/* Support for the generic parts of most COFF variants, for BFD.
- Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
coff backends
BFD supports a number of different flavours of coff format.
- The major difference between formats are the sizes and
+ The major differences between formats are the sizes and
alignments of fields in structures on disk, and the occasional
extra field.
- Coff in all its varieties is implimented with a few common
+ Coff in all its varieties is implemented with a few common
files and a number of implementation specific files. For
example, The 88k bcs coff format is implemented in the file
- @code{coff-m88k.c}. This file @code{#include}s
- @code{coff-m88k.h} which defines the external structure of the
- coff format for the 88k, and @code{internalcoff.h} which
- defines the internal structure. @code{coff-m88k.c} also
- defines pthe relocations used by the 88k format
- @xref{Relocations}. Then the major portion of coff code is
- included (@code{coffcode.h}) which defines the methods used to
- act upon the types defined in @code{coff-m88k.h} and
- @code{internalcoff.h}.
-
+ @file{coff-m88k.c}. This file @code{#include}s
+ @file{coff/m88k.h} which defines the external structure of the
+ coff format for the 88k, and @file{coff/internal.h} which
+ defines the internal structure. @file{coff-m88k.c} also
+ defines the relocations used by the 88k format
+ @xref{Relocations}.
The Intel i960 processor version of coff is implemented in
- @code{coff-i960.c}. This file has the same structure as
- @code{coff-m88k.c}, except that it includes @code{coff-i960.h}
- rather than @code{coff-m88k.h}.
+ @file{coff-i960.c}. This file has the same structure as
+ @file{coff-m88k.c}, except that it includes @file{coff/i960.h}
+ rather than @file{coff-m88k.h}.
SUBSECTION
- Porting To A New Version of Coff
+ Porting to a new version of coff
The recommended method is to select from the existing
- implimentations the version of coff which is most like the one
- you want to use, for our purposes, we'll say that i386 coff is
+ implementations the version of coff which is most like the one
+ you want to use. For example, we'll say that i386 coff is
the one you select, and that your coff flavour is called foo.
- Copy the @code{i386coff.c} to @code{foocoff.c}, copy
- @code{../include/i386coff.h} to @code{../include/foocoff.h}
- and add the lines to @code{targets.c} and @code{Makefile.in}
+ Copy @file{i386coff.c} to @file{foocoff.c}, copy
+ @file{../include/coff/i386.h} to @file{../include/coff/foo.h},
+ and add the lines to @file{targets.c} and @file{Makefile.in}
so that your new back end is used. Alter the shapes of the
- structures in @code{../include/foocoff.h} so that they match
+ structures in @file{../include/coff/foo.h} so that they match
what you need. You will probably also have to add
- @code{#ifdef}s to the code in @code{internalcoff.h} and
- @code{coffcode.h} if your version of coff is too wild.
+ @code{#ifdef}s to the code in @file{coff/internal.h} and
+ @file{coffcode.h} if your version of coff is too wild.
You can verify that your new BFD backend works quite simply by
- building @code{objdump} from the @code{binutils} directory,
- and making sure that its version of what's going on at your
- host systems idea (assuming it has the pretty standard coff
- dump utility (usually called @code{att-dump} or just
- @code{dump})) are the same. Then clean up your code, and send
+ building @file{objdump} from the @file{binutils} directory,
+ and making sure that its version of what's going on and your
+ host system's idea (assuming it has the pretty standard coff
+ dump utility, usually called @code{att-dump} or just
+ @code{dump}) are the same. Then clean up your code, and send
what you've done to Cygnus. Then your stuff will be in the
next release, and you won't have to keep integrating it.
SUBSECTION
- How The Coff Backend Works
+ How the coff backend works
+
+SUBSUBSECTION
+ File layout
+
+ The Coff backend is split into generic routines that are
+ applicable to any Coff target and routines that are specific
+ to a particular target. The target-specific routines are
+ further split into ones which are basically the same for all
+ Coff targets except that they use the external symbol format
+ or use different values for certain constants.
+
+ The generic routines are in @file{coffgen.c}. These routines
+ work for any Coff target. They use some hooks into the target
+ specific code; the hooks are in a @code{bfd_coff_backend_data}
+ structure, one of which exists for each target.
+
+ The essentially similar target-specific routines are in
+ @file{coffcode.h}. This header file includes executable C code.
+ The various Coff targets first include the appropriate Coff
+ header file, make any special defines that are needed, and
+ then include @file{coffcode.h}.
+
+ Some of the Coff targets then also have additional routines in
+ the target source file itself.
+
+ For example, @file{coff-i960.c} includes
+ @file{coff/internal.h} and @file{coff/i960.h}. It then
+ defines a few constants, such as @code{I960}, and includes
+ @file{coffcode.h}. Since the i960 has complex relocation
+ types, @file{coff-i960.c} also includes some code to
+ manipulate the i960 relocs. This code is not in
+ @file{coffcode.h} because it would not be used by any other
+ target.
SUBSUBSECTION
- Bit Twiddling
+ Bit twiddling
Each flavour of coff supported in BFD has its own header file
- descibing the external layout of the structures. There is also
- an internal description of the coff layout (in
- @code{internalcoff.h}). A major function of the
+ describing the external layout of the structures. There is also
+ an internal description of the coff layout, in
+ @file{coff/internal.h}. A major function of the
coff backend is swapping the bytes and twiddling the bits to
translate the external form of the structures into the normal
internal form. This is all performed in the
@code{bfd_swap}_@i{thing}_@i{direction} routines. Some
elements are different sizes between different versions of
- coff, it is the duty of the coff version specific include file
+ coff; it is the duty of the coff version specific include file
to override the definitions of various packing routines in
- @code{coffcode.h}. Eg the size of line number entry in coff is
+ @file{coffcode.h}. E.g., the size of line number entry in coff is
sometimes 16 bits, and sometimes 32 bits. @code{#define}ing
@code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the
correct one. No doubt, some day someone will find a version of
- coff which has a varying field size not catered for at the
+ coff which has a varying field size not catered to at the
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}
@code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track
of all the symbol table and reloc drudgery itself, thereby
saving the internal BFD overhead, but uses BFD to swap things
- on the way out, making cross ports much safer. This also
+ on the way out, making cross ports much safer. Doing so also
allows BFD (and thus the linker) to use the same header files
as @code{gas}, which makes one avenue to disaster disappear.
SUBSUBSECTION
- Symbol Reading
+ Symbol reading
The simple canonical form for symbols used by BFD is not rich
enough to keep all the information available in a coff symbol
- table. The back end gets around this by keeping the original
+ table. The back end gets around this problem by keeping the original
symbol table around, "behind the scenes".
When a symbol table is requested (through a call to
- @code{bfd_canonicalize_symtab}, a request gets through to
- @code{get_normalized_symtab}. This reads the symbol table from
+ @code{bfd_canonicalize_symtab}), a request gets through to
+ @code{coff_get_normalized_symtab}. This reads the symbol table from
the coff file and swaps all the structures inside into the
internal form. It also fixes up all the pointers in the table
(represented in the file by offsets from the first symbol in
the table) into physical pointers to elements in the new
internal table. This involves some work since the meanings of
- fields changes depending upon context; a field that is a
+ fields change depending upon context: a field that is a
pointer to another structure in the symbol table at one moment
- may be the size in bytes of a structure in the next. Another
+ may be the size in bytes of a structure at the next. Another
pass is made over the table. All symbols which mark file names
(<<C_FILE>> symbols) are modified so that the internal
string points to the value in the auxent (the real filename)
At this time the symbol names are moved around. Coff stores
all symbols less than nine characters long physically
- within the symbol table, longer strings are kept at the end of
+ within the symbol table; longer strings are kept at the end of
the file in the string table. This pass moves all strings
- into memory, and replaces them with pointers to the strings.
+ into memory and replaces them with pointers to the strings.
The symbol table is massaged once again, this time to create
the canonical table used by the BFD application. Each symbol
is inspected in turn, and a decision made (using the
@code{sclass} field) about the various flags to set in the
- @code{asymbol} @xref{Symbols}. The generated canonical table
+ @code{asymbol}. @xref{Symbols}. The generated canonical table
shares strings with the hidden internal symbol table.
Any linenumbers are read from the coff file too, and attached
to the symbols which own the functions the linenumbers belong to.
SUBSUBSECTION
- Symbol Writing
+ Symbol writing
Writing a symbol to a coff file which didn't come from a coff
file will lose any debugging information. The @code{asymbol}
- structure remembers the BFD from which was born, and on output
- the back end makes sure that the same destination target as
+ structure remembers the BFD from which the symbol was taken, and on
+ output the back end makes sure that the same destination target as
source target is present.
When the symbols have come from a coff file then all the
0x100, would have the value 0x20. Coff expects symbols to
contain their final value, so symbols have their values
changed at this point to reflect their sum with their owning
- section. Note that this transformation uses the
+ section. This transformation uses the
<<output_section>> field of the @code{asymbol}'s
@code{asection} @xref{Sections}.
- o coff_mangle_symbols
+ o <<coff_mangle_symbols>>
This routine runs though the provided symbol table and uses
the offsets generated by the previous pass and the pointers
generated when the symbol table was read in to create the
structured hierachy required by coff. It changes each pointer
- to a symbol to an index into the symbol table of the symbol
- being referenced.
+ to a symbol into the index into the symbol table of the asymbol.
- o coff_write_symbols
+ o <<coff_write_symbols>>
This routine runs through the symbol table and patches up the
symbols from their internal form into the coff way, calls the
- bit twiddlers and writes out the tabel to the file.
+ bit twiddlers, and writes out the table to the file.
*/
coff_symbol_type
DESCRIPTION
- The hidden information for an asymbol is described in a
- coff_ptr_struct, which is typedefed to a combined_entry_type
+ The hidden information for an <<asymbol>> is described in a
+ <<combined_entry_type>>:
CODE_FRAGMENT
.
*/
#include "seclet.h"
-extern bfd_error_vector_type bfd_error_vector;
-
-
-
-
-#define PUTWORD bfd_h_put_32
-#define PUTHALF bfd_h_put_16
-#define PUTBYTE bfd_h_put_8
-
-#ifndef GET_FCN_LNNOPTR
-#define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
-#endif
-
-#ifndef GET_FCN_ENDNDX
-#define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx)
-#endif
-
-#ifndef PUT_FCN_LNNOPTR
-#define PUT_FCN_LNNOPTR(abfd, in, ext) PUTWORD(abfd, in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
-#endif
-#ifndef PUT_FCN_ENDNDX
-#define PUT_FCN_ENDNDX(abfd, in, ext) PUTWORD(abfd, in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx)
-#endif
-#ifndef GET_LNSZ_LNNO
-#define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
-#endif
-#ifndef GET_LNSZ_SIZE
-#define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
-#endif
-#ifndef PUT_LNSZ_LNNO
-#define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_16(abfd, in, (bfd_byte *)ext->x_sym.x_misc.x_lnsz.x_lnno)
-#endif
-#ifndef PUT_LNSZ_SIZE
-#define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_16(abfd, in, (bfd_byte*) ext->x_sym.x_misc.x_lnsz.x_size)
-#endif
-#ifndef GET_SCN_SCNLEN
-#define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)
-#endif
-#ifndef GET_SCN_NRELOC
-#define GET_SCN_NRELOC(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *)ext->x_scn.x_nreloc)
-#endif
-#ifndef GET_SCN_NLINNO
-#define GET_SCN_NLINNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *)ext->x_scn.x_nlinno)
-#endif
-#ifndef PUT_SCN_SCNLEN
-#define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)
-#endif
-#ifndef PUT_SCN_NRELOC
-#define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_16(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)
-#endif
-#ifndef PUT_SCN_NLINNO
-#define PUT_SCN_NLINNO(abfd,in, ext) bfd_h_put_16(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno)
-#endif
-#ifndef GET_LINENO_LNNO
-#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno));
-#endif
-#ifndef PUT_LINENO_LNNO
-#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val, (bfd_byte *) (ext->l_lnno));
-#endif
-
+#include "coffswap.h"
\f
/* void warning(); */
* in styp_to_sec_flags().
*/
static long
-DEFUN(sec_to_styp_flags, (sec_name, sec_flags),
- CONST char * sec_name AND
- flagword sec_flags)
+sec_to_styp_flags (sec_name, sec_flags)
+ CONST char *sec_name;
+ flagword sec_flags;
{
- long styp_flags = 0;
+ long styp_flags = 0;
- if (!strcmp(sec_name, _TEXT)) {
- return((long)STYP_TEXT);
- } else if (!strcmp(sec_name, _DATA)) {
- return((long)STYP_DATA);
+ if (!strcmp(sec_name, _TEXT))
+ {
+ styp_flags = STYP_TEXT;
+ }
+ else if (!strcmp(sec_name, _DATA))
+ {
+ styp_flags = STYP_DATA;
#ifdef TWO_DATA_SECS
- } else if (!strcmp(sec_name, ".data2")) {
- return((long)STYP_DATA);
-#endif /* TWO_DATA_SECS */
- } else if (!strcmp(sec_name, _BSS)) {
- return((long)STYP_BSS);
+ }
+ else if (!strcmp(sec_name, ".data2"))
+ {
+ styp_flags = STYP_DATA;
+#endif /* TWO_DATA_SECS */
+ }
+ else if (!strcmp(sec_name, _BSS))
+ {
+ styp_flags = STYP_BSS;
#ifdef _COMMENT
- } else if (!strcmp(sec_name, _COMMENT)) {
- return((long)STYP_INFO);
-#endif /* _COMMENT */
+ }
+ else if (!strcmp(sec_name, _COMMENT))
+ {
+ styp_flags = STYP_INFO;
+#endif /* _COMMENT */
#ifdef _LIB
- } else if (!strcmp(sec_name, _LIB)) {
- return((long)STYP_LIB);
-#endif /* _LIB */
}
-
-/* Try and figure out what it should be */
- if (sec_flags & SEC_CODE) styp_flags = STYP_TEXT;
- if (sec_flags & SEC_DATA) styp_flags = STYP_DATA;
- else if (sec_flags & SEC_READONLY)
-#ifdef STYP_LIT /* 29k readonly text/data section */
- styp_flags = STYP_LIT;
+ else if (!strcmp(sec_name, _LIB))
+ {
+ styp_flags = STYP_LIB;
+#endif /* _LIB */
+#ifdef _LIT
+ }
+ else if (!strcmp (sec_name, _LIT))
+ {
+ styp_flags = STYP_LIT;
+#endif /* _LIT */
+ }
+ else if (!strcmp(sec_name, ".debug"))
+ {
+ styp_flags = STYP_INFO;
+ }
+ else if (!strcmp(sec_name, ".stab")
+ || !strncmp(sec_name, ".stabstr", 8))
+ {
+ styp_flags = STYP_INFO;
+ }
+ /* Try and figure out what it should be */
+ else if (sec_flags & SEC_CODE)
+ {
+ styp_flags = STYP_TEXT;
+ }
+ else if (sec_flags & SEC_DATA)
+ {
+ styp_flags = STYP_DATA;
+ }
+ else if (sec_flags & SEC_READONLY)
+ {
+#ifdef STYP_LIT /* 29k readonly text/data section */
+ styp_flags = STYP_LIT;
#else
- styp_flags = STYP_TEXT;
-#endif /* STYP_LIT */
- else if (sec_flags & SEC_LOAD) styp_flags = STYP_TEXT;
-
- if (styp_flags == 0) styp_flags = STYP_BSS;
+ styp_flags = STYP_TEXT;
+#endif /* STYP_LIT */
+ }
+ else if (sec_flags & SEC_LOAD)
+ {
+ styp_flags = STYP_TEXT;
+ }
+ else if (sec_flags & SEC_ALLOC)
+ {
+ styp_flags = STYP_BSS;
+ }
#ifdef STYP_NOLOAD
- if (sec_flags & SEC_NEVER_LOAD)
- styp_flags |= STYP_NOLOAD;
+ if (sec_flags & SEC_NEVER_LOAD)
+ styp_flags |= STYP_NOLOAD;
#endif
- return(styp_flags);
+ return(styp_flags);
}
/*
* Return a word with SEC_* flags set to represent the incoming
* in sec_to_styp_flags().
*/
static flagword
-DEFUN(styp_to_sec_flags, (styp_flags),
- long styp_flags)
+DEFUN(styp_to_sec_flags, (abfd, hdr),
+ bfd *abfd AND
+ PTR hdr)
{
+ struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
+ long styp_flags = internal_s->s_flags;
flagword sec_flags=0;
#ifdef STYP_NOLOAD
}
else if (styp_flags & STYP_BSS)
{
- sec_flags |= SEC_ALLOC;
+#ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
+ if (sec_flags & SEC_NEVER_LOAD)
+ sec_flags |= SEC_ALLOC | SEC_SHARED_LIBRARY;
+ else
+#endif
+ sec_flags |= SEC_ALLOC;
}
else if (styp_flags & STYP_INFO)
- {
- sec_flags |= SEC_NEVER_LOAD;
- }
+ {
+ /* This should be marked as SEC_DEBUGGING, but that can't be
+ done until we make sure that strip can still work. strip
+ will probably have to preserve the same number of sections to
+ ensure that the section vma matches the section file
+ position. */
+ }
else
{
sec_flags |= SEC_ALLOC | SEC_LOAD;
return(sec_flags);
}
-#define get_index(symbol) ((int) (symbol)->udata)
-#define set_index(symbol, idx) ((symbol)->udata =(PTR) (idx))
-
-/* **********************************************************************
-Here are all the routines for swapping the structures seen in the
-outside world into the internal forms.
-*/
+#define get_index(symbol) ((long) (symbol)->udata)
/*
INTERNAL_DEFINITION
CODE_FRAGMENT
-.typedef struct {
-Special entry points for gdb to swap in coff symbol table parts
-
+Special entry points for gdb to swap in coff symbol table parts:
+.typedef struct
+.{
. void (*_bfd_coff_swap_aux_in) PARAMS ((
. bfd *abfd ,
. PTR ext,
. PTR in));
.
-Special entry points for gas to swap coff parts
+Special entry points for gas to swap out coff parts:
. unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
. bfd *abfd,
. PTR in,
. PTR out));
.
+
+Special entry points for generic COFF routines to call target
+dependent COFF routines:
+
+. unsigned int _bfd_filhsz;
+. unsigned int _bfd_aoutsz;
+. unsigned int _bfd_scnhsz;
+. unsigned int _bfd_symesz;
+. unsigned int _bfd_auxesz;
+. unsigned int _bfd_linesz;
+. boolean _bfd_coff_long_filenames;
+. void (*_bfd_coff_swap_filehdr_in) PARAMS ((
+. bfd *abfd,
+. PTR ext,
+. PTR in));
+. void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
+. bfd *abfd,
+. PTR ext,
+. PTR in));
+. void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
+. bfd *abfd,
+. PTR ext,
+. PTR in));
+. boolean (*_bfd_coff_bad_format_hook) PARAMS ((
+. bfd *abfd,
+. PTR internal_filehdr));
+. boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
+. bfd *abfd,
+. PTR internal_filehdr));
+. PTR (*_bfd_coff_mkobject_hook) PARAMS ((
+. bfd *abfd,
+. PTR internal_filehdr,
+. PTR internal_aouthdr));
+. flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
+. bfd *abfd,
+. PTR internal_scnhdr));
+. asection *(*_bfd_make_section_hook) PARAMS ((
+. bfd *abfd,
+. char *name));
+. void (*_bfd_set_alignment_hook) PARAMS ((
+. bfd *abfd,
+. asection *sec,
+. PTR internal_scnhdr));
+. boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
+. bfd *abfd));
+. boolean (*_bfd_coff_symname_in_debug) PARAMS ((
+. bfd *abfd,
+. struct internal_syment *sym));
+. void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
+. bfd *abfd,
+. struct bfd_seclet *seclet,
+. arelent *reloc,
+. bfd_byte *data,
+. unsigned int *src_ptr,
+. unsigned int *dst_ptr));
+. int (*_bfd_coff_reloc16_estimate) PARAMS ((
+. asection *input_section,
+. asymbol **symbols,
+. arelent *r,
+. unsigned int shrink));
+.
.} bfd_coff_backend_data;
.
.#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
.#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
. ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
.
+.#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
+.#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
+.#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
+.#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
+.#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
+.#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_swap_filehdr_in(abfd, i,o) \
+. ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
+.
+.#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
+. ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
+.
+.#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
+. ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
+.
+.#define bfd_coff_bad_format_hook(abfd, filehdr) \
+. ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
+.
+.#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
+. ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
+.#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)\
+. ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr))
+.
+.#define bfd_coff_make_section_hook(abfd, name)\
+. ((coff_backend_info (abfd)->_bfd_make_section_hook) (abfd, name))
+.
+.#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
+. ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
+.
+.#define bfd_coff_slurp_symbol_table(abfd)\
+. ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
+.
+.#define bfd_coff_symname_in_debug(abfd, sym)\
+. ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
+.
+.#define bfd_coff_reloc16_extra_cases(abfd, seclet, reloc, data, src_ptr, dst_ptr)\
+. ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
+. (abfd, seclet, reloc, data, src_ptr, dst_ptr))
+.
+.#define bfd_coff_reloc16_estimate(abfd, section, symbols, reloc, shrink)\
+. ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
+. (section, symbols, reloc, shrink))
+.
*/
-static void
-DEFUN(bfd_swap_reloc_in,(abfd, reloc_src, reloc_dst),
- bfd *abfd AND
- RELOC *reloc_src AND
- struct internal_reloc *reloc_dst)
+/* See whether the magic number matches. */
+
+static boolean
+DEFUN(coff_bad_format_hook, (abfd, filehdr),
+ bfd *abfd AND
+ PTR filehdr)
{
- reloc_dst->r_vaddr = bfd_h_get_32(abfd, (bfd_byte *)reloc_src->r_vaddr);
- reloc_dst->r_symndx = bfd_h_get_32(abfd, (bfd_byte *) reloc_src->r_symndx);
+ struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
-#ifdef RS6000COFF_C
- reloc_dst->r_type = bfd_h_get_8(abfd, reloc_src->r_type);
- reloc_dst->r_size = bfd_h_get_8(abfd, reloc_src->r_size);
-#else
- reloc_dst->r_type = bfd_h_get_16(abfd, (bfd_byte *) reloc_src->r_type);
-#endif
+ if (BADMAG (*internal_f))
+ return false;
-#ifdef SWAP_IN_RELOC_OFFSET
- reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET(abfd,
- (bfd_byte *) reloc_src->r_offset);
-#endif
-}
+ /* if the optional header is NULL or not the correct size then
+ quit; the only difference I can see between m88k dgux headers (MC88DMAGIC)
+ and Intel 960 readwrite headers (I960WRMAGIC) is that the
+ optional header is of a different size.
+ But the mips keeps extra stuff in it's opthdr, so dont check
+ when doing that
+ */
-static unsigned int
-DEFUN(coff_swap_reloc_out,(abfd, src, dst),
- bfd *abfd AND
- PTR src AND
- PTR dst)
-{
- struct internal_reloc *reloc_src = (struct internal_reloc *)src;
- struct external_reloc *reloc_dst = (struct external_reloc *)dst;
- bfd_h_put_32(abfd, reloc_src->r_vaddr, (bfd_byte *) reloc_dst->r_vaddr);
- bfd_h_put_32(abfd, reloc_src->r_symndx, (bfd_byte *) reloc_dst->r_symndx);
- bfd_h_put_16(abfd, reloc_src->r_type, (bfd_byte *)
- reloc_dst->r_type);
-
-#ifdef SWAP_OUT_RELOC_OFFSET
- SWAP_OUT_RELOC_OFFSET(abfd,
- reloc_src->r_offset,
- (bfd_byte *) reloc_dst->r_offset);
-#endif
-#ifdef SWAP_OUT_RELOC_EXTRA
- SWAP_OUT_RELOC_EXTRA(abfd,reloc_src, reloc_dst);
+#if defined(M88) || defined(I960)
+ if (internal_f->f_opthdr != 0 && AOUTSZ != internal_f->f_opthdr)
+ return false;
#endif
- return sizeof(struct external_reloc);
-}
-
-static void
-DEFUN(bfd_swap_filehdr_in,(abfd, filehdr_src, filehdr_dst),
- bfd *abfd AND
- FILHDR *filehdr_src AND
- struct internal_filehdr *filehdr_dst)
-{
- filehdr_dst->f_magic = bfd_h_get_16(abfd, (bfd_byte *) filehdr_src->f_magic);
- filehdr_dst->f_nscns = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_nscns);
- filehdr_dst->f_timdat = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_timdat);
- filehdr_dst->f_symptr = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_symptr);
- filehdr_dst->f_nsyms = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_nsyms);
- filehdr_dst->f_opthdr = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_opthdr);
- filehdr_dst->f_flags = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_flags);
+ return true;
}
-static unsigned int
-DEFUN(coff_swap_filehdr_out,(abfd, in, out),
- bfd *abfd AND
- PTR in AND
- PTR out)
+static asection *
+DEFUN (coff_make_section_hook, (abfd, name),
+ bfd *abfd AND
+ char *name)
{
- struct internal_filehdr *filehdr_in = (struct internal_filehdr *)in;
- FILHDR *filehdr_out = (FILHDR *)out;
- bfd_h_put_16(abfd, filehdr_in->f_magic, (bfd_byte *) filehdr_out->f_magic);
- bfd_h_put_16(abfd, filehdr_in->f_nscns, (bfd_byte *) filehdr_out->f_nscns);
- bfd_h_put_32(abfd, filehdr_in->f_timdat, (bfd_byte *) filehdr_out->f_timdat);
- bfd_h_put_32(abfd, filehdr_in->f_symptr, (bfd_byte *) filehdr_out->f_symptr);
- bfd_h_put_32(abfd, filehdr_in->f_nsyms, (bfd_byte *) filehdr_out->f_nsyms);
- bfd_h_put_16(abfd, filehdr_in->f_opthdr, (bfd_byte *) filehdr_out->f_opthdr);
- bfd_h_put_16(abfd, filehdr_in->f_flags, (bfd_byte *) filehdr_out->f_flags);
- return sizeof(FILHDR);
+#ifdef TWO_DATA_SECS
+ /* FIXME: This predates the call to bfd_make_section_anyway
+ in make_a_section_from_file, and can probably go away. */
+ /* On SCO a file created by the Microsoft assembler can have two
+ .data sections. We use .data2 for the second one. */
+ if (strcmp (name, _DATA) == 0)
+ return bfd_make_section (abfd, ".data2");
+#endif
+ return (asection *) NULL;
}
+/*
+ initialize a section structure with information peculiar to this
+ particular implementation of coff
+*/
-#ifndef NO_COFF_SYMBOLS
-
-static void
-DEFUN(coff_swap_sym_in,(abfd, ext1, in1),
+static boolean
+DEFUN(coff_new_section_hook,(abfd, section),
bfd *abfd AND
- PTR ext1 AND
- PTR in1)
+ asection *section)
{
- SYMENT *ext = (SYMENT *)ext1;
- struct internal_syment *in = (struct internal_syment *)in1;
+ section->alignment_power = abfd->xvec->align_power_min;
+ /* Allocate aux records for section symbols, to store size and
+ related info.
- if( ext->e.e_name[0] == 0) {
- in->_n._n_n._n_zeroes = 0;
- in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e.e.e_offset);
- }
- else {
-#if SYMNMLEN != E_SYMNMLEN
- -> Error, we need to cope with truncating or extending SYMNMLEN!;
-#else
- memcpy(in->_n._n_name, ext->e.e_name, SYMNMLEN);
-#endif
- }
- in->n_value = bfd_h_get_32(abfd, (bfd_byte *) ext->e_value);
- in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
- if (sizeof(ext->e_type) == 2){
- in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
- }
- else {
- in->n_type = bfd_h_get_32(abfd, (bfd_byte *) ext->e_type);
- }
- in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
- in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
+ @@ Shouldn't use constant multiplier here! */
+ coffsymbol (section->symbol)->native =
+ (combined_entry_type *) bfd_zalloc (abfd,
+ sizeof (combined_entry_type) * 10);
+ return true;
}
-static unsigned int
-DEFUN(coff_swap_sym_out,(abfd, inp, extp),
- bfd *abfd AND
- PTR inp AND
- PTR extp)
-{
- struct internal_syment *in = (struct internal_syment *)inp;
- SYMENT *ext =(SYMENT *)extp;
- if(in->_n._n_name[0] == 0) {
- bfd_h_put_32(abfd, 0, (bfd_byte *) ext->e.e.e_zeroes);
- bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *) ext->e.e.e_offset);
- }
- else {
-#if SYMNMLEN != E_SYMNMLEN
- -> Error, we need to cope with truncating or extending SYMNMLEN!;
-#else
- memcpy(ext->e.e_name, in->_n._n_name, SYMNMLEN);
-#endif
- }
- bfd_h_put_32(abfd, in->n_value , (bfd_byte *) ext->e_value);
- bfd_h_put_16(abfd, in->n_scnum , (bfd_byte *) ext->e_scnum);
- if (sizeof(ext->e_type) == 2)
- {
- bfd_h_put_16(abfd, in->n_type , (bfd_byte *) ext->e_type);
- }
- else
- {
- bfd_h_put_32(abfd, in->n_type , (bfd_byte *) ext->e_type);
- }
- bfd_h_put_8(abfd, in->n_sclass , ext->e_sclass);
- bfd_h_put_8(abfd, in->n_numaux , ext->e_numaux);
- return sizeof(SYMENT);
-}
+
+#ifdef I960
+
+/* Set the alignment of a BFD section. */
static void
-DEFUN(coff_swap_aux_in,(abfd, ext1, type, class, in1),
- bfd *abfd AND
- PTR ext1 AND
- int type AND
- int class AND
- PTR in1)
+DEFUN (coff_set_alignment_hook, (abfd, section, scnhdr),
+ bfd *abfd AND
+ asection *section AND
+ PTR scnhdr)
{
- AUXENT *ext = (AUXENT *)ext1;
- union internal_auxent *in = (union internal_auxent *)in1;
-
- switch (class) {
- case C_FILE:
- if (ext->x_file.x_fname[0] == 0) {
- in->x_file.x_n.x_zeroes = 0;
- in->x_file.x_n.x_offset =
- bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset);
- } else {
-#if FILNMLEN != E_FILNMLEN
- -> Error, we need to cope with truncating or extending FILNMLEN!;
-#else
- memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
-#endif
- }
- break;
+ struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
+ unsigned int i;
- /* RS/6000 "csect" auxents */
-#ifdef RS6000COFF_C
- case C_EXT:
- case C_HIDEXT:
- in->x_csect.x_scnlen = bfd_h_get_32 (abfd, (bfd_byte *) ext->x_csect.x_scnlen);
- in->x_csect.x_parmhash = bfd_h_get_32 (abfd, (bfd_byte *) ext->x_csect.x_parmhash);
- in->x_csect.x_snhash = bfd_h_get_16 (abfd, (bfd_byte *) ext->x_csect.x_snhash);
- /* We don't have to hack bitfields in x_smtyp because it's defined by
- shifts-and-ands, which are equivalent on all byte orders. */
- in->x_csect.x_smtyp = bfd_h_get_8 (abfd, (bfd_byte *) ext->x_csect.x_smtyp);
- in->x_csect.x_smclas = bfd_h_get_8 (abfd, (bfd_byte *) ext->x_csect.x_smclas);
- in->x_csect.x_stab = bfd_h_get_32 (abfd, (bfd_byte *) ext->x_csect.x_stab);
- in->x_csect.x_snstab = bfd_h_get_16 (abfd, (bfd_byte *) ext->x_csect.x_snstab);
+ for (i = 0; i < 32; i++)
+ if ((1 << i) >= hdr->s_align)
break;
-#endif
-
- case C_STAT:
-#ifdef C_LEAFSTAT
- case C_LEAFSTAT:
-#endif
- case C_HIDDEN:
- if (type == T_NULL) {
- in->x_scn.x_scnlen = GET_SCN_SCNLEN(abfd, ext);
- in->x_scn.x_nreloc = GET_SCN_NRELOC(abfd, ext);
- in->x_scn.x_nlinno = GET_SCN_NLINNO(abfd, ext);
- break;
- }
- default:
- in->x_sym.x_tagndx.l = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_tagndx);
-#ifndef NO_TVNDX
- in->x_sym.x_tvndx = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_tvndx);
-#endif
-
- if (ISARY(type)) {
-#if DIMNUM != E_DIMNUM
- -> Error, we need to cope with truncating or extending DIMNUM!;
-#else
- in->x_sym.x_fcnary.x_ary.x_dimen[0] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
- in->x_sym.x_fcnary.x_ary.x_dimen[1] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
- in->x_sym.x_fcnary.x_ary.x_dimen[2] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
- in->x_sym.x_fcnary.x_ary.x_dimen[3] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
-#endif
- }
- if (class == C_BLOCK || ISFCN(type) || ISTAG(class)) {
- in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR(abfd, ext);
- in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX(abfd, ext);
- }
-
- if (ISFCN(type)) {
- in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_fsize);
- }
- else {
- in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO(abfd, ext);
- in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE(abfd, ext);
- }
- }
+ section->alignment_power = i;
}
-static unsigned int
-DEFUN(coff_swap_aux_out,(abfd, inp, type, class, extp),
- bfd *abfd AND
- PTR inp AND
- int type AND
- int class AND
- PTR extp)
-{
- union internal_auxent *in = (union internal_auxent *)inp;
- AUXENT *ext = (AUXENT *)extp;
-
- memset((PTR)ext, 0, AUXESZ);
- switch (class) {
- case C_FILE:
- if (in->x_file.x_fname[0] == 0) {
- PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
- PUTWORD(abfd,
- in->x_file.x_n.x_offset,
- (bfd_byte *) ext->x_file.x_n.x_offset);
- }
- else {
-#if FILNMLEN != E_FILNMLEN
- -> Error, we need to cope with truncating or extending FILNMLEN!;
-#else
- memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
-#endif
- }
- break;
+#else /* ! I960 */
-#ifdef RS6000COFF_C
- /* RS/6000 "csect" auxents */
- case C_EXT:
- case C_HIDEXT:
- PUTWORD (abfd, in->x_csect.x_scnlen, ext->x_csect.x_scnlen);
- PUTWORD (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
- PUTHALF (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
- /* We don't have to hack bitfields in x_smtyp because it's defined by
- shifts-and-ands, which are equivalent on all byte orders. */
- PUTBYTE (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
- PUTBYTE (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
- PUTWORD (abfd, in->x_csect.x_stab, ext->x_csect.x_stab);
- PUTHALF (abfd, in->x_csect.x_snstab, ext->x_csect.x_snstab);
- break;
-#endif
+#define coff_set_alignment_hook \
+ ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void)
- case C_STAT:
-#ifdef C_LEAFSTAT
- case C_LEAFSTAT:
-#endif
- case C_HIDDEN:
- if (type == T_NULL) {
- PUT_SCN_SCNLEN(abfd, in->x_scn.x_scnlen, ext);
- PUT_SCN_NRELOC(abfd, in->x_scn.x_nreloc, ext);
- PUT_SCN_NLINNO(abfd, in->x_scn.x_nlinno, ext);
- break;
- }
- default:
- PUTWORD(abfd, in->x_sym.x_tagndx.l, (bfd_byte *) ext->x_sym.x_tagndx);
-#ifndef NO_TVNDX
- bfd_h_put_16(abfd, in->x_sym.x_tvndx , (bfd_byte *) ext->x_sym.x_tvndx);
-#endif
+#endif /* ! I960 */
- if (class == C_BLOCK || ISFCN(type) || ISTAG(class)) {
- PUT_FCN_LNNOPTR(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
- PUT_FCN_ENDNDX(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
- }
+static boolean
+DEFUN(coff_mkobject,(abfd),
+ bfd *abfd)
+{
+ coff_data_type *coff;
- if (ISFCN(type)) {
- PUTWORD(abfd, in->x_sym.x_misc.x_fsize, (bfd_byte *) ext->x_sym.x_misc.x_fsize);
- }
- else {
- if (ISARY(type)) {
-#if DIMNUM != E_DIMNUM
- -> Error, we need to cope with truncating or extending DIMNUM!;
-#else
- bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
- bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
- bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
- bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
-#endif
- }
- PUT_LNSZ_LNNO(abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
- PUT_LNSZ_SIZE(abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
- }
+ abfd->tdata.coff_obj_data = (struct coff_tdata *)bfd_zalloc (abfd,sizeof(coff_data_type));
+ if (abfd->tdata.coff_obj_data == 0){
+ bfd_error = no_memory;
+ return false;
}
-return sizeof(AUXENT);
+ coff = coff_data (abfd);
+ coff->symbols = (coff_symbol_type *) NULL;
+ coff->conversion_table = (unsigned int *) NULL;
+ coff->raw_syments = (struct coff_ptr_struct *) NULL;
+ coff->raw_linenos = (struct lineno *) NULL;
+ coff->relocbase = 0;
+/* make_abs_section(abfd);*/
+ return true;
}
-#endif /* NO_COFF_SYMBOLS */
-
-#ifndef NO_COFF_LINENOS
+/* Create the COFF backend specific information. */
-static void
-DEFUN(coff_swap_lineno_in,(abfd, ext1, in1),
+static PTR
+DEFUN(coff_mkobject_hook,(abfd, filehdr, aouthdr),
bfd *abfd AND
- PTR ext1 AND
- PTR in1)
+ PTR filehdr AND
+ PTR aouthdr)
{
- LINENO *ext = (LINENO *)ext1;
- struct internal_lineno *in = (struct internal_lineno *)in1;
+ struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
+ coff_data_type *coff;
- in->l_addr.l_symndx = bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
- in->l_lnno = GET_LINENO_LNNO(abfd, ext);
-}
+ if (coff_mkobject (abfd) == false)
+ return NULL;
-static unsigned int
-DEFUN(coff_swap_lineno_out,(abfd, inp, outp),
- bfd *abfd AND
- PTR inp AND
- PTR outp)
-{
- struct internal_lineno *in = (struct internal_lineno *)inp;
- struct external_lineno *ext = (struct external_lineno *)outp;
- PUTWORD(abfd, in->l_addr.l_symndx, (bfd_byte *)
- ext->l_addr.l_symndx);
+ coff = coff_data (abfd);
- PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
- return sizeof(struct external_lineno);
-}
+ coff->sym_filepos = internal_f->f_symptr;
+ coff->flags = internal_f->f_flags;
+
+ /* These members communicate important constants about the symbol
+ table to GDB's symbol-reading code. These `constants'
+ unfortunately vary among coff implementations... */
+ coff->local_n_btmask = N_BTMASK;
+ 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;
-#endif /* NO_COFF_LINENOS */
+ return (PTR) coff;
+}
+/* Determine the machine architecture and type. FIXME: This is target
+ dependent because the magic numbers are defined in the target
+ dependent header files. But there is no particular need for this.
+ If the magic numbers were moved to a separate file, this function
+ would be target independent and would also be much more successful
+ at linking together COFF files for different architectures. */
-static void
-DEFUN(bfd_swap_aouthdr_in,(abfd, aouthdr_ext1, aouthdr_int1),
- bfd *abfd AND
- PTR aouthdr_ext1 AND
- PTR aouthdr_int1)
+static boolean
+coff_set_arch_mach_hook(abfd, filehdr)
+ bfd *abfd;
+ PTR filehdr;
{
- AOUTHDR *aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
- struct internal_aouthdr *aouthdr_int = (struct internal_aouthdr *)aouthdr_int1;
-
- aouthdr_int->magic = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->magic);
- aouthdr_int->vstamp = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->vstamp);
- aouthdr_int->tsize = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->tsize);
- aouthdr_int->dsize = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->dsize);
- aouthdr_int->bsize = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->bsize);
- aouthdr_int->entry = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->entry);
- aouthdr_int->text_start = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->text_start);
- aouthdr_int->data_start = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->data_start);
-#ifdef I960
- aouthdr_int->tagentries = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->tagentries);
+ long machine;
+ enum bfd_architecture arch;
+ struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
+
+ machine = 0;
+ switch (internal_f->f_magic) {
+#ifdef I386MAGIC
+ case I386MAGIC:
+ case I386PTXMAGIC:
+ case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler */
+ case LYNXCOFFMAGIC: /* shadows the m68k Lynx number below, sigh */
+ arch = bfd_arch_i386;
+ machine = 0;
+ break;
#endif
-#ifdef RS6000COFF_C
- aouthdr_int->o_toc = bfd_h_get_32(abfd, aouthdr_ext->o_toc);
- aouthdr_int->o_snentry = bfd_h_get_16(abfd, aouthdr_ext->o_snentry);
- aouthdr_int->o_sntext = bfd_h_get_16(abfd, aouthdr_ext->o_sntext);
- aouthdr_int->o_sndata = bfd_h_get_16(abfd, aouthdr_ext->o_sndata);
- aouthdr_int->o_sntoc = bfd_h_get_16(abfd, aouthdr_ext->o_sntoc);
- aouthdr_int->o_snloader = bfd_h_get_16(abfd, aouthdr_ext->o_snloader);
- aouthdr_int->o_snbss = bfd_h_get_16(abfd, aouthdr_ext->o_snbss);
- aouthdr_int->o_algntext = bfd_h_get_16(abfd, aouthdr_ext->o_algntext);
- aouthdr_int->o_algndata = bfd_h_get_16(abfd, aouthdr_ext->o_algndata);
- aouthdr_int->o_modtype = bfd_h_get_16(abfd, aouthdr_ext->o_modtype);
- aouthdr_int->o_maxstack = bfd_h_get_32(abfd, aouthdr_ext->o_maxstack);
-#endif
-}
-
-static unsigned int
-DEFUN(coff_swap_aouthdr_out,(abfd, in, out),
- bfd *abfd AND
- PTR in AND
- PTR out)
-{
- struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *)in;
- AOUTHDR *aouthdr_out = (AOUTHDR *)out;
- bfd_h_put_16(abfd, aouthdr_in->magic, (bfd_byte *) aouthdr_out->magic);
- bfd_h_put_16(abfd, aouthdr_in->vstamp, (bfd_byte *) aouthdr_out->vstamp);
- bfd_h_put_32(abfd, aouthdr_in->tsize, (bfd_byte *) aouthdr_out->tsize);
- bfd_h_put_32(abfd, aouthdr_in->dsize, (bfd_byte *) aouthdr_out->dsize);
- bfd_h_put_32(abfd, aouthdr_in->bsize, (bfd_byte *) aouthdr_out->bsize);
- bfd_h_put_32(abfd, aouthdr_in->entry, (bfd_byte *) aouthdr_out->entry);
- bfd_h_put_32(abfd, aouthdr_in->text_start,
- (bfd_byte *) aouthdr_out->text_start);
- bfd_h_put_32(abfd, aouthdr_in->data_start, (bfd_byte *) aouthdr_out->data_start);
-#ifdef I960
- bfd_h_put_32(abfd, aouthdr_in->tagentries, (bfd_byte *) aouthdr_out->tagentries);
-#endif
- return sizeof(AOUTHDR);
-}
-
-static void
-DEFUN(coff_swap_scnhdr_in,(abfd, scnhdr_ext, scnhdr_int),
- bfd *abfd AND
- SCNHDR *scnhdr_ext AND
- struct internal_scnhdr *scnhdr_int)
-{
- memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name));
- scnhdr_int->s_vaddr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_vaddr);
- scnhdr_int->s_paddr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_paddr);
- scnhdr_int->s_size = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_size);
-
- scnhdr_int->s_scnptr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_scnptr);
- scnhdr_int->s_relptr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_relptr);
- scnhdr_int->s_lnnoptr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_lnnoptr);
- scnhdr_int->s_flags = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_flags);
-#if defined(M88)
- scnhdr_int->s_nreloc = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
- scnhdr_int->s_nlnno = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nlnno);
-#else
- scnhdr_int->s_nreloc = bfd_h_get_16(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
- scnhdr_int->s_nlnno = bfd_h_get_16(abfd, (bfd_byte *) scnhdr_ext->s_nlnno);
-#endif
-#ifdef I960
- scnhdr_int->s_align = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_align);
-#endif
-}
-
-static unsigned int
-DEFUN(coff_swap_scnhdr_out,(abfd, in, out),
- bfd *abfd AND
- PTR in AND
- PTR out)
-{
- struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *)in;
- SCNHDR *scnhdr_ext = (SCNHDR *)out;
- memcpy(scnhdr_ext->s_name, scnhdr_int->s_name, sizeof(scnhdr_int->s_name));
- PUTWORD(abfd, scnhdr_int->s_vaddr, (bfd_byte *) scnhdr_ext->s_vaddr);
- PUTWORD(abfd, scnhdr_int->s_paddr, (bfd_byte *) scnhdr_ext->s_paddr);
- PUTWORD(abfd, scnhdr_int->s_size, (bfd_byte *) scnhdr_ext->s_size);
- PUTWORD(abfd, scnhdr_int->s_scnptr, (bfd_byte *) scnhdr_ext->s_scnptr);
- PUTWORD(abfd, scnhdr_int->s_relptr, (bfd_byte *) scnhdr_ext->s_relptr);
- PUTWORD(abfd, scnhdr_int->s_lnnoptr, (bfd_byte *) scnhdr_ext->s_lnnoptr);
- PUTWORD(abfd, scnhdr_int->s_flags, (bfd_byte *) scnhdr_ext->s_flags);
-#if defined(M88)
- PUTWORD(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
- PUTWORD(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
-#else
- PUTHALF(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
- PUTHALF(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
-#endif
-
-#if defined(I960)
- PUTWORD(abfd, scnhdr_int->s_align, (bfd_byte *) scnhdr_ext->s_align);
-#endif
- return sizeof(SCNHDR);
-}
-
-
-/*
- initialize a section structure with information peculiar to this
- particular implementation of coff
-*/
-
-static boolean
-DEFUN(coff_new_section_hook,(abfd, section),
- bfd *abfd AND
- asection *section)
-{
- section->alignment_power = abfd->xvec->align_power_min;
- /* 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);
- return true;
-}
-
-static asection bfd_debug_section = { "*DEBUG*" };
-
-/* Take a section header read from a coff file (in HOST byte order),
- and make a BFD "section" out of it. */
-static boolean
-DEFUN(make_a_section_from_file,(abfd, hdr, target_index),
- bfd *abfd AND
- struct internal_scnhdr *hdr AND
- unsigned int target_index)
-{
- asection *return_section;
- char *name;
-
- /* Assorted wastage to null-terminate the name, thanks AT&T! */
- name = bfd_alloc(abfd, sizeof (hdr->s_name)+1);
- if (name == NULL) {
- bfd_error = no_memory;
- return false;
- }
- strncpy(name, (char *) &hdr->s_name[0], sizeof (hdr->s_name));
- name[sizeof (hdr->s_name)] = 0;
-
- return_section = bfd_make_section(abfd, name);
-#ifdef TWO_DATA_SECS
- /* On SCO a file created by the Microsoft assembler can have two
- .data sections. We use .data2 for the second one. */
- if (return_section == NULL && strcmp(name, _DATA) == 0)
- return_section = bfd_make_section(abfd, ".data2");
-#endif /* TWO_DATA_SECS */
- if (return_section == NULL)
- return false;
-
- /* s_paddr is presumed to be = to s_vaddr */
-
- return_section->vma = hdr->s_vaddr;
- return_section->_raw_size = hdr->s_size;
- return_section->filepos = hdr->s_scnptr;
- return_section->rel_filepos = hdr->s_relptr;
- return_section->reloc_count = hdr->s_nreloc;
-#ifdef I960
-
- /* FIXME, use a temp var rather than alignment_power */
- return_section->alignment_power = hdr->s_align;
-{
- unsigned int i;
- for (i = 0; i < 32; i++) {
- if ((1 << i) >= (int) (return_section->alignment_power)) {
- return_section->alignment_power = i;
- break;
- }
- }
-}
-
-#endif
-return_section->line_filepos = hdr->s_lnnoptr;
- /*
- return_section->linesize = hdr->s_nlnno * sizeof (struct lineno);
- */
-
- return_section->lineno_count = hdr->s_nlnno;
- return_section->userdata = NULL;
- return_section->next = (asection *) NULL;
- return_section->flags = styp_to_sec_flags(hdr->s_flags);
-
- return_section->target_index = target_index;
-
- if (hdr->s_nreloc != 0)
- return_section->flags |= SEC_RELOC;
- /* FIXME: should this check 'hdr->s_size > 0' */
- if (hdr->s_scnptr != 0)
- return_section->flags |= SEC_HAS_CONTENTS;
- return true;
-}
-static boolean
-DEFUN(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_error = no_memory;
- return false;
- }
- coff_data(abfd)->relocbase = 0;
-/* make_abs_section(abfd);*/
- return true;
-}
-
-static
-bfd_target *
-DEFUN(coff_real_object_p,(abfd, nscns, internal_f, internal_a),
- bfd *abfd AND
- unsigned nscns AND
- struct internal_filehdr *internal_f AND
- struct internal_aouthdr *internal_a)
-{
- coff_data_type *coff;
- enum bfd_architecture arch;
- long machine;
- size_t readsize; /* length of file_info */
- SCNHDR *external_sections;
-
- /* Build a play area */
- if (coff_mkobject(abfd) != true)
- return 0;
-
- coff = coff_data(abfd);
-
-
- external_sections = (SCNHDR *)bfd_alloc(abfd, readsize = (nscns * SCNHSZ));
-
- if (bfd_read((PTR)external_sections, 1, readsize, abfd) != readsize) {
- goto fail;
- }
-
-
- /* Now copy data as required; construct all asections etc */
- coff->symbol_index_slew = 0;
- coff->relocbase =0;
- coff->raw_syment_count = 0;
- coff->raw_linenos = 0;
- coff->raw_syments = 0;
- coff->sym_filepos =0;
- coff->flags = internal_f->f_flags;
- if (nscns != 0) {
- unsigned int i;
- for (i = 0; i < nscns; i++) {
- struct internal_scnhdr tmp;
- coff_swap_scnhdr_in(abfd, external_sections + i, &tmp);
- make_a_section_from_file(abfd,&tmp, i+1);
- }
- }
-
-/* make_abs_section(abfd);*/
-
- /* Determine the machine architecture and type. */
-machine = 0;
- switch (internal_f->f_magic) {
-#ifdef I386MAGIC
- case I386MAGIC:
- arch = bfd_arch_i386;
- machine = 0;
- break;
-#endif
-
-#ifdef A29K_MAGIC_BIG
- case A29K_MAGIC_BIG:
- case A29K_MAGIC_LITTLE:
- arch = bfd_arch_a29k;
- machine = 0;
- break;
-#endif
-
-#ifdef MIPS
- case MIPS_MAGIC_1:
- case MIPS_MAGIC_2:
- case MIPS_MAGIC_3:
- arch = bfd_arch_mips;
- machine = 0;
- break;
+#ifdef A29K_MAGIC_BIG
+ case A29K_MAGIC_BIG:
+ case A29K_MAGIC_LITTLE:
+ arch = bfd_arch_a29k;
+ machine = 0;
+ break;
#endif
#ifdef MC68MAGIC
case MC68MAGIC:
case M68MAGIC:
+#ifdef MC68KBCSMAGIC
+ case MC68KBCSMAGIC:
+#endif
+#ifdef APOLLOM68KMAGIC
+ case APOLLOM68KMAGIC:
+#endif
+#ifdef LYNXCOFFMAGIC
+ case LYNXCOFFMAGIC:
+#endif
arch = bfd_arch_m68k;
machine = 68020;
break;
case Z8KMAGIC:
arch = bfd_arch_z8k;
switch (internal_f->f_flags & F_MACHMASK)
-{
- case F_Z8001:
- machine = bfd_mach_z8001;
- break;
- case F_Z8002:
- machine = bfd_mach_z8002;
- break;
- default:
- goto fail;
- }
+ {
+ case F_Z8001:
+ machine = bfd_mach_z8001;
+ break;
+ case F_Z8002:
+ machine = bfd_mach_z8002;
+ break;
+ default:
+ return false;
+ }
break;
#endif
#ifdef I960
#ifdef H8300MAGIC
case H8300MAGIC:
arch = bfd_arch_h8300;
- machine = 0;
+ machine = bfd_mach_h8300;
+ /* !! FIXME this probably isn't the right place for this */
+ abfd->flags |= BFD_IS_RELAXABLE;
break;
#endif
- default: /* Unreadable input file type */
- arch = bfd_arch_obscure;
+#ifdef H8300HMAGIC
+ case H8300HMAGIC:
+ arch = bfd_arch_h8300;
+ machine = bfd_mach_h8300h;
+ /* !! FIXME this probably isn't the right place for this */
+ abfd->flags |= BFD_IS_RELAXABLE;
break;
- }
-
- bfd_default_set_arch_mach(abfd, arch, machine);
- if (!(internal_f->f_flags & F_RELFLG))
- abfd->flags |= HAS_RELOC;
- if ((internal_f->f_flags & F_EXEC))
- abfd->flags |= EXEC_P;
- if (!(internal_f->f_flags & F_LNNO))
- abfd->flags |= HAS_LINENO;
- if (!(internal_f->f_flags & F_LSYMS))
- abfd->flags |= HAS_LOCALS;
-
-
- bfd_get_symcount(abfd) = internal_f->f_nsyms;
- if (internal_f->f_nsyms)
- abfd->flags |= HAS_SYMS;
-
- coff->sym_filepos = internal_f->f_symptr;
-
- /* These members communicate important constants about the symbol table
- to GDB's symbol-reading code. These `constants' unfortunately vary
- from coff implementation to implementation... */
-#ifndef NO_COFF_SYMBOLS
- coff->local_n_btmask = N_BTMASK;
- 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;
#endif
- coff->symbols = (coff_symbol_type *) NULL;
- bfd_get_start_address(abfd) = internal_f->f_opthdr ? internal_a->entry : 0;
-
- return abfd->xvec;
- fail:
- bfd_release(abfd, coff);
- return (bfd_target *)NULL;
-}
-
-static bfd_target *
-DEFUN(coff_object_p,(abfd),
- bfd *abfd)
-{
- int nscns;
- FILHDR filehdr;
- AOUTHDR opthdr;
- struct internal_filehdr internal_f;
- struct internal_aouthdr internal_a;
-
- bfd_error = system_call_error;
-
- /* figure out how much to read */
- if (bfd_read((PTR) &filehdr, 1, FILHSZ, abfd) != FILHSZ)
- return 0;
-
- bfd_swap_filehdr_in(abfd, &filehdr, &internal_f);
-
- if (BADMAG(internal_f)) {
- bfd_error = wrong_format;
- return 0;
- }
- nscns =internal_f.f_nscns;
-
- if (internal_f.f_opthdr) {
- if (bfd_read((PTR) &opthdr, 1,AOUTSZ, abfd) != AOUTSZ) {
- return 0;
- }
- bfd_swap_aouthdr_in(abfd, (char *)&opthdr, (char *)&internal_a);
- }
-
- /* Seek past the opt hdr stuff */
- bfd_seek(abfd, (file_ptr) (internal_f.f_opthdr + FILHSZ), SEEK_SET);
-
- /* if the optional header is NULL or not the correct size then
- quit; the only difference I can see between m88k dgux headers (MC88DMAGIC)
- and Intel 960 readwrite headers (I960WRMAGIC) is that the
- optional header is of a different size.
-
- But the mips keeps extra stuff in it's opthdr, so dont check
- when doing that
- */
-
-#if defined(M88) || defined(I960)
- if (internal_f.f_opthdr != 0 && AOUTSZ != internal_f.f_opthdr)
- return (bfd_target *)NULL;
+#ifdef SHMAGIC
+ case SHMAGIC:
+ arch = bfd_arch_sh;
+ machine = 0;
+ break;
#endif
- return coff_real_object_p(abfd, nscns, &internal_f, &internal_a);
-}
-
-
-
-#ifndef NO_COFF_LINENOS
-
-static void
-DEFUN(coff_count_linenumbers,(abfd),
- bfd *abfd)
-{
- unsigned int limit = bfd_get_symcount(abfd);
- unsigned int i;
- asymbol **p;
- {
- asection *s = abfd->sections->output_section;
- while (s) {
- BFD_ASSERT(s->lineno_count == 0);
- s = s->next;
- }
- }
-
-
- for (p = abfd->outsymbols, i = 0; i < limit; i++, p++) {
- asymbol *q_maybe = *p;
- if (q_maybe->the_bfd->xvec->flavour == bfd_target_coff_flavour) {
- coff_symbol_type *q = coffsymbol(q_maybe);
- if (q->lineno) {
- /*
- This symbol has a linenumber, increment the owning
- section's linenumber count
- */
- alent *l = q->lineno;
- q->symbol.section->output_section->lineno_count++;
- l++;
- while (l->line_number) {
- q->symbol.section->output_section->lineno_count++;
- l++;
- }
- }
- }
- }
-}
-
-#endif /* NO_COFF_LINENOS */
-
-#ifndef NO_COFF_SYMBOLS
-
-/*
- Takes a bfd and a symbol, returns a pointer to the coff specific area
- of the symbol if there is one.
- */
-static coff_symbol_type *
-DEFUN(coff_symbol_from,(ignore_abfd, symbol),
- bfd *ignore_abfd AND
- asymbol *symbol)
-{
- if (symbol->the_bfd->xvec->flavour != bfd_target_coff_flavour)
- return (coff_symbol_type *)NULL;
-
- if (symbol->the_bfd->tdata.coff_obj_data == (coff_data_type*)NULL)
- return (coff_symbol_type *)NULL;
-
- return (coff_symbol_type *) symbol;
-}
-
-
-
-static void
-DEFUN(fixup_symbol_value,(coff_symbol_ptr, syment),
-coff_symbol_type *coff_symbol_ptr AND
-struct internal_syment *syment)
-{
-
- /* Normalize the symbol flags */
- if (coff_symbol_ptr->symbol.section == &bfd_com_section) {
- /* a common symbol is undefined with a value */
- syment->n_scnum = N_UNDEF;
- syment->n_value = coff_symbol_ptr->symbol.value;
- }
- else if (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING) {
- syment->n_value = coff_symbol_ptr->symbol.value;
- }
- else if (coff_symbol_ptr->symbol.section == & bfd_und_section) {
- syment->n_scnum = N_UNDEF;
- syment->n_value = 0;
- }
- else {
- if (coff_symbol_ptr->symbol.section) {
- syment->n_scnum =
- coff_symbol_ptr->symbol.section->output_section->target_index;
-
- syment->n_value =
- coff_symbol_ptr->symbol.value +
- coff_symbol_ptr->symbol.section->output_offset +
- coff_symbol_ptr->symbol.section->output_section->vma;
- }
- else {
- BFD_ASSERT(0);
- /* This can happen, but I don't know why yet (steve@cygnus.com) */
- syment->n_scnum = N_ABS;
- syment->n_value = coff_symbol_ptr->symbol.value;
- }
- }
-}
-
-/* run through all the symbols in the symbol table and work out what
- their indexes into the symbol table will be when output
-
- Coff requires that each C_FILE symbol points to the next one in the
- chain, and that the last one points to the first external symbol. We
- do that here too.
-
-*/
-static void
-DEFUN(coff_renumber_symbols,(bfd_ptr),
- bfd *bfd_ptr)
-{
- unsigned int symbol_count = bfd_get_symcount(bfd_ptr);
- asymbol **symbol_ptr_ptr = bfd_ptr->outsymbols;
- unsigned int native_index = 0;
- struct internal_syment *last_file = (struct internal_syment *)NULL;
- unsigned int symbol_index;
-
- /* COFF demands that undefined symbols come after all other symbols.
- Since we don't need to impose this extra knowledge on all our client
- programs, deal with that here. Sort the symbol table; just move the
- undefined symbols to the end, leaving the rest alone. */
- /* @@ Do we have some condition we could test for, so we don't always
- have to do this? I don't think relocatability is quite right, but
- I'm not certain. [raeburn:19920508.1711EST] */
- {
- asymbol **newsyms;
- int i;
-
- newsyms = (asymbol **) bfd_alloc_by_size_t (bfd_ptr,
- sizeof (asymbol *)
- * (symbol_count + 1));
- bfd_ptr->outsymbols = newsyms;
- for (i = 0; i < symbol_count; i++)
- if (symbol_ptr_ptr[i]->section != &bfd_und_section)
- *newsyms++ = symbol_ptr_ptr[i];
- for (i = 0; i < symbol_count; i++)
- if (symbol_ptr_ptr[i]->section == &bfd_und_section)
- *newsyms++ = symbol_ptr_ptr[i];
- *newsyms = (asymbol *) NULL;
- symbol_ptr_ptr = bfd_ptr->outsymbols;
- }
-
- for (symbol_index = 0; symbol_index < symbol_count; symbol_index++)
- {
- coff_symbol_type *coff_symbol_ptr = coff_symbol_from(bfd_ptr, symbol_ptr_ptr[symbol_index]);
- if (coff_symbol_ptr && coff_symbol_ptr->native) {
- combined_entry_type *s = coff_symbol_ptr->native;
- int i;
-
- if (s->u.syment.n_sclass == C_FILE)
- {
- if (last_file != (struct internal_syment *)NULL) {
- last_file->n_value = native_index;
- }
- last_file = &(s->u.syment);
- }
- else {
-
- /* Modify the symbol values according to their section and
- type */
-
- fixup_symbol_value(coff_symbol_ptr, &(s->u.syment));
- }
- for (i = 0; i < s->u.syment.n_numaux + 1; i++) {
- s[i].offset = native_index ++;
- }
- }
- else {
- native_index++;
- }
- }
- obj_conv_table_size (bfd_ptr) = native_index;
-}
-
-
-/*
- Run thorough the symbol table again, and fix it so that all pointers to
- entries are changed to the entries' index in the output symbol table.
-
-*/
-static void
-DEFUN(coff_mangle_symbols,(bfd_ptr),
- bfd *bfd_ptr)
-{
- unsigned int symbol_count = bfd_get_symcount(bfd_ptr);
- asymbol **symbol_ptr_ptr = bfd_ptr->outsymbols;
- unsigned int symbol_index;
-
- for (symbol_index = 0; symbol_index < symbol_count; symbol_index++)
- {
- coff_symbol_type *coff_symbol_ptr =
- coff_symbol_from(bfd_ptr, symbol_ptr_ptr[symbol_index]);
-
- if (coff_symbol_ptr && coff_symbol_ptr->native) {
- int i;
- combined_entry_type *s = coff_symbol_ptr->native;
-
- for (i = 0; i < s->u.syment.n_numaux ; i++) {
- combined_entry_type *a = s + i + 1;
- if (a->fix_tag) {
- a->u.auxent.x_sym.x_tagndx.l =
- a->u.auxent.x_sym.x_tagndx.p->offset;
- a->fix_tag = 0;
- }
- if (a->fix_end) {
- a->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l =
- a->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p->offset;
- a->fix_end = 0;
-
- }
-
- }
- }
- }
-}
-
-static int string_size;
-static void
-DEFUN(coff_fix_symbol_name,(ignore_abfd, symbol, native),
- bfd *ignore_abfd AND
- asymbol *symbol AND
- combined_entry_type *native)
-{
- unsigned int name_length;
- union internal_auxent *auxent;
- char * name = ( char *)(symbol->name);
-
- if (name == (char *) NULL) {
- /* coff symbols always have names, so we'll make one up */
- symbol->name = "strange";
- name = (char *)symbol->name;
- }
- name_length = strlen(name);
-
- if (native->u.syment.n_sclass == C_FILE) {
- strncpy(native->u.syment._n._n_name, ".file", SYMNMLEN);
- auxent = &(native+1)->u.auxent;
-
-#ifdef COFF_LONG_FILENAMES
- if (name_length <= FILNMLEN) {
- strncpy(auxent->x_file.x_fname, name, FILNMLEN);
- }
- else {
- auxent->x_file.x_n.x_offset = string_size + 4;
- auxent->x_file.x_n.x_zeroes = 0;
- string_size += name_length + 1;
- }
-#else
- strncpy(auxent->x_file.x_fname, name, FILNMLEN);
- if (name_length > FILNMLEN) {
- name[FILNMLEN] = '\0';
- }
+#ifdef H8500MAGIC
+ case H8500MAGIC:
+ arch = bfd_arch_h8500;
+ machine = 0;
+ break;
#endif
- }
- else
- { /* NOT A C_FILE SYMBOL */
- if (name_length <= SYMNMLEN) {
- /* This name will fit into the symbol neatly */
- strncpy(native->u.syment._n._n_name, symbol->name, SYMNMLEN);
- }
- else {
- native->u.syment._n._n_n._n_offset = string_size + 4;
- native->u.syment._n._n_n._n_zeroes = 0;
- string_size += name_length + 1;
- }
- }
-}
-
+#ifdef SPARCMAGIC
+ case SPARCMAGIC:
+ arch = bfd_arch_sparc;
+ machine = 0;
+ break;
+#endif
-static unsigned int
-DEFUN(coff_write_symbol,(abfd, symbol, native, written),
-bfd *abfd AND
-asymbol *symbol AND
-combined_entry_type *native AND
-unsigned int written)
-{
- unsigned int numaux = native->u.syment.n_numaux;
- int type = native->u.syment.n_type;
- int class = native->u.syment.n_sclass;
- SYMENT buf;
- unsigned int j;
-
- /* @@ bfd_debug_section isn't accessible outside this file, but we know
- that C_FILE symbols belong there. So move them. */
- if (native->u.syment.n_sclass == C_FILE)
- symbol->section = &bfd_debug_section;
-
- if (symbol->section == &bfd_abs_section)
- {
- native->u.syment.n_scnum = N_ABS;
- }
- else if (symbol->section == &bfd_debug_section)
- {
- native->u.syment.n_scnum = N_DEBUG;
- }
- else if (symbol->section == &bfd_und_section)
- {
- native->u.syment.n_scnum = N_UNDEF;
- }
- else
- {
- native->u.syment.n_scnum =
- symbol->section->output_section->target_index;
+ default: /* Unreadable input file type */
+ arch = bfd_arch_obscure;
+break;
}
-
-
- coff_fix_symbol_name(abfd, symbol, native);
- coff_swap_sym_out(abfd, &native->u.syment, &buf);
- bfd_write((PTR)& buf, 1, SYMESZ, abfd);
- for (j = 0; j < native->u.syment.n_numaux; j++)
- {
- AUXENT buf1;
- coff_swap_aux_out(abfd,
- &( (native + j + 1)->u.auxent), type, class, &buf1);
- bfd_write((PTR) (&buf1), 1, AUXESZ, abfd);
- }
- /*
- Reuse somewhere in the symbol to keep the index
- */
- set_index(symbol, written);
- return written + 1 + numaux;
+ bfd_default_set_arch_mach(abfd, arch, machine);
+ return true;
}
+#ifdef SYMNAME_IN_DEBUG
-static unsigned int
-DEFUN(coff_write_alien_symbol,(abfd, symbol, written),
- bfd *abfd AND
- asymbol *symbol AND
- unsigned int written)
+static boolean
+DEFUN (symname_in_debug_hook, (abfd, sym),
+ bfd *abfd AND
+ struct internal_syment *sym)
{
- /*
- This symbol has been created by the loader, or come from a non
- coff format. It has no native element to inherit, make our
- own
- */
- combined_entry_type *native;
- combined_entry_type dummy;
- native = &dummy;
- native->u.syment.n_type = T_NULL;
-#ifdef I960
- native->u.syment.n_flags = 0;
-#endif
- if (symbol->section == &bfd_und_section)
- {
- native->u.syment.n_scnum = N_UNDEF;
- native->u.syment.n_value = symbol->value;
- }
- else if (symbol->section == &bfd_com_section)
- {
- native->u.syment.n_scnum = N_UNDEF;
- native->u.syment.n_value = symbol->value;
-
- }
-
- else if (symbol->flags & BSF_DEBUGGING) {
- /*
- remove name so it doesn't take up any space
- */
- symbol->name = "";
- }
- else {
- native->u.syment.n_scnum = symbol->section->output_section->target_index;
- native->u.syment.n_value = symbol->value +
- symbol->section->output_section->vma +
- symbol->section->output_offset;
-#ifdef I960
- /* Copy the any flags from the the file hdr into the symbol */
- {
- coff_symbol_type *c = coff_symbol_from(abfd, symbol);
- if (c != (coff_symbol_type *)NULL) {
- native->u.syment.n_flags = c->symbol.the_bfd->flags;
- }
- }
-#endif
- }
-
-#ifdef HASPAD1
- native->u.syment.pad1[0] = 0;
- native->u.syment.pad1[0] = 0;
-#endif
-
- native->u.syment.n_type = 0;
- if (symbol->flags & BSF_LOCAL)
- native->u.syment.n_sclass = C_STAT;
- else
- native->u.syment.n_sclass = C_EXT;
- native->u.syment.n_numaux = 0;
-
- return coff_write_symbol(abfd, symbol, native, written);
+ return SYMNAME_IN_DEBUG (sym) ? true : false;
}
-static unsigned int
-DEFUN(coff_write_native_symbol,(abfd, symbol, written),
-bfd *abfd AND
-coff_symbol_type *symbol AND
-unsigned int written)
-{
- /*
- Does this symbol have an ascociated line number - if so then
- make it remember this symbol index. Also tag the auxent of
- this symbol to point to the right place in the lineno table
- */
- combined_entry_type *native = symbol->native;
-
- alent *lineno = symbol->lineno;
-
- if (lineno && !symbol->done_lineno) {
- unsigned int count = 0;
- lineno[count].u.offset = written;
- if (native->u.syment.n_numaux) {
- union internal_auxent *a = &((native+1)->u.auxent);
-
- a->x_sym.x_fcnary.x_fcn.x_lnnoptr =
- symbol->symbol.section->output_section->moving_line_filepos;
- }
- /*
- And count and relocate all other linenumbers
- */
-
- count++;
- while (lineno[count].line_number) {
-#if 0
-/* 13 april 92. sac
-I've been told this, but still need proof:
-> The second bug is also in `bfd/coffcode.h'. This bug causes the linker to screw
-> up the pc-relocations for all the line numbers in COFF code. This bug isn't
-> only specific to A29K implementations, but affects all systems using COFF
-> format binaries. Note that in COFF object files, the line number core offsets
-> output by the assembler are relative to the start of each procedure, not
-> to the start of the .text section. This patch relocates the line numbers
-> relative to the `native->u.syment.n_value' instead of the section virtual
-> address. modular!olson@cs.arizona.edu (Jon Olson)
-*/
- lineno[count].u.offset += native->u.syment.n_value;
-
#else
- lineno[count].u.offset +=
- symbol->symbol.section->output_section->vma +
- symbol->symbol.section->output_offset;
-#endif
- count++;
- }
- symbol->done_lineno = true;
-
- symbol->symbol.section->output_section->moving_line_filepos +=
- count * LINESZ;
- }
- return coff_write_symbol(abfd, &( symbol->symbol), native,written);
-}
-
-static void
-DEFUN(coff_write_symbols,(abfd),
- bfd *abfd)
-{
- unsigned int i;
- unsigned int limit = bfd_get_symcount(abfd);
- unsigned int written = 0;
-
- asymbol **p;
-
- string_size = 0;
-
-
- /* Seek to the right place */
- bfd_seek(abfd, obj_sym_filepos(abfd), SEEK_SET);
- /* Output all the symbols we have */
+#define symname_in_debug_hook \
+ (boolean (*) PARAMS ((bfd *, struct internal_syment *))) bfd_false
- written = 0;
- for (p = abfd->outsymbols, i = 0; i < limit; i++, p++)
- {
- asymbol *symbol = *p;
- coff_symbol_type *c_symbol = coff_symbol_from(abfd, symbol);
-
- if (c_symbol == (coff_symbol_type *) NULL ||
- c_symbol->native == (combined_entry_type *)NULL)
- {
- written = coff_write_alien_symbol(abfd, symbol, written);
- }
- else
- {
- written = coff_write_native_symbol(abfd, c_symbol, written);
- }
-
- }
-
- bfd_get_symcount(abfd) = written;
-
- /* Now write out strings */
-
- if (string_size != 0)
- {
- unsigned int size = string_size + 4;
- bfd_byte buffer[4];
-
- bfd_h_put_32(abfd, size, buffer);
- bfd_write((PTR) buffer, 1, sizeof(buffer), abfd);
- for (p = abfd->outsymbols, i = 0;
- i < limit;
- i++, p++)
- {
- asymbol *q = *p;
- size_t name_length = strlen(q->name);
- int maxlen;
- coff_symbol_type* c_symbol = coff_symbol_from(abfd, q);
- maxlen = ((c_symbol != NULL && c_symbol->native != NULL) &&
- (c_symbol->native->u.syment.n_sclass == C_FILE)) ?
- FILNMLEN : SYMNMLEN;
-
- if (name_length > maxlen) {
- bfd_write((PTR) (q->name), 1, name_length + 1, abfd);
- }
- }
- }
- else {
- /* We would normally not write anything here, but we'll write
- out 4 so that any stupid coff reader which tries to read
- the string table even when there isn't one won't croak.
- */
-
- uint32e_type size = 4;
- size = size;
- bfd_write((PTR)&size, 1, sizeof(size), abfd);
-
- }
-}
+#endif
/*
SUBSUBSECTION
- Writing Relocations
+ Writing relocations
- To write relocations, all the back end does is step though the
- canonical relocation table, and create an
+ To write relocations, the back end steps though the
+ canonical relocation table and create an
@code{internal_reloc}. The symbol index to use is removed from
- the @code{offset} field in the symbol table supplied, the
+ the @code{offset} field in the symbol table supplied. The
address comes directly from the sum of the section base
- address and the relocation offset and the type is dug directly
+ address and the relocation offset; the type is dug directly
from the howto field. Then the @code{internal_reloc} is
swapped into the shape of an @code{external_reloc} and written
out to disk.
asection *s;
for (s = abfd->sections; s != (asection *) NULL; s = s->next) {
unsigned int i;
- struct external_reloc dst;
-
- arelent **p = s->orelocation;
- bfd_seek(abfd, s->rel_filepos, SEEK_SET);
- for (i = 0; i < s->reloc_count; i++) {
- struct internal_reloc n;
- arelent *q = p[i];
- memset((PTR)&n, 0, sizeof(n));
-
- n.r_vaddr = q->address + s->vma;
- /* The 29k const/consth reloc pair is a real kludge - the consth
- part doesn't have a symbol - it has an offset. So rebuilt
- that here */
-#ifdef R_IHCONST
- if (q->howto->type == R_IHCONST)
- n.r_symndx = q->addend;
- else
-#endif
-
-
- if (q->sym_ptr_ptr)
- {
- if (q->sym_ptr_ptr == bfd_abs_section.symbol_ptr_ptr)
- {
- /* This is a relocation relative to the absolute symbol */
- n.r_symndx = -1;
- }
- else
- {
- n.r_symndx = get_index((*(q->sym_ptr_ptr)));
- /* Take notice if the symbol reloc points to a symbol we don't have
- in our symbol table. What should we do for this?? */
- if (n.r_symndx > obj_conv_table_size (abfd))
- abort ();
- }
-
-
- }
-
-#ifdef SELECT_RELOC
- /* Work out reloc type from what is required */
- SELECT_RELOC(n.r_type, q->howto);
-#else
- n.r_type = q->howto->type;
-#endif
- coff_swap_reloc_out(abfd, &n, &dst);
- bfd_write((PTR) &dst, 1, RELSZ, abfd);
- }
- }
-}
-#endif /* NO_COFF_SYMBOLS */
-
-#ifndef NO_COFF_LINENOS
-
-static void
-DEFUN(coff_write_linenumbers,(abfd),
- bfd *abfd)
-{
- asection *s;
- for (s = abfd->sections; s != (asection *) NULL; s = s->next) {
- if (s->lineno_count) {
- asymbol **q = abfd->outsymbols;
- bfd_seek(abfd, s->line_filepos, SEEK_SET);
- /* Find all the linenumbers in this section */
- while (*q) {
- asymbol *p = *q;
- alent *l = BFD_SEND(p->the_bfd, _get_lineno, (p->the_bfd, p));
- if (l) {
- /* Found a linenumber entry, output */
- struct internal_lineno out;
- LINENO buff;
- memset( (PTR)&out, 0, sizeof(out));
- out.l_lnno = 0;
- out.l_addr.l_symndx = l->u.offset;
- coff_swap_lineno_out(abfd, &out, &buff);
- bfd_write((PTR) &buff, 1, LINESZ, abfd);
- l++;
- while (l->line_number) {
- out.l_lnno = l->line_number;
- out.l_addr.l_symndx = l->u.offset;
- coff_swap_lineno_out(abfd, &out, &buff);
- bfd_write((PTR) &buff, 1, LINESZ, abfd);
- l++;
- }
- }
- q++;
- }
- }
- }
-}
-
-static alent *
-DEFUN(coff_get_lineno,(ignore_abfd, symbol),
- bfd *ignore_abfd AND
- asymbol *symbol)
-{
- return coffsymbol(symbol)->lineno;
-}
-
-#endif /* NO_COFF_LINENOS */
-
-static asymbol *
-coff_make_empty_symbol(abfd)
-bfd *abfd;
-{
- coff_symbol_type *new = (coff_symbol_type *) bfd_alloc(abfd, sizeof(coff_symbol_type));
- if (new == NULL) {
- bfd_error = no_memory;
- return (NULL);
- } /* on error */
- new->symbol.section = 0;
- new->native = 0;
- new->lineno = (alent *) NULL;
- new->done_lineno = false;
- new->symbol.the_bfd = abfd;
- return &new->symbol;
-}
-
-#ifndef NO_COFF_SYMBOLS
-
-static asymbol *
-DEFUN (coff_make_debug_symbol, (abfd, ptr, sz),
- bfd *abfd AND
- PTR ptr AND
- unsigned long sz)
-{
- coff_symbol_type *new = (coff_symbol_type *) bfd_alloc(abfd, sizeof(coff_symbol_type));
- if (new == NULL) {
- bfd_error = no_memory;
- return (NULL);
- } /* on error */
- /* @@ This shouldn't be using a constant multiplier. */
- new->native = (combined_entry_type *) bfd_zalloc (abfd, sizeof (combined_entry_type) * 10);
- new->symbol.section = &bfd_debug_section;
- new->lineno = (alent *) NULL;
- new->done_lineno = false;
- new->symbol.the_bfd = abfd;
- return &new->symbol;
-}
-
-static void
-DEFUN(coff_print_symbol,(ignore_abfd, filep, symbol, how),
- bfd *ignore_abfd AND
- PTR filep AND
- asymbol *symbol AND
- bfd_print_symbol_type how)
-{
- FILE *file = (FILE *)filep;
- switch (how) {
- case bfd_print_symbol_name:
- fprintf(file, "%s", symbol->name);
- break;
- case bfd_print_symbol_more:
- fprintf(file, "coff %lx %lx", (unsigned long) coffsymbol(symbol)->native,
- (unsigned long) coffsymbol(symbol)->lineno);
- break;
- case bfd_print_symbol_nm:
-
- {
- CONST char *section_name = symbol->section->name;
- bfd_print_symbol_vandf((PTR) file, symbol);
-
-
- fprintf(file, " %-5s %s %s %s",
- section_name,
- coffsymbol(symbol)->native ? "n" : "g",
- coffsymbol(symbol)->lineno ? "l" : " ",
- symbol->name);
- }
+ struct external_reloc dst;
+ arelent **p = s->orelocation;
+ bfd_seek(abfd, s->rel_filepos, SEEK_SET);
+ for (i = 0; i < s->reloc_count; i++) {
+ struct internal_reloc n;
+ arelent *q = p[i];
+ memset((PTR)&n, 0, sizeof(n));
- break;
- case bfd_print_symbol_all:
- /* Print out the symbols in a reasonable way */
- {
- CONST char *section_name = symbol->section->name;
+ n.r_vaddr = q->address + s->vma;
+ /* The 29k const/consth reloc pair is a real kludge - the consth
+ part doesn't have a symbol - it has an offset. So rebuilt
+ that here */
+#ifdef R_IHCONST
+ if (q->howto->type == R_IHCONST)
+ n.r_symndx = q->addend;
+ else
+#endif
- if (coffsymbol(symbol)->native)
+ if (q->sym_ptr_ptr)
{
- unsigned int aux;
- combined_entry_type *combined = coffsymbol(symbol)->native;
- combined_entry_type *root = obj_raw_syments(ignore_abfd);
-
- fprintf(file,"[%3d]",
- combined - root);
-
-
- fprintf(file, "(sc %2d)(fl%4x)(ty%3x)(sc%3d) nx(%d) %08x %s",
- combined->u.syment.n_scnum,
- combined->u.syment.n_flags,
- combined->u.syment.n_type,
- combined->u.syment.n_sclass,
- combined->u.syment.n_numaux,
- combined->u.syment.n_value,
- symbol->name
- );
- for (aux = 0; aux < combined->u.syment.n_numaux; aux++)
+ if (q->sym_ptr_ptr == bfd_abs_section.symbol_ptr_ptr)
{
- fprintf(file,"\n");
- switch (combined->u.syment.n_sclass) {
- case C_FILE:
- fprintf(file, "File ");
- break;
- default:
- fprintf(file, "AUX lnno %x size %x tagndx %x",
- combined[aux+1].u.auxent.x_sym.x_misc.x_lnsz.x_lnno,
- combined[aux+1].u.auxent.x_sym.x_misc.x_lnsz.x_size,
- combined[aux+1].u.auxent.x_sym.x_tagndx.l);
- break;
-
- }
-
+ /* This is a relocation relative to the absolute symbol */
+ n.r_symndx = -1;
}
-
- {
- struct lineno_cache_entry *l = coffsymbol(symbol)->lineno;
- if (l)
+ else
{
- printf("\n%s :", l->u.sym->name);
- l++;
- while (l->line_number)
- {
- printf("\n%4d : %x",
- l->line_number,
- l->u.offset);
- l++;
-
- }
+ n.r_symndx = get_index((*(q->sym_ptr_ptr)));
+ /* Take notice if the symbol reloc points to a symbol we don't have
+ in our symbol table. What should we do for this?? */
+ if (n.r_symndx > obj_conv_table_size (abfd))
+ abort ();
}
- }
-
- }
-
- else {
- bfd_print_symbol_vandf((PTR) file, symbol);
- fprintf(file, " %-5s %s %s %s",
- section_name,
- coffsymbol(symbol)->native ? "n" : "g",
- coffsymbol(symbol)->lineno ? "l" : " ",
- symbol->name);
- }
+ }
+#ifdef SELECT_RELOC
+ /* Work out reloc type from what is required */
+ SELECT_RELOC(n.r_type, q->howto);
+#else
+ n.r_type = q->howto->type;
+#endif
+ coff_swap_reloc_out(abfd, &n, &dst);
+ bfd_write((PTR) &dst, 1, RELSZ, abfd);
}
-
- }
+ }
}
-#endif /* NO_COFF_SYMBOLS */
-
/* Set flags and magic number of a coff file from architecture and machine
type. Result is true if we can represent the arch&type, false if not. */
}
break;
#endif
-#ifdef MIPS
- case bfd_arch_mips:
- *magicp = MIPS_MAGIC_2;
- return true;
- break;
-#endif
#ifdef I386MAGIC
case bfd_arch_i386:
*magicp = I386MAGIC;
+#ifdef LYNXOS
+ /* Just overwrite the usual value if we're doing Lynx. */
+ *magicp = LYNXCOFFMAGIC;
+#endif
return true;
break;
#endif
#ifdef MC68MAGIC
case bfd_arch_m68k:
+#ifdef APOLLOM68KMAGIC
+ *magicp = APOLLO_COFF_VERSION_NUMBER;
+#else
*magicp = MC68MAGIC;
+#endif
+#ifdef LYNXOS
+ /* Just overwrite the usual value if we're doing Lynx. */
+ *magicp = LYNXCOFFMAGIC;
+#endif
return true;
break;
#endif
#endif
#ifdef H8300MAGIC
case bfd_arch_h8300:
- *magicp = H8300MAGIC;
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_h8300:
+ *magicp = H8300MAGIC;
+ return true;
+ case bfd_mach_h8300h:
+ *magicp = H8300HMAGIC;
+ return true;
+ }
+ break;
+#endif
+
+#ifdef SHMAGIC
+ case bfd_arch_sh:
+ *magicp = SHMAGIC;
+ return true;
+ break;
+#endif
+
+#ifdef SPARCMAGIC
+ case bfd_arch_sparc:
+ *magicp = SPARCMAGIC;
+#ifdef LYNXOS
+ /* Just overwrite the usual value if we're doing Lynx. */
+ *magicp = LYNXCOFFMAGIC;
+#endif
+ return true;
+ break;
+#endif
+
+#ifdef H8500MAGIC
+ case bfd_arch_h8500:
+ *magicp = H8500MAGIC;
return true;
break;
#endif
asection *current;
asection *previous = (asection *)NULL;
file_ptr sofar = FILHSZ;
+#ifndef I960
file_ptr old_sofar;
+#endif
if (bfd_get_start_address(abfd))
{
/* A start address may have been added to the original file. In this
current->_raw_size += sofar - old_sofar ;
#endif
+#ifdef _LIB
+ /* Force .lib sections to start at zero. The vma is then
+ incremented in coff_set_section_contents. This is right for
+ SVR3.2. */
+ if (strcmp (current->name, _LIB) == 0)
+ bfd_set_section_vma (abfd, current, 0);
+#endif
+
previous = current;
}
obj_relocbase(abfd) = sofar;
}
-#ifndef NO_COFF_SYMBOLS
-static asymbol *
-coff_section_symbol (abfd, name)
- bfd *abfd;
- char *name;
-{
- asection *sec = bfd_make_section_old_way (abfd, name);
- asymbol *sym;
- combined_entry_type *csym;
-
- sym = sec->symbol;
- if (coff_symbol_from (abfd, sym))
- csym = coff_symbol_from (abfd, sym)->native;
- else
- csym = 0;
- /* Make sure back-end COFF stuff is there. */
- if (csym == 0)
- {
- struct foo {
- coff_symbol_type sym;
- /* @@FIXME This shouldn't use a fixed size!! */
- combined_entry_type e[10];
- };
- struct foo *f;
- f = (struct foo *) bfd_alloc_by_size_t (abfd, sizeof (*f));
- memset ((char *) f, 0, sizeof (*f));
- coff_symbol_from (abfd, sym)->native = csym = f->e;
- }
- csym[0].u.syment.n_sclass = C_STAT;
- csym[0].u.syment.n_numaux = 1;
-/* SF_SET_STATICS (sym); @@ ??? */
- if (sec)
- {
- csym[1].u.auxent.x_scn.x_scnlen = sec->_raw_size;
- csym[1].u.auxent.x_scn.x_nreloc = sec->reloc_count;
- csym[1].u.auxent.x_scn.x_nlinno = sec->lineno_count;
- }
- else
- {
- csym[1].u.auxent.x_scn.x_scnlen = 0;
- csym[1].u.auxent.x_scn.x_nreloc = 0;
- csym[1].u.auxent.x_scn.x_nlinno = 0;
- }
- return sym;
-}
-
/* If .file, .text, .data, .bss symbols are missing, add them. */
/* @@ Should we only be adding missing symbols, or overriding the aux
values for existing section symbols? */
continue;
if (!strcmp (name, _TEXT))
need_text = 0;
+#ifdef APOLLO_M68
+ else if (!strcmp(name, ".wtext"))
+ need_text = 0;
+#endif
else if (!strcmp (name, _DATA))
need_data = 0;
else if (!strcmp (name, _BSS))
BFD_ASSERT (i == nsyms);
bfd_set_symtab (abfd, sympp2, nsyms);
}
-#endif /* NO_COFF_SYMBOLS */
/* SUPPRESS 558 */
/* SUPPRESS 529 */
/* Make a pass through the symbol table to count line number entries and
put them into the correct asections */
-#ifndef NO_COFF_LINENOS
- coff_count_linenumbers(abfd);
-#endif
+ lnno_size = coff_count_linenumbers(abfd) * LINESZ;
data_base = scn_base;
/* Work out the size of the reloc and linno areas */
{
reloc_size += current->reloc_count * RELSZ;
-#ifndef NO_COFF_LINENOS
- lnno_size += current->lineno_count * LINESZ;
-#endif
data_base += SCNHSZ;
}
if (current->lineno_count) {
current->line_filepos = lineno_base;
current->moving_line_filepos = lineno_base;
-#ifndef NO_COFF_LINENOS
lineno_base += current->lineno_count * LINESZ;
-#endif
}
else {
current->line_filepos = 0;
section.s_vaddr = 0;
else
#endif
- section.s_vaddr = current->vma + pad;
- section.s_paddr = current->vma + pad;
+ section.s_vaddr = current->lma + pad;
+ section.s_paddr = current->lma + pad;
section.s_size = current->_raw_size - pad;
/*
If this section has no size or is unloadable then the scnptr
internal_a.magic = PAGEMAGICBCS;
#endif /* M88 */
-#if M68 || MIPS || WE32K
+#if APOLLO_M68
+#define __A_MAGIC_SET__
+ internal_a.magic = APOLLO_COFF_VERSION_NUMBER;
+#endif
+
+#if M68 || WE32K
#define __A_MAGIC_SET__
/* Never was anything here for the 68k */
-#endif /* M68 || MIPS || WE32K */
+#endif /* M68 || WE32K */
#if I386
# define __A_MAGIC_SET__
/* Now should write relocs, strings, syms */
obj_sym_filepos(abfd) = sym_base;
-#ifndef NO_COFF_SYMBOLS
if (bfd_get_symcount(abfd) != 0) {
coff_add_missing_symbols (abfd);
coff_renumber_symbols(abfd);
coff_write_linenumbers(abfd);
coff_write_relocs(abfd);
}
-#endif /* NO_COFF_SYMBOLS */
if (text_sec) {
internal_a.tsize = bfd_get_section_size_before_reloc(text_sec);
internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
return true;
}
-#ifndef NO_COFF_SYMBOLS
-
-/*
-this function transforms the offsets into the symbol table into
-pointers to syments.
-*/
-
-
-static void
-DEFUN(coff_pointerize_aux,(ignore_abfd, table_base, type, class, auxent),
-bfd *ignore_abfd AND
-combined_entry_type *table_base AND
-int type AND
-int class AND
-combined_entry_type *auxent)
-{
- /* Don't bother if this is a file or a section */
- if (class == C_STAT && type == T_NULL) return;
- if (class == C_FILE) return;
-
- /* Otherwise patch up */
- if (ISFCN(type) || ISTAG(class) || class == C_BLOCK) {
- auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = table_base +
- auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l;
- auxent->fix_end = 1;
- }
- if (auxent->u.auxent.x_sym.x_tagndx.l != 0) {
- auxent->u.auxent.x_sym.x_tagndx.p =
- table_base + auxent->u.auxent.x_sym.x_tagndx.l;
- auxent->fix_tag = 1;
- }
-}
-
-#endif /* NO_COFF_SYMBOLS */
-
static boolean
DEFUN(coff_set_section_contents,(abfd, section, location, offset, count),
bfd *abfd AND
- sec_ptr section AND
- PTR location AND
- file_ptr offset AND
- bfd_size_type count)
-{
- if (abfd->output_has_begun == false) /* set by bfd.c handler */
- coff_compute_section_file_positions(abfd);
-
-#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->vma;
-#endif
-
- bfd_seek(abfd, (file_ptr) (section->filepos + offset), SEEK_SET);
-
- if (count != 0) {
- return (bfd_write(location, 1, count, abfd) == count) ? true : false;
- }
- return true;
-}
-#if 0
-static boolean
-coff_close_and_cleanup(abfd)
- bfd *abfd;
-{
- if (!bfd_read_p(abfd))
- switch (abfd->format) {
- case bfd_archive:
- if (!_bfd_write_archive_contents(abfd))
- return false;
- break;
- case bfd_object:
- if (!coff_write_object_contents(abfd))
- return false;
- break;
- default:
- bfd_error = invalid_operation;
- return false;
- }
-
- /* We depend on bfd_close to free all the memory on the obstack. */
- /* FIXME if bfd_release is not using obstacks! */
- return true;
-}
-
-#endif
-static PTR
-buy_and_read(abfd, where, seek_direction, size)
- bfd *abfd;
- file_ptr where;
- int seek_direction;
- size_t size;
-{
- PTR area = (PTR) bfd_alloc(abfd, size);
- if (!area) {
- bfd_error = no_memory;
- return (NULL);
- }
- bfd_seek(abfd, where, seek_direction);
- if (bfd_read(area, 1, size, abfd) != size) {
- bfd_error = system_call_error;
- return (NULL);
- } /* on error */
- return (area);
-} /* buy_and_read() */
-
-
-#ifndef NO_COFF_SYMBOLS
-
-static char *
-DEFUN(build_string_table,(abfd),
-bfd *abfd)
-{
- char string_table_size_buffer[4];
- unsigned int string_table_size;
- char *string_table;
-
- /* At this point we should be "seek"'d to the end of the
- symbols === the symbol table size. */
- if (bfd_read((char *) string_table_size_buffer,
- sizeof(string_table_size_buffer),
- 1, abfd) != sizeof(string_table_size)) {
- bfd_error = system_call_error;
- return (NULL);
- } /* on error */
-
- string_table_size = bfd_h_get_32(abfd, (bfd_byte *) string_table_size_buffer);
-
- if ((string_table = (PTR) bfd_alloc(abfd, string_table_size -= 4)) == NULL) {
- bfd_error = no_memory;
- return (NULL);
- } /* on mallocation error */
- if (bfd_read(string_table, string_table_size, 1, abfd) != string_table_size) {
- bfd_error = system_call_error;
- return (NULL);
- }
- return string_table;
-}
-
-/* Allocate space for the ".debug" section, and read it.
- We did not read the debug section until now, because
- we didn't want to go to the trouble until someone needed it. */
-
-static char *
-DEFUN(build_debug_section,(abfd),
- bfd *abfd)
-{
- char *debug_section;
- long position;
-
- asection *sect = bfd_get_section_by_name (abfd, ".debug");
-
- if (!sect) {
- bfd_error = no_debug_section;
- return NULL;
- }
-
- debug_section = (PTR) bfd_alloc (abfd,
- bfd_get_section_size_before_reloc (sect));
- if (debug_section == NULL) {
- bfd_error = no_memory;
- return NULL;
- }
-
- /* Seek to the beginning of the `.debug' section and read it.
- Save the current position first; it is needed by our caller.
- Then read debug section and reset the file pointer. */
-
- position = bfd_tell (abfd);
- bfd_seek (abfd, sect->filepos, SEEK_SET);
- if (bfd_read (debug_section,
- bfd_get_section_size_before_reloc (sect), 1, abfd)
- != bfd_get_section_size_before_reloc(sect)) {
- bfd_error = system_call_error;
- return NULL;
- }
- bfd_seek (abfd, position, SEEK_SET);
- return debug_section;
-}
-
-
-/* Return a pointer to a malloc'd copy of 'name'. 'name' may not be
- \0-terminated, but will not exceed 'maxlen' characters. The copy *will*
- be \0-terminated. */
-static char *
-DEFUN(copy_name,(abfd, name, maxlen),
- bfd *abfd AND
- char *name AND
- int maxlen)
-{
- int len;
- char *newname;
-
- for (len = 0; len < maxlen; ++len) {
- if (name[len] == '\0') {
- break;
- }
- }
-
- if ((newname = (PTR) bfd_alloc(abfd, len+1)) == NULL) {
- bfd_error = no_memory;
- return (NULL);
- }
- strncpy(newname, name, len);
- newname[len] = '\0';
- return newname;
-}
-
-
-/* Read a symbol table into freshly bfd_allocated memory, swap it, and
- knit the symbol names into a normalized form. By normalized here I
- mean that all symbols have an n_offset pointer that points to a null-
- terminated string. */
-
-#ifndef SYMNAME_IN_DEBUG
-#define SYMNAME_IN_DEBUG(x) 0
-#endif
-
-static combined_entry_type *
-DEFUN(get_normalized_symtab,(abfd),
-bfd *abfd)
-{
- combined_entry_type *internal;
- combined_entry_type *internal_ptr;
- combined_entry_type *symbol_ptr;
- combined_entry_type *internal_end;
- SYMENT *raw;
- SYMENT *raw_src;
- SYMENT *raw_end;
- char *string_table = NULL;
- char *debug_section = NULL;
- unsigned long size;
-
- unsigned int raw_size;
- if (obj_raw_syments(abfd) != (combined_entry_type *)NULL) {
- return obj_raw_syments(abfd);
- }
- if ((size = bfd_get_symcount(abfd) * sizeof(combined_entry_type)) == 0) {
- bfd_error = no_symbols;
- return (NULL);
- }
-
- internal = (combined_entry_type *)bfd_alloc(abfd, size);
- internal_end = internal + bfd_get_symcount(abfd);
-
- raw_size = bfd_get_symcount(abfd) * SYMESZ;
- raw = (SYMENT *)bfd_alloc(abfd,raw_size);
-
- if (bfd_seek(abfd, obj_sym_filepos(abfd), SEEK_SET) == -1
- || bfd_read((PTR)raw, raw_size, 1, abfd) != raw_size) {
- bfd_error = system_call_error;
- return (NULL);
- }
- /* mark the end of the symbols */
- raw_end = raw + bfd_get_symcount(abfd);
- /*
- FIXME SOMEDAY. A string table size of zero is very weird, but
- probably possible. If one shows up, it will probably kill us.
- */
-
- /* Swap all the raw entries */
- for (raw_src = raw, internal_ptr = internal;
- raw_src < raw_end;
- raw_src++, internal_ptr++) {
-
- unsigned int i;
- coff_swap_sym_in(abfd, (PTR)raw_src, (PTR)&internal_ptr->u.syment);
- internal_ptr->fix_tag = 0;
- internal_ptr->fix_end = 0;
- symbol_ptr = internal_ptr;
-
- for (i = 0;
- i < symbol_ptr->u.syment.n_numaux;
- i++)
- {
- internal_ptr++;
- raw_src++;
-
- internal_ptr->fix_tag = 0;
- internal_ptr->fix_end = 0;
- coff_swap_aux_in(abfd, (char *)(raw_src),
- symbol_ptr->u.syment.n_type,
- symbol_ptr->u.syment.n_sclass,
- &(internal_ptr->u.auxent));
- /* Remember that bal entries arn't pointerized */
- if (i != 1 || symbol_ptr->u.syment.n_sclass != C_LEAFPROC)
- {
-
- coff_pointerize_aux(abfd,
- internal,
- symbol_ptr->u.syment.n_type,
- symbol_ptr->u.syment.n_sclass,
- internal_ptr);
- }
-
- }
- }
-
- /* Free all the raw stuff */
- bfd_release(abfd, raw);
-
- for (internal_ptr = internal; internal_ptr < internal_end;
- internal_ptr ++)
- {
- if (internal_ptr->u.syment.n_sclass == C_FILE) {
- /* make a file symbol point to the name in the auxent, since
- the text ".file" is redundant */
- if ((internal_ptr+1)->u.auxent.x_file.x_n.x_zeroes == 0) {
- /* the filename is a long one, point into the string table */
- if (string_table == NULL) {
- string_table = build_string_table(abfd);
- }
-
- internal_ptr->u.syment._n._n_n._n_offset =
- (int) (string_table - 4 +
- (internal_ptr+1)->u.auxent.x_file.x_n.x_offset);
- }
- else {
- /* ordinary short filename, put into memory anyway */
- internal_ptr->u.syment._n._n_n._n_offset = (int)
- copy_name(abfd, (internal_ptr+1)->u.auxent.x_file.x_fname,
- FILNMLEN);
- }
- }
- else {
- if (internal_ptr->u.syment._n._n_n._n_zeroes != 0) {
- /* This is a "short" name. Make it long. */
- unsigned long i = 0;
- char *newstring = NULL;
-
- /* find the length of this string without walking into memory
- that isn't ours. */
- for (i = 0; i < 8; ++i) {
- if (internal_ptr->u.syment._n._n_name[i] == '\0') {
- break;
- } /* if end of string */
- } /* possible lengths of this string. */
-
- if ((newstring = (PTR) bfd_alloc(abfd, ++i)) == NULL) {
- bfd_error = no_memory;
- return (NULL);
- } /* on error */
- memset(newstring, 0, i);
- strncpy(newstring, internal_ptr->u.syment._n._n_name, i-1);
- internal_ptr->u.syment._n._n_n._n_offset = (int) newstring;
- internal_ptr->u.syment._n._n_n._n_zeroes = 0;
- }
- else if (!SYMNAME_IN_DEBUG(&internal_ptr->u.syment)) {
- /* Long name already. Point symbol at the string in the table. */
- if (string_table == NULL) {
- string_table = build_string_table(abfd);
- }
- internal_ptr->u.syment._n._n_n._n_offset = (int)
- (string_table - 4 + internal_ptr->u.syment._n._n_n._n_offset);
- }
- else {
- /* Long name in debug section. Very similar. */
- if (debug_section == NULL) {
- debug_section = build_debug_section(abfd);
- }
- internal_ptr->u.syment._n._n_n._n_offset = (int)
- (debug_section + internal_ptr->u.syment._n._n_n._n_offset);
- }
- }
- internal_ptr += internal_ptr->u.syment.n_numaux;
- }
+ sec_ptr section AND
+ PTR location AND
+ file_ptr offset AND
+ bfd_size_type count)
+{
+ if (abfd->output_has_begun == false) /* set by bfd.c handler */
+ coff_compute_section_file_positions(abfd);
- obj_raw_syments(abfd) = internal;
+#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
- return (internal);
-} /* get_normalized_symtab() */
+ /* Don't write out bss sections - one way to do this is to
+ see if the filepos has not been set. */
+ if (section->filepos == 0)
+ return true;
-#endif /* NO_COFF_SYMBOLS */
+ bfd_seek(abfd, (file_ptr) (section->filepos + offset), SEEK_SET);
-static
-struct sec *
-DEFUN(section_from_bfd_index,(abfd, index),
- bfd *abfd AND
- int index)
+ if (count != 0) {
+ return (bfd_write(location, 1, count, abfd) == count) ? true : false;
+ }
+ return true;
+}
+#if 0
+static boolean
+coff_close_and_cleanup(abfd)
+ bfd *abfd;
{
- struct sec *answer = abfd->sections;
-
- if (index == N_ABS)
- {
- return &bfd_abs_section;
- }
- if (index == N_UNDEF)
- {
- return &bfd_und_section;
- }
- if(index == N_DEBUG)
- {
- return &bfd_debug_section;
-
- }
-
- while (answer) {
- if (answer->target_index == index)
- return answer;
- answer = answer->next;
+ if (!bfd_read_p(abfd))
+ switch (abfd->format) {
+ case bfd_archive:
+ if (!_bfd_write_archive_contents(abfd))
+ return false;
+ break;
+ case bfd_object:
+ if (!coff_write_object_contents(abfd))
+ return false;
+ break;
+ default:
+ bfd_error = invalid_operation;
+ return false;
}
- BFD_ASSERT(0);
- return &bfd_und_section; /* For gcc -W and lint. Never executed. */
+
+ /* We depend on bfd_close to free all the memory on the obstack. */
+ /* FIXME if bfd_release is not using obstacks! */
+ return true;
}
-#ifndef NO_COFF_LINENOS
+#endif
+
+static PTR
+buy_and_read(abfd, where, seek_direction, size)
+ bfd *abfd;
+ file_ptr where;
+ int seek_direction;
+ size_t size;
+{
+ PTR area = (PTR) bfd_alloc(abfd, size);
+ if (!area) {
+ bfd_error = no_memory;
+ return (NULL);
+ }
+ bfd_seek(abfd, where, seek_direction);
+ if (bfd_read(area, 1, size, abfd) != size) {
+ bfd_error = system_call_error;
+ return (NULL);
+ } /* on error */
+ return (area);
+} /* buy_and_read() */
/*
SUBSUBSECTION
- Reading Linenumbers
+ Reading linenumbers
Creating the linenumber table is done by reading in the entire
coff linenumber table, and creating another table for internal use.
- A coff line number table is structured so that each function
+ A coff linenumber table is structured so that each function
is marked as having a line number of 0. Each line within the
function is an offset from the first line in the function. The
base of the line number information for the table is stored in
return true;
} /* coff_slurp_line_table() */
-#endif /* NO_COFF_LINENOS */
-
-#ifndef NO_COFF_LINENOS
-
static boolean
DEFUN(coff_slurp_symbol_table,(abfd),
bfd *abfd)
bfd_seek(abfd, obj_sym_filepos(abfd), SEEK_SET);
/* Read in the symbol table */
- if ((native_symbols = get_normalized_symtab(abfd)) == NULL) {
+ if ((native_symbols = coff_get_normalized_symtab(abfd)) == NULL) {
return (false);
} /* on error */
/*
We use the native name field to point to the cached field
*/
- src->u.syment._n._n_n._n_zeroes = (int) dst;
- dst->symbol.section = section_from_bfd_index(abfd,
- src->u.syment.n_scnum);
+ src->u.syment._n._n_n._n_zeroes = (long) dst;
+ dst->symbol.section = coff_section_from_bfd_index(abfd,
+ src->u.syment.n_scnum);
dst->symbol.flags = 0;
dst->done_lineno = false;
return true;
} /* coff_slurp_symbol_table() */
-static unsigned int
-coff_get_symtab_upper_bound(abfd)
-bfd *abfd;
- {
- if (!coff_slurp_symbol_table(abfd))
- return 0;
-
- return (bfd_get_symcount(abfd) + 1) * (sizeof(coff_symbol_type *));
- }
-
-
-static unsigned int
-DEFUN(coff_get_symtab, (abfd, alocation),
- bfd *abfd AND
- asymbol **alocation)
-{
- unsigned int counter = 0;
- coff_symbol_type *symbase;
- coff_symbol_type **location = (coff_symbol_type **) (alocation);
- if (!coff_slurp_symbol_table(abfd))
- return 0;
-
- symbase = obj_symbols(abfd);
- while (counter < bfd_get_symcount(abfd))
- {
- /* This nasty code looks at the symbol to decide whether or
- not it is descibes a constructor/destructor entry point. It
- is structured this way to (hopefully) speed non matches */
-#if 0
- if (0 && symbase->symbol.name[9] == '$')
- {
- bfd_constructor_entry(abfd,
- (asymbol **)location,
- symbase->symbol.name[10] == 'I' ?
- "CTOR" : "DTOR");
- }
-#endif
- *(location++) = symbase++;
- counter++;
- }
- *location++ = 0;
- return bfd_get_symcount(abfd);
-}
-
-#endif /* NO_COFF_SYMBOLS */
-
-static unsigned int
-coff_get_reloc_upper_bound(abfd, asect)
-bfd *abfd;
-sec_ptr asect;
- {
- if (bfd_get_format(abfd) != bfd_object) {
- bfd_error = invalid_operation;
- return 0;
- }
- return (asect->reloc_count + 1) * sizeof(arelent *);
- }
-
/*
SUBSUBSECTION
- Reading Relocations
+ Reading relocations
Coff relocations are easily transformed into the internal BFD form
(@code{arelent}).
Reading a coff relocation table is done in the following stages:
- o The entire coff relocation table is read into memory.
+ o Read the entire coff relocation table into memory.
- o Each relocation is processed in turn, first it is swapped from the
+ o Process each relocation in turn; first swap it from the
external to the internal form.
- o The symbol referenced in the relocation's symbol index is
- turned intoa pointer into the canonical symbol table. Note
- that this table is the same as the one returned by a call to
- @code{bfd_canonicalize_symtab}. The back end will call the
+ o Turn the symbol referenced in the relocation's symbol index
+ into a pointer into the canonical symbol table.
+ This table is the same as the one returned by a call to
+ @code{bfd_canonicalize_symtab}. The back end will call that
routine and save the result if a canonicalization hasn't been done.
o The reloc index is turned into a pointer to a howto
#ifndef CALC_ADDEND
#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
- if (ptr && ptr->the_bfd == abfd \
- && ((ptr->flags & BSF_OLD_COMMON)== 0)) \
+ if (ptr && bfd_asymbol_bfd(ptr) == abfd \
+ && !bfd_is_com_section(ptr->section) \
+ && !(ptr->flags & BSF_OLD_COMMON)) \
{ \
cache_ptr->addend = -(ptr->section->vma + ptr->value); \
} \
return true;
if (asect->flags & SEC_CONSTRUCTOR)
return true;
-#ifndef NO_COFF_SYMBOLS
if (!coff_slurp_symbol_table(abfd))
return false;
-#endif
native_relocs =
(RELOC *) buy_and_read(abfd,
asect->rel_filepos,
return section->reloc_count;
}
-#ifndef NO_COFF_SYMBOLS
-
-/*
-provided a BFD, a section and an offset into the section, calculate and
-return the name of the source file and the line nearest to the wanted
-location.
-*/
-
-static boolean
-DEFUN(coff_find_nearest_line,(abfd,
- section,
- ignore_symbols,
- offset,
- filename_ptr,
- functionname_ptr,
- line_ptr),
- bfd *abfd AND
- asection *section AND
- asymbol **ignore_symbols AND
- bfd_vma offset AND
- CONST char **filename_ptr AND
- CONST char **functionname_ptr AND
- unsigned int *line_ptr)
-{
- static bfd *cache_abfd;
- static asection *cache_section;
- static bfd_vma cache_offset;
- static unsigned int cache_i;
- static alent *cache_l;
-
- unsigned int i = 0;
- coff_data_type *cof = coff_data(abfd);
- /* Run through the raw syments if available */
- combined_entry_type *p;
- alent *l;
- unsigned int line_base = 0;
-
-
- *filename_ptr = 0;
- *functionname_ptr = 0;
- *line_ptr = 0;
-
- /* Don't try and find line numbers in a non coff file */
- if (abfd->xvec->flavour != bfd_target_coff_flavour)
- return false;
-
- if (cof == NULL)
- return false;
-
- p = cof->raw_syments;
-
- for (i = 0; i < cof->raw_syment_count; i++) {
- if (p->u.syment.n_sclass == C_FILE) {
- /* File name has been moved into symbol */
- *filename_ptr = (char *) p->u.syment._n._n_n._n_offset;
- break;
- }
- p += 1 + p->u.syment.n_numaux;
- }
- /* Now wander though the raw linenumbers of the section */
- /*
- If this is the same BFD as we were previously called with and this is
- the same section, and the offset we want is further down then we can
- prime the lookup loop
- */
- if (abfd == cache_abfd &&
- section == cache_section &&
- offset >= cache_offset) {
- i = cache_i;
- l = cache_l;
- }
- else {
- i = 0;
- l = section->lineno;
- }
-
- for (; i < section->lineno_count; i++) {
- if (l->line_number == 0) {
- /* Get the symbol this line number points at */
- coff_symbol_type *coff = (coff_symbol_type *) (l->u.sym);
- *functionname_ptr = coff->symbol.name;
- if (coff->native) {
- combined_entry_type *s = coff->native;
- s = s + 1 + s->u.syment.n_numaux;
- /*
- S should now point to the .bf of the function
- */
- if (s->u.syment.n_numaux) {
- /*
- The linenumber is stored in the auxent
- */
- union internal_auxent *a = &((s + 1)->u.auxent);
- line_base = a->x_sym.x_misc.x_lnsz.x_lnno;
- }
- }
- }
- else {
- if (l->u.offset > offset)
- break;
- *line_ptr = l->line_number + line_base + 1;
- }
- l++;
- }
-
- cache_abfd = abfd;
- cache_section = section;
- cache_offset = offset;
- cache_i = i;
- cache_l = l;
-
- return true;
-}
-
#ifdef GNU960
file_ptr
coff_sym_filepos(abfd)
}
#endif
-#endif /* NO_COFF_SYMBOLS */
-
+#ifndef coff_reloc16_estimate
+#define coff_reloc16_estimate dummy_reloc16_estimate
static int
-DEFUN(coff_sizeof_headers,(abfd, reloc),
- bfd *abfd AND
- boolean reloc)
+dummy_reloc16_estimate(input_section, symbols, reloc, shrink)
+ asection *input_section;
+ asymbol **symbols;
+ arelent *reloc;
+ unsigned int shrink;
{
- size_t size;
-
- if (reloc == false) {
- size = FILHSZ + AOUTSZ;
- }
- else {
- size = FILHSZ;
- }
-
- size += abfd->section_count * SCNHSZ;
- return size;
+ abort ();
}
-static bfd_vma
-DEFUN(get_value,(reloc, seclet),
- arelent *reloc AND
- bfd_seclet_type *seclet)
-{
- bfd_vma value;
- asymbol *symbol = *(reloc->sym_ptr_ptr);
- /* A symbol holds a pointer to a section, and an offset from the
- base of the section. To relocate, we find where the section will
- live in the output and add that in */
-
- if (symbol->section == &bfd_und_section)
- {
- /* Ouch, this is an undefined symbol.. */
- bfd_error_vector.undefined_symbol(reloc, seclet);
- value = symbol->value;
- }
- else
- {
- value = symbol->value +
- symbol->section->output_offset +
- symbol->section->output_section->vma;
- }
-
-
- /* Add the value contained in the relocation */
- value += reloc->addend;
-
- return value;
-}
+#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
-DEFUN(perform_slip,(s, slip, input_section, value),
- asymbol **s AND
- unsigned int slip AND
- asection *input_section AND
- bfd_vma value)
-{
-
- /* Find all symbols past this point, and make them know
- what's happened */
- while (*s)
- {
- asymbol *p = *s;
- if (p->section == input_section)
- {
- /* This was pointing into this section, so mangle it */
- if (p->value > value)
- {
- p->value -= slip;
- }
- }
- s++;
-
- }
-}
-static int
-DEFUN(movb1,(input_section, symbols, r, shrink),
- asection *input_section AND
- asymbol **symbols AND
- arelent *r AND
- unsigned int shrink)
-{
- bfd_vma value = get_value(r,0);
-
- if (value >= 0xff00)
- {
-
- /* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16 */
- r->howto = r->howto + 1;
- /* The place to relc moves back by one */
- r->address -=1;
-
- /* This will be two bytes smaller in the long run */
- shrink +=2 ;
- perform_slip(symbols, 2, input_section, r->address - shrink +1);
-
-
- }
- return shrink;
-}
-
-static int
-DEFUN(jmp1,(input_section, symbols, r, shrink),
- asection *input_section AND
- asymbol **symbols AND
- arelent *r AND
- unsigned int shrink)
-{
-
-
- bfd_vma value = get_value(r, 0);
-
- bfd_vma dot = input_section->output_section->vma +
- input_section->output_offset + r->address;
- bfd_vma gap;
-
- /* See if the address we're looking at within 127 bytes of where
- we are, if so then we can use a small branch rather than the
- jump we were going to */
-
- gap = value - (dot - shrink);
-
-
- if (-120 < (long)gap && (long)gap < 120 )
- {
-
- /* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16 */
- r->howto = r->howto + 1;
- /* The place to relc moves back by one */
- r->address -=1;
-
- /* This will be two bytes smaller in the long run */
- shrink +=2 ;
- perform_slip(symbols, 2, input_section, r->address-shrink +1);
-
-
- }
- return shrink;
-}
-
-static boolean
-DEFUN(bfd_coff_relax_section,(abfd, i, symbols),
- bfd *abfd AND
- asection *i AND
- asymbol **symbols)
+dummy_reloc16_extra_cases (abfd, seclet, reloc, data, src_ptr, dst_ptr)
+ bfd *abfd;
+ struct bfd_seclet *seclet;
+ arelent *reloc;
+ bfd_byte *data;
+ unsigned int *src_ptr;
+ unsigned int *dst_ptr;
{
-
- /* Get enough memory to hold the stuff */
- bfd *input_bfd = i->owner;
- asection *input_section = i;
- int shrink = 0 ;
- boolean new = false;
-
- bfd_size_type reloc_size = bfd_get_reloc_upper_bound(input_bfd,
- input_section);
- arelent **reloc_vector = (arelent **)bfd_xmalloc(reloc_size);
-
- /* Get the relocs and think about them */
- if (bfd_canonicalize_reloc(input_bfd,
- input_section,
- reloc_vector,
- symbols))
- {
- arelent **parent;
- for (parent = reloc_vector; *parent; parent++)
- {
- arelent *r = *parent;
- switch (r->howto->type) {
- case R_MOVB2:
- case R_JMP2:
-
- shrink+=2;
- break;
-
- case R_MOVB1:
- shrink = movb1(input_section, symbols, r, shrink);
- new = true;
-
- break;
- case R_JMP1:
- shrink = jmp1(input_section, symbols, r, shrink);
- new = true;
-
- break;
- }
- }
-
- }
- input_section->_cooked_size -= shrink;
- free((char *)reloc_vector);
- return new;
+ fprintf(stderr, "%s\n", reloc->howto->name);
+ abort ();
}
-
-static bfd_byte *
-DEFUN(bfd_coff_get_relocated_section_contents,(in_abfd, seclet, data),
- bfd *in_abfd AND
- bfd_seclet_type *seclet AND
- bfd_byte *data)
-
-{
- /* Get enough memory to hold the stuff */
- bfd *input_bfd = seclet->u.indirect.section->owner;
- asection *input_section = seclet->u.indirect.section;
- bfd_size_type reloc_size = bfd_get_reloc_upper_bound(input_bfd,
- input_section);
- arelent **reloc_vector = (arelent **)bfd_xmalloc(reloc_size);
-
- /* read in the section */
- bfd_get_section_contents(input_bfd,
- input_section,
- data,
- 0,
- input_section->_raw_size);
-
-
- if (bfd_canonicalize_reloc(input_bfd,
- input_section,
- reloc_vector,
- seclet->u.indirect.symbols) )
- {
- arelent **parent = reloc_vector;
- arelent *reloc ;
-
-
-
- unsigned int dst_address = 0;
- unsigned int src_address = 0;
- unsigned int run;
- unsigned int idx;
-
- /* Find how long a run we can do */
- while (dst_address < seclet->size)
- {
-
- reloc = *parent;
- if (reloc)
- {
- /* Note that the relaxing didn't tie up the addresses in the
- relocation, so we use the original address to work out the
- run of non-relocated data */
- run = reloc->address - src_address;
- parent++;
-
- }
- else
- {
- run = seclet->size - dst_address;
- }
- /* Copy the bytes */
- for (idx = 0; idx < run; idx++)
- {
- data[dst_address++] = data[src_address++];
- }
-
- /* Now do the relocation */
-
- if (reloc)
- {
- switch (reloc->howto->type)
- {
- case R_JMP2:
- /* Speciial relaxed type */
- {
- bfd_vma dot = seclet->offset + dst_address + seclet->u.indirect.section->output_section->vma;
- int gap = get_value(reloc,seclet)-dot-1;
- if ((gap & ~0xff ) != 0 &&((gap & 0xff00)!= 0xff00)) abort();
-
- bfd_put_8(in_abfd,gap, data+dst_address);
-
- switch (data[dst_address-1])
- {
-
- case 0x5e:
- /* jsr -> bsr */
- bfd_put_8(in_abfd, 0x55, data+dst_address-1);
- break;
- case 0x5a:
- /* jmp ->bra */
- bfd_put_8(in_abfd, 0x40, data+dst_address-1);
- break;
-
- default:
- abort();
-
- }
-
-
-
-
- dst_address++;
- src_address+=3;
-
- break;
- }
-
-
- case R_MOVB2:
- /* Special relaxed type, there will be a gap between where we
- get stuff from and where we put stuff to now
-
- for a mov.b @aa:16 -> mov.b @aa:8
- opcode 0x6a 0x0y offset
- -> 0x2y off
- */
- if (data[dst_address-1] != 0x6a)
- abort();
- switch (data[src_address] & 0xf0)
- {
- case 0x00:
- /* Src is memory */
- data[dst_address-1] = (data[src_address] & 0xf) | 0x20;
- break;
- case 0x80:
- /* Src is reg */
- data[dst_address-1] = (data[src_address] & 0xf) | 0x30;
- break;
- default:
- abort();
- }
-
- /* the offset must fit ! after all, what was all the relaxing
- about ? */
-
- bfd_put_8(in_abfd, get_value(reloc, seclet), data + dst_address);
-
- /* Note the magic - src goes up by two bytes, but dst by only
- one */
- dst_address+=1;
- src_address+=3;
-
- break;
- /* PCrel 8 bits */
- case R_PCRBYTE:
- {
- bfd_vma dot = seclet->offset + dst_address + seclet->u.indirect.section->output_section->vma;
- int gap = get_value(reloc,seclet)-dot;
- if (gap > 127 || gap < -128)
- {
- bfd_error_vector.reloc_value_truncated(reloc, seclet);
- }
-
- bfd_put_8(in_abfd,gap, data+dst_address);
- dst_address++;
- src_address++;
-
- break;
- }
-
- case R_RELBYTE:
- {
- unsigned int gap =get_value(reloc,seclet);
- if (gap > 0xff && gap < ~0xff)
- {
- bfd_error_vector.reloc_value_truncated(reloc, seclet);
- }
-
- bfd_put_8(in_abfd, gap, data+dst_address);
- dst_address+=1;
- src_address+=1;
-
-
- }
- break;
- case R_JMP1:
- /* A relword which would have like to have been a pcrel */
- case R_MOVB1:
- /* A relword which would like to have been modified but
- didn't make it */
- case R_RELWORD:
- bfd_put_16(in_abfd, get_value(reloc,seclet), data+dst_address);
- dst_address+=2;
- src_address+=2;
- break;
-#ifdef EXTRA_CASES
- EXTRA_CASES
-#else
-
- default:
- abort();
#endif
- }
- }
- }
- }
- free((char *)reloc_vector);
- return data;
-
-}
-#if !defined (NO_COFF_SYMBOLS) && !defined (NO_COFF_LINENOS)
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, LINESZ,
+#ifdef COFF_LONG_FILENAMES
+ true,
+#else
+ false,
#endif
+ coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in,
+ coff_bad_format_hook, coff_set_arch_mach_hook, coff_mkobject_hook,
+ styp_to_sec_flags, coff_make_section_hook, coff_set_alignment_hook,
+ coff_slurp_symbol_table, symname_in_debug_hook,
+ coff_reloc16_extra_cases, coff_reloc16_estimate
+};
#define coff_core_file_failing_command _bfd_dummy_core_file_failing_command
#define coff_core_file_failing_signal _bfd_dummy_core_file_failing_signal
(void (*) PARAMS ((bfd *, struct sec *))) bfd_void
#define coff_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define coff_bfd_relax_section bfd_generic_relax_section
+#define coff_bfd_seclet_link bfd_generic_seclet_link
+#define coff_bfd_reloc_type_lookup \
+ ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
projects / deliverable / binutils-gdb.git / blobdiff