/* Support for the generic parts of most COFF variants, for BFD.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
Free Software Foundation, Inc.
Written by Cygnus Support.
moment. To port BFD, that person will have to add more @code{#defines}.
Three of the bit twiddling routines are exported to
@code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in}
- and @code{coff_swap_linno_in}. @code{GDB} reads the symbol
+ and @code{coff_swap_lineno_in}. @code{GDB} reads the symbol
table on its own, but uses BFD to fix things up. More of the
bit twiddlers are exported for @code{gas};
@code{coff_swap_aux_out}, @code{coff_swap_sym_out},
#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 flagword styp_to_sec_flags
+ PARAMS ((bfd *, PTR, const char *, asection *));
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 *,
+ const 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 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 **));
\f
/* void warning(); */
-/*
- * Return a word with STYP_* (scnhdr.s_flags) flags set to represent the
- * incoming SEC_* flags. The inverse of this function is styp_to_sec_flags().
- * NOTE: If you add to/change this routine, you should mirror the changes
- * in styp_to_sec_flags().
- */
+/* Return a word with STYP_* (scnhdr.s_flags) flags set to represent
+ the incoming SEC_* flags. The inverse of this function is
+ styp_to_sec_flags(). NOTE: If you add to/change this routine, you
+ should probably mirror the changes in styp_to_sec_flags(). */
+
+#ifndef COFF_WITH_PE
+
static long
sec_to_styp_flags (sec_name, sec_flags)
CONST char *sec_name;
}
else if (!strncmp (sec_name, ".stab", 5))
{
+#ifdef COFF_ALIGN_IN_S_FLAGS
+ styp_flags = STYP_DSECT;
+#else
styp_flags = STYP_INFO;
- }
-#ifdef COFF_WITH_PE
- else if (!strcmp (sec_name, ".edata"))
- {
- styp_flags = STYP_DATA;
- }
#endif
+ }
#ifdef RS6000COFF_C
else if (!strcmp (sec_name, _PAD))
{
styp_flags = STYP_BSS;
}
+#ifdef STYP_CLINK
+ if (sec_flags & SEC_CLINK)
+ styp_flags |= STYP_CLINK;
+#endif
+
+#ifdef STYP_BLOCK
+ if (sec_flags & SEC_BLOCK)
+ styp_flags |= STYP_BLOCK;
+#endif
+
#ifdef STYP_NOLOAD
if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0)
styp_flags |= STYP_NOLOAD;
#endif
-#ifdef COFF_WITH_PE
- if (sec_flags & SEC_LINK_ONCE)
- styp_flags |= IMAGE_SCN_LNK_COMDAT;
-#endif
+ return styp_flags;
+}
+
+#else /* COFF_WITH_PE */
+
+/* The PE version; see above for the general comments. The non-PE
+ case seems to be more guessing, and breaks PE format; specifically,
+ .rdata is readonly, but it sure ain't text. Really, all this
+ should be set up properly in gas (or whatever assembler is in use),
+ and honor whatever objcopy/strip, etc. sent us as input. */
+
+static long
+sec_to_styp_flags (sec_name, sec_flags)
+ const char *sec_name ATTRIBUTE_UNUSED;
+ flagword sec_flags;
+{
+ long styp_flags = 0;
- return (styp_flags);
+ /* caution: there are at least three groups of symbols that have
+ very similar bits and meanings: IMAGE_SCN*, SEC_*, and STYP_*.
+ SEC_* are the BFD internal flags, used for generic BFD
+ information. STYP_* are the COFF section flags which appear in
+ COFF files. IMAGE_SCN_* are the PE section flags which appear in
+ PE files. The STYP_* flags and the IMAGE_SCN_* flags overlap,
+ but there are more IMAGE_SCN_* flags. */
+
+ /* skip LOAD */
+ /* READONLY later */
+ /* skip RELOC */
+ if ((sec_flags & SEC_CODE) != 0)
+ styp_flags |= IMAGE_SCN_CNT_CODE;
+ if ((sec_flags & SEC_DATA) != 0)
+ styp_flags |= IMAGE_SCN_CNT_INITIALIZED_DATA;
+ if ((sec_flags & SEC_ALLOC) != 0 && (sec_flags & SEC_LOAD) == 0)
+ styp_flags |= IMAGE_SCN_CNT_UNINITIALIZED_DATA; /* ==STYP_BSS */
+ /* skip ROM */
+ /* skip CONSTRUCTOR */
+ /* skip CONTENTS */
+#ifdef STYP_NOLOAD
+ if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0)
+ styp_flags |= STYP_NOLOAD;
+#endif
+ if ((sec_flags & SEC_IS_COMMON) != 0)
+ styp_flags |= IMAGE_SCN_LNK_COMDAT;
+ if ((sec_flags & SEC_DEBUGGING) != 0)
+ styp_flags |= IMAGE_SCN_MEM_DISCARDABLE;
+ if ((sec_flags & SEC_EXCLUDE) != 0)
+ styp_flags |= IMAGE_SCN_LNK_REMOVE;
+ if ((sec_flags & SEC_NEVER_LOAD) != 0)
+ styp_flags |= IMAGE_SCN_LNK_REMOVE;
+ /* skip IN_MEMORY */
+ /* skip SORT */
+ if (sec_flags & SEC_LINK_ONCE)
+ styp_flags |= IMAGE_SCN_LNK_COMDAT;
+ /* skip LINK_DUPLICATES */
+ /* skip LINKER_CREATED */
+
+ /* For now, the read/write bits are mapped onto SEC_READONLY, even
+ though the semantics don't quite match. The bits from the input
+ are retained in pei_section_data(abfd, section)->pe_flags */
+
+ styp_flags |= IMAGE_SCN_MEM_READ; /* always readable. */
+ if ((sec_flags & SEC_READONLY) == 0)
+ styp_flags |= IMAGE_SCN_MEM_WRITE; /* Invert READONLY for write */
+ if (sec_flags & SEC_CODE)
+ styp_flags |= IMAGE_SCN_MEM_EXECUTE; /* CODE->EXECUTE */
+ if (sec_flags & SEC_SHARED)
+ styp_flags |= IMAGE_SCN_MEM_SHARED; /* Shared remains meaningful */
+
+ return styp_flags;
}
-/*
- * Return a word with SEC_* flags set to represent the incoming
- * STYP_* flags (from scnhdr.s_flags). The inverse of this
- * function is sec_to_styp_flags().
- * NOTE: If you add to/change this routine, you should mirror the changes
- * in sec_to_styp_flags().
- */
+
+#endif /* COFF_WITH_PE */
+
+/* Return a word with SEC_* flags set to represent the incoming STYP_*
+ flags (from scnhdr.s_flags). The inverse of this function is
+ sec_to_styp_flags(). NOTE: If you add to/change this routine, you
+ should probably mirror the changes in sec_to_styp_flags(). */
+
+#ifndef COFF_WITH_PE
+
static flagword
-styp_to_sec_flags (abfd, hdr, name)
- bfd *abfd;
+styp_to_sec_flags (abfd, hdr, name, section)
+ bfd *abfd ATTRIBUTE_UNUSED;
PTR hdr;
const char *name;
+ asection *section ATTRIBUTE_UNUSED;
{
struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
long styp_flags = internal_s->s_flags;
flagword sec_flags = 0;
+#ifdef STYP_BLOCK
+ if (styp_flags & STYP_BLOCK)
+ sec_flags |= SEC_BLOCK;
+#endif
+
+#ifdef STYP_CLINK
+ if (styp_flags & STYP_CLINK)
+ sec_flags |= SEC_CLINK;
+#endif
+
#ifdef STYP_NOLOAD
if (styp_flags & STYP_NOLOAD)
{
}
#endif /* STYP_SDATA */
-#ifdef COFF_WITH_PE
+#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;
+}
+
+#else /* COFF_WITH_PE */
+
+/* The PE version; see above for the general comments.
+
+ Since to set the SEC_LINK_ONCE and associated flags, we have to
+ look at the symbol table anyway, we return the symbol table index
+ of the symbol being used as the COMDAT symbol. This is admittedly
+ ugly, but there's really nowhere else that we have access to the
+ required information. FIXME: Is the COMDAT symbol index used for
+ any purpose other than objdump? */
+
+static flagword
+styp_to_sec_flags (abfd, hdr, name, section)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ PTR hdr;
+ const char *name;
+ asection *section;
+{
+ struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
+ long styp_flags = internal_s->s_flags;
+ flagword sec_flags = 0;
+
+ if (styp_flags & STYP_DSECT)
+ abort (); /* Don't know what to do */
+#ifdef SEC_NEVER_LOAD
+ if (styp_flags & STYP_NOLOAD)
+ sec_flags |= SEC_NEVER_LOAD;
+#endif
+ if (styp_flags & STYP_GROUP)
+ abort (); /* Don't know what to do */
+ /* skip IMAGE_SCN_TYPE_NO_PAD */
+ if (styp_flags & STYP_COPY)
+ abort (); /* Don't know what to do */
+ if (styp_flags & IMAGE_SCN_CNT_CODE)
+ sec_flags |= SEC_CODE | SEC_ALLOC | SEC_LOAD;
+ if (styp_flags & IMAGE_SCN_CNT_INITIALIZED_DATA)
+ sec_flags |= SEC_DATA | SEC_ALLOC | SEC_LOAD;
+ if (styp_flags & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
+ sec_flags |= SEC_ALLOC;
+ if (styp_flags & IMAGE_SCN_LNK_OTHER)
+ abort (); /* Don't know what to do */
+ if (styp_flags & IMAGE_SCN_LNK_INFO)
+ {
+ /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is
+ defined. coff_compute_section_file_positions uses
+ COFF_PAGE_SIZE to ensure that the low order bits of the
+ 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
+ sec_flags |= SEC_DEBUGGING;
+#endif
+ }
+ if (styp_flags & STYP_OVER)
+ abort (); /* Don't know what to do */
if (styp_flags & IMAGE_SCN_LNK_REMOVE)
sec_flags |= SEC_EXCLUDE;
+ if (styp_flags & IMAGE_SCN_MEM_SHARED)
+ sec_flags |= SEC_SHARED;
+ /* COMDAT: see below */
+ if (styp_flags & IMAGE_SCN_MEM_DISCARDABLE)
+ sec_flags |= SEC_DEBUGGING;
+ if (styp_flags & IMAGE_SCN_MEM_NOT_CACHED)
+ abort ();/* Don't know what to do */
+ if (styp_flags & IMAGE_SCN_MEM_NOT_PAGED)
+ abort (); /* Don't know what to do */
+
+ /* We infer from the distinct read/write/execute bits the settings
+ of some of the bfd flags; the actual values, should we need them,
+ are also in pei_section_data (abfd, section)->pe_flags. */
+
+ if (styp_flags & IMAGE_SCN_MEM_EXECUTE)
+ sec_flags |= SEC_CODE; /* Probably redundant */
+ /* IMAGE_SCN_MEM_READ is simply ignored, assuming it always to be true. */
+ if ((styp_flags & IMAGE_SCN_MEM_WRITE) == 0)
+ sec_flags |= SEC_READONLY;
+
+ /* COMDAT gets very special treatment. */
if (styp_flags & IMAGE_SCN_LNK_COMDAT)
{
sec_flags |= SEC_LINK_ONCE;
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 */
+
+ /* This is not mirrored in sec_to_styp_flags(), but there
+ doesn't seem to be a need to, either, and it would at best be
+ rather messy. */
+
if (_bfd_coff_get_external_symbols (abfd))
{
- bfd_byte *esym, *esymend;
+ bfd_byte *esymstart, *esym, *esymend;
+ int seen_state = 0;
+ char *target_name = NULL;
- esym = (bfd_byte *) obj_coff_external_syms (abfd);
- esymend = esym + obj_raw_syment_count (abfd) * SYMESZ;
+ esymstart = esym = (bfd_byte *) obj_coff_external_syms (abfd);
+ esymend = esym + obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd);
while (esym < esymend)
{
struct internal_syment isym;
+ char buf[SYMNMLEN + 1];
+ const char *symname;
bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym);
abort ();
}
- if (isym.n_sclass == C_STAT
- && isym.n_type == T_NULL
- && isym.n_numaux == 1)
+ if (isym.n_scnum == section->target_index)
{
- char buf[SYMNMLEN + 1];
- const char *symname;
-
+ /* According to the MSVC documentation, the first
+ TWO entries with the section # are both of
+ interest to us. The first one is the "section
+ symbol" (section name). The second is the comdat
+ symbol name. Here, we've found the first
+ qualifying entry; we distinguish it from the
+ second with a state flag.
+
+ In the case of gas-generated (at least until that
+ is fixed) .o files, it isn't necessarily the
+ second one. It may be some other later symbol.
+
+ Since gas also doesn't follow MS conventions and
+ emits the section similar to .text$<name>, where
+ <something> is the name we're looking for, we
+ distinguish the two as follows:
+
+ If the section name is simply a section name (no
+ $) we presume it's MS-generated, and look at
+ precisely the second symbol for the comdat name.
+ If the section name has a $, we assume it's
+ gas-generated, and look for <something> (whatever
+ follows the $) as the comdat symbol. */
+
+ /* All 3 branches use this */
symname = _bfd_coff_internal_syment_name (abfd, &isym, buf);
+
if (symname == NULL)
abort ();
- if (strcmp (name, symname) == 0)
+ switch (seen_state)
{
- union internal_auxent aux;
+ case 0:
+ {
+ /* The first time we've seen the symbol. */
+ union internal_auxent aux;
+
+ seen_state = 1;
+
+ /* If it isn't the stuff we're expecting, die;
+ The MS documentation is vague, but it
+ appears that the second entry serves BOTH
+ as the comdat symbol and the defining
+ symbol record (either C_STAT or C_EXT,
+ possibly with an aux entry with debug
+ information if it's a function.) It
+ appears the only way to find the second one
+ is to count. (On Intel, they appear to be
+ adjacent, but on Alpha, they have been
+ found separated.)
+
+ Here, we think we've found the first one,
+ but there's some checking we can do to be
+ sure. */
+
+ if (! (isym.n_sclass == C_STAT
+ && isym.n_type == T_NULL
+ && isym.n_value == 0))
+ abort ();
+
+ /* FIXME LATER: MSVC generates section names
+ like .text for comdats. Gas generates
+ names like .text$foo__Fv (in the case of a
+ function). See comment above for more. */
+
+ if (strcmp (name, symname) != 0)
+ abort ();
+
+ /* This is the section symbol. */
+
+ bfd_coff_swap_aux_in (abfd, (PTR) (esym + bfd_coff_symesz (abfd)),
+ isym.n_type, isym.n_sclass,
+ 0, isym.n_numaux, (PTR) &aux);
+
+ target_name = strchr (name, '$');
+ if (target_name != NULL)
+ {
+ /* Gas mode. */
+ seen_state = 2;
+ /* Skip the `$'. */
+ target_name += 1;
+ }
+
+ /* 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. */
+
+ /* Cygwin does not follow the MS style, and
+ uses ANY and SAME_SIZE where NODUPLICATES
+ and ASSOCIATIVE should be used. For
+ Interix, we just do the right thing up
+ front. */
+
+ switch (aux.x_scn.x_comdat)
+ {
+ case IMAGE_COMDAT_SELECT_NODUPLICATES:
+#ifdef STRICT_PE_FORMAT
+ sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY;
+#else
+ sec_flags &= ~SEC_LINK_ONCE;
+#endif
+ break;
+
+ 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:
+ /* Not yet fully implemented ??? */
+ sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS;
+ break;
+
+ /* debug$S gets this case; other
+ implications ??? */
+
+ /* There may be no symbol... we'll search
+ the whole table... Is this the right
+ place to play this game? Or should we do
+ it when reading it in. */
+ case IMAGE_COMDAT_SELECT_ASSOCIATIVE:
+#ifdef STRICT_PE_FORMAT
+ /* FIXME: This is not currently implemented. */
+ sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
+#else
+ sec_flags &= ~SEC_LINK_ONCE;
+#endif
+ break;
- /* This is the section symbol. */
+ default: /* 0 means "no symbol" */
+ /* debug$F gets this case; other
+ implications ??? */
+ sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
+ break;
+ }
+ }
+ break;
- bfd_coff_swap_aux_in (abfd, (PTR) (esym + SYMESZ),
- isym.n_type, isym.n_sclass,
- 0, isym.n_numaux, (PTR) &aux);
+ case 2:
+ /* Gas mode: the first matching on partial name. */
- switch (aux.x_scn.x_comdat)
+#ifndef TARGET_UNDERSCORE
+#define TARGET_UNDERSCORE 0
+#endif
+ /* Is this the name we're looking for? */
+ if (strcmp (target_name,
+ symname + (TARGET_UNDERSCORE ? 1 : 0)) != 0)
{
- case IMAGE_COMDAT_SELECT_NODUPLICATES:
- sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY;
- 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:
- /* FIXME: This is not currently implemented. */
- sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
- break;
+ /* Not the name we're looking for */
+ esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd);
+ continue;
}
-
- break;
+ /* Fall through. */
+ case 1:
+ /* MSVC mode: the lexically second symbol (or
+ drop through from the above). */
+ {
+ char *newname;
+
+ /* This must the the second symbol with the
+ section #. It is the actual symbol name.
+ Intel puts the two adjacent, but Alpha (at
+ least) spreads them out. */
+
+ section->comdat =
+ bfd_alloc (abfd, sizeof (struct bfd_comdat_info));
+ if (section->comdat == NULL)
+ abort ();
+ section->comdat->symbol =
+ (esym - esymstart) / bfd_coff_symesz (abfd);
+
+ newname = bfd_alloc (abfd, strlen (symname) + 1);
+ if (newname == NULL)
+ abort ();
+
+ strcpy (newname, symname);
+ section->comdat->name = newname;
+
+ }
+
+ goto breakloop;
}
}
- esym += (isym.n_numaux + 1) * SYMESZ;
+ esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd);
}
+ breakloop:
}
}
+
+#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);
+ return sec_flags;
}
+#endif /* COFF_WITH_PE */
+
#define get_index(symbol) ((symbol)->udata.i)
/*
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_auxesz;
. unsigned int _bfd_relsz;
. unsigned int _bfd_linesz;
+. unsigned int _bfd_filnmlen;
. boolean _bfd_coff_long_filenames;
. boolean _bfd_coff_long_section_names;
. unsigned int _bfd_coff_default_section_alignment_power;
. flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
. bfd *abfd,
. PTR internal_scnhdr,
-. const char *name));
+. const char *name,
+. asection *section));
. void (*_bfd_set_alignment_hook) PARAMS ((
. bfd *abfd,
. asection *sec,
. 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 *));
. boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
.#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
.#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_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
.#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_mkobject_hook(abfd, filehdr, aouthdr)\
. ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
.
-.#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
-. ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
+.#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section)\
+. ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
+. (abfd, scnhdr, name, section))
.
.#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
. ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
. ((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)\
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;
*/
#if defined(M88) || defined(I960)
- if (internal_f->f_opthdr != 0 && AOUTSZ != internal_f->f_opthdr)
+ if (internal_f->f_opthdr != 0 && bfd_coff_aoutsz (abfd) != internal_f->f_opthdr)
return false;
#endif
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;
coffsymbol (section->symbol)->native = native;
- /* 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;
-
- /* Similarly, the .stabstr section must be aligned to 2**0 at most. */
- if (COFF_DEFAULT_SECTION_ALIGNMENT_POWER > 0
- && strncmp (section->name, ".stabstr", 8) == 0)
- section->alignment_power = 0;
+ coff_set_custom_section_alignment (abfd, section,
+ coff_section_alignment_table,
+ coff_section_alignment_table_size);
return true;
}
static void
coff_set_alignment_hook (abfd, section, scnhdr)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
asection * section;
PTR scnhdr;
{
if ((1 << i) >= hdr->s_align)
break;
#endif
-/* start-sanitize-tic80 */
#ifdef TIC80COFF
- /* TI tools hijack bits 8-11 for the alignment */
+ /* TI tools puts the alignment power in bits 8-11 */
i = (hdr->s_flags >> 8) & 0xF ;
#endif
-/* end-sanitize-tic80 */
+#ifdef COFF_DECODE_ALIGNMENT
+ i = COFF_DECODE_ALIGNMENT(hdr->s_flags);
+#endif
section->alignment_power = i;
+
+#ifdef coff_set_section_load_page
+ coff_set_section_load_page (section, hdr->s_page);
+#endif
}
#else /* ! COFF_ALIGN_IN_SECTION_HEADER */
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_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)
+ section, while the s_size field holds the raw size. We also keep
+ the original section flag value, since not every bit can be
+ mapped onto a generic BFD section bit. */
+ if (coff_section_data (abfd, section) == NULL)
{
- 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)
{
- section->used_by_bfd =
- (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata));
- if (section->used_by_bfd == NULL)
- {
- /* FIXME: Return error. */
- abort ();
- }
+ /* FIXME: Return error. */
+ abort ();
}
- if (pei_section_data (abfd, section) == NULL)
+ }
+ 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)
{
- 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 ();
- }
+ /* FIXME: Return error. */
+ abort ();
}
- pei_section_data (abfd, section)->virt_size = hdr->s_paddr;
}
-#endif
+ pei_section_data (abfd, section)->virt_size = hdr->s_paddr;
+ pei_section_data (abfd, section)->pe_flags = hdr->s_flags;
+ section->lma = hdr->s_vaddr;
}
#undef ALIGN_SET
#undef ELIFALIGN_SET
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;
coff->local_n_btshft = N_BTSHFT;
coff->local_n_tmask = N_TMASK;
coff->local_n_tshift = N_TSHIFT;
- coff->local_symesz = SYMESZ;
- coff->local_auxesz = AUXESZ;
- coff->local_linesz = LINESZ;
+ coff->local_symesz = bfd_coff_symesz (abfd);
+ coff->local_auxesz = bfd_coff_auxesz (abfd);
+ coff->local_linesz = bfd_coff_linesz (abfd);
+
+ coff->timestamp = internal_f->f_timdat;
obj_raw_syment_count (abfd) =
obj_conv_table_size (abfd) =
#ifdef RS6000COFF_C
if ((internal_f->f_flags & F_SHROBJ) != 0)
abfd->flags |= DYNAMIC;
- if (aouthdr != NULL && internal_f->f_opthdr >= AOUTSZ)
+ if (aouthdr != NULL && internal_f->f_opthdr >= bfd_coff_aoutsz (abfd))
{
struct internal_aouthdr *internal_a =
(struct internal_aouthdr *) aouthdr;
coff->flags = 0;
#endif
+#ifdef COFF_WITH_PE
+ /* FIXME: I'm not sure this is ever executed, since peicode.h
+ defines coff_mkobject_hook. */
+ if ((internal_f->f_flags & IMAGE_FILE_DEBUG_STRIPPED) == 0)
+ abfd->flags |= HAS_DEBUG;
+#endif
+
return (PTR) coff;
}
#endif
machine = 0;
break;
#endif
+#ifdef IA64MAGIC
+ case IA64MAGIC:
+ arch = bfd_arch_ia64;
+ machine = 0;
+ break;
+#endif
#ifdef A29K_MAGIC_BIG
case A29K_MAGIC_BIG:
case A29K_MAGIC_LITTLE:
#endif
#ifdef ARMMAGIC
case ARMMAGIC:
+ case ARMPEMAGIC:
+ case THUMBPEMAGIC:
arch = bfd_arch_arm;
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_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
#endif
#ifdef RS6000COFF_C
+#ifdef XCOFF64
+ case U802TOC64MAGIC:
+#else
case U802ROMAGIC:
case U802WRMAGIC:
case U802TOCMAGIC:
+#endif
{
int cputype;
cputype = 0;
else
{
- bfd_byte buf[SYMESZ];
+ bfd_byte *buf;
struct internal_syment sym;
+ buf = (bfd_byte *) bfd_malloc (bfd_coff_symesz (abfd));
if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
- || bfd_read (buf, 1, SYMESZ, abfd) != SYMESZ)
- return false;
- coff_swap_sym_in (abfd, (PTR) buf, (PTR) &sym);
+ || (bfd_read (buf, 1, bfd_coff_symesz (abfd), abfd)
+ != bfd_coff_symesz (abfd)))
+ {
+ free (buf);
+ return false;
+ }
+ bfd_coff_swap_sym_in (abfd, (PTR) buf, (PTR) &sym);
if (sym.n_sclass == C_FILE)
cputype = sym.n_type & 0xff;
else
cputype = 0;
+ free (buf);
}
}
machine = 0;
#else
arch = bfd_arch_rs6000;
+#ifdef XCOFF64
+ machine = 620;
+#else
machine = 6000;
+#endif
#endif /* POWERMAC */
break;
#ifdef SH_ARCH_MAGIC_BIG
case SH_ARCH_MAGIC_BIG:
case SH_ARCH_MAGIC_LITTLE:
+#ifdef COFF_WITH_PE
+ case SH_ARCH_MAGIC_WINCE:
+#endif
arch = bfd_arch_sh;
machine = 0;
break;
#endif
+#ifdef MIPS_ARCH_MAGIC_WINCE
+ case MIPS_ARCH_MAGIC_WINCE:
+ arch = bfd_arch_mips;
+ machine = 0;
+ break;
+#endif
+
#ifdef H8500MAGIC
case H8500MAGIC:
arch = bfd_arch_h8500;
break;
#endif
-/* start-sanitize-tic80 */
+#ifdef TICOFF0MAGIC
+#ifdef TICOFF_TARGET_ARCH
+ /* this TI COFF section should be used by all new TI COFF v0 targets */
+ case TICOFF0MAGIC:
+ arch = TICOFF_TARGET_ARCH;
+ break;
+#endif
+#endif
+
+#ifdef TICOFF1MAGIC
+ /* this TI COFF section should be used by all new TI COFF v1/2 targets */
+ /* TI COFF1 and COFF2 use the target_id field to specify which arch */
+ case TICOFF1MAGIC:
+ case TICOFF2MAGIC:
+ switch (internal_f->f_target_id)
+ {
+#ifdef TI_TARGET_ID
+ case TI_TARGET_ID:
+ arch = TICOFF_TARGET_ARCH;
+ break;
+#endif
+ default:
+ arch = bfd_arch_obscure;
+ (*_bfd_error_handler)
+ (_("Unrecognized TI COFF target id '0x%x'"),
+ internal_f->f_target_id);
+ break;
+ }
+ break;
+#endif
+
#ifdef TIC80_ARCH_MAGIC
case TIC80_ARCH_MAGIC:
arch = bfd_arch_tic80;
break;
#endif
-/* end-sanitize-tic80 */
+#ifdef MCOREMAGIC
+ case MCOREMAGIC:
+ arch = bfd_arch_mcore;
+ break;
+#endif
default: /* Unreadable input file type */
arch = bfd_arch_obscure;
break;
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;
#ifdef RS6000COFF_C
+#ifdef XCOFF64
+#define FORCE_SYMNAMES_IN_STRINGS
+#endif
+
/* Handle the csect auxent of a C_EXT or C_HIDEXT symbol. */
static boolean coff_pointerize_aux_hook
/*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. */
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
#endif
if (q->sym_ptr_ptr)
{
+#ifdef SECTION_RELATIVE_ABSOLUTE_SYMBOL_P
+ if (SECTION_RELATIVE_ABSOLUTE_SYMBOL_P (q,s))
+#else
if (q->sym_ptr_ptr == bfd_abs_section_ptr->symbol_ptr_ptr)
+#endif
/* This is a relocation relative to the absolute symbol. */
n.r_symndx = -1;
else
n.r_type = q->howto->type;
#endif
coff_swap_reloc_out (abfd, &n, &dst);
- if (bfd_write ((PTR) & dst, 1, RELSZ, abfd) != RELSZ)
+ if (bfd_write ((PTR) & dst, 1, bfd_coff_relsz (abfd), abfd)
+ != bfd_coff_relsz (abfd))
return false;
}
static boolean
coff_set_flags (abfd, magicp, flagsp)
bfd * abfd;
- unsigned int *magicp;
- unsigned short *flagsp;
+ unsigned int *magicp ATTRIBUTE_UNUSED;
+ unsigned short *flagsp ATTRIBUTE_UNUSED;
{
switch (bfd_get_arch (abfd))
{
*magicp = TIC30MAGIC;
return true;
#endif
-/* start-sanitize-tic80 */
+
+#ifdef TICOFF_DEFAULT_MAGIC
+ case TICOFF_TARGET_ARCH:
+ /* if there's no indication of which version we want, use the default */
+ if (!abfd->xvec )
+ *magicp = TICOFF_DEFAULT_MAGIC;
+ else
+ {
+ /* we may want to output in a different COFF version */
+ switch (abfd->xvec->name[4])
+ {
+ case '0':
+ *magicp = TICOFF0MAGIC;
+ break;
+ case '1':
+ *magicp = TICOFF1MAGIC;
+ break;
+ case '2':
+ *magicp = TICOFF2MAGIC;
+ break;
+ default:
+ return false;
+ }
+ }
+ return true;
+#endif
+
#ifdef TIC80_ARCH_MAGIC
case bfd_arch_tic80:
*magicp = TIC80_ARCH_MAGIC;
return true;
#endif
-/* end-sanitize-tic80 */
#ifdef ARMMAGIC
case bfd_arch_arm:
+#ifdef ARM_WINCE
+ * magicp = ARMPEMAGIC;
+#else
* magicp = ARMMAGIC;
+#endif
* flagsp = 0;
if (APCS_SET (abfd))
{
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
return true;
break;
#endif
+#ifdef IA64MAGIC
+ case bfd_arch_ia64:
+ *magicp = IA64MAGIC;
+ return true;
+ break;
+#endif
#ifdef MC68MAGIC
case bfd_arch_m68k:
#ifdef APOLLOM68KMAGIC
#ifdef SH_ARCH_MAGIC_BIG
case bfd_arch_sh:
+#ifdef COFF_IMAGE_WITH_PE
+ *magicp = SH_ARCH_MAGIC_WINCE;
+#else
if (bfd_big_endian (abfd))
*magicp = SH_ARCH_MAGIC_BIG;
else
*magicp = SH_ARCH_MAGIC_LITTLE;
+#endif
+ return true;
+ break;
+#endif
+
+#ifdef MIPS_ARCH_MAGIC_WINCE
+ case bfd_arch_mips:
+ *magicp = MIPS_ARCH_MAGIC_WINCE;
return true;
break;
#endif
break;
#endif
-#ifdef U802TOCMAGIC
+#ifdef RS6000COFF_C
case bfd_arch_rs6000:
#ifndef PPCMAGIC
case bfd_arch_powerpc:
#endif
- *magicp = U802TOCMAGIC;
+#ifdef XCOFF64
+ if (bfd_get_mach (abfd) == 620 && !strncmp (abfd->xvec->name,"aix", 3))
+ *magicp = U802TOC64MAGIC;
+ else
+#else
+ *magicp = U802TOCMAGIC;
+#endif
return true;
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. */
return true; /* We're easy ... */
}
+#ifdef COFF_IMAGE_WITH_PE
+
+/* This is used to sort sections by VMA, as required by PE image
+ files. */
+
+static int sort_by_secaddr PARAMS ((const PTR, const PTR));
+
+static int
+sort_by_secaddr (arg1, arg2)
+ const PTR arg1;
+ const PTR arg2;
+{
+ const asection *a = *(const asection **) arg1;
+ const asection *b = *(const asection **) arg2;
+
+ if (a->vma < b->vma)
+ return -1;
+ else if (a->vma > b->vma)
+ return 1;
+ else
+ return 0;
+}
+
+#endif /* COFF_IMAGE_WITH_PE */
/* Calculate the file position for each section. */
#ifndef I960
#define ALIGN_SECTIONS_IN_FILE
#endif
-/* start-sanitize-tic80 */
-#ifdef TIC80COFF
+#if defined(TIC80COFF) || defined(TICOFF)
#undef ALIGN_SECTIONS_IN_FILE
#endif
-/* end-sanitize-tic80 */
static boolean
coff_compute_section_file_positions (abfd)
{
asection *current;
asection *previous = (asection *) NULL;
- file_ptr sofar = FILHSZ;
+ file_ptr sofar = bfd_coff_filhsz (abfd);
boolean align_adjust;
- unsigned int count;
#ifdef ALIGN_SECTIONS_IN_FILE
file_ptr old_sofar;
#endif
size_t len;
len = strlen (bfd_asymbol_name (*symp));
- if (len > SYMNMLEN)
- sz += len + 3;
+ if (len > SYMNMLEN || bfd_coff_force_symnames_in_strings (abfd))
+ sz += len + 1 + bfd_coff_debug_string_prefix_length (abfd);
}
}
if (sz > 0)
}
if (abfd->flags & EXEC_P)
- sofar += AOUTSZ;
+ sofar += bfd_coff_aoutsz (abfd);
#ifdef RS6000COFF_C
else if (xcoff_data (abfd)->full_aouthdr)
- sofar += AOUTSZ;
+ sofar += bfd_coff_aoutsz (abfd);
else
sofar += SMALL_AOUTSZ;
#endif
- sofar += abfd->section_count * SCNHSZ;
+ sofar += abfd->section_count * bfd_coff_scnhsz (abfd);
#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;
+ sofar += bfd_coff_scnhsz (abfd);
#endif
+#ifdef COFF_IMAGE_WITH_PE
+ {
+ /* PE requires the sections to be in memory order when listed in
+ the section headers. It also does not like empty loadable
+ sections. The sections apparently do not have to be in the
+ right order in the image file itself, but we do need to get the
+ target_index values right. */
+
+ int count;
+ asection **section_list;
+ int i;
+ int target_index;
+
+ count = 0;
+ for (current = abfd->sections; current != NULL; current = current->next)
+ ++count;
+
+ /* We allocate an extra cell to simplify the final loop. */
+ section_list = bfd_malloc (sizeof (struct asection *) * (count + 1));
+ if (section_list == NULL)
+ return false;
+
+ i = 0;
+ for (current = abfd->sections; current != NULL; current = current->next)
+ {
+ section_list[i] = current;
+ ++i;
+ }
+ section_list[i] = NULL;
+
+ qsort (section_list, count, sizeof (asection *), sort_by_secaddr);
+
+ /* Rethread the linked list into sorted order; at the same time,
+ assign target_index values. */
+ target_index = 1;
+ abfd->sections = section_list[0];
+ for (i = 0; i < count; i++)
+ {
+ current = section_list[i];
+ current->next = section_list[i + 1];
+
+ /* Later, if the section has zero size, we'll be throwing it
+ away, so we don't want to number it now. Note that having
+ a zero size and having real contents are different
+ concepts: .bss has no contents, but (usually) non-zero
+ size. */
+ if (current->_raw_size == 0)
+ {
+ /* Discard. However, it still might have (valid) symbols
+ in it, so arbitrarily set it to section 1 (indexing is
+ 1-based here; usually .text). __end__ and other
+ contents of .endsection really have this happen.
+ FIXME: This seems somewhat dubious. */
+ current->target_index = 1;
+ }
+ else
+ current->target_index = target_index++;
+ }
+
+ free (section_list);
+ }
+#else /* ! COFF_IMAGE_WITH_PE */
+ {
+ /* Set the target_index field. */
+ int target_index;
+
+ target_index = 1;
+ for (current = abfd->sections; current != NULL; current = current->next)
+ current->target_index = target_index++;
+ }
+#endif /* ! COFF_IMAGE_WITH_PE */
+
align_adjust = false;
- for (current = abfd->sections, count = 1;
+ for (current = abfd->sections;
current != (asection *) NULL;
- current = current->next, ++count)
+ current = current->next)
{
#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)
+ /* 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->target_index = -1;
- --count;
- continue;
+ 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;
#endif
- current->target_index = count;
-
- /* Only deal with sections which have contents */
+ /* Only deal with sections which have contents. */
if (!(current->flags & SEC_HAS_CONTENTS))
continue;
+#ifdef COFF_IMAGE_WITH_PE
+ /* Make sure we skip empty sections in a PE image. */
+ if (current->_raw_size == 0)
+ continue;
+#endif
+
/* 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
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. */
-
- 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;
-
+ /* Set the padded size. */
current->_raw_size = (current->_raw_size + page_size -1) & -page_size;
#endif
asection *current;
boolean hasrelocs = false;
boolean haslinno = false;
+ boolean hasdebug = false;
file_ptr scn_base;
file_ptr reloc_base;
file_ptr lineno_base;
/* 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;
+ lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
if (abfd->output_has_begun == false)
{
for (current = abfd->sections; current != NULL; current =
current->next)
- reloc_size += current->reloc_count * RELSZ;
+ reloc_size += current->reloc_count * bfd_coff_relsz (abfd);
lineno_base = reloc_base + reloc_size;
sym_base = lineno_base + lnno_size;
{
current->line_filepos = lineno_base;
current->moving_line_filepos = lineno_base;
- lineno_base += current->lineno_count * LINESZ;
+ lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
}
else
{
if (current->reloc_count)
{
current->rel_filepos = reloc_base;
- reloc_base += current->reloc_count * RELSZ;
+ reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
}
else
{
internal_f.f_nscns = 0;
if ((abfd->flags & EXEC_P) != 0)
- scn_base = FILHSZ + AOUTSZ;
+ scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
else
{
- scn_base = FILHSZ;
+ scn_base = bfd_coff_filhsz (abfd);
#ifdef RS6000COFF_C
if (xcoff_data (abfd)->full_aouthdr)
- scn_base += AOUTSZ;
+ scn_base += bfd_coff_aoutsz (abfd);
else
scn_base += SMALL_AOUTSZ;
#endif
current = current->next)
{
struct internal_scnhdr section;
-
-#ifdef COFF_WITH_PE
- /* If we've got a .reloc section, remember. */
+ boolean is_reloc_section = false;
#ifdef COFF_IMAGE_WITH_PE
if (strcmp (current->name, ".reloc") == 0)
{
+ is_reloc_section = true;
+ hasrelocs = true;
pe_data (abfd)->has_reloc_section = 1;
}
#endif
-#endif
internal_f.f_nscns++;
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. */
+ with the code in coff_write_symbols and _bfd_coff_final_link. */
{
size_t len;
section.s_vaddr = current->vma;
section.s_paddr = current->lma;
section.s_size = current->_raw_size;
+#ifdef coff_get_section_load_page
+ section.s_page = coff_get_section_load_page (current);
+#endif
#ifdef COFF_WITH_PE
section.s_paddr = 0;
section.s_lnnoptr = current->line_filepos;
section.s_nreloc = current->reloc_count;
section.s_nlnno = current->lineno_count;
+#ifndef COFF_IMAGE_WITH_PE
+ /* In PEI, relocs come in the .reloc section. */
if (current->reloc_count != 0)
hasrelocs = true;
+#endif
if (current->lineno_count != 0)
haslinno = true;
+ if ((current->flags & SEC_DEBUGGING) != 0
+ && ! is_reloc_section)
+ hasdebug = true;
-#ifdef RS6000COFF_C
+#ifdef RS6000COFF_C
+#ifndef XCOFF64
/* 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
#endif
section.s_flags = sec_to_styp_flags (current->name, current->flags);
section.s_align = (current->alignment_power
? 1 << current->alignment_power
: 0);
-/* start-sanitize-tic80 */
-#else
-#ifdef TIC80COFF
+#endif
+#ifdef TIC80COFF
+ /* TI COFF puts the alignment power in bits 8-11 of the flags */
section.s_flags |= (current->alignment_power & 0xF) << 8;
#endif
-/* end-sanitize-tic80 */
+#ifdef COFF_ENCODE_ALIGNMENT
+ COFF_ENCODE_ALIGNMENT(section, current->alignment_power);
#endif
#ifdef COFF_IMAGE_WITH_PE
- /* suppress output of the sections if they are null. ld includes
- the bss and data sections even if there is no size assigned
- to them. NT loader doesn't like it if these section headers are
- included if the sections themselves are not needed */
+ /* Suppress output of the sections if they are null. ld
+ includes the bss and data sections even if there is no size
+ assigned to them. NT loader doesn't like it if these section
+ headers are included if the sections themselves are not
+ needed. See also coff_compute_section_file_positions. */
if (section.s_size == 0)
internal_f.f_nscns--;
else
{
SCNHDR buff;
if (coff_swap_scnhdr_out (abfd, §ion, &buff) == 0
- || bfd_write ((PTR) (&buff), 1, SCNHSZ, abfd) != SCNHSZ)
+ || bfd_write ((PTR) (&buff), 1, bfd_coff_scnhsz (abfd), abfd)
+ != bfd_coff_scnhsz (abfd))
return false;
}
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)
+ || bfd_write ((PTR) &buff, 1, bfd_coff_scnhsz (abfd), abfd)
+ != bfd_coff_scnhsz (abfd))
return false;
}
}
internal_f.f_flags = 0;
if (abfd->flags & EXEC_P)
- internal_f.f_opthdr = AOUTSZ;
+ internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
else
{
internal_f.f_opthdr = 0;
#ifdef RS6000COFF_C
if (xcoff_data (abfd)->full_aouthdr)
- internal_f.f_opthdr = AOUTSZ;
+ internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
else
internal_f.f_opthdr = SMALL_AOUTSZ;
#endif
internal_f.f_flags |= F_LNNO;
if (abfd->flags & EXEC_P)
internal_f.f_flags |= F_EXEC;
+#ifdef COFF_IMAGE_WITH_PE
+ if (! hasdebug)
+ internal_f.f_flags |= IMAGE_FILE_DEBUG_STRIPPED;
+#endif
- /* FIXME: this is wrong for PPC_PE! */
+#ifndef COFF_WITH_PE
if (bfd_little_endian (abfd))
internal_f.f_flags |= F_AR32WR;
else
internal_f.f_flags |= F_AR32W;
+#endif
-/* start-sanitize-tic80 */
+#ifdef TI_TARGET_ID
+ /* target id is used in TI COFF v1 and later; COFF0 won't use this field,
+ but it doesn't hurt to set it internally */
+ internal_f.f_target_id = TI_TARGET_ID;
+#endif
#ifdef TIC80_TARGET_ID
internal_f.f_target_id = TIC80_TARGET_ID;
#endif
-/* end-sanitize-tic80 */
/*
FIXME, should do something about the other byte orders and
internal_a.magic = NMAGIC; /* Assume separate i/d */
#define __A_MAGIC_SET__
#endif /* A29K */
-/* start-sanitize-tic80 */
+#ifdef TICOFF_AOUT_MAGIC
+ internal_a.magic = TICOFF_AOUT_MAGIC;
+#define __A_MAGIC_SET__
+#endif
#ifdef TIC80COFF
internal_a.magic = TIC80_ARCH_MAGIC;
#define __A_MAGIC_SET__
#endif /* TIC80 */
-/* end-sanitize-tic80 */
#ifdef I860
/* FIXME: What are the a.out magic numbers for the i860? */
internal_a.magic = 0;
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 /* I386 */
+#if defined(IA64)
+#define __A_MAGIC_SET__
+ internal_a.magic = ZMAGIC;
+#endif /* IA64 */
+
#if defined(SPARC)
#define __A_MAGIC_SET__
#if defined(LYNXOS)
RS6K_AOUTHDR_OMAGIC;
#endif
+#if defined(SH) && defined(COFF_WITH_PE)
+#define __A_MAGIC_SET__
+ internal_a.magic = SH_PE_MAGIC;
+#endif
+
+#if defined(MIPS) && defined(COFF_WITH_PE)
+#define __A_MAGIC_SET__
+ internal_a.magic = MIPS_PE_MAGIC;
+#endif
+
#ifndef __A_MAGIC_SET__
#include "Your aouthdr magic number is not being set!"
#else
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)
/* now write them */
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return false;
+
{
- char buff[FILHSZ];
+ char * buff;
+ bfd_size_type amount;
+
+ buff = bfd_malloc (bfd_coff_filhsz (abfd));
+ if (buff == NULL)
+ return false;
+
coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) buff);
- if (bfd_write ((PTR) buff, 1, FILHSZ, abfd) != FILHSZ)
+ amount = bfd_write ((PTR) buff, 1, bfd_coff_filhsz (abfd), abfd);
+
+ free (buff);
+
+ if (amount != bfd_coff_filhsz (abfd))
return false;
}
+
if (abfd->flags & EXEC_P)
{
/* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR.
include/coff/pe.h sets AOUTSZ == sizeof(PEAOUTHDR)) */
- char buff[AOUTSZ];
+ char * buff;
+ bfd_size_type amount;
+
+ buff = bfd_malloc (bfd_coff_aoutsz (abfd));
+ if (buff == NULL)
+ return false;
+
coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff);
- if (bfd_write ((PTR) buff, 1, AOUTSZ, abfd) != AOUTSZ)
+ amount = bfd_write ((PTR) buff, 1, bfd_coff_aoutsz (abfd), abfd);
+
+ free (buff);
+
+ if (amount != bfd_coff_aoutsz (abfd))
return false;
}
#ifdef RS6000COFF_C
/* XCOFF seems to always write at least a small a.out header. */
coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff);
if (xcoff_data (abfd)->full_aouthdr)
- size = AOUTSZ;
+ size = bfd_coff_aoutsz (abfd);
else
size = SMALL_AOUTSZ;
if (bfd_write ((PTR) &buff, 1, size, abfd) != size)
base of the line number information for the table is stored in
the symbol associated with the function.
+ Note: The PE format uses line number 0 for a flag indicating a
+ new source file.
+
The information is copied from the external to the internal
table, and each symbol which marks a function is marked by
pointing its...
native_lineno = (LINENO *) buy_and_read (abfd,
asect->line_filepos,
SEEK_SET,
- (size_t) (LINESZ *
+ (size_t) (bfd_coff_linesz (abfd) *
asect->lineno_count));
lineno_cache =
(alent *) bfd_alloc (abfd, (size_t) ((asect->lineno_count + 1) * sizeof (alent)));
while (counter < asect->lineno_count)
{
struct internal_lineno dst;
- coff_swap_lineno_in (abfd, src, &dst);
+ bfd_coff_swap_lineno_in (abfd, src, &dst);
cache_ptr->line_number = dst.l_lnno;
if (cache_ptr->line_number == 0)
return true;
}
+/* Slurp in the symbol table, converting it to generic form. Note
+ that if coff_relocate_section is defined, the linker will read
+ symbols via coff_link_add_symbols, rather than via this routine. */
+
static boolean
coff_slurp_symbol_table (abfd)
bfd * abfd;
#endif
case C_EXT:
+ case C_WEAKEXT:
#if defined ARM
case C_THUMBEXT:
case C_THUMBEXTFUNC:
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:
- /* PE uses storage class 0x69 for a weak external symbol. */
+ /* 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
- 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;
#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 */
case C_THUMBSTATFUNC:/* Thumb static function */
#endif
case C_LABEL: /* label */
- if (src->u.syment.n_scnum == -2)
+ if (src->u.syment.n_scnum == N_DEBUG)
dst->symbol.flags = BSF_DEBUGGING;
else
dst->symbol.flags = BSF_LOCAL;
#endif
case C_REGPARM: /* register parameter */
case C_REG: /* register variable */
-/* start-sanitize-tic80 */
-#ifndef TIC80COFF
-/* end-sanitize-tic80 */
+ /* C_AUTOARG conflictes with TI COFF C_UEXT */
+#if !defined (TIC80COFF) && !defined (TICOFF)
#ifdef C_AUTOARG
case C_AUTOARG: /* 960-specific storage class */
#endif
-/* start-sanitize-tic80 */
#endif
-/* end-sanitize-tic80 */
case C_TPDEF: /* type definition */
case C_ARG:
case C_AUTO: /* automatic variable */
for (sec = abfd->sections; sec != NULL; sec = sec->next)
if (sec->line_filepos <= (file_ptr) src->u.syment.n_value
&& ((file_ptr) (sec->line_filepos
- + sec->lineno_count * LINESZ)
+ + sec->lineno_count * bfd_coff_linesz (abfd))
> (file_ptr) src->u.syment.n_value))
break;
if (sec == NULL)
dst->symbol.section = sec;
dst->symbol.value = ((src->u.syment.n_value
- sec->line_filepos)
- / LINESZ);
+ / bfd_coff_linesz (abfd));
src->fix_line = 1;
}
}
#endif
case C_BLOCK: /* ".bb" or ".eb" */
- case C_FCN: /* ".bf" or ".ef" */
+ case C_FCN: /* ".bf" or ".ef" (or PE ".lf") */
case C_EFCN: /* physical end of function */
- 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;
+ if (strcmp (dst->symbol.name, ".bf") != 0)
+ {
+ /* PE uses funny values for .ef and .lf; don't
+ relocate them. */
+ dst->symbol.flags = BSF_DEBUGGING;
+ }
+ else
+ dst->symbol.flags = BSF_DEBUGGING | BSF_DEBUGGING_RELOC;
#else
/* Base the value as an index from the base of the
section. */
+ dst->symbol.flags = BSF_LOCAL;
dst->symbol.value = (src->u.syment.n_value
- dst->symbol.section->vma);
#endif
break;
+ case C_STATLAB: /* Static load time label */
+ dst->symbol.value = src->u.syment.n_value;
+ dst->symbol.flags = BSF_GLOBAL;
+ break;
+
case C_NULL:
+ /* PE DLLs sometimes have zeroed out symbols for some
+ reason. Just ignore them without a warning. */
+ if (src->u.syment.n_type == 0
+ && src->u.syment.n_value == 0
+ && src->u.syment.n_scnum == 0)
+ break;
+ /* Fall through. */
case C_EXTDEF: /* external definition */
case C_ULABEL: /* undefined label */
case C_USTATIC: /* undefined static */
/* NT uses 0x67 for a weak symbol, not C_ALIAS. */
case C_ALIAS: /* duplicate tag */
#endif
-/* start-sanitize-tic80 */
- /* New storage classes for TIc80 */
-#ifdef TIC80COFF
+ /* New storage classes for TI COFF */
+#if defined(TIC80COFF) || defined(TICOFF)
case C_UEXT: /* Tentative external definition */
#endif
- case C_STATLAB: /* Static load time label */
case C_EXTLAB: /* External load time label */
-/* end-sanitize-tic80 */
case C_HIDDEN: /* ext symbol in dmert public lib */
default:
(*_bfd_error_handler)
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 COFFARM
-#define OTHER_GLOBAL_CLASS C_THUMBEXT || syment->n_sclass == C_THUMBEXTFUNC
-#else
-#ifdef COFF_WITH_PE
-#define OTHER_GLOBAL_CLASS C_SECTION
+#ifdef ARM
+ case C_THUMBEXT:
+ case C_THUMBEXTFUNC:
+#endif
+#ifdef C_SYSTEM
+ case C_SYSTEM:
#endif
+#ifdef COFF_WITH_PE
+ 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 PARAMS ((bfd *, struct internal_syment *));
+#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;
+ }
-static boolean
-coff_sym_is_global (abfd, syment)
- bfd * abfd;
- struct internal_syment * syment;
-{
- return (syment->n_sclass == OTHER_GLOBAL_CLASS);
-}
+#ifdef STRICT_PE_FORMAT
+ /* 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
+
+ return COFF_SYMBOL_LOCAL;
+ }
-#undef OTHER_GLOBAL_CLASS
+ 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 */
-#else /* ! defined (OTHER_GLOBAL_CLASS) */
+ /* If it is not a global symbol, we presume it is a local symbol. */
-/* sym_is_global should not be defined if it has nothing to do. */
+ if (syment->n_scnum == 0)
+ {
+ char buf[SYMNMLEN + 1];
-#define coff_sym_is_global 0
+ (*_bfd_error_handler)
+ (_("warning: %s: local symbol `%s' has no section"),
+ bfd_get_filename (abfd),
+ _bfd_coff_internal_syment_name (abfd, syment, buf));
+ }
-#endif /* ! defined (OTHER_GLOBAL_CLASS) */
+ return COFF_SYMBOL_LOCAL;
+}
/*
SUBSUBSECTION
(RELOC *) buy_and_read (abfd,
asect->rel_filepos,
SEEK_SET,
- (size_t) (RELSZ *
+ (size_t) (bfd_coff_relsz (abfd) *
asect->reloc_count));
reloc_cache = (arelent *)
bfd_alloc (abfd, (size_t) (asect->reloc_count * sizeof (arelent)));
/*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;
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 ();
+ return 0;
}
#endif
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
#ifndef coff_link_output_has_begun
-#define coff_link_output_has_begun _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)
+coff_link_output_has_begun (abfd, info)
bfd * abfd;
- struct bfd_link_info * info;
+ struct coff_final_link_info * info ATTRIBUTE_UNUSED;
{
return abfd->output_has_begun;
}
#endif
#ifndef coff_final_link_postscript
-#define coff_final_link_postscript _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;
- struct coff_final_link_info * pfinfo;
+coff_final_link_postscript (abfd, pfinfo)
+ bfd * abfd ATTRIBUTE_UNUSED;
+ struct coff_final_link_info * pfinfo ATTRIBUTE_UNUSED;
{
return true;
}
#define coff_SWAP_scnhdr_in coff_swap_scnhdr_in
#endif
-
-
-static CONST bfd_coff_backend_data bfd_coff_std_swap_table =
+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,
- FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ,
+ FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
#ifdef COFF_LONG_FILENAMES
true,
#else
#else
false,
#endif
- COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
+ COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
+#ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
+ true,
+#else
+ false,
+#endif
+#ifdef COFF_DEBUG_STRING_WIDE_PREFIX
+ 4,
+#else
+ 2,
+#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,
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_link_add_one_symbol,
coff_link_output_has_begun, coff_final_link_postscript
#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 \
+};