/* bfd back-end for HP PA-RISC SOM objects.
- Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
Contributed by the Center for Software Science at the
University of Utah (pa-gdb-bugs@cs.utah.edu).
#include "libbfd.h"
#include "som.h"
-#include "libhppa.h"
#include <stdio.h>
#include <sys/types.h>
/* Max number of SOMs to be found in an archive. */
#define SOM_LST_MODULE_LIMIT 1024
+/* Generic alignment macro. */
+#define SOM_ALIGN(val, alignment) \
+ (((val) + (alignment) - 1) & ~((alignment) - 1))
+
/* SOM allows any one of the four previous relocations to be reused
with a "R_PREV_FIXUP" relocation entry. Since R_PREV_FIXUP
relocations are always a single byte, using a R_PREV_FIXUP instead
static bfd_target * som_object_setup PARAMS ((bfd *,
struct header *,
struct som_exec_auxhdr *));
-static asection * make_unique_section PARAMS ((bfd *, CONST char *, int));
static boolean setup_sections PARAMS ((bfd *, struct header *));
static bfd_target * som_object_p PARAMS ((bfd *));
static boolean som_write_object_contents PARAMS ((bfd *));
static boolean som_slurp_string_table PARAMS ((bfd *));
static unsigned int som_slurp_symbol_table PARAMS ((bfd *));
-static unsigned int som_get_symtab_upper_bound PARAMS ((bfd *));
-static unsigned int som_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
- arelent **, asymbol **));
-static unsigned int som_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
+static long som_get_symtab_upper_bound PARAMS ((bfd *));
+static long som_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
+ arelent **, asymbol **));
+static long som_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
static unsigned int som_set_reloc_info PARAMS ((unsigned char *, unsigned int,
arelent *, asection *,
asymbol **, boolean));
static boolean som_slurp_reloc_table PARAMS ((bfd *, asection *,
asymbol **, boolean));
-static unsigned int som_get_symtab PARAMS ((bfd *, asymbol **));
+static long som_get_symtab PARAMS ((bfd *, asymbol **));
static asymbol * som_make_empty_symbol PARAMS ((bfd *));
static void som_print_symbol PARAMS ((bfd *, PTR,
asymbol *, bfd_print_symbol_type));
static boolean som_new_section_hook PARAMS ((bfd *, asection *));
+static boolean som_bfd_copy_private_section_data PARAMS ((bfd *, asection *,
+ bfd *, asection *));
+static boolean som_bfd_copy_private_bfd_data PARAMS ((bfd *, bfd *));
+static boolean som_bfd_is_local_label PARAMS ((bfd *, asymbol *));
static boolean som_set_section_contents PARAMS ((bfd *, sec_ptr, PTR,
file_ptr, bfd_size_type));
+static boolean som_get_section_contents PARAMS ((bfd *, sec_ptr, PTR,
+ file_ptr, bfd_size_type));
static boolean som_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
unsigned long));
static boolean som_find_nearest_line PARAMS ((bfd *, asection *,
CONST char **,
unsigned int *));
static void som_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *));
-static asection * som_section_from_subspace_index PARAMS ((bfd *,
- unsigned int));
+static asection * bfd_section_from_som_symbol PARAMS ((bfd *,
+ struct symbol_dictionary_record *));
static int log2 PARAMS ((unsigned int));
static bfd_reloc_status_type hppa_som_reloc PARAMS ((bfd *, arelent *,
asymbol *, PTR,
carsym **syms));
static boolean som_slurp_armap PARAMS ((bfd *));
static boolean som_write_armap PARAMS ((bfd *));
-static boolean som_slurp_extended_name_table PARAMS ((bfd *));
static void som_bfd_derive_misc_symbol_info PARAMS ((bfd *, asymbol *,
struct som_misc_symbol_info *));
static boolean som_bfd_prep_for_ar_write PARAMS ((bfd *, unsigned int *,
static boolean som_bfd_ar_write_symbol_stuff PARAMS ((bfd *, unsigned int,
unsigned int,
struct lst_header));
+static CONST char *normalize PARAMS ((CONST char *file));
+static boolean som_is_space PARAMS ((asection *));
+static boolean som_is_subspace PARAMS ((asection *));
+static boolean som_is_container PARAMS ((asection *, asection *));
+static boolean som_bfd_free_cached_info PARAMS ((bfd *));
/* Map SOM section names to POSIX/BSD single-character symbol types.
{R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
{R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}};
-
/* Initialize the SOM relocation queue. By definition the queue holds
the last four multibyte fixups. */
/* Return the logarithm of X, base 2, considering X unsigned.
- Abort if X is not a power of two -- this should never happen (FIXME:
- It will happen on corrupt executables. GDB should give an error, not
- a coredump, in that case). */
+ Abort -1 if X is not a power or two or is zero. */
static int
log2 (x)
/* Test for 0 or a power of 2. */
if (x == 0 || x != (x & -x))
- abort();
+ return -1;
while ((x >>= 1) != 0)
log++;
}
/* Given a generic HPPA relocation type, the instruction format,
- and a field selector, return an appropriate SOM reloation.
-
- FIXME. Need to handle %RR, %LR and the like as field selectors.
- These will need to generate multiple SOM relocations. */
+ and a field selector, return one or more appropriate SOM relocations. */
int **
hppa_som_gen_reloc_type (abfd, base_type, format, field)
bfd *abfd;
int base_type;
int format;
- enum hppa_reloc_field_selector_type field;
+ enum hppa_reloc_field_selector_type_alt field;
{
int *final_type, **final_types;
final_type = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
if (!final_types || !final_type)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
final_types[0] = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
if (!final_types[0])
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
if (field == e_tsel)
final_types[0] = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
if (!final_types[0])
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
*final_types[0] = R_S_MODE;
final_types[0] = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
if (!final_types[0])
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
*final_types[0] = R_N_MODE;
final_types[0] = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
if (!final_types[0])
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
*final_types[0] = R_D_MODE;
final_types[0] = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
if (!final_types[0])
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
*final_types[0] = R_R_MODE;
/* Set BFD flags based on what information is available in the SOM. */
abfd->flags = NO_FLAGS;
- if (! file_hdrp->entry_offset)
- abfd->flags |= HAS_RELOC;
- else
- abfd->flags |= EXEC_P;
if (file_hdrp->symbol_total)
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
+ switch (file_hdrp->a_magic)
+ {
+ case DEMAND_MAGIC:
+ abfd->flags |= (D_PAGED | WP_TEXT | EXEC_P);
+ break;
+ case SHARE_MAGIC:
+ abfd->flags |= (WP_TEXT | EXEC_P);
+ break;
+ case EXEC_MAGIC:
+ abfd->flags |= (EXEC_P);
+ break;
+ case RELOC_MAGIC:
+ abfd->flags |= HAS_RELOC;
+ break;
+#ifdef SHL_MAGIC
+ case SHL_MAGIC:
+#endif
+#ifdef DL_MAGIC
+ case DL_MAGIC:
+#endif
+ abfd->flags |= DYNAMIC;
+ break;
+
+ default:
+ break;
+ }
+
bfd_get_start_address (abfd) = aux_hdrp->exec_entry;
bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 0);
bfd_get_symcount (abfd) = file_hdrp->symbol_total;
obj_som_str_filepos (abfd) = file_hdrp->symbol_strings_location;
obj_som_reloc_filepos (abfd) = file_hdrp->fixup_request_location;
- return abfd->xvec;
-}
-
-/* Create a new BFD section for NAME. If NAME already exists, then create a
- new unique name, with NAME as the prefix. This exists because SOM .o files
- may have more than one $CODE$ subspace. */
-
-static asection *
-make_unique_section (abfd, name, num)
- bfd *abfd;
- CONST char *name;
- int num;
-{
- asection *sect;
- char *newname;
- char altname[100];
-
- sect = bfd_make_section (abfd, name);
- while (!sect)
- {
- sprintf (altname, "%s-%d", name, num++);
- sect = bfd_make_section (abfd, altname);
- }
-
- newname = bfd_alloc (abfd, strlen (sect->name) + 1);
- if (!newname)
+ obj_som_exec_data (abfd) = (struct som_exec_data *)
+ bfd_zalloc (abfd, sizeof (struct som_exec_data ));
+ if (obj_som_exec_data (abfd) == NULL)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return NULL;
}
- strcpy (newname, sect->name);
- sect->name = newname;
- return sect;
+ obj_som_exec_data (abfd)->system_id = file_hdrp->system_id;
+ obj_som_exec_data (abfd)->exec_flags = aux_hdrp->exec_flags;
+ return abfd->xvec;
}
/* Convert all of the space and subspace info into BFD sections. Each space
/* First, read in space names */
- space_strings = alloca (file_hdr->space_strings_size);
- if (!space_strings)
- return false;
+ space_strings = malloc (file_hdr->space_strings_size);
+ if (!space_strings && file_hdr->space_strings_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
if (bfd_seek (abfd, file_hdr->space_strings_location, SEEK_SET) < 0)
- return false;
+ goto error_return;
if (bfd_read (space_strings, 1, file_hdr->space_strings_size, abfd)
!= file_hdr->space_strings_size)
- return false;
+ goto error_return;
/* Loop over all of the space dictionaries, building up sections */
for (space_index = 0; space_index < file_hdr->space_total; space_index++)
struct subspace_dictionary_record subspace, save_subspace;
int subspace_index;
asection *space_asect;
+ char *newname;
/* Read the space dictionary element */
if (bfd_seek (abfd, file_hdr->space_location
+ space_index * sizeof space, SEEK_SET) < 0)
- return false;
+ goto error_return;
if (bfd_read (&space, 1, sizeof space, abfd) != sizeof space)
- return false;
+ goto error_return;
/* Setup the space name string */
space.name.n_name = space.name.n_strx + space_strings;
/* Make a section out of it */
- space_asect = make_unique_section (abfd, space.name.n_name, space_index);
+ newname = bfd_alloc (abfd, strlen (space.name.n_name) + 1);
+ if (!newname)
+ goto error_return;
+ strcpy (newname, space.name.n_name);
+
+ space_asect = bfd_make_section_anyway (abfd, newname);
if (!space_asect)
- return false;
+ goto error_return;
+
+ if (space.is_loadable == 0)
+ space_asect->flags |= SEC_DEBUGGING;
+
+ /* Set up all the attributes for the space. */
+ if (bfd_som_set_section_attributes (space_asect, space.is_defined,
+ space.is_private, space.sort_key,
+ space.space_number) == false)
+ goto error_return;
/* Now, read in the first subspace for this space */
if (bfd_seek (abfd, file_hdr->subspace_location
+ space.subspace_index * sizeof subspace,
SEEK_SET) < 0)
- return false;
+ goto error_return;
if (bfd_read (&subspace, 1, sizeof subspace, abfd) != sizeof subspace)
- return false;
+ goto error_return;
/* Seek back to the start of the subspaces for loop below */
if (bfd_seek (abfd, file_hdr->subspace_location
+ space.subspace_index * sizeof subspace,
SEEK_SET) < 0)
- return false;
+ goto error_return;
/* Setup the start address and file loc from the first subspace record */
space_asect->vma = subspace.subspace_start;
space_asect->filepos = subspace.file_loc_init_value;
space_asect->alignment_power = log2 (subspace.alignment);
+ if (space_asect->alignment_power == -1)
+ goto error_return;
/* Initialize save_subspace so we can reliably determine if this
loop placed any useful values into it. */
/* Read in the next subspace */
if (bfd_read (&subspace, 1, sizeof subspace, abfd)
!= sizeof subspace)
- return false;
+ goto error_return;
/* Setup the subspace name string */
subspace.name.n_name = subspace.name.n_strx + space_strings;
- /* Make a section out of this subspace */
- subspace_asect = make_unique_section (abfd, subspace.name.n_name,
- space.subspace_index + subspace_index);
+ newname = bfd_alloc (abfd, strlen (subspace.name.n_name) + 1);
+ if (!newname)
+ goto error_return;
+ strcpy (newname, subspace.name.n_name);
+ /* Make a section out of this subspace */
+ subspace_asect = bfd_make_section_anyway (abfd, newname);
if (!subspace_asect)
- return false;
+ goto error_return;
+
+ /* Store private information about the section. */
+ if (bfd_som_set_subsection_attributes (subspace_asect, space_asect,
+ subspace.access_control_bits,
+ subspace.sort_key,
+ subspace.quadrant) == false)
+ goto error_return;
/* Keep an easy mapping between subspaces and sections. */
- som_section_data (subspace_asect)->subspace_index
- = total_subspaces++;
+ subspace_asect->target_index = total_subspaces++;
/* Set SEC_READONLY and SEC_CODE/SEC_DATA as specified
by the access_control_bits in the subspace header. */
subspace_asect->flags |= SEC_IS_COMMON;
else if (subspace.subspace_length > 0)
subspace_asect->flags |= SEC_HAS_CONTENTS;
+
if (subspace.is_loadable)
subspace_asect->flags |= SEC_ALLOC | SEC_LOAD;
+ else
+ subspace_asect->flags |= SEC_DEBUGGING;
+
if (subspace.code_only)
subspace_asect->flags |= SEC_CODE;
subspace_asect->vma = subspace.subspace_start;
subspace_asect->_cooked_size = subspace.subspace_length;
subspace_asect->_raw_size = subspace.subspace_length;
- subspace_asect->alignment_power = log2 (subspace.alignment);
subspace_asect->filepos = subspace.file_loc_init_value;
+ subspace_asect->alignment_power = log2 (subspace.alignment);
+ if (subspace_asect->alignment_power == -1)
+ goto error_return;
}
/* Yow! there is no subspace within the space which actually
has initialized information in it; this should never happen
as far as I know. */
if (!save_subspace.file_loc_init_value)
- abort ();
+ goto error_return;
/* Setup the sizes for the space section based upon the info in the
last subspace of the space. */
space_asect->_raw_size = save_subspace.file_loc_init_value
- space_asect->filepos + save_subspace.initialization_length;
}
+ if (space_strings != NULL)
+ free (space_strings);
return true;
+
+ error_return:
+ if (space_strings != NULL)
+ free (space_strings);
+ return false;
}
/* Read in a SOM object and make it into a BFD. */
if (bfd_read ((PTR) & file_hdr, 1, FILE_HDR_SIZE, abfd) != FILE_HDR_SIZE)
{
- bfd_error = system_call_error;
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
if (!_PA_RISC_ID (file_hdr.system_id))
{
- bfd_error = wrong_format;
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
#endif
break;
default:
- bfd_error = wrong_format;
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
if (file_hdr.version_id != VERSION_ID
&& file_hdr.version_id != NEW_VERSION_ID)
{
- bfd_error = wrong_format;
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
{
if (bfd_read ((PTR) & aux_hdr, 1, AUX_HDR_SIZE, abfd) != AUX_HDR_SIZE)
{
- bfd_error = wrong_format;
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
}
if (!setup_sections (abfd, &file_hdr))
{
/* setup_sections does not bubble up a bfd error code. */
- bfd_error = bad_value;
+ bfd_set_error (bfd_error_bad_value);
return 0;
}
bfd_zalloc (abfd, sizeof (struct som_data_struct));
if (abfd->tdata.som_data == NULL)
{
- bfd_error = no_memory;
- return false;
- }
- obj_som_file_hdr (abfd)
- = (struct header *) bfd_zalloc (abfd, sizeof (struct header));
- if (obj_som_file_hdr (abfd) == NULL)
-
- {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
return true;
som_prep_headers (abfd)
bfd *abfd;
{
- struct header *file_hdr = obj_som_file_hdr (abfd);
+ struct header *file_hdr;
asection *section;
+ /* Make and attach a file header to the BFD. */
+ file_hdr = (struct header *) bfd_zalloc (abfd, sizeof (struct header));
+ if (file_hdr == NULL)
+
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+ obj_som_file_hdr (abfd) = file_hdr;
+
/* FIXME. This should really be conditional based on whether or not
PA1.1 instructions/registers have been used. */
- file_hdr->system_id = HP9000S800_ID;
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ file_hdr->system_id = obj_som_exec_data (abfd)->system_id;
+ else
+ file_hdr->system_id = CPU_PA_RISC1_0;
- /* FIXME. Only correct for building relocatable objects. */
- if (abfd->flags & EXEC_P)
- abort ();
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ {
+ if (abfd->flags & D_PAGED)
+ file_hdr->a_magic = DEMAND_MAGIC;
+ else if (abfd->flags & WP_TEXT)
+ file_hdr->a_magic = SHARE_MAGIC;
+#ifdef SHL_MAGIC
+ else if (abfd->flags & DYNAMIC)
+ file_hdr->a_magic = SHL_MAGIC;
+#endif
+ else
+ file_hdr->a_magic = EXEC_MAGIC;
+ }
else
file_hdr->a_magic = RELOC_MAGIC;
file_hdr->file_time.secs = 0;
file_hdr->file_time.nanosecs = 0;
- if (abfd->flags & EXEC_P)
- abort ();
- else
- {
- file_hdr->entry_space = 0;
- file_hdr->entry_subspace = 0;
- file_hdr->entry_offset = 0;
- }
-
- /* FIXME. I do not know if we ever need to put anything other
- than zero in this field. */
+ file_hdr->entry_space = 0;
+ file_hdr->entry_subspace = 0;
+ file_hdr->entry_offset = 0;
file_hdr->presumed_dp = 0;
/* Now iterate over the sections translating information from
{
/* Ignore anything which has not been marked as a space or
subspace. */
- if (som_section_data (section)->is_space == 0
-
- && som_section_data (section)->is_subspace == 0)
+ if (!som_is_space (section) && !som_is_subspace (section))
continue;
-
- if (som_section_data (section)->is_space)
+
+ if (som_is_space (section))
{
+ /* Allocate space for the space dictionary. */
+ som_section_data (section)->space_dict
+ = (struct space_dictionary_record *)
+ bfd_zalloc (abfd, sizeof (struct space_dictionary_record));
+ if (som_section_data (section)->space_dict == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
/* Set space attributes. Note most attributes of SOM spaces
are set based on the subspaces it contains. */
- som_section_data (section)->space_dict.loader_fix_index = -1;
- som_section_data (section)->space_dict.init_pointer_index = -1;
+ som_section_data (section)->space_dict->loader_fix_index = -1;
+ som_section_data (section)->space_dict->init_pointer_index = -1;
+
+ /* Set more attributes that were stuffed away in private data. */
+ som_section_data (section)->space_dict->sort_key =
+ som_section_data (section)->copy_data->sort_key;
+ som_section_data (section)->space_dict->is_defined =
+ som_section_data (section)->copy_data->is_defined;
+ som_section_data (section)->space_dict->is_private =
+ som_section_data (section)->copy_data->is_private;
+ som_section_data (section)->space_dict->space_number =
+ section->target_index;
}
else
{
+ /* Allocate space for the subspace dictionary. */
+ som_section_data (section)->subspace_dict
+ = (struct subspace_dictionary_record *)
+ bfd_zalloc (abfd, sizeof (struct subspace_dictionary_record));
+ if (som_section_data (section)->subspace_dict == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+
/* Set subspace attributes. Basic stuff is done here, additional
attributes are filled in later as more information becomes
available. */
if (section->flags & SEC_IS_COMMON)
{
- som_section_data (section)->subspace_dict.dup_common = 1;
- som_section_data (section)->subspace_dict.is_common = 1;
+ som_section_data (section)->subspace_dict->dup_common = 1;
+ som_section_data (section)->subspace_dict->is_common = 1;
}
if (section->flags & SEC_ALLOC)
- som_section_data (section)->subspace_dict.is_loadable = 1;
+ som_section_data (section)->subspace_dict->is_loadable = 1;
if (section->flags & SEC_CODE)
- som_section_data (section)->subspace_dict.code_only = 1;
+ som_section_data (section)->subspace_dict->code_only = 1;
- som_section_data (section)->subspace_dict.subspace_start =
+ som_section_data (section)->subspace_dict->subspace_start =
section->vma;
- som_section_data (section)->subspace_dict.subspace_length =
+ som_section_data (section)->subspace_dict->subspace_length =
bfd_section_size (abfd, section);
- som_section_data (section)->subspace_dict.initialization_length =
+ som_section_data (section)->subspace_dict->initialization_length =
bfd_section_size (abfd, section);
- som_section_data (section)->subspace_dict.alignment =
+ som_section_data (section)->subspace_dict->alignment =
1 << section->alignment_power;
+
+ /* Set more attributes that were stuffed away in private data. */
+ som_section_data (section)->subspace_dict->sort_key =
+ som_section_data (section)->copy_data->sort_key;
+ som_section_data (section)->subspace_dict->access_control_bits =
+ som_section_data (section)->copy_data->access_control_bits;
+ som_section_data (section)->subspace_dict->quadrant =
+ som_section_data (section)->copy_data->quadrant;
}
}
return true;
}
+/* Return true if the given section is a SOM space, false otherwise. */
+
+static boolean
+som_is_space (section)
+ asection *section;
+{
+ /* If no copy data is available, then it's neither a space nor a
+ subspace. */
+ if (som_section_data (section)->copy_data == NULL)
+ return false;
+
+ /* If the containing space isn't the same as the given section,
+ then this isn't a space. */
+ if (som_section_data (section)->copy_data->container != section)
+ return false;
+
+ /* OK. Must be a space. */
+ return true;
+}
+
+/* Return true if the given section is a SOM subspace, false otherwise. */
+
+static boolean
+som_is_subspace (section)
+ asection *section;
+{
+ /* If no copy data is available, then it's neither a space nor a
+ subspace. */
+ if (som_section_data (section)->copy_data == NULL)
+ return false;
+
+ /* If the containing space is the same as the given section,
+ then this isn't a subspace. */
+ if (som_section_data (section)->copy_data->container == section)
+ return false;
+
+ /* OK. Must be a subspace. */
+ return true;
+}
+
+/* Return true if the given space containins the given subspace. It
+ is safe to assume space really is a space, and subspace really
+ is a subspace. */
+
+static boolean
+som_is_container (space, subspace)
+ asection *space, *subspace;
+{
+ return som_section_data (subspace)->copy_data->container == space;
+}
+
/* Count and return the number of spaces attached to the given BFD. */
static unsigned long
asection *section;
for (section = abfd->sections; section != NULL; section = section->next)
- count += som_section_data (section)->is_space;
+ count += som_is_space (section);
return count;
}
asection *section;
for (section = abfd->sections; section != NULL; section = section->next)
- count += som_section_data (section)->is_subspace;
+ count += som_is_subspace (section);
return count;
}
{
/* Handle a section symbol; these have no pointers back to the
SOM symbol info. So we just use the pointer field (udata)
- to hold the relocation count.
-
- FIXME. While we're here set the name of any section symbol
- to something which will not screw GDB. How do other formats
- deal with this?!? */
- if (som_symbol_data (syms[i]) == NULL)
+ to hold the relocation count. */
+ if (som_symbol_data (syms[i]) == NULL
+ || syms[i]->flags & BSF_SECTION_SYM)
{
syms[i]->flags |= BSF_SECTION_SYM;
- syms[i]->name = "L$0\002";
syms[i]->udata = (PTR) 0;
}
else
arelent *reloc = section->orelocation[i];
int scale;
- /* If no symbol, then there is no counter to increase. */
- if (reloc->sym_ptr_ptr == NULL)
+ /* A relocation against a symbol in the *ABS* section really
+ does not have a symbol. Likewise if the symbol isn't associated
+ with any section. */
+ if (reloc->sym_ptr_ptr == NULL
+ || (*reloc->sym_ptr_ptr)->section == &bfd_abs_section)
continue;
/* Scaling to encourage symbols involved in R_DP_RELATIVE
unsigned int *total_reloc_sizep;
{
unsigned int i, j;
- unsigned char *tmp_space, *p;
+ /* Chunk of memory that we can use as buffer space, then throw
+ away. */
+ unsigned char tmp_space[SOM_TMP_BUFSIZE];
+ unsigned char *p;
unsigned int total_reloc_size = 0;
unsigned int subspace_reloc_size = 0;
unsigned int num_spaces = obj_som_file_hdr (abfd)->space_total;
asection *section = abfd->sections;
- /* Get a chunk of memory that we can use as buffer space, then throw
- away. */
- tmp_space = alloca (SOM_TMP_BUFSIZE);
memset (tmp_space, 0, SOM_TMP_BUFSIZE);
p = tmp_space;
asection *subsection;
/* Find a space. */
- while (som_section_data (section)->is_space == 0)
+ while (!som_is_space (section))
section = section->next;
/* Now iterate through each of its subspaces. */
int reloc_offset, current_rounding_mode;
/* Find a subspace of this space. */
- if (som_section_data (subsection)->is_subspace == 0
- || som_section_data (subsection)->containing_space != section)
+ if (!som_is_subspace (subsection)
+ || !som_is_container (section, subsection))
continue;
- /* If this subspace had no relocations, then we're finished
- with it. */
- if (subsection->reloc_count <= 0)
+ /* If this subspace does not have real data, then we are
+ finised with it. */
+ if ((subsection->flags & (SEC_LOAD | SEC_DEBUGGING)) == 0)
{
- som_section_data (subsection)->subspace_dict.fixup_request_index
+ som_section_data (subsection)->subspace_dict->fixup_request_index
= -1;
continue;
}
/* This subspace has some relocations. Put the relocation stream
index into the subspace record. */
- som_section_data (subsection)->subspace_dict.fixup_request_index
+ som_section_data (subsection)->subspace_dict->fixup_request_index
= total_reloc_size;
/* To make life easier start over with a clean slate for
each subspace. Seek to the start of the relocation stream
for this subspace in preparation for writing out its fixup
stream. */
- if (bfd_seek (abfd, current_offset + total_reloc_size, SEEK_SET) != 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ if (bfd_seek (abfd, current_offset + total_reloc_size, SEEK_SET) < 0)
+ return false;
/* Buffer space has already been allocated. Just perform some
initialization here. */
then dump the current buffer contents now. Also reinitialize
the relocation queue.
- FIXME. We assume here that no BFD relocation will expand
- to more than 100 bytes of SOM relocations. This should (?!?)
- be quite safe. */
+ No single BFD relocation could ever translate into more
+ than 100 bytes of SOM relocations (20bytes is probably the
+ upper limit, but leave lots of space for growth). */
if (p - tmp_space + 100 > SOM_TMP_BUFSIZE)
{
if (bfd_write ((PTR) tmp_space, p - tmp_space, 1, abfd)
!= p - tmp_space)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
+
p = tmp_space;
som_initialize_reloc_queue (reloc_queue);
}
/* Scribble out the relocations. */
if (bfd_write ((PTR) tmp_space, p - tmp_space, 1, abfd)
!= p - tmp_space)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
p = tmp_space;
total_reloc_size += subspace_reloc_size;
- som_section_data (subsection)->subspace_dict.fixup_request_quantity
+ som_section_data (subsection)->subspace_dict->fixup_request_quantity
= subspace_reloc_size;
}
section = section->next;
unsigned long current_offset;
unsigned int *string_sizep;
{
- unsigned char *tmp_space, *p;
+ /* Chunk of memory that we can use as buffer space, then throw
+ away. */
+ unsigned char tmp_space[SOM_TMP_BUFSIZE];
+ unsigned char *p;
unsigned int strings_size = 0;
asection *section;
- /* Get a chunk of memory that we can use as buffer space, then throw
- away. */
- tmp_space = alloca (SOM_TMP_BUFSIZE);
memset (tmp_space, 0, SOM_TMP_BUFSIZE);
p = tmp_space;
/* Seek to the start of the space strings in preparation for writing
them out. */
- if (bfd_seek (abfd, current_offset, SEEK_SET) != 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ if (bfd_seek (abfd, current_offset, SEEK_SET) < 0)
+ return false;
/* Walk through all the spaces and subspaces (order is not important)
building up and writing string table entries for their names. */
/* Only work with space/subspaces; avoid any other sections
which might have been made (.text for example). */
- if (som_section_data (section)->is_space == 0
- && som_section_data (section)->is_subspace == 0)
+ if (!som_is_space (section) && !som_is_subspace (section))
continue;
/* Get the length of the space/subspace name. */
hold the string length + the string itself + null terminator. */
if (p - tmp_space + 5 + length > SOM_TMP_BUFSIZE)
{
- if (bfd_write ((PTR) tmp_space, p - tmp_space, 1, abfd)
+ if (bfd_write ((PTR) &tmp_space[0], p - tmp_space, 1, abfd)
!= p - tmp_space)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Reset to beginning of the buffer space. */
p = tmp_space;
}
strings_size += 4;
/* Record the index in the space/subspace records. */
- if (som_section_data (section)->is_space)
- som_section_data (section)->space_dict.name.n_strx = strings_size;
+ if (som_is_space (section))
+ som_section_data (section)->space_dict->name.n_strx = strings_size;
else
- som_section_data (section)->subspace_dict.name.n_strx = strings_size;
+ som_section_data (section)->subspace_dict->name.n_strx = strings_size;
/* Next comes the string itself + a null terminator. */
strcpy (p, section->name);
/* Done with the space/subspace strings. Write out any information
contained in a partial block. */
- if (bfd_write ((PTR) tmp_space, p - tmp_space, 1, abfd) != p - tmp_space)
- {
- bfd_error = system_call_error;
- return false;
- }
+ if (bfd_write ((PTR) &tmp_space[0], p - tmp_space, 1, abfd) != p - tmp_space)
+ return false;
*string_sizep = strings_size;
return true;
}
unsigned int *string_sizep;
{
unsigned int i;
- unsigned char *tmp_space, *p;
+
+ /* Chunk of memory that we can use as buffer space, then throw
+ away. */
+ unsigned char tmp_space[SOM_TMP_BUFSIZE];
+ unsigned char *p;
unsigned int strings_size = 0;
- /* Get a chunk of memory that we can use as buffer space, then throw
- away. */
- tmp_space = alloca (SOM_TMP_BUFSIZE);
memset (tmp_space, 0, SOM_TMP_BUFSIZE);
p = tmp_space;
/* Seek to the start of the space strings in preparation for writing
them out. */
- if (bfd_seek (abfd, current_offset, SEEK_SET) != 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ if (bfd_seek (abfd, current_offset, SEEK_SET) < 0)
+ return false;
for (i = 0; i < num_syms; i++)
{
current buffer contents now. */
if (p - tmp_space + 5 + length > SOM_TMP_BUFSIZE)
{
- if (bfd_write ((PTR) tmp_space, p - tmp_space, 1, abfd)
+ if (bfd_write ((PTR) &tmp_space[0], p - tmp_space, 1, abfd)
!= p - tmp_space)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Reset to beginning of the buffer space. */
p = tmp_space;
}
}
/* Scribble out any partial block. */
- if (bfd_write ((PTR) tmp_space, p - tmp_space, 1, abfd) != p - tmp_space)
- {
- bfd_error = system_call_error;
- return false;
- }
+ if (bfd_write ((PTR) &tmp_space[0], p - tmp_space, 1, abfd) != p - tmp_space)
+ return false;
*string_sizep = strings_size;
return true;
asection *section;
asymbol **syms = bfd_get_outsymbols (abfd);
unsigned int total_subspaces = 0;
+ struct som_exec_auxhdr exec_header;
/* The file header will always be first in an object file,
everything else can be in random locations. To keep things
we support only the copyright and version headers. */
obj_som_file_hdr (abfd)->aux_header_location = current_offset;
obj_som_file_hdr (abfd)->aux_header_size = 0;
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ {
+ /* Parts of the exec header will be filled in later, so
+ delay writing the header itself. Fill in the defaults,
+ and write it later. */
+ current_offset += sizeof (exec_header);
+ obj_som_file_hdr (abfd)->aux_header_size += sizeof (exec_header);
+ memset (&exec_header, 0, sizeof (exec_header));
+ exec_header.som_auxhdr.type = HPUX_AUX_ID;
+ exec_header.som_auxhdr.length = 40;
+ }
if (obj_som_version_hdr (abfd) != NULL)
{
unsigned int len;
- bfd_seek (abfd, current_offset, SEEK_SET);
+ if (bfd_seek (abfd, current_offset, SEEK_SET) < 0)
+ return false;
/* Write the aux_id structure and the string length. */
len = sizeof (struct aux_id) + sizeof (unsigned int);
obj_som_file_hdr (abfd)->aux_header_size += len;
current_offset += len;
if (bfd_write ((PTR) obj_som_version_hdr (abfd), len, 1, abfd) != len)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Write the version string. */
len = obj_som_version_hdr (abfd)->header_id.length - sizeof (int);
current_offset += len;
if (bfd_write ((PTR) obj_som_version_hdr (abfd)->user_string,
len, 1, abfd) != len)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
}
if (obj_som_copyright_hdr (abfd) != NULL)
{
unsigned int len;
- bfd_seek (abfd, current_offset, SEEK_SET);
+ if (bfd_seek (abfd, current_offset, SEEK_SET) < 0)
+ return false;
/* Write the aux_id structure and the string length. */
len = sizeof (struct aux_id) + sizeof (unsigned int);
obj_som_file_hdr (abfd)->aux_header_size += len;
current_offset += len;
if (bfd_write ((PTR) obj_som_copyright_hdr (abfd), len, 1, abfd) != len)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Write the copyright string. */
len = obj_som_copyright_hdr (abfd)->header_id.length - sizeof (int);
current_offset += len;
if (bfd_write ((PTR) obj_som_copyright_hdr (abfd)->copyright,
len, 1, abfd) != len)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
}
/* Next comes the initialization pointers; we have no initialization
obj_som_file_hdr (abfd)->compiler_location = current_offset;
obj_som_file_hdr (abfd)->compiler_total = 0;
- /* Now compute the file positions for the loadable subspaces. */
+ /* Now compute the file positions for the loadable subspaces, taking
+ care to make sure everything stays properly aligned. */
section = abfd->sections;
for (i = 0; i < num_spaces; i++)
{
asection *subsection;
+ int first_subspace;
+ unsigned int subspace_offset = 0;
/* Find a space. */
- while (som_section_data (section)->is_space == 0)
+ while (!som_is_space (section))
section = section->next;
+ first_subspace = 1;
/* Now look for all its subspaces. */
for (subsection = abfd->sections;
subsection != NULL;
subsection = subsection->next)
{
-
- if (som_section_data (subsection)->is_subspace == 0
- || som_section_data (subsection)->containing_space != section
+
+ if (!som_is_subspace (subsection)
+ || !som_is_container (section, subsection)
|| (subsection->flags & SEC_ALLOC) == 0)
continue;
- som_section_data (subsection)->subspace_index = total_subspaces++;
+ /* If this is the first subspace in the space, and we are
+ building an executable, then take care to make sure all
+ the alignments are correct and update the exec header. */
+ if (first_subspace
+ && (abfd->flags & (EXEC_P | DYNAMIC)))
+ {
+ /* Demand paged executables have each space aligned to a
+ page boundary. Sharable executables (write-protected
+ text) have just the private (aka data & bss) space aligned
+ to a page boundary. Ugh. Not true for HPUX.
+
+ The HPUX kernel requires the text to always be page aligned
+ within the file regardless of the executable's type. */
+ if (abfd->flags & (D_PAGED | DYNAMIC)
+ || (subsection->flags & SEC_CODE)
+ || ((abfd->flags & WP_TEXT)
+ && (subsection->flags & SEC_DATA)))
+ current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
+
+ /* Update the exec header. */
+ if (subsection->flags & SEC_CODE && exec_header.exec_tfile == 0)
+ {
+ exec_header.exec_tmem = section->vma;
+ exec_header.exec_tfile = current_offset;
+ }
+ if (subsection->flags & SEC_DATA && exec_header.exec_dfile == 0)
+ {
+ exec_header.exec_dmem = section->vma;
+ exec_header.exec_dfile = current_offset;
+ }
+
+ /* Keep track of exactly where we are within a particular
+ space. This is necessary as the braindamaged HPUX
+ loader will create holes between subspaces *and*
+ subspace alignments are *NOT* preserved. What a crock. */
+ subspace_offset = subsection->vma;
+
+ /* Only do this for the first subspace within each space. */
+ first_subspace = 0;
+ }
+ else if (abfd->flags & (EXEC_P | DYNAMIC))
+ {
+ /* The braindamaged HPUX loader may have created a hole
+ between two subspaces. It is *not* sufficient to use
+ the alignment specifications within the subspaces to
+ account for these holes -- I've run into at least one
+ case where the loader left one code subspace unaligned
+ in a final executable.
+
+ To combat this we keep a current offset within each space,
+ and use the subspace vma fields to detect and preserve
+ holes. What a crock!
+
+ ps. This is not necessary for unloadable space/subspaces. */
+ current_offset += subsection->vma - subspace_offset;
+ if (subsection->flags & SEC_CODE)
+ exec_header.exec_tsize += subsection->vma - subspace_offset;
+ else
+ exec_header.exec_dsize += subsection->vma - subspace_offset;
+ subspace_offset += subsection->vma - subspace_offset;
+ }
+
+
+ subsection->target_index = total_subspaces++;
/* This is real data to be loaded from the file. */
if (subsection->flags & SEC_LOAD)
{
- som_section_data (subsection)->subspace_dict.file_loc_init_value
+ /* Update the size of the code & data. */
+ if (abfd->flags & (EXEC_P | DYNAMIC)
+ && subsection->flags & SEC_CODE)
+ exec_header.exec_tsize += subsection->_cooked_size;
+ else if (abfd->flags & (EXEC_P | DYNAMIC)
+ && subsection->flags & SEC_DATA)
+ exec_header.exec_dsize += subsection->_cooked_size;
+ som_section_data (subsection)->subspace_dict->file_loc_init_value
= current_offset;
- section->filepos = current_offset;
+ subsection->filepos = current_offset;
current_offset += bfd_section_size (abfd, subsection);
+ subspace_offset += bfd_section_size (abfd, subsection);
}
/* Looks like uninitialized data. */
else
{
- som_section_data (subsection)->subspace_dict.file_loc_init_value
+ /* Update the size of the bss section. */
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ exec_header.exec_bsize += subsection->_cooked_size;
+
+ som_section_data (subsection)->subspace_dict->file_loc_init_value
= 0;
- som_section_data (subsection)->subspace_dict.
+ som_section_data (subsection)->subspace_dict->
initialization_length = 0;
}
}
section = section->next;
}
- /* Finally compute the file positions for unloadable subspaces. */
+ /* Finally compute the file positions for unloadable subspaces.
+ If building an executable, start the unloadable stuff on its
+ own page. */
+
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
obj_som_file_hdr (abfd)->unloadable_sp_location = current_offset;
section = abfd->sections;
asection *subsection;
/* Find a space. */
- while (som_section_data (section)->is_space == 0)
+ while (!som_is_space (section))
section = section->next;
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
+
/* Now look for all its subspaces. */
for (subsection = abfd->sections;
subsection != NULL;
subsection = subsection->next)
{
- if (som_section_data (subsection)->is_subspace == 0
- || som_section_data (subsection)->containing_space != section
+ if (!som_is_subspace (subsection)
+ || !som_is_container (section, subsection)
|| (subsection->flags & SEC_ALLOC) != 0)
continue;
- som_section_data (subsection)->subspace_index = total_subspaces++;
+ subsection->target_index = total_subspaces;
/* This is real data to be loaded from the file. */
if ((subsection->flags & SEC_LOAD) == 0)
{
- som_section_data (subsection)->subspace_dict.file_loc_init_value
+ som_section_data (subsection)->subspace_dict->file_loc_init_value
= current_offset;
- section->filepos = current_offset;
+ subsection->filepos = current_offset;
current_offset += bfd_section_size (abfd, subsection);
}
/* Looks like uninitialized data. */
else
{
- som_section_data (subsection)->subspace_dict.file_loc_init_value
+ som_section_data (subsection)->subspace_dict->file_loc_init_value
= 0;
- som_section_data (subsection)->subspace_dict.
+ som_section_data (subsection)->subspace_dict->
initialization_length = bfd_section_size (abfd, subsection);
}
}
section = section->next;
}
+ /* If building an executable, then make sure to seek to and write
+ one byte at the end of the file to make sure any necessary
+ zeros are filled in. Ugh. */
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
+ if (bfd_seek (abfd, current_offset - 1, SEEK_SET) < 0)
+ return false;
+ if (bfd_write ((PTR) "", 1, 1, abfd) != 1)
+ return false;
+
obj_som_file_hdr (abfd)->unloadable_sp_size
= current_offset - obj_som_file_hdr (abfd)->unloadable_sp_location;
/* Done. Store the total size of the SOM. */
obj_som_file_hdr (abfd)->som_length = current_offset;
+
+ /* Now write the exec header. */
+ if (abfd->flags & (EXEC_P | DYNAMIC))
+ {
+ long tmp;
+
+ exec_header.exec_entry = bfd_get_start_address (abfd);
+ exec_header.exec_flags = obj_som_exec_data (abfd)->exec_flags;
+
+ /* Oh joys. Ram some of the BSS data into the DATA section
+ to be compatable with how the hp linker makes objects
+ (saves memory space). */
+ tmp = exec_header.exec_dsize;
+ tmp = SOM_ALIGN (tmp, PA_PAGESIZE);
+ exec_header.exec_bsize -= (tmp - exec_header.exec_dsize);
+ if (exec_header.exec_bsize < 0)
+ exec_header.exec_bsize = 0;
+ exec_header.exec_dsize = tmp;
+
+ if (bfd_seek (abfd, obj_som_file_hdr (abfd)->aux_header_location,
+ SEEK_SET) < 0)
+ return false;
+
+ if (bfd_write ((PTR) &exec_header, AUX_HDR_SIZE, 1, abfd)
+ != AUX_HDR_SIZE)
+ return false;
+ }
return true;
}
/* Seek to the start of the subspace dictionary records. */
location = obj_som_file_hdr (abfd)->subspace_location;
- bfd_seek (abfd, location, SEEK_SET);
+ if (bfd_seek (abfd, location, SEEK_SET) < 0)
+ return false;
+
section = abfd->sections;
/* Now for each loadable space write out records for its subspaces. */
for (i = 0; i < num_spaces; i++)
asection *subsection;
/* Find a space. */
- while (som_section_data (section)->is_space == 0)
+ while (!som_is_space (section))
section = section->next;
/* Now look for all its subspaces. */
/* Skip any section which does not correspond to a space
or subspace. Or does not have SEC_ALLOC set (and therefore
has no real bits on the disk). */
- if (som_section_data (subsection)->is_subspace == 0
- || som_section_data (subsection)->containing_space != section
+ if (!som_is_subspace (subsection)
+ || !som_is_container (section, subsection)
|| (subsection->flags & SEC_ALLOC) == 0)
continue;
the index of the subspace in its containing space. Also
set "is_loadable" in the containing space. */
- if (som_section_data (section)->space_dict.subspace_quantity == 0)
+ if (som_section_data (section)->space_dict->subspace_quantity == 0)
{
- som_section_data (section)->space_dict.is_loadable = 1;
- som_section_data (section)->space_dict.subspace_index
+ som_section_data (section)->space_dict->is_loadable = 1;
+ som_section_data (section)->space_dict->subspace_index
= subspace_index;
}
/* Increment the number of subspaces seen and the number of
subspaces contained within the current space. */
subspace_index++;
- som_section_data (section)->space_dict.subspace_quantity++;
+ som_section_data (section)->space_dict->subspace_quantity++;
/* Mark the index of the current space within the subspace's
dictionary record. */
- som_section_data (subsection)->subspace_dict.space_index = i;
+ som_section_data (subsection)->subspace_dict->space_index = i;
/* Dump the current subspace header. */
- if (bfd_write ((PTR) &som_section_data (subsection)->subspace_dict,
+ if (bfd_write ((PTR) som_section_data (subsection)->subspace_dict,
sizeof (struct subspace_dictionary_record), 1, abfd)
!= sizeof (struct subspace_dictionary_record))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
}
/* Goto the next section. */
section = section->next;
asection *subsection;
/* Find a space. */
- while (som_section_data (section)->is_space == 0)
+ while (!som_is_space (section))
section = section->next;
/* Now look for all its subspaces. */
/* Skip any section which does not correspond to a space or
subspace, or which SEC_ALLOC set (and therefore handled
- in the loadable spaces/subspaces code above. */
+ in the loadable spaces/subspaces code above). */
- if (som_section_data (subsection)->is_subspace == 0
- || som_section_data (subsection)->containing_space != section
+ if (!som_is_subspace (subsection)
+ || !som_is_container (section, subsection)
|| (subsection->flags & SEC_ALLOC) != 0)
continue;
the index of the subspace in its containing space. Clear
"is_loadable". */
- if (som_section_data (section)->space_dict.subspace_quantity == 0)
+ if (som_section_data (section)->space_dict->subspace_quantity == 0)
{
- som_section_data (section)->space_dict.is_loadable = 0;
- som_section_data (section)->space_dict.subspace_index
+ som_section_data (section)->space_dict->is_loadable = 0;
+ som_section_data (section)->space_dict->subspace_index
= subspace_index;
}
/* Increment the number of subspaces seen and the number of
subspaces contained within the current space. */
- som_section_data (section)->space_dict.subspace_quantity++;
+ som_section_data (section)->space_dict->subspace_quantity++;
subspace_index++;
/* Mark the index of the current space within the subspace's
dictionary record. */
- som_section_data (subsection)->subspace_dict.space_index = i;
+ som_section_data (subsection)->subspace_dict->space_index = i;
/* Dump this subspace header. */
- if (bfd_write ((PTR) &som_section_data (subsection)->subspace_dict,
+ if (bfd_write ((PTR) som_section_data (subsection)->subspace_dict,
sizeof (struct subspace_dictionary_record), 1, abfd)
!= sizeof (struct subspace_dictionary_record))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
}
/* Goto the next section. */
section = section->next;
Seek to the right location and start writing the space
dictionary records. */
location = obj_som_file_hdr (abfd)->space_location;
- bfd_seek (abfd, location, SEEK_SET);
+ if (bfd_seek (abfd, location, SEEK_SET) < 0)
+ return false;
section = abfd->sections;
for (i = 0; i < num_spaces; i++)
{
/* Find a space. */
- while (som_section_data (section)->is_space == 0)
+ while (!som_is_space (section))
section = section->next;
/* Dump its header */
- if (bfd_write ((PTR) &som_section_data (section)->space_dict,
+ if (bfd_write ((PTR) som_section_data (section)->space_dict,
sizeof (struct space_dictionary_record), 1, abfd)
!= sizeof (struct space_dictionary_record))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Goto the next section. */
section = section->next;
/* Only thing left to do is write out the file header. It is always
at location zero. Seek there and write it. */
- bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) < 0)
+ return false;
if (bfd_write ((PTR) obj_som_file_hdr (abfd),
sizeof (struct header), 1, abfd)
!= sizeof (struct header))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
return true;
}
for undefined or common symbols, but the HP linker will
choke if it's not set to some "reasonable" value. We
use zero as a reasonable value. */
- if (sym->section == &bfd_com_section || sym->section == &bfd_und_section)
+ if (sym->section == &bfd_com_section || sym->section == &bfd_und_section
+ || sym->section == &bfd_abs_section)
info->symbol_info = 0;
/* For all other symbols, the symbol_info field contains the
subspace index of the space this symbol is contained in. */
else
- info->symbol_info = som_section_data (sym->section)->subspace_index;
+ info->symbol_info = sym->section->target_index;
/* Set the symbol's value. */
info->symbol_value = sym->value + sym->section->vma;
unsigned int num_syms = bfd_get_symcount (abfd);
file_ptr symtab_location = obj_som_file_hdr (abfd)->symbol_location;
asymbol **bfd_syms = bfd_get_outsymbols (abfd);
- struct symbol_dictionary_record *som_symtab;
+ struct symbol_dictionary_record *som_symtab = NULL;
int i, symtab_size;
/* Compute total symbol table size and allocate a chunk of memory
to hold the symbol table as we build it. */
symtab_size = num_syms * sizeof (struct symbol_dictionary_record);
- som_symtab = (struct symbol_dictionary_record *) alloca (symtab_size);
+ som_symtab = (struct symbol_dictionary_record *) malloc (symtab_size);
+ if (som_symtab == NULL && symtab_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
memset (som_symtab, 0, symtab_size);
/* Walk over each symbol. */
/* Everything is ready, seek to the right location and
scribble out the symbol table. */
if (bfd_seek (abfd, symtab_location, SEEK_SET) != 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
if (bfd_write ((PTR) som_symtab, symtab_size, 1, abfd) != symtab_size)
- {
- bfd_error = system_call_error;
- return false;
- }
- return true;
+ goto error_return;
+
+ if (som_symtab != NULL)
+ free (som_symtab);
+ return true;
+ error_return:
+ if (som_symtab != NULL)
+ free (som_symtab);
+ return false;
}
/* Write an object in SOM format. */
if (obj_som_stringtab (abfd) != NULL)
return true;
- /* Allocate and read in the string table. */
- stringtab = bfd_zalloc (abfd, obj_som_stringtab_size (abfd));
- if (stringtab == NULL)
+ /* I don't think this can currently happen, and I'm not sure it should
+ really be an error, but it's better than getting unpredictable results
+ from the host's malloc when passed a size of zero. */
+ if (obj_som_stringtab_size (abfd) == 0)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_symbols);
return false;
}
- if (bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET) < 0)
+ /* Allocate and read in the string table. */
+ stringtab = malloc (obj_som_stringtab_size (abfd));
+ if (stringtab == NULL)
{
- bfd_error = system_call_error;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
+
+ if (bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET) < 0)
+ return false;
if (bfd_read (stringtab, obj_som_stringtab_size (abfd), 1, abfd)
!= obj_som_stringtab_size (abfd))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Save our results and return success. */
obj_som_stringtab (abfd) = stringtab;
/* Return the amount of data (in bytes) required to hold the symbol
table for this object. */
-static unsigned int
+static long
som_get_symtab_upper_bound (abfd)
bfd *abfd;
{
if (!som_slurp_symbol_table (abfd))
- return 0;
+ return -1;
- return (bfd_get_symcount (abfd) + 1) * (sizeof (som_symbol_type *));
+ return (bfd_get_symcount (abfd) + 1) * (sizeof (asymbol *));
}
/* Convert from a SOM subspace index to a BFD section. */
static asection *
-som_section_from_subspace_index (abfd, index)
+bfd_section_from_som_symbol (abfd, symbol)
bfd *abfd;
- unsigned int index;
+ struct symbol_dictionary_record *symbol;
{
asection *section;
- for (section = abfd->sections; section != NULL; section = section->next)
- if (som_section_data (section)->subspace_index == index)
- return section;
+ /* The meaning of the symbol_info field changes for functions
+ within executables. So only use the quick symbol_info mapping for
+ incomplete objects and non-function symbols in executables. */
+ if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0
+ || (symbol->symbol_type != ST_ENTRY
+ && symbol->symbol_type != ST_PRI_PROG
+ && symbol->symbol_type != ST_SEC_PROG
+ && symbol->symbol_type != ST_MILLICODE))
+ {
+ unsigned int index = symbol->symbol_info;
+ for (section = abfd->sections; section != NULL; section = section->next)
+ if (section->target_index == index)
+ return section;
- /* Should never happen. */
- abort();
+ /* Should never happen. */
+ abort();
+ }
+ else
+ {
+ unsigned int value = symbol->symbol_value;
+ unsigned int found = 0;
+
+ /* For executables we will have to use the symbol's address and
+ find out what section would contain that address. Yuk. */
+ for (section = abfd->sections; section; section = section->next)
+ {
+ if (value >= section->vma
+ && value <= section->vma + section->_cooked_size)
+ return section;
+ }
+
+ /* Should never happen. */
+ abort ();
+ }
}
/* Read and save the symbol table associated with the given BFD. */
int symbol_count = bfd_get_symcount (abfd);
int symsize = sizeof (struct symbol_dictionary_record);
char *stringtab;
- struct symbol_dictionary_record *buf, *bufp, *endbufp;
+ struct symbol_dictionary_record *buf = NULL, *bufp, *endbufp;
som_symbol_type *sym, *symbase;
/* Return saved value if it exists. */
if (obj_som_symtab (abfd) != NULL)
- return true;
+ goto successful_return;
/* Special case. This is *not* an error. */
if (symbol_count == 0)
- return true;
+ goto successful_return;
if (!som_slurp_string_table (abfd))
- return false;
+ goto error_return;
stringtab = obj_som_stringtab (abfd);
symbase = (som_symbol_type *)
- bfd_zalloc (abfd, symbol_count * sizeof (som_symbol_type));
+ malloc (symbol_count * sizeof (som_symbol_type));
if (symbase == NULL)
{
- bfd_error = no_memory;
- return false;
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
}
/* Read in the external SOM representation. */
- buf = alloca (symbol_count * symsize);
- if (buf == NULL)
+ buf = malloc (symbol_count * symsize);
+ if (buf == NULL && symbol_count * symsize != 0)
{
- bfd_error = no_memory;
- return false;
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
}
if (bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
if (bfd_read (buf, symbol_count * symsize, 1, abfd)
!= symbol_count * symsize)
- {
- bfd_error = no_symbols;
- return (false);
- }
+ goto error_return;
/* Iterate over all the symbols and internalize them. */
endbufp = buf + symbol_count;
/* symbol_info field is undefined for SS_EXTERNAL and SS_UNSAT symbols,
so the section associated with this symbol can't be known. */
case SS_EXTERNAL:
- case SS_UNSAT:
if (bufp->symbol_type != ST_STORAGE)
sym->symbol.section = &bfd_und_section;
else
sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL);
break;
+ case SS_UNSAT:
+ if (bufp->symbol_type != ST_STORAGE)
+ sym->symbol.section = &bfd_und_section;
+ else
+ sym->symbol.section = &bfd_com_section;
+ break;
+
case SS_UNIVERSAL:
sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL);
- sym->symbol.section
- = som_section_from_subspace_index (abfd, bufp->symbol_info);
+ sym->symbol.section = bfd_section_from_som_symbol (abfd, bufp);
sym->symbol.value -= sym->symbol.section->vma;
break;
#endif
case SS_LOCAL:
sym->symbol.flags |= BSF_LOCAL;
- sym->symbol.section
- = som_section_from_subspace_index (abfd, bufp->symbol_info);
+ sym->symbol.section = bfd_section_from_som_symbol (abfd, bufp);
sym->symbol.value -= sym->symbol.section->vma;
break;
}
- /* Mark symbols left around by the debugger. */
- if (strlen (sym->symbol.name) >= 2
- && sym->symbol.name[0] == 'L'
- && (sym->symbol.name[1] == '$' || sym->symbol.name[2] == '$'
- || sym->symbol.name[3] == '$'))
+ /* Mark section symbols and symbols used by the debugger. */
+ if (sym->symbol.name[0] == '$'
+ && sym->symbol.name[strlen (sym->symbol.name) - 1] == '$')
+ sym->symbol.flags |= BSF_SECTION_SYM;
+ else if (!strncmp (sym->symbol.name, "L$0\002", 4))
+ {
+ sym->symbol.flags |= BSF_SECTION_SYM;
+ sym->symbol.name = sym->symbol.section->name;
+ }
+ else if (!strncmp (sym->symbol.name, "L$0\001", 4))
sym->symbol.flags |= BSF_DEBUGGING;
/* Note increment at bottom of loop, since we skip some symbols
/* Save our results and return success. */
obj_som_symtab (abfd) = symbase;
+ successful_return:
+ if (buf != NULL)
+ free (buf);
return (true);
+
+ error_return:
+ if (buf != NULL)
+ free (buf);
+ return false;
}
/* Canonicalize a SOM symbol table. Return the number of entries
in the symbol table. */
-static unsigned int
+static long
som_get_symtab (abfd, location)
bfd *abfd;
asymbol **location;
som_symbol_type *symbase;
if (!som_slurp_symbol_table (abfd))
- return 0;
+ return -1;
i = bfd_get_symcount (abfd);
symbase = obj_som_symtab (abfd);
(som_symbol_type *) bfd_zalloc (abfd, sizeof (som_symbol_type));
if (new == NULL)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return 0;
}
new->symbol.the_bfd = abfd;
}
}
+static boolean
+som_bfd_is_local_label (abfd, sym)
+ bfd *abfd;
+ asymbol *sym;
+{
+ return (sym->name[0] == 'L' && sym->name[1] == '$');
+}
+
/* Count or process variable-length SOM fixup records.
To avoid code duplication we use this code both to compute the number
parsed. We must do so now to know how many relocations exist. */
if (section->reloc_count == -1)
{
- external_relocs = (char *) bfd_zalloc (abfd, fixup_stream_size);
+ external_relocs = (char *) malloc (fixup_stream_size);
if (external_relocs == (char *) NULL)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
/* Read in the external forms. */
obj_som_reloc_filepos (abfd) + section->rel_filepos,
SEEK_SET)
!= 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
if (bfd_read (external_relocs, 1, fixup_stream_size, abfd)
!= fixup_stream_size)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
+
/* Let callers know how many relocations found.
also save the relocation stream as we will
need it again. */
if (section->relocation != (arelent *) NULL)
return true;
- internal_relocs = (arelent *) bfd_zalloc (abfd,
- num_relocs * sizeof (arelent));
+ internal_relocs = (arelent *) malloc (num_relocs * sizeof (arelent));
if (internal_relocs == (arelent *) NULL)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
/* Return the number of bytes required to store the relocation
information associated with the given section. */
-static unsigned int
+static long
som_get_reloc_upper_bound (abfd, asect)
bfd *abfd;
sec_ptr asect;
and parse it to determine how many relocations exist. */
if (asect->flags & SEC_RELOC)
{
- if (som_slurp_reloc_table (abfd, asect, NULL, true))
- return (asect->reloc_count + 1) * sizeof (arelent);
+ if (! som_slurp_reloc_table (abfd, asect, NULL, true))
+ return false;
+ return (asect->reloc_count + 1) * sizeof (arelent);
}
- /* Either there are no relocations or an error occurred while
- reading and parsing the relocation stream. */
+ /* There are no relocations. */
return 0;
}
/* Convert relocations from SOM (external) form into BFD internal
form. Return the number of relocations. */
-static unsigned int
+static long
som_canonicalize_reloc (abfd, section, relptr, symbols)
bfd *abfd;
sec_ptr section;
int count;
if (som_slurp_reloc_table (abfd, section, symbols, false) == false)
- return 0;
+ return -1;
count = section->reloc_count;
tblptr = section->relocation;
- if (tblptr == (arelent *) NULL)
- return 0;
while (count--)
*relptr++ = tblptr++;
(PTR) bfd_zalloc (abfd, sizeof (struct som_section_data_struct));
if (!newsect->used_by_bfd)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
newsect->alignment_power = 3;
- /* Initialize the subspace_index field to -1 so that it does
- not match a subspace with an index of 0. */
- som_section_data (newsect)->subspace_index = -1;
-
/* We allow more than three sections internally */
return true;
}
+/* Copy any private info we understand from the input section
+ to the output section. */
+static boolean
+som_bfd_copy_private_section_data (ibfd, isection, obfd, osection)
+ bfd *ibfd;
+ asection *isection;
+ bfd *obfd;
+ asection *osection;
+{
+ /* One day we may try to grok other private data. */
+ if (ibfd->xvec->flavour != bfd_target_som_flavour
+ || obfd->xvec->flavour != bfd_target_som_flavour
+ || (!som_is_space (isection) && !som_is_subspace (isection)))
+ return false;
+
+ som_section_data (osection)->copy_data
+ = (struct som_copyable_section_data_struct *)
+ bfd_zalloc (obfd, sizeof (struct som_copyable_section_data_struct));
+ if (som_section_data (osection)->copy_data == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+
+ memcpy (som_section_data (osection)->copy_data,
+ som_section_data (isection)->copy_data,
+ sizeof (struct som_copyable_section_data_struct));
+
+ /* Reparent if necessary. */
+ if (som_section_data (osection)->copy_data->container)
+ som_section_data (osection)->copy_data->container =
+ som_section_data (osection)->copy_data->container->output_section;
+
+ return true;
+}
+
+/* Copy any private info we understand from the input bfd
+ to the output bfd. */
+
+static boolean
+som_bfd_copy_private_bfd_data (ibfd, obfd)
+ bfd *ibfd, *obfd;
+{
+ /* One day we may try to grok other private data. */
+ if (ibfd->xvec->flavour != bfd_target_som_flavour
+ || obfd->xvec->flavour != bfd_target_som_flavour)
+ return false;
+
+ /* Allocate some memory to hold the data we need. */
+ obj_som_exec_data (obfd) = (struct som_exec_data *)
+ bfd_zalloc (obfd, sizeof (struct som_exec_data));
+ if (obj_som_exec_data (obfd) == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+
+ /* Now copy the data. */
+ memcpy (obj_som_exec_data (obfd), obj_som_exec_data (ibfd),
+ sizeof (struct som_exec_data));
+
+ return true;
+}
+
/* Set backend info for sections which can not be described
in the BFD data structures. */
-void
+boolean
bfd_som_set_section_attributes (section, defined, private, sort_key, spnum)
asection *section;
int defined;
int private;
- unsigned char sort_key;
+ unsigned int sort_key;
int spnum;
{
- struct space_dictionary_record *space_dict;
-
- som_section_data (section)->is_space = 1;
- space_dict = &som_section_data (section)->space_dict;
- space_dict->is_defined = defined;
- space_dict->is_private = private;
- space_dict->sort_key = sort_key;
- space_dict->space_number = spnum;
+ /* Allocate memory to hold the magic information. */
+ if (som_section_data (section)->copy_data == NULL)
+ {
+ som_section_data (section)->copy_data
+ = (struct som_copyable_section_data_struct *)
+ bfd_zalloc (section->owner,
+ sizeof (struct som_copyable_section_data_struct));
+ if (som_section_data (section)->copy_data == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+ }
+ som_section_data (section)->copy_data->sort_key = sort_key;
+ som_section_data (section)->copy_data->is_defined = defined;
+ som_section_data (section)->copy_data->is_private = private;
+ som_section_data (section)->copy_data->container = section;
+ section->target_index = spnum;
+ return true;
}
/* Set backend info for subsections which can not be described
in the BFD data structures. */
-void
+boolean
bfd_som_set_subsection_attributes (section, container, access,
sort_key, quadrant)
asection *section;
unsigned int sort_key;
int quadrant;
{
- struct subspace_dictionary_record *subspace_dict;
- som_section_data (section)->is_subspace = 1;
- subspace_dict = &som_section_data (section)->subspace_dict;
- subspace_dict->access_control_bits = access;
- subspace_dict->sort_key = sort_key;
- subspace_dict->quadrant = quadrant;
- som_section_data (section)->containing_space = container;
+ /* Allocate memory to hold the magic information. */
+ if (som_section_data (section)->copy_data == NULL)
+ {
+ som_section_data (section)->copy_data
+ = (struct som_copyable_section_data_struct *)
+ bfd_zalloc (section->owner,
+ sizeof (struct som_copyable_section_data_struct));
+ if (som_section_data (section)->copy_data == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+ }
+ som_section_data (section)->copy_data->sort_key = sort_key;
+ som_section_data (section)->copy_data->access_control_bits = access;
+ som_section_data (section)->copy_data->quadrant = quadrant;
+ som_section_data (section)->copy_data->container = container;
+ return true;
}
/* Set the full SOM symbol type. SOM needs far more symbol information
/* Attach an auxiliary header to the BFD backend so that it may be
written into the object file. */
-void
+boolean
bfd_som_attach_aux_hdr (abfd, type, string)
bfd *abfd;
int type;
+ sizeof (unsigned int) + len + pad);
if (!obj_som_version_hdr (abfd))
{
- bfd_error = no_memory;
- abort(); /* FIXME */
+ bfd_set_error (bfd_error_no_memory);
+ return false;
}
obj_som_version_hdr (abfd)->header_id.type = VERSION_AUX_ID;
obj_som_version_hdr (abfd)->header_id.length = len + pad;
+ sizeof (unsigned int) + len + pad);
if (!obj_som_copyright_hdr (abfd))
{
- bfd_error = no_error;
- abort(); /* FIXME */
+ bfd_set_error (bfd_error_no_memory);
+ return false;
}
obj_som_copyright_hdr (abfd)->header_id.type = COPYRIGHT_AUX_ID;
obj_som_copyright_hdr (abfd)->header_id.length = len + pad;
obj_som_copyright_hdr (abfd)->string_length = len;
strcpy (obj_som_copyright_hdr (abfd)->copyright, string);
}
- else
- abort ();
+ return true;
+}
+
+static boolean
+som_get_section_contents (abfd, section, location, offset, count)
+ bfd *abfd;
+ sec_ptr section;
+ PTR location;
+ file_ptr offset;
+ bfd_size_type count;
+{
+ if (count == 0 || ((section->flags & (SEC_LOAD | SEC_DEBUGGING)) == 0))
+ return true;
+ if ((bfd_size_type)(offset+count) > section->_raw_size
+ || bfd_seek (abfd, (file_ptr)(section->filepos + offset), SEEK_SET) == -1
+ || bfd_read (location, (bfd_size_type)1, count, abfd) != count)
+ return (false); /* on error */
+ return (true);
}
static boolean
/* Only write subspaces which have "real" contents (eg. the contents
are not generated at run time by the OS). */
- if (som_section_data (section)->is_subspace != 1
+ if (!som_is_subspace (section)
|| ((section->flags & (SEC_LOAD | SEC_DEBUGGING)) == 0))
return true;
/* Seek to the proper offset within the object file and write the
data. */
- offset += som_section_data (section)->subspace_dict.file_loc_init_value;
+ offset += som_section_data (section)->subspace_dict->file_loc_init_value;
if (bfd_seek (abfd, offset, SEEK_SET) == -1)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
if (bfd_write ((PTR) location, 1, count, abfd) != count)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
return true;
}
symindex *count;
{
unsigned int i;
- unsigned int hash_table[lst_header->hash_size];
+ unsigned int *hash_table = NULL;
file_ptr lst_filepos = bfd_tell (abfd) - sizeof (struct lst_header);
+ hash_table =
+ (unsigned int *) malloc (lst_header->hash_size * sizeof (unsigned int));
+ if (hash_table == NULL && lst_header->hash_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+
/* Don't forget to initialize the counter! */
*count = 0;
which point to the hash chains. */
if (bfd_read ((PTR) hash_table, lst_header->hash_size, 4, abfd)
!= lst_header->hash_size * 4)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Walk each chain counting the number of symbols found on that particular
chain. */
/* Seek to the first symbol in this hash chain. */
if (bfd_seek (abfd, lst_filepos + hash_table[i], SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Read in this symbol and update the counter. */
if (bfd_read ((PTR) & lst_symbol, 1, sizeof (lst_symbol), abfd)
!= sizeof (lst_symbol))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
+
(*count)++;
/* Now iterate through the rest of the symbols on this chain. */
/* Seek to the next symbol. */
if (bfd_seek (abfd, lst_filepos + lst_symbol.next_entry, SEEK_SET)
< 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Read the symbol in and update the counter. */
if (bfd_read ((PTR) & lst_symbol, 1, sizeof (lst_symbol), abfd)
!= sizeof (lst_symbol))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
+
(*count)++;
}
}
+ if (hash_table != NULL)
+ free (hash_table);
return true;
+
+ error_return:
+ if (hash_table != NULL)
+ free (hash_table);
+ return false;
}
/* Fill in the canonical archive symbols (SYMS) from the archive described
{
unsigned int i, len;
carsym *set = syms[0];
- unsigned int hash_table[lst_header->hash_size];
- struct som_entry som_dict[lst_header->module_count];
+ unsigned int *hash_table = NULL;
+ struct som_entry *som_dict = NULL;
file_ptr lst_filepos = bfd_tell (abfd) - sizeof (struct lst_header);
+ hash_table =
+ (unsigned int *) malloc (lst_header->hash_size * sizeof (unsigned int));
+ if (hash_table == NULL && lst_header->hash_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+
+ som_dict =
+ (struct som_entry *) malloc (lst_header->module_count
+ * sizeof (struct som_entry));
+ if (som_dict == NULL && lst_header->module_count != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+
/* Read in the hash table. The has table is an array of 32bit file offsets
which point to the hash chains. */
if (bfd_read ((PTR) hash_table, lst_header->hash_size, 4, abfd)
!= lst_header->hash_size * 4)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Seek to and read in the SOM dictionary. We will need this to fill
in the carsym's filepos field. */
if (bfd_seek (abfd, lst_filepos + lst_header->dir_loc, SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
if (bfd_read ((PTR) som_dict, lst_header->module_count,
sizeof (struct som_entry), abfd)
!= lst_header->module_count * sizeof (struct som_entry))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Walk each chain filling in the carsyms as we go along. */
for (i = 0; i < lst_header->hash_size; i++)
/* Seek to and read the first symbol on the chain. */
if (bfd_seek (abfd, lst_filepos + hash_table[i], SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
if (bfd_read ((PTR) & lst_symbol, 1, sizeof (lst_symbol), abfd)
!= sizeof (lst_symbol))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Get the name of the symbol, first get the length which is stored
as a 32bit integer just before the symbol.
using the string table would not be safe. */
if (bfd_seek (abfd, lst_filepos + lst_header->string_loc
+ lst_symbol.name.n_strx - 4, SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
if (bfd_read (&len, 1, 4, abfd) != 4)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Allocate space for the name and null terminate it too. */
set->name = bfd_zalloc (abfd, len + 1);
if (!set->name)
{
- bfd_error = no_memory;
- return false;
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
}
if (bfd_read (set->name, 1, len, abfd) != len)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
+
set->name[len] = 0;
/* Fill in the file offset. Note that the "location" field points
while (lst_symbol.next_entry)
{
/* Seek to the next symbol and read it in. */
- if (bfd_seek (abfd, lst_filepos + lst_symbol.next_entry, SEEK_SET)
- < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ if (bfd_seek (abfd, lst_filepos + lst_symbol.next_entry, SEEK_SET) <0)
+ goto error_return;
if (bfd_read ((PTR) & lst_symbol, 1, sizeof (lst_symbol), abfd)
!= sizeof (lst_symbol))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Seek to the name length & string and read them in. */
if (bfd_seek (abfd, lst_filepos + lst_header->string_loc
+ lst_symbol.name.n_strx - 4, SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
if (bfd_read (&len, 1, 4, abfd) != 4)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Allocate space for the name and null terminate it too. */
set->name = bfd_zalloc (abfd, len + 1);
if (!set->name)
{
- bfd_error = no_memory;
- return false;
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
}
+
if (bfd_read (set->name, 1, len, abfd) != len)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
set->name[len] = 0;
/* Fill in the file offset. Note that the "location" field points
}
/* If we haven't died by now, then we successfully read the entire
archive symbol table. */
+ if (hash_table != NULL)
+ free (hash_table);
+ if (som_dict != NULL)
+ free (som_dict);
return true;
+
+ error_return:
+ if (hash_table != NULL)
+ free (hash_table);
+ if (som_dict != NULL)
+ free (som_dict);
+ return false;
}
/* Read in the LST from the archive. */
return false;
if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* For archives without .o files there is no symbol table. */
if (strncmp (nextname, "/ ", 16))
/* Read in and sanity check the archive header. */
if (bfd_read ((PTR) &ar_header, 1, sizeof (struct ar_hdr), abfd)
!= sizeof (struct ar_hdr))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
if (strncmp (ar_header.ar_fmag, ARFMAG, 2))
{
- bfd_error = malformed_archive;
- return NULL;
+ bfd_set_error (bfd_error_malformed_archive);
+ return false;
}
/* How big is the archive symbol table entry? */
parsed_size = strtol (ar_header.ar_size, NULL, 10);
if (errno != 0)
{
- bfd_error = malformed_archive;
- return NULL;
+ bfd_set_error (bfd_error_malformed_archive);
+ return false;
}
/* Save off the file offset of the first real user data. */
in just a minute. */
if (bfd_read ((PTR) & lst_header, 1, sizeof (struct lst_header), abfd)
!= sizeof (struct lst_header))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Sanity check. */
if (lst_header.a_magic != LIBMAGIC)
{
- bfd_error = malformed_archive;
- return NULL;
+ bfd_set_error (bfd_error_malformed_archive);
+ return false;
}
/* Count the number of symbols in the library symbol table. */
/* Get back to the start of the library symbol table. */
if (bfd_seek (abfd, ardata->first_file_filepos - parsed_size
+ sizeof (struct lst_header), SEEK_SET) < 0)
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Initializae the cache and allocate space for the library symbols. */
ardata->cache = 0;
* sizeof (carsym)));
if (!ardata->symdefs)
{
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
== false)
return false;
+ /* Seek back to the "first" file in the archive. Note the "first"
+ file may be the extended name table. */
+ if (bfd_seek (abfd, ardata->first_file_filepos, SEEK_SET) < 0)
+ return false;
+
/* Notify the generic archive code that we have a symbol map. */
bfd_has_map (abfd) = true;
return true;
while (curr_bfd != NULL)
{
unsigned int curr_count, i;
- asymbol *sym;
+ som_symbol_type *sym;
+
+ /* Don't bother for non-SOM objects. */
+ if (curr_bfd->format != bfd_object
+ || curr_bfd->xvec->flavour != bfd_target_som_flavour)
+ {
+ curr_bfd = curr_bfd->next;
+ continue;
+ }
/* Make sure the symbol table has been read, then snag a pointer
to it. It's a little slimey to grab the symbols via obj_som_symtab,
if (som_slurp_symbol_table (curr_bfd) == false)
return false;
- sym = (asymbol *)obj_som_symtab (curr_bfd);
+ sym = obj_som_symtab (curr_bfd);
curr_count = bfd_get_symcount (curr_bfd);
/* Examine each symbol to determine if it belongs in the
struct som_misc_symbol_info info;
/* Derive SOM information from the BFD symbol. */
- som_bfd_derive_misc_symbol_info (curr_bfd, sym, &info);
+ som_bfd_derive_misc_symbol_info (curr_bfd, &sym->symbol, &info);
/* Should we include this symbol? */
if (info.symbol_type == ST_NULL
continue;
/* Do no include undefined symbols. */
- if (sym->section == &bfd_und_section)
+ if (sym->symbol.section == &bfd_und_section)
continue;
/* Bump the various counters, being careful to honor
alignment considerations in the string table. */
(*num_syms)++;
- *stringsize = *stringsize + strlen (sym->name) + 5;
+ *stringsize = *stringsize + strlen (sym->symbol.name) + 5;
while (*stringsize % 4)
(*stringsize)++;
}
| (symbol->name[len-2] << 8) | symbol->name[len-1];
}
+static CONST char *
+normalize (file)
+ CONST char *file;
+{
+ CONST char *filename = strrchr (file, '/');
+
+ if (filename != NULL)
+ filename++;
+ else
+ filename = file;
+ return filename;
+}
+
/* Do the bulk of the work required to write the SOM library
symbol table. */
struct lst_header lst;
{
file_ptr lst_filepos;
- char *strings, *p;
- struct lst_symbol_record *lst_syms, *curr_lst_sym;
- bfd *curr_bfd = abfd->archive_head;
- unsigned int hash_table[lst.hash_size];
- struct som_entry som_dict[lst.module_count];
- struct lst_symbol_record *last_hash_entry[lst.hash_size];
- unsigned int curr_som_offset, som_index;
+ char *strings = NULL, *p;
+ struct lst_symbol_record *lst_syms = NULL, *curr_lst_sym;
+ bfd *curr_bfd;
+ unsigned int *hash_table = NULL;
+ struct som_entry *som_dict = NULL;
+ struct lst_symbol_record **last_hash_entry = NULL;
+ unsigned int curr_som_offset, som_index, extended_name_length = 0;
+ unsigned int maxname = abfd->xvec->ar_max_namelen;
+
+ hash_table =
+ (unsigned int *) malloc (lst.hash_size * sizeof (unsigned int));
+ if (hash_table == NULL && lst.hash_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+ som_dict =
+ (struct som_entry *) malloc (lst.module_count
+ * sizeof (struct som_entry));
+ if (som_dict == NULL && lst.module_count != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+
+ last_hash_entry =
+ ((struct lst_symbol_record **)
+ malloc (lst.hash_size * sizeof (struct lst_symbol_record *)));
+ if (last_hash_entry == NULL && lst.hash_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
/* Lots of fields are file positions relative to the start
of the lst record. So save its location. */
som_index = 0;
curr_som_offset = 8 + 2 * sizeof (struct ar_hdr) + lst.file_end;
+ /* Yow! We have to know the size of the extended name table
+ too. */
+ for (curr_bfd = abfd->archive_head;
+ curr_bfd != NULL;
+ curr_bfd = curr_bfd->next)
+ {
+ CONST char *normal = normalize (curr_bfd->filename);
+ unsigned int thislen;
+
+ if (!normal)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return false;
+ }
+ thislen = strlen (normal);
+ if (thislen > maxname)
+ extended_name_length += thislen + 1;
+ }
+
+ /* Make room for the archive header and the contents of the
+ extended string table. */
+ if (extended_name_length)
+ curr_som_offset += extended_name_length + sizeof (struct ar_hdr);
+
+ /* Make sure we're properly aligned. */
+ curr_som_offset = (curr_som_offset + 0x1) & ~0x1;
+
/* FIXME should be done with buffers just like everything else... */
- lst_syms = alloca (nsyms * sizeof (struct lst_symbol_record));
- strings = alloca (string_size);
+ lst_syms = malloc (nsyms * sizeof (struct lst_symbol_record));
+ if (lst_syms == NULL && nsyms != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+ strings = malloc (string_size);
+ if (strings == NULL && string_size != 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ goto error_return;
+ }
+
p = strings;
curr_lst_sym = lst_syms;
-
+ curr_bfd = abfd->archive_head;
while (curr_bfd != NULL)
{
unsigned int curr_count, i;
- asymbol *sym;
+ som_symbol_type *sym;
+
+ /* Don't bother for non-SOM objects. */
+ if (curr_bfd->format != bfd_object
+ || curr_bfd->xvec->flavour != bfd_target_som_flavour)
+ {
+ curr_bfd = curr_bfd->next;
+ continue;
+ }
/* Make sure the symbol table has been read, then snag a pointer
to it. It's a little slimey to grab the symbols via obj_som_symtab,
but doing so avoids allocating lots of extra memory. */
if (som_slurp_symbol_table (curr_bfd) == false)
- return false;
+ goto error_return;
- sym = (asymbol *)obj_som_symtab (curr_bfd);
+ sym = obj_som_symtab (curr_bfd);
curr_count = bfd_get_symcount (curr_bfd);
for (i = 0; i < curr_count; i++, sym++)
struct som_misc_symbol_info info;
/* Derive SOM information from the BFD symbol. */
- som_bfd_derive_misc_symbol_info (curr_bfd, sym, &info);
+ som_bfd_derive_misc_symbol_info (curr_bfd, &sym->symbol, &info);
/* Should we include this symbol? */
if (info.symbol_type == ST_NULL
continue;
/* Do no include undefined symbols. */
- if (sym->section == &bfd_und_section)
+ if (sym->symbol.section == &bfd_und_section)
continue;
/* If this is the first symbol from this SOM, then update
curr_lst_sym->must_qualify = 0;
curr_lst_sym->initially_frozen = 0;
curr_lst_sym->memory_resident = 0;
- curr_lst_sym->is_common = (sym->section == &bfd_com_section);
+ curr_lst_sym->is_common = (sym->symbol.section == &bfd_com_section);
curr_lst_sym->dup_common = 0;
curr_lst_sym->xleast = 0;
curr_lst_sym->arg_reloc = info.arg_reloc;
curr_lst_sym->symbol_descriptor = 0;
curr_lst_sym->reserved = 0;
curr_lst_sym->som_index = som_index;
- curr_lst_sym->symbol_key = som_bfd_ar_symbol_hash (sym);
+ curr_lst_sym->symbol_key = som_bfd_ar_symbol_hash (&sym->symbol);
curr_lst_sym->next_entry = 0;
/* Insert into the hash table. */
/* Update the string table. */
- bfd_put_32 (abfd, strlen (sym->name), p);
+ bfd_put_32 (abfd, strlen (sym->symbol.name), p);
p += 4;
- strcpy (p, sym->name);
- p += strlen (sym->name) + 1;
+ strcpy (p, sym->symbol.name);
+ p += strlen (sym->symbol.name) + 1;
while ((int)p % 4)
{
bfd_put_8 (abfd, 0, p);
/* Now scribble out the hash table. */
if (bfd_write ((PTR) hash_table, lst.hash_size, 4, abfd)
!= lst.hash_size * 4)
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* Then the SOM dictionary. */
if (bfd_write ((PTR) som_dict, lst.module_count,
sizeof (struct som_entry), abfd)
!= lst.module_count * sizeof (struct som_entry))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* The library symbols. */
if (bfd_write ((PTR) lst_syms, nsyms, sizeof (struct lst_symbol_record), abfd)
!= nsyms * sizeof (struct lst_symbol_record))
- {
- bfd_error = system_call_error;
- return false;
- }
+ goto error_return;
/* And finally the strings. */
if (bfd_write ((PTR) strings, string_size, 1, abfd) != string_size)
- {
- bfd_error = system_call_error;
- return false;
- }
-
+ goto error_return;
+
+ if (hash_table != NULL)
+ free (hash_table);
+ if (som_dict != NULL)
+ free (som_dict);
+ if (last_hash_entry != NULL)
+ free (last_hash_entry);
+ if (lst_syms != NULL)
+ free (lst_syms);
+ if (strings != NULL)
+ free (strings);
return true;
+
+ error_return:
+ if (hash_table != NULL)
+ free (hash_table);
+ if (som_dict != NULL)
+ free (som_dict);
+ if (last_hash_entry != NULL)
+ free (last_hash_entry);
+ if (lst_syms != NULL)
+ free (lst_syms);
+ if (strings != NULL)
+ free (strings);
+
+ return false;
}
/* Write out the LST for the archive.
/* We'll use this for the archive's date and mode later. */
if (stat (abfd->filename, &statbuf) != 0)
{
- bfd_error = system_call_error;
+ bfd_set_error (bfd_error_system_call);
return false;
}
/* Fudge factor. */
lst.module_count = 0;
while (curr_bfd != NULL)
{
- lst.module_count++;
+ /* Only true SOM objects count. */
+ if (curr_bfd->format == bfd_object
+ && curr_bfd->xvec->flavour == bfd_target_som_flavour)
+ lst.module_count++;
curr_bfd = curr_bfd->next;
}
lst.module_limit = lst.module_count;
/* SOM ABI says this must be zero. */
lst.free_list = 0;
-
lst.file_end = lst_size;
/* Compute the checksum. Must happen after the entire lst header
has filled in. */
p = (int *)&lst;
+ lst.checksum = 0;
for (i = 0; i < sizeof (struct lst_header)/sizeof (int) - 1; i++)
lst.checksum ^= *p++;
/* Scribble out the ar header. */
if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd)
!= sizeof (struct ar_hdr))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Now scribble out the lst header. */
if (bfd_write ((PTR) &lst, 1, sizeof (struct lst_header), abfd)
!= sizeof (struct lst_header))
- {
- bfd_error = system_call_error;
- return false;
- }
+ return false;
/* Build and write the armap. */
if (som_bfd_ar_write_symbol_stuff (abfd, nsyms, stringsize, lst) == false)
return true;
}
-/* Apparently the extened names are never used, even though they appear
- in the SOM ABI. Hmmm. */
+/* Free all information we have cached for this BFD. We can always
+ read it again later if we need it. */
+
static boolean
-som_slurp_extended_name_table (abfd)
+som_bfd_free_cached_info (abfd)
bfd *abfd;
{
- bfd_ardata (abfd)->extended_names = NULL;
+ asection *o;
+
+ if (bfd_get_format (abfd) != bfd_object)
+ return true;
+
+#define FREE(x) if (x != NULL) { free (x); x = NULL; }
+ /* Free the native string and symbol tables. */
+ FREE (obj_som_symtab (abfd));
+ FREE (obj_som_stringtab (abfd));
+ for (o = abfd->sections; o != (asection *) NULL; o = o->next)
+ {
+ /* Free the native relocations. */
+ o->reloc_count = -1;
+ FREE (som_section_data (o)->reloc_stream);
+ /* Free the generic relocations. */
+ FREE (o->relocation);
+ }
+#undef FREE
+
return true;
}
/* End of miscellaneous support functions. */
-#define som_bfd_debug_info_start bfd_void
-#define som_bfd_debug_info_end bfd_void
-#define som_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
+#define som_close_and_cleanup som_bfd_free_cached_info
#define som_openr_next_archived_file bfd_generic_openr_next_archived_file
#define som_generic_stat_arch_elt bfd_generic_stat_arch_elt
#define som_truncate_arname bfd_bsd_truncate_arname
+#define som_slurp_extended_name_table _bfd_slurp_extended_name_table
-#define som_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
-#define som_close_and_cleanup bfd_generic_close_and_cleanup
-#define som_get_section_contents bfd_generic_get_section_contents
+#define som_get_lineno _bfd_nosymbols_get_lineno
+#define som_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
#define som_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents
#define som_bfd_relax_section bfd_generic_relax_section
-#define som_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
#define som_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define som_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define som_bfd_final_link _bfd_generic_final_link
-/* Core file support is in the hpux-core backend. */
-#define som_core_file_failing_command _bfd_dummy_core_file_failing_command
-#define som_core_file_failing_signal _bfd_dummy_core_file_failing_signal
-#define som_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p
-
bfd_target som_vec =
{
"som", /* name */
true, /* target headers byte order */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | DYNAMIC),
(SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
| SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
predictable, and if so what is it */
0,
'/', /* ar_pad_char */
- 16, /* ar_max_namelen */
+ 14, /* ar_max_namelen */
3, /* minimum alignment */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_false,
},
#undef som
- JUMP_TABLE (som),
+
+ BFD_JUMP_TABLE_GENERIC (som),
+ BFD_JUMP_TABLE_COPY (som),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (som),
+ BFD_JUMP_TABLE_SYMBOLS (som),
+ BFD_JUMP_TABLE_RELOCS (som),
+ BFD_JUMP_TABLE_WRITE (som),
+ BFD_JUMP_TABLE_LINK (som),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
(PTR) 0
};
projects / external / binutils.git / blobdiff