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author | Sehong Na <sehong.na@samsung.com> | 2014-05-31 12:54:07 +0900 |
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committer | Sehong Na <sehong.na@samsung.com> | 2014-05-31 12:54:07 +0900 |
commit | 125ba4f9bd2352465139044bca2ecde421f2c0f2 (patch) | |
tree | 56fb917ad7c5607cbc05b418ca95a3b2242116a4 /nasmlib.h | |
download | nasm-125ba4f9bd2352465139044bca2ecde421f2c0f2.tar.gz nasm-125ba4f9bd2352465139044bca2ecde421f2c0f2.tar.bz2 nasm-125ba4f9bd2352465139044bca2ecde421f2c0f2.zip |
Initialize Tizen 2.3submit/tizen_2.3/20140531.1014372.3a_release
Diffstat (limited to 'nasmlib.h')
-rw-r--r-- | nasmlib.h | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/nasmlib.h b/nasmlib.h new file mode 100644 index 0000000..372095c --- /dev/null +++ b/nasmlib.h @@ -0,0 +1,446 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 1996-2009 The NASM Authors - All Rights Reserved + * See the file AUTHORS included with the NASM distribution for + * the specific copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following + * conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * ----------------------------------------------------------------------- */ + +/* + * nasmlib.h header file for nasmlib.c + */ + +#ifndef NASM_NASMLIB_H +#define NASM_NASMLIB_H + +#include "compiler.h" + +#include <inttypes.h> +#include <stdio.h> +#include <string.h> +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif + +/* + * tolower table -- avoids a function call on some platforms. + * NOTE: unlike the tolower() function in ctype, EOF is *NOT* + * a permitted value, for obvious reasons. + */ +void tolower_init(void); +extern unsigned char nasm_tolower_tab[256]; +#define nasm_tolower(x) nasm_tolower_tab[(unsigned char)(x)] + +/* Wrappers around <ctype.h> functions */ +/* These are only valid for values that cannot include EOF */ +#define nasm_isspace(x) isspace((unsigned char)(x)) +#define nasm_isalpha(x) isalpha((unsigned char)(x)) +#define nasm_isdigit(x) isdigit((unsigned char)(x)) +#define nasm_isalnum(x) isalnum((unsigned char)(x)) +#define nasm_isxdigit(x) isxdigit((unsigned char)(x)) + +/* + * If this is defined, the wrappers around malloc et al will + * transform into logging variants, which will cause NASM to create + * a file called `malloc.log' when run, and spew details of all its + * memory management into that. That can then be analysed to detect + * memory leaks and potentially other problems too. + */ +/* #define LOGALLOC */ + +/* + * ------------------------- + * Error reporting functions + * ------------------------- + */ + +/* + * An error reporting function should look like this. + */ +typedef void (*efunc) (int severity, const char *fmt, ...); +typedef void (*vefunc) (int severity, const char *fmt, va_list ap); +#ifdef __GNUC__ +void nasm_error(int severity, const char *fmt, ...) __attribute__((format(printf, 2, 3))); +#else +void nasm_error(int severity, const char *fmt, ...); +#endif +void nasm_set_verror(vefunc); + +/* + * These are the error severity codes which get passed as the first + * argument to an efunc. + */ + +#define ERR_DEBUG 0x00000008 /* put out debugging message */ +#define ERR_WARNING 0x00000000 /* warn only: no further action */ +#define ERR_NONFATAL 0x00000001 /* terminate assembly after phase */ +#define ERR_FATAL 0x00000002 /* instantly fatal: exit with error */ +#define ERR_PANIC 0x00000003 /* internal error: panic instantly + * and dump core for reference */ +#define ERR_MASK 0x0000000F /* mask off the above codes */ +#define ERR_NOFILE 0x00000010 /* don't give source file name/line */ +#define ERR_USAGE 0x00000020 /* print a usage message */ +#define ERR_PASS1 0x00000040 /* only print this error on pass one */ +#define ERR_PASS2 0x00000080 +#define ERR_NO_SEVERITY 0x00000100 /* suppress printing severity */ + +/* + * These codes define specific types of suppressible warning. + */ + +#define ERR_WARN_MASK 0xFFFFF000 /* the mask for this feature */ +#define ERR_WARN_SHR 12 /* how far to shift right */ + +#define WARN(x) ((x) << ERR_WARN_SHR) + +#define ERR_WARN_MNP WARN( 1) /* macro-num-parameters warning */ +#define ERR_WARN_MSR WARN( 2) /* macro self-reference */ +#define ERR_WARN_MDP WARN( 3) /* macro default parameters check */ +#define ERR_WARN_OL WARN( 4) /* orphan label (no colon, and + * alone on line) */ +#define ERR_WARN_NOV WARN( 5) /* numeric overflow */ +#define ERR_WARN_GNUELF WARN( 6) /* using GNU ELF extensions */ +#define ERR_WARN_FL_OVERFLOW WARN( 7) /* FP overflow */ +#define ERR_WARN_FL_DENORM WARN( 8) /* FP denormal */ +#define ERR_WARN_FL_UNDERFLOW WARN( 9) /* FP underflow */ +#define ERR_WARN_FL_TOOLONG WARN(10) /* FP too many digits */ +#define ERR_WARN_USER WARN(11) /* %warning directives */ +#define ERR_WARN_MAX 11 /* the highest numbered one */ + +/* + * Wrappers around malloc, realloc and free. nasm_malloc will + * fatal-error and die rather than return NULL; nasm_realloc will + * do likewise, and will also guarantee to work right on being + * passed a NULL pointer; nasm_free will do nothing if it is passed + * a NULL pointer. + */ +void nasm_init_malloc_error(void); +#ifndef LOGALLOC +void *nasm_malloc(size_t); +void *nasm_zalloc(size_t); +void *nasm_realloc(void *, size_t); +void nasm_free(void *); +char *nasm_strdup(const char *); +char *nasm_strndup(const char *, size_t); +#else +void *nasm_malloc_log(const char *, int, size_t); +void *nasm_zalloc_log(const char *, int, size_t); +void *nasm_realloc_log(const char *, int, void *, size_t); +void nasm_free_log(const char *, int, void *); +char *nasm_strdup_log(const char *, int, const char *); +char *nasm_strndup_log(const char *, int, const char *, size_t); +#define nasm_malloc(x) nasm_malloc_log(__FILE__,__LINE__,x) +#define nasm_zalloc(x) nasm_zalloc_log(__FILE__,__LINE__,x) +#define nasm_realloc(x,y) nasm_realloc_log(__FILE__,__LINE__,x,y) +#define nasm_free(x) nasm_free_log(__FILE__,__LINE__,x) +#define nasm_strdup(x) nasm_strdup_log(__FILE__,__LINE__,x) +#define nasm_strndup(x,y) nasm_strndup_log(__FILE__,__LINE__,x,y) +#endif + +/* + * NASM assert failure + */ +no_return nasm_assert_failed(const char *, int, const char *); +#define nasm_assert(x) \ + do { \ + if (unlikely(!(x))) \ + nasm_assert_failed(__FILE__,__LINE__,#x); \ + } while (0) + +/* + * NASM failure at build time if x != 0 + */ +#define nasm_build_assert(x) (void)(sizeof(char[1-2*!!(x)])) + +/* + * ANSI doesn't guarantee the presence of `stricmp' or + * `strcasecmp'. + */ +#if defined(HAVE_STRCASECMP) +#define nasm_stricmp strcasecmp +#elif defined(HAVE_STRICMP) +#define nasm_stricmp stricmp +#else +int nasm_stricmp(const char *, const char *); +#endif + +#if defined(HAVE_STRNCASECMP) +#define nasm_strnicmp strncasecmp +#elif defined(HAVE_STRNICMP) +#define nasm_strnicmp strnicmp +#else +int nasm_strnicmp(const char *, const char *, size_t); +#endif + +int nasm_memicmp(const char *, const char *, size_t); + +#if defined(HAVE_STRSEP) +#define nasm_strsep strsep +#else +char *nasm_strsep(char **stringp, const char *delim); +#endif + + +/* + * Convert a string into a number, using NASM number rules. Sets + * `*error' to true if an error occurs, and false otherwise. + */ +int64_t readnum(char *str, bool *error); + +/* + * Convert a character constant into a number. Sets + * `*warn' to true if an overflow occurs, and false otherwise. + * str points to and length covers the middle of the string, + * without the quotes. + */ +int64_t readstrnum(char *str, int length, bool *warn); + +/* + * seg_init: Initialise the segment-number allocator. + * seg_alloc: allocate a hitherto unused segment number. + */ +void seg_init(void); +int32_t seg_alloc(void); + +/* + * many output formats will be able to make use of this: a standard + * function to add an extension to the name of the input file + */ +void standard_extension(char *inname, char *outname, char *extension); + +/* + * Utility macros... + * + * This is a useful #define which I keep meaning to use more often: + * the number of elements of a statically defined array. + */ + +#define elements(x) ( sizeof(x) / sizeof(*(x)) ) + +/* + * List handling + * + * list_for_each - regular iterator over list + * list_for_each_safe - the same but safe against list items removal + */ +#define list_for_each(pos, head) \ + for (pos = head; pos; pos = pos->next) +#define list_for_each_safe(pos, n, head) \ + for (pos = head, n = (pos ? pos->next : NULL); pos; \ + pos = n, n = (n ? n->next : NULL)) + +/* + * some handy macros that will probably be of use in more than one + * output format: convert integers into little-endian byte packed + * format in memory + */ + +#if X86_MEMORY + +#define WRITECHAR(p,v) \ + do { \ + *(uint8_t *)(p) = (v); \ + (p) += 1; \ + } while (0) + +#define WRITESHORT(p,v) \ + do { \ + *(uint16_t *)(p) = (v); \ + (p) += 2; \ + } while (0) + +#define WRITELONG(p,v) \ + do { \ + *(uint32_t *)(p) = (v); \ + (p) += 4; \ + } while (0) + +#define WRITEDLONG(p,v) \ + do { \ + *(uint64_t *)(p) = (v); \ + (p) += 8; \ + } while (0) + +#define WRITEADDR(p,v,s) \ + do { \ + uint64_t _wa_v = (v); \ + memcpy((p), &_wa_v, (s)); \ + (p) += (s); \ + } while (0) + +#else /* !X86_MEMORY */ + +#define WRITECHAR(p,v) \ + do { \ + uint8_t *_wc_p = (uint8_t *)(p); \ + uint8_t _wc_v = (v); \ + _wc_p[0] = _wc_v; \ + (p) = (void *)(_wc_p + 1); \ + } while (0) + +#define WRITESHORT(p,v) \ + do { \ + uint8_t *_ws_p = (uint8_t *)(p); \ + uint16_t _ws_v = (v); \ + _ws_p[0] = _ws_v; \ + _ws_p[1] = _ws_v >> 8; \ + (p) = (void *)(_ws_p + 2); \ + } while (0) + +#define WRITELONG(p,v) \ + do { \ + uint8_t *_wl_p = (uint8_t *)(p); \ + uint32_t _wl_v = (v); \ + _wl_p[0] = _wl_v; \ + _wl_p[1] = _wl_v >> 8; \ + _wl_p[2] = _wl_v >> 16; \ + _wl_p[3] = _wl_v >> 24; \ + (p) = (void *)(_wl_p + 4); \ + } while (0) + +#define WRITEDLONG(p,v) \ + do { \ + uint8_t *_wq_p = (uint8_t *)(p); \ + uint64_t _wq_v = (v); \ + _wq_p[0] = _wq_v; \ + _wq_p[1] = _wq_v >> 8; \ + _wq_p[2] = _wq_v >> 16; \ + _wq_p[3] = _wq_v >> 24; \ + _wq_p[4] = _wq_v >> 32; \ + _wq_p[5] = _wq_v >> 40; \ + _wq_p[6] = _wq_v >> 48; \ + _wq_p[7] = _wq_v >> 56; \ + (p) = (void *)(_wq_p + 8); \ + } while (0) + +#define WRITEADDR(p,v,s) \ + do { \ + int _wa_s = (s); \ + uint64_t _wa_v = (v); \ + while (_wa_s--) { \ + WRITECHAR(p,_wa_v); \ + _wa_v >>= 8; \ + } \ + } while(0) + +#endif + +/* + * and routines to do the same thing to a file + */ +#define fwriteint8_t(d,f) putc(d,f) +void fwriteint16_t(uint16_t data, FILE * fp); +void fwriteint32_t(uint32_t data, FILE * fp); +void fwriteint64_t(uint64_t data, FILE * fp); +void fwriteaddr(uint64_t data, int size, FILE * fp); + +/* + * Binary search routine. Returns index into `array' of an entry + * matching `string', or <0 if no match. `array' is taken to + * contain `size' elements. + * + * bsi() is case sensitive, bsii() is case insensitive. + */ +int bsi(const char *string, const char **array, int size); +int bsii(const char *string, const char **array, int size); + +char *src_set_fname(char *newname); +int32_t src_set_linnum(int32_t newline); +int32_t src_get_linnum(void); +/* + * src_get may be used if you simply want to know the source file and line. + * It is also used if you maintain private status about the source location + * It return 0 if the information was the same as the last time you + * checked, -1 if the name changed and (new-old) if just the line changed. + */ +int src_get(int32_t *xline, char **xname); + +char *nasm_strcat(const char *one, const char *two); + +char *nasm_skip_spaces(const char *p); +char *nasm_skip_word(const char *p); +char *nasm_zap_spaces_fwd(char *p); +char *nasm_zap_spaces_rev(char *p); + +const char *prefix_name(int); + +#define ZERO_BUF_SIZE 4096 +extern const uint8_t zero_buffer[ZERO_BUF_SIZE]; +size_t fwritezero(size_t bytes, FILE *fp); + +static inline bool overflow_general(int64_t value, int bytes) +{ + int sbit; + int64_t vmax, vmin; + + if (bytes >= 8) + return false; + + sbit = (bytes << 3) - 1; + vmax = ((int64_t)2 << sbit) - 1; + vmin = -((int64_t)1 << sbit); + + return value < vmin || value > vmax; +} + +static inline bool overflow_signed(int64_t value, int bytes) +{ + int sbit; + int64_t vmax, vmin; + + if (bytes >= 8) + return false; + + sbit = (bytes << 3) - 1; + vmax = ((int64_t)1 << sbit) - 1; + vmin = -((int64_t)1 << sbit); + + return value < vmin || value > vmax; +} + +static inline bool overflow_unsigned(int64_t value, int bytes) +{ + int sbit; + int64_t vmax, vmin; + + if (bytes >= 8) + return false; + + sbit = (bytes << 3) - 1; + vmax = ((int64_t)2 << sbit) - 1; + vmin = 0; + + return value < vmin || value > vmax; +} + +int idata_bytes(int opcode); + +/* check if value is power of 2 */ +#define is_power2(v) ((v) && ((v) & ((v) - 1)) == 0) + +#endif |