/* BFD back-end for MIPS Extended-Coff files.
- Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003
+ 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 */
};
#define MIPS_HOWTO_COUNT \
(sizeof mips_howto_table / sizeof mips_howto_table[0])
-/* When the linker is doing relaxing, it may change a external PCREL16
+/* 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:
case MIPS_MAGIC_BIG3:
- return abfd->xvec->byteorder_big_p;
+ return bfd_big_endian (abfd);
case MIPS_MAGIC_LITTLE:
case MIPS_MAGIC_LITTLE2:
case MIPS_MAGIC_LITTLE3:
- return abfd->xvec->byteorder_big_p == false;
+ 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);
- if (abfd->xvec->header_byteorder_big_p != false)
+ intern->r_vaddr = H_GET_32 (abfd, ext->r_vaddr);
+ if (bfd_header_big_endian (abfd))
{
intern->r_symndx = (((int) ext->r_bits[0]
<< RELOC_BITS0_SYMNDX_SH_LEFT_BIG)
r_symndx = intern->r_offset & 0xffffff;
}
- bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr);
- if (abfd->xvec->header_byteorder_big_p != false)
+ 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;
ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG;
static void
mips_adjust_reloc_out (abfd, rel, intern)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
const arelent *rel;
struct internal_reloc *intern;
{
}
/* ECOFF relocs are either against external symbols, or against
- sections. If we are producing relocateable output, and the reloc
+ sections. If we are producing relocatable output, and the reloc
is against an external symbol, and nothing has given us any
additional addend, the resulting reloc will also be against the
same symbol. In such a case, we don't want to change anything
final link time. Rather than put special case code into
bfd_perform_relocation, all the reloc types use this howto
function. It just short circuits the reloc if producing
- relocateable output against an external symbol. */
+ relocatable output against an external symbol. */
static bfd_reloc_status_type
mips_generic_reloc (abfd,
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
REFLO reloc, because there is a carry from the REFLO to the REFHI.
Here we just save the information we need; we do the actual
relocation when we see the REFLO. MIPS ECOFF requires that the
- REFLO immediately follow the REFHI, so this ought to work. */
+ REFLO immediately follow the REFHI. As a GNU extension, we permit
+ an arbitrary number of HI relocs to be associated with a single LO
+ reloc. This extension permits gcc to output the HI and LO relocs
+ itself. */
+
+struct mips_hi
+{
+ struct mips_hi *next;
+ bfd_byte *addr;
+ bfd_vma addend;
+};
+
+/* FIXME: This should not be a static variable. */
-static bfd_byte *mips_refhi_addr;
-static bfd_vma mips_refhi_addend;
+static struct mips_hi *mips_refhi_list;
static bfd_reloc_status_type
mips_refhi_reloc (abfd,
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;
+ struct mips_hi *n;
/* If we're relocating, and this an external symbol, we don't want
to change anything. */
return bfd_reloc_outofrange;
/* Save the information, and let REFLO do the actual relocation. */
- mips_refhi_addr = (bfd_byte *) data + reloc_entry->address;
- mips_refhi_addend = relocation;
+ 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;
+ n->addend = relocation;
+ n->next = mips_refhi_list;
+ mips_refhi_list = n;
if (output_bfd != (bfd *) NULL)
reloc_entry->address += input_section->output_offset;
bfd *output_bfd;
char **error_message;
{
- if (mips_refhi_addr != (bfd_byte *) NULL)
+ if (mips_refhi_list != NULL)
{
- unsigned long insn;
- unsigned long val;
- unsigned long vallo;
-
- /* Do the REFHI relocation. Note that we actually don't need to
- know anything about the REFLO itself, except where to find
- the low 16 bits of the addend needed by the REFHI. */
- insn = bfd_get_32 (abfd, mips_refhi_addr);
- vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
- & 0xffff);
- val = ((insn & 0xffff) << 16) + vallo;
- val += mips_refhi_addend;
-
- /* The low order 16 bits are always treated as a signed value.
- Therefore, a negative value in the low order bits requires an
- adjustment in the high order bits. We need to make this
- adjustment in two ways: once for the bits we took from the
- data, and once for the bits we are putting back in to the
- data. */
- if ((vallo & 0x8000) != 0)
- val -= 0x10000;
- if ((val & 0x8000) != 0)
- val += 0x10000;
-
- insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
- bfd_put_32 (abfd, insn, mips_refhi_addr);
-
- mips_refhi_addr = (bfd_byte *) NULL;
+ struct mips_hi *l;
+
+ l = mips_refhi_list;
+ while (l != NULL)
+ {
+ unsigned long insn;
+ unsigned long val;
+ unsigned long vallo;
+ struct mips_hi *next;
+
+ /* Do the REFHI relocation. Note that we actually don't
+ need to know anything about the REFLO itself, except
+ where to find the low 16 bits of the addend needed by the
+ REFHI. */
+ insn = bfd_get_32 (abfd, l->addr);
+ vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
+ & 0xffff);
+ val = ((insn & 0xffff) << 16) + vallo;
+ val += l->addend;
+
+ /* The low order 16 bits are always treated as a signed
+ value. Therefore, a negative value in the low order bits
+ requires an adjustment in the high order bits. We need
+ to make this adjustment in two ways: once for the bits we
+ took from the data, and once for the bits we are putting
+ back in to the data. */
+ if ((vallo & 0x8000) != 0)
+ val -= 0x10000;
+ if ((val & 0x8000) != 0)
+ val += 0x10000;
+
+ insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
+ bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
+
+ next = l->next;
+ free (l);
+ l = next;
+ }
+
+ mips_refhi_list = NULL;
}
/* Now do the REFLO reloc in the usual way. */
bfd *output_bfd;
char **error_message;
{
- boolean relocateable;
+ bfd_boolean relocatable;
+ bfd_vma gp;
bfd_vma relocation;
unsigned long val;
unsigned long insn;
}
if (output_bfd != (bfd *) NULL)
- relocateable = true;
+ relocatable = TRUE;
else
{
- relocateable = false;
+ relocatable = FALSE;
output_bfd = symbol->section->output_section->owner;
}
- if (bfd_is_und_section (symbol->section)
- && relocateable == false)
+ if (bfd_is_und_section (symbol->section) && ! relocatable)
return bfd_reloc_undefined;
/* We have to figure out the gp value, so that we can adjust the
symbol value correctly. We look up the symbol _gp in the output
BFD. If we can't find it, we're stuck. We cache it in the ECOFF
target data. We don't need to adjust the symbol value for an
- external symbol if we are producing relocateable output. */
- if (ecoff_data (output_bfd)->gp == 0
- && (relocateable == false
+ external symbol if we are producing relocatable output. */
+ gp = _bfd_get_gp_value (output_bfd);
+ if (gp == 0
+ && (! relocatable
|| (symbol->flags & BSF_SECTION_SYM) != 0))
{
- if (relocateable != false)
+ if (relocatable)
{
/* Make up a value. */
- ecoff_data (output_bfd)->gp =
- symbol->section->output_section->vma + 0x4000;
+ gp = symbol->section->output_section->vma + 0x4000;
+ _bfd_set_gp_value (output_bfd, gp);
}
else
{
{
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)
{
- ecoff_data (output_bfd)->gp = bfd_asymbol_value (*sym);
+ gp = bfd_asymbol_value (*sym);
+ _bfd_set_gp_value (output_bfd, gp);
break;
}
}
if (i >= count)
{
/* Only get the error once. */
- ecoff_data (output_bfd)->gp = 4;
+ 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;
}
}
val -= 0x10000;
/* Adjust val for the final section location and GP value. If we
- are producing relocateable output, we don't want to do this for
+ are producing relocatable output, we don't want to do this for
an external symbol. */
- if (relocateable == false
+ if (! relocatable
|| (symbol->flags & BSF_SECTION_SYM) != 0)
- val += relocation - ecoff_data (output_bfd)->gp;
+ 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 (relocatable)
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;
are Cygnus extensions used when generating position independent
code for embedded systems. */
-static bfd_byte *mips_relhi_addr;
-static bfd_vma mips_relhi_addend;
+/* FIXME: This should not be a static variable. */
+
+static struct mips_hi *mips_relhi_list;
static bfd_reloc_status_type
mips_relhi_reloc (abfd,
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;
+ struct mips_hi *n;
/* If this is a reloc against a section symbol, then it is correct
in the object file. The only time we want to change this case is
return bfd_reloc_outofrange;
/* Save the information, and let RELLO do the actual relocation. */
- mips_relhi_addr = (bfd_byte *) data + reloc_entry->address;
- mips_relhi_addend = relocation;
+ 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;
+ n->addend = relocation;
+ n->next = mips_relhi_list;
+ mips_relhi_list = n;
if (output_bfd != (bfd *) NULL)
reloc_entry->address += input_section->output_offset;
bfd *output_bfd;
char **error_message;
{
- if (mips_relhi_addr != (bfd_byte *) NULL)
+ if (mips_relhi_list != NULL)
{
- unsigned long insn;
- unsigned long val;
- unsigned long vallo;
-
- /* Do the RELHI relocation. Note that we actually don't need to
- know anything about the RELLO itself, except where to find
- the low 16 bits of the addend needed by the RELHI. */
- insn = bfd_get_32 (abfd, mips_relhi_addr);
- vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
- & 0xffff);
- val = ((insn & 0xffff) << 16) + vallo;
- val += mips_relhi_addend;
-
- /* If the symbol is defined, make val PC relative. If the
- symbol is not defined we don't want to do this, because we
- don't want the value in the object file to incorporate the
- address of the reloc. */
- if (! bfd_is_und_section (bfd_get_section (symbol))
- && ! bfd_is_com_section (bfd_get_section (symbol)))
- val -= (input_section->output_section->vma
- + input_section->output_offset
- + reloc_entry->address);
-
- /* The low order 16 bits are always treated as a signed value.
- Therefore, a negative value in the low order bits requires an
- adjustment in the high order bits. We need to make this
- adjustment in two ways: once for the bits we took from the
- data, and once for the bits we are putting back in to the
- data. */
- if ((vallo & 0x8000) != 0)
- val -= 0x10000;
- if ((val & 0x8000) != 0)
- val += 0x10000;
-
- insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
- bfd_put_32 (abfd, insn, mips_relhi_addr);
-
- mips_relhi_addr = (bfd_byte *) NULL;
+ struct mips_hi *l;
+
+ l = mips_relhi_list;
+ while (l != NULL)
+ {
+ unsigned long insn;
+ unsigned long val;
+ unsigned long vallo;
+ struct mips_hi *next;
+
+ /* Do the RELHI relocation. Note that we actually don't
+ need to know anything about the RELLO itself, except
+ where to find the low 16 bits of the addend needed by the
+ RELHI. */
+ insn = bfd_get_32 (abfd, l->addr);
+ vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
+ & 0xffff);
+ val = ((insn & 0xffff) << 16) + vallo;
+ val += l->addend;
+
+ /* If the symbol is defined, make val PC relative. If the
+ symbol is not defined we don't want to do this, because
+ we don't want the value in the object file to incorporate
+ the address of the reloc. */
+ if (! bfd_is_und_section (bfd_get_section (symbol))
+ && ! bfd_is_com_section (bfd_get_section (symbol)))
+ val -= (input_section->output_section->vma
+ + input_section->output_offset
+ + reloc_entry->address);
+
+ /* The low order 16 bits are always treated as a signed
+ value. Therefore, a negative value in the low order bits
+ requires an adjustment in the high order bits. We need
+ to make this adjustment in two ways: once for the bits we
+ took from the data, and once for the bits we are putting
+ back in to the data. */
+ if ((vallo & 0x8000) != 0)
+ val -= 0x10000;
+ if ((val & 0x8000) != 0)
+ val += 0x10000;
+
+ insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
+ bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
+
+ next = l->next;
+ free (l);
+ l = next;
+ }
+
+ mips_relhi_list = NULL;
}
/* If this is a reloc against a section symbol, then it is correct
}
/* bfd_perform_relocation does not handle pcrel_offset relocations
- correctly when generating a relocateable file, so handle them
+ correctly when generating a relocatable file, so handle them
directly here. */
if (output_bfd != (bfd *) NULL)
{
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:
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->header_byteorder_big_p
- == output_bfd->xvec->header_byteorder_big_p);
+ BFD_ASSERT (input_bfd->xvec->byteorder
+ == output_bfd->xvec->byteorder);
/* We keep a table mapping the symndx found in an internal reloc to
the appropriate section. This is faster than looking up the
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)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return FALSE;
symndx_to_section[RELOC_SECTION_NONE] = NULL;
symndx_to_section[RELOC_SECTION_TEXT] =
sym_hashes = ecoff_data (input_bfd)->sym_hashes;
- gp = ecoff_data (output_bfd)->gp;
+ 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;
+ 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
if (int_rel.r_type == MIPS_R_REFHI
|| int_rel.r_type == MIPS_R_RELHI)
{
- BFD_ASSERT ((ext_rel + 1) < ext_rel_end);
- mips_ecoff_swap_reloc_in (input_bfd, (PTR) (ext_rel + 1),
- &lo_int_rel);
- BFD_ASSERT ((lo_int_rel.r_type
- == (int_rel.r_type == MIPS_R_REFHI
- ? MIPS_R_REFLO
- : MIPS_R_RELLO))
- && int_rel.r_extern == lo_int_rel.r_extern
- && int_rel.r_symndx == lo_int_rel.r_symndx);
- got_lo = true;
+ struct external_reloc *lo_ext_rel;
+
+ /* As a GNU extension, permit an arbitrary number of REFHI
+ or RELHI relocs before the REFLO or RELLO reloc. This
+ permits gcc to emit the HI and LO relocs itself. */
+ for (lo_ext_rel = ext_rel + 1;
+ lo_ext_rel < ext_rel_end;
+ lo_ext_rel++)
+ {
+ mips_ecoff_swap_reloc_in (input_bfd, (PTR) lo_ext_rel,
+ &lo_int_rel);
+ if (lo_int_rel.r_type != int_rel.r_type)
+ break;
+ }
+
+ if (lo_ext_rel < ext_rel_end
+ && (lo_int_rel.r_type
+ == (int_rel.r_type == MIPS_R_REFHI
+ ? MIPS_R_REFLO
+ : MIPS_R_RELLO))
+ && int_rel.r_extern == lo_int_rel.r_extern
+ && int_rel.r_symndx == lo_int_rel.r_symndx)
+ {
+ use_lo = TRUE;
+ if (lo_ext_rel == ext_rel + 1)
+ got_lo = TRUE;
+ }
}
howto = &mips_howto_table[int_rel.r_type];
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. */
- ecoff_data (output_bfd)->gp = gp = 4;
- gp_undefined = false;
+ gp = 4;
+ _bfd_set_gp_value (output_bfd, gp);
+ gp_undefined = FALSE;
}
if (! int_rel.r_extern)
{
and the GP value of OUTPUT_BFD (which is in GP). */
addend = ecoff_data (input_bfd)->gp - gp;
}
- else if (! info->relocateable
+ else if (! info->relocatable
|| h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
/* This is a relocation against an undefined or common
symbol. The current addend in the instruction is
simply the desired offset into the symbol (normally
- zero). We are generating relocateable output, and we
+ zero). We are generating relocatable output, and we
aren't going to define this symbol, so we just leave
the instruction alone. */
addend = 0;
if (offsets != NULL
&& offsets[i] != 0)
{
- BFD_ASSERT (! info->relocateable);
+ BFD_ASSERT (! info->relocatable);
BFD_ASSERT (int_rel.r_type == MIPS_R_PCREL16
|| int_rel.r_type == MIPS_R_RELHI
|| int_rel.r_type == MIPS_R_RELLO);
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;
}
}
- if (info->relocateable)
+ if (info->relocatable)
{
- /* We are generating relocateable output, and must convert
+ /* We are generating relocatable output, and must convert
the existing reloc. */
if (int_rel.r_extern)
{
int_rel.r_symndx = RELOC_SECTION_TEXT;
break;
}
-
+
if (int_rel.r_symndx == -1)
abort ();
being against a section, we must put a
special value into the r_offset field. This
value is the old addend. The r_offset for
- both the RELOHI and RELLO relocs are the
- same, and we set both when we see RELHI. */
+ both the RELHI and RELLO relocs are the same,
+ and we set both when we see RELHI. */
if (int_rel.r_type == MIPS_R_RELHI)
{
long addhi, addlo;
addhi -= 0x10000;
addhi <<= 16;
- addlo = bfd_get_32 (input_bfd,
- (contents
- + adjust
- + lo_int_rel.r_vaddr
- - input_section->vma));
- addlo &= 0xffff;
- if (addlo & 0x8000)
- addlo -= 0x10000;
+ if (! use_lo)
+ addlo = 0;
+ else
+ {
+ addlo = bfd_get_32 (input_bfd,
+ (contents
+ + adjust
+ + lo_int_rel.r_vaddr
+ - input_section->vma));
+ addlo &= 0xffff;
+ if (addlo & 0x8000)
+ addlo -= 0x10000;
+
+ lo_int_rel.r_offset = addhi + addlo;
+ }
int_rel.r_offset = addhi + addlo;
- lo_int_rel.r_offset = int_rel.r_offset;
}
}
(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;
- input_section->vma));
else
{
- mips_relocate_hi (&int_rel, &lo_int_rel,
+ mips_relocate_hi (&int_rel,
+ use_lo ? &lo_int_rel : NULL,
input_bfd, input_section, contents,
adjust, relocation,
int_rel.r_type == MIPS_R_RELHI);
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;
}
}
adding in the start address. */
if (howto->pc_relative)
{
- if (int_rel.r_type != MIPS_R_RELHI)
+ if (int_rel.r_type != MIPS_R_RELHI || ! use_lo)
relocation += int_rel.r_vaddr + adjust;
else
relocation += lo_int_rel.r_vaddr + adjust;
addend);
else
{
- mips_relocate_hi (&int_rel, &lo_int_rel, input_bfd,
- input_section, contents, adjust,
+ mips_relocate_hi (&int_rel,
+ use_lo ? &lo_int_rel : NULL,
+ input_bfd, input_section, contents, adjust,
relocation,
int_rel.r_type == MIPS_R_RELHI);
r = bfd_reloc_ok;
(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_by_size_t (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)
- {
- bfd_set_error (bfd_error_no_memory);
- 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)
- {
- bfd_set_error (bfd_error_no_memory);
- 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. */
continue;
/* Quickly check that this reloc is external PCREL16. */
- if (abfd->xvec->header_byteorder_big_p)
+ if (bfd_header_big_endian (abfd))
{
if ((ext_rel->r_bits[3] & RELOC_BITS3_EXTERN_BIG) == 0
|| (((ext_rel->r_bits[3] & RELOC_BITS3_TYPE_BIG)
if (info->keep_memory)
contents = (bfd_byte *) bfd_alloc (abfd, sec->_raw_size);
else
- contents = (bfd_byte *) malloc ((size_t) sec->_raw_size);
+ contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
if (contents == (bfd_byte *) NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- goto error_return;
- }
+ goto error_return;
if (! bfd_get_section_contents (abfd, sec, (PTR) contents,
(file_ptr) 0, sec->_raw_size))
goto error_return;
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_by_size_t (abfd, size);
+ size = (bfd_size_type) sec->reloc_count * sizeof (long);
+ offsets = (long *) bfd_zalloc (abfd, size);
if (offsets == (long *) NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- goto error_return;
- }
- memset (offsets, 0, size);
+ goto error_return;
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)
- {
- bfd_set_error (bfd_error_no_memory);
- goto error_return;
- }
+ goto error_return;
adjust->start = int_rel.r_vaddr;
adjust->end = sec->vma + sec->_raw_size;
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);
+ BFD_ASSERT (! info->relocatable);
*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)
- {
- bfd_set_error (bfd_error_no_memory);
- 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,
+ 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
},
/* 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. */
/* Relocate section contents while linking. */
mips_relocate_section,
/* Do final adjustments to filehdr and aouthdr. */
- NULL
+ NULL,
+ /* Read an element from an archive at a given file position. */
+ _bfd_get_elt_at_filepos
};
/* Looking up a reloc type is MIPS specific. */
#define _bfd_ecoff_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents
+/* Handling file windows is generic. */
+#define _bfd_ecoff_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
+
/* 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_target_ecoff_flavour,
- false, /* data byte order is little */
- false, /* header byte order is little */
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_LITTLE, /* header byte order is little */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
BFD_JUMP_TABLE_LINK (_bfd_ecoff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ & ecoff_big_vec,
+
(PTR) &mips_ecoff_backend_data
};
{
"ecoff-bigmips", /* name */
bfd_target_ecoff_flavour,
- true, /* data byte order is big */
- true, /* header byte order is big */
+ BFD_ENDIAN_BIG, /* data byte order is big */
+ BFD_ENDIAN_BIG, /* header byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
BFD_JUMP_TABLE_LINK (_bfd_ecoff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ & ecoff_little_vec,
+
+ (PTR) &mips_ecoff_backend_data
+};
+
+const bfd_target ecoff_biglittle_vec =
+{
+ "ecoff-biglittlemips", /* name */
+ bfd_target_ecoff_flavour,
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_BIG, /* header byte order is big */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+ 0, /* leading underscore */
+ ' ', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ _bfd_ecoff_archive_p, _bfd_dummy_target},
+ {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */
+ _bfd_generic_mkarchive, bfd_false},
+ {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
+ BFD_JUMP_TABLE_COPY (_bfd_ecoff),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
+ BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
+ BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
+ BFD_JUMP_TABLE_LINK (_bfd_ecoff),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
(PTR) &mips_ecoff_backend_data
};
projects / binutils-gdb.git / blobdiff