/* 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, 2004
+ Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
Free Software Foundation, Inc.
Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "symtab.h"
#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"
*args->resultp = sect;
}
-/* Return the section number (SECT_OFF_*) that CS points to. */
-static int
-cs_to_section (struct coff_symbol *cs, struct objfile *objfile)
+/* Return the bfd_section that CS points to. */
+static struct bfd_section*
+cs_to_bfd_section (struct coff_symbol *cs, struct objfile *objfile)
{
asection *sect = NULL;
struct find_targ_sec_arg args;
- int off = SECT_OFF_TEXT (objfile);
args.targ_index = cs->c_secnum;
args.resultp = §
bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
- if (sect != NULL)
- {
- /* This is the section. Figure out what SECT_OFF_* code it is. */
- if (bfd_get_section_flags (abfd, sect) & SEC_CODE)
- off = SECT_OFF_TEXT (objfile);
- else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
- off = SECT_OFF_DATA (objfile);
- else
- /* Just return the bfd section index. */
- off = sect->index;
- }
- return off;
+ return sect;
+}
+
+/* Return the section number (SECT_OFF_*) that CS points to. */
+static int
+cs_to_section (struct coff_symbol *cs, struct objfile *objfile)
+{
+ asection *sect = cs_to_bfd_section (cs, objfile);
+ if (sect == NULL)
+ return SECT_OFF_TEXT (objfile);
+ return sect->index;
}
/* Return the address of the section of a COFF symbol. */
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.deprecated_entry_file_lowpc = current_source_start_addr;
- current_objfile->ei.deprecated_entry_file_highpc = current_source_end_addr;
- }
}
/* Finish the symbol definitions for one main source file,
last_source_file = NULL;
}
\f
-static void
-record_minimal_symbol (char *name, CORE_ADDR address,
- enum minimal_symbol_type type, struct objfile *objfile)
+static struct minimal_symbol *
+record_minimal_symbol (struct coff_symbol *cs, CORE_ADDR address,
+ enum minimal_symbol_type type, int section,
+ struct objfile *objfile)
{
+ struct bfd_section *bfd_section;
/* We don't want TDESC entry points in the minimal symbol table */
- if (name[0] == '@')
- return;
+ if (cs->c_name[0] == '@')
+ return NULL;
- prim_record_minimal_symbol (name, address, type, objfile);
+ bfd_section = cs_to_bfd_section (cs, objfile);
+ return prim_record_minimal_symbol_and_info (cs->c_name, address, type,
+ NULL, section, bfd_section, objfile);
}
\f
/* coff_symfile_init ()
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
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! */
val = init_lineno (abfd, info->min_lineno_offset,
info->max_lineno_offset - info->min_lineno_offset);
if (val < 0)
- error ("\"%s\": error reading line numbers\n", name);
+ error (_("\"%s\": error reading line numbers."), name);
}
/* Now read the string table, all at once. */
make_cleanup (free_stringtab_cleanup, 0 /*ignore*/);
val = init_stringtab (abfd, stringtab_offset);
if (val < 0)
- error ("\"%s\": can't get string table", name);
+ error (_("\"%s\": can't get string table"), name);
init_minimal_symbol_collection ();
cleanup_minimal_symbols = make_cleanup_discard_minimal_symbols ();
/* 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)
{
if (!info->stabstrsect)
{
- error (("The debugging information in `%s' is corrupted.\n"
- "The file has a `.stabs' section, but no `.stabstr' "
- "section."),
+ error (_("The debugging information in `%s' is corrupted.\n"
+ "The file has a `.stabs' section, but no `.stabstr' section."),
name);
}
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 */
long fcn_line_ptr = 0;
int val;
CORE_ADDR tmpaddr;
+ struct minimal_symbol *msym;
/* Work around a stdio bug in SunOS4.1.1 (this makes me nervous....
it's hard to know I've really worked around it. The fix should be
if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
{
/* Record all functions -- external and static -- in minsyms. */
+ int section = cs_to_section (cs, objfile);
tmpaddr = cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
- record_minimal_symbol (cs->c_name, tmpaddr, mst_text, objfile);
+ record_minimal_symbol (cs, tmpaddr, mst_text, section, objfile);
fcn_line_ptr = main_aux.x_sym.x_fcnary.x_fcn.x_lnnoptr;
fcn_start_addr = tmpaddr;
case C_LINE:
case C_ALIAS:
case C_HIDDEN:
- complaint (&symfile_complaints, "Bad n_sclass for symbol %s",
+ complaint (&symfile_complaints, _("Bad n_sclass for symbol %s"),
cs->c_name);
break;
}
else
{
+ asection *bfd_section = cs_to_bfd_section (cs, objfile);
sec = cs_to_section (cs, objfile);
tmpaddr = cs->c_value;
/* Statics in a PE file also get relocated */
|| (pe_file && (cs->c_sclass == C_STAT)))
tmpaddr += ANOFFSET (objfile->section_offsets, sec);
- if (sec == SECT_OFF_TEXT (objfile))
+ if (bfd_section->flags & SEC_CODE)
{
ms_type =
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
|| cs->c_sclass == C_THUMBEXT ?
mst_text : mst_file_text;
- tmpaddr = SMASH_TEXT_ADDRESS (tmpaddr);
+ tmpaddr = gdbarch_smash_text_address
+ (current_gdbarch, tmpaddr);
}
- else if (sec == SECT_OFF_DATA (objfile))
+ else if (bfd_section->flags & SEC_ALLOC
+ && bfd_section->flags & SEC_LOAD)
{
ms_type =
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT ?
mst_data : mst_file_data;
}
- else if (sec == SECT_OFF_BSS (objfile))
+ else if (bfd_section->flags & SEC_ALLOC)
{
ms_type =
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT ?
- mst_data : mst_file_data;
+ mst_bss : mst_file_bss;
}
else
ms_type = mst_unknown;
}
- if (cs->c_name[0] != '@' /* Skip tdesc symbols */ )
- {
- struct minimal_symbol *msym;
- msym = prim_record_minimal_symbol_and_info
- (cs->c_name, tmpaddr, ms_type, NULL,
- sec, NULL, objfile);
- if (msym)
- COFF_MAKE_MSYMBOL_SPECIAL (cs->c_sclass, msym);
- }
+ msym = record_minimal_symbol (cs, tmpaddr, ms_type, sec, objfile);
+ if (msym)
+ gdbarch_coff_make_msymbol_special
+ (current_gdbarch, cs->c_sclass, msym);
+
if (SDB_TYPE (cs->c_type))
{
struct symbol *sym;
contains line number of '{' } */
if (cs->c_naux != 1)
complaint (&symfile_complaints,
- "`.bf' symbol %d has no aux entry", cs->c_symnum);
+ _("`.bf' symbol %d has no aux entry"), cs->c_symnum);
fcn_first_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
fcn_first_line_addr = cs->c_value;
else if (DEPRECATED_STREQ (cs->c_name, ".ef"))
{
if (!within_function)
- error ("Bad coff function information\n");
+ error (_("Bad coff function information."));
/* the value of .ef is the address of epilogue code;
not useful for gdb. */
/* { main_aux.x_sym.x_misc.x_lnsz.x_lnno
if (context_stack_depth <= 0)
{ /* We attempted to pop an empty context stack */
complaint (&symfile_complaints,
- "`.ef' symbol without matching `.bf' symbol ignored starting at symnum %d",
+ _("`.ef' symbol without matching `.bf' symbol ignored starting at symnum %d"),
cs->c_symnum);
within_function = 0;
break;
if (context_stack_depth > 0 || new == NULL)
{
complaint (&symfile_complaints,
- "Unmatched .ef symbol(s) ignored starting at symnum %d",
+ _("Unmatched .ef symbol(s) ignored starting at symnum %d"),
cs->c_symnum);
within_function = 0;
break;
if (cs->c_naux != 1)
{
complaint (&symfile_complaints,
- "`.ef' symbol %d has no aux entry", cs->c_symnum);
+ _("`.ef' symbol %d has no aux entry"), cs->c_symnum);
fcn_last_line = 0x7FFFFFFF;
}
else
if (context_stack_depth <= 0)
{ /* We attempted to pop an empty context stack */
complaint (&symfile_complaints,
- "`.eb' symbol without matching `.bb' symbol ignored starting at symnum %d",
+ _("`.eb' symbol without matching `.bb' symbol ignored starting at symnum %d"),
cs->c_symnum);
break;
}
if (depth-- != new->depth)
{
complaint (&symfile_complaints,
- "Mismatched .eb symbol ignored starting at symnum %d",
+ _("Mismatched .eb symbol ignored starting at symnum %d"),
symnum);
break;
}
#if 0
if (cs->c_sclass & 128)
- printf ("thumb symbol %s, class 0x%x\n", cs->c_name, cs->c_sclass);
+ printf (_("thumb symbol %s, class 0x%x\n"), cs->c_name, cs->c_sclass);
#endif
symnum += 1 + cs->c_naux;
if (file_offset < linetab_offset)
{
complaint (&symfile_complaints,
- "Line number pointer %ld lower than start of line numbers",
+ _("Line number pointer %ld lower than start of line numbers"),
file_offset);
if (file_offset > linetab_size) /* Too big to be an offset? */
return;
/* 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
{
if (TYPE_NAME (target))
xfree (TYPE_NAME (target));
- TYPE_NAME (target) = concat (TYPE_NAME (real_target), NULL);
+ TYPE_NAME (target) = concat (TYPE_NAME (real_target), (char *)NULL);
}
}
#endif
case C_REG:
SYMBOL_CLASS (sym) = LOC_REGISTER;
- SYMBOL_VALUE (sym) = SDB_REG_TO_REGNUM (cs->c_value);
+ SYMBOL_VALUE (sym) = gdbarch_sdb_reg_to_regnum
+ (current_gdbarch, cs->c_value);
add_symbol_to_list (sym, &local_symbols);
break;
SYMBOL_CLASS (sym) = LOC_ARG;
add_symbol_to_list (sym, &local_symbols);
#if !defined (BELIEVE_PCC_PROMOTION)
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
/* If PCC says a parameter is a short or a char,
aligned on an int boundary, realign it to the
case C_REGPARM:
SYMBOL_CLASS (sym) = LOC_REGPARM;
- SYMBOL_VALUE (sym) = SDB_REG_TO_REGNUM (cs->c_value);
+ SYMBOL_VALUE (sym) = gdbarch_sdb_reg_to_regnum
+ (current_gdbarch, cs->c_value);
add_symbol_to_list (sym, &local_symbols);
#if !defined (BELIEVE_PCC_PROMOTION)
/* FIXME: This should retain the current type, since it's just
}
else
TYPE_NAME (SYMBOL_TYPE (sym)) =
- concat (DEPRECATED_SYMBOL_NAME (sym), NULL);
+ concat (DEPRECATED_SYMBOL_NAME (sym), (char *)NULL);
}
/* Keep track of any type which points to empty structured type,
&& *DEPRECATED_SYMBOL_NAME (sym) != '~'
&& *DEPRECATED_SYMBOL_NAME (sym) != '.')
TYPE_TAG_NAME (SYMBOL_TYPE (sym)) =
- concat (DEPRECATED_SYMBOL_NAME (sym), NULL);
+ concat (DEPRECATED_SYMBOL_NAME (sym), (char *)NULL);
add_symbol_to_list (sym, &file_symbols);
break;
else
{
complaint (&symfile_complaints,
- "Symbol table entry for %s has bad tagndx value",
+ _("Symbol table entry for %s has bad tagndx value"),
cs->c_name);
/* And fall through to decode_base_type... */
}
case T_LONG:
if (cs->c_sclass == C_FIELD
- && aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT)
+ && aux->x_sym.x_misc.x_lnsz.x_size
+ > gdbarch_long_bit (current_gdbarch))
return lookup_fundamental_type (current_objfile, FT_LONG_LONG);
else
return lookup_fundamental_type (current_objfile, FT_LONG);
case T_ULONG:
if (cs->c_sclass == C_FIELD
- && aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT)
+ && aux->x_sym.x_misc.x_lnsz.x_size
+ > gdbarch_long_bit (current_gdbarch))
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG_LONG);
else
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG);
}
- complaint (&symfile_complaints, "Unexpected type for symbol %s", cs->c_name);
+ complaint (&symfile_complaints, _("Unexpected type for symbol %s"), cs->c_name);
return lookup_fundamental_type (current_objfile, FT_VOID);
}
\f
if (length > 0)
TYPE_LENGTH (type) = length;
- else
- TYPE_LENGTH (type) = TARGET_INT_BIT / TARGET_CHAR_BIT; /* Assume ints */
+ else /* Assume ints. */
+ TYPE_LENGTH (type) = gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT;
TYPE_CODE (type) = TYPE_CODE_ENUM;
TYPE_NFIELDS (type) = nsyms;
TYPE_FIELDS (type) = (struct field *)
coff_symfile_read, /* sym_read: read a symbol file into symtab */
coff_symfile_finish, /* sym_finish: finished with file, cleanup */
default_symfile_offsets, /* sym_offsets: xlate external to internal form */
+ default_symfile_segments, /* sym_segments: Get segment information from
+ a file. */
NULL /* next: pointer to next struct sym_fns */
};