/* BFD back-end for AMD 29000 COFF binaries.
- Copyright 1990, 91, 92, 93, 94, 95, 1997 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Contributed by David Wood at New York University 7/8/91.
This file is part of BFD, the Binary File Descriptor library.
#define INSERT_HWORD(WORD,HWORD) \
(((WORD) & 0xff00ff00) | (((HWORD) & 0xff00) << 8) | ((HWORD)& 0xff))
#define EXTRACT_HWORD(WORD) \
- ((((WORD) & 0x00ff0000) >> 8) | ((WORD)& 0xff))
+ ((((WORD) & 0x00ff0000) >> 8) | ((WORD) & 0xff))
#define SIGN_EXTEND_HWORD(HWORD) \
- ((HWORD) & 0x8000 ? (HWORD)|(~0xffffL) : (HWORD))
+ (((HWORD) ^ 0x8000) - 0x8000)
/* Provided the symbol, returns the value reffed */
static long
-get_symbol_value (symbol)
+get_symbol_value (symbol)
asymbol *symbol;
-{
+{
long relocation = 0;
if (bfd_is_com_section (symbol->section))
- {
- relocation = 0;
- }
- else
- {
- relocation = symbol->value +
- symbol->section->output_section->vma +
- symbol->section->output_offset;
- }
+ {
+ relocation = 0;
+ }
+ else
+ {
+ relocation = symbol->value +
+ symbol->section->output_section->vma +
+ symbol->section->output_offset;
+ }
return(relocation);
}
long signed_value;
unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/
- bfd_byte *hit_data =addr + (bfd_byte *)(data);
-
+ bfd_byte *hit_data =addr + (bfd_byte *) (data);
+
r_type = reloc_entry->howto->type;
- if (output_bfd) {
- /* Partial linking - do nothing */
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
+ if (output_bfd)
+ {
+ /* Partial linking - do nothing */
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
- }
+ }
if (symbol_in != NULL
&& bfd_is_und_section (symbol_in->section))
- {
- /* Keep the state machine happy in case we're called again */
- if (r_type == R_IHIHALF)
{
- part1_consth_active = true;
- part1_consth_value = 0;
+ /* Keep the state machine happy in case we're called again */
+ if (r_type == R_IHIHALF)
+ {
+ part1_consth_active = true;
+ part1_consth_value = 0;
+ }
+ return(bfd_reloc_undefined);
}
- return(bfd_reloc_undefined);
- }
-
- if ((part1_consth_active) && (r_type != R_IHCONST))
- {
- part1_consth_active = false;
- *error_message = (char *) _("Missing IHCONST");
- return(bfd_reloc_dangerous);
- }
+ if ((part1_consth_active) && (r_type != R_IHCONST))
+ {
+ part1_consth_active = false;
+ *error_message = (char *) _("Missing IHCONST");
+ return(bfd_reloc_dangerous);
+ }
sym_value = get_symbol_value(symbol_in);
- switch (r_type)
- {
- case R_IREL:
- insn = bfd_get_32(abfd, hit_data);
- /* Take the value in the field and sign extend it */
- signed_value = EXTRACT_HWORD(insn);
- signed_value = SIGN_EXTEND_HWORD(signed_value);
- signed_value <<= 2;
-
- /* See the note on the R_IREL reloc in coff_a29k_relocate_section. */
- if (signed_value == - (long) reloc_entry->address)
- signed_value = 0;
-
- signed_value += sym_value + reloc_entry->addend;
- if ((signed_value & ~0x3ffff) == 0)
- { /* Absolute jmp/call */
- insn |= (1<<24); /* Make it absolute */
- /* FIXME: Should we change r_type to R_IABS */
- }
- else
+ switch (r_type)
{
- /* Relative jmp/call, so subtract from the value the
- address of the place we're coming from */
- signed_value -= (reloc_entry->address
- + input_section->output_section->vma
- + input_section->output_offset);
- if (signed_value>0x1ffff || signed_value<-0x20000)
- return(bfd_reloc_overflow);
- }
- signed_value >>= 2;
- insn = INSERT_HWORD(insn, signed_value);
- bfd_put_32(abfd, insn ,hit_data);
- break;
- case R_ILOHALF:
- insn = bfd_get_32(abfd, hit_data);
- unsigned_value = EXTRACT_HWORD(insn);
- unsigned_value += sym_value + reloc_entry->addend;
- insn = INSERT_HWORD(insn, unsigned_value);
- bfd_put_32(abfd, insn, hit_data);
- break;
- case R_IHIHALF:
- insn = bfd_get_32(abfd, hit_data);
- /* consth, part 1
- Just get the symbol value that is referenced */
- part1_consth_active = true;
- part1_consth_value = sym_value + reloc_entry->addend;
- /* Don't modify insn until R_IHCONST */
- break;
- case R_IHCONST:
- insn = bfd_get_32(abfd, hit_data);
- /* consth, part 2
- Now relocate the reference */
- if (part1_consth_active == false) {
- *error_message = (char *) _("Missing IHIHALF");
- return(bfd_reloc_dangerous);
+ case R_IREL:
+ insn = bfd_get_32 (abfd, hit_data);
+ /* Take the value in the field and sign extend it */
+ signed_value = EXTRACT_HWORD(insn);
+ signed_value = SIGN_EXTEND_HWORD(signed_value);
+ signed_value <<= 2;
+
+ /* See the note on the R_IREL reloc in coff_a29k_relocate_section. */
+ if (signed_value == - (long) reloc_entry->address)
+ signed_value = 0;
+
+ signed_value += sym_value + reloc_entry->addend;
+ if ((signed_value & ~0x3ffff) == 0)
+ { /* Absolute jmp/call */
+ insn |= (1<<24); /* Make it absolute */
+ /* FIXME: Should we change r_type to R_IABS */
+ }
+ else
+ {
+ /* Relative jmp/call, so subtract from the value the
+ address of the place we're coming from */
+ signed_value -= (reloc_entry->address
+ + input_section->output_section->vma
+ + input_section->output_offset);
+ if (signed_value>0x1ffff || signed_value<-0x20000)
+ return(bfd_reloc_overflow);
+ }
+ signed_value >>= 2;
+ insn = INSERT_HWORD(insn, signed_value);
+ bfd_put_32 (abfd, insn ,hit_data);
+ break;
+ case R_ILOHALF:
+ insn = bfd_get_32 (abfd, hit_data);
+ unsigned_value = EXTRACT_HWORD(insn);
+ unsigned_value += sym_value + reloc_entry->addend;
+ insn = INSERT_HWORD(insn, unsigned_value);
+ bfd_put_32 (abfd, insn, hit_data);
+ break;
+ case R_IHIHALF:
+ insn = bfd_get_32 (abfd, hit_data);
+ /* consth, part 1
+ Just get the symbol value that is referenced */
+ part1_consth_active = true;
+ part1_consth_value = sym_value + reloc_entry->addend;
+ /* Don't modify insn until R_IHCONST */
+ break;
+ case R_IHCONST:
+ insn = bfd_get_32 (abfd, hit_data);
+ /* consth, part 2
+ Now relocate the reference */
+ if (part1_consth_active == false)
+ {
+ *error_message = (char *) _("Missing IHIHALF");
+ return(bfd_reloc_dangerous);
+ }
+ /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */
+ unsigned_value = 0; /*EXTRACT_HWORD(insn) << 16;*/
+ unsigned_value += reloc_entry->addend; /* r_symndx */
+ unsigned_value += part1_consth_value;
+ unsigned_value = unsigned_value >> 16;
+ insn = INSERT_HWORD(insn, unsigned_value);
+ part1_consth_active = false;
+ bfd_put_32 (abfd, insn, hit_data);
+ break;
+ case R_BYTE:
+ insn = bfd_get_8 (abfd, hit_data);
+ unsigned_value = insn + sym_value + reloc_entry->addend;
+ if (unsigned_value & 0xffffff00)
+ return(bfd_reloc_overflow);
+ bfd_put_8 (abfd, unsigned_value, hit_data);
+ break;
+ case R_HWORD:
+ insn = bfd_get_16 (abfd, hit_data);
+ unsigned_value = insn + sym_value + reloc_entry->addend;
+ if (unsigned_value & 0xffff0000)
+ return(bfd_reloc_overflow);
+ bfd_put_16 (abfd, insn, hit_data);
+ break;
+ case R_WORD:
+ insn = bfd_get_32 (abfd, hit_data);
+ insn += sym_value + reloc_entry->addend;
+ bfd_put_32 (abfd, insn, hit_data);
+ break;
+ default:
+ *error_message = _("Unrecognized reloc");
+ return (bfd_reloc_dangerous);
}
- /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */
- unsigned_value = 0; /*EXTRACT_HWORD(insn) << 16;*/
- unsigned_value += reloc_entry->addend; /* r_symndx */
- unsigned_value += part1_consth_value;
- unsigned_value = unsigned_value >> 16;
- insn = INSERT_HWORD(insn, unsigned_value);
- part1_consth_active = false;
- bfd_put_32(abfd, insn, hit_data);
- break;
- case R_BYTE:
- insn = bfd_get_8(abfd, hit_data);
- unsigned_value = insn + sym_value + reloc_entry->addend;
- if (unsigned_value & 0xffffff00)
- return(bfd_reloc_overflow);
- bfd_put_8(abfd, unsigned_value, hit_data);
- break;
- case R_HWORD:
- insn = bfd_get_16(abfd, hit_data);
- unsigned_value = insn + sym_value + reloc_entry->addend;
- if (unsigned_value & 0xffff0000)
- return(bfd_reloc_overflow);
- bfd_put_16(abfd, insn, hit_data);
- break;
- case R_WORD:
- insn = bfd_get_32(abfd, hit_data);
- insn += sym_value + reloc_entry->addend;
- bfd_put_32(abfd, insn, hit_data);
- break;
- default:
- *error_message = _("Unrecognized reloc");
- return (bfd_reloc_dangerous);
- }
-
-
- return(bfd_reloc_ok);
+
+ return(bfd_reloc_ok);
}
/* type rightshift
complain_on_overflow
special_function
relocation name
- partial_inplace
+ partial_inplace
src_mask
*/
/*FIXME: I'm not real sure about this table */
-static reloc_howto_type howto_table[] =
+static reloc_howto_type howto_table[] =
{
{R_ABS, 0, 3, 32, false, 0, complain_overflow_bitfield,a29k_reloc,"ABS", true, 0xffffffff,0xffffffff, false},
- {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10},
- {11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}, {19}, {20},
- {21}, {22}, {23},
+ EMPTY_HOWTO (1),
+ EMPTY_HOWTO (2),
+ EMPTY_HOWTO (3),
+ EMPTY_HOWTO (4),
+ EMPTY_HOWTO (5),
+ EMPTY_HOWTO (6),
+ EMPTY_HOWTO (7),
+ EMPTY_HOWTO (8),
+ EMPTY_HOWTO (9),
+ EMPTY_HOWTO (10),
+ EMPTY_HOWTO (11),
+ EMPTY_HOWTO (12),
+ EMPTY_HOWTO (13),
+ EMPTY_HOWTO (14),
+ EMPTY_HOWTO (15),
+ EMPTY_HOWTO (16),
+ EMPTY_HOWTO (17),
+ EMPTY_HOWTO (18),
+ EMPTY_HOWTO (19),
+ EMPTY_HOWTO (20),
+ EMPTY_HOWTO (21),
+ EMPTY_HOWTO (22),
+ EMPTY_HOWTO (23),
{R_IREL, 0, 3, 32, true, 0, complain_overflow_signed,a29k_reloc,"IREL", true, 0xffffffff,0xffffffff, false},
{R_IABS, 0, 3, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"IABS", true, 0xffffffff,0xffffffff, false},
{R_ILOHALF, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"ILOHALF", true, 0x0000ffff,0x0000ffff, false},
bfd *abfd;
asection *section;
{
- static bfd_vma ihihalf_vaddr = (bfd_vma) -1;
+ static bfd_vma ihihalf_vaddr = (bfd_vma) -1;
- relent->address = reloc->r_vaddr;
- relent->howto = howto_table + reloc->r_type;
- if (reloc->r_type == R_IHCONST)
- {
+ relent->address = reloc->r_vaddr;
+ relent->howto = howto_table + reloc->r_type;
+ if (reloc->r_type == R_IHCONST)
+ {
/* The address of an R_IHCONST should always be the address of
the immediately preceding R_IHIHALF. relocs generated by gas
are correct, but relocs generated by High C are different (I
can't figure out what the address means for High C). We can
handle both gas and High C by ignoring the address here, and
simply reusing the address saved for R_IHIHALF. */
- if (ihihalf_vaddr == (bfd_vma) -1)
- abort ();
- relent->address = ihihalf_vaddr;
- ihihalf_vaddr = (bfd_vma) -1;
- relent->addend = reloc->r_symndx;
- relent->sym_ptr_ptr= bfd_abs_section_ptr->symbol_ptr_ptr;
+ if (ihihalf_vaddr == (bfd_vma) -1)
+ abort ();
+ relent->address = ihihalf_vaddr;
+ ihihalf_vaddr = (bfd_vma) -1;
+ relent->addend = reloc->r_symndx;
+ relent->sym_ptr_ptr= bfd_abs_section_ptr->symbol_ptr_ptr;
}
- else
+ else
{
asymbol *ptr;
relent->sym_ptr_ptr = symbols + obj_convert(abfd)[reloc->r_symndx];
ptr = *(relent->sym_ptr_ptr);
- if (ptr
- && bfd_asymbol_bfd(ptr) == abfd
+ if (ptr
+ && bfd_asymbol_bfd(ptr) == abfd
- && ((ptr->flags & BSF_OLD_COMMON)== 0))
- {
+ && ((ptr->flags & BSF_OLD_COMMON)== 0))
+ {
relent->addend = 0;
- }
+ }
else
- {
- relent->addend = 0;
- }
+ {
+ relent->addend = 0;
+ }
relent->address-= section->vma;
if (reloc->r_type == R_IHIHALF)
ihihalf_vaddr = relent->address;
else if (ihihalf_vaddr != (bfd_vma) -1)
abort ();
- }
+ }
}
/* The reloc processing routine for the optimized COFF linker. */
static boolean
coff_a29k_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, syms, sections)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
bfd *input_bfd;
asection *input_section;
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
- rel->r_vaddr - input_section->vma)))
+ rel->r_vaddr - input_section->vma, true)))
return false;
}
}
rel->r_vaddr - input_section->vma)))
return false;
}
- }
+ }
return true;
}
/* We don't want to change the symndx of a R_IHCONST reloc, since it
is actually an addend, not a symbol index at all. */
-/*ARGSUSED*/
static boolean
coff_a29k_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
- bfd *obfd;
- struct bfd_link_info *info;
- bfd *ibfd;
- asection *sec;
+ bfd *obfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ bfd *ibfd ATTRIBUTE_UNUSED;
+ asection *sec ATTRIBUTE_UNUSED;
struct internal_reloc *irel;
boolean *adjustedp;
{
#include "coffcode.h"
-const bfd_target a29kcoff_big_vec =
-{
- "coff-a29k-big", /* name */
- bfd_target_coff_flavour,
- 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 |
- HAS_SYMS | HAS_LOCALS | WP_TEXT),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC /* section flags */
- | SEC_LOAD | SEC_RELOC
- | SEC_READONLY ),
- '_', /* leading underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- /* 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_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16,
-
- {
-
- _bfd_dummy_target,
- coff_object_p,
- bfd_generic_archive_p,
- _bfd_dummy_target
- },
- {
- bfd_false,
- coff_mkobject,
- _bfd_generic_mkarchive,
- bfd_false
- },
- {
- bfd_false,
- coff_write_object_contents,
- _bfd_write_archive_contents,
- bfd_false
- },
-
- BFD_JUMP_TABLE_GENERIC (coff),
- BFD_JUMP_TABLE_COPY (coff),
- BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
- BFD_JUMP_TABLE_SYMBOLS (coff),
- BFD_JUMP_TABLE_RELOCS (coff),
- BFD_JUMP_TABLE_WRITE (coff),
- BFD_JUMP_TABLE_LINK (coff),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- COFF_SWAP_TABLE
- };
+CREATE_BIG_COFF_TARGET_VEC (a29kcoff_big_vec, "coff-a29k-big", 0, SEC_READONLY, '_', NULL)
projects / deliverable / binutils-gdb.git / blobdiff