X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fas.h;h=852d9395a547f24289c1c0fb509d4dff2970896d;hb=bc4466dcf10e23054dc420c9eee11210dce0e9d8;hp=66d385c7dfb345c04d6bc0e90bbbe41fb4313e5e;hpb=5cece5267784495835c2fb2fb4141612d4c3c02b;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/as.h b/gas/as.h index 66d385c7df..852d9395a5 100644 --- a/gas/as.h +++ b/gas/as.h @@ -1,5 +1,5 @@ /* as.h - global header file - Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 1996 + Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -15,8 +15,9 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with GAS; see the file COPYING. If not, write to - the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + along with GAS; see the file COPYING. If not, write to the Free + Software Foundation, 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ #ifndef GAS #define GAS 1 @@ -37,6 +38,7 @@ */ #include "config.h" +#include "bin-bugs.h" /* This is the code recommended in the autoconf documentation, almost verbatim. If it doesn't work for you, let me know, and notify @@ -51,8 +53,13 @@ /* 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 @@ -62,9 +69,9 @@ # 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 */ @@ -105,7 +112,7 @@ void *alloca (); #ifdef DEBUG #undef NDEBUG #endif -#if !defined (__GNUC__) || __GNUC_MINOR__ <= 5 +#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) #define __PRETTY_FUNCTION__ ((char*)0) #endif #if 0 @@ -131,13 +138,14 @@ void *alloca (); /* Now GNU header files... */ -#include +#include "ansidecl.h" #ifdef BFD_ASSEMBLER -#include +#include "bfd.h" #endif +#include "libiberty.h" /* Define the standard progress macros. */ -#include +#include "progress.h" /* This doesn't get taken care of anywhere. */ #ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */ @@ -160,6 +168,9 @@ extern void free (); #ifdef NEED_DECLARATION_ERRNO extern int errno; #endif +#ifdef NEED_DECLARATION_ENVIRON +extern char **environ; +#endif /* This is needed for VMS. */ #if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE) @@ -171,13 +182,6 @@ extern int errno; #define bcopy(src,dest,size) memcpy(dest,src,size) #endif -#ifdef BFD_ASSEMBLER -/* This one doesn't get declared, but we're using it anyways. This - should be fixed -- either it's part of the external interface or - it's not. */ -extern PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t sz)); -#endif - /* Make Saber happier on obstack.h. */ #ifdef SABER #undef __PTR_TO_INT @@ -207,14 +211,20 @@ extern PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t sz)); #define EXIT_FAILURE 1 #endif +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + #define obstack_chunk_alloc xmalloc #define obstack_chunk_free xfree #define xfree free +#include "asintl.h" + #define BAD_CASE(val) \ { \ - as_fatal("Case value %ld unexpected at line %d of file \"%s\"\n", \ + as_fatal(_("Case value %ld unexpected at line %d of file \"%s\"\n"), \ (long) val, __LINE__, __FILE__); \ } @@ -348,11 +358,17 @@ enum _relax_state constant length frag. */ rs_fill = 1, - /* Align: Fr_offset: power of 2. Variable chars: fill pattern. */ + /* Align. The fr_offset field holds the power of 2 to which to + align. The fr_var field holds the number of characters in the + fill pattern. The fr_subtype field holds the maximum number of + bytes to skip when aligning, or 0 if there is no maximum. */ rs_align, - /* Align code: fr_offset: power of 2. Fill pattern is machine - specific, defaulting to all zeros. */ + /* Align code. The fr_offset field holds the power of 2 to which + to align. This type is only generated by machine specific + code, which is normally responsible for handling the fill + pattern. The fr_subtype field holds the maximum number of + bytes to skip when aligning, or 0 if there is no maximum. */ rs_align_code, /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill @@ -371,7 +387,14 @@ 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; @@ -384,84 +407,6 @@ 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; - - /* 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. - - In the meantime, if we get stuck like this with any other target, - create a union here. */ - char fr_pcrel_adjust, fr_bsr; - - /* 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 (); - -/* 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 */ @@ -477,9 +422,6 @@ COMMON int flag_keep_locals; /* -L */ /* True if we are assembling in MRI mode. */ COMMON int flag_mri; -/* True if we are assembling in m68k MRI mode. */ -COMMON int flag_m68k_mri; - /* Should the data section be made read-only and appended to the text section? */ COMMON unsigned char flag_readonly_data_in_text; /* -R */ @@ -487,17 +429,28 @@ COMMON unsigned char flag_readonly_data_in_text; /* -R */ /* True if warnings should be inhibited. */ COMMON int flag_no_warnings; /* -W */ +/* True if warnings count as errors. */ +COMMON int flag_fatal_warnings; /* --fatal-warnings */ + /* True if we should attempt to generate output even if non-fatal errors are detected. */ 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; +/* name of file defining extensions to the basic instruction set */ +COMMON char *insttbl_file_name; + /* TRUE if we need a second pass. */ COMMON int need_pass_2; @@ -508,6 +461,21 @@ COMMON int linkrelax; /* TRUE if we should produce a listing. */ extern int listing; +/* Type of debugging information we should generate. We currently + support stabs, ECOFF, and DWARF2. */ + +enum debug_info_type + { + DEBUG_UNSPECIFIED, + DEBUG_NONE, + DEBUG_STABS, + DEBUG_ECOFF, + DEBUG_DWARF, + DEBUG_DWARF2 + }; + +extern enum debug_info_type debug_type; + /* Maximum level of macro nesting. */ extern int max_macro_nest; @@ -541,32 +509,48 @@ typedef struct _pseudo_type pseudo_typeS; #endif #ifdef USE_STDARG -#if __GNUC__ >= 2 +#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__ == 2 && __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); +PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN; 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 *)); +void as_abort PARAMS ((const char *, int, const char *)) ATTRIBUTE_NORETURN; void fprint_value PARAMS ((FILE *file, addressT value)); void sprint_value PARAMS ((char *buf, addressT value)); @@ -578,15 +562,17 @@ void print_version_id PARAMS ((void)); char *app_push PARAMS ((void)); char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words)); char *input_scrub_include_file PARAMS ((char *filename, char *position)); +extern void input_scrub_insert_line PARAMS((const char *line)); +extern void input_scrub_insert_file PARAMS((char *path)); char *input_scrub_new_file PARAMS ((char *filename)); char *input_scrub_next_buffer PARAMS ((char **bufp)); -PTR xmalloc PARAMS ((unsigned long size)); -PTR xrealloc PARAMS ((PTR ptr, unsigned long n)); -int do_scrub_chars PARAMS ((int (*get) (char **), char *to, int tolen)); +int do_scrub_chars PARAMS ((int (*get) (char *, int), char *to, int tolen)); int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision, long exponent_bits)); int had_err PARAMS ((void)); int ignore_input PARAMS ((void)); +void cond_finish_check PARAMS ((int)); +void cond_exit_macro PARAMS ((int)); int seen_at_least_1_file PARAMS ((void)); void app_pop PARAMS ((char *arg)); void as_howmuch PARAMS ((FILE * stream)); @@ -597,7 +583,7 @@ 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)); @@ -606,23 +592,33 @@ void subseg_set PARAMS ((segT seg, subsegT subseg)); #ifdef BFD_ASSEMBLER segT subseg_get PARAMS ((const char *, int)); #endif +int subseg_text_p PARAMS ((segT)); + +void start_dependencies PARAMS ((char *)); +void register_dependency PARAMS ((char *)); +void print_dependencies PARAMS ((void)); struct expressionS; struct fix; -struct symbol; +typedef struct symbol symbolS; struct relax_type; +typedef struct frag fragS; #ifdef BFD_ASSEMBLER /* literal.c */ -valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); +valueT add_to_literal_pool PARAMS ((symbolS *, 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 */ #include "targ-env.h" -#include "struc-symbol.h" #include "write.h" #include "frags.h" #include "hash.h" @@ -637,6 +633,23 @@ valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); #endif #include "listing.h" +#ifdef TC_M68K +/* True if we are assembling in m68k MRI mode. */ +COMMON int flag_m68k_mri; +#else +#define flag_m68k_mri 0 +#endif + +#ifdef WARN_COMMENTS +COMMON int warn_comment; +COMMON unsigned int found_comment; +COMMON char *found_comment_file; +#endif + +#ifndef NUMBERS_WITH_SUFFIX +#define NUMBERS_WITH_SUFFIX 0 +#endif + #ifndef LOCAL_LABELS_DOLLAR #define LOCAL_LABELS_DOLLAR 0 #endif @@ -645,6 +658,30 @@ valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); #define LOCAL_LABELS_FB 0 #endif +#ifndef LABELS_WITHOUT_COLONS +#define LABELS_WITHOUT_COLONS 0 +#endif + +#ifndef NO_PSEUDO_DOT +#define NO_PSEUDO_DOT 0 +#endif + +#ifndef TEXT_SECTION_NAME +#define TEXT_SECTION_NAME ".text" +#define DATA_SECTION_NAME ".data" +#define BSS_SECTION_NAME ".bss" +#endif + +#ifndef OCTETS_PER_BYTE_POWER +#define OCTETS_PER_BYTE_POWER 0 +#endif +#ifndef OCTETS_PER_BYTE +#define OCTETS_PER_BYTE (1<