/* Read coff symbol tables and convert to internal format, for GDB.
- Copyright (C) 1987-2013 Free Software Foundation, Inc.
+ Copyright (C) 1987-2014 Free Software Foundation, Inc.
Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).
This file is part of GDB.
#include "bfd.h"
#include "gdb_obstack.h"
-
-#include "gdb_string.h"
#include <ctype.h>
#include "coff/internal.h" /* Internal format of COFF symbols in BFD */
#include "stabsread.h"
#include "complaints.h"
#include "target.h"
-#include "gdb_assert.h"
#include "block.h"
#include "dictionary.h"
unsigned int c_type;
};
+/* Vector of types defined so far, indexed by their type numbers. */
+
+static struct type **type_vector;
+
+/* Number of elements allocated for type_vector currently. */
+
+static int type_vector_length;
+
+/* Initial size of type vector. Is realloc'd larger if needed, and
+ realloc'd down to the size actually used, when completed. */
+
+#define INITIAL_TYPE_VECTOR_LENGTH 160
+
extern void stabsread_clear_cache (void);
static struct type *coff_read_struct_type (int, int, int,
if (sect == NULL)
return SECT_OFF_TEXT (objfile);
- return sect->index;
+ return gdb_bfd_section_index (objfile->obfd, sect);
}
/* Return the address of the section of a COFF symbol. */
it indicates the start of data for one original source file. */
static void
-coff_start_symtab (const char *name)
+coff_start_symtab (struct objfile *objfile, const char *name)
{
- start_symtab (
+ start_symtab (objfile,
/* We fill in the filename later. start_symtab puts this pointer
into last_source_file and we put it in subfiles->name, which
end_symtab frees; that's why it must be malloc'd. */
{
last_source_start_addr = current_source_start_addr;
- end_symtab (current_source_end_addr, objfile,
- SECT_OFF_TEXT (objfile));
+ end_symtab (current_source_end_addr, SECT_OFF_TEXT (objfile));
/* Reinitialize for beginning of new file. */
set_last_source_file (NULL);
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 (cs->c_name[0] == '@')
return NULL;
return NULL;
}
- bfd_section = cs_to_bfd_section (cs, objfile);
return prim_record_minimal_symbol_and_info (cs->c_name, address,
- type, section,
- bfd_section, objfile);
+ type, section, objfile);
}
\f
/* coff_symfile_init ()
install_minimal_symbols (objfile);
+ if (pe_file)
+ {
+ struct minimal_symbol *msym;
+
+ ALL_OBJFILE_MSYMBOLS (objfile, msym)
+ {
+ const char *name = MSYMBOL_LINKAGE_NAME (msym);
+
+ /* If the minimal symbols whose name are prefixed by "__imp_"
+ or "_imp_", get rid of the prefix, and search the minimal
+ symbol in OBJFILE. Note that 'maintenance print msymbols'
+ shows that type of these "_imp_XXXX" symbols is mst_data. */
+ if (MSYMBOL_TYPE (msym) == mst_data
+ && (strncmp (name, "__imp_", 6) == 0
+ || strncmp (name, "_imp_", 5) == 0))
+ {
+ const char *name1 = (name[1] == '_' ? &name[7] : &name[6]);
+ struct bound_minimal_symbol found;
+
+ found = lookup_minimal_symbol (name1, NULL, objfile);
+ /* If found, there are symbols named "_imp_foo" and "foo"
+ respectively in OBJFILE. Set the type of symbol "foo"
+ as 'mst_solib_trampoline'. */
+ if (found.minsym != NULL
+ && MSYMBOL_TYPE (found.minsym) == mst_text)
+ MSYMBOL_TYPE (found.minsym) = mst_solib_trampoline;
+ }
+ }
+ }
+
/* Free the installed minimal symbol data. */
do_cleanups (cleanup_minimal_symbols);
bfd *abfd = symfile_bfd_open (debugfile);
make_cleanup_bfd_unref (abfd);
- symbol_file_add_separate (abfd, symfile_flags, objfile);
+ symbol_file_add_separate (abfd, debugfile, symfile_flags, objfile);
}
}
/* Position to read the symbol table. */
val = bfd_seek (objfile->obfd, (long) symtab_offset, 0);
if (val < 0)
- perror_with_name (objfile->name);
+ perror_with_name (objfile_name (objfile));
coffread_objfile = objfile;
nlist_bfd_global = objfile->obfd;
if (type_vector) /* Get rid of previous one. */
xfree (type_vector);
- type_vector_length = 160;
+ type_vector_length = INITIAL_TYPE_VECTOR_LENGTH;
type_vector = (struct type **)
xmalloc (type_vector_length * sizeof (struct type *));
memset (type_vector, 0, type_vector_length * sizeof (struct type *));
- coff_start_symtab ("");
+ coff_start_symtab (objfile, "");
symnum = 0;
while (symnum < nsyms)
if (get_last_source_file ())
coff_end_symtab (objfile);
- coff_start_symtab ("_globals_");
+ coff_start_symtab (objfile, "_globals_");
/* coff_start_symtab will set the language of this symtab to
language_unknown, since such a ``file name'' is not
recognized. Override that with the minimal language to
minsyms. */
int section = cs_to_section (cs, objfile);
- tmpaddr = cs->c_value + ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile));
+ tmpaddr = cs->c_value;
record_minimal_symbol (cs, tmpaddr, mst_text,
section, objfile);
if (get_last_source_file ())
{
coff_end_symtab (objfile);
- coff_start_symtab (filestring);
+ coff_start_symtab (objfile, filestring);
}
in_source_file = 1;
break;
enum minimal_symbol_type ms_type;
int sec;
+ CORE_ADDR offset = 0;
if (cs->c_secnum == N_UNDEF)
{
|| cs->c_sclass == C_THUMBEXTFUNC
|| cs->c_sclass == C_THUMBEXT
|| (pe_file && (cs->c_sclass == C_STAT)))
- tmpaddr += ANOFFSET (objfile->section_offsets, sec);
+ offset = ANOFFSET (objfile->section_offsets, sec);
if (bfd_section->flags & SEC_CODE)
{
sym = process_coff_symbol
(cs, &main_aux, objfile);
- SYMBOL_VALUE (sym) = tmpaddr;
+ SYMBOL_VALUE (sym) = tmpaddr + offset;
SYMBOL_SECTION (sym) = sec;
}
}
fcn_cs_saved.c_value
+ fcn_aux_saved.x_sym.x_misc.x_fsize
+ ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile)),
- objfile
- );
+ SECT_OFF_TEXT (objfile)));
within_function = 0;
}
break;
SECT_OFF_TEXT (objfile));
/* Make a block for the local symbols within. */
finish_block (0, &local_symbols, new->old_blocks,
- new->start_addr, tmpaddr, objfile);
+ new->start_addr, tmpaddr);
}
/* Now pop locals of block just finished. */
local_symbols = new->locals;
cs->c_symnum = symnum;
bytes = bfd_bread (temp_sym, local_symesz, nlist_bfd_global);
if (bytes != local_symesz)
- error (_("%s: error reading symbols"), coffread_objfile->name);
+ error (_("%s: error reading symbols"), objfile_name (coffread_objfile));
bfd_coff_swap_sym_in (symfile_bfd, temp_sym, (char *) sym);
cs->c_naux = sym->n_numaux & 0xff;
if (cs->c_naux >= 1)
{
bytes = bfd_bread (temp_aux, local_auxesz, nlist_bfd_global);
if (bytes != local_auxesz)
- error (_("%s: error reading symbols"), coffread_objfile->name);
+ error (_("%s: error reading symbols"), objfile_name (coffread_objfile));
bfd_coff_swap_aux_in (symfile_bfd, temp_aux,
sym->n_type, sym->n_sclass,
0, cs->c_naux, (char *) aux);
{
bytes = bfd_bread (temp_aux, local_auxesz, nlist_bfd_global);
if (bytes != local_auxesz)
- error (_("%s: error reading symbols"), coffread_objfile->name);
+ error (_("%s: error reading symbols"),
+ objfile_name (coffread_objfile));
}
}
cs->c_name = getsymname (sym);
name = cs->c_name;
name = EXTERNAL_NAME (name, objfile->obfd);
- SYMBOL_SET_LANGUAGE (sym, current_subfile->language);
+ SYMBOL_SET_LANGUAGE (sym, current_subfile->language,
+ &objfile->objfile_obstack);
SYMBOL_SET_NAMES (sym, name, strlen (name), 1, objfile);
/* default assumptions */
base_type = decode_type (cs, new_c_type, aux, objfile);
index_type = objfile_type (objfile)->builtin_int;
- range_type =
- create_range_type ((struct type *) NULL,
- index_type, 0, n - 1);
+ range_type
+ = create_static_range_type ((struct type *) NULL,
+ index_type, 0, n - 1);
type =
create_array_type ((struct type *) NULL,
base_type, range_type);
static const struct sym_fns coff_sym_fns =
{
- bfd_target_coff_flavour,
coff_new_init, /* sym_new_init: init anything gbl to
entire symtab */
coff_symfile_init, /* sym_init: read initial info, setup
void
_initialize_coffread (void)
{
- add_symtab_fns (&coff_sym_fns);
+ add_symtab_fns (bfd_target_coff_flavour, &coff_sym_fns);
coff_objfile_data_key = register_objfile_data_with_cleanup (NULL,
coff_free_info);
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