/* BFD back-end for MIPS Extended-Coff files.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002
+ Free Software Foundation, Inc.
Original version by Per Bothner.
Full support added by Ian Lance Taylor, ian@cygnus.com.
\f
/* Prototypes for static functions. */
-static boolean mips_ecoff_bad_format_hook PARAMS ((bfd *abfd, PTR filehdr));
-static void mips_ecoff_swap_reloc_in PARAMS ((bfd *, PTR,
- struct internal_reloc *));
-static void mips_ecoff_swap_reloc_out PARAMS ((bfd *,
- const struct internal_reloc *,
- PTR));
-static void mips_adjust_reloc_in PARAMS ((bfd *,
- const struct internal_reloc *,
- arelent *));
-static void mips_adjust_reloc_out PARAMS ((bfd *, const arelent *,
- struct internal_reloc *));
-static bfd_reloc_status_type mips_generic_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static bfd_reloc_status_type mips_refhi_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static bfd_reloc_status_type mips_reflo_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static bfd_reloc_status_type mips_gprel_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static bfd_reloc_status_type mips_relhi_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static bfd_reloc_status_type mips_rello_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static bfd_reloc_status_type mips_switch_reloc PARAMS ((bfd *abfd,
- arelent *reloc,
- asymbol *symbol,
- PTR data,
- asection *section,
- bfd *output_bfd,
- char **error));
-static void mips_relocate_hi PARAMS ((struct internal_reloc *refhi,
- struct internal_reloc *reflo,
- bfd *input_bfd,
- asection *input_section,
- bfd_byte *contents,
- size_t adjust,
- bfd_vma relocation,
- boolean pcrel));
-static boolean mips_relocate_section PARAMS ((bfd *, struct bfd_link_info *,
- bfd *, asection *,
- bfd_byte *, PTR));
-static boolean mips_read_relocs PARAMS ((bfd *, asection *));
-static boolean mips_relax_section PARAMS ((bfd *, asection *,
- struct bfd_link_info *,
- boolean *));
-static boolean mips_relax_pcrel16 PARAMS ((struct bfd_link_info *, bfd *,
- asection *,
- struct ecoff_link_hash_entry *,
- bfd_byte *, bfd_vma));
+static bfd_boolean mips_ecoff_bad_format_hook
+ PARAMS ((bfd *abfd, PTR filehdr));
+static void mips_ecoff_swap_reloc_in
+ PARAMS ((bfd *, PTR, struct internal_reloc *));
+static void mips_ecoff_swap_reloc_out
+ PARAMS ((bfd *, const struct internal_reloc *, PTR));
+static void mips_adjust_reloc_in
+ PARAMS ((bfd *, const struct internal_reloc *, arelent *));
+static void mips_adjust_reloc_out
+ PARAMS ((bfd *, const arelent *, struct internal_reloc *));
+static bfd_reloc_status_type mips_generic_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static bfd_reloc_status_type mips_refhi_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static bfd_reloc_status_type mips_reflo_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static bfd_reloc_status_type mips_gprel_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static bfd_reloc_status_type mips_relhi_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static bfd_reloc_status_type mips_rello_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static bfd_reloc_status_type mips_switch_reloc
+ PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data,
+ asection *section, bfd *output_bfd, char **error));
+static void mips_relocate_hi
+ PARAMS ((struct internal_reloc *refhi, struct internal_reloc *reflo,
+ bfd *input_bfd, asection *input_section, bfd_byte *contents,
+ size_t adjust, bfd_vma relocation, bfd_boolean pcrel));
+static bfd_boolean mips_relocate_section
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, PTR));
+static bfd_boolean mips_read_relocs
+ PARAMS ((bfd *, asection *));
+static bfd_boolean mips_relax_section
+ PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
+static bfd_boolean mips_relax_pcrel16
+ PARAMS ((struct bfd_link_info *, bfd *, asection *,
+ struct ecoff_link_hash_entry *, bfd_byte *, bfd_vma));
static reloc_howto_type *mips_bfd_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
-
\f
/* ECOFF has COFF sections, but the debugging information is stored in
a completely different format. ECOFF targets use some of the
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"IGNORE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 16 bit reference to a symbol, normally from a data section. */
HOWTO (MIPS_R_REFHALF, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
mips_generic_reloc, /* special_function */
"REFHALF", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 32 bit reference to a symbol, normally from a data section. */
HOWTO (MIPS_R_REFWORD, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
mips_generic_reloc, /* special_function */
"REFWORD", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 26 bit absolute jump address. */
HOWTO (MIPS_R_JMPADDR, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
/* This needs complex overflow
bits must match the PC. */
mips_generic_reloc, /* special_function */
"JMPADDR", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0x3ffffff, /* src_mask */
0x3ffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The high 16 bits of a symbol value. Handled by the function
mips_refhi_reloc. */
16, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
mips_refhi_reloc, /* special_function */
"REFHI", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The low 16 bits of a symbol value. */
HOWTO (MIPS_R_REFLO, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
mips_reflo_reloc, /* special_function */
"REFLO", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A reference to an offset from the gp register. Handled by the
function mips_gprel_reloc. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
mips_gprel_reloc, /* special_function */
"GPREL", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A reference to a literal using an offset from the gp register.
Handled by the function mips_gprel_reloc. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
mips_gprel_reloc, /* special_function */
"LITERAL", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
- { 8 },
- { 9 },
- { 10 },
- { 11 },
+ EMPTY_HOWTO (8),
+ EMPTY_HOWTO (9),
+ EMPTY_HOWTO (10),
+ EMPTY_HOWTO (11),
/* This reloc is a Cygnus extension used when generating position
independent code for embedded systems. It represents a 16 bit PC
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
mips_generic_reloc, /* special_function */
"PCREL16", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* This reloc is a Cygnus extension used when generating position
independent code for embedded systems. It represents the high 16
16, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
mips_relhi_reloc, /* special_function */
"RELHI", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* This reloc is a Cygnus extension used when generating position
independent code for embedded systems. It represents the low 16
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
mips_rello_reloc, /* special_function */
"RELLO", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
- { 15 },
- { 16 },
- { 17 },
- { 18 },
- { 19 },
- { 20 },
- { 21 },
+ EMPTY_HOWTO (15),
+ EMPTY_HOWTO (16),
+ EMPTY_HOWTO (17),
+ EMPTY_HOWTO (18),
+ EMPTY_HOWTO (19),
+ EMPTY_HOWTO (20),
+ EMPTY_HOWTO (21),
/* This reloc is a Cygnus extension used when generating position
independent code for embedded systems. It represents an entry in
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
mips_switch_reloc, /* special_function */
"SWITCH", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- true) /* pcrel_offset */
+ TRUE) /* pcrel_offset */
};
-/* When the linker is doing relaxing, it may change a external PCREL16
+#define MIPS_HOWTO_COUNT \
+ (sizeof mips_howto_table / sizeof mips_howto_table[0])
+
+/* When the linker is doing relaxing, it may change an external PCREL16
reloc. This typically represents an instruction like
bal foo
We change it to
\f
/* See whether the magic number matches. */
-static boolean
+static bfd_boolean
mips_ecoff_bad_format_hook (abfd, filehdr)
bfd *abfd;
PTR filehdr;
{
case MIPS_MAGIC_1:
/* I don't know what endianness this implies. */
- return true;
+ return TRUE;
case MIPS_MAGIC_BIG:
case MIPS_MAGIC_BIG2:
return bfd_little_endian (abfd);
default:
- return false;
+ return FALSE;
}
}
\f
{
const RELOC *ext = (RELOC *) ext_ptr;
- intern->r_vaddr = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_vaddr);
+ intern->r_vaddr = H_GET_32 (abfd, ext->r_vaddr);
if (bfd_header_big_endian (abfd))
{
intern->r_symndx = (((int) ext->r_bits[0]
r_symndx = intern->r_offset & 0xffffff;
}
- bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr);
+ H_PUT_32 (abfd, intern->r_vaddr, ext->r_vaddr);
if (bfd_header_big_endian (abfd))
{
ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG;
|| intern->r_type == MIPS_R_RELLO)))
rptr->addend = intern->r_offset;
- rptr->howto = &ecoff_backend (abfd)->howto_table[intern->r_type];
+ rptr->howto = &mips_howto_table[intern->r_type];
}
/* Make any adjustments needed to a reloc before writing it out. None
static void
mips_adjust_reloc_out (abfd, rel, intern)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
const arelent *rel;
struct internal_reloc *intern;
{
input_section,
output_bfd,
error_message)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
- PTR data;
+ PTR data ATTRIBUTE_UNUSED;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
input_section,
output_bfd,
error_message)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_reloc_status_type ret;
bfd_vma relocation;
return bfd_reloc_outofrange;
/* Save the information, and let REFLO do the actual relocation. */
- n = (struct mips_hi *) bfd_malloc (sizeof *n);
+ n = (struct mips_hi *) bfd_malloc ((bfd_size_type) sizeof *n);
if (n == NULL)
return bfd_reloc_outofrange;
n->addr = (bfd_byte *) data + reloc_entry->address;
if ((val & 0x8000) != 0)
val += 0x10000;
- insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
- bfd_put_32 (abfd, insn, l->addr);
+ insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
+ bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
next = l->next;
free (l);
bfd *output_bfd;
char **error_message;
{
- boolean relocateable;
+ bfd_boolean relocateable;
bfd_vma gp;
bfd_vma relocation;
unsigned long val;
}
if (output_bfd != (bfd *) NULL)
- relocateable = true;
+ relocateable = TRUE;
else
{
- relocateable = false;
+ relocateable = FALSE;
output_bfd = symbol->section->output_section->owner;
}
- if (bfd_is_und_section (symbol->section)
- && relocateable == false)
+ if (bfd_is_und_section (symbol->section) && ! relocateable)
return bfd_reloc_undefined;
/* We have to figure out the gp value, so that we can adjust the
external symbol if we are producing relocateable output. */
gp = _bfd_get_gp_value (output_bfd);
if (gp == 0
- && (relocateable == false
+ && (! relocateable
|| (symbol->flags & BSF_SECTION_SYM) != 0))
{
- if (relocateable != false)
+ if (relocateable)
{
/* Make up a value. */
gp = symbol->section->output_section->vma + 0x4000;
{
for (i = 0; i < count; i++, sym++)
{
- register CONST char *name;
+ register const char *name;
name = bfd_asymbol_name (*sym);
if (*name == '_' && strcmp (name, "_gp") == 0)
gp = 4;
_bfd_set_gp_value (output_bfd, gp);
*error_message =
- (char *) "GP relative relocation when _gp not defined";
+ (char *) _("GP relative relocation when _gp not defined");
return bfd_reloc_dangerous;
}
}
/* Adjust val for the final section location and GP value. If we
are producing relocateable output, we don't want to do this for
an external symbol. */
- if (relocateable == false
+ if (! relocateable
|| (symbol->flags & BSF_SECTION_SYM) != 0)
val += relocation - gp;
- insn = (insn &~ 0xffff) | (val & 0xffff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
+ insn = (insn &~ (unsigned) 0xffff) | (val & 0xffff);
+ bfd_put_32 (abfd, (bfd_vma) insn, (bfd_byte *) data + reloc_entry->address);
- if (relocateable != false)
+ if (relocateable)
reloc_entry->address += input_section->output_offset;
/* Make sure it fit in 16 bits. */
- if (val >= 0x8000 && val < 0xffff8000)
+ if ((long) val >= 0x8000 || (long) val < -0x8000)
return bfd_reloc_overflow;
return bfd_reloc_ok;
input_section,
output_bfd,
error_message)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_reloc_status_type ret;
bfd_vma relocation;
return bfd_reloc_outofrange;
/* Save the information, and let RELLO do the actual relocation. */
- n = (struct mips_hi *) bfd_malloc (sizeof *n);
+ n = (struct mips_hi *) bfd_malloc ((bfd_size_type) sizeof *n);
if (n == NULL)
return bfd_reloc_outofrange;
n->addr = (bfd_byte *) data + reloc_entry->address;
if ((val & 0x8000) != 0)
val += 0x10000;
- insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
- bfd_put_32 (abfd, insn, l->addr);
+ insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
+ bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
next = l->next;
free (l);
requires special handling when relaxing. We don't want
bfd_perform_relocation to tamper with it at all. */
-/*ARGSUSED*/
static bfd_reloc_status_type
mips_switch_reloc (abfd,
reloc_entry,
input_section,
output_bfd,
error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **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 ATTRIBUTE_UNUSED;
+ char **error_message ATTRIBUTE_UNUSED;
{
return bfd_reloc_ok;
}
static reloc_howto_type *
mips_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
int mips_type;
case BFD_RELOC_LO16:
mips_type = MIPS_R_REFLO;
break;
- case BFD_RELOC_MIPS_GPREL:
+ case BFD_RELOC_GPREL16:
mips_type = MIPS_R_GPREL;
break;
case BFD_RELOC_MIPS_LITERAL:
return (reloc_howto_type *) NULL;
}
- return &ecoff_backend (abfd)->howto_table[mips_type];
+ return &mips_howto_table[mips_type];
}
\f
/* A helper routine for mips_relocate_section which handles the REFHI
bfd_byte *contents;
size_t adjust;
bfd_vma relocation;
- boolean pcrel;
+ bfd_boolean pcrel;
{
unsigned long insn;
unsigned long val;
unsigned long vallo;
+ if (refhi == NULL)
+ return;
+
insn = bfd_get_32 (input_bfd,
contents + adjust + refhi->r_vaddr - input_section->vma);
- vallo = (bfd_get_32 (input_bfd,
- contents + adjust + reflo->r_vaddr - input_section->vma)
- & 0xffff);
+ if (reflo == NULL)
+ vallo = 0;
+ else
+ vallo = (bfd_get_32 (input_bfd,
+ contents + adjust + reflo->r_vaddr - input_section->vma)
+ & 0xffff);
+
val = ((insn & 0xffff) << 16) + vallo;
val += relocation;
if ((val & 0x8000) != 0)
val += 0x10000;
- insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
+ insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
bfd_put_32 (input_bfd, (bfd_vma) insn,
contents + adjust + refhi->r_vaddr - input_section->vma);
}
/* Relocate a section while linking a MIPS ECOFF file. */
-static boolean
+static bfd_boolean
mips_relocate_section (output_bfd, info, input_bfd, input_section,
contents, external_relocs)
bfd *output_bfd;
asection **symndx_to_section;
struct ecoff_link_hash_entry **sym_hashes;
bfd_vma gp;
- boolean gp_undefined;
+ bfd_boolean gp_undefined;
size_t adjust;
long *offsets;
struct external_reloc *ext_rel;
struct external_reloc *ext_rel_end;
unsigned int i;
- boolean got_lo;
+ bfd_boolean got_lo;
struct internal_reloc lo_int_rel;
+ bfd_size_type amt;
BFD_ASSERT (input_bfd->xvec->byteorder
== output_bfd->xvec->byteorder);
symndx_to_section = ecoff_data (input_bfd)->symndx_to_section;
if (symndx_to_section == (asection **) NULL)
{
- symndx_to_section = ((asection **)
- bfd_alloc (input_bfd,
- (NUM_RELOC_SECTIONS
- * sizeof (asection *))));
+ amt = NUM_RELOC_SECTIONS * sizeof (asection *);
+ symndx_to_section = (asection **) bfd_alloc (input_bfd, amt);
if (!symndx_to_section)
- return false;
+ return FALSE;
symndx_to_section[RELOC_SECTION_NONE] = NULL;
symndx_to_section[RELOC_SECTION_TEXT] =
gp = _bfd_get_gp_value (output_bfd);
if (gp == 0)
- gp_undefined = true;
+ gp_undefined = TRUE;
else
- gp_undefined = false;
+ gp_undefined = FALSE;
- got_lo = false;
+ got_lo = FALSE;
adjust = 0;
for (i = 0; ext_rel < ext_rel_end; ext_rel++, i++)
{
struct internal_reloc int_rel;
- boolean use_lo;
+ bfd_boolean use_lo = FALSE;
bfd_vma addend;
reloc_howto_type *howto;
struct ecoff_link_hash_entry *h = NULL;
else
{
int_rel = lo_int_rel;
- got_lo = false;
+ got_lo = FALSE;
}
- BFD_ASSERT (int_rel.r_type < ecoff_backend (abfd)->howto_table_size);
+ BFD_ASSERT (int_rel.r_type
+ < sizeof mips_howto_table / sizeof mips_howto_table[0]);
/* The REFHI and RELHI relocs requires special handling. they
must be followed by a REFLO or RELLO reloc, respectively, and
&& int_rel.r_extern == lo_int_rel.r_extern
&& int_rel.r_symndx == lo_int_rel.r_symndx)
{
- use_lo = true;
+ use_lo = TRUE;
if (lo_ext_rel == ext_rel + 1)
- got_lo = true;
+ got_lo = TRUE;
}
}
- howto = &ecoff_backend (abfd)->howto_table[int_rel.r_type];
+ howto = &mips_howto_table[int_rel.r_type];
/* The SWITCH reloc must be handled specially. This reloc is
marks the location of a difference between two portions of an
if (gp_undefined)
{
if (! ((*info->callbacks->reloc_dangerous)
- (info, "GP relative relocation when GP not defined",
+ (info, _("GP relative relocation used when GP not defined"),
input_bfd, input_section,
int_rel.r_vaddr - input_section->vma)))
- return false;
+ return FALSE;
/* Only give the error once per link. */
gp = 4;
_bfd_set_gp_value (output_bfd, gp);
- gp_undefined = false;
+ gp_undefined = FALSE;
}
if (! int_rel.r_extern)
{
memmove (here + PCREL16_EXPANSION_ADJUSTMENT, here,
(size_t) (input_section->_raw_size
- (int_rel.r_vaddr - input_section->vma)));
-
+
/* Generate the new instructions. */
if (! mips_relax_pcrel16 (info, input_bfd, input_section,
h, here,
+ (int_rel.r_vaddr
- input_section->vma)
+ adjust)))
- return false;
+ return FALSE;
/* We must adjust everything else up a notch. */
adjust += PCREL16_EXPANSION_ADJUSTMENT;
int_rel.r_symndx = RELOC_SECTION_TEXT;
break;
}
-
+
if (int_rel.r_symndx == -1)
abort ();
(info, h->root.root.string, input_bfd,
input_section,
int_rel.r_vaddr - input_section->vma)))
- return false;
+ return FALSE;
int_rel.r_symndx = 0;
}
relocation = 0;
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section,
- int_rel.r_vaddr - input_section->vma)))
- return false;
+ int_rel.r_vaddr - input_section->vma, TRUE)))
+ return FALSE;
relocation = 0;
}
}
(info, name, howto->name, (bfd_vma) 0,
input_bfd, input_section,
int_rel.r_vaddr - input_section->vma)))
- return false;
+ return FALSE;
}
break;
}
}
}
- return true;
+ return TRUE;
}
\f
/* Read in the relocs for a section. */
-static boolean
+static bfd_boolean
mips_read_relocs (abfd, sec)
bfd *abfd;
asection *sec;
{
struct ecoff_section_tdata *section_tdata;
+ bfd_size_type amt;
section_tdata = ecoff_section_data (abfd, sec);
if (section_tdata == (struct ecoff_section_tdata *) NULL)
{
- sec->used_by_bfd =
- (PTR) bfd_alloc (abfd, sizeof (struct ecoff_section_tdata));
+ amt = sizeof (struct ecoff_section_tdata);
+ sec->used_by_bfd = (PTR) bfd_alloc (abfd, amt);
if (sec->used_by_bfd == NULL)
- return false;
+ return FALSE;
section_tdata = ecoff_section_data (abfd, sec);
section_tdata->external_relocs = NULL;
if (section_tdata->external_relocs == NULL)
{
- bfd_size_type external_relocs_size;
-
- external_relocs_size = (ecoff_backend (abfd)->external_reloc_size
- * sec->reloc_count);
-
- section_tdata->external_relocs =
- (PTR) bfd_alloc (abfd, external_relocs_size);
- if (section_tdata->external_relocs == NULL && external_relocs_size != 0)
- return false;
+ amt = ecoff_backend (abfd)->external_reloc_size;
+ amt *= sec->reloc_count;
+ section_tdata->external_relocs = (PTR) bfd_alloc (abfd, amt);
+ if (section_tdata->external_relocs == NULL && amt != 0)
+ return FALSE;
if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0
- || (bfd_read (section_tdata->external_relocs, 1,
- external_relocs_size, abfd)
- != external_relocs_size))
- return false;
+ || bfd_bread (section_tdata->external_relocs, amt, abfd) != amt)
+ return FALSE;
}
- return true;
+ return TRUE;
}
/* Relax a section when linking a MIPS ECOFF file. This is used for
routine and the mips_relocate_section routine is the table of
offsets. */
-static boolean
+static bfd_boolean
mips_relax_section (abfd, sec, info, again)
bfd *abfd;
asection *sec;
struct bfd_link_info *info;
- boolean *again;
+ bfd_boolean *again;
{
struct ecoff_section_tdata *section_tdata;
bfd_byte *contents = NULL;
unsigned int i;
/* Assume we are not going to need another pass. */
- *again = false;
+ *again = FALSE;
/* If we are not generating an ECOFF file, this is much too
confusing to deal with. */
if (info->hash->creator->flavour != bfd_get_flavour (abfd))
- return true;
+ return TRUE;
/* If there are no relocs, there is nothing to do. */
if (sec->reloc_count == 0)
- return true;
+ return TRUE;
/* We are only interested in PC relative relocs, and why would there
ever be one from anything but the .text section? */
if (strcmp (bfd_get_section_name (abfd, sec), ".text") != 0)
- return true;
+ return TRUE;
/* Read in the relocs, if we haven't already got them. */
section_tdata = ecoff_section_data (abfd, sec);
struct ecoff_link_hash_entry **adj_h_ptr;
struct ecoff_link_hash_entry **adj_h_ptr_end;
struct ecoff_value_adjust *adjust;
+ bfd_size_type amt;
/* If we have already expanded this reloc, we certainly don't
need to do it again. */
if (info->keep_memory)
contents = (bfd_byte *) bfd_alloc (abfd, sec->_raw_size);
else
- contents = (bfd_byte *) bfd_malloc ((size_t) sec->_raw_size);
+ contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
if (contents == (bfd_byte *) NULL)
goto error_return;
if (! bfd_get_section_contents (abfd, sec, (PTR) contents,
somebody felt it were important. Ignoring this reloc will
presumably cause a reloc overflow error later on. */
if (bfd_get_32 (abfd, contents + int_rel.r_vaddr - sec->vma)
- != 0x0411ffff) /* bgezal $0,. == bal . */
+ != 0x0411ffff) /* bgezal $0,. == bal . */
continue;
/* Bother. We need to expand this reloc, and we will need to
symbols in the object file following this location. */
sec->_cooked_size += PCREL16_EXPANSION_ADJUSTMENT;
- *again = true;
+ *again = TRUE;
if (offsets == (long *) NULL)
{
- size_t size;
+ bfd_size_type size;
- size = sec->reloc_count * sizeof (long);
- offsets = (long *) bfd_alloc (abfd, size);
+ size = (bfd_size_type) sec->reloc_count * sizeof (long);
+ offsets = (long *) bfd_zalloc (abfd, size);
if (offsets == (long *) NULL)
goto error_return;
- memset (offsets, 0, size);
section_tdata->offsets = offsets;
}
mips_ecoff_swap_reloc_in (abfd, (PTR) (adj_ext_rel + 1), &rello);
BFD_ASSERT (rello.r_type == MIPS_R_RELLO);
-
+
addhi = bfd_get_32 (abfd,
contents + adj_int_rel.r_vaddr - sec->vma);
addhi &= 0xffff;
/* Add an entry to the symbol value adjust list. This is used
by bfd_ecoff_debug_accumulate to adjust the values of
internal symbols and FDR's. */
- adjust = ((struct ecoff_value_adjust *)
- bfd_alloc (abfd, sizeof (struct ecoff_value_adjust)));
+ amt = sizeof (struct ecoff_value_adjust);
+ adjust = (struct ecoff_value_adjust *) bfd_alloc (abfd, amt);
if (adjust == (struct ecoff_value_adjust *) NULL)
goto error_return;
if (contents != (bfd_byte *) NULL && ! info->keep_memory)
free (contents);
- return true;
+ return TRUE;
error_return:
if (contents != (bfd_byte *) NULL && ! info->keep_memory)
free (contents);
- return false;
+ return FALSE;
}
/* This routine is called from mips_relocate_section when a PC
It handles all the details of the expansion, including resolving
the reloc. */
-static boolean
+static bfd_boolean
mips_relax_pcrel16 (info, input_bfd, input_section, h, location, address)
- struct bfd_link_info *info;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
bfd *input_bfd;
- asection *input_section;
+ asection *input_section ATTRIBUTE_UNUSED;
struct ecoff_link_hash_entry *h;
bfd_byte *location;
bfd_vma address;
if ((relocation & 0x8000) != 0)
relocation += 0x10000;
- bfd_put_32 (input_bfd, 0x04110001, location); /* bal .+8 */
+ bfd_put_32 (input_bfd, (bfd_vma) 0x04110001, location); /* bal .+8 */
bfd_put_32 (input_bfd,
0x3c010000 | ((relocation >> 16) & 0xffff), /* lui $at,XX */
location + 4);
bfd_put_32 (input_bfd,
0x24210000 | (relocation & 0xffff), /* addiu $at,$at,XX */
location + 8);
- bfd_put_32 (input_bfd, 0x003f0821, location + 12); /* addu $at,$at,$ra */
- bfd_put_32 (input_bfd, 0x0020f809, location + 16); /* jalr $at */
+ bfd_put_32 (input_bfd,
+ (bfd_vma) 0x003f0821, location + 12); /* addu $at,$at,$ra */
+ bfd_put_32 (input_bfd,
+ (bfd_vma) 0x0020f809, location + 16); /* jalr $at */
- return true;
+ return TRUE;
}
/* Given a .sdata section and a .rel.sdata in-memory section, store
function presumes that the object was compiled using
-membedded-pic. */
-boolean
+bfd_boolean
bfd_mips_ecoff_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
bfd *abfd;
struct bfd_link_info *info;
struct external_reloc *ext_rel;
struct external_reloc *ext_rel_end;
bfd_byte *p;
+ bfd_size_type amt;
BFD_ASSERT (! info->relocateable);
*errmsg = NULL;
if (datasec->reloc_count == 0)
- return true;
+ return TRUE;
sym_hashes = ecoff_data (abfd)->sym_hashes;
if (! mips_read_relocs (abfd, datasec))
- return false;
+ return FALSE;
- relsec->contents = (bfd_byte *) bfd_alloc (abfd, datasec->reloc_count * 4);
+ amt = (bfd_size_type) datasec->reloc_count * 4;
+ relsec->contents = (bfd_byte *) bfd_alloc (abfd, amt);
if (relsec->contents == NULL)
- return false;
+ return FALSE;
p = relsec->contents;
for (; ext_rel < ext_rel_end; ext_rel++, p += 4)
{
struct internal_reloc int_rel;
- boolean text_relative;
+ bfd_boolean text_relative;
mips_ecoff_swap_reloc_in (abfd, (PTR) ext_rel, &int_rel);
/* We can only relocate REFWORD relocs at run time. */
if (int_rel.r_type != MIPS_R_REFWORD)
{
- *errmsg = "unsupported reloc type";
+ *errmsg = _("unsupported reloc type");
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
if (int_rel.r_extern)
if ((h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& (h->root.u.def.section->flags & SEC_CODE) != 0)
- text_relative = true;
+ text_relative = TRUE;
else
- text_relative = false;
+ text_relative = FALSE;
}
else
{
switch (int_rel.r_symndx)
{
case RELOC_SECTION_TEXT:
- text_relative = true;
+ text_relative = TRUE;
break;
case RELOC_SECTION_SDATA:
case RELOC_SECTION_SBSS:
case RELOC_SECTION_LIT8:
- text_relative = false;
+ text_relative = FALSE;
break;
default:
/* No other sections should appear in -membedded-pic
code. */
- *errmsg = "reloc against unsupported section";
+ *errmsg = _("reloc against unsupported section");
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
}
if ((int_rel.r_offset & 3) != 0)
{
- *errmsg = "reloc not properly aligned";
+ *errmsg = _("reloc not properly aligned");
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
bfd_put_32 (abfd,
p);
}
- return true;
+ return TRUE;
}
\f
/* This is the ECOFF backend structure. The backend field of the
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* reloc_out */
mips_ecoff_swap_filehdr_out, mips_ecoff_swap_aouthdr_out,
mips_ecoff_swap_scnhdr_out,
- FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, true, false, 4,
+ FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE, FALSE, 4, FALSE, 2,
mips_ecoff_swap_filehdr_in, mips_ecoff_swap_aouthdr_in,
mips_ecoff_swap_scnhdr_in, NULL,
mips_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook,
_bfd_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags,
_bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL
},
/* Supported architecture. */
bfd_arch_mips,
/* The page boundary used to align sections in a demand-paged
executable file. E.g., 0x1000. */
0x1000,
- /* True if the .rdata section is part of the text segment, as on the
- Alpha. False if .rdata is part of the data segment, as on the
+ /* TRUE if the .rdata section is part of the text segment, as on the
+ Alpha. FALSE if .rdata is part of the data segment, as on the
MIPS. */
- false,
+ FALSE,
/* Bitsize of constructor entries. */
32,
/* Reloc to use for constructor entries. */
},
/* External reloc size. */
RELSZ,
- /* Howto reloc table. */
- mips_howto_table,
- /* Howto reloc table size. */
- sizeof mips_howto_table / sizeof mips_howto_table[0],
- /* Does this backend implement the LITERALSLEAZY reloc? */
- false,
/* Reloc swapping functions. */
mips_ecoff_swap_reloc_in,
mips_ecoff_swap_reloc_out,
/* Relaxing sections is MIPS specific. */
#define _bfd_ecoff_bfd_relax_section mips_relax_section
+/* GC of sections is not done. */
+#define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections
+
+/* Merging of sections is not done. */
+#define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections
+
+#define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group
+
+extern const bfd_target ecoff_big_vec;
+
const bfd_target ecoff_little_vec =
{
"ecoff-littlemips", /* name */
BFD_JUMP_TABLE_LINK (_bfd_ecoff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ & ecoff_big_vec,
+
(PTR) &mips_ecoff_backend_data
};
BFD_JUMP_TABLE_LINK (_bfd_ecoff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ & ecoff_little_vec,
+
(PTR) &mips_ecoff_backend_data
};
BFD_JUMP_TABLE_LINK (_bfd_ecoff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ NULL,
+
(PTR) &mips_ecoff_backend_data
};
projects / deliverable / binutils-gdb.git / blobdiff