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authorIan Lance Taylor <ian@airs.com>1995-07-13 14:46:06 +0000
committerIan Lance Taylor <ian@airs.com>1995-07-13 14:46:06 +0000
commitc3246d9b00ee6626c79eced991d3b669aa4846ab (patch)
treec848743cf5324d8649724550d7b3d6449f5bedaf
parentac7530a8958a2d871bf5967b58f7e3283883d567 (diff)
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* targets.c (bfd_target): Add fields _read_minisymbols and
_minisymbol_to_symbol. (BFD_JUMP_TABLE_SYMBOLS): Add _read_minisymbols and _minisymbol_to_symbol. (bfd_read_minisymbols): Define. (bfd_minisymbol_to_symbol): Define. * syms.c (_bfd_generic_read_minisymbols): Define. (_bfd_generic_minisymbol_to_symbol): Define. * libbfd-in.h (_bfd_nosymbols_read_minisymbols): Define. (_bfd_nosymbols_minisymbol_to_symbol): Define. (_bfd_generic_read_minisymbols): Declare. (_bfd_generic_minisymbol_to_symbol): Declare. * bfd-in2.h: Rebuild. * libbfd.h: Rebuild. * aoutx.h (MINISYM_THRESHOLD): Define. (NAME(aout,read_minisymbols)): New function. (NAME(aout,minisymbol_to_symbol)): New function. * libaout.h (NAME(aout,read_minisymbols)): Declare. (NAME(aout,minisymbol_to_symbol)): Declare. * aout-target.h (MY_read_minisymbols): Define. (MY_minisymbol_to_symbol): Define. * All targets: Define read_minisymbols and minisymbol_to_symbol. PR 5332.
-rw-r--r--bfd/ChangeLog25
-rw-r--r--bfd/aoutx.h99
-rw-r--r--bfd/ieee.c45
-rw-r--r--bfd/libelf.h2
-rw-r--r--bfd/oasys.c12
-rw-r--r--bfd/som.c4
-rw-r--r--bfd/srec.c15
-rw-r--r--bfd/syms.c89
-rw-r--r--bfd/versados.c301
9 files changed, 421 insertions, 171 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 19a53a5..7d20576 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,28 @@
+Thu Jul 13 10:33:25 1995 Ian Lance Taylor <ian@cygnus.com>
+
+ * targets.c (bfd_target): Add fields _read_minisymbols and
+ _minisymbol_to_symbol.
+ (BFD_JUMP_TABLE_SYMBOLS): Add _read_minisymbols and
+ _minisymbol_to_symbol.
+ (bfd_read_minisymbols): Define.
+ (bfd_minisymbol_to_symbol): Define.
+ * syms.c (_bfd_generic_read_minisymbols): Define.
+ (_bfd_generic_minisymbol_to_symbol): Define.
+ * libbfd-in.h (_bfd_nosymbols_read_minisymbols): Define.
+ (_bfd_nosymbols_minisymbol_to_symbol): Define.
+ (_bfd_generic_read_minisymbols): Declare.
+ (_bfd_generic_minisymbol_to_symbol): Declare.
+ * bfd-in2.h: Rebuild.
+ * libbfd.h: Rebuild.
+ * aoutx.h (MINISYM_THRESHOLD): Define.
+ (NAME(aout,read_minisymbols)): New function.
+ (NAME(aout,minisymbol_to_symbol)): New function.
+ * libaout.h (NAME(aout,read_minisymbols)): Declare.
+ (NAME(aout,minisymbol_to_symbol)): Declare.
+ * aout-target.h (MY_read_minisymbols): Define.
+ (MY_minisymbol_to_symbol): Define.
+ * All targets: Define read_minisymbols and minisymbol_to_symbol.
+
Wed Jul 12 17:55:55 1995 Ken Raeburn <raeburn@cygnus.com>
* elflink.h (elf_link_add_object_symbols): Cast return value from
diff --git a/bfd/aoutx.h b/bfd/aoutx.h
index 8c6ebb1..8d2385e 100644
--- a/bfd/aoutx.h
+++ b/bfd/aoutx.h
@@ -2539,6 +2539,78 @@ NAME(aout,print_symbol) (ignore_abfd, afile, symbol, how)
}
}
+/* If we don't have to allocate more than 1MB to hold the generic
+ symbols, we use the generic minisymbol methord: it's faster, since
+ it only translates the symbols once, not multiple times. */
+#define MINISYM_THRESHOLD (1000000 / sizeof (asymbol))
+
+/* Read minisymbols. For minisymbols, we use the unmodified a.out
+ symbols. The minisymbol_to_symbol function translates these into
+ BFD asymbol structures. */
+
+long
+NAME(aout,read_minisymbols) (abfd, dynamic, minisymsp, sizep)
+ bfd *abfd;
+ boolean dynamic;
+ PTR *minisymsp;
+ unsigned int *sizep;
+{
+ if (dynamic)
+ {
+ /* We could handle the dynamic symbols here as well, but it's
+ easier to hand them off. */
+ return _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep);
+ }
+
+ if (! aout_get_external_symbols (abfd))
+ return -1;
+
+ if (obj_aout_external_sym_count (abfd) < MINISYM_THRESHOLD)
+ return _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep);
+
+ *minisymsp = (PTR) obj_aout_external_syms (abfd);
+
+ /* By passing the external symbols back from this routine, we are
+ giving up control over the memory block. Clear
+ obj_aout_external_syms, so that we do not try to free it
+ ourselves. */
+ obj_aout_external_syms (abfd) = NULL;
+
+ *sizep = EXTERNAL_NLIST_SIZE;
+ return obj_aout_external_sym_count (abfd);
+}
+
+/* Convert a minisymbol to a BFD asymbol. A minisymbol is just an
+ unmodified a.out symbol. The SYM argument is a structure returned
+ by bfd_make_empty_symbol, which we fill in here. */
+
+asymbol *
+NAME(aout,minisymbol_to_symbol) (abfd, dynamic, minisym, sym)
+ bfd *abfd;
+ boolean dynamic;
+ const PTR minisym;
+ asymbol *sym;
+{
+ if (dynamic
+ || obj_aout_external_sym_count (abfd) < MINISYM_THRESHOLD)
+ return _bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym);
+
+ memset (sym, 0, sizeof (aout_symbol_type));
+
+ /* We call translate_symbol_table to translate a single symbol. */
+ if (! (NAME(aout,translate_symbol_table)
+ (abfd,
+ (aout_symbol_type *) sym,
+ (struct external_nlist *) minisym,
+ (bfd_size_type) 1,
+ obj_aout_external_strings (abfd),
+ obj_aout_external_string_size (abfd),
+ false)))
+ return NULL;
+
+ return sym;
+}
+
/*
provided a BFD, a section and an offset into the section, calculate
and return the name of the source file and the line nearest to the
@@ -2761,12 +2833,12 @@ NAME(aout,link_hash_table_create) (abfd)
struct aout_link_hash_table *ret;
ret = ((struct aout_link_hash_table *)
- malloc (sizeof (struct aout_link_hash_table)));
- if (ret == (struct aout_link_hash_table *) NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return (struct bfd_link_hash_table *) NULL;
- }
+ bfd_alloc (abfd, sizeof (struct aout_link_hash_table)));
+ if (ret == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return (struct bfd_link_hash_table *) NULL;
+ }
if (! NAME(aout,link_hash_table_init) (ret, abfd,
NAME(aout,link_hash_newfunc)))
{
@@ -2784,26 +2856,11 @@ NAME(aout,link_add_symbols) (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
{
- bfd *first;
-
switch (bfd_get_format (abfd))
{
case bfd_object:
return aout_link_add_object_symbols (abfd, info);
case bfd_archive:
- first = bfd_openr_next_archived_file (abfd, (bfd *) NULL);
- if (first == NULL)
- return false;
- if (! bfd_check_format (first, bfd_object))
- return false;
- if (bfd_get_flavour (first) != bfd_target_aout_flavour)
- {
- /* On Linux, we may have an ELF archive which got recognized
- as an a.out archive. Therefore, we treat all archives as
- though they were actually of the flavour of their first
- element. */
- return (*first->xvec->_bfd_link_add_symbols) (abfd, info);
- }
return _bfd_generic_link_add_archive_symbols
(abfd, info, aout_link_check_archive_element);
default:
diff --git a/bfd/ieee.c b/bfd/ieee.c
index 9a29fc4..fc4be70 100644
--- a/bfd/ieee.c
+++ b/bfd/ieee.c
@@ -16,7 +16,7 @@ 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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define KEEPMINUSPCININST 0
@@ -227,14 +227,14 @@ ieee_write_expression (abfd, value, symbol, pcrel, index)
}
if (bfd_is_com_section (symbol->section)
- || symbol->section == &bfd_und_section)
+ || bfd_is_und_section (symbol->section))
{
/* Def of a common symbol */
ieee_write_byte (abfd, ieee_variable_X_enum);
ieee_write_int (abfd, symbol->value);
term_count++;
}
- else if (symbol->section != &bfd_abs_section)
+ else if (! bfd_is_abs_section (symbol->section))
{
/* Ref to defined symbol - */
@@ -435,7 +435,7 @@ parse_expression (ieee, value, symbol, pcrel, extra, section)
next_byte (&(ieee->h));
*pcrel = true;
section_n = must_parse_int (&(ieee->h));
- PUSH (NOSYMBOL, &bfd_abs_section,
+ PUSH (NOSYMBOL, bfd_abs_section_ptr,
TOS.value = ieee->section_table[section_n]->vma +
ieee_per_section (ieee->section_table[section_n])->pc);
break;
@@ -467,7 +467,7 @@ parse_expression (ieee, value, symbol, pcrel, extra, section)
sy.index = (int) (must_parse_int (&(ieee->h)));
sy.letter = 'X';
- PUSH (sy, &bfd_und_section, 0);
+ PUSH (sy, bfd_und_section_ptr, 0);
}
break;
case ieee_function_minus_enum:
@@ -493,7 +493,9 @@ parse_expression (ieee, value, symbol, pcrel, extra, section)
POP (sy1, section1, value1);
POP (sy2, section2, value2);
- PUSH (sy1.letter ? sy1 : sy2, section1 != &bfd_abs_section ? section1 : section2, value1 + value2);
+ PUSH (sy1.letter ? sy1 : sy2,
+ bfd_is_abs_section (section1) ? section2 : section1,
+ value1 + value2);
}
break;
default:
@@ -503,7 +505,7 @@ parse_expression (ieee, value, symbol, pcrel, extra, section)
|| this_byte (&(ieee->h)) > (int) ieee_variable_Z_enum);
if (parse_int (&(ieee->h), &va))
{
- PUSH (NOSYMBOL, &bfd_abs_section, va);
+ PUSH (NOSYMBOL, bfd_abs_section_ptr, va);
}
else
{
@@ -623,7 +625,7 @@ ieee_slurp_external_symbols (abfd)
symbol->symbol.the_bfd = abfd;
symbol->symbol.name = read_id (&(ieee->h));
- symbol->symbol.udata = (PTR) NULL;
+ symbol->symbol.udata.p = (PTR) NULL;
symbol->symbol.flags = BSF_NO_FLAGS;
break;
case ieee_external_symbol_enum:
@@ -639,7 +641,7 @@ ieee_slurp_external_symbols (abfd)
symbol->symbol.the_bfd = abfd;
symbol->symbol.name = read_id (&(ieee->h));
- symbol->symbol.udata = (PTR) NULL;
+ symbol->symbol.udata.p = (PTR) NULL;
symbol->symbol.flags = BSF_NO_FLAGS;
break;
case ieee_attribute_record_enum >> 8:
@@ -706,7 +708,7 @@ ieee_slurp_external_symbols (abfd)
value = 0;
}
/* This turns into a common */
- symbol->symbol.section = &bfd_com_section;
+ symbol->symbol.section = bfd_com_section_ptr;
symbol->symbol.value = size;
}
break;
@@ -722,8 +724,8 @@ ieee_slurp_external_symbols (abfd)
symbol->symbol.the_bfd = abfd;
symbol->symbol.name = read_id (&(ieee->h));
- symbol->symbol.udata = (PTR) NULL;
- symbol->symbol.section = &bfd_und_section;
+ symbol->symbol.udata.p = (PTR) NULL;
+ symbol->symbol.section = bfd_und_section_ptr;
symbol->symbol.value = (bfd_vma) 0;
symbol->symbol.flags = 0;
@@ -812,7 +814,7 @@ ieee_get_symtab (abfd, location)
static bfd dummy_bfd;
static asymbol empty_symbol =
/* the_bfd, name, value, attr, section */
- {&dummy_bfd, " ieee empty", (symvalue) 0, BSF_DEBUGGING, &bfd_abs_section};
+ {&dummy_bfd, " ieee empty", (symvalue) 0, BSF_DEBUGGING, bfd_abs_section_ptr};
if (abfd->symcount)
{
@@ -1796,7 +1798,7 @@ ieee_write_section_part (abfd)
ieee->w.r.section_part = bfd_tell (abfd);
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
{
- if (s != &bfd_abs_section)
+ if (! bfd_is_abs_section (s))
{
ieee_write_byte (abfd, ieee_section_type_enum);
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
@@ -2823,7 +2825,7 @@ ieee_write_debug_part (abfd)
ieee_write_byte (abfd, 0);
ieee_write_byte (abfd, 0xf9);
ieee_write_expression (abfd, s->size,
- bfd_abs_section.symbol, 0, 0, 0);
+ bfd_abs_section_ptr->symbol, 0, 0, 0);
i++;
}
@@ -2957,7 +2959,7 @@ ieee_write_external_part (abfd)
{
asymbol *p = *q;
hadone = true;
- if (p->section == &bfd_und_section)
+ if (bfd_is_und_section (p->section))
{
/* This must be a symbol reference .. */
ieee_write_byte (abfd, ieee_external_reference_enum);
@@ -2998,7 +3000,7 @@ ieee_write_external_part (abfd)
/* Write out the value */
ieee_write_2bytes (abfd, ieee_value_record_enum);
ieee_write_int (abfd, public_index);
- if (p->section != &bfd_abs_section)
+ if (! bfd_is_abs_section (p->section))
{
if (abfd->flags & EXEC_P)
{
@@ -3020,7 +3022,7 @@ ieee_write_external_part (abfd)
{
ieee_write_expression (abfd,
p->value,
- bfd_abs_section.symbol,
+ bfd_abs_section_ptr->symbol,
false, 0);
}
p->value = public_index;
@@ -3349,15 +3351,21 @@ ieee_bfd_debug_info_accumulate (abfd, section)
#define ieee_slurp_armap bfd_true
#define ieee_slurp_extended_name_table bfd_true
+#define ieee_construct_extended_name_table \
+ ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
+ bfd_true)
#define ieee_truncate_arname bfd_dont_truncate_arname
#define ieee_write_armap \
((boolean (*) \
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
bfd_true)
+#define ieee_update_armap_timestamp bfd_true
#define ieee_bfd_is_local_label bfd_generic_is_local_label
#define ieee_get_lineno _bfd_nosymbols_get_lineno
#define ieee_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define ieee_read_minisymbols _bfd_generic_read_minisymbols
+#define ieee_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define ieee_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
@@ -3369,6 +3377,7 @@ ieee_bfd_debug_info_accumulate (abfd, section)
#define ieee_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define ieee_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define ieee_bfd_final_link _bfd_generic_final_link
+#define ieee_bfd_link_split_section _bfd_generic_link_split_section
/*SUPPRESS 460 */
const bfd_target ieee_vec =
diff --git a/bfd/libelf.h b/bfd/libelf.h
index d0aa970..c0d2f7e 100644
--- a/bfd/libelf.h
+++ b/bfd/libelf.h
@@ -601,6 +601,8 @@ extern boolean _bfd_elf_find_nearest_line PARAMS ((bfd *, asection *,
bfd_vma, CONST char **,
CONST char **,
unsigned int *));
+#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
+#define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
extern int _bfd_elf_sizeof_headers PARAMS ((bfd *, boolean));
extern boolean _bfd_elf_new_section_hook PARAMS ((bfd *, asection *));
diff --git a/bfd/oasys.c b/bfd/oasys.c
index 26876e3..8cd8505 100644
--- a/bfd/oasys.c
+++ b/bfd/oasys.c
@@ -1,5 +1,5 @@
/* BFD back-end for oasys objects.
- Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
This file is part of BFD, the Binary File Descriptor library.
@@ -16,7 +16,7 @@ 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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define UNDERSCORE_HACK 1
#include "bfd.h"
@@ -1174,7 +1174,7 @@ oasys_write_data (abfd)
if (relocs_to_go != 0)
{
arelent *r = *p;
- const reloc_howto_type *const how = r->howto;
+ reloc_howto_type *const how = r->howto;
/* There is a relocation, is it for this byte ? */
if (r->address == current_byte_index)
{
@@ -1475,6 +1475,9 @@ oasys_sizeof_headers (abfd, exec)
#define oasys_slurp_armap bfd_true
#define oasys_slurp_extended_name_table bfd_true
+#define oasys_construct_extended_name_table \
+ ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
+ bfd_true)
#define oasys_truncate_arname bfd_dont_truncate_arname
#define oasys_write_armap \
((boolean (*) \
@@ -1485,6 +1488,8 @@ oasys_sizeof_headers (abfd, exec)
#define oasys_bfd_is_local_label bfd_generic_is_local_label
#define oasys_get_lineno _bfd_nosymbols_get_lineno
#define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define oasys_read_minisymbols _bfd_generic_read_minisymbols
+#define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
@@ -1496,6 +1501,7 @@ oasys_sizeof_headers (abfd, exec)
#define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define oasys_bfd_final_link _bfd_generic_final_link
+#define oasys_bfd_link_split_section _bfd_generic_link_split_section
/*SUPPRESS 460 */
const bfd_target oasys_vec =
diff --git a/bfd/som.c b/bfd/som.c
index e43e394..4bcd388 100644
--- a/bfd/som.c
+++ b/bfd/som.c
@@ -19,7 +19,7 @@
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. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
@@ -5943,6 +5943,8 @@ som_bfd_link_split_section (abfd, sec)
#define som_get_lineno _bfd_nosymbols_get_lineno
#define som_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define som_read_minisymbols _bfd_generic_read_minisymbols
+#define som_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define som_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents
diff --git a/bfd/srec.c b/bfd/srec.c
index 720868a..34c8ce7 100644
--- a/bfd/srec.c
+++ b/bfd/srec.c
@@ -16,7 +16,7 @@ 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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
SUBSECTION
@@ -778,8 +778,7 @@ srec_get_section_contents (abfd, section, location, offset, count)
return true;
}
-/* we have to save up all the Srecords for a splurge before output,
- also remember */
+/* we have to save up all the Srecords for a splurge before output */
static boolean
srec_set_section_contents (abfd, section, location, offset, bytes_to_do)
@@ -800,7 +799,8 @@ srec_set_section_contents (abfd, section, location, offset, bytes_to_do)
return false;
}
- if ((section->flags & SEC_ALLOC)
+ if (bytes_to_do
+ && (section->flags & SEC_ALLOC)
&& (section->flags & SEC_LOAD))
{
bfd_byte *data = (bfd_byte *) bfd_alloc (abfd, bytes_to_do);
@@ -811,11 +811,11 @@ srec_set_section_contents (abfd, section, location, offset, bytes_to_do)
}
memcpy ((PTR) data, location, bytes_to_do);
- if ((section->lma + offset + bytes_to_do) <= 0xffff)
+ if ((section->lma + offset + bytes_to_do - 1) <= 0xffff)
{
}
- else if ((section->lma + offset + bytes_to_do) <= 0xffffff
+ else if ((section->lma + offset + bytes_to_do - 1) <= 0xffffff
&& tdata->type < 2)
{
tdata->type = 2;
@@ -1212,6 +1212,8 @@ srec_print_symbol (ignore_abfd, afile, symbol, how)
#define srec_get_lineno _bfd_nosymbols_get_lineno
#define srec_find_nearest_line _bfd_nosymbols_find_nearest_line
#define srec_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define srec_read_minisymbols _bfd_generic_read_minisymbols
+#define srec_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define srec_get_reloc_upper_bound \
((long (*) PARAMS ((bfd *, asection *))) bfd_0l)
@@ -1227,6 +1229,7 @@ srec_print_symbol (ignore_abfd, afile, symbol, how)
#define srec_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define srec_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define srec_bfd_final_link _bfd_generic_final_link
+#define srec_bfd_link_split_section _bfd_generic_link_split_section
const bfd_target srec_vec =
{
diff --git a/bfd/syms.c b/bfd/syms.c
index 2234c80..402d766 100644
--- a/bfd/syms.c
+++ b/bfd/syms.c
@@ -16,7 +16,7 @@ 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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
SECTION
@@ -91,7 +91,7 @@ SUBSECTION
INODE
-Writing Symbols, typedef asymbol, Reading Symbols, Symbols
+Writing Symbols, Mini symbols, Reading Symbols, Symbols
SUBSECTION
Writing symbols
@@ -137,6 +137,28 @@ SUBSECTION
which is not one of <<.text>>, <<.data>> or <<.bss>> cannot
be described.
+INODE
+Mini symbols, typedef asymbol, Writing Symbols, Symbols
+SUBSECTION
+ Mini symbols
+
+ Mini symbols provide read-only access to the symbol table.
+ They use less memory space, but require more time to access.
+ They can be useful for tools like nm or objdump, which may
+ have to handle symbol tables of extremely large executables.
+
+ The <<bfd_read_minisymbols>> function will read the symbols
+ into memory in an internal form. It will return a <<void *>>
+ pointer to a block of memory, a symbol count, and the size of
+ each symbol. The pointer is allocated using <<malloc>>, and
+ should be freed by the caller when it is no longer needed.
+
+ The function <<bfd_minisymbol_to_symbol>> will take a pointer
+ to a minisymbol, and a pointer to a structure returned by
+ <<bfd_make_empty_symbol>>, and return a <<asymbol>> structure.
+ The return value may or may not be the same as the value from
+ <<bfd_make_empty_symbol>> which was passed in.
+
*/
@@ -144,7 +166,7 @@ SUBSECTION
/*
DOCDD
INODE
-typedef asymbol, symbol handling functions, Writing Symbols, Symbols
+typedef asymbol, symbol handling functions, Mini symbols, Symbols
*/
/*
@@ -589,3 +611,64 @@ DESCRIPTION
. (ibfd, isymbol, obfd, osymbol))
*/
+
+/* The generic version of the function which returns mini symbols.
+ This is used when the backend does not provide a more efficient
+ version. It just uses BFD asymbol structures as mini symbols. */
+
+long
+_bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep)
+ bfd *abfd;
+ boolean dynamic;
+ PTR *minisymsp;
+ unsigned int *sizep;
+{
+ long storage;
+ asymbol **syms = NULL;
+ long symcount;
+
+ if (dynamic)
+ storage = bfd_get_dynamic_symtab_upper_bound (abfd);
+ else
+ storage = bfd_get_symtab_upper_bound (abfd);
+ if (storage < 0)
+ goto error_return;
+
+ syms = (asymbol **) malloc (storage);
+ if (syms == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+
+ if (dynamic)
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ else
+ symcount = bfd_canonicalize_symtab (abfd, syms);
+ if (symcount < 0)
+ goto error_return;
+
+ *minisymsp = (PTR) syms;
+ *sizep = sizeof (asymbol *);
+ return symcount;
+
+ error_return:
+ if (syms != NULL)
+ free (syms);
+ return -1;
+}
+
+/* The generic version of the function which converts a minisymbol to
+ an asymbol. We don't worry about the sym argument we are passed;
+ we just return the asymbol the minisymbol points to. */
+
+/*ARGSUSED*/
+asymbol *
+_bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym)
+ bfd *abfd;
+ boolean dynamic;
+ const PTR minisym;
+ asymbol *sym;
+{
+ return *(asymbol **) minisym;
+}
diff --git a/bfd/versados.c b/bfd/versados.c
index ad89ccd..b555085 100644
--- a/bfd/versados.c
+++ b/bfd/versados.c
@@ -19,7 +19,7 @@
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. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
SUBSECTION
@@ -52,41 +52,46 @@ static const bfd_target *versados_object_p PARAMS ((bfd *));
#define VHEADER '1'
-#define VEXTDEF '2'
+#define VESTDEF '2'
#define VOTR '3'
#define VEND '4'
-#define ES_BASE 17 /* first symbol has esdid 17 */
+#define ES_BASE 17 /* first symbol has esdid 17 */
/* Per file target dependent information */
/* one for each section */
struct esdid
-{
- asection *section; /* ptr to bfd version */
- unsigned char *contents; /* used to build image */
- int pc;
- int relocs; /* reloc count, valid end of pass 1 */
- int donerel; /* have relocs been translated */
-};
+ {
+ asection *section; /* ptr to bfd version */
+ unsigned char *contents; /* used to build image */
+ int pc;
+ int relocs; /* reloc count, valid end of pass 1 */
+ int donerel; /* have relocs been translated */
+ };
typedef struct versados_data_struct
-{
- int es_done; /* count of symbol index, starts at ES_BASE */
- asymbol *symbols; /* pointer to local symbols */
- char *strings; /* strings of all the above */
- int stringlen; /* len of string table (valid end of pass1) */
- int nsyms; /* number of symbols (valid end of pass1) */
- int nsecsyms; /* number of sections */
+ {
+ int es_done; /* count of symbol index, starts at ES_BASE */
+ asymbol *symbols; /* pointer to local symbols */
+ char *strings; /* strings of all the above */
+ int stringlen; /* len of string table (valid end of pass1) */
+ int nsecsyms; /* number of sections */
- int pass_2_done;
+ int ndefs; /* number of exported symbols (they dont get esdids) */
+ int nrefs; /* number of imported symbols (valid end of pass1) */
- struct esdid e[16]; /* per section info */
- int alert; /* to see if we're trampling */
- asymbol *rest[256 - 16]; /* per symbol info */
+ int ref_idx; /* current processed value of the above */
+ int def_idx;
-}
+ int pass_2_done;
+
+ struct esdid e[16]; /* per section info */
+ int alert; /* to see if we're trampling */
+ asymbol *rest[256 - 16]; /* per symbol info */
+
+ }
tdata_type;
#define VDATA(abfd) (abfd->tdata.versados_data)
@@ -97,7 +102,7 @@ struct ext_otr
{
unsigned char size;
char type;
- char map[4];
+ unsigned char map[4];
unsigned char esdid;
unsigned char data[200];
};
@@ -125,14 +130,17 @@ struct ext_esd
char type;
unsigned char esd_entries[1];
};
-#define ESD_ABS 0
-#define EST_SHRT_REL_SEC 1
-#define EST_STD_REL_SEC 2
+#define ESD_ABS 0
+#define ESD_COMMON 1
+#define ESD_STD_REL_SEC 2
+#define ESD_SHRT_REL_SEC 3
#define ESD_XDEF_IN_SEC 4
#define ESD_XREF_SYM 7
+#define ESD_XREF_SEC 6
+#define ESD_XDEF_IN_ABS 5
union ext_any
{
- char size;
+ unsigned char size;
struct ext_vheader header;
struct ext_esd esd;
struct ext_otr otr;
@@ -160,7 +168,7 @@ versados_mkobject (abfd)
}
abfd->tdata.versados_data = tdata;
tdata->symbols = NULL;
- VDATA(abfd)->alert = 0x12345678;
+ VDATA (abfd)->alert = 0x12345678;
}
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
@@ -270,10 +278,10 @@ process_esd (abfd, esd, pass)
{
default:
abort ();
-
+ case ESD_XREF_SEC:
case ESD_XREF_SYM:
{
- int snum = VDATA (abfd)->nsyms++;
+ int snum = VDATA (abfd)->ref_idx++;
get_10 (&ptr, name);
if (pass == 1)
{
@@ -291,20 +299,24 @@ process_esd (abfd, esd, pass)
}
}
break;
+
+
case ESD_ABS:
size = get_4 (&ptr);
start = get_4 (&ptr);
break;
- case EST_STD_REL_SEC:
- case EST_SHRT_REL_SEC:
+ case ESD_STD_REL_SEC:
+ case ESD_SHRT_REL_SEC:
{
sec->_raw_size = get_4 (&ptr);
- sec->flags |= SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
+ sec->flags |= SEC_ALLOC;
}
break;
+ case ESD_XDEF_IN_ABS:
+ sec = (asection *) & bfd_abs_section;
case ESD_XDEF_IN_SEC:
{
- int snum = VDATA (abfd)->nsyms++;
+ int snum = VDATA (abfd)->def_idx++;
long val;
get_10 (&ptr, name);
val = get_4 (&ptr);
@@ -317,7 +329,7 @@ process_esd (abfd, esd, pass)
{
asymbol *s;
char *n = new_symbol_string (abfd, name);
- s = versados_new_symbol (abfd, snum, n, val, sec, scn);
+ s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn);
s->flags |= BSF_GLOBAL;
}
}
@@ -334,21 +346,40 @@ process_esd (abfd, esd, pass)
reloc_howto_type versados_howto_table[] =
{
HOWTO (R_RELWORD, 0, 1, 16, false,
- 0, complain_overflow_bitfield, 0,
+ 0, complain_overflow_dont, 0,
"+v16", true, 0x0000ffff, 0x0000ffff, false),
HOWTO (R_RELLONG, 0, 2, 32, false,
- 0, complain_overflow_bitfield, 0,
+ 0, complain_overflow_dont, 0,
"+v32", true, 0xffffffff, 0xffffffff, false),
HOWTO (R_RELWORD_NEG, 0, -1, 16, false,
- 0, complain_overflow_bitfield, 0,
+ 0, complain_overflow_dont, 0,
"-v16", true, 0x0000ffff, 0x0000ffff, false),
HOWTO (R_RELLONG_NEG, 0, -2, 32, false,
- 0, complain_overflow_bitfield, 0,
+ 0, complain_overflow_dont, 0,
"-v32", true, 0xffffffff, 0xffffffff, false),
};
+static int
+get_offset (len, ptr)
+ int len;
+ unsigned char *ptr;
+{
+ int val = 0;
+ if (len)
+ {
+ int i;
+ val = *ptr++;
+ if (val & 0x80)
+ val |= ~0xff;
+ for (i = 1; i < len; i++)
+ val = (val << 8) | *ptr++;
+ }
+
+ return val;
+}
+
static void
process_otr (abfd, otr, pass)
bfd *abfd;
@@ -364,92 +395,88 @@ process_otr (abfd, otr, pass)
| (otr->map[2] << 8)
| (otr->map[3] << 0);
- unsigned char *contents = EDATA (abfd, otr->esdid - 1).contents;
+ struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
+ unsigned char *contents = esdid->contents;
+ int need_contents = 0;
+ int dst_idx = esdid->pc;
- int dst_idx = EDATA (abfd, otr->esdid - 1).pc;
- for (shift = (1 << 31); srcp < endp; shift >>= 1)
+ for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
{
if (bits & shift)
{
int flag = *srcp++;
- int esdids = (flag >> 5) & 3;
+ int esdids = (flag >> 5) & 0x7;
int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
- int offsetlen = flag & 7;
-
+ int offsetlen = flag & 0x7;
int j;
- for (j = 0; j < esdids; j++)
- {
- int esdid = *srcp++;
- /* don't process zero esdids */
- if (esdid)
- {
- int rn = EDATA (abfd, otr->esdid - 1).relocs++;
- if (pass == 1)
- {
- /* this is the first pass over the data,
- just remember that we need a reloc */
- }
- else
- {
- arelent *n =
- EDATA (abfd, otr->esdid - 1).section->relocation + rn;
- n->address = dst_idx;
- n->sym_ptr_ptr = (asymbol **) esdid;
- n->addend = 0;
- n->howto
- = versados_howto_table
- + ((j & 1) * 2)
- + (sizeinwords - 1);
- }
-
- }
+ if (esdids == 0)
+ {
+ /* A zero esdid means the new pc is the offset given */
+ dst_idx += get_offset (offsetlen, srcp);
+ srcp += offsetlen;
}
-
- if (offsetlen)
+ else
{
- /* MSB is sign extended */
- val = srcp[0] | ((srcp[0] & 0x80) ? ~0xff : 0);
- for (j = 1; j < offsetlen; j++)
+ int val = get_offset (offsetlen, srcp + esdids);
+ if (pass == 1)
+ need_contents = 1;
+ else
+ for (j = 0; j < sizeinwords * 2; j++)
+ {
+ contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
+ val >>= 8;
+ }
+
+ for (j = 0; j < esdids; j++)
{
- val = val << 8;
- val |= srcp[j];
+ int esdid = *srcp++;
+
+ if (esdid)
+ {
+ int rn = EDATA (abfd, otr->esdid - 1).relocs++;
+ if (pass == 1)
+ {
+ /* this is the first pass over the data,
+ just remember that we need a reloc */
+ }
+ else
+ {
+ arelent *n =
+ EDATA (abfd, otr->esdid - 1).section->relocation + rn;
+ n->address = dst_idx;
+
+ n->sym_ptr_ptr = (asymbol **) esdid;
+ n->addend = 0;
+ n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
+ }
+ }
}
srcp += offsetlen;
+ dst_idx += sizeinwords * 2;
}
- else
- val = 0;
-
- /* Insert addend into stream */
- if (pass == 2)
- switch (sizeinwords)
- {
- case 2:
- contents[dst_idx++] = val >> 24;
- contents[dst_idx++] = val >> 16;
- /* fall through */
- case 1:
- contents[dst_idx++] = val >> 8;
- contents[dst_idx++] = val >> 0;
- break;
- }
-
}
else
{
- if (pass == 2)
- {
- /* absolute code, comes in 16 bit lumps */
- contents[dst_idx] = srcp[0];
- contents[dst_idx + 1] = srcp[1];
- }
+ need_contents = 1;
+ if (dst_idx < esdid->section->_raw_size)
+ if (pass == 2)
+ {
+ /* absolute code, comes in 16 bit lumps */
+ contents[dst_idx] = srcp[0];
+ contents[dst_idx + 1] = srcp[1];
+ }
dst_idx += 2;
srcp += 2;
}
}
EDATA (abfd, otr->esdid - 1).pc = dst_idx;
+ if (!contents && need_contents)
+ esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
+
+
}
static boolean
@@ -459,6 +486,12 @@ versados_scan (abfd)
int loop = 1;
int i;
int j;
+ int nsecs = 0;
+
+ VDATA (abfd)->nrefs = 0;
+ VDATA (abfd)->ndefs = 0;
+ VDATA (abfd)->ref_idx = 0;
+ VDATA (abfd)->def_idx = 0;
while (loop)
{
@@ -472,7 +505,7 @@ versados_scan (abfd)
case VEND:
loop = 0;
break;
- case VEXTDEF:
+ case VESTDEF:
process_esd (abfd, &any.esd, 1);
break;
case VOTR:
@@ -483,6 +516,13 @@ versados_scan (abfd)
/* Now allocate space for the relocs and sections */
+ VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
+ VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
+ VDATA (abfd)->ref_idx = 0;
+ VDATA (abfd)->def_idx = 0;
+
+ abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
+
for (i = 0; i < 16; i++)
{
struct esdid *esdid = &EDATA (abfd, i);
@@ -491,28 +531,35 @@ versados_scan (abfd)
esdid->section->relocation
= (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
- esdid->contents
- = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
-
esdid->pc = 0;
+
+ if (esdid->contents)
+ esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
+
esdid->section->reloc_count = esdid->relocs;
if (esdid->relocs)
esdid->section->flags |= SEC_RELOC;
+
esdid->relocs = 0;
/* Add an entry into the symbol table for it */
- abfd->symcount++;
+ nsecs++;
VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
}
}
+
+ abfd->symcount += nsecs;
+
VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
- sizeof (asymbol) * abfd->symcount);
+ sizeof (asymbol) * (abfd->symcount));
+
VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
- abfd->symcount = VDATA (abfd)->nsyms;
- /* Actually fill in the section symbols */
- for (j = 0, i = 0; i < 16; i++)
+ /* Actually fill in the section symbols,
+ we stick them at the end of the table */
+
+ for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
{
struct esdid *esdid = &EDATA (abfd, i);
asection *sec = esdid->section;
@@ -527,11 +574,15 @@ versados_scan (abfd)
j++;
}
}
- abfd->symcount += j;
if (abfd->symcount)
abfd->flags |= HAS_SYMS;
- VDATA (abfd)->nsecsyms = j;
- VDATA (abfd)->nsyms = j;
+
+ /* Set this to nsecs - since we've already planted the section
+ symbols */
+ VDATA (abfd)->nsecsyms = nsecs;
+
+ VDATA (abfd)->ref_idx = 0;
+
return 1;
}
@@ -583,6 +634,7 @@ versados_pass_2 (abfd)
VDATA (abfd)->es_done = ES_BASE;
+
/* read records till we get to where we want to be */
while (1)
@@ -593,7 +645,7 @@ versados_pass_2 (abfd)
case VEND:
VDATA (abfd)->pass_2_done = 1;
return 1;
- case VEXTDEF:
+ case VESTDEF:
process_esd (abfd, &any.esd, 2);
break;
case VOTR:
@@ -747,15 +799,24 @@ versados_canonicalize_reloc (abfd, section, relptr, symbols)
for (count = 0; count < section->reloc_count; count++)
{
int esdid = (int) src[count].sym_ptr_ptr;
- if (esdid < ES_BASE) /* Section relative thing */
+
+ if (esdid == 0)
{
- src[count].sym_ptr_ptr
- = EDATA (abfd, esdid - 1).section->symbol_ptr_ptr;
+ src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+ }
+ else if (esdid < ES_BASE) /* Section relative thing */
+ {
+ struct esdid *e = &EDATA (abfd, esdid - 1);
+ if (!section)
+ {
+ /** relocation relative to section which was
+ never declared ! */
+ }
+ src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
}
else
{
- src[count].sym_ptr_ptr
- = symbols + esdid - 17 + VDATA (abfd)->nsecsyms;
+ src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
}
}
@@ -777,6 +838,8 @@ versados_canonicalize_reloc (abfd, section, relptr, symbols)
#define versados_get_lineno _bfd_nosymbols_get_lineno
#define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
#define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define versados_read_minisymbols _bfd_generic_read_minisymbols
+#define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup