/* Read coff symbol tables and convert to internal format, for GDB.
Copyright 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).
#include "coff/internal.h" /* Internal format of COFF symbols in BFD */
#include "libcoff.h" /* FIXME secret internal data from BFD */
-
-#include "symfile.h"
#include "objfiles.h"
#include "buildsym.h"
#include "gdb-stabs.h"
#include "target.h"
#include "gdb_assert.h"
#include "block.h"
+#include "dictionary.h"
#include "coff-pe-read.h"
static void
coff_locate_sections (bfd *abfd, asection *sectp, void *csip)
{
- register struct coff_symfile_info *csi;
+ struct coff_symfile_info *csi;
const char *name;
csi = (struct coff_symfile_info *) csip;
name = bfd_get_section_name (abfd, sectp);
- if (STREQ (name, ".text"))
+ if (DEPRECATED_STREQ (name, ".text"))
{
csi->textaddr = bfd_section_vma (abfd, sectp);
csi->textsize += bfd_section_size (abfd, sectp);
{
csi->textsize += bfd_section_size (abfd, sectp);
}
- else if (STREQ (name, ".stabstr"))
+ else if (DEPRECATED_STREQ (name, ".stabstr"))
{
csi->stabstrsect = sectp;
}
or for associating a new type with the index. */
static struct type **
-coff_lookup_type (register int index)
+coff_lookup_type (int index)
{
if (index >= type_vector_length)
{
static struct type *
coff_alloc_type (int index)
{
- register struct type **type_addr = coff_lookup_type (index);
- register struct type *type = *type_addr;
+ struct type **type_addr = coff_lookup_type (index);
+ struct type *type = *type_addr;
/* If we are referring to a type not known at all yet,
allocate an empty type for it.
last_source_file = savestring (name, strlen (name));
current_source_start_addr = start_addr;
current_source_end_addr = start_addr + size;
-
- if (current_objfile->ei.entry_point >= current_source_start_addr &&
- current_objfile->ei.entry_point < current_source_end_addr)
- {
- current_objfile->ei.entry_file_lowpc = current_source_start_addr;
- current_objfile->ei.entry_file_highpc = current_source_end_addr;
- }
}
/* Finish the symbol definitions for one main source file,
coff_symfile_init (struct objfile *objfile)
{
/* Allocate struct to keep track of stab reading. */
- objfile->sym_stab_info = (struct dbx_symfile_info *)
- xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));
+ objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *)
+ xmalloc (sizeof (struct dbx_symfile_info));
- memset (objfile->sym_stab_info, 0,
+ memset (objfile->deprecated_sym_stab_info, 0,
sizeof (struct dbx_symfile_info));
/* Allocate struct to keep track of the symfile */
- objfile->sym_private = xmmalloc (objfile->md,
- sizeof (struct coff_symfile_info));
+ objfile->deprecated_sym_private = xmalloc (sizeof (struct coff_symfile_info));
- memset (objfile->sym_private, 0, sizeof (struct coff_symfile_info));
+ memset (objfile->deprecated_sym_private, 0, sizeof (struct coff_symfile_info));
/* COFF objects may be reordered, so set OBJF_REORDERED. If we
find this causes a significant slowdown in gdb then we could
of the line table (minimum and maximum file offset) so that the
mainline code can read the whole thing for efficiency. */
-/* ARGSUSED */
static void
-find_linenos (bfd *abfd, sec_ptr asect, void *vpinfo)
+find_linenos (bfd *abfd, struct bfd_section *asect, void *vpinfo)
{
struct coff_symfile_info *info;
int size, count;
/* Read a symbol file, after initialization by coff_symfile_init. */
-/* ARGSUSED */
static void
coff_symfile_read (struct objfile *objfile, int mainline)
{
bfd *abfd = objfile->obfd;
coff_data_type *cdata = coff_data (abfd);
char *name = bfd_get_filename (abfd);
- register int val;
+ int val;
unsigned int num_symbols;
int symtab_offset;
int stringtab_offset;
int len;
char * target;
- info = (struct coff_symfile_info *) objfile->sym_private;
- dbxinfo = objfile->sym_stab_info;
+ info = (struct coff_symfile_info *) objfile->deprecated_sym_private;
+ dbxinfo = objfile->deprecated_sym_stab_info;
symfile_bfd = abfd; /* Kludge for swap routines */
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
coff_symtab_read ((long) symtab_offset, num_symbols, objfile);
- /* Sort symbols alphabetically within each block. */
-
- {
- struct symtab *s;
-
- for (s = objfile->symtabs; s != NULL; s = s->next)
- sort_symtab_syms (s);
- }
-
/* Install any minimal symbols that have been collected as the current
minimal symbols for this objfile. */
/* Free the installed minimal symbol data. */
do_cleanups (cleanup_minimal_symbols);
+ /* If we are reinitializing, or if we have not loaded syms yet,
+ empty the psymtab. "mainline" is cleared so the *_read_psymtab
+ functions do not all re-initialize it. */
+ if (mainline)
+ {
+ init_psymbol_list (objfile, 0);
+ mainline = 0;
+ }
+
bfd_map_over_sections (abfd, coff_locate_sections, (void *) info);
if (info->stabsects)
info->stabsects,
info->stabstrsect->filepos, stabstrsize);
}
- if (dwarf2_has_info (abfd))
+ if (dwarf2_has_info (objfile))
{
/* DWARF2 sections. */
dwarf2_build_psymtabs (objfile, mainline);
}
+ dwarf2_build_frame_info (objfile);
+
do_cleanups (back_to);
}
static void
coff_symfile_finish (struct objfile *objfile)
{
- if (objfile->sym_private != NULL)
+ if (objfile->deprecated_sym_private != NULL)
{
- xmfree (objfile->md, objfile->sym_private);
+ xfree (objfile->deprecated_sym_private);
}
/* Let stabs reader clean up */
coff_symtab_read (long symtab_offset, unsigned int nsyms,
struct objfile *objfile)
{
- register struct context_stack *new;
+ struct context_stack *new;
struct coff_symbol coff_symbol;
- register struct coff_symbol *cs = &coff_symbol;
+ struct coff_symbol *cs = &coff_symbol;
static struct internal_syment main_sym;
static union internal_auxent main_aux;
struct coff_symbol fcn_cs_saved;
case C_THUMBSTATFUNC:
if (cs->c_name[0] == '.')
{
- if (STREQ (cs->c_name, ".text"))
+ if (DEPRECATED_STREQ (cs->c_name, ".text"))
{
/* FIXME: don't wire in ".text" as section name
or symbol name! */
print_address_symbolic work right without the (now
gone) "set fast-symbolic-addr off" kludge. */
- /* FIXME: should use mst_abs, and not relocate, if absolute. */
enum minimal_symbol_type ms_type;
int sec;
|| cs->c_sclass == C_THUMBEXT ?
mst_bss : mst_file_bss;
}
+ else if (cs->c_secnum == N_ABS)
+ {
+ /* Use the correct minimal symbol type (and don't
+ relocate) for absolute values. */
+ ms_type = mst_abs;
+ sec = cs_to_section (cs, objfile);
+ tmpaddr = cs->c_value;
+ }
else
{
sec = cs_to_section (cs, objfile);
tmpaddr = cs->c_value;
- if (cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
- || cs->c_sclass == C_THUMBEXT)
+ /* Statics in a PE file also get relocated */
+ if (cs->c_sclass == C_EXT
+ || cs->c_sclass == C_THUMBEXTFUNC
+ || cs->c_sclass == C_THUMBEXT
+ || (pe_file && (cs->c_sclass == C_STAT)))
tmpaddr += ANOFFSET (objfile->section_offsets, sec);
if (sec == SECT_OFF_TEXT (objfile))
if (cs->c_name[0] != '@' /* Skip tdesc symbols */ )
{
struct minimal_symbol *msym;
-
- /* FIXME: cagney/2001-02-01: The nasty (int) -> (long)
- -> (void*) cast is to ensure that that the value of
- cs->c_sclass can be correctly stored in a void
- pointer in MSYMBOL_INFO. Better solutions
- welcome. */
- gdb_assert (sizeof (void *) >= sizeof (cs->c_sclass));
msym = prim_record_minimal_symbol_and_info
- (cs->c_name, tmpaddr, ms_type, (void *) (long) cs->c_sclass,
+ (cs->c_name, tmpaddr, ms_type, NULL,
sec, NULL, objfile);
if (msym)
COFF_MAKE_MSYMBOL_SPECIAL (cs->c_sclass, msym);
break;
case C_FCN:
- if (STREQ (cs->c_name, ".bf"))
+ if (DEPRECATED_STREQ (cs->c_name, ".bf"))
{
within_function = 1;
new->name =
process_coff_symbol (&fcn_cs_saved, &fcn_aux_saved, objfile);
}
- else if (STREQ (cs->c_name, ".ef"))
+ else if (DEPRECATED_STREQ (cs->c_name, ".ef"))
{
if (!within_function)
error ("Bad coff function information\n");
break;
case C_BLOCK:
- if (STREQ (cs->c_name, ".bb"))
+ if (DEPRECATED_STREQ (cs->c_name, ".bb"))
{
tmpaddr = cs->c_value;
tmpaddr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
push_context (++depth, tmpaddr);
}
- else if (STREQ (cs->c_name, ".eb"))
+ else if (DEPRECATED_STREQ (cs->c_name, ".eb"))
{
if (context_stack_depth <= 0)
{ /* We attempted to pop an empty context stack */
in internal_auxent form, and skip any other auxents. */
static void
-read_one_sym (register struct coff_symbol *cs,
- register struct internal_syment *sym,
- register union internal_auxent *aux)
+read_one_sym (struct coff_symbol *cs,
+ struct internal_syment *sym,
+ union internal_auxent *aux)
{
int i;
coff_getfilename (union internal_auxent *aux_entry)
{
static char buffer[BUFSIZ];
- register char *temp;
+ char *temp;
char *result;
if (aux_entry->x_file.x_n.x_zeroes == 0)
#endif
static void
-enter_linenos (long file_offset, register int first_line,
- register int last_line, struct objfile *objfile)
+enter_linenos (long file_offset, int first_line,
+ int last_line, struct objfile *objfile)
{
- register char *rawptr;
+ char *rawptr;
struct internal_lineno lptr;
if (!linetab)
/* line numbers start at one for the first line of the function */
first_line--;
- for (;;)
+ /* If the line number table is full (e.g. 64K lines in COFF debug
+ info), the next function's L_LNNO32 might not be zero, so don't
+ overstep the table's end in any case. */
+ while (rawptr <= &linetab[0] + linetab_size)
{
bfd_coff_swap_lineno_in (symfile_bfd, rawptr, &lptr);
rawptr += local_linesz;
- /* The next function, or the sentinel, will have L_LNNO32 zero; we exit. */
+ /* The next function, or the sentinel, will have L_LNNO32 zero;
+ we exit. */
if (L_LNNO32 (&lptr) && L_LNNO32 (&lptr) <= last_line)
record_line (current_subfile, first_line + L_LNNO32 (&lptr),
lptr.l_addr.l_paddr
static void
patch_type (struct type *type, struct type *real_type)
{
- register struct type *target = TYPE_TARGET_TYPE (type);
- register struct type *real_target = TYPE_TARGET_TYPE (real_type);
+ struct type *target = TYPE_TARGET_TYPE (type);
+ struct type *real_target = TYPE_TARGET_TYPE (real_type);
int field_size = TYPE_NFIELDS (real_target) * sizeof (struct field);
TYPE_LENGTH (target) = TYPE_LENGTH (real_target);
static void
patch_opaque_types (struct symtab *s)
{
- register struct block *b;
- register int i;
- register struct symbol *real_sym;
+ struct block *b;
+ struct dict_iterator iter;
+ struct symbol *real_sym;
/* Go through the per-file symbols only */
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
- ALL_BLOCK_SYMBOLS (b, i, real_sym)
+ ALL_BLOCK_SYMBOLS (b, iter, real_sym)
{
/* Find completed typedefs to use to fix opaque ones.
Remove syms from the chain when their types are stored,
TYPE_CODE (SYMBOL_TYPE (real_sym)) == TYPE_CODE_PTR &&
TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (real_sym))) != 0)
{
- register char *name = DEPRECATED_SYMBOL_NAME (real_sym);
- register int hash = hashname (name);
- register struct symbol *sym, *prev;
+ char *name = DEPRECATED_SYMBOL_NAME (real_sym);
+ int hash = hashname (name);
+ struct symbol *sym, *prev;
prev = 0;
for (sym = opaque_type_chain[hash]; sym;)
{
if (name[0] == DEPRECATED_SYMBOL_NAME (sym)[0] &&
- STREQ (name + 1, DEPRECATED_SYMBOL_NAME (sym) + 1))
+ strcmp (name + 1, DEPRECATED_SYMBOL_NAME (sym) + 1) == 0)
{
if (prev)
{
}
\f
static struct symbol *
-process_coff_symbol (register struct coff_symbol *cs,
- register union internal_auxent *aux,
+process_coff_symbol (struct coff_symbol *cs,
+ union internal_auxent *aux,
struct objfile *objfile)
{
- register struct symbol *sym
- = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
+ struct symbol *sym
+ = (struct symbol *) obstack_alloc (&objfile->objfile_obstack,
sizeof (struct symbol));
char *name;
TYPE_NAME (SYMBOL_TYPE (sym)) =
concat (DEPRECATED_SYMBOL_NAME (sym), NULL);
}
-#ifdef CXUX_TARGET
- /* Ignore vendor section for Harris CX/UX targets. */
- else if (cs->c_name[0] == '$')
- break;
-#endif /* CXUX_TARGET */
/* Keep track of any type which points to empty structured type,
so it can be filled from a definition from another file. A
TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym))) !=
TYPE_CODE_UNDEF)
{
- register int i = hashname (DEPRECATED_SYMBOL_NAME (sym));
+ int i = hashname (DEPRECATED_SYMBOL_NAME (sym));
SYMBOL_VALUE_CHAIN (sym) = opaque_type_chain[i];
opaque_type_chain[i] = sym;
/* Decode a coff type specifier; return the type that is meant. */
static struct type *
-decode_type (register struct coff_symbol *cs, unsigned int c_type,
- register union internal_auxent *aux)
+decode_type (struct coff_symbol *cs, unsigned int c_type,
+ union internal_auxent *aux)
{
- register struct type *type = 0;
+ struct type *type = 0;
unsigned int new_c_type;
if (c_type & ~N_BTMASK)
else if (ISARY (c_type))
{
int i, n;
- register unsigned short *dim;
+ unsigned short *dim;
struct type *base_type, *index_type, *range_type;
/* Define an array type. */
return the type that the function returns. */
static struct type *
-decode_function_type (register struct coff_symbol *cs, unsigned int c_type,
- register union internal_auxent *aux)
+decode_function_type (struct coff_symbol *cs, unsigned int c_type,
+ union internal_auxent *aux)
{
if (aux->x_sym.x_tagndx.l == 0)
cs->c_naux = 0; /* auxent refers to function, not base type */
/* basic C types */
static struct type *
-decode_base_type (register struct coff_symbol *cs, unsigned int c_type,
- register union internal_auxent *aux)
+decode_base_type (struct coff_symbol *cs, unsigned int c_type,
+ union internal_auxent *aux)
{
struct type *type;
/* shows up with "void (*foo)();" structure members */
return lookup_fundamental_type (current_objfile, FT_VOID);
-#if 0
-/* DGUX actually defines both T_ARG and T_VOID to the same value. */
-#ifdef T_ARG
- case T_ARG:
- /* Shows up in DGUX, I think. Not sure where. */
- return lookup_fundamental_type (current_objfile, FT_VOID); /* shouldn't show up here */
-#endif
-#endif /* 0 */
-
#ifdef T_VOID
case T_VOID:
/* Intel 960 COFF has this symbol and meaning. */
struct field field;
};
- register struct type *type;
- register struct nextfield *list = 0;
+ struct type *type;
+ struct nextfield *list = 0;
struct nextfield *new;
int nfields = 0;
- register int n;
+ int n;
char *name;
struct coff_symbol member_sym;
- register struct coff_symbol *ms = &member_sym;
+ struct coff_symbol *ms = &member_sym;
struct internal_syment sub_sym;
union internal_auxent sub_aux;
int done = 0;
list->field.name =
obsavestring (name,
strlen (name),
- ¤t_objfile->symbol_obstack);
+ ¤t_objfile->objfile_obstack);
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type, &sub_aux);
FIELD_BITPOS (list->field) = 8 * ms->c_value;
FIELD_BITSIZE (list->field) = 0;
list->field.name =
obsavestring (name,
strlen (name),
- ¤t_objfile->symbol_obstack);
+ ¤t_objfile->objfile_obstack);
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type, &sub_aux);
FIELD_BITPOS (list->field) = ms->c_value;
FIELD_BITSIZE (list->field) = sub_aux.x_sym.x_misc.x_lnsz.x_size;
and create and return a suitable type object.
Also defines the symbols that represent the values of the type. */
-/* ARGSUSED */
static struct type *
coff_read_enum_type (int index, int length, int lastsym)
{
- register struct symbol *sym;
- register struct type *type;
+ struct symbol *sym;
+ struct type *type;
int nsyms = 0;
int done = 0;
struct pending **symlist;
struct coff_symbol member_sym;
- register struct coff_symbol *ms = &member_sym;
+ struct coff_symbol *ms = &member_sym;
struct internal_syment sub_sym;
union internal_auxent sub_aux;
struct pending *osyms, *syms;
int o_nsyms;
- register int n;
+ int n;
char *name;
int unsigned_enum = 1;
{
case C_MOE:
sym = (struct symbol *) obstack_alloc
- (¤t_objfile->symbol_obstack,
+ (¤t_objfile->objfile_obstack,
sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
DEPRECATED_SYMBOL_NAME (sym) =
obsavestring (name, strlen (name),
- ¤t_objfile->symbol_obstack);
+ ¤t_objfile->objfile_obstack);
SYMBOL_CLASS (sym) = LOC_CONST;
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
SYMBOL_VALUE (sym) = ms->c_value;
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