/* write.c - emit .o file
- Copyright 1986, 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
-/* This thing should be set up to do byteordering correctly. But... */
+/* This thing should be set up to do byte ordering correctly. But... */
#include "as.h"
#include "subsegs.h"
#include "obstack.h"
#include "output-file.h"
#include "dwarf2dbg.h"
-
-#ifndef TC_ADJUST_RELOC_COUNT
-#define TC_ADJUST_RELOC_COUNT(FIX, COUNT)
-#endif
+#include "compress-debug.h"
#ifndef TC_FORCE_RELOCATION
#define TC_FORCE_RELOCATION(FIX) \
(TC_FORCE_RELOCATION (FIX))
#endif
-#ifndef TC_FORCE_RELOCATION_LOCAL
-#define TC_FORCE_RELOCATION_LOCAL(FIX) \
+#define GENERIC_FORCE_RELOCATION_LOCAL(FIX) \
(!(FIX)->fx_pcrel \
- || (FIX)->fx_plt \
|| TC_FORCE_RELOCATION (FIX))
+#ifndef TC_FORCE_RELOCATION_LOCAL
+#define TC_FORCE_RELOCATION_LOCAL GENERIC_FORCE_RELOCATION_LOCAL
#endif
+#define GENERIC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
+ (!SEG_NORMAL (SEG))
#ifndef TC_FORCE_RELOCATION_SUB_SAME
-#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
- (! SEG_NORMAL (SEG))
+#define TC_FORCE_RELOCATION_SUB_SAME GENERIC_FORCE_RELOCATION_SUB_SAME
+#endif
+
+#ifndef md_register_arithmetic
+# define md_register_arithmetic 1
#endif
#ifndef TC_FORCE_RELOCATION_SUB_ABS
-#define TC_FORCE_RELOCATION_SUB_ABS(FIX) 0
+#define TC_FORCE_RELOCATION_SUB_ABS(FIX, SEG) \
+ (!md_register_arithmetic && (SEG) == reg_section)
#endif
#ifndef TC_FORCE_RELOCATION_SUB_LOCAL
#ifdef DIFF_EXPR_OK
-#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX) 0
+#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) \
+ (!md_register_arithmetic && (SEG) == reg_section)
#else
-#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX) 1
+#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1
#endif
#endif
#ifndef TC_VALIDATE_FIX_SUB
#ifdef UNDEFINED_DIFFERENCE_OK
/* The PA needs this for PIC code generation. */
-#define TC_VALIDATE_FIX_SUB(FIX) 1
+#define TC_VALIDATE_FIX_SUB(FIX, SEG) \
+ (md_register_arithmetic || (SEG) != reg_section)
#else
-#ifdef BFD_ASSEMBLER
-#define TC_VALIDATE_FIX_SUB(FIX) \
- ((FIX)->fx_r_type == BFD_RELOC_GPREL32 \
- || (FIX)->fx_r_type == BFD_RELOC_GPREL16)
-#else
-#define TC_VALIDATE_FIX_SUB(FIX) 0
-#endif
+#define TC_VALIDATE_FIX_SUB(FIX, SEG) \
+ ((md_register_arithmetic || (SEG) != reg_section) \
+ && ((FIX)->fx_r_type == BFD_RELOC_GPREL32 \
+ || (FIX)->fx_r_type == BFD_RELOC_GPREL16))
#endif
#endif
#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from (FIX)
#endif
+#ifndef TC_FAKE_LABEL
+#define TC_FAKE_LABEL(NAME) (strcmp ((NAME), FAKE_LABEL_NAME) == 0)
+#endif
+
+/* Positive values of TC_FX_SIZE_SLACK allow a target to define
+ fixups that far past the end of a frag. Having such fixups
+ is of course most most likely a bug in setting fx_size correctly.
+ A negative value disables the fixup check entirely, which is
+ appropriate for something like the Renesas / SuperH SH_COUNT
+ reloc. */
+#ifndef TC_FX_SIZE_SLACK
+#define TC_FX_SIZE_SLACK(FIX) 0
+#endif
+
/* Used to control final evaluation of expressions. */
int finalize_syms = 0;
/* Remember the value of dot when parsing expressions. */
addressT dot_value;
-void print_fixup (fixS *);
+/* The frag that dot_value is based from. */
+fragS *dot_frag;
+
+/* Relocs generated by ".reloc" pseudo. */
+struct reloc_list* reloc_list;
-#ifdef BFD_ASSEMBLER
-static void renumber_sections (bfd *, asection *, PTR);
+void print_fixup (fixS *);
/* We generally attach relocs to frag chains. However, after we have
chained these all together into a segment, any relocs we add after
that must be attached to a segment. This will include relocs added
in md_estimate_size_for_relax, for example. */
static int frags_chained = 0;
-#endif
-
-#ifndef BFD_ASSEMBLER
-
-#ifndef MANY_SEGMENTS
-struct frag *text_frag_root;
-struct frag *data_frag_root;
-struct frag *bss_frag_root;
-
-struct frag *text_last_frag; /* Last frag in segment. */
-struct frag *data_last_frag; /* Last frag in segment. */
-static struct frag *bss_last_frag; /* Last frag in segment. */
-#endif
-
-#ifndef BFD
-static object_headers headers;
-#endif
-
-long string_byte_count;
-char *next_object_file_charP; /* Tracks object file bytes. */
-
-#ifndef OBJ_VMS
-int magic_number_for_object_file = DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE;
-#endif
-
-#endif /* BFD_ASSEMBLER */
static int n_fixups;
-#ifdef BFD_ASSEMBLER
#define RELOC_ENUM enum bfd_reloc_code_real
-#else
-#define RELOC_ENUM int
-#endif
-
-static fixS *fix_new_internal (fragS *, int where, int size,
- symbolS *add, symbolS *sub,
- offsetT offset, int pcrel,
- RELOC_ENUM r_type);
-#if defined (BFD_ASSEMBLER) || (!defined (BFD) && !defined (OBJ_VMS))
-static long fixup_segment (fixS *, segT);
-#endif
-static relax_addressT relax_align (relax_addressT addr, int align);
-#if defined (BFD_ASSEMBLER) || ! defined (BFD)
-static fragS *chain_frchains_together_1 (segT, struct frchain *);
-#endif
-#ifdef BFD_ASSEMBLER
-static void chain_frchains_together (bfd *, segT, PTR);
-static void cvt_frag_to_fill (segT, fragS *);
-static void adjust_reloc_syms (bfd *, asection *, PTR);
-static void fix_segment (bfd *, asection *, PTR);
-static void write_relocs (bfd *, asection *, PTR);
-static void write_contents (bfd *, asection *, PTR);
-static void set_symtab (void);
-#endif
-#if defined (BFD_ASSEMBLER) || (! defined (BFD) && ! defined (OBJ_AOUT))
-static void merge_data_into_text (void);
-#endif
-#if ! defined (BFD_ASSEMBLER) && ! defined (BFD)
-static void cvt_frag_to_fill (object_headers *, segT, fragS *);
-static void remove_subsegs (frchainS *, int, fragS **, fragS **);
-static void relax_and_size_all_segments (void);
-#endif
/* Create a fixS in obstack 'notes'. */
static fixS *
fix_new_internal (fragS *frag, /* Which frag? */
- int where, /* Where in that frag? */
- int size, /* 1, 2, or 4 usually. */
+ unsigned long where, /* Where in that frag? */
+ unsigned long size, /* 1, 2, or 4 usually. */
symbolS *add_symbol, /* X_add_symbol. */
symbolS *sub_symbol, /* X_op_symbol. */
offsetT offset, /* X_add_number. */
int pcrel, /* TRUE if PC-relative relocation. */
- RELOC_ENUM r_type ATTRIBUTE_UNUSED /* Relocation type. */)
+ RELOC_ENUM r_type /* Relocation type. */,
+ int at_beginning) /* Add to the start of the list? */
{
fixS *fixP;
/* 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 %lu"), size);
abort ();
}
fixP->fx_addsy = add_symbol;
fixP->fx_subsy = sub_symbol;
fixP->fx_offset = offset;
fixP->fx_dot_value = dot_value;
+ fixP->fx_dot_frag = dot_frag;
fixP->fx_pcrel = pcrel;
- fixP->fx_plt = 0;
-#if defined(NEED_FX_R_TYPE) || defined (BFD_ASSEMBLER)
fixP->fx_r_type = r_type;
-#endif
- fixP->fx_im_disp = 0;
fixP->fx_pcrel_adjust = 0;
- fixP->fx_bit_fixP = 0;
fixP->fx_addnumber = 0;
fixP->fx_tcbit = 0;
+ fixP->fx_tcbit2 = 0;
fixP->fx_done = 0;
fixP->fx_no_overflow = 0;
fixP->fx_signed = 0;
TC_INIT_FIX_DATA (fixP);
#endif
- as_where (&fixP->fx_file, &fixP->fx_line);
+ fixP->fx_file = as_where (&fixP->fx_line);
- /* Usually, we want relocs sorted numerically, but while
- comparing to older versions of gas that have relocs
- reverse sorted, it is convenient to have this compile
- time option. xoxorich. */
{
-#ifdef BFD_ASSEMBLER
fixS **seg_fix_rootP = (frags_chained
? &seg_info (now_seg)->fix_root
: &frchain_now->fix_root);
fixS **seg_fix_tailP = (frags_chained
? &seg_info (now_seg)->fix_tail
: &frchain_now->fix_tail);
-#endif
-
-#ifdef REVERSE_SORT_RELOCS
-
- fixP->fx_next = *seg_fix_rootP;
- *seg_fix_rootP = fixP;
-
-#else /* REVERSE_SORT_RELOCS */
-
- fixP->fx_next = NULL;
- if (*seg_fix_tailP)
- (*seg_fix_tailP)->fx_next = fixP;
+ if (at_beginning)
+ {
+ fixP->fx_next = *seg_fix_rootP;
+ *seg_fix_rootP = fixP;
+ if (fixP->fx_next == NULL)
+ *seg_fix_tailP = fixP;
+ }
else
- *seg_fix_rootP = fixP;
- *seg_fix_tailP = fixP;
-
-#endif /* REVERSE_SORT_RELOCS */
+ {
+ fixP->fx_next = NULL;
+ if (*seg_fix_tailP)
+ (*seg_fix_tailP)->fx_next = fixP;
+ else
+ *seg_fix_rootP = fixP;
+ *seg_fix_tailP = fixP;
+ }
}
return fixP;
/* Create a fixup relative to a symbol (plus a constant). */
fixS *
-fix_new (fragS *frag, /* Which frag? */
- int where, /* Where in that frag? */
- int size, /* 1, 2, or 4 usually. */
- symbolS *add_symbol, /* X_add_symbol. */
+fix_new (fragS *frag, /* Which frag? */
+ unsigned long where, /* Where in that frag? */
+ unsigned long size, /* 1, 2, or 4 usually. */
+ symbolS *add_symbol, /* X_add_symbol. */
offsetT offset, /* X_add_number. */
int pcrel, /* TRUE if PC-relative relocation. */
RELOC_ENUM r_type /* Relocation type. */)
{
return fix_new_internal (frag, where, size, add_symbol,
- (symbolS *) NULL, offset, pcrel, r_type);
+ (symbolS *) NULL, offset, pcrel, r_type, FALSE);
}
/* Create a fixup for an expression. Currently we only support fixups
fixS *
fix_new_exp (fragS *frag, /* Which frag? */
- int where, /* Where in that frag? */
- int size, /* 1, 2, or 4 usually. */
+ unsigned long where, /* Where in that frag? */
+ unsigned long size, /* 1, 2, or 4 usually. */
expressionS *exp, /* Expression. */
int pcrel, /* TRUE if PC-relative relocation. */
RELOC_ENUM r_type /* Relocation type. */)
case O_symbol_rva:
add = exp->X_add_symbol;
off = exp->X_add_number;
-
-#if defined(BFD_ASSEMBLER)
r_type = BFD_RELOC_RVA;
-#else
-#if defined(TC_RVA_RELOC)
- r_type = TC_RVA_RELOC;
-#else
- as_fatal (_("rva not supported"));
-#endif
-#endif
break;
case O_uminus:
break;
}
- return fix_new_internal (frag, where, size, add, sub, off, pcrel, r_type);
+ return fix_new_internal (frag, where, size, add, sub, off, pcrel,
+ r_type, FALSE);
+}
+
+/* Create a fixup at the beginning of FRAG. The arguments are the same
+ as for fix_new, except that WHERE is implicitly 0. */
+
+fixS *
+fix_at_start (fragS *frag, unsigned long size, symbolS *add_symbol,
+ offsetT offset, int pcrel, RELOC_ENUM r_type)
+{
+ return fix_new_internal (frag, 0, size, add_symbol,
+ (symbolS *) NULL, offset, pcrel, r_type, TRUE);
}
/* Generic function to determine whether a fixup requires a relocation. */
int
generic_force_reloc (fixS *fix)
{
-#ifdef BFD_ASSEMBLER
if (fix->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fix->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 1;
-#endif
+
+ if (fix->fx_addsy == NULL)
+ return 0;
+
return S_FORCE_RELOC (fix->fx_addsy, fix->fx_subsy == NULL);
}
*charPP += length;
}
-#ifndef BFD_ASSEMBLER
-int section_alignment[SEG_MAXIMUM_ORDINAL];
-#endif
-
/* This routine records the largest alignment seen for each segment.
If the beginning of the segment is aligned on the worst-case
boundary, all of the other alignments within it will work. At
segT seg,
/* Alignment, as a power of 2 (e.g., 1 => 2-byte
boundary, 2 => 4-byte boundary, etc.) */
- int align)
+ unsigned int align)
{
if (seg == absolute_section)
return;
-#ifdef BFD_ASSEMBLER
- if ((unsigned int) align > bfd_get_section_alignment (stdoutput, seg))
- bfd_set_section_alignment (stdoutput, seg, align);
-#else
- if (align > section_alignment[(int) seg])
- section_alignment[(int) seg] = align;
-#endif
+
+ if (align > bfd_section_alignment (seg))
+ bfd_set_section_alignment (seg, align);
}
int
{
if (seg == absolute_section)
return 0;
-#ifdef BFD_ASSEMBLER
- return bfd_get_section_alignment (stdoutput, seg);
-#else
- return section_alignment[(int) seg];
-#endif
-}
-#ifdef BFD_ASSEMBLER
+ return bfd_section_alignment (seg);
+}
/* Reset the section indices after removing the gas created sections. */
static void
-renumber_sections (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, PTR countparg)
+renumber_sections (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *countparg)
{
int *countp = (int *) countparg;
++*countp;
}
-#endif /* defined (BFD_ASSEMBLER) */
-
-#if defined (BFD_ASSEMBLER) || ! defined (BFD)
-
static fragS *
chain_frchains_together_1 (segT section, struct frchain *frchp)
{
fragS dummy, *prev_frag = &dummy;
-#ifdef BFD_ASSEMBLER
fixS fix_dummy, *prev_fix = &fix_dummy;
-#endif
- for (; frchp && frchp->frch_seg == section; frchp = frchp->frch_next)
+ for (; frchp; frchp = frchp->frch_next)
{
prev_frag->fr_next = frchp->frch_root;
prev_frag = frchp->frch_last;
- assert (prev_frag->fr_type != 0);
-#ifdef BFD_ASSEMBLER
+ gas_assert (prev_frag->fr_type != 0);
if (frchp->fix_root != (fixS *) NULL)
{
if (seg_info (section)->fix_root == (fixS *) NULL)
seg_info (section)->fix_tail = frchp->fix_tail;
prev_fix = frchp->fix_tail;
}
-#endif
}
- assert (prev_frag->fr_type != 0);
+ gas_assert (prev_frag != &dummy
+ && prev_frag->fr_type != 0);
prev_frag->fr_next = 0;
return prev_frag;
}
-#endif
-
-#ifdef BFD_ASSEMBLER
-
static void
chain_frchains_together (bfd *abfd ATTRIBUTE_UNUSED,
segT section,
- PTR xxx ATTRIBUTE_UNUSED)
+ void *xxx ATTRIBUTE_UNUSED)
{
segment_info_type *info;
frags_chained = 1;
}
-#endif
-
-#if !defined (BFD) && !defined (BFD_ASSEMBLER)
-
-static void
-remove_subsegs (frchainS *head, int seg, fragS **root, fragS **last)
-{
- *root = head->frch_root;
- *last = chain_frchains_together_1 (seg, head);
-}
-
-#endif /* BFD */
-
-#if defined (BFD_ASSEMBLER) || !defined (BFD)
-
-#ifdef BFD_ASSEMBLER
static void
cvt_frag_to_fill (segT sec ATTRIBUTE_UNUSED, fragS *fragP)
-#else
-static void
-cvt_frag_to_fill (object_headers *headersP, segT sec, fragS *fragP)
-#endif
{
switch (fragP->fr_type)
{
+ case rs_space_nop:
+ goto skip_align;
case rs_align:
case rs_align_code:
case rs_align_test:
#ifdef HANDLE_ALIGN
HANDLE_ALIGN (fragP);
#endif
+skip_align:
know (fragP->fr_next != NULL);
fragP->fr_offset = (fragP->fr_next->fr_address
- fragP->fr_address
if (fragP->fr_offset < 0)
{
as_bad_where (fragP->fr_file, fragP->fr_line,
- _("attempt to .org/.space backwards? (%ld)"),
+ _("attempt to .org/.space/.nops backwards? (%ld)"),
(long) fragP->fr_offset);
fragP->fr_offset = 0;
}
- fragP->fr_type = rs_fill;
+ if (fragP->fr_type == rs_space_nop)
+ fragP->fr_type = rs_fill_nop;
+ else
+ fragP->fr_type = rs_fill;
break;
case rs_fill:
+ case rs_fill_nop:
break;
case rs_leb128:
valueT value = S_GET_VALUE (fragP->fr_symbol);
int size;
+ if (!S_IS_DEFINED (fragP->fr_symbol))
+ {
+ as_bad_where (fragP->fr_file, fragP->fr_line,
+ _("leb128 operand is an undefined symbol: %s"),
+ S_GET_NAME (fragP->fr_symbol));
+ }
+
size = output_leb128 (fragP->fr_literal + fragP->fr_fix, value,
fragP->fr_subtype);
break;
case rs_machine_dependent:
-#ifdef BFD_ASSEMBLER
md_convert_frag (stdoutput, sec, fragP);
-#else
- md_convert_frag (headersP, sec, fragP);
-#endif
- assert (fragP->fr_next == NULL
- || ((offsetT) (fragP->fr_next->fr_address - fragP->fr_address)
- == fragP->fr_fix));
+ gas_assert (fragP->fr_next == NULL
+ || (fragP->fr_next->fr_address - fragP->fr_address
+ == fragP->fr_fix));
/* After md_convert_frag, we make the frag into a ".space 0".
md_convert_frag() should set up any fixSs and constants
#endif
}
-#endif /* defined (BFD_ASSEMBLER) || !defined (BFD) */
-
-#ifdef BFD_ASSEMBLER
-static void relax_seg (bfd *, asection *, PTR);
+struct relax_seg_info
+{
+ int pass;
+ int changed;
+};
static void
-relax_seg (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, PTR xxx)
+relax_seg (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *xxx)
{
segment_info_type *seginfo = seg_info (sec);
+ struct relax_seg_info *info = (struct relax_seg_info *) xxx;
if (seginfo && seginfo->frchainP
- && relax_segment (seginfo->frchainP->frch_root, sec))
- {
- int *result = (int *) xxx;
- *result = 1;
- }
+ && relax_segment (seginfo->frchainP->frch_root, sec, info->pass))
+ info->changed = 1;
}
-static void size_seg (bfd *, asection *, PTR);
-
static void
-size_seg (bfd *abfd, asection *sec, PTR xxx ATTRIBUTE_UNUSED)
+size_seg (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *xxx ATTRIBUTE_UNUSED)
{
flagword flags;
fragS *fragp;
else
size = 0;
- flags = bfd_get_section_flags (abfd, sec);
+ flags = bfd_section_flags (sec);
+ if (size == 0 && bfd_section_size (sec) != 0 &&
+ (flags & SEC_HAS_CONTENTS) != 0)
+ return;
if (size > 0 && ! seginfo->bss)
flags |= SEC_HAS_CONTENTS;
- /* @@ This is just an approximation. */
- if (seginfo && seginfo->fix_root)
- flags |= SEC_RELOC;
- else
- flags &= ~SEC_RELOC;
- x = bfd_set_section_flags (abfd, sec, flags);
- assert (x);
+ flags &= ~SEC_RELOC;
+ x = bfd_set_section_flags (sec, flags);
+ gas_assert (x);
- newsize = md_section_align (sec, size);
- x = bfd_set_section_size (abfd, sec, newsize);
- assert (x);
+ /* If permitted, allow the backend to pad out the section
+ to some alignment boundary. */
+ if (do_not_pad_sections_to_alignment)
+ newsize = size;
+ else
+ newsize = md_section_align (sec, size);
+ x = bfd_set_section_size (sec, newsize);
+ gas_assert (x);
/* If the size had to be rounded up, add some padding in the last
non-empty frag. */
- assert (newsize >= size);
+ gas_assert (newsize >= size);
if (size != newsize)
{
fragS *last = seginfo->frchainP->frch_last;
#ifdef DEBUG2
static void
-dump_section_relocs (abfd, sec, stream_)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec;
- char *stream_;
+dump_section_relocs (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, FILE *stream)
{
- FILE *stream = (FILE *) stream_;
segment_info_type *seginfo = seg_info (sec);
fixS *fixp = seginfo->fix_root;
#define EMIT_SECTION_SYMBOLS 1
#endif
+/* Resolve U.A.OFFSET_SYM and U.A.SYM fields of RELOC_LIST entries,
+ and check for validity. Convert RELOC_LIST from using U.A fields
+ to U.B fields. */
+static void
+resolve_reloc_expr_symbols (void)
+{
+ bfd_vma addr_mask = 1;
+ struct reloc_list *r;
+
+ /* Avoid a shift by the width of type. */
+ addr_mask <<= bfd_arch_bits_per_address (stdoutput) - 1;
+ addr_mask <<= 1;
+ addr_mask -= 1;
+
+ for (r = reloc_list; r; r = r->next)
+ {
+ reloc_howto_type *howto = r->u.a.howto;
+ expressionS *symval;
+ symbolS *sym;
+ bfd_vma offset, addend;
+ asection *sec;
+
+ resolve_symbol_value (r->u.a.offset_sym);
+ symval = symbol_get_value_expression (r->u.a.offset_sym);
+
+ offset = 0;
+ sym = NULL;
+ if (symval->X_op == O_constant)
+ sym = r->u.a.offset_sym;
+ else if (symval->X_op == O_symbol)
+ {
+ sym = symval->X_add_symbol;
+ offset = symval->X_add_number;
+ symval = symbol_get_value_expression (symval->X_add_symbol);
+ }
+ if (sym == NULL
+ || symval->X_op != O_constant
+ || (sec = S_GET_SEGMENT (sym)) == NULL
+ || !SEG_NORMAL (sec))
+ {
+ as_bad_where (r->file, r->line, _("invalid offset expression"));
+ sec = NULL;
+ }
+ else
+ offset += S_GET_VALUE (sym);
+
+ sym = NULL;
+ addend = r->u.a.addend;
+ if (r->u.a.sym != NULL)
+ {
+ resolve_symbol_value (r->u.a.sym);
+ symval = symbol_get_value_expression (r->u.a.sym);
+ if (symval->X_op == O_constant)
+ sym = r->u.a.sym;
+ else if (symval->X_op == O_symbol)
+ {
+ sym = symval->X_add_symbol;
+ addend += symval->X_add_number;
+ symval = symbol_get_value_expression (symval->X_add_symbol);
+ }
+ if (symval->X_op != O_constant)
+ {
+ as_bad_where (r->file, r->line, _("invalid reloc expression"));
+ sec = NULL;
+ }
+ else if (sym != NULL && sec != NULL)
+ {
+ /* Convert relocs against local symbols to refer to the
+ corresponding section symbol plus offset instead. Keep
+ PC-relative relocs of the REL variety intact though to
+ prevent the offset from overflowing the relocated field,
+ unless it has enough bits to cover the whole address
+ space. */
+ if (S_IS_LOCAL (sym) && !symbol_section_p (sym)
+ && (sec->use_rela_p
+ || (howto->partial_inplace
+ && (!howto->pc_relative
+ || howto->src_mask == addr_mask))))
+ {
+ asection *symsec = S_GET_SEGMENT (sym);
+ if (!(((symsec->flags & SEC_MERGE) != 0
+ && addend != 0)
+ || (symsec->flags & SEC_THREAD_LOCAL) != 0))
+ {
+ addend += S_GET_VALUE (sym);
+ sym = section_symbol (symsec);
+ }
+ }
+ symbol_mark_used_in_reloc (sym);
+ }
+ }
+ if (sym == NULL)
+ {
+ if (abs_section_sym == NULL)
+ abs_section_sym = section_symbol (absolute_section);
+ sym = abs_section_sym;
+ }
+
+ r->u.b.sec = sec;
+ r->u.b.s = symbol_get_bfdsym (sym);
+ r->u.b.r.sym_ptr_ptr = &r->u.b.s;
+ r->u.b.r.address = offset;
+ r->u.b.r.addend = addend;
+ r->u.b.r.howto = howto;
+ }
+}
+
/* This pass over fixups decides whether symbols can be replaced with
section symbols. */
static void
adjust_reloc_syms (bfd *abfd ATTRIBUTE_UNUSED,
asection *sec,
- PTR xxx ATTRIBUTE_UNUSED)
+ void *xxx ATTRIBUTE_UNUSED)
{
segment_info_type *seginfo = seg_info (sec);
fixS *fixp;
if (fixp->fx_subsy != NULL)
resolve_symbol_value (fixp->fx_subsy);
- /* If this symbol is equated to an undefined symbol, convert
- the fixup to being against that symbol. */
- if (symbol_equated_reloc_p (sym))
+ /* If this symbol is equated to an undefined or common symbol,
+ convert the fixup to being against that symbol. */
+ while (symbol_equated_reloc_p (sym)
+ || S_IS_WEAKREFR (sym))
{
+ symbolS *newsym = symbol_get_value_expression (sym)->X_add_symbol;
+ if (sym == newsym)
+ break;
fixp->fx_offset += symbol_get_value_expression (sym)->X_add_number;
- sym = symbol_get_value_expression (sym)->X_add_symbol;
- fixp->fx_addsy = sym;
+ fixp->fx_addsy = newsym;
+ sym = newsym;
}
if (symbol_mri_common_p (sym))
{
- /* These symbols are handled specially in fixup_segment. */
+ fixp->fx_offset += S_GET_VALUE (sym);
+ fixp->fx_addsy = symbol_get_value_expression (sym)->X_add_symbol;
continue;
}
if (symsec == NULL)
abort ();
- if (bfd_is_abs_section (symsec))
+ if (bfd_is_abs_section (symsec)
+ || symsec == reg_section)
{
/* The fixup_segment routine normally will not use this
- symbol in a relocation. */
+ symbol in a relocation. */
continue;
}
/* 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. */
+ 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))
{
if ((symsec->flags & SEC_LINK_ONCE) != 0
dump_section_relocs (abfd, sec, stderr);
}
-static void
-fix_segment (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- PTR xxx ATTRIBUTE_UNUSED)
-{
- segment_info_type *seginfo = seg_info (sec);
+/* fixup_segment()
- fixup_segment (seginfo->fix_root, sec);
-}
+ Go through all the fixS's in a segment and see which ones can be
+ handled now. (These consist of fixS where we have since discovered
+ the value of a symbol, or the address of the frag involved.)
+ For each one, call md_apply_fix to put the fix into the frag data.
+ Ones that we couldn't completely handle here will be output later
+ by emit_relocations. */
static void
-write_relocs (bfd *abfd, asection *sec, PTR xxx ATTRIBUTE_UNUSED)
+fixup_segment (fixS *fixP, segT this_segment)
{
- segment_info_type *seginfo = seg_info (sec);
- unsigned int i;
- unsigned int n;
- arelent **relocs;
- fixS *fixp;
- char *err;
-
- /* If seginfo is NULL, we did not create this section; don't do
- anything with it. */
- if (seginfo == NULL)
- return;
+ valueT add_number;
+ fragS *fragP;
+ segT add_symbol_segment = absolute_section;
- n = 0;
- for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
- n++;
+ if (fixP != NULL && abs_section_sym == NULL)
+ abs_section_sym = section_symbol (absolute_section);
-#ifndef RELOC_EXPANSION_POSSIBLE
- /* Set up reloc information as well. */
- relocs = (arelent **) xcalloc (n, sizeof (arelent *));
+ /* If the linker is doing the relaxing, we must not do any fixups.
- i = 0;
- for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
+ Well, strictly speaking that's not true -- we could do any that
+ are PC-relative and don't cross regions that could change size. */
+ if (linkrelax && TC_LINKRELAX_FIXUP (this_segment))
{
- arelent *reloc;
- bfd_reloc_status_type s;
- symbolS *sym;
-
- if (fixp->fx_done)
- {
- n--;
- continue;
- }
-
- /* If this is an undefined symbol which was equated to another
- symbol, then generate the reloc against the latter symbol
- rather than the former. */
- sym = fixp->fx_addsy;
- while (symbol_equated_reloc_p (sym))
- {
- 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);
- if (!reloc)
- {
- n--;
- continue;
- }
-
-#if 0
- /* This test is triggered inappropriately for the SH. */
- if (fixp->fx_where + fixp->fx_size
- > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
- abort ();
-#endif
-
- s = bfd_install_relocation (stdoutput, reloc,
- fixp->fx_frag->fr_literal,
- fixp->fx_frag->fr_address,
- sec, &err);
- switch (s)
- {
- case bfd_reloc_ok:
- break;
- case bfd_reloc_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_install_relocation: %x"),
- fixp->fx_file, fixp->fx_line, s);
- }
- relocs[i++] = reloc;
+ for (; fixP; fixP = fixP->fx_next)
+ if (!fixP->fx_done)
+ {
+ if (fixP->fx_addsy == NULL)
+ {
+ /* There was no symbol required by this relocation.
+ However, BFD doesn't really handle relocations
+ without symbols well. So fake up a local symbol in
+ the absolute section. */
+ fixP->fx_addsy = abs_section_sym;
+ }
+ symbol_mark_used_in_reloc (fixP->fx_addsy);
+ if (fixP->fx_subsy != NULL)
+ symbol_mark_used_in_reloc (fixP->fx_subsy);
+ }
+ return;
}
-#else
- n = n * MAX_RELOC_EXPANSION;
- /* Set up reloc information as well. */
- relocs = (arelent **) xcalloc (n, sizeof (arelent *));
- i = 0;
- for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
+ for (; fixP; fixP = fixP->fx_next)
{
- arelent **reloc;
- bfd_reloc_status_type s;
- symbolS *sym;
- int j;
-
- if (fixp->fx_done)
- {
- n--;
- continue;
- }
+#ifdef DEBUG5
+ fprintf (stderr, "\nprocessing fixup:\n");
+ print_fixup (fixP);
+#endif
- /* If this is an undefined symbol which was equated to another
- symbol, then generate the reloc against the latter symbol
- rather than the former. */
- sym = fixp->fx_addsy;
- while (symbol_equated_reloc_p (sym))
- {
- 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;
+ fragP = fixP->fx_frag;
+ know (fragP);
+#ifdef TC_VALIDATE_FIX
+ TC_VALIDATE_FIX (fixP, this_segment, skip);
+#endif
+ add_number = fixP->fx_offset;
- reloc = tc_gen_reloc (sec, fixp);
+ if (fixP->fx_addsy != NULL)
+ add_symbol_segment = S_GET_SEGMENT (fixP->fx_addsy);
- for (j = 0; reloc[j]; j++)
- {
- relocs[i++] = reloc[j];
- assert (i <= n);
- }
- if (fixp->fx_where + fixp->fx_size
- > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
- as_bad_where (fixp->fx_file, fixp->fx_line,
- _("internal error: fixup not contained within frag"));
- for (j = 0; reloc[j]; j++)
+ if (fixP->fx_subsy != NULL)
{
- s = bfd_install_relocation (stdoutput, reloc[j],
- fixp->fx_frag->fr_literal,
- fixp->fx_frag->fr_address,
- sec, &err);
- switch (s)
+ segT sub_symbol_segment;
+ resolve_symbol_value (fixP->fx_subsy);
+ sub_symbol_segment = S_GET_SEGMENT (fixP->fx_subsy);
+ if (fixP->fx_addsy != NULL
+ && sub_symbol_segment == add_symbol_segment
+ && !S_FORCE_RELOC (fixP->fx_addsy, 0)
+ && !S_FORCE_RELOC (fixP->fx_subsy, 0)
+ && !TC_FORCE_RELOCATION_SUB_SAME (fixP, add_symbol_segment))
{
- case bfd_reloc_ok:
- break;
- case bfd_reloc_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_install_relocation: %x"),
- fixp->fx_file, fixp->fx_line, s);
+ add_number += S_GET_VALUE (fixP->fx_addsy);
+ add_number -= S_GET_VALUE (fixP->fx_subsy);
+ fixP->fx_offset = add_number;
+ fixP->fx_addsy = NULL;
+ fixP->fx_subsy = NULL;
+#ifdef TC_M68K
+ /* See the comment below about 68k weirdness. */
+ fixP->fx_pcrel = 0;
+#endif
}
+ else if (sub_symbol_segment == absolute_section
+ && !S_FORCE_RELOC (fixP->fx_subsy, 0)
+ && !TC_FORCE_RELOCATION_SUB_ABS (fixP, add_symbol_segment))
+ {
+ add_number -= S_GET_VALUE (fixP->fx_subsy);
+ fixP->fx_offset = add_number;
+ fixP->fx_subsy = NULL;
+ }
+ else if (sub_symbol_segment == this_segment
+ && !S_FORCE_RELOC (fixP->fx_subsy, 0)
+ && !TC_FORCE_RELOCATION_SUB_LOCAL (fixP, add_symbol_segment))
+ {
+ add_number -= S_GET_VALUE (fixP->fx_subsy);
+ fixP->fx_offset = (add_number + fixP->fx_dot_value
+ + fixP->fx_dot_frag->fr_address);
+
+ /* Make it pc-relative. If the back-end code has not
+ selected a pc-relative reloc, cancel the adjustment
+ we do later on all pc-relative relocs. */
+ if (0
+#ifdef TC_M68K
+ /* Do this for m68k even if it's already described
+ as pc-relative. On the m68k, an operand of
+ "pc@(foo-.-2)" should address "foo" in a
+ pc-relative mode. */
+ || 1
+#endif
+ || !fixP->fx_pcrel)
+ add_number += MD_PCREL_FROM_SECTION (fixP, this_segment);
+ fixP->fx_subsy = NULL;
+ fixP->fx_pcrel = 1;
+ }
+ else if (!TC_VALIDATE_FIX_SUB (fixP, add_symbol_segment))
+ {
+ if (!md_register_arithmetic
+ && (add_symbol_segment == reg_section
+ || sub_symbol_segment == reg_section))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("register value used as expression"));
+ else
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("can't resolve `%s' {%s section} - `%s' {%s section}"),
+ fixP->fx_addsy ? S_GET_NAME (fixP->fx_addsy) : "0",
+ segment_name (add_symbol_segment),
+ S_GET_NAME (fixP->fx_subsy),
+ segment_name (sub_symbol_segment));
+ }
+ else if (sub_symbol_segment != undefined_section
+ && ! bfd_is_com_section (sub_symbol_segment)
+ && MD_APPLY_SYM_VALUE (fixP))
+ add_number -= S_GET_VALUE (fixP->fx_subsy);
}
+
+ if (fixP->fx_addsy)
+ {
+ if (add_symbol_segment == this_segment
+ && !S_FORCE_RELOC (fixP->fx_addsy, 0)
+ && !TC_FORCE_RELOCATION_LOCAL (fixP))
+ {
+ /* This fixup was made when the symbol's segment was
+ SEG_UNKNOWN, but it is now in the local segment.
+ So we know how to do the address without relocation. */
+ add_number += S_GET_VALUE (fixP->fx_addsy);
+ fixP->fx_offset = add_number;
+ if (fixP->fx_pcrel)
+ add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
+ fixP->fx_addsy = NULL;
+ fixP->fx_pcrel = 0;
+ }
+ else if (add_symbol_segment == absolute_section
+ && !S_FORCE_RELOC (fixP->fx_addsy, 0)
+ && !TC_FORCE_RELOCATION_ABS (fixP))
+ {
+ add_number += S_GET_VALUE (fixP->fx_addsy);
+ fixP->fx_offset = add_number;
+ fixP->fx_addsy = NULL;
+ }
+ else if (add_symbol_segment != undefined_section
+ && ! bfd_is_com_section (add_symbol_segment)
+ && MD_APPLY_SYM_VALUE (fixP))
+ add_number += S_GET_VALUE (fixP->fx_addsy);
+ }
+
+ if (fixP->fx_pcrel)
+ {
+ add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
+ if (!fixP->fx_done && fixP->fx_addsy == NULL)
+ {
+ /* There was no symbol required by this relocation.
+ However, BFD doesn't really handle relocations
+ without symbols well. So fake up a local symbol in
+ the absolute section. */
+ fixP->fx_addsy = abs_section_sym;
+ }
+ }
+
+ if (!fixP->fx_done)
+ md_apply_fix (fixP, &add_number, this_segment);
+
+ if (!fixP->fx_done)
+ {
+ if (fixP->fx_addsy == NULL)
+ fixP->fx_addsy = abs_section_sym;
+ symbol_mark_used_in_reloc (fixP->fx_addsy);
+ if (fixP->fx_subsy != NULL)
+ symbol_mark_used_in_reloc (fixP->fx_subsy);
+ }
+
+ if (!fixP->fx_no_overflow && fixP->fx_size != 0)
+ {
+ if (fixP->fx_size < sizeof (valueT))
+ {
+ valueT mask;
+
+ mask = 0;
+ mask--; /* Set all bits to one. */
+ mask <<= fixP->fx_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 + fixP->fx_where);
+ if (add_number > 1000)
+ sprint_value (buf2, add_number);
+ else
+ sprintf (buf2, "%ld", (long) add_number);
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ ngettext ("value of %s too large for field "
+ "of %d byte at %s",
+ "value of %s too large for field "
+ "of %d bytes at %s",
+ fixP->fx_size),
+ buf2, fixP->fx_size, buf);
+ } /* Generic error checking. */
+ }
+#ifdef WARN_SIGNED_OVERFLOW_WORD
+ /* Warn if a .word value is too large when treated as a signed
+ number. We already know it is not too negative. This is to
+ catch over-large switches generated by gcc on the 68k. */
+ if (!flag_signed_overflow_ok
+ && fixP->fx_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"),
+ (long) add_number,
+ (long) (fragP->fr_address + fixP->fx_where));
+#endif
+ }
+
+#ifdef TC_VALIDATE_FIX
+ skip: ATTRIBUTE_UNUSED_LABEL
+ ;
+#endif
+#ifdef DEBUG5
+ fprintf (stderr, "result:\n");
+ print_fixup (fixP);
+#endif
+ } /* For each fixS in this segment. */
+}
+
+static void
+fix_segment (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec,
+ void *xxx ATTRIBUTE_UNUSED)
+{
+ segment_info_type *seginfo = seg_info (sec);
+
+ fixup_segment (seginfo->fix_root, sec);
+}
+
+static void
+install_reloc (asection *sec, arelent *reloc, fragS *fragp,
+ const char *file, unsigned int line)
+{
+ char *err;
+ bfd_reloc_status_type s;
+ asymbol *sym;
+
+ if (reloc->sym_ptr_ptr != NULL
+ && (sym = *reloc->sym_ptr_ptr) != NULL
+ && (sym->flags & BSF_KEEP) == 0
+ && ((sym->flags & BSF_SECTION_SYM) == 0
+ || (EMIT_SECTION_SYMBOLS
+ && !bfd_is_abs_section (sym->section))))
+ as_bad_where (file, line, _("redefined symbol cannot be used on reloc"));
+
+ s = bfd_install_relocation (stdoutput, reloc,
+ fragp->fr_literal, fragp->fr_address,
+ sec, &err);
+ switch (s)
+ {
+ case bfd_reloc_ok:
+ break;
+ case bfd_reloc_overflow:
+ as_bad_where (file, line, _("relocation overflow"));
+ break;
+ case bfd_reloc_outofrange:
+ as_bad_where (file, line, _("relocation out of range"));
+ break;
+ default:
+ as_fatal (_("%s:%u: bad return from bfd_install_relocation: %x"),
+ file, line, s);
}
- n = i;
+}
+
+static fragS *
+get_frag_for_reloc (fragS *last_frag,
+ const segment_info_type *seginfo,
+ const struct reloc_list *r)
+{
+ fragS *f;
+
+ for (f = last_frag; f != NULL; f = f->fr_next)
+ if (f->fr_address <= r->u.b.r.address
+ && r->u.b.r.address < f->fr_address + f->fr_fix)
+ return f;
+
+ for (f = seginfo->frchainP->frch_root; f != NULL; f = f->fr_next)
+ if (f->fr_address <= r->u.b.r.address
+ && r->u.b.r.address < f->fr_address + f->fr_fix)
+ return f;
+
+ for (f = seginfo->frchainP->frch_root; f != NULL; f = f->fr_next)
+ if (f->fr_address <= r->u.b.r.address
+ && r->u.b.r.address <= f->fr_address + f->fr_fix)
+ return f;
+
+ as_bad_where (r->file, r->line,
+ _("reloc not within (fixed part of) section"));
+ return NULL;
+}
+
+static void
+write_relocs (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
+ void *xxx ATTRIBUTE_UNUSED)
+{
+ segment_info_type *seginfo = seg_info (sec);
+ unsigned int n;
+ struct reloc_list *my_reloc_list, **rp, *r;
+ arelent **relocs;
+ fixS *fixp;
+ fragS *last_frag;
+
+ /* If seginfo is NULL, we did not create this section; don't do
+ anything with it. */
+ if (seginfo == NULL)
+ return;
+
+ n = 0;
+ for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
+ if (!fixp->fx_done)
+ n++;
+
+#ifdef RELOC_EXPANSION_POSSIBLE
+ n *= MAX_RELOC_EXPANSION;
+#endif
+
+ /* Extract relocs for this section from reloc_list. */
+ rp = &reloc_list;
+
+ my_reloc_list = NULL;
+ while ((r = *rp) != NULL)
+ {
+ if (r->u.b.sec == sec)
+ {
+ *rp = r->next;
+ r->next = my_reloc_list;
+ my_reloc_list = r;
+ n++;
+ }
+ else
+ rp = &r->next;
+ }
+
+ relocs = XCNEWVEC (arelent *, n);
+
+ n = 0;
+ r = my_reloc_list;
+ last_frag = NULL;
+ for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
+ {
+ int fx_size, slack;
+ valueT loc;
+ arelent **reloc;
+#ifndef RELOC_EXPANSION_POSSIBLE
+ arelent *rel;
+
+ reloc = &rel;
+#endif
+
+ if (fixp->fx_done)
+ continue;
+
+ fx_size = fixp->fx_size;
+ slack = TC_FX_SIZE_SLACK (fixp);
+ if (slack > 0)
+ fx_size = fx_size > slack ? fx_size - slack : 0;
+ loc = fixp->fx_where + fx_size;
+ if (slack >= 0 && loc > fixp->fx_frag->fr_fix)
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("internal error: fixup not contained within frag"));
+
+#ifndef RELOC_EXPANSION_POSSIBLE
+ *reloc = tc_gen_reloc (sec, fixp);
+#else
+ reloc = tc_gen_reloc (sec, fixp);
#endif
+ while (*reloc)
+ {
+ while (r != NULL && r->u.b.r.address < (*reloc)->address)
+ {
+ fragS *f = get_frag_for_reloc (last_frag, seginfo, r);
+ if (f != NULL)
+ {
+ last_frag = f;
+ relocs[n++] = &r->u.b.r;
+ install_reloc (sec, &r->u.b.r, f, r->file, r->line);
+ }
+ r = r->next;
+ }
+ relocs[n++] = *reloc;
+ install_reloc (sec, *reloc, fixp->fx_frag,
+ fixp->fx_file, fixp->fx_line);
+#ifndef RELOC_EXPANSION_POSSIBLE
+ break;
+#else
+ reloc++;
+#endif
+ }
+ }
+
+ while (r != NULL)
+ {
+ fragS *f = get_frag_for_reloc (last_frag, seginfo, r);
+ if (f != NULL)
+ {
+ last_frag = f;
+ relocs[n++] = &r->u.b.r;
+ install_reloc (sec, &r->u.b.r, f, r->file, r->line);
+ }
+ r = r->next;
+ }
+
#ifdef DEBUG4
{
- int i, j, nsyms;
+ unsigned int k, j, nsyms;
asymbol **sympp;
sympp = bfd_get_outsymbols (stdoutput);
nsyms = bfd_get_symcount (stdoutput);
- for (i = 0; i < n; i++)
- if (((*relocs[i]->sym_ptr_ptr)->flags & BSF_SECTION_SYM) == 0)
+ for (k = 0; k < n; k++)
+ if (((*relocs[k]->sym_ptr_ptr)->flags & BSF_SECTION_SYM) == 0)
{
for (j = 0; j < nsyms; j++)
- if (sympp[j] == *relocs[i]->sym_ptr_ptr)
+ if (sympp[j] == *relocs[k]->sym_ptr_ptr)
break;
if (j == nsyms)
abort ();
#endif
if (n)
- bfd_set_reloc (stdoutput, sec, relocs, n);
- else
- bfd_set_section_flags (abfd, sec,
- (bfd_get_section_flags (abfd, sec)
- & (flagword) ~SEC_RELOC));
+ {
+ flagword flags = bfd_section_flags (sec);
+ flags |= SEC_RELOC;
+ bfd_set_section_flags (sec, flags);
+ bfd_set_reloc (stdoutput, sec, relocs, n);
+ }
#ifdef SET_SECTION_RELOCS
SET_SECTION_RELOCS (sec, relocs, n);
#ifdef DEBUG3
{
- int i;
- arelent *r;
- asymbol *s;
+ unsigned int k;
+
fprintf (stderr, "relocs for sec %s\n", sec->name);
- for (i = 0; i < n; i++)
+ for (k = 0; k < n; k++)
{
- r = relocs[i];
- s = *r->sym_ptr_ptr;
- fprintf (stderr, " reloc %2d @%08x off %4x : sym %-10s addend %x\n",
- i, r, r->address, s->name, r->addend);
+ arelent *rel = relocs[k];
+ asymbol *s = *rel->sym_ptr_ptr;
+ fprintf (stderr, " reloc %2d @%p off %4lx : sym %-10s addend %lx\n",
+ k, rel, (unsigned long)rel->address, s->name,
+ (unsigned long)rel->addend);
}
}
#endif
}
+static int
+compress_frag (struct z_stream_s *strm, const char *contents, int in_size,
+ fragS **last_newf, struct obstack *ob)
+{
+ int out_size;
+ int total_out_size = 0;
+ fragS *f = *last_newf;
+ char *next_out;
+ int avail_out;
+
+ /* Call the compression routine repeatedly until it has finished
+ processing the frag. */
+ while (in_size > 0)
+ {
+ /* Reserve all the space available in the current chunk.
+ If none is available, start a new frag. */
+ avail_out = obstack_room (ob);
+ if (avail_out <= 0)
+ {
+ obstack_finish (ob);
+ f = frag_alloc (ob);
+ f->fr_type = rs_fill;
+ (*last_newf)->fr_next = f;
+ *last_newf = f;
+ avail_out = obstack_room (ob);
+ }
+ if (avail_out <= 0)
+ as_fatal (_("can't extend frag"));
+ next_out = obstack_next_free (ob);
+ obstack_blank_fast (ob, avail_out);
+ out_size = compress_data (strm, &contents, &in_size,
+ &next_out, &avail_out);
+ if (out_size < 0)
+ return -1;
+
+ f->fr_fix += out_size;
+ total_out_size += out_size;
+
+ /* Return unused space. */
+ if (avail_out > 0)
+ obstack_blank_fast (ob, -avail_out);
+ }
+
+ return total_out_size;
+}
+
+static void
+compress_debug (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
+{
+ segment_info_type *seginfo = seg_info (sec);
+ fragS *f;
+ fragS *first_newf;
+ fragS *last_newf;
+ struct obstack *ob = &seginfo->frchainP->frch_obstack;
+ bfd_size_type uncompressed_size = (bfd_size_type) sec->size;
+ bfd_size_type compressed_size;
+ const char *section_name;
+ char *compressed_name;
+ char *header;
+ struct z_stream_s *strm;
+ int x;
+ flagword flags = bfd_section_flags (sec);
+ unsigned int header_size, compression_header_size;
+
+ if (seginfo == NULL
+ || sec->size < 32
+ || (flags & (SEC_ALLOC | SEC_HAS_CONTENTS)) == SEC_ALLOC)
+ return;
+
+ section_name = bfd_section_name (sec);
+ if (strncmp (section_name, ".debug_", 7) != 0)
+ return;
+
+ strm = compress_init ();
+ if (strm == NULL)
+ return;
+
+ if (flag_compress_debug == COMPRESS_DEBUG_GABI_ZLIB)
+ {
+ compression_header_size
+ = bfd_get_compression_header_size (stdoutput, NULL);
+ header_size = compression_header_size;
+ }
+ else
+ {
+ compression_header_size = 0;
+ header_size = 12;
+ }
+
+ /* Create a new frag to contain the compression header. */
+ first_newf = frag_alloc (ob);
+ if (obstack_room (ob) < header_size)
+ first_newf = frag_alloc (ob);
+ if (obstack_room (ob) < header_size)
+ as_fatal (ngettext ("can't extend frag %lu char",
+ "can't extend frag %lu chars",
+ (unsigned long) header_size),
+ (unsigned long) header_size);
+ last_newf = first_newf;
+ obstack_blank_fast (ob, header_size);
+ last_newf->fr_type = rs_fill;
+ last_newf->fr_fix = header_size;
+ header = last_newf->fr_literal;
+ compressed_size = header_size;
+
+ /* Stream the frags through the compression engine, adding new frags
+ as necessary to accommodate the compressed output. */
+ for (f = seginfo->frchainP->frch_root;
+ f;
+ f = f->fr_next)
+ {
+ offsetT fill_size;
+ char *fill_literal;
+ offsetT count;
+ int out_size;
+
+ gas_assert (f->fr_type == rs_fill);
+ if (f->fr_fix)
+ {
+ out_size = compress_frag (strm, f->fr_literal, f->fr_fix,
+ &last_newf, ob);
+ if (out_size < 0)
+ return;
+ compressed_size += out_size;
+ }
+ fill_literal = f->fr_literal + f->fr_fix;
+ fill_size = f->fr_var;
+ count = f->fr_offset;
+ gas_assert (count >= 0);
+ if (fill_size && count)
+ {
+ while (count--)
+ {
+ out_size = compress_frag (strm, fill_literal, (int) fill_size,
+ &last_newf, ob);
+ if (out_size < 0)
+ return;
+ compressed_size += out_size;
+ }
+ }
+ }
+
+ /* Flush the compression state. */
+ for (;;)
+ {
+ int avail_out;
+ char *next_out;
+ int out_size;
+
+ /* Reserve all the space available in the current chunk.
+ If none is available, start a new frag. */
+ avail_out = obstack_room (ob);
+ if (avail_out <= 0)
+ {
+ fragS *newf;
+
+ obstack_finish (ob);
+ newf = frag_alloc (ob);
+ newf->fr_type = rs_fill;
+ last_newf->fr_next = newf;
+ last_newf = newf;
+ avail_out = obstack_room (ob);
+ }
+ if (avail_out <= 0)
+ as_fatal (_("can't extend frag"));
+ next_out = obstack_next_free (ob);
+ obstack_blank_fast (ob, avail_out);
+ x = compress_finish (strm, &next_out, &avail_out, &out_size);
+ if (x < 0)
+ return;
+
+ last_newf->fr_fix += out_size;
+ compressed_size += out_size;
+
+ /* Return unused space. */
+ if (avail_out > 0)
+ obstack_blank_fast (ob, -avail_out);
+
+ if (x == 0)
+ break;
+ }
+
+ /* PR binutils/18087: If compression didn't make the section smaller,
+ just keep it uncompressed. */
+ if (compressed_size >= uncompressed_size)
+ return;
+
+ /* Replace the uncompressed frag list with the compressed frag list. */
+ seginfo->frchainP->frch_root = first_newf;
+ seginfo->frchainP->frch_last = last_newf;
+
+ /* Update the section size and its name. */
+ bfd_update_compression_header (abfd, (bfd_byte *) header, sec);
+ x = bfd_set_section_size (sec, compressed_size);
+ gas_assert (x);
+ if (!compression_header_size)
+ {
+ compressed_name = concat (".z", section_name + 1, (char *) NULL);
+ bfd_rename_section (sec, compressed_name);
+ }
+}
+
+#ifndef md_generate_nops
+/* Genenerate COUNT bytes of no-op instructions to WHERE. A target
+ backend must override this with proper no-op instructions. */
+
+static void
+md_generate_nops (fragS *f ATTRIBUTE_UNUSED,
+ char *where ATTRIBUTE_UNUSED,
+ offsetT count ATTRIBUTE_UNUSED,
+ int control ATTRIBUTE_UNUSED)
+{
+ as_bad (_("unimplemented .nops directive"));
+}
+#endif
+
static void
write_contents (bfd *abfd ATTRIBUTE_UNUSED,
asection *sec,
- PTR xxx ATTRIBUTE_UNUSED)
+ void *xxx ATTRIBUTE_UNUSED)
{
segment_info_type *seginfo = seg_info (sec);
addressT offset = 0;
/* Write out the frags. */
if (seginfo == NULL
- || !(bfd_get_section_flags (abfd, sec) & SEC_HAS_CONTENTS))
+ || !(bfd_section_flags (sec) & SEC_HAS_CONTENTS))
return;
for (f = seginfo->frchainP->frch_root;
char *fill_literal;
offsetT count;
- assert (f->fr_type == rs_fill);
+ gas_assert (f->fr_type == rs_fill || f->fr_type == rs_fill_nop);
if (f->fr_fix)
{
x = bfd_set_section_contents (stdoutput, sec,
f->fr_literal, (file_ptr) offset,
(bfd_size_type) f->fr_fix);
if (!x)
- {
- bfd_perror (stdoutput->filename);
- as_perror (_("FATAL: Can't write %s"), stdoutput->filename);
- exit (EXIT_FAILURE);
- }
+ as_fatal (ngettext ("can't write %ld byte "
+ "to section %s of %s: '%s'",
+ "can't write %ld bytes "
+ "to section %s of %s: '%s'",
+ (long) f->fr_fix),
+ (long) f->fr_fix,
+ sec->name, stdoutput->filename,
+ bfd_errmsg (bfd_get_error ()));
offset += f->fr_fix;
}
- fill_literal = f->fr_literal + f->fr_fix;
+
fill_size = f->fr_var;
count = f->fr_offset;
- assert (count >= 0);
+ fill_literal = f->fr_literal + f->fr_fix;
+
+ if (f->fr_type == rs_fill_nop)
+ {
+ gas_assert (count >= 0 && fill_size == 1);
+ if (count > 0)
+ {
+ char *buf = xmalloc (count);
+ md_generate_nops (f, buf, count, *fill_literal);
+ x = bfd_set_section_contents
+ (stdoutput, sec, buf, (file_ptr) offset,
+ (bfd_size_type) count);
+ if (!x)
+ as_fatal (ngettext ("can't fill %ld byte "
+ "in section %s of %s: '%s'",
+ "can't fill %ld bytes "
+ "in section %s of %s: '%s'",
+ (long) count), (long) count,
+ sec->name, stdoutput->filename,
+ bfd_errmsg (bfd_get_error ()));
+ offset += count;
+ free (buf);
+ }
+ continue;
+ }
+
+ gas_assert (count >= 0);
if (fill_size && count)
{
char buf[256];
(file_ptr) offset,
(bfd_size_type) fill_size);
if (!x)
- {
- bfd_perror (stdoutput->filename);
- as_perror (_("FATAL: Can't write %s"),
- stdoutput->filename);
- exit (EXIT_FAILURE);
- }
+ as_fatal (ngettext ("can't fill %ld byte "
+ "in section %s of %s: '%s'",
+ "can't fill %ld bytes "
+ "in section %s of %s: '%s'",
+ (long) fill_size),
+ (long) fill_size,
+ sec->name, stdoutput->filename,
+ bfd_errmsg (bfd_get_error ()));
offset += fill_size;
}
}
(stdoutput, sec, buf, (file_ptr) offset,
(bfd_size_type) n_per_buf * fill_size);
if (!x)
- as_fatal (_("cannot write to output file"));
+ as_fatal (ngettext ("can't fill %ld byte "
+ "in section %s of %s: '%s'",
+ "can't fill %ld bytes "
+ "in section %s of %s: '%s'",
+ (long) (n_per_buf * fill_size)),
+ (long) (n_per_buf * fill_size),
+ sec->name, stdoutput->filename,
+ bfd_errmsg (bfd_get_error ()));
offset += n_per_buf * fill_size;
}
}
}
}
}
-#endif
-#if defined(BFD_ASSEMBLER) || (!defined (BFD) && !defined(OBJ_AOUT))
static void
merge_data_into_text (void)
{
-#if defined(BFD_ASSEMBLER) || defined(MANY_SEGMENTS)
seg_info (text_section)->frchainP->frch_last->fr_next =
seg_info (data_section)->frchainP->frch_root;
seg_info (text_section)->frchainP->frch_last =
seg_info (data_section)->frchainP->frch_last;
seg_info (data_section)->frchainP = 0;
-#else
- fixS *tmp;
-
- text_last_frag->fr_next = data_frag_root;
- text_last_frag = data_last_frag;
- data_last_frag = NULL;
- data_frag_root = NULL;
- if (text_fix_root)
- {
- for (tmp = text_fix_root; tmp->fx_next; tmp = tmp->fx_next);;
- tmp->fx_next = data_fix_root;
- text_fix_tail = data_fix_tail;
- }
- else
- text_fix_root = data_fix_root;
- data_fix_root = NULL;
-#endif
-}
-#endif /* BFD_ASSEMBLER || (! BFD && ! OBJ_AOUT) */
-
-#if !defined (BFD_ASSEMBLER) && !defined (BFD)
-static void
-relax_and_size_all_segments ()
-{
- fragS *fragP;
-
- relax_segment (text_frag_root, SEG_TEXT);
- relax_segment (data_frag_root, SEG_DATA);
- relax_segment (bss_frag_root, SEG_BSS);
-
- /* Now the addresses of frags are correct within the segment. */
- know (text_last_frag->fr_type == rs_fill && text_last_frag->fr_offset == 0);
- H_SET_TEXT_SIZE (&headers, text_last_frag->fr_address);
- text_last_frag->fr_address = H_GET_TEXT_SIZE (&headers);
-
- /* Join the 2 segments into 1 huge segment.
- To do this, re-compute every rn_address in the SEG_DATA frags.
- Then join the data frags after the text frags.
-
- Determine a_data [length of data segment]. */
- if (data_frag_root)
- {
- register relax_addressT slide;
-
- know ((text_last_frag->fr_type == rs_fill)
- && (text_last_frag->fr_offset == 0));
-
- H_SET_DATA_SIZE (&headers, data_last_frag->fr_address);
- data_last_frag->fr_address = H_GET_DATA_SIZE (&headers);
- slide = H_GET_TEXT_SIZE (&headers); /* & in file of the data segment. */
-#ifdef OBJ_BOUT
-#define RoundUp(N,S) (((N)+(S)-1)&-(S))
- /* For b.out: If the data section has a strict alignment
- requirement, its load address in the .o file will be
- rounded up from the size of the text section. These
- two values are *not* the same! Similarly for the bss
- section.... */
- slide = RoundUp (slide, 1 << section_alignment[SEG_DATA]);
-#endif
-
- for (fragP = data_frag_root; fragP; fragP = fragP->fr_next)
- fragP->fr_address += slide;
-
- know (text_last_frag != 0);
- text_last_frag->fr_next = data_frag_root;
- }
- else
- {
- H_SET_DATA_SIZE (&headers, 0);
- }
-
-#ifdef OBJ_BOUT
- /* See above comments on b.out data section address. */
- {
- addressT bss_vma;
- if (data_last_frag == 0)
- bss_vma = H_GET_TEXT_SIZE (&headers);
- else
- bss_vma = data_last_frag->fr_address;
- bss_vma = RoundUp (bss_vma, 1 << section_alignment[SEG_BSS]);
- bss_address_frag.fr_address = bss_vma;
- }
-#else /* ! OBJ_BOUT */
- bss_address_frag.fr_address = (H_GET_TEXT_SIZE (&headers) +
- H_GET_DATA_SIZE (&headers));
-
-#endif /* ! OBJ_BOUT */
-
- /* Slide all the frags. */
- if (bss_frag_root)
- {
- relax_addressT slide = bss_address_frag.fr_address;
-
- for (fragP = bss_frag_root; fragP; fragP = fragP->fr_next)
- fragP->fr_address += slide;
- }
-
- if (bss_last_frag)
- H_SET_BSS_SIZE (&headers,
- bss_last_frag->fr_address - bss_frag_root->fr_address);
- else
- H_SET_BSS_SIZE (&headers, 0);
}
-#endif /* ! BFD_ASSEMBLER && ! BFD */
-#if defined (BFD_ASSEMBLER) || !defined (BFD)
-
-#ifdef BFD_ASSEMBLER
static void
set_symtab (void)
{
asymbol **asympp;
symbolS *symp;
bfd_boolean result;
- extern PTR bfd_alloc (bfd *, bfd_size_type);
/* Count symbols. We can't rely on a count made by the loop in
write_object_file, because *_frob_file may add a new symbol or
for (i = 0; i < nsyms; i++, symp = symbol_next (symp))
{
asympp[i] = symbol_get_bfdsym (symp);
+ if (asympp[i]->flags != BSF_SECTION_SYM
+ || !(bfd_is_const_section (asympp[i]->section)
+ && asympp[i]->section->symbol == asympp[i]))
+ asympp[i]->flags |= BSF_KEEP;
symbol_mark_written (symp);
}
}
else
asympp = 0;
result = bfd_set_symtab (stdoutput, asympp, nsyms);
- assert (result);
+ gas_assert (result);
symbol_table_frozen = 1;
}
-#endif
/* Finish the subsegments. After every sub-segment, we fake an
- ".align ...". This conforms to BSD4.2 brane-damage. We then fake
+ ".align ...". This conforms to BSD4.2 brain-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. */
of the section. This allows proper nop-filling at the end of
code-bearing sections. */
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \
- (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \
- ? get_recorded_alignment (SEG) : 0)
+ (!(FRCHAIN)->frch_next && subseg_text_p (SEG) \
+ && !do_not_pad_sections_to_alignment \
+ ? get_recorded_alignment (SEG) \
+ : 0)
#else
-#ifdef BFD_ASSEMBLER
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
-#else
-#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 2
-#endif
#endif
#endif
-void
-subsegs_finish (void)
+static void
+subsegs_finish_section (asection *s)
{
struct frchain *frchainP;
+ segment_info_type *seginfo = seg_info (s);
+ if (!seginfo)
+ return;
- for (frchainP = frchain_root; frchainP; frchainP = frchainP->frch_next)
+ for (frchainP = seginfo->frchainP;
+ frchainP != NULL;
+ frchainP = frchainP->frch_next)
{
- int alignment = 0;
+ int alignment;
- subseg_set (frchainP->frch_seg, frchainP->frch_subseg);
+ subseg_set (s, 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. */
- if (!had_errors ())
+ any alignment is meaningless, and, moreover, will look weird
+ if we are generating a listing. */
+ if (had_errors ())
+ do_not_pad_sections_to_alignment = 1;
+
+ alignment = SUB_SEGMENT_ALIGN (now_seg, frchainP);
+ if ((bfd_section_flags (now_seg) & SEC_MERGE)
+ && now_seg->entsize)
{
- alignment = SUB_SEGMENT_ALIGN (now_seg, frchainP);
-#ifdef BFD_ASSEMBLER
- if ((bfd_get_section_flags (now_seg->owner, now_seg) & SEC_MERGE)
- && now_seg->entsize)
- {
- unsigned int entsize = now_seg->entsize;
- int entalign = 0;
+ unsigned int entsize = now_seg->entsize;
+ int entalign = 0;
- while ((entsize & 1) == 0)
- {
- ++entalign;
- entsize >>= 1;
- }
- if (entalign > alignment)
- alignment = entalign;
+ while ((entsize & 1) == 0)
+ {
+ ++entalign;
+ entsize >>= 1;
}
-#endif
+
+ if (entalign > alignment)
+ alignment = entalign;
}
if (subseg_text_p (now_seg))
}
}
+static void
+subsegs_finish (void)
+{
+ asection *s;
+
+ for (s = stdoutput->sections; s; s = s->next)
+ subsegs_finish_section (s);
+}
+
+#ifdef OBJ_ELF
+static void
+create_obj_attrs_section (void)
+{
+ segT s;
+ char *p;
+ offsetT size;
+ const char *name;
+
+ size = bfd_elf_obj_attr_size (stdoutput);
+ if (size == 0)
+ return;
+
+ name = get_elf_backend_data (stdoutput)->obj_attrs_section;
+ if (!name)
+ name = ".gnu.attributes";
+ s = subseg_new (name, 0);
+ elf_section_type (s)
+ = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
+ bfd_set_section_flags (s, SEC_READONLY | SEC_DATA);
+ frag_now_fix ();
+ p = frag_more (size);
+ bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
+
+ subsegs_finish_section (s);
+ relax_segment (seg_info (s)->frchainP->frch_root, s, 0);
+ size_seg (stdoutput, s, NULL);
+}
+
+/* Create a relocation against an entry in a GNU Build attribute section. */
+
+static void
+create_note_reloc (segT sec,
+ symbolS * sym,
+ bfd_size_type note_offset,
+ bfd_size_type desc2_offset,
+ int reloc_type,
+ bfd_vma addend,
+ char * note)
+{
+ struct reloc_list * reloc;
+
+ reloc = XNEW (struct reloc_list);
+
+ /* We create a .b type reloc as resolve_reloc_expr_symbols() has already been called. */
+ reloc->u.b.sec = sec;
+ reloc->u.b.s = symbol_get_bfdsym (sym);
+ reloc->u.b.r.sym_ptr_ptr = & reloc->u.b.s;
+ reloc->u.b.r.address = note_offset + desc2_offset;
+ reloc->u.b.r.addend = addend;
+ reloc->u.b.r.howto = bfd_reloc_type_lookup (stdoutput, reloc_type);
+
+ if (reloc->u.b.r.howto == NULL)
+ {
+ as_bad (_("unable to create reloc for build note"));
+ return;
+ }
+
+ reloc->file = N_("<gnu build note>");
+ reloc->line = 0;
+
+ reloc->next = reloc_list;
+ reloc_list = reloc;
+
+ /* For REL relocs, store the addend in the section. */
+ if (! sec->use_rela_p
+ /* The SH target is a special case that uses RELA relocs
+ but still stores the addend in the word being relocated. */
+ || strstr (bfd_get_target (stdoutput), "-sh") != NULL)
+ {
+ if (target_big_endian)
+ {
+ if (bfd_arch_bits_per_address (stdoutput) <= 32)
+ note[desc2_offset + 3] = addend;
+ else
+ note[desc2_offset + 7] = addend;
+ }
+ else
+ note[desc2_offset] = addend;
+ }
+}
+
+static void
+maybe_generate_build_notes (void)
+{
+ segT sec;
+ char * note;
+ offsetT note_size;
+ offsetT total_size;
+ offsetT desc_size;
+ offsetT desc2_offset;
+ int desc_reloc;
+ symbolS * sym;
+ asymbol * bsym;
+
+ if (! flag_generate_build_notes
+ || bfd_get_section_by_name (stdoutput,
+ GNU_BUILD_ATTRS_SECTION_NAME) != NULL)
+ return;
+
+ /* Create a GNU Build Attribute section. */
+ sec = subseg_new (GNU_BUILD_ATTRS_SECTION_NAME, FALSE);
+ elf_section_type (sec) = SHT_NOTE;
+ bfd_set_section_flags (sec, (SEC_READONLY | SEC_HAS_CONTENTS | SEC_DATA
+ | SEC_OCTETS));
+ bfd_set_section_alignment (sec, 2);
+
+ /* Work out the size of the notes that we will create,
+ and the relocation we should use. */
+ if (bfd_arch_bits_per_address (stdoutput) <= 32)
+ {
+ note_size = 28;
+ desc_size = 8; /* Two 4-byte offsets. */
+ desc2_offset = 24;
+
+ /* FIXME: The BFD backend for the CRX target does not support the
+ BFD_RELOC_32, even though it really should. Likewise for the
+ CR16 target. So we have special case code here... */
+ if (strstr (bfd_get_target (stdoutput), "-crx") != NULL)
+ desc_reloc = BFD_RELOC_CRX_NUM32;
+ else if (strstr (bfd_get_target (stdoutput), "-cr16") != NULL)
+ desc_reloc = BFD_RELOC_CR16_NUM32;
+ else
+ desc_reloc = BFD_RELOC_32;
+ }
+ else
+ {
+ note_size = 36;
+ desc_size = 16; /* Two 8-byte offsets. */
+ desc2_offset = 28;
+ /* FIXME: The BFD backend for the IA64 target does not support the
+ BFD_RELOC_64, even though it really should. The HPPA backend
+ has a similar issue, although it does not support BFD_RELOCs at
+ all! So we have special case code to handle these targets. */
+ if (strstr (bfd_get_target (stdoutput), "-ia64") != NULL)
+ desc_reloc = target_big_endian ? BFD_RELOC_IA64_DIR32MSB : BFD_RELOC_IA64_DIR32LSB;
+ else if (strstr (bfd_get_target (stdoutput), "-hppa") != NULL)
+ desc_reloc = 80; /* R_PARISC_DIR64. */
+ else
+ desc_reloc = BFD_RELOC_64;
+ }
+
+ /* We have to create a note for *each* code section.
+ Linker garbage collection might discard some. */
+ total_size = 0;
+ note = NULL;
+
+ for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
+ if ((bsym = symbol_get_bfdsym (sym)) != NULL
+ && bsym->flags & BSF_SECTION_SYM
+ && bsym->section != NULL
+ /* Skip linkonce sections - we cannot use these section symbols as they may disappear. */
+ && (bsym->section->flags & (SEC_CODE | SEC_LINK_ONCE)) == SEC_CODE
+ /* Not all linkonce sections are flagged... */
+ && strncmp (S_GET_NAME (sym), ".gnu.linkonce", sizeof ".gnu.linkonce" - 1) != 0)
+ {
+ /* Create a version note. */
+ frag_now_fix ();
+ note = frag_more (note_size);
+ memset (note, 0, note_size);
+
+ if (target_big_endian)
+ {
+ note[3] = 8; /* strlen (name) + 1. */
+ note[7] = desc_size; /* Two 8-byte offsets. */
+ note[10] = NT_GNU_BUILD_ATTRIBUTE_OPEN >> 8;
+ note[11] = NT_GNU_BUILD_ATTRIBUTE_OPEN & 0xff;
+ }
+ else
+ {
+ note[0] = 8; /* strlen (name) + 1. */
+ note[4] = desc_size; /* Two 8-byte offsets. */
+ note[8] = NT_GNU_BUILD_ATTRIBUTE_OPEN & 0xff;
+ note[9] = NT_GNU_BUILD_ATTRIBUTE_OPEN >> 8;
+ }
+
+ /* The a1 version number indicates that this note was
+ generated by the assembler and not the gcc annobin plugin. */
+ memcpy (note + 12, "GA$\ 13a1", 8);
+
+ /* Create a relocation to install the start address of the note... */
+ create_note_reloc (sec, sym, total_size, 20, desc_reloc, 0, note);
+
+ /* ...and another one to install the end address. */
+ create_note_reloc (sec, sym, total_size, desc2_offset, desc_reloc,
+ bfd_section_size (bsym->section),
+ note);
+
+ total_size += note_size;
+ /* FIXME: Maybe add a note recording the assembler command line and version ? */
+ }
+
+ /* Install the note(s) into the section. */
+ if (total_size)
+ bfd_set_section_contents (stdoutput, sec, (bfd_byte *) note, 0, total_size);
+ subsegs_finish_section (sec);
+ relax_segment (seg_info (sec)->frchainP->frch_root, sec, 0);
+ size_seg (stdoutput, sec, NULL);
+}
+#endif /* OBJ_ELF */
+
/* Write the object file. */
void
write_object_file (void)
{
-#if ! defined (BFD_ASSEMBLER) || ! defined (WORKING_DOT_WORD)
+ struct relax_seg_info rsi;
+#ifndef WORKING_DOT_WORD
fragS *fragP; /* Track along all frags. */
#endif
- /* Do we really want to write it? */
- {
- int n_warns, n_errs;
- n_warns = had_warnings ();
- n_errs = had_errors ();
- /* The -Z flag indicates that an object file should be generated,
- regardless of warnings and errors. */
- if (flag_always_generate_output)
- {
- if (n_warns || n_errs)
- as_warn (_("%d error%s, %d warning%s, generating bad object file"),
- 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_errs, n_errs == 1 ? "" : "s",
- n_warns, n_warns == 1 ? "" : "s");
- }
- }
+ subsegs_finish ();
+
+#ifdef md_pre_output_hook
+ md_pre_output_hook;
+#endif
-#ifdef OBJ_VMS
- /* Under VMS we try to be compatible with VAX-11 "C". Thus, we call
- a routine to check for the definition of the procedure "_main",
- and if so -- fix it up so that it can be program entry point. */
- vms_check_for_main ();
-#endif /* OBJ_VMS */
+#ifdef md_pre_relax_hook
+ md_pre_relax_hook;
+#endif
/* From now on, we don't care about sub-segments. Build one frag chain
- for each segment. Linked thru fr_next. */
+ for each segment. Linked through fr_next. */
-#ifdef BFD_ASSEMBLER
/* Remove the sections created by gas for its own purposes. */
{
- asection **seclist;
int i;
- seclist = &stdoutput->sections;
- while (*seclist)
- {
- if (*seclist == reg_section || *seclist == expr_section)
- {
- bfd_section_list_remove (stdoutput, seclist);
- stdoutput->section_count--;
- }
- else
- seclist = &(*seclist)->next;
- }
+ bfd_section_list_remove (stdoutput, reg_section);
+ bfd_section_list_remove (stdoutput, expr_section);
+ stdoutput->section_count -= 2;
i = 0;
bfd_map_over_sections (stdoutput, renumber_sections, &i);
}
bfd_map_over_sections (stdoutput, chain_frchains_together, (char *) 0);
-#else
- remove_subsegs (frchain_root, SEG_TEXT, &text_frag_root, &text_last_frag);
- remove_subsegs (data0_frchainP, SEG_DATA, &data_frag_root, &data_last_frag);
- remove_subsegs (bss0_frchainP, SEG_BSS, &bss_frag_root, &bss_last_frag);
-#endif
/* We have two segments. If user gave -R flag, then we must put the
data frags into the text segment. Do this before relaxing so
we know to take advantage of -R and make shorter addresses. */
-#if !defined (OBJ_AOUT) || defined (BFD_ASSEMBLER)
if (flag_readonly_data_in_text)
{
merge_data_into_text ();
}
-#endif
-#ifdef BFD_ASSEMBLER
+ rsi.pass = 0;
while (1)
{
- int changed;
-
#ifndef WORKING_DOT_WORD
/* We need to reset the markers in the broken word list and
associated frags between calls to relax_segment (via
}
#endif
- changed = 0;
- bfd_map_over_sections (stdoutput, relax_seg, &changed);
- if (!changed)
+ rsi.changed = 0;
+ bfd_map_over_sections (stdoutput, relax_seg, &rsi);
+ rsi.pass++;
+ if (!rsi.changed)
break;
}
finalize_syms = TC_FINALIZE_SYMS_BEFORE_SIZE_SEG;
bfd_map_over_sections (stdoutput, size_seg, (char *) 0);
-#else
- relax_and_size_all_segments ();
-#endif /* BFD_ASSEMBLER */
/* Relaxation has completed. Freeze all syms. */
finalize_syms = 1;
+ dwarf2dbg_final_check ();
+
#ifdef md_post_relax_hook
md_post_relax_hook;
#endif
-#ifndef BFD_ASSEMBLER
- /* Crawl the symbol chain.
-
- For each symbol whose value depends on a frag, take the address of
- that frag and subsume it into the value of the symbol.
- After this, there is just one way to lookup a symbol value.
- Values are left in their final state for object file emission.
- We adjust the values of 'L' local symbols, even if we do
- not intend to emit them to the object file, because their values
- are needed for fix-ups.
-
- Unless we saw a -L flag, remove all symbols that begin with 'L'
- from the symbol chain. (They are still pointed to by the fixes.)
-
- Count the remaining symbols.
- Assign a symbol number to each symbol.
- Count the number of string-table chars we will emit.
- Put this info into the headers as appropriate. */
- know (zero_address_frag.fr_address == 0);
- string_byte_count = sizeof (string_byte_count);
-
- obj_crawl_symbol_chain (&headers);
-
- if (string_byte_count == sizeof (string_byte_count))
- string_byte_count = 0;
-
- H_SET_STRING_SIZE (&headers, string_byte_count);
-
- /* Addresses of frags now reflect addresses we use in the object file.
- Symbol values are correct.
- Scan the frags, converting any ".org"s and ".align"s to ".fill"s.
- Also converting any machine-dependent frags using md_convert_frag(); */
- subseg_change (SEG_TEXT, 0);
-
- 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. */
-#ifndef NDEBUG
- if (!(fragP->fr_next == NULL
-#ifdef OBJ_BOUT
- || fragP->fr_next == data_frag_root
-#endif
- || ((offsetT) (fragP->fr_next->fr_address - fragP->fr_address)
- == (fragP->fr_fix + fragP->fr_offset * fragP->fr_var))))
- abort ();
+#ifdef OBJ_ELF
+ if (IS_ELF)
+ create_obj_attrs_section ();
#endif
- }
-#endif /* ! BFD_ASSEMBLER */
#ifndef WORKING_DOT_WORD
{
exp.X_add_symbol = lie->add;
exp.X_op_symbol = lie->sub;
exp.X_add_number = lie->addnum;
-#ifdef BFD_ASSEMBLER
#ifdef TC_CONS_FIX_NEW
TC_CONS_FIX_NEW (lie->frag,
lie->word_goes_here - lie->frag->fr_literal,
- 2, &exp);
+ 2, &exp, TC_PARSE_CONS_RETURN_NONE);
#else
fix_new_exp (lie->frag,
lie->word_goes_here - lie->frag->fr_literal,
2, &exp, 0, BFD_RELOC_16);
#endif
-#else
-#if defined(TC_SPARC) || defined(TC_A29K) || defined(NEED_FX_R_TYPE)
- fix_new_exp (lie->frag,
- lie->word_goes_here - lie->frag->fr_literal,
- 2, &exp, 0, NO_RELOC);
-#else
-#ifdef TC_NS32K
- fix_new_ns32k_exp (lie->frag,
- lie->word_goes_here - lie->frag->fr_literal,
- 2, &exp, 0, 0, 2, 0, 0);
-#else
- fix_new_exp (lie->frag,
- lie->word_goes_here - lie->frag->fr_literal,
- 2, &exp, 0, 0);
-#endif /* TC_NS32K */
-#endif /* TC_SPARC|TC_A29K|NEED_FX_R_TYPE */
-#endif /* BFD_ASSEMBLER */
*prevP = lie->next_broken_word;
}
else
if (lie->added == 2)
continue;
/* Patch the jump table. */
- /* This is the offset from ??? to table_ptr+0. */
- to_addr = table_addr - S_GET_VALUE (lie->sub);
-#ifdef TC_CHECK_ADJUSTED_BROKEN_DOT_WORD
- TC_CHECK_ADJUSTED_BROKEN_DOT_WORD (to_addr, lie);
-#endif
- md_number_to_chars (lie->word_goes_here, to_addr, 2);
- for (untruth = lie->next_broken_word;
+ for (untruth = (struct broken_word *) (fragP->fr_symbol);
untruth && untruth->dispfrag == fragP;
untruth = untruth->next_broken_word)
{
if (untruth->use_jump == lie)
- md_number_to_chars (untruth->word_goes_here, to_addr, 2);
+ {
+ /* This is the offset from ??? to table_ptr+0.
+ The target is the same for all users of this
+ md_long_jump, but the "sub" bases (and hence the
+ offsets) may be different. */
+ addressT to_word = table_addr - S_GET_VALUE (untruth->sub);
+#ifdef TC_CHECK_ADJUSTED_BROKEN_DOT_WORD
+ TC_CHECK_ADJUSTED_BROKEN_DOT_WORD (to_word, untruth);
+#endif
+ md_number_to_chars (untruth->word_goes_here, to_word, 2);
+ }
}
/* Install the long jump. */
}
#endif /* not WORKING_DOT_WORD */
-#ifndef BFD_ASSEMBLER
-#ifndef OBJ_VMS
- { /* not vms */
- char *the_object_file;
- long object_file_size;
- /* Scan every FixS performing fixups. We had to wait until now to
- do this because md_convert_frag() may have made some fixSs. */
- int trsize, drsize;
-
- subseg_change (SEG_TEXT, 0);
- trsize = md_reloc_size * fixup_segment (text_fix_root, SEG_TEXT);
- subseg_change (SEG_DATA, 0);
- drsize = md_reloc_size * fixup_segment (data_fix_root, SEG_DATA);
- H_SET_RELOCATION_SIZE (&headers, trsize, drsize);
-
- /* FIXME: Move this stuff into the pre-write-hook. */
- H_SET_MAGIC_NUMBER (&headers, magic_number_for_object_file);
- H_SET_ENTRY_POINT (&headers, 0);
-
- obj_pre_write_hook (&headers); /* Extra coff stuff. */
-
- object_file_size = H_GET_FILE_SIZE (&headers);
- next_object_file_charP = the_object_file = xmalloc (object_file_size);
-
- output_file_create (out_file_name);
-
- obj_header_append (&next_object_file_charP, &headers);
-
- know ((next_object_file_charP - the_object_file)
- == H_GET_HEADER_SIZE (&headers));
-
- /* Emit code. */
- for (fragP = text_frag_root; fragP; fragP = fragP->fr_next)
- {
- register long count;
- register char *fill_literal;
- register long fill_size;
-
- PROGRESS (1);
- know (fragP->fr_type == rs_fill);
- append (&next_object_file_charP, fragP->fr_literal,
- (unsigned long) fragP->fr_fix);
- fill_literal = fragP->fr_literal + fragP->fr_fix;
- fill_size = fragP->fr_var;
- know (fragP->fr_offset >= 0);
-
- for (count = fragP->fr_offset; count; count--)
- append (&next_object_file_charP, fill_literal,
- (unsigned long) fill_size);
- }
-
- know ((next_object_file_charP - the_object_file)
- == (H_GET_HEADER_SIZE (&headers)
- + H_GET_TEXT_SIZE (&headers)
- + H_GET_DATA_SIZE (&headers)));
-
- /* Emit relocations. */
- obj_emit_relocations (&next_object_file_charP, text_fix_root,
- (relax_addressT) 0);
- know ((next_object_file_charP - the_object_file)
- == (H_GET_HEADER_SIZE (&headers)
- + H_GET_TEXT_SIZE (&headers)
- + H_GET_DATA_SIZE (&headers)
- + H_GET_TEXT_RELOCATION_SIZE (&headers)));
-#ifdef TC_I960
- /* Make addresses in data relocation directives relative to beginning of
- first data fragment, not end of last text fragment: alignment of the
- start of the data segment may place a gap between the segments. */
- obj_emit_relocations (&next_object_file_charP, data_fix_root,
- data0_frchainP->frch_root->fr_address);
-#else /* TC_I960 */
- obj_emit_relocations (&next_object_file_charP, data_fix_root,
- text_last_frag->fr_address);
-#endif /* TC_I960 */
-
- know ((next_object_file_charP - the_object_file)
- == (H_GET_HEADER_SIZE (&headers)
- + H_GET_TEXT_SIZE (&headers)
- + H_GET_DATA_SIZE (&headers)
- + H_GET_TEXT_RELOCATION_SIZE (&headers)
- + H_GET_DATA_RELOCATION_SIZE (&headers)));
-
- /* Emit line number entries. */
- OBJ_EMIT_LINENO (&next_object_file_charP, lineno_rootP, the_object_file);
- know ((next_object_file_charP - the_object_file)
- == (H_GET_HEADER_SIZE (&headers)
- + H_GET_TEXT_SIZE (&headers)
- + H_GET_DATA_SIZE (&headers)
- + H_GET_TEXT_RELOCATION_SIZE (&headers)
- + H_GET_DATA_RELOCATION_SIZE (&headers)
- + H_GET_LINENO_SIZE (&headers)));
-
- /* Emit symbols. */
- obj_emit_symbols (&next_object_file_charP, symbol_rootP);
- know ((next_object_file_charP - the_object_file)
- == (H_GET_HEADER_SIZE (&headers)
- + H_GET_TEXT_SIZE (&headers)
- + H_GET_DATA_SIZE (&headers)
- + H_GET_TEXT_RELOCATION_SIZE (&headers)
- + H_GET_DATA_RELOCATION_SIZE (&headers)
- + H_GET_LINENO_SIZE (&headers)
- + H_GET_SYMBOL_TABLE_SIZE (&headers)));
-
- /* Emit strings. */
- if (string_byte_count > 0)
- obj_emit_strings (&next_object_file_charP);
-
-#ifdef BFD_HEADERS
- bfd_seek (stdoutput, (file_ptr) 0, 0);
- bfd_bwrite (the_object_file, (bfd_size_type) object_file_size, stdoutput);
-#else
-
- /* Write the data to the file. */
- output_file_append (the_object_file, object_file_size, out_file_name);
- free (the_object_file);
-#endif
- }
-#else /* OBJ_VMS */
- /* Now do the VMS-dependent part of writing the object file. */
- vms_write_object_file (H_GET_TEXT_SIZE (&headers),
- H_GET_DATA_SIZE (&headers),
- H_GET_BSS_SIZE (&headers),
- text_frag_root, data_frag_root);
-#endif /* OBJ_VMS */
-#else /* BFD_ASSEMBLER */
-
/* Resolve symbol values. This needs to be done before processing
the relocations. */
if (symbol_rootP)
resolve_symbol_value (symp);
}
resolve_local_symbol_values ();
+ resolve_reloc_expr_symbols ();
+
+#ifdef OBJ_ELF
+ if (IS_ELF)
+ maybe_generate_build_notes ();
+#endif
PROGRESS (1);
if (symbol_rootP)
{
symbolS *symp;
+ bfd_boolean skip_next_symbol = FALSE;
for (symp = symbol_rootP; symp; symp = symbol_next (symp))
{
int punt = 0;
const char *name;
+ if (skip_next_symbol)
+ {
+ /* Don't do anything besides moving the value of the
+ symbol from the GAS value-field to the BFD value-field. */
+ symbol_get_bfdsym (symp)->value = S_GET_VALUE (symp);
+ skip_next_symbol = FALSE;
+ continue;
+ }
+
if (symbol_mri_common_p (symp))
{
if (S_IS_EXTERNAL (symp))
resolve_symbol_value (symp);
/* Skip symbols which were equated to undefined or common
- symbols. */
- if (symbol_equated_reloc_p (symp))
+ symbols. */
+ if (symbol_equated_reloc_p (symp)
+ || S_IS_WEAKREFR (symp))
{
+ const char *sname = S_GET_NAME (symp);
+
+ if (S_IS_COMMON (symp)
+ && !TC_FAKE_LABEL (sname)
+ && !S_IS_WEAKREFR (symp))
+ {
+ expressionS *e = symbol_get_value_expression (symp);
+
+ as_bad (_("`%s' can't be equated to common symbol `%s'"),
+ sname, S_GET_NAME (e->X_add_symbol));
+ }
+ if (S_GET_SEGMENT (symp) == reg_section)
+ {
+ /* Report error only if we know the symbol name. */
+ if (S_GET_NAME (symp) != reg_section->name)
+ as_bad (_("can't make global register symbol `%s'"),
+ sname);
+ }
symbol_remove (symp, &symbol_rootP, &symbol_lastP);
continue;
}
- /* So far, common symbols have been treated like undefined symbols.
- Put them in the common section now. */
- if (S_IS_DEFINED (symp) == 0
- && S_GET_VALUE (symp) != 0)
- S_SET_SEGMENT (symp, bfd_com_section_ptr);
-#if 0
- printf ("symbol `%s'\n\t@%x: value=%d flags=%x seg=%s\n",
- S_GET_NAME (symp), symp,
- S_GET_VALUE (symp),
- symbol_get_bfdsym (symp)->flags,
- segment_name (S_GET_SEGMENT (symp)));
-#endif
-
#ifdef obj_frob_symbol
obj_frob_symbol (symp, punt);
#endif
if (symp == abs_section_sym
|| (! EMIT_SECTION_SYMBOLS
&& symbol_section_p (symp))
- /* Note that S_IS_EXTERN and S_IS_LOCAL are not always
+ /* Note that S_IS_EXTERNAL and S_IS_LOCAL are not always
opposites. Sometimes the former checks flags and the
latter examines the name... */
- || (!S_IS_EXTERN (symp)
- && (punt || S_IS_LOCAL (symp))
+ || (!S_IS_EXTERNAL (symp)
+ && (punt || S_IS_LOCAL (symp) ||
+ (S_IS_WEAKREFD (symp) && ! symbol_used_p (symp)))
&& ! symbol_used_in_reloc_p (symp)))
{
symbol_remove (symp, &symbol_rootP, &symbol_lastP);
/* Set the value into the BFD symbol. Up til now the value
has only been kept in the gas symbolS struct. */
symbol_get_bfdsym (symp)->value = S_GET_VALUE (symp);
+
+ /* A warning construct is a warning symbol followed by the
+ symbol warned about. Don't let anything object-format or
+ target-specific muck with it; it's ready for output. */
+ if (symbol_get_bfdsym (symp)->flags & BSF_WARNING)
+ skip_next_symbol = TRUE;
}
}
obj_adjust_symtab ();
#endif
+ /* Stop if there is an error. */
+ if (had_errors ())
+ return;
+
/* Now that all the sizes are known, and contents correct, we can
start writing to the file. */
set_symtab ();
#ifdef obj_frob_file
obj_frob_file ();
#endif
+#ifdef obj_coff_generate_pdata
+ obj_coff_generate_pdata ();
+#endif
bfd_map_over_sections (stdoutput, write_relocs, (char *) 0);
obj_frob_file_after_relocs ();
#endif
+#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
+ if (IS_ELF && flag_use_elf_stt_common)
+ stdoutput->flags |= BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON;
+#endif
+
+ /* Once all relocations have been written, we can compress the
+ contents of the debug sections. This needs to be done before
+ we start writing any sections, because it will affect the file
+ layout, which is fixed once we start writing contents. */
+ if (flag_compress_debug)
+ {
+ if (flag_compress_debug == COMPRESS_DEBUG_GABI_ZLIB)
+ stdoutput->flags |= BFD_COMPRESS | BFD_COMPRESS_GABI;
+ else
+ stdoutput->flags |= BFD_COMPRESS;
+ bfd_map_over_sections (stdoutput, compress_debug, (char *) 0);
+ }
+
bfd_map_over_sections (stdoutput, write_contents, (char *) 0);
-#endif /* BFD_ASSEMBLER */
}
-#endif /* ! BFD */
#ifdef TC_GENERIC_RELAX_TABLE
+#ifndef md_generic_table_relax_frag
+#define md_generic_table_relax_frag relax_frag
+#endif
/* Relax a fragment by scanning TC_GENERIC_RELAX_TABLE. */
const relax_typeS *table;
target = fragP->fr_offset;
- address = fragP->fr_address;
+ address = fragP->fr_address + fragP->fr_fix;
table = TC_GENERIC_RELAX_TABLE;
this_state = fragP->fr_subtype;
start_type = this_type = table + this_state;
sym_frag = symbol_get_frag (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 (sym_frag != NULL);
#endif
know (S_GET_SEGMENT (symbolP) != absolute_section
|| sym_frag == &zero_address_frag);
target += S_GET_VALUE (symbolP);
- /* 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. */
+ /* If SYM_FRAG has yet to be reached on this pass, assume it
+ will move by STRETCH just as we did, unless there is an
+ alignment frag between here and SYM_FRAG. An alignment may
+ well absorb any STRETCH, and we don't want to choose a larger
+ branch insn by overestimating the needed reach of this
+ branch. It isn't critical to calculate TARGET exactly; We
+ know we'll be doing another pass if STRETCH is non-zero. */
if (stretch != 0
&& sym_frag->relax_marker != fragP->relax_marker
&& S_GET_SEGMENT (symbolP) == segment)
{
- target += stretch;
+ if (stretch < 0
+ || sym_frag->region == fragP->region)
+ target += stretch;
+ /* If we get here we know we have a forward branch. This
+ relax pass may have stretched previous instructions so
+ far that omitting STRETCH would make the branch
+ negative. Don't allow this in case the negative reach is
+ large enough to require a larger branch instruction. */
+ else if (target < address)
+ return 0;
}
}
- aim = target - address - fragP->fr_fix;
+ aim = target - address;
#ifdef TC_PCREL_ADJUST
- /* Currently only the ns32k family needs this. */
+ /* Currently only the ns32k and arc 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. */
-#if 0
- assert (fragP->fr_targ.ns32k.pcrel_adjust == 0);
#endif
-#endif
-#ifdef md_prepare_relax_scan /* formerly called M68K_AIM_KLUDGE */
+
+#ifdef md_prepare_relax_scan
+ /* Formerly called M68K_AIM_KLUDGE. */
md_prepare_relax_scan (fragP, address, aim, this_state, this_type);
#endif
/* Relax_align. Advance location counter to next address that has 'alignment'
lowest order bits all 0s, return size of adjustment made. */
static relax_addressT
-relax_align (register relax_addressT address, /* Address now. */
- register int alignment /* Alignment (binary). */)
+relax_align (relax_addressT address, /* Address now. */
+ int alignment /* Alignment (binary). */)
{
relax_addressT mask;
relax_addressT new_address;
- mask = ~((~0) << alignment);
+ mask = ~((relax_addressT) ~0 << alignment);
new_address = (address + mask) & (~mask);
#ifdef LINKER_RELAXING_SHRINKS_ONLY
if (linkrelax)
addresses. */
int
-relax_segment (struct frag *segment_frag_root, segT segment)
+relax_segment (struct frag *segment_frag_root, segT segment, int pass)
{
- register struct frag *fragP;
- register relax_addressT address;
+ unsigned long frag_count;
+ struct frag *fragP;
+ relax_addressT address;
+ int region;
int ret;
-#if !defined (MANY_SEGMENTS) && !defined (BFD_ASSEMBLER)
- know (segment == SEG_DATA || segment == SEG_TEXT || segment == SEG_BSS);
-#endif
/* In case md_estimate_size_before_relax() wants to make fixSs. */
subseg_change (segment, 0);
/* For each frag in segment: count and store (a 1st guess of)
fr_address. */
address = 0;
- for (fragP = segment_frag_root; fragP; fragP = fragP->fr_next)
+ region = 0;
+ for (frag_count = 0, fragP = segment_frag_root;
+ fragP;
+ fragP = fragP->fr_next, frag_count ++)
{
+ fragP->region = region;
fragP->relax_marker = 0;
fragP->fr_address = address;
address += fragP->fr_fix;
if (offset % fragP->fr_var != 0)
{
as_bad_where (fragP->fr_file, fragP->fr_line,
- _("alignment padding (%lu bytes) not a multiple of %ld"),
+ ngettext ("alignment padding (%lu byte) "
+ "not a multiple of %ld",
+ "alignment padding (%lu bytes) "
+ "not a multiple of %ld",
+ (unsigned long) offset),
(unsigned long) offset, (long) fragP->fr_var);
offset -= (offset % fragP->fr_var);
}
address += offset;
+ region += 1;
}
break;
case rs_org:
- case rs_space:
/* Assume .org is nugatory. It will grow with 1st relax. */
+ region += 1;
+ break;
+
+ case rs_space:
+ case rs_space_nop:
break;
case rs_machine_dependent:
/* Do relax(). */
{
- offsetT stretch; /* May be any size, 0 or negative. */
- /* Cumulative number of addresses we have relaxed this pass.
- We may have relaxed more than one address. */
- int stretched; /* Have we stretched on this pass? */
- /* This is 'cuz stretch may be zero, when, in fact some piece of code
- grew, and another shrank. If a branch instruction doesn't fit anymore,
- we could be scrod. */
-
+ unsigned long max_iterations;
+
+ /* Cumulative address adjustment. */
+ offsetT stretch;
+
+ /* Have we made any adjustment this pass? We can't just test
+ stretch because one piece of code may have grown and another
+ shrank. */
+ int stretched;
+
+ /* Most horrible, but gcc may give us some exception data that
+ is impossible to assemble, of the form
+
+ .align 4
+ .byte 0, 0
+ .uleb128 end - start
+ start:
+ .space 128*128 - 1
+ .align 4
+ end:
+
+ If the leb128 is two bytes in size, then end-start is 128*128,
+ which requires a three byte leb128. If the leb128 is three
+ bytes in size, then end-start is 128*128-1, which requires a
+ two byte leb128. We work around this dilemma by inserting
+ an extra 4 bytes of alignment just after the .align. This
+ works because the data after the align is accessed relative to
+ the end label.
+
+ This counter is used in a tiny state machine to detect
+ whether a leb128 followed by an align is impossible to
+ relax. */
+ int rs_leb128_fudge = 0;
+
+ /* We want to prevent going into an infinite loop where one frag grows
+ depending upon the location of a symbol which is in turn moved by
+ the growing frag. eg:
+
+ foo = .
+ .org foo+16
+ foo = .
+
+ So we dictate that this algorithm can be at most O2. */
+ max_iterations = frag_count * frag_count;
+ /* Check for overflow. */
+ if (max_iterations < frag_count)
+ max_iterations = frag_count;
+
+ ret = 0;
do
{
stretch = 0;
S_GET_NAME (lie->sub),
buf);
}
- lie->added = 1;
if (fragP->fr_subtype == 0)
{
fragP->fr_subtype++;
growth += md_short_jump_size;
}
- for (untruth = lie->next_broken_word;
+
+ /* Redirect *all* words of this table with the same
+ target, lest we have to handle the case where the
+ same target but with a offset that fits on this
+ round overflows at the next relaxation round. */
+ for (untruth = (struct broken_word *) (fragP->fr_symbol);
untruth && untruth->dispfrag == lie->dispfrag;
untruth = untruth->next_broken_word)
if ((symbol_get_frag (untruth->add)
untruth->added = 2;
untruth->use_jump = lie;
}
+
+ lie->added = 1;
growth += md_long_jump_size;
}
}
}
growth = newoff - oldoff;
+
+ /* If this align happens to follow a leb128 and
+ we have determined that the leb128 is bouncing
+ in size, then break the cycle by inserting an
+ extra alignment. */
+ if (growth < 0
+ && (rs_leb128_fudge & 16) != 0
+ && (rs_leb128_fudge & 15) >= 2)
+ {
+ segment_info_type *seginfo = seg_info (segment);
+ struct obstack *ob = &seginfo->frchainP->frch_obstack;
+ struct frag *newf;
+
+ newf = frag_alloc (ob);
+ obstack_blank_fast (ob, fragP->fr_var);
+ obstack_finish (ob);
+ memcpy (newf, fragP, SIZEOF_STRUCT_FRAG);
+ memcpy (newf->fr_literal,
+ fragP->fr_literal + fragP->fr_fix,
+ fragP->fr_var);
+ newf->fr_type = rs_fill;
+ newf->fr_address = address + fragP->fr_fix + newoff;
+ newf->fr_fix = 0;
+ newf->fr_offset = (((offsetT) 1 << fragP->fr_offset)
+ / fragP->fr_var);
+ if (newf->fr_offset * newf->fr_var
+ != (offsetT) 1 << fragP->fr_offset)
+ {
+ newf->fr_offset = (offsetT) 1 << fragP->fr_offset;
+ newf->fr_var = 1;
+ }
+ /* Include size of new frag in GROWTH. */
+ growth += newf->fr_offset * newf->fr_var;
+ /* Adjust the new frag address for the amount
+ we'll add when we process the new frag. */
+ newf->fr_address -= stretch + growth;
+ newf->relax_marker ^= 1;
+ fragP->fr_next = newf;
+#ifdef DEBUG
+ as_warn (_("padding added"));
+#endif
+ }
}
break;
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
- /* Convert from an actual address to an octet offset
- into the section. Here it is assumed that the
- section's VMA is zero, and can omit subtracting it
- from the symbol's value to get the address offset. */
- know (S_GET_SECTION (symbolP)->vma == 0);
+ /* Convert from an actual address to an octet offset
+ into the section. Here it is assumed that the
+ section's VMA is zero, and can omit subtracting it
+ from the symbol's value to get the address offset. */
+ know (S_GET_SEGMENT (symbolP)->vma == 0);
target += S_GET_VALUE (symbolP) * OCTETS_PER_BYTE;
}
know (fragP->fr_next);
- after = fragP->fr_next->fr_address;
+ after = fragP->fr_next->fr_address + stretch;
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. */
+ if (address + fragP->fr_fix > target)
{
- /* Growth may be negative, but variable part of frag
- cannot have fewer than 0 chars. That is, we can't
- .org backwards. */
+ growth = 0;
+
+ /* Don't error on first few frag relax passes.
+ The symbol might be an expression involving
+ symbol values from other sections. If those
+ sections have not yet been processed their
+ frags will all have zero addresses, so we
+ will calculate incorrect values for them. The
+ number of passes we allow before giving an
+ error is somewhat arbitrary. It should be at
+ least one, with larger values requiring
+ increasingly contrived dependencies between
+ frags to trigger a false error. */
+ if (pass < 2)
+ {
+ /* Force another pass. */
+ ret = 1;
+ break;
+ }
+
as_bad_where (fragP->fr_file, fragP->fr_line,
_("attempt to move .org backwards"));
/* We've issued an error message. Change the
- frag to avoid cascading errors. */
+ frag to avoid cascading errors. */
fragP->fr_type = rs_align;
fragP->fr_subtype = 0;
fragP->fr_offset = 0;
- fragP->fr_fix = after - was_address;
- growth = stretch;
+ fragP->fr_fix = after - address;
}
-
- /* This is an absolute growth factor */
- growth -= stretch;
- break;
}
+ break;
case rs_space:
+ case rs_space_nop:
growth = 0;
if (symbolP)
{
}
else if (amount < 0)
{
+ /* Don't error on first few frag relax passes.
+ See rs_org comment for a longer explanation. */
+ if (pass < 2)
+ {
+ ret = 1;
+ break;
+ }
+
as_warn_where (fragP->fr_file, fragP->fr_line,
- _(".space or .fill with negative value, ignored"));
+ _(".space, .nops or .fill with negative value, ignored"));
fragP->fr_symbol = 0;
}
else
#ifdef TC_GENERIC_RELAX_TABLE
/* The default way to relax a frag is to look through
TC_GENERIC_RELAX_TABLE. */
- growth = relax_frag (segment, fragP, stretch);
+ growth = md_generic_table_relax_frag (segment, fragP,
+ stretch);
#endif /* TC_GENERIC_RELAX_TABLE */
#endif
break;
{
stretch += growth;
stretched = 1;
+ if (fragP->fr_type == rs_leb128)
+ rs_leb128_fudge += 16;
+ else if (fragP->fr_type == rs_align
+ && (rs_leb128_fudge & 16) != 0
+ && stretch == 0)
+ rs_leb128_fudge += 16;
+ else
+ rs_leb128_fudge = 0;
}
- } /* For each frag in the segment. */
+ }
+
+ if (stretch == 0
+ && (rs_leb128_fudge & 16) == 0
+ && (rs_leb128_fudge & -16) != 0)
+ rs_leb128_fudge += 1;
+ else
+ rs_leb128_fudge = 0;
}
- while (stretched); /* Until nothing further to relax. */
- } /* do_relax */
+ /* Until nothing further to relax. */
+ while (stretched && -- max_iterations);
+
+ if (stretched)
+ as_fatal (_("Infinite loop encountered whilst attempting to compute the addresses of symbols in section %s"),
+ segment_name (segment));
+ }
- ret = 0;
for (fragP = segment_frag_root; fragP; fragP = fragP->fr_next)
if (fragP->last_fr_address != fragP->fr_address)
{
return ret;
}
-#if defined (BFD_ASSEMBLER) || (!defined (BFD) && !defined (OBJ_VMS))
-
-/* fixup_segment()
-
- Go through all the fixS's in a segment and see which ones can be
- handled now. (These consist of fixS where we have since discovered
- the value of a symbol, or the address of the frag involved.)
- For each one, call md_apply_fix3 to put the fix into the frag data.
-
- Result is a count of how many relocation structs will be needed to
- handle the remaining fixS's that we couldn't completely handle here.
- These will be output later by emit_relocations(). */
-
-static long
-fixup_segment (fixS *fixP, segT this_segment)
-{
- long seg_reloc_count = 0;
- valueT add_number;
- fragS *fragP;
- segT add_symbol_segment = absolute_section;
-
- if (fixP != NULL && abs_section_sym == NULL)
- {
-#ifndef BFD_ASSEMBLER
- abs_section_sym = &abs_symbol;
-#else
- abs_section_sym = section_symbol (absolute_section);
-#endif
- }
-
- /* If the linker is doing the relaxing, we must not do any fixups.
-
- Well, strictly speaking that's not true -- we could do any that
- are PC-relative and don't cross regions that could change size.
- And for the i960 we might be able to turn callx/callj into bal
- anyways in cases where we know the maximum displacement. */
- if (linkrelax && TC_LINKRELAX_FIXUP (this_segment))
- {
- for (; fixP; fixP = fixP->fx_next)
- if (!fixP->fx_done)
- {
- if (fixP->fx_addsy == NULL)
- {
- /* There was no symbol required by this relocation.
- However, BFD doesn't really handle relocations
- without symbols well. So fake up a local symbol in
- the absolute section. */
- fixP->fx_addsy = abs_section_sym;
- }
- symbol_mark_used_in_reloc (fixP->fx_addsy);
- if (fixP->fx_subsy != NULL)
- symbol_mark_used_in_reloc (fixP->fx_subsy);
- seg_reloc_count++;
- }
- TC_ADJUST_RELOC_COUNT (fixP, seg_reloc_count);
- return seg_reloc_count;
- }
-
- for (; fixP; fixP = fixP->fx_next)
- {
-#ifdef DEBUG5
- fprintf (stderr, "\nprocessing fixup:\n");
- print_fixup (fixP);
-#endif
-
- fragP = fixP->fx_frag;
- know (fragP);
-#ifdef TC_VALIDATE_FIX
- TC_VALIDATE_FIX (fixP, this_segment, skip);
-#endif
- add_number = fixP->fx_offset;
-
- if (fixP->fx_addsy != NULL
- && symbol_mri_common_p (fixP->fx_addsy))
- {
- know (fixP->fx_addsy->sy_value.X_op == O_symbol);
- add_number += S_GET_VALUE (fixP->fx_addsy);
- fixP->fx_offset = add_number;
- fixP->fx_addsy
- = symbol_get_value_expression (fixP->fx_addsy)->X_add_symbol;
- }
-
- if (fixP->fx_addsy != NULL)
- add_symbol_segment = S_GET_SEGMENT (fixP->fx_addsy);
-
- if (fixP->fx_subsy != NULL)
- {
- segT sub_symbol_segment;
- resolve_symbol_value (fixP->fx_subsy);
- sub_symbol_segment = S_GET_SEGMENT (fixP->fx_subsy);
- if (fixP->fx_addsy != NULL
- && sub_symbol_segment == add_symbol_segment
- && !TC_FORCE_RELOCATION_SUB_SAME (fixP, add_symbol_segment))
- {
- add_number += S_GET_VALUE (fixP->fx_addsy);
- add_number -= S_GET_VALUE (fixP->fx_subsy);
- fixP->fx_offset = add_number;
- fixP->fx_addsy = NULL;
- fixP->fx_subsy = NULL;
-#ifdef TC_M68K
- /* See the comment below about 68k weirdness. */
- fixP->fx_pcrel = 0;
-#endif
- }
- else if (sub_symbol_segment == absolute_section
- && !TC_FORCE_RELOCATION_SUB_ABS (fixP))
- {
- add_number -= S_GET_VALUE (fixP->fx_subsy);
- fixP->fx_offset = add_number;
- fixP->fx_subsy = NULL;
- }
- else if (sub_symbol_segment == this_segment
- && !TC_FORCE_RELOCATION_SUB_LOCAL (fixP))
- {
- add_number -= S_GET_VALUE (fixP->fx_subsy);
- fixP->fx_offset = (add_number + fixP->fx_dot_value
- + fixP->fx_frag->fr_address);
-
- /* Make it pc-relative. If the back-end code has not
- selected a pc-relative reloc, cancel the adjustment
- we do later on all pc-relative relocs. */
- if (0
-#ifdef TC_M68K
- /* Do this for m68k even if it's already described
- as pc-relative. On the m68k, an operand of
- "pc@(foo-.-2)" should address "foo" in a
- pc-relative mode. */
- || 1
-#endif
- || !fixP->fx_pcrel)
- add_number += MD_PCREL_FROM_SECTION (fixP, this_segment);
- fixP->fx_subsy = NULL;
- fixP->fx_pcrel = 1;
- }
- else if (!TC_VALIDATE_FIX_SUB (fixP))
- {
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("can't resolve `%s' {%s section} - `%s' {%s section}"),
- fixP->fx_addsy ? S_GET_NAME (fixP->fx_addsy) : "0",
- segment_name (add_symbol_segment),
- S_GET_NAME (fixP->fx_subsy),
- segment_name (sub_symbol_segment));
- }
- }
-
- if (fixP->fx_addsy)
- {
- if (add_symbol_segment == this_segment
- && !TC_FORCE_RELOCATION_LOCAL (fixP))
- {
- /* This fixup was made when the symbol's segment was
- SEG_UNKNOWN, but it is now in the local segment.
- So we know how to do the address without relocation. */
- add_number += S_GET_VALUE (fixP->fx_addsy);
- fixP->fx_offset = add_number;
- if (fixP->fx_pcrel)
- add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
- fixP->fx_addsy = NULL;
- fixP->fx_pcrel = 0;
- }
- else if (add_symbol_segment == absolute_section
- && !TC_FORCE_RELOCATION_ABS (fixP))
- {
- add_number += S_GET_VALUE (fixP->fx_addsy);
- fixP->fx_offset = add_number;
- fixP->fx_addsy = NULL;
- }
- else if (add_symbol_segment != undefined_section
-#ifdef BFD_ASSEMBLER
- && ! bfd_is_com_section (add_symbol_segment)
-#endif
- && MD_APPLY_SYM_VALUE (fixP))
- add_number += S_GET_VALUE (fixP->fx_addsy);
- }
-
- if (fixP->fx_pcrel)
- {
- add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
- if (!fixP->fx_done && fixP->fx_addsy == NULL)
- {
- /* There was no symbol required by this relocation.
- However, BFD doesn't really handle relocations
- without symbols well. So fake up a local symbol in
- the absolute section. */
- fixP->fx_addsy = abs_section_sym;
- }
- }
-
- if (!fixP->fx_done)
- md_apply_fix3 (fixP, &add_number, this_segment);
-
- if (!fixP->fx_done)
- {
- ++seg_reloc_count;
- if (fixP->fx_addsy == NULL)
- fixP->fx_addsy = abs_section_sym;
- symbol_mark_used_in_reloc (fixP->fx_addsy);
- if (fixP->fx_subsy != NULL)
- symbol_mark_used_in_reloc (fixP->fx_subsy);
- }
-
- if (!fixP->fx_bit_fixP && !fixP->fx_no_overflow && fixP->fx_size != 0)
- {
- if (fixP->fx_size < sizeof (valueT))
- {
- valueT mask;
-
- mask = 0;
- mask--; /* Set all bits to one. */
- mask <<= fixP->fx_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 + fixP->fx_where);
- if (add_number > 1000)
- sprint_value (buf2, add_number);
- 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"),
- buf2, fixP->fx_size, buf);
- } /* Generic error checking. */
- }
-#ifdef WARN_SIGNED_OVERFLOW_WORD
- /* Warn if a .word value is too large when treated as a signed
- number. We already know it is not too negative. This is to
- catch over-large switches generated by gcc on the 68k. */
- if (!flag_signed_overflow_ok
- && fixP->fx_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"),
- (long) add_number,
- (long) (fragP->fr_address + fixP->fx_where));
-#endif
- } /* Not a bit fix. */
-
-#ifdef TC_VALIDATE_FIX
- skip: ATTRIBUTE_UNUSED_LABEL
- ;
-#endif
-#ifdef DEBUG5
- fprintf (stderr, "result:\n");
- print_fixup (fixP);
-#endif
- } /* For each fixS in this segment. */
-
- TC_ADJUST_RELOC_COUNT (fixP, seg_reloc_count);
- return seg_reloc_count;
-}
-
-#endif /* defined (BFD_ASSEMBLER) || (!defined (BFD) && !defined (OBJ_VMS)) */
-
void
number_to_chars_bigendian (char *buf, valueT val, int n)
{
print_fixup (fixS *fixp)
{
indent_level = 1;
- fprintf (stderr, "fix %lx %s:%d", (long) fixp, fixp->fx_file, fixp->fx_line);
+ fprintf (stderr, "fix ");
+ fprintf_vma (stderr, (bfd_vma)((bfd_hostptr_t) fixp));
+ fprintf (stderr, " %s:%d",fixp->fx_file, fixp->fx_line);
if (fixp->fx_pcrel)
fprintf (stderr, " pcrel");
if (fixp->fx_pcrel_adjust)
fprintf (stderr, " pcrel_adjust=%d", fixp->fx_pcrel_adjust);
- if (fixp->fx_im_disp)
- {
-#ifdef TC_NS32K
- fprintf (stderr, " im_disp=%d", fixp->fx_im_disp);
-#else
- fprintf (stderr, " im_disp");
-#endif
- }
if (fixp->fx_tcbit)
fprintf (stderr, " tcbit");
if (fixp->fx_done)
fprintf (stderr, " done");
- fprintf (stderr, "\n size=%d frag=%lx where=%ld offset=%lx addnumber=%lx",
- fixp->fx_size, (long) fixp->fx_frag, (long) fixp->fx_where,
- (long) fixp->fx_offset, (long) fixp->fx_addnumber);
-#ifdef BFD_ASSEMBLER
+ fprintf (stderr, "\n size=%d frag=", fixp->fx_size);
+ fprintf_vma (stderr, (bfd_vma) ((bfd_hostptr_t) fixp->fx_frag));
+ fprintf (stderr, " where=%ld offset=%lx addnumber=%lx",
+ (long) fixp->fx_where,
+ (unsigned long) fixp->fx_offset,
+ (unsigned long) fixp->fx_addnumber);
fprintf (stderr, "\n %s (%d)", bfd_get_reloc_code_name (fixp->fx_r_type),
fixp->fx_r_type);
-#else
-#ifdef NEED_FX_R_TYPE
- fprintf (stderr, " r_type=%d", fixp->fx_r_type);
-#endif
-#endif
if (fixp->fx_addsy)
{
fprintf (stderr, "\n +<");
projects / deliverable / binutils-gdb.git / blobdiff