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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /bfd/bout.c
downloadbinutils-gdb-252b5132c753830d5fd56823373aed85f2a0db63.tar.gz
19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'bfd/bout.c')
-rw-r--r--bfd/bout.c1534
1 files changed, 1534 insertions, 0 deletions
diff --git a/bfd/bout.c b/bfd/bout.c
new file mode 100644
index 00000000000..4ef10f52057
--- /dev/null
+++ b/bfd/bout.c
@@ -0,0 +1,1534 @@
+/* BFD back-end for Intel 960 b.out binaries.
+ Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Written by Cygnus Support.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "bfdlink.h"
+#include "genlink.h"
+#include "bout.h"
+
+#include "aout/stab_gnu.h"
+#include "libaout.h" /* BFD a.out internal data structures */
+
+
+static int aligncode PARAMS ((bfd *abfd, asection *input_section,
+ arelent *r, unsigned int shrink));
+static void perform_slip PARAMS ((bfd *abfd, unsigned int slip,
+ asection *input_section, bfd_vma value));
+static boolean b_out_squirt_out_relocs PARAMS ((bfd *abfd, asection *section));
+static const bfd_target *b_out_callback PARAMS ((bfd *));
+static bfd_reloc_status_type calljx_callback
+ PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR src, PTR dst,
+ asection *));
+static bfd_reloc_status_type callj_callback
+ PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR data,
+ unsigned int srcidx, unsigned int dstidx, asection *, boolean));
+static bfd_vma get_value PARAMS ((arelent *, struct bfd_link_info *,
+ asection *));
+static int abs32code PARAMS ((bfd *, asection *, arelent *,
+ unsigned int, struct bfd_link_info *));
+static boolean b_out_bfd_relax_section PARAMS ((bfd *, asection *,
+ struct bfd_link_info *,
+ boolean *));
+static bfd_byte *b_out_bfd_get_relocated_section_contents
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
+ bfd_byte *, boolean, asymbol **));
+
+/* Swaps the information in an executable header taken from a raw byte
+ stream memory image, into the internal exec_header structure. */
+
+void
+bout_swap_exec_header_in (abfd, raw_bytes, execp)
+ bfd *abfd;
+ struct external_exec *raw_bytes;
+ struct internal_exec *execp;
+{
+ struct external_exec *bytes = (struct external_exec *)raw_bytes;
+
+ /* Now fill in fields in the execp, from the bytes in the raw data. */
+ execp->a_info = bfd_h_get_32 (abfd, bytes->e_info);
+ execp->a_text = GET_WORD (abfd, bytes->e_text);
+ execp->a_data = GET_WORD (abfd, bytes->e_data);
+ execp->a_bss = GET_WORD (abfd, bytes->e_bss);
+ execp->a_syms = GET_WORD (abfd, bytes->e_syms);
+ execp->a_entry = GET_WORD (abfd, bytes->e_entry);
+ execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
+ execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
+ execp->a_tload = GET_WORD (abfd, bytes->e_tload);
+ execp->a_dload = GET_WORD (abfd, bytes->e_dload);
+ execp->a_talign = bytes->e_talign[0];
+ execp->a_dalign = bytes->e_dalign[0];
+ execp->a_balign = bytes->e_balign[0];
+ execp->a_relaxable = bytes->e_relaxable[0];
+}
+
+/* Swaps the information in an internal exec header structure into the
+ supplied buffer ready for writing to disk. */
+
+PROTO(void, bout_swap_exec_header_out,
+ (bfd *abfd,
+ struct internal_exec *execp,
+ struct external_exec *raw_bytes));
+void
+bout_swap_exec_header_out (abfd, execp, raw_bytes)
+ bfd *abfd;
+ struct internal_exec *execp;
+ struct external_exec *raw_bytes;
+{
+ struct external_exec *bytes = (struct external_exec *)raw_bytes;
+
+ /* Now fill in fields in the raw data, from the fields in the exec struct. */
+ bfd_h_put_32 (abfd, execp->a_info , bytes->e_info);
+ PUT_WORD (abfd, execp->a_text , bytes->e_text);
+ PUT_WORD (abfd, execp->a_data , bytes->e_data);
+ PUT_WORD (abfd, execp->a_bss , bytes->e_bss);
+ PUT_WORD (abfd, execp->a_syms , bytes->e_syms);
+ PUT_WORD (abfd, execp->a_entry , bytes->e_entry);
+ PUT_WORD (abfd, execp->a_trsize, bytes->e_trsize);
+ PUT_WORD (abfd, execp->a_drsize, bytes->e_drsize);
+ PUT_WORD (abfd, execp->a_tload , bytes->e_tload);
+ PUT_WORD (abfd, execp->a_dload , bytes->e_dload);
+ bytes->e_talign[0] = execp->a_talign;
+ bytes->e_dalign[0] = execp->a_dalign;
+ bytes->e_balign[0] = execp->a_balign;
+ bytes->e_relaxable[0] = execp->a_relaxable;
+}
+
+
+static const bfd_target *
+b_out_object_p (abfd)
+ bfd *abfd;
+{
+ struct internal_exec anexec;
+ struct external_exec exec_bytes;
+
+ if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
+ != EXEC_BYTES_SIZE) {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+
+ anexec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
+
+ if (N_BADMAG (anexec)) {
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+
+ bout_swap_exec_header_in (abfd, &exec_bytes, &anexec);
+ return aout_32_some_aout_object_p (abfd, &anexec, b_out_callback);
+}
+
+
+/* Finish up the opening of a b.out file for reading. Fill in all the
+ fields that are not handled by common code. */
+
+static const bfd_target *
+b_out_callback (abfd)
+ bfd *abfd;
+{
+ struct internal_exec *execp = exec_hdr (abfd);
+ unsigned long bss_start;
+
+ /* Architecture and machine type */
+ bfd_set_arch_mach(abfd,
+ bfd_arch_i960, /* B.out only used on i960 */
+ bfd_mach_i960_core /* Default */
+ );
+
+ /* The positions of the string table and symbol table. */
+ obj_str_filepos (abfd) = N_STROFF (*execp);
+ obj_sym_filepos (abfd) = N_SYMOFF (*execp);
+
+ /* The alignments of the sections */
+ obj_textsec (abfd)->alignment_power = execp->a_talign;
+ obj_datasec (abfd)->alignment_power = execp->a_dalign;
+ obj_bsssec (abfd)->alignment_power = execp->a_balign;
+
+ /* The starting addresses of the sections. */
+ obj_textsec (abfd)->vma = execp->a_tload;
+ obj_datasec (abfd)->vma = execp->a_dload;
+
+ obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
+ obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
+
+ /* And reload the sizes, since the aout module zaps them */
+ obj_textsec (abfd)->_raw_size = execp->a_text;
+
+ bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */
+ obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);
+
+ obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
+
+ /* The file positions of the sections */
+ obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
+ obj_datasec (abfd)->filepos = N_DATOFF(*execp);
+
+ /* The file positions of the relocation info */
+ obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
+ obj_datasec (abfd)->rel_filepos = N_DROFF(*execp);
+
+ adata(abfd).page_size = 1; /* Not applicable. */
+ adata(abfd).segment_size = 1; /* Not applicable. */
+ adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
+
+ if (execp->a_relaxable)
+ abfd->flags |= BFD_IS_RELAXABLE;
+ return abfd->xvec;
+}
+
+struct bout_data_struct {
+ struct aoutdata a;
+ struct internal_exec e;
+};
+
+static boolean
+b_out_mkobject (abfd)
+ bfd *abfd;
+{
+ struct bout_data_struct *rawptr;
+
+ rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
+ if (rawptr == NULL)
+ return false;
+
+ abfd->tdata.bout_data = rawptr;
+ exec_hdr (abfd) = &rawptr->e;
+
+ obj_textsec (abfd) = (asection *)NULL;
+ obj_datasec (abfd) = (asection *)NULL;
+ obj_bsssec (abfd) = (asection *)NULL;
+
+ return true;
+}
+
+static int
+b_out_symbol_cmp (a, b)
+ struct aout_symbol **a, **b;
+{
+ asection *sec;
+ bfd_vma av, bv;
+
+ /* Primary key is address */
+ sec = bfd_get_section (&(*a)->symbol);
+ av = sec->output_section->vma + sec->output_offset + (*a)->symbol.value;
+ sec = bfd_get_section (&(*b)->symbol);
+ bv = sec->output_section->vma + sec->output_offset + (*b)->symbol.value;
+
+ if (av < bv)
+ return -1;
+ if (av > bv)
+ return 1;
+
+ /* Secondary key puts CALLNAME syms last and BALNAME syms first, so
+ that they have the best chance of being contiguous. */
+ if (IS_BALNAME ((*a)->other) || IS_CALLNAME ((*b)->other))
+ return -1;
+ if (IS_CALLNAME ((*a)->other) || IS_BALNAME ((*b)->other))
+ return 1;
+
+ return 0;
+}
+
+static boolean
+b_out_write_object_contents (abfd)
+ bfd *abfd;
+{
+ struct external_exec swapped_hdr;
+
+ if (! aout_32_make_sections (abfd))
+ return false;
+
+ exec_hdr (abfd)->a_info = BMAGIC;
+
+ exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
+ exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size;
+ exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size;
+ exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
+ exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
+ exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
+ sizeof (struct relocation_info));
+ exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
+ sizeof (struct relocation_info));
+
+ exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
+ exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
+ exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;
+
+ exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
+ exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;
+
+ bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
+
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
+ || (bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
+ != EXEC_BYTES_SIZE))
+ return false;
+
+ /* Now write out reloc info, followed by syms and strings */
+ if (bfd_get_symcount (abfd) != 0)
+ {
+ /* Make sure {CALL,BAL}NAME symbols remain adjacent on output
+ by sorting. This is complicated by the fact that stabs are
+ also ordered. Solve this by shifting all stabs to the end
+ in order, then sorting the rest. */
+
+ asymbol **outsyms, **p, **q;
+
+ outsyms = bfd_get_outsymbols (abfd);
+ p = outsyms + bfd_get_symcount (abfd);
+
+ for (q = p--; p >= outsyms; p--)
+ {
+ if ((*p)->flags & BSF_DEBUGGING)
+ {
+ asymbol *t = *--q;
+ *q = *p;
+ *p = t;
+ }
+ }
+
+ if (q > outsyms)
+ qsort (outsyms, q - outsyms, sizeof(asymbol*), b_out_symbol_cmp);
+
+ /* Back to your regularly scheduled program. */
+
+ if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET)
+ != 0)
+ return false;
+
+ if (! aout_32_write_syms (abfd))
+ return false;
+
+ if (bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET) != 0)
+ return false;
+
+ if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
+ if (bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET)
+ != 0)
+ return false;
+
+ if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
+ }
+ return true;
+}
+
+/** Some reloc hackery */
+
+#define CALLS 0x66003800 /* Template for 'calls' instruction */
+#define BAL 0x0b000000 /* Template for 'bal' instruction */
+#define BAL_MASK 0x00ffffff
+#define BALX 0x85f00000 /* Template for 'balx' instruction */
+#define BALX_MASK 0x0007ffff
+#define CALL 0x09000000
+#define PCREL13_MASK 0x1fff
+
+
+#define output_addr(sec) ((sec)->output_offset+(sec)->output_section->vma)
+
+/* Magic to turn callx into calljx */
+static bfd_reloc_status_type
+calljx_callback (abfd, link_info, reloc_entry, src, dst, input_section)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+ arelent *reloc_entry;
+ PTR src;
+ PTR dst;
+ asection *input_section;
+{
+ int word = bfd_get_32 (abfd, src);
+ asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
+ aout_symbol_type *symbol = aout_symbol (symbol_in);
+ bfd_vma value;
+
+ value = get_value (reloc_entry, link_info, input_section);
+
+ if (IS_CALLNAME (symbol->other))
+ {
+ aout_symbol_type *balsym = symbol+1;
+ int inst = bfd_get_32 (abfd, (bfd_byte *) src-4);
+ /* The next symbol should be an N_BALNAME */
+ BFD_ASSERT (IS_BALNAME (balsym->other));
+ inst &= BALX_MASK;
+ inst |= BALX;
+ bfd_put_32 (abfd, inst, (bfd_byte *) dst-4);
+ symbol = balsym;
+ value = (symbol->symbol.value
+ + output_addr (symbol->symbol.section));
+ }
+
+ word += value + reloc_entry->addend;
+
+ bfd_put_32(abfd, word, dst);
+ return bfd_reloc_ok;
+}
+
+
+/* Magic to turn call into callj */
+static bfd_reloc_status_type
+callj_callback (abfd, link_info, reloc_entry, data, srcidx, dstidx,
+ input_section, shrinking)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+ arelent *reloc_entry;
+ PTR data;
+ unsigned int srcidx;
+ unsigned int dstidx;
+ asection *input_section;
+ boolean shrinking;
+{
+ int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx);
+ asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
+ aout_symbol_type *symbol = aout_symbol (symbol_in);
+ bfd_vma value;
+
+ value = get_value (reloc_entry, link_info, input_section);
+
+ if (IS_OTHER(symbol->other))
+ {
+ /* Call to a system procedure - replace code with system
+ procedure number. */
+ word = CALLS | (symbol->other - 1);
+ }
+ else if (IS_CALLNAME(symbol->other))
+ {
+ aout_symbol_type *balsym = symbol+1;
+
+ /* The next symbol should be an N_BALNAME. */
+ BFD_ASSERT(IS_BALNAME(balsym->other));
+
+ /* We are calling a leaf, so replace the call instruction with a
+ bal. */
+ word = BAL | ((word
+ + output_addr (balsym->symbol.section)
+ + balsym->symbol.value + reloc_entry->addend
+ - dstidx
+ - output_addr (input_section))
+ & BAL_MASK);
+ }
+ else if ((symbol->symbol.flags & BSF_SECTION_SYM) != 0)
+ {
+ /* A callj against a symbol in the same section is a fully
+ resolved relative call. We don't need to do anything here.
+ If the symbol is not in the same section, I'm not sure what
+ to do; fortunately, this case will probably never arise. */
+ BFD_ASSERT (! shrinking);
+ BFD_ASSERT (symbol->symbol.section == input_section);
+ }
+ else
+ {
+ word = CALL | (((word & BAL_MASK)
+ + value
+ + reloc_entry->addend
+ - (shrinking ? dstidx : 0)
+ - output_addr (input_section))
+ & BAL_MASK);
+ }
+ bfd_put_32(abfd, word, (bfd_byte *) data + dstidx);
+ return bfd_reloc_ok;
+}
+
+/* type rshift size bitsize pcrel bitpos absolute overflow check*/
+
+#define ABS32CODE 0
+#define ABS32CODE_SHRUNK 1
+#define PCREL24 2
+#define CALLJ 3
+#define ABS32 4
+#define PCREL13 5
+#define ABS32_MAYBE_RELAXABLE 1
+#define ABS32_WAS_RELAXABLE 2
+
+#define ALIGNER 10
+#define ALIGNDONE 11
+static reloc_howto_type howto_reloc_callj =
+HOWTO(CALLJ, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callj", true, 0x00ffffff, 0x00ffffff,false);
+static reloc_howto_type howto_reloc_abs32 =
+HOWTO(ABS32, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"abs32", true, 0xffffffff,0xffffffff,false);
+static reloc_howto_type howto_reloc_pcrel24 =
+HOWTO(PCREL24, 0, 2, 24, true, 0, complain_overflow_signed,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false);
+
+static reloc_howto_type howto_reloc_pcrel13 =
+HOWTO(PCREL13, 0, 2, 13, true, 0, complain_overflow_signed,0,"pcrel13", true, 0x00001fff,0x00001fff,false);
+
+
+static reloc_howto_type howto_reloc_abs32codeshrunk =
+HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callx->callj", true, 0x00ffffff, 0x00ffffff,false);
+
+static reloc_howto_type howto_reloc_abs32code =
+HOWTO(ABS32CODE, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"callx", true, 0xffffffff,0xffffffff,false);
+
+static reloc_howto_type howto_align_table[] = {
+ HOWTO (ALIGNER, 0, 0x1, 0, false, 0, complain_overflow_dont, 0, "align16", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0x3, 0, false, 0, complain_overflow_dont, 0, "align32", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0x7, 0, false, 0, complain_overflow_dont, 0, "align64", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0xf, 0, false, 0, complain_overflow_dont, 0, "align128", false, 0, 0, false),
+};
+
+static reloc_howto_type howto_done_align_table[] = {
+ HOWTO (ALIGNDONE, 0x1, 0x1, 0, false, 0, complain_overflow_dont, 0, "donealign16", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0x3, 0x3, 0, false, 0, complain_overflow_dont, 0, "donealign32", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0x7, 0x7, 0, false, 0, complain_overflow_dont, 0, "donealign64", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, complain_overflow_dont, 0, "donealign128", false, 0, 0, false),
+};
+
+static reloc_howto_type *
+b_out_bfd_reloc_type_lookup (abfd, code)
+ bfd *abfd;
+ bfd_reloc_code_real_type code;
+{
+ switch (code)
+ {
+ default:
+ return 0;
+ case BFD_RELOC_I960_CALLJ:
+ return &howto_reloc_callj;
+ case BFD_RELOC_32:
+ case BFD_RELOC_CTOR:
+ return &howto_reloc_abs32;
+ case BFD_RELOC_24_PCREL:
+ return &howto_reloc_pcrel24;
+ }
+}
+
+/* Allocate enough room for all the reloc entries, plus pointers to them all */
+
+static boolean
+b_out_slurp_reloc_table (abfd, asect, symbols)
+ bfd *abfd;
+ sec_ptr asect;
+ asymbol **symbols;
+{
+ register struct relocation_info *rptr;
+ unsigned int counter ;
+ arelent *cache_ptr ;
+ int extern_mask, pcrel_mask, callj_mask, length_shift;
+ int incode_mask;
+ int size_mask;
+ bfd_vma prev_addr = 0;
+ unsigned int count;
+ size_t reloc_size;
+ struct relocation_info *relocs;
+ arelent *reloc_cache;
+
+ if (asect->relocation)
+ return true;
+ if (!aout_32_slurp_symbol_table (abfd))
+ return false;
+
+ if (asect == obj_datasec (abfd)) {
+ reloc_size = exec_hdr(abfd)->a_drsize;
+ goto doit;
+ }
+
+ if (asect == obj_textsec (abfd)) {
+ reloc_size = exec_hdr(abfd)->a_trsize;
+ goto doit;
+ }
+
+ if (asect == obj_bsssec (abfd)) {
+ reloc_size = 0;
+ goto doit;
+ }
+
+ bfd_set_error (bfd_error_invalid_operation);
+ return false;
+
+ doit:
+ if (bfd_seek (abfd, (file_ptr)(asect->rel_filepos), SEEK_SET) != 0)
+ return false;
+ count = reloc_size / sizeof (struct relocation_info);
+
+ relocs = (struct relocation_info *) bfd_malloc (reloc_size);
+ if (!relocs && reloc_size != 0)
+ return false;
+ reloc_cache = (arelent *) bfd_malloc ((count+1) * sizeof (arelent));
+ if (!reloc_cache) {
+ if (relocs != NULL)
+ free ((char*)relocs);
+ return false;
+ }
+
+ if (bfd_read ((PTR) relocs, 1, reloc_size, abfd) != reloc_size) {
+ free (reloc_cache);
+ if (relocs != NULL)
+ free (relocs);
+ return false;
+ }
+
+
+
+ if (bfd_header_big_endian (abfd)) {
+ /* big-endian bit field allocation order */
+ pcrel_mask = 0x80;
+ extern_mask = 0x10;
+ incode_mask = 0x08;
+ callj_mask = 0x02;
+ size_mask = 0x20;
+ length_shift = 5;
+ } else {
+ /* little-endian bit field allocation order */
+ pcrel_mask = 0x01;
+ extern_mask = 0x08;
+ incode_mask = 0x10;
+ callj_mask = 0x40;
+ size_mask = 0x02;
+ length_shift = 1;
+ }
+
+ for (rptr = relocs, cache_ptr = reloc_cache, counter = 0;
+ counter < count;
+ counter++, rptr++, cache_ptr++)
+ {
+ unsigned char *raw = (unsigned char *)rptr;
+ unsigned int symnum;
+ cache_ptr->address = bfd_h_get_32 (abfd, raw + 0);
+ cache_ptr->howto = 0;
+ if (bfd_header_big_endian (abfd))
+ {
+ symnum = (raw[4] << 16) | (raw[5] << 8) | raw[6];
+ }
+ else
+ {
+ symnum = (raw[6] << 16) | (raw[5] << 8) | raw[4];
+ }
+
+ if (raw[7] & extern_mask)
+ {
+ /* if this is set then the r_index is a index into the symbol table;
+ * if the bit is not set then r_index contains a section map.
+ * we either fill in the sym entry with a pointer to the symbol,
+ * or point to the correct section
+ */
+ cache_ptr->sym_ptr_ptr = symbols + symnum;
+ cache_ptr->addend = 0;
+ } else
+ {
+ /* in a.out symbols are relative to the beginning of the
+ * file rather than sections ?
+ * (look in translate_from_native_sym_flags)
+ * the reloc entry addend has added to it the offset into the
+ * file of the data, so subtract the base to make the reloc
+ * section relative */
+ int s;
+ {
+ /* sign-extend symnum from 24 bits to whatever host uses */
+ s = symnum;
+ if (s & (1 << 23))
+ s |= (~0) << 24;
+ }
+ cache_ptr->sym_ptr_ptr = (asymbol **)NULL;
+ switch (s)
+ {
+ case N_TEXT:
+ case N_TEXT | N_EXT:
+ cache_ptr->sym_ptr_ptr = obj_textsec(abfd)->symbol_ptr_ptr;
+ cache_ptr->addend = - obj_textsec(abfd)->vma;
+ break;
+ case N_DATA:
+ case N_DATA | N_EXT:
+ cache_ptr->sym_ptr_ptr = obj_datasec(abfd)->symbol_ptr_ptr;
+ cache_ptr->addend = - obj_datasec(abfd)->vma;
+ break;
+ case N_BSS:
+ case N_BSS | N_EXT:
+ cache_ptr->sym_ptr_ptr = obj_bsssec(abfd)->symbol_ptr_ptr;
+ cache_ptr->addend = - obj_bsssec(abfd)->vma;
+ break;
+ case N_ABS:
+ case N_ABS | N_EXT:
+ cache_ptr->sym_ptr_ptr = obj_bsssec(abfd)->symbol_ptr_ptr;
+ cache_ptr->addend = 0;
+ break;
+ case -2: /* .align */
+ if (raw[7] & pcrel_mask)
+ {
+ cache_ptr->howto = &howto_align_table[(raw[7] >> length_shift) & 3];
+ cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ }
+ else
+ {
+ /* .org? */
+ abort ();
+ }
+ cache_ptr->addend = 0;
+ break;
+ default:
+ BFD_ASSERT(0);
+ break;
+ }
+
+ }
+
+ /* the i960 only has a few relocation types:
+ abs 32-bit and pcrel 24bit. except for callj's! */
+ if (cache_ptr->howto != 0)
+ ;
+ else if (raw[7] & callj_mask)
+ {
+ cache_ptr->howto = &howto_reloc_callj;
+ }
+ else if ( raw[7] & pcrel_mask)
+ {
+ if (raw[7] & size_mask)
+ cache_ptr->howto = &howto_reloc_pcrel13;
+ else
+ cache_ptr->howto = &howto_reloc_pcrel24;
+ }
+ else
+ {
+ if (raw[7] & incode_mask)
+ {
+ cache_ptr->howto = &howto_reloc_abs32code;
+ }
+ else
+ {
+ cache_ptr->howto = &howto_reloc_abs32;
+ }
+ }
+ if (cache_ptr->address < prev_addr)
+ {
+ /* Ouch! this reloc is out of order, insert into the right place
+ */
+ arelent tmp;
+ arelent *cursor = cache_ptr-1;
+ bfd_vma stop = cache_ptr->address;
+ tmp = *cache_ptr;
+ while (cursor->address > stop && cursor >= reloc_cache)
+ {
+ cursor[1] = cursor[0];
+ cursor--;
+ }
+ cursor[1] = tmp;
+ }
+ else
+ {
+ prev_addr = cache_ptr->address;
+ }
+ }
+
+
+ if (relocs != NULL)
+ free (relocs);
+ asect->relocation = reloc_cache;
+ asect->reloc_count = count;
+
+
+ return true;
+}
+
+
+static boolean
+b_out_squirt_out_relocs (abfd, section)
+ bfd *abfd;
+ asection *section;
+{
+ arelent **generic;
+ int r_extern = 0;
+ int r_idx;
+ int incode_mask;
+ int len_1;
+ unsigned int count = section->reloc_count;
+ struct relocation_info *native, *natptr;
+ size_t natsize = count * sizeof (struct relocation_info);
+ int extern_mask, pcrel_mask, len_2, callj_mask;
+ if (count == 0) return true;
+ generic = section->orelocation;
+ native = ((struct relocation_info *) bfd_malloc (natsize));
+ if (!native && natsize != 0)
+ return false;
+
+ if (bfd_header_big_endian (abfd))
+ {
+ /* Big-endian bit field allocation order */
+ pcrel_mask = 0x80;
+ extern_mask = 0x10;
+ len_2 = 0x40;
+ len_1 = 0x20;
+ callj_mask = 0x02;
+ incode_mask = 0x08;
+ }
+ else
+ {
+ /* Little-endian bit field allocation order */
+ pcrel_mask = 0x01;
+ extern_mask = 0x08;
+ len_2 = 0x04;
+ len_1 = 0x02;
+ callj_mask = 0x40;
+ incode_mask = 0x10;
+ }
+
+ for (natptr = native; count > 0; --count, ++natptr, ++generic)
+ {
+ arelent *g = *generic;
+ unsigned char *raw = (unsigned char *)natptr;
+ asymbol *sym = *(g->sym_ptr_ptr);
+
+ asection *output_section = sym->section->output_section;
+
+ bfd_h_put_32(abfd, g->address, raw);
+ /* Find a type in the output format which matches the input howto -
+ * at the moment we assume input format == output format FIXME!!
+ */
+ r_idx = 0;
+ /* FIXME: Need callj stuff here, and to check the howto entries to
+ be sure they are real for this architecture. */
+ if (g->howto== &howto_reloc_callj)
+ {
+ raw[7] = callj_mask + pcrel_mask + len_2;
+ }
+ else if (g->howto == &howto_reloc_pcrel24)
+ {
+ raw[7] = pcrel_mask + len_2;
+ }
+ else if (g->howto == &howto_reloc_pcrel13)
+ {
+ raw[7] = pcrel_mask + len_1;
+ }
+ else if (g->howto == &howto_reloc_abs32code)
+ {
+ raw[7] = len_2 + incode_mask;
+ }
+ else if (g->howto >= howto_align_table
+ && g->howto <= (howto_align_table
+ + sizeof (howto_align_table) / sizeof (howto_align_table[0])
+ - 1))
+ {
+ /* symnum == -2; extern_mask not set, pcrel_mask set */
+ r_idx = -2;
+ r_extern = 0;
+ raw[7] = (pcrel_mask
+ | ((g->howto - howto_align_table) << 1));
+ }
+ else {
+ raw[7] = len_2;
+ }
+
+ if (r_idx != 0)
+ /* already mucked with r_extern, r_idx */;
+ else if (bfd_is_com_section (output_section)
+ || bfd_is_abs_section (output_section)
+ || bfd_is_und_section (output_section))
+ {
+
+ if (bfd_abs_section_ptr->symbol == sym)
+ {
+ /* Whoops, looked like an abs symbol, but is really an offset
+ from the abs section */
+ r_idx = 0;
+ r_extern = 0;
+ }
+ else
+ {
+ /* Fill in symbol */
+
+ r_extern = 1;
+ r_idx = (*g->sym_ptr_ptr)->udata.i;
+ }
+ }
+ else
+ {
+ /* Just an ordinary section */
+ r_extern = 0;
+ r_idx = output_section->target_index;
+ }
+
+ if (bfd_header_big_endian (abfd)) {
+ raw[4] = (unsigned char) (r_idx >> 16);
+ raw[5] = (unsigned char) (r_idx >> 8);
+ raw[6] = (unsigned char) (r_idx );
+ } else {
+ raw[6] = (unsigned char) (r_idx >> 16);
+ raw[5] = (unsigned char) (r_idx>> 8);
+ raw[4] = (unsigned char) (r_idx );
+ }
+ if (r_extern)
+ raw[7] |= extern_mask;
+ }
+
+ if (bfd_write ((PTR) native, 1, natsize, abfd) != natsize) {
+ free((PTR)native);
+ return false;
+ }
+ free ((PTR)native);
+
+ return true;
+}
+
+/* This is stupid. This function should be a boolean predicate */
+static long
+b_out_canonicalize_reloc (abfd, section, relptr, symbols)
+ bfd *abfd;
+ sec_ptr section;
+ arelent **relptr;
+ asymbol **symbols;
+{
+ arelent *tblptr;
+ unsigned int count;
+
+ if ((section->flags & SEC_CONSTRUCTOR) != 0)
+ {
+ arelent_chain *chain = section->constructor_chain;
+ for (count = 0; count < section->reloc_count; count++)
+ {
+ *relptr++ = &chain->relent;
+ chain = chain->next;
+ }
+ }
+ else
+ {
+ if (section->relocation == NULL
+ && ! b_out_slurp_reloc_table (abfd, section, symbols))
+ return -1;
+
+ tblptr = section->relocation;
+ for (count = 0; count++ < section->reloc_count;)
+ *relptr++ = tblptr++;
+ }
+
+ *relptr = NULL;
+
+ return section->reloc_count;
+}
+
+static long
+b_out_get_reloc_upper_bound (abfd, asect)
+ bfd *abfd;
+ sec_ptr asect;
+{
+ if (bfd_get_format (abfd) != bfd_object) {
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+ }
+
+ if (asect->flags & SEC_CONSTRUCTOR)
+ return sizeof (arelent *) * (asect->reloc_count + 1);
+
+ if (asect == obj_datasec (abfd))
+ return (sizeof (arelent *) *
+ ((exec_hdr(abfd)->a_drsize / sizeof (struct relocation_info))
+ +1));
+
+ if (asect == obj_textsec (abfd))
+ return (sizeof (arelent *) *
+ ((exec_hdr(abfd)->a_trsize / sizeof (struct relocation_info))
+ +1));
+
+ if (asect == obj_bsssec (abfd))
+ return 0;
+
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+}
+
+static boolean
+b_out_set_section_contents (abfd, section, location, offset, count)
+ bfd *abfd;
+ asection *section;
+ PTR location;
+ file_ptr offset;
+ bfd_size_type count;
+{
+
+ if (abfd->output_has_begun == false) { /* set by bfd.c handler */
+ if (! aout_32_make_sections (abfd))
+ return false;
+
+ obj_textsec (abfd)->filepos = sizeof(struct internal_exec);
+ obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos
+ + obj_textsec (abfd)->_raw_size;
+
+ }
+ /* regardless, once we know what we're doing, we might as well get going */
+ if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
+ return false;
+
+ if (count != 0) {
+ return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false;
+ }
+ return true;
+}
+
+static boolean
+b_out_set_arch_mach (abfd, arch, machine)
+ bfd *abfd;
+ enum bfd_architecture arch;
+ unsigned long machine;
+{
+ bfd_default_set_arch_mach(abfd, arch, machine);
+
+ if (arch == bfd_arch_unknown) /* Unknown machine arch is OK */
+ return true;
+ if (arch == bfd_arch_i960) /* i960 default is OK */
+ switch (machine) {
+ case bfd_mach_i960_core:
+ case bfd_mach_i960_kb_sb:
+ case bfd_mach_i960_mc:
+ case bfd_mach_i960_xa:
+ case bfd_mach_i960_ca:
+ case bfd_mach_i960_ka_sa:
+ case bfd_mach_i960_jx:
+ case bfd_mach_i960_hx:
+ case 0:
+ return true;
+ default:
+ return false;
+ }
+
+ return false;
+}
+
+static int
+b_out_sizeof_headers (ignore_abfd, ignore)
+ bfd *ignore_abfd;
+ boolean ignore;
+{
+ return sizeof(struct internal_exec);
+}
+
+
+
+/************************************************************************/
+static bfd_vma
+get_value (reloc, link_info, input_section)
+ arelent *reloc;
+ struct bfd_link_info *link_info;
+ asection *input_section;
+{
+ bfd_vma value;
+ asymbol *symbol = *(reloc->sym_ptr_ptr);
+
+ /* A symbol holds a pointer to a section, and an offset from the
+ base of the section. To relocate, we find where the section will
+ live in the output and add that in */
+
+ if (bfd_is_und_section (symbol->section))
+ {
+ struct bfd_link_hash_entry *h;
+
+ /* The symbol is undefined in this BFD. Look it up in the
+ global linker hash table. FIXME: This should be changed when
+ we convert b.out to use a specific final_link function and
+ change the interface to bfd_relax_section to not require the
+ generic symbols. */
+ h = bfd_wrapped_link_hash_lookup (input_section->owner, link_info,
+ bfd_asymbol_name (symbol),
+ false, false, true);
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ value = h->u.def.value + output_addr (h->u.def.section);
+ else if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_common)
+ value = h->u.c.size;
+ else
+ {
+ if (! ((*link_info->callbacks->undefined_symbol)
+ (link_info, bfd_asymbol_name (symbol),
+ input_section->owner, input_section, reloc->address)))
+ abort ();
+ value = 0;
+ }
+ }
+ else
+ {
+ value = symbol->value + output_addr (symbol->section);
+ }
+
+ /* Add the value contained in the relocation */
+ value += reloc->addend;
+
+ return value;
+}
+
+static void
+perform_slip (abfd, slip, input_section, value)
+ bfd *abfd;
+ unsigned int slip;
+ asection *input_section;
+ bfd_vma value;
+{
+ asymbol **s;
+
+ s = _bfd_generic_link_get_symbols (abfd);
+ BFD_ASSERT (s != (asymbol **) NULL);
+
+ /* Find all symbols past this point, and make them know
+ what's happened */
+ while (*s)
+ {
+ asymbol *p = *s;
+ if (p->section == input_section)
+ {
+ /* This was pointing into this section, so mangle it */
+ if (p->value > value)
+ {
+ p->value -=slip;
+ if (p->udata.p != NULL)
+ {
+ struct generic_link_hash_entry *h;
+
+ h = (struct generic_link_hash_entry *) p->udata.p;
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined);
+ h->root.u.def.value -= slip;
+ BFD_ASSERT (h->root.u.def.value == p->value);
+ }
+ }
+ }
+ s++;
+
+ }
+}
+
+/* This routine works out if the thing we want to get to can be
+ reached with a 24bit offset instead of a 32 bit one.
+ If it can, then it changes the amode */
+
+static int
+abs32code (abfd, input_section, r, shrink, link_info)
+ bfd *abfd;
+ asection *input_section;
+ arelent *r;
+ unsigned int shrink;
+ struct bfd_link_info *link_info;
+{
+ bfd_vma value = get_value (r, link_info, input_section);
+ bfd_vma dot = output_addr (input_section) + r->address;
+ bfd_vma gap;
+
+ /* See if the address we're looking at within 2^23 bytes of where
+ we are, if so then we can use a small branch rather than the
+ jump we were going to */
+
+ gap = value - (dot - shrink);
+
+
+ if (-1<<23 < (long)gap && (long)gap < 1<<23 )
+ {
+ /* Change the reloc type from 32bitcode possible 24, to 24bit
+ possible 32 */
+
+ r->howto = &howto_reloc_abs32codeshrunk;
+ /* The place to relc moves back by four bytes */
+ r->address -=4;
+
+ /* This will be four bytes smaller in the long run */
+ shrink += 4 ;
+ perform_slip (abfd, 4, input_section, r->address-shrink + 4);
+ }
+ return shrink;
+}
+
+static int
+aligncode (abfd, input_section, r, shrink)
+ bfd *abfd;
+ asection *input_section;
+ arelent *r;
+ unsigned int shrink;
+{
+ bfd_vma dot = output_addr (input_section) + r->address;
+ bfd_vma gap;
+ bfd_vma old_end;
+ bfd_vma new_end;
+ int shrink_delta;
+ int size = r->howto->size;
+
+ /* Reduce the size of the alignment so that it's still aligned but
+ smaller - the current size is already the same size as or bigger
+ than the alignment required. */
+
+ /* calculate the first byte following the padding before we optimize */
+ old_end = ((dot + size ) & ~size) + size+1;
+ /* work out where the new end will be - remember that we're smaller
+ than we used to be */
+ new_end = ((dot - shrink + size) & ~size);
+
+ /* This is the new end */
+ gap = old_end - ((dot + size) & ~size);
+
+ shrink_delta = (old_end - new_end) - shrink;
+
+ if (shrink_delta)
+ {
+ /* Change the reloc so that it knows how far to align to */
+ r->howto = howto_done_align_table + (r->howto - howto_align_table);
+
+ /* Encode the stuff into the addend - for future use we need to
+ know how big the reloc used to be */
+ r->addend = old_end - dot + r->address;
+
+ /* This will be N bytes smaller in the long run, adjust all the symbols */
+ perform_slip (abfd, shrink_delta, input_section, r->address - shrink);
+ shrink += shrink_delta;
+ }
+ return shrink;
+}
+
+static boolean
+b_out_bfd_relax_section (abfd, i, link_info, again)
+ bfd *abfd;
+ asection *i;
+ struct bfd_link_info *link_info;
+ boolean *again;
+{
+ /* Get enough memory to hold the stuff */
+ bfd *input_bfd = i->owner;
+ asection *input_section = i;
+ int shrink = 0 ;
+ arelent **reloc_vector = NULL;
+ long reloc_size = bfd_get_reloc_upper_bound(input_bfd,
+ input_section);
+
+ if (reloc_size < 0)
+ return false;
+
+ /* We only run this relaxation once. It might work to run it
+ multiple times, but it hasn't been tested. */
+ *again = false;
+
+ if (reloc_size)
+ {
+ long reloc_count;
+
+ reloc_vector = (arelent **) bfd_malloc (reloc_size);
+ if (reloc_vector == NULL && reloc_size != 0)
+ goto error_return;
+
+ /* Get the relocs and think about them */
+ reloc_count =
+ bfd_canonicalize_reloc (input_bfd, input_section, reloc_vector,
+ _bfd_generic_link_get_symbols (input_bfd));
+ if (reloc_count < 0)
+ goto error_return;
+ if (reloc_count > 0)
+ {
+ arelent **parent;
+ for (parent = reloc_vector; *parent; parent++)
+ {
+ arelent *r = *parent;
+ switch (r->howto->type)
+ {
+ case ALIGNER:
+ /* An alignment reloc */
+ shrink = aligncode (abfd, input_section, r, shrink);
+ break;
+ case ABS32CODE:
+ /* A 32bit reloc in an addressing mode */
+ shrink = abs32code (input_bfd, input_section, r, shrink,
+ link_info);
+ break;
+ case ABS32CODE_SHRUNK:
+ shrink+=4;
+ break;
+ }
+ }
+ }
+ }
+ input_section->_cooked_size = input_section->_raw_size - shrink;
+
+ if (reloc_vector != NULL)
+ free (reloc_vector);
+ return true;
+ error_return:
+ if (reloc_vector != NULL)
+ free (reloc_vector);
+ return false;
+}
+
+static bfd_byte *
+b_out_bfd_get_relocated_section_contents (output_bfd, link_info, link_order,
+ data, relocateable, symbols)
+ bfd *output_bfd;
+ struct bfd_link_info *link_info;
+ struct bfd_link_order *link_order;
+ bfd_byte *data;
+ boolean relocateable;
+ asymbol **symbols;
+{
+ /* Get enough memory to hold the stuff */
+ bfd *input_bfd = link_order->u.indirect.section->owner;
+ asection *input_section = link_order->u.indirect.section;
+ long reloc_size = bfd_get_reloc_upper_bound (input_bfd,
+ input_section);
+ arelent **reloc_vector = NULL;
+ long reloc_count;
+
+ if (reloc_size < 0)
+ goto error_return;
+
+ /* If producing relocateable output, don't bother to relax. */
+ if (relocateable)
+ return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
+ link_order,
+ data, relocateable,
+ symbols);
+
+ reloc_vector = (arelent **) bfd_malloc (reloc_size);
+ if (reloc_vector == NULL && reloc_size != 0)
+ goto error_return;
+
+ input_section->reloc_done = 1;
+
+ /* read in the section */
+ BFD_ASSERT (true == bfd_get_section_contents (input_bfd,
+ input_section,
+ data,
+ 0,
+ input_section->_raw_size));
+
+ reloc_count = bfd_canonicalize_reloc (input_bfd,
+ input_section,
+ reloc_vector,
+ symbols);
+ if (reloc_count < 0)
+ goto error_return;
+ if (reloc_count > 0)
+ {
+ arelent **parent = reloc_vector;
+ arelent *reloc ;
+
+ unsigned int dst_address = 0;
+ unsigned int src_address = 0;
+ unsigned int run;
+ unsigned int idx;
+
+ /* Find how long a run we can do */
+ while (dst_address < link_order->size)
+ {
+ reloc = *parent;
+ if (reloc)
+ {
+ /* Note that the relaxing didn't tie up the addresses in the
+ relocation, so we use the original address to work out the
+ run of non-relocated data */
+ BFD_ASSERT (reloc->address >= src_address);
+ run = reloc->address - src_address;
+ parent++;
+ }
+ else
+ {
+ run = link_order->size - dst_address;
+ }
+ /* Copy the bytes */
+ for (idx = 0; idx < run; idx++)
+ {
+ data[dst_address++] = data[src_address++];
+ }
+
+ /* Now do the relocation */
+
+ if (reloc)
+ {
+ switch (reloc->howto->type)
+ {
+ case ABS32CODE:
+ calljx_callback (input_bfd, link_info, reloc,
+ src_address + data, dst_address + data,
+ input_section);
+ src_address+=4;
+ dst_address+=4;
+ break;
+ case ABS32:
+ bfd_put_32 (input_bfd,
+ (bfd_get_32 (input_bfd, data + src_address)
+ + get_value (reloc, link_info, input_section)),
+ data + dst_address);
+ src_address+=4;
+ dst_address+=4;
+ break;
+ case CALLJ:
+ callj_callback (input_bfd, link_info, reloc, data,
+ src_address, dst_address, input_section,
+ false);
+ src_address+=4;
+ dst_address+=4;
+ break;
+ case ALIGNDONE:
+ BFD_ASSERT (reloc->addend >= src_address);
+ BFD_ASSERT (reloc->addend <= input_section->_raw_size);
+ src_address = reloc->addend;
+ dst_address = ((dst_address + reloc->howto->size)
+ & ~reloc->howto->size);
+ break;
+ case ABS32CODE_SHRUNK:
+ /* This used to be a callx, but we've found out that a
+ callj will reach, so do the right thing. */
+ callj_callback (input_bfd, link_info, reloc, data,
+ src_address + 4, dst_address, input_section,
+ true);
+ dst_address+=4;
+ src_address+=8;
+ break;
+ case PCREL24:
+ {
+ long int word = bfd_get_32 (input_bfd,
+ data + src_address);
+ bfd_vma value;
+
+ value = get_value (reloc, link_info, input_section);
+ word = ((word & ~BAL_MASK)
+ | (((word & BAL_MASK)
+ + value
+ - output_addr (input_section)
+ + reloc->addend)
+ & BAL_MASK));
+
+ bfd_put_32 (input_bfd, word, data + dst_address);
+ dst_address+=4;
+ src_address+=4;
+
+ }
+ break;
+
+ case PCREL13:
+ {
+ long int word = bfd_get_32 (input_bfd,
+ data + src_address);
+ bfd_vma value;
+
+ value = get_value (reloc, link_info, input_section);
+ word = ((word & ~PCREL13_MASK)
+ | (((word & PCREL13_MASK)
+ + value
+ + reloc->addend
+ - output_addr (input_section))
+ & PCREL13_MASK));
+
+ bfd_put_32 (input_bfd, word, data + dst_address);
+ dst_address+=4;
+ src_address+=4;
+
+ }
+ break;
+
+ default:
+ abort();
+ }
+ }
+ }
+ }
+ if (reloc_vector != NULL)
+ free (reloc_vector);
+ return data;
+ error_return:
+ if (reloc_vector != NULL)
+ free (reloc_vector);
+ return NULL;
+}
+/***********************************************************************/
+
+/* Build the transfer vectors for Big and Little-Endian B.OUT files. */
+
+#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
+
+#define b_out_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define b_out_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define b_out_bfd_final_link _bfd_generic_final_link
+#define b_out_bfd_link_split_section _bfd_generic_link_split_section
+#define b_out_bfd_gc_sections bfd_generic_gc_sections
+
+#define aout_32_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
+
+const bfd_target b_out_vec_big_host =
+{
+ "b.out.big", /* name */
+ bfd_target_aout_flavour,
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_BIG, /* hdr byte order is big */
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+ '_', /* symbol leading char */
+ ' ', /* ar_pad_char */
+ 16, /* 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, b_out_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, b_out_mkobject, /* bfd_set_format */
+ _bfd_generic_mkarchive, bfd_false},
+ {bfd_false, b_out_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (aout_32),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
+ BFD_JUMP_TABLE_SYMBOLS (aout_32),
+ BFD_JUMP_TABLE_RELOCS (b_out),
+ BFD_JUMP_TABLE_WRITE (b_out),
+ BFD_JUMP_TABLE_LINK (b_out),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ (PTR) 0,
+};
+
+
+const bfd_target b_out_vec_little_host =
+{
+ "b.out.little", /* name */
+ bfd_target_aout_flavour,
+ 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 |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+ '_', /* symbol leading char */
+ ' ', /* ar_pad_char */
+ 16, /* 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_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+
+ {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, b_out_mkobject, /* bfd_set_format */
+ _bfd_generic_mkarchive, bfd_false},
+ {bfd_false, b_out_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (aout_32),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
+ BFD_JUMP_TABLE_SYMBOLS (aout_32),
+ BFD_JUMP_TABLE_RELOCS (b_out),
+ BFD_JUMP_TABLE_WRITE (b_out),
+ BFD_JUMP_TABLE_LINK (b_out),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ (PTR) 0
+};