/* write.c - emit .o file
- Copyright (C) 1986-2014 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
TC_INIT_FIX_DATA (fixP);
#endif
- as_where (&fixP->fx_file, &fixP->fx_line);
+ fixP->fx_file = as_where (&fixP->fx_line);
{
segT seg,
/* Alignment, as a power of 2 (e.g., 1 => 2-byte
boundary, 2 => 4-byte boundary, etc.) */
- int align)
+ unsigned int align)
{
if (seg == absolute_section)
return;
- if ((unsigned int) align > bfd_get_section_alignment (stdoutput, seg))
+ if (align > bfd_get_section_alignment (stdoutput, seg))
bfd_set_section_alignment (stdoutput, seg, align);
}
static void
install_reloc (asection *sec, arelent *reloc, fragS *fragp,
- char *file, unsigned int line)
+ const char *file, unsigned int line)
{
char *err;
bfd_reloc_status_type s;
&& r->u.b.r.address < f->fr_address + f->fr_fix)
return f;
+ for (f = seginfo->frchainP->frch_root; f != NULL; f = f->fr_next)
+ if (f->fr_address <= r->u.b.r.address
+ && r->u.b.r.address <= f->fr_address + f->fr_fix)
+ return f;
+
as_bad_where (r->file, r->line,
_("reloc not within (fixed part of) section"));
return NULL;
struct z_stream_s *strm;
int x;
flagword flags = bfd_get_section_flags (abfd, sec);
+ unsigned int header_size, compression_header_size;
if (seginfo == NULL
|| sec->size < 32
if (strm == NULL)
return;
- /* Create a new frag to contain the "ZLIB" header. */
+ if (flag_compress_debug == COMPRESS_DEBUG_GABI_ZLIB)
+ {
+ compression_header_size
+ = bfd_get_compression_header_size (stdoutput, NULL);
+ header_size = compression_header_size;
+ }
+ else
+ {
+ compression_header_size = 0;
+ header_size = 12;
+ }
+
+ /* Create a new frag to contain the compression header. */
first_newf = frag_alloc (ob);
- if (obstack_room (ob) < 12)
+ if (obstack_room (ob) < header_size)
first_newf = frag_alloc (ob);
- if (obstack_room (ob) < 12)
- as_fatal (_("can't extend frag %u chars"), 12);
+ if (obstack_room (ob) < header_size)
+ as_fatal (_("can't extend frag %u chars"), header_size);
last_newf = first_newf;
- obstack_blank_fast (ob, 12);
+ obstack_blank_fast (ob, header_size);
last_newf->fr_type = rs_fill;
- last_newf->fr_fix = 12;
+ last_newf->fr_fix = header_size;
header = last_newf->fr_literal;
- memcpy (header, "ZLIB", 4);
- header[11] = uncompressed_size; uncompressed_size >>= 8;
- header[10] = uncompressed_size; uncompressed_size >>= 8;
- header[9] = uncompressed_size; uncompressed_size >>= 8;
- header[8] = uncompressed_size; uncompressed_size >>= 8;
- header[7] = uncompressed_size; uncompressed_size >>= 8;
- header[6] = uncompressed_size; uncompressed_size >>= 8;
- header[5] = uncompressed_size; uncompressed_size >>= 8;
- header[4] = uncompressed_size;
- compressed_size = 12;
+ compressed_size = header_size;
/* Stream the frags through the compression engine, adding new frags
as necessary to accomodate the compressed output. */
break;
}
+ /* PR binutils/18087: If compression didn't make the section smaller,
+ just keep it uncompressed. */
+ if (compressed_size >= uncompressed_size)
+ return;
+
/* Replace the uncompressed frag list with the compressed frag list. */
seginfo->frchainP->frch_root = first_newf;
seginfo->frchainP->frch_last = last_newf;
/* Update the section size and its name. */
+ bfd_update_compression_header (abfd, (bfd_byte *) header, sec);
x = bfd_set_section_size (abfd, sec, compressed_size);
gas_assert (x);
- compressed_name = (char *) xmalloc (strlen (section_name) + 2);
- compressed_name[0] = '.';
- compressed_name[1] = 'z';
- strcpy (compressed_name + 2, section_name + 1);
- bfd_section_name (stdoutput, sec) = compressed_name;
+ if (!compression_header_size)
+ {
+ compressed_name = (char *) xmalloc (strlen (section_name) + 2);
+ compressed_name[0] = '.';
+ compressed_name[1] = 'z';
+ strcpy (compressed_name + 2, section_name + 1);
+ bfd_section_name (stdoutput, sec) = compressed_name;
+ }
}
static void
f->fr_literal, (file_ptr) offset,
(bfd_size_type) f->fr_fix);
if (!x)
- as_fatal (_("can't write %s: %s"), stdoutput->filename,
+ as_fatal (_("can't write %ld bytes to section %s of %s because: '%s'"),
+ (long) f->fr_fix, sec->name,
+ stdoutput->filename,
bfd_errmsg (bfd_get_error ()));
offset += f->fr_fix;
}
(file_ptr) offset,
(bfd_size_type) fill_size);
if (!x)
- as_fatal (_("can't write %s: %s"), stdoutput->filename,
+ as_fatal (_("can't fill %ld bytes in section %s of %s because '%s'"),
+ (long) fill_size, sec->name,
+ stdoutput->filename,
bfd_errmsg (bfd_get_error ()));
offset += fill_size;
}
(stdoutput, sec, buf, (file_ptr) offset,
(bfd_size_type) n_per_buf * fill_size);
if (!x)
- as_fatal (_("cannot write to output file '%s': %s"),
+ as_fatal (_("cannot fill %ld bytes in section %s of %s because: '%s'"),
+ (long)(n_per_buf * fill_size), sec->name,
stdoutput->filename,
bfd_errmsg (bfd_get_error ()));
offset += n_per_buf * fill_size;
of the section. This allows proper nop-filling at the end of
code-bearing sections. */
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \
- (!(FRCHAIN)->frch_next ? get_recorded_alignment (SEG) : 0)
+ (!(FRCHAIN)->frch_next && subseg_text_p (SEG) \
+ ? get_recorded_alignment (SEG) \
+ : 0)
#else
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
#endif
obj_frob_file_after_relocs ();
#endif
+#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
+ if (IS_ELF && flag_use_elf_stt_common)
+ stdoutput->flags |= BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON;
+#endif
+
/* Once all relocations have been written, we can compress the
contents of the debug sections. This needs to be done before
we start writing any sections, because it will affect the file
layout, which is fixed once we start writing contents. */
if (flag_compress_debug)
- bfd_map_over_sections (stdoutput, compress_debug, (char *) 0);
+ {
+ if (flag_compress_debug == COMPRESS_DEBUG_GABI_ZLIB)
+ stdoutput->flags |= BFD_COMPRESS | BFD_COMPRESS_GABI;
+ else
+ stdoutput->flags |= BFD_COMPRESS;
+ bfd_map_over_sections (stdoutput, compress_debug, (char *) 0);
+ }
bfd_map_over_sections (stdoutput, write_contents, (char *) 0);
}
/* Relax_align. Advance location counter to next address that has 'alignment'
lowest order bits all 0s, return size of adjustment made. */
static relax_addressT
-relax_align (register relax_addressT address, /* Address now. */
- register int alignment /* Alignment (binary). */)
+relax_align (relax_addressT address, /* Address now. */
+ int alignment /* Alignment (binary). */)
{
relax_addressT mask;
relax_addressT new_address;
projects / deliverable / binutils-gdb.git / blobdiff