/* Support for the generic parts of most COFF variants, for BFD.
- Copyright 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "coffswap.h"
#endif
+#define STRING_SIZE_SIZE (4)
+
+static long sec_to_styp_flags PARAMS ((const char *, flagword));
+static flagword styp_to_sec_flags PARAMS ((bfd *, PTR, const char *));
+static boolean coff_bad_format_hook PARAMS ((bfd *, PTR));
+static void coff_set_custom_section_alignment
+ PARAMS ((bfd *, asection *, const struct coff_section_alignment_entry *,
+ unsigned int));
+static boolean coff_new_section_hook PARAMS ((bfd *, asection *));
+static boolean coff_set_arch_mach_hook PARAMS ((bfd *, PTR));
+static boolean coff_write_relocs PARAMS ((bfd *, int));
+static boolean coff_set_flags
+ PARAMS ((bfd *, unsigned int *, unsigned short *));
+static boolean coff_set_arch_mach
+ PARAMS ((bfd *, enum bfd_architecture, unsigned long));
+static boolean coff_compute_section_file_positions PARAMS ((bfd *));
+static boolean coff_write_object_contents PARAMS ((bfd *));
+static boolean coff_set_section_contents
+ PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
+static PTR buy_and_read PARAMS ((bfd *, file_ptr, int, size_t));
+static boolean coff_slurp_line_table PARAMS ((bfd *, asection *));
+static boolean coff_slurp_symbol_table PARAMS ((bfd *));
+static enum coff_symbol_classification coff_classify_symbol
+ PARAMS ((bfd *, struct internal_syment *));
+static boolean coff_slurp_reloc_table PARAMS ((bfd *, asection *, asymbol **));
+static long coff_canonicalize_reloc
+ PARAMS ((bfd *, asection *, arelent **, asymbol **));
+#ifndef coff_mkobject_hook
+static PTR coff_mkobject_hook PARAMS ((bfd *, PTR, PTR));
+#endif
\f
/* void warning(); */
styp_flags |= STYP_NOLOAD;
#endif
+#ifdef COFF_WITH_PE
+ if (sec_flags & SEC_LINK_ONCE)
+ styp_flags |= IMAGE_SCN_LNK_COMDAT;
+ if (sec_flags & SEC_SHARED)
+ styp_flags |= IMAGE_SCN_MEM_SHARED;
+#endif
+
return (styp_flags);
}
/*
*/
static flagword
styp_to_sec_flags (abfd, hdr, name)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
PTR hdr;
const char *name;
{
section VMA and the file offset match. If we don't know
COFF_PAGE_SIZE, we can't ensure the correct correspondence,
and demand page loading of the file will fail. */
-#ifdef COFF_PAGE_SIZE
+#if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS)
sec_flags |= SEC_DEBUGGING;
#endif
}
}
#endif /* STYP_SDATA */
+#ifdef COFF_WITH_PE
+ if (styp_flags & IMAGE_SCN_LNK_REMOVE)
+ sec_flags |= SEC_EXCLUDE;
+
+ if (styp_flags & IMAGE_SCN_MEM_SHARED)
+ sec_flags |= SEC_SHARED;
+
+ if (styp_flags & IMAGE_SCN_LNK_COMDAT)
+ {
+ sec_flags |= SEC_LINK_ONCE;
+
+ /* Unfortunately, the PE format stores essential information in
+ the symbol table, of all places. We need to extract that
+ information now, so that objdump and the linker will know how
+ to handle the section without worrying about the symbols. We
+ can't call slurp_symtab, because the linker doesn't want the
+ swapped symbols. */
+
+ /* COMDAT sections are special. The first symbol is the section
+ symbol, which tells what kind of COMDAT section it is. The
+ *second* symbol is the "comdat symbol" - the one with the
+ unique name. GNU uses the section symbol for the unique
+ name; MS uses ".text" for every comdat section. Sigh. - DJ */
+
+ if (_bfd_coff_get_external_symbols (abfd))
+ {
+ bfd_byte *esym, *esymend;
+
+ esym = (bfd_byte *) obj_coff_external_syms (abfd);
+ esymend = esym + obj_raw_syment_count (abfd) * SYMESZ;
+
+ while (esym < esymend)
+ {
+ struct internal_syment isym;
+
+ bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym);
+
+ if (sizeof (internal_s->s_name) > SYMNMLEN)
+ {
+ /* This case implies that the matching symbol name
+ will be in the string table. */
+ abort ();
+ }
+
+ if (isym.n_sclass == C_STAT
+ && isym.n_type == T_NULL
+ && isym.n_numaux == 1)
+ {
+ char buf[SYMNMLEN + 1];
+ const char *symname;
+
+ symname = _bfd_coff_internal_syment_name (abfd, &isym, buf);
+ if (symname == NULL)
+ abort ();
+
+ if (strcmp (name, symname) == 0)
+ {
+ union internal_auxent aux;
+
+ /* This is the section symbol. */
+
+ bfd_coff_swap_aux_in (abfd, (PTR) (esym + SYMESZ),
+ isym.n_type, isym.n_sclass,
+ 0, isym.n_numaux, (PTR) &aux);
+
+ /* FIXME: Microsoft uses NODUPLICATES and
+ ASSOCIATIVE, but gnu uses ANY and SAME_SIZE.
+ Unfortunately, gnu doesn't do the comdat
+ symbols right. So, until we can fix it to do
+ the right thing, we are temporarily disabling
+ comdats for the MS types (they're used in
+ DLLs and C++, but we don't support *their*
+ C++ libraries anyway - DJ */
+
+ switch (aux.x_scn.x_comdat)
+ {
+ case IMAGE_COMDAT_SELECT_NODUPLICATES:
+#if 0
+ sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY;
+#else
+ sec_flags &= ~SEC_LINK_ONCE;
+#endif
+ break;
+
+ default:
+ case IMAGE_COMDAT_SELECT_ANY:
+ sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
+ break;
+
+ case IMAGE_COMDAT_SELECT_SAME_SIZE:
+ sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE;
+ break;
+
+ case IMAGE_COMDAT_SELECT_EXACT_MATCH:
+ sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS;
+ break;
+
+ case IMAGE_COMDAT_SELECT_ASSOCIATIVE:
+#if 0
+ /* FIXME: This is not currently implemented. */
+ sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
+#else
+ sec_flags &= ~SEC_LINK_ONCE;
+#endif
+ break;
+ }
+
+ break;
+ }
+ }
+
+ esym += (isym.n_numaux + 1) * SYMESZ;
+ }
+ }
+ }
+#endif
+
+#if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
+ /* As a GNU extension, if the name begins with .gnu.linkonce, we
+ only link a single copy of the section. This is used to support
+ g++. g++ will emit each template expansion in its own section.
+ The symbols will be defined as weak, so that multiple definitions
+ are permitted. The GNU linker extension is to actually discard
+ all but one of the sections. */
+ if (strncmp (name, ".gnu.linkonce", sizeof ".gnu.linkonce" - 1) == 0)
+ sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
+#endif
+
return (sec_flags);
}
CODE_FRAGMENT
+.{* COFF symbol classifications. *}
+.
+.enum coff_symbol_classification
+.{
+. {* Global symbol. *}
+. COFF_SYMBOL_GLOBAL,
+. {* Common symbol. *}
+. COFF_SYMBOL_COMMON,
+. {* Undefined symbol. *}
+. COFF_SYMBOL_UNDEFINED,
+. {* Local symbol. *}
+. COFF_SYMBOL_LOCAL,
+. {* PE section symbol. *}
+. COFF_SYMBOL_PE_SECTION
+.};
+.
Special entry points for gdb to swap in coff symbol table parts:
.typedef struct
.{
. unsigned int _bfd_relsz;
. unsigned int _bfd_linesz;
. boolean _bfd_coff_long_filenames;
+. boolean _bfd_coff_long_section_names;
+. unsigned int _bfd_coff_default_section_alignment_power;
. void (*_bfd_coff_swap_filehdr_in) PARAMS ((
. bfd *abfd,
. PTR ext,
. arelent *r,
. unsigned int shrink,
. struct bfd_link_info *link_info));
-. boolean (*_bfd_coff_sym_is_global) PARAMS ((
+. enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS ((
. bfd *abfd,
. struct internal_syment *));
-. void (*_bfd_coff_compute_section_file_positions) PARAMS ((
+. boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
. bfd *abfd));
. boolean (*_bfd_coff_start_final_link) PARAMS ((
. bfd *output_bfd,
. asection *sec,
. struct internal_reloc *reloc,
. boolean *adjustedp));
+. boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
+. struct bfd_link_info *info,
+. bfd *abfd,
+. const char *name,
+. flagword flags,
+. asection *section,
+. bfd_vma value,
+. const char *string,
+. boolean copy,
+. boolean collect,
+. struct bfd_link_hash_entry **hashp));
+.
+. boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
+. bfd * abfd,
+. struct coff_final_link_info * pfinfo));
+. boolean (*_bfd_coff_final_link_postscript) PARAMS ((
+. bfd * abfd,
+. struct coff_final_link_info * pfinfo));
.
.} bfd_coff_backend_data;
.
.#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
.#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
.#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
+.#define bfd_coff_long_section_names(abfd) \
+. (coff_backend_info (abfd)->_bfd_coff_long_section_names)
+.#define bfd_coff_default_section_alignment_power(abfd) \
+. (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
.#define bfd_coff_swap_filehdr_in(abfd, i,o) \
. ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
.
. ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
. (abfd, section, reloc, shrink, link_info))
.
-.#define bfd_coff_sym_is_global(abfd, sym)\
-. ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
+.#define bfd_coff_classify_symbol(abfd, sym)\
+. ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
. (abfd, sym))
.
.#define bfd_coff_compute_section_file_positions(abfd)\
.#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
. ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
. (obfd, info, ibfd, sec, rel, adjustedp))
+.#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
+. ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
+. (info, abfd, name, flags, section, value, string, cp, coll, hashp))
+.
+.#define bfd_coff_link_output_has_begun(a,p) \
+. ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
+.#define bfd_coff_final_link_postscript(a,p) \
+. ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
.
*/
static boolean
coff_bad_format_hook (abfd, filehdr)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
PTR filehdr;
{
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
return true;
}
-/*
- initialize a section structure with information peculiar to this
- particular implementation of coff
-*/
+/* Check whether this section uses an alignment other than the
+ default. */
+
+static void
+coff_set_custom_section_alignment (abfd, section, alignment_table, table_size)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *section;
+ const struct coff_section_alignment_entry *alignment_table;
+ const unsigned int table_size;
+{
+ const unsigned int default_alignment = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
+ unsigned int i;
+
+ for (i = 0; i < table_size; ++i)
+ {
+ const char *secname = bfd_get_section_name (abfd, section);
+ if (alignment_table[i].comparison_length == (unsigned int) -1
+ ? strcmp (alignment_table[i].name, secname) == 0
+ : strncmp (alignment_table[i].name, secname,
+ alignment_table[i].comparison_length) == 0)
+ break;
+ }
+ if (i >= table_size)
+ return;
+
+ if (alignment_table[i].default_alignment_min != COFF_ALIGNMENT_FIELD_EMPTY
+ && default_alignment < alignment_table[i].default_alignment_min)
+ return;
+
+ if (alignment_table[i].default_alignment_max != COFF_ALIGNMENT_FIELD_EMPTY
+ && default_alignment > alignment_table[i].default_alignment_max)
+ return;
+
+ section->alignment_power = alignment_table[i].alignment_power;
+}
+
+/* Custom section alignment records. */
+
+static const struct coff_section_alignment_entry
+coff_section_alignment_table[] =
+{
+#ifdef COFF_SECTION_ALIGNMENT_ENTRIES
+ COFF_SECTION_ALIGNMENT_ENTRIES,
+#endif
+ /* There must not be any gaps between .stabstr sections. */
+ { COFF_SECTION_NAME_PARTIAL_MATCH (".stabstr"),
+ 1, COFF_ALIGNMENT_FIELD_EMPTY, 0 },
+ /* The .stab section must be aligned to 2**2 at most, to avoid gaps. */
+ { COFF_SECTION_NAME_PARTIAL_MATCH (".stab"),
+ 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
+ /* Similarly for the .ctors and .dtors sections. */
+ { COFF_SECTION_NAME_EXACT_MATCH (".ctors"),
+ 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
+ { COFF_SECTION_NAME_EXACT_MATCH (".dtors"),
+ 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 }
+};
+
+static const unsigned int coff_section_alignment_table_size =
+ sizeof coff_section_alignment_table / sizeof coff_section_alignment_table[0];
+
+/* Initialize a section structure with information peculiar to this
+ particular implementation of COFF. */
static boolean
coff_new_section_hook (abfd, section)
- bfd * abfd;
- asection * section;
+ bfd *abfd;
+ asection *section;
{
+ combined_entry_type *native;
+
section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
#ifdef RS6000COFF_C
/* Allocate aux records for section symbols, to store size and
related info.
- @@ Shouldn't use constant multiplier here! */
- coffsymbol (section->symbol)->native =
- (combined_entry_type *) bfd_zalloc (abfd,
- sizeof (combined_entry_type) * 10);
-
- /* The .stab section must be aligned to 2**2 at most, because
- otherwise there may be gaps in the section which gdb will not
- know how to interpret. Examining the section name is a hack, but
- that is also how gdb locates the section.
- We need to handle the .ctors and .dtors sections similarly, to
- avoid introducing null words in the tables. */
- if (COFF_DEFAULT_SECTION_ALIGNMENT_POWER > 2
- && (strncmp (section->name, ".stab", 5) == 0
- || strcmp (section->name, ".ctors") == 0
- || strcmp (section->name, ".dtors") == 0))
- section->alignment_power = 2;
+ @@ The 10 is a guess at a plausible maximum number of aux entries
+ (but shouldn't be a constant). */
+ native = ((combined_entry_type *)
+ bfd_zalloc (abfd, sizeof (combined_entry_type) * 10));
+ if (native == NULL)
+ return false;
+
+ /* We don't need to set up n_name, n_value, or n_scnum in the native
+ symbol information, since they'll be overriden by the BFD symbol
+ anyhow. However, we do need to set the type and storage class,
+ in case this symbol winds up getting written out. The value 0
+ for n_numaux is already correct. */
+
+ native->u.syment.n_type = T_NULL;
+ native->u.syment.n_sclass = C_STAT;
+
+ coffsymbol (section->symbol)->native = native;
+
+ coff_set_custom_section_alignment (abfd, section,
+ coff_section_alignment_table,
+ coff_section_alignment_table_size);
return true;
}
-#ifdef I960
+#ifdef COFF_ALIGN_IN_SECTION_HEADER
/* Set the alignment of a BFD section. */
+static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR));
+
static void
coff_set_alignment_hook (abfd, section, scnhdr)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
asection * section;
PTR scnhdr;
{
struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
unsigned int i;
+#ifdef I960
+ /* Extract ALIGN from 2**ALIGN stored in section header */
for (i = 0; i < 32; i++)
if ((1 << i) >= hdr->s_align)
break;
+#endif
+#ifdef TIC80COFF
+ /* TI tools hijack bits 8-11 for the alignment */
+ i = (hdr->s_flags >> 8) & 0xF ;
+#endif
section->alignment_power = i;
}
-#elif defined(COFF_WITH_PE)
+#else /* ! COFF_ALIGN_IN_SECTION_HEADER */
+#ifdef COFF_WITH_PE
/* a couple of macros to help setting the alignment power field */
#define ALIGN_SET(field,x,y) \
section->alignment_power = y;\
}
+static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR));
+
static void
coff_set_alignment_hook (abfd, section, scnhdr)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
asection * section;
PTR scnhdr;
{
ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_4BYTES, 2)
ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_2BYTES, 1)
ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_1BYTES, 0)
+
+#ifdef POWERPC_LE_PE
+ if (strcmp (section->name, ".idata$2") == 0)
+ {
+ section->alignment_power = 0;
+ }
+ else if (strcmp (section->name, ".idata$3") == 0)
+ {
+ section->alignment_power = 0;
+ }
+ else if (strcmp (section->name, ".idata$4") == 0)
+ {
+ section->alignment_power = 2;
+ }
+ else if (strcmp (section->name, ".idata$5") == 0)
+ {
+ section->alignment_power = 2;
+ }
+ else if (strcmp (section->name, ".idata$6") == 0)
+ {
+ section->alignment_power = 1;
+ }
+ else if (strcmp (section->name, ".reloc") == 0)
+ {
+ section->alignment_power = 1;
+ }
+ else if (strncmp (section->name, ".stab", 5) == 0)
+ {
+ section->alignment_power = 2;
+ }
+#endif
+
+#ifdef COFF_IMAGE_WITH_PE
+ /* In a PE image file, the s_paddr field holds the virtual size of a
+ section, while the s_size field holds the raw size. */
+ if (hdr->s_paddr != 0)
+ {
+ if (coff_section_data (abfd, section) == NULL)
+ {
+ section->used_by_bfd =
+ (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata));
+ if (section->used_by_bfd == NULL)
+ {
+ /* FIXME: Return error. */
+ abort ();
+ }
+ }
+ if (pei_section_data (abfd, section) == NULL)
+ {
+ coff_section_data (abfd, section)->tdata =
+ (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata));
+ if (coff_section_data (abfd, section)->tdata == NULL)
+ {
+ /* FIXME: Return error. */
+ abort ();
+ }
+ }
+ pei_section_data (abfd, section)->virt_size = hdr->s_paddr;
+ }
+#endif
+
+#ifdef COFF_WITH_PE
+ section->lma = hdr->s_vaddr;
+#endif
}
#undef ALIGN_SET
#undef ELIFALIGN_SET
-#else /* ! I960 */
+#else /* ! COFF_WITH_PE */
+#ifdef RS6000COFF_C
+
+/* We grossly abuse this function to handle XCOFF overflow headers.
+ When we see one, we correct the reloc and line number counts in the
+ real header, and remove the section we just created. */
+
+static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR));
+
+static void
+coff_set_alignment_hook (abfd, section, scnhdr)
+ bfd *abfd;
+ asection *section;
+ PTR scnhdr;
+{
+ struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
+ asection *real_sec;
+ asection **ps;
+
+ if ((hdr->s_flags & STYP_OVRFLO) == 0)
+ return;
+
+ real_sec = coff_section_from_bfd_index (abfd, hdr->s_nreloc);
+ if (real_sec == NULL)
+ return;
+
+ real_sec->reloc_count = hdr->s_paddr;
+ real_sec->lineno_count = hdr->s_vaddr;
+
+ for (ps = &abfd->sections; *ps != NULL; ps = &(*ps)->next)
+ {
+ if (*ps == section)
+ {
+ *ps = (*ps)->next;
+ --abfd->section_count;
+ break;
+ }
+ }
+}
+
+#else /* ! RS6000COFF_C */
#define coff_set_alignment_hook \
((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void)
-#endif /* ! I960 */
+#endif /* ! RS6000COFF_C */
+#endif /* ! COFF_WITH_PE */
+#endif /* ! COFF_ALIGN_IN_SECTION_HEADER */
#ifndef coff_mkobject
+
+static boolean coff_mkobject PARAMS ((bfd *));
+
static boolean
coff_mkobject (abfd)
bfd * abfd;
abfd->tdata.coff_obj_data = (struct coff_tdata *) bfd_zalloc (abfd, sizeof (coff_data_type));
if (abfd->tdata.coff_obj_data == 0)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
coff = coff_data (abfd);
coff->symbols = (coff_symbol_type *) NULL;
coff->conversion_table = (unsigned int *) NULL;
coff_mkobject_hook (abfd, filehdr, aouthdr)
bfd * abfd;
PTR filehdr;
- PTR aouthdr;
+ PTR aouthdr ATTRIBUTE_UNUSED;
{
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
coff_data_type *coff;
xcoff = xcoff_data (abfd);
xcoff->full_aouthdr = true;
xcoff->toc = internal_a->o_toc;
- if (internal_a->o_sntoc == 0)
- xcoff->toc_section = NULL;
- else
- xcoff->toc_section =
- coff_section_from_bfd_index (abfd, internal_a->o_sntoc);
- if (internal_a->o_snentry == 0)
- xcoff->entry_section = NULL;
- else
- xcoff->entry_section =
- coff_section_from_bfd_index (abfd, internal_a->o_snentry);
+ xcoff->sntoc = internal_a->o_sntoc;
+ xcoff->snentry = internal_a->o_snentry;
xcoff->text_align_power = internal_a->o_algntext;
xcoff->data_align_power = internal_a->o_algndata;
xcoff->modtype = internal_a->o_modtype;
}
#endif
+#ifdef ARM
+ /* Set the flags field from the COFF header read in */
+ if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags))
+ coff->flags = 0;
+#endif
+
return (PTR) coff;
}
#endif
#ifdef ARMMAGIC
case ARMMAGIC:
arch = bfd_arch_arm;
- machine =0;
+ switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK)
+ {
+ case F_ARM_2: machine = bfd_mach_arm_2; break;
+ case F_ARM_2a: machine = bfd_mach_arm_2a; break;
+ case F_ARM_3: machine = bfd_mach_arm_3; break;
+ default:
+ case F_ARM_3M: machine = bfd_mach_arm_3M; break;
+ case F_ARM_4: machine = bfd_mach_arm_4; break;
+ case F_ARM_4T: machine = bfd_mach_arm_4T; break;
+ case F_ARM_5: machine = bfd_mach_arm_5; break;
+ }
break;
#endif
#ifdef MC68MAGIC
case LYNXCOFFMAGIC:
#endif
arch = bfd_arch_m68k;
- machine = 68020;
+ machine = bfd_mach_m68020;
break;
#endif
#ifdef MC88MAGIC
case F_I960KA:
machine = bfd_mach_i960_ka_sa;
break;
- /* start-sanitize-i960xl */
- case F_I960XL:
- machine = bfd_mach_i960_xl;
+ case F_I960JX:
+ machine = bfd_mach_i960_jx;
+ break;
+ case F_I960HX:
+ machine = bfd_mach_i960_hx;
break;
- /* end-sanitize-i960xl */
}
break;
#endif
(because that's how they were bootstrapped originally),
but they are always PowerPC architecture. */
arch = bfd_arch_powerpc;
- machine = 601;
+ machine = 0;
#else
arch = bfd_arch_rs6000;
machine = 6000;
break;
#endif
+#ifdef H8300SMAGIC
+ case H8300SMAGIC:
+ arch = bfd_arch_h8300;
+ machine = bfd_mach_h8300s;
+ /* !! FIXME this probably isn't the right place for this */
+ abfd->flags |= BFD_IS_RELAXABLE;
+ break;
+#endif
+
#ifdef SH_ARCH_MAGIC_BIG
case SH_ARCH_MAGIC_BIG:
case SH_ARCH_MAGIC_LITTLE:
break;
#endif
+#ifdef TIC30MAGIC
+ case TIC30MAGIC:
+ arch = bfd_arch_tic30;
+ break;
+#endif
+
+#ifdef TIC80_ARCH_MAGIC
+ case TIC80_ARCH_MAGIC:
+ arch = bfd_arch_tic80;
+ break;
+#endif
+
+#ifdef MCOREMAGIC
+ case MCOREMAGIC:
+ arch = bfd_arch_mcore;
+ break;
+#endif
default: /* Unreadable input file type */
arch = bfd_arch_obscure;
break;
#ifdef SYMNAME_IN_DEBUG
+static boolean symname_in_debug_hook
+ PARAMS ((bfd *, struct internal_syment *));
+
static boolean
symname_in_debug_hook (abfd, sym)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
struct internal_syment *sym;
{
return SYMNAME_IN_DEBUG (sym) ? true : false;
/*ARGSUSED*/
static boolean
coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
combined_entry_type *table_base;
combined_entry_type *symbol;
unsigned int indaux;
/*ARGSUSED*/
static boolean
coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux)
- bfd *abfd;
- combined_entry_type *table_base;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ combined_entry_type *table_base ATTRIBUTE_UNUSED;
combined_entry_type *symbol;
unsigned int indaux;
- combined_entry_type *aux;
+ combined_entry_type *aux ATTRIBUTE_UNUSED;
{
/* Return true if we don't want to pointerize this aux entry, which
is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */
- return indaux == 1 && symbol->u.syment.n_sclass == C_LEAFPROC;
+ return (indaux == 1
+ && (symbol->u.syment.n_sclass == C_LEAFPROC
+ || symbol->u.syment.n_sclass == C_LEAFSTAT
+ || symbol->u.syment.n_sclass == C_LEAFEXT));
}
#else /* ! I960 */
static boolean
coff_print_aux (abfd, file, table_base, symbol, aux, indaux)
- bfd *abfd;
- FILE *file;
- combined_entry_type *table_base;
- combined_entry_type *symbol;
- combined_entry_type *aux;
- unsigned int indaux;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ FILE *file ATTRIBUTE_UNUSED;
+ combined_entry_type *table_base ATTRIBUTE_UNUSED;
+ combined_entry_type *symbol ATTRIBUTE_UNUSED;
+ combined_entry_type *aux ATTRIBUTE_UNUSED;
+ unsigned int indaux ATTRIBUTE_UNUSED;
{
#ifdef RS6000COFF_C
if ((symbol->u.syment.n_sclass == C_EXT
*/
+#ifdef TARG_AUX
+
+static int compare_arelent_ptr PARAMS ((const PTR, const PTR));
+
+/* AUX's ld wants relocations to be sorted */
+static int
+compare_arelent_ptr (x, y)
+ const PTR x;
+ const PTR y;
+{
+ const arelent **a = (const arelent **) x;
+ const arelent **b = (const arelent **) y;
+ bfd_size_type aadr = (*a)->address;
+ bfd_size_type badr = (*b)->address;
+
+ return (aadr < badr ? -1 : badr < aadr ? 1 : 0);
+}
+
+#endif /* TARG_AUX */
+
static boolean
coff_write_relocs (abfd, first_undef)
bfd * abfd;
int first_undef;
{
asection *s;
+
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
{
unsigned int i;
struct external_reloc dst;
+ arelent **p;
+
+#ifndef TARG_AUX
+ p = s->orelocation;
+#else
+ /* sort relocations before we write them out */
+ p = (arelent **) bfd_malloc (s->reloc_count * sizeof (arelent *));
+ if (p == NULL && s->reloc_count > 0)
+ return false;
+ memcpy (p, s->orelocation, s->reloc_count * sizeof (arelent *));
+ qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr);
+#endif
- arelent **p = s->orelocation;
if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0)
return false;
for (i = 0; i < s->reloc_count; i++)
if (bfd_write ((PTR) & dst, 1, RELSZ, abfd) != RELSZ)
return false;
}
+
+#ifdef TARG_AUX
+ if (p != NULL)
+ free (p);
+#endif
}
return true;
static boolean
coff_set_flags (abfd, magicp, flagsp)
bfd * abfd;
- unsigned *magicp;
- unsigned short *flagsp;
+ unsigned int *magicp ATTRIBUTE_UNUSED;
+ unsigned short *flagsp ATTRIBUTE_UNUSED;
{
switch (bfd_get_arch (abfd))
{
case bfd_mach_i960_ka_sa:
flags = F_I960KA;
break;
- /* start-sanitize-i960xl */
- case bfd_mach_i960_xl:
- flags = F_I960XL;
+ case bfd_mach_i960_jx:
+ flags = F_I960JX;
+ break;
+ case bfd_mach_i960_hx:
+ flags = F_I960HX;
break;
- /* end-sanitize-i960xl */
default:
return false;
}
}
break;
#endif
+
+#ifdef TIC30MAGIC
+ case bfd_arch_tic30:
+ *magicp = TIC30MAGIC;
+ return true;
+#endif
+#ifdef TIC80_ARCH_MAGIC
+ case bfd_arch_tic80:
+ *magicp = TIC80_ARCH_MAGIC;
+ return true;
+#endif
#ifdef ARMMAGIC
case bfd_arch_arm:
- *magicp = ARMMAGIC;
+ * magicp = ARMMAGIC;
+ * flagsp = 0;
+ if (APCS_SET (abfd))
+ {
+ if (APCS_26_FLAG (abfd))
+ * flagsp |= F_APCS26;
+
+ if (APCS_FLOAT_FLAG (abfd))
+ * flagsp |= F_APCS_FLOAT;
+
+ if (PIC_FLAG (abfd))
+ * flagsp |= F_PIC;
+ }
+ if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd))
+ * flagsp |= F_INTERWORK;
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_arm_2: * flagsp |= F_ARM_2; break;
+ case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break;
+ case bfd_mach_arm_3: * flagsp |= F_ARM_3; break;
+ case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break;
+ case bfd_mach_arm_4: * flagsp |= F_ARM_4; break;
+ case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break;
+ case bfd_mach_arm_5: * flagsp |= F_ARM_5; break;
+ case bfd_mach_arm_5T: * flagsp |= F_ARM_5; break; /* XXX - we do not have an F_ARM_5T */
+ }
return true;
#endif
#ifdef PPCMAGIC
case bfd_arch_m68k:
#ifdef APOLLOM68KMAGIC
*magicp = APOLLO_COFF_VERSION_NUMBER;
+#else
+ /* NAMES_HAVE_UNDERSCORE may be defined by coff-u68k.c. */
+#ifdef NAMES_HAVE_UNDERSCORE
+ *magicp = MC68KBCSMAGIC;
#else
*magicp = MC68MAGIC;
#endif
+#endif
#ifdef LYNXOS
/* Just overwrite the usual value if we're doing Lynx. */
*magicp = LYNXCOFFMAGIC;
case bfd_mach_h8300h:
*magicp = H8300HMAGIC;
return true;
+ case bfd_mach_h8300s:
+ *magicp = H8300SMAGIC;
+ return true;
}
break;
#endif
#ifdef SH_ARCH_MAGIC_BIG
case bfd_arch_sh:
- if (abfd->xvec->byteorder_big_p)
+ if (bfd_big_endian (abfd))
*magicp = SH_ARCH_MAGIC_BIG;
else
*magicp = SH_ARCH_MAGIC_LITTLE;
#endif
#ifdef A29K_MAGIC_BIG
case bfd_arch_a29k:
- if (abfd->xvec->byteorder_big_p)
+ if (bfd_big_endian (abfd))
*magicp = A29K_MAGIC_BIG;
else
*magicp = A29K_MAGIC_LITTLE;
break;
#endif
+#ifdef MCOREMAGIC
+ case bfd_arch_mcore:
+ * magicp = MCOREMAGIC;
+ return true;
+#endif
+
default: /* Unknown architecture */
/* return false; -- fall through to "return false" below, to avoid
"statement never reached" errors on the one below. */
/* Calculate the file position for each section. */
-static void
+#ifndef I960
+#define ALIGN_SECTIONS_IN_FILE
+#endif
+#ifdef TIC80COFF
+#undef ALIGN_SECTIONS_IN_FILE
+#endif
+
+static boolean
coff_compute_section_file_positions (abfd)
bfd * abfd;
{
asection *current;
asection *previous = (asection *) NULL;
file_ptr sofar = FILHSZ;
-
-#ifndef I960
+ boolean align_adjust;
+ unsigned int count;
+#ifdef ALIGN_SECTIONS_IN_FILE
file_ptr old_sofar;
#endif
- unsigned int count;
+#ifdef RS6000COFF_C
+ /* On XCOFF, if we have symbols, set up the .debug section. */
+ if (bfd_get_symcount (abfd) > 0)
+ {
+ bfd_size_type sz;
+ bfd_size_type i, symcount;
+ asymbol **symp;
+
+ sz = 0;
+ symcount = bfd_get_symcount (abfd);
+ for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++)
+ {
+ coff_symbol_type *cf;
+
+ cf = coff_symbol_from (abfd, *symp);
+ if (cf != NULL
+ && cf->native != NULL
+ && SYMNAME_IN_DEBUG (&cf->native->u.syment))
+ {
+ size_t len;
+
+ len = strlen (bfd_asymbol_name (*symp));
+ if (len > SYMNMLEN)
+ sz += len + 3;
+ }
+ }
+ if (sz > 0)
+ {
+ asection *dsec;
+
+ dsec = bfd_make_section_old_way (abfd, ".debug");
+ if (dsec == NULL)
+ abort ();
+ dsec->_raw_size = sz;
+ dsec->flags |= SEC_HAS_CONTENTS;
+ }
+ }
+#endif
#ifdef COFF_IMAGE_WITH_PE
int page_size;
}
else
page_size = PE_DEF_FILE_ALIGNMENT;
-#elif defined (COFF_PAGE_SIZE)
+#else
+#ifdef COFF_PAGE_SIZE
int page_size = COFF_PAGE_SIZE;
+#endif
#endif
if (bfd_get_start_address (abfd))
#endif
sofar += abfd->section_count * SCNHSZ;
+
+#ifdef RS6000COFF_C
+ /* XCOFF handles overflows in the reloc and line number count fields
+ by allocating a new section header to hold the correct counts. */
+ for (current = abfd->sections; current != NULL; current = current->next)
+ if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
+ sofar += SCNHSZ;
+#endif
+
+ align_adjust = false;
for (current = abfd->sections, count = 1;
current != (asection *) NULL;
current = current->next, ++count)
{
- current->target_index = count;
-
- /* Only deal with sections which have contents */
- if (!(current->flags & SEC_HAS_CONTENTS))
- continue;
-
-#ifdef COFF_WITH_PE
- /* Do not include the .junk section. This is where we collect section
- data which we don't need. This is mainly the MS .debug$ data which
- stores codeview debug data. */
- if (strcmp (current->name, ".junk") == 0)
- {
+#ifdef COFF_IMAGE_WITH_PE
+ /* The NT loader does not want empty section headers, so we omit
+ them. We don't actually remove the section from the BFD,
+ although we probably should. This matches code in
+ coff_write_object_contents. */
+ if (current->_raw_size == 0)
+ {
+ current->target_index = -1;
+ --count;
continue;
- }
+ }
#endif
+ current->target_index = count;
+
+ /* Only deal with sections which have contents */
+ if (!(current->flags & SEC_HAS_CONTENTS))
+ continue;
+
/* Align the sections in the file to the same boundary on
which they are aligned in virtual memory. I960 doesn't
do this (FIXME) so we can stay in sync with Intel. 960
doesn't yet page from files... */
-#ifndef I960
- {
- /* make sure this section is aligned on the right boundary - by
- padding the previous section up if necessary */
+#ifdef ALIGN_SECTIONS_IN_FILE
+ if ((abfd->flags & EXEC_P) != 0)
+ {
+ /* make sure this section is aligned on the right boundary - by
+ padding the previous section up if necessary */
- old_sofar = sofar;
- sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
- if (previous != (asection *) NULL)
- {
- previous->_raw_size += sofar - old_sofar;
- }
- }
+ old_sofar = sofar;
+ sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
+ if (previous != (asection *) NULL)
+ {
+ previous->_raw_size += sofar - old_sofar;
+ }
+ }
#endif
current->filepos = sofar;
#ifdef COFF_IMAGE_WITH_PE
- /* With PE we have to pad each section to be a multiple of its page size
- too, and remember both sizes. Cooked_size becomes very useful. */
- current->_cooked_size = current->_raw_size;
+ /* With PE we have to pad each section to be a multiple of its
+ page size too, and remember both sizes. */
+
+ if (coff_section_data (abfd, current) == NULL)
+ {
+ current->used_by_bfd =
+ (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata));
+ if (current->used_by_bfd == NULL)
+ return false;
+ }
+ if (pei_section_data (abfd, current) == NULL)
+ {
+ coff_section_data (abfd, current)->tdata =
+ (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata));
+ if (coff_section_data (abfd, current)->tdata == NULL)
+ return false;
+ }
+ if (pei_section_data (abfd, current)->virt_size == 0)
+ pei_section_data (abfd, current)->virt_size = current->_raw_size;
+
current->_raw_size = (current->_raw_size + page_size -1) & -page_size;
#endif
sofar += current->_raw_size;
-#ifndef I960
+#ifdef ALIGN_SECTIONS_IN_FILE
/* make sure that this section is of the right size too */
- old_sofar = sofar;
- sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
- current->_raw_size += sofar - old_sofar;
+ if ((abfd->flags & EXEC_P) == 0)
+ {
+ bfd_size_type old_size;
+
+ old_size = current->_raw_size;
+ current->_raw_size = BFD_ALIGN (current->_raw_size,
+ 1 << current->alignment_power);
+ align_adjust = current->_raw_size != old_size;
+ sofar += current->_raw_size - old_size;
+ }
+ else
+ {
+ old_sofar = sofar;
+ sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
+ align_adjust = sofar != old_sofar;
+ current->_raw_size += sofar - old_sofar;
+ }
+#endif
+
+#ifdef COFF_IMAGE_WITH_PE
+ /* For PE we need to make sure we pad out to the aligned
+ _raw_size, in case the caller only writes out data to the
+ unaligned _raw_size. */
+ if (pei_section_data (abfd, current)->virt_size < current->_raw_size)
+ align_adjust = true;
#endif
#ifdef _LIB
previous = current;
}
+ /* It is now safe to write to the output file. If we needed an
+ alignment adjustment for the last section, then make sure that
+ there is a byte at offset sofar. If there are no symbols and no
+ relocs, then nothing follows the last section. If we don't force
+ the last byte out, then the file may appear to be truncated. */
+ if (align_adjust)
+ {
+ bfd_byte b;
+
+ b = 0;
+ if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0
+ || bfd_write (&b, 1, 1, abfd) != 1)
+ return false;
+ }
+
+ /* Make sure the relocations are aligned. We don't need to make
+ sure that this byte exists, because it will only matter if there
+ really are relocs. */
+ sofar = BFD_ALIGN (sofar, 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER);
+
obj_relocbase (abfd) = sofar;
abfd->output_has_begun = true;
+ return true;
}
-#ifndef RS6000COFF_C
+#if 0
+
+/* This can never work, because it is called too late--after the
+ section positions have been set. I can't figure out what it is
+ for, so I am going to disable it--Ian Taylor 20 March 1996. */
/* If .file, .text, .data, .bss symbols are missing, add them. */
/* @@ Should we only be adding missing symbols, or overriding the aux
if (!need_text && !need_data && !need_bss && !need_file)
return true;
nsyms += need_text + need_data + need_bss + need_file;
- sympp2 = (asymbol **) bfd_alloc_by_size_t (abfd, nsyms * sizeof (asymbol *));
+ sympp2 = (asymbol **) bfd_alloc (abfd, nsyms * sizeof (asymbol *));
if (!sympp2)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
memcpy (sympp2, sympp, i * sizeof (asymbol *));
if (need_file)
{
return true;
}
-#endif /* ! defined (RS6000COFF_C) */
-
-
+#endif /* 0 */
/* SUPPRESS 558 */
/* SUPPRESS 529 */
file_ptr sym_base;
unsigned long reloc_size = 0;
unsigned long lnno_size = 0;
+ boolean long_section_names;
asection *text_sec = NULL;
asection *data_sec = NULL;
asection *bss_sec = NULL;
-
struct internal_filehdr internal_f;
struct internal_aouthdr internal_a;
+#ifdef COFF_LONG_SECTION_NAMES
+ size_t string_size = STRING_SIZE_SIZE;
+#endif
bfd_set_error (bfd_error_system_call);
- if (abfd->output_has_begun == false)
- coff_compute_section_file_positions (abfd);
-
- reloc_base = obj_relocbase (abfd);
-
/* Make a pass through the symbol table to count line number entries and
put them into the correct asections */
lnno_size = coff_count_linenumbers (abfd) * LINESZ;
+ if (abfd->output_has_begun == false)
+ {
+ if (! coff_compute_section_file_positions (abfd))
+ return false;
+ }
+
+ reloc_base = obj_relocbase (abfd);
+
/* Work out the size of the reloc and linno areas */
for (current = abfd->sections; current != NULL; current =
if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
return false;
+ long_section_names = false;
for (current = abfd->sections;
current != NULL;
current = current->next)
struct internal_scnhdr section;
#ifdef COFF_WITH_PE
- /* Do not include the .junk section. This is where we collect section
- data which we don't need. This is mainly the MS .debug$ data which
- stores codeview debug data. */
- if (strcmp (current->name, ".junk") == 0)
- {
- continue;
- }
-
/* If we've got a .reloc section, remember. */
#ifdef COFF_IMAGE_WITH_PE
#endif
internal_f.f_nscns++;
- strncpy (&(section.s_name[0]), current->name, 8);
+
+ strncpy (section.s_name, current->name, SCNNMLEN);
+
+#ifdef COFF_LONG_SECTION_NAMES
+ /* Handle long section names as in PE. This must be compatible
+ with the code in coff_write_symbols. */
+ {
+ size_t len;
+
+ len = strlen (current->name);
+ if (len > SCNNMLEN)
+ {
+ memset (section.s_name, 0, SCNNMLEN);
+ sprintf (section.s_name, "/%lu", (unsigned long) string_size);
+ string_size += len + 1;
+ long_section_names = true;
+ }
+ }
+#endif
+
#ifdef _LIB
/* Always set s_vaddr of .lib to 0. This is right for SVR3.2
Ian Taylor <ian@cygnus.com>. */
section.s_vaddr = 0;
else
#endif
- section.s_vaddr = current->lma;
+ section.s_vaddr = current->vma;
section.s_paddr = current->lma;
section.s_size = current->_raw_size;
#ifdef COFF_WITH_PE
- section.s_paddr = current->_cooked_size;
+ section.s_paddr = 0;
+#endif
+#ifdef COFF_IMAGE_WITH_PE
+ /* Reminder: s_paddr holds the virtual size of the section. */
+ if (coff_section_data (abfd, current) != NULL
+ && pei_section_data (abfd, current) != NULL)
+ section.s_paddr = pei_section_data (abfd, current)->virt_size;
+ else
+ section.s_paddr = 0;
#endif
/*
if (current->lineno_count != 0)
haslinno = true;
+#ifdef RS6000COFF_C
+ /* Indicate the use of an XCOFF overflow section header. */
+ if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
+ {
+ section.s_nreloc = 0xffff;
+ section.s_nlnno = 0xffff;
+ }
+#endif
+
section.s_flags = sec_to_styp_flags (current->name, current->flags);
if (!strcmp (current->name, _TEXT))
section.s_align = (current->alignment_power
? 1 << current->alignment_power
: 0);
-
+#else
+#ifdef TIC80COFF
+ section.s_flags |= (current->alignment_power & 0xF) << 8;
+#endif
#endif
#ifdef COFF_IMAGE_WITH_PE
|| bfd_write ((PTR) (&buff), 1, SCNHSZ, abfd) != SCNHSZ)
return false;
}
+
+#ifdef COFF_WITH_PE
+ /* PE stores COMDAT section information in the symbol table. If
+ this section is supposed to have some COMDAT info, track down
+ the symbol in the symbol table and modify it. */
+ if ((current->flags & SEC_LINK_ONCE) != 0)
+ {
+ unsigned int i, count;
+ asymbol **psym;
+ coff_symbol_type *csym = NULL;
+ asymbol **psymsec;
+
+ psymsec = NULL;
+ count = bfd_get_symcount (abfd);
+ for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++)
+ {
+ if ((*psym)->section != current)
+ continue;
+
+ /* Remember the location of the first symbol in this
+ section. */
+ if (psymsec == NULL)
+ psymsec = psym;
+
+ /* See if this is the section symbol. */
+ if (strcmp ((*psym)->name, current->name) == 0)
+ {
+ csym = coff_symbol_from (abfd, *psym);
+ if (csym == NULL
+ || csym->native == NULL
+ || csym->native->u.syment.n_numaux < 1
+ || csym->native->u.syment.n_sclass != C_STAT
+ || csym->native->u.syment.n_type != T_NULL)
+ continue;
+
+ /* Here *PSYM is the section symbol for CURRENT. */
+
+ break;
+ }
+ }
+
+ /* Did we find it?
+ Note that we might not if we're converting the file from
+ some other object file format. */
+ if (i < count)
+ {
+ combined_entry_type *aux;
+
+ /* We don't touch the x_checksum field. The
+ x_associated field is not currently supported. */
+
+ aux = csym->native + 1;
+ switch (current->flags & SEC_LINK_DUPLICATES)
+ {
+ case SEC_LINK_DUPLICATES_DISCARD:
+ aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY;
+ break;
+
+ case SEC_LINK_DUPLICATES_ONE_ONLY:
+ aux->u.auxent.x_scn.x_comdat =
+ IMAGE_COMDAT_SELECT_NODUPLICATES;
+ break;
+
+ case SEC_LINK_DUPLICATES_SAME_SIZE:
+ aux->u.auxent.x_scn.x_comdat =
+ IMAGE_COMDAT_SELECT_SAME_SIZE;
+ break;
+
+ case SEC_LINK_DUPLICATES_SAME_CONTENTS:
+ aux->u.auxent.x_scn.x_comdat =
+ IMAGE_COMDAT_SELECT_EXACT_MATCH;
+ break;
+ }
+
+ /* The COMDAT symbol must be the first symbol from this
+ section in the symbol table. In order to make this
+ work, we move the COMDAT symbol before the first
+ symbol we found in the search above. It's OK to
+ rearrange the symbol table at this point, because
+ coff_renumber_symbols is going to rearrange it
+ further and fix up all the aux entries. */
+ if (psym != psymsec)
+ {
+ asymbol *hold;
+ asymbol **pcopy;
+
+ hold = *psym;
+ for (pcopy = psym; pcopy > psymsec; pcopy--)
+ pcopy[0] = pcopy[-1];
+ *psymsec = hold;
+ }
+ }
+ }
+#endif /* COFF_WITH_PE */
}
+#ifdef RS6000COFF_C
+ /* XCOFF handles overflows in the reloc and line number count fields
+ by creating a new section header to hold the correct values. */
+ for (current = abfd->sections; current != NULL; current = current->next)
+ {
+ if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
+ {
+ struct internal_scnhdr scnhdr;
+ SCNHDR buff;
+ internal_f.f_nscns++;
+ strncpy (&(scnhdr.s_name[0]), current->name, 8);
+ scnhdr.s_paddr = current->reloc_count;
+ scnhdr.s_vaddr = current->lineno_count;
+ scnhdr.s_size = 0;
+ scnhdr.s_scnptr = 0;
+ scnhdr.s_relptr = current->rel_filepos;
+ scnhdr.s_lnnoptr = current->line_filepos;
+ scnhdr.s_nreloc = current->target_index;
+ scnhdr.s_nlnno = current->target_index;
+ scnhdr.s_flags = STYP_OVRFLO;
+ if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0
+ || bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ)
+ return false;
+ }
+ }
+#endif
/* OK, now set up the filehdr... */
internal_f.f_flags |= F_EXEC;
/* FIXME: this is wrong for PPC_PE! */
- if (!abfd->xvec->byteorder_big_p)
+ if (bfd_little_endian (abfd))
internal_f.f_flags |= F_AR32WR;
else
internal_f.f_flags |= F_AR32W;
+#ifdef TIC80_TARGET_ID
+ internal_f.f_target_id = TIC80_TARGET_ID;
+#endif
+
/*
FIXME, should do something about the other byte orders and
architectures.
internal_a.magic = NMAGIC; /* Assume separate i/d */
#define __A_MAGIC_SET__
#endif /* A29K */
+#ifdef TIC80COFF
+ internal_a.magic = TIC80_ARCH_MAGIC;
+#define __A_MAGIC_SET__
+#endif /* TIC80 */
#ifdef I860
/* FIXME: What are the a.out magic numbers for the i860? */
internal_a.magic = 0;
#if defined(LYNXOS)
internal_a.magic = LYNXCOFFMAGIC;
#else
+#if defined(TARG_AUX)
+ internal_a.magic = (abfd->flags & D_PAGED ? PAGEMAGICPEXECPAGED :
+ abfd->flags & WP_TEXT ? PAGEMAGICPEXECSWAPPED :
+ PAGEMAGICEXECSWAPPED);
+#else
#if defined (PAGEMAGICPEXECPAGED)
internal_a.magic = PAGEMAGICPEXECPAGED;
#endif
+#endif /* TARG_AUX */
#endif /* LYNXOS */
#endif /* M68 || WE32K || M68K */
#define __A_MAGIC_SET__
internal_a.magic = ZMAGIC;
#endif
-#if defined(PPC)
+
+#if defined(PPC_PE)
#define __A_MAGIC_SET__
internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
#endif
+
+#if defined MCORE_PE
+#define __A_MAGIC_SET__
+ internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
+#endif
+
#if defined(I386)
#define __A_MAGIC_SET__
#if defined(LYNXOS)
#endif /* LYNXOS */
#endif /* SPARC */
-#if RS6000COFF_C
+#ifdef RS6000COFF_C
#define __A_MAGIC_SET__
internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
(abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
if (bfd_get_symcount (abfd) != 0)
{
int firstundef;
-#ifndef RS6000COFF_C
+#if 0
if (!coff_add_missing_symbols (abfd))
return false;
#endif
if (! coff_write_relocs (abfd, firstundef))
return false;
}
+#ifdef COFF_LONG_SECTION_NAMES
+ else if (long_section_names)
+ {
+ /* If we have long section names we have to write out the string
+ table even if there are no symbols. */
+ if (! coff_write_symbols (abfd))
+ return false;
+ }
+#endif
+#ifdef COFF_IMAGE_WITH_PE
+#ifdef PPC_PE
+ else if ((abfd->flags & EXEC_P) != 0)
+ {
+ bfd_byte b;
+
+ /* PowerPC PE appears to require that all executable files be
+ rounded up to the page size. */
+ b = 0;
+ if (bfd_seek (abfd,
+ BFD_ALIGN (sym_base, COFF_PAGE_SIZE) - 1,
+ SEEK_SET) != 0
+ || bfd_write (&b, 1, 1, abfd) != 1)
+ return false;
+ }
+#endif
+#endif
/* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
backend linker, and obj_raw_syment_count is not valid until after
}
else
{
- internal_f.f_symptr = 0;
+ if (long_section_names)
+ internal_f.f_symptr = sym_base;
+ else
+ internal_f.f_symptr = 0;
internal_f.f_flags |= F_LSYMS;
}
internal_a.vstamp = 1;
- if (xcoff_data (abfd)->entry_section != NULL)
- internal_a.o_snentry = xcoff_data (abfd)->entry_section->target_index;
- else
- {
- internal_a.o_snentry = 0;
- if (internal_a.entry == 0)
- internal_a.entry = (bfd_vma) -1;
- }
+ internal_a.o_snentry = xcoff_data (abfd)->snentry;
+ if (internal_a.o_snentry == 0)
+ internal_a.entry = (bfd_vma) -1;
if (text_sec != NULL)
{
toc = xcoff_data (abfd)->toc;
internal_a.o_toc = toc;
- if (xcoff_data (abfd)->toc_section == NULL)
- internal_a.o_sntoc = 0;
- else
- internal_a.o_sntoc = xcoff_data (abfd)->toc_section->target_index;
+ internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
internal_a.o_modtype = xcoff_data (abfd)->modtype;
if (xcoff_data (abfd)->cputype != -1)
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return false;
{
- FILHDR buff;
- coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) & buff);
- if (bfd_write ((PTR) & buff, 1, FILHSZ, abfd) != FILHSZ)
+ char buff[FILHSZ];
+ coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) buff);
+ if (bfd_write ((PTR) buff, 1, FILHSZ, abfd) != FILHSZ)
return false;
}
if (abfd->flags & EXEC_P)
{
- AOUTHDR buff;
- coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) & buff);
- if (bfd_write ((PTR) & buff, 1, AOUTSZ, abfd) != AOUTSZ)
+ /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR.
+ include/coff/pe.h sets AOUTSZ == sizeof(PEAOUTHDR)) */
+ char buff[AOUTSZ];
+ coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff);
+ if (bfd_write ((PTR) buff, 1, AOUTSZ, abfd) != AOUTSZ)
return false;
}
#ifdef RS6000COFF_C
bfd_size_type count;
{
if (abfd->output_has_begun == false) /* set by bfd.c handler */
- coff_compute_section_file_positions (abfd);
+ {
+ if (! coff_compute_section_file_positions (abfd))
+ return false;
+ }
+
+#if defined(_LIB) && !defined(TARG_AUX)
+
+ /* The physical address field of a .lib section is used to hold the
+ number of shared libraries in the section. This code counts the
+ number of sections being written, and increments the lma field
+ with the number.
+
+ I have found no documentation on the contents of this section.
+ Experimentation indicates that the section contains zero or more
+ records, each of which has the following structure:
+
+ - a (four byte) word holding the length of this record, in words,
+ - a word that always seems to be set to "2",
+ - the path to a shared library, null-terminated and then padded
+ to a whole word boundary.
+
+ bfd_assert calls have been added to alert if an attempt is made
+ to write a section which doesn't follow these assumptions. The
+ code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe
+ <robertl@arnet.com> (Thanks!).
+
+ Gvran Uddeborg <gvran@uddeborg.pp.se> */
+
+ if (strcmp (section->name, _LIB) == 0)
+ {
+ bfd_byte *rec, *recend;
+
+ rec = (bfd_byte *) location;
+ recend = rec + count;
+ while (rec < recend)
+ {
+ ++section->lma;
+ rec += bfd_get_32 (abfd, rec) * 4;
+ }
+
+ BFD_ASSERT (rec == recend);
+ }
-#ifdef _LIB
- /* If this is a .lib section, bump the vma address so that it
- winds up being the number of .lib sections output. This is
- right for SVR3.2. Shared libraries should probably get more
- generic support. Ian Taylor <ian@cygnus.com>. */
- if (strcmp (section->name, _LIB) == 0)
- ++section->lma;
#endif
/* Don't write out bss sections - one way to do this is to
return false;
}
- /* We depend on bfd_close to free all the memory on the obstack. */
- /* FIXME if bfd_release is not using obstacks! */
+ /* We depend on bfd_close to free all the memory on the objalloc. */
return true;
}
{
PTR area = (PTR) bfd_alloc (abfd, size);
if (!area)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- }
+ return (NULL);
if (bfd_seek (abfd, where, seek_direction) != 0
|| bfd_read (area, 1, size, abfd) != size)
return (NULL);
lineno_cache =
(alent *) bfd_alloc (abfd, (size_t) ((asect->lineno_count + 1) * sizeof (alent)));
if (lineno_cache == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
else
{
unsigned int counter = 0;
if (cache_ptr->line_number == 0)
{
- coff_symbol_type *sym =
- (coff_symbol_type *) (dst.l_addr.l_symndx
- + obj_raw_syments (abfd))->u.syment._n._n_n._n_zeroes;
+ boolean warned;
+ long symndx;
+ coff_symbol_type *sym;
+
+ warned = false;
+ symndx = dst.l_addr.l_symndx;
+ if (symndx < 0
+ || (unsigned long) symndx >= obj_raw_syment_count (abfd))
+ {
+ (*_bfd_error_handler)
+ (_("%s: warning: illegal symbol index %ld in line numbers"),
+ bfd_get_filename (abfd), dst.l_addr.l_symndx);
+ symndx = 0;
+ warned = true;
+ }
+ /* FIXME: We should not be casting between ints and
+ pointers like this. */
+ sym = ((coff_symbol_type *)
+ ((symndx + obj_raw_syments (abfd))
+ ->u.syment._n._n_n._n_zeroes));
cache_ptr->u.sym = (asymbol *) sym;
- if (sym->lineno != NULL)
+ if (sym->lineno != NULL && ! warned)
{
(*_bfd_error_handler)
- ("%s: warning: duplicate line number information for `%s'",
+ (_("%s: warning: duplicate line number information for `%s'"),
bfd_get_filename (abfd),
bfd_asymbol_name (&sym->symbol));
}
* sizeof (coff_symbol_type))));
if (cached_area == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- } /* on error */
+ return false;
table_ptr = ((unsigned int *)
bfd_alloc (abfd,
(obj_raw_syment_count (abfd)
* sizeof (unsigned int))));
if (table_ptr == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
else
{
coff_symbol_type *dst = cached_area;
#endif
case C_EXT:
+ case C_WEAKEXT:
+#if defined ARM
+ case C_THUMBEXT:
+ case C_THUMBEXTFUNC:
+#endif
#ifdef RS6000COFF_C
case C_HIDEXT:
#endif
+#ifdef C_SYSTEM
+ case C_SYSTEM: /* System Wide variable */
+#endif
#ifdef COFF_WITH_PE
- /* PE uses storage class 0x68 to denote a section symbol */
+ /* In PE, 0x68 (104) denotes a section symbol */
case C_SECTION:
+ /* In PE, 0x69 (105) denotes a weak external symbol. */
+ case C_NT_WEAK:
#endif
- if ((src->u.syment.n_scnum) == 0)
- {
- if ((src->u.syment.n_value) == 0)
- {
- dst->symbol.section = bfd_und_section_ptr;
- dst->symbol.value = 0;
- }
- else
- {
- dst->symbol.section = bfd_com_section_ptr;
- dst->symbol.value = (src->u.syment.n_value);
- }
- }
- else
+ switch (coff_classify_symbol (abfd, &src->u.syment))
{
- /* Base the value as an index from the base of the
- section */
-
+ case COFF_SYMBOL_GLOBAL:
dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL;
+#if defined COFF_WITH_PE
+ /* PE sets the symbol to a value relative to the
+ start of the section. */
+ dst->symbol.value = src->u.syment.n_value;
+#else
dst->symbol.value = (src->u.syment.n_value
- dst->symbol.section->vma);
-
+#endif
if (ISFCN ((src->u.syment.n_type)))
{
/* A function ext does not go at the end of a
file. */
dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
}
+ break;
+
+ case COFF_SYMBOL_COMMON:
+ dst->symbol.section = bfd_com_section_ptr;
+ dst->symbol.value = src->u.syment.n_value;
+ break;
+
+ case COFF_SYMBOL_UNDEFINED:
+ dst->symbol.section = bfd_und_section_ptr;
+ dst->symbol.value = 0;
+ break;
+
+ case COFF_SYMBOL_PE_SECTION:
+ dst->symbol.flags |= BSF_EXPORT | BSF_SECTION_SYM;
+ dst->symbol.value = 0;
+ break;
+
+ case COFF_SYMBOL_LOCAL:
+ dst->symbol.flags = BSF_LOCAL;
+#if defined COFF_WITH_PE
+ /* PE sets the symbol to a value relative to the
+ start of the section. */
+ dst->symbol.value = src->u.syment.n_value;
+#else
+ dst->symbol.value = (src->u.syment.n_value
+ - dst->symbol.section->vma);
+#endif
+ if (ISFCN ((src->u.syment.n_type)))
+ dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
+ break;
}
#ifdef RS6000COFF_C
- /* A C_HIDEXT symbol is not global. */
- if (src->u.syment.n_sclass == C_HIDEXT)
- dst->symbol.flags = BSF_LOCAL;
/* A symbol with a csect entry should not go at the end. */
if (src->u.syment.n_numaux > 0)
dst->symbol.flags |= BSF_NOT_AT_END;
#endif
+#ifdef COFF_WITH_PE
+ if (src->u.syment.n_sclass == C_NT_WEAK)
+ dst->symbol.flags = BSF_WEAK;
+ if (src->u.syment.n_sclass == C_SECTION
+ && src->u.syment.n_scnum > 0)
+ {
+ dst->symbol.flags = BSF_LOCAL;
+ }
+#endif
+
+ if (src->u.syment.n_sclass == C_WEAKEXT)
+ dst->symbol.flags = BSF_WEAK;
+
break;
case C_STAT: /* static */
#ifdef I960
case C_LEAFSTAT: /* static leaf procedure */
+#endif
+#if defined ARM
+ case C_THUMBSTAT: /* Thumb static */
+ case C_THUMBLABEL: /* Thumb label */
+ case C_THUMBSTATFUNC:/* Thumb static function */
#endif
case C_LABEL: /* label */
if (src->u.syment.n_scnum == -2)
dst->symbol.flags = BSF_DEBUGGING;
else
dst->symbol.flags = BSF_LOCAL;
- /*
- Base the value as an index from the base of the section, if
- there is one
- */
+
+ /* Base the value as an index from the base of the
+ section, if there is one. */
if (dst->symbol.section)
- dst->symbol.value = (src->u.syment.n_value) -
- dst->symbol.section->vma;
+ {
+#if defined COFF_WITH_PE
+ /* PE sets the symbol to a value relative to the
+ start of the section. */
+ dst->symbol.value = src->u.syment.n_value;
+#else
+ dst->symbol.value = (src->u.syment.n_value
+ - dst->symbol.section->vma);
+#endif
+ }
else
- dst->symbol.value = (src->u.syment.n_value);
+ dst->symbol.value = src->u.syment.n_value;
break;
case C_MOS: /* member of structure */
#endif
case C_REGPARM: /* register parameter */
case C_REG: /* register variable */
+#ifndef TIC80COFF
#ifdef C_AUTOARG
case C_AUTOARG: /* 960-specific storage class */
+#endif
#endif
case C_TPDEF: /* type definition */
case C_ARG:
#endif
case C_BLOCK: /* ".bb" or ".eb" */
- case C_FCN: /* ".bf" or ".ef" */
+ case C_FCN: /* ".bf" or ".ef" */
case C_EFCN: /* physical end of function */
dst->symbol.flags = BSF_LOCAL;
- /*
- Base the value as an index from the base of the section
- */
- dst->symbol.value = (src->u.syment.n_value) - dst->symbol.section->vma;
+#if defined COFF_WITH_PE
+ /* PE sets the symbol to a value relative to the start
+ of the section. */
+ dst->symbol.value = src->u.syment.n_value;
+#else
+ /* Base the value as an index from the base of the
+ section. */
+ dst->symbol.value = (src->u.syment.n_value
+ - dst->symbol.section->vma);
+#endif
break;
case C_NULL:
/* C_LINE in regular coff is 0x68. NT has taken over this storage
class to represent a section symbol */
case C_LINE: /* line # reformatted as symbol table entry */
-#endif
+ /* NT uses 0x67 for a weak symbol, not C_ALIAS. */
case C_ALIAS: /* duplicate tag */
+#endif
+ /* New storage classes for TIc80 */
+#ifdef TIC80COFF
+ case C_UEXT: /* Tentative external definition */
+#endif
+ case C_STATLAB: /* Static load time label */
+ case C_EXTLAB: /* External load time label */
case C_HIDDEN: /* ext symbol in dmert public lib */
default:
(*_bfd_error_handler)
- ("%s: Unrecognized storage class %d for %s symbol `%s'",
+ (_("%s: Unrecognized storage class %d for %s symbol `%s'"),
bfd_get_filename (abfd), src->u.syment.n_sclass,
dst->symbol.section->name, dst->symbol.name);
dst->symbol.flags = BSF_DEBUGGING;
return true;
} /* coff_slurp_symbol_table() */
-/* Check whether a symbol is globally visible. This is used by the
- COFF backend linker code in cofflink.c, since a couple of targets
- have globally visible symbols which are not class C_EXT. This
- function need not handle the case of n_class == C_EXT. */
-
-#undef OTHER_GLOBAL_CLASS
+/* Classify a COFF symbol. A couple of targets have globally visible
+ symbols which are not class C_EXT, and this handles those. It also
+ recognizes some special PE cases. */
+static enum coff_symbol_classification
+coff_classify_symbol (abfd, syment)
+ bfd *abfd;
+ struct internal_syment *syment;
+{
+ /* FIXME: This partially duplicates the switch in
+ coff_slurp_symbol_table. */
+ switch (syment->n_sclass)
+ {
+ case C_EXT:
+ case C_WEAKEXT:
#ifdef I960
-#define OTHER_GLOBAL_CLASS C_LEAFEXT
+ case C_LEAFEXT:
+#endif
+#ifdef ARM
+ case C_THUMBEXT:
+ case C_THUMBEXTFUNC:
+#endif
+#ifdef C_SYSTEM
+ case C_SYSTEM:
#endif
-
#ifdef COFF_WITH_PE
-#define OTHER_GLOBAL_CLASS C_SECTION
+ case C_NT_WEAK:
#endif
+ if (syment->n_scnum == 0)
+ {
+ if (syment->n_value == 0)
+ return COFF_SYMBOL_UNDEFINED;
+ else
+ return COFF_SYMBOL_COMMON;
+ }
+ return COFF_SYMBOL_GLOBAL;
-#ifdef OTHER_GLOBAL_CLASS
+ default:
+ break;
+ }
-static boolean
-coff_sym_is_global (abfd, syment)
- bfd *abfd;
- struct internal_syment *syment;
-{
- if (syment->n_sclass == OTHER_GLOBAL_CLASS)
- return true;
- return false;
-}
+#ifdef COFF_WITH_PE
+ if (syment->n_sclass == C_STAT)
+ {
+ if (syment->n_scnum == 0)
+ {
+ /* The Microsoft compiler sometimes generates these if a
+ small static function is inlined every time it is used.
+ The function is discarded, but the symbol table entry
+ remains. */
+ return COFF_SYMBOL_LOCAL;
+ }
-#undef OTHER_GLOBAL_CLASS
+#if 0
+ /* This is correct for Microsoft generated objects, but it
+ breaks gas generated objects. */
+
+ if (syment->n_value == 0)
+ {
+ asection *sec;
+ char buf[SYMNMLEN + 1];
+
+ sec = coff_section_from_bfd_index (abfd, syment->n_scnum);
+ if (sec != NULL
+ && (strcmp (bfd_get_section_name (abfd, sec),
+ _bfd_coff_internal_syment_name (abfd, syment, buf))
+ == 0))
+ return COFF_SYMBOL_PE_SECTION;
+ }
+#endif
-#else /* ! defined (OTHER_GLOBAL_CLASS) */
+ return COFF_SYMBOL_LOCAL;
+ }
-/* sym_is_global should not be defined if it has nothing to do. */
+ if (syment->n_sclass == C_SECTION)
+ {
+ /* In some cases in a DLL generated by the Microsoft linker, the
+ n_value field will contain garbage. FIXME: This should
+ probably be handled by the swapping function instead. */
+ syment->n_value = 0;
+ if (syment->n_scnum == 0)
+ return COFF_SYMBOL_UNDEFINED;
+ return COFF_SYMBOL_PE_SECTION;
+ }
+#endif /* COFF_WITH_PE */
-#define coff_sym_is_global 0
+ /* If it is not a global symbol, we presume it is a local symbol. */
-#endif /* ! defined (OTHER_GLOBAL_CLASS) */
+ if (syment->n_scnum == 0)
+ {
+ char buf[SYMNMLEN + 1];
+
+ (*_bfd_error_handler)
+ (_("warning: %s: local symbol `%s' has no section"),
+ bfd_get_filename (abfd),
+ _bfd_coff_internal_syment_name (abfd, syment, buf));
+ }
+
+ return COFF_SYMBOL_LOCAL;
+}
/*
SUBSUBSECTION
bfd_alloc (abfd, (size_t) (asect->reloc_count * sizeof (arelent)));
if (reloc_cache == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
for (idx = 0; idx < asect->reloc_count; idx++)
{
-#ifdef RELOC_PROCESSING
struct internal_reloc dst;
struct external_reloc *src;
-
- cache_ptr = reloc_cache + idx;
- src = native_relocs + idx;
- coff_swap_reloc_in (abfd, src, &dst);
-
- RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect);
-#else
- struct internal_reloc dst;
+#ifndef RELOC_PROCESSING
asymbol *ptr;
- struct external_reloc *src;
+#endif
cache_ptr = reloc_cache + idx;
src = native_relocs + idx;
coff_swap_reloc_in (abfd, src, &dst);
-
+#ifdef RELOC_PROCESSING
+ RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect);
+#else
cache_ptr->address = dst.r_vaddr;
if (dst.r_symndx != -1)
{
- /* @@ Should never be greater than count of symbols! */
- if (dst.r_symndx >= obj_conv_table_size (abfd))
- abort ();
- cache_ptr->sym_ptr_ptr = symbols + obj_convert (abfd)[dst.r_symndx];
- ptr = *(cache_ptr->sym_ptr_ptr);
+ if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd))
+ {
+ (*_bfd_error_handler)
+ (_("%s: warning: illegal symbol index %ld in relocs"),
+ bfd_get_filename (abfd), dst.r_symndx);
+ cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ ptr = NULL;
+ }
+ else
+ {
+ cache_ptr->sym_ptr_ptr = (symbols
+ + obj_convert (abfd)[dst.r_symndx]);
+ ptr = *(cache_ptr->sym_ptr_ptr);
+ }
}
else
{
cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
- ptr = 0;
+ ptr = NULL;
}
/* The symbols definitions that we have read in have been
/* Fill in the cache_ptr->howto field from dst.r_type */
RTYPE2HOWTO (cache_ptr, &dst);
-#endif
+#endif /* RELOC_PROCESSING */
+ if (cache_ptr->howto == NULL)
+ {
+ (*_bfd_error_handler)
+ (_("%s: illegal relocation type %d at address 0x%lx"),
+ bfd_get_filename (abfd), dst.r_type, (long) dst.r_vaddr);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
}
asect->relocation = reloc_cache;
/*ARGSUSED*/
static reloc_howto_type *
coff_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
- bfd *abfd;
- asection *sec;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *sec ATTRIBUTE_UNUSED;
struct internal_reloc *rel;
- struct coff_link_hash_entry *h;
- struct internal_syment *sym;
- bfd_vma *addendp;
+ struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
+ struct internal_syment *sym ATTRIBUTE_UNUSED;
+ bfd_vma *addendp ATTRIBUTE_UNUSED;
{
arelent genrel;
#ifndef coff_reloc16_estimate
#define coff_reloc16_estimate dummy_reloc16_estimate
+static int dummy_reloc16_estimate
+ PARAMS ((bfd *, asection *, arelent *, unsigned int,
+ struct bfd_link_info *));
+
static int
dummy_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
- bfd *abfd;
- asection *input_section;
- arelent *reloc;
- unsigned int shrink;
- struct bfd_link_info *link_info;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *input_section ATTRIBUTE_UNUSED;
+ arelent *reloc ATTRIBUTE_UNUSED;
+ unsigned int shrink ATTRIBUTE_UNUSED;
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
{
abort ();
}
#endif
#ifndef coff_reloc16_extra_cases
+
#define coff_reloc16_extra_cases dummy_reloc16_extra_cases
+
/* This works even if abort is not declared in any header file. */
+
+static void dummy_reloc16_extra_cases
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
+ bfd_byte *, unsigned int *, unsigned int *));
+
static void
dummy_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
dst_ptr)
- bfd *abfd;
- struct bfd_link_info *link_info;
- struct bfd_link_order *link_order;
- arelent *reloc;
- bfd_byte *data;
- unsigned int *src_ptr;
- unsigned int *dst_ptr;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
+ struct bfd_link_order *link_order ATTRIBUTE_UNUSED;
+ arelent *reloc ATTRIBUTE_UNUSED;
+ bfd_byte *data ATTRIBUTE_UNUSED;
+ unsigned int *src_ptr ATTRIBUTE_UNUSED;
+ unsigned int *dst_ptr ATTRIBUTE_UNUSED;
{
abort ();
}
#endif
#else /* ! defined (coff_relocate_section) */
#define coff_relocate_section NULL
+#ifndef coff_bfd_link_hash_table_create
#define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#endif
+#ifndef coff_bfd_link_add_symbols
#define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#endif
#define coff_bfd_final_link _bfd_generic_final_link
#endif /* ! defined (coff_relocate_section) */
+
#define coff_bfd_link_split_section _bfd_generic_link_split_section
#ifndef coff_start_final_link
#define coff_adjust_symndx NULL
#endif
+#ifndef coff_link_add_one_symbol
+#define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol
+#endif
+
+#ifndef coff_link_output_has_begun
+
+static boolean coff_link_output_has_begun
+ PARAMS ((bfd *, struct coff_final_link_info *));
+
+static boolean
+coff_link_output_has_begun (abfd, info)
+ bfd * abfd;
+ struct coff_final_link_info * info ATTRIBUTE_UNUSED;
+{
+ return abfd->output_has_begun;
+}
+#endif
+
+#ifndef coff_final_link_postscript
+
+static boolean coff_final_link_postscript
+ PARAMS ((bfd *, struct coff_final_link_info *));
+
+static boolean
+coff_final_link_postscript (abfd, pfinfo)
+ bfd * abfd ATTRIBUTE_UNUSED;
+ struct coff_final_link_info * pfinfo ATTRIBUTE_UNUSED;
+{
+ return true;
+}
+#endif
+
+#ifndef coff_SWAP_aux_in
+#define coff_SWAP_aux_in coff_swap_aux_in
+#endif
+#ifndef coff_SWAP_sym_in
+#define coff_SWAP_sym_in coff_swap_sym_in
+#endif
+#ifndef coff_SWAP_lineno_in
+#define coff_SWAP_lineno_in coff_swap_lineno_in
+#endif
+#ifndef coff_SWAP_aux_out
+#define coff_SWAP_aux_out coff_swap_aux_out
+#endif
+#ifndef coff_SWAP_sym_out
+#define coff_SWAP_sym_out coff_swap_sym_out
+#endif
+#ifndef coff_SWAP_lineno_out
+#define coff_SWAP_lineno_out coff_swap_lineno_out
+#endif
+#ifndef coff_SWAP_reloc_out
+#define coff_SWAP_reloc_out coff_swap_reloc_out
+#endif
+#ifndef coff_SWAP_filehdr_out
+#define coff_SWAP_filehdr_out coff_swap_filehdr_out
+#endif
+#ifndef coff_SWAP_aouthdr_out
+#define coff_SWAP_aouthdr_out coff_swap_aouthdr_out
+#endif
+#ifndef coff_SWAP_scnhdr_out
+#define coff_SWAP_scnhdr_out coff_swap_scnhdr_out
+#endif
+#ifndef coff_SWAP_reloc_in
+#define coff_SWAP_reloc_in coff_swap_reloc_in
+#endif
+#ifndef coff_SWAP_filehdr_in
+#define coff_SWAP_filehdr_in coff_swap_filehdr_in
+#endif
+#ifndef coff_SWAP_aouthdr_in
+#define coff_SWAP_aouthdr_in coff_swap_aouthdr_in
+#endif
+#ifndef coff_SWAP_scnhdr_in
+#define coff_SWAP_scnhdr_in coff_swap_scnhdr_in
+#endif
+
+
+
static CONST bfd_coff_backend_data bfd_coff_std_swap_table =
{
- coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in,
- coff_swap_aux_out, coff_swap_sym_out,
- coff_swap_lineno_out, coff_swap_reloc_out,
- coff_swap_filehdr_out, coff_swap_aouthdr_out,
- coff_swap_scnhdr_out,
+ coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
+ coff_SWAP_aux_out, coff_SWAP_sym_out,
+ coff_SWAP_lineno_out, coff_SWAP_reloc_out,
+ coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
+ coff_SWAP_scnhdr_out,
FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ,
#ifdef COFF_LONG_FILENAMES
true,
#else
false,
#endif
- coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in,
- coff_swap_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
+#ifdef COFF_LONG_SECTION_NAMES
+ true,
+#else
+ false,
+#endif
+ COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
+ coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
+ coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
- coff_sym_is_global, coff_compute_section_file_positions,
+ coff_classify_symbol, coff_compute_section_file_positions,
coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
- coff_adjust_symndx
+ coff_adjust_symndx, coff_link_add_one_symbol,
+ coff_link_output_has_begun, coff_final_link_postscript
};
-#define coff_close_and_cleanup _bfd_generic_close_and_cleanup
-#define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
-#define coff_get_section_contents _bfd_generic_get_section_contents
+#ifndef coff_close_and_cleanup
+#define coff_close_and_cleanup _bfd_generic_close_and_cleanup
+#endif
+
+#ifndef coff_bfd_free_cached_info
+#define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#endif
+
+#ifndef coff_get_section_contents
+#define coff_get_section_contents _bfd_generic_get_section_contents
+#endif
#ifndef coff_bfd_copy_private_symbol_data
-#define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
+#define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
#endif
#ifndef coff_bfd_copy_private_section_data
#endif
#ifndef coff_bfd_copy_private_bfd_data
-#define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
+#define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
+#endif
+
+#ifndef coff_bfd_merge_private_bfd_data
+#define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
#endif
-#define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
-#define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
+#ifndef coff_bfd_set_private_flags
+#define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
+#endif
#ifndef coff_bfd_print_private_bfd_data
-#define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
+#define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
#endif
-#ifndef coff_bfd_is_local_label
-#define coff_bfd_is_local_label bfd_generic_is_local_label
+#ifndef coff_bfd_is_local_label_name
+#define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name
#endif
+
#ifndef coff_read_minisymbols
-#define coff_read_minisymbols _bfd_generic_read_minisymbols
+#define coff_read_minisymbols _bfd_generic_read_minisymbols
#endif
+
#ifndef coff_minisymbol_to_symbol
-#define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+#define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#endif
/* The reloc lookup routine must be supplied by each individual COFF
backend. */
#ifndef coff_bfd_reloc_type_lookup
-#define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+#define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
#endif
#ifndef coff_bfd_get_relocated_section_contents
#define coff_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents
#endif
+
#ifndef coff_bfd_relax_section
-#define coff_bfd_relax_section bfd_generic_relax_section
-#endif
+#define coff_bfd_relax_section bfd_generic_relax_section
+#endif
+
+#ifndef coff_bfd_gc_sections
+#define coff_bfd_gc_sections bfd_generic_gc_sections
+#endif
+
+#define CREATE_BIG_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE) \
+const bfd_target VAR = \
+{ \
+ NAME , \
+ bfd_target_coff_flavour, \
+ BFD_ENDIAN_BIG, /* data byte order is big */ \
+ BFD_ENDIAN_BIG, /* header byte order is big */ \
+ /* object flags */ \
+ (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
+ /* section flags */ \
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS), \
+ UNDER, /* leading symbol underscore */ \
+ '/', /* ar_pad_char */ \
+ 15, /* ar_max_namelen */ \
+ \
+ /* Data conversion functions. */ \
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
+ \
+ /* Header conversion functions. */ \
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
+ \
+ /* bfd_check_format */ \
+ { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, _bfd_dummy_target }, \
+ /* bfd_set_format */ \
+ { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
+ /* bfd_write_contents */ \
+ { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, bfd_false }, \
+ \
+ BFD_JUMP_TABLE_GENERIC (coff), \
+ BFD_JUMP_TABLE_COPY (coff), \
+ BFD_JUMP_TABLE_CORE (_bfd_nocore), \
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
+ BFD_JUMP_TABLE_SYMBOLS (coff), \
+ BFD_JUMP_TABLE_RELOCS (coff), \
+ BFD_JUMP_TABLE_WRITE (coff), \
+ BFD_JUMP_TABLE_LINK (coff), \
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
+ \
+ ALTERNATIVE, \
+ \
+ COFF_SWAP_TABLE \
+};
+
+#define CREATE_LITTLE_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE) \
+const bfd_target VAR = \
+{ \
+ NAME , \
+ bfd_target_coff_flavour, \
+ BFD_ENDIAN_LITTLE, /* data byte order is little */ \
+ BFD_ENDIAN_LITTLE, /* header byte order is little */ \
+ /* object flags */ \
+ (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
+ /* section flags */ \
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS), \
+ UNDER, /* leading symbol underscore */ \
+ '/', /* ar_pad_char */ \
+ 15, /* ar_max_namelen */ \
+ \
+ /* Data conversion functions. */ \
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
+ /* Header conversion functions. */ \
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
+ /* bfd_check_format */ \
+ { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, _bfd_dummy_target }, \
+ /* bfd_set_format */ \
+ { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
+ /* bfd_write_contents */ \
+ { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, bfd_false }, \
+ \
+ BFD_JUMP_TABLE_GENERIC (coff), \
+ BFD_JUMP_TABLE_COPY (coff), \
+ BFD_JUMP_TABLE_CORE (_bfd_nocore), \
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
+ BFD_JUMP_TABLE_SYMBOLS (coff), \
+ BFD_JUMP_TABLE_RELOCS (coff), \
+ BFD_JUMP_TABLE_WRITE (coff), \
+ BFD_JUMP_TABLE_LINK (coff), \
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
+ \
+ ALTERNATIVE, \
+ \
+ COFF_SWAP_TABLE \
+};
projects / deliverable / binutils-gdb.git / blobdiff