-/* BFD back-end for Hitachi H8/300 COFF binaries.
+/* BFD back-end for Renesas H8/300 COFF binaries.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Written by Steve Chamberlain, <sac@cygnus.com>.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.h"
static struct bfd_hash_entry *
funcvec_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-
-static bfd_boolean
-funcvec_hash_table_init
- PARAMS ((struct funcvec_hash_table *, bfd *,
- struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
- struct bfd_hash_table *,
- const char *)));
+ (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
static bfd_reloc_status_type special
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+ (bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
static int select_reloc
- PARAMS ((reloc_howto_type *));
+ (reloc_howto_type *);
static void rtype2howto
- PARAMS ((arelent *, struct internal_reloc *));
+ (arelent *, struct internal_reloc *);
static void reloc_processing
- PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *));
+ (arelent *, struct internal_reloc *, asymbol **, bfd *, asection *);
static bfd_boolean h8300_symbol_address_p
- PARAMS ((bfd *, asection *, bfd_vma));
+ (bfd *, asection *, bfd_vma);
static int h8300_reloc16_estimate
- PARAMS ((bfd *, asection *, arelent *, unsigned int,
- struct bfd_link_info *));
+ (bfd *, asection *, arelent *, unsigned int,
+ struct bfd_link_info *);
static void h8300_reloc16_extra_cases
- PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
- bfd_byte *, unsigned int *, unsigned int *));
+ (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
+ bfd_byte *, unsigned int *, unsigned int *);
static bfd_boolean h8300_bfd_link_add_symbols
- PARAMS ((bfd *, struct bfd_link_info *));
+ (bfd *, struct bfd_link_info *);
/* To lookup a value in the function vector hash table. */
#define funcvec_hash_lookup(table, string, create, copy) \
struct funcvec_hash_table *funcvec_hash_table;
};
-static struct bfd_link_hash_table *h8300_coff_link_hash_table_create
- PARAMS ((bfd *));
+static struct bfd_link_hash_table *h8300_coff_link_hash_table_create (bfd *);
/* Get the H8/300 COFF linker hash table from a link_info structure. */
a new entry is added to the funcvec hash table. */
static struct bfd_hash_entry *
-funcvec_hash_newfunc (entry, gen_table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *gen_table;
- const char *string;
+funcvec_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *gen_table,
+ const char *string)
{
struct funcvec_hash_entry *ret;
struct funcvec_hash_table *table;
/* Bump the offset at which we store entries in the function
vector. We'd like to bump up the size of the vectors section,
but it's not easily available here. */
- if (bfd_get_mach (table->abfd) == bfd_mach_h8300)
- table->offset += 2;
- else if (bfd_get_mach (table->abfd) == bfd_mach_h8300h
- || bfd_get_mach (table->abfd) == bfd_mach_h8300s)
- table->offset += 4;
- else
- return NULL;
+ switch (bfd_get_mach (table->abfd))
+ {
+ case bfd_mach_h8300:
+ case bfd_mach_h8300hn:
+ case bfd_mach_h8300sn:
+ table->offset += 2;
+ break;
+ case bfd_mach_h8300h:
+ case bfd_mach_h8300s:
+ table->offset += 4;
+ break;
+ default:
+ return NULL;
+ }
/* Everything went OK. */
return (struct bfd_hash_entry *) ret;
/* Initialize the function vector hash table. */
static bfd_boolean
-funcvec_hash_table_init (table, abfd, newfunc)
- struct funcvec_hash_table *table;
- bfd *abfd;
- struct bfd_hash_entry *(*newfunc)
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
- const char *));
+funcvec_hash_table_init (struct funcvec_hash_table *table,
+ bfd *abfd,
+ struct bfd_hash_entry *(*newfunc)
+ (struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *),
+ unsigned int entsize)
{
/* Initialize our local fields, then call the generic initialization
routine. */
table->offset = 0;
table->abfd = abfd;
- return (bfd_hash_table_init (&table->root, newfunc));
+ return (bfd_hash_table_init (&table->root, newfunc, entsize));
}
/* Create the derived linker hash table. We use a derived hash table
without using static variables. */
static struct bfd_link_hash_table *
-h8300_coff_link_hash_table_create (abfd)
- bfd *abfd;
+h8300_coff_link_hash_table_create (bfd *abfd)
{
struct h8300_coff_link_hash_table *ret;
bfd_size_type amt = sizeof (struct h8300_coff_link_hash_table);
if (ret == NULL)
return NULL;
if (!_bfd_link_hash_table_init (&ret->root.root, abfd,
- _bfd_generic_link_hash_newfunc))
+ _bfd_generic_link_hash_newfunc,
+ sizeof (struct generic_link_hash_entry)))
{
free (ret);
return NULL;
ret->vectors_sec = NULL;
ret->funcvec_hash_table = NULL;
- /* OK. Everything's intialized, return the base pointer. */
+ /* OK. Everything's initialized, return the base pointer. */
return &ret->root.root;
}
the addend until the final link. */
static bfd_reloc_status_type
-special (abfd, reloc_entry, symbol, data, input_section, output_bfd,
- error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *reloc_entry ATTRIBUTE_UNUSED;
- asymbol *symbol ATTRIBUTE_UNUSED;
- PTR data ATTRIBUTE_UNUSED;
- asection *input_section ATTRIBUTE_UNUSED;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
+special (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ PTR data ATTRIBUTE_UNUSED,
+ asection *input_section ATTRIBUTE_UNUSED,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
the function vector's entry in the jsr instruction. */
HOWTO (R_MEM_INDIRECT, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, special, "8/indirect", FALSE, 0x000000ff, 0x000000ff, FALSE),
- /* Internal reloc for relaxing. This is created when a 16bit pc-relative
- branch is turned into an 8bit pc-relative branch. */
+ /* Internal reloc for relaxing. This is created when a 16-bit pc-relative
+ branch is turned into an 8-bit pc-relative branch. */
HOWTO (R_PCRWORD_B, 0, 0, 8, TRUE, 0, complain_overflow_bitfield, special, "relaxed bCC:16", FALSE, 0x000000ff, 0x000000ff, FALSE),
HOWTO (R_MOVL1, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,special, "32/24 relaxable move", FALSE, 0xffffffff, 0xffffffff, FALSE),
#define SELECT_RELOC(x,howto) \
{ x.r_type = select_reloc (howto); }
-#define BADMAG(x) (H8300BADMAG (x) && H8300HBADMAG (x) && H8300SBADMAG (x))
-#define H8300 1 /* Customize coffcode.h */
+#define BADMAG(x) (H8300BADMAG (x) && H8300HBADMAG (x) && H8300SBADMAG (x) \
+ && H8300HNBADMAG(x) && H8300SNBADMAG(x))
+#define H8300 1 /* Customize coffcode.h */
#define __A_MAGIC_SET__
/* Code to swap in the reloc. */
dst->r_stuff[1] = 'C';
static int
-select_reloc (howto)
- reloc_howto_type *howto;
+select_reloc (reloc_howto_type *howto)
{
return howto->type;
}
/* Code to turn a r_type into a howto ptr, uses the above howto table. */
static void
-rtype2howto (internal, dst)
- arelent *internal;
- struct internal_reloc *dst;
+rtype2howto (arelent *internal, struct internal_reloc *dst)
{
switch (dst->r_type)
{
reloc_processing (relent, reloc, symbols, abfd, section)
static void
-reloc_processing (relent, reloc, symbols, abfd, section)
- arelent *relent;
- struct internal_reloc *reloc;
- asymbol **symbols;
- bfd *abfd;
- asection *section;
+reloc_processing (arelent *relent, struct internal_reloc *reloc,
+ asymbol **symbols, bfd *abfd, asection *section)
{
relent->address = reloc->r_vaddr;
rtype2howto (relent, reloc);
if (((int) reloc->r_symndx) > 0)
- {
- relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
- }
+ relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
else
- {
- relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
- }
+ relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
relent->addend = reloc->r_offset;
-
relent->address -= section->vma;
-#if 0
- relent->section = 0;
-#endif
}
static bfd_boolean
-h8300_symbol_address_p (abfd, input_section, address)
- bfd *abfd;
- asection *input_section;
- bfd_vma address;
+h8300_symbol_address_p (bfd *abfd, asection *input_section, bfd_vma address)
{
asymbol **s;
while (*s)
{
asymbol *p = *s;
+
if (p->section == input_section
&& (input_section->output_section->vma
+ input_section->output_offset
in the howto table. This needs to be fixed. */
static int
-h8300_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
- bfd *abfd;
- asection *input_section;
- arelent *reloc;
- unsigned int shrink;
- struct bfd_link_info *link_info;
+h8300_reloc16_estimate (bfd *abfd, asection *input_section, arelent *reloc,
+ unsigned int shrink, struct bfd_link_info *link_info)
{
bfd_vma value;
bfd_vma dot;
/* Only examine the relocs which might be relaxable. */
switch (reloc->howto->type)
{
- /* This is the 16/24 bit absolute branch which could become an 8 bit
- pc-relative branch. */
+ /* This is the 16-/24-bit absolute branch which could become an
+ 8-bit pc-relative branch. */
case R_JMP1:
case R_JMPL1:
/* Get the address of the target of this branch. */
}
break;
- /* This is the 16 bit pc-relative branch which could become an 8 bit
+ /* This is the 16-bit pc-relative branch which could become an 8-bit
pc-relative branch. */
case R_PCRWORD:
/* Get the address of the target of this branch, add one to the value
}
break;
- /* This is a 16 bit absolute address in a mov.b insn, which can
- become an 8 bit absolute address if it's in the right range. */
+ /* This is a 16-bit absolute address in a mov.b insn, which can
+ become an 8-bit absolute address if it's in the right range. */
case R_MOV16B1:
/* Get the address of the data referenced by this mov.b insn. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
+ value = bfd_h8300_pad_address (abfd, value);
- /* The address is in 0xff00..0xffff inclusive on the h8300 or
- 0xffff00..0xffffff inclusive on the h8300h, then we can
- relax this mov.b */
- if ((bfd_get_mach (abfd) == bfd_mach_h8300
- && value >= 0xff00
- && value <= 0xffff)
- || ((bfd_get_mach (abfd) == bfd_mach_h8300h
- || bfd_get_mach (abfd) == bfd_mach_h8300s)
- && value >= 0xffff00
- && value <= 0xffffff))
+ /* If the address is in the top 256 bytes of the address space
+ then we can relax this instruction. */
+ if (value >= 0xffffff00u)
{
/* Change the reloc type. */
reloc->howto = reloc->howto + 1;
}
break;
- /* Similarly for a 24 bit absolute address in a mov.b. Note that
- if we can't relax this into an 8 bit absolute, we'll fall through
- and try to relax it into a 16bit absolute. */
+ /* Similarly for a 24-bit absolute address in a mov.b. Note that
+ if we can't relax this into an 8-bit absolute, we'll fall through
+ and try to relax it into a 16-bit absolute. */
case R_MOV24B1:
/* Get the address of the data referenced by this mov.b insn. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
+ value = bfd_h8300_pad_address (abfd, value);
- /* The address is in 0xffff00..0xffffff inclusive on the h8300h,
- then we can relax this mov.b */
- if ((bfd_get_mach (abfd) == bfd_mach_h8300h
- || bfd_get_mach (abfd) == bfd_mach_h8300s)
- && value >= 0xffff00
- && value <= 0xffffff)
+ if (value >= 0xffffff00u)
{
/* Change the reloc type. */
reloc->howto = reloc->howto + 1;
break;
}
- /* FALLTHROUGH and try to turn the 32/24 bit reloc into a 16 bit
+ /* FALLTHROUGH and try to turn the 24-/32-bit reloc into a 16-bit
reloc. */
- /* This is a 24/32 bit absolute address in a mov insn, which can
- become an 16 bit absolute address if it's in the right range. */
+ /* This is a 24-/32-bit absolute address in a mov insn, which can
+ become an 16-bit absolute address if it's in the right range. */
case R_MOVL1:
/* Get the address of the data referenced by this mov insn. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
+ value = bfd_h8300_pad_address (abfd, value);
- /* If this address is in 0x0000..0x7fff inclusive or
- 0xff8000..0xffffff inclusive, then it can be relaxed. */
- if (value <= 0x7fff || value >= 0xff8000)
+ /* If the address is a sign-extended 16-bit value then we can
+ relax this instruction. */
+ if (value <= 0x7fff || value >= 0xffff8000u)
{
/* Change the reloc type. */
reloc->howto = howto_table + 17;
FIXME: Not all relocations check for overflow! */
static void
-h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
- dst_ptr)
- bfd *abfd;
- struct bfd_link_info *link_info;
- struct bfd_link_order *link_order;
- arelent *reloc;
- bfd_byte *data;
- unsigned int *src_ptr;
- unsigned int *dst_ptr;
+h8300_reloc16_extra_cases (bfd *abfd, struct bfd_link_info *link_info,
+ struct bfd_link_order *link_order, arelent *reloc,
+ bfd_byte *data, unsigned int *src_ptr,
+ unsigned int *dst_ptr)
{
unsigned int src_address = *src_ptr;
unsigned int dst_address = *dst_ptr;
bfd_vma value;
bfd_vma dot;
int gap, tmp;
+ unsigned char temp_code;
switch (reloc->howto->type)
{
- /* Generic 8bit pc-relative relocation. */
+ /* Generic 8-bit pc-relative relocation. */
case R_PCRBYTE:
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
- dot = (link_order->offset
+ dot = (input_section->output_offset
+ dst_address
+ link_order->u.indirect.section->output_section->vma);
if (gap < -128 || gap > 126)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
/* Everything looks OK. Apply the relocation and update the
src/dst address appropriately. */
-
bfd_put_8 (abfd, gap, data + dst_address);
dst_address++;
src_address++;
/* All done. */
break;
- /* Generic 16bit pc-relative relocation. */
+ /* Generic 16-bit pc-relative relocation. */
case R_PCRWORD:
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
/* Get the address of the instruction (not the reloc). */
- dot = (link_order->offset
+ dot = (input_section->output_offset
+ dst_address
+ link_order->u.indirect.section->output_section->vma + 1);
if (gap > 32766 || gap < -32768)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
/* Everything looks OK. Apply the relocation and update the
src/dst address appropriately. */
-
bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
dst_address += 2;
src_address += 2;
/* All done. */
break;
- /* Generic 8bit absolute relocation. */
+ /* Generic 8-bit absolute relocation. */
case R_RELBYTE:
/* Get the address of the object referenced by this insn. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
- /* Sanity check. */
- if (value <= 0xff
- || (value >= 0x0000ff00 && value <= 0x0000ffff)
- || (value >= 0x00ffff00 && value <= 0x00ffffff)
- || (value >= 0xffffff00 && value <= 0xffffffff))
- {
- /* Everything looks OK. Apply the relocation and update the
- src/dst address appropriately. */
-
- bfd_put_8 (abfd, value & 0xff, data + dst_address);
- dst_address += 1;
- src_address += 1;
- }
- else
- {
- if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
- reloc->howto->name, reloc->addend, input_section->owner,
- input_section, reloc->address)))
- abort ();
- }
+ bfd_put_8 (abfd, value & 0xff, data + dst_address);
+ dst_address += 1;
+ src_address += 1;
/* All done. */
break;
- /* Various simple 16bit absolute relocations. */
+ /* Various simple 16-bit absolute relocations. */
case R_MOV16B1:
case R_JMP1:
case R_RELWORD:
src_address += 2;
break;
- /* Various simple 24/32bit absolute relocations. */
+ /* Various simple 24-/32-bit absolute relocations. */
case R_MOV24B1:
case R_MOVL1:
case R_RELLONG:
src_address += 4;
break;
- /* Another 24/32bit absolute relocation. */
+ /* Another 24-/32-bit absolute relocation. */
case R_JMPL1:
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
src_address += 4;
break;
- /* A 16bit abolute relocation that was formerlly a 24/32bit
- absolute relocation. */
+ /* This is a 24-/32-bit absolute address in one of the following
+ instructions:
+
+ "band", "bclr", "biand", "bild", "bior", "bist", "bixor",
+ "bld", "bnot", "bor", "bset", "bst", "btst", "bxor", "ldc.w",
+ "stc.w" and "mov.[bwl]"
+
+ We may relax this into an 16-bit absolute address if it's in
+ the right range. */
case R_MOVL2:
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
+ value = bfd_h8300_pad_address (abfd, value);
/* Sanity check. */
- if (value <= 0x7fff || value >= 0xff8000)
+ if (value <= 0x7fff || value >= 0xffff8000u)
{
- /* Insert the 16bit value into the proper location. */
+ /* Insert the 16-bit value into the proper location. */
bfd_put_16 (abfd, value, data + dst_address);
- /* Fix the opcode. For all the move insns, we simply
- need to turn off bit 0x20 in the previous byte. */
+ /* Fix the opcode. For all the instructions that belong to
+ this relaxation, we simply need to turn off bit 0x20 in
+ the previous byte. */
data[dst_address - 1] &= ~0x20;
dst_address += 2;
src_address += 4;
else
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
}
break;
- /* A 16bit absolute branch that is now an 8-bit pc-relative branch. */
+ /* A 16-bit absolute branch that is now an 8-bit pc-relative branch. */
case R_JMP2:
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
/* Get the address of the next instruction. */
- dot = (link_order->offset
+ dot = (input_section->output_offset
+ dst_address
+ link_order->u.indirect.section->output_section->vma + 1);
if (gap < -128 || gap > 126)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
bfd_put_8 (abfd, 0x55, data + dst_address - 1);
break;
case 0x5a:
- /* jmp ->bra */
+ /* jmp -> bra */
bfd_put_8 (abfd, 0x40, data + dst_address - 1);
break;
abort ();
}
- /* Write out the 8bit value. */
+ /* Write out the 8-bit value. */
bfd_put_8 (abfd, gap, data + dst_address);
dst_address += 1;
break;
- /* A 16bit pc-relative branch that is now an 8-bit pc-relative branch. */
+ /* A 16-bit pc-relative branch that is now an 8-bit pc-relative branch. */
case R_PCRWORD_B:
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
/* Get the address of the instruction (not the reloc). */
- dot = (link_order->offset
+ dot = (input_section->output_offset
+ dst_address
+ link_order->u.indirect.section->output_section->vma - 1);
if (gap < -128 || gap > 126)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
{
case 0x58:
/* bCC:16 -> bCC:8 */
- /* Get the condition code from the original insn. */
+ /* Get the second byte of the original insn, which contains
+ the condition code. */
tmp = data[dst_address - 1];
+
+ /* Compute the fisrt byte of the relaxed instruction. The
+ original sequence 0x58 0xX0 is relaxed to 0x4X, where X
+ represents the condition code. */
tmp &= 0xf0;
tmp >>= 4;
-
- /* Now or in the high nibble of the opcode. */
tmp |= 0x40;
/* Write it. */
/* Output the target. */
bfd_put_8 (abfd, gap, data + dst_address - 1);
- /* We don't advance dst_address -- the 8bit reloc is applied at
+ /* We don't advance dst_address -- the 8-bit reloc is applied at
dst_address - 1, so the next insn should begin at dst_address. */
src_address += 2;
break;
- /* Similarly for a 24bit absolute that is now 8 bits. */
+ /* Similarly for a 24-bit absolute that is now 8 bits. */
case R_JMPL2:
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
/* Get the address of the instruction (not the reloc). */
- dot = (link_order->offset
+ dot = (input_section->output_offset
+ dst_address
+ link_order->u.indirect.section->output_section->vma + 2);
break;
- /* A 16bit absolute mov.b that is now an 8bit absolute mov.b. */
+ /* This is a 16-bit absolute address in one of the following
+ instructions:
+
+ "band", "bclr", "biand", "bild", "bior", "bist", "bixor",
+ "bld", "bnot", "bor", "bset", "bst", "btst", "bxor", and
+ "mov.b"
+
+ We may relax this into an 8-bit absolute address if it's in
+ the right range. */
case R_MOV16B2:
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
- /* Sanity check. */
+ /* All instructions with R_H8_DIR16B2 start with 0x6a. */
if (data[dst_address - 2] != 0x6a)
abort ();
+ temp_code = data[src_address - 1];
+
+ /* If this is a mov.b instruction, clear the lower nibble, which
+ contains the source/destination register number. */
+ if ((temp_code & 0x10) != 0x10)
+ temp_code &= 0xf0;
+
/* Fix up the opcode. */
- switch (data[src_address - 1] & 0xf0)
+ switch (temp_code)
{
case 0x00:
+ /* This is mov.b @aa:16,Rd. */
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x20;
break;
case 0x80:
+ /* This is mov.b Rs,@aa:16. */
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x30;
break;
+ case 0x18:
+ /* This is a bit-maniputation instruction that stores one
+ bit into memory, one of "bclr", "bist", "bnot", "bset",
+ and "bst". */
+ data[dst_address - 2] = 0x7f;
+ break;
+ case 0x10:
+ /* This is a bit-maniputation instruction that loads one bit
+ from memory, one of "band", "biand", "bild", "bior",
+ "bixor", "bld", "bor", "btst", and "bxor". */
+ data[dst_address - 2] = 0x7e;
+ break;
default:
abort ();
}
src_address += 2;
break;
- /* Similarly for a 24bit mov.b */
+ /* This is a 24-bit absolute address in one of the following
+ instructions:
+
+ "band", "bclr", "biand", "bild", "bior", "bist", "bixor",
+ "bld", "bnot", "bor", "bset", "bst", "btst", "bxor", and
+ "mov.b"
+
+ We may relax this into an 8-bit absolute address if it's in
+ the right range. */
case R_MOV24B2:
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
- /* Sanity check. */
+ /* All instructions with R_MOV24B2 start with 0x6a. */
if (data[dst_address - 2] != 0x6a)
abort ();
+ temp_code = data[src_address - 1];
+
+ /* If this is a mov.b instruction, clear the lower nibble, which
+ contains the source/destination register number. */
+ if ((temp_code & 0x30) != 0x30)
+ temp_code &= 0xf0;
+
/* Fix up the opcode. */
- switch (data[src_address - 1] & 0xf0)
+ switch (temp_code)
{
case 0x20:
+ /* This is mov.b @aa:24/32,Rd. */
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x20;
break;
case 0xa0:
+ /* This is mov.b Rs,@aa:24/32. */
data[dst_address - 2] = (data[src_address - 1] & 0xf) | 0x30;
break;
+ case 0x38:
+ /* This is a bit-maniputation instruction that stores one
+ bit into memory, one of "bclr", "bist", "bnot", "bset",
+ and "bst". */
+ data[dst_address - 2] = 0x7f;
+ break;
+ case 0x30:
+ /* This is a bit-maniputation instruction that loads one bit
+ from memory, one of "band", "biand", "bild", "bior",
+ "bixor", "bld", "bor", "btst", and "bxor". */
+ data[dst_address - 2] = 0x7e;
+ break;
default:
abort ();
}
/* Get the address of the target of this branch. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
- dot = (link_order->offset
+ dot = (input_section->output_offset
+ dst_address
+ link_order->u.indirect.section->output_section->vma) + 1;
if (gap < -128 || gap > 126)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
src_address += 4;
break;
- /* An 8bit memory indirect instruction (jmp/jsr).
+ /* An 8-bit memory indirect instruction (jmp/jsr).
There's several things that need to be done to handle
this relocation.
else
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
name = symbol->name;
if (symbol->flags & BSF_LOCAL)
{
- char *new_name = bfd_malloc ((bfd_size_type) strlen (name) + 9);
+ char *new_name = bfd_malloc ((bfd_size_type) strlen (name) + 10);
+
if (new_name == NULL)
abort ();
- strcpy (new_name, name);
- sprintf (new_name + strlen (name), "_%08x",
- (int) symbol->section);
+ sprintf (new_name, "%s_%08x", name, symbol->section->id);
name = new_name;
}
src_address++;
/* Now create an entry in the function vector itself. */
- if (bfd_get_mach (input_section->owner) == bfd_mach_h8300)
- bfd_put_16 (abfd,
- bfd_coff_reloc16_get_value (reloc,
- link_info,
- input_section),
- vectors_sec->contents + h->offset);
- else if (bfd_get_mach (input_section->owner) == bfd_mach_h8300h
- || bfd_get_mach (input_section->owner) == bfd_mach_h8300s)
- bfd_put_32 (abfd,
- bfd_coff_reloc16_get_value (reloc,
- link_info,
- input_section),
- vectors_sec->contents + h->offset);
- else
- abort ();
+ switch (bfd_get_mach (input_section->owner))
+ {
+ case bfd_mach_h8300:
+ case bfd_mach_h8300hn:
+ case bfd_mach_h8300sn:
+ bfd_put_16 (abfd,
+ bfd_coff_reloc16_get_value (reloc,
+ link_info,
+ input_section),
+ vectors_sec->contents + h->offset);
+ break;
+ case bfd_mach_h8300h:
+ case bfd_mach_h8300s:
+ bfd_put_32 (abfd,
+ bfd_coff_reloc16_get_value (reloc,
+ link_info,
+ input_section),
+ vectors_sec->contents + h->offset);
+ break;
+ default:
+ abort ();
+ }
/* Gross. We've already written the contents of the vector section
before we get here... So we write it again with the new data. */
vectors_sec->output_section,
vectors_sec->contents,
(file_ptr) vectors_sec->output_offset,
- vectors_sec->_raw_size);
+ vectors_sec->size);
break;
}
selected static symbols to the bfd linker hash table. */
static bfd_boolean
-h8300_bfd_link_add_symbols (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+h8300_bfd_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
{
asection *sec;
struct funcvec_hash_table *funcvec_hash_table;
/* Make sure the appropriate flags are set, including SEC_IN_MEMORY. */
flags = (SEC_ALLOC | SEC_LOAD
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY);
- htab->vectors_sec = bfd_make_section (abfd, ".vectors");
+ htab->vectors_sec = bfd_make_section_with_flags (abfd, ".vectors",
+ flags);
/* If the section wasn't created, or we couldn't set the flags,
quit quickly now, rather than dying a painful death later. */
- if (!htab->vectors_sec
- || !bfd_set_section_flags (abfd, htab->vectors_sec, flags))
+ if (!htab->vectors_sec)
return FALSE;
/* Also create the vector hash table. */
/* And initialize the funcvec hash table. */
if (!funcvec_hash_table_init (funcvec_hash_table, abfd,
- funcvec_hash_newfunc))
+ funcvec_hash_newfunc,
+ sizeof (struct funcvec_hash_entry)))
{
bfd_release (abfd, funcvec_hash_table);
return FALSE;
{
char *new_name;
- new_name = bfd_malloc ((bfd_size_type) strlen (name) + 9);
+ new_name = bfd_malloc ((bfd_size_type) strlen (name) + 10);
if (new_name == NULL)
abort ();
- strcpy (new_name, name);
- sprintf (new_name + strlen (name), "_%08x",
- (int) symbol->section);
+ sprintf (new_name, "%s_%08x", name, symbol->section->id);
name = new_name;
}
/* Bump the size of the vectors section. Each vector
takes 2 bytes on the h8300 and 4 bytes on the h8300h. */
- if (bfd_get_mach (abfd) == bfd_mach_h8300)
- htab->vectors_sec->_raw_size += 2;
- else if (bfd_get_mach (abfd) == bfd_mach_h8300h
- || bfd_get_mach (abfd) == bfd_mach_h8300s)
- htab->vectors_sec->_raw_size += 4;
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_h8300:
+ case bfd_mach_h8300hn:
+ case bfd_mach_h8300sn:
+ htab->vectors_sec->size += 2;
+ break;
+ case bfd_mach_h8300h:
+ case bfd_mach_h8300s:
+ htab->vectors_sec->size += 4;
+ break;
+ default:
+ abort ();
+ }
}
}
}
/* Now actually allocate some space for the function vector. It's
wasteful to do this more than once, but this is easier. */
sec = htab->vectors_sec;
- if (sec->_raw_size != 0)
+ if (sec->size != 0)
{
/* Free the old contents. */
if (sec->contents)
free (sec->contents);
/* Allocate new contents. */
- sec->contents = bfd_malloc (sec->_raw_size);
+ sec->contents = bfd_malloc (sec->size);
}
return TRUE;
bfd_coff_reloc16_get_relocated_section_contents
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
-CREATE_BIG_COFF_TARGET_VEC (h8300coff_vec, "coff-h8300", BFD_IS_RELAXABLE, 0, '_', NULL)
+CREATE_BIG_COFF_TARGET_VEC (h8300coff_vec, "coff-h8300", BFD_IS_RELAXABLE, 0, '_', NULL, COFF_SWAP_TABLE)
projects / deliverable / binutils-gdb.git / blobdiff