/* BFD back-end for IBM RS/6000 "XCOFF64" files.
- Copyright 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Written Clinton Popetz.
Contributed by Cygnus Support.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
extern bfd_boolean _bfd_xcoff_write_archive_contents
PARAMS ((bfd *));
extern int _bfd_xcoff_sizeof_headers
- PARAMS ((bfd *, bfd_boolean));
+ PARAMS ((bfd *, struct bfd_link_info *));
extern void _bfd_xcoff_swap_sym_in
PARAMS ((bfd *, PTR, PTR));
extern unsigned int _bfd_xcoff_swap_sym_out
static bfd *xcoff64_openr_next_archived_file
PARAMS ((bfd *, bfd *));
static int xcoff64_sizeof_headers
- PARAMS ((bfd *, bfd_boolean));
+ PARAMS ((bfd *, struct bfd_link_info *));
static asection *xcoff64_create_csect_from_smclas
PARAMS ((bfd *, union internal_auxent *, const char *));
static bfd_boolean xcoff64_is_lineno_count_overflow
#define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data
#define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
#define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup xcoff64_reloc_name_lookup
#ifdef AIX_CORE
extern const bfd_target * rs6000coff_core_p
PARAMS ((bfd *abfd));
#define coff_swap_reloc_out xcoff64_swap_reloc_out
#define NO_COFF_RELOCS
+#ifndef bfd_pe_print_pdata
+#define bfd_pe_print_pdata NULL
+#endif
+
#include "coffcode.h"
/* For XCOFF64, the effective width of symndx changes depending on
file_ptr sym_base;
unsigned long reloc_size = 0;
unsigned long lnno_size = 0;
- bfd_boolean long_section_names;
asection *text_sec = ((void *) 0);
asection *data_sec = ((void *) 0);
asection *bss_sec = ((void *) 0);
if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
return FALSE;
- long_section_names = FALSE;
for (current = abfd->sections; current != NULL; current = current->next)
{
struct internal_scnhdr section;
case bfd_arch_powerpc:
if (bfd_get_mach (abfd) == bfd_mach_ppc)
internal_a.o_cputype = 3;
+ else if (bfd_get_mach (abfd) == bfd_mach_ppc_620)
+ internal_a.o_cputype = 2;
else
internal_a.o_cputype = 1;
break;
bfd_byte *contents;
{
struct xcoff_link_hash_entry *h;
+ bfd_vma section_offset;
if (0 > rel->r_symndx)
return FALSE;
h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx];
+ section_offset = rel->r_vaddr - input_section->vma;
/* If we see an R_BR or R_RBR reloc which is jumping to global
linkage code, and it is followed by an appropriate cror nop
cror. */
if (NULL != h
&& bfd_link_hash_defined == h->root.type
- && rel->r_vaddr - input_section->vma + 8 <= input_section->size)
+ && section_offset + 8 <= input_section->size)
{
bfd_byte *pnext;
unsigned long next;
- pnext = contents + (rel->r_vaddr - input_section->vma) + 4;
+ pnext = contents + section_offset + 4;
next = bfd_get_32 (input_bfd, pnext);
/* The _ptrgl function is magic. It is used by the AIX compiler to call
howto->complain_on_overflow = complain_overflow_dont;
}
- howto->pc_relative = TRUE;
+ /* The original PC-relative relocation is biased by -r_vaddr, so adding
+ the value below will give the absolute target address. */
+ *relocation = val + addend + rel->r_vaddr;
+
howto->src_mask &= ~3;
howto->dst_mask = howto->src_mask;
- /* A PC relative reloc includes the section address. */
- addend += input_section->vma;
-
- *relocation = val + addend;
- *relocation -= (input_section->output_section->vma
- + input_section->output_offset);
+ if (h != NULL
+ && h->root.type == bfd_link_hash_defined
+ && bfd_is_abs_section (h->root.u.def.section)
+ && section_offset + 4 <= input_section->size)
+ {
+ bfd_byte *ptr;
+ bfd_vma insn;
+
+ /* Turn the relative branch into an absolute one by setting the
+ AA bit. */
+ ptr = contents + section_offset;
+ insn = bfd_get_32 (input_bfd, ptr);
+ insn |= 2;
+ bfd_put_32 (input_bfd, insn, ptr);
+
+ /* Make the howto absolute too. */
+ howto->pc_relative = FALSE;
+ howto->complain_on_overflow = complain_overflow_bitfield;
+ }
+ else
+ {
+ /* Use a PC-relative howto and subtract the instruction's address
+ from the target address we calculated above. */
+ howto->pc_relative = TRUE;
+ *relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + section_offset);
+ }
return TRUE;
}
}
}
+static reloc_howto_type *
+xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]);
+ i++)
+ if (xcoff64_howto_table[i].name != NULL
+ && strcasecmp (xcoff64_howto_table[i].name, r_name) == 0)
+ return &xcoff64_howto_table[i];
+
+ return NULL;
+}
+
/* Read in the armap of an XCOFF archive. */
static bfd_boolean
always uses an a.out header. */
static int
-xcoff64_sizeof_headers (abfd, reloc)
- bfd *abfd;
- bfd_boolean reloc ATTRIBUTE_UNUSED;
+xcoff64_sizeof_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
int size;
LINESZ,
FILNMLEN,
TRUE, /* _bfd_coff_long_filenames */
- FALSE, /* _bfd_coff_long_section_names */
+ XCOFF_NO_LONG_SECTION_NAMES, /* _bfd_coff_long_section_names */
3, /* _bfd_coff_default_section_alignment_power */
TRUE, /* _bfd_coff_force_symnames_in_strings */
4, /* _bfd_coff_debug_string_prefix_length */
coff_print_aux,
dummy_reloc16_extra_cases,
dummy_reloc16_estimate,
- NULL, /* bfd_coff_sym_is_global */
+ NULL, /* bfd_coff_symbol_classification */
coff_compute_section_file_positions,
NULL, /* _bfd_coff_start_final_link */
xcoff64_ppc_relocate_section,
NULL, /* _bfd_coff_adjust_symndx */
_bfd_generic_link_add_one_symbol,
coff_link_output_has_begun,
- coff_final_link_postscript
+ coff_final_link_postscript,
+ NULL /* print_pdata. */
},
0x01EF, /* magic number */
coff_get_reloc_upper_bound,
coff_canonicalize_reloc,
xcoff64_reloc_type_lookup,
+ xcoff64_reloc_name_lookup,
/* Write */
coff_set_arch_mach,
_bfd_generic_link_split_section,
bfd_generic_gc_sections,
bfd_generic_merge_sections,
- _bfd_generic_match_sections_by_type,
bfd_generic_is_group_section,
bfd_generic_discard_group,
_bfd_generic_section_already_linked,
LINESZ,
FILNMLEN,
TRUE, /* _bfd_coff_long_filenames */
- FALSE, /* _bfd_coff_long_section_names */
+ XCOFF_NO_LONG_SECTION_NAMES, /* _bfd_coff_long_section_names */
3, /* _bfd_coff_default_section_alignment_power */
TRUE, /* _bfd_coff_force_symnames_in_strings */
4, /* _bfd_coff_debug_string_prefix_length */
NULL, /* _bfd_coff_adjust_symndx */
_bfd_generic_link_add_one_symbol,
coff_link_output_has_begun,
- coff_final_link_postscript
+ coff_final_link_postscript,
+ NULL /* print_pdata. */
},
U64_TOCMAGIC, /* magic number */
coff_get_reloc_upper_bound,
coff_canonicalize_reloc,
xcoff64_reloc_type_lookup,
+ xcoff64_reloc_name_lookup,
/* Write */
coff_set_arch_mach,
_bfd_generic_link_split_section,
bfd_generic_gc_sections,
bfd_generic_merge_sections,
- _bfd_generic_match_sections_by_type,
bfd_generic_is_group_section,
bfd_generic_discard_group,
_bfd_generic_section_already_linked,
projects / deliverable / binutils-gdb.git / blobdiff