static boolean mn10200_elf_relax_delete_bytes
PARAMS ((bfd *, asection *, bfd_vma, int));
static boolean mn10200_elf_symbol_address_p
- PARAMS ((bfd *, asection *, bfd_vma));
+ PARAMS ((bfd *, asection *, Elf_Internal_Sym *, bfd_vma));
static bfd_reloc_status_type mn10200_elf_final_link_relocate
PARAMS ((reloc_howto_type *, bfd *, bfd *, asection *,
bfd_byte *, bfd_vma, bfd_vma, bfd_vma,
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
bfd_byte *, boolean, asymbol **));
-/* We have to use RELA instructions since md_apply_fix3 in the assembler
- does absolutely nothing. */
-#define USE_RELA
-
enum reloc_type {
R_MN10200_NONE = 0,
R_MN10200_32,
boolean *again;
{
Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Shdr *shndx_hdr;
Elf_Internal_Rela *internal_relocs;
- 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_External_Sym_Shndx *shndx_buf = NULL;
+ Elf_Internal_Sym *isymbuf = NULL;
/* Assume nothing changes. */
*again = false;
sec->_cooked_size = sec->_raw_size;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
/* Get a copy of the native relocations. */
internal_relocs = (_bfd_elf32_link_read_relocs
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)
+ /* Read this BFD's local symbols if we haven't done so already. */
+ 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. */
- bfd_size_type amt;
-
- amt = symtab_hdr->sh_info;
- amt *= sizeof (Elf32_External_Sym);
- extsyms = (Elf32_External_Sym *) bfd_malloc (amt);
- if (extsyms == NULL)
- goto error_return;
- free_extsyms = extsyms;
- if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) extsyms, amt, abfd) != amt)
- goto error_return;
- symtab_hdr->contents = (bfd_byte *) extsyms;
- }
-
- if (shndx_hdr->sh_size != 0)
- {
- bfd_size_type amt;
-
- amt = symtab_hdr->sh_info;
- amt *= sizeof (Elf_External_Sym_Shndx);
- shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt);
- if (shndx_buf == NULL)
- goto error_return;
- if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) shndx_buf, amt, abfd) != amt)
- goto error_return;
- shndx_hdr->contents = (bfd_byte *) shndx_buf;
- }
+ 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)
{
/* A local symbol. */
- Elf32_External_Sym *esym;
- Elf_External_Sym_Shndx *shndx;
- Elf_Internal_Sym isym;
+ Elf_Internal_Sym *isym;
asection *sym_sec;
- esym = extsyms + ELF32_R_SYM (irel->r_info);
- shndx = shndx_buf + (shndx_buf ? ELF32_R_SYM (irel->r_info) : 0);
- bfd_elf32_swap_symbol_in (abfd, (const PTR *) esym,
- (const PTR *) shndx, &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 == 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
+ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ symval = (isym->st_value
+ sym_sec->output_section->vma
+ sym_sec->output_offset);
}
/* 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;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
if (code == 0xe0)
/* 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;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xea, contents + irel->r_offset - 1);
/* We also have to be sure there is no symbol/label
at the unconditional branch. */
- if (mn10200_elf_symbol_address_p (abfd, sec, irel->r_offset + 1))
+ if (mn10200_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;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Reverse the condition of the first branch. */
switch (code)
/* Note that we've changed the reldection contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
- free_relocs = NULL;
-
elf_section_data (sec)->this_hdr.contents = contents;
- free_contents = NULL;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xf8 + (code & 0x03),
case 0xc8:
/* Note that we've changed the reldection contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
- free_relocs = NULL;
-
elf_section_data (sec)->this_hdr.contents = contents;
- free_contents = NULL;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
if ((code & 0xfc) == 0x74)
code = 0xdc + (code & 0x03);
/* Note that we've changed the reldection contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
- free_relocs = NULL;
-
elf_section_data (sec)->this_hdr.contents = contents;
- free_contents = NULL;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
/* Fix the opcode. */
bfd_put_8 (abfd, 0xf7, contents + irel->r_offset - 2);
case 0xc4:
/* Note that we've changed the reldection contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
- free_relocs = NULL;
-
elf_section_data (sec)->this_hdr.contents = contents;
- free_contents = NULL;
-
- free_extsyms = NULL;
+ symtab_hdr->contents = (unsigned char *) isymbuf;
bfd_put_8 (abfd, 0xcc + (code & 0x03),
contents + irel->r_offset - 2);
}
}
- if (free_relocs != NULL)
- free (free_relocs);
-
- 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;
}
}
- if (shndx_buf != NULL)
- {
- shndx_hdr->contents = NULL;
- free (shndx_buf);
- }
-
- if (free_extsyms != NULL)
+ if (contents != NULL
+ && elf_section_data (sec)->this_hdr.contents != contents)
{
if (! link_info->keep_memory)
+ free (contents);
+ else
{
- symtab_hdr->contents = NULL;
- free (free_extsyms);
+ /* Cache the section contents for elf_link_input_bfd. */
+ elf_section_data (sec)->this_hdr.contents = contents;
}
}
+ 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 (shndx_buf != NULL)
- {
- shndx_hdr->contents = NULL;
- free (shndx_buf);
- }
- if (free_extsyms != NULL)
- {
- symtab_hdr->contents = NULL;
- free (free_extsyms);
- }
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
+ if (contents != NULL
+ && elf_section_data (sec)->this_hdr.contents != contents)
+ free (contents);
+ if (internal_relocs != NULL
+ && elf_section_data (sec)->relocs != internal_relocs)
+ free (internal_relocs);
return false;
}
int count;
{
Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Shdr *shndx_hdr;
- Elf32_External_Sym *extsyms;
unsigned int sec_shndx;
bfd_byte *contents;
Elf_Internal_Rela *irel, *irelend;
Elf_Internal_Rela *irelalign;
bfd_vma toaddr;
- Elf32_External_Sym *esym, *esymend;
- Elf_External_Sym_Shndx *shndx;
+ Elf_Internal_Sym *isym;
+ 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;
- extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
-
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
contents = elf_section_data (sec)->this_hdr.contents;
}
/* Adjust the local symbols defined in this section. */
- shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
- shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
- esym = extsyms;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
+ 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;
- Elf_External_Sym_Shndx dummy;
-
- bfd_elf32_swap_symbol_in (abfd, (const PTR *) esym, (const PTR *) shndx,
- &isym);
-
- if (isym.st_shndx == sec_shndx
- && isym.st_value > addr
- && isym.st_value < toaddr)
- {
- isym.st_value -= count;
- bfd_elf32_swap_symbol_out (abfd, &isym, (PTR) esym, (PTR) &dummy);
- }
+ 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. */
/* Return true if a symbol exists at the given address, else return
false. */
static boolean
-mn10200_elf_symbol_address_p (abfd, sec, addr)
+mn10200_elf_symbol_address_p (abfd, sec, isym, addr)
bfd *abfd;
asection *sec;
+ Elf_Internal_Sym *isym;
bfd_vma addr;
{
Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Shdr *shndx_hdr;
unsigned int sec_shndx;
- Elf32_External_Sym *esym, *esymend;
- Elf_External_Sym_Shndx *shndx;
+ Elf_Internal_Sym *isymend;
struct elf_link_hash_entry **sym_hashes;
struct elf_link_hash_entry **end_hashes;
unsigned int symcount;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
- /* Examine all the symbols. */
+ /* Examine all the local symbols. */
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
- shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
- esym = (Elf32_External_Sym *) symtab_hdr->contents;
- esymend = esym + symtab_hdr->sh_info;
- for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
+ for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
{
- Elf_Internal_Sym isym;
-
- bfd_elf32_swap_symbol_in (abfd, (const PTR *) esym, (const PTR *) shndx,
- &isym);
-
- if (isym.st_shndx == sec_shndx
- && isym.st_value == addr)
+ if (isym->st_shndx == sec_shndx
+ && isym->st_value == addr)
return true;
}
asymbol **symbols;
{
Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Shdr *shndx_hdr;
asection *input_section = link_order->u.indirect.section;
bfd *input_bfd = input_section->owner;
asection **sections = NULL;
Elf_Internal_Rela *internal_relocs = NULL;
- Elf32_External_Sym *external_syms = NULL;
- Elf_External_Sym_Shndx *shndx_buf = NULL;
- Elf_External_Sym_Shndx *shndx;
- 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. */
symbols);
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- shndx_hdr = &elf_tdata (input_bfd)->symtab_shndx_hdr;
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
(size_t) input_section->_raw_size);
if ((input_section->flags & SEC_RELOC) != 0
&& input_section->reloc_count > 0)
{
- Elf_Internal_Sym *isymp;
+ Elf_Internal_Sym *isym;
+ Elf_Internal_Sym *isymend;
asection **secpp;
- Elf32_External_Sym *esym, *esymend;
bfd_size_type amt;
- if (symtab_hdr->contents != NULL)
- external_syms = (Elf32_External_Sym *) symtab_hdr->contents;
- else if (symtab_hdr->sh_info != 0)
- {
- amt = symtab_hdr->sh_info;
- amt *= sizeof (Elf32_External_Sym);
- external_syms = (Elf32_External_Sym *) bfd_malloc (amt);
- if (external_syms == NULL)
- goto error_return;
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) external_syms, amt, input_bfd) != amt)
- goto error_return;
- }
-
- if (symtab_hdr->sh_info != 0 && shndx_hdr->sh_size != 0)
- {
- amt = symtab_hdr->sh_info;
- amt *= sizeof (Elf_External_Sym_Shndx);
- shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt);
- if (shndx_buf == NULL)
- goto error_return;
- if (bfd_seek (input_bfd, shndx_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) shndx_buf, amt, input_bfd) != amt)
- goto error_return;
- }
-
internal_relocs = (_bfd_elf32_link_read_relocs
(input_bfd, input_section, (PTR) NULL,
(Elf_Internal_Rela *) NULL, false));
if (internal_relocs == NULL)
goto error_return;
- amt = symtab_hdr->sh_info;
- amt *= sizeof (Elf_Internal_Sym);
- internal_syms = (Elf_Internal_Sym *) bfd_malloc (amt);
- if (internal_syms == NULL && amt != 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;
+ }
amt = symtab_hdr->sh_info;
amt *= sizeof (asection *);
if (sections == NULL && amt != 0)
goto error_return;
- for (isymp = internal_syms, secpp = sections, shndx = shndx_buf,
- esym = external_syms, esymend = esym + symtab_hdr->sh_info;
- esym < esymend;
- ++esym, ++isymp, ++secpp, shndx = (shndx ? shndx + 1 : NULL))
+ isymend = isymbuf + symtab_hdr->sh_info;
+ for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
{
asection *isec;
- bfd_elf32_swap_symbol_in (input_bfd, (const PTR *) esym,
- (const PTR *) shndx, isymp);
-
- if (isymp->st_shndx == SHN_UNDEF)
+ if (isym->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
- 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
- isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
+ isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
*secpp = isec;
}
if (! mn10200_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);
- if (internal_syms != NULL)
- free (internal_syms);
- if (shndx_buf != NULL)
- free (shndx_buf);
- if (external_syms != NULL && symtab_hdr->contents == NULL)
- free (external_syms);
- if (internal_relocs != elf_section_data (input_section)->relocs)
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
+ if (elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
}
return data;
error_return:
- if (internal_relocs != NULL
- && internal_relocs != elf_section_data (input_section)->relocs)
- free (internal_relocs);
- if (shndx_buf != NULL)
- free (shndx_buf);
- if (external_syms != NULL && symtab_hdr->contents == NULL)
- free (external_syms);
- if (internal_syms != NULL)
- free (internal_syms);
if (sections != NULL)
free (sections);
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
+ if (internal_relocs != NULL
+ && elf_section_data (input_section)->relocs != internal_relocs)
+ free (internal_relocs);
return NULL;
}
projects / deliverable / binutils-gdb.git / blobdiff