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Diffstat (limited to 'bfd/elfxx-mips.c')
-rw-r--r--bfd/elfxx-mips.c97
1 files changed, 85 insertions, 12 deletions
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 555f021..6f686bb 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -1,6 +1,6 @@
/* MIPS-specific support for ELF
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Most of the information added by Ian Lance Taylor, Cygnus Support,
<ian@cygnus.com>.
@@ -247,7 +247,7 @@ struct _mips_elf_section_data
#define is_mips_elf(bfd) \
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
&& elf_tdata (bfd) != NULL \
- && elf_object_id (bfd) == MIPS_ELF_TDATA)
+ && elf_object_id (bfd) == MIPS_ELF_DATA)
/* The ABI says that every symbol used by dynamic relocations must have
a global GOT entry. Among other things, this provides the dynamic
@@ -485,8 +485,15 @@ struct mips_elf_link_hash_table
asection *(*add_stub_section) (const char *, asection *, asection *);
};
+/* Get the MIPS ELF linker hash table from a link_info structure. */
+
+#define mips_elf_hash_table(p) \
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == MIPS_ELF_DATA ? ((struct mips_elf_link_hash_table *) ((p)->hash)) : NULL)
+
/* A structure used to communicate with htab_traverse callbacks. */
-struct mips_htab_traverse_info {
+struct mips_htab_traverse_info
+{
/* The usual link-wide information. */
struct bfd_link_info *info;
bfd *output_bfd;
@@ -1007,11 +1014,6 @@ static const bfd_vma mips_vxworks_shared_plt_entry[] =
(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
(info)))
-/* Get the MIPS ELF linker hash table from a link_info structure. */
-
-#define mips_elf_hash_table(p) \
- ((struct mips_elf_link_hash_table *) ((p)->hash))
-
/* Find the base offsets for thread-local storage in this object,
for GD/LD and IE/LE respectively. */
@@ -1549,6 +1551,9 @@ _bfd_mips_elf_init_stubs (struct bfd_link_info *info,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
htab->add_stub_section = fn;
htab->la25_stubs = htab_try_create (1, mips_elf_la25_stub_hash,
mips_elf_la25_stub_eq, NULL);
@@ -1589,6 +1594,8 @@ mips_elf_add_la25_intro (struct mips_elf_la25_stub *stub,
unsigned int align;
htab = mips_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Create a unique name for the new section. */
name = bfd_malloc (11 + sizeof (".text.stub."));
@@ -1632,6 +1639,8 @@ mips_elf_add_la25_trampoline (struct mips_elf_la25_stub *stub,
asection *s;
htab = mips_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Create a trampoline section, if we haven't already. */
s = htab->strampoline;
@@ -1682,6 +1691,9 @@ mips_elf_add_la25_stub (struct bfd_link_info *info,
/* See if we've already created an equivalent stub. */
htab = mips_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
slot = htab_find_slot (htab->la25_stubs, &search, INSERT);
if (slot == NULL)
return FALSE;
@@ -2854,6 +2866,9 @@ mips_elf_initialize_tls_slots (bfd *abfd, bfd_vma got_offset,
bfd_boolean need_relocs = FALSE;
htab = mips_elf_hash_table (info);
+ if (htab == NULL)
+ return;
+
sgot = htab->sgot;
indx = 0;
@@ -3013,6 +3028,8 @@ mips_elf_gotplt_index (struct bfd_link_info *info,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
BFD_ASSERT (h->plt.offset != (bfd_vma) -1);
/* This function only works for VxWorks, because a non-VxWorks .got.plt
@@ -3049,6 +3066,8 @@ mips_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
struct mips_got_entry *entry;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
entry = mips_elf_create_local_got_entry (abfd, info, ibfd, value,
r_symndx, h, r_type);
if (!entry)
@@ -3081,6 +3100,8 @@ mips_elf_global_got_index (bfd *abfd, bfd *ibfd, struct elf_link_hash_entry *h,
long global_got_dynindx = 0;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
gg = g = htab->got_info;
if (g->bfd2got && ibfd)
{
@@ -3220,6 +3241,8 @@ mips_elf_got_offset_from_index (struct bfd_link_info *info, bfd *output_bfd,
bfd_vma gp;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
sgot = htab->sgot;
gp = _bfd_get_gp_value (output_bfd)
+ mips_elf_adjust_gp (output_bfd, htab->got_info, input_bfd);
@@ -3244,6 +3267,7 @@ mips_elf_create_local_got_entry (bfd *abfd, struct bfd_link_info *info,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
entry.abfd = NULL;
entry.symndx = -1;
@@ -3379,6 +3403,8 @@ mips_elf_sort_hash_table (bfd *abfd, struct bfd_link_info *info)
return TRUE;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
g = htab->got_info;
if (g == NULL)
return TRUE;
@@ -3465,6 +3491,8 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
struct mips_got_info *g;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
hmips = (struct mips_elf_link_hash_entry *) h;
/* A global symbol in the GOT must also be in the dynamic symbol
@@ -3531,6 +3559,8 @@ mips_elf_record_local_got_symbol (bfd *abfd, long symndx, bfd_vma addend,
struct mips_got_entry entry, **loc;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
g = htab->got_info;
BFD_ASSERT (g != NULL);
@@ -3613,6 +3643,8 @@ mips_elf_record_got_page_entry (struct bfd_link_info *info, bfd *abfd,
void **loc;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
g = htab->got_info;
BFD_ASSERT (g != NULL);
@@ -3704,6 +3736,8 @@ mips_elf_allocate_dynamic_relocations (bfd *abfd, struct bfd_link_info *info,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
s = mips_elf_rel_dyn_section (info, FALSE);
BFD_ASSERT (s != NULL);
@@ -4243,6 +4277,8 @@ mips_elf_forbid_lazy_stubs (void **entryp, void *data)
entry = (struct mips_got_entry *) *entryp;
info = (struct bfd_link_info *) data;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
if (entry->abfd != NULL
&& entry->symndx == -1
&& entry->d.h->needs_lazy_stub)
@@ -4290,6 +4326,8 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info,
dynobj = elf_hash_table (info)->dynobj;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
g = htab->got_info;
g->bfd2got = htab_try_create (1, mips_elf_bfd2got_entry_hash,
mips_elf_bfd2got_entry_eq, NULL);
@@ -4664,6 +4702,7 @@ mips_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
/* This function may be called more than once. */
if (htab->sgot)
@@ -4845,6 +4884,7 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
dynobj = elf_hash_table (info)->dynobj;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
/* Parse the relocation. */
r_symndx = ELF_R_SYM (input_bfd, relocation->r_info);
@@ -5680,6 +5720,8 @@ mips_elf_create_dynamic_relocation (bfd *output_bfd,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
r_type = ELF_R_TYPE (output_bfd, rel->r_info);
dynobj = elf_hash_table (info)->dynobj;
sreloc = mips_elf_rel_dyn_section (info, FALSE);
@@ -6869,6 +6911,8 @@ _bfd_mips_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED | SEC_READONLY);
@@ -7205,6 +7249,8 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
return TRUE;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
dynobj = elf_hash_table (info)->dynobj;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
@@ -8078,6 +8124,8 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
dynobj = elf_hash_table (info)->dynobj;
hmips = (struct mips_elf_link_hash_entry *) h;
@@ -8154,6 +8202,8 @@ _bfd_mips_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
dynobj = elf_hash_table (info)->dynobj;
hmips = (struct mips_elf_link_hash_entry *) h;
@@ -8348,6 +8398,7 @@ _bfd_mips_elf_always_size_sections (bfd *output_bfd,
struct mips_htab_traverse_info hti;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
/* The .reginfo section has a fixed size. */
ri = bfd_get_section_by_name (output_bfd, ".reginfo");
@@ -8380,6 +8431,8 @@ mips_elf_lay_out_got (bfd *output_bfd, struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
s = htab->sgot;
if (s == NULL)
return TRUE;
@@ -8505,6 +8558,8 @@ mips_elf_estimate_stub_size (bfd *output_bfd, struct bfd_link_info *info)
bfd_size_type dynsymcount;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
if (htab->lazy_stub_count == 0)
return;
@@ -8556,12 +8611,13 @@ mips_elf_lay_out_lazy_stubs (struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
if (htab->lazy_stub_count == 0)
return;
htab->sstubs->size = 0;
- mips_elf_link_hash_traverse (mips_elf_hash_table (info),
- mips_elf_allocate_lazy_stub, htab);
+ mips_elf_link_hash_traverse (htab, mips_elf_allocate_lazy_stub, htab);
htab->sstubs->size += htab->function_stub_size;
BFD_ASSERT (htab->sstubs->size
== htab->lazy_stub_count * htab->function_stub_size);
@@ -8579,6 +8635,7 @@ _bfd_mips_elf_size_dynamic_sections (bfd *output_bfd,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL);
@@ -9138,6 +9195,7 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
BFD_ASSERT (name != NULL);
if (!htab->small_data_overflow_reported
&& (howto->type == R_MIPS_GPREL16
@@ -9243,6 +9301,7 @@ mips_elf_create_la25_stub (void **slot, void *data)
stub = (struct mips_elf_la25_stub *) *slot;
hti = (struct mips_htab_traverse_info *) data;
htab = mips_elf_hash_table (hti->info);
+ BFD_ASSERT (htab != NULL);
/* Create the section contents, if we haven't already. */
s = stub->stub_section;
@@ -9357,6 +9416,7 @@ _bfd_mips_elf_finish_dynamic_symbol (bfd *output_bfd,
struct mips_elf_link_hash_entry *hmips;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
dynobj = elf_hash_table (info)->dynobj;
hmips = (struct mips_elf_link_hash_entry *) h;
@@ -9696,6 +9756,7 @@ _bfd_mips_vxworks_finish_dynamic_symbol (bfd *output_bfd,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
dynobj = elf_hash_table (info)->dynobj;
if (h->plt.offset != (bfd_vma) -1)
@@ -9863,6 +9924,8 @@ mips_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
if (ABI_64_P (output_bfd))
plt_entry = mips_n64_exec_plt0_entry;
else if (ABI_N32_P (output_bfd))
@@ -9906,6 +9969,8 @@ mips_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
plt_entry = mips_vxworks_exec_plt0_entry;
/* Calculate the value of _GLOBAL_OFFSET_TABLE_. */
@@ -9976,6 +10041,7 @@ mips_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
/* We just need to copy the entry byte-by-byte. */
for (i = 0; i < ARRAY_SIZE (mips_vxworks_shared_plt0_entry); i++)
@@ -9996,6 +10062,8 @@ _bfd_mips_elf_finish_dynamic_sections (bfd *output_bfd,
struct mips_elf_link_hash_table *htab;
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
dynobj = elf_hash_table (info)->dynobj;
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
@@ -11460,7 +11528,7 @@ bfd_boolean
_bfd_mips_elf_mkobject (bfd *abfd)
{
return bfd_elf_allocate_object (abfd, sizeof (struct elf_obj_tdata),
- MIPS_ELF_TDATA);
+ MIPS_ELF_DATA);
}
/* Create a MIPS ELF linker hash table. */
@@ -11477,7 +11545,8 @@ _bfd_mips_elf_link_hash_table_create (bfd *abfd)
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
mips_elf_link_hash_newfunc,
- sizeof (struct mips_elf_link_hash_entry)))
+ sizeof (struct mips_elf_link_hash_entry),
+ MIPS_ELF_DATA))
{
free (ret);
return NULL;
@@ -11582,6 +11651,8 @@ _bfd_mips_elf_final_link (bfd *abfd, struct bfd_link_info *info)
/* Sort the dynamic symbols so that those with GOT entries come after
those without. */
htab = mips_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
if (!mips_elf_sort_hash_table (abfd, info))
return FALSE;
@@ -12917,6 +12988,8 @@ _bfd_mips_post_process_headers (bfd *abfd, struct bfd_link_info *link_info)
if (link_info)
{
htab = mips_elf_hash_table (link_info);
+ BFD_ASSERT (htab != NULL);
+
if (htab->use_plts_and_copy_relocs && !htab->is_vxworks)
i_ehdrp->e_ident[EI_ABIVERSION] = 1;
}
generated by cgit v1.1 at 2024-08-12 23:59:19 +0000