diff options
Diffstat (limited to 'contrib/binutils/gas/as.h')
| -rw-r--r-- | contrib/binutils/gas/as.h | 180 |
1 files changed, 75 insertions, 105 deletions
diff --git a/contrib/binutils/gas/as.h b/contrib/binutils/gas/as.h index 60fccaa3a649..3f457e93ec43 100644 --- a/contrib/binutils/gas/as.h +++ b/contrib/binutils/gas/as.h @@ -1,5 +1,5 @@ /* as.h - global header file - Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 1997 + Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -52,8 +52,13 @@ /* AIX requires this to be the first thing in the file. */ #ifdef __GNUC__ -# undef alloca -# define alloca __builtin_alloca +# ifndef alloca +# ifdef __STDC__ +extern void *alloca (); +# else +extern char *alloca (); +# endif +# endif #else # if HAVE_ALLOCA_H # include <alloca.h> @@ -63,9 +68,9 @@ # else # ifndef alloca /* predefined by HP cc +Olibcalls */ # if !defined (__STDC__) && !defined (__hpux) -char *alloca (); +extern char *alloca (); # else -void *alloca (); +extern void *alloca (); # endif /* __STDC__, __hpux */ # endif /* alloca */ # endif /* _AIX */ @@ -163,8 +168,8 @@ extern void free (); extern int errno; #endif -/* This is needed for VMS with DEC C. */ -#if ! defined (__GNUC__) && ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE) +/* This is needed for VMS. */ +#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE) #define unlink remove #endif @@ -372,7 +377,14 @@ enum _relax_state later. Similar to rs_org, but different. fr_symbol: operand 1 variable char: fill character */ - rs_space + rs_space, + + /* A DWARF leb128 value; only ELF uses this. The subtype is 0 for + unsigned, 1 for signed. */ + rs_leb128, + + /* Exception frame information which we may be able to optimize. */ + rs_cfa }; typedef enum _relax_state relax_stateT; @@ -385,92 +397,6 @@ typedef unsigned int relax_substateT; Could be a problem, cross-assembling for 64-bit machines. */ typedef addressT relax_addressT; - -/* frags.c */ - -/* - * A code fragment (frag) is some known number of chars, followed by some - * unknown number of chars. Typically the unknown number of chars is an - * instruction address whose size is yet unknown. We always know the greatest - * possible size the unknown number of chars may become, and reserve that - * much room at the end of the frag. - * Once created, frags do not change address during assembly. - * We chain the frags in (a) forward-linked list(s). The object-file address - * of the 1st char of a frag is generally not known until after relax(). - * Many things at assembly time describe an address by {object-file-address - * of a particular frag}+offset. - - BUG: it may be smarter to have a single pointer off to various different - notes for different frag kinds. See how code pans - */ -struct frag -{ - /* Object file address. */ - addressT fr_address; - /* Chain forward; ascending address order. Rooted in frch_root. */ - struct frag *fr_next; - - /* (Fixed) number of chars we know we have. May be 0. */ - offsetT fr_fix; - /* (Variable) number of chars after above. May be 0. */ - offsetT fr_var; - /* For variable-length tail. */ - struct symbol *fr_symbol; - /* For variable-length tail. */ - offsetT fr_offset; - /* Points to opcode low addr byte, for relaxation. */ - char *fr_opcode; - -#ifndef NO_LISTING - struct list_info_struct *line; -#endif - - /* What state is my tail in? */ - relax_stateT fr_type; - relax_substateT fr_subtype; - - union { - /* These are needed only on the NS32K machines. But since we don't - include targ-cpu.h until after this structure has been defined, - we can't really conditionalize it. This code should be - rearranged a bit to make that possible. */ - struct { - char pcrel_adjust, bsr; - } ns32k; -#ifdef USING_CGEN - /* Don't include this unless using CGEN to keep frag size down. */ - struct { - const struct cgen_insn *insn; - unsigned char opindex, opinfo; - } cgen; -#endif - } fr_targ; - - /* Where the frag was created, or where it became a variant frag. */ - char *fr_file; - unsigned int fr_line; - - /* Data begins here. */ - char fr_literal[1]; -}; - -#define SIZEOF_STRUCT_FRAG \ -((char *)zero_address_frag.fr_literal-(char *)&zero_address_frag) -/* We want to say fr_literal[0] above. */ - -typedef struct frag fragS; - -/* Current frag we are building. This frag is incomplete. It is, however, - included in frchain_now. The fr_fix field is bogus; instead, use: - obstack_next_free(&frags)-frag_now->fr_literal. */ -COMMON fragS *frag_now; -extern int frag_now_fix PARAMS ((void)); - -/* For foreign-segment symbol fixups. */ -COMMON fragS zero_address_frag; -/* For local common (N_BSS segment) fixups. */ -COMMON fragS bss_address_frag; - /* main program "as.c" (command arguments etc) */ COMMON unsigned char flag_no_comments; /* -f */ @@ -501,9 +427,14 @@ COMMON int flag_no_warnings; /* -W */ COMMON unsigned char flag_always_generate_output; /* -Z */ /* This is true if the assembler should output time and space usage. */ - COMMON unsigned char flag_print_statistics; +/* True if local absolute symbols are to be stripped. */ +COMMON int flag_strip_local_absolute; + +/* True if we should generate a traditional format object file. */ +COMMON int flag_traditional_format; + /* name of emitted object file */ COMMON char *out_file_name; @@ -520,6 +451,13 @@ COMMON int linkrelax; /* TRUE if we should produce a listing. */ extern int listing; +/* Type of debugging information we should generate. We currently + only support stabs and ECOFF. */ + +enum debug_info_type { DEBUG_NONE, DEBUG_STABS, DEBUG_ECOFF }; + +extern enum debug_info_type debug_type; + /* Maximum level of macro nesting. */ extern int max_macro_nest; @@ -555,21 +493,36 @@ typedef struct _pseudo_type pseudo_typeS; #ifdef USE_STDARG #if (__GNUC__ >= 2) && !defined(VMS) /* for use with -Wformat */ -#define PRINTF_LIKE(FCN) void FCN (const char *format, ...) \ - __attribute__ ((format (printf, 1, 2))) -#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, unsigned int line, \ - const char *format, ...) \ - __attribute__ ((format (printf, 3, 4))) -#else /* ANSI C with stdarg, but not GNU C */ + +#if __GNUC_MINOR__ < 6 +/* Support for double underscores in attribute names was added in gcc + 2.6, so avoid them if we are using an earlier version. */ +#define __printf__ printf +#define __format__ format +#endif + +#define PRINTF_LIKE(FCN) \ + void FCN (const char *format, ...) \ + __attribute__ ((__format__ (__printf__, 1, 2))) +#define PRINTF_WHERE_LIKE(FCN) \ + void FCN (char *file, unsigned int line, const char *format, ...) \ + __attribute__ ((__format__ (__printf__, 3, 4))) + +#else /* __GNUC__ < 2 || defined(VMS) */ + #define PRINTF_LIKE(FCN) void FCN PARAMS ((const char *format, ...)) #define PRINTF_WHERE_LIKE(FCN) void FCN PARAMS ((char *file, \ unsigned int line, \ const char *format, ...)) -#endif -#else /* not using stdarg */ + +#endif /* __GNUC__ < 2 || defined(VMS) */ + +#else /* ! USE_STDARG */ + #define PRINTF_LIKE(FCN) void FCN () #define PRINTF_WHERE_LIKE(FCN) void FCN () -#endif + +#endif /* ! USE_STDARG */ PRINTF_LIKE (as_bad); PRINTF_LIKE (as_fatal); @@ -577,6 +530,7 @@ PRINTF_LIKE (as_tsktsk); PRINTF_LIKE (as_warn); PRINTF_WHERE_LIKE (as_bad_where); PRINTF_WHERE_LIKE (as_warn_where); + void as_assert PARAMS ((const char *, int, const char *)); void as_abort PARAMS ((const char *, int, const char *)); @@ -609,7 +563,7 @@ void do_scrub_begin PARAMS ((int)); void input_scrub_begin PARAMS ((void)); void input_scrub_close PARAMS ((void)); void input_scrub_end PARAMS ((void)); -void new_logical_line PARAMS ((char *fname, int line_number)); +int new_logical_line PARAMS ((char *fname, int line_number)); void subsegs_begin PARAMS ((void)); void subseg_change PARAMS ((segT seg, int subseg)); segT subseg_new PARAMS ((const char *name, subsegT subseg)); @@ -619,16 +573,26 @@ void subseg_set PARAMS ((segT seg, subsegT subseg)); segT subseg_get PARAMS ((const char *, int)); #endif +void start_dependencies PARAMS ((char *)); +void register_dependency PARAMS ((char *)); +void print_dependencies PARAMS ((void)); + struct expressionS; struct fix; struct symbol; struct relax_type; +typedef struct frag fragS; #ifdef BFD_ASSEMBLER /* literal.c */ valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); #endif +int check_eh_frame PARAMS ((struct expressionS *, unsigned int *)); +int eh_frame_estimate_size_before_relax PARAMS ((fragS *)); +int eh_frame_relax_frag PARAMS ((fragS *)); +void eh_frame_convert_frag PARAMS ((fragS *)); + #include "expr.h" /* Before targ-*.h */ /* this one starts the chain of target dependant headers */ @@ -657,6 +621,12 @@ valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); #define LOCAL_LABELS_FB 0 #endif +#ifndef TEXT_SECTION_NAME +#define TEXT_SECTION_NAME ".text" +#define DATA_SECTION_NAME ".data" +#define BSS_SECTION_NAME ".bss" +#endif + #endif /* GAS */ /* end of as.h */ |