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Diffstat (limited to 'bfd/elf64-mmix.c')
-rw-r--r--bfd/elf64-mmix.c75
1 files changed, 50 insertions, 25 deletions
diff --git a/bfd/elf64-mmix.c b/bfd/elf64-mmix.c
index 3cca228eade..a7b28065f75 100644
--- a/bfd/elf64-mmix.c
+++ b/bfd/elf64-mmix.c
@@ -1,5 +1,5 @@
/* MMIX-specific support for 64-bit ELF.
- Copyright 2001, 2002 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Hans-Peter Nilsson <hp@bitrange.com>
This file is part of BFD, the Binary File Descriptor library.
@@ -41,8 +41,21 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
_bfd_abort (__FILE__, __LINE__, \
"bad case for " #x)
+struct _mmix_elf_section_data
+{
+ struct bfd_elf_section_data elf;
+ union
+ {
+ struct bpo_reloc_section_info *reloc;
+ struct bpo_greg_section_info *greg;
+ } bpo;
+};
+
+#define mmix_elf_section_data(sec) \
+ ((struct _mmix_elf_section_data *) (sec)->used_by_bfd)
+
/* For each section containing a base-plus-offset (BPO) reloc, we attach
- this struct as elf_section_data (section)->tdata, which is otherwise
+ this struct as mmix_elf_section_data (section)->bpo, which is otherwise
NULL. */
struct bpo_reloc_section_info
{
@@ -83,7 +96,7 @@ struct bpo_reloc_request
bfd_boolean valid;
};
-/* We attach this as elf_section_data (sec)->tdata in the linker-allocated
+/* We attach this as mmix_elf_section_data (sec)->bpo in the linker-allocated
greg contents section (MMIX_LD_ALLOCATED_REG_CONTENTS_SECTION_NAME),
which is linked into the register contents section
(MMIX_REG_CONTENTS_SECTION_NAME). This section is created by the
@@ -135,6 +148,9 @@ static void mmix_info_to_howto_rela
static int mmix_elf_sort_relocs PARAMS ((const PTR, const PTR));
+static bfd_boolean mmix_elf_new_section_hook
+ PARAMS ((bfd *, asection *));
+
static bfd_boolean mmix_elf_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
@@ -795,6 +811,22 @@ bfd_elf64_bfd_reloc_type_lookup (abfd, code)
return NULL;
}
+static bfd_boolean
+mmix_elf_new_section_hook (abfd, sec)
+ bfd *abfd;
+ asection *sec;
+{
+ struct _mmix_elf_section_data *sdata;
+ bfd_size_type amt = sizeof (*sdata);
+
+ sdata = (struct _mmix_elf_section_data *) bfd_zalloc (abfd, amt);
+ if (sdata == NULL)
+ return FALSE;
+ sec->used_by_bfd = (PTR) sdata;
+
+ return _bfd_elf_new_section_hook (abfd, sec);
+}
+
/* This function performs the actual bitfiddling and sanity check for a
final relocation. Each relocation gets its *worst*-case expansion
@@ -983,13 +1015,11 @@ mmix_elf_perform_relocation (isec, howto, datap, addr, value)
case R_MMIX_BASE_PLUS_OFFSET:
{
struct bpo_reloc_section_info *bpodata
- = (struct bpo_reloc_section_info *)
- elf_section_data (isec)->tdata;
+ = mmix_elf_section_data (isec)->bpo.reloc;
asection *bpo_greg_section
= bpodata->bpo_greg_section;
struct bpo_greg_section_info *gregdata
- = (struct bpo_greg_section_info *)
- elf_section_data (bpo_greg_section)->tdata;
+ = mmix_elf_section_data (bpo_greg_section)->bpo.greg;
size_t bpo_index
= gregdata->bpo_reloc_indexes[bpodata->bpo_index++];
@@ -1573,8 +1603,7 @@ mmix_elf_gc_sweep_hook (abfd, info, sec, relocs)
const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
{
struct bpo_reloc_section_info *bpodata
- = (struct bpo_reloc_section_info *)
- elf_section_data (sec)->tdata;
+ = mmix_elf_section_data (sec)->bpo.reloc;
asection *allocated_gregs_section;
/* If no bpodata here, we have nothing to do. */
@@ -1583,9 +1612,7 @@ mmix_elf_gc_sweep_hook (abfd, info, sec, relocs)
allocated_gregs_section = bpodata->bpo_greg_section;
- ((struct bpo_greg_section_info *)
- elf_section_data (allocated_gregs_section)->tdata)
- ->n_bpo_relocs
+ mmix_elf_section_data (allocated_gregs_section)->bpo.greg->n_bpo_relocs
-= bpodata->n_bpo_relocs_this_section;
return TRUE;
@@ -1698,10 +1725,12 @@ mmix_elf_check_common_relocs (abfd, info, sec, relocs)
bfd_zalloc (bpo_greg_owner, sizeof (struct bpo_greg_section_info));
if (gregdata == NULL)
return FALSE;
- elf_section_data (allocated_gregs_section)->tdata = gregdata;
+ mmix_elf_section_data (allocated_gregs_section)->bpo.greg
+ = gregdata;
}
else if (gregdata == NULL)
- gregdata = elf_section_data (allocated_gregs_section)->tdata;
+ gregdata
+ = mmix_elf_section_data (allocated_gregs_section)->bpo.greg;
/* Get ourselves some auxiliary info for the BPO-relocs. */
if (bpodata == NULL)
@@ -1714,7 +1743,7 @@ mmix_elf_check_common_relocs (abfd, info, sec, relocs)
* (sec->reloc_count + 1));
if (bpodata == NULL)
return FALSE;
- elf_section_data (sec)->tdata = bpodata;
+ mmix_elf_section_data (sec)->bpo.reloc = bpodata;
bpodata->first_base_plus_offset_reloc
= bpodata->bpo_index
= gregdata->n_max_bpo_relocs;
@@ -2084,8 +2113,7 @@ _bfd_mmix_prepare_linker_allocated_gregs (abfd, info)
return TRUE;
/* We use the target-data handle in the ELF section data. */
- gregdata = (struct bpo_greg_section_info *)
- elf_section_data (bpo_gregs_section)->tdata;
+ gregdata = mmix_elf_section_data (bpo_gregs_section)->bpo.greg;
if (gregdata == NULL)
return FALSE;
@@ -2163,8 +2191,7 @@ _bfd_mmix_finalize_linker_allocated_gregs (abfd, link_info)
/* We use the target-data handle in the ELF section data. */
- gregdata = (struct bpo_greg_section_info *)
- elf_section_data (bpo_gregs_section)->tdata;
+ gregdata = mmix_elf_section_data (bpo_gregs_section)->bpo.greg;
if (gregdata == NULL)
return FALSE;
@@ -2260,8 +2287,7 @@ mmix_dump_bpo_gregs (link_info, pf)
if (bpo_gregs_section == NULL)
return;
- gregdata = (struct bpo_greg_section_info *)
- elf_section_data (bpo_gregs_section)->tdata;
+ gregdata = mmix_elf_section_data (bpo_gregs_section)->bpo.greg;
if (gregdata == NULL)
return;
@@ -2313,8 +2339,7 @@ mmix_elf_relax_section (abfd, sec, link_info, again)
asection *bpo_gregs_section = NULL;
struct bpo_greg_section_info *gregdata;
struct bpo_reloc_section_info *bpodata
- = (struct bpo_reloc_section_info *)
- elf_section_data (sec)->tdata;
+ = mmix_elf_section_data (sec)->bpo.reloc;
size_t bpono;
bfd *bpo_greg_owner;
Elf_Internal_Sym *isymbuf = NULL;
@@ -2343,8 +2368,7 @@ mmix_elf_relax_section (abfd, sec, link_info, again)
bpo_greg_owner = (bfd *) link_info->base_file;
bpo_gregs_section = bpodata->bpo_greg_section;
- gregdata = (struct bpo_greg_section_info *)
- elf_section_data (bpo_gregs_section)->tdata;
+ gregdata = mmix_elf_section_data (bpo_gregs_section)->bpo.greg;
bpono = bpodata->first_base_plus_offset_reloc;
@@ -2560,6 +2584,7 @@ mmix_elf_relax_section (abfd, sec, link_info, again)
#define elf_backend_section_from_bfd_section \
mmix_elf_section_from_bfd_section
+#define bfd_elf64_new_section_hook mmix_elf_new_section_hook
#define bfd_elf64_bfd_final_link mmix_elf_final_link
#define bfd_elf64_bfd_relax_section mmix_elf_relax_section