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Fixes for .reloc

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This commit is contained in:
Kim Knuttila 1995-12-12 23:47:05 +00:00
parent aaa877b7ac
commit caa740beb8
3 changed files with 114 additions and 5 deletions
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23
bfd/coff-ppc.c
View File

@ -1132,8 +1132,17 @@ static boolean in_reloc_p(abfd, howto)
{
return
(! howto->pc_relative)
&& (howto->type != IMAGE_REL_PPC_ADDR32NB)
&& (howto->type != IMAGE_REL_PPC_TOCREL16)
&& (howto->type != IMAGE_REL_PPC_IMGLUE);
&& (howto->type != IMAGE_REL_PPC_IMGLUE)
&& (howto->type != IMAGE_REL_PPC_IFGLUE)
&& (howto->type != IMAGE_REL_PPC_SECREL)
&& (howto->type != IMAGE_REL_PPC_SECTION)
&& (howto->type != IMAGE_REL_PPC_SECREL16)
&& (howto->type != IMAGE_REL_PPC_REFHI)
&& (howto->type != IMAGE_REL_PPC_REFLO)
&& (howto->type != IMAGE_REL_PPC_PAIR)
&& (howto->type != IMAGE_REL_PPC_TOCREL16_DEFN) ;
}
/* this function is in charge of performing all the ppc PE relocations */
@ -1519,11 +1528,12 @@ coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section,
bfd_vma addr = toc_section->output_section->vma
+ toc_section->output_offset + our_toc_offset;
fprintf(stderr,
" Toc Section reloc candidate\n");
if (coff_data(output_bfd)->pe)
addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
fprintf(stderr,
" Toc Section .reloc candidate addr = %x\n", addr);
fwrite (&addr, 1,4, (FILE *) info->base_file);
}
@ -1722,11 +1732,14 @@ coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section,
+ input_section->output_offset
+ input_section->output_section->vma;
DUMP_RELOC2(howto->name, rel);
if (coff_data(output_bfd)->pe)
{
bfd_vma before_addr = addr;
addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
fprintf(stderr,
" adjusted down to %d", addr);
" adjusted down from %x to %x", before_addr, addr);
}
fprintf(stderr, "\n");

4
bfd/coffcode.h
View File

@ -981,6 +981,10 @@ coff_set_alignment_hook (abfd, section, scnhdr)
{
section->alignment_power = 1;
}
else if (strcmp (section->name, ".reloc") == 0)
{
section->alignment_power = 1;
}
#endif
}
#undef ALIGN_SET

92
bfd/peicode.h
View File

@ -1617,6 +1617,97 @@ pe_print_pdata(abfd, vfile)
free (data);
}
static const char *tbl[6] =
{
"ABSOLUTE",
"HIGH",
"LOW",
"HIGHLOW",
"HIGHADJ",
"unknown"
};
static boolean
pe_print_reloc(abfd, vfile)
bfd*abfd;
void *vfile;
{
FILE *file = vfile;
bfd_byte *data = 0;
asection *section = bfd_get_section_by_name (abfd, ".reloc");
bfd_size_type datasize = 0;
bfd_size_type i;
bfd_size_type start, stop;
int onaline = 20;
bfd_vma addr_value;
if (section == 0)
return true;
if (bfd_section_size (abfd, section) == 0)
return true;
fprintf(file,
"\n\nPE File Base Relocations (interpreted .reloc"
" section contents)\n");
data = (bfd_byte *) bfd_malloc ((size_t) bfd_section_size (abfd, section));
datasize = bfd_section_size (abfd, section);
if (data == NULL && datasize != 0)
return false;
bfd_get_section_contents (abfd,
section,
(PTR) data, 0,
bfd_section_size (abfd, section));
start = 0;
stop = bfd_section_size (abfd, section);
for (i = start; i < stop;)
{
int j;
bfd_vma virtual_address;
long number, size;
/* The .reloc section is a sequence of blocks, with a header consisting
of two 32 bit quantities, followed by a number of 16 bit entries */
virtual_address = bfd_get_32(abfd, data+i);
size = bfd_get_32(abfd, data+i+4);
number = (size - 8) / 2;
if (size == 0)
{
break;
}
fprintf (file,
"\nVirtual Address: %08lx Chunk size %d (0x%x) "
"Number of fixups %d\n",
virtual_address, size, size, number);
for (j = 0; j < number; ++j)
{
unsigned short e = bfd_get_16(abfd, data + i + 8 + j*2);
int t = (e & 0xF000) >> 12;
int off = e & 0x0FFF;
if (t > 5)
abort();
fprintf(file,
"\treloc %4d offset %4x [%4x] %s\n",
j, off, off+virtual_address, tbl[t]);
}
i += size;
}
free (data);
}
static boolean
pe_print_private_bfd_data (abfd, vfile)
bfd *abfd;
@ -1668,6 +1759,7 @@ pe_print_private_bfd_data (abfd, vfile)
pe_print_idata(abfd, vfile);
pe_print_edata(abfd, vfile);
pe_print_pdata(abfd, vfile);
pe_print_reloc(abfd, vfile);
return true;
}