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author | Jing Yu <jingyu@google.com> | 2009-11-05 16:55:30 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 16:55:30 -0800 |
commit | 2cafa61b4b039e5ac3b876fc44a05c61d66df4d4 (patch) | |
tree | 1caaaacd28e00e283dbacd6726db52cbf2d5d909 /binutils-2.19/gas/as.h | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_binutils-2cafa61b4b039e5ac3b876fc44a05c61d66df4d4.tar.gz toolchain_binutils-2cafa61b4b039e5ac3b876fc44a05c61d66df4d4.tar.bz2 toolchain_binutils-2cafa61b4b039e5ac3b876fc44a05c61d66df4d4.zip |
check in binutils sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'binutils-2.19/gas/as.h')
-rw-r--r-- | binutils-2.19/gas/as.h | 676 |
1 files changed, 676 insertions, 0 deletions
diff --git a/binutils-2.19/gas/as.h b/binutils-2.19/gas/as.h new file mode 100644 index 00000000..329a3a12 --- /dev/null +++ b/binutils-2.19/gas/as.h @@ -0,0 +1,676 @@ +/* as.h - global header file + Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 + 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 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. + + 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, 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 */ + +#ifndef GAS +#define GAS 1 +/* I think this stuff is largely out of date.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" + +/* 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__ */ + +/* 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... */ +#include <stdio.h> +#ifdef HAVE_STRING_H +#include <string.h> +#else +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifdef HAVE_SYS_TYPES_H +/* for size_t, pid_t */ +#include <sys/types.h> +#endif + +#ifdef HAVE_ERRNO_H +#include <errno.h> +#endif + +#ifdef USE_STDARG +#include <stdarg.h> +#endif + +#ifdef USE_VARARGS +#include <varargs.h> +#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. */ +#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 + +#ifdef DEBUG +#undef NDEBUG +#endif +#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) +#define __PRETTY_FUNCTION__ ((char*)0) +#endif +#define assert(P) \ + ((void) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))) +#undef abort +#define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) + +/* Now GNU header files... */ +#include "ansidecl.h" +#include "bfd.h" +#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_ENVIRON +extern char **environ; +#endif +#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_MALLOC +extern void *malloc (); +extern void *realloc (); +#endif +#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. */ +#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE) +#define unlink remove +#endif + +/* 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. */ +#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__ */ + +#ifndef __FILE__ +#define __FILE__ "unknown" +#endif /* __FILE__ */ + +#ifndef FOPEN_WB +#ifdef USE_BINARY_FOPEN +#include "fopen-bin.h" +#else +#include "fopen-same.h" +#endif +#endif + +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#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"), \ + (long) val, __LINE__, __FILE__); \ + } + +#include "flonum.h" + +/* These are assembler-wide concepts */ + +extern bfd *stdoutput; +typedef bfd_vma addressT; +typedef bfd_signed_vma offsetT; + +/* Type of symbol value, etc. For use in prototypes. */ +typedef addressT valueT; + +#ifndef COMMON +#ifdef TEST +#define COMMON /* Declare our COMMONs storage here. */ +#else +#define COMMON extern /* Our commons live elsewhere. */ +#endif +#endif +/* COMMON now defined */ + +#ifndef ENABLE_CHECKING +#define ENABLE_CHECKING 0 +#endif + +#if ENABLE_CHECKING || defined (DEBUG) +#ifndef know +#define know(p) assert(p) /* Verify our assumptions! */ +#endif /* not yet defined */ +#else +#define know(p) /* know() checks are no-op.ed */ +#endif + +/* input_scrub.c */ + +/* Supplies sanitised buffers to read.c. + Also understands printing line-number part of error messages. */ + +/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/ + +typedef asection *segT; +#define SEG_NORMAL(SEG) ( (SEG) != absolute_section \ + && (SEG) != undefined_section \ + && (SEG) != reg_section \ + && (SEG) != expr_section) +typedef int subsegT; + +/* What subseg we are accessing now? */ +COMMON subsegT now_subseg; + +/* Segment our instructions emit to. */ +COMMON segT now_seg; + +#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG) + +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 + +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, + + /* 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, + + /* Test for alignment. Like rs_align, but used by several targets + to warn if data is not properly aligned. */ + rs_align_test, + + /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill + character. */ + rs_org, + +#ifndef WORKING_DOT_WORD + /* JF: gunpoint */ + rs_broken_word, +#endif + + /* Machine specific relaxable (or similarly alterable) instruction. */ + rs_machine_dependent, + + /* .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 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, + + /* Cross-fragment dwarf2 line number optimization. */ + rs_dwarf2dbg +}; + +typedef enum _relax_state relax_stateT; + +/* 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; + +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). */ + +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 int flag_keep_locals; /* -L */ + +/* True if we are assembling in MRI mode. */ +COMMON int flag_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 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; + +/* 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; + +/* 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; + +/* TRUE if we should do no relaxing, and + leave lots of padding. */ +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. + + NOTE! This means debug information about the assembly source code itself + and _not_ about possible debug information from a high-level language. + This is especially relevant to DWARF2, since the compiler may emit line + number directives that the assembler resolves. */ + +enum debug_info_type +{ + DEBUG_UNSPECIFIED, + DEBUG_NONE, + DEBUG_STABS, + DEBUG_ECOFF, + DEBUG_DWARF, + DEBUG_DWARF2 +}; + +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 +{ + /* assembler mnemonic, lower case, no '.' */ + const char *poc_name; + /* Do the work */ + void (*poc_handler) (int); + /* Value to pass to handler */ + int poc_val; +}; + +typedef struct _pseudo_type pseudo_typeS; + +#ifdef USE_STDARG +#if (__GNUC__ >= 2) && !defined(VMS) +/* for use with -Wformat */ + +#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 (const char *format, ...) +#define PRINTF_WHERE_LIKE(FCN) void FCN (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_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 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 * ieee_md_atof (int, char *, int *, bfd_boolean); +char * vax_md_atof (int, char *, int *); +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); +int new_logical_line_flags (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); +int seg_not_empty_p (segT); +void start_dependencies (char *); +void register_dependency (char *); +void print_dependencies (void); +segT subseg_get (const char *, int); + +const char *remap_debug_filename (const char *); +void add_debug_prefix_map (const char *); + +struct expressionS; +struct fix; +typedef struct symbol symbolS; +typedef struct frag fragS; + +/* literal.c */ +valueT add_to_literal_pool (symbolS *, valueT, segT, int); + +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. */ +#include "targ-env.h" + +#ifdef OBJ_MAYBE_ELF +#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour) +#else +#ifdef OBJ_ELF +#define IS_ELF 1 +#else +#define IS_ELF 0 +#endif +#endif + +#include "write.h" +#include "frags.h" +#include "hash.h" +#include "read.h" +#include "symbols.h" + +#include "tc.h" +#include "obj.h" + +#ifdef USE_EMULATIONS +#include "emul.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 + +#ifdef WARN_COMMENTS +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 +#define NUMBERS_WITH_SUFFIX 0 +#endif + +#ifndef LOCAL_LABELS_DOLLAR +#define LOCAL_LABELS_DOLLAR 0 +#endif + +#ifndef LOCAL_LABELS_FB +#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<<OCTETS_PER_BYTE_POWER) +#endif +#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER) + #error "Octets per byte conflicts with its power-of-two definition!" +#endif + +#endif /* GAS */ |