/* Motorola 68HC11/HC12-specific support for 32-bit ELF
- Copyright (C) 1999-2014 Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
Contributed by Stephane Carrez (stcarrez@nerim.fr)
This file is part of BFD, the Binary File Descriptor library.
#include "elf32-m68hc1x.h"
#include "elf/m68hc11.h"
#include "opcode/m68hc11.h"
-
+#include "libiberty.h"
#define m68hc12_stub_hash_lookup(table, string, create, copy) \
((struct elf32_m68hc11_stub_hash_entry *) \
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
static void m68hc11_elf_set_symbol (bfd* abfd, struct bfd_link_info *info,
- const char* name, bfd_vma value,
- asection* sec);
+ const char* name, bfd_vma value,
+ asection* sec);
static bfd_boolean m68hc11_elf_export_one_stub
(struct bfd_hash_entry *gen_entry, void *in_arg);
};
+/* Destroy a 68HC11/68HC12 ELF linker hash table. */
+
+static void
+m68hc11_elf_bfd_link_hash_table_free (bfd *obfd)
+{
+ struct m68hc11_elf_link_hash_table *ret
+ = (struct m68hc11_elf_link_hash_table *) obfd->link.hash;
+
+ bfd_hash_table_free (ret->stub_hash_table);
+ free (ret->stub_hash_table);
+ _bfd_elf_link_hash_table_free (obfd);
+}
+
/* Create a 68HC11/68HC12 ELF linker hash table. */
struct m68hc11_elf_link_hash_table*
m68hc11_elf_hash_table_create (bfd *abfd)
{
struct m68hc11_elf_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct m68hc11_elf_link_hash_table);
+ size_t amt = sizeof (struct m68hc11_elf_link_hash_table);
ret = (struct m68hc11_elf_link_hash_table *) bfd_zmalloc (amt);
if (ret == (struct m68hc11_elf_link_hash_table *) NULL)
ret->stub_hash_table = (struct bfd_hash_table*) bfd_malloc (amt);
if (ret->stub_hash_table == NULL)
{
- free (ret);
+ _bfd_elf_link_hash_table_free (abfd);
return NULL;
}
if (!bfd_hash_table_init (ret->stub_hash_table, stub_hash_newfunc,
sizeof (struct elf32_m68hc11_stub_hash_entry)))
- return NULL;
+ {
+ free (ret->stub_hash_table);
+ _bfd_elf_link_hash_table_free (abfd);
+ return NULL;
+ }
+ ret->root.root.hash_table_free = m68hc11_elf_bfd_link_hash_table_free;
return ret;
}
-/* Free the derived linker hash table. */
-
-void
-m68hc11_elf_bfd_link_hash_table_free (struct bfd_link_hash_table *hash)
-{
- struct m68hc11_elf_link_hash_table *ret
- = (struct m68hc11_elf_link_hash_table *) hash;
-
- bfd_hash_table_free (ret->stub_hash_table);
- free (ret->stub_hash_table);
- _bfd_elf_link_hash_table_free (hash);
-}
-
/* Assorted hash table functions. */
/* Initialize an entry in the stub hash table. */
static struct bfd_hash_entry *
stub_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
- const char *string)
+ const char *string)
{
/* Allocate the structure if it has not already been allocated by a
subclass. */
static struct elf32_m68hc11_stub_hash_entry *
m68hc12_add_stub (const char *stub_name, asection *section,
- struct m68hc11_elf_link_hash_table *htab)
+ struct m68hc11_elf_link_hash_table *htab)
{
struct elf32_m68hc11_stub_hash_entry *stub_entry;
/* Enter this entry into the linker stub hash table. */
stub_entry = m68hc12_stub_hash_lookup (htab->stub_hash_table, stub_name,
- TRUE, FALSE);
+ TRUE, FALSE);
if (stub_entry == NULL)
{
- (*_bfd_error_handler) (_("%B: cannot create stub entry %s"),
- section->owner, stub_name);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: cannot create stub entry %s"),
+ section->owner, stub_name);
return NULL;
}
if (htab->stub_section == 0)
{
htab->stub_section = (*htab->add_stub_section) (".tramp",
- htab->tramp_section);
+ htab->tramp_section);
}
stub_entry->stub_sec = htab->stub_section;
bfd_boolean
elf32_m68hc11_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
- Elf_Internal_Sym *sym,
- const char **namep ATTRIBUTE_UNUSED,
- flagword *flagsp ATTRIBUTE_UNUSED,
- asection **secp ATTRIBUTE_UNUSED,
- bfd_vma *valp ATTRIBUTE_UNUSED)
+ Elf_Internal_Sym *sym,
+ const char **namep ATTRIBUTE_UNUSED,
+ flagword *flagsp ATTRIBUTE_UNUSED,
+ asection **secp ATTRIBUTE_UNUSED,
+ bfd_vma *valp ATTRIBUTE_UNUSED)
{
if (sym->st_other & STO_M68HC12_FAR)
{
h = (struct elf_link_hash_entry *)
bfd_link_hash_lookup (info->hash, "__far_trampoline",
- FALSE, FALSE, FALSE);
+ FALSE, FALSE, FALSE);
if (h == NULL)
- {
- struct bfd_link_hash_entry* entry = NULL;
-
- _bfd_generic_link_add_one_symbol (info, abfd,
- "__far_trampoline",
- BSF_GLOBAL,
- bfd_und_section_ptr,
- (bfd_vma) 0, (const char*) NULL,
- FALSE, FALSE, &entry);
- }
+ {
+ struct bfd_link_hash_entry* entry = NULL;
+
+ _bfd_generic_link_add_one_symbol (info, abfd,
+ "__far_trampoline",
+ BSF_GLOBAL,
+ bfd_und_section_ptr,
+ (bfd_vma) 0, (const char*) NULL,
+ FALSE, FALSE, &entry);
+ }
}
return TRUE;
{
bfd *input_bfd;
unsigned int bfd_count;
- int top_id, top_index;
+ unsigned int top_id, top_index;
asection *section;
asection **input_list, **list;
- bfd_size_type amt;
+ size_t amt;
asection *text_section;
struct m68hc11_elf_link_hash_table *htab;
section != NULL;
section = section->next)
{
- const char* name = bfd_get_section_name (input_bfd, section);
+ const char *name = bfd_section_name (section);
- if (!strcmp (name, ".tramp"))
- htab->tramp_section = section;
+ if (!strcmp (name, ".tramp"))
+ htab->tramp_section = section;
- if (!strcmp (name, ".text"))
- text_section = section;
+ if (!strcmp (name, ".text"))
+ text_section = section;
if (top_id < section->id)
top_id = section->id;
bfd_boolean
elf32_m68hc11_size_stubs (bfd *output_bfd, bfd *stub_bfd,
- struct bfd_link_info *info,
- asection * (*add_stub_section) (const char*, asection*))
+ struct bfd_link_info *info,
+ asection * (*add_stub_section) (const char*, asection*))
{
bfd *input_bfd;
asection *section;
Elf_Internal_Sym *local_syms, **all_local_syms;
unsigned int bfd_indx, bfd_count;
- bfd_size_type amt;
+ size_t amt;
asection *stub_sec;
struct m68hc11_elf_link_hash_table *htab = m68hc11_elf_hash_table (info);
symtab_hdr->contents = (unsigned char *) local_syms;
}
if (local_syms == NULL)
- {
- free (all_local_syms);
+ {
+ free (all_local_syms);
return FALSE;
- }
+ }
all_local_syms[bfd_indx] = local_syms;
}
/* We'll need the symbol table in a second. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
if (symtab_hdr->sh_info == 0)
- continue;
+ continue;
local_syms = all_local_syms[bfd_indx];
/* Walk over each section attached to the input bfd. */
for (section = input_bfd->sections;
- section != NULL;
- section = section->next)
- {
- Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
-
- /* If there aren't any relocs, then there's nothing more
- to do. */
- if ((section->flags & SEC_RELOC) == 0
- || section->reloc_count == 0)
- continue;
-
- /* If this section is a link-once section that will be
- discarded, then don't create any stubs. */
- if (section->output_section == NULL
- || section->output_section->owner != output_bfd)
- continue;
-
- /* Get the relocs. */
- internal_relocs
- = _bfd_elf_link_read_relocs (input_bfd, section, NULL,
+ section != NULL;
+ section = section->next)
+ {
+ Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
+
+ /* If there aren't any relocs, then there's nothing more
+ to do. */
+ if ((section->flags & SEC_RELOC) == 0
+ || section->reloc_count == 0)
+ continue;
+
+ /* If this section is a link-once section that will be
+ discarded, then don't create any stubs. */
+ if (section->output_section == NULL
+ || section->output_section->owner != output_bfd)
+ continue;
+
+ /* Get the relocs. */
+ internal_relocs
+ = _bfd_elf_link_read_relocs (input_bfd, section, NULL,
(Elf_Internal_Rela *) NULL,
info->keep_memory);
- if (internal_relocs == NULL)
- goto error_ret_free_local;
-
- /* Now examine each relocation. */
- irela = internal_relocs;
- irelaend = irela + section->reloc_count;
- for (; irela < irelaend; irela++)
- {
- unsigned int r_type, r_indx;
- struct elf32_m68hc11_stub_hash_entry *stub_entry;
- asection *sym_sec;
- bfd_vma sym_value;
- struct elf_link_hash_entry *hash;
- const char *stub_name;
- Elf_Internal_Sym *sym;
-
- r_type = ELF32_R_TYPE (irela->r_info);
-
- /* Only look at 16-bit relocs. */
- if (r_type != (unsigned int) R_M68HC11_16)
- continue;
-
- /* Now determine the call target, its name, value,
- section. */
- r_indx = ELF32_R_SYM (irela->r_info);
- if (r_indx < symtab_hdr->sh_info)
- {
- /* It's a local symbol. */
- Elf_Internal_Shdr *hdr;
- bfd_boolean is_far;
-
- sym = local_syms + r_indx;
- is_far = (sym && (sym->st_other & STO_M68HC12_FAR));
- if (!is_far)
- continue;
+ if (internal_relocs == NULL)
+ goto error_ret_free_local;
+
+ /* Now examine each relocation. */
+ irela = internal_relocs;
+ irelaend = irela + section->reloc_count;
+ for (; irela < irelaend; irela++)
+ {
+ unsigned int r_type, r_indx;
+ struct elf32_m68hc11_stub_hash_entry *stub_entry;
+ asection *sym_sec;
+ bfd_vma sym_value;
+ struct elf_link_hash_entry *hash;
+ const char *stub_name;
+ Elf_Internal_Sym *sym;
+
+ r_type = ELF32_R_TYPE (irela->r_info);
+
+ /* Only look at 16-bit relocs. */
+ if (r_type != (unsigned int) R_M68HC11_16)
+ continue;
+
+ /* Now determine the call target, its name, value,
+ section. */
+ r_indx = ELF32_R_SYM (irela->r_info);
+ if (r_indx < symtab_hdr->sh_info)
+ {
+ /* It's a local symbol. */
+ Elf_Internal_Shdr *hdr;
+ bfd_boolean is_far;
+
+ sym = local_syms + r_indx;
+ is_far = (sym && (sym->st_other & STO_M68HC12_FAR));
+ if (!is_far)
+ continue;
if (sym->st_shndx >= elf_numsections (input_bfd))
sym_sec = NULL;
hdr = elf_elfsections (input_bfd)[sym->st_shndx];
sym_sec = hdr->bfd_section;
}
- stub_name = (bfd_elf_string_from_elf_section
- (input_bfd, symtab_hdr->sh_link,
- sym->st_name));
- sym_value = sym->st_value;
- hash = NULL;
- }
- else
- {
- /* It's an external symbol. */
- int e_indx;
-
- e_indx = r_indx - symtab_hdr->sh_info;
- hash = (struct elf_link_hash_entry *)
- (sym_hashes[e_indx]);
-
- while (hash->root.type == bfd_link_hash_indirect
- || hash->root.type == bfd_link_hash_warning)
- hash = ((struct elf_link_hash_entry *)
- hash->root.u.i.link);
-
- if (hash->root.type == bfd_link_hash_defined
- || hash->root.type == bfd_link_hash_defweak
- || hash->root.type == bfd_link_hash_new)
- {
- if (!(hash->other & STO_M68HC12_FAR))
- continue;
- }
- else if (hash->root.type == bfd_link_hash_undefweak)
- {
- continue;
- }
- else if (hash->root.type == bfd_link_hash_undefined)
- {
- continue;
- }
- else
- {
- bfd_set_error (bfd_error_bad_value);
- goto error_ret_free_internal;
- }
- sym_sec = hash->root.u.def.section;
- sym_value = hash->root.u.def.value;
- stub_name = hash->root.root.string;
- }
-
- if (!stub_name)
- goto error_ret_free_internal;
-
- stub_entry = m68hc12_stub_hash_lookup
- (htab->stub_hash_table,
- stub_name,
- FALSE, FALSE);
- if (stub_entry == NULL)
- {
- if (add_stub_section == 0)
- continue;
-
- stub_entry = m68hc12_add_stub (stub_name, section, htab);
- if (stub_entry == NULL)
- {
- error_ret_free_internal:
- if (elf_section_data (section)->relocs == NULL)
- free (internal_relocs);
- goto error_ret_free_local;
- }
- }
-
- stub_entry->target_value = sym_value;
- stub_entry->target_section = sym_sec;
- }
-
- /* We're done with the internal relocs, free them. */
- if (elf_section_data (section)->relocs == NULL)
- free (internal_relocs);
- }
+ stub_name = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link,
+ sym->st_name));
+ sym_value = sym->st_value;
+ hash = NULL;
+ }
+ else
+ {
+ /* It's an external symbol. */
+ int e_indx;
+
+ e_indx = r_indx - symtab_hdr->sh_info;
+ hash = (struct elf_link_hash_entry *)
+ (sym_hashes[e_indx]);
+
+ while (hash->root.type == bfd_link_hash_indirect
+ || hash->root.type == bfd_link_hash_warning)
+ hash = ((struct elf_link_hash_entry *)
+ hash->root.u.i.link);
+
+ if (hash->root.type == bfd_link_hash_defined
+ || hash->root.type == bfd_link_hash_defweak
+ || hash->root.type == bfd_link_hash_new)
+ {
+ if (!(hash->other & STO_M68HC12_FAR))
+ continue;
+ }
+ else if (hash->root.type == bfd_link_hash_undefweak)
+ {
+ continue;
+ }
+ else if (hash->root.type == bfd_link_hash_undefined)
+ {
+ continue;
+ }
+ else
+ {
+ bfd_set_error (bfd_error_bad_value);
+ goto error_ret_free_internal;
+ }
+ sym_sec = hash->root.u.def.section;
+ sym_value = hash->root.u.def.value;
+ stub_name = hash->root.root.string;
+ }
+
+ if (!stub_name)
+ goto error_ret_free_internal;
+
+ stub_entry = m68hc12_stub_hash_lookup
+ (htab->stub_hash_table,
+ stub_name,
+ FALSE, FALSE);
+ if (stub_entry == NULL)
+ {
+ if (add_stub_section == 0)
+ continue;
+
+ stub_entry = m68hc12_add_stub (stub_name, section, htab);
+ if (stub_entry == NULL)
+ {
+ error_ret_free_internal:
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ goto error_ret_free_local;
+ }
+ }
+
+ stub_entry->target_value = sym_value;
+ stub_entry->target_section = sym_sec;
+ }
+
+ /* We're done with the internal relocs, free them. */
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ }
}
if (add_stub_section)
{
/* OK, we've added some stubs. Find out the new size of the
- stub sections. */
+ stub sections. */
for (stub_sec = htab->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- {
- stub_sec->size = 0;
- }
+ stub_sec != NULL;
+ stub_sec = stub_sec->next)
+ {
+ stub_sec->size = 0;
+ }
bfd_hash_traverse (htab->stub_hash_table, htab->size_one_stub, htab);
}
result = (* htab->build_one_stub) (gen_entry, in_arg);
/* Make a printable name that does not conflict with the real function. */
- name = alloca (strlen (stub_entry->root.string) + 16);
- sprintf (name, "tramp.%s", stub_entry->root.string);
+ name = concat ("tramp.", stub_entry->root.string, NULL);
/* Export the symbol for debugging/disassembling. */
m68hc11_elf_set_symbol (htab->stub_bfd, info, name,
- stub_entry->stub_offset,
- stub_entry->stub_sec);
+ stub_entry->stub_offset,
+ stub_entry->stub_sec);
+ free (name);
return result;
}
/* Export a symbol or set its value and section. */
static void
m68hc11_elf_set_symbol (bfd *abfd, struct bfd_link_info *info,
- const char *name, bfd_vma value, asection *sec)
+ const char *name, bfd_vma value, asection *sec)
{
struct elf_link_hash_entry *h;
if (h == NULL)
{
_bfd_generic_link_add_one_symbol (info, abfd,
- name,
- BSF_GLOBAL,
- sec,
- value,
- (const char*) NULL,
- TRUE, FALSE, NULL);
+ name,
+ BSF_GLOBAL,
+ sec,
+ value,
+ (const char*) NULL,
+ TRUE, FALSE, NULL);
}
else
{
if (param.use_memory_banks)
{
m68hc11_elf_set_symbol (abfd, info, BFD_M68HC11_BANK_START_NAME,
- htab->pinfo.bank_physical,
- bfd_abs_section_ptr);
+ htab->pinfo.bank_physical,
+ bfd_abs_section_ptr);
m68hc11_elf_set_symbol (abfd, info, BFD_M68HC11_BANK_VIRTUAL_NAME,
- htab->pinfo.bank_virtual,
- bfd_abs_section_ptr);
+ htab->pinfo.bank_virtual,
+ bfd_abs_section_ptr);
m68hc11_elf_set_symbol (abfd, info, BFD_M68HC11_BANK_SIZE_NAME,
- htab->pinfo.bank_size,
- bfd_abs_section_ptr);
+ htab->pinfo.bank_size,
+ bfd_abs_section_ptr);
}
return TRUE;
pinfo->bank_size = 1 << M68HC12_BANK_SHIFT;
h = bfd_link_hash_lookup (info->hash, BFD_M68HC11_BANK_START_NAME,
- FALSE, FALSE, TRUE);
+ FALSE, FALSE, TRUE);
if (h != (struct bfd_link_hash_entry*) NULL
&& h->type == bfd_link_hash_defined)
pinfo->bank_physical = (h->u.def.value
- + h->u.def.section->output_section->vma
- + h->u.def.section->output_offset);
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
h = bfd_link_hash_lookup (info->hash, BFD_M68HC11_BANK_VIRTUAL_NAME,
- FALSE, FALSE, TRUE);
+ FALSE, FALSE, TRUE);
if (h != (struct bfd_link_hash_entry*) NULL
&& h->type == bfd_link_hash_defined)
pinfo->bank_virtual = (h->u.def.value
- + h->u.def.section->output_section->vma
- + h->u.def.section->output_offset);
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
h = bfd_link_hash_lookup (info->hash, BFD_M68HC11_BANK_SIZE_NAME,
- FALSE, FALSE, TRUE);
+ FALSE, FALSE, TRUE);
if (h != (struct bfd_link_hash_entry*) NULL
&& h->type == bfd_link_hash_defined)
pinfo->bank_size = (h->u.def.value
- + h->u.def.section->output_section->vma
- + h->u.def.section->output_offset);
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
pinfo->bank_shift = 0;
for (i = pinfo->bank_size; i != 0; i >>= 1)
pinfo->bank_param_initialized = 1;
h = bfd_link_hash_lookup (info->hash, "__far_trampoline", FALSE,
- FALSE, TRUE);
+ FALSE, TRUE);
if (h != (struct bfd_link_hash_entry*) NULL
&& h->type == bfd_link_hash_defined)
pinfo->trampoline_addr = (h->u.def.value
- + h->u.def.section->output_section->vma
- + h->u.def.section->output_offset);
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
}
/* Return 1 if the address is in banked memory.
bfd_reloc_status_type
m68hc11_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *reloc_entry,
- asymbol *symbol ATTRIBUTE_UNUSED,
- void *data ATTRIBUTE_UNUSED,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
+ arelent *reloc_entry,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ void *data ATTRIBUTE_UNUSED,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd != NULL)
reloc_entry->address += input_section->output_offset;
bfd_reloc_status_type
m68hc11_elf_special_reloc (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *reloc_entry,
- asymbol *symbol,
- void *data ATTRIBUTE_UNUSED,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void *data ATTRIBUTE_UNUSED,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
bfd_boolean
elf32_m68hc11_check_relocs (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
+ asection *sec, const Elf_Internal_Rela *relocs)
{
- Elf_Internal_Shdr * symtab_hdr;
+ Elf_Internal_Shdr * symtab_hdr;
struct elf_link_hash_entry ** sym_hashes;
- const Elf_Internal_Rela * rel;
- const Elf_Internal_Rela * rel_end;
+ const Elf_Internal_Rela * rel;
+ const Elf_Internal_Rela * rel_end;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
+ h = NULL;
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)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref = 1;
}
switch (ELF32_R_TYPE (rel->r_info))
- {
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_M68HC11_GNU_VTINHERIT:
- if (!bfd_elf_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_M68HC11_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
- }
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_M68HC11_GNU_VTINHERIT:
+ if (!bfd_elf_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_M68HC11_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+ }
}
return TRUE;
}
+static bfd_boolean ATTRIBUTE_PRINTF (6, 7)
+reloc_warning (struct bfd_link_info *info, const char *name, bfd *input_bfd,
+ asection *input_section, const Elf_Internal_Rela *rel,
+ const char *fmt, ...)
+{
+ va_list ap;
+ char *buf;
+ int ret;
+
+ va_start (ap, fmt);
+ ret = vasprintf (&buf, fmt, ap);
+ va_end (ap);
+ if (ret < 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return FALSE;
+ }
+ info->callbacks->warning (info, buf, name, input_bfd, input_section,
+ rel->r_offset);
+ free (buf);
+ return TRUE;
+}
+
/* Relocate a 68hc11/68hc12 ELF section. */
bfd_boolean
elf32_m68hc11_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info,
- bfd *input_bfd, asection *input_section,
- bfd_byte *contents, Elf_Internal_Rela *relocs,
- Elf_Internal_Sym *local_syms,
- asection **local_sections)
+ struct bfd_link_info *info,
+ bfd *input_bfd, asection *input_section,
+ bfd_byte *contents, Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
{
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
bfd_boolean is_section_symbol = FALSE;
struct elf_link_hash_entry *h;
bfd_vma val;
+ const char *msg;
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type == R_M68HC11_GNU_VTENTRY
- || r_type == R_M68HC11_GNU_VTINHERIT)
- continue;
+ || r_type == R_M68HC11_GNU_VTINHERIT)
+ continue;
- (*ebd->elf_info_to_howto_rel) (input_bfd, &arel, rel);
+ if (! (*ebd->elf_info_to_howto_rel) (input_bfd, &arel, rel))
+ continue;
howto = arel.howto;
h = NULL;
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
if (is_far && ELF32_R_TYPE (rel->r_info) == R_M68HC11_16)
phys_addr = m68hc11_phys_addr (pinfo, relocation + rel->r_addend);
phys_page = m68hc11_phys_page (pinfo, relocation + rel->r_addend);
switch (r_type)
- {
- case R_M68HC12_LO8XG:
- /* This relocation is specific to XGATE IMM16 calls and will precede
+ {
+ case R_M68HC12_LO8XG:
+ /* This relocation is specific to XGATE IMM16 calls and will precede
a HI8. tc-m68hc11 only generates them in pairs.
Leave the relocation to the HI8XG step. */
- r = bfd_reloc_ok;
- r_type = R_M68HC11_NONE;
- break;
+ r = bfd_reloc_ok;
+ r_type = R_M68HC11_NONE;
+ break;
- case R_M68HC12_HI8XG:
- /* This relocation is specific to XGATE IMM16 calls and must follow
- a LO8XG. Does not actually check that it was a LO8XG.
+ case R_M68HC12_HI8XG:
+ /* This relocation is specific to XGATE IMM16 calls and must follow
+ a LO8XG. Does not actually check that it was a LO8XG.
Adjusts high and low bytes. */
- relocation = phys_addr;
- if ((e_flags & E_M68HC11_XGATE_RAMOFFSET)
+ relocation = phys_addr;
+ if ((e_flags & E_M68HC11_XGATE_RAMOFFSET)
&& (relocation >= 0x2000))
relocation += 0xc000; /* HARDCODED RAM offset for XGATE. */
- /* Fetch 16 bit value including low byte in previous insn. */
- val = (bfd_get_8 (input_bfd, (bfd_byte*) contents + rel->r_offset) << 8)
+ /* Fetch 16 bit value including low byte in previous insn. */
+ val = (bfd_get_8 (input_bfd, (bfd_byte*) contents + rel->r_offset) << 8)
| bfd_get_8 (input_bfd, (bfd_byte*) contents + rel->r_offset - 2);
- /* Add on value to preserve carry, then write zero to high byte. */
- relocation += val;
+ /* Add on value to preserve carry, then write zero to high byte. */
+ relocation += val;
- /* Write out top byte. */
- bfd_put_8 (input_bfd, (relocation >> 8) & 0xff,
+ /* Write out top byte. */
+ bfd_put_8 (input_bfd, (relocation >> 8) & 0xff,
(bfd_byte*) contents + rel->r_offset);
- /* Write out low byte to previous instruction. */
- bfd_put_8 (input_bfd, relocation & 0xff,
+ /* Write out low byte to previous instruction. */
+ bfd_put_8 (input_bfd, relocation & 0xff,
(bfd_byte*) contents + rel->r_offset - 2);
- /* Mark as relocation completed. */
- r = bfd_reloc_ok;
- r_type = R_M68HC11_NONE;
- break;
-
- /* The HI8 and LO8 relocs are generated by %hi(expr) %lo(expr)
- assembler directives. %hi does not support carry. */
- case R_M68HC11_HI8:
- case R_M68HC11_LO8:
- relocation = phys_addr;
- break;
-
- case R_M68HC11_24:
- /* Reloc used by 68HC12 call instruction. */
- bfd_put_16 (input_bfd, phys_addr,
- (bfd_byte*) contents + rel->r_offset);
- bfd_put_8 (input_bfd, phys_page,
- (bfd_byte*) contents + rel->r_offset + 2);
- r = bfd_reloc_ok;
- r_type = R_M68HC11_NONE;
- break;
-
- case R_M68HC11_NONE:
- r = bfd_reloc_ok;
- break;
-
- case R_M68HC11_LO16:
- /* Reloc generated by %addr(expr) gas to obtain the
- address as mapped in the memory bank window. */
- relocation = phys_addr;
- break;
-
- case R_M68HC11_PAGE:
- /* Reloc generated by %page(expr) gas to obtain the
- page number associated with the address. */
- relocation = phys_page;
- break;
-
- case R_M68HC11_16:
- /* Get virtual address of instruction having the relocation. */
- if (is_far)
- {
- const char* msg;
- char* buf;
- msg = _("Reference to the far symbol `%s' using a wrong "
- "relocation may result in incorrect execution");
- buf = alloca (strlen (msg) + strlen (name) + 10);
- sprintf (buf, msg, name);
-
- (* info->callbacks->warning)
- (info, buf, name, input_bfd, NULL, rel->r_offset);
- }
-
- /* Get virtual address of instruction having the relocation. */
- insn_addr = input_section->output_section->vma
- + input_section->output_offset
- + rel->r_offset;
-
- insn_page = m68hc11_phys_page (pinfo, insn_addr);
-
- /* If we are linking an S12 instruction against an XGATE symbol, we
- need to change the offset of the symbol value so that it's correct
+ /* Mark as relocation completed. */
+ r = bfd_reloc_ok;
+ r_type = R_M68HC11_NONE;
+ break;
+
+ /* The HI8 and LO8 relocs are generated by %hi(expr) %lo(expr)
+ assembler directives. %hi does not support carry. */
+ case R_M68HC11_HI8:
+ case R_M68HC11_LO8:
+ relocation = phys_addr;
+ break;
+
+ case R_M68HC11_24:
+ /* Reloc used by 68HC12 call instruction. */
+ bfd_put_16 (input_bfd, phys_addr,
+ (bfd_byte*) contents + rel->r_offset);
+ bfd_put_8 (input_bfd, phys_page,
+ (bfd_byte*) contents + rel->r_offset + 2);
+ r = bfd_reloc_ok;
+ r_type = R_M68HC11_NONE;
+ break;
+
+ case R_M68HC11_NONE:
+ r = bfd_reloc_ok;
+ break;
+
+ case R_M68HC11_LO16:
+ /* Reloc generated by %addr(expr) gas to obtain the
+ address as mapped in the memory bank window. */
+ relocation = phys_addr;
+ break;
+
+ case R_M68HC11_PAGE:
+ /* Reloc generated by %page(expr) gas to obtain the
+ page number associated with the address. */
+ relocation = phys_page;
+ break;
+
+ case R_M68HC11_16:
+ if (is_far)
+ {
+ if (!reloc_warning (info, name, input_bfd, input_section, rel,
+ _("reference to the far symbol `%s' using a "
+ "wrong relocation may result in incorrect "
+ "execution"), name))
+ return FALSE;
+ }
+
+ /* Get virtual address of instruction having the relocation. */
+ insn_addr = input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset;
+
+ insn_page = m68hc11_phys_page (pinfo, insn_addr);
+
+ /* If we are linking an S12 instruction against an XGATE symbol, we
+ need to change the offset of the symbol value so that it's correct
from the S12's perspective. */
- if (is_xgate_symbol)
+ if (is_xgate_symbol)
{
/* The ram in the global space is mapped to 0x2000 in the 16-bit
address space for S12 and 0xE000 in the 16-bit address space
}
else
{
- const char * msg;
- char * buf;
-
- msg = _("XGATE address (%lx) is not within shared RAM"
- "(0xE000-0xFFFF), therefore you must manually offset "
- "the address, and possibly manage the page, in your "
- "code.");
- buf = alloca (strlen (msg) + 128);
- sprintf (buf, msg, phys_addr);
- if (!((*info->callbacks->warning) (info, buf, name, input_bfd,
- input_section, insn_addr)))
+ if (!reloc_warning (info, name, input_bfd, input_section, rel,
+ _("XGATE address (%lx) is not within "
+ "shared RAM(0xE000-0xFFFF), therefore "
+ "you must manually offset the address, "
+ "and possibly manage the page, in your "
+ "code."), (long) phys_addr))
return FALSE;
break;
}
}
- if (m68hc11_addr_is_banked (pinfo, relocation + rel->r_addend)
- && m68hc11_addr_is_banked (pinfo, insn_addr)
- && phys_page != insn_page && !(e_flags & E_M68HC11_NO_BANK_WARNING))
- {
- const char * msg;
- char * buf;
-
- msg = _("banked address [%lx:%04lx] (%lx) is not in the same bank "
- "as current banked address [%lx:%04lx] (%lx)");
-
- buf = alloca (strlen (msg) + 128);
- sprintf (buf, msg, phys_page, phys_addr,
- (long) (relocation + rel->r_addend),
- insn_page, m68hc11_phys_addr (pinfo, insn_addr),
- (long) (insn_addr));
- if (!((*info->callbacks->warning)
- (info, buf, name, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
- break;
- }
-
- if (phys_page != 0 && insn_page == 0)
- {
- const char * msg;
- char * buf;
-
- msg = _("reference to a banked address [%lx:%04lx] in the "
- "normal address space at %04lx");
-
- buf = alloca (strlen (msg) + 128);
- sprintf (buf, msg, phys_page, phys_addr, insn_addr);
- if (!((*info->callbacks->warning)
- (info, buf, name, input_bfd, input_section,
- insn_addr)))
- return FALSE;
-
- relocation = phys_addr;
- break;
- }
-
- /* If this is a banked address use the phys_addr so that
- we stay in the banked window. */
- if (m68hc11_addr_is_banked (pinfo, relocation + rel->r_addend))
- relocation = phys_addr;
- break;
- }
+ if (m68hc11_addr_is_banked (pinfo, relocation + rel->r_addend)
+ && m68hc11_addr_is_banked (pinfo, insn_addr)
+ && phys_page != insn_page
+ && !(e_flags & E_M68HC11_NO_BANK_WARNING))
+ {
+ if (!reloc_warning (info, name, input_bfd, input_section, rel,
+ _("banked address [%lx:%04lx] (%lx) is not "
+ "in the same bank as current banked "
+ "address [%lx:%04lx] (%lx)"),
+ (long) phys_page, (long) phys_addr,
+ (long) (relocation + rel->r_addend),
+ (long) insn_page,
+ (long) m68hc11_phys_addr (pinfo, insn_addr),
+ (long) insn_addr))
+ return FALSE;
+ break;
+ }
+
+ if (phys_page != 0 && insn_page == 0)
+ {
+ if (!reloc_warning (info, name, input_bfd, input_section, rel,
+ _("reference to a banked address [%lx:%04lx] "
+ "in the normal address space at %04lx"),
+ (long) phys_page, (long) phys_addr,
+ (long) insn_addr))
+ return FALSE;
+ relocation = phys_addr;
+ break;
+ }
+
+ /* If this is a banked address use the phys_addr so that
+ we stay in the banked window. */
+ if (m68hc11_addr_is_banked (pinfo, relocation + rel->r_addend))
+ relocation = phys_addr;
+ break;
+ }
/* If we are linking an XGATE instruction against an S12 symbol, we
- need to change the offset of the symbol value so that it's correct
+ need to change the offset of the symbol value so that it's correct
from the XGATE's perspective. */
if (!strcmp (howto->name, "R_XGATE_IMM8_LO")
- || !strcmp (howto->name, "R_XGATE_IMM8_HI"))
- {
- /* We can only offset S12 addresses that lie within the non-paged
- area of RAM. */
- if (!is_xgate_symbol && !is_section_symbol)
- {
- /* The ram in the global space is mapped to 0x2000 and stops at
- 0x4000 in the 16-bit address space for S12 and 0xE000 in the
- 16-bit address space for XGATE. */
- if (relocation >= 0x2000 && relocation < 0x4000)
- /* We offset the address by the difference
- between these two mappings. */
- relocation += 0xC000;
- else
- {
- const char * msg;
- char * buf;
-
- /* Get virtual address of instruction having the relocation. */
- insn_addr = input_section->output_section->vma
- + input_section->output_offset + rel->r_offset;
-
- msg = _("S12 address (%lx) is not within shared RAM"
- "(0x2000-0x4000), therefore you must manually "
- "offset the address in your code");
- buf = alloca (strlen (msg) + 128);
- sprintf (buf, msg, phys_addr);
- if (!((*info->callbacks->warning) (info, buf, name, input_bfd,
- input_section, insn_addr)))
- return FALSE;
- break;
- }
- }
- }
+ || !strcmp (howto->name, "R_XGATE_IMM8_HI"))
+ {
+ /* We can only offset S12 addresses that lie within the non-paged
+ area of RAM. */
+ if (!is_xgate_symbol && !is_section_symbol)
+ {
+ /* The ram in the global space is mapped to 0x2000 and stops at
+ 0x4000 in the 16-bit address space for S12 and 0xE000 in the
+ 16-bit address space for XGATE. */
+ if (relocation >= 0x2000 && relocation < 0x4000)
+ /* We offset the address by the difference
+ between these two mappings. */
+ relocation += 0xC000;
+ else
+ {
+ if (!reloc_warning (info, name, input_bfd, input_section, rel,
+ _("S12 address (%lx) is not within "
+ "shared RAM(0x2000-0x4000), therefore "
+ "you must manually offset the address "
+ "in your code"), (long) phys_addr))
+ return FALSE;
+ break;
+ }
+ }
+ }
if (r_type != R_M68HC11_NONE)
- {
- if ((r_type == R_M68HC12_PCREL_9) || (r_type == R_M68HC12_PCREL_10))
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation - 2, rel->r_addend);
- else
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
- }
+ {
+ if ((r_type == R_M68HC12_PCREL_9) || (r_type == R_M68HC12_PCREL_10))
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation - 2, rel->r_addend);
+ else
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
+ }
if (r != bfd_reloc_ok)
{
- const char * msg = (const char *) 0;
-
switch (r)
{
case bfd_reloc_overflow:
- if (!((*info->callbacks->reloc_overflow)
- (info, NULL, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return FALSE;
+ (*info->callbacks->reloc_overflow)
+ (info, NULL, name, howto->name, (bfd_vma) 0,
+ input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- if (!((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
/* fall through */
common_error:
- if (!((*info->callbacks->warning)
- (info, msg, name, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
break;
}
}
object file when linking. */
bfd_boolean
-_bfd_m68hc11_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+_bfd_m68hc11_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword old_flags;
flagword new_flags;
bfd_boolean ok = TRUE;
/* Check if we have the same endianness */
- if (!_bfd_generic_verify_endian_match (ibfd, obfd))
+ if (!_bfd_generic_verify_endian_match (ibfd, info))
return FALSE;
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
/* Check ABI compatibility. */
if ((new_flags & E_M68HC11_I32) != (old_flags & E_M68HC11_I32))
{
- (*_bfd_error_handler)
- (_("%B: linking files compiled for 16-bit integers (-mshort) "
- "and others for 32-bit integers"), ibfd);
+ _bfd_error_handler
+ (_("%pB: linking files compiled for 16-bit integers (-mshort) "
+ "and others for 32-bit integers"), ibfd);
ok = FALSE;
}
if ((new_flags & E_M68HC11_F64) != (old_flags & E_M68HC11_F64))
{
- (*_bfd_error_handler)
- (_("%B: linking files compiled for 32-bit double (-fshort-double) "
- "and others for 64-bit double"), ibfd);
+ _bfd_error_handler
+ (_("%pB: linking files compiled for 32-bit double (-fshort-double) "
+ "and others for 64-bit double"), ibfd);
ok = FALSE;
}
/* Processor compatibility. */
if (!EF_M68HC11_CAN_MERGE_MACH (new_flags, old_flags))
{
- (*_bfd_error_handler)
- (_("%B: linking files compiled for HCS12 with "
- "others compiled for HC12"), ibfd);
+ _bfd_error_handler
+ (_("%pB: linking files compiled for HCS12 with "
+ "others compiled for HC12"), ibfd);
ok = FALSE;
}
new_flags = ((new_flags & ~EF_M68HC11_MACH_MASK)
- | (EF_M68HC11_MERGE_MACH (new_flags, old_flags)));
+ | (EF_M68HC11_MERGE_MACH (new_flags, old_flags)));
elf_elfheader (obfd)->e_flags = new_flags;
/* Warn about any other mismatches */
if (new_flags != old_flags)
{
- (*_bfd_error_handler)
- (_("%B: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
- ibfd, (unsigned long) new_flags, (unsigned long) old_flags);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"),
+ ibfd, new_flags, old_flags);
ok = FALSE;
}
}
static void scan_sections_for_abi (bfd *abfd ATTRIBUTE_UNUSED,
- asection *asect, void *arg)
+ asection *asect, void *arg)
{
struct m68hc11_scan_param* p = (struct m68hc11_scan_param*) arg;
/* Tweak the OSABI field of the elf header. */
-void
-elf32_m68hc11_post_process_headers (bfd *abfd, struct bfd_link_info *link_info)
+bfd_boolean
+elf32_m68hc11_init_file_header (bfd *abfd, struct bfd_link_info *link_info)
{
struct m68hc11_scan_param param;
struct m68hc11_elf_link_hash_table *htab;
+ if (!_bfd_elf_init_file_header (abfd, link_info))
+ return FALSE;
+
if (link_info == NULL)
- return;
+ return TRUE;
htab = m68hc11_elf_hash_table (link_info);
if (htab == NULL)
- return;
+ return TRUE;
m68hc11_elf_get_bank_parameters (link_info);
i_ehdrp = elf_elfheader (abfd);
i_ehdrp->e_flags |= E_M68HC12_BANKS;
}
+ return TRUE;
}
projects / thirdparty / binutils-gdb.git / blobdiff