X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fas.h;h=b8d3d74f737614c8d606d55939d439bd1e3aedb3;hb=57d87c09a33acdce280f4c9ae4f55b885a5cee99;hp=9ffc99cda96d04b7fe490a6473d6e5063124f7fa;hpb=c6cb92c5ba6f9001097e4ae97f265ba28ff0d975;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/as.h b/gas/as.h index 9ffc99cda9..b8d3d74f73 100644 --- a/gas/as.h +++ b/gas/as.h @@ -1,77 +1,50 @@ /* as.h - global header file - Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002, 2003 - Free Software Foundation, Inc. + Copyright (C) 1987-2020 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. GAS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) + the Free Software Foundation; either version 3, or (at your option) any later version. - GAS is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + GAS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the 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. */ + 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 */ #ifndef GAS #define GAS 1 /* I think this stuff is largely out of date.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 "". */ -#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 - djm@gnu.ai.mit.edu as well. */ -/* 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 */ - -#ifndef __GNUC__ -# if HAVE_ALLOCA_H -# include -# else -# ifdef _AIX -/* Indented so that pre-ansi C compilers will ignore it, rather than - choke on it. Some versions of AIX require this to be the first - thing in the file. */ - #pragma alloca -# else -# ifndef alloca /* predefined by HP cc +Olibcalls */ -# if !defined (__STDC__) && !defined (__hpux) -extern char *alloca (); -# else -extern void *alloca (); -# endif /* __STDC__, __hpux */ -# endif /* alloca */ -# endif /* _AIX */ -# endif /* HAVE_ALLOCA_H */ -#endif /* __GNUC__ */ +#include "alloca-conf.h" /* Now, tend to the rest of the configuration. */ /* System include files first... */ #include + +#ifdef STRING_WITH_STRINGS +#include +#include +#else #ifdef HAVE_STRING_H #include #else @@ -79,6 +52,8 @@ extern void *alloca (); #include #endif #endif +#endif + #ifdef HAVE_STDLIB_H #include #endif @@ -90,57 +65,65 @@ extern void *alloca (); #include #endif +#ifdef HAVE_ERRNO_H +#include +#endif + +#include + #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. */ #define OPTION_STD_BASE 150 /* The first getopt value for machine-dependent long options. - 190 gives the standard options room to grow. */ -#define OPTION_MD_BASE 190 + 290 gives the standard options room to grow. */ +#define OPTION_MD_BASE 290 #ifdef DEBUG #undef NDEBUG #endif #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) -#define __PRETTY_FUNCTION__ ((char*)0) +#define __PRETTY_FUNCTION__ ((char *) NULL) #endif -#define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) +#define gas_assert(P) ((void) ((P) ? 0 : (abort (), 0))) #undef abort #define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) /* 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)" */ -#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 void *malloc (); +extern void *realloc (); #endif -#ifdef NEED_DECLARATION_ENVIRON -extern char **environ; +#ifdef NEED_DECLARATION_STRSTR +extern char *strstr (); +#endif + +#if !HAVE_DECL_MEMPCPY +void *mempcpy(void *, const void *, size_t); +#endif + +#if !HAVE_DECL_VSNPRINTF +extern int vsnprintf(char *, size_t, const char *, va_list); #endif /* This is needed for VMS. */ @@ -153,14 +136,6 @@ extern char **environ; #define bcopy(src,dest,size) memcpy (dest, src, size) #endif -/* Make Saber happier on obstack.h. */ -#ifdef SABER -#undef __PTR_TO_INT -#define __PTR_TO_INT(P) ((int) (P)) -#undef __INT_TO_PTR -#define __INT_TO_PTR(P) ((char *) (P)) -#endif - #ifndef __LINE__ #define __LINE__ "unknown" #endif /* __LINE__ */ @@ -170,7 +145,7 @@ 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" @@ -203,14 +178,9 @@ 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; @@ -224,12 +194,16 @@ typedef addressT valueT; #endif /* COMMON now defined */ -#ifdef DEBUG +#ifndef ENABLE_CHECKING +#define ENABLE_CHECKING 0 +#endif + +#if ENABLE_CHECKING || defined (DEBUG) #ifndef know -#define know(p) assert(p) /* Verify our assumptions! */ +#define know(p) gas_assert(p) /* Verify our assumptions! */ #endif /* not yet defined */ #else -#define know(p) /* know() checks are no-op.ed */ +#define know(p) do {} while (0) /* know() checks are no-op.ed */ #endif /* input_scrub.c */ @@ -239,49 +213,11 @@ 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 \ && (SEG) != undefined_section \ && (SEG) != reg_section \ && (SEG) != expr_section) -#endif typedef int subsegT; /* What subseg we are accessing now? */ @@ -290,40 +226,23 @@ 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 +#define segment_name(SEG) bfd_section_name (SEG) -#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 - enum _relax_state { + /* Dummy frag used by listing code. */ + rs_dummy = 0, + /* 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 @@ -360,6 +279,16 @@ enum _relax_state 1 variable char: fill character */ rs_space, + /* .nop directive with expression operand that needs to be computed + later. Similar to rs_space, but different. It fills with no-op + instructions. + fr_symbol: operand + 1 constant byte: no-op fill control byte. */ + rs_space_nop, + + /* Similar to rs_fill. It is used to implement .nop directive . */ + rs_fill_nop, + /* A DWARF leb128 value; only ELF uses this. The subtype is 0 for unsigned, 1 for signed. */ rs_leb128, @@ -380,6 +309,22 @@ 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). */ @@ -419,6 +364,9 @@ COMMON int flag_strip_local_absolute; /* True if we should generate a traditional format object file. */ COMMON int flag_traditional_format; +/* Type of compressed debug sections we should generate. */ +COMMON enum compressed_debug_section_type flag_compress_debug; + /* TRUE if .note.GNU-stack section with SEC_CODE should be created */ COMMON int flag_execstack; @@ -426,7 +374,7 @@ COMMON int flag_execstack; COMMON int flag_noexecstack; /* name of emitted object file */ -COMMON char *out_file_name; +COMMON const char *out_file_name; /* name of file defining extensions to the basic instruction set */ COMMON char *insttbl_file_name; @@ -438,6 +386,8 @@ COMMON int need_pass_2; leave lots of padding. */ COMMON int linkrelax; +COMMON int do_not_pad_sections_to_alignment; + /* TRUE if we should produce a listing. */ extern int listing; @@ -461,6 +411,8 @@ enum debug_info_type extern enum debug_info_type debug_type; extern int use_gnu_debug_info_extensions; +COMMON bfd_boolean flag_dwarf_sections; +extern int flag_dwarf_cie_version; /* Maximum level of macro nesting. */ extern int max_macro_nest; @@ -484,20 +436,6 @@ struct _pseudo_type 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 */ @@ -512,25 +450,18 @@ typedef struct _pseudo_type pseudo_typeS; 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, ...) \ + void FCN (const char *file, unsigned int line, const char *format, ...) \ __attribute__ ((__format__ (__printf__, 3, 4))) #else /* __GNUC__ < 2 || defined(VMS) */ #define PRINTF_LIKE(FCN) void FCN (const char *format, ...) -#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \ +#define PRINTF_WHERE_LIKE(FCN) void FCN (const char *file, \ unsigned int line, \ const char *format, ...) #endif /* __GNUC__ < 2 || defined(VMS) */ -#else /* ! USE_STDARG */ - -#define PRINTF_LIKE(FCN) void FCN () -#define PRINTF_WHERE_LIKE(FCN) void FCN () - -#endif /* ! USE_STDARG */ - PRINTF_LIKE (as_bad); PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN; PRINTF_LIKE (as_tsktsk); @@ -538,23 +469,31 @@ PRINTF_LIKE (as_warn); PRINTF_WHERE_LIKE (as_bad_where); PRINTF_WHERE_LIKE (as_warn_where); -void as_assert (const char *, int, const char *); void as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; -void fprint_value (FILE *, addressT); +void signal_init (void); 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 as_warn_value_out_of_range (const char *, offsetT, offsetT, offsetT, + const char *, unsigned); +void as_bad_value_out_of_range (const char *, offsetT, offsetT, offsetT, + const char *, unsigned); void print_version_id (void); char * app_push (void); + +/* Number of littlenums required to hold an extended precision number. */ +#define MAX_LITTLENUMS 6 + char * atof_ieee (char *, int, LITTLENUM_TYPE *); -char * input_scrub_include_file (char *, char *); +char * atof_ieee_detail (char *, int, int, LITTLENUM_TYPE *, FLONUM_TYPE *); +const char * ieee_md_atof (int, char *, int *, bfd_boolean); +const char * vax_md_atof (int, char *, int *); +char * input_scrub_include_file (const char *, char *); void input_scrub_insert_line (const char *); void input_scrub_insert_file (char *); -char * input_scrub_new_file (char *); +char * input_scrub_new_file (const char *); char * input_scrub_next_buffer (char **bufp); -int do_scrub_chars (int (*get) (char *, int), char *, int); +size_t do_scrub_chars (size_t (*get) (char *, size_t), char *, size_t); int gen_to_words (LITTLENUM_TYPE *, int, long); int had_err (void); int ignore_input (void); @@ -562,39 +501,45 @@ void cond_finish_check (int); void cond_exit_macro (int); int seen_at_least_1_file (void); void app_pop (char *); -void as_howmuch (FILE *); -void as_perror (const char *, const char *); -void as_where (char **, unsigned int *); +const char * as_where (unsigned int *); +const char * as_where_physical (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); +int new_logical_line (const char *, int); +int new_logical_line_flags (const char *, int, 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); -bfd_boolean seg_not_empty_p (segT); +int seg_not_empty_p (segT); void start_dependencies (char *); -void register_dependency (char *); +void register_dependency (const char *); void print_dependencies (void); -#ifdef BFD_ASSEMBLER segT subseg_get (const char *, int); -#endif + +const char *remap_debug_filename (const char *); +void add_debug_prefix_map (const char *); + +static inline char * +xmemdup0 (const char *in, size_t len) +{ + char *out = (char *) xmalloc (len + 1); + out[len] = 0; + return (char *) memcpy (out, in, len); +} struct expressionS; struct fix; typedef struct symbol symbolS; -struct relax_type; typedef struct frag fragS; -#ifdef BFD_ASSEMBLER /* literal.c */ valueT add_to_literal_pool (symbolS *, valueT, segT, int); -#endif int check_eh_frame (struct expressionS *, unsigned int *); int eh_frame_estimate_size_before_relax (fragS *); @@ -604,7 +549,7 @@ 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 dependent headers. */ #include "targ-env.h" #ifdef OBJ_MAYBE_ELF @@ -631,17 +576,45 @@ int generic_force_reloc (struct fix *); #endif #include "listing.h" +#ifdef H_TICK_HEX +extern int enable_h_tick_hex; +#endif + #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 +#ifndef TC_STRING_ESCAPES +#define TC_STRING_ESCAPES 1 +#endif + #ifdef WARN_COMMENTS COMMON int warn_comment; COMMON unsigned int found_comment; -COMMON char * found_comment_file; +COMMON const char * found_comment_file; +#endif + +#if defined OBJ_ELF || defined OBJ_MAYBE_ELF +/* If .size directive failure should be error or warning. */ +COMMON int flag_allow_nonconst_size; + +/* If we should generate ELF common symbols with the STT_COMMON type. */ +extern int flag_use_elf_stt_common; + +/* TRUE iff GNU Build attribute notes should + be generated if none are in the input files. */ +extern bfd_boolean flag_generate_build_notes; + +/* If section name substitution sequences should be honored */ +COMMON int flag_sectname_subst; +#endif + +#ifndef DOLLAR_AMBIGU +#define DOLLAR_AMBIGU 0 #endif #ifndef NUMBERS_WITH_SUFFIX @@ -680,4 +653,11 @@ COMMON char * found_comment_file; #error "Octets per byte conflicts with its power-of-two definition!" #endif +#if defined OBJ_ELF || defined OBJ_MAYBE_ELF +/* On ELF platforms, mark debug sections with SEC_ELF_OCTETS */ +#define SEC_OCTETS (IS_ELF ? SEC_ELF_OCTETS : 0) +#else +#define SEC_OCTETS 0 +#endif + #endif /* GAS */