/* Support routines for decoding "stabs" debugging information format.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
- Free Software Foundation, Inc.
+ Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-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.
+ 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.
-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.
+ 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.
-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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
/* Support routines for reading and decoding debugging information in
the "stabs" format. This format is used with many systems that use
Avoid placing any object file format specific code in this file. */
#include "defs.h"
-#include <string.h>
+#include "gdb_string.h"
#include "bfd.h"
#include "obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
+#include "expression.h"
#include "symfile.h"
#include "objfiles.h"
#include "aout/stab_gnu.h" /* We always use GNU stabs, not native */
#include "buildsym.h"
#include "complaints.h"
#include "demangle.h"
+#include "language.h"
#include <ctype.h>
/* Ask stabsread.h to define the vars it normally declares `extern'. */
-#define EXTERN /**/
+#define EXTERN
+/**/
#include "stabsread.h" /* Our own declarations */
#undef EXTERN
+extern void _initialize_stabsread PARAMS ((void));
+
/* The routines that read and process a complete stabs for a C struct or
C++ class pass lists of data member fields and lists of member function
fields in an instance of a field_info structure, as defined below.
expected to eventually go away... (FIXME) */
struct field_info
-{
- struct nextfield
- {
- struct nextfield *next;
+ {
+ struct nextfield
+ {
+ struct nextfield *next;
- /* This is the raw visibility from the stab. It is not checked
- for being one of the visibilities we recognize, so code which
- examines this field better be able to deal. */
- int visibility;
+ /* This is the raw visibility from the stab. It is not checked
+ for being one of the visibilities we recognize, so code which
+ examines this field better be able to deal. */
+ int visibility;
- struct field field;
- } *list;
- struct next_fnfieldlist
- {
- struct next_fnfieldlist *next;
- struct fn_fieldlist fn_fieldlist;
- } *fnlist;
-};
+ struct field field;
+ }
+ *list;
+ struct next_fnfieldlist
+ {
+ struct next_fnfieldlist *next;
+ struct fn_fieldlist fn_fieldlist;
+ }
+ *fnlist;
+ };
+
+static void
+read_one_struct_field PARAMS ((struct field_info *, char **, char *,
+ struct type *, struct objfile *));
+
+static char *
+ get_substring PARAMS ((char **, int));
static struct type *
-dbx_alloc_type PARAMS ((int [2], struct objfile *));
+ dbx_alloc_type PARAMS ((int[2], struct objfile *));
static long read_huge_number PARAMS ((char **, int, int *));
-static struct type *error_type PARAMS ((char **));
+static struct type *error_type PARAMS ((char **, struct objfile *));
static void
patch_block_stabs PARAMS ((struct pending *, struct pending_stabs *,
read_type_number PARAMS ((char **, int *));
static struct type *
-read_range_type PARAMS ((char **, int [2], struct objfile *));
+ read_range_type PARAMS ((char **, int[2], struct objfile *));
static struct type *
-read_sun_builtin_type PARAMS ((char **, int [2], struct objfile *));
+ read_sun_builtin_type PARAMS ((char **, int[2], struct objfile *));
static struct type *
-read_sun_floating_type PARAMS ((char **, int [2], struct objfile *));
+ read_sun_floating_type PARAMS ((char **, int[2], struct objfile *));
static struct type *
-read_enum_type PARAMS ((char **, struct type *, struct objfile *));
+ read_enum_type PARAMS ((char **, struct type *, struct objfile *));
static struct type *
-rs6000_builtin_type PARAMS ((int));
+ rs6000_builtin_type PARAMS ((int));
static int
read_member_functions PARAMS ((struct field_info *, char **, struct type *,
struct objfile *));
static struct type *
-read_struct_type PARAMS ((char **, struct type *, struct objfile *));
+ read_struct_type PARAMS ((char **, struct type *, struct objfile *));
static struct type *
-read_array_type PARAMS ((char **, struct type *, struct objfile *));
+ read_array_type PARAMS ((char **, struct type *, struct objfile *));
static struct type **
-read_args PARAMS ((char **, int, struct objfile *));
+ read_args PARAMS ((char **, int, struct objfile *));
static int
read_cpp_abbrev PARAMS ((struct field_info *, char **, struct type *,
struct objfile *));
-static const char vptr_name[] = { '_','v','p','t','r',CPLUS_MARKER,'\0' };
-static const char vb_name[] = { '_','v','b',CPLUS_MARKER,'\0' };
+/* new functions added for cfront support */
+
+static int
+copy_cfront_struct_fields PARAMS ((struct field_info *, struct type *,
+ struct objfile *));
+
+static char *
+ get_cfront_method_physname PARAMS ((char *));
+
+static int
+read_cfront_baseclasses PARAMS ((struct field_info *, char **,
+ struct type *, struct objfile *));
+
+static int
+read_cfront_static_fields PARAMS ((struct field_info *, char **,
+ struct type *, struct objfile *));
+static int
+read_cfront_member_functions PARAMS ((struct field_info *, char **,
+ struct type *, struct objfile *));
+
+/* end new functions added for cfront support */
+
+static void
+add_live_range PARAMS ((struct objfile *, struct symbol *,
+ CORE_ADDR, CORE_ADDR));
+
+static int
+resolve_live_range PARAMS ((struct objfile *, struct symbol *, char *));
+
+static int
+process_reference PARAMS ((char **string));
+
+static CORE_ADDR
+ ref_search_value PARAMS ((int refnum));
+
+static int
+resolve_symbol_reference PARAMS ((struct objfile *, struct symbol *, char *));
+
+static const char vptr_name[] =
+{'_', 'v', 'p', 't', 'r', CPLUS_MARKER, '\0'};
+static const char vb_name[] =
+{'_', 'v', 'b', CPLUS_MARKER, '\0'};
/* Define this as 1 if a pcc declaration of a char or short argument
gives the correct address. Otherwise assume pcc gives the
address of the corresponding int, which is not the same on a
big-endian machine. */
-#ifndef BELIEVE_PCC_PROMOTION
+#if !defined (BELIEVE_PCC_PROMOTION)
#define BELIEVE_PCC_PROMOTION 0
#endif
+#if !defined (BELIEVE_PCC_PROMOTION_TYPE)
+#define BELIEVE_PCC_PROMOTION_TYPE 0
+#endif
-struct complaint invalid_cpp_abbrev_complaint =
- {"invalid C++ abbreviation `%s'", 0, 0};
+static struct complaint invalid_cpp_abbrev_complaint =
+{"invalid C++ abbreviation `%s'", 0, 0};
-struct complaint invalid_cpp_type_complaint =
- {"C++ abbreviated type name unknown at symtab pos %d", 0, 0};
+static struct complaint invalid_cpp_type_complaint =
+{"C++ abbreviated type name unknown at symtab pos %d", 0, 0};
-struct complaint member_fn_complaint =
- {"member function type missing, got '%c'", 0, 0};
+static struct complaint member_fn_complaint =
+{"member function type missing, got '%c'", 0, 0};
-struct complaint const_vol_complaint =
- {"const/volatile indicator missing, got '%c'", 0, 0};
+static struct complaint const_vol_complaint =
+{"const/volatile indicator missing, got '%c'", 0, 0};
-struct complaint error_type_complaint =
- {"debug info mismatch between compiler and debugger", 0, 0};
+static struct complaint error_type_complaint =
+{"debug info mismatch between compiler and debugger", 0, 0};
-struct complaint invalid_member_complaint =
- {"invalid (minimal) member type data format at symtab pos %d.", 0, 0};
+static struct complaint invalid_member_complaint =
+{"invalid (minimal) member type data format at symtab pos %d.", 0, 0};
-struct complaint range_type_base_complaint =
- {"base type %d of range type is not defined", 0, 0};
+static struct complaint range_type_base_complaint =
+{"base type %d of range type is not defined", 0, 0};
-struct complaint reg_value_complaint =
- {"register number too large in symbol %s", 0, 0};
+static struct complaint reg_value_complaint =
+{"register number %d too large (max %d) in symbol %s", 0, 0};
-struct complaint vtbl_notfound_complaint =
- {"virtual function table pointer not found when defining class `%s'", 0, 0};
+static struct complaint vtbl_notfound_complaint =
+{"virtual function table pointer not found when defining class `%s'", 0, 0};
-struct complaint unrecognized_cplus_name_complaint =
- {"Unknown C++ symbol name `%s'", 0, 0};
+static struct complaint unrecognized_cplus_name_complaint =
+{"Unknown C++ symbol name `%s'", 0, 0};
-struct complaint rs6000_builtin_complaint =
- {"Unknown builtin type %d", 0, 0};
+static struct complaint rs6000_builtin_complaint =
+{"Unknown builtin type %d", 0, 0};
-struct complaint stabs_general_complaint =
- {"%s", 0, 0};
+static struct complaint unresolved_sym_chain_complaint =
+{"%s: common block `%s' from global_sym_chain unresolved", 0, 0};
+
+static struct complaint stabs_general_complaint =
+{"%s", 0, 0};
+
+static struct complaint lrs_general_complaint =
+{"%s", 0, 0};
/* Make a list of forward references which haven't been defined. */
static struct type **undef_types;
static int undef_types_allocated;
static int undef_types_length;
+static struct symbol *current_symbol = NULL;
/* Check for and handle cretinous stabs symbol name continuation! */
-#define STABS_CONTINUE(pp) \
+#define STABS_CONTINUE(pp,objfile) \
do { \
if (**(pp) == '\\' || (**(pp) == '?' && (*(pp))[1] == '\0')) \
- *(pp) = next_symbol_text (); \
+ *(pp) = next_symbol_text (objfile); \
} while (0)
\f
/* FIXME: These probably should be our own types (like rs6000_builtin_type
has its own types) rather than builtin_type_*. */
-static struct type **os9k_type_vector[] = {
- 0,
- &builtin_type_int,
- &builtin_type_char,
- &builtin_type_long,
- &builtin_type_short,
- &builtin_type_unsigned_char,
- &builtin_type_unsigned_short,
- &builtin_type_unsigned_long,
- &builtin_type_unsigned_int,
- &builtin_type_float,
- &builtin_type_double,
- &builtin_type_void,
- &builtin_type_long_double
+static struct type **os9k_type_vector[] =
+{
+ 0,
+ &builtin_type_int,
+ &builtin_type_char,
+ &builtin_type_long,
+ &builtin_type_short,
+ &builtin_type_unsigned_char,
+ &builtin_type_unsigned_short,
+ &builtin_type_unsigned_long,
+ &builtin_type_unsigned_int,
+ &builtin_type_float,
+ &builtin_type_double,
+ &builtin_type_void,
+ &builtin_type_long_double
};
static void os9k_init_type_vector PARAMS ((struct type **));
static void
-os9k_init_type_vector(tv)
- struct type **tv;
+os9k_init_type_vector (tv)
+ struct type **tv;
{
int i;
- for (i=0; i<sizeof(os9k_type_vector)/sizeof(struct type **); i++)
+ for (i = 0; i < sizeof (os9k_type_vector) / sizeof (struct type **); i++)
tv[i] = (os9k_type_vector[i] == 0 ? 0 : *(os9k_type_vector[i]));
}
if (filenum < 0 || filenum >= n_this_object_header_files)
{
- static struct complaint msg = {"\
+ static struct complaint msg =
+ {"\
Invalid symbol data: type number (%d,%d) out of range at symtab pos %d.",
- 0, 0};
+ 0, 0};
complain (&msg, filenum, index, symnum);
goto error_return;
}
this will do the right thing. */
static struct type *temp_type;
- temp_type = rs6000_builtin_type(index);
+ temp_type = rs6000_builtin_type (index);
return &temp_type;
}
/* Type is defined outside of header files.
- Find it in this object file's type vector. */
+ Find it in this object file's type vector. */
if (index >= type_vector_length)
{
old_len = type_vector_length;
{
type_vector_length = INITIAL_TYPE_VECTOR_LENGTH;
type_vector = (struct type **)
- malloc (type_vector_length * sizeof (struct type *));
+ xmalloc (type_vector_length * sizeof (struct type *));
}
while (index >= type_vector_length)
{
{
real_filenum = this_object_header_files[filenum];
- if (real_filenum >= n_header_files)
+ if (real_filenum >= N_HEADER_FILES (current_objfile))
{
struct type *temp_type;
struct type **temp_type_p;
return temp_type_p;
}
- f = &header_files[real_filenum];
+ f = HEADER_FILES (current_objfile) + real_filenum;
f_orig_length = f->length;
if (index >= f_orig_length)
if (stabs)
{
-
+
/* for all the stab entries, find their corresponding symbols and
- patch their types! */
-
+ patch their types! */
+
for (ii = 0; ii < stabs->count; ++ii)
{
name = stabs->stab[ii];
- pp = (char*) strchr (name, ':');
+ pp = (char *) strchr (name, ':');
while (pp[1] == ':')
{
- pp += 2;
- pp = (char *)strchr(pp, ':');
+ pp += 2;
+ pp = (char *) strchr (pp, ':');
}
- sym = find_symbol_in_list (symbols, name, pp-name);
+ sym = find_symbol_in_list (symbols, name, pp - name);
if (!sym)
{
/* FIXME-maybe: it would be nice if we noticed whether
- the variable was defined *anywhere*, not just whether
- it is defined in this compilation unit. But neither
- xlc or GCC seem to need such a definition, and until
- we do psymtabs (so that the minimal symbols from all
- compilation units are available now), I'm not sure
- how to get the information. */
+ the variable was defined *anywhere*, not just whether
+ it is defined in this compilation unit. But neither
+ xlc or GCC seem to need such a definition, and until
+ we do psymtabs (so that the minimal symbols from all
+ compilation units are available now), I'm not sure
+ how to get the information. */
/* On xcoff, if a global is defined and never referenced,
- ld will remove it from the executable. There is then
- a N_GSYM stab for it, but no regular (C_EXT) symbol. */
+ ld will remove it from the executable. There is then
+ a N_GSYM stab for it, but no regular (C_EXT) symbol. */
sym = (struct symbol *)
obstack_alloc (&objfile->symbol_obstack,
sizeof (struct symbol));
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
SYMBOL_NAME (sym) =
- obstack_copy0 (&objfile->symbol_obstack, name, pp - name);
+ obsavestring (name, pp - name, &objfile->symbol_obstack);
pp += 2;
- if (*(pp-1) == 'F' || *(pp-1) == 'f')
+ if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
{
/* I don't think the linker does this with functions,
so as far as I know this is never executed.
else
{
pp += 2;
- if (*(pp-1) == 'F' || *(pp-1) == 'f')
+ if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
{
SYMBOL_TYPE (sym) =
lookup_function_type (read_type (&pp, objfile));
}
}
}
-
\f
+
/* Read a number by which a type is referred to in dbx data,
or perhaps read a pair (FILENUM, TYPENUM) in parentheses.
Just a single number N is equivalent to (0,N).
{
(*pp)++;
typenums[0] = read_huge_number (pp, ',', &nbits);
- if (nbits != 0) return -1;
+ if (nbits != 0)
+ return -1;
typenums[1] = read_huge_number (pp, ')', &nbits);
- if (nbits != 0) return -1;
+ if (nbits != 0)
+ return -1;
}
else
{
typenums[0] = 0;
typenums[1] = read_huge_number (pp, 0, &nbits);
- if (nbits != 0) return -1;
+ if (nbits != 0)
+ return -1;
}
return 0;
}
-
\f
-/* To handle GNU C++ typename abbreviation, we need to be able to
- fill in a type's name as soon as space for that type is allocated.
- `type_synonym_name' is the name of the type being allocated.
- It is cleared as soon as it is used (lest all allocated types
- get this name). */
-
-static char *type_synonym_name;
#if !defined (REG_STRUCT_HAS_ADDR)
#define REG_STRUCT_HAS_ADDR(gcc_p,type) 0
#endif
+#define VISIBILITY_PRIVATE '0' /* Stabs character for private field */
+#define VISIBILITY_PROTECTED '1' /* Stabs character for protected fld */
+#define VISIBILITY_PUBLIC '2' /* Stabs character for public field */
+#define VISIBILITY_IGNORE '9' /* Optimized out or zero length */
+
+#define CFRONT_VISIBILITY_PRIVATE '2' /* Stabs character for private field */
+#define CFRONT_VISIBILITY_PUBLIC '1' /* Stabs character for public field */
+
+/* This code added to support parsing of ARM/Cfront stabs strings */
+
+/* Get substring from string up to char c, advance string pointer past
+ suibstring. */
+
+static char *
+get_substring (p, c)
+ char **p;
+ int c;
+{
+ char *str;
+ str = *p;
+ *p = strchr (*p, c);
+ if (*p)
+ {
+ **p = 0;
+ (*p)++;
+ }
+ else
+ str = 0;
+ return str;
+}
+
+/* Physname gets strcat'd onto sname in order to recreate the mangled
+ name (see funtion gdb_mangle_name in gdbtypes.c). For cfront, make
+ the physname look like that of g++ - take out the initial mangling
+ eg: for sname="a" and fname="foo__1aFPFs_i" return "FPFs_i" */
+
+static char *
+get_cfront_method_physname (fname)
+ char *fname;
+{
+ int len = 0;
+ /* FIXME would like to make this generic for g++ too, but
+ that is already handled in read_member_funcctions */
+ char *p = fname;
+
+ /* search ahead to find the start of the mangled suffix */
+ if (*p == '_' && *(p + 1) == '_') /* compiler generated; probably a ctor/dtor */
+ p += 2;
+ while (p && (unsigned) ((p + 1) - fname) < strlen (fname) && *(p + 1) != '_')
+ p = strchr (p, '_');
+ if (!(p && *p == '_' && *(p + 1) == '_'))
+ error ("Invalid mangled function name %s", fname);
+ p += 2; /* advance past '__' */
+
+ /* struct name length and name of type should come next; advance past it */
+ while (isdigit (*p))
+ {
+ len = len * 10 + (*p - '0');
+ p++;
+ }
+ p += len;
+
+ return p;
+}
+
+/* Read base classes within cfront class definition.
+ eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
+ ^^^^^^^^^^^^^^^^^^
+
+ A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
+ ^
+ */
+
+static int
+read_cfront_baseclasses (fip, pp, type, objfile)
+ struct field_info *fip;
+ struct objfile *objfile;
+ char **pp;
+ struct type *type;
+{
+ static struct complaint msg_unknown =
+ {"\
+ Unsupported token in stabs string %s.\n",
+ 0, 0};
+ static struct complaint msg_notfound =
+ {"\
+ Unable to find base type for %s.\n",
+ 0, 0};
+ int bnum = 0;
+ char *p;
+ int i;
+ struct nextfield *new;
+
+ if (**pp == ';') /* no base classes; return */
+ {
+ ++(*pp);
+ return 1;
+ }
+
+ /* first count base classes so we can allocate space before parsing */
+ for (p = *pp; p && *p && *p != ';'; p++)
+ {
+ if (*p == ' ')
+ bnum++;
+ }
+ bnum++; /* add one more for last one */
+
+ /* now parse the base classes until we get to the start of the methods
+ (code extracted and munged from read_baseclasses) */
+ ALLOCATE_CPLUS_STRUCT_TYPE (type);
+ TYPE_N_BASECLASSES (type) = bnum;
+
+ /* allocate space */
+ {
+ int num_bytes = B_BYTES (TYPE_N_BASECLASSES (type));
+ char *pointer;
+
+ pointer = (char *) TYPE_ALLOC (type, num_bytes);
+ TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) pointer;
+ }
+ B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
+
+ for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
+ {
+ new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
+ make_cleanup (free, new);
+ memset (new, 0, sizeof (struct nextfield));
+ new->next = fip->list;
+ fip->list = new;
+ FIELD_BITSIZE (new->field) = 0; /* this should be an unpacked field! */
+
+ STABS_CONTINUE (pp, objfile);
+
+ /* virtual? eg: v2@Bvir */
+ if (**pp == 'v')
+ {
+ SET_TYPE_FIELD_VIRTUAL (type, i);
+ ++(*pp);
+ }
+
+ /* access? eg: 2@Bvir */
+ /* Note: protected inheritance not supported in cfront */
+ switch (*(*pp)++)
+ {
+ case CFRONT_VISIBILITY_PRIVATE:
+ new->visibility = VISIBILITY_PRIVATE;
+ break;
+ case CFRONT_VISIBILITY_PUBLIC:
+ new->visibility = VISIBILITY_PUBLIC;
+ break;
+ default:
+ /* Bad visibility format. Complain and treat it as
+ public. */
+ {
+ static struct complaint msg =
+ {
+ "Unknown visibility `%c' for baseclass", 0, 0};
+ complain (&msg, new->visibility);
+ new->visibility = VISIBILITY_PUBLIC;
+ }
+ }
+
+ /* "@" comes next - eg: @Bvir */
+ if (**pp != '@')
+ {
+ complain (&msg_unknown, *pp);
+ return 1;
+ }
+ ++(*pp);
+
+
+ /* Set the bit offset of the portion of the object corresponding
+ to this baseclass. Always zero in the absence of
+ multiple inheritance. */
+ /* Unable to read bit position from stabs;
+ Assuming no multiple inheritance for now FIXME! */
+ /* We may have read this in the structure definition;
+ now we should fixup the members to be the actual base classes */
+ FIELD_BITPOS (new->field) = 0;
+
+ /* Get the base class name and type */
+ {
+ char *bname; /* base class name */
+ struct symbol *bsym; /* base class */
+ char *p1, *p2;
+ p1 = strchr (*pp, ' ');
+ p2 = strchr (*pp, ';');
+ if (p1 < p2)
+ bname = get_substring (pp, ' ');
+ else
+ bname = get_substring (pp, ';');
+ if (!bname || !*bname)
+ {
+ complain (&msg_unknown, *pp);
+ return 1;
+ }
+ /* FIXME! attach base info to type */
+ bsym = lookup_symbol (bname, 0, STRUCT_NAMESPACE, 0, 0); /*demangled_name */
+ if (bsym)
+ {
+ new->field.type = SYMBOL_TYPE (bsym);
+ new->field.name = type_name_no_tag (new->field.type);
+ }
+ else
+ {
+ complain (&msg_notfound, *pp);
+ return 1;
+ }
+ }
+
+ /* If more base classes to parse, loop again.
+ We ate the last ' ' or ';' in get_substring,
+ so on exit we will have skipped the trailing ';' */
+ /* if invalid, return 0; add code to detect - FIXME! */
+ }
+ return 1;
+}
+
+/* read cfront member functions.
+ pp points to string starting with list of functions
+ eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ */
+
+static int
+read_cfront_member_functions (fip, pp, type, objfile)
+ struct field_info *fip;
+ char **pp;
+ struct type *type;
+ struct objfile *objfile;
+{
+ /* This code extracted from read_member_functions
+ so as to do the similar thing for our funcs */
+
+ int nfn_fields = 0;
+ int length = 0;
+ /* Total number of member functions defined in this class. If the class
+ defines two `f' functions, and one `g' function, then this will have
+ the value 3. */
+ int total_length = 0;
+ int i;
+ struct next_fnfield
+ {
+ struct next_fnfield *next;
+ struct fn_field fn_field;
+ }
+ *sublist;
+ struct type *look_ahead_type;
+ struct next_fnfieldlist *new_fnlist;
+ struct next_fnfield *new_sublist;
+ char *main_fn_name;
+ char *fname;
+ struct symbol *ref_func = 0;
+
+ /* Process each list until we find the end of the member functions.
+ eg: p = "__ct__1AFv foo__1AFv ;;;" */
+
+ STABS_CONTINUE (pp, objfile); /* handle \\ */
+
+ while (**pp != ';' && (fname = get_substring (pp, ' '), fname))
+ {
+ int is_static = 0;
+ int sublist_count = 0;
+ char *pname;
+ if (fname[0] == '*') /* static member */
+ {
+ is_static = 1;
+ sublist_count++;
+ fname++;
+ }
+ ref_func = lookup_symbol (fname, 0, VAR_NAMESPACE, 0, 0); /* demangled name */
+ if (!ref_func)
+ {
+ static struct complaint msg =
+ {"\
+ Unable to find function symbol for %s\n",
+ 0, 0};
+ complain (&msg, fname);
+ continue;
+ }
+ sublist = NULL;
+ look_ahead_type = NULL;
+ length = 0;
+
+ new_fnlist = (struct next_fnfieldlist *)
+ xmalloc (sizeof (struct next_fnfieldlist));
+ make_cleanup (free, new_fnlist);
+ memset (new_fnlist, 0, sizeof (struct next_fnfieldlist));
+
+ /* The following is code to work around cfront generated stabs.
+ The stabs contains full mangled name for each field.
+ We try to demangle the name and extract the field name out of it. */
+ {
+ char *dem, *dem_p, *dem_args;
+ int dem_len;
+ dem = cplus_demangle (fname, DMGL_ANSI | DMGL_PARAMS);
+ if (dem != NULL)
+ {
+ dem_p = strrchr (dem, ':');
+ if (dem_p != 0 && *(dem_p - 1) == ':')
+ dem_p++;
+ /* get rid of args */
+ dem_args = strchr (dem_p, '(');
+ if (dem_args == NULL)
+ dem_len = strlen (dem_p);
+ else
+ dem_len = dem_args - dem_p;
+ main_fn_name =
+ obsavestring (dem_p, dem_len, &objfile->type_obstack);
+ }
+ else
+ {
+ main_fn_name =
+ obsavestring (fname, strlen (fname), &objfile->type_obstack);
+ }
+ } /* end of code for cfront work around */
+
+ new_fnlist->fn_fieldlist.name = main_fn_name;
+
+/*-------------------------------------------------*/
+ /* Set up the sublists
+ Sublists are stuff like args, static, visibility, etc.
+ so in ARM, we have to set that info some other way.
+ Multiple sublists happen if overloading
+ eg: foo::26=##1;:;2A.;
+ In g++, we'd loop here thru all the sublists... */
+
+ new_sublist =
+ (struct next_fnfield *) xmalloc (sizeof (struct next_fnfield));
+ make_cleanup (free, new_sublist);
+ memset (new_sublist, 0, sizeof (struct next_fnfield));
+
+ /* eat 1; from :;2A.; */
+ new_sublist->fn_field.type = SYMBOL_TYPE (ref_func); /* normally takes a read_type */
+ /* Make this type look like a method stub for gdb */
+ TYPE_FLAGS (new_sublist->fn_field.type) |= TYPE_FLAG_STUB;
+ TYPE_CODE (new_sublist->fn_field.type) = TYPE_CODE_METHOD;
+
+ /* If this is just a stub, then we don't have the real name here. */
+ if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
+ {
+ if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
+ TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
+ new_sublist->fn_field.is_stub = 1;
+ }
+
+ /* physname used later in mangling; eg PFs_i,5 for foo__1aFPFs_i
+ physname gets strcat'd in order to recreate the onto mangled name */
+ pname = get_cfront_method_physname (fname);
+ new_sublist->fn_field.physname = savestring (pname, strlen (pname));
+
+
+ /* Set this member function's visibility fields.
+ Unable to distinguish access from stabs definition!
+ Assuming public for now. FIXME!
+ (for private, set new_sublist->fn_field.is_private = 1,
+ for public, set new_sublist->fn_field.is_protected = 1) */
+
+ /* Unable to distinguish const/volatile from stabs definition!
+ Assuming normal for now. FIXME! */
+
+ new_sublist->fn_field.is_const = 0;
+ new_sublist->fn_field.is_volatile = 0; /* volatile not implemented in cfront */
+
+ /* Set virtual/static function info
+ How to get vtable offsets ?
+ Assuming normal for now FIXME!!
+ For vtables, figure out from whence this virtual function came.
+ It may belong to virtual function table of
+ one of its baseclasses.
+ set:
+ new_sublist -> fn_field.voffset = vtable offset,
+ new_sublist -> fn_field.fcontext = look_ahead_type;
+ where look_ahead_type is type of baseclass */
+ if (is_static)
+ new_sublist->fn_field.voffset = VOFFSET_STATIC;
+ else /* normal member function. */
+ new_sublist->fn_field.voffset = 0;
+ new_sublist->fn_field.fcontext = 0;
+
+
+ /* Prepare new sublist */
+ new_sublist->next = sublist;
+ sublist = new_sublist;
+ length++;
+
+ /* In g++, we loop thu sublists - now we set from functions. */
+ new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
+ obstack_alloc (&objfile->type_obstack,
+ sizeof (struct fn_field) * length);
+ memset (new_fnlist->fn_fieldlist.fn_fields, 0,
+ sizeof (struct fn_field) * length);
+ for (i = length; (i--, sublist); sublist = sublist->next)
+ {
+ new_fnlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
+ }
+
+ new_fnlist->fn_fieldlist.length = length;
+ new_fnlist->next = fip->fnlist;
+ fip->fnlist = new_fnlist;
+ nfn_fields++;
+ total_length += length;
+ STABS_CONTINUE (pp, objfile); /* handle \\ */
+ } /* end of loop */
+
+ if (nfn_fields)
+ {
+ /* type should already have space */
+ TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
+ TYPE_ALLOC (type, sizeof (struct fn_fieldlist) * nfn_fields);
+ memset (TYPE_FN_FIELDLISTS (type), 0,
+ sizeof (struct fn_fieldlist) * nfn_fields);
+ TYPE_NFN_FIELDS (type) = nfn_fields;
+ TYPE_NFN_FIELDS_TOTAL (type) = total_length;
+ }
+
+ /* end of scope for reading member func */
+
+ /* eg: ";;" */
+
+ /* Skip trailing ';' and bump count of number of fields seen */
+ if (**pp == ';')
+ (*pp)++;
+ else
+ return 0;
+ return 1;
+}
+
+/* This routine fixes up partial cfront types that were created
+ while parsing the stabs. The main need for this function is
+ to add information such as methods to classes.
+ Examples of "p": "sA;;__ct__1AFv foo__1AFv ;;;" */
+int
+resolve_cfront_continuation (objfile, sym, p)
+ struct objfile *objfile;
+ struct symbol *sym;
+ char *p;
+{
+ struct symbol *ref_sym = 0;
+ char *sname;
+ /* snarfed from read_struct_type */
+ struct field_info fi;
+ struct type *type;
+ struct cleanup *back_to;
+
+ /* Need to make sure that fi isn't gunna conflict with struct
+ in case struct already had some fnfs */
+ fi.list = NULL;
+ fi.fnlist = NULL;
+ back_to = make_cleanup (null_cleanup, 0);
+
+ /* We only accept structs, classes and unions at the moment.
+ Other continuation types include t (typedef), r (long dbl), ...
+ We may want to add support for them as well;
+ right now they are handled by duplicating the symbol information
+ into the type information (see define_symbol) */
+ if (*p != 's' /* structs */
+ && *p != 'c' /* class */
+ && *p != 'u') /* union */
+ return 0; /* only handle C++ types */
+ p++;
+
+ /* Get symbol typs name and validate
+ eg: p = "A;;__ct__1AFv foo__1AFv ;;;" */
+ sname = get_substring (&p, ';');
+ if (!sname || strcmp (sname, SYMBOL_NAME (sym)))
+ error ("Internal error: base symbol type name does not match\n");
+
+ /* Find symbol's internal gdb reference using demangled_name.
+ This is the real sym that we want;
+ sym was a temp hack to make debugger happy */
+ ref_sym = lookup_symbol (SYMBOL_NAME (sym), 0, STRUCT_NAMESPACE, 0, 0);
+ type = SYMBOL_TYPE (ref_sym);
+
+
+ /* Now read the baseclasses, if any, read the regular C struct or C++
+ class member fields, attach the fields to the type, read the C++
+ member functions, attach them to the type, and then read any tilde
+ field (baseclass specifier for the class holding the main vtable). */
+
+ if (!read_cfront_baseclasses (&fi, &p, type, objfile)
+ /* g++ does this next, but cfront already did this:
+ || !read_struct_fields (&fi, &p, type, objfile) */
+ || !copy_cfront_struct_fields (&fi, type, objfile)
+ || !read_cfront_member_functions (&fi, &p, type, objfile)
+ || !read_cfront_static_fields (&fi, &p, type, objfile)
+ || !attach_fields_to_type (&fi, type, objfile)
+ || !attach_fn_fields_to_type (&fi, type)
+ /* g++ does this next, but cfront doesn't seem to have this:
+ || !read_tilde_fields (&fi, &p, type, objfile) */
+ )
+ {
+ type = error_type (&p, objfile);
+ }
+
+ do_cleanups (back_to);
+ return 0;
+}
+/* End of code added to support parsing of ARM/Cfront stabs strings */
+
+
+/* This routine fixes up symbol references/aliases to point to the original
+ symbol definition. Returns 0 on failure, non-zero on success. */
+
+static int
+resolve_symbol_reference (objfile, sym, p)
+ struct objfile *objfile;
+ struct symbol *sym;
+ char *p;
+{
+ int refnum;
+ struct symbol *ref_sym = 0;
+ struct alias_list *alias;
+
+ /* If this is not a symbol reference return now. */
+ if (*p != '#')
+ return 0;
+
+ /* Use "#<num>" as the name; we'll fix the name later.
+ We stored the original symbol name as "#<id>=<name>"
+ so we can now search for "#<id>" to resolving the reference.
+ We'll fix the names later by removing the "#<id>" or "#<id>=" */
+
+/*---------------------------------------------------------*/
+ /* Get the reference id number, and
+ advance p past the names so we can parse the rest.
+ eg: id=2 for p : "2=", "2=z:r(0,1)" "2:r(0,1);l(#5,#6),l(#7,#4)" */
+/*---------------------------------------------------------*/
+
+ /* This gets reference name from string. sym may not have a name. */
+
+ /* Get the reference number associated with the reference id in the
+ gdb stab string. From that reference number, get the main/primary
+ symbol for this alias. */
+ refnum = process_reference (&p);
+ ref_sym = ref_search (refnum);
+ if (!ref_sym)
+ {
+ complain (&lrs_general_complaint, "symbol for reference not found");
+ return 0;
+ }
+
+ /* Parse the stab of the referencing symbol
+ now that we have the referenced symbol.
+ Add it as a new symbol and a link back to the referenced symbol.
+ eg: p : "=", "=z:r(0,1)" ":r(0,1);l(#5,#6),l(#7,#4)" */
+
+
+ /* If the stab symbol table and string contain:
+ RSYM 0 5 00000000 868 #15=z:r(0,1)
+ LBRAC 0 0 00000000 899 #5=
+ SLINE 0 16 00000003 923 #6=
+ Then the same symbols can be later referenced by:
+ RSYM 0 5 00000000 927 #15:r(0,1);l(#5,#6)
+ This is used in live range splitting to:
+ 1) specify that a symbol (#15) is actually just a new storage
+ class for a symbol (#15=z) which was previously defined.
+ 2) specify that the beginning and ending ranges for a symbol
+ (#15) are the values of the beginning (#5) and ending (#6)
+ symbols. */
+
+ /* Read number as reference id.
+ eg: p : "=", "=z:r(0,1)" ":r(0,1);l(#5,#6),l(#7,#4)" */
+ /* FIXME! Might I want to use SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
+ in case of "l(0,0)"? */
+
+/*--------------------------------------------------*/
+ /* Add this symbol to the reference list. */
+/*--------------------------------------------------*/
+
+ alias = (struct alias_list *) obstack_alloc (&objfile->type_obstack,
+ sizeof (struct alias_list));
+ if (!alias)
+ {
+ complain (&lrs_general_complaint, "Unable to allocate alias list memory");
+ return 0;
+ }
+
+ alias->next = 0;
+ alias->sym = sym;
+
+ if (!SYMBOL_ALIASES (ref_sym))
+ {
+ SYMBOL_ALIASES (ref_sym) = alias;
+ }
+ else
+ {
+ struct alias_list *temp;
+
+ /* Get to the end of the list. */
+ for (temp = SYMBOL_ALIASES (ref_sym);
+ temp->next;
+ temp = temp->next)
+ ;
+ temp->next = alias;
+ }
+
+ /* Want to fix up name so that other functions (eg. valops)
+ will correctly print the name.
+ Don't add_symbol_to_list so that lookup_symbol won't find it.
+ nope... needed for fixups. */
+ SYMBOL_NAME (sym) = SYMBOL_NAME (ref_sym);
+
+ /* Done! */
+ return 1;
+}
+
+/* Structure for storing pointers to reference definitions for fast lookup
+ during "process_later". */
+
+struct ref_map
+{
+ char *stabs;
+ CORE_ADDR value;
+ struct symbol *sym;
+};
+
+#define MAX_CHUNK_REFS 100
+#define REF_CHUNK_SIZE (MAX_CHUNK_REFS * sizeof (struct ref_map))
+#define REF_MAP_SIZE(ref_chunk) ((ref_chunk) * REF_CHUNK_SIZE)
+
+static struct ref_map *ref_map;
+
+/* Ptr to free cell in chunk's linked list. */
+static int ref_count = 0;
+
+/* Number of chunks malloced. */
+static int ref_chunk = 0;
+
+/* Create array of pointers mapping refids to symbols and stab strings.
+ Add pointers to reference definition symbols and/or their values as we
+ find them, using their reference numbers as our index.
+ These will be used later when we resolve references. */
+void
+ref_add (refnum, sym, stabs, value)
+ int refnum;
+ struct symbol *sym;
+ char *stabs;
+ CORE_ADDR value;
+{
+ if (ref_count == 0)
+ ref_chunk = 0;
+ if (refnum >= ref_count)
+ ref_count = refnum + 1;
+ if (ref_count > ref_chunk * MAX_CHUNK_REFS)
+ {
+ int new_slots = ref_count - ref_chunk * MAX_CHUNK_REFS;
+ int new_chunks = new_slots / MAX_CHUNK_REFS + 1;
+ ref_map = (struct ref_map *)
+ xrealloc (ref_map, REF_MAP_SIZE (ref_chunk + new_chunks));
+ memset (ref_map + ref_chunk * MAX_CHUNK_REFS, 0, new_chunks * REF_CHUNK_SIZE);
+ ref_chunk += new_chunks;
+ }
+ ref_map[refnum].stabs = stabs;
+ ref_map[refnum].sym = sym;
+ ref_map[refnum].value = value;
+}
+
+/* Return defined sym for the reference REFNUM. */
+struct symbol *
+ref_search (refnum)
+ int refnum;
+{
+ if (refnum < 0 || refnum > ref_count)
+ return 0;
+ return ref_map[refnum].sym;
+}
+
+/* Return value for the reference REFNUM. */
+
+static CORE_ADDR
+ref_search_value (refnum)
+ int refnum;
+{
+ if (refnum < 0 || refnum > ref_count)
+ return 0;
+ return ref_map[refnum].value;
+}
+
+/* Parse a reference id in STRING and return the resulting
+ reference number. Move STRING beyond the reference id. */
+
+static int
+process_reference (string)
+ char **string;
+{
+ char *p;
+ int refnum = 0;
+
+ if (**string != '#')
+ return 0;
+
+ /* Advance beyond the initial '#'. */
+ p = *string + 1;
+
+ /* Read number as reference id. */
+ while (*p && isdigit (*p))
+ {
+ refnum = refnum * 10 + *p - '0';
+ p++;
+ }
+ *string = p;
+ return refnum;
+}
+
+/* If STRING defines a reference, store away a pointer to the reference
+ definition for later use. Return the reference number. */
+
+int
+symbol_reference_defined (string)
+ char **string;
+{
+ char *p = *string;
+ int refnum = 0;
+
+ refnum = process_reference (&p);
+
+ /* Defining symbols end in '=' */
+ if (*p == '=')
+ {
+ /* Symbol is being defined here. */
+ *string = p + 1;
+ return refnum;
+ }
+ else
+ {
+ /* Must be a reference. Either the symbol has already been defined,
+ or this is a forward reference to it. */
+ *string = p;
+ return -1;
+ }
+}
+
/* ARGSUSED */
struct symbol *
define_symbol (valu, string, desc, type, objfile)
while (p[1] == ':')
{
- p += 2;
- p = strchr(p, ':');
+ p += 2;
+ p = strchr (p, ':');
}
/* If a nameless stab entry, all we need is the type, not the symbol.
e.g. ":t10=*2" or a nameless enum like " :T16=ered:0,green:1,blue:2,;" */
nameless = (p == string || ((string[0] == ' ') && (string[1] == ':')));
- sym = (struct symbol *)
- obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol));
+ current_symbol = sym = (struct symbol *)
+ obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
switch (type & N_TYPE)
{
case N_TEXT:
- SYMBOL_SECTION(sym) = SECT_OFF_TEXT;
+ SYMBOL_SECTION (sym) = SECT_OFF_TEXT;
break;
case N_DATA:
- SYMBOL_SECTION(sym) = SECT_OFF_DATA;
+ SYMBOL_SECTION (sym) = SECT_OFF_DATA;
break;
case N_BSS:
- SYMBOL_SECTION(sym) = SECT_OFF_BSS;
+ SYMBOL_SECTION (sym) = SECT_OFF_BSS;
break;
}
if (processing_gcc_compilation)
{
/* GCC 2.x puts the line number in desc. SunOS apparently puts in the
- number of bytes occupied by a type or object, which we ignore. */
- SYMBOL_LINE(sym) = desc;
+ number of bytes occupied by a type or object, which we ignore. */
+ SYMBOL_LINE (sym) = desc;
}
else
{
- SYMBOL_LINE(sym) = 0; /* unknown */
+ SYMBOL_LINE (sym) = 0; /* unknown */
}
- if (string[0] == CPLUS_MARKER)
+ if (is_cplus_marker (string[0]))
{
/* Special GNU C++ names. */
switch (string[1])
{
- case 't':
- SYMBOL_NAME (sym) = obsavestring ("this", strlen ("this"),
- &objfile -> symbol_obstack);
- break;
+ case 't':
+ SYMBOL_NAME (sym) = obsavestring ("this", strlen ("this"),
+ &objfile->symbol_obstack);
+ break;
- case 'v': /* $vtbl_ptr_type */
- /* Was: SYMBOL_NAME (sym) = "vptr"; */
- goto normal;
+ case 'v': /* $vtbl_ptr_type */
+ /* Was: SYMBOL_NAME (sym) = "vptr"; */
+ goto normal;
- case 'e':
- SYMBOL_NAME (sym) = obsavestring ("eh_throw", strlen ("eh_throw"),
- &objfile -> symbol_obstack);
- break;
+ case 'e':
+ SYMBOL_NAME (sym) = obsavestring ("eh_throw", strlen ("eh_throw"),
+ &objfile->symbol_obstack);
+ break;
- case '_':
- /* This was an anonymous type that was never fixed up. */
- goto normal;
+ case '_':
+ /* This was an anonymous type that was never fixed up. */
+ goto normal;
- default:
- complain (&unrecognized_cplus_name_complaint, string);
- goto normal; /* Do *something* with it */
+#ifdef STATIC_TRANSFORM_NAME
+ case 'X':
+ /* SunPRO (3.0 at least) static variable encoding. */
+ goto normal;
+#endif
+
+ default:
+ complain (&unrecognized_cplus_name_complaint, string);
+ goto normal; /* Do *something* with it */
}
}
+ else if (string[0] == '#')
+ {
+ /* Special GNU C extension for referencing symbols. */
+ char *s;
+ int refnum, nlen;
+
+ /* If STRING defines a new reference id, then add it to the
+ reference map. Else it must be referring to a previously
+ defined symbol, so add it to the alias list of the previously
+ defined symbol. */
+ s = string;
+ refnum = symbol_reference_defined (&s);
+ if (refnum >= 0)
+ ref_add (refnum, sym, string, SYMBOL_VALUE (sym));
+ else if (!resolve_symbol_reference (objfile, sym, string))
+ return NULL;
+
+ /* S..P contains the name of the symbol. We need to store
+ the correct name into SYMBOL_NAME. */
+ nlen = p - s;
+ if (refnum >= 0)
+ {
+ if (nlen > 0)
+ {
+ SYMBOL_NAME (sym) = (char *)
+ obstack_alloc (&objfile->symbol_obstack, nlen);
+ strncpy (SYMBOL_NAME (sym), s, nlen);
+ SYMBOL_NAME (sym)[nlen] = '\0';
+ SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
+ }
+ else
+ /* FIXME! Want SYMBOL_NAME (sym) = 0;
+ Get error if leave name 0. So give it something. */
+ {
+ nlen = p - string;
+ SYMBOL_NAME (sym) = (char *)
+ obstack_alloc (&objfile->symbol_obstack, nlen);
+ strncpy (SYMBOL_NAME (sym), string, nlen);
+ SYMBOL_NAME (sym)[nlen] = '\0';
+ SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
+ }
+ }
+ /* Advance STRING beyond the reference id. */
+ string = s;
+ }
else
{
normal:
- SYMBOL_LANGUAGE (sym) = current_subfile -> language;
- SYMBOL_NAME (sym) = (char *)
- obstack_alloc (&objfile -> symbol_obstack, ((p - string) + 1));
+ SYMBOL_LANGUAGE (sym) = current_subfile->language;
+ SYMBOL_NAME (sym) = (char *)
+ obstack_alloc (&objfile->symbol_obstack, ((p - string) + 1));
/* Open-coded memcpy--saves function call time. */
/* FIXME: Does it really? Try replacing with simple strcpy and
- try it on an executable with a large symbol table. */
+ try it on an executable with a large symbol table. */
/* FIXME: considering that gcc can open code memcpy anyway, I
- doubt it. xoxorich. */
+ doubt it. xoxorich. */
{
register char *p1 = string;
register char *p2 = SYMBOL_NAME (sym);
}
/* If this symbol is from a C++ compilation, then attempt to cache the
- demangled form for future reference. This is a typical time versus
- space tradeoff, that was decided in favor of time because it sped up
- C++ symbol lookups by a factor of about 20. */
+ demangled form for future reference. This is a typical time versus
+ space tradeoff, that was decided in favor of time because it sped up
+ C++ symbol lookups by a factor of about 20. */
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
}
{
case 'c':
/* c is a special case, not followed by a type-number.
- SYMBOL:c=iVALUE for an integer constant symbol.
- SYMBOL:c=rVALUE for a floating constant symbol.
- SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol.
- e.g. "b:c=e6,0" for "const b = blob1"
- (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */
+ SYMBOL:c=iVALUE for an integer constant symbol.
+ SYMBOL:c=rVALUE for a floating constant symbol.
+ SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol.
+ e.g. "b:c=e6,0" for "const b = blob1"
+ (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */
if (*p != '=')
{
SYMBOL_CLASS (sym) = LOC_CONST;
- SYMBOL_TYPE (sym) = error_type (&p);
+ SYMBOL_TYPE (sym) = error_type (&p, objfile);
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
add_symbol_to_list (sym, &file_symbols);
return sym;
SYMBOL_TYPE (sym) = lookup_fundamental_type (objfile,
FT_DBL_PREC_FLOAT);
dbl_valu = (char *)
- obstack_alloc (&objfile -> symbol_obstack,
+ obstack_alloc (&objfile->symbol_obstack,
TYPE_LENGTH (SYMBOL_TYPE (sym)));
store_floating (dbl_valu, TYPE_LENGTH (SYMBOL_TYPE (sym)), d);
SYMBOL_VALUE_BYTES (sym) = dbl_valu;
init_type (TYPE_CODE_INT,
sizeof (int) * HOST_CHAR_BIT / TARGET_CHAR_BIT, 0,
"integer constant",
- (struct objfile *)NULL);
+ (struct objfile *) NULL);
SYMBOL_TYPE (sym) = int_const_type;
SYMBOL_VALUE (sym) = atoi (p);
SYMBOL_CLASS (sym) = LOC_CONST;
if (*p != ',')
{
- SYMBOL_TYPE (sym) = error_type (&p);
+ SYMBOL_TYPE (sym) = error_type (&p, objfile);
break;
}
++p;
default:
{
SYMBOL_CLASS (sym) = LOC_CONST;
- SYMBOL_TYPE (sym) = error_type (&p);
+ SYMBOL_TYPE (sym) = error_type (&p, objfile);
}
}
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
add_symbol_to_list (sym, &file_symbols);
/* fall into process_function_types. */
-
- process_function_types:
- /* Function result types are described as the result type in stabs.
- We need to convert this to the function-returning-type-X type
- in GDB. E.g. "int" is converted to "function returning int". */
- if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_FUNC)
- {
-#if 0
- /* This code doesn't work -- it needs to realloc and can't. */
- /* Attempt to set up to record a function prototype... */
- struct type *new = alloc_type (objfile);
-
- /* Generate a template for the type of this function. The
- types of the arguments will be added as we read the symbol
- table. */
- *new = *lookup_function_type (SYMBOL_TYPE(sym));
- SYMBOL_TYPE(sym) = new;
- TYPE_OBJFILE (new) = objfile;
- in_function_type = new;
-#else
- SYMBOL_TYPE (sym) = lookup_function_type (SYMBOL_TYPE (sym));
-#endif
- }
+
+ process_function_types:
+ /* Function result types are described as the result type in stabs.
+ We need to convert this to the function-returning-type-X type
+ in GDB. E.g. "int" is converted to "function returning int". */
+ if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_FUNC)
+ SYMBOL_TYPE (sym) = lookup_function_type (SYMBOL_TYPE (sym));
+
+ /* All functions in C++ have prototypes. */
+ if (SYMBOL_LANGUAGE (sym) == language_cplus)
+ TYPE_FLAGS (SYMBOL_TYPE (sym)) |= TYPE_FLAG_PROTOTYPED;
+
/* fall into process_prototype_types */
process_prototype_types:
- /* Sun acc puts declared types of arguments here. We don't care
- about their actual types (FIXME -- we should remember the whole
- function prototype), but the list may define some new types
- that we have to remember, so we must scan it now. */
- while (*p == ';') {
- p++;
- read_type (&p, objfile);
- }
+ /* Sun acc puts declared types of arguments here. */
+ if (*p == ';')
+ {
+ struct type *ftype = SYMBOL_TYPE (sym);
+ int nsemi = 0;
+ int nparams = 0;
+ char *p1 = p;
+
+ /* Obtain a worst case guess for the number of arguments
+ by counting the semicolons. */
+ while (*p1)
+ {
+ if (*p1++ == ';')
+ nsemi++;
+ }
+
+ /* Allocate parameter information fields and fill them in. */
+ TYPE_FIELDS (ftype) = (struct field *)
+ TYPE_ALLOC (ftype, nsemi * sizeof (struct field));
+ while (*p++ == ';')
+ {
+ struct type *ptype;
+
+ /* A type number of zero indicates the start of varargs.
+ FIXME: GDB currently ignores vararg functions. */
+ if (p[0] == '0' && p[1] == '\0')
+ break;
+ ptype = read_type (&p, objfile);
+
+ /* The Sun compilers mark integer arguments, which should
+ be promoted to the width of the calling conventions, with
+ a type which references itself. This type is turned into
+ a TYPE_CODE_VOID type by read_type, and we have to turn
+ it back into builtin_type_int here.
+ FIXME: Do we need a new builtin_type_promoted_int_arg ? */
+ if (TYPE_CODE (ptype) == TYPE_CODE_VOID)
+ ptype = builtin_type_int;
+ TYPE_FIELD_TYPE (ftype, nparams++) = ptype;
+ }
+ TYPE_NFIELDS (ftype) = nparams;
+ TYPE_FLAGS (ftype) |= TYPE_FLAG_PROTOTYPED;
+ }
break;
case 'F':
case 'G':
/* For a class G (global) symbol, it appears that the
- value is not correct. It is necessary to search for the
- corresponding linker definition to find the value.
- These definitions appear at the end of the namelist. */
+ value is not correct. It is necessary to search for the
+ corresponding linker definition to find the value.
+ These definitions appear at the end of the namelist. */
SYMBOL_TYPE (sym) = read_type (&p, objfile);
- i = hashname (SYMBOL_NAME (sym));
- SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
- global_sym_chain[i] = sym;
SYMBOL_CLASS (sym) = LOC_STATIC;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
+ /* Don't add symbol references to global_sym_chain.
+ Symbol references don't have valid names and wont't match up with
+ minimal symbols when the global_sym_chain is relocated.
+ We'll fixup symbol references when we fixup the defining symbol. */
+ if (SYMBOL_NAME (sym) && SYMBOL_NAME (sym)[0] != '#')
+ {
+ i = hashname (SYMBOL_NAME (sym));
+ SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
+ global_sym_chain[i] = sym;
+ }
add_symbol_to_list (sym, &global_symbols);
break;
/* This case is faked by a conditional above,
- when there is no code letter in the dbx data.
- Dbx data never actually contains 'l'. */
+ when there is no code letter in the dbx data.
+ Dbx data never actually contains 'l'. */
case 's':
case 'l':
SYMBOL_TYPE (sym) = read_type (&p, objfile);
p++;
SYMBOL_TYPE (sym)
= lookup_pointer_type
- (lookup_function_type (read_type (&p, objfile)));
+ (lookup_function_type (read_type (&p, objfile)));
}
else
SYMBOL_TYPE (sym) = read_type (&p, objfile);
/* Normally this is a parameter, a LOC_ARG. On the i960, it
- can also be a LOC_LOCAL_ARG depending on symbol type. */
+ can also be a LOC_LOCAL_ARG depending on symbol type. */
#ifndef DBX_PARM_SYMBOL_CLASS
#define DBX_PARM_SYMBOL_CLASS(type) LOC_ARG
#endif
SYMBOL_CLASS (sym) = DBX_PARM_SYMBOL_CLASS (type);
SYMBOL_VALUE (sym) = valu;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
-#if 0
- /* This doesn't work yet. */
- add_param_to_type (&in_function_type, sym);
-#endif
add_symbol_to_list (sym, &local_symbols);
-#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
- /* On little-endian machines, this crud is never necessary, and,
- if the extra bytes contain garbage, is harmful. */
- break;
-#else /* Big endian. */
+ if (TARGET_BYTE_ORDER != BIG_ENDIAN)
+ {
+ /* On little-endian machines, this crud is never necessary,
+ and, if the extra bytes contain garbage, is harmful. */
+ break;
+ }
+
/* If it's gcc-compiled, if it says `short', believe it. */
if (processing_gcc_compilation || BELIEVE_PCC_PROMOTION)
break;
-#if !BELIEVE_PCC_PROMOTION
- {
- /* This is the signed type which arguments get promoted to. */
- static struct type *pcc_promotion_type;
- /* This is the unsigned type which arguments get promoted to. */
- static struct type *pcc_unsigned_promotion_type;
-
- /* Call it "int" because this is mainly C lossage. */
- if (pcc_promotion_type == NULL)
- pcc_promotion_type =
- init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
- 0, "int", NULL);
-
- if (pcc_unsigned_promotion_type == NULL)
- pcc_unsigned_promotion_type =
- init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED, "unsigned int", NULL);
-
-#if defined(BELIEVE_PCC_PROMOTION_TYPE)
- /* This macro is defined on machines (e.g. sparc) where
- we should believe the type of a PCC 'short' argument,
- but shouldn't believe the address (the address is
- the address of the corresponding int).
-
- My guess is that this correction, as opposed to changing
- the parameter to an 'int' (as done below, for PCC
- on most machines), is the right thing to do
- on all machines, but I don't want to risk breaking
- something that already works. On most PCC machines,
- the sparc problem doesn't come up because the calling
- function has to zero the top bytes (not knowing whether
- the called function wants an int or a short), so there
- is little practical difference between an int and a short
- (except perhaps what happens when the GDB user types
- "print short_arg = 0x10000;").
-
- Hacked for SunOS 4.1 by gnu@cygnus.com. In 4.1, the compiler
- actually produces the correct address (we don't need to fix it
- up). I made this code adapt so that it will offset the symbol
- if it was pointing at an int-aligned location and not
- otherwise. This way you can use the same gdb for 4.0.x and
- 4.1 systems.
-
- If the parameter is shorter than an int, and is integral
- (e.g. char, short, or unsigned equivalent), and is claimed to
- be passed on an integer boundary, don't believe it! Offset the
- parameter's address to the tail-end of that integer. */
-
- if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
- && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT
- && 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (pcc_promotion_type))
- {
- SYMBOL_VALUE (sym) += TYPE_LENGTH (pcc_promotion_type)
- - TYPE_LENGTH (SYMBOL_TYPE (sym));
- }
- break;
-
-#else /* no BELIEVE_PCC_PROMOTION_TYPE. */
-
- /* If PCC says a parameter is a short or a char,
- it is really an int. */
- if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
- && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT)
- {
- SYMBOL_TYPE (sym) =
- TYPE_UNSIGNED (SYMBOL_TYPE (sym))
- ? pcc_unsigned_promotion_type
- : pcc_promotion_type;
- }
- break;
-
-#endif /* no BELIEVE_PCC_PROMOTION_TYPE. */
- }
-#endif /* !BELIEVE_PCC_PROMOTION. */
-#endif /* Big endian. */
+ if (!BELIEVE_PCC_PROMOTION)
+ {
+ /* This is the signed type which arguments get promoted to. */
+ static struct type *pcc_promotion_type;
+ /* This is the unsigned type which arguments get promoted to. */
+ static struct type *pcc_unsigned_promotion_type;
+
+ /* Call it "int" because this is mainly C lossage. */
+ if (pcc_promotion_type == NULL)
+ pcc_promotion_type =
+ init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
+ 0, "int", NULL);
+
+ if (pcc_unsigned_promotion_type == NULL)
+ pcc_unsigned_promotion_type =
+ init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED, "unsigned int", NULL);
+
+ if (BELIEVE_PCC_PROMOTION_TYPE)
+ {
+ /* This is defined on machines (e.g. sparc) where we
+ should believe the type of a PCC 'short' argument,
+ but shouldn't believe the address (the address is the
+ address of the corresponding int).
+
+ My guess is that this correction, as opposed to
+ changing the parameter to an 'int' (as done below,
+ for PCC on most machines), is the right thing to do
+ on all machines, but I don't want to risk breaking
+ something that already works. On most PCC machines,
+ the sparc problem doesn't come up because the calling
+ function has to zero the top bytes (not knowing
+ whether the called function wants an int or a short),
+ so there is little practical difference between an
+ int and a short (except perhaps what happens when the
+ GDB user types "print short_arg = 0x10000;").
+
+ Hacked for SunOS 4.1 by gnu@cygnus.com. In 4.1, the
+ compiler actually produces the correct address (we
+ don't need to fix it up). I made this code adapt so
+ that it will offset the symbol if it was pointing at
+ an int-aligned location and not otherwise. This way
+ you can use the same gdb for 4.0.x and 4.1 systems.
+
+ If the parameter is shorter than an int, and is
+ integral (e.g. char, short, or unsigned equivalent),
+ and is claimed to be passed on an integer boundary,
+ don't believe it! Offset the parameter's address to
+ the tail-end of that integer. */
+
+ if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
+ && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT
+ && 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (pcc_promotion_type))
+ {
+ SYMBOL_VALUE (sym) += TYPE_LENGTH (pcc_promotion_type)
+ - TYPE_LENGTH (SYMBOL_TYPE (sym));
+ }
+ break;
+ }
+ else
+ {
+ /* If PCC says a parameter is a short or a char,
+ it is really an int. */
+ if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
+ && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT)
+ {
+ SYMBOL_TYPE (sym) =
+ TYPE_UNSIGNED (SYMBOL_TYPE (sym))
+ ? pcc_unsigned_promotion_type
+ : pcc_promotion_type;
+ }
+ break;
+ }
+ }
case 'P':
- /* acc seems to use P to delare the prototypes of functions that
+ /* acc seems to use P to declare the prototypes of functions that
are referenced by this file. gdb is not prepared to deal
with this extra information. FIXME, it ought to. */
if (type == N_FUN)
{
- read_type (&p, objfile);
+ SYMBOL_TYPE (sym) = read_type (&p, objfile);
goto process_prototype_types;
}
- /*FALLTHROUGH*/
+ /*FALLTHROUGH */
case 'R':
/* Parameter which is in a register. */
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
if (SYMBOL_VALUE (sym) >= NUM_REGS)
{
- complain (®_value_complaint, SYMBOL_SOURCE_NAME (sym));
- SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
+ complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
+ SYMBOL_SOURCE_NAME (sym));
+ SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
}
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
add_symbol_to_list (sym, &local_symbols);
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
if (SYMBOL_VALUE (sym) >= NUM_REGS)
{
- complain (®_value_complaint, SYMBOL_SOURCE_NAME (sym));
- SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
+ complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
+ SYMBOL_SOURCE_NAME (sym));
+ SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
}
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
if (within_function)
of saved registers in backtraces, etc.).
Note that this code illegally combines
- main(argc) struct foo argc; { register struct foo argc; }
+ main(argc) struct foo argc; { register struct foo argc; }
but this case is considered pathological and causes a warning
from a decent compiler. */
&& REG_STRUCT_HAS_ADDR (processing_gcc_compilation,
SYMBOL_TYPE (sym))
&& (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT
- || TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)
+ || TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION
+ || TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_SET
+ || TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_BITSTRING)
#endif
- )
+ )
{
struct symbol *prev_sym;
prev_sym = local_symbols->symbol[local_symbols->nsyms - 1];
if ((SYMBOL_CLASS (prev_sym) == LOC_REF_ARG
|| SYMBOL_CLASS (prev_sym) == LOC_ARG)
- && STREQ (SYMBOL_NAME (prev_sym), SYMBOL_NAME(sym)))
+ && STREQ (SYMBOL_NAME (prev_sym), SYMBOL_NAME (sym)))
{
SYMBOL_CLASS (prev_sym) = LOC_REGPARM;
/* Use the type from the LOC_REGISTER; that is the type
break;
}
}
- add_symbol_to_list (sym, &local_symbols);
+ add_symbol_to_list (sym, &local_symbols);
}
else
- add_symbol_to_list (sym, &file_symbols);
+ add_symbol_to_list (sym, &file_symbols);
break;
case 'S':
SYMBOL_TYPE (sym) = read_type (&p, objfile);
SYMBOL_CLASS (sym) = LOC_STATIC;
SYMBOL_VALUE_ADDRESS (sym) = valu;
+#ifdef STATIC_TRANSFORM_NAME
+ if (IS_STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym)))
+ {
+ struct minimal_symbol *msym;
+ msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, objfile);
+ if (msym != NULL)
+ {
+ SYMBOL_NAME (sym) = STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym));
+ SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
+ }
+ }
+#endif
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
add_symbol_to_list (sym, &file_symbols);
break;
SYMBOL_TYPE (sym) = read_type (&p, objfile);
/* For a nameless type, we don't want a create a symbol, thus we
- did not use `sym'. Return without further processing. */
- if (nameless) return NULL;
+ did not use `sym'. Return without further processing. */
+ if (nameless)
+ return NULL;
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
SYMBOL_VALUE (sym) = valu;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
/* C++ vagaries: we may have a type which is derived from
- a base type which did not have its name defined when the
- derived class was output. We fill in the derived class's
- base part member's name here in that case. */
+ a base type which did not have its name defined when the
+ derived class was output. We fill in the derived class's
+ base part member's name here in that case. */
if (TYPE_NAME (SYMBOL_TYPE (sym)) != NULL)
if ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FUNC)
{
/* If we are giving a name to a type such as "pointer to
- foo" or "function returning foo", we better not set
- the TYPE_NAME. If the program contains "typedef char
- *caddr_t;", we don't want all variables of type char
- * to print as caddr_t. This is not just a
- consequence of GDB's type management; PCC and GCC (at
- least through version 2.4) both output variables of
- either type char * or caddr_t with the type number
- defined in the 't' symbol for caddr_t. If a future
- compiler cleans this up it GDB is not ready for it
- yet, but if it becomes ready we somehow need to
- disable this check (without breaking the PCC/GCC2.4
- case).
-
- Sigh.
-
- Fortunately, this check seems not to be necessary
- for anything except pointers or functions. */
+ foo" or "function returning foo", we better not set
+ the TYPE_NAME. If the program contains "typedef char
+ *caddr_t;", we don't want all variables of type char
+ * to print as caddr_t. This is not just a
+ consequence of GDB's type management; PCC and GCC (at
+ least through version 2.4) both output variables of
+ either type char * or caddr_t with the type number
+ defined in the 't' symbol for caddr_t. If a future
+ compiler cleans this up it GDB is not ready for it
+ yet, but if it becomes ready we somehow need to
+ disable this check (without breaking the PCC/GCC2.4
+ case).
+
+ Sigh.
+
+ Fortunately, this check seems not to be necessary
+ for anything except pointers or functions. */
}
else
TYPE_NAME (SYMBOL_TYPE (sym)) = SYMBOL_NAME (sym);
case 'T':
/* Struct, union, or enum tag. For GNU C++, this can be be followed
- by 't' which means we are typedef'ing it as well. */
+ by 't' which means we are typedef'ing it as well. */
synonym = *p == 't';
if (synonym)
- {
- p++;
- type_synonym_name = obsavestring (SYMBOL_NAME (sym),
- strlen (SYMBOL_NAME (sym)),
- &objfile -> symbol_obstack);
- }
+ p++;
/* The semantics of C++ state that "struct foo { ... }" also defines
- a typedef for "foo". Unfortunately, cfront never makes the typedef
- when translating C++ into C. We make the typedef here so that
- "ptype foo" works as expected for cfront translated code. */
+ a typedef for "foo". Unfortunately, cfront never makes the typedef
+ when translating C++ into C. We make the typedef here so that
+ "ptype foo" works as expected for cfront translated code. */
else if (current_subfile->language == language_cplus)
- {
- synonym = 1;
- type_synonym_name = obsavestring (SYMBOL_NAME (sym),
- strlen (SYMBOL_NAME (sym)),
- &objfile -> symbol_obstack);
- }
+ synonym = 1;
SYMBOL_TYPE (sym) = read_type (&p, objfile);
/* For a nameless type, we don't want a create a symbol, thus we
- did not use `sym'. Return without further processing. */
- if (nameless) return NULL;
+ did not use `sym'. Return without further processing. */
+ if (nameless)
+ return NULL;
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
SYMBOL_VALUE (sym) = valu;
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
if (TYPE_TAG_NAME (SYMBOL_TYPE (sym)) == 0)
TYPE_TAG_NAME (SYMBOL_TYPE (sym))
- = obconcat (&objfile -> type_obstack, "", "", SYMBOL_NAME (sym));
+ = obconcat (&objfile->type_obstack, "", "", SYMBOL_NAME (sym));
add_symbol_to_list (sym, &file_symbols);
if (synonym)
{
/* Clone the sym and then modify it. */
register struct symbol *typedef_sym = (struct symbol *)
- obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol));
+ obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
*typedef_sym = *sym;
SYMBOL_CLASS (typedef_sym) = LOC_TYPEDEF;
SYMBOL_VALUE (typedef_sym) = valu;
SYMBOL_NAMESPACE (typedef_sym) = VAR_NAMESPACE;
if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0)
TYPE_NAME (SYMBOL_TYPE (sym))
- = obconcat (&objfile -> type_obstack, "", "", SYMBOL_NAME (sym));
+ = obconcat (&objfile->type_obstack, "", "", SYMBOL_NAME (sym));
add_symbol_to_list (typedef_sym, &file_symbols);
}
break;
SYMBOL_TYPE (sym) = read_type (&p, objfile);
SYMBOL_CLASS (sym) = LOC_STATIC;
SYMBOL_VALUE_ADDRESS (sym) = valu;
+#ifdef STATIC_TRANSFORM_NAME
+ if (IS_STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym)))
+ {
+ struct minimal_symbol *msym;
+ msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, objfile);
+ if (msym != NULL)
+ {
+ SYMBOL_NAME (sym) = STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym));
+ SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
+ }
+ }
+#endif
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
if (os9k_stabs)
add_symbol_to_list (sym, &global_symbols);
add_symbol_to_list (sym, &local_symbols);
break;
+ case 'a':
+ /* Reference parameter which is in a register. */
+ SYMBOL_TYPE (sym) = read_type (&p, objfile);
+ SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
+ SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
+ if (SYMBOL_VALUE (sym) >= NUM_REGS)
+ {
+ complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
+ SYMBOL_SOURCE_NAME (sym));
+ SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
+ }
+ SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
+ add_symbol_to_list (sym, &local_symbols);
+ break;
+
case 'X':
/* This is used by Sun FORTRAN for "function result value".
- Sun claims ("dbx and dbxtool interfaces", 2nd ed)
- that Pascal uses it too, but when I tried it Pascal used
- "x:3" (local symbol) instead. */
+ Sun claims ("dbx and dbxtool interfaces", 2nd ed)
+ that Pascal uses it too, but when I tried it Pascal used
+ "x:3" (local symbol) instead. */
SYMBOL_TYPE (sym) = read_type (&p, objfile);
SYMBOL_CLASS (sym) = LOC_LOCAL;
SYMBOL_VALUE (sym) = valu;
add_symbol_to_list (sym, &local_symbols);
break;
+ /* New code added to support cfront stabs strings.
+ Note: case 'P' already handled above */
+ case 'Z':
+ /* Cfront type continuation coming up!
+ Find the original definition and add to it.
+ We'll have to do this for the typedef too,
+ since we cloned the symbol to define a type in read_type.
+ Stabs info examples:
+ __1C :Ztl
+ foo__1CFv :ZtF (first def foo__1CFv:F(0,3);(0,24))
+ C:ZsC;;__ct__1CFv func1__1CFv func2__1CFv ... ;;;
+ where C is the name of the class.
+ Unfortunately, we can't lookup the original symbol yet 'cuz
+ we haven't finished reading all the symbols.
+ Instead, we save it for processing later */
+ process_later (sym, p, resolve_cfront_continuation);
+ SYMBOL_TYPE (sym) = error_type (&p, objfile); /* FIXME! change later */
+ SYMBOL_CLASS (sym) = LOC_CONST;
+ SYMBOL_VALUE (sym) = 0;
+ SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
+ /* Don't add to list - we'll delete it later when
+ we add the continuation to the real sym */
+ return sym;
+ /* End of new code added to support cfront stabs strings */
+
default:
- SYMBOL_TYPE (sym) = error_type (&p);
+ SYMBOL_TYPE (sym) = error_type (&p, objfile);
SYMBOL_CLASS (sym) = LOC_CONST;
SYMBOL_VALUE (sym) = 0;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
}
/* When passing structures to a function, some systems sometimes pass
- the address in a register, not the structure itself.
-
- If REG_STRUCT_HAS_ADDR yields non-zero we have to convert LOC_REGPARM
- to LOC_REGPARM_ADDR for structures and unions. */
-
- if (SYMBOL_CLASS (sym) == LOC_REGPARM
- && REG_STRUCT_HAS_ADDR (processing_gcc_compilation,
- SYMBOL_TYPE (sym))
- && ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT)
- || (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)))
- SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
-
- /* Likewise for converting LOC_ARG to LOC_REF_ARG (for the 7th and
- subsequent arguments on the sparc, for example). */
- if (SYMBOL_CLASS (sym) == LOC_ARG
- && REG_STRUCT_HAS_ADDR (processing_gcc_compilation,
- SYMBOL_TYPE (sym))
- && ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT)
- || (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)))
- SYMBOL_CLASS (sym) = LOC_REF_ARG;
+ the address in a register, not the structure itself. */
+ if (REG_STRUCT_HAS_ADDR (processing_gcc_compilation, SYMBOL_TYPE (sym))
+ && (SYMBOL_CLASS (sym) == LOC_REGPARM || SYMBOL_CLASS (sym) == LOC_ARG))
+ {
+ struct type *symbol_type = check_typedef (SYMBOL_TYPE (sym));
+
+ if ((TYPE_CODE (symbol_type) == TYPE_CODE_STRUCT)
+ || (TYPE_CODE (symbol_type) == TYPE_CODE_UNION)
+ || (TYPE_CODE (symbol_type) == TYPE_CODE_BITSTRING)
+ || (TYPE_CODE (symbol_type) == TYPE_CODE_SET))
+ {
+ /* If REG_STRUCT_HAS_ADDR yields non-zero we have to convert
+ LOC_REGPARM to LOC_REGPARM_ADDR for structures and unions. */
+ if (SYMBOL_CLASS (sym) == LOC_REGPARM)
+ SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
+ /* Likewise for converting LOC_ARG to LOC_REF_ARG (for the 7th
+ and subsequent arguments on the sparc, for example). */
+ else if (SYMBOL_CLASS (sym) == LOC_ARG)
+ SYMBOL_CLASS (sym) = LOC_REF_ARG;
+ }
+ }
+
+ /* Is there more to parse? For example LRS/alias information? */
+ while (*p && *p == ';')
+ {
+ p++;
+ if (*p && p[0] == 'l' && p[1] == '(')
+ {
+ /* GNU extensions for live range splitting may be appended to
+ the end of the stab string. eg. "l(#1,#2);l(#3,#5)" */
+
+ /* Resolve the live range and add it to SYM's live range list. */
+ if (!resolve_live_range (objfile, sym, p))
+ return NULL;
+
+ /* Find end of live range info. */
+ p = strchr (p, ')');
+ if (!*p || *p != ')')
+ {
+ complain (&lrs_general_complaint, "live range format not recognized");
+ return NULL;
+ }
+ p++;
+ }
+ }
return sym;
}
+/* Add the live range found in P to the symbol SYM in objfile OBJFILE. Returns
+ non-zero on success, zero otherwise. */
+
+static int
+resolve_live_range (objfile, sym, p)
+ struct objfile *objfile;
+ struct symbol *sym;
+ char *p;
+{
+ int refnum;
+ CORE_ADDR start, end;
+
+ /* Sanity check the beginning of the stabs string. */
+ if (!*p || *p != 'l')
+ {
+ complain (&lrs_general_complaint, "live range string 1");
+ return 0;
+ }
+ p++;
+
+ if (!*p || *p != '(')
+ {
+ complain (&lrs_general_complaint, "live range string 2");
+ return 0;
+ }
+ p++;
+
+ /* Get starting value of range and advance P past the reference id.
+
+ ?!? In theory, the process_reference should never fail, but we should
+ catch that case just in case the compiler scrogged the stabs. */
+ refnum = process_reference (&p);
+ start = ref_search_value (refnum);
+ if (!start)
+ {
+ complain (&lrs_general_complaint, "Live range symbol not found 1");
+ return 0;
+ }
+
+ if (!*p || *p != ',')
+ {
+ complain (&lrs_general_complaint, "live range string 3");
+ return 0;
+ }
+ p++;
+
+ /* Get ending value of range and advance P past the reference id.
+
+ ?!? In theory, the process_reference should never fail, but we should
+ catch that case just in case the compiler scrogged the stabs. */
+ refnum = process_reference (&p);
+ end = ref_search_value (refnum);
+ if (!end)
+ {
+ complain (&lrs_general_complaint, "Live range symbol not found 2");
+ return 0;
+ }
+
+ if (!*p || *p != ')')
+ {
+ complain (&lrs_general_complaint, "live range string 4");
+ return 0;
+ }
+
+ /* Now that we know the bounds of the range, add it to the
+ symbol. */
+ add_live_range (objfile, sym, start, end);
+
+ return 1;
+}
+
+/* Add a new live range defined by START and END to the symbol SYM
+ in objfile OBJFILE. */
+
+static void
+add_live_range (objfile, sym, start, end)
+ struct objfile *objfile;
+ struct symbol *sym;
+ CORE_ADDR start, end;
+{
+ struct range_list *r, *rs;
+
+ if (start >= end)
+ {
+ complain (&lrs_general_complaint, "end of live range follows start");
+ return;
+ }
+
+ /* Alloc new live range structure. */
+ r = (struct range_list *)
+ obstack_alloc (&objfile->type_obstack,
+ sizeof (struct range_list));
+ r->start = start;
+ r->end = end;
+ r->next = 0;
+
+ /* Append this range to the symbol's range list. */
+ if (!SYMBOL_RANGES (sym))
+ SYMBOL_RANGES (sym) = r;
+ else
+ {
+ /* Get the last range for the symbol. */
+ for (rs = SYMBOL_RANGES (sym); rs->next; rs = rs->next)
+ ;
+ rs->next = r;
+ }
+}
\f
+
/* Skip rest of this symbol and return an error type.
General notes on error recovery: error_type always skips to the
Thus code like this:
if (*(*pp)++ != ';')
- return error_type (pp);
+ return error_type (pp, objfile);
is wrong because if *pp starts out pointing at '\0' (typically as the
result of an earlier error), it will be incremented to point to the
if you run off the end of the string table. Instead use
if (**pp != ';')
- return error_type (pp);
+ return error_type (pp, objfile);
++*pp;
or
if (**pp != ';')
- foo = error_type (pp);
+ foo = error_type (pp, objfile);
else
- ++*pp;
+ ++*pp;
And in case it isn't obvious, the point of all this hair is so the compiler
can define new types and new syntaxes, and old versions of the
debugger will be able to read the new symbol tables. */
static struct type *
-error_type (pp)
+error_type (pp, objfile)
char **pp;
+ struct objfile *objfile;
{
complain (&error_type_complaint);
while (1)
/* Check for and handle cretinous dbx symbol name continuation! */
if ((*pp)[-1] == '\\' || (*pp)[-1] == '?')
{
- *pp = next_symbol_text ();
+ *pp = next_symbol_text (objfile);
}
else
{
}
return (builtin_type_error);
}
-
\f
+
/* Read type information or a type definition; return the type. Even
though this routine accepts either type information or a type
definition, the distinction is relevant--some parts of stabsread.c
register struct type *type = 0;
struct type *type1;
int typenums[2];
- int xtypenums[2];
char type_descriptor;
/* Size in bits of type if specified by a type attribute, or -1 if
|| **pp == '-')
{
if (read_type_number (pp, typenums) != 0)
- return error_type (pp);
-
+ return error_type (pp, objfile);
+
/* Type is not being defined here. Either it already exists,
- or this is a forward reference to it. dbx_alloc_type handles
- both cases. */
+ or this is a forward reference to it. dbx_alloc_type handles
+ both cases. */
if (**pp != '=')
return dbx_alloc_type (typenums, objfile);
/* Type is being defined here. */
- /* Skip the '='. */
- ++(*pp);
-
- while (**pp == '@')
- {
- char *p = *pp + 1;
- /* It might be a type attribute or a member type. */
- if (isdigit (*p) || *p == '(' || *p == '-')
- /* Member type. */
- break;
- else
- {
- /* Type attributes. */
- char *attr = p;
-
- /* Skip to the semicolon. */
- while (*p != ';' && *p != '\0')
- ++p;
- *pp = p;
- if (*p == '\0')
- return error_type (pp);
- else
- /* Skip the semicolon. */
- ++*pp;
-
- switch (*attr)
- {
- case 's':
- type_size = atoi (attr + 1);
- if (type_size <= 0)
- type_size = -1;
- break;
-
- case 'S':
- is_string = 1;
- break;
-
- default:
- /* Ignore unrecognized type attributes, so future compilers
- can invent new ones. */
- break;
- }
- }
- }
- /* Skip the type descriptor, we get it below with (*pp)[-1]. */
- ++(*pp);
+ /* Skip the '='.
+ Also skip the type descriptor - we get it below with (*pp)[-1]. */
+ (*pp) += 2;
}
else
{
/* 'typenums=' not present, type is anonymous. Read and return
- the definition, but don't put it in the type vector. */
+ the definition, but don't put it in the type vector. */
typenums[0] = typenums[1] = -1;
(*pp)++;
}
+again:
type_descriptor = (*pp)[-1];
switch (type_descriptor)
{
/* Used to index through file_symbols. */
struct pending *ppt;
int i;
-
+
/* Name including "struct", etc. */
char *type_name;
-
+
{
char *from, *to, *p, *q1, *q2;
-
+
/* Set the type code according to the following letter. */
switch ((*pp)[0])
{
/* Complain and keep going, so compilers can invent new
cross-reference types. */
static struct complaint msg =
- {"Unrecognized cross-reference type `%c'", 0, 0};
+ {"Unrecognized cross-reference type `%c'", 0, 0};
complain (&msg, (*pp)[0]);
code = TYPE_CODE_STRUCT;
break;
}
}
-
- q1 = strchr(*pp, '<');
- p = strchr(*pp, ':');
+
+ q1 = strchr (*pp, '<');
+ p = strchr (*pp, ':');
if (p == NULL)
- return error_type (pp);
- while (q1 && p > q1 && p[1] == ':')
+ return error_type (pp, objfile);
+ if (q1 && p > q1 && p[1] == ':')
{
- q2 = strchr(q1, '>');
- if (!q2 || q2 < p)
- break;
- p += 2;
- p = strchr(p, ':');
- if (p == NULL)
- return error_type (pp);
+ int nesting_level = 0;
+ for (q2 = q1; *q2; q2++)
+ {
+ if (*q2 == '<')
+ nesting_level++;
+ else if (*q2 == '>')
+ nesting_level--;
+ else if (*q2 == ':' && nesting_level == 0)
+ break;
+ }
+ p = q2;
+ if (*p != ':')
+ return error_type (pp, objfile);
}
- to = type_name =
- (char *)obstack_alloc (&objfile->type_obstack, p - *pp + 1);
-
+ to = type_name =
+ (char *) obstack_alloc (&objfile->type_obstack, p - *pp + 1);
+
/* Copy the name. */
from = *pp + 1;
- while (from < p)
+ while (from < p)
*to++ = *from++;
*to = '\0';
-
+
/* Set the pointer ahead of the name which we just read, and
the colon. */
*pp = from + 1;
&& (TYPE_CODE (SYMBOL_TYPE (sym)) == code)
&& STREQ (SYMBOL_NAME (sym), type_name))
{
- obstack_free (&objfile -> type_obstack, type_name);
+ obstack_free (&objfile->type_obstack, type_name);
type = SYMBOL_TYPE (sym);
return type;
}
type = dbx_alloc_type (typenums, objfile);
TYPE_CODE (type) = code;
TYPE_TAG_NAME (type) = type_name;
- INIT_CPLUS_SPECIFIC(type);
+ INIT_CPLUS_SPECIFIC (type);
TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
add_undefined_type (type);
return type;
}
- case '-': /* RS/6000 built-in type */
+ case '-': /* RS/6000 built-in type */
case '0':
case '1':
case '2':
case '8':
case '9':
case '(':
+ (*pp)--;
- {
- char *pp_saved;
-
- (*pp)--;
- pp_saved = *pp;
-
- /* Peek ahead at the number to detect void. */
- if (read_type_number (pp, xtypenums) != 0)
- return error_type (pp);
+ /* We deal with something like t(1,2)=(3,4)=... which
+ the Lucid compiler and recent gcc versions (post 2.7.3) use. */
- if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1])
- /* It's being defined as itself. That means it is "void". */
- type = init_type (TYPE_CODE_VOID, 1, 0, NULL, objfile);
- else
+ /* Allocate and enter the typedef type first.
+ This handles recursive types. */
+ type = dbx_alloc_type (typenums, objfile);
+ TYPE_CODE (type) = TYPE_CODE_TYPEDEF;
+ {
+ struct type *xtype = read_type (pp, objfile);
+ if (type == xtype)
+ {
+ /* It's being defined as itself. That means it is "void". */
+ TYPE_CODE (type) = TYPE_CODE_VOID;
+ TYPE_LENGTH (type) = 1;
+ }
+ else if (type_size >= 0 || is_string)
{
- struct type *xtype;
-
- /* Go back to the number and have read_type get it. This means
- that we can deal with something like t(1,2)=(3,4)=... which
- the Lucid compiler uses. */
- *pp = pp_saved;
- xtype = read_type (pp, objfile);
-
- /* The type is being defined to another type. So we copy the type.
- This loses if we copy a C++ class and so we lose track of how
- the names are mangled (but g++ doesn't output stabs like this
- now anyway). */
-
- type = alloc_type (objfile);
- memcpy (type, xtype, sizeof (struct type));
-
- /* The idea behind clearing the names is that the only purpose
- for defining a type to another type is so that the name of
- one can be different. So we probably don't need to worry much
- about the case where the compiler doesn't give a name to the
- new type. */
+ *type = *xtype;
TYPE_NAME (type) = NULL;
TYPE_TAG_NAME (type) = NULL;
}
- if (typenums[0] != -1)
- *dbx_lookup_type (typenums) = type;
- break;
+ else
+ {
+ TYPE_FLAGS (type) |= TYPE_FLAG_TARGET_STUB;
+ TYPE_TARGET_TYPE (type) = xtype;
+ }
}
+ break;
- /* In the following types, we must be sure to overwrite any existing
- type that the typenums refer to, rather than allocating a new one
- and making the typenums point to the new one. This is because there
- may already be pointers to the existing type (if it had been
- forward-referenced), and we must change it to a pointer, function,
- reference, or whatever, *in-place*. */
+ /* In the following types, we must be sure to overwrite any existing
+ type that the typenums refer to, rather than allocating a new one
+ and making the typenums point to the new one. This is because there
+ may already be pointers to the existing type (if it had been
+ forward-referenced), and we must change it to a pointer, function,
+ reference, or whatever, *in-place*. */
case '*':
type1 = read_type (pp, objfile);
type = make_pointer_type (type1, dbx_lookup_type (typenums));
break;
- case '&': /* Reference to another type */
+ case '&': /* Reference to another type */
type1 = read_type (pp, objfile);
type = make_reference_type (type1, dbx_lookup_type (typenums));
break;
- case 'f': /* Function returning another type */
+ case 'f': /* Function returning another type */
if (os9k_stabs && **pp == '(')
{
/* Function prototype; parse it.
struct type *t;
++*pp;
while (**pp != ')')
- {
- t = read_type(pp, objfile);
- if (**pp == ',') ++*pp;
- }
+ {
+ t = read_type (pp, objfile);
+ if (**pp == ',')
+ ++ * pp;
+ }
}
type1 = read_type (pp, objfile);
type = make_function_type (type1, dbx_lookup_type (typenums));
break;
- case 'k': /* Const qualifier on some type (Sun) */
- case 'c': /* Const qualifier on some type (OS9000) */
+ case 'k': /* Const qualifier on some type (Sun) */
+ case 'c': /* Const qualifier on some type (OS9000) */
/* Because 'c' means other things to AIX and 'k' is perfectly good,
- only accept 'c' in the os9k_stabs case. */
+ only accept 'c' in the os9k_stabs case. */
if (type_descriptor == 'c' && !os9k_stabs)
- return error_type (pp);
+ return error_type (pp, objfile);
type = read_type (pp, objfile);
/* FIXME! For now, we ignore const and volatile qualifiers. */
break;
- case 'B': /* Volatile qual on some type (Sun) */
- case 'i': /* Volatile qual on some type (OS9000) */
+ case 'B': /* Volatile qual on some type (Sun) */
+ case 'i': /* Volatile qual on some type (OS9000) */
/* Because 'i' means other things to AIX and 'B' is perfectly good,
- only accept 'i' in the os9k_stabs case. */
+ only accept 'i' in the os9k_stabs case. */
if (type_descriptor == 'i' && !os9k_stabs)
- return error_type (pp);
+ return error_type (pp, objfile);
type = read_type (pp, objfile);
/* FIXME! For now, we ignore const and volatile qualifiers. */
break;
-/* FIXME -- we should be doing smash_to_XXX types here. */
- case '@': /* Member (class & variable) type */
- {
- struct type *domain = read_type (pp, objfile);
- struct type *memtype;
+ case '@':
+ if (isdigit (**pp) || **pp == '(' || **pp == '-')
+ { /* Member (class & variable) type */
+ /* FIXME -- we should be doing smash_to_XXX types here. */
- if (**pp != ',')
- /* Invalid member type data format. */
- return error_type (pp);
- ++*pp;
+ struct type *domain = read_type (pp, objfile);
+ struct type *memtype;
- memtype = read_type (pp, objfile);
- type = dbx_alloc_type (typenums, objfile);
- smash_to_member_type (type, domain, memtype);
- }
+ if (**pp != ',')
+ /* Invalid member type data format. */
+ return error_type (pp, objfile);
+ ++*pp;
+
+ memtype = read_type (pp, objfile);
+ type = dbx_alloc_type (typenums, objfile);
+ smash_to_member_type (type, domain, memtype);
+ }
+ else
+ /* type attribute */
+ {
+ char *attr = *pp;
+ /* Skip to the semicolon. */
+ while (**pp != ';' && **pp != '\0')
+ ++(*pp);
+ if (**pp == '\0')
+ return error_type (pp, objfile);
+ else
+ ++ * pp; /* Skip the semicolon. */
+
+ switch (*attr)
+ {
+ case 's':
+ type_size = atoi (attr + 1);
+ if (type_size <= 0)
+ type_size = -1;
+ break;
+
+ case 'S':
+ is_string = 1;
+ break;
+
+ default:
+ /* Ignore unrecognized type attributes, so future compilers
+ can invent new ones. */
+ break;
+ }
+ ++*pp;
+ goto again;
+ }
break;
- case '#': /* Method (class & fn) type */
+ case '#': /* Method (class & fn) type */
if ((*pp)[0] == '#')
{
/* We'll get the parameter types from the name. */
if (**pp != ',')
/* Invalid member type data format. */
- return error_type (pp);
+ return error_type (pp, objfile);
else
++(*pp);
}
break;
- case 'r': /* Range type */
+ case 'r': /* Range type */
type = read_range_type (pp, typenums, objfile);
if (typenums[0] != -1)
*dbx_lookup_type (typenums) = type;
}
break;
- case 'R': /* Sun ACC builtin float type */
+ case 'R': /* Sun ACC builtin float type */
type = read_sun_floating_type (pp, typenums, objfile);
if (typenums[0] != -1)
*dbx_lookup_type (typenums) = type;
break;
-
- case 'e': /* Enumeration type */
+
+ case 'e': /* Enumeration type */
type = dbx_alloc_type (typenums, objfile);
type = read_enum_type (pp, type, objfile);
if (typenums[0] != -1)
*dbx_lookup_type (typenums) = type;
break;
- case 's': /* Struct type */
- case 'u': /* Union type */
+ case 's': /* Struct type */
+ case 'u': /* Union type */
type = dbx_alloc_type (typenums, objfile);
- if (!TYPE_NAME (type))
- {
- TYPE_NAME (type) = type_synonym_name;
- }
- type_synonym_name = NULL;
switch (type_descriptor)
{
- case 's':
- TYPE_CODE (type) = TYPE_CODE_STRUCT;
- break;
- case 'u':
- TYPE_CODE (type) = TYPE_CODE_UNION;
- break;
+ case 's':
+ TYPE_CODE (type) = TYPE_CODE_STRUCT;
+ break;
+ case 'u':
+ TYPE_CODE (type) = TYPE_CODE_UNION;
+ break;
}
type = read_struct_type (pp, type, objfile);
break;
- case 'a': /* Array type */
+ case 'a': /* Array type */
if (**pp != 'r')
- return error_type (pp);
+ return error_type (pp, objfile);
++*pp;
-
+
type = dbx_alloc_type (typenums, objfile);
type = read_array_type (pp, type, objfile);
if (is_string)
case 'S':
type1 = read_type (pp, objfile);
- type = create_set_type ((struct type*) NULL, type1);
+ type = create_set_type ((struct type *) NULL, type1);
if (is_string)
TYPE_CODE (type) = TYPE_CODE_BITSTRING;
if (typenums[0] != -1)
default:
--*pp; /* Go back to the symbol in error */
- /* Particularly important if it was \0! */
- return error_type (pp);
+ /* Particularly important if it was \0! */
+ return error_type (pp, objfile);
}
if (type == 0)
{
warning ("GDB internal error, type is NULL in stabsread.c\n");
- return error_type (pp);
+ return error_type (pp, objfile);
}
/* Size specified in a type attribute overrides any other size. */
int typenum;
{
/* We recognize types numbered from -NUMBER_RECOGNIZED to -1. */
-#define NUMBER_RECOGNIZED 30
+#define NUMBER_RECOGNIZED 34
/* This includes an empty slot for type number -0. */
static struct type *negative_types[NUMBER_RECOGNIZED + 1];
struct type *rettype = NULL;
return negative_types[-typenum];
#if TARGET_CHAR_BIT != 8
- #error This code wrong for TARGET_CHAR_BIT not 8
+#error This code wrong for TARGET_CHAR_BIT not 8
/* These definitions all assume that TARGET_CHAR_BIT is 8. I think
that if that ever becomes not true, the correct fix will be to
make the size in the struct type to be in bits, not in units of
{
case 1:
/* The size of this and all the other types are fixed, defined
- by the debugging format. If there is a type called "int" which
- is other than 32 bits, then it should use a new negative type
- number (or avoid negative type numbers for that case).
- See stabs.texinfo. */
+ by the debugging format. If there is a type called "int" which
+ is other than 32 bits, then it should use a new negative type
+ number (or avoid negative type numbers for that case).
+ See stabs.texinfo. */
rettype = init_type (TYPE_CODE_INT, 4, 0, "int", NULL);
break;
case 2:
break;
case 14:
/* This is an IEEE double on the RS/6000, and different machines with
- different sizes for "long double" should use different negative
- type numbers. See stabs.texinfo. */
+ different sizes for "long double" should use different negative
+ type numbers. See stabs.texinfo. */
rettype = init_type (TYPE_CODE_FLT, 8, 0, "long double", NULL);
break;
case 15:
rettype = init_type (TYPE_CODE_INT, 4, 0, "integer", NULL);
break;
case 16:
- rettype = init_type (TYPE_CODE_BOOL, 4, 0, "boolean", NULL);
+ rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
+ "boolean", NULL);
break;
case 17:
rettype = init_type (TYPE_CODE_FLT, 4, 0, "short real", NULL);
break;
case 25:
/* Complex type consisting of two IEEE single precision values. */
- rettype = init_type (TYPE_CODE_ERROR, 8, 0, "complex", NULL);
+ rettype = init_type (TYPE_CODE_COMPLEX, 8, 0, "complex", NULL);
break;
case 26:
/* Complex type consisting of two IEEE double precision values. */
- rettype = init_type (TYPE_CODE_ERROR, 16, 0, "double complex", NULL);
+ rettype = init_type (TYPE_CODE_COMPLEX, 16, 0, "double complex", NULL);
break;
case 27:
rettype = init_type (TYPE_CODE_INT, 1, 0, "integer*1", NULL);
case 30:
rettype = init_type (TYPE_CODE_CHAR, 2, 0, "wchar", NULL);
break;
+ case 31:
+ rettype = init_type (TYPE_CODE_INT, 8, 0, "long long", NULL);
+ break;
+ case 32:
+ rettype = init_type (TYPE_CODE_INT, 8, TYPE_FLAG_UNSIGNED,
+ "unsigned long long", NULL);
+ break;
+ case 33:
+ rettype = init_type (TYPE_CODE_INT, 8, TYPE_FLAG_UNSIGNED,
+ "logical*8", NULL);
+ break;
+ case 34:
+ rettype = init_type (TYPE_CODE_INT, 8, 0, "integer*8", NULL);
+ break;
}
negative_types[-typenum] = rettype;
return rettype;
\f
/* This page contains subroutines of read_type. */
-#define VISIBILITY_PRIVATE '0' /* Stabs character for private field */
-#define VISIBILITY_PROTECTED '1' /* Stabs character for protected fld */
-#define VISIBILITY_PUBLIC '2' /* Stabs character for public field */
-#define VISIBILITY_IGNORE '9' /* Optimized out or zero length */
-
/* Read member function stabs info for C++ classes. The form of each member
function data is:
- NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ;
+ NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ;
An example with two member functions is:
- afunc1::20=##15;:i;2A.;afunc2::20:i;2A.;
+ afunc1::20=##15;:i;2A.;afunc2::20:i;2A.;
For the case of overloaded operators, the format is op$::*.funcs, where
$ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator
{
struct next_fnfield *next;
struct fn_field fn_field;
- } *sublist;
+ }
+ *sublist;
struct type *look_ahead_type;
struct next_fnfieldlist *new_fnlist;
struct next_fnfield *new_sublist;
char *main_fn_name;
register char *p;
-
+
/* Process each list until we find something that is not a member function
or find the end of the functions. */
while (**pp != ';')
{
/* We should be positioned at the start of the function name.
- Scan forward to find the first ':' and if it is not the
- first of a "::" delimiter, then this is not a member function. */
+ Scan forward to find the first ':' and if it is not the
+ first of a "::" delimiter, then this is not a member function. */
p = *pp;
while (*p != ':')
{
sublist = NULL;
look_ahead_type = NULL;
length = 0;
-
+
new_fnlist = (struct next_fnfieldlist *)
xmalloc (sizeof (struct next_fnfieldlist));
make_cleanup (free, new_fnlist);
memset (new_fnlist, 0, sizeof (struct next_fnfieldlist));
-
- if ((*pp)[0] == 'o' && (*pp)[1] == 'p' && (*pp)[2] == CPLUS_MARKER)
+
+ if ((*pp)[0] == 'o' && (*pp)[1] == 'p' && is_cplus_marker ((*pp)[2]))
{
/* This is a completely wierd case. In order to stuff in the
names that might contain colons (the usual name delimiter),
/* This lets the user type "break operator+".
We could just put in "+" as the name, but that wouldn't
work for "*". */
- static char opname[32] = {'o', 'p', CPLUS_MARKER};
+ static char opname[32] =
+ {'o', 'p', CPLUS_MARKER};
char *o = opname + 3;
-
+
/* Skip past '::'. */
*pp = p + 2;
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
p = *pp;
while (*p != '.')
{
/* Skip past '::'. */
*pp = p + 2;
}
- new_fnlist -> fn_fieldlist.name = main_fn_name;
-
+ new_fnlist->fn_fieldlist.name = main_fn_name;
+
do
{
new_sublist =
(struct next_fnfield *) xmalloc (sizeof (struct next_fnfield));
make_cleanup (free, new_sublist);
memset (new_sublist, 0, sizeof (struct next_fnfield));
-
+
/* Check for and handle cretinous dbx symbol name continuation! */
if (look_ahead_type == NULL)
{
/* Normal case. */
- STABS_CONTINUE (pp);
-
- new_sublist -> fn_field.type = read_type (pp, objfile);
+ STABS_CONTINUE (pp, objfile);
+
+ new_sublist->fn_field.type = read_type (pp, objfile);
if (**pp != ':')
{
/* Invalid symtab info for member function. */
else
{
/* g++ version 1 kludge */
- new_sublist -> fn_field.type = look_ahead_type;
+ new_sublist->fn_field.type = look_ahead_type;
look_ahead_type = NULL;
}
-
+
(*pp)++;
p = *pp;
while (*p != ';')
{
p++;
}
-
+
/* If this is just a stub, then we don't have the real name here. */
- if (TYPE_FLAGS (new_sublist -> fn_field.type) & TYPE_FLAG_STUB)
+ if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
{
- if (!TYPE_DOMAIN_TYPE (new_sublist -> fn_field.type))
- TYPE_DOMAIN_TYPE (new_sublist -> fn_field.type) = type;
- new_sublist -> fn_field.is_stub = 1;
+ if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
+ TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
+ new_sublist->fn_field.is_stub = 1;
}
- new_sublist -> fn_field.physname = savestring (*pp, p - *pp);
+ new_sublist->fn_field.physname = savestring (*pp, p - *pp);
*pp = p + 1;
-
+
/* Set this member function's visibility fields. */
switch (*(*pp)++)
{
- case VISIBILITY_PRIVATE:
- new_sublist -> fn_field.is_private = 1;
- break;
- case VISIBILITY_PROTECTED:
- new_sublist -> fn_field.is_protected = 1;
- break;
+ case VISIBILITY_PRIVATE:
+ new_sublist->fn_field.is_private = 1;
+ break;
+ case VISIBILITY_PROTECTED:
+ new_sublist->fn_field.is_protected = 1;
+ break;
}
-
- STABS_CONTINUE (pp);
+
+ STABS_CONTINUE (pp, objfile);
switch (**pp)
{
- case 'A': /* Normal functions. */
- new_sublist -> fn_field.is_const = 0;
- new_sublist -> fn_field.is_volatile = 0;
- (*pp)++;
- break;
- case 'B': /* `const' member functions. */
- new_sublist -> fn_field.is_const = 1;
- new_sublist -> fn_field.is_volatile = 0;
- (*pp)++;
- break;
- case 'C': /* `volatile' member function. */
- new_sublist -> fn_field.is_const = 0;
- new_sublist -> fn_field.is_volatile = 1;
- (*pp)++;
- break;
- case 'D': /* `const volatile' member function. */
- new_sublist -> fn_field.is_const = 1;
- new_sublist -> fn_field.is_volatile = 1;
- (*pp)++;
- break;
- case '*': /* File compiled with g++ version 1 -- no info */
- case '?':
- case '.':
- break;
- default:
- complain (&const_vol_complaint, **pp);
- break;
+ case 'A': /* Normal functions. */
+ new_sublist->fn_field.is_const = 0;
+ new_sublist->fn_field.is_volatile = 0;
+ (*pp)++;
+ break;
+ case 'B': /* `const' member functions. */
+ new_sublist->fn_field.is_const = 1;
+ new_sublist->fn_field.is_volatile = 0;
+ (*pp)++;
+ break;
+ case 'C': /* `volatile' member function. */
+ new_sublist->fn_field.is_const = 0;
+ new_sublist->fn_field.is_volatile = 1;
+ (*pp)++;
+ break;
+ case 'D': /* `const volatile' member function. */
+ new_sublist->fn_field.is_const = 1;
+ new_sublist->fn_field.is_volatile = 1;
+ (*pp)++;
+ break;
+ case '*': /* File compiled with g++ version 1 -- no info */
+ case '?':
+ case '.':
+ break;
+ default:
+ complain (&const_vol_complaint, **pp);
+ break;
}
-
+
switch (*(*pp)++)
{
- case '*':
+ case '*':
{
int nbits;
- /* virtual member function, followed by index.
+ /* virtual member function, followed by index.
The sign bit is set to distinguish pointers-to-methods
from virtual function indicies. Since the array is
in words, the quantity must be shifted left by 1
on 16 bit machine, and by 2 on 32 bit machine, forcing
the sign bit out, and usable as a valid index into
the array. Remove the sign bit here. */
- new_sublist -> fn_field.voffset =
+ new_sublist->fn_field.voffset =
(0x7fffffff & read_huge_number (pp, ';', &nbits)) + 2;
if (nbits != 0)
return 0;
-
- STABS_CONTINUE (pp);
+
+ STABS_CONTINUE (pp, objfile);
if (**pp == ';' || **pp == '\0')
{
/* Must be g++ version 1. */
- new_sublist -> fn_field.fcontext = 0;
+ new_sublist->fn_field.fcontext = 0;
}
else
{
}
else
{
- new_sublist -> fn_field.fcontext = look_ahead_type;
+ new_sublist->fn_field.fcontext = look_ahead_type;
if (**pp != ';')
{
return 0;
}
break;
}
- case '?':
- /* static member function. */
- new_sublist -> fn_field.voffset = VOFFSET_STATIC;
- if (strncmp (new_sublist -> fn_field.physname,
- main_fn_name, strlen (main_fn_name)))
- {
- new_sublist -> fn_field.is_stub = 1;
- }
- break;
-
- default:
- /* error */
- complain (&member_fn_complaint, (*pp)[-1]);
- /* Fall through into normal member function. */
-
- case '.':
- /* normal member function. */
- new_sublist -> fn_field.voffset = 0;
- new_sublist -> fn_field.fcontext = 0;
- break;
+ case '?':
+ /* static member function. */
+ new_sublist->fn_field.voffset = VOFFSET_STATIC;
+ if (strncmp (new_sublist->fn_field.physname,
+ main_fn_name, strlen (main_fn_name)))
+ {
+ new_sublist->fn_field.is_stub = 1;
+ }
+ break;
+
+ default:
+ /* error */
+ complain (&member_fn_complaint, (*pp)[-1]);
+ /* Fall through into normal member function. */
+
+ case '.':
+ /* normal member function. */
+ new_sublist->fn_field.voffset = 0;
+ new_sublist->fn_field.fcontext = 0;
+ break;
}
-
- new_sublist -> next = sublist;
+
+ new_sublist->next = sublist;
sublist = new_sublist;
length++;
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
}
while (**pp != ';' && **pp != '\0');
-
+
(*pp)++;
-
- new_fnlist -> fn_fieldlist.fn_fields = (struct fn_field *)
- obstack_alloc (&objfile -> type_obstack,
+
+ new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
+ obstack_alloc (&objfile->type_obstack,
sizeof (struct fn_field) * length);
- memset (new_fnlist -> fn_fieldlist.fn_fields, 0,
+ memset (new_fnlist->fn_fieldlist.fn_fields, 0,
sizeof (struct fn_field) * length);
- for (i = length; (i--, sublist); sublist = sublist -> next)
+ for (i = length; (i--, sublist); sublist = sublist->next)
{
- new_fnlist -> fn_fieldlist.fn_fields[i] = sublist -> fn_field;
+ new_fnlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
}
-
- new_fnlist -> fn_fieldlist.length = length;
- new_fnlist -> next = fip -> fnlist;
- fip -> fnlist = new_fnlist;
+
+ new_fnlist->fn_fieldlist.length = length;
+ new_fnlist->next = fip->fnlist;
+ fip->fnlist = new_fnlist;
nfn_fields++;
total_length += length;
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
}
if (nfn_fields)
*pp = p + 1;
/* At this point, *pp points to something like "22:23=*22...",
- where the type number before the ':' is the "context" and
- everything after is a regular type definition. Lookup the
- type, find it's name, and construct the field name. */
+ where the type number before the ':' is the "context" and
+ everything after is a regular type definition. Lookup the
+ type, find it's name, and construct the field name. */
context = read_type (pp, objfile);
switch (cpp_abbrev)
{
- case 'f': /* $vf -- a virtual function table pointer */
- fip->list->field.name =
- obconcat (&objfile->type_obstack, vptr_name, "", "");
- break;
+ case 'f': /* $vf -- a virtual function table pointer */
+ fip->list->field.name =
+ obconcat (&objfile->type_obstack, vptr_name, "", "");
+ break;
- case 'b': /* $vb -- a virtual bsomethingorother */
- name = type_name_no_tag (context);
- if (name == NULL)
- {
- complain (&invalid_cpp_type_complaint, symnum);
- name = "FOO";
- }
- fip->list->field.name =
- obconcat (&objfile->type_obstack, vb_name, name, "");
- break;
+ case 'b': /* $vb -- a virtual bsomethingorother */
+ name = type_name_no_tag (context);
+ if (name == NULL)
+ {
+ complain (&invalid_cpp_type_complaint, symnum);
+ name = "FOO";
+ }
+ fip->list->field.name =
+ obconcat (&objfile->type_obstack, vb_name, name, "");
+ break;
- default:
- complain (&invalid_cpp_abbrev_complaint, *pp);
- fip->list->field.name =
- obconcat (&objfile->type_obstack,
- "INVALID_CPLUSPLUS_ABBREV", "", "");
- break;
+ default:
+ complain (&invalid_cpp_abbrev_complaint, *pp);
+ fip->list->field.name =
+ obconcat (&objfile->type_obstack,
+ "INVALID_CPLUSPLUS_ABBREV", "", "");
+ break;
}
/* At this point, *pp points to the ':'. Skip it and read the
- field type. */
+ field type. */
p = ++(*pp);
if (p[-1] != ':')
}
fip->list->field.type = read_type (pp, objfile);
if (**pp == ',')
- (*pp)++; /* Skip the comma. */
+ (*pp)++; /* Skip the comma. */
else
return 0;
{
int nbits;
- fip->list->field.bitpos = read_huge_number (pp, ';', &nbits);
+ FIELD_BITPOS (fip->list->field) = read_huge_number (pp, ';', &nbits);
if (nbits != 0)
return 0;
}
/* This field is unpacked. */
- fip->list->field.bitsize = 0;
+ FIELD_BITSIZE (fip->list->field) = 0;
fip->list->visibility = VISIBILITY_PRIVATE;
}
else
{
complain (&invalid_cpp_abbrev_complaint, *pp);
/* We have no idea what syntax an unrecognized abbrev would have, so
- better return 0. If we returned 1, we would need to at least advance
- *pp to avoid an infinite loop. */
+ better return 0. If we returned 1, we would need to at least advance
+ *pp to avoid an infinite loop. */
return 0;
}
return 1;
struct type *type;
struct objfile *objfile;
{
- fip -> list -> field.name =
- obsavestring (*pp, p - *pp, &objfile -> type_obstack);
+ /* The following is code to work around cfront generated stabs.
+ The stabs contains full mangled name for each field.
+ We try to demangle the name and extract the field name out of it.
+ */
+ if (ARM_DEMANGLING && current_subfile->language == language_cplus)
+ {
+ char save_p;
+ char *dem, *dem_p;
+ save_p = *p;
+ *p = '\0';
+ dem = cplus_demangle (*pp, DMGL_ANSI | DMGL_PARAMS);
+ if (dem != NULL)
+ {
+ dem_p = strrchr (dem, ':');
+ if (dem_p != 0 && *(dem_p - 1) == ':')
+ dem_p++;
+ FIELD_NAME (fip->list->field) =
+ obsavestring (dem_p, strlen (dem_p), &objfile->type_obstack);
+ }
+ else
+ {
+ FIELD_NAME (fip->list->field) =
+ obsavestring (*pp, p - *pp, &objfile->type_obstack);
+ }
+ *p = save_p;
+ }
+ /* end of code for cfront work around */
+
+ else
+ fip->list->field.name =
+ obsavestring (*pp, p - *pp, &objfile->type_obstack);
*pp = p + 1;
/* This means we have a visibility for a field coming. */
if (**pp == '/')
{
(*pp)++;
- fip -> list -> visibility = *(*pp)++;
+ fip->list->visibility = *(*pp)++;
}
else
{
/* normal dbx-style format, no explicit visibility */
- fip -> list -> visibility = VISIBILITY_PUBLIC;
+ fip->list->visibility = VISIBILITY_PUBLIC;
}
- fip -> list -> field.type = read_type (pp, objfile);
+ fip->list->field.type = read_type (pp, objfile);
if (**pp == ':')
{
p = ++(*pp);
/* Possible future hook for nested types. */
if (**pp == '!')
{
- fip -> list -> field.bitpos = (long)-2; /* nested type */
+ fip->list->field.bitpos = (long) -2; /* nested type */
p = ++(*pp);
}
else
+ ...;
#endif
- {
- /* Static class member. */
- fip -> list -> field.bitpos = (long) -1;
- }
- while (*p != ';')
+ while (*p != ';')
{
p++;
}
- fip -> list -> field.bitsize = (long) savestring (*pp, p - *pp);
+ /* Static class member. */
+ SET_FIELD_PHYSNAME (fip->list->field, savestring (*pp, p - *pp));
*pp = p + 1;
return;
}
{
int nbits;
- fip -> list -> field.bitpos = read_huge_number (pp, ',', &nbits);
+ FIELD_BITPOS (fip->list->field) = read_huge_number (pp, ',', &nbits);
if (nbits != 0)
{
complain (&stabs_general_complaint, "bad structure-type format");
return;
}
- fip -> list -> field.bitsize = read_huge_number (pp, ';', &nbits);
+ FIELD_BITSIZE (fip->list->field) = read_huge_number (pp, ';', &nbits);
if (nbits != 0)
{
complain (&stabs_general_complaint, "bad structure-type format");
}
}
- if (fip -> list -> field.bitpos == 0 && fip -> list -> field.bitsize == 0)
+ if (FIELD_BITPOS (fip->list->field) == 0
+ && FIELD_BITSIZE (fip->list->field) == 0)
{
/* This can happen in two cases: (1) at least for gcc 2.4.5 or so,
- it is a field which has been optimized out. The correct stab for
- this case is to use VISIBILITY_IGNORE, but that is a recent
- invention. (2) It is a 0-size array. For example
- union { int num; char str[0]; } foo. Printing "<no value>" for
- str in "p foo" is OK, since foo.str (and thus foo.str[3])
- will continue to work, and a 0-size array as a whole doesn't
- have any contents to print.
-
- I suspect this probably could also happen with gcc -gstabs (not
- -gstabs+) for static fields, and perhaps other C++ extensions.
- Hopefully few people use -gstabs with gdb, since it is intended
- for dbx compatibility. */
+ it is a field which has been optimized out. The correct stab for
+ this case is to use VISIBILITY_IGNORE, but that is a recent
+ invention. (2) It is a 0-size array. For example
+ union { int num; char str[0]; } foo. Printing "<no value>" for
+ str in "p foo" is OK, since foo.str (and thus foo.str[3])
+ will continue to work, and a 0-size array as a whole doesn't
+ have any contents to print.
+
+ I suspect this probably could also happen with gcc -gstabs (not
+ -gstabs+) for static fields, and perhaps other C++ extensions.
+ Hopefully few people use -gstabs with gdb, since it is intended
+ for dbx compatibility. */
/* Ignore this field. */
- fip -> list-> visibility = VISIBILITY_IGNORE;
+ fip->list->visibility = VISIBILITY_IGNORE;
}
else
{
/* Detect an unpacked field and mark it as such.
- dbx gives a bit size for all fields.
- Note that forward refs cannot be packed,
- and treat enums as if they had the width of ints. */
-
- if (TYPE_CODE (fip -> list -> field.type) != TYPE_CODE_INT
- && TYPE_CODE (fip -> list -> field.type) != TYPE_CODE_ENUM)
- {
- fip -> list -> field.bitsize = 0;
- }
- if ((fip -> list -> field.bitsize
- == TARGET_CHAR_BIT * TYPE_LENGTH (fip -> list -> field.type)
- || (TYPE_CODE (fip -> list -> field.type) == TYPE_CODE_ENUM
- && (fip -> list -> field.bitsize
- == TARGET_INT_BIT)
- )
- )
+ dbx gives a bit size for all fields.
+ Note that forward refs cannot be packed,
+ and treat enums as if they had the width of ints. */
+
+ struct type *field_type = check_typedef (FIELD_TYPE (fip->list->field));
+
+ if (TYPE_CODE (field_type) != TYPE_CODE_INT
+ && TYPE_CODE (field_type) != TYPE_CODE_RANGE
+ && TYPE_CODE (field_type) != TYPE_CODE_BOOL
+ && TYPE_CODE (field_type) != TYPE_CODE_ENUM)
+ {
+ FIELD_BITSIZE (fip->list->field) = 0;
+ }
+ if ((FIELD_BITSIZE (fip->list->field)
+ == TARGET_CHAR_BIT * TYPE_LENGTH (field_type)
+ || (TYPE_CODE (field_type) == TYPE_CODE_ENUM
+ && FIELD_BITSIZE (fip->list->field) == TARGET_INT_BIT)
+ )
&&
- fip -> list -> field.bitpos % 8 == 0)
+ FIELD_BITPOS (fip->list->field) % 8 == 0)
{
- fip -> list -> field.bitsize = 0;
+ FIELD_BITSIZE (fip->list->field) = 0;
}
}
}
/* Read struct or class data fields. They have the form:
- NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ;
+ NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ;
At the end, we see a semicolon instead of a field.
The optional VISIBILITY is one of:
- '/0' (VISIBILITY_PRIVATE)
- '/1' (VISIBILITY_PROTECTED)
- '/2' (VISIBILITY_PUBLIC)
- '/9' (VISIBILITY_IGNORE)
+ '/0' (VISIBILITY_PRIVATE)
+ '/1' (VISIBILITY_PROTECTED)
+ '/2' (VISIBILITY_PUBLIC)
+ '/9' (VISIBILITY_IGNORE)
or nothing, for C style fields with public visibility.
while (**pp != ';')
{
- if (os9k_stabs && **pp == ',') break;
- STABS_CONTINUE (pp);
+ if (os9k_stabs && **pp == ',')
+ break;
+ STABS_CONTINUE (pp, objfile);
/* Get space to record the next field's data. */
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
make_cleanup (free, new);
memset (new, 0, sizeof (struct nextfield));
- new -> next = fip -> list;
- fip -> list = new;
+ new->next = fip->list;
+ fip->list = new;
/* Get the field name. */
p = *pp;
/* If is starts with CPLUS_MARKER it is a special abbreviation,
- unless the CPLUS_MARKER is followed by an underscore, in
- which case it is just the name of an anonymous type, which we
- should handle like any other type name. We accept either '$'
- or '.', because a field name can never contain one of these
- characters except as a CPLUS_MARKER (we probably should be
- doing that in most parts of GDB). */
+ unless the CPLUS_MARKER is followed by an underscore, in
+ which case it is just the name of an anonymous type, which we
+ should handle like any other type name. */
- if ((*p == '$' || *p == '.') && p[1] != '_')
+ if (is_cplus_marker (p[0]) && p[1] != '_')
{
if (!read_cpp_abbrev (fip, pp, type, objfile))
return 0;
}
/* Look for the ':' that separates the field name from the field
- values. Data members are delimited by a single ':', while member
- functions are delimited by a pair of ':'s. When we hit the member
- functions (if any), terminate scan loop and return. */
+ values. Data members are delimited by a single ':', while member
+ functions are delimited by a pair of ':'s. When we hit the member
+ functions (if any), terminate scan loop and return. */
- while (*p != ':' && *p != '\0')
+ while (*p != ':' && *p != '\0')
{
p++;
}
if (p[0] == ':' && p[1] == ':')
{
/* chill the list of fields: the last entry (at the head) is a
- partially constructed entry which we now scrub. */
- fip -> list = fip -> list -> next;
+ partially constructed entry which we now scrub. */
+ fip->list = fip->list->next;
}
return 1;
}
-
+/* *INDENT-OFF* */
/* The stabs for C++ derived classes contain baseclass information which
is marked by a '!' character after the total size. This function is
called when we encounter the baseclass marker, and slurps up all the
Type number of base class ____________________________________|
Return 1 for success, 0 for (error-type-inducing) failure. */
+/* *INDENT-ON* */
+
+
static int
read_baseclasses (fip, pp, type, objfile)
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
make_cleanup (free, new);
memset (new, 0, sizeof (struct nextfield));
- new -> next = fip -> list;
- fip -> list = new;
- new -> field.bitsize = 0; /* this should be an unpacked field! */
+ new->next = fip->list;
+ fip->list = new;
+ FIELD_BITSIZE (new->field) = 0; /* this should be an unpacked field! */
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
switch (**pp)
{
- case '0':
- /* Nothing to do. */
- break;
- case '1':
- SET_TYPE_FIELD_VIRTUAL (type, i);
- break;
- default:
- /* Unknown character. Complain and treat it as non-virtual. */
+ case '0':
+ /* Nothing to do. */
+ break;
+ case '1':
+ SET_TYPE_FIELD_VIRTUAL (type, i);
+ break;
+ default:
+ /* Unknown character. Complain and treat it as non-virtual. */
+ {
+ static struct complaint msg =
{
- static struct complaint msg = {
- "Unknown virtual character `%c' for baseclass", 0, 0};
- complain (&msg, **pp);
- }
+ "Unknown virtual character `%c' for baseclass", 0, 0};
+ complain (&msg, **pp);
+ }
}
++(*pp);
- new -> visibility = *(*pp)++;
- switch (new -> visibility)
+ new->visibility = *(*pp)++;
+ switch (new->visibility)
{
- case VISIBILITY_PRIVATE:
- case VISIBILITY_PROTECTED:
- case VISIBILITY_PUBLIC:
- break;
- default:
- /* Bad visibility format. Complain and treat it as
- public. */
+ case VISIBILITY_PRIVATE:
+ case VISIBILITY_PROTECTED:
+ case VISIBILITY_PUBLIC:
+ break;
+ default:
+ /* Bad visibility format. Complain and treat it as
+ public. */
+ {
+ static struct complaint msg =
{
- static struct complaint msg = {
- "Unknown visibility `%c' for baseclass", 0, 0};
- complain (&msg, new -> visibility);
- new -> visibility = VISIBILITY_PUBLIC;
- }
+ "Unknown visibility `%c' for baseclass", 0, 0};
+ complain (&msg, new->visibility);
+ new->visibility = VISIBILITY_PUBLIC;
+ }
}
{
int nbits;
-
+
/* The remaining value is the bit offset of the portion of the object
corresponding to this baseclass. Always zero in the absence of
multiple inheritance. */
- new -> field.bitpos = read_huge_number (pp, ',', &nbits);
+ FIELD_BITPOS (new->field) = read_huge_number (pp, ',', &nbits);
if (nbits != 0)
return 0;
}
/* The last piece of baseclass information is the type of the
- base class. Read it, and remember it's type name as this
- field's name. */
+ base class. Read it, and remember it's type name as this
+ field's name. */
- new -> field.type = read_type (pp, objfile);
- new -> field.name = type_name_no_tag (new -> field.type);
+ new->field.type = read_type (pp, objfile);
+ new->field.name = type_name_no_tag (new->field.type);
/* skip trailing ';' and bump count of number of fields seen */
if (**pp == ';')
{
register char *p;
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
/* If we are positioned at a ';', then skip it. */
if (**pp == ';')
/* Premature end of symbol. */
return 0;
}
-
+
TYPE_VPTR_BASETYPE (type) = t;
- if (type == t) /* Our own class provides vtbl ptr */
+ if (type == t) /* Our own class provides vtbl ptr */
{
for (i = TYPE_NFIELDS (t) - 1;
i >= TYPE_N_BASECLASSES (t);
--i)
{
- if (! strncmp (TYPE_FIELD_NAME (t, i), vptr_name,
- sizeof (vptr_name) - 1))
+ if (!strncmp (TYPE_FIELD_NAME (t, i), vptr_name,
+ sizeof (vptr_name) - 1))
{
TYPE_VPTR_FIELDNO (type) = i;
goto gotit;
TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (t);
}
- gotit:
+ gotit:
*pp = p + 1;
}
}
{
register int n;
- for (n = 0; n < TYPE_N_BASECLASSES (type); n++)
+ for (n = TYPE_NFN_FIELDS (type);
+ fip->fnlist != NULL;
+ fip->fnlist = fip->fnlist->next)
+ {
+ --n; /* Circumvent Sun3 compiler bug */
+ TYPE_FN_FIELDLISTS (type)[n] = fip->fnlist->fn_fieldlist;
+ }
+ return 1;
+}
+
+/* read cfront class static data.
+ pp points to string starting with the list of static data
+ eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
+ ^^^^^^^^
+
+ A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
+ ^
+ */
+
+static int
+read_cfront_static_fields (fip, pp, type, objfile)
+ struct field_info *fip;
+ char **pp;
+ struct type *type;
+ struct objfile *objfile;
+{
+ struct nextfield *new;
+ struct type *stype;
+ char *sname;
+ struct symbol *ref_static = 0;
+
+ if (**pp == ';') /* no static data; return */
+ {
+ ++(*pp);
+ return 1;
+ }
+
+ /* Process each field in the list until we find the terminating ";" */
+
+ /* eg: p = "as__1A ;;;" */
+ STABS_CONTINUE (pp, objfile); /* handle \\ */
+ while (**pp != ';' && (sname = get_substring (pp, ' '), sname))
{
- if (TYPE_CODE (TYPE_BASECLASS (type, n)) == TYPE_CODE_UNDEF)
+ ref_static = lookup_symbol (sname, 0, VAR_NAMESPACE, 0, 0); /*demangled_name */
+ if (!ref_static)
{
- /* @@ Memory leak on objfile -> type_obstack? */
- return 0;
+ static struct complaint msg =
+ {"\
+ Unable to find symbol for static data field %s\n",
+ 0, 0};
+ complain (&msg, sname);
+ continue;
}
- TYPE_NFN_FIELDS_TOTAL (type) +=
- TYPE_NFN_FIELDS_TOTAL (TYPE_BASECLASS (type, n));
- }
+ stype = SYMBOL_TYPE (ref_static);
- for (n = TYPE_NFN_FIELDS (type);
- fip -> fnlist != NULL;
- fip -> fnlist = fip -> fnlist -> next)
+ /* allocate a new fip */
+ new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
+ make_cleanup (free, new);
+ memset (new, 0, sizeof (struct nextfield));
+ new->next = fip->list;
+ fip->list = new;
+
+ /* set visibility */
+ /* FIXME! no way to tell visibility from stabs??? */
+ new->visibility = VISIBILITY_PUBLIC;
+
+ /* set field info into fip */
+ fip->list->field.type = stype;
+
+ /* set bitpos & bitsize */
+ SET_FIELD_PHYSNAME (fip->list->field, savestring (sname, strlen (sname)));
+
+ /* set name field */
+ /* The following is code to work around cfront generated stabs.
+ The stabs contains full mangled name for each field.
+ We try to demangle the name and extract the field name out of it.
+ */
+ if (ARM_DEMANGLING)
+ {
+ char *dem, *dem_p;
+ dem = cplus_demangle (sname, DMGL_ANSI | DMGL_PARAMS);
+ if (dem != NULL)
+ {
+ dem_p = strrchr (dem, ':');
+ if (dem_p != 0 && *(dem_p - 1) == ':')
+ dem_p++;
+ fip->list->field.name =
+ obsavestring (dem_p, strlen (dem_p), &objfile->type_obstack);
+ }
+ else
+ {
+ fip->list->field.name =
+ obsavestring (sname, strlen (sname), &objfile->type_obstack);
+ }
+ } /* end of code for cfront work around */
+ } /* loop again for next static field */
+ return 1;
+}
+
+/* Copy structure fields to fip so attach_fields_to_type will work.
+ type has already been created with the initial instance data fields.
+ Now we want to be able to add the other members to the class,
+ so we want to add them back to the fip and reattach them again
+ once we have collected all the class members. */
+
+static int
+copy_cfront_struct_fields (fip, type, objfile)
+ struct field_info *fip;
+ struct type *type;
+ struct objfile *objfile;
+{
+ int nfields = TYPE_NFIELDS (type);
+ int i;
+ struct nextfield *new;
+
+ /* Copy the fields into the list of fips and reset the types
+ to remove the old fields */
+
+ for (i = 0; i < nfields; i++)
{
- --n; /* Circumvent Sun3 compiler bug */
- TYPE_FN_FIELDLISTS (type)[n] = fip -> fnlist -> fn_fieldlist;
+ /* allocate a new fip */
+ new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
+ make_cleanup (free, new);
+ memset (new, 0, sizeof (struct nextfield));
+ new->next = fip->list;
+ fip->list = new;
+
+ /* copy field info into fip */
+ new->field = TYPE_FIELD (type, i);
+ /* set visibility */
+ if (TYPE_FIELD_PROTECTED (type, i))
+ new->visibility = VISIBILITY_PROTECTED;
+ else if (TYPE_FIELD_PRIVATE (type, i))
+ new->visibility = VISIBILITY_PRIVATE;
+ else
+ new->visibility = VISIBILITY_PUBLIC;
}
+ /* Now delete the fields from the type since we will be
+ allocing new space once we get the rest of the fields
+ in attach_fields_to_type.
+ The pointer TYPE_FIELDS(type) is left dangling but should
+ be freed later by objstack_free */
+ TYPE_FIELDS (type) = 0;
+ TYPE_NFIELDS (type) = 0;
+
return 1;
}
allocate and build the private_field_bits and protected_field_bits
bitfields. */
- for (scan = fip -> list; scan != NULL; scan = scan -> next)
+ for (scan = fip->list; scan != NULL; scan = scan->next)
{
nfields++;
- if (scan -> visibility != VISIBILITY_PUBLIC)
+ if (scan->visibility != VISIBILITY_PUBLIC)
{
non_public_fields++;
}
while (nfields-- > 0)
{
- TYPE_FIELD (type, nfields) = fip -> list -> field;
- switch (fip -> list -> visibility)
+ TYPE_FIELD (type, nfields) = fip->list->field;
+ switch (fip->list->visibility)
{
- case VISIBILITY_PRIVATE:
- SET_TYPE_FIELD_PRIVATE (type, nfields);
- break;
+ case VISIBILITY_PRIVATE:
+ SET_TYPE_FIELD_PRIVATE (type, nfields);
+ break;
- case VISIBILITY_PROTECTED:
- SET_TYPE_FIELD_PROTECTED (type, nfields);
- break;
+ case VISIBILITY_PROTECTED:
+ SET_TYPE_FIELD_PROTECTED (type, nfields);
+ break;
- case VISIBILITY_IGNORE:
- SET_TYPE_FIELD_IGNORE (type, nfields);
- break;
+ case VISIBILITY_IGNORE:
+ SET_TYPE_FIELD_IGNORE (type, nfields);
+ break;
- case VISIBILITY_PUBLIC:
- break;
+ case VISIBILITY_PUBLIC:
+ break;
- default:
- /* Unknown visibility. Complain and treat it as public. */
+ default:
+ /* Unknown visibility. Complain and treat it as public. */
+ {
+ static struct complaint msg =
{
- static struct complaint msg = {
- "Unknown visibility `%c' for field", 0, 0};
- complain (&msg, fip -> list -> visibility);
- }
- break;
+ "Unknown visibility `%c' for field", 0, 0};
+ complain (&msg, fip->list->visibility);
+ }
+ break;
}
- fip -> list = fip -> list -> next;
+ fip->list = fip->list->next;
}
return 1;
}
OBJFILE points to the current objfile from which the stabs information is
being read. (Note that it is redundant in that TYPE also contains a pointer
to this same objfile, so it might be a good idea to eliminate it. FIXME).
- */
+ */
static struct type *
read_struct_type (pp, type, objfile)
int nbits;
TYPE_LENGTH (type) = read_huge_number (pp, 0, &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
}
/* Now read the baseclasses, if any, read the regular C struct or C++
|| !attach_fn_fields_to_type (&fi, type)
|| !read_tilde_fields (&fi, pp, type, objfile))
{
- do_cleanups (back_to);
- return (error_type (pp));
+ type = error_type (pp, objfile);
}
do_cleanups (back_to);
index_type = read_type (pp, objfile);
if (**pp != ';')
/* Improper format of array type decl. */
- return error_type (pp);
+ return error_type (pp, objfile);
++*pp;
}
}
lower = read_huge_number (pp, os9k_stabs ? ',' : ';', &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
if (!(**pp >= '0' && **pp <= '9') && **pp != '-')
{
}
upper = read_huge_number (pp, ';', &nbits);
if (nbits != 0)
- return error_type (pp);
-
+ return error_type (pp, objfile);
+
element_type = read_type (pp, objfile);
if (adjustable)
create_range_type ((struct type *) NULL, index_type, lower, upper);
type = create_array_type (type, element_type, range_type);
- /* If we have an array whose element type is not yet known, but whose
- bounds *are* known, record it to be adjusted at the end of the file. */
- /* FIXME: Why check for zero length rather than TYPE_FLAG_STUB? I think
- the two have the same effect except that the latter is cleaner and the
- former would be wrong for types which really are zero-length (if we
- have any). */
-
- if (TYPE_LENGTH (element_type) == 0 && !adjustable)
- {
- TYPE_FLAGS (type) |= TYPE_FLAG_TARGET_STUB;
- add_undefined_type (type);
- }
-
return type;
}
struct pending *osyms, *syms;
int o_nsyms;
int nbits;
+ int unsigned_enum = 1;
#if 0
/* FIXME! The stabs produced by Sun CC merrily define things that ought
if (os9k_stabs)
{
/* Size. Perhaps this does not have to be conditionalized on
- os9k_stabs (assuming the name of an enum constant can't start
- with a digit). */
+ os9k_stabs (assuming the name of an enum constant can't start
+ with a digit). */
read_huge_number (pp, 0, &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
+ }
+
+ /* The aix4 compiler emits an extra field before the enum members;
+ my guess is it's a type of some sort. Just ignore it. */
+ if (**pp == '-')
+ {
+ /* Skip over the type. */
+ while (**pp != ':')
+ (*pp)++;
+
+ /* Skip over the colon. */
+ (*pp)++;
}
/* Read the value-names and their values.
A semicolon or comma instead of a NAME means the end. */
while (**pp && **pp != ';' && **pp != ',')
{
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
p = *pp;
- while (*p != ':') p++;
- name = obsavestring (*pp, p - *pp, &objfile -> symbol_obstack);
+ while (*p != ':')
+ p++;
+ name = obsavestring (*pp, p - *pp, &objfile->symbol_obstack);
*pp = p + 1;
n = read_huge_number (pp, ',', &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
sym = (struct symbol *)
- obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol));
+ obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
SYMBOL_NAME (sym) = name;
- SYMBOL_LANGUAGE (sym) = current_subfile -> language;
+ SYMBOL_LANGUAGE (sym) = current_subfile->language;
SYMBOL_CLASS (sym) = LOC_CONST;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
SYMBOL_VALUE (sym) = n;
+ if (n < 0)
+ unsigned_enum = 0;
add_symbol_to_list (sym, symlist);
nsyms++;
}
TYPE_LENGTH (type) = TARGET_INT_BIT / HOST_CHAR_BIT;
TYPE_CODE (type) = TYPE_CODE_ENUM;
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
+ if (unsigned_enum)
+ TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
TYPE_NFIELDS (type) = nsyms;
TYPE_FIELDS (type) = (struct field *)
TYPE_ALLOC (type, sizeof (struct field) * nsyms);
that in something like "enum {FOO, LAST_THING=FOO}" we print
FOO, not LAST_THING. */
- for (syms = *symlist, n = 0; syms; syms = syms->next)
+ for (syms = *symlist, n = nsyms - 1; syms; syms = syms->next)
{
- int j = 0;
- if (syms == osyms)
- j = o_nsyms;
- for (; j < syms->nsyms; j++,n++)
+ int last = syms == osyms ? o_nsyms : 0;
+ int j = syms->nsyms;
+ for (; --j >= last; --n)
{
struct symbol *xsym = syms->symbol[j];
SYMBOL_TYPE (xsym) = type;
TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
- TYPE_FIELD_VALUE (type, n) = 0;
TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
TYPE_FIELD_BITSIZE (type, n) = 0;
}
/* Sun's ACC uses a somewhat saner method for specifying the builtin
typedefs in every file (for int, long, etc):
- type = b <signed> <width>; <offset>; <nbits>
- signed = u or s. Possible c in addition to u or s (for char?).
- offset = offset from high order bit to start bit of type.
- width is # bytes in object of this type, nbits is # bits in type.
+ type = b <signed> <width> <format type>; <offset>; <nbits>
+ signed = u or s.
+ optional format type = c or b for char or boolean.
+ offset = offset from high order bit to start bit of type.
+ width is # bytes in object of this type, nbits is # bits in type.
The width/offset stuff appears to be for small objects stored in
larger ones (e.g. `shorts' in `int' registers). We ignore it for now,
int type_bits;
int nbits;
int signed_type;
+ enum type_code code = TYPE_CODE_INT;
switch (**pp)
{
- case 's':
- signed_type = 1;
- break;
- case 'u':
- signed_type = 0;
- break;
- default:
- return error_type (pp);
+ case 's':
+ signed_type = 1;
+ break;
+ case 'u':
+ signed_type = 0;
+ break;
+ default:
+ return error_type (pp, objfile);
}
(*pp)++;
/* For some odd reason, all forms of char put a c here. This is strange
because no other type has this honor. We can safely ignore this because
we actually determine 'char'acterness by the number of bits specified in
- the descriptor. */
+ the descriptor.
+ Boolean forms, e.g Fortran logical*X, put a b here. */
if (**pp == 'c')
(*pp)++;
+ else if (**pp == 'b')
+ {
+ code = TYPE_CODE_BOOL;
+ (*pp)++;
+ }
/* The first number appears to be the number of bytes occupied
by this type, except that unsigned short is 4 instead of 2.
we will ignore it. */
read_huge_number (pp, ';', &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
/* The second number is always 0, so ignore it too. */
read_huge_number (pp, ';', &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
/* The third number is the number of bits for this type. */
type_bits = read_huge_number (pp, 0, &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
/* The type *should* end with a semicolon. If it are embedded
in a larger type the semicolon may be the only way to know where
the type ends. If this type is at the end of the stabstring we
if (type_bits == 0)
return init_type (TYPE_CODE_VOID, 1,
- signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *)NULL,
+ signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *) NULL,
objfile);
else
- return init_type (TYPE_CODE_INT,
+ return init_type (code,
type_bits / TARGET_CHAR_BIT,
- signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *)NULL,
+ signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *) NULL,
objfile);
}
FN_COMPLEX. */
details = read_huge_number (pp, ';', &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
/* The second number is the number of bytes occupied by this type */
nbytes = read_huge_number (pp, ';', &nbits);
if (nbits != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
if (details == NF_COMPLEX || details == NF_COMPLEX16
|| details == NF_COMPLEX32)
/* This is a type we can't handle, but we do know the size.
We also will be able to give it a name. */
- return init_type (TYPE_CODE_ERROR, nbytes, 0, NULL, objfile);
+ return init_type (TYPE_CODE_COMPLEX, nbytes, 0, NULL, objfile);
return init_type (TYPE_CODE_FLT, nbytes, 0, NULL, objfile);
}
int nbits = 0;
int c;
long upper_limit;
-
+
if (*p == '-')
{
sign = -1;
}
else
overflow = 1;
-
+
/* This depends on large values being output in octal, which is
- what GCC does. */
+ what GCC does. */
if (radix == 8)
{
if (nbits == 0)
*bits = -1;
return 0;
}
-
+
/* -0x7f is the same as 0x80. So deal with it by adding one to
- the number of bits. */
+ the number of bits. */
if (sign == -1)
++nbits;
if (bits)
int typenums[2];
struct objfile *objfile;
{
+ char *orig_pp = *pp;
int rangenums[2];
long n2, n3;
int n2bits, n3bits;
int self_subrange;
struct type *result_type;
- struct type *index_type;
+ struct type *index_type = NULL;
/* First comes a type we are a subrange of.
In C it is usually 0, 1 or the type being defined. */
- /* FIXME: according to stabs.texinfo and AIX doc, this can be a type-id
- not just a type number. */
if (read_type_number (pp, rangenums) != 0)
- return error_type (pp);
+ return error_type (pp, objfile);
self_subrange = (rangenums[0] == typenums[0] &&
rangenums[1] == typenums[1]);
+ if (**pp == '=')
+ {
+ *pp = orig_pp;
+ index_type = read_type (pp, objfile);
+ }
+
/* A semicolon should now follow; skip it. */
if (**pp == ';')
(*pp)++;
n3 = read_huge_number (pp, ';', &n3bits);
if (n2bits == -1 || n3bits == -1)
- return error_type (pp);
-
+ return error_type (pp, objfile);
+
+ if (index_type)
+ goto handle_true_range;
+
/* If limits are huge, must be large integral type. */
if (n2bits != 0 || n3bits != 0)
{
nbits = n3bits;
}
/* Range from <large number> to <large number>-1 is a large signed
- integral type. Take care of the case where <large number> doesn't
- fit in a long but <large number>-1 does. */
+ integral type. Take care of the case where <large number> doesn't
+ fit in a long but <large number>-1 does. */
else if ((n2bits != 0 && n3bits != 0 && n2bits == n3bits + 1)
|| (n2bits != 0 && n3bits == 0
&& (n2bits == sizeof (long) * HOST_CHAR_BIT)
objfile);
}
else
- return error_type (pp);
+ return error_type (pp, objfile);
}
/* A type defined as a subrange of itself, with bounds both 0, is void. */
if (self_subrange && n2 == 0 && n3 == 0)
return init_type (TYPE_CODE_VOID, 1, 0, NULL, objfile);
- /* If n3 is zero and n2 is not, we want a floating type,
- and n2 is the width in bytes.
-
- Fortran programs appear to use this for complex types also,
- and they give no way to distinguish between double and single-complex!
+ /* If n3 is zero and n2 is positive, we want a floating type, and n2
+ is the width in bytes.
- GDB does not have complex types.
+ Fortran programs appear to use this for complex types also. To
+ distinguish between floats and complex, g77 (and others?) seem
+ to use self-subranges for the complexes, and subranges of int for
+ the floats.
- Just return the complex as a float of that size. It won't work right
- for the complex values, but at least it makes the file loadable. */
+ Also note that for complexes, g77 sets n2 to the size of one of
+ the member floats, not the whole complex beast. My guess is that
+ this was to work well with pre-COMPLEX versions of gdb. */
if (n3 == 0 && n2 > 0)
{
- return init_type (TYPE_CODE_FLT, n2, 0, NULL, objfile);
+ if (self_subrange)
+ {
+ return init_type (TYPE_CODE_COMPLEX, 2 * n2, 0, NULL, objfile);
+ }
+ else
+ {
+ return init_type (TYPE_CODE_FLT, n2, 0, NULL, objfile);
+ }
}
/* If the upper bound is -1, it must really be an unsigned int. */
{
/* It is unsigned int or unsigned long. */
/* GCC 2.3.3 uses this for long long too, but that is just a GDB 3.5
- compatibility hack. */
+ compatibility hack. */
return init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, NULL, objfile);
}
else if (self_subrange && n2 == 0 && n3 == 127)
return init_type (TYPE_CODE_INT, 1, 0, NULL, objfile);
+ else if (current_symbol && SYMBOL_LANGUAGE (current_symbol) == language_chill
+ && !self_subrange)
+ goto handle_true_range;
+
/* We used to do this only for subrange of self or subrange of int. */
else if (n2 == 0)
{
+ /* -1 is used for the upper bound of (4 byte) "unsigned int" and
+ "unsigned long", and we already checked for that,
+ so don't need to test for it here. */
+
if (n3 < 0)
/* n3 actually gives the size. */
- return init_type (TYPE_CODE_INT, - n3, TYPE_FLAG_UNSIGNED,
+ return init_type (TYPE_CODE_INT, -n3, TYPE_FLAG_UNSIGNED,
NULL, objfile);
- if (n3 == 0xff)
- return init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED, NULL, objfile);
- if (n3 == 0xffff)
- return init_type (TYPE_CODE_INT, 2, TYPE_FLAG_UNSIGNED, NULL, objfile);
- /* -1 is used for the upper bound of (4 byte) "unsigned int" and
- "unsigned long", and we already checked for that,
- so don't need to test for it here. */
+ /* Is n3 == 2**(8n))-1 for some integer n? Then it's an
+ unsigned n-byte integer. But do require n to be a power of
+ two; we don't want 3- and 5-byte integers flying around. */
+ {
+ int bytes;
+ unsigned long bits;
+
+ bits = n3;
+ for (bytes = 0; (bits & 0xff) == 0xff; bytes++)
+ bits >>= 8;
+ if (bits == 0
+ && ((bytes - 1) & bytes) == 0) /* "bytes is a power of two" */
+ return init_type (TYPE_CODE_INT, bytes, TYPE_FLAG_UNSIGNED, NULL,
+ objfile);
+ }
}
/* I think this is for Convex "long long". Since I don't know whether
Convex sets self_subrange, I also accept that particular size regardless
of self_subrange. */
else if (n3 == 0 && n2 < 0
&& (self_subrange
- || n2 == - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT))
- return init_type (TYPE_CODE_INT, - n2, 0, NULL, objfile);
- else if (n2 == -n3 -1)
+ || n2 == -TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT))
+ return init_type (TYPE_CODE_INT, -n2, 0, NULL, objfile);
+ else if (n2 == -n3 - 1)
{
if (n3 == 0x7f)
return init_type (TYPE_CODE_INT, 1, 0, NULL, objfile);
/* We have a real range type on our hands. Allocate space and
return a real pointer. */
+handle_true_range:
- /* At this point I don't have the faintest idea how to deal with
- a self_subrange type; I'm going to assume that this is used
- as an idiom, and that all of them are special cases. So . . . */
if (self_subrange)
- return error_type (pp);
-
- index_type = *dbx_lookup_type (rangenums);
+ index_type = builtin_type_int;
+ else
+ index_type = *dbx_lookup_type (rangenums);
if (index_type == NULL)
{
/* Does this actually ever happen? Is that why we are worrying
struct objfile *objfile;
{
/* FIXME! Remove this arbitrary limit! */
- struct type *types[1024], **rval; /* allow for fns of 1023 parameters */
+ struct type *types[1024], **rval; /* allow for fns of 1023 parameters */
int n = 0;
while (**pp != end)
{
if (**pp != ',')
/* Invalid argument list: no ','. */
- return (struct type **)-1;
+ return (struct type **) -1;
(*pp)++;
- STABS_CONTINUE (pp);
+ STABS_CONTINUE (pp, objfile);
types[n++] = read_type (pp, objfile);
}
(*pp)++; /* get past `end' (the ':' character) */
{
rval = (struct type **) xmalloc (2 * sizeof (struct type *));
}
- else if (TYPE_CODE (types[n-1]) != TYPE_CODE_VOID)
+ else if (TYPE_CODE (types[n - 1]) != TYPE_CODE_VOID)
{
rval = (struct type **) xmalloc ((n + 1) * sizeof (struct type *));
memset (rval + n, 0, sizeof (struct type *));
{
if (common_block_name != NULL)
{
- static struct complaint msg = {
+ static struct complaint msg =
+ {
"Invalid symbol data: common block within common block",
0, 0};
complain (&msg);
common_block = local_symbols;
common_block_i = local_symbols ? local_symbols->nsyms : 0;
common_block_name = obsavestring (name, strlen (name),
- &objfile -> symbol_obstack);
+ &objfile->symbol_obstack);
}
/* Process a N_ECOMM symbol. */
if (common_block_name == NULL)
{
- static struct complaint msg = {"ECOMM symbol unmatched by BCOMM", 0, 0};
+ static struct complaint msg =
+ {"ECOMM symbol unmatched by BCOMM", 0, 0};
complain (&msg);
return;
}
- sym = (struct symbol *)
- obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol));
+ sym = (struct symbol *)
+ obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
+ /* Note: common_block_name already saved on symbol_obstack */
SYMBOL_NAME (sym) = common_block_name;
SYMBOL_CLASS (sym) = LOC_BLOCK;
static void
fix_common_block (sym, valu)
- struct symbol *sym;
- int valu;
+ struct symbol *sym;
+ int valu;
{
struct pending *next = (struct pending *) SYMBOL_TYPE (sym);
- for ( ; next; next = next->next)
+ for (; next; next = next->next)
{
register int j;
for (j = next->nsyms - 1; j >= 0; j--)
SYMBOL_VALUE_ADDRESS (next->symbol[j]) += valu;
}
}
+\f
-\f
/* What about types defined as forward references inside of a small lexical
scope? */
/* Add a type to the list of undefined types to be checked through
up if possible. We have two kinds of undefined types:
TYPE_CODE_ARRAY: Array whose target type wasn't defined yet.
- Fix: update array length using the element bounds
- and the target type's length.
+ Fix: update array length using the element bounds
+ and the target type's length.
TYPE_CODE_STRUCT, TYPE_CODE_UNION: Structure whose fields were not
- yet defined at the time a pointer to it was made.
- Fix: Do a full lookup on the struct/union tag. */
+ yet defined at the time a pointer to it was made.
+ Fix: Do a full lookup on the struct/union tag. */
void
cleanup_undefined_types ()
{
switch (TYPE_CODE (*type))
{
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- case TYPE_CODE_ENUM:
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_ENUM:
{
/* Check if it has been defined since. Need to do this here
- as well as in check_stub_type to deal with the (legitimate in
+ as well as in check_typedef to deal with the (legitimate in
C though not C++) case of several types with the same name
in different source files. */
if (TYPE_FLAGS (*type) & TYPE_FLAG_STUB)
if (typename == NULL)
{
- static struct complaint msg = {"need a type name", 0, 0};
+ static struct complaint msg =
+ {"need a type name", 0, 0};
complain (&msg);
break;
}
for (i = 0; i < ppt->nsyms; i++)
{
struct symbol *sym = ppt->symbol[i];
-
+
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF
&& SYMBOL_NAMESPACE (sym) == STRUCT_NAMESPACE
&& (TYPE_CODE (SYMBOL_TYPE (sym)) ==
}
break;
- case TYPE_CODE_ARRAY:
- {
- /* This is a kludge which is here for historical reasons
- because I suspect that check_stub_type does not get
- called everywhere it needs to be called for arrays. Even
- with this kludge, those places are broken for the case
- where the stub type is defined in another compilation
- unit, but this kludge at least deals with it for the case
- in which it is the same compilation unit.
-
- Don't try to do this by calling check_stub_type; it might
- cause symbols to be read in lookup_symbol, and the symbol
- reader is not reentrant. */
-
- struct type *range_type;
- int lower, upper;
-
- if (TYPE_LENGTH (*type) != 0) /* Better be unknown */
- goto badtype;
- if (TYPE_NFIELDS (*type) != 1)
- goto badtype;
- range_type = TYPE_FIELD_TYPE (*type, 0);
- if (TYPE_CODE (range_type) != TYPE_CODE_RANGE)
- goto badtype;
-
- /* Now recompute the length of the array type, based on its
- number of elements and the target type's length. */
- lower = TYPE_FIELD_BITPOS (range_type, 0);
- upper = TYPE_FIELD_BITPOS (range_type, 1);
- TYPE_LENGTH (*type) = (upper - lower + 1)
- * TYPE_LENGTH (TYPE_TARGET_TYPE (*type));
-
- /* If the target type is not a stub, we could be clearing
- TYPE_FLAG_TARGET_STUB for *type. */
- }
- break;
-
default:
- badtype:
{
- static struct complaint msg = {"\
+ static struct complaint msg =
+ {"\
GDB internal error. cleanup_undefined_types with bad type %d.", 0, 0};
complain (&msg, TYPE_CODE (*type));
}
{
int hash;
struct minimal_symbol *msymbol;
- struct symbol *sym, *prev;
+ struct symbol *sym, *prev, *rsym;
+ struct objfile *resolve_objfile;
- if (objfile->msymbols == 0) /* Beware the null file. */
- return;
+ /* SVR4 based linkers copy referenced global symbols from shared
+ libraries to the main executable.
+ If we are scanning the symbols for a shared library, try to resolve
+ them from the minimal symbols of the main executable first. */
- for (msymbol = objfile -> msymbols; SYMBOL_NAME (msymbol) != NULL; msymbol++)
- {
- QUIT;
+ if (symfile_objfile && objfile != symfile_objfile)
+ resolve_objfile = symfile_objfile;
+ else
+ resolve_objfile = objfile;
- /* Skip static symbols. */
- switch (MSYMBOL_TYPE (msymbol))
+ while (1)
+ {
+ /* Avoid expensive loop through all minimal symbols if there are
+ no unresolved symbols. */
+ for (hash = 0; hash < HASHSIZE; hash++)
{
- case mst_file_text:
- case mst_file_data:
- case mst_file_bss:
- continue;
+ if (global_sym_chain[hash])
+ break;
}
+ if (hash >= HASHSIZE)
+ return;
+
+ for (msymbol = resolve_objfile->msymbols;
+ msymbol && SYMBOL_NAME (msymbol) != NULL;
+ msymbol++)
+ {
+ QUIT;
+
+ /* Skip static symbols. */
+ switch (MSYMBOL_TYPE (msymbol))
+ {
+ case mst_file_text:
+ case mst_file_data:
+ case mst_file_bss:
+ continue;
+ default:
+ break;
+ }
- prev = NULL;
+ prev = NULL;
- /* Get the hash index and check all the symbols
- under that hash index. */
+ /* Get the hash index and check all the symbols
+ under that hash index. */
- hash = hashname (SYMBOL_NAME (msymbol));
+ hash = hashname (SYMBOL_NAME (msymbol));
- for (sym = global_sym_chain[hash]; sym;)
- {
- if (SYMBOL_NAME (msymbol)[0] == SYMBOL_NAME (sym)[0] &&
- STREQ(SYMBOL_NAME (msymbol) + 1, SYMBOL_NAME (sym) + 1))
+ for (sym = global_sym_chain[hash]; sym;)
{
- /* Splice this symbol out of the hash chain and
- assign the value we have to it. */
- if (prev)
+ if (SYMBOL_NAME (msymbol)[0] == SYMBOL_NAME (sym)[0] &&
+ STREQ (SYMBOL_NAME (msymbol) + 1, SYMBOL_NAME (sym) + 1))
{
- SYMBOL_VALUE_CHAIN (prev) = SYMBOL_VALUE_CHAIN (sym);
- }
- else
- {
- global_sym_chain[hash] = SYMBOL_VALUE_CHAIN (sym);
- }
-
- /* Check to see whether we need to fix up a common block. */
- /* Note: this code might be executed several times for
- the same symbol if there are multiple references. */
- if (SYMBOL_CLASS (sym) == LOC_BLOCK)
- {
- fix_common_block (sym, SYMBOL_VALUE_ADDRESS (msymbol));
- }
- else
- {
- SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msymbol);
- }
+ struct alias_list *aliases;
- SYMBOL_SECTION (sym) = SYMBOL_SECTION (msymbol);
-
- if (prev)
- {
- sym = SYMBOL_VALUE_CHAIN (prev);
+ /* Splice this symbol out of the hash chain and
+ assign the value we have to it. */
+ if (prev)
+ {
+ SYMBOL_VALUE_CHAIN (prev) = SYMBOL_VALUE_CHAIN (sym);
+ }
+ else
+ {
+ global_sym_chain[hash] = SYMBOL_VALUE_CHAIN (sym);
+ }
+
+ /* Check to see whether we need to fix up a common block. */
+ /* Note: this code might be executed several times for
+ the same symbol if there are multiple references. */
+
+ /* If symbol has aliases, do minimal symbol fixups for each.
+ These live aliases/references weren't added to
+ global_sym_chain hash but may also need to be fixed up. */
+ /* FIXME: Maybe should have added aliases to the global chain, resolved symbol name, then treated aliases as normal
+ symbols? Still, we wouldn't want to add_to_list. */
+ /* Now do the same for each alias of this symbol */
+ rsym = sym;
+ aliases = SYMBOL_ALIASES (sym);
+ while (rsym)
+ {
+ if (SYMBOL_CLASS (rsym) == LOC_BLOCK)
+ {
+ fix_common_block (rsym,
+ SYMBOL_VALUE_ADDRESS (msymbol));
+ }
+ else
+ {
+ SYMBOL_VALUE_ADDRESS (rsym)
+ = SYMBOL_VALUE_ADDRESS (msymbol);
+ }
+ SYMBOL_SECTION (rsym) = SYMBOL_SECTION (msymbol);
+ if (aliases)
+ {
+ rsym = aliases->sym;
+ aliases = aliases->next;
+ }
+ else
+ rsym = NULL;
+ }
+
+
+ if (prev)
+ {
+ sym = SYMBOL_VALUE_CHAIN (prev);
+ }
+ else
+ {
+ sym = global_sym_chain[hash];
+ }
}
else
{
- sym = global_sym_chain[hash];
+ prev = sym;
+ sym = SYMBOL_VALUE_CHAIN (sym);
}
}
+ }
+ if (resolve_objfile == objfile)
+ break;
+ resolve_objfile = objfile;
+ }
+
+ /* Change the storage class of any remaining unresolved globals to
+ LOC_UNRESOLVED and remove them from the chain. */
+ for (hash = 0; hash < HASHSIZE; hash++)
+ {
+ sym = global_sym_chain[hash];
+ while (sym)
+ {
+ prev = sym;
+ sym = SYMBOL_VALUE_CHAIN (sym);
+
+ /* Change the symbol address from the misleading chain value
+ to address zero. */
+ SYMBOL_VALUE_ADDRESS (prev) = 0;
+
+ /* Complain about unresolved common block symbols. */
+ if (SYMBOL_CLASS (prev) == LOC_STATIC)
+ SYMBOL_CLASS (prev) = LOC_UNRESOLVED;
else
- {
- prev = sym;
- sym = SYMBOL_VALUE_CHAIN (sym);
- }
+ complain (&unresolved_sym_chain_complaint,
+ objfile->name, SYMBOL_NAME (prev));
}
}
+ memset (global_sym_chain, 0, sizeof (global_sym_chain));
}
/* Initialize anything that needs initializing when starting to read
/* Initialize anything that needs initializing at the same time as
start_symtab() is called. */
-void start_stabs ()
+void
+start_stabs ()
{
global_stabs = NULL; /* AIX COFF */
/* Leave FILENUM of 0 free for builtin types and this file's types. */
/* Call after end_symtab() */
-void end_stabs ()
+void
+end_stabs ()
{
if (type_vector)
{
projects / deliverable / binutils-gdb.git / blobdiff