/* obj-format for ieee-695 records.
- Copyright (C) 1991, 92, 93, 94, 95, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94, 95, 97, 98, 2000
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ 02111-1307, USA. */
+/* Created by Steve Chamberlain <steve@cygnus.com>. */
-/*
- created by
-
- steve chamberlain steve@cygnus.com
- */
-
-/*
- this will hopefully become the port through which bfd and gas talk,
- for the moment, only ieee is known to work well.
- */
+/* This will hopefully become the port through which bfd and gas talk,
+ for the moment, only ieee is known to work well. */
#include "bfd.h"
#include "as.h"
bfd *abfd;
-/* How many addresses does the .align take? */
+/* How many addresses does the .align take? */
+
static relax_addressT
relax_align (address, alignment)
- register relax_addressT address; /* Address now. */
- register long alignment; /* Alignment (binary). */
+ /* Address now. */
+ register relax_addressT address;
+
+ /* Alignment (binary). */
+ register long alignment;
{
relax_addressT mask;
relax_addressT new_address;
mask = ~((~0) << alignment);
new_address = (address + mask) & (~mask);
return (new_address - address);
-} /* relax_align() */
+}
+
+/* Calculate the size of the frag chain
+ and create a bfd section to contain all of it. */
-/* calculate the size of the frag chain and create a bfd section
- to contain all of it */
static void
size_section (abfd, idx)
- bfd * abfd;
+ bfd *abfd;
unsigned int idx;
{
asection *sec;
unsigned int size = 0;
fragS *frag = segment_info[idx].frag_root;
+
while (frag)
{
if (frag->fr_address != size)
if (size)
{
char *name = segment_info[idx].name;
+
if (name == (char *) NULL)
- {
- name = ".data";
- }
- segment_info[idx].user_stuff = (char *) (sec = bfd_make_section (abfd, name));
- /* Make it output through itself */
+ name = ".data";
+
+ segment_info[idx].user_stuff =
+ (char *) (sec = bfd_make_section (abfd, name));
+ /* Make it output through itself. */
sec->output_section = sec;
sec->flags |= SEC_HAS_CONTENTS;
bfd_set_section_size (abfd, sec, size);
}
}
-/* run through a frag chain and write out the data to go with it */
+/* Run through a frag chain and write out the data to go with it. */
+
static void
fill_section (abfd, idx)
- bfd * abfd;
+ bfd *abfd;
unsigned int idx;
{
asection *sec = segment_info[idx].user_stuff;
+
if (sec)
{
fragS *frag = segment_info[idx].frag_root;
}
}
-/* Count the relocations in a chain */
+/* Count the relocations in a chain. */
static unsigned int
count_entries_in_chain (idx)
unsigned int nrelocs;
fixS *fixup_ptr;
- /* Count the relocations */
+ /* Count the relocations. */
fixup_ptr = segment_info[idx].fix_root;
nrelocs = 0;
while (fixup_ptr != (fixS *) NULL)
return nrelocs;
}
-/* output all the relocations for a section */
+/* Output all the relocations for a section. */
+
void
do_relocs_for (idx)
unsigned int idx;
asection *section = (asection *) (segment_info[idx].user_stuff);
unsigned int i;
fixS *from;
+
if (section)
{
nrelocs = count_entries_in_chain (idx);
- reloc_ptr_vector = (arelent **) malloc ((nrelocs + 1) * sizeof (arelent *));
+ reloc_ptr_vector =
+ (arelent **) malloc ((nrelocs + 1) * sizeof (arelent *));
reloc_vector = (arelent *) malloc (nrelocs * sizeof (arelent));
ptrs = (asymbol **) malloc (nrelocs * sizeof (asymbol *));
from = segment_info[idx].fix_root;
reloc_ptr_vector[i] = to;
to->howto = (reloc_howto_type *) (from->fx_r_type);
-#if 0 /* We can't represent complicated things in a reloc yet */
- if (from->fx_addsy == 0 || from->fx_subsy != 0) abort();
+#if 0
+ /* We can't represent complicated things in a reloc yet. */
+ if (from->fx_addsy == 0 || from->fx_subsy != 0)
+ abort ();
#endif
s = &(from->fx_addsy->sy_symbol.sy);
If this relocation is pcrelative, and we know the
destination, we still want to keep the relocation - since
the linker might relax some of the bytes, but it stops
- being pc relative and turns into an absolute relocation. */
+ being pc relative and turns into an absolute relocation. */
if (s)
{
if ((s->flags & BSF_UNDEFINED) == 0)
to->sym_ptr_ptr = 0;
if (to->howto->pcrel_offset)
- {
- /* This is a pcrel relocation, the addend should be adjusted */
- to->addend -= to->address + 1;
- }
+ /* This is a pcrel relocation, the addend should
+ be adjusted. */
+ to->addend -= to->address + 1;
}
else
{
to->sym_ptr_ptr = ptrs;
if (to->howto->pcrel_offset)
- {
- /* This is a pcrel relocation, the addend should be adjusted */
- to->addend -= to->address - 1;
- }
+ /* This is a pcrel relocation, the addend should
+ be adjusted. */
+ to->addend -= to->address - 1;
}
-
}
else
- {
- to->section = 0;
- }
+ to->section = 0;
ptrs++;
from = from->fx_next;
}
- /* attatch to the section */
+ /* Attatch to the section. */
section->orelocation = reloc_ptr_vector;
section->reloc_count = nrelocs;
section->flags |= SEC_LOAD;
}
}
-/* do the symbols.. */
+/* Do the symbols. */
+
static void
do_symbols (abfd)
- bfd * abfd;
+ bfd *abfd;
{
extern symbolS *symbol_rootP;
symbolS *ptr;
unsigned int count = 0;
unsigned int index;
-
for (ptr = symbol_rootP;
ptr != (symbolS *) NULL;
ptr = ptr->sy_next)
(asection *) (segment_info[ptr->sy_symbol.seg].user_stuff);
S_SET_VALUE (ptr, S_GET_VALUE (ptr) + ptr->sy_frag->fr_address);
if (ptr->sy_symbol.sy.flags == 0)
- {
- ptr->sy_symbol.sy.flags = BSF_LOCAL;
- }
+ ptr->sy_symbol.sy.flags = BSF_LOCAL;
}
else
{
}
/* The generic as->bfd converter. Other backends may have special case
- code */
+ code. */
void
bfd_as_write_hook ()
int i;
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
- {
- size_section (abfd, i);
- }
-
+ size_section (abfd, i);
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
fill_section (abfd, i);
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
do_relocs_for (i);
-
}
S_SET_SEGMENT (x, y)
char *p = input_line_pointer;
char *s = p;
int i;
- /* Look up the name, if it doesn't exist, make it */
+
+ /* Look up the name, if it doesn't exist, make it. */
while (*p && *p != ' ' && *p != ',' && !is_end_of_line[*p])
{
p++;
if (segment_info[i].hadone)
{
if (strncmp (segment_info[i].name, s, p - s) == 0)
- {
- goto ok;
-
- }
+ goto ok;
}
else
break;
while (!is_end_of_line[*p])
p++;
input_line_pointer = p;
-
}
-
void cons ();
void s_ignore ();
-
void s_globl ();
const pseudo_typeS obj_pseudo_table[] =
{
{"section", obj_ieee_section, 0},
- {"data.b", cons, 1},
- {"data.w", cons, 2},
- {"data.l", cons, 4},
- {"export", s_globl, 0},
- {"option", s_ignore, 0},
- {"end", s_ignore, 0},
- {"import", s_ignore, 0},
- {"sdata", stringer, 0},
+ {"data.b" , cons , 1},
+ {"data.w" , cons , 2},
+ {"data.l" , cons , 4},
+ {"export" , s_globl , 0},
+ {"option" , s_ignore , 0},
+ {"end" , s_ignore , 0},
+ {"import" , s_ignore , 0},
+ {"sdata" , stringer , 0},
0,
-
};
-
-
void
obj_symbol_new_hook (symbolP)
symbolS *symbolP;
symbolP->sy_symbol.sy.the_bfd = abfd;
}
-
-
-
-
#if 1
extern void
write_object_file ()
frchain_ptr != (struct frchain *) NULL;
frchain_ptr = frchain_ptr->frch_next)
{
- /* Run through all the sub-segments and align them up. Also close any
- open frags. We tack a .fill onto the end of the frag chain so
- that any .align's size can be worked by looking at the next
- frag. */
+ /* Run through all the sub-segments and align them up. Also
+ close any open frags. We tack a .fill onto the end of the
+ frag chain so that any .align's size can be worked by looking
+ at the next frag. */
subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg);
#ifndef SUB_SEGMENT_ALIGN
}
/* Now build one big frag chain for each segment, linked through
- fr_next. */
+ fr_next. */
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
-
fragS **prev_frag_ptr_ptr;
struct frchain *next_frchain_ptr;
- /* struct frag **head_ptr = segment_info[i].frag_root;*/
+#if 0
+ struct frag **head_ptr = segment_info[i].frag_root;
+#endif
segment_info[i].frag_root = segment_info[i].frchainP->frch_root;
#if 0
- /* Im not sure what this is for */
+ /* I'm not sure what this is for. */
for (frchain_ptr = segment_info[i].frchainP->frch_root;
frchain_ptr != (struct frchain *) NULL;
frchain_ptr = frchain_ptr->frch_next)
*head_ptr = frchain_ptr;
head_ptr = &frchain_ptr->next;
}
-
-
#endif
}
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
- {
- relax_segment (segment_info[i].frag_root, i);
- }
+ relax_segment (segment_info[i].frag_root, i);
- /* Now the addresses of the frags are correct within the segment */
+ /* Now the addresses of the frags are correct within the segment. */
bfd_as_write_hook ();
bfd_close (abfd);
{
abort ();
}
-
-/* end of obj-ieee.c */
projects / thirdparty / binutils-gdb.git / blobdiff