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* elf-bfd.h (struct elf_link_hash_entry): Reorganise for better

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packing.
This commit is contained in:
Alan Modra 2001-10-04 12:30:26 +00:00
parent 3a6b859720
commit a90b9fca6f
2 changed files with 29 additions and 26 deletions
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3
bfd/ChangeLog
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@ -1,5 +1,8 @@
2001-10-04 Alan Modra <amodra@bigpond.net.au>
* elf-bfd.h (struct elf_link_hash_entry): Reorganise for better
packing.
* elf32-mips.c (mips_elf_record_global_got_symbol): Set got.offset
to 1 rather than 0 to avoid confusing copy_indirect_symbol.
(mips_elf_sort_hash_table_f): Compare got.offset against 1.

52
bfd/elf-bfd.h
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@ -89,9 +89,6 @@ struct elf_link_hash_entry
set to -2 if the symbol is used by a reloc. */
long indx;
/* Symbol size. */
bfd_size_type size;
/* Symbol index as a dynamic symbol. Initialized to -1, and remains
-1 if this is not a dynamic symbol. */
/* ??? Note that this is consistently used as a synonym for tests
@ -109,31 +106,14 @@ struct elf_link_hash_entry
/* String table index in .dynstr if this is a dynamic symbol. */
unsigned long dynstr_index;
/* Hash value of the name computed using the ELF hash function. */
unsigned long elf_hash_value;
/* If this is a weak defined symbol from a dynamic object, this
field points to a defined symbol with the same value, if there is
one. Otherwise it is NULL. */
struct elf_link_hash_entry *weakdef;
/* If this symbol requires an entry in the global offset table, the
processor specific backend uses this field to track usage and
final offset. We use a union and two names primarily to document
the intent of any particular piece of code. The field should be
used as a count until size_dynamic_sections, at which point the
contents of the .got is fixed. Afterward, if this field is -1,
then the symbol does not require a global offset table entry. */
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} got;
/* Same, but tracks a procedure linkage table entry. */
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} plt;
/* If this symbol is used in the linker created sections, the processor
specific backend uses this field to map the field into the offset
from the beginning of the section. */
@ -162,15 +142,35 @@ struct elf_link_hash_entry
/* Virtual table derivation info. */
struct elf_link_hash_entry *vtable_parent;
/* If this symbol requires an entry in the global offset table, the
processor specific backend uses this field to track usage and
final offset. We use a union and two names primarily to document
the intent of any particular piece of code. The field should be
used as a count until size_dynamic_sections, at which point the
contents of the .got is fixed. Afterward, if this field is -1,
then the symbol does not require a global offset table entry. */
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} got;
/* Same, but tracks a procedure linkage table entry. */
union
{
bfd_signed_vma refcount;
bfd_vma offset;
} plt;
/* Symbol size. */
bfd_size_type size;
/* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
char type;
/* Symbol st_other value, symbol visibility. */
unsigned char other;
/* Hash value of the name computed using the ELF hash function. */
unsigned long elf_hash_value;
/* Some flags; legal values follow. */
unsigned short elf_link_hash_flags;
/* Symbol is referenced by a non-shared object. */