/* Matsushita 10300 specific support for 32-bit ELF
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "elf-bfd.h"
#include "elf/mn10300.h"
-struct elf32_mn10300_link_hash_entry
-{
+static bfd_reloc_status_type mn10300_elf_final_link_relocate
+ PARAMS ((reloc_howto_type *, bfd *, bfd *, asection *, bfd_byte *,
+ bfd_vma, bfd_vma, bfd_vma, struct bfd_link_info *,
+ asection *, int));
+static bfd_boolean mn10300_elf_relocate_section
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+ Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static bfd_boolean mn10300_elf_relax_section
+ PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
+static bfd_byte * mn10300_elf_get_relocated_section_contents
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
+ bfd_byte *, bfd_boolean, asymbol **));
+static unsigned long elf_mn10300_mach
+ PARAMS ((flagword));
+void _bfd_mn10300_elf_final_write_processing
+ PARAMS ((bfd *, bfd_boolean));
+bfd_boolean _bfd_mn10300_elf_object_p
+ PARAMS ((bfd *));
+bfd_boolean _bfd_mn10300_elf_merge_private_bfd_data
+ PARAMS ((bfd *,bfd *));
+
+struct elf32_mn10300_link_hash_entry {
/* The basic elf link hash table entry. */
struct elf_link_hash_entry root;
/* For function symbols, the size of this function's stack
(if <= 255 bytes). We stuff this into "call" instructions
- to this target when it's valid and profitable to do so. */
+ to this target when it's valid and profitable to do so.
+
+ This does not include stack allocated by movm! */
unsigned char stack_size;
/* For function symbols, arguments (if any) for movm instruction
to the target when it's valid and profitable to do so. */
unsigned char movm_args;
+ /* For funtion symbols, the amount of stack space that would be allocated
+ by the movm instruction. This is redundant with movm_args, but we
+ add it to the hash table to avoid computing it over and over. */
+ unsigned char movm_stack_size;
+
/* When set, convert all "call" instructions to this target into "calls"
instructions. */
#define MN10300_CONVERT_CALL_TO_CALLS 0x1
/* We derive a hash table from the main elf linker hash table so
we can store state variables and a secondary hash table without
resorting to global variables. */
-struct elf32_mn10300_link_hash_table
-{
+struct elf32_mn10300_link_hash_table {
/* The main hash table. */
struct elf_link_hash_table root;
#define elf32_mn10300_link_hash_traverse(table, func, info) \
(elf_link_hash_traverse \
(&(table)->root, \
- (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
+ (bfd_boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
(info)))
static struct bfd_hash_entry *elf32_mn10300_link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
static struct bfd_link_hash_table *elf32_mn10300_link_hash_table_create
PARAMS ((bfd *));
+static void elf32_mn10300_link_hash_table_free
+ PARAMS ((struct bfd_link_hash_table *));
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void mn10300_info_to_howto
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
-static boolean mn10300_elf_relax_delete_bytes
+ PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+static bfd_boolean mn10300_elf_check_relocs
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
+static asection *mn10300_elf_gc_mark_hook
+ PARAMS ((asection *, struct bfd_link_info *info, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *));
+static bfd_boolean mn10300_elf_relax_delete_bytes
PARAMS ((bfd *, asection *, bfd_vma, int));
-static boolean mn10300_elf_symbol_address_p
- PARAMS ((bfd *, asection *, Elf32_External_Sym *, bfd_vma));
-static boolean elf32_mn10300_finish_hash_table_entry
+static bfd_boolean mn10300_elf_symbol_address_p
+ PARAMS ((bfd *, asection *, Elf_Internal_Sym *, bfd_vma));
+static bfd_boolean elf32_mn10300_finish_hash_table_entry
PARAMS ((struct bfd_hash_entry *, PTR));
static void compute_function_info
PARAMS ((bfd *, struct elf32_mn10300_link_hash_entry *,
bfd_vma, unsigned char *));
-/* We have to use RELA instructions since md_apply_fix3 in the assembler
- does absolutely nothing. */
-#define USE_RELA
-
-enum reloc_type
-{
- R_MN10300_NONE = 0,
- R_MN10300_32,
- R_MN10300_16,
- R_MN10300_8,
- R_MN10300_PCREL32,
- R_MN10300_PCREL16,
- R_MN10300_PCREL8,
- R_MN10300_MAX
-};
-
-static reloc_howto_type elf_mn10300_howto_table[] =
-{
+static reloc_howto_type elf_mn10300_howto_table[] = {
/* Dummy relocation. Does nothing. */
HOWTO (R_MN10300_NONE,
0,
2,
16,
- false,
+ FALSE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_NONE",
- false,
+ FALSE,
0,
0,
- false),
+ FALSE),
/* Standard 32 bit reloc. */
HOWTO (R_MN10300_32,
0,
2,
32,
- false,
+ FALSE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_32",
- false,
+ FALSE,
0xffffffff,
0xffffffff,
- false),
+ FALSE),
/* Standard 16 bit reloc. */
HOWTO (R_MN10300_16,
0,
1,
16,
- false,
+ FALSE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_16",
- false,
+ FALSE,
0xffff,
0xffff,
- false),
+ FALSE),
/* Standard 8 bit reloc. */
HOWTO (R_MN10300_8,
0,
0,
8,
- false,
+ FALSE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_8",
- false,
+ FALSE,
0xff,
0xff,
- false),
+ FALSE),
/* Standard 32bit pc-relative reloc. */
HOWTO (R_MN10300_PCREL32,
0,
2,
32,
- true,
+ TRUE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_PCREL32",
- false,
+ FALSE,
0xffffffff,
0xffffffff,
- true),
+ TRUE),
/* Standard 16bit pc-relative reloc. */
HOWTO (R_MN10300_PCREL16,
0,
1,
16,
- true,
+ TRUE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_PCREL16",
- false,
+ FALSE,
0xffff,
0xffff,
- true),
+ TRUE),
/* Standard 8 pc-relative reloc. */
HOWTO (R_MN10300_PCREL8,
0,
0,
8,
- true,
+ TRUE,
0,
complain_overflow_bitfield,
bfd_elf_generic_reloc,
"R_MN10300_PCREL8",
- false,
+ FALSE,
0xff,
0xff,
- true),
+ TRUE),
+
+ /* GNU extension to record C++ vtable hierarchy */
+ HOWTO (R_MN10300_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_MN10300_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage */
+ HOWTO (R_MN10300_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_MN10300_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Standard 24 bit reloc. */
+ HOWTO (R_MN10300_24,
+ 0,
+ 2,
+ 24,
+ FALSE,
+ 0,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_MN10300_24",
+ FALSE,
+ 0xffffff,
+ 0xffffff,
+ FALSE),
};
-struct mn10300_reloc_map
-{
- unsigned char bfd_reloc_val;
+struct mn10300_reloc_map {
+ bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
-static const struct mn10300_reloc_map mn10300_reloc_map[] =
-{
+static const struct mn10300_reloc_map mn10300_reloc_map[] = {
{ BFD_RELOC_NONE, R_MN10300_NONE, },
{ BFD_RELOC_32, R_MN10300_32, },
{ BFD_RELOC_16, R_MN10300_16, },
{ BFD_RELOC_32_PCREL, R_MN10300_PCREL32, },
{ BFD_RELOC_16_PCREL, R_MN10300_PCREL16, },
{ BFD_RELOC_8_PCREL, R_MN10300_PCREL8, },
+ { BFD_RELOC_24, R_MN10300_24, },
+ { BFD_RELOC_VTABLE_INHERIT, R_MN10300_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_MN10300_GNU_VTENTRY },
};
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;
+ Elf_Internal_Rela *dst;
{
unsigned int r_type;
cache_ptr->howto = &elf_mn10300_howto_table[r_type];
}
+/* Look through the relocs for a section during the first phase.
+ Since we don't do .gots or .plts, we just need to consider the
+ virtual table relocs for gc. */
+
+static bfd_boolean
+mn10300_elf_check_relocs (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+
+ if (info->relocateable)
+ return TRUE;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
+ if (!elf_bad_symtab (abfd))
+ sym_hashes_end -= symtab_hdr->sh_info;
+
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ struct elf_link_hash_entry *h;
+ unsigned long r_symndx;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_MN10300_GNU_VTINHERIT:
+ if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_MN10300_GNU_VTENTRY:
+ if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Return the section that should be marked against GC for a given
+ relocation. */
+
+static asection *
+mn10300_elf_gc_mark_hook (sec, info, rel, h, sym)
+ asection *sec;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ Elf_Internal_Rela *rel;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+{
+ if (h != NULL)
+ {
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_MN10300_GNU_VTINHERIT:
+ case R_MN10300_GNU_VTENTRY:
+ break;
+
+ default:
+ switch (h->root.type)
+ {
+ case bfd_link_hash_defined:
+ case bfd_link_hash_defweak:
+ return h->root.u.def.section;
+
+ case bfd_link_hash_common:
+ return h->root.u.c.p->section;
+
+ default:
+ break;
+ }
+ }
+ }
+ else
+ return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
+
+ return NULL;
+}
+
/* Perform a relocation as part of a final link. */
static bfd_reloc_status_type
mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
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;
switch (r_type)
{
-
case R_MN10300_NONE:
return bfd_reloc_ok;
bfd_put_32 (input_bfd, value, hit_data);
return bfd_reloc_ok;
+ case R_MN10300_24:
+ value += addend;
+
+ if ((long) value > 0x7fffff || (long) value < -0x800000)
+ return bfd_reloc_overflow;
+
+ bfd_put_8 (input_bfd, value & 0xff, hit_data);
+ bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
+ bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
+ return bfd_reloc_ok;
+
case R_MN10300_16:
value += addend;
- if ((long)value > 0x7fff || (long)value < -0x8000)
+ if ((long) value > 0x7fff || (long) value < -0x8000)
return bfd_reloc_overflow;
bfd_put_16 (input_bfd, value, hit_data);
case R_MN10300_8:
value += addend;
- if ((long)value > 0x7fff || (long)value < -0x8000)
+ if ((long) value > 0x7f || (long) value < -0x80)
return bfd_reloc_overflow;
bfd_put_8 (input_bfd, value, hit_data);
value -= offset;
value += addend;
- if ((long)value > 0xff || (long)value < -0x100)
+ if ((long) value > 0xff || (long) value < -0x100)
return bfd_reloc_overflow;
bfd_put_8 (input_bfd, value, hit_data);
value -= offset;
value += addend;
- if ((long)value > 0xffff || (long)value < -0x10000)
+ if ((long) value > 0xffff || (long) value < -0x10000)
return bfd_reloc_overflow;
bfd_put_16 (input_bfd, value, hit_data);
bfd_put_32 (input_bfd, value, hit_data);
return bfd_reloc_ok;
+ case R_MN10300_GNU_VTINHERIT:
+ case R_MN10300_GNU_VTENTRY:
+ return bfd_reloc_ok;
+
default:
return bfd_reloc_notsupported;
}
}
-
\f
/* Relocate an MN10300 ELF section. */
-static boolean
+static bfd_boolean
mn10300_elf_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
bfd *output_bfd;
struct elf32_mn10300_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
+ if (info->relocateable)
+ return TRUE;
+
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = (struct elf32_mn10300_link_hash_entry **)
(elf_sym_hashes (input_bfd));
r_type = ELF32_R_TYPE (rel->r_info);
howto = elf_mn10300_howto_table + r_type;
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
+ /* Just skip the vtable gc relocs. */
+ if (r_type == R_MN10300_GNU_VTINHERIT
+ || r_type == R_MN10300_GNU_VTENTRY)
+ continue;
- /* This is a final link. */
h = NULL;
sym = NULL;
sec = NULL;
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- relocation = (sec->output_section->vma
- + sec->output_offset
- + sym->st_value);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
}
else
{
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
+ while (h->root.root.type == bfd_link_hash_indirect
+ || h->root.root.type == bfd_link_hash_warning)
h = (struct elf32_mn10300_link_hash_entry *) h->root.root.u.i.link;
if (h->root.root.type == bfd_link_hash_defined
|| h->root.root.type == bfd_link_hash_defweak)
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.root.string, input_bfd,
- input_section, rel->r_offset)))
- return false;
+ input_section, rel->r_offset, TRUE)))
+ return FALSE;
relocation = 0;
}
}
if (r != bfd_reloc_ok)
{
const char *name;
- const char *msg = (const char *)0;
+ const char *msg = (const char *) 0;
if (h != NULL)
name = h->root.root.root.string;
if (! ((*info->callbacks->reloc_overflow)
(info, name, howto->name, (bfd_vma) 0,
input_bfd, input_section, rel->r_offset)))
- return false;
+ return FALSE;
break;
case bfd_reloc_undefined:
if (! ((*info->callbacks->undefined_symbol)
(info, name, input_bfd, input_section,
- rel->r_offset)))
- return false;
+ rel->r_offset, TRUE)))
+ return FALSE;
break;
case bfd_reloc_outofrange:
if (!((*info->callbacks->warning)
(info, msg, name, input_bfd, input_section,
rel->r_offset)))
- return false;
+ return FALSE;
break;
}
}
}
- return true;
+ return TRUE;
}
/* Finish initializing one hash table entry. */
-static boolean
+static bfd_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;
- entry = (struct elf32_mn10300_link_hash_entry *)gen_entry;
+ entry = (struct elf32_mn10300_link_hash_entry *) gen_entry;
+
+ if (entry->root.root.type == bfd_link_hash_warning)
+ entry = (struct elf32_mn10300_link_hash_entry *) entry->root.root.u.i.link;
/* If we already know we want to convert "call" to "calls" for calls
to this symbol, then return now. */
if (entry->flags == MN10300_CONVERT_CALL_TO_CALLS)
- return true;
+ return TRUE;
/* If there are no named calls to this symbol, or there's nothing we
can move from the function itself into the "call" instruction, then
/* Make a note that we should convert "call" instructions to "calls"
instructions for calls to this symbol. */
entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
- return true;
+ return TRUE;
}
/* We may be able to move some instructions from the function itself into
entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
/* This routine never fails. */
- return true;
+ return TRUE;
}
/* This function handles relaxing for the mn10300.
This is only done if the resulting code is no larger
than the original code.
-
* jmp:32 -> jmp:16 2 bytes
* jmp:16 -> bra:8 1 byte
We don't handle imm16->imm8 or d16->d8 as they're very rare
and somewhat more difficult to support. */
-static boolean
+static bfd_boolean
mn10300_elf_relax_section (abfd, sec, link_info, again)
bfd *abfd;
asection *sec;
struct bfd_link_info *link_info;
- boolean *again;
+ bfd_boolean *again;
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Rela *free_relocs = NULL;
Elf_Internal_Rela *irel, *irelend;
bfd_byte *contents = NULL;
- bfd_byte *free_contents = NULL;
- Elf32_External_Sym *extsyms = NULL;
- Elf32_External_Sym *free_extsyms = NULL;
+ Elf_Internal_Sym *isymbuf = NULL;
struct elf32_mn10300_link_hash_table *hash_table;
+ asection *section = sec;
/* Assume nothing changes. */
- *again = false;
+ *again = FALSE;
/* We need a pointer to the mn10300 specific hash table. */
hash_table = elf32_mn10300_hash_table (link_info);
input_bfd != NULL;
input_bfd = input_bfd->link_next)
{
- asection *section;
-
/* We're going to need all the symbols for each bfd. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
-
- /* Get cached copy if it exists. */
- if (symtab_hdr->contents != NULL)
- extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
- else
- {
- /* Go get them off disk. */
- extsyms = ((Elf32_External_Sym *)
- bfd_malloc (symtab_hdr->sh_size));
- if (extsyms == NULL)
- goto error_return;
- free_extsyms = extsyms;
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (extsyms, 1, symtab_hdr->sh_size, input_bfd)
- != symtab_hdr->sh_size))
- goto error_return;
- }
+ if (symtab_hdr->sh_info != 0)
+ {
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (isymbuf == NULL)
+ goto error_return;
+ }
/* Iterate over each section in this bfd. */
for (section = input_bfd->sections;
{
struct elf32_mn10300_link_hash_entry *hash;
Elf_Internal_Sym *sym;
- asection *sym_sec;
+ asection *sym_sec = NULL;
const char *sym_name;
char *new_name;
- Elf_Internal_Shdr *hdr;
+
+ /* If there's nothing to do in this section, skip it. */
+ if (! (((section->flags & SEC_RELOC) != 0
+ && section->reloc_count != 0)
+ || (section->flags & SEC_CODE) != 0))
+ continue;
/* Get cached copy of section contents if it exists. */
if (elf_section_data (section)->this_hdr.contents != NULL)
else if (section->_raw_size != 0)
{
/* Go get them off disk. */
- contents = (bfd_byte *)bfd_malloc (section->_raw_size);
+ contents = (bfd_byte *) bfd_malloc (section->_raw_size);
if (contents == NULL)
goto error_return;
- free_contents = contents;
if (!bfd_get_section_contents (input_bfd, section,
contents, (file_ptr) 0,
goto error_return;
}
else
- {
- contents = NULL;
- free_contents = NULL;
- }
+ contents = NULL;
/* If there aren't any relocs, then there's nothing to do. */
if ((section->flags & SEC_RELOC) != 0
{
/* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf32_link_read_relocs
+ internal_relocs = (_bfd_elf_link_read_relocs
(input_bfd, section, (PTR) NULL,
(Elf_Internal_Rela *) NULL,
link_info->keep_memory));
if (internal_relocs == NULL)
goto error_return;
- if (! link_info->keep_memory)
- free_relocs = internal_relocs;
/* Now examine each relocation. */
irel = internal_relocs;
r_type = ELF32_R_TYPE (irel->r_info);
r_index = ELF32_R_SYM (irel->r_info);
- if (r_type < 0 || r_type >= (int)R_MN10300_MAX)
+ if (r_type < 0 || r_type >= (int) R_MN10300_MAX)
goto error_return;
/* We need the name and hash table entry of the target
if (r_index < symtab_hdr->sh_info)
{
/* A local symbol. */
- Elf_Internal_Sym isym;
+ Elf_Internal_Sym *isym;
+ struct elf_link_hash_table *elftab;
+ bfd_size_type amt;
- bfd_elf32_swap_symbol_in (input_bfd,
- extsyms + r_index, &isym);
-
- if (isym.st_shndx == SHN_UNDEF)
+ isym = isymbuf + r_index;
+ if (isym->st_shndx == SHN_UNDEF)
sym_sec = bfd_und_section_ptr;
- else if (isym.st_shndx > 0
- && isym.st_shndx < SHN_LORESERVE)
- sym_sec
- = bfd_section_from_elf_index (input_bfd,
- isym.st_shndx);
- else if (isym.st_shndx == SHN_ABS)
+ else if (isym->st_shndx == SHN_ABS)
sym_sec = bfd_abs_section_ptr;
- else if (isym.st_shndx == SHN_COMMON)
+ else if (isym->st_shndx == SHN_COMMON)
sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec
+ = bfd_section_from_elf_index (input_bfd,
+ isym->st_shndx);
- sym_name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- isym.st_name);
+ sym_name
+ = bfd_elf_string_from_elf_section (input_bfd,
+ (symtab_hdr
+ ->sh_link),
+ isym->st_name);
/* If it isn't a function, then we don't care
about it. */
- if (r_index < symtab_hdr->sh_info
- && ELF_ST_TYPE (isym.st_info) != STT_FUNC)
+ if (ELF_ST_TYPE (isym->st_info) != STT_FUNC)
continue;
/* Tack on an ID so we can uniquely identify this
local symbol in the global hash table. */
- new_name = alloca (strlen (sym_name) + 10);
- sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
+ amt = strlen (sym_name) + 10;
+ new_name = bfd_malloc (amt);
+ if (new_name == 0)
+ goto error_return;
+
+ sprintf (new_name, "%s_%08x",
+ sym_name, (int) sym_sec);
sym_name = new_name;
-
- hash = (struct elf32_mn10300_link_hash_entry *)
- elf_link_hash_lookup (&hash_table->static_hash_table->root,
- sym_name, true,
- true, false);
+
+ elftab = &hash_table->static_hash_table->root;
+ hash = ((struct elf32_mn10300_link_hash_entry *)
+ elf_link_hash_lookup (elftab, sym_name,
+ TRUE, TRUE, FALSE));
+ free (new_name);
}
else
{
contents + irel->r_offset - 1);
if (code != 0xdd && code != 0xcd)
hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
-
- /* If this is a jump/call, then bump the direct_calls
- counter. Else force "call" to "calls" conversions. */
+
+ /* If this is a jump/call, then bump the
+ direct_calls counter. Else force "call" to
+ "calls" conversions. */
if (r_type == R_MN10300_PCREL32
|| r_type == R_MN10300_PCREL16)
hash->direct_calls++;
(ie movm_args). */
if ((section->flags & SEC_CODE) != 0)
{
+ Elf_Internal_Sym *isym, *isymend;
+ unsigned int sec_shndx;
+ struct elf_link_hash_entry **hashes;
+ struct elf_link_hash_entry **end_hashes;
+ unsigned int symcount;
- Elf32_External_Sym *esym, *esymend;
- int idx, shndx;
-
- shndx = _bfd_elf_section_from_bfd_section (input_bfd,
- section);
-
+ sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
+ section);
/* Look at each function defined in this section and
update info for that function. */
- esym = extsyms;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; esym++)
+ isymend = isymbuf + symtab_hdr->sh_info;
+ for (isym = isymbuf; isym < isymend; isym++)
{
- Elf_Internal_Sym isym;
-
- bfd_elf32_swap_symbol_in (input_bfd, esym, &isym);
- if (isym.st_shndx == shndx
- && ELF_ST_TYPE (isym.st_info) == STT_FUNC)
+ if (isym->st_shndx == sec_shndx
+ && ELF_ST_TYPE (isym->st_info) == STT_FUNC)
{
- if (isym.st_shndx == SHN_UNDEF)
+ struct elf_link_hash_table *elftab;
+ bfd_size_type amt;
+
+ if (isym->st_shndx == SHN_UNDEF)
sym_sec = bfd_und_section_ptr;
- else if (isym.st_shndx > 0
- && isym.st_shndx < SHN_LORESERVE)
- sym_sec
- = bfd_section_from_elf_index (input_bfd,
- isym.st_shndx);
- else if (isym.st_shndx == SHN_ABS)
+ else if (isym->st_shndx == SHN_ABS)
sym_sec = bfd_abs_section_ptr;
- else if (isym.st_shndx == SHN_COMMON)
+ else if (isym->st_shndx == SHN_COMMON)
sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec
+ = bfd_section_from_elf_index (input_bfd,
+ isym->st_shndx);
- sym_name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- isym.st_name);
+ sym_name = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link,
+ isym->st_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);
- sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
+ amt = strlen (sym_name) + 10;
+ new_name = bfd_malloc (amt);
+ if (new_name == 0)
+ goto error_return;
+
+ sprintf (new_name, "%s_%08x",
+ sym_name, (int) sym_sec);
sym_name = new_name;
- hash = (struct elf32_mn10300_link_hash_entry *)
- elf_link_hash_lookup (&hash_table->static_hash_table->root,
- sym_name, true,
- true, false);
+ elftab = &hash_table->static_hash_table->root;
+ hash = ((struct elf32_mn10300_link_hash_entry *)
+ elf_link_hash_lookup (elftab, sym_name,
+ TRUE, TRUE, FALSE));
+ free (new_name);
compute_function_info (input_bfd, hash,
- isym.st_value, contents);
+ isym->st_value, contents);
}
}
- esym = extsyms + symtab_hdr->sh_info;
- esymend = extsyms + (symtab_hdr->sh_size
- / sizeof (Elf32_External_Sym));
- for (idx = 0; esym < esymend; esym++, idx++)
+ symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
+ - symtab_hdr->sh_info);
+ hashes = elf_sym_hashes (abfd);
+ end_hashes = hashes + symcount;
+ for (; hashes < end_hashes; hashes++)
{
- Elf_Internal_Sym isym;
-
- bfd_elf32_swap_symbol_in (input_bfd, esym, &isym);
- hash = (struct elf32_mn10300_link_hash_entry *)
- elf_sym_hashes (input_bfd)[idx];
- if (isym.st_shndx == shndx
- && ELF_ST_TYPE (isym.st_info) == STT_FUNC
- && (hash)->root.root.u.def.section == section
- && ((hash)->root.root.type == bfd_link_hash_defined
- || (hash)->root.root.type == bfd_link_hash_defweak))
+ hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
+ if ((hash->root.root.type == bfd_link_hash_defined
+ || hash->root.root.type == bfd_link_hash_defweak)
+ && hash->root.root.u.def.section == section
+ && ELF_ST_TYPE (isym->st_info) == STT_FUNC)
compute_function_info (input_bfd, hash,
(hash)->root.root.u.def.value,
contents);
}
/* Cache or free any memory we allocated for the relocs. */
- if (free_relocs != NULL)
- {
- free (free_relocs);
- free_relocs = NULL;
- }
+ if (internal_relocs != NULL
+ && elf_section_data (section)->relocs != internal_relocs)
+ free (internal_relocs);
+ internal_relocs = NULL;
/* Cache or free any memory we allocated for the contents. */
- if (free_contents != NULL)
+ if (contents != NULL
+ && elf_section_data (section)->this_hdr.contents != contents)
{
if (! link_info->keep_memory)
- free (free_contents);
+ free (contents);
else
{
/* Cache the section contents for elf_link_input_bfd. */
elf_section_data (section)->this_hdr.contents = contents;
}
- free_contents = NULL;
}
+ contents = NULL;
}
/* Cache or free any memory we allocated for the symbols. */
- if (free_extsyms != NULL)
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
{
if (! link_info->keep_memory)
- free (free_extsyms);
+ free (isymbuf);
else
{
/* Cache the symbols for elf_link_input_bfd. */
- symtab_hdr->contents = extsyms;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
}
- free_extsyms = NULL;
}
+ isymbuf = NULL;
}
/* Now iterate on each symbol in the hash table and perform
input_bfd != NULL;
input_bfd = input_bfd->link_next)
{
- asection *section;
-
- /* We're going to need all the symbols for each bfd. */
+ /* We're going to need all the local symbols for each bfd. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
-
- /* Get cached copy if it exists. */
- if (symtab_hdr->contents != NULL)
- extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
- else
- {
- /* Go get them off disk. */
- extsyms = ((Elf32_External_Sym *)
- bfd_malloc (symtab_hdr->sh_size));
- if (extsyms == NULL)
- goto error_return;
- free_extsyms = extsyms;
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (extsyms, 1, symtab_hdr->sh_size, input_bfd)
- != symtab_hdr->sh_size))
- goto error_return;
- }
+ if (symtab_hdr->sh_info != 0)
+ {
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (isymbuf == NULL)
+ goto error_return;
+ }
/* Walk over each section in this bfd. */
for (section = input_bfd->sections;
section != NULL;
section = section->next)
{
- int shndx;
- Elf32_External_Sym *esym, *esymend;
- int idx;
-
+ unsigned int sec_shndx;
+ Elf_Internal_Sym *isym, *isymend;
+ struct elf_link_hash_entry **hashes;
+ struct elf_link_hash_entry **end_hashes;
+ unsigned int symcount;
+
/* Skip non-code sections and empty sections. */
if ((section->flags & SEC_CODE) == 0 || section->_raw_size == 0)
continue;
if (section->reloc_count != 0)
{
- /* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf32_link_read_relocs
- (input_bfd, section, (PTR) NULL,
- (Elf_Internal_Rela *) NULL,
- link_info->keep_memory));
- if (internal_relocs == NULL)
- goto error_return;
- if (! link_info->keep_memory)
- free_relocs = internal_relocs;
+ /* Get a copy of the native relocations. */
+ internal_relocs = (_bfd_elf_link_read_relocs
+ (input_bfd, section, (PTR) NULL,
+ (Elf_Internal_Rela *) NULL,
+ link_info->keep_memory));
+ if (internal_relocs == NULL)
+ goto error_return;
}
/* Get cached copy of section contents if it exists. */
else
{
/* Go get them off disk. */
- contents = (bfd_byte *)bfd_malloc (section->_raw_size);
+ contents = (bfd_byte *) bfd_malloc (section->_raw_size);
if (contents == NULL)
goto error_return;
- free_contents = contents;
if (!bfd_get_section_contents (input_bfd, section,
contents, (file_ptr) 0,
goto error_return;
}
-
- shndx = _bfd_elf_section_from_bfd_section (input_bfd, section);
+ sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
+ section);
/* Now look for any function in this section which needs
insns deleted from its prologue. */
- esym = extsyms;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; esym++)
+ isymend = isymbuf + symtab_hdr->sh_info;
+ for (isym = isymbuf; isym < isymend; isym++)
{
- Elf_Internal_Sym isym;
struct elf32_mn10300_link_hash_entry *sym_hash;
- asection *sym_sec;
+ asection *sym_sec = NULL;
const char *sym_name;
- Elf_Internal_Shdr *hdr;
char *new_name;
+ struct elf_link_hash_table *elftab;
+ bfd_size_type amt;
- bfd_elf32_swap_symbol_in (input_bfd, esym, &isym);
-
- if (isym.st_shndx != shndx)
+ if (isym->st_shndx != sec_shndx)
continue;
- if (isym.st_shndx == SHN_UNDEF)
+ if (isym->st_shndx == SHN_UNDEF)
sym_sec = bfd_und_section_ptr;
- else if (isym.st_shndx > 0 && isym.st_shndx < SHN_LORESERVE)
- sym_sec
- = bfd_section_from_elf_index (input_bfd, isym.st_shndx);
- else if (isym.st_shndx == SHN_ABS)
+ else if (isym->st_shndx == SHN_ABS)
sym_sec = bfd_abs_section_ptr;
- else if (isym.st_shndx == SHN_COMMON)
+ else if (isym->st_shndx == SHN_COMMON)
sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec
+ = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
- sym_name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- isym.st_name);
+ sym_name
+ = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ isym->st_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);
- sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
+ amt = strlen (sym_name) + 10;
+ new_name = bfd_malloc (amt);
+ if (new_name == 0)
+ goto error_return;
+ sprintf (new_name, "%s_%08x", sym_name, (int) sym_sec);
sym_name = new_name;
- sym_hash = (struct elf32_mn10300_link_hash_entry *)
- elf_link_hash_lookup (&hash_table->static_hash_table->root,
- sym_name, false,
- false, false);
+ elftab = &hash_table->static_hash_table->root;
+ sym_hash = ((struct elf32_mn10300_link_hash_entry *)
+ elf_link_hash_lookup (elftab, sym_name,
+ FALSE, FALSE, FALSE));
+ free (new_name);
if (sym_hash == NULL)
continue;
-
- if (! ((sym_hash)->flags & MN10300_CONVERT_CALL_TO_CALLS)
- && ! ((sym_hash)->flags & MN10300_DELETED_PROLOGUE_BYTES))
+
+ if (! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
+ && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
{
int bytes = 0;
/* Note that we've changed things. */
elf_section_data (section)->relocs = internal_relocs;
- free_relocs = NULL;
-
elf_section_data (section)->this_hdr.contents = contents;
- free_contents = NULL;
-
- symtab_hdr->contents = (bfd_byte *)extsyms;
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Count how many bytes we're going to delete. */
if (sym_hash->movm_args)
/* Actually delete the bytes. */
if (!mn10300_elf_relax_delete_bytes (input_bfd,
section,
- isym.st_value,
+ isym->st_value,
bytes))
goto error_return;
/* Something changed. Not strictly necessary, but
may lead to more relaxing opportunities. */
- *again = true;
+ *again = TRUE;
}
}
/* Look for any global functions in this section which
need insns deleted from their prologues. */
- esym = extsyms + symtab_hdr->sh_info;
- esymend = extsyms + (symtab_hdr->sh_size
- / sizeof (Elf32_External_Sym));
- for (idx = 0; esym < esymend; esym++, idx++)
+ symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
+ - symtab_hdr->sh_info);
+ hashes = elf_sym_hashes (abfd);
+ end_hashes = hashes + symcount;
+ for (; hashes < end_hashes; hashes++)
{
- Elf_Internal_Sym isym;
struct elf32_mn10300_link_hash_entry *sym_hash;
- bfd_elf32_swap_symbol_in (input_bfd, esym, &isym);
- sym_hash = (struct elf32_mn10300_link_hash_entry *)
- (elf_sym_hashes (input_bfd)[idx]);
- if (isym.st_shndx == shndx
- && (sym_hash)->root.root.u.def.section == section
- && ! ((sym_hash)->flags & MN10300_CONVERT_CALL_TO_CALLS)
- && ! ((sym_hash)->flags & MN10300_DELETED_PROLOGUE_BYTES))
+ sym_hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
+ if ((sym_hash->root.root.type == bfd_link_hash_defined
+ || sym_hash->root.root.type == bfd_link_hash_defweak)
+ && sym_hash->root.root.u.def.section == section
+ && ! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
+ && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
{
int bytes = 0;
+ bfd_vma symval;
/* Note that we've changed things. */
elf_section_data (section)->relocs = internal_relocs;
- free_relocs = NULL;
-
elf_section_data (section)->this_hdr.contents = contents;
- free_contents = NULL;
-
- symtab_hdr->contents = (bfd_byte *)extsyms;
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Count how many bytes we're going to delete. */
if (sym_hash->movm_args)
sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
/* Actually delete the bytes. */
+ symval = sym_hash->root.root.u.def.value;
if (!mn10300_elf_relax_delete_bytes (input_bfd,
section,
- (sym_hash)->root.root.u.def.value,
+ symval,
bytes))
goto error_return;
/* Something changed. Not strictly necessary, but
may lead to more relaxing opportunities. */
- *again = true;
+ *again = TRUE;
}
}
/* Cache or free any memory we allocated for the relocs. */
- if (free_relocs != NULL)
- {
- free (free_relocs);
- free_relocs = NULL;
- }
+ if (internal_relocs != NULL
+ && elf_section_data (section)->relocs != internal_relocs)
+ free (internal_relocs);
+ internal_relocs = NULL;
/* Cache or free any memory we allocated for the contents. */
- if (free_contents != NULL)
+ if (contents != NULL
+ && elf_section_data (section)->this_hdr.contents != contents)
{
if (! link_info->keep_memory)
- free (free_contents);
+ free (contents);
else
{
/* Cache the section contents for elf_link_input_bfd. */
elf_section_data (section)->this_hdr.contents = contents;
}
- free_contents = NULL;
}
+ contents = NULL;
}
/* Cache or free any memory we allocated for the symbols. */
- if (free_extsyms != NULL)
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
{
if (! link_info->keep_memory)
- free (free_extsyms);
+ free (isymbuf);
else
{
/* Cache the symbols for elf_link_input_bfd. */
- symtab_hdr->contents = extsyms;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
}
- free_extsyms = NULL;
}
+ isymbuf = NULL;
}
}
-
/* (Re)initialize for the basic instruction shortening/relaxing pass. */
contents = NULL;
- extsyms = NULL;
internal_relocs = NULL;
- free_relocs = NULL;
- free_contents = NULL;
- free_extsyms = NULL;
+ isymbuf = NULL;
+ /* For error_return. */
+ section = sec;
/* We don't have to do anything for a relocateable link, if
this section does not have relocs, or if this is not a
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
- return true;
+ return TRUE;
/* If this is the first time we have been called for this section,
initialize the cooked size. */
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
/* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf32_link_read_relocs
+ internal_relocs = (_bfd_elf_link_read_relocs
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
link_info->keep_memory));
if (internal_relocs == NULL)
goto error_return;
- if (! link_info->keep_memory)
- free_relocs = internal_relocs;
/* Walk through them looking for relaxing opportunities. */
irelend = internal_relocs + sec->reloc_count;
contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
if (contents == NULL)
goto error_return;
- free_contents = contents;
if (! bfd_get_section_contents (abfd, sec, contents,
(file_ptr) 0, sec->_raw_size))
}
/* Read this BFD's symbols if we haven't done so already. */
- if (extsyms == NULL)
+ if (isymbuf == NULL && symtab_hdr->sh_info != 0)
{
- /* Get cached copy if it exists. */
- if (symtab_hdr->contents != NULL)
- extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
- else
- {
- /* Go get them off disk. */
- extsyms = ((Elf32_External_Sym *)
- bfd_malloc (symtab_hdr->sh_size));
- if (extsyms == NULL)
- goto error_return;
- free_extsyms = extsyms;
- if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (extsyms, 1, symtab_hdr->sh_size, abfd)
- != symtab_hdr->sh_size))
- goto error_return;
- }
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (isymbuf == NULL)
+ goto error_return;
}
/* Get the value of the symbol referred to by the reloc. */
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
{
- Elf_Internal_Sym isym;
- asection *sym_sec;
- Elf_Internal_Shdr *hdr;
+ Elf_Internal_Sym *isym;
+ asection *sym_sec = NULL;
const char *sym_name;
char *new_name;
/* A local symbol. */
- bfd_elf32_swap_symbol_in (abfd,
- extsyms + ELF32_R_SYM (irel->r_info),
- &isym);
-
- if (isym.st_shndx == SHN_UNDEF)
+ isym = isymbuf + ELF32_R_SYM (irel->r_info);
+ if (isym->st_shndx == SHN_UNDEF)
sym_sec = bfd_und_section_ptr;
- else if (isym.st_shndx > 0 && isym.st_shndx < SHN_LORESERVE)
- sym_sec = bfd_section_from_elf_index (abfd, isym.st_shndx);
- else if (isym.st_shndx == SHN_ABS)
+ else if (isym->st_shndx == SHN_ABS)
sym_sec = bfd_abs_section_ptr;
- else if (isym.st_shndx == SHN_COMMON)
+ else if (isym->st_shndx == SHN_COMMON)
sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- symval = (isym.st_value
+ symval = (isym->st_value
+ sym_sec->output_section->vma
+ sym_sec->output_offset);
sym_name = bfd_elf_string_from_elf_section (abfd,
symtab_hdr->sh_link,
- isym.st_name);
+ isym->st_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);
- sprintf (new_name, "%s_%08x", sym_name, (int)sym_sec);
+ new_name = bfd_malloc ((bfd_size_type) 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);
+ sym_name, FALSE, FALSE, FALSE);
+ free (new_name);
}
else
{
/* Note that we've changed the relocs, section 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 1);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
}
}
else if (h)
if (code == 0xdd)
{
bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 4);
- bfd_put_8 (abfd, h->stack_size,
+ bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
contents + irel->r_offset + 5);
}
}
/* See if the value will fit in 16 bits, note the high value is
0x7fff + 2 as the target will be two bytes closer if we are
able to relax. */
- if ((long)value < 0x8001 && (long)value > -0x8000)
+ if ((long) value < 0x8001 && (long) value > -0x8000)
{
unsigned char code;
/* Note that we've changed the relocs, section 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
if (code == 0xdc)
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
}
}
/* Note that we've changed the relocs, section 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 1);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
}
}
else if (h)
if (code == 0xcd)
{
bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 2);
- bfd_put_8 (abfd, h->stack_size,
+ bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
contents + irel->r_offset + 3);
}
}
/* See if the value will fit in 8 bits, note the high value is
0x7f + 1 as the target will be one bytes closer if we are
able to relax. */
- if ((long)value < 0x80 && (long)value > -0x80)
+ if ((long) value < 0x80 && (long) value > -0x80)
{
unsigned char code;
/* Note that we've changed the relocs, section 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xca, contents + irel->r_offset - 1);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
}
}
bra lab2
lab1: lab1:
-
This happens when the bCC can't reach lab2 at assembly time,
but due to other relaxations it can reach at link time. */
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL8)
continue;
/* Now make sure we are a conditional branch. This may not
- be necessary, but why take the chance.
+ be necessary, but why take the chance.
Note these checks assume that R_MN10300_PCREL8 relocs
only occur on bCC and bCCx insns. If they occured
/* We also have to be sure there is no symbol/label
at the unconditional branch. */
- if (mn10300_elf_symbol_address_p (abfd, sec, extsyms,
+ if (mn10300_elf_symbol_address_p (abfd, sec, isymbuf,
irel->r_offset + 1))
continue;
/* Note that we've changed the relocs, section 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Reverse the condition of the first branch. */
switch (code)
{
- case 0xc8:
- code = 0xc9;
- break;
- case 0xc9:
- code = 0xc8;
- break;
- case 0xc0:
- code = 0xc2;
- break;
- case 0xc2:
- code = 0xc0;
- break;
- case 0xc3:
- code = 0xc1;
- break;
- case 0xc1:
- code = 0xc3;
- break;
- case 0xc4:
- code = 0xc6;
- break;
- case 0xc6:
- code = 0xc4;
- break;
- case 0xc7:
- code = 0xc5;
- break;
- case 0xc5:
- code = 0xc7;
- break;
- case 0xe8:
- code = 0xe9;
- break;
- case 0x9d:
- code = 0xe8;
- break;
- case 0xea:
- code = 0xeb;
- break;
- case 0xeb:
- code = 0xea;
- break;
+ case 0xc8:
+ code = 0xc9;
+ break;
+ case 0xc9:
+ code = 0xc8;
+ break;
+ case 0xc0:
+ code = 0xc2;
+ break;
+ case 0xc2:
+ code = 0xc0;
+ break;
+ case 0xc3:
+ code = 0xc1;
+ break;
+ case 0xc1:
+ code = 0xc3;
+ break;
+ case 0xc4:
+ code = 0xc6;
+ break;
+ case 0xc6:
+ code = 0xc4;
+ break;
+ case 0xc7:
+ code = 0xc5;
+ break;
+ case 0xc5:
+ code = 0xc7;
+ break;
+ case 0xe8:
+ code = 0xe9;
+ break;
+ case 0x9d:
+ code = 0xe8;
+ break;
+ case 0xea:
+ code = 0xeb;
+ break;
+ case 0xeb:
+ code = 0xea;
+ break;
}
bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
-
+
/* Set the reloc type and symbol for the first branch
from the second branch. */
irel->r_info = nrel->r_info;
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
+ }
+
+ /* 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);
+
+ /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
+ equivalent instructions exists. */
+ if (code != 0x6b && code != 0x7b
+ && code != 0x8b && code != 0x9b
+ && ((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;
+ elf_section_data (sec)->this_hdr.contents = contents;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
+
+ /* 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 + 1, 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;
+ }
+ }
+ }
+ }
}
/* Try to turn a 32bit immediate, displacement or absolute address
bfd_vma value = symval;
value += irel->r_addend;
- /* See if the value will fit in 16 bits.
+ /* 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. */
+ /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
+ equivalent instructions exists. */
+ if (code != 0x6b && code != 0x7b
+ && code != 0x8b && code != 0x9b
+ && ((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;
+ elf_section_data (sec)->this_hdr.contents = contents;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
+
+ /* 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;
+ }
+ }
+ }
+ }
+
+ /* See if the value will fit in 16 bits.
We allow any 16bit match here. We prune those we can't
handle below. */
- if ((long)value < 0x7fff && (long)value > -0x8000)
+ if ((long) value < 0x7fff && (long) value > -0x8000)
{
unsigned char code;
/* Most insns which have 32bit operands are 6 bytes long;
exceptions are pcrel insns and bit insns.
-
+
We handle pcrel insns above. We don't bother trying
to handle the bit insns here.
/* 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
break;
}
else if ((code & 0xf0) == 0x80
case 0x83:
/* 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
if ((code & 0xf3) == 0x81)
code = 0x01 + (code & 0x0c);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
break;
/* mov am,(abs32) -> mov am,(abs16)
case 0x91:
case 0x92:
case 0x93:
+ /* sp-based offsets are zero-extended. */
+ if (code >= 0x90 && code <= 0x93
+ && (long)value < 0)
+ continue;
+
/* 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
break;
}
else if ((code & 0xf0) < 0xf0)
&& (value & 0x8000))
continue;
+ /* mov imm16, an zero-extends the immediate. */
+ if (code == 0xdc
+ && (long)value < 0)
+ continue;
+
/* 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
if ((code & 0xfc) == 0xcc)
code = 0x2c + (code & 0x03);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
break;
/* mov (abs32),an -> mov (abs16),an
- mov (d32,sp),an -> mov (d32,sp),an
- mov (d32,sp),dn -> mov (d32,sp),dn
- movbu (d32,sp),dn -> movbu (d32,sp),dn
- movhu (d32,sp),dn -> movhu (d32,sp),dn
+ mov (d32,sp),an -> mov (d16,sp),an
+ mov (d32,sp),dn -> mov (d16,sp),dn
+ movbu (d32,sp),dn -> movbu (d16,sp),dn
+ movhu (d32,sp),dn -> movhu (d16,sp),dn
add imm32,dn -> add imm16,dn
cmp imm32,dn -> cmp imm16,dn
add imm32,an -> add imm16,an
cmp imm32,an -> cmp imm16,an
- and imm32,dn -> and imm32,dn
- or imm32,dn -> or imm32,dn
- xor imm32,dn -> xor imm32,dn
- btst imm32,dn -> btst imm32,dn */
+ and imm32,dn -> and imm16,dn
+ or imm32,dn -> or imm16,dn
+ xor imm32,dn -> xor imm16,dn
+ btst imm32,dn -> btst imm16,dn */
case 0xa0:
case 0xb0:
case 0xe1:
case 0xe2:
case 0xe3:
+ /* cmp imm16, an zero-extends the immediate. */
+ if (code == 0xdc
+ && (long)value < 0)
+ continue;
+
+ /* So do sp-based offsets. */
+ if (code >= 0xb0 && code <= 0xb3
+ && (long)value < 0)
+ continue;
+
/* 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
break;
}
else if (code == 0xfe)
/* 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;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
/* Fix the relocation's type. */
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
- R_MN10300_16);
+ R_MN10300_16);
/* Delete two bytes of data. */
if (!mn10300_elf_relax_delete_bytes (abfd, sec,
/* That will change things, so, we should relax again.
Note that this is not required, and it may be slow. */
- *again = true;
+ *again = TRUE;
break;
}
}
}
}
- if (free_relocs != NULL)
- {
- free (free_relocs);
- free_relocs = NULL;
- }
-
- if (free_contents != NULL)
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
{
if (! link_info->keep_memory)
- free (free_contents);
+ free (isymbuf);
else
{
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (sec)->this_hdr.contents = contents;
+ /* Cache the symbols for elf_link_input_bfd. */
+ symtab_hdr->contents = (unsigned char *) isymbuf;
}
- free_contents = NULL;
}
- if (free_extsyms != NULL)
+ if (contents != NULL
+ && elf_section_data (sec)->this_hdr.contents != contents)
{
if (! link_info->keep_memory)
- free (free_extsyms);
+ free (contents);
else
{
- /* Cache the symbols for elf_link_input_bfd. */
- symtab_hdr->contents = extsyms;
+ /* Cache the section contents for elf_link_input_bfd. */
+ elf_section_data (sec)->this_hdr.contents = contents;
}
- free_extsyms = NULL;
}
- return true;
+ if (internal_relocs != NULL
+ && elf_section_data (sec)->relocs != internal_relocs)
+ free (internal_relocs);
+
+ return TRUE;
error_return:
- if (free_relocs != NULL)
- free (free_relocs);
- if (free_contents != NULL)
- free (free_contents);
- if (free_extsyms != NULL)
- free (free_extsyms);
- return false;
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
+ if (contents != NULL
+ && elf_section_data (section)->this_hdr.contents != contents)
+ free (contents);
+ if (internal_relocs != NULL
+ && elf_section_data (section)->relocs != internal_relocs)
+ free (internal_relocs);
+
+ return FALSE;
}
/* Compute the stack size and movm arguments for the function
byte2 = bfd_get_8 (abfd, contents + addr + 1);
}
+ /* Now figure out how much stack space will be allocated by the movm
+ instruction. We need this kept separate from the funtion's normal
+ stack space. */
+ if (hash->movm_args)
+ {
+ /* Space for d2. */
+ if (hash->movm_args & 0x80)
+ hash->movm_stack_size += 4;
+
+ /* Space for d3. */
+ if (hash->movm_args & 0x40)
+ hash->movm_stack_size += 4;
+
+ /* Space for a2. */
+ if (hash->movm_args & 0x20)
+ hash->movm_stack_size += 4;
+
+ /* Space for a3. */
+ if (hash->movm_args & 0x10)
+ hash->movm_stack_size += 4;
+
+ /* "other" space. d0, d1, a0, a1, mdr, lir, lar, 4 byte pad. */
+ if (hash->movm_args & 0x08)
+ hash->movm_stack_size += 8 * 4;
+
+ 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;
+ }
+ }
+
/* Now look for the two stack adjustment variants. */
if (byte1 == 0xf8 && byte2 == 0xfe)
{
temp = ((temp & 0xffff) ^ (~0x7fff)) + 0x8000;
temp = -temp;
- if (temp <= 255)
+ if (temp < 255)
hash->stack_size = temp;
}
+
+ /* If the total stack to be allocated by the call instruction is more
+ than 255 bytes, then we can't remove the stack adjustment by using
+ "call" (we might still be able to remove the "movm" instruction. */
+ if (hash->stack_size + hash->movm_stack_size > 255)
+ hash->stack_size = 0;
+
return;
}
/* Delete some bytes from a section while relaxing. */
-static boolean
+static bfd_boolean
mn10300_elf_relax_delete_bytes (abfd, sec, addr, count)
bfd *abfd;
asection *sec;
int count;
{
Elf_Internal_Shdr *symtab_hdr;
- Elf32_External_Sym *extsyms;
- int shndx, index;
+ unsigned int sec_shndx;
bfd_byte *contents;
Elf_Internal_Rela *irel, *irelend;
Elf_Internal_Rela *irelalign;
bfd_vma toaddr;
- Elf32_External_Sym *esym, *esymend;
- struct elf32_mn10300_link_hash_entry *sym_hash;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
+ Elf_Internal_Sym *isym, *isymend;
+ struct elf_link_hash_entry **sym_hashes;
+ struct elf_link_hash_entry **end_hashes;
+ unsigned int symcount;
- shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+ sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
contents = elf_section_data (sec)->this_hdr.contents;
irelend = irel + sec->reloc_count;
/* Actually delete the bytes. */
- memmove (contents + addr, contents + addr + count, toaddr - addr - count);
+ memmove (contents + addr, contents + addr + count,
+ (size_t) (toaddr - addr - count));
sec->_cooked_size -= count;
/* Adjust all the relocs. */
}
/* Adjust the local symbols defined in this section. */
- esym = extsyms;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; esym++)
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ isym = (Elf_Internal_Sym *) symtab_hdr->contents;
+ for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
{
- Elf_Internal_Sym isym;
-
- bfd_elf32_swap_symbol_in (abfd, esym, &isym);
-
- if (isym.st_shndx == shndx
- && isym.st_value > addr
- && isym.st_value < toaddr)
- {
- isym.st_value -= count;
- bfd_elf32_swap_symbol_out (abfd, &isym, esym);
- }
+ if (isym->st_shndx == sec_shndx
+ && isym->st_value > addr
+ && isym->st_value < toaddr)
+ isym->st_value -= count;
}
/* Now adjust the global symbols defined in this section. */
- esym = extsyms + symtab_hdr->sh_info;
- esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
- for (index = 0; esym < esymend; esym++, index++)
+ symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
+ - symtab_hdr->sh_info);
+ sym_hashes = elf_sym_hashes (abfd);
+ end_hashes = sym_hashes + symcount;
+ for (; sym_hashes < end_hashes; sym_hashes++)
{
- Elf_Internal_Sym isym;
-
- bfd_elf32_swap_symbol_in (abfd, esym, &isym);
- sym_hash = (struct elf32_mn10300_link_hash_entry *)
- (elf_sym_hashes (abfd)[index]);
- if (isym.st_shndx == shndx
- && ((sym_hash)->root.root.type == bfd_link_hash_defined
- || (sym_hash)->root.root.type == bfd_link_hash_defweak)
- && (sym_hash)->root.root.u.def.section == sec
- && (sym_hash)->root.root.u.def.value > addr
- && (sym_hash)->root.root.u.def.value < toaddr)
+ struct elf_link_hash_entry *sym_hash = *sym_hashes;
+ if ((sym_hash->root.type == bfd_link_hash_defined
+ || sym_hash->root.type == bfd_link_hash_defweak)
+ && sym_hash->root.u.def.section == sec
+ && sym_hash->root.u.def.value > addr
+ && sym_hash->root.u.def.value < toaddr)
{
- (sym_hash)->root.root.u.def.value -= count;
+ sym_hash->root.u.def.value -= count;
}
}
- return true;
+ return TRUE;
}
-/* Return true if a symbol exists at the given address, else return
- false. */
-static boolean
-mn10300_elf_symbol_address_p (abfd, sec, extsyms, addr)
+/* Return TRUE if a symbol exists at the given address, else return
+ FALSE. */
+static bfd_boolean
+mn10300_elf_symbol_address_p (abfd, sec, isym, addr)
bfd *abfd;
asection *sec;
- Elf32_External_Sym *extsyms;
+ Elf_Internal_Sym *isym;
bfd_vma addr;
{
Elf_Internal_Shdr *symtab_hdr;
- int shndx;
- Elf32_External_Sym *esym, *esymend;
- struct elf32_mn10300_link_hash_entry **sym_hash, **sym_hash_end;
+ unsigned int sec_shndx;
+ Elf_Internal_Sym *isymend;
+ struct elf_link_hash_entry **sym_hashes;
+ struct elf_link_hash_entry **end_hashes;
+ unsigned int symcount;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+ sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
/* Examine all the symbols. */
- esym = extsyms;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; esym++)
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
{
- Elf_Internal_Sym isym;
-
- bfd_elf32_swap_symbol_in (abfd, esym, &isym);
-
- if (isym.st_shndx == shndx
- && isym.st_value == addr)
- return true;
+ if (isym->st_shndx == sec_shndx
+ && isym->st_value == addr)
+ return TRUE;
}
- sym_hash = (struct elf32_mn10300_link_hash_entry **)(elf_sym_hashes (abfd));
- sym_hash_end = (sym_hash
- + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- - symtab_hdr->sh_info));
- for (; sym_hash < sym_hash_end; sym_hash++)
+ symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
+ - symtab_hdr->sh_info);
+ sym_hashes = elf_sym_hashes (abfd);
+ end_hashes = sym_hashes + symcount;
+ for (; sym_hashes < end_hashes; sym_hashes++)
{
- if (((*sym_hash)->root.root.type == bfd_link_hash_defined
- || (*sym_hash)->root.root.type == bfd_link_hash_defweak)
- && (*sym_hash)->root.root.u.def.section == sec
- && (*sym_hash)->root.root.u.def.value == addr)
- return true;
+ struct elf_link_hash_entry *sym_hash = *sym_hashes;
+ if ((sym_hash->root.type == bfd_link_hash_defined
+ || sym_hash->root.type == bfd_link_hash_defweak)
+ && sym_hash->root.u.def.section == sec
+ && sym_hash->root.u.def.value == addr)
+ return TRUE;
}
- return false;
+
+ return FALSE;
}
/* This is a version of bfd_generic_get_relocated_section_contents
struct bfd_link_info *link_info;
struct bfd_link_order *link_order;
bfd_byte *data;
- boolean relocateable;
+ bfd_boolean relocateable;
asymbol **symbols;
{
Elf_Internal_Shdr *symtab_hdr;
bfd *input_bfd = input_section->owner;
asection **sections = NULL;
Elf_Internal_Rela *internal_relocs = NULL;
- Elf32_External_Sym *external_syms = NULL;
- Elf_Internal_Sym *internal_syms = NULL;
+ Elf_Internal_Sym *isymbuf = NULL;
/* We only need to handle the case of relaxing, or of having a
particular set of section contents, specially. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
- input_section->_raw_size);
+ (size_t) input_section->_raw_size);
if ((input_section->flags & SEC_RELOC) != 0
&& input_section->reloc_count > 0)
{
- Elf_Internal_Sym *isymp;
asection **secpp;
- Elf32_External_Sym *esym, *esymend;
-
- if (symtab_hdr->contents != NULL)
- external_syms = (Elf32_External_Sym *) symtab_hdr->contents;
- else
- {
- external_syms = ((Elf32_External_Sym *)
- bfd_malloc (symtab_hdr->sh_info
- * sizeof (Elf32_External_Sym)));
- if (external_syms == NULL && symtab_hdr->sh_info > 0)
- goto error_return;
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (external_syms, sizeof (Elf32_External_Sym),
- symtab_hdr->sh_info, input_bfd)
- != (symtab_hdr->sh_info * sizeof (Elf32_External_Sym))))
- goto error_return;
- }
+ Elf_Internal_Sym *isym, *isymend;
+ bfd_size_type amt;
- internal_relocs = (_bfd_elf32_link_read_relocs
+ internal_relocs = (_bfd_elf_link_read_relocs
(input_bfd, input_section, (PTR) NULL,
- (Elf_Internal_Rela *) NULL, false));
+ (Elf_Internal_Rela *) NULL, FALSE));
if (internal_relocs == NULL)
goto error_return;
- internal_syms = ((Elf_Internal_Sym *)
- bfd_malloc (symtab_hdr->sh_info
- * sizeof (Elf_Internal_Sym)));
- if (internal_syms == NULL && symtab_hdr->sh_info > 0)
- goto error_return;
+ if (symtab_hdr->sh_info != 0)
+ {
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (isymbuf == NULL)
+ goto error_return;
+ }
- sections = (asection **) bfd_malloc (symtab_hdr->sh_info
- * sizeof (asection *));
- if (sections == NULL && symtab_hdr->sh_info > 0)
+ amt = symtab_hdr->sh_info;
+ amt *= sizeof (asection *);
+ sections = (asection **) bfd_malloc (amt);
+ if (sections == NULL && amt != 0)
goto error_return;
- isymp = internal_syms;
- secpp = sections;
- esym = external_syms;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; ++esym, ++isymp, ++secpp)
+ isymend = isymbuf + symtab_hdr->sh_info;
+ for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
{
asection *isec;
- bfd_elf32_swap_symbol_in (input_bfd, esym, isymp);
-
- if (isymp->st_shndx == SHN_UNDEF)
+ if (isym->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
- else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
- isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
- else if (isymp->st_shndx == SHN_ABS)
+ else if (isym->st_shndx == SHN_ABS)
isec = bfd_abs_section_ptr;
- else if (isymp->st_shndx == SHN_COMMON)
+ else if (isym->st_shndx == SHN_COMMON)
isec = bfd_com_section_ptr;
else
- {
- /* Who knows? */
- isec = NULL;
- }
+ isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
*secpp = isec;
}
if (! mn10300_elf_relocate_section (output_bfd, link_info, input_bfd,
input_section, data, internal_relocs,
- internal_syms, sections))
+ isymbuf, sections))
goto error_return;
if (sections != NULL)
free (sections);
- sections = NULL;
- if (internal_syms != NULL)
- free (internal_syms);
- internal_syms = NULL;
- if (external_syms != NULL && symtab_hdr->contents == NULL)
- free (external_syms);
- external_syms = NULL;
+ if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
if (internal_relocs != elf_section_data (input_section)->relocs)
free (internal_relocs);
- internal_relocs = NULL;
}
return data;
error_return:
+ if (sections != NULL)
+ free (sections);
+ if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
if (internal_relocs != NULL
&& internal_relocs != elf_section_data (input_section)->relocs)
free (internal_relocs);
- if (external_syms != NULL && symtab_hdr->contents == NULL)
- free (external_syms);
- if (internal_syms != NULL)
- free (internal_syms);
- if (sections != NULL)
- free (sections);
return NULL;
}
{
ret->direct_calls = 0;
ret->stack_size = 0;
- ret->flags = 0;
ret->movm_args = 0;
+ ret->movm_stack_size = 0;
+ ret->flags = 0;
}
return (struct bfd_hash_entry *) ret;
bfd *abfd;
{
struct elf32_mn10300_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf32_mn10300_link_hash_table);
- ret = ((struct elf32_mn10300_link_hash_table *)
- bfd_alloc (abfd, sizeof (struct elf32_mn10300_link_hash_table)));
+ ret = (struct elf32_mn10300_link_hash_table *) bfd_malloc (amt);
if (ret == (struct elf32_mn10300_link_hash_table *) NULL)
return NULL;
if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
elf32_mn10300_link_hash_newfunc))
{
- bfd_release (abfd, ret);
+ free (ret);
return NULL;
}
ret->flags = 0;
+ amt = sizeof (struct elf_link_hash_table);
ret->static_hash_table
- = ((struct elf32_mn10300_link_hash_table *)
- bfd_alloc (abfd, sizeof (struct elf_link_hash_table)));
+ = (struct elf32_mn10300_link_hash_table *) bfd_malloc (amt);
if (ret->static_hash_table == NULL)
{
- bfd_release (abfd, ret);
+ free (ret);
return NULL;
}
if (! _bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
elf32_mn10300_link_hash_newfunc))
{
- bfd_release (abfd, ret->static_hash_table);
- bfd_release (abfd, ret);
+ free (ret->static_hash_table);
+ free (ret);
return NULL;
}
return &ret->root.root;
}
-static int
+/* Free an mn10300 ELF linker hash table. */
+
+static void
+elf32_mn10300_link_hash_table_free (hash)
+ struct bfd_link_hash_table *hash;
+{
+ struct elf32_mn10300_link_hash_table *ret
+ = (struct elf32_mn10300_link_hash_table *) hash;
+
+ _bfd_generic_link_hash_table_free
+ ((struct bfd_link_hash_table *) ret->static_hash_table);
+ _bfd_generic_link_hash_table_free
+ ((struct bfd_link_hash_table *) ret);
+}
+
+static unsigned long
elf_mn10300_mach (flags)
flagword flags;
{
switch (flags & EF_MN10300_MACH)
{
- case E_MN10300_MACH_MN10300:
- default:
- return bfd_mach_mn10300;
-
- /* start-sanitize-am33 */
- case E_MN10300_MACH_AM33:
- return bfd_mach_am33;
- /* end-sanitize-am33 */
+ case E_MN10300_MACH_MN10300:
+ default:
+ return bfd_mach_mn10300;
+
+ case E_MN10300_MACH_AM33:
+ return bfd_mach_am33;
}
}
file. This gets the MN10300 architecture right based on the machine
number. */
-/*ARGSUSED*/
void
_bfd_mn10300_elf_final_write_processing (abfd, linker)
bfd *abfd;
- boolean linker;
+ bfd_boolean linker ATTRIBUTE_UNUSED;
{
unsigned long val;
- unsigned int i;
- Elf_Internal_Shdr **hdrpp;
- const char *name;
- asection *sec;
switch (bfd_get_mach (abfd))
{
- default:
- case bfd_mach_mn10300:
- val = E_MN10300_MACH_MN10300;
- break;
-
- /* start-sanitize-am33 */
- case bfd_mach_am33:
- val = E_MN10300_MACH_AM33;
- break;
- /* end-sanitize-am33 */
+ default:
+ case bfd_mach_mn10300:
+ val = E_MN10300_MACH_MN10300;
+ break;
+
+ case bfd_mach_am33:
+ val = E_MN10300_MACH_AM33;
+ break;
}
elf_elfheader (abfd)->e_flags &= ~ (EF_MN10300_MACH);
elf_elfheader (abfd)->e_flags |= val;
}
-boolean
+bfd_boolean
_bfd_mn10300_elf_object_p (abfd)
bfd *abfd;
{
bfd_default_set_arch_mach (abfd, bfd_arch_mn10300,
- elf_mn10300_mach (elf_elfheader (abfd)->e_flags));
- return true;
+ elf_mn10300_mach (elf_elfheader (abfd)->e_flags));
+ return TRUE;
+}
+
+/* Merge backend specific data from an object file to the output
+ object file when linking. */
+
+bfd_boolean
+_bfd_mn10300_elf_merge_private_bfd_data (ibfd, obfd)
+ bfd *ibfd;
+ bfd *obfd;
+{
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return TRUE;
+
+ if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
+ && bfd_get_mach (obfd) < bfd_get_mach (ibfd))
+ {
+ if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
+ bfd_get_mach (ibfd)))
+ return FALSE;
+ }
+
+ return TRUE;
}
#define TARGET_LITTLE_SYM bfd_elf32_mn10300_vec
#define TARGET_LITTLE_NAME "elf32-mn10300"
#define ELF_ARCH bfd_arch_mn10300
-#define ELF_MACHINE_CODE EM_CYGNUS_MN10300
+#define ELF_MACHINE_CODE EM_MN10300
+#define ELF_MACHINE_ALT1 EM_CYGNUS_MN10300
#define ELF_MAXPAGESIZE 0x1000
-#define elf_info_to_howto mn10300_info_to_howto
-#define elf_info_to_howto_rel 0
-#define elf_backend_relocate_section mn10300_elf_relocate_section
+#define elf_info_to_howto mn10300_info_to_howto
+#define elf_info_to_howto_rel 0
+#define elf_backend_can_gc_sections 1
+#define elf_backend_rela_normal 1
+#define elf_backend_check_relocs mn10300_elf_check_relocs
+#define elf_backend_gc_mark_hook mn10300_elf_gc_mark_hook
+#define elf_backend_relocate_section mn10300_elf_relocate_section
#define bfd_elf32_bfd_relax_section mn10300_elf_relax_section
#define bfd_elf32_bfd_get_relocated_section_contents \
mn10300_elf_get_relocated_section_contents
#define bfd_elf32_bfd_link_hash_table_create \
elf32_mn10300_link_hash_table_create
+#define bfd_elf32_bfd_link_hash_table_free \
+ elf32_mn10300_link_hash_table_free
#define elf_symbol_leading_char '_'
_bfd_mn10300_elf_final_write_processing
#define elf_backend_object_p _bfd_mn10300_elf_object_p
+#define bfd_elf32_bfd_merge_private_bfd_data \
+ _bfd_mn10300_elf_merge_private_bfd_data
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff