/* Objective-C language support routines for GDB, the GNU debugger.
- Copyright (C) 2002-2013 Free Software Foundation, Inc.
+ Copyright (C) 2002-2016 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>
struct objc_super {
CORE_ADDR receiver;
- CORE_ADDR class;
+ CORE_ADDR theclass;
};
struct objc_method {
{
struct symbol *sym;
- sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0);
+ sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0).symbol;
if (sym == NULL)
{
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
{
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
{
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]);
}
- 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]);
}
- 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);
(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 */
const struct language_defn objc_language_defn = {
"objective-c", /* Language name */
+ "Objective-C",
language_objc,
range_check_off,
case_sensitive_on,
macro_expansion_c,
&exp_descriptor_standard,
c_parse,
- c_error,
+ c_yyerror,
null_post_parser,
c_printchar, /* Print a character constant */
c_printstr, /* Function to print string constant */
default_get_string,
NULL, /* la_get_symbol_name_cmp */
iterate_over_symbols,
+ &default_varobj_ops,
+ NULL,
+ NULL,
LANG_MAGIC
};
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... */
}
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 (parse_gdbarch (ps), 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;
ALL_MSYMBOLS (objfile, msymbol)
{
QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
+ name = MSYMBOL_NATURAL_NAME (msymbol);
if (name
&& (name[0] == '-' || name[0] == '+')
&& name[1] == '[') /* Got a method name. */
{
complaint (&symfile_complaints,
_("Bad method name '%s'"),
- SYMBOL_NATURAL_NAME (msymbol));
+ MSYMBOL_NATURAL_NAME (msymbol));
continue;
}
if (regexp == NULL || re_exec(++name) != 0)
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)
{
QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
+ name = MSYMBOL_NATURAL_NAME (msymbol);
if (name &&
(name[0] == '-' || name[0] == '+') &&
name[1] == '[') /* Got a method name. */
ALL_MSYMBOLS (objfile, msymbol)
{
QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
+ name = MSYMBOL_NATURAL_NAME (msymbol);
if (name &&
(name[0] == '-' || name[0] == '+') &&
name[1] == '[') /* Got a method name. */
{
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)
{
QUIT;
- name = SYMBOL_NATURAL_NAME (msymbol);
+ name = MSYMBOL_NATURAL_NAME (msymbol);
if (name &&
(name[0] == '-' || name[0] == '+') &&
name[1] == '[') /* Got a method name. */
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;
}
*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)
}
static char *
-parse_method (char *method, char *type, char **class,
+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++;
*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 (char type, const char *class, const char *category,
+find_methods (char type, const char *theclass, const char *category,
const char *selector,
VEC (const_char_ptr) **symbol_names)
{
unsigned int objfile_csym = 0;
- objc_csym = objfile_data (objfile, objc_objfile_data);
+ objc_csym = (unsigned int *) objfile_data (objfile, objc_objfile_data);
if (objc_csym != NULL && *objc_csym == 0)
/* There are no ObjC symbols in this objfile. Skip it entirely. */
continue;
/* Check the symbol name first as this can be done entirely without
sending any query to the target. */
- symname = SYMBOL_NATURAL_NAME (msymbol);
+ symname = MSYMBOL_NATURAL_NAME (msymbol);
if (symname == NULL)
continue;
while ((strlen (symname) + 1) >= tmplen)
{
tmplen = (tmplen == 0) ? 1024 : tmplen * 2;
- tmp = xrealloc (tmp, tmplen);
+ tmp = (char *) xrealloc (tmp, tmplen);
}
strcpy (tmp, symname);
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) &&
if (objc_csym == NULL)
{
- objc_csym = obstack_alloc (&objfile->objfile_obstack,
- sizeof (*objc_csym));
+ objc_csym = XOBNEW (&objfile->objfile_obstack, unsigned int);
*objc_csym = objfile_csym;
set_objfile_data (objfile, objc_objfile_data, objc_csym);
}
const char *elem, *last = NULL;
int out;
+ /* If the vector is empty, there's nothing to do. This explicit
+ check is needed to avoid invoking qsort with NULL. */
+ if (VEC_empty (const_char_ptr, *strings))
+ return;
+
qsort (VEC_address (const_char_ptr, *strings),
VEC_length (const_char_ptr, *strings),
sizeof (const_char_ptr),
}
/*
- * Function: find_imps (char *selector, struct symbol **sym_arr)
+ * Function: find_imps (const char *selector, struct symbol **sym_arr)
*
* Input: a string representing a selector
* a pointer to an array of symbol pointers
* be the index of the first non-debuggable one).
*/
-char *
-find_imps (char *method, VEC (const_char_ptr) **symbol_names)
+const char *
+find_imps (const char *method, VEC (const_char_ptr) **symbol_names)
{
char type = '\0';
- char *class = NULL;
+ char *theclass = NULL;
char *category = NULL;
char *selector = NULL;
buf = (char *) alloca (strlen (method) + 1);
strcpy (buf, method);
- tmp = parse_method (buf, &type, &class, &category, &selector);
+ tmp = parse_method (buf, &type, &theclass, &category, &selector);
if (tmp == NULL)
{
selector_case = 1;
}
- find_methods (type, class, category, selector, symbol_names);
+ find_methods (type, theclass, category, selector, symbol_names);
/* 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 && !VEC_empty (const_char_ptr, *symbol_names))
{
- struct symbol *sym = lookup_symbol (selector, NULL, VAR_DOMAIN, 0);
+ struct symbol *sym = lookup_symbol (selector, NULL, VAR_DOMAIN,
+ 0).symbol;
if (sym != NULL)
VEC_safe_push (const_char_ptr, *symbol_names,
SYMBOL_NATURAL_NAME (sym));
else
{
- struct minimal_symbol *msym = lookup_minimal_symbol (selector, 0, 0);
+ struct bound_minimal_symbol msym
+ = lookup_minimal_symbol (selector, 0, 0);
- if (msym != NULL)
+ if (msym.minsym != NULL)
VEC_safe_push (const_char_ptr, *symbol_names,
- SYMBOL_NATURAL_NAME (msym));
+ MSYMBOL_NATURAL_NAME (msym.minsym));
}
}
for (i = 0; i < nmethcalls; i++)
{
- struct minimal_symbol *func;
+ 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_bound_minimal_symbol (methcalls[i].name);
+ if ((func.minsym == NULL) && (methcalls[i].name[0] == '_'))
{
- func = lookup_minimal_symbol (methcalls[i].name + 1, NULL, NULL);
+ func = lookup_bound_minimal_symbol (methcalls[i].name + 1);
}
- if (func == NULL)
+ if (func.minsym == NULL)
{
methcalls[i].begin = 0;
methcalls[i].end = 0;
continue;
}
- methcalls[i].begin = SYMBOL_VALUE_ADDRESS (func);
- do {
- methcalls[i].end = SYMBOL_VALUE_ADDRESS (++func);
- } while (methcalls[i].begin == methcalls[i].end);
+ methcalls[i].begin = BMSYMBOL_VALUE_ADDRESS (func);
+ methcalls[i].end = minimal_symbol_upper_bound (func);
}
}
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,
+ 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);
- 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->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)
{
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
if (meth_str.name == sel)
/* FIXME: hppa arch was doing a pointer dereference
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)
projects / deliverable / binutils-gdb.git / blobdiff