/* Matsushita 10300 specific support for 32-bit ELF
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
struct mn10300_reloc_map
{
- unsigned char bfd_reloc_val;
+ bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
static void
mn10300_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf32_Internal_Rela *dst;
{
static asection *
mn10300_elf_gc_mark_hook (abfd, info, rel, h, sym)
bfd *abfd;
- struct bfd_link_info *info;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
Elf_Internal_Rela *rel;
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
case bfd_link_hash_common:
return h->root.u.c.p->section;
+
+ default:
+ break;
}
}
}
addend, info, sym_sec, is_local)
reloc_howto_type *howto;
bfd *input_bfd;
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
asection *input_section;
bfd_byte *contents;
bfd_vma offset;
bfd_vma value;
bfd_vma addend;
- struct bfd_link_info *info;
- asection *sym_sec;
- int is_local;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ asection *sym_sec ATTRIBUTE_UNUSED;
+ int is_local ATTRIBUTE_UNUSED;
{
unsigned long r_type = howto->type;
bfd_byte *hit_data = contents + offset;
static boolean
elf32_mn10300_finish_hash_table_entry (gen_entry, in_args)
struct bfd_hash_entry *gen_entry;
- PTR in_args;
+ PTR in_args ATTRIBUTE_UNUSED;
{
struct elf32_mn10300_link_hash_entry *entry;
unsigned int byte_count = 0;
asection *sym_sec;
const char *sym_name;
char *new_name;
- Elf_Internal_Shdr *hdr;
/* Get cached copy of section contents if it exists. */
if (elf_section_data (section)->this_hdr.contents != NULL)
/* Tack on an ID so we can uniquely identify this
local symbol in the global hash table. */
- new_name = alloca (strlen (sym_name) + 10);
+ new_name = bfd_malloc (strlen (sym_name) + 10);
+ if (new_name == 0)
+ goto error_return;
+
sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
sym_name = new_name;
elf_link_hash_lookup (&hash_table->static_hash_table->root,
sym_name, true,
true, false);
+ free (new_name);
}
else
{
/* Tack on an ID so we can uniquely identify this
local symbol in the global hash table. */
- new_name = alloca (strlen (sym_name) + 10);
+ new_name = bfd_malloc (strlen (sym_name) + 10);
+ if (new_name == 0)
+ goto error_return;
+
sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
sym_name = new_name;
elf_link_hash_lookup (&hash_table->static_hash_table->root,
sym_name, true,
true, false);
+ free (new_name);
compute_function_info (input_bfd, hash,
isym.st_value, contents);
}
struct elf32_mn10300_link_hash_entry *sym_hash;
asection *sym_sec;
const char *sym_name;
- Elf_Internal_Shdr *hdr;
char *new_name;
bfd_elf32_swap_symbol_in (input_bfd, esym, &isym);
/* Tack on an ID so we can uniquely identify this
local symbol in the global hash table. */
- new_name = alloca (strlen (sym_name) + 10);
+ new_name = bfd_malloc (strlen (sym_name) + 10);
+ if (new_name == 0)
+ goto error_return;
sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
sym_name = new_name;
sym_name, false,
false, false);
+ free (new_name);
if (sym_hash == NULL)
continue;
{
Elf_Internal_Sym isym;
asection *sym_sec;
- Elf_Internal_Shdr *hdr;
const char *sym_name;
char *new_name;
/* Tack on an ID so we can uniquely identify this
local symbol in the global hash table. */
- new_name = alloca (strlen (sym_name) + 10);
+ new_name = bfd_malloc (strlen (sym_name) + 10);
+ if (new_name == 0)
+ goto error_return;
sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
sym_name = new_name;
h = (struct elf32_mn10300_link_hash_entry *)
elf_link_hash_lookup (&hash_table->static_hash_table->root,
sym_name, false, false, false);
+ free (new_name);
}
else
{
*again = true;
}
- /* start-sanitize-am33 */
- /* Try to turn a 24 immediate, displacement or absolute address
- into a 8 immediate, displacement or absolute address. */
- if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_24)
- {
- bfd_vma value = symval;
- value += irel->r_addend;
-
- /* See if the value will fit in 8 bits.
- if ((long)value < 0x7f && (long)value > -0x80)
- {
- unsigned char code;
-
- /* AM33 insns which have 24 operands are 6 bytes long and
- will have 0xfd as the first byte. */
-
- /* Get the first opcode. */
- code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
-
- if (code == 0xfd)
- {
- /* Get the second opcode. */
- code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
-
- if ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
- || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
- || (code & 0x0f) == 0x0e)
- {
- /* Not safe if the high bit is on as relaxing may
- move the value out of high mem and thus not fit
- in a signed 8bit value. This is currently over
- conservative. */
- if ((value & 0x80) == 0)
- {
- /* Note that we've changed the relocation contents,
- etc. */
- elf_section_data (sec)->relocs = internal_relocs;
- free_relocs = NULL;
-
- elf_section_data (sec)->this_hdr.contents = contents;
- free_contents = NULL;
-
- symtab_hdr->contents = (bfd_byte *) extsyms;
- free_extsyms = NULL;
-
- /* Fix the opcode. */
- bfd_put_8 (abfd, 0xfb, contents + irel->r_offset - 3);
- bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
-
- /* Fix the relocation's type. */
- irel->r_info
- = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
- R_MN10300_8);
-
- /* Delete two bytes of data. */
- if (!mn10300_elf_relax_delete_bytes (abfd, sec,
- irel->r_offset + 3, 2))
- goto error_return;
-
- /* That will change things, so, we should relax
- again. Note that this is not required, and it
- may be slow. */
- *again = true;
- break;
- }
- }
-
- }
- }
- }
- /* end-sanitize-am33 */
/* Try to turn a 32bit immediate, displacement or absolute address
into a 16bit immediate, displacement or absolute address. */
bfd_vma value = symval;
value += irel->r_addend;
- /* start-sanitize-am33 */
- /* See if the value will fit in 24 bits.
- We allow any 16bit match here. We prune those we can't
- handle below. */
- if ((long)value < 0x7fffff && (long)value > -0x800000)
- {
- unsigned char code;
-
- /* AM33 insns which have 32bit operands are 7 bytes long and
- will have 0xfe as the first byte. */
-
- /* Get the first opcode. */
- code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
-
- if (code == 0xfe)
- {
- /* Get the second opcode. */
- code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
-
- /* All the am33 32 -> 24 relaxing possibilities. */
- if ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
- || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
- || (code & 0x0f) == 0x0e)
- {
- /* Not safe if the high bit is on as relaxing may
- move the value out of high mem and thus not fit
- in a signed 16bit value. This is currently over
- conservative. */
- if ((value & 0x8000) == 0)
- {
- /* Note that we've changed the relocation contents,
- etc. */
- elf_section_data (sec)->relocs = internal_relocs;
- free_relocs = NULL;
-
- elf_section_data (sec)->this_hdr.contents = contents;
- free_contents = NULL;
-
- symtab_hdr->contents = (bfd_byte *) extsyms;
- free_extsyms = NULL;
-
- /* Fix the opcode. */
- bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 3);
- bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
-
- /* Fix the relocation's type. */
- irel->r_info
- = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
- R_MN10300_24);
-
- /* Delete one byte of data. */
- if (!mn10300_elf_relax_delete_bytes (abfd, sec,
- irel->r_offset + 3, 1))
- goto error_return;
-
- /* That will change things, so, we should relax
- again. Note that this is not required, and it
- may be slow. */
- *again = true;
- break;
- }
- }
-
- }
- }
- /* end-sanitize-am33 */
/* See if the value will fit in 16 bits.
We allow any 16bit match here. We prune those we can't
if (hash->movm_args & 0x08)
hash->movm_stack_size += 8 * 4;
- /* start-sanitize-am33 */
- if (bfd_get_mach (abfd) == bfd_mach_am33)
- {
- /* "exother" space. e0, e1, mdrq, mcrh, mcrl, mcvf */
- if (hash->movm_args & 0x1)
- hash->movm_stack_size += 6 * 4;
-
- /* exreg1 space. e4, e5, e6, e7 */
- if (hash->movm_args & 0x2)
- hash->movm_stack_size += 4 * 4;
-
- /* exreg0 space. e2, e3 */
- if (hash->movm_args & 0x4)
- hash->movm_stack_size += 2 * 4;
- }
- /* end-sanitize-am33 */
}
/* Now look for the two stack adjustment variants. */
default:
return bfd_mach_mn10300;
- /* start-sanitize-am33 */
- case E_MN10300_MACH_AM33:
- return bfd_mach_am33;
- /* end-sanitize-am33 */
}
}
void
_bfd_mn10300_elf_final_write_processing (abfd, linker)
bfd *abfd;
- boolean linker;
+ boolean linker ATTRIBUTE_UNUSED;
{
unsigned long val;
- unsigned int i;
- Elf_Internal_Shdr **hdrpp;
- const char *name;
- asection *sec;
switch (bfd_get_mach (abfd))
{
val = E_MN10300_MACH_MN10300;
break;
- /* start-sanitize-am33 */
- case bfd_mach_am33:
- val = E_MN10300_MACH_AM33;
- break;
- /* end-sanitize-am33 */
}
elf_elfheader (abfd)->e_flags &= ~ (EF_MN10300_MACH);