/* 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) 1987-2021 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/* I think this stuff is largely out of date.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 <alloca.h>
-# 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 <stdio.h>
+
+#ifdef STRING_WITH_STRINGS
+#include <string.h>
+#include <strings.h>
+#else
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#endif
+#endif
+
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <sys/types.h>
#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <stdarg.h>
+
#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. */
#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__ */
#endif /* __FILE__ */
#ifndef FOPEN_WB
-#if defined GO32 || defined __MINGW32__
+#ifdef USE_BINARY_FOPEN
#include "fopen-bin.h"
#else
#include "fopen-same.h"
/* 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;
#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
\f
/* input_scrub.c */
\f
/* 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? */
/* 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
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,
/* 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;
\f
/* main program "as.c" (command arguments etc). */
/* 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;
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;
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;
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;
+extern unsigned int dwarf_level;
\f
/* Maximum level of macro nesting. */
extern int max_macro_nest;
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 */
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);
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);
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);
int subseg_text_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 *);
#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
#include "write.h"
#include "frags.h"
+#include "hashtab.h"
#include "hash.h"
#include "read.h"
#include "symbols.h"
#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
#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 */
projects / thirdparty / binutils-gdb.git / blobdiff