/* Read a symbol table in ECOFF format (Third-Eye).
Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This module provides the function mdebug_build_psymtabs. It reads
ECOFF debugging information into partial symbol tables. The
static struct type *mdebug_type_float_dec;
static struct type *mdebug_type_string;
-/* Types for symbols from files compiled without debugging info. */
-
-static struct type *nodebug_func_symbol_type;
-static struct type *nodebug_var_symbol_type;
-
/* Nonzero if we have seen ecoff debugging info for a file. */
static int found_ecoff_debugging_info;
static void add_block (struct block *, struct symtab *);
-static void add_symbol (struct symbol *, struct block *);
+static void add_symbol (struct symbol *, struct symtab *, struct block *);
static int add_line (struct linetable *, int, CORE_ADDR, int);
parse_symbol (SYMR *sh, union aux_ext *ax, char *ext_sh, int bigend,
struct section_offsets *section_offsets, struct objfile *objfile)
{
+ struct gdbarch *gdbarch = get_objfile_arch (objfile);
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
void (*const swap_sym_in) (bfd *, void *, SYMR *) = debug_swap->swap_sym_in;
char *name;
/* It is a FORTRAN common block. At least for SGI Fortran the
address is not in the symbol; we need to fix it later in
scan_file_globals. */
- int bucket = hashname (DEPRECATED_SYMBOL_NAME (s));
+ int bucket = hashname (SYMBOL_LINKAGE_NAME (s));
SYMBOL_VALUE_CHAIN (s) = global_sym_chain[bucket];
global_sym_chain[bucket] = s;
}
if (sh->sc == scRegister)
{
class = LOC_REGISTER;
- svalue = ECOFF_REG_TO_REGNUM (svalue);
+ svalue = gdbarch_ecoff_reg_to_regnum (current_gdbarch, svalue);
}
else
class = LOC_LOCAL;
data: /* Common code for symbols describing data */
SYMBOL_DOMAIN (s) = VAR_DOMAIN;
SYMBOL_CLASS (s) = class;
- add_symbol (s, b);
+ add_symbol (s, top_stack->cur_st, b);
/* Type could be missing if file is compiled without debugging info. */
if (SC_IS_UNDEF (sh->sc)
|| sh->sc == scNil || sh->index == indexNil)
- SYMBOL_TYPE (s) = nodebug_var_symbol_type;
+ SYMBOL_TYPE (s) = builtin_type (gdbarch)->nodebug_data_symbol;
else
SYMBOL_TYPE (s) = parse_type (cur_fd, ax, sh->index, 0, bigend, name);
/* Value of a data symbol is its memory address */
s = new_symbol (name);
SYMBOL_DOMAIN (s) = VAR_DOMAIN;
+ SYMBOL_IS_ARGUMENT (s) = 1;
switch (sh->sc)
{
case scRegister:
/* Pass by value in register. */
- SYMBOL_CLASS (s) = LOC_REGPARM;
- svalue = ECOFF_REG_TO_REGNUM (svalue);
+ SYMBOL_CLASS (s) = LOC_REGISTER;
+ svalue = gdbarch_ecoff_reg_to_regnum (current_gdbarch, svalue);
break;
case scVar:
/* Pass by reference on stack. */
case scVarRegister:
/* Pass by reference in register. */
SYMBOL_CLASS (s) = LOC_REGPARM_ADDR;
- svalue = ECOFF_REG_TO_REGNUM (svalue);
+ svalue = gdbarch_ecoff_reg_to_regnum (current_gdbarch, svalue);
break;
default:
/* Pass by value on stack. */
}
SYMBOL_VALUE (s) = svalue;
SYMBOL_TYPE (s) = parse_type (cur_fd, ax, sh->index, 0, bigend, name);
- add_symbol (s, top_stack->cur_block);
+ add_symbol (s, top_stack->cur_st, top_stack->cur_block);
break;
case stLabel: /* label, goes into current block */
SYMBOL_CLASS (s) = LOC_LABEL; /* but not misused */
SYMBOL_VALUE_ADDRESS (s) = (CORE_ADDR) sh->value;
SYMBOL_TYPE (s) = mdebug_type_int;
- add_symbol (s, top_stack->cur_block);
+ add_symbol (s, top_stack->cur_st, top_stack->cur_block);
break;
case stProc: /* Procedure, usually goes into global block */
else if (sh->value == top_stack->procadr)
b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
}
- add_symbol (s, b);
+ add_symbol (s, top_stack->cur_st, b);
/* Make a type for the procedure itself */
SYMBOL_TYPE (s) = lookup_function_type (t);
/* All functions in C++ have prototypes. For C we don't have enough
information in the debug info. */
if (SYMBOL_LANGUAGE (s) == language_cplus)
- TYPE_FLAGS (SYMBOL_TYPE (s)) |= TYPE_FLAG_PROTOTYPED;
+ TYPE_PROTOTYPED (SYMBOL_TYPE (s)) = 1;
/* Create and enter a new lexical context */
b = new_block (FUNCTION_BLOCK);
that too. */
if (TYPE_LENGTH (t) == TYPE_NFIELDS (t)
|| TYPE_LENGTH (t) == 0)
- TYPE_LENGTH (t) =
- gdbarch_int_bit (current_gdbarch) / HOST_CHAR_BIT;
+ TYPE_LENGTH (t) = gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT;
for (ext_tsym = ext_sh + external_sym_size;
;
ext_tsym += external_sym_size)
if (tsym.st != stMember)
break;
- FIELD_BITPOS (*f) = tsym.value;
+ SET_FIELD_BITPOS (*f, tsym.value);
FIELD_TYPE (*f) = t;
FIELD_NAME (*f) = debug_info->ss + cur_fdr->issBase + tsym.iss;
FIELD_BITSIZE (*f) = 0;
- FIELD_STATIC_KIND (*f) = 0;
enum_sym = ((struct symbol *)
obstack_alloc (¤t_objfile->objfile_obstack,
sizeof (struct symbol)));
memset (enum_sym, 0, sizeof (struct symbol));
- DEPRECATED_SYMBOL_NAME (enum_sym) =
- obsavestring (f->name, strlen (f->name),
- ¤t_objfile->objfile_obstack);
+ SYMBOL_SET_LINKAGE_NAME
+ (enum_sym, obsavestring (f->name, strlen (f->name),
+ ¤t_objfile->objfile_obstack));
SYMBOL_CLASS (enum_sym) = LOC_CONST;
SYMBOL_TYPE (enum_sym) = t;
SYMBOL_DOMAIN (enum_sym) = VAR_DOMAIN;
SYMBOL_VALUE (enum_sym) = tsym.value;
if (SYMBOL_VALUE (enum_sym) < 0)
unsigned_enum = 0;
- add_symbol (enum_sym, top_stack->cur_block);
+ add_symbol (enum_sym, top_stack->cur_st, top_stack->cur_block);
/* Skip the stMembers that we've handled. */
count++;
f++;
}
if (unsigned_enum)
- TYPE_FLAGS (t) |= TYPE_FLAG_UNSIGNED;
+ TYPE_UNSIGNED (t) = 1;
}
/* make this the current type */
top_stack->cur_type = t;
do not create a symbol for it either. */
if (TYPE_NFIELDS (t) == 0)
{
- TYPE_FLAGS (t) |= TYPE_FLAG_STUB;
+ TYPE_STUB (t) = 1;
break;
}
SYMBOL_CLASS (s) = LOC_TYPEDEF;
SYMBOL_VALUE (s) = 0;
SYMBOL_TYPE (s) = t;
- add_symbol (s, top_stack->cur_block);
+ add_symbol (s, top_stack->cur_st, top_stack->cur_block);
break;
/* End of local variables shared by struct, union, enum, and
SYMBOL_VALUE (s) = (long) e;
e->numargs = top_stack->numargs;
e->pdr.framereg = -1;
- add_symbol (s, top_stack->cur_block);
+ add_symbol (s, top_stack->cur_st, top_stack->cur_block);
/* f77 emits proc-level with address bounds==[0,0],
So look for such child blocks, and patch them. */
if (iparams == nparams)
break;
- switch (SYMBOL_CLASS (sym))
+ if (SYMBOL_IS_ARGUMENT (sym))
{
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
iparams++;
- break;
- default:
- break;
}
}
}
case stMember: /* member of struct or union */
f = &TYPE_FIELDS (top_stack->cur_type)[top_stack->cur_field++];
FIELD_NAME (*f) = name;
- FIELD_BITPOS (*f) = sh->value;
+ SET_FIELD_BITPOS (*f, sh->value);
bitsize = 0;
FIELD_TYPE (*f) = parse_type (cur_fd, ax, sh->index, &bitsize, bigend, name);
FIELD_BITSIZE (*f) = bitsize;
- FIELD_STATIC_KIND (*f) = 0;
break;
case stIndirect: /* forward declaration on Irix5 */
SYMBOL_CLASS (s) = LOC_TYPEDEF;
SYMBOL_BLOCK_VALUE (s) = top_stack->cur_block;
SYMBOL_TYPE (s) = t;
- add_symbol (s, top_stack->cur_block);
+ add_symbol (s, top_stack->cur_st, top_stack->cur_block);
/* Incomplete definitions of structs should not get a name. */
if (TYPE_NAME (SYMBOL_TYPE (s)) == NULL
for anything except pointers or functions. */
}
else
- TYPE_NAME (SYMBOL_TYPE (s)) = DEPRECATED_SYMBOL_NAME (s);
+ TYPE_NAME (SYMBOL_TYPE (s)) = SYMBOL_LINKAGE_NAME (s);
}
break;
ignore the erroneous bitsize from the auxiliary entry safely.
dbx seems to ignore it too. */
- /* TYPE_FLAG_TARGET_STUB now takes care of the zero TYPE_LENGTH
- problem. */
+ /* TYPE_TARGET_STUB now takes care of the zero TYPE_LENGTH problem. */
if (TYPE_LENGTH (*tpp) == 0)
- {
- TYPE_FLAGS (t) |= TYPE_FLAG_TARGET_STUB;
- }
+ TYPE_TARGET_STUB (t) = 1;
*tpp = t;
return 4 + off;
parse_procedure (PDR *pr, struct symtab *search_symtab,
struct partial_symtab *pst)
{
+ struct gdbarch *gdbarch = get_objfile_arch (pst->objfile);
struct symbol *s, *i;
struct block *b;
struct mdebug_extra_func_info *e;
the same name exists, lookup_symbol will eventually read in the symtab
for the global function and clobber cur_fdr. */
FDR *save_cur_fdr = cur_fdr;
- s = lookup_symbol (sh_name, NULL, VAR_DOMAIN, 0, NULL);
+ s = lookup_symbol (sh_name, NULL, VAR_DOMAIN, 0);
cur_fdr = save_cur_fdr;
#else
s = mylookup_symbol
SYMBOL_CLASS (s) = LOC_BLOCK;
/* Donno its type, hope int is ok */
SYMBOL_TYPE (s) = lookup_function_type (mdebug_type_int);
- add_symbol (s, top_stack->cur_block);
+ add_symbol (s, top_stack->cur_st, top_stack->cur_block);
/* Wont have symbols for this one */
b = new_block (2);
SYMBOL_BLOCK_VALUE (s) = b;
To work around these problems, we replace e->pdr.adr with
the start address of the function. */
e->pdr.adr = BLOCK_START (b);
-
- /* Correct incorrect setjmp procedure descriptor from the library
- to make backtrace through setjmp work. */
- if (e->pdr.pcreg == 0
- && strcmp (sh_name, "setjmp") == 0)
- {
- complaint (&symfile_complaints, _("fixing bad setjmp PDR from libc"));
-#ifdef RA_REGNUM
- e->pdr.pcreg = RA_REGNUM;
-#else
- e->pdr.pcreg = 0;
-#endif
- e->pdr.regmask = 0x80000000;
- e->pdr.regoffset = -4;
- }
}
/* It would be reasonable that functions that have been compiled
if (processing_gcc_compilation == 0
&& found_ecoff_debugging_info == 0
&& TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (s))) == TYPE_CODE_VOID)
- SYMBOL_TYPE (s) = nodebug_func_symbol_type;
+ SYMBOL_TYPE (s) = builtin_type (gdbarch)->nodebug_text_symbol;
}
/* Parse the external symbol ES. Just call parse_symbol() after
bfd_section = NULL;
}
- prim_record_minimal_symbol_and_info (name, address, ms_type, NULL,
+ prim_record_minimal_symbol_and_info (name, address, ms_type,
section, bfd_section, objfile);
}
static void
parse_partial_symbols (struct objfile *objfile)
{
+ struct gdbarch *gdbarch = get_objfile_arch (objfile);
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
const bfd_size_type external_rfd_size = debug_swap->external_rfd_size;
const bfd_size_type external_ext_size = debug_swap->external_ext_size;
prev_textlow_not_set = textlow_not_set;
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* A zero value is probably an indication for the SunPRO 3.0
compiler. end_psymtab explicitly tests for zero, so
don't relocate it. */
- if (sh.value == 0)
+ if (sh.value == 0
+ && gdbarch_sofun_address_maybe_missing (gdbarch))
{
textlow_not_set = 1;
valu = 0;
}
else
textlow_not_set = 0;
-#else
- textlow_not_set = 0;
-#endif
+
past_first_source_file = 1;
if (prev_so_symnum != symnum - 1)
{
case 'S':
sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
-#ifdef STATIC_TRANSFORM_NAME
- namestring = STATIC_TRANSFORM_NAME (namestring);
-#endif
+
+ if (gdbarch_static_transform_name_p (gdbarch))
+ namestring = gdbarch_static_transform_name
+ (gdbarch, namestring);
+
add_psymbol_to_list (namestring, p - namestring,
VAR_DOMAIN, LOC_STATIC,
&objfile->static_psymbols,
continue;
case N_ENDM:
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Solaris 2 end of module, finish current partial
symbol table. END_PSYMTAB will set
pst->texthigh to the proper value, which is
necessary if a module compiled without
debugging info follows this module. */
- if (pst)
+ if (pst
+ && gdbarch_sofun_address_maybe_missing (gdbarch))
{
pst = (struct partial_symtab *) 0;
includes_used = 0;
dependencies_used = 0;
}
-#endif
continue;
case N_RBRAC:
case stStaticProc:
prim_record_minimal_symbol_and_info (name, sh.value,
- mst_file_text, NULL,
+ mst_file_text,
SECT_OFF_TEXT (objfile), NULL,
objfile);
case stStatic: /* Variable */
if (SC_IS_DATA (sh.sc))
prim_record_minimal_symbol_and_info (name, sh.value,
- mst_file_data, NULL,
+ mst_file_data,
SECT_OFF_DATA (objfile),
NULL,
objfile);
else
prim_record_minimal_symbol_and_info (name, sh.value,
- mst_file_bss, NULL,
+ mst_file_bss,
SECT_OFF_BSS (objfile),
NULL,
objfile);
inc = name[0];
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- if (DEPRECATED_SYMBOL_NAME (sym)[0] == inc
+ if (SYMBOL_LINKAGE_NAME (sym)[0] == inc
&& SYMBOL_DOMAIN (sym) == domain
&& SYMBOL_CLASS (sym) == class
- && strcmp (DEPRECATED_SYMBOL_NAME (sym), name) == 0)
+ && strcmp (SYMBOL_LINKAGE_NAME (sym), name) == 0)
return sym;
}
/* Add a new symbol S to a block B. */
static void
-add_symbol (struct symbol *s, struct block *b)
+add_symbol (struct symbol *s, struct symtab *symtab, struct block *b)
{
+ SYMBOL_SYMTAB (s) = symtab;
dict_add_symbol (BLOCK_DICT (b), s);
}
"adr_64", (struct objfile *) NULL);
TYPE_TARGET_TYPE (mdebug_type_adr_64) = mdebug_type_void;
mdebug_type_float =
- init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
- 0,
- "float", (struct objfile *) NULL);
+ init_type (TYPE_CODE_FLT,
+ gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
+ 0, "float", (struct objfile *) NULL);
mdebug_type_double =
- init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
- 0,
- "double", (struct objfile *) NULL);
+ init_type (TYPE_CODE_FLT,
+ gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
+ 0, "double", (struct objfile *) NULL);
mdebug_type_complex =
- init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
- 0,
- "complex", (struct objfile *) NULL);
+ init_type (TYPE_CODE_COMPLEX,
+ 2 * gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
+ 0, "complex", (struct objfile *) NULL);
TYPE_TARGET_TYPE (mdebug_type_complex) = mdebug_type_float;
mdebug_type_double_complex =
- init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
- 0,
- "double complex", (struct objfile *) NULL);
+ init_type (TYPE_CODE_COMPLEX,
+ 2 * gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
+ 0, "double complex", (struct objfile *) NULL);
TYPE_TARGET_TYPE (mdebug_type_double_complex) = mdebug_type_double;
/* Is a "string" the way btString means it the same as TYPE_CODE_STRING?
mdebug_type_float_dec =
init_type (TYPE_CODE_ERROR,
- TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+ gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
0, "floating decimal",
(struct objfile *) NULL);
-
- nodebug_func_symbol_type = init_type (TYPE_CODE_FUNC, 1, 0,
- "<function, no debug info>", NULL);
- TYPE_TARGET_TYPE (nodebug_func_symbol_type) = mdebug_type_int;
- nodebug_var_symbol_type =
- init_type (TYPE_CODE_INT,
- gdbarch_int_bit (current_gdbarch) / HOST_CHAR_BIT, 0,
- "<variable, no debug info>", NULL);
}
projects / binutils.git / blobdiff