringValue[2]);
+ nsstringValue = call_function_by_hand(function, NULL, stringValue[2]);
}
- else if (lookup_minimal_symbol("+[NSString stringWithCString:]", 0, 0))
+ else if (lookup_minimal_symbol("+[NSString stringWithCString:]", 0, 0).minsym)
{
function
= find_function_in_inferior("+[NSString stringWithCString:]", NULL);
(type, lookup_objc_class (gdbarch, "NSString"));
stringValue[1] = value_from_longest
(type, lookup_child_selector (gdbarch, "stringWithCString:"));
- nsstringValue = call_function_by_hand(function, 3, &stringValue[0]);
+ nsstringValue = call_function_by_hand(function, NULL, stringValue);
}
else
error (_("NSString: internal error -- no way to create new NSString"));
(mangled[1] == 'i' || mangled[1] == 'c') &&
mangled[2] == '_')
{
- cp = demangled = xmalloc(strlen(mangled) + 2);
+ cp = demangled = (char *) xmalloc (strlen (mangled) + 2);
if (mangled[1] == 'i')
*cp++ = '-'; /* for instance method */
*cp++ = '+'; /* for class method */
*cp++ = '['; /* opening left brace */
- strcpy(cp, mangled+3); /* tack on the rest of the mangled name */
+ strcpy(cp, mangled+3); /* Tack on the rest of the mangled name. */
while (*cp && *cp == '_')
- cp++; /* skip any initial underbars in class name */
+ cp++; /* Skip any initial underbars in class
+ name. */
cp = strchr(cp, '_');
- if (!cp) /* find first non-initial underbar */
+ if (!cp) /* Find first non-initial underbar. */
{
xfree(demangled); /* not mangled name */
return NULL;
}
- if (cp[1] == '_') { /* easy case: no category name */
- *cp++ = ' '; /* replace two '_' with one ' ' */
- strcpy(cp, mangled + (cp - demangled) + 2);
- }
- else {
- *cp++ = '('; /* less easy case: category name */
- cp = strchr(cp, '_');
- if (!cp)
- {
- xfree(demangled); /* not mangled name */
- return NULL;
- }
- *cp++ = ')';
- *cp++ = ' '; /* overwriting 1st char of method name... */
- strcpy(cp, mangled + (cp - demangled)); /* get it back */
- }
+ if (cp[1] == '_') /* Easy case: no category name. */
+ {
+ *cp++ = ' '; /* Replace two '_' with one ' '. */
+ strcpy(cp, mangled + (cp - demangled) + 2);
+ }
+ else
+ {
+ *cp++ = '('; /* Less easy case: category name. */
+ cp = strchr(cp, '_');
+ if (!cp)
+ {
+ xfree(demangled); /* not mangled name */
+ return NULL;
+ }
+ *cp++ = ')';
+ *cp++ = ' '; /* Overwriting 1st char of method name... */
+ strcpy(cp, mangled + (cp - demangled)); /* Get it back. */
+ }
while (*cp && *cp == '_')
- cp++; /* skip any initial underbars in method name */
+ cp++; /* Skip any initial underbars in
+ method name. */
for (; *cp; cp++)
if (*cp == '_')
- *cp = ':'; /* replace remaining '_' with ':' */
+ *cp = ':'; /* Replace remaining '_' with ':'. */
*cp++ = ']'; /* closing right brace */
*cp++ = 0; /* string terminator */
return NULL; /* Not an objc mangled name. */
}
-/* Print the character C on STREAM as part of the contents of a
- literal string whose delimiter is QUOTER. Note that that format
- for printing characters and strings is language specific. */
-
-static void
-objc_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
-{
-
- c &= 0xFF; /* Avoid sign bit follies. */
-
- if (PRINT_LITERAL_FORM (c))
- {
- if (c == '\\' || c == quoter)
- {
- fputs_filtered ("\\", stream);
- }
- fprintf_filtered (stream, "%c", c);
- }
- else
- {
- switch (c)
- {
- case '\n':
- fputs_filtered ("\\n", stream);
- break;
- case '\b':
- fputs_filtered ("\\b", stream);
- break;
- case '\t':
- fputs_filtered ("\\t", stream);
- break;
- case '\f':
- fputs_filtered ("\\f", stream);
- break;
- case '\r':
- fputs_filtered ("\\r", stream);
- break;
- case '\033':
- fputs_filtered ("\\e", stream);
- break;
- case '\007':
- fputs_filtered ("\\a", stream);
- break;
- default:
- fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
- break;
- }
- }
-}
-
-static void
-objc_printchar (int c, struct type *type, struct ui_file *stream)
-{
- fputs_filtered ("'", stream);
- objc_emit_char (c, type, stream, '\'');
- fputs_filtered ("'", stream);
-}
-
-/* Print the character string STRING, printing at most LENGTH
- characters. Printing stops early if the number hits print_max;
- repeat counts are printed as appropriate. Print ellipses at the
- end if we had to stop before printing LENGTH characters, or if
- FORCE_ELLIPSES. */
-
-static void
-objc_printstr (struct ui_file *stream, struct type *type,
- const gdb_byte *string, unsigned int length,
- int force_ellipses,
- const struct value_print_options *options)
-{
- unsigned int i;
- unsigned int things_printed = 0;
- int in_quotes = 0;
- int need_comma = 0;
- int width = TYPE_LENGTH (type);
-
- /* If the string was not truncated due to `set print elements', and
- the last byte of it is a null, we don't print that, in
- traditional C style. */
- if ((!force_ellipses) && length > 0 && string[length-1] == '\0')
- length--;
-
- if (length == 0)
- {
- fputs_filtered ("\"\"", stream);
- return;
- }
-
- for (i = 0; i < length && things_printed < options->print_max; ++i)
- {
- /* Position of the character we are examining to see whether it
- is repeated. */
- unsigned int rep1;
- /* Number of repetitions we have detected so far. */
- unsigned int reps;
-
- QUIT;
-
- if (need_comma)
- {
- fputs_filtered (", ", stream);
- need_comma = 0;
- }
-
- rep1 = i + 1;
- reps = 1;
- while (rep1 < length && string[rep1] == string[i])
- {
- ++rep1;
- ++reps;
- }
-
- if (reps > options->repeat_count_threshold)
- {
- if (in_quotes)
- {
- if (options->inspect_it)
- fputs_filtered ("\\\", ", stream);
- else
- fputs_filtered ("\", ", stream);
- in_quotes = 0;
- }
- objc_printchar (string[i], type, stream);
- fprintf_filtered (stream, " <repeats %u times>", reps);
- i = rep1 - 1;
- things_printed += options->repeat_count_threshold;
- need_comma = 1;
- }
- else
- {
- if (!in_quotes)
- {
- if (options->inspect_it)
- fputs_filtered ("\\\"", stream);
- else
- fputs_filtered ("\"", stream);
- in_quotes = 1;
- }
- objc_emit_char (string[i], type, stream, '"');
- ++things_printed;
- }
- }
-
- /* Terminate the quotes if necessary. */
- if (in_quotes)
- {
- if (options->inspect_it)
- fputs_filtered ("\\\"", stream);
- else
- fputs_filtered ("\"", stream);
- }
-
- if (force_ellipses || i < length)
- fputs_filtered ("...", stream);
-}
-
/* Determine if we are currently in the Objective-C dispatch function.
If so, get the address of the method function that the dispatcher
- would call and use that as the function to step into instead. Also
+ would call and use that as the function to step into instead. Also
skip over the trampoline for the function (if any). This is better
for the user since they are only interested in stepping into the
method function anyway. */
{NULL, OP_NULL, PREC_NULL, 0}
};
-const struct language_defn objc_language_defn = {
+static const char *objc_extensions[] =
+{
+ ".m", NULL
+};
+
+/* Constant data representing the Objective-C language. */
+
+extern const struct language_data objc_language_data =
+{
"objective-c", /* Language name */
+ "Objective-C",
language_objc,
range_check_off,
- type_check_off,
case_sensitive_on,
array_row_major,
macro_expansion_c,
+ objc_extensions,
&exp_descriptor_standard,
- objc_parse,
- objc_error,
+ c_parse,
null_post_parser,
- objc_printchar, /* Print a character constant */
- objc_printstr, /* Function to print string constant */
- objc_emit_char,
- c_print_type, /* Print a type using appropriate syntax */
+ c_printchar, /* Print a character constant */
+ c_printstr, /* Function to print string constant */
+ c_emit_char,
c_print_typedef, /* Print a typedef using appropriate syntax */
- c_val_print, /* Print a value using appropriate syntax */
+ c_value_print_inner, /* la_value_print_inner */
c_value_print, /* Print a top-level value */
objc_skip_trampoline, /* Language specific skip_trampoline */
"self", /* name_of_this */
+ false, /* la_store_sym_names_in_linkage_form_p */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
- basic_lookup_transparent_type,/* lookup_transparent_type */
- objc_demangle, /* Language specific symbol demangler */
- NULL, /* Language specific class_name_from_physname */
+ NULL, /* Language specific
+ class_name_from_physname */
objc_op_print_tab, /* Expression operators for printing */
1, /* C-style arrays */
0, /* String lower bound */
default_word_break_characters,
- default_make_symbol_completion_list,
- c_language_arch_info,
- default_print_array_index,
- default_pass_by_reference,
- default_get_string,
- LANG_MAGIC
+ default_collect_symbol_completion_matches,
+ c_watch_location_expression,
+ NULL, /* la_get_symbol_name_matcher */
+ &default_varobj_ops,
+ NULL,
+ c_is_string_type_p,
+ "{...}" /* la_struct_too_deep_ellipsis */
};
+/* Class representing the Objective-C language. */
+
+class objc_language : public language_defn
+{
+public:
+ objc_language ()
+ : language_defn (language_objc, objc_language_data)
+ { /* Nothing. */ }
+
+ /* See language.h. */
+ void language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const override
+ {
+ c_language_arch_info (gdbarch, lai);
+ }
+
+ /* See language.h. */
+ bool sniff_from_mangled_name (const char *mangled,
+ char **demangled) const override
+ {
+ *demangled = objc_demangle (mangled, 0);
+ return *demangled != NULL;
+ }
+
+ /* See language.h. */
+
+ char *demangle (const char *mangled, int options) const override
+ {
+ return objc_demangle (mangled, options);
+ }
+
+ /* See language.h. */
+
+ void print_type (struct type *type, const char *varstring,
+ struct ui_file *stream, int show, int level,
+ const struct type_print_options *flags) const override
+ {
+ c_print_type (type, varstring, stream, show, level, flags);
+ }
+};
+
+/* Single instance of the class representing the Objective-C language. */
+
+static objc_language objc_language_defn;
+
/*
* ObjC:
- * Following functions help construct Objective-C message calls
+ * Following functions help construct Objective-C message calls.
*/
struct selname /* For parsing Objective-C. */
void
start_msglist(void)
{
- struct selname *new =
- (struct selname *) xmalloc (sizeof (struct selname));
+ struct selname *newobj = XNEW (struct selname);
- new->next = selname_chain;
- new->msglist_len = msglist_len;
- new->msglist_sel = msglist_sel;
+ newobj->next = selname_chain;
+ newobj->msglist_len = msglist_len;
+ newobj->msglist_sel = msglist_sel;
msglist_len = 0;
msglist_sel = (char *)xmalloc(1);
*msglist_sel = 0;
- selname_chain = new;
+ selname_chain = newobj;
}
void
add_msglist(struct stoken *str, int addcolon)
{
- char *s, *p;
+ char *s;
+ const char *p;
int len, plen;
- if (str == 0) { /* Unnamed arg, or... */
- if (addcolon == 0) { /* variable number of args. */
- msglist_len++;
- return;
+ if (str == 0) /* Unnamed arg, or... */
+ {
+ if (addcolon == 0) /* variable number of args. */
+ {
+ msglist_len++;
+ return;
+ }
+ p = "";
+ plen = 0;
+ }
+ else
+ {
+ p = str->ptr;
+ plen = str->length;
}
- p = "";
- plen = 0;
- } else {
- p = str->ptr;
- plen = str->length;
- }
len = plen + strlen(msglist_sel) + 2;
s = (char *)xmalloc(len);
strcpy(s, msglist_sel);
strncat(s, p, plen);
xfree(msglist_sel);
msglist_sel = s;
- if (addcolon) {
- s[len-2] = ':';
- s[len-1] = 0;
- msglist_len++;
- } else
+ if (addcolon)
+ {
+ s[len-2] = ':';
+ s[len-1] = 0;
+ msglist_len++;
+ }
+ else
s[len-2] = '\0';
}
int
-end_msglist(void)
+end_msglist (struct parser_state *ps)
{
int val = msglist_len;
struct selname *sel = selname_chain;
selname_chain = sel->next;
msglist_len = sel->msglist_len;
msglist_sel = sel->msglist_sel;
- selid = lookup_child_selector (parse_gdbarch, p);
+ selid = lookup_child_selector (ps->gdbarch (), p);
if (!selid)
error (_("Can't find selector \"%s\""), p);
- write_exp_elt_longcst (selid);
+ write_exp_elt_longcst (ps, selid);
xfree(p);
- write_exp_elt_longcst (val); /* Number of args */
+ write_exp_elt_longcst (ps, val); /* Number of args */
xfree(sel);
return val;
}
/*
- * Function: specialcmp (char *a, char *b)
+ * Function: specialcmp (const char *a, const char *b)
*
* Special strcmp: treats ']' and ' ' as end-of-string.
* Used for qsorting lists of objc methods (either by class or selector).
*/
static int
-specialcmp (char *a, char *b)
+specialcmp (const char *a, const char *b)
{
while (*a && *a != ' ' && *a != ']' && *b && *b != ' ' && *b != ']')
{
a++, b++;
}
if (*a && *a != ' ' && *a != ']')
- return 1; /* a is longer therefore greater */
+ return 1; /* a is longer therefore greater. */
if (*b && *b != ' ' && *b != ']')
- return -1; /* a is shorter therefore lesser */
- return 0; /* a and b are identical */
+ return -1; /* a is shorter therefore lesser. */
+ return 0; /* a and b are identical. */
}
/*
static int
compare_selectors (const void *a, const void *b)
{
- char *aname, *bname;
+ const char *aname, *bname;
- aname = SYMBOL_PRINT_NAME (*(struct symbol **) a);
- bname = SYMBOL_PRINT_NAME (*(struct symbol **) b);
+ aname = (*(struct symbol **) a)->print_name ();
+ bname = (*(struct symbol **) b)->print_name ();
if (aname == NULL || bname == NULL)
error (_("internal: compare_selectors(1)"));
*/
static void
-selectors_info (char *regexp, int from_tty)
+info_selectors_command (const char *regexp, int from_tty)
{
- struct objfile *objfile;
- struct minimal_symbol *msymbol;
- char *name;
+ const char *name;
char *val;
int matches = 0;
int maxlen = 0;
strcpy(myregexp, ".*]");
else
{
+ /* Allow a few extra bytes because of the strcat below. */
+ if (sizeof (myregexp) < strlen (regexp) + 4)
+ error (_("Regexp is too long: %s"), regexp);
strcpy(myregexp, regexp);
if (myregexp[strlen(myregexp) - 1] == '$') /* end of selector */
myregexp[strlen(myregexp) - 1] = ']'; /* end of method name */
}
/* First time thru is JUST to get max length and count. */
- ALL_MSYMBOLS (objfile, msymbol)
+ for (objfile *objfile : current_program_space->objfiles ())
{
- QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
- if (name &&
- (name[0] == '-' || name[0] == '+') &&
- name[1] == '[') /* Got a method name. */
+ for (minimal_symbol *msymbol : objfile->msymbols ())
{
- /* Filter for class/instance methods. */
- if (plusminus && name[0] != plusminus)
- continue;
- /* Find selector part. */
- name = (char *) strchr(name+2, ' ');
- if (regexp == NULL || re_exec(++name) != 0)
- {
- char *mystart = name;
- char *myend = (char *) strchr(mystart, ']');
+ QUIT;
+ name = msymbol->natural_name ();
+ if (name
+ && (name[0] == '-' || name[0] == '+')
+ && name[1] == '[') /* Got a method name. */
+ {
+ /* Filter for class/instance methods. */
+ if (plusminus && name[0] != plusminus)
+ continue;
+ /* Find selector part. */
+ name = (char *) strchr (name+2, ' ');
+ if (name == NULL)
+ {
+ complaint (_("Bad method name '%s'"),
+ msymbol->natural_name ());
+ continue;
+ }
+ if (regexp == NULL || re_exec(++name) != 0)
+ {
+ const char *mystart = name;
+ const char *myend = strchr (mystart, ']');
- if (myend && (myend - mystart > maxlen))
- maxlen = myend - mystart; /* Get longest selector. */
- matches++;
+ if (myend && (myend - mystart > maxlen))
+ maxlen = myend - mystart; /* Get longest selector. */
+ matches++;
+ }
}
}
}
printf_filtered (_("Selectors matching \"%s\":\n\n"),
regexp ? regexp : "*");
- sym_arr = alloca (matches * sizeof (struct symbol *));
+ sym_arr = XALLOCAVEC (struct symbol *, matches);
matches = 0;
- ALL_MSYMBOLS (objfile, msymbol)
+ for (objfile *objfile : current_program_space->objfiles ())
{
- QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
- if (name &&
- (name[0] == '-' || name[0] == '+') &&
- name[1] == '[') /* Got a method name. */
+ for (minimal_symbol *msymbol : objfile->msymbols ())
{
- /* Filter for class/instance methods. */
- if (plusminus && name[0] != plusminus)
- continue;
- /* Find selector part. */
- name = (char *) strchr(name+2, ' ');
- if (regexp == NULL || re_exec(++name) != 0)
- sym_arr[matches++] = (struct symbol *) msymbol;
+ QUIT;
+ name = msymbol->natural_name ();
+ if (name &&
+ (name[0] == '-' || name[0] == '+') &&
+ name[1] == '[') /* Got a method name. */
+ {
+ /* Filter for class/instance methods. */
+ if (plusminus && name[0] != plusminus)
+ continue;
+ /* Find selector part. */
+ name = (char *) strchr(name+2, ' ');
+ if (regexp == NULL || re_exec(++name) != 0)
+ sym_arr[matches++] = (struct symbol *) msymbol;
+ }
}
}
char *p = asel;
QUIT;
- name = SYMBOL_NATURAL_NAME (sym_arr[ix]);
+ name = sym_arr[ix]->natural_name ();
name = strchr (name, ' ') + 1;
if (p[0] && specialcmp(name, p) == 0)
continue; /* Seen this one already (not unique). */
begin_line();
}
else
- printf_filtered (_("No selectors matching \"%s\"\n"), regexp ? regexp : "*");
+ printf_filtered (_("No selectors matching \"%s\"\n"),
+ regexp ? regexp : "*");
}
/*
static int
compare_classes (const void *a, const void *b)
{
- char *aname, *bname;
+ const char *aname, *bname;
- aname = SYMBOL_PRINT_NAME (*(struct symbol **) a);
- bname = SYMBOL_PRINT_NAME (*(struct symbol **) b);
+ aname = (*(struct symbol **) a)->print_name ();
+ bname = (*(struct symbol **) b)->print_name ();
if (aname == NULL || bname == NULL)
error (_("internal: compare_classes(1)"));
*/
static void
-classes_info (char *regexp, int from_tty)
+info_classes_command (const char *regexp, int from_tty)
{
- struct objfile *objfile;
- struct minimal_symbol *msymbol;
- char *name;
+ const char *name;
char *val;
int matches = 0;
int maxlen = 0;
strcpy(myregexp, ".* "); /* Null input: match all objc classes. */
else
{
+ /* Allow a few extra bytes because of the strcat below. */
+ if (sizeof (myregexp) < strlen (regexp) + 4)
+ error (_("Regexp is too long: %s"), regexp);
strcpy(myregexp, regexp);
if (myregexp[strlen(myregexp) - 1] == '$')
/* In the method name, the end of the class name is marked by ' '. */
}
/* First time thru is JUST to get max length and count. */
- ALL_MSYMBOLS (objfile, msymbol)
+ for (objfile *objfile : current_program_space->objfiles ())
{
- QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
- if (name &&
- (name[0] == '-' || name[0] == '+') &&
- name[1] == '[') /* Got a method name. */
- if (regexp == NULL || re_exec(name+2) != 0)
- {
- /* Compute length of classname part. */
- char *mystart = name + 2;
- char *myend = (char *) strchr(mystart, ' ');
+ for (minimal_symbol *msymbol : objfile->msymbols ())
+ {
+ QUIT;
+ name = msymbol->natural_name ();
+ if (name &&
+ (name[0] == '-' || name[0] == '+') &&
+ name[1] == '[') /* Got a method name. */
+ if (regexp == NULL || re_exec(name+2) != 0)
+ {
+ /* Compute length of classname part. */
+ const char *mystart = name + 2;
+ const char *myend = strchr (mystart, ' ');
- if (myend && (myend - mystart > maxlen))
- maxlen = myend - mystart;
- matches++;
- }
+ if (myend && (myend - mystart > maxlen))
+ maxlen = myend - mystart;
+ matches++;
+ }
+ }
}
if (matches)
{
printf_filtered (_("Classes matching \"%s\":\n\n"),
regexp ? regexp : "*");
- sym_arr = alloca (matches * sizeof (struct symbol *));
+ sym_arr = XALLOCAVEC (struct symbol *, matches);
matches = 0;
- ALL_MSYMBOLS (objfile, msymbol)
+ for (objfile *objfile : current_program_space->objfiles ())
{
- QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
- if (name &&
- (name[0] == '-' || name[0] == '+') &&
- name[1] == '[') /* Got a method name. */
- if (regexp == NULL || re_exec(name+2) != 0)
- sym_arr[matches++] = (struct symbol *) msymbol;
+ for (minimal_symbol *msymbol : objfile->msymbols ())
+ {
+ QUIT;
+ name = msymbol->natural_name ();
+ if (name &&
+ (name[0] == '-' || name[0] == '+') &&
+ name[1] == '[') /* Got a method name. */
+ if (regexp == NULL || re_exec(name+2) != 0)
+ sym_arr[matches++] = (struct symbol *) msymbol;
+ }
}
qsort (sym_arr, matches, sizeof (struct minimal_symbol *),
char *p = aclass;
QUIT;
- name = SYMBOL_NATURAL_NAME (sym_arr[ix]);
+ name = sym_arr[ix]->natural_name ();
name += 2;
if (p[0] && specialcmp(name, p) == 0)
continue; /* Seen this one already (not unique). */
printf_filtered (_("No classes matching \"%s\"\n"), regexp ? regexp : "*");
}
-/*
- * Function: find_imps (char *selector, struct symbol **sym_arr)
- *
- * Input: a string representing a selector
- * a pointer to an array of symbol pointers
- * possibly a pointer to a symbol found by the caller.
- *
- * Output: number of methods that implement that selector. Side
- * effects: The array of symbol pointers is filled with matching syms.
- *
- * By analogy with function "find_methods" (symtab.c), builds a list
- * of symbols matching the ambiguous input, so that "decode_line_2"
- * (symtab.c) can list them and ask the user to choose one or more.
- * In this case the matches are objective c methods
- * ("implementations") matching an objective c selector.
- *
- * Note that it is possible for a normal (c-style) function to have
- * the same name as an objective c selector. To prevent the selector
- * from eclipsing the function, we allow the caller (decode_line_1) to
- * search for such a function first, and if it finds one, pass it in
- * to us. We will then integrate it into the list. We also search
- * for one here, among the minsyms.
- *
- * NOTE: if NUM_DEBUGGABLE is non-zero, the sym_arr will be divided
- * into two parts: debuggable (struct symbol) syms, and
- * non_debuggable (struct minimal_symbol) syms. The debuggable
- * ones will come first, before NUM_DEBUGGABLE (which will thus
- * be the index of the first non-debuggable one).
- */
-
-/*
- * Function: total_number_of_imps (char *selector);
- *
- * Input: a string representing a selector
- * Output: number of methods that implement that selector.
- *
- * By analogy with function "total_number_of_methods", this allows
- * decode_line_1 (symtab.c) to detect if there are objective c methods
- * matching the input, and to allocate an array of pointers to them
- * which can be manipulated by "decode_line_2" (also in symtab.c).
- */
-
-char *
+static char *
parse_selector (char *method, char **selector)
{
char *s1 = NULL;
s1 = method;
- while (isspace (*s1))
- s1++;
+ s1 = skip_spaces (s1);
if (*s1 == '\'')
{
found_quote = 1;
s1++;
}
- while (isspace (*s1))
- s1++;
+ s1 = skip_spaces (s1);
nselector = s1;
s2 = s1;
- for (;;) {
- if (isalnum (*s2) || (*s2 == '_') || (*s2 == ':'))
- *s1++ = *s2;
- else if (isspace (*s2))
- ;
- else if ((*s2 == '\0') || (*s2 == '\''))
- break;
- else
- return NULL;
- s2++;
- }
+ for (;;)
+ {
+ if (isalnum (*s2) || (*s2 == '_') || (*s2 == ':'))
+ *s1++ = *s2;
+ else if (isspace (*s2))
+ ;
+ else if ((*s2 == '\0') || (*s2 == '\''))
+ break;
+ else
+ return NULL;
+ s2++;
+ }
*s1++ = '\0';
- while (isspace (*s2))
- s2++;
+ s2 = skip_spaces (s2);
if (found_quote)
{
if (*s2 == '\'')
s2++;
- while (isspace (*s2))
- s2++;
+ s2 = skip_spaces (s2);
}
if (selector != NULL)
return s2;
}
-char *
-parse_method (char *method, char *type, char **class,
+static char *
+parse_method (char *method, char *type, char **theclass,
char **category, char **selector)
{
char *s1 = NULL;
char *nselector = NULL;
gdb_assert (type != NULL);
- gdb_assert (class != NULL);
+ gdb_assert (theclass != NULL);
gdb_assert (category != NULL);
gdb_assert (selector != NULL);
s1 = method;
- while (isspace (*s1))
- s1++;
+ s1 = skip_spaces (s1);
if (*s1 == '\'')
{
found_quote = 1;
s1++;
}
- while (isspace (*s1))
- s1++;
+ s1 = skip_spaces (s1);
if ((s1[0] == '+') || (s1[0] == '-'))
ntype = *s1++;
- while (isspace (*s1))
- s1++;
+ s1 = skip_spaces (s1);
if (*s1 != '[')
return NULL;
s1++;
s2 = s1;
- while (isspace (*s2))
- s2++;
+ s2 = skip_spaces (s2);
if (*s2 == '(')
{
s2++;
- while (isspace (*s2))
- s2++;
+ s2 = skip_spaces (s2);
ncategory = s2;
while (isalnum (*s2) || (*s2 == '_'))
s2++;
nselector = s2;
s1 = s2;
- for (;;) {
- if (isalnum (*s2) || (*s2 == '_') || (*s2 == ':'))
- *s1++ = *s2;
- else if (isspace (*s2))
- ;
- else if (*s2 == ']')
- break;
- else
- return NULL;
- s2++;
- }
+ for (;;)
+ {
+ if (isalnum (*s2) || (*s2 == '_') || (*s2 == ':'))
+ *s1++ = *s2;
+ else if (isspace (*s2))
+ ;
+ else if (*s2 == ']')
+ break;
+ else
+ return NULL;
+ s2++;
+ }
*s1++ = '\0';
s2++;
- while (isspace (*s2))
- s2++;
+ s2 = skip_spaces (s2);
if (found_quote)
{
if (*s2 != '\'')
return NULL;
s2++;
- while (isspace (*s2))
- s2++;
+ s2 = skip_spaces (s2);
}
if (type != NULL)
*type = ntype;
- if (class != NULL)
- *class = nclass;
+ if (theclass != NULL)
+ *theclass = nclass;
if (category != NULL)
*category = ncategory;
if (selector != NULL)
}
static void
-find_methods (struct symtab *symtab, char type,
- const char *class, const char *category,
- const char *selector, struct symbol **syms,
- unsigned int *nsym, unsigned int *ndebug)
+find_methods (char type, const char *theclass, const char *category,
+ const char *selector,
+ std::vector<const char *> *symbol_names)
{
- struct objfile *objfile = NULL;
- struct minimal_symbol *msymbol = NULL;
- struct block *block = NULL;
- struct symbol *sym = NULL;
-
- char *symname = NULL;
+ const char *symname = NULL;
char ntype = '\0';
char *nclass = NULL;
char *ncategory = NULL;
char *nselector = NULL;
- unsigned int csym = 0;
- unsigned int cdebug = 0;
-
static char *tmp = NULL;
static unsigned int tmplen = 0;
- gdb_assert (nsym != NULL);
- gdb_assert (ndebug != NULL);
-
- if (symtab)
- block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), STATIC_BLOCK);
+ gdb_assert (symbol_names != NULL);
- ALL_OBJFILES (objfile)
+ for (objfile *objfile : current_program_space->objfiles ())
{
unsigned int *objc_csym;
unsigned int objfile_csym = 0;
- objc_csym = objfile_data (objfile, objc_objfile_data);
+ objc_csym = objc_objfile_data.get (objfile);
if (objc_csym != NULL && *objc_csym == 0)
/* There are no ObjC symbols in this objfile. Skip it entirely. */
continue;
- ALL_OBJFILE_MSYMBOLS (objfile, msymbol)
+ for (minimal_symbol *msymbol : objfile->msymbols ())
{
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
- CORE_ADDR pc = SYMBOL_VALUE_ADDRESS (msymbol);
-
QUIT;
- /* The minimal symbol might point to a function descriptor;
- resolve it to the actual code address instead. */
- pc = gdbarch_convert_from_func_ptr_addr (gdbarch, pc,
- ¤t_target);
-
- if (symtab)
- if (pc < BLOCK_START (block) || pc >= BLOCK_END (block))
- /* Not in the specified symtab. */
- continue;
-
- symname = SYMBOL_NATURAL_NAME (msymbol);
+ /* Check the symbol name first as this can be done entirely without
+ sending any query to the target. */
+ symname = msymbol->natural_name ();
if (symname == NULL)
continue;
if ((symname[0] != '-' && symname[0] != '+') || (symname[1] != '['))
/* Not a method name. */
continue;
-
+
+ objfile_csym++;
+
+ /* Now that thinks are a bit sane, clean up the symname. */
while ((strlen (symname) + 1) >= tmplen)
{
tmplen = (tmplen == 0) ? 1024 : tmplen * 2;
- tmp = xrealloc (tmp, tmplen);
+ tmp = (char *) xrealloc (tmp, tmplen);
}
strcpy (tmp, symname);
- if (parse_method (tmp, &ntype, &nclass, &ncategory, &nselector) == NULL)
+ if (parse_method (tmp, &ntype, &nclass,
+ &ncategory, &nselector) == NULL)
continue;
-
- objfile_csym++;
if ((type != '\0') && (ntype != type))
continue;
- if ((class != NULL)
- && ((nclass == NULL) || (strcmp (class, nclass) != 0)))
+ if ((theclass != NULL)
+ && ((nclass == NULL) || (strcmp (theclass, nclass) != 0)))
continue;
if ((category != NULL) &&
((nselector == NULL) || (strcmp (selector, nselector) != 0)))
continue;
- sym = find_pc_function (pc);
- if (sym != NULL)
- {
- const char *newsymname = SYMBOL_NATURAL_NAME (sym);
-
- if (strcmp (symname, newsymname) == 0)
- {
- /* Found a high-level method sym: swap it into the
- lower part of sym_arr (below num_debuggable). */
- if (syms != NULL)
- {
- syms[csym] = syms[cdebug];
- syms[cdebug] = sym;
- }
- csym++;
- cdebug++;
- }
- else
- {
- warning (
-"debugging symbol \"%s\" does not match minimal symbol (\"%s\"); ignoring",
- newsymname, symname);
- if (syms != NULL)
- syms[csym] = (struct symbol *) msymbol;
- csym++;
- }
- }
- else
- {
- /* Found a non-debuggable method symbol. */
- if (syms != NULL)
- syms[csym] = (struct symbol *) msymbol;
- csym++;
- }
+ symbol_names->push_back (symname);
}
+
if (objc_csym == NULL)
- {
- objc_csym = obstack_alloc (&objfile->objfile_obstack,
- sizeof (*objc_csym));
- *objc_csym = objfile_csym;
- set_objfile_data (objfile, objc_objfile_data, objc_csym);
- }
+ objc_csym = objc_objfile_data.emplace (objfile, objfile_csym);
else
/* Count of ObjC methods in this objfile should be constant. */
gdb_assert (*objc_csym == objfile_csym);
}
+}
- if (nsym != NULL)
- *nsym = csym;
- if (ndebug != NULL)
- *ndebug = cdebug;
+/* Uniquify a vector of strings. */
+
+static void
+uniquify_strings (std::vector<const char *> *strings)
+{
+ if (strings->empty ())
+ return;
+
+ std::sort (strings->begin (), strings->end (), compare_cstrings);
+ strings->erase (std::unique (strings->begin (), strings->end (), streq),
+ strings->end ());
}
-char *find_imps (struct symtab *symtab, struct block *block,
- char *method, struct symbol **syms,
- unsigned int *nsym, unsigned int *ndebug)
+/*
+ * Function: find_imps (const char *selector, struct symbol **sym_arr)
+ *
+ * Input: a string representing a selector
+ * a pointer to an array of symbol pointers
+ * possibly a pointer to a symbol found by the caller.
+ *
+ * Output: number of methods that implement that selector. Side
+ * effects: The array of symbol pointers is filled with matching syms.
+ *
+ * By analogy with function "find_methods" (symtab.c), builds a list
+ * of symbols matching the ambiguous input, so that "decode_line_2"
+ * (symtab.c) can list them and ask the user to choose one or more.
+ * In this case the matches are objective c methods
+ * ("implementations") matching an objective c selector.
+ *
+ * Note that it is possible for a normal (c-style) function to have
+ * the same name as an objective c selector. To prevent the selector
+ * from eclipsing the function, we allow the caller (decode_line_1) to
+ * search for such a function first, and if it finds one, pass it in
+ * to us. We will then integrate it into the list. We also search
+ * for one here, among the minsyms.
+ *
+ * NOTE: if NUM_DEBUGGABLE is non-zero, the sym_arr will be divided
+ * into two parts: debuggable (struct symbol) syms, and
+ * non_debuggable (struct minimal_symbol) syms. The debuggable
+ * ones will come first, before NUM_DEBUGGABLE (which will thus
+ * be the index of the first non-debuggable one).
+ */
+
+const char *
+find_imps (const char *method, std::vector<const char *> *symbol_names)
{
char type = '\0';
- char *class = NULL;
+ char *theclass = NULL;
char *category = NULL;
char *selector = NULL;
- unsigned int csym = 0;
- unsigned int cdebug = 0;
-
- unsigned int ncsym = 0;
- unsigned int ncdebug = 0;
-
char *buf = NULL;
char *tmp = NULL;
- gdb_assert (nsym != NULL);
- gdb_assert (ndebug != NULL);
+ int selector_case = 0;
- if (nsym != NULL)
- *nsym = 0;
- if (ndebug != NULL)
- *ndebug = 0;
+ gdb_assert (symbol_names != NULL);
buf = (char *) alloca (strlen (method) + 1);
strcpy (buf, method);
- tmp = parse_method (buf, &type, &class, &category, &selector);
-
- if (tmp == NULL) {
-
- struct symbol *sym = NULL;
- struct minimal_symbol *msym = NULL;
-
- strcpy (buf, method);
- tmp = parse_selector (buf, &selector);
-
- if (tmp == NULL)
- return NULL;
-
- sym = lookup_symbol (selector, block, VAR_DOMAIN, 0);
- if (sym != NULL)
- {
- if (syms)
- syms[csym] = sym;
- csym++;
- cdebug++;
- }
-
- if (sym == NULL)
- msym = lookup_minimal_symbol (selector, 0, 0);
+ tmp = parse_method (buf, &type, &theclass, &category, &selector);
- if (msym != NULL)
- {
- if (syms)
- syms[csym] = (struct symbol *)msym;
- csym++;
- }
- }
+ if (tmp == NULL)
+ {
+ strcpy (buf, method);
+ tmp = parse_selector (buf, &selector);
- if (syms != NULL)
- find_methods (symtab, type, class, category, selector,
- syms + csym, &ncsym, &ncdebug);
- else
- find_methods (symtab, type, class, category, selector,
- NULL, &ncsym, &ncdebug);
+ if (tmp == NULL)
+ return NULL;
- /* If we didn't find any methods, just return. */
- if (ncsym == 0 && ncdebug == 0)
- return method;
+ selector_case = 1;
+ }
- /* Take debug symbols from the second batch of symbols and swap them
- * with debug symbols from the first batch. Repeat until either the
- * second section is out of debug symbols or the first section is
- * full of debug symbols. Either way we have all debug symbols
- * packed to the beginning of the buffer.
- */
+ find_methods (type, theclass, category, selector, symbol_names);
- if (syms != NULL)
+ /* If we hit the "selector" case, and we found some methods, then
+ add the selector itself as a symbol, if it exists. */
+ if (selector_case && !symbol_names->empty ())
{
- while ((cdebug < csym) && (ncdebug > 0))
+ struct symbol *sym = lookup_symbol (selector, NULL, VAR_DOMAIN,
+ 0).symbol;
+
+ if (sym != NULL)
+ symbol_names->push_back (sym->natural_name ());
+ else
{
- struct symbol *s = NULL;
- /* First non-debugging symbol. */
- unsigned int i = cdebug;
- /* Last of second batch of debug symbols. */
- unsigned int j = csym + ncdebug - 1;
-
- s = syms[j];
- syms[j] = syms[i];
- syms[i] = s;
-
- /* We've moved a symbol from the second debug section to the
- first one. */
- cdebug++;
- ncdebug--;
+ struct bound_minimal_symbol msym
+ = lookup_minimal_symbol (selector, 0, 0);
+
+ if (msym.minsym != NULL)
+ symbol_names->push_back (msym.minsym->natural_name ());
}
}
- csym += ncsym;
- cdebug += ncdebug;
-
- if (nsym != NULL)
- *nsym = csym;
- if (ndebug != NULL)
- *ndebug = cdebug;
-
- if (syms == NULL)
- return method + (tmp - buf);
-
- if (csym > 1)
- {
- /* Sort debuggable symbols. */
- if (cdebug > 1)
- qsort (syms, cdebug, sizeof (struct minimal_symbol *),
- compare_classes);
-
- /* Sort minimal_symbols. */
- if ((csym - cdebug) > 1)
- qsort (&syms[cdebug], csym - cdebug,
- sizeof (struct minimal_symbol *), compare_classes);
- }
- /* Terminate the sym_arr list. */
- syms[csym] = 0;
+ uniquify_strings (symbol_names);
return method + (tmp - buf);
}
static void
-print_object_command (char *args, int from_tty)
+print_object_command (const char *args, int from_tty)
{
struct value *object, *function, *description;
CORE_ADDR string_addr, object_addr;
"The 'print-object' command requires an argument (an Objective-C object)");
{
- struct expression *expr = parse_expression (args);
- struct cleanup *old_chain =
- make_cleanup (free_current_contents, &expr);
+ expression_up expr = parse_expression (args);
int pc = 0;
object = evaluate_subexp (builtin_type (expr->gdbarch)->builtin_data_ptr,
- expr, &pc, EVAL_NORMAL);
- do_cleanups (old_chain);
+ expr.get (), &pc, EVAL_NORMAL);
}
/* Validate the address for sanity. */
if (function == NULL)
error (_("Unable to locate _NSPrintForDebugger in child process"));
- description = call_function_by_hand (function, 1, &object);
+ description = call_function_by_hand (function, NULL, object);
string_addr = value_as_long (description);
if (string_addr == 0)
/* The data structure 'methcalls' is used to detect method calls (thru
* ObjC runtime lib functions objc_msgSend, objc_msgSendSuper, etc.),
- * and ultimately find the method being called.
+ * and ultimately find the method being called.
*/
struct objc_methcall {
- char *name;
+ const char *name;
/* Return instance method to be called. */
int (*stop_at) (CORE_ADDR, CORE_ADDR *);
/* Start of pc range corresponding to method invocation. */
* structure "objc_msgs" by finding the addresses of each of the
* (currently four) functions that it holds (of which objc_msgSend is
* the first). This must be called each time symbols are loaded, in
- * case the functions have moved for some reason.
+ * case the functions have moved for some reason.
*/
static void
find_objc_msgsend (void)
{
unsigned int i;
- for (i = 0; i < nmethcalls; i++) {
- struct minimal_symbol *func;
+ for (i = 0; i < nmethcalls; i++)
+ {
+ struct bound_minimal_symbol func;
- /* Try both with and without underscore. */
- func = lookup_minimal_symbol (methcalls[i].name, NULL, NULL);
- if ((func == NULL) && (methcalls[i].name[0] == '_')) {
- func = lookup_minimal_symbol (methcalls[i].name + 1, NULL, NULL);
- }
- if (func == NULL) {
- methcalls[i].begin = 0;
- methcalls[i].end = 0;
- continue;
+ /* Try both with and without underscore. */
+ func = lookup_bound_minimal_symbol (methcalls[i].name);
+ if ((func.minsym == NULL) && (methcalls[i].name[0] == '_'))
+ {
+ func = lookup_bound_minimal_symbol (methcalls[i].name + 1);
+ }
+ if (func.minsym == NULL)
+ {
+ methcalls[i].begin = 0;
+ methcalls[i].end = 0;
+ continue;
+ }
+
+ methcalls[i].begin = BMSYMBOL_VALUE_ADDRESS (func);
+ methcalls[i].end = minimal_symbol_upper_bound (func);
}
-
- methcalls[i].begin = SYMBOL_VALUE_ADDRESS (func);
- do {
- methcalls[i].end = SYMBOL_VALUE_ADDRESS (++func);
- } while (methcalls[i].begin == methcalls[i].end);
- }
}
/* find_objc_msgcall (replaces pc_off_limits)
* returning the address of the shlib function that would be called.
* That functionality has been moved into the gdbarch_skip_trampoline_code and
* IN_SOLIB_TRAMPOLINE macros, which are resolved in the target-
- * dependent modules.
+ * dependent modules.
*/
-struct objc_submethod_helper_data {
- int (*f) (CORE_ADDR, CORE_ADDR *);
- CORE_ADDR pc;
- CORE_ADDR *new_pc;
-};
-
-static int
-find_objc_msgcall_submethod_helper (void * arg)
-{
- struct objc_submethod_helper_data *s =
- (struct objc_submethod_helper_data *) arg;
-
- if (s->f (s->pc, s->new_pc) == 0)
- return 1;
- else
- return 0;
-}
-
static int
find_objc_msgcall_submethod (int (*f) (CORE_ADDR, CORE_ADDR *),
CORE_ADDR pc,
CORE_ADDR *new_pc)
{
- struct objc_submethod_helper_data s;
-
- s.f = f;
- s.pc = pc;
- s.new_pc = new_pc;
+ try
+ {
+ if (f (pc, new_pc) == 0)
+ return 1;
+ }
+ catch (const gdb_exception &ex)
+ {
+ exception_fprintf (gdb_stderr, ex,
+ "Unable to determine target of "
+ "Objective-C method call (ignoring):\n");
+ }
- if (catch_errors (find_objc_msgcall_submethod_helper,
- (void *) &s,
- "Unable to determine target of Objective-C method call (ignoring):\n",
- RETURN_MASK_ALL) == 0)
- return 1;
- else
- return 0;
+ return 0;
}
int
return 0;
}
-extern initialize_file_ftype _initialize_objc_language; /* -Wmissing-prototypes */
-
+void _initialize_objc_language ();
void
-_initialize_objc_language (void)
+_initialize_objc_language ()
{
- add_language (&objc_language_defn);
- add_info ("selectors", selectors_info, /* INFO SELECTORS command. */
+ add_info ("selectors", info_selectors_command,
_("All Objective-C selectors, or those matching REGEXP."));
- add_info ("classes", classes_info, /* INFO CLASSES command. */
+ add_info ("classes", info_classes_command,
_("All Objective-C classes, or those matching REGEXP."));
add_com ("print-object", class_vars, print_object_command,
_("Ask an Objective-C object to print itself."));
struct objc_method *method)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
method->name = read_memory_unsigned_integer (addr + 0, 4, byte_order);
method->types = read_memory_unsigned_integer (addr + 4, 4, byte_order);
method->imp = read_memory_unsigned_integer (addr + 8, 4, byte_order);
read_objc_methlist_nmethods (struct gdbarch *gdbarch, CORE_ADDR addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
return read_memory_unsigned_integer (addr + 4, 4, byte_order);
}
struct objc_object *object)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
object->isa = read_memory_unsigned_integer (addr, 4, byte_order);
}
struct objc_super *super)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
super->receiver = read_memory_unsigned_integer (addr, 4, byte_order);
- super->class = read_memory_unsigned_integer (addr + 4, 4, byte_order);
+ super->theclass = read_memory_unsigned_integer (addr + 4, 4, byte_order);
};
static void
read_objc_class (struct gdbarch *gdbarch, CORE_ADDR addr,
- struct objc_class *class)
+ struct objc_class *theclass)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- class->isa = read_memory_unsigned_integer (addr, 4, byte_order);
- class->super_class = read_memory_unsigned_integer (addr + 4, 4, byte_order);
- class->name = read_memory_unsigned_integer (addr + 8, 4, byte_order);
- class->version = read_memory_unsigned_integer (addr + 12, 4, byte_order);
- class->info = read_memory_unsigned_integer (addr + 16, 4, byte_order);
- class->instance_size = read_memory_unsigned_integer (addr + 18, 4, byte_order);
- class->ivars = read_memory_unsigned_integer (addr + 24, 4, byte_order);
- class->methods = read_memory_unsigned_integer (addr + 28, 4, byte_order);
- class->cache = read_memory_unsigned_integer (addr + 32, 4, byte_order);
- class->protocols = read_memory_unsigned_integer (addr + 36, 4, byte_order);
+
+ theclass->isa = read_memory_unsigned_integer (addr, 4, byte_order);
+ theclass->super_class = read_memory_unsigned_integer (addr + 4, 4, byte_order);
+ theclass->name = read_memory_unsigned_integer (addr + 8, 4, byte_order);
+ theclass->version = read_memory_unsigned_integer (addr + 12, 4, byte_order);
+ theclass->info = read_memory_unsigned_integer (addr + 16, 4, byte_order);
+ theclass->instance_size = read_memory_unsigned_integer (addr + 18, 4,
+ byte_order);
+ theclass->ivars = read_memory_unsigned_integer (addr + 24, 4, byte_order);
+ theclass->methods = read_memory_unsigned_integer (addr + 28, 4, byte_order);
+ theclass->cache = read_memory_unsigned_integer (addr + 32, 4, byte_order);
+ theclass->protocols = read_memory_unsigned_integer (addr + 36, 4, byte_order);
}
static CORE_ADDR
find_implementation_from_class (struct gdbarch *gdbarch,
- CORE_ADDR class, CORE_ADDR sel)
+ CORE_ADDR theclass, CORE_ADDR sel)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- CORE_ADDR subclass = class;
+ CORE_ADDR subclass = theclass;
while (subclass != 0)
{
for (i = 0; i < nmethods; i++)
{
struct objc_method meth_str;
- read_objc_methlist_method (gdbarch, mlist, i, &meth_str);
-#if 0
- fprintf (stderr,
- "checking method 0x%lx against selector 0x%lx\n",
- meth_str.name, sel);
-#endif
+ read_objc_methlist_method (gdbarch, mlist, i, &meth_str);
if (meth_str.name == sel)
/* FIXME: hppa arch was doing a pointer dereference
- here. There needs to be a better way to do that. */
+ here. There needs to be a better way to do that. */
return meth_str.imp;
}
mlistnum++;
sel = gdbarch_fetch_pointer_argument (gdbarch, frame, 1, ptr_type);
read_objc_super (gdbarch, super, &sstr);
- if (sstr.class == 0)
+ if (sstr.theclass == 0)
return 0;
- res = find_implementation_from_class (gdbarch, sstr.class, sel);
+ res = find_implementation_from_class (gdbarch, sstr.theclass, sel);
if (new_pc != 0)
*new_pc = res;
if (res == 0)
sel = gdbarch_fetch_pointer_argument (gdbarch, frame, 2, ptr_type);
read_objc_super (gdbarch, super, &sstr);
- if (sstr.class == 0)
+ if (sstr.theclass == 0)
return 0;
- res = find_implementation_from_class (gdbarch, sstr.class, sel);
+ res = find_implementation_from_class (gdbarch, sstr.theclass, sel);
if (new_pc != 0)
*new_pc = res;
if (res == 0)
return 1;
return 0;
}
-
-void
-_initialize_objc_lang (void)
-{
- objc_objfile_data = register_objfile_data ();
-}
projects / thirdparty / binutils-gdb.git / blobdiff