X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fas.h;h=3682eb1c8c2e3c72f8bdbc23bb9aeda0ce0d81fa;hb=92f01d6100e9f8bf2c4178dc34c1084119d6292d;hp=cdb267adbf07bcffb4393b0901cae0ad1aa34ace;hpb=1d3b2b274b769f33e03cfa6ece84e152996b242a;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/as.h b/gas/as.h index cdb267adbf..3682eb1c8c 100644 --- a/gas/as.h +++ b/gas/as.h @@ -1,6 +1,6 @@ /* as.h - global header file Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002, 2003 + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -17,28 +17,26 @@ 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. */ + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef GAS #define GAS 1 /* I think this stuff is largely out of date. xoxorich. - * - * CAPITALISED names are #defined. - * "lowercaseH" is #defined if "lowercase.h" has been #include-d. - * "lowercaseT" is a typedef of "lowercase" objects. - * "lowercaseP" is type "pointer to object of type 'lowercase'". - * "lowercaseS" is typedef struct ... lowercaseS. - * - * #define DEBUG to enable all the "know" assertion tests. - * #define SUSPECT when debugging hash code. - * #define COMMON as "extern" for all modules except one, where you #define - * COMMON as "". - * If TEST is #defined, then we are testing a module: #define COMMON as "". - */ + + CAPITALISED names are #defined. + "lowercaseH" is #defined if "lowercase.h" has been #include-d. + "lowercaseT" is a typedef of "lowercase" objects. + "lowercaseP" is type "pointer to object of type 'lowercase'". + "lowercaseS" is typedef struct ... lowercaseS. + + #define DEBUG to enable all the "know" assertion tests. + #define SUSPECT when debugging hash code. + #define COMMON as "extern" for all modules except one, where you #define + COMMON as "". + If TEST is #defined, then we are testing a module: #define COMMON as "". */ #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 @@ -69,6 +67,19 @@ extern void *alloca (); # endif /* HAVE_ALLOCA_H */ #endif /* __GNUC__ */ +/* 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__) +#undef HAVE_STDARG_H +#endif + +#if defined (HAVE_STDARG_H) +#define USE_STDARG +#endif +#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H) +#define USE_VARARGS +#endif + /* Now, tend to the rest of the configuration. */ /* System include files first... */ @@ -91,6 +102,27 @@ extern void *alloca (); #include #endif +#ifdef HAVE_ERRNO_H +#include +#endif + +#ifdef USE_STDARG +#include +#endif + +#ifdef USE_VARARGS +#include +#endif + +#if !defined (USE_STDARG) && !defined (USE_VARARGS) +/* Roll our own. */ +#define va_alist REST +#define va_dcl +typedef int * va_list; +#define va_start(ARGS) ARGS = &REST +#define va_end(ARGS) +#endif + #include "getopt.h" /* The first getopt value for machine-independent long options. 150 isn't special; it's just an arbitrary non-ASCII char value. */ @@ -105,60 +137,49 @@ extern void *alloca (); #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) #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 : (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)) +#define assert(P) \ + ((void) ((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 "ansidecl.h" -#ifdef BFD_ASSEMBLER #include "bfd.h" -#endif #include "libiberty.h" /* Define the standard progress macros. */ #include "progress.h" /* This doesn't get taken care of anywhere. */ -#ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */ +#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 (); +#ifdef NEED_DECLARATION_ENVIRON +extern char **environ; #endif -#ifdef NEED_DECLARATION_MALLOC -extern PTR malloc (); -extern PTR realloc (); +#ifdef NEED_DECLARATION_ERRNO +extern int errno; +#endif +#ifdef NEED_DECLARATION_FFS +extern int ffs (int); #endif #ifdef NEED_DECLARATION_FREE extern void free (); #endif -#ifdef NEED_DECLARATION_ERRNO -extern int errno; +#ifdef NEED_DECLARATION_MALLOC +extern PTR malloc (); +extern PTR realloc (); #endif -#ifdef NEED_DECLARATION_ENVIRON -extern char **environ; +#ifdef NEED_DECLARATION_STRSTR +extern char *strstr (); +#endif + +#if !HAVE_DECL_VSNPRINTF +extern int vsnprintf(char *, size_t, const char *, va_list); #endif /* This is needed for VMS. */ @@ -188,7 +209,7 @@ extern char **environ; #endif /* __FILE__ */ #ifndef FOPEN_WB -#if defined GO32 || defined __MINGW32__ +#ifdef USE_BINARY_FOPEN #include "fopen-bin.h" #else #include "fopen-same.h" @@ -221,33 +242,28 @@ extern char **environ; /* These are assembler-wide concepts */ -#ifdef BFD_ASSEMBLER extern bfd *stdoutput; typedef bfd_vma addressT; typedef bfd_signed_vma offsetT; -#else -typedef unsigned long addressT; -typedef long offsetT; -#endif /* Type of symbol value, etc. For use in prototypes. */ typedef addressT valueT; #ifndef COMMON #ifdef TEST -#define COMMON /* declare our COMMONs storage here. */ +#define COMMON /* Declare our COMMONs storage here. */ #else -#define COMMON extern /* our commons live elswhere */ +#define COMMON extern /* Our commons live elsewhere. */ #endif #endif /* COMMON now defined */ #ifdef DEBUG #ifndef know -#define know(p) assert(p) /* Verify our assumptions! */ +#define know(p) assert(p) /* Verify our assumptions! */ #endif /* not yet defined */ #else -#define know(p) /* know() checks are no-op.ed */ +#define know(p) /* know() checks are no-op.ed */ #endif /* input_scrub.c */ @@ -257,90 +273,36 @@ typedef addressT valueT; /* subsegs.c Sub-segments. Also, segment(=expression type)s.*/ -#ifndef BFD_ASSEMBLER - -#ifdef MANY_SEGMENTS -#include "bfd.h" -#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) -#define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS -#endif - -typedef enum _segT { - SEG_ABSOLUTE = 0, - SEG_LIST, - SEG_UNKNOWN, - SEG_GOOF, /* Only happens if AS has a logic error. */ - /* Invented so we don't crash printing */ - /* error message involving weird segment. */ - SEG_EXPR, /* Intermediate expression values. */ - SEG_DEBUG, /* Debug segment */ - SEG_NTV, /* Transfert vector preload segment */ - SEG_PTV, /* Transfert vector postload segment */ - SEG_REGISTER /* Mythical: a register-valued expression */ -} segT; - -#define SEG_MAXIMUM_ORDINAL (SEG_REGISTER) -#else typedef asection *segT; -#define SEG_NORMAL(SEG) ((SEG) != absolute_section \ +#define SEG_NORMAL(SEG) ( (SEG) != absolute_section \ && (SEG) != undefined_section \ && (SEG) != reg_section \ && (SEG) != expr_section) -#endif typedef int subsegT; -/* What subseg we are accreting now? */ +/* What subseg we are accessing now? */ COMMON subsegT now_subseg; /* Segment our instructions emit to. */ COMMON segT now_seg; -#ifdef BFD_ASSEMBLER #define segment_name(SEG) bfd_get_section_name (stdoutput, SEG) -#else -extern char const *const seg_name[]; -#define segment_name(SEG) seg_name[(int) (SEG)] -#endif - -#ifndef BFD_ASSEMBLER -extern int section_alignment[]; -#endif -#ifdef BFD_ASSEMBLER extern segT reg_section, expr_section; /* Shouldn't these be eliminated someday? */ extern segT text_section, data_section, bss_section; #define absolute_section bfd_abs_section_ptr #define undefined_section bfd_und_section_ptr -#else -#define reg_section SEG_REGISTER -#define expr_section SEG_EXPR -#define text_section SEG_TEXT -#define data_section SEG_DATA -#define bss_section SEG_BSS -#define absolute_section SEG_ABSOLUTE -#define undefined_section SEG_UNKNOWN -#endif -/* relax() */ +enum _relax_state +{ + /* Dummy frag used by listing code. */ + rs_dummy = 0, -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, + rs_fill, /* 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 @@ -368,7 +330,7 @@ enum _relax_state { rs_broken_word, #endif - /* machine-specific relaxable (or similarly alterable) instruction */ + /* Machine specific relaxable (or similarly alterable) instruction. */ rs_machine_dependent, /* .space directive with expression operand that needs to be computed @@ -397,8 +359,24 @@ 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; + +struct relax_type +{ + /* Forward reach. Signed number. > 0. */ + offsetT rlx_forward; + /* Backward reach. Signed number. < 0. */ + offsetT rlx_backward; + + /* Bytes length of this address. */ + unsigned char rlx_length; + + /* Next longer relax-state. 0 means there is no 'next' relax-state. */ + relax_substateT rlx_more; +}; + +typedef struct relax_type relax_typeS; -/* main program "as.c" (command arguments etc) */ +/* main program "as.c" (command arguments etc). */ COMMON unsigned char flag_no_comments; /* -f */ COMMON unsigned char flag_debug; /* -D */ @@ -436,6 +414,12 @@ COMMON int flag_strip_local_absolute; /* True if we should generate a traditional format object file. */ COMMON int flag_traditional_format; +/* TRUE if .note.GNU-stack section with SEC_CODE should be created */ +COMMON int flag_execstack; + +/* TRUE if .note.GNU-stack section with SEC_CODE should be created */ +COMMON int flag_noexecstack; + /* name of emitted object file */ COMMON char *out_file_name; @@ -460,7 +444,8 @@ extern int listing; This is especially relevant to DWARF2, since the compiler may emit line number directives that the assembler resolves. */ -enum debug_info_type { +enum debug_info_type +{ DEBUG_UNSPECIFIED, DEBUG_NONE, DEBUG_STABS, @@ -470,38 +455,30 @@ enum debug_info_type { }; extern enum debug_info_type debug_type; +extern int use_gnu_debug_info_extensions; /* Maximum level of macro nesting. */ extern int max_macro_nest; +/* Verbosity level. */ +extern int verbose; + /* 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 { +struct _pseudo_type +{ /* assembler mnemonic, lower case, no '.' */ const char *poc_name; /* Do the work */ - void (*poc_handler) PARAMS ((int)); + void (*poc_handler) (int); /* Value to pass to handler */ int poc_val; }; typedef struct _pseudo_type pseudo_typeS; -/* 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__) -#undef HAVE_STDARG_H -#endif - -#if defined (HAVE_STDARG_H) -#define USE_STDARG -#endif -#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H) -#define USE_VARARGS -#endif - #ifdef USE_STDARG #if (__GNUC__ >= 2) && !defined(VMS) /* for use with -Wformat */ @@ -522,10 +499,10 @@ typedef struct _pseudo_type pseudo_typeS; #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, ...)) +#define PRINTF_LIKE(FCN) void FCN (const char *format, ...) +#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \ + unsigned int line, \ + const char *format, ...) #endif /* __GNUC__ < 2 || defined(VMS) */ @@ -543,54 +520,47 @@ 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 *)) ATTRIBUTE_NORETURN; - -void fprint_value PARAMS ((FILE *file, addressT value)); -void sprint_value PARAMS ((char *buf, addressT value)); - -int had_errors PARAMS ((void)); -int had_warnings PARAMS ((void)); - -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)); -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)); -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 ((int)); -void input_scrub_begin PARAMS ((void)); -void input_scrub_close PARAMS ((void)); -void input_scrub_end PARAMS ((void)); -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)); -segT subseg_force_new PARAMS ((const char *name, subsegT subseg)); -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)); +void as_assert (const char *, int, const char *); +void as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; +void sprint_value (char *, addressT); +int had_errors (void); +int had_warnings (void); +void as_warn_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned); +void as_bad_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned); +void print_version_id (void); +char * app_push (void); +char * atof_ieee (char *, int, LITTLENUM_TYPE *); +char * input_scrub_include_file (char *, char *); +void input_scrub_insert_line (const char *); +void input_scrub_insert_file (char *); +char * input_scrub_new_file (char *); +char * input_scrub_next_buffer (char **bufp); +int do_scrub_chars (int (*get) (char *, int), char *, int); +int gen_to_words (LITTLENUM_TYPE *, int, long); +int had_err (void); +int ignore_input (void); +void cond_finish_check (int); +void cond_exit_macro (int); +int seen_at_least_1_file (void); +void app_pop (char *); +void as_where (char **, unsigned int *); +void bump_line_counters (void); +void do_scrub_begin (int); +void input_scrub_begin (void); +void input_scrub_close (void); +void input_scrub_end (void); +int new_logical_line (char *, int); +void subsegs_begin (void); +void subseg_change (segT, int); +segT subseg_new (const char *, subsegT); +segT subseg_force_new (const char *, subsegT); +void subseg_set (segT, subsegT); +int subseg_text_p (segT); +int seg_not_empty_p (segT); +void start_dependencies (char *); +void register_dependency (char *); +void print_dependencies (void); +segT subseg_get (const char *, int); struct expressionS; struct fix; @@ -598,21 +568,18 @@ typedef struct symbol symbolS; struct relax_type; typedef struct frag fragS; -#ifdef BFD_ASSEMBLER /* literal.c */ -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 *)); +valueT add_to_literal_pool (symbolS *, valueT, segT, int); -int generic_force_reloc PARAMS ((struct fix *)); +int check_eh_frame (struct expressionS *, unsigned int *); +int eh_frame_estimate_size_before_relax (fragS *); +int eh_frame_relax_frag (fragS *); +void eh_frame_convert_frag (fragS *); +int generic_force_reloc (struct fix *); #include "expr.h" /* Before targ-*.h */ -/* this one starts the chain of target dependant headers */ +/* This one starts the chain of target dependant headers. */ #include "targ-env.h" #ifdef OBJ_MAYBE_ELF @@ -642,14 +609,19 @@ int generic_force_reloc PARAMS ((struct fix *)); #ifdef TC_M68K /* True if we are assembling in m68k MRI mode. */ COMMON int flag_m68k_mri; +#define DOLLAR_AMBIGU 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; +COMMON int warn_comment; +COMMON unsigned int found_comment; +COMMON char * found_comment_file; +#endif + +#ifndef DOLLAR_AMBIGU +#define DOLLAR_AMBIGU 0 #endif #ifndef NUMBERS_WITH_SUFFIX