cd1d8c6d89
abs_output_section is what is required. * ldwrite.c (ldwrite): use malloc to allocate the largest space used, and pass that down. * relax.c,relax.h (write_relaxnorel): use the passed malloc area rather than alloca.
189 lines
4 KiB
C
189 lines
4 KiB
C
|
|
|
|
/*
|
|
|
|
new age linking
|
|
|
|
|
|
Tie together all the interseting blocks
|
|
|
|
*/
|
|
|
|
|
|
#include "bfd.h"
|
|
#include "../bfd/seclet.h"
|
|
#include "coff/internal.h"
|
|
#include "sysdep.h"
|
|
|
|
#include "ldlang.h"
|
|
#include "ld.h"
|
|
#include "ldwrite.h"
|
|
#include "ldmisc.h"
|
|
#include "ldsym.h"
|
|
#include "ldgram.h"
|
|
#include "relax.h"
|
|
static void
|
|
DEFUN(build_it,(statement),
|
|
lang_statement_union_type *statement)
|
|
{
|
|
switch (statement->header.type) {
|
|
#if 0
|
|
{
|
|
|
|
bfd_byte play_area[SHORT_SIZE];
|
|
unsigned int i;
|
|
bfd_putshort(output_bfd, statement->fill_statement.fill, play_area);
|
|
/* Write out all entire shorts */
|
|
for (i = 0;
|
|
i < statement->fill_statement.size - SHORT_SIZE + 1;
|
|
i+= SHORT_SIZE)
|
|
{
|
|
bfd_set_section_contents(output_bfd,
|
|
statement->fill_statement.output_section,
|
|
play_area,
|
|
statement->data_statement.output_offset +i,
|
|
SHORT_SIZE);
|
|
|
|
}
|
|
|
|
/* Now write any remaining byte */
|
|
if (i < statement->fill_statement.size)
|
|
{
|
|
bfd_set_section_contents(output_bfd,
|
|
statement->fill_statement.output_section,
|
|
play_area,
|
|
statement->data_statement.output_offset +i,
|
|
1);
|
|
|
|
}
|
|
|
|
abort();
|
|
}
|
|
break;
|
|
#endif
|
|
case lang_data_statement_enum:
|
|
#if 0
|
|
{
|
|
|
|
bfd_vma value = statement->data_statement.value;
|
|
bfd_byte play_area[LONG_SIZE];
|
|
unsigned int size = 0;
|
|
switch (statement->data_statement.type) {
|
|
case LONG:
|
|
bfd_put_32(output_bfd, value, play_area);
|
|
size = LONG_SIZE;
|
|
break;
|
|
case SHORT:
|
|
bfd_put_16(output_bfd, value, play_area);
|
|
size = SHORT_SIZE;
|
|
break;
|
|
case BYTE:
|
|
bfd_put_8(output_bfd, value, play_area);
|
|
size = BYTE_SIZE;
|
|
break;
|
|
}
|
|
|
|
bfd_set_section_contents(output_bfd,
|
|
statement->data_statement.output_section,
|
|
play_area,
|
|
statement->data_statement.output_vma,
|
|
size);
|
|
|
|
|
|
|
|
}
|
|
#endif
|
|
break;
|
|
case lang_input_section_enum:
|
|
{
|
|
/* Create a new seclet in the output section with this
|
|
attached */
|
|
if (statement->input_section.ifile->just_syms_flag == false)
|
|
{
|
|
asection *i = statement->input_section.section;
|
|
|
|
asection *output_section = i->output_section;
|
|
|
|
bfd_seclet_type *seclet = bfd_new_seclet(output_section->owner,output_section);
|
|
|
|
seclet->type = bfd_indirect_seclet;
|
|
seclet->u.indirect.section = i;
|
|
seclet->u.indirect.symbols = statement->input_section.ifile->asymbols;
|
|
seclet->size = i->_cooked_size;
|
|
seclet->offset = i->output_offset;
|
|
seclet->next = 0;
|
|
}
|
|
|
|
}
|
|
break;
|
|
case lang_padding_statement_enum:
|
|
/* Make a new seclet with the right filler */
|
|
{
|
|
/* Create a new seclet in the output section with this
|
|
attached */
|
|
|
|
bfd_seclet_type *seclet =
|
|
bfd_new_seclet(statement->padding_statement.output_section->owner,
|
|
statement->padding_statement.output_section);
|
|
|
|
seclet->type = bfd_fill_seclet;
|
|
seclet->size = statement->padding_statement.size;
|
|
seclet->offset = statement->padding_statement.output_offset;
|
|
seclet->u.fill.value = statement->padding_statement.fill;
|
|
seclet->next = 0;
|
|
}
|
|
break;
|
|
|
|
|
|
|
|
break;
|
|
default:
|
|
/* All the other ones fall through */
|
|
;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
void
|
|
DEFUN(write_relaxnorel,(output_bfd, data),
|
|
bfd *output_bfd AND
|
|
PTR data)
|
|
{
|
|
/* Tie up all the statements to generate an output bfd structure which
|
|
bfd can mull over */
|
|
|
|
|
|
lang_for_each_statement(build_it);
|
|
|
|
seclet_dump(output_bfd, data);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* See if we can change the size of this section by shrinking the
|
|
relocations in it. If this happens, then we'll have to renumber the
|
|
symbols in it, and shift around the data too.
|
|
*/
|
|
boolean
|
|
DEFUN(relax_section,(this_ptr),
|
|
lang_statement_union_type **this_ptr)
|
|
{
|
|
|
|
lang_input_section_type *is = &((*this_ptr)->input_section);
|
|
asection *i = is->section;
|
|
if (!(i->owner->flags & BFD_IS_RELAXABLE))
|
|
{
|
|
einfo("%B: not assembled with -linkrelax\n", i->owner);
|
|
}
|
|
|
|
return bfd_relax_section(i->owner, i, is->ifile->asymbols);
|
|
|
|
}
|
|
|