segT
subseg_get (const char *segname, int force_new)
{
segT secptr;
segment_info_type *seginfo;
const char *now_seg_name = (now_seg
? bfd_get_section_name (stdoutput, now_seg)
: 0);
if (!force_new
&& now_seg_name
&& (now_seg_name == segname
|| !strcmp (now_seg_name, segname)))
return now_seg;
if (!force_new)
secptr = bfd_make_section_old_way (stdoutput, segname);
else
secptr = bfd_make_section_anyway (stdoutput, segname);
seginfo = seg_info (secptr);
if (! seginfo)
{
secptr->output_section = secptr;
seginfo = XCNEW (segment_info_type);
seginfo->bfd_section = secptr;
bfd_set_section_userdata (stdoutput, secptr, seginfo);
}
return secptr;
}
void
obj_som_init_stab_section (segT seg)
{
segT saved_seg = now_seg;
segT space;
subsegT saved_subseg = now_subseg;
char *p, *file;
unsigned int stroff;
/* Make the space which will contain the debug subspaces. */
space = bfd_make_section_old_way (stdoutput, "$GDB_DEBUG$");
/* Set SOM specific attributes for the space. In particular we set
the space "defined", "private", "sort_key", and "spnum" values.
Due to a bug in pxdb (called by hpux linker), the sort keys
of the various stabs spaces/subspaces need to be "small". We
reserve range 72/73 which appear to work well. */
obj_set_section_attributes (space, 1, 1, 72, 2);
bfd_set_section_alignment (stdoutput, space, 2);
/* Set the containing space for both stab sections to be $GDB_DEBUG$
(just created above). Also set some attributes which BFD does
not understand. In particular, access bits, sort keys, and load
quadrant. */
obj_set_subsection_attributes (seg, space, 0x1f, 73, 0, 0, 0, 0);
bfd_set_section_alignment (stdoutput, seg, 2);
/* Make some space for the first special stab entry and zero the memory.
It contains information about the length of this file's
stab string and the like. Using it avoids the need to
relocate the stab strings.
The $GDB_STRINGS$ space will be created as a side effect of
the call to get_stab_string_offset. */
p = frag_more (12);
memset (p, 0, 12);
as_where (&file, (unsigned int *) NULL);
stroff = get_stab_string_offset (file, "$GDB_STRINGS$");
know (stroff == 1);
md_number_to_chars (p, stroff, 4);
seg_info (seg)->stabu.p = p;
/* Set the containing space for both stab sections to be $GDB_DEBUG$
(just created above). Also set some attributes which BFD does
not understand. In particular, access bits, sort keys, and load
quadrant. */
seg = bfd_get_section_by_name (stdoutput, "$GDB_STRINGS$");
obj_set_subsection_attributes (seg, space, 0x1f, 72, 0, 0, 0, 0);
bfd_set_section_alignment (stdoutput, seg, 2);
subseg_set (saved_seg, saved_subseg);
}
static void
process_esd (bfd *abfd, struct ext_esd *esd, int pass)
{
/* Read through the ext def for the est entries. */
int togo = esd->size - 2;
bfd_vma size;
bfd_vma start;
asection *sec;
char name[11];
unsigned char *ptr = esd->esd_entries;
unsigned char *end = ptr + togo;
while (ptr < end)
{
int scn = *ptr & 0xf;
int typ = (*ptr >> 4) & 0xf;
/* Declare this section. */
sprintf (name, "%d", scn);
sec = bfd_make_section_old_way (abfd, strdup (name));
sec->target_index = scn;
EDATA (abfd, scn).section = sec;
ptr++;
switch (typ)
{
default:
abort ();
case ESD_XREF_SEC:
case ESD_XREF_SYM:
{
int snum = VDATA (abfd)->ref_idx++;
get_10 (&ptr, name);
if (pass == 1)
VDATA (abfd)->stringlen += strlen (name) + 1;
else
{
int esidx;
asymbol *s;
char *n = new_symbol_string (abfd, name);
s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
bfd_und_section_ptr);
esidx = VDATA (abfd)->es_done++;
RDATA (abfd, esidx - ES_BASE) = s;
}
}
break;
case ESD_ABS:
size = get_4 (&ptr);
start = get_4 (&ptr);
break;
case ESD_STD_REL_SEC:
case ESD_SHRT_REL_SEC:
sec->size = get_4 (&ptr);
sec->flags |= SEC_ALLOC;
break;
case ESD_XDEF_IN_ABS:
sec = (asection *) & bfd_abs_section;
case ESD_XDEF_IN_SEC:
{
int snum = VDATA (abfd)->def_idx++;
bfd_vma val;
get_10 (&ptr, name);
val = get_4 (&ptr);
if (pass == 1)
/* Just remember the symbol. */
VDATA (abfd)->stringlen += strlen (name) + 1;
else
{
asymbol *s;
char *n = new_symbol_string (abfd, name);
s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
val, sec);
s->flags |= BSF_GLOBAL;
}
}
break;
}
}
}