X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fas.h;h=17f06d3af89e08ca3f02d543dc5bebbea8256143;hb=cfa9f8450c82b71a4e7b8acd7c064872706327eb;hp=0ed73b7eb1c6d1093c005d97c9ead8a9146cd23c;hpb=87e48495014d9a1d075e7c99aeb9cb29daccc796;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/as.h b/gas/as.h index 0ed73b7eb1..17f06d3af8 100644 --- a/gas/as.h +++ b/gas/as.h @@ -1,5 +1,6 @@ /* as.h - global header file - Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc. + 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. @@ -14,8 +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, 675 Mass Ave, Cambridge, MA 02139, 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 @@ -43,11 +45,20 @@ /* Added #undef for DJ Delorie. The right fix is to ensure that as.h is included first, before even any system header files, in all files that use it. KR 1994.11.03 */ +/* Added void* version for STDC case. This is to be compatible with + the declaration in bison.simple, used for m68k operand parsing. + --KR 1995.08.08 */ +/* Force void* decl for hpux. This is what Bison uses. --KR 1995.08.16 */ /* 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 @@ -56,10 +67,14 @@ #pragma alloca # else # ifndef alloca /* predefined by HP cc +Olibcalls */ -char *alloca (); -# endif -# endif -# endif +# if !defined (__STDC__) && !defined (__hpux) +extern char *alloca (); +# else +extern void *alloca (); +# endif /* __STDC__, __hpux */ +# endif /* alloca */ +# endif /* _AIX */ +# endif /* HAVE_ALLOCA_H */ #endif /* Now, tend to the rest of the configuration. */ @@ -70,8 +85,10 @@ char *alloca (); #ifdef HAVE_STRING_H #include #else +#ifdef HAVE_STRINGS_H #include #endif +#endif #ifdef HAVE_STDLIB_H #include #endif @@ -83,13 +100,6 @@ char *alloca (); #include #endif -/* Some systems do declare this, but this seems to be the universal - declaration, though the parameter type varies. (It ought to use - `const' but many systems prototype it without.) Include it here - for systems that don't declare it. If conflicts arise, just add - another autoconf test... */ -extern char *strdup (/* const char * */); - #include /* The first getopt value for machine-independent long options. 150 isn't special; it's just an arbitrary non-ASCII char value. */ @@ -101,33 +111,52 @@ extern char *strdup (/* const char * */); #ifdef DEBUG #undef NDEBUG #endif +#if !defined (__GNUC__) || __GNUC_MINOR__ <= 5 +#define __PRETTY_FUNCTION__ ((char*)0) +#endif +#if 0 + /* Handle lossage with assert.h. */ #ifndef BROKEN_ASSERT #include #else /* BROKEN_ASSERT */ #ifndef NDEBUG -#define assert(p) ((p) ? 0 : (abort(), 0)) +#define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) #else #define assert(p) ((p), 0) #endif #endif /* BROKEN_ASSERT */ +#else + +#define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) +#undef abort +#define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) + +#endif + /* Now GNU header files... */ #include #ifdef BFD_ASSEMBLER #include #endif +#include /* Define the standard progress macros. */ #include /* This doesn't get taken care of anywhere. */ +#ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */ #if !defined (__GNUC__) && !defined (inline) #define inline #endif +#endif /* !__MWERKS__ */ /* Other stuff from config.h. */ +#ifdef NEED_DECLARATION_STRSTR +extern char *strstr (); +#endif #ifdef NEED_DECLARATION_MALLOC extern PTR malloc (); extern PTR realloc (); @@ -144,11 +173,9 @@ extern int errno; #define unlink remove #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)); +/* Hack to make "gcc -Wall" not complain about obstack macros. */ +#if !defined (memcpy) && !defined (bcopy) +#define bcopy(src,dest,size) memcpy(dest,src,size) #endif /* Make Saber happier on obstack.h. */ @@ -167,19 +194,6 @@ extern PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t sz)); #define __FILE__ "unknown" #endif /* __FILE__ */ -#ifndef __STDC__ -#ifndef const -#define const -#endif -#ifndef volatile -#define volatile -#endif -#endif /* ! __STDC__ */ - -#if !defined (__GNUC__) && !defined (inline) -#define inline -#endif - #ifndef FOPEN_WB #ifdef GO32 #include "fopen-bin.h" @@ -203,11 +217,6 @@ extern PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t sz)); as_fatal("Case value %ld unexpected at line %d of file \"%s\"\n", \ (long) val, __LINE__, __FILE__); \ } - -/* Version 2.1 of Solaris had problems with this declaration, but I - think that bug has since been fixed. If it causes problems on your - system, just delete it. */ -extern char *strstr (); #include "flonum.h" @@ -256,12 +265,16 @@ typedef addressT valueT; #ifdef MANY_SEGMENTS #include "bfd.h" -#define N_SEGMENTS 10 -#define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E9) -#define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9 +#define N_SEGMENTS 40 +#define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39) +#define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\ + SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\ + SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\ + SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39 #define SEG_TEXT SEG_E0 #define SEG_DATA SEG_E1 #define SEG_BSS SEG_E2 +#define SEG_LAST SEG_E39 #else #define N_SEGMENTS 3 #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS) @@ -302,7 +315,7 @@ COMMON segT now_seg; #ifdef BFD_ASSEMBLER #define segment_name(SEG) bfd_get_section_name (stdoutput, SEG) #else -extern char *const seg_name[]; +extern char const *const seg_name[]; #define segment_name(SEG) seg_name[(int) (SEG)] #endif @@ -328,146 +341,109 @@ extern segT text_section, data_section, bss_section; /* relax() */ -typedef enum _relax_state +enum _relax_state { /* Variable chars to be repeated fr_offset times. Fr_symbol unused. Used with fr_offset == 0 for a 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. 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 character. */ rs_org, - rs_machine_dependent - #ifndef WORKING_DOT_WORD /* JF: gunpoint */ - , rs_broken_word + rs_broken_word, #endif - } relax_stateT; -/* typedef unsigned char relax_substateT; */ -/* JF this is more likely to leave the end of a struct frag on an align - boundry. Be very careful with this. */ -typedef unsigned long relax_substateT; - -/* Enough bits for address, but still an integer type. - Could be a problem, cross-assembling for 64-bit machines. */ -typedef addressT relax_addressT; - + /* machine-specific relaxable (or similarly alterable) instruction */ + rs_machine_dependent, -/* frags.c */ + /* .space directive with expression operand that needs to be computed + later. Similar to rs_org, but different. + fr_symbol: operand + 1 variable char: fill character */ + rs_space, -/* - * 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; - -#if 0 /* not yet */ - /* Track the alignment and offset of the current frag. With this, - sometimes we can avoid creating new frags for .align directives. */ - unsigned short align_mask; - unsigned short align_offset; -#endif - - /* 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; - - /* 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. */ + /* A DWARF leb128 value; only ELF uses this. The subtype is 0 for + unsigned, 1 for signed. */ + rs_leb128, -typedef struct frag fragS; + /* Exception frame information which we may be able to optimize. */ + rs_cfa + }; -/* 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 (); +typedef enum _relax_state relax_stateT; -/* For foreign-segment symbol fixups. */ -COMMON fragS zero_address_frag; -/* For local common (N_BSS segment) fixups. */ -COMMON fragS bss_address_frag; +/* This type is used in prototypes, so it can't be a type that will be + widened for argument passing. */ +typedef unsigned int relax_substateT; +/* Enough bits for address, but still an integer type. + Could be a problem, cross-assembling for 64-bit machines. */ +typedef addressT relax_addressT; + /* main program "as.c" (command arguments etc) */ COMMON unsigned char flag_no_comments; /* -f */ COMMON unsigned char flag_debug; /* -D */ COMMON unsigned char flag_signed_overflow_ok; /* -J */ +#ifndef WORKING_DOT_WORD COMMON unsigned char flag_warn_displacement; /* -K */ +#endif /* True if local symbols should be retained. */ -COMMON unsigned char flag_keep_locals; /* -L */ +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 */ /* True if warnings should be inhibited. */ -COMMON unsigned char flag_no_warnings; /* -W */ +COMMON int flag_no_warnings; /* -W */ /* 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. */ +/* True if instruction swapping warnings should be inhibited. */ +COMMON unsigned char flag_warn_suppress_instructionswap; /* --nowarnswap */ +/* 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; @@ -478,10 +454,24 @@ 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; + +/* Obstack chunk size. Keep large for efficient space use, make small to + increase malloc calls for monitoring memory allocation. */ +extern int chunksize; + struct _pseudo_type { /* assembler mnemonic, lower case, no '.' */ - char *poc_name; + const char *poc_name; /* Do the work */ void (*poc_handler) PARAMS ((int)); /* Value to pass to handler */ @@ -490,16 +480,6 @@ struct _pseudo_type typedef struct _pseudo_type pseudo_typeS; -#ifdef BFD_ASSEMBLER_xxx -struct lineno_struct - { - alent line; - fragS *frag; - struct lineno_struct *next; - }; -typedef struct lineno_struct lineno; -#endif - /* Prefer varargs for non-ANSI compiler, since some will barf if the ellipsis definition is used with a no-arguments declaration. */ #if defined (HAVE_VARARGS_H) && !defined (__STDC__) @@ -514,23 +494,38 @@ typedef struct lineno_struct lineno; #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_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); @@ -539,6 +534,9 @@ 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 fprint_value PARAMS ((FILE *file, addressT value)); void sprint_value PARAMS ((char *buf, addressT value)); @@ -551,28 +549,24 @@ char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words)); char *input_scrub_include_file PARAMS ((char *filename, char *position)); 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_next_char PARAMS ((int (*get) (void), void (*unget) (int))); +int do_scrub_chars PARAMS ((int (*get) (char **), 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)); -int scrub_from_file PARAMS ((void)); -int scrub_from_string 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)); void as_perror PARAMS ((const char *gripe, const char *filename)); void as_where PARAMS ((char **namep, unsigned int *linep)); void bump_line_counters PARAMS ((void)); -void do_scrub_begin PARAMS ((void)); +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)); -void scrub_to_file PARAMS ((int ch)); -void scrub_to_string PARAMS ((int ch)); +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)); @@ -582,19 +576,35 @@ 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 */ #include "targ-env.h" +#ifndef TEXT_SECTION_NAME +#define TEXT_SECTION_NAME ".text" +#define DATA_SECTION_NAME ".data" +#define BSS_SECTION_NAME ".bss" +#endif #include "struc-symbol.h" #include "write.h" @@ -606,23 +616,18 @@ valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); #include "tc.h" #include "obj.h" +#ifdef USE_EMULATIONS +#include "emul.h" +#endif #include "listing.h" -#ifdef BFD_ASSEMBLER -/* Someday perhaps this will be selectable at run-time. */ -#if defined (OBJ_AOUT) || defined (OBJ_BOUT) -#define OUTPUT_FLAVOR bfd_target_aout_flavour -#endif -#ifdef OBJ_COFF -#define OUTPUT_FLAVOR bfd_target_coff_flavour +#ifndef LOCAL_LABELS_DOLLAR +#define LOCAL_LABELS_DOLLAR 0 #endif -#ifdef OBJ_ECOFF -#define OUTPUT_FLAVOR bfd_target_ecoff_flavour -#endif -#ifdef OBJ_ELF -#define OUTPUT_FLAVOR bfd_target_elf_flavour + +#ifndef LOCAL_LABELS_FB +#define LOCAL_LABELS_FB 0 #endif -#endif /* BFD_ASSEMBLER */ #endif /* GAS */