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binutils-gdb
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* elf.c (map_sections_to_segments): Fix up the test for -Ttext to 

approximate the correct answer if SIZEOF_HEADERS was not used.
This commit is contained in:
Ian Lance Taylor 1996-06-19 16:30:27 +00:00
parent 492b9bf044
commit 7fc6a16a7f
2 changed files with 117 additions and 8 deletions
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3
bfd/ChangeLog
View File

@ -1,5 +1,8 @@
Wed Jun 19 11:37:52 1996 Ian Lance Taylor <ian@cygnus.com>
* elf.c (map_sections_to_segments): Fix up the test for -Ttext to
approximate the correct answer if SIZEOF_HEADERS was not used.
* binary.c (binary_set_section_contents): Set section file
position based on LMA rather than VMA.

122
bfd/elf.c
View File

@ -1734,12 +1734,20 @@ map_sections_to_segments (abfd)
&& (dynsec->flags & SEC_LOAD) == 0)
dynsec = NULL;
/* Deal with -Ttext or something similar such that the
first section is not adjacent to the program headers. */
if (count
&& ((sections[0]->lma % maxpagesize) <
(elf_tdata (abfd)->program_header_size % maxpagesize)))
phdr_in_section = false;
/* Deal with -Ttext or something similar such that the first section
is not adjacent to the program headers. This is an
approximation, since at this point we don't know exactly how many
program headers we will need. */
if (count > 0)
{
bfd_size_type phdr_size;
phdr_size = elf_tdata (abfd)->program_header_size;
if (phdr_size == 0)
phdr_size = get_elf_backend_data (abfd)->s->sizeof_phdr;
if (sections[0]->lma % maxpagesize < phdr_size % maxpagesize)
phdr_in_section = false;
}
for (i = 0, hdrpp = sections; i < count; i++, hdrpp++)
{
@ -2582,9 +2590,9 @@ _bfd_elf_section_from_bfd_section (abfd, asect)
int
_bfd_elf_symbol_from_bfd_symbol (abfd, asym_ptr_ptr)
bfd *abfd;
struct symbol_cache_entry **asym_ptr_ptr;
asymbol **asym_ptr_ptr;
{
struct symbol_cache_entry *asym_ptr = *asym_ptr_ptr;
asymbol *asym_ptr = *asym_ptr_ptr;
int idx;
flagword flags = asym_ptr->flags;
@ -3316,3 +3324,101 @@ _bfd_elf_no_info_to_howto_rel (abfd, cache_ptr, dst)
abort ();
}
#endif
/* Try to convert a non-ELF reloc into an ELF one. */
boolean
_bfd_elf_validate_reloc (abfd, areloc)
bfd *abfd;
arelent *areloc;
{
/* Check whether we really have an ELF howto. */
if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec)
{
bfd_reloc_code_real_type code;
reloc_howto_type *howto;
/* Alien reloc: Try to determine its type to replace it with an
equivalent ELF reloc. */
if (areloc->howto->pc_relative)
{
switch (areloc->howto->bitsize)
{
case 8:
code = BFD_RELOC_8_PCREL;
break;
case 12:
code = BFD_RELOC_12_PCREL;
break;
case 16:
code = BFD_RELOC_16_PCREL;
break;
case 24:
code = BFD_RELOC_24_PCREL;
break;
case 32:
code = BFD_RELOC_32_PCREL;
break;
case 64:
code = BFD_RELOC_64_PCREL;
break;
default:
goto fail;
}
howto = bfd_reloc_type_lookup (abfd, code);
if (areloc->howto->pcrel_offset != howto->pcrel_offset)
{
if (howto->pcrel_offset)
areloc->addend += areloc->address;
else
areloc->addend -= areloc->address; /* addend is unsigned!! */
}
}
else
{
switch (areloc->howto->bitsize)
{
case 8:
code = BFD_RELOC_8;
break;
case 14:
code = BFD_RELOC_14;
break;
case 16:
code = BFD_RELOC_16;
break;
case 26:
code = BFD_RELOC_26;
break;
case 32:
code = BFD_RELOC_32;
break;
case 64:
code = BFD_RELOC_64;
break;
default:
goto fail;
}
howto = bfd_reloc_type_lookup (abfd, code);
}
if (howto)
areloc->howto = howto;
else
goto fail;
}
return true;
fail:
(*_bfd_error_handler)
("%s: unsupported relocation type %s",
bfd_get_filename (abfd), areloc->howto->name);
bfd_set_error (bfd_error_bad_value);
return false;
}