Tizen 2.0 Releasesubmit/tizen_2.0/20130215.192148accepted/tizen_2.0/20130215.204938tizen_2.0

1 files changed, 446 insertions, 0 deletions

diff --git a/nasmlib.h b/nasmlib.h
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+/* ----------------------------------------------------------------------- *
+ *
+ *   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