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-rw-r--r--include/bfd.h570
1 files changed, 489 insertions, 81 deletions
diff --git a/include/bfd.h b/include/bfd.h
index c4905da..142ceee 100644
--- a/include/bfd.h
+++ b/include/bfd.h
@@ -331,10 +331,8 @@ bfd *EXFUN(bfd_fdopenr, (CONST char *filename, CONST char *target, int fd));
bfd *EXFUN(bfd_openw, (CONST char *filename, CONST char *target));
boolean EXFUN(bfd_close, (bfd *));
boolean EXFUN(bfd_close_all_done, (bfd *));
-bfd *EXFUN(bfd_create, (CONST char *filename, bfd *template));
bfd_size_type EXFUN(bfd_alloc_size, (bfd *abfd));
-PTR EXFUN(bfd_xmalloc, ( bfd_size_type size));
-void EXFUN(bfd_write_bigendian_4byte_int, (bfd *abfd, int i));
+bfd *EXFUN(bfd_create, (CONST char *filename, bfd *template));
#define bfd_put_8(abfd, val, ptr) \
(*((char *)ptr) = (char)val)
#define bfd_get_8(abfd, ptr) \
@@ -367,46 +365,190 @@ void EXFUN(bfd_write_bigendian_4byte_int, (bfd *abfd, int i));
BFD_SEND(abfd, bfd_h_putx64,(val, ptr))
#define bfd_h_get_64(abfd, ptr) \
BFD_SEND(abfd, bfd_h_getx64,(ptr))
-typedef struct sec {
+typedef struct sec
+{
+ /* The name of the section, the name isn't a copy, the pointer is
+ the same as that passed to bfd_make_section. */
+
CONST char *name;
+
+ /* The next section in the list belonging to the BFD, or NULL. */
+
struct sec *next;
+
+ /* The field flags contains attributes of the section. Some of
+ flags are read in from the object file, and some are
+ synthesized from other information. */
+
flagword flags;
+
#define SEC_NO_FLAGS 0x000
+
+ /* Tells the OS to allocate space for this section when loaded.
+ This would clear for a section containing debug information
+ only. */
+
+
#define SEC_ALLOC 0x001
+ /* Tells the OS to load the section from the file when loading.
+ This would be clear for a .bss section */
+
#define SEC_LOAD 0x002
+ /* The section contains data still to be relocated, so there will
+ be some relocation information too. */
+
#define SEC_RELOC 0x004
+
+ /* Obsolete ? */
+
#define SEC_BALIGN 0x008
+
+ /* A signal to the OS that the section contains read only
+ data. */
#define SEC_READONLY 0x010
+
+ /* The section contains code only. */
+
#define SEC_CODE 0x020
+
+ /* The section contains data only. */
+
#define SEC_DATA 0x040
+
+ /* The section will reside in ROM. */
+
#define SEC_ROM 0x080
+
+ /* The section contains constructor information. This section
+ type is used by the linker to create lists of constructors and
+ destructors used by <<g++>>. When a back end sees a symbol
+ which should be used in a constructor list, it creates a new
+ section for the type of name (eg <<__CTOR_LIST__>>), attaches
+ the symbol to it and builds a relocation. To build the lists
+ of constructors, all the linker has to to is catenate all the
+ sections called <<__CTOR_LIST__>> and relocte the data
+ contained within - exactly the operations it would peform on
+ standard data. */
+
#define SEC_CONSTRUCTOR 0x100
+
+ /* The section is a constuctor, and should be placed at the
+ end of the . */
+
+
#define SEC_CONSTRUCTOR_TEXT 0x1100
+
#define SEC_CONSTRUCTOR_DATA 0x2100
+
#define SEC_CONSTRUCTOR_BSS 0x3100
+
+
+ /* The section has contents - a bss section could be
+ <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>, a debug section could be
+ <<SEC_HAS_CONTENTS>> */
+
#define SEC_HAS_CONTENTS 0x200
+
+ /* An instruction to the linker not to output sections
+ containing this flag even if they have information which
+ would normally be written. */
+
#define SEC_NEVER_LOAD 0x400
+
+ /* The base address of the section in the address space of the
+ target. */
+
bfd_vma vma;
+
+ /* The size of the section in bytes of the loaded section. This
+ contains a value even if the section has no contents (eg, the
+ size of <<.bss>>). */
+
bfd_size_type size;
+
+ /* If this section is going to be output, then this value is the
+ offset into the output section of the first byte in the input
+ section. Eg, if this was going to start at the 100th byte in
+ the output section, this value would be 100. */
+
bfd_vma output_offset;
+
+ /* The output section through which to map on output. */
+
struct sec *output_section;
+
+ /* The alignment requirement of the section, as an exponent - eg
+ 3 aligns to 2^3 (or 8) */
+
unsigned int alignment_power;
+
+ /* If an input section, a pointer to a vector of relocation
+ records for the data in this section. */
+
struct reloc_cache_entry *relocation;
+
+ /* If an output section, a pointer to a vector of pointers to
+ relocation records for the data in this section. */
+
struct reloc_cache_entry **orelocation;
+
+ /* The number of relocation records in one of the above */
+
unsigned reloc_count;
+
+ /* Which section is it 0.nth */
+
int index;
+
+ /* Information below is back end specific - and not always used
+ or updated
+
+ File position of section data */
+
file_ptr filepos;
+
+ /* File position of relocation info */
+
file_ptr rel_filepos;
+
+ /* File position of line data */
+
file_ptr line_filepos;
+
+ /* Pointer to data for applications */
+
PTR userdata;
+
struct lang_output_section *otheruserdata;
+
+ /* Attached line number information */
+
alent *lineno;
+
+ /* Number of line number records */
+
unsigned int lineno_count;
+
+ /* When a section is being output, this value changes as more
+ linenumbers are written out */
+
file_ptr moving_line_filepos;
+
+ /* what the section number is in the target world */
+
unsigned int target_index;
+
PTR used_by_bfd;
+
+ /* If this is a constructor section then here is a list of the
+ relocations created to relocate items within it. */
+
struct relent_chain *constructor_chain;
+
+ /* The BFD which owns the section. */
+
bfd *owner;
+
} asection ;
asection *EXFUN(bfd_get_section_by_name, (bfd *abfd, CONST char *name));
asection *EXFUN(bfd_make_section_old_way, (bfd *, CONST char *name));
@@ -415,14 +557,14 @@ boolean EXFUN(bfd_set_section_flags, (bfd *, asection *, flagword));
void EXFUN(bfd_map_over_sections, (bfd *abfd, void (*func)(), PTR obj));
boolean EXFUN(bfd_set_section_size, (bfd *, asection *, bfd_size_type val));
boolean EXFUN(bfd_set_section_contents
-, (bfd *abfd,
-asection *section,
-PTR data,
-file_ptr offset,
-bfd_size_type count));
+ , (bfd *abfd,
+ asection *section,
+ PTR data,
+ file_ptr offset,
+ bfd_size_type count));
boolean EXFUN(bfd_get_section_contents
-, (bfd *abfd, asection *section, PTR location,
-file_ptr offset, bfd_size_type count));
+ , (bfd *abfd, asection *section, PTR location,
+ file_ptr offset, bfd_size_type count));
enum bfd_architecture
{
bfd_arch_unknown, /* File arch not known */
@@ -492,9 +634,8 @@ typedef struct bfd_arch_info
CONST char *EXFUN(bfd_printable_name, (bfd *abfd));
bfd_arch_info_type *EXFUN(bfd_scan_arch, (CONST char *));
CONST bfd_arch_info_type *EXFUN(bfd_arch_get_compatible, (
-CONST bfd *abfd,
-CONST bfd *bbfd));
-extern bfd_arch_info_type bfd_default_arch_struct;
+ CONST bfd *abfd,
+ CONST bfd *bbfd));
void EXFUN(bfd_set_arch_info, (bfd *, bfd_arch_info_type *));
enum bfd_architecture EXFUN(bfd_get_arch, (bfd *abfd));
unsigned long EXFUN(bfd_get_mach, (bfd *abfd));
@@ -502,66 +643,153 @@ unsigned int EXFUN(bfd_arch_bits_per_byte, (bfd *abfd));
unsigned int EXFUN(bfd_arch_bits_per_address, (bfd *abfd));
bfd_arch_info_type * EXFUN(bfd_get_arch_info, (bfd *));
bfd_arch_info_type *EXFUN(bfd_lookup_arch
-, (enum bfd_architecture
-arch,
-long machine));
+ , (enum bfd_architecture
+ arch,
+ long machine));
CONST char * EXFUN(bfd_printable_arch_mach
-, (enum bfd_architecture arch, unsigned long machine));
-typedef enum bfd_reloc_status {
+ , (enum bfd_architecture arch, unsigned long machine));
+typedef enum bfd_reloc_status
+{
+ /* No errors detected */
bfd_reloc_ok,
+
+ /* The relocation was performed, but there was an overflow. */
bfd_reloc_overflow,
+
+ /* The address to relocate was not within the section supplied*/
bfd_reloc_outofrange,
+
+ /* Used by special functions */
bfd_reloc_continue,
+
+ /* Unused */
bfd_reloc_notsupported,
+
+ /* Unsupported relocation size requested. */
bfd_reloc_other,
+
+ /* The symbol to relocate against was undefined.*/
bfd_reloc_undefined,
+
+ /* The relocation was performed, but may not be ok - presently
+ generated only when linking i960 coff files with i960 b.out
+ symbols. */
bfd_reloc_dangerous
- }
+ }
bfd_reloc_status_type;
+
+
typedef struct reloc_cache_entry
{
+ /* A pointer into the canonical table of pointers */
struct symbol_cache_entry **sym_ptr_ptr;
+
+ /* offset in section */
rawdata_offset address;
+
+ /* addend for relocation value */
bfd_vma addend;
+
+ /* if sym is null this is the section */
struct sec *section;
+
+ /* Pointer to how to perform the required relocation */
CONST struct reloc_howto_struct *howto;
+
} arelent;
typedef CONST struct reloc_howto_struct
{
+ /* The type field has mainly a documetary use - the back end can
+ to what it wants with it, though the normally the back end's
+ external idea of what a reloc number would be would be stored
+ in this field. For example, the a PC relative word relocation
+ in a coff environment would have the type 023 - because that's
+ what the outside world calls a R_PCRWORD reloc. */
unsigned int type;
+
+ /* The value the final relocation is shifted right by. This drops
+ unwanted data from the relocation. */
unsigned int rightshift;
+
+ /* The size of the item to be relocated - 0, is one byte, 1 is 2
+ bytes, 3 is four bytes. */
unsigned int size;
+
+ /* Now obsolete */
unsigned int bitsize;
+
+ /* Notes that the relocation is relative to the location in the
+ data section of the addend. The relocation function will
+ subtract from the relocation value the address of the location
+ being relocated. */
boolean pc_relative;
+
+ /* Now obsolete */
unsigned int bitpos;
+
+ /* Now obsolete */
boolean absolute;
+
+ /* Causes the relocation routine to return an error if overflow
+ is detected when relocating. */
boolean complain_on_overflow;
+
+ /* If this field is non null, then the supplied function is
+ called rather than the normal function. This allows really
+ strange relocation methods to be accomodated (eg, i960 callj
+ instructions). */
bfd_reloc_status_type (*special_function)();
+
+ /* The textual name of the relocation type. */
char *name;
+
+ /* When performing a partial link, some formats must modify the
+ relocations rather than the data - this flag signals this.*/
boolean partial_inplace;
+
+ /* The src_mask is used to select what parts of the read in data
+ are to be used in the relocation sum. Eg, if this was an 8 bit
+ bit of data which we read and relocated, this would be
+ 0x000000ff. When we have relocs which have an addend, such as
+ sun4 extended relocs, the value in the offset part of a
+ relocating field is garbage so we never use it. In this case
+ the mask would be 0x00000000. */
bfd_word src_mask;
+
+ /* The dst_mask is what parts of the instruction are replaced
+ into the instruction. In most cases src_mask == dst_mask,
+ except in the above special case, where dst_mask would be
+ 0x000000ff, and src_mask would be 0x00000000. */
bfd_word dst_mask;
+
+ /* When some formats create PC relative instructions, they leave
+ the value of the pc of the place being relocated in the offset
+ slot of the instruction, so that a PC relative relocation can
+ be made just by adding in an ordinary offset (eg sun3 a.out).
+ Some formats leave the displacement part of an instruction
+ empty (eg m88k bcs), this flag signals the fact.*/
boolean pcrel_offset;
+
} reloc_howto_type;
#define HOWTO(C, R,S,B, P, BI, ABS, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
{(unsigned)C,R,S,B, P, BI, ABS,O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC}
#define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,false,false,FUNCTION, NAME,false,0,0,IN)
-#define HOWTO_PREPARE(relocation, symbol) \
- { \
- if (symbol != (asymbol *)NULL) { \
- if (symbol->flags & BSF_FORT_COMM) { \
- relocation = 0; \
- } \
- else { \
- relocation = symbol->value; \
- } \
- } \
- if (symbol->section != (asection *)NULL) { \
- relocation += symbol->section->output_section->vma + \
- symbol->section->output_offset; \
- } \
-}
+#define HOWTO_PREPARE(relocation, symbol) \
+ { \
+ if (symbol != (asymbol *)NULL) { \
+ if (symbol->flags & BSF_FORT_COMM) { \
+ relocation = 0; \
+ } \
+ else { \
+ relocation = symbol->value; \
+ } \
+ } \
+ if (symbol->section != (asection *)NULL) { \
+ relocation += symbol->section->output_section->vma + \
+ symbol->section->output_offset; \
+ } \
+}
typedef unsigned char bfd_byte;
typedef struct relent_chain {
@@ -570,49 +798,140 @@ typedef struct relent_chain {
} arelent_chain;
bfd_reloc_status_type
EXFUN(bfd_perform_relocation
-, (bfd * abfd,
-arelent *reloc_entry,
-PTR data,
-asection *input_section,
-bfd *output_bfd));
-typedef enum bfd_reloc_code_real {
- BFD_RELOC_16,
+ , (bfd * abfd,
+ arelent *reloc_entry,
+ PTR data,
+ asection *input_section,
+ bfd *output_bfd));
+typedef enum bfd_reloc_code_real
+{
+ /* 16 bits wide, simple reloc */
+ BFD_RELOC_16,
+
+ /* 8 bits wide, but used to form an address like 0xffnn */
BFD_RELOC_8_FFnn,
+
+ /* 8 bits wide, simple */
BFD_RELOC_8,
+
+ /* 8 bits wide, pc relative */
BFD_RELOC_8_PCREL,
+
+ /* The type of reloc used to build a contructor table - at the
+ moment probably a 32 bit wide abs address, but the cpu can
+ choose. */
+
BFD_RELOC_CTOR
} bfd_reloc_code_real_type;
CONST struct reloc_howto_struct *
EXFUN(bfd_reloc_type_lookup
-, (CONST bfd_arch_info_type *arch, bfd_reloc_code_type code));
+ , (CONST bfd_arch_info_type *arch, bfd_reloc_code_type code));
typedef struct symbol_cache_entry
{
+ /* A pointer to the BFD which owns the symbol. This information
+ is necessary so that a back end can work out what additional
+ (invisible to the application writer) information is carried
+ with the symbol. */
+
struct _bfd *the_bfd;
- CONST char *name;
- symvalue value;
+
+ /* The text of the symbol. The name is left alone, and not copied - the
+ application may not alter it. */
+ CONST char *name;
+
+ /* The value of the symbol.*/
+ symvalue value;
+
+ /* Attributes of a symbol: */
+
#define BSF_NO_FLAGS 0x00
+
+ /* The symbol has local scope; <<static>> in <<C>>. The value
+ is the offset into the section of the data. */
#define BSF_LOCAL 0x01
+
+ /* The symbol has global scope; initialized data in <<C>>. The
+ value is the offset into the section of the data. */
#define BSF_GLOBAL 0x02
+
+ /* Obsolete */
#define BSF_IMPORT 0x04
+
+ /* The symbol has global scope, and is exported. The value is
+ the offset into the section of the data. */
#define BSF_EXPORT 0x08
+
+ /* The symbol is undefined. <<extern>> in <<C>>. The value has
+ no meaning. */
#define BSF_UNDEFINED 0x10
+
+ /* The symbol is common, initialized to zero; default in
+ <<C>>. The value is the size of the object in bytes. */
#define BSF_FORT_COMM 0x20
+
+ /* A normal C symbol would be one of:
+ <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
+ <<BSF_EXPORT|BSD_GLOBAL>> */
+
+ /* The symbol is a debugging record. The value has an arbitary
+ meaning. */
#define BSF_DEBUGGING 0x40
+
+ /* The symbol has no section attached, any value is the actual
+ value and is not a relative offset to a section. */
#define BSF_ABSOLUTE 0x80
+
+ /* Used by the linker */
#define BSF_KEEP 0x10000
#define BSF_KEEP_G 0x80000
+
+ /* Unused */
#define BSF_WEAK 0x100000
#define BSF_CTOR 0x200000
#define BSF_FAKE 0x400000
+
+ /* The symbol used to be a common symbol, but now it is
+ allocated. */
#define BSF_OLD_COMMON 0x800000
+
+ /* The default value for common data. */
#define BFD_FORT_COMM_DEFAULT_VALUE 0
+
+ /* In some files the type of a symbol sometimes alters its
+ location in an output file - ie in coff a <<ISFCN>> symbol
+ which is also <<C_EXT>> symbol appears where it was
+ declared and not at the end of a section. This bit is set
+ by the target BFD part to convey this information. */
+
#define BSF_NOT_AT_END 0x40000
+
+ /* Signal that the symbol is the label of constructor section. */
#define BSF_CONSTRUCTOR 0x1000000
+
+ /* Signal that the symbol is a warning symbol. If the symbol
+ is a warning symbol, then the value field (I know this is
+ tacky) will point to the asymbol which when referenced will
+ cause the warning. */
#define BSF_WARNING 0x2000000
+
+ /* Signal that the symbol is indirect. The value of the symbol
+ is a pointer to an undefined asymbol which contains the
+ name to use instead. */
#define BSF_INDIRECT 0x4000000
+
flagword flags;
+
+ /* A pointer to the section to which this symbol is relative,
+ or 0 if the symbol is absolute or undefined. Note that it
+ is not sufficient to set this location to 0 to mark a
+ symbol as absolute - the flag <<BSF_ABSOLUTE>> must be set
+ also. */
struct sec *section;
+
+ /* Back end special data. This is being phased out in favour
+ of making this a union. */
PTR udata;
+
} asymbol;
#define get_symtab_upper_bound(abfd) \
BFD_SEND (abfd, _get_symtab_upper_bound, (abfd))
@@ -626,47 +945,136 @@ void EXFUN(bfd_print_symbol_vandf, (PTR file, asymbol *symbol));
int EXFUN(bfd_decode_symclass, (asymbol *symbol));
struct _bfd
{
- CONST char *filename;
- struct bfd_target *xvec;
- char *iostream;
- boolean cacheable;
- boolean target_defaulted;
- struct _bfd *lru_prev, *lru_next;
- file_ptr where;
- boolean opened_once;
- boolean mtime_set;
- long mtime;
- int ifd;
- bfd_format format;
- enum bfd_direction {no_direction = 0,
- read_direction = 1,
- write_direction = 2,
- both_direction = 3} direction;
- flagword flags;
- file_ptr origin;
- boolean output_has_begun;
- struct sec *sections;
- unsigned int section_count;
- bfd_vma start_address;
- unsigned int symcount;
- struct symbol_cache_entry **outsymbols;
- struct bfd_arch_info *arch_info;
- PTR arelt_data;
- struct _bfd *my_archive;
- struct _bfd *next;
- struct _bfd *archive_head;
- boolean has_armap;
- PTR tdata;
- PTR usrdata;
- struct obstack memory;
+ /* The filename the application opened the BFD with. */
+ CONST char *filename;
+
+ /* A pointer to the target jump table. */
+ struct bfd_target *xvec;
+
+ /* To avoid dragging too many header files into every file that
+ includes @file{bfd.h}, IOSTREAM has been declared as a "char
+ *", and MTIME as a "long". Their correct types, to which they
+ are cast when used, are "FILE *" and "time_t". The iostream
+ is the result of an fopen on the filename. */
+ char *iostream;
+
+ /* Is the file being cached */
+
+ boolean cacheable;
+
+ /* Marks whether there was a default target specified when the
+ BFD was opened. This is used to select what matching algorithm
+ to use to chose the back end. */
+
+ boolean target_defaulted;
+
+ /* The caching routines use these to maintain a
+ least-recently-used list of BFDs */
+
+ struct _bfd *lru_prev, *lru_next;
+
+ /* When a file is closed by the caching routines, BFD retains
+ state information on the file here:
+ */
+
+ file_ptr where;
+
+ /* and here:*/
+
+ boolean opened_once;
+
+ /* Set if we have a locally maintained mtime value, rather than
+ getting it from the file each time: */
+
+ boolean mtime_set;
+
+ /* File modified time, if mtime_set is true: */
+
+ long mtime;
+
+ /* Reserved for an unimplemented file locking extension.*/
+
+ int ifd;
+
+ /* The format which belongs to the BFD.*/
+
+ bfd_format format;
+
+ /* The direction the BFD was opened with*/
+
+ enum bfd_direction {no_direction = 0,
+ read_direction = 1,
+ write_direction = 2,
+ both_direction = 3} direction;
+
+ /* Format_specific flags*/
+
+ flagword flags;
+
+ /* Currently my_archive is tested before adding origin to
+ anything. I believe that this can become always an add of
+ origin, with origin set to 0 for non archive files. */
+
+ file_ptr origin;
+
+ /* Remember when output has begun, to stop strange things
+ happening. */
+ boolean output_has_begun;
+
+ /* Pointer to linked list of sections*/
+ struct sec *sections;
+
+ /* The number of sections */
+ unsigned int section_count;
+
+ /* Stuff only useful for object files:
+ The start address. */
+ bfd_vma start_address;
+
+ /* Used for input and output*/
+ unsigned int symcount;
+
+ /* Symbol table for output BFD*/
+ struct symbol_cache_entry **outsymbols;
+
+ /* Pointer to structure which contains architecture information*/
+ struct bfd_arch_info *arch_info;
+
+ /* Stuff only useful for archives:*/
+ PTR arelt_data;
+ struct _bfd *my_archive;
+ struct _bfd *next;
+ struct _bfd *archive_head;
+ boolean has_armap;
+
+ /* Used by the back end to hold private data. */
+ PTR tdata;
+
+ /* Used by the application to hold private data*/
+ PTR usrdata;
+
+ /* Where all the allocated stuff under this BFD goes */
+ struct obstack memory;
};
+
+unsigned int EXFUN(bfd_get_reloc_upper_bound, (bfd *abfd, asection *sect));
+unsigned int EXFUN(bfd_canonicalize_reloc
+ , (bfd *abfd,
+ asection *sec,
+ arelent **loc,
+ asymbol **syms));
+boolean EXFUN(bfd_set_file_flags, (bfd *abfd, flagword flags));
+void EXFUN(bfd_set_reloc
+ , (bfd *abfd, asection *sec, arelent **rel, unsigned int count)
+
+ );
boolean EXFUN(bfd_set_start_address, (bfd *, bfd_vma));
long EXFUN(bfd_get_mtime, (bfd *));
#define bfd_sizeof_headers(abfd, reloc) \
BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
-#define bfd_find_nearest_line(abfd, section, symbols, offset, filename_ptr, func, line_ptr) \
- BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, section, symbols, offset, filename_ptr, func, line_ptr))
+#define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
+ BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, sec, syms, off, file, func, line))
#define bfd_debug_info_start(abfd) \
BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
@@ -720,7 +1128,7 @@ bfd* EXFUN(bfd_openr_next_archived_file, (bfd *archive, bfd *previous));
CONST char *EXFUN(bfd_core_file_failing_command, (bfd *));
int EXFUN(bfd_core_file_failing_signal, (bfd *));
boolean EXFUN(core_file_matches_executable_p
-, (bfd *core_bfd, bfd *exec_bfd));
+ , (bfd *core_bfd, bfd *exec_bfd));
#define SDEF(ret, name, arglist) \
PROTO(ret,(*name),arglist)
#define SDEF_FMT(ret, name, arglist) \