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authorMarc Espie <espie@cvs.openbsd.org>2000-09-12 19:13:03 +0000
committerMarc Espie <espie@cvs.openbsd.org>2000-09-12 19:13:03 +0000
commit1b50fce4c0ed748c156af3ac629e50cb5e4d0ef4 (patch)
treeedee61faabd18b4a5d84e8cdb679d7a8d1fe171f /gnu/usr.bin/binutils/gas/write.c
parent9f1193e30b5f04af9ea81c644eec79b7b535b890 (diff)
Help stupid cvs fixing basic conflicts.
Diffstat (limited to 'gnu/usr.bin/binutils/gas/write.c')
-rw-r--r--gnu/usr.bin/binutils/gas/write.c889
1 files changed, 546 insertions, 343 deletions
diff --git a/gnu/usr.bin/binutils/gas/write.c b/gnu/usr.bin/binutils/gas/write.c
index 211573f2c3d..e386ece343b 100644
--- a/gnu/usr.bin/binutils/gas/write.c
+++ b/gnu/usr.bin/binutils/gas/write.c
@@ -1,5 +1,5 @@
/* write.c - emit .o file
- Copyright (C) 1986, 87, 90, 91, 92, 93, 94, 95, 1996
+ Copyright (C) 1986, 87, 90, 91, 92, 93, 94, 95, 96, 97, 98, 1999
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@@ -15,8 +15,9 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
/* This thing should be set up to do byteordering correctly. But... */
@@ -111,6 +112,26 @@ static fixS *fix_new_internal PARAMS ((fragS *, int where, int size,
static long fixup_segment PARAMS ((fixS * fixP, segT this_segment_type));
#endif
static relax_addressT relax_align PARAMS ((relax_addressT addr, int align));
+#if defined (BFD_ASSEMBLER) || ! defined (BFD)
+static fragS *chain_frchains_together_1 PARAMS ((segT, struct frchain *));
+#endif
+#ifdef BFD_ASSEMBLER
+static void chain_frchains_together PARAMS ((bfd *, segT, PTR));
+static void cvt_frag_to_fill PARAMS ((segT, fragS *));
+static void relax_and_size_seg PARAMS ((bfd *, asection *, PTR));
+static void adjust_reloc_syms PARAMS ((bfd *, asection *, PTR));
+static void write_relocs PARAMS ((bfd *, asection *, PTR));
+static void write_contents PARAMS ((bfd *, asection *, PTR));
+static void set_symtab PARAMS ((void));
+#endif
+#if defined (BFD_ASSEMBLER) || (! defined (BFD) && ! defined (OBJ_AOUT))
+static void merge_data_into_text PARAMS ((void));
+#endif
+#if ! defined (BFD_ASSEMBLER) && ! defined (BFD)
+static void cvt_frag_to_fill PARAMS ((object_headers *, segT, fragS *));
+static void remove_subsegs PARAMS ((frchainS *, int, fragS **, fragS **));
+static void relax_and_size_all_segments PARAMS ((void));
+#endif
/*
* fix_new()
@@ -145,7 +166,7 @@ fix_new_internal (frag, where, size, add_symbol, sub_symbol, offset, pcrel,
/* We've made fx_size a narrow field; check that it's wide enough. */
if (fixP->fx_size != size)
{
- as_bad ("field fx_size too small to hold %d", size);
+ as_bad (_("field fx_size too small to hold %d"), size);
abort ();
}
fixP->fx_addsy = add_symbol;
@@ -162,6 +183,13 @@ fix_new_internal (frag, where, size, add_symbol, sub_symbol, offset, pcrel,
fixP->fx_addnumber = 0;
fixP->fx_tcbit = 0;
fixP->fx_done = 0;
+ fixP->fx_no_overflow = 0;
+ fixP->fx_signed = 0;
+
+#ifdef USING_CGEN
+ fixP->fx_cgen.insn = NULL;
+ fixP->fx_cgen.opinfo = 0;
+#endif
#ifdef TC_FIX_TYPE
TC_INIT_FIX_DATA(fixP);
@@ -257,7 +285,6 @@ fix_new_exp (frag, where, size, exp, pcrel, r_type)
/* This comes up when _GLOBAL_OFFSET_TABLE_+(.-L0) is read, if
the difference expression cannot immediately be reduced. */
{
- extern symbolS *make_expr_symbol ();
symbolS *stmp = make_expr_symbol (exp);
exp->X_op = O_symbol;
exp->X_op_symbol = 0;
@@ -276,7 +303,7 @@ fix_new_exp (frag, where, size, exp, pcrel, r_type)
#if defined(TC_RVA_RELOC)
r_type = TC_RVA_RELOC;
#else
- as_fatal("rva not supported");
+ as_fatal(_("rva not supported"));
#endif
#endif
break;
@@ -341,7 +368,7 @@ record_alignment (seg, align)
if (seg == absolute_section)
return;
#ifdef BFD_ASSEMBLER
- if (align > bfd_get_section_alignment (stdoutput, seg))
+ if ((unsigned int) align > bfd_get_section_alignment (stdoutput, seg))
bfd_set_section_alignment (stdoutput, seg, align);
#else
if (align > section_alignment[(int) seg])
@@ -355,7 +382,7 @@ record_alignment (seg, align)
static void
renumber_sections (abfd, sec, countparg)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
PTR countparg;
{
@@ -406,9 +433,9 @@ chain_frchains_together_1 (section, frchp)
static void
chain_frchains_together (abfd, section, xxx)
- bfd *abfd; /* unused */
+ bfd *abfd ATTRIBUTE_UNUSED;
segT section;
- PTR xxx; /* unused */
+ PTR xxx ATTRIBUTE_UNUSED;
{
segment_info_type *info;
@@ -428,7 +455,7 @@ chain_frchains_together (abfd, section, xxx)
#if !defined (BFD) && !defined (BFD_ASSEMBLER)
-void
+static void
remove_subsegs (head, seg, root, last)
frchainS *head;
int seg;
@@ -471,8 +498,9 @@ cvt_frag_to_fill (headersP, sec, fragP)
- fragP->fr_fix) / fragP->fr_var;
if (fragP->fr_offset < 0)
{
- as_bad ("attempt to .org/.space backwards? (%ld)",
- (long) fragP->fr_offset);
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("attempt to .org/.space backwards? (%ld)"),
+ (long) fragP->fr_offset);
}
fragP->fr_type = rs_fill;
break;
@@ -480,6 +508,26 @@ cvt_frag_to_fill (headersP, sec, fragP)
case rs_fill:
break;
+ case rs_leb128:
+ {
+ valueT value = S_GET_VALUE (fragP->fr_symbol);
+ int size;
+
+ size = output_leb128 (fragP->fr_literal + fragP->fr_fix, value,
+ fragP->fr_subtype);
+
+ fragP->fr_fix += size;
+ fragP->fr_type = rs_fill;
+ fragP->fr_var = 0;
+ fragP->fr_offset = 0;
+ fragP->fr_symbol = NULL;
+ }
+ break;
+
+ case rs_cfa:
+ eh_frame_convert_frag (fragP);
+ break;
+
case rs_machine_dependent:
#ifdef BFD_ASSEMBLER
md_convert_frag (stdoutput, sec, fragP);
@@ -487,7 +535,9 @@ cvt_frag_to_fill (headersP, sec, fragP)
md_convert_frag (headersP, sec, fragP);
#endif
- assert (fragP->fr_next == NULL || (fragP->fr_next->fr_address - fragP->fr_address == fragP->fr_fix));
+ assert (fragP->fr_next == NULL
+ || ((offsetT) (fragP->fr_next->fr_address - fragP->fr_address)
+ == fragP->fr_fix));
/*
* After md_convert_frag, we make the frag into a ".space 0".
@@ -529,7 +579,7 @@ static void
relax_and_size_seg (abfd, sec, xxx)
bfd *abfd;
asection *sec;
- PTR xxx;
+ PTR xxx ATTRIBUTE_UNUSED;
{
flagword flags;
fragS *fragp;
@@ -595,7 +645,7 @@ relax_and_size_seg (abfd, sec, xxx)
#ifdef DEBUG2
static void
dump_section_relocs (abfd, sec, stream_)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
char *stream_;
{
@@ -610,22 +660,16 @@ dump_section_relocs (abfd, sec, stream_)
while (fixp)
{
symbolS *s = fixp->fx_addsy;
- if (s)
+
+ fprintf (stream, " %08lx: type %d ", (unsigned long) fixp,
+ (int) fixp->fx_r_type);
+ if (s == NULL)
+ fprintf (stream, "no sym\n");
+ else
{
- fprintf (stream, " %08x: %s(%s", fixp, S_GET_NAME (s),
- s->bsym->section->name);
- if (s->bsym->flags & BSF_SECTION_SYM)
- {
- fprintf (stream, " section sym");
- if (S_GET_VALUE (s))
- fprintf (stream, "+%x", S_GET_VALUE (s));
- }
- else
- fprintf (stream, "+%x", S_GET_VALUE (s));
- fprintf (stream, ")+%x\n", fixp->fx_offset);
+ print_symbol_value_1 (stream, s);
+ fprintf (stream, "\n");
}
- else
- fprintf (stream, " %08x: type %d no sym\n", fixp, fixp->fx_r_type);
fixp = fixp->fx_next;
}
}
@@ -639,9 +683,9 @@ dump_section_relocs (abfd, sec, stream_)
static void
adjust_reloc_syms (abfd, sec, xxx)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
- PTR xxx;
+ PTR xxx ATTRIBUTE_UNUSED;
{
segment_info_type *seginfo = seg_info (sec);
fixS *fixp;
@@ -659,32 +703,54 @@ adjust_reloc_syms (abfd, sec, xxx)
symbolS *sym;
asection *symsec;
- reduce_fixup:
-
#ifdef DEBUG5
fprintf (stderr, "\n\nadjusting fixup:\n");
print_fixup (fixp);
#endif
sym = fixp->fx_addsy;
- symsec = sym->bsym->section;
- if (sym != NULL && sym->sy_mri_common)
+ /* All symbols should have already been resolved at this
+ point. It is possible to see unresolved expression
+ symbols, though, since they are not in the regular symbol
+ table. */
+ if (sym != NULL)
+ resolve_symbol_value (sym, 1);
+
+ if (fixp->fx_subsy != NULL)
+ resolve_symbol_value (fixp->fx_subsy, 1);
+
+ /* If this symbol is equated to an undefined symbol, convert
+ the fixup to being against that symbol. */
+ if (sym != NULL && symbol_equated_p (sym)
+ && (! S_IS_DEFINED (sym) || S_IS_COMMON (sym)))
+ {
+ fixp->fx_offset += symbol_get_value_expression (sym)->X_add_number;
+ sym = symbol_get_value_expression (sym)->X_add_symbol;
+ fixp->fx_addsy = sym;
+ }
+
+ if (sym != NULL && symbol_mri_common_p (sym))
{
/* These symbols are handled specially in fixup_segment. */
goto done;
}
+ symsec = S_GET_SEGMENT (sym);
+
+ if (symsec == NULL)
+ abort ();
+
if (bfd_is_abs_section (symsec))
{
/* The fixup_segment routine will not use this symbol in a
relocation unless TC_FORCE_RELOCATION returns 1. */
if (TC_FORCE_RELOCATION (fixp))
{
- fixp->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
#ifdef UNDEFINED_DIFFERENCE_OK
if (fixp->fx_subsy != NULL)
- fixp->fx_subsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_subsy);
#endif
}
goto done;
@@ -698,31 +764,77 @@ adjust_reloc_syms (abfd, sec, xxx)
if (bfd_is_und_section (symsec)
|| bfd_is_com_section (symsec))
{
- fixp->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
#ifdef UNDEFINED_DIFFERENCE_OK
/* We have the difference of an undefined symbol and some
other symbol. Make sure to mark the other symbol as used
in a relocation so that it will always be output. */
if (fixp->fx_subsy)
- fixp->fx_subsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_subsy);
#endif
goto done;
}
+ /* Don't try to reduce relocs which refer to non-local symbols
+ in .linkonce sections. It can lead to confusion when a
+ debugging section refers to a .linkonce section. I hope
+ this will always be correct. */
+ if (symsec != sec && ! S_IS_LOCAL (sym))
+ {
+ boolean linkonce;
+
+ linkonce = false;
+#ifdef BFD_ASSEMBLER
+ if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE)
+ != 0)
+ linkonce = true;
+#endif
+#ifdef OBJ_ELF
+ /* The GNU toolchain uses an extension for ELF: a section
+ beginning with the magic string .gnu.linkonce is a
+ linkonce section. */
+ if (strncmp (segment_name (symsec), ".gnu.linkonce",
+ sizeof ".gnu.linkonce" - 1) == 0)
+ linkonce = true;
+#endif
+
+ if (linkonce)
+ {
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
+#ifdef UNDEFINED_DIFFERENCE_OK
+ if (fixp->fx_subsy != NULL)
+ symbol_mark_used_in_reloc (fixp->fx_subsy);
+#endif
+ goto done;
+ }
+ }
+
/* Since we're reducing to section symbols, don't attempt to reduce
anything that's already using one. */
- if (sym->bsym->flags & BSF_SECTION_SYM)
+ if (symbol_section_p (sym))
+ {
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
+ goto done;
+ }
+
+#ifdef BFD_ASSEMBLER
+ /* We can never adjust a reloc against a weak symbol. If we
+ did, and the weak symbol was overridden by a real symbol
+ somewhere else, then our relocation would be pointing at
+ the wrong area of memory. */
+ if (S_IS_WEAK (sym))
{
- fixp->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
goto done;
}
+#endif
/* Is there some other reason we can't adjust this one? (E.g.,
call/bal links in i960-bout symbols.) */
#ifdef obj_fix_adjustable
if (! obj_fix_adjustable (fixp))
{
- fixp->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
goto done;
}
#endif
@@ -733,32 +845,11 @@ adjust_reloc_syms (abfd, sec, xxx)
#ifdef tc_fix_adjustable
if (! tc_fix_adjustable (fixp))
{
- fixp->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
goto done;
}
#endif
- /* For PIC support: We may get expressions like
- "_GLOBAL_OFFSET_TABLE_+(.-L5)" where "." and "L5" may not
- necessarily have had a fixed difference initially. But now
- it should be a known constant, so we can reduce it. Since
- we can't easily handle a symbol value that looks like
- someUndefinedSymbol+const, though, we convert the fixup to
- access the undefined symbol directly, and discard the
- intermediate symbol. */
- if (S_GET_SEGMENT (sym) == expr_section
- && sym->sy_value.X_op == O_add
- && (resolve_symbol_value (sym->sy_value.X_add_symbol),
- S_GET_SEGMENT (sym->sy_value.X_add_symbol) == undefined_section)
- && (resolve_symbol_value (sym->sy_value.X_op_symbol),
- S_GET_SEGMENT (sym->sy_value.X_op_symbol) == absolute_section))
- {
- fixp->fx_offset += S_GET_VALUE (sym->sy_value.X_op_symbol);
- fixp->fx_offset += sym->sy_value.X_add_number;
- fixp->fx_addsy = sym->sy_value.X_add_symbol;
- goto reduce_fixup;
- }
-
/* If the section symbol isn't going to be output, the relocs
at least should still work. If not, figure out what to do
when we run into that case.
@@ -768,7 +859,11 @@ adjust_reloc_syms (abfd, sec, xxx)
the section when it calls resolve_symbol_value. */
fixp->fx_offset += S_GET_VALUE (sym);
fixp->fx_addsy = section_symbol (S_GET_SEGMENT (sym));
- fixp->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixp->fx_addsy);
+#ifdef DEBUG5
+ fprintf (stderr, "\nadjusted fixup:\n");
+ print_fixup (fixp);
+#endif
done:
;
@@ -793,7 +888,7 @@ static void
write_relocs (abfd, sec, xxx)
bfd *abfd;
asection *sec;
- PTR xxx;
+ PTR xxx ATTRIBUTE_UNUSED;
{
segment_info_type *seginfo = seg_info (sec);
int i;
@@ -815,8 +910,7 @@ write_relocs (abfd, sec, xxx)
#ifndef RELOC_EXPANSION_POSSIBLE
/* Set up reloc information as well. */
- relocs = (arelent **) bfd_alloc_by_size_t (stdoutput,
- n * sizeof (arelent *));
+ relocs = (arelent **) xmalloc (n * sizeof (arelent *));
memset ((char*)relocs, 0, n * sizeof (arelent*));
i = 0;
@@ -836,9 +930,19 @@ write_relocs (abfd, sec, xxx)
symbol, then use generate the reloc against the latter symbol
rather than the former. */
sym = fixp->fx_addsy;
- while (sym->sy_value.X_op == O_symbol
+ while (symbol_equated_p (sym)
&& (! S_IS_DEFINED (sym) || S_IS_COMMON (sym)))
- sym = sym->sy_value.X_add_symbol;
+ {
+ symbolS *n;
+
+ /* We must avoid looping, as that can occur with a badly
+ written program. */
+ n = symbol_get_value_expression (sym)->X_add_symbol;
+ if (n == sym)
+ break;
+ fixp->fx_offset += symbol_get_value_expression (sym)->X_add_number;
+ sym = n;
+ }
fixp->fx_addsy = sym;
reloc = tc_gen_reloc (sec, fixp);
@@ -864,19 +968,21 @@ write_relocs (abfd, sec, xxx)
case bfd_reloc_ok:
break;
case bfd_reloc_overflow:
- as_bad_where (fixp->fx_file, fixp->fx_line, "relocation overflow");
+ as_bad_where (fixp->fx_file, fixp->fx_line, _("relocation overflow"));
+ break;
+ case bfd_reloc_outofrange:
+ as_bad_where (fixp->fx_file, fixp->fx_line, _("relocation out of range"));
break;
default:
- as_fatal ("%s:%u: bad return from bfd_perform_relocation",
- fixp->fx_file, fixp->fx_line);
+ as_fatal (_("%s:%u: bad return from bfd_install_relocation: %x"),
+ fixp->fx_file, fixp->fx_line, s);
}
relocs[i++] = reloc;
}
#else
n = n * MAX_RELOC_EXPANSION;
/* Set up reloc information as well. */
- relocs = (arelent **) bfd_alloc_by_size_t (stdoutput,
- n * sizeof (arelent *));
+ relocs = (arelent **) xmalloc (n * sizeof (arelent *));
i = 0;
for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
@@ -897,9 +1003,9 @@ write_relocs (abfd, sec, xxx)
symbol, then use generate the reloc against the latter symbol
rather than the former. */
sym = fixp->fx_addsy;
- while (sym->sy_value.X_op == O_symbol
+ while (symbol_equated_p (sym)
&& (! S_IS_DEFINED (sym) || S_IS_COMMON (sym)))
- sym = sym->sy_value.X_add_symbol;
+ sym = symbol_get_value_expression (sym)->X_add_symbol;
fixp->fx_addsy = sym;
reloc = tc_gen_reloc (sec, fixp);
@@ -912,7 +1018,8 @@ write_relocs (abfd, sec, xxx)
data = fixp->fx_frag->fr_literal + fixp->fx_where;
if (fixp->fx_where + fixp->fx_size
> fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
- abort ();
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("internal error: fixup not contained within frag"));
for (j = 0; reloc[j]; j++)
{
s = bfd_install_relocation (stdoutput, reloc[j],
@@ -925,10 +1032,10 @@ write_relocs (abfd, sec, xxx)
break;
case bfd_reloc_overflow:
as_bad_where (fixp->fx_file, fixp->fx_line,
- "relocation overflow");
+ _("relocation overflow"));
break;
default:
- as_fatal ("%s:%u: bad return from bfd_perform_relocation",
+ as_fatal (_("%s:%u: bad return from bfd_install_relocation"),
fixp->fx_file, fixp->fx_line);
}
}
@@ -961,6 +1068,10 @@ write_relocs (abfd, sec, xxx)
(bfd_get_section_flags (abfd, sec)
& (flagword) ~SEC_RELOC));
+#ifdef SET_SECTION_RELOCS
+ SET_SECTION_RELOCS (sec, relocs, n);
+#endif
+
#ifdef DEBUG3
{
int i;
@@ -980,9 +1091,9 @@ write_relocs (abfd, sec, xxx)
static void
write_contents (abfd, sec, xxx)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
- PTR xxx;
+ PTR xxx ATTRIBUTE_UNUSED;
{
segment_info_type *seginfo = seg_info (sec);
unsigned long offset = 0;
@@ -1011,7 +1122,7 @@ write_contents (abfd, sec, xxx)
if (x == false)
{
bfd_perror (stdoutput->filename);
- as_perror ("FATAL: Can't write %s", stdoutput->filename);
+ as_perror (_("FATAL: Can't write %s"), stdoutput->filename);
exit (EXIT_FAILURE);
}
offset += f->fr_fix;
@@ -1035,7 +1146,7 @@ write_contents (abfd, sec, xxx)
if (x == false)
{
bfd_perror (stdoutput->filename);
- as_perror ("FATAL: Can't write %s", stdoutput->filename);
+ as_perror (_("FATAL: Can't write %s"), stdoutput->filename);
exit (EXIT_FAILURE);
}
offset += fill_size;
@@ -1066,7 +1177,7 @@ write_contents (abfd, sec, xxx)
buf, (file_ptr) offset,
(bfd_size_type) n_per_buf * fill_size);
if (x != true)
- as_fatal ("Cannot write to output file.");
+ as_fatal (_("Cannot write to output file."));
offset += n_per_buf * fill_size;
}
}
@@ -1225,8 +1336,8 @@ set_symtab ()
symp = symbol_rootP;
for (i = 0; i < nsyms; i++, symp = symbol_next (symp))
{
- asympp[i] = symp->bsym;
- symp->written = 1;
+ asympp[i] = symbol_get_bfdsym (symp);
+ symbol_mark_written (symp);
}
}
else
@@ -1237,10 +1348,53 @@ set_symtab ()
}
#endif
+/* Finish the subsegments. After every sub-segment, we fake an
+ ".align ...". This conforms to BSD4.2 brane-damage. We then fake
+ ".fill 0" because that is the kind of frag that requires least
+ thought. ".align" frags like to have a following frag since that
+ makes calculating their intended length trivial. */
+
+#ifndef SUB_SEGMENT_ALIGN
+#ifdef BFD_ASSEMBLER
+#define SUB_SEGMENT_ALIGN(SEG) (0)
+#else
+#define SUB_SEGMENT_ALIGN(SEG) (2)
+#endif
+#endif
+
+void
+subsegs_finish ()
+{
+ struct frchain *frchainP;
+
+ for (frchainP = frchain_root; frchainP; frchainP = frchainP->frch_next)
+ {
+ subseg_set (frchainP->frch_seg, frchainP->frch_subseg);
+
+ /* This now gets called even if we had errors. In that case,
+ any alignment is meaningless, and, moreover, will look weird
+ if we are generating a listing. */
+ frag_align (had_errors () ? 0 : SUB_SEGMENT_ALIGN (now_seg),
+ subseg_text_p (now_seg) ? NOP_OPCODE : 0,
+ 0);
+
+ /* frag_align will have left a new frag.
+ Use this last frag for an empty ".fill".
+
+ For this segment ...
+ Create a last frag. Do not leave a "being filled in frag". */
+
+ frag_wane (frag_now);
+ frag_now->fr_fix = 0;
+ know (frag_now->fr_next == NULL);
+ }
+}
+
+/* Write the object file. */
+
void
write_object_file ()
{
- struct frchain *frchainP; /* Track along all frchains. */
#if ! defined (BFD_ASSEMBLER) || ! defined (WORKING_DOT_WORD)
fragS *fragP; /* Track along all frags. */
#endif
@@ -1255,14 +1409,14 @@ write_object_file ()
if (flag_always_generate_output)
{
if (n_warns || n_errs)
- as_warn ("%d error%s, %d warning%s, generating bad object file.\n",
+ as_warn (_("%d error%s, %d warning%s, generating bad object file.\n"),
n_errs, n_errs == 1 ? "" : "s",
n_warns, n_warns == 1 ? "" : "s");
}
else
{
if (n_errs)
- as_fatal ("%d error%s, %d warning%s, no object file generated.\n",
+ as_fatal (_("%d error%s, %d warning%s, no object file generated.\n"),
n_errs, n_errs == 1 ? "" : "s",
n_warns, n_warns == 1 ? "" : "s");
}
@@ -1275,34 +1429,6 @@ write_object_file ()
vms_check_for_main ();
#endif /* OBJ_VMS */
- /* After every sub-segment, we fake an ".align ...". This conforms to
- BSD4.2 brane-damage. We then fake ".fill 0" because that is the kind of
- frag that requires least thought. ".align" frags like to have a
- following frag since that makes calculating their intended length
- trivial.
-
- @@ Is this really necessary?? */
-#ifndef SUB_SEGMENT_ALIGN
-#ifdef BFD_ASSEMBLER
-#define SUB_SEGMENT_ALIGN(SEG) (0)
-#else
-#define SUB_SEGMENT_ALIGN(SEG) (2)
-#endif
-#endif
- for (frchainP = frchain_root; frchainP; frchainP = frchainP->frch_next)
- {
- subseg_set (frchainP->frch_seg, frchainP->frch_subseg);
- frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE);
- /* frag_align will have left a new frag.
- Use this last frag for an empty ".fill".
-
- For this segment ...
- Create a last frag. Do not leave a "being filled in frag". */
- frag_wane (frag_now);
- frag_now->fr_fix = 0;
- know (frag_now->fr_next == NULL);
- }
-
/* From now on, we don't care about sub-segments. Build one frag chain
for each segment. Linked thru fr_next. */
@@ -1396,6 +1522,13 @@ write_object_file ()
for (fragP = text_frag_root; fragP; fragP = fragP->fr_next)
{
+ /* At this point we have linked all the frags into a single
+ chain. However, cvt_frag_to_fill may call md_convert_frag
+ which may call fix_new. We need to ensure that fix_new adds
+ the fixup to the right section. */
+ if (fragP == data_frag_root)
+ subseg_change (SEG_DATA, 0);
+
cvt_frag_to_fill (&headers, SEG_TEXT, fragP);
/* Some assert macros don't work with # directives mixed in. */
@@ -1422,6 +1555,7 @@ write_object_file ()
{
expressionS exp;
+ subseg_change (lie->seg, lie->subseg);
exp.X_op = O_subtract;
exp.X_add_symbol = lie->add;
exp.X_op_symbol = lie->sub;
@@ -1466,6 +1600,7 @@ write_object_file ()
addressT from_addr, to_addr;
int n, m;
+ subseg_change (lie->seg, lie->subseg);
fragP = lie->dispfrag;
/* Find out how many broken_words go here. */
@@ -1492,7 +1627,7 @@ write_object_file ()
/* This is the offset from ??? to table_ptr+0 */
to_addr = table_addr - S_GET_VALUE (lie->sub);
#ifdef BFD_ASSEMBLER
- to_addr -= lie->sub->sy_frag->fr_address;
+ to_addr -= symbol_get_frag (lie->sub)->fr_address;
#endif
md_number_to_chars (lie->word_goes_here, to_addr, 2);
for (untruth = lie->next_broken_word; untruth && untruth->dispfrag == fragP; untruth = untruth->next_broken_word)
@@ -1506,7 +1641,7 @@ write_object_file ()
from_addr = table_addr;
to_addr = S_GET_VALUE (lie->add) + lie->addnum;
#ifdef BFD_ASSEMBLER
- to_addr += lie->add->sy_frag->fr_address;
+ to_addr += symbol_get_frag (lie->add)->fr_address;
#endif
md_create_long_jump (table_ptr, from_addr, to_addr, lie->dispfrag, lie->add);
table_ptr += md_long_jump_size;
@@ -1639,9 +1774,9 @@ write_object_file ()
symbolS *symp;
for (symp = symbol_rootP; symp; symp = symbol_next (symp))
- if (!symp->sy_resolved)
- resolve_symbol_value (symp);
+ resolve_symbol_value (symp, 1);
}
+ resolve_local_symbol_values ();
PROGRESS (1);
@@ -1664,10 +1799,10 @@ write_object_file ()
int punt = 0;
const char *name;
- if (symp->sy_mri_common)
+ if (symbol_mri_common_p (symp))
{
if (S_IS_EXTERNAL (symp))
- as_bad ("%s: global symbols not supported in common sections",
+ as_bad (_("%s: global symbols not supported in common sections"),
S_GET_NAME (symp));
symbol_remove (symp, &symbol_rootP, &symbol_lastP);
continue;
@@ -1680,29 +1815,17 @@ write_object_file ()
/* They only differ if `name' is a fb or dollar local
label name. */
if (name2 != name && ! S_IS_DEFINED (symp))
- as_bad ("local label %s is not defined", name2);
+ as_bad (_("local label %s is not defined"), name2);
}
/* Do it again, because adjust_reloc_syms might introduce
more symbols. They'll probably only be section symbols,
but they'll still need to have the values computed. */
- if (! symp->sy_resolved)
- {
- if (symp->sy_value.X_op == O_constant)
- {
- /* This is the normal case; skip the call. */
- S_SET_VALUE (symp,
- (S_GET_VALUE (symp)
- + symp->sy_frag->fr_address));
- symp->sy_resolved = 1;
- }
- else
- resolve_symbol_value (symp);
- }
+ resolve_symbol_value (symp, 1);
/* Skip symbols which were equated to undefined or common
symbols. */
- if (symp->sy_value.X_op == O_symbol
+ if (symbol_equated_p (symp)
&& (! S_IS_DEFINED (symp) || S_IS_COMMON (symp)))
{
symbol_remove (symp, &symbol_rootP, &symbol_lastP);
@@ -1718,15 +1841,15 @@ write_object_file ()
printf ("symbol `%s'\n\t@%x: value=%d flags=%x seg=%s\n",
S_GET_NAME (symp), symp,
S_GET_VALUE (symp),
- symp->bsym->flags,
- segment_name (symp->bsym->section));
+ symbol_get_bfdsym (symp)->flags,
+ segment_name (S_GET_SEGMENT (symp)));
#endif
#ifdef obj_frob_symbol
obj_frob_symbol (symp, punt);
#endif
#ifdef tc_frob_symbol
- if (! punt || symp->sy_used_in_reloc)
+ if (! punt || symbol_used_in_reloc_p (symp))
tc_frob_symbol (symp, punt);
#endif
@@ -1736,13 +1859,13 @@ write_object_file ()
and symbols that the frob_symbol macros told us to punt,
but we keep such symbols if they are used in relocs. */
if ((! EMIT_SECTION_SYMBOLS
- && (symp->bsym->flags & BSF_SECTION_SYM) != 0)
+ && symbol_section_p (symp))
/* Note that S_IS_EXTERN and S_IS_LOCAL are not always
opposites. Sometimes the former checks flags and the
latter examines the name... */
|| (!S_IS_EXTERN (symp)
&& (S_IS_LOCAL (symp) || punt)
- && ! symp->sy_used_in_reloc))
+ && ! symbol_used_in_reloc_p (symp)))
{
symbol_remove (symp, &symbol_rootP, &symbol_lastP);
/* After symbol_remove, symbol_next(symp) still returns
@@ -1753,16 +1876,16 @@ write_object_file ()
}
/* Make sure we really got a value for the symbol. */
- if (! symp->sy_resolved)
+ if (! symbol_resolved_p (symp))
{
- as_bad ("can't resolve value for symbol \"%s\"",
+ as_bad (_("can't resolve value for symbol \"%s\""),
S_GET_NAME (symp));
- symp->sy_resolved = 1;
+ symbol_mark_resolved (symp);
}
/* Set the value into the BFD symbol. Up til now the value
has only been kept in the gas symbolS struct. */
- symp->bsym->value = S_GET_VALUE (symp);
+ symbol_get_bfdsym (symp)->value = S_GET_VALUE (symp);
}
}
@@ -1819,14 +1942,15 @@ write_object_file ()
* these frag addresses may not be the same as final object-file addresses.
*/
-#ifndef md_relax_frag
#ifdef TC_GENERIC_RELAX_TABLE
+static int is_dnrange PARAMS ((fragS *, fragS *));
+
/* Subroutines of relax_segment. */
static int
is_dnrange (f1, f2)
- struct frag *f1;
- struct frag *f2;
+ fragS *f1;
+ fragS *f2;
{
for (; f1; f1 = f1->fr_next)
if (f1->fr_next == f2)
@@ -1834,8 +1958,109 @@ is_dnrange (f1, f2)
return 0;
}
+/* Relax a fragment by scanning TC_GENERIC_RELAX_TABLE. */
+
+long
+relax_frag (fragP, stretch)
+ fragS *fragP;
+ long stretch;
+{
+ const relax_typeS *this_type;
+ const relax_typeS *start_type;
+ relax_substateT next_state;
+ relax_substateT this_state;
+ long aim, target, growth;
+ symbolS *symbolP = fragP->fr_symbol;
+ long offset = fragP->fr_offset;
+ /* Recompute was_address by undoing "+= stretch" done by relax_segment. */
+ unsigned long was_address = fragP->fr_address - stretch;
+ unsigned long address = fragP->fr_address;
+ const relax_typeS *table = TC_GENERIC_RELAX_TABLE;
+
+ this_state = fragP->fr_subtype;
+ start_type = this_type = table + this_state;
+ target = offset;
+
+ if (symbolP)
+ {
+#ifndef DIFF_EXPR_OK
+#if !defined (MANY_SEGMENTS) && !defined (BFD_ASSEMBLER)
+ know ((S_GET_SEGMENT (symbolP) == SEG_ABSOLUTE)
+ || (S_GET_SEGMENT (symbolP) == SEG_DATA)
+ || (S_GET_SEGMENT (symbolP) == SEG_BSS)
+ || (S_GET_SEGMENT (symbolP) == SEG_TEXT));
+#endif
+ know (symbolP->sy_frag);
+#endif
+ know (!(S_GET_SEGMENT (symbolP) == absolute_section)
+ || symbolP->sy_frag == &zero_address_frag);
+ target += S_GET_VALUE (symbolP) + symbol_get_frag (symbolP)->fr_address;
+
+ /* If frag has yet to be reached on this pass,
+ assume it will move by STRETCH just as we did.
+ If this is not so, it will be because some frag
+ between grows, and that will force another pass.
+
+ Beware zero-length frags.
+
+ There should be a faster way to do this. */
+
+ if (symbol_get_frag (symbolP)->fr_address >= was_address
+ && is_dnrange (fragP, symbol_get_frag (symbolP)))
+ {
+ target += stretch;
+ }
+ }
+
+ aim = target - address - fragP->fr_fix;
+#ifdef TC_PCREL_ADJUST
+ /* Currently only the ns32k family needs this */
+ aim += TC_PCREL_ADJUST(fragP);
+/*#else*/
+ /* This machine doesn't want to use pcrel_adjust.
+ In that case, pcrel_adjust should be zero. */
+/* assert (fragP->fr_targ.ns32k.pcrel_adjust == 0);*/
+#endif
+#ifdef md_prepare_relax_scan /* formerly called M68K_AIM_KLUDGE */
+ md_prepare_relax_scan (fragP, address, aim, this_state, this_type);
+#endif
+
+ if (aim < 0)
+ {
+ /* Look backwards. */
+ for (next_state = this_type->rlx_more; next_state;)
+ if (aim >= this_type->rlx_backward)
+ next_state = 0;
+ else
+ {
+ /* Grow to next state. */
+ this_state = next_state;
+ this_type = table + this_state;
+ next_state = this_type->rlx_more;
+ }
+ }
+ else
+ {
+ /* Look forwards. */
+ for (next_state = this_type->rlx_more; next_state;)
+ if (aim <= this_type->rlx_forward)
+ next_state = 0;
+ else
+ {
+ /* Grow to next state. */
+ this_state = next_state;
+ this_type = table + this_state;
+ next_state = this_type->rlx_more;
+ }
+ }
+
+ growth = this_type->rlx_length - start_type->rlx_length;
+ if (growth != 0)
+ fragP->fr_subtype = this_state;
+ return growth;
+}
+
#endif /* defined (TC_GENERIC_RELAX_TABLE) */
-#endif /* ! defined (md_relax_frag) */
/* Relax_align. Advance location counter to next address that has 'alignment'
lowest order bits all 0s, return size of adjustment made. */
@@ -1888,13 +2113,18 @@ relax_segment (segment_frag_root, segment)
case rs_align:
case rs_align_code:
{
- int offset = relax_align (address, (int) fragP->fr_offset);
+ addressT offset = relax_align (address, (int) fragP->fr_offset);
+
+ if (fragP->fr_subtype != 0 && offset > fragP->fr_subtype)
+ offset = 0;
+
if (offset % fragP->fr_var != 0)
{
- as_bad ("alignment padding (%d bytes) not a multiple of %ld",
- offset, (long) fragP->fr_var);
+ as_bad (_("alignment padding (%lu bytes) not a multiple of %ld"),
+ (unsigned long) offset, (long) fragP->fr_var);
offset -= (offset % fragP->fr_var);
}
+
address += offset;
}
break;
@@ -1914,6 +2144,16 @@ relax_segment (segment_frag_root, segment)
break;
#endif
+ case rs_leb128:
+ /* Initial guess is always 1; doing otherwise can result in
+ stable solutions that are larger than the minimum. */
+ address += fragP->fr_offset = 1;
+ break;
+
+ case rs_cfa:
+ address += eh_frame_estimate_size_before_relax (fragP);
+ break;
+
default:
BAD_CASE (fragP->fr_type);
break;
@@ -1937,11 +2177,9 @@ relax_segment (segment_frag_root, segment)
for (fragP = segment_frag_root; fragP; fragP = fragP->fr_next)
{
long growth = 0;
- unsigned long was_address;
- long offset;
+ addressT was_address;
+ offsetT offset;
symbolS *symbolP;
- long target;
- long after;
was_address = fragP->fr_address;
address = fragP->fr_address += stretch;
@@ -1977,10 +2215,10 @@ relax_segment (segment_frag_root, segment)
if (lie->added)
continue;
- offset = (lie->add->sy_frag->fr_address
+ offset = (symbol_get_frag (lie->add)->fr_address
+ S_GET_VALUE (lie->add)
+ lie->addnum
- - (lie->sub->sy_frag->fr_address
+ - (symbol_get_frag (lie->sub)->fr_address
+ S_GET_VALUE (lie->sub)));
if (offset <= -32768 || offset >= 32767)
{
@@ -1988,7 +2226,7 @@ relax_segment (segment_frag_root, segment)
{
char buf[50];
sprint_value (buf, (addressT) lie->addnum);
- as_warn (".word %s-%s+%s didn't fit",
+ as_warn (_(".word %s-%s+%s didn't fit"),
S_GET_NAME (lie->add),
S_GET_NAME (lie->sub),
buf);
@@ -2002,8 +2240,10 @@ relax_segment (segment_frag_root, segment)
for (untruth = lie->next_broken_word;
untruth && untruth->dispfrag == lie->dispfrag;
untruth = untruth->next_broken_word)
- if ((untruth->add->sy_frag == lie->add->sy_frag)
- && S_GET_VALUE (untruth->add) == S_GET_VALUE (lie->add))
+ if ((symbol_get_frag (untruth->add)
+ == symbol_get_frag (lie->add))
+ && (S_GET_VALUE (untruth->add)
+ == S_GET_VALUE (lie->add)))
{
untruth->added = 2;
untruth->use_jump = lie;
@@ -2017,57 +2257,83 @@ relax_segment (segment_frag_root, segment)
#endif
case rs_align:
case rs_align_code:
- growth = (relax_align ((relax_addressT) (address
- + fragP->fr_fix),
- (int) offset)
- - relax_align ((relax_addressT) (was_address
- + fragP->fr_fix),
- (int) offset));
+ {
+ addressT oldoff, newoff;
+
+ oldoff = relax_align (was_address + fragP->fr_fix,
+ (int) offset);
+ newoff = relax_align (address + fragP->fr_fix,
+ (int) offset);
+
+ if (fragP->fr_subtype != 0)
+ {
+ if (oldoff > fragP->fr_subtype)
+ oldoff = 0;
+ if (newoff > fragP->fr_subtype)
+ newoff = 0;
+ }
+
+ growth = newoff - oldoff;
+ }
break;
case rs_org:
- target = offset;
+ {
+ long target = offset;
+ long after;
- if (symbolP)
- {
+ if (symbolP)
+ {
#if !defined (MANY_SEGMENTS) && !defined (BFD_ASSEMBLER)
- know ((S_GET_SEGMENT (symbolP) == SEG_ABSOLUTE)
- || (S_GET_SEGMENT (symbolP) == SEG_DATA)
- || (S_GET_SEGMENT (symbolP) == SEG_TEXT)
- || S_GET_SEGMENT (symbolP) == SEG_BSS);
- know (symbolP->sy_frag);
- know (!(S_GET_SEGMENT (symbolP) == SEG_ABSOLUTE)
- || (symbolP->sy_frag == &zero_address_frag));
-#endif
- target += S_GET_VALUE (symbolP)
- + symbolP->sy_frag->fr_address;
- } /* if we have a symbol */
-
- know (fragP->fr_next);
- after = fragP->fr_next->fr_address;
- growth = target - after;
- if (growth < 0)
- {
- /* Growth may be negative, but variable part of frag
- cannot have fewer than 0 chars. That is, we can't
- .org backwards. */
- as_bad ("attempt to .org backwards ignored");
- growth = 0;
- }
+ know ((S_GET_SEGMENT (symbolP) == SEG_ABSOLUTE)
+ || (S_GET_SEGMENT (symbolP) == SEG_DATA)
+ || (S_GET_SEGMENT (symbolP) == SEG_TEXT)
+ || S_GET_SEGMENT (symbolP) == SEG_BSS);
+ know (symbolP->sy_frag);
+ know (!(S_GET_SEGMENT (symbolP) == SEG_ABSOLUTE)
+ || (symbolP->sy_frag == &zero_address_frag));
+#endif
+ target += (S_GET_VALUE (symbolP)
+ + symbol_get_frag (symbolP)->fr_address);
+ } /* if we have a symbol */
- growth -= stretch; /* This is an absolute growth factor */
- break;
+ know (fragP->fr_next);
+ after = fragP->fr_next->fr_address;
+ growth = target - after;
+ if (growth < 0)
+ {
+ /* Growth may be negative, but variable part of frag
+ cannot have fewer than 0 chars. That is, we can't
+ .org backwards. */
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("attempt to .org backwards ignored"));
+
+ /* We've issued an error message. Change the
+ frag to avoid cascading errors. */
+ fragP->fr_type = rs_align;
+ fragP->fr_subtype = 0;
+ fragP->fr_offset = 0;
+ fragP->fr_fix = after - address;
+ growth = stretch;
+ }
+
+ growth -= stretch; /* This is an absolute growth factor */
+ break;
+ }
case rs_space:
if (symbolP)
{
growth = S_GET_VALUE (symbolP);
- if (symbolP->sy_frag != &zero_address_frag)
- as_bad (".space specifies non-absolute value");
+ if (symbol_get_frag (symbolP) != &zero_address_frag
+ || S_IS_COMMON (symbolP)
+ || ! S_IS_DEFINED (symbolP))
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _(".space specifies non-absolute value"));
fragP->fr_symbol = 0;
if (growth < 0)
{
- as_warn (".space or .fill with negative value, ignored");
+ as_warn (_(".space or .fill with negative value, ignored"));
growth = 0;
}
}
@@ -2081,100 +2347,26 @@ relax_segment (segment_frag_root, segment)
#else
#ifdef TC_GENERIC_RELAX_TABLE
/* The default way to relax a frag is to look through
- md_relax_table. */
- {
- const relax_typeS *this_type;
- const relax_typeS *start_type;
- relax_substateT next_state;
- relax_substateT this_state;
- long aim;
- const relax_typeS *table = TC_GENERIC_RELAX_TABLE;
-
- this_state = fragP->fr_subtype;
- start_type = this_type = table + this_state;
- target = offset;
-
- if (symbolP)
- {
-#ifndef DIFF_EXPR_OK
-#if !defined (MANY_SEGMENTS) && !defined (BFD_ASSEMBLER)
- know ((S_GET_SEGMENT (symbolP) == SEG_ABSOLUTE)
- || (S_GET_SEGMENT (symbolP) == SEG_DATA)
- || (S_GET_SEGMENT (symbolP) == SEG_BSS)
- || (S_GET_SEGMENT (symbolP) == SEG_TEXT));
-#endif
- know (symbolP->sy_frag);
-#endif
- know (!(S_GET_SEGMENT (symbolP) == absolute_section)
- || symbolP->sy_frag == &zero_address_frag);
- target +=
- S_GET_VALUE (symbolP)
- + symbolP->sy_frag->fr_address;
-
- /* If frag has yet to be reached on this pass,
- assume it will move by STRETCH just as we did.
- If this is not so, it will be because some frag
- between grows, and that will force another pass.
-
- Beware zero-length frags.
-
- There should be a faster way to do this. */
-
- if (symbolP->sy_frag->fr_address >= was_address
- && is_dnrange (fragP, symbolP->sy_frag))
- {
- target += stretch;
- }
- }
-
- aim = target - address - fragP->fr_fix;
-#ifdef TC_PCREL_ADJUST
- /* Currently only the ns32k family needs this */
- aim += TC_PCREL_ADJUST(fragP);
-#else
- /* This machine doesn't want to use pcrel_adjust.
- In that case, pcrel_adjust should be zero. */
- assert (fragP->fr_pcrel_adjust == 0);
+ TC_GENERIC_RELAX_TABLE. */
+ growth = relax_frag (fragP, stretch);
+#endif /* TC_GENERIC_RELAX_TABLE */
#endif
+ break;
- if (aim < 0)
- {
- /* Look backwards. */
- for (next_state = this_type->rlx_more; next_state;)
- if (aim >= this_type->rlx_backward)
- next_state = 0;
- else
- {
- /* Grow to next state. */
- this_state = next_state;
- this_type = table + this_state;
- next_state = this_type->rlx_more;
- }
- }
- else
- {
-#ifdef M68K_AIM_KLUDGE
- M68K_AIM_KLUDGE (aim, this_state, this_type);
-#endif
- /* Look forwards. */
- for (next_state = this_type->rlx_more; next_state;)
- if (aim <= this_type->rlx_forward)
- next_state = 0;
- else
- {
- /* Grow to next state. */
- this_state = next_state;
- this_type = table + this_state;
- next_state = this_type->rlx_more;
- }
- }
+ case rs_leb128:
+ {
+ valueT value;
+ int size;
- growth = this_type->rlx_length - start_type->rlx_length;
- if (growth != 0)
- fragP->fr_subtype = this_state;
+ value = resolve_symbol_value (fragP->fr_symbol, 0);
+ size = sizeof_leb128 (value, fragP->fr_subtype);
+ growth = size - fragP->fr_offset;
+ fragP->fr_offset = size;
}
-#endif /* TC_GENERIC_RELAX_TABLE */
-#endif
+ break;
+
+ case rs_cfa:
+ growth = eh_frame_relax_frag (fragP);
break;
default:
@@ -2251,11 +2443,13 @@ fixup_segment (fixP, this_segment_type)
for (; fixP; fixP = fixP->fx_next)
{
+
#ifdef DEBUG5
fprintf (stderr, "\nprocessing fixup:\n");
print_fixup (fixP);
#endif
+
fragP = fixP->fx_frag;
know (fragP);
where = fixP->fx_where;
@@ -2271,12 +2465,13 @@ fixup_segment (fixP, this_segment_type)
plt = fixP->fx_plt;
if (add_symbolP != NULL
- && add_symbolP->sy_mri_common)
+ && symbol_mri_common_p (add_symbolP))
{
know (add_symbolP->sy_value.X_op == O_symbol);
add_number += S_GET_VALUE (add_symbolP);
fixP->fx_offset = add_number;
- add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol;
+ add_symbolP = fixP->fx_addsy =
+ symbol_get_value_expression (add_symbolP)->X_add_symbol;
}
if (add_symbolP)
@@ -2284,7 +2479,7 @@ fixup_segment (fixP, this_segment_type)
if (sub_symbolP)
{
- resolve_symbol_value (sub_symbolP);
+ resolve_symbol_value (sub_symbolP, 1);
if (add_symbolP == NULL || add_symbol_segment == absolute_section)
{
if (add_symbolP != NULL)
@@ -2309,7 +2504,7 @@ fixup_segment (fixP, this_segment_type)
else
bad_sub_reloc:
as_bad_where (fixP->fx_file, fixP->fx_line,
- "Negative of non-absolute symbol %s",
+ _("Negative of non-absolute symbol %s"),
S_GET_NAME (sub_symbolP));
}
else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment
@@ -2323,7 +2518,7 @@ fixup_segment (fixP, this_segment_type)
as the target of a call instruction. */
if (fixP->fx_tcbit)
as_bad_where (fixP->fx_file, fixP->fx_line,
- "callj to difference of 2 symbols");
+ _("callj to difference of 2 symbols"));
#endif /* TC_I960 */
add_number += S_GET_VALUE (add_symbolP) -
S_GET_VALUE (sub_symbolP);
@@ -2389,9 +2584,12 @@ fixup_segment (fixP, this_segment_type)
char buf[50];
sprint_value (buf, fragP->fr_address + where);
as_bad_where (fixP->fx_file, fixP->fx_line,
- "Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %s.",
+ _("Subtraction of two symbols in different sections \"%s\" {%s section} - \"%s\" {%s section} at file address %s."),
+ S_GET_NAME (add_symbolP),
+ segment_name (S_GET_SEGMENT (add_symbolP)),
+ S_GET_NAME (sub_symbolP),
segment_name (S_GET_SEGMENT (sub_symbolP)),
- S_GET_NAME (sub_symbolP), buf);
+ buf);
}
}
}
@@ -2430,7 +2628,8 @@ fixup_segment (fixP, this_segment_type)
}
else
{
- if (add_symbol_segment == absolute_section)
+ if (add_symbol_segment == absolute_section
+ && ! pcrel)
{
#ifdef TC_I960
/* See comment about reloc_callj() above. */
@@ -2463,7 +2662,7 @@ fixup_segment (fixP, this_segment_type)
* relocation.
*/
as_bad_where (fixP->fx_file, fixP->fx_line,
- "can't use COBR format with external label");
+ _("can't use COBR format with external label"));
fixP->fx_addsy = NULL;
fixP->fx_done = 1;
continue;
@@ -2481,11 +2680,17 @@ fixup_segment (fixP, this_segment_type)
else
{
seg_reloc_count++;
+#if !(defined (TC_V850) && defined (OBJ_ELF))
#if !(defined (TC_M68K) && defined (OBJ_ELF))
-#if !defined (TC_I386) || !(defined (OBJ_ELF) || defined (OBJ_COFF))
+#if !(defined (TC_ARM) && defined (OBJ_ELF))
+#if !(defined (TC_I960) && defined (OBJ_ELF))
+#if !defined (TC_I386) || !(defined (OBJ_ELF) || defined (OBJ_COFF)) || defined (TE_PE)
add_number += S_GET_VALUE (add_symbolP);
#endif
#endif
+#endif
+#endif
+#endif
}
}
}
@@ -2500,27 +2705,42 @@ fixup_segment (fixP, this_segment_type)
#else
fixP->fx_addsy = section_symbol (absolute_section);
#endif
- fixP->fx_addsy->sy_used_in_reloc = 1;
+ symbol_mark_used_in_reloc (fixP->fx_addsy);
++seg_reloc_count;
}
}
+ if (!fixP->fx_done)
+ {
+#ifdef MD_APPLY_FIX3
+ md_apply_fix3 (fixP, &add_number, this_segment_type);
+#else
+#ifdef BFD_ASSEMBLER
+ md_apply_fix (fixP, &add_number);
+#else
+ md_apply_fix (fixP, add_number);
+#endif
+#endif
+
+#ifndef TC_HANDLES_FX_DONE
+ /* If the tc-* files haven't been converted, assume it's handling
+ it the old way, where a null fx_addsy means that the fix has
+ been applied completely, and no further work is needed. */
+ if (fixP->fx_addsy == 0 && fixP->fx_pcrel == 0)
+ fixP->fx_done = 1;
+#endif
+ }
+
if (!fixP->fx_bit_fixP && !fixP->fx_no_overflow && size > 0)
{
- valueT mask = 0;
- if (size < sizeof (mask))
+ if ((size_t) size < sizeof (valueT))
{
- /* set all bits to one */
- mask--;
- /* Technically, combining these produces an undefined result
- if size is sizeof (valueT), though I think these two
- half-way operations should both be defined. And the
- compiler should be able to combine them if it's valid on
- the host architecture. */
- mask <<= size * 4;
- mask <<= size * 4;
- if ((add_number & mask) != 0
- && (add_number & mask) != mask)
+ valueT mask;
+
+ mask = 0;
+ mask--; /* set all bits to one */
+ mask <<= size * 8 - (fixP->fx_signed ? 1 : 0);
+ if ((add_number & mask) != 0 && (add_number & mask) != mask)
{
char buf[50], buf2[50];
sprint_value (buf, fragP->fr_address + where);
@@ -2529,7 +2749,7 @@ fixup_segment (fixP, this_segment_type)
else
sprintf (buf2, "%ld", (long) add_number);
as_bad_where (fixP->fx_file, fixP->fx_line,
- "Value of %s too large for field of %d bytes at %s",
+ _("Value of %s too large for field of %d bytes at %s"),
buf2, size, buf);
} /* generic error checking */
}
@@ -2541,34 +2761,15 @@ fixup_segment (fixP, this_segment_type)
&& size == 2
&& add_number > 0x7fff)
as_bad_where (fixP->fx_file, fixP->fx_line,
- "Signed .word overflow; switch may be too large; %ld at 0x%lx",
+ _("Signed .word overflow; switch may be too large; %ld at 0x%lx"),
(long) add_number,
(unsigned long) (fragP->fr_address + where));
#endif
} /* not a bit fix */
- if (!fixP->fx_done)
- {
-#ifdef MD_APPLY_FIX3
- md_apply_fix3 (fixP, &add_number, this_segment_type);
-#else
-#ifdef BFD_ASSEMBLER
- md_apply_fix (fixP, &add_number);
-#else
- md_apply_fix (fixP, add_number);
-#endif
-#endif
-
-#ifndef TC_HANDLES_FX_DONE
- /* If the tc-* files haven't been converted, assume it's handling
- it the old way, where a null fx_addsy means that the fix has
- been applied completely, and no further work is needed. */
- if (fixP->fx_addsy == 0 && fixP->fx_pcrel == 0)
- fixP->fx_done = 1;
-#endif
- }
#ifdef TC_VALIDATE_FIX
- skip: ;
+ skip: ATTRIBUTE_UNUSED_LABEL
+ ;
#endif
#ifdef DEBUG5
fprintf (stderr, "result:\n");
@@ -2588,7 +2789,7 @@ number_to_chars_bigendian (buf, val, n)
valueT val;
int n;
{
- if (n > sizeof (val)|| n <= 0)
+ if ((size_t) n > sizeof (val) || n <= 0)
abort ();
while (n--)
{
@@ -2603,7 +2804,7 @@ number_to_chars_littleendian (buf, val, n)
valueT val;
int n;
{
- if (n > sizeof (val) || n <= 0)
+ if ((size_t) n > sizeof (val) || n <= 0)
abort ();
while (n--)
{
@@ -2616,12 +2817,11 @@ void
write_print_statistics (file)
FILE *file;
{
- fprintf (stderr, "fixups: %d\n", n_fixups);
+ fprintf (file, "fixups: %d\n", n_fixups);
}
/* for debugging */
extern int indent_level;
-extern void print_symbol_value_1 ();
void
print_fixup (fixp)
@@ -2669,6 +2869,9 @@ print_fixup (fixp)
fprintf (stderr, ">");
}
fprintf (stderr, "\n");
+#ifdef TC_FIX_DATA_PRINT
+ TC_FIX_DATA_PRINT (stderr, fixp);
+#endif
}
/* end of write.c */