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authorpolwex <polwex@sortug.com>2025-10-05 21:56:51 +0700
committerpolwex <polwex@sortug.com>2025-10-05 21:56:51 +0700
commitfcedfddf00b3f994e4f4e40332ac7fc192c63244 (patch)
tree51d38e62c7bdfcc5f9a5e9435fe820c93cfc9a3d /vere/ext/nasm/include/compiler.h
claude is gud
Diffstat (limited to 'vere/ext/nasm/include/compiler.h')
-rw-r--r--vere/ext/nasm/include/compiler.h415
1 files changed, 415 insertions, 0 deletions
diff --git a/vere/ext/nasm/include/compiler.h b/vere/ext/nasm/include/compiler.h
new file mode 100644
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+++ b/vere/ext/nasm/include/compiler.h
@@ -0,0 +1,415 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2007-2020 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.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * compiler.h
+ *
+ * Compiler-specific macros for NASM. Feel free to add support for
+ * other compilers in here.
+ *
+ * This header file should be included before any other header.
+ */
+
+#ifndef NASM_COMPILER_H
+#define NASM_COMPILER_H 1
+
+/*
+ * At least DJGPP and Cygwin have broken header files if __STRICT_ANSI__
+ * is defined.
+ */
+#ifdef __GNUC__
+# undef __STRICT_ANSI__
+#endif
+
+/* On Microsoft platforms we support multibyte character sets in filenames */
+#define _MBCS 1
+
+#ifdef HAVE_CONFIG_H
+# include "config/config.h"
+#else
+# if defined(_MSC_VER) && (_MSC_VER >= 1310)
+# include "config/msvc.h"
+# elif defined(__WATCOMC__)
+# include "config/watcom.h"
+# else
+# include "config/unknown.h"
+# endif
+/* This unconditionally defines some macros we really want */
+# include "config/unconfig.h"
+#endif /* Configuration file */
+
+/* This is required to get the standard <inttypes.h> macros when compiling
+ with a C++ compiler. This must be defined *before* <inttypes.h> is
+ included, directly or indirectly. */
+#define __STDC_CONSTANT_MACROS 1
+#define __STDC_LIMIT_MACROS 1
+#define __STDC_FORMAT_MACROS 1
+
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#else
+# include "nasmint.h"
+#endif
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_ENDIAN_H
+# include <endian.h>
+#elif defined(HAVE_SYS_ENDIAN_H)
+# include <sys/endian.h>
+#elif defined(HAVE_MACHINE_ENDIAN_H)
+# include <machine/endian.h>
+#endif
+
+/*
+ * If we have BYTE_ORDER defined, or the compiler provides
+ * __BIG_ENDIAN__ or __LITTLE_ENDIAN__, trust it over what autoconf
+ * came up with, especially since autoconf obviously can't figure
+ * things out for a universal compiler.
+ */
+#if defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
+# undef WORDS_LITTLEENDIAN
+# undef WORDS_BIGENDIAN
+# define WORDS_BIGENDIAN 1
+#elif defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
+# undef WORDS_LITTLEENDIAN
+# undef WORDS_BIGENDIAN
+# define WORDS_LITTLEENDIAN 1
+#elif defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
+# undef WORDS_LITTLEENDIAN
+# undef WORDS_BIGENDIAN
+# if BYTE_ORDER == LITTLE_ENDIAN
+# define WORDS_LITTLEENDIAN 1
+# elif BYTE_ORDER == BIG_ENDIAN
+# define WORDS_BIGENDIAN 1
+# endif
+#endif
+
+/*
+ * Define this to 1 for faster performance if this is a littleendian
+ * platform *and* it can do arbitrary unaligned memory references. It
+ * is safe to leave it defined to 0 even if that is true.
+ */
+#if defined(__386__) || defined(__i386__) || defined(__x86_64__) \
+ || defined(_M_IX86) || defined(_M_X64)
+# define X86_MEMORY 1
+# undef WORDS_BIGENDIAN
+# undef WORDS_LITTLEENDIAN
+# define WORDS_LITTLEENDIAN 1
+#else
+# define X86_MEMORY 0
+#endif
+
+/* Some versions of MSVC have these only with underscores in front */
+#ifndef HAVE_SNPRINTF
+# ifdef HAVE__SNPRINTF
+# define snprintf _snprintf
+# else
+int snprintf(char *, size_t, const char *, ...);
+# endif
+#endif
+
+#ifndef HAVE_VSNPRINTF
+# ifdef HAVE__VSNPRINTF
+# define vsnprintf _vsnprintf
+# else
+int vsnprintf(char *, size_t, const char *, va_list);
+# endif
+#endif
+
+#if !defined(HAVE_STRLCPY) || !HAVE_DECL_STRLCPY
+size_t strlcpy(char *, const char *, size_t);
+#endif
+
+#if !defined(HAVE_STRCHRNUL) || !HAVE_DECL_STRCHRNUL
+char *strrchrnul(const char *, int);
+#endif
+
+#ifndef __cplusplus /* C++ has false, true, bool as keywords */
+# ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+# elif defined(HAVE__BOOL)
+ typedef _Bool bool;
+# define false 0
+# define true 1
+# else
+/* This is sort of dangerous, since casts will behave different than
+ casting to the standard boolean type. Always use !!, not (bool). */
+typedef enum bool { false, true } bool;
+# endif
+#endif
+
+/* Create a NULL pointer of the same type as the address of
+ the argument, without actually evaluating said argument. */
+#define nullas(p) (0 ? &(p) : NULL)
+
+/* Convert an offsetted NULL pointer dereference to a size_t offset.
+ Technically non-portable as taking the offset from a NULL pointer
+ is undefined behavior, but... */
+#define null_offset(p) ((size_t)((const char *)&(p) - (const char *)NULL))
+
+/* Provide a substitute for offsetof() if we don't have one. This
+ variant works on most (but not *all*) systems... */
+#ifndef offsetof
+# define offsetof(t,m) null_offset(((t *)NULL)->m)
+#endif
+
+/* If typeof is defined as a macro, assume we have typeof even if
+ HAVE_TYPEOF is not declared (e.g. due to not using autoconf.) */
+#ifdef typeof
+# define HAVE_TYPEOF 1
+#endif
+
+/* This is like offsetof(), but takes an object rather than a type. */
+#ifndef offsetin
+# ifdef HAVE_TYPEOF
+# define offsetin(p,m) offsetof(typeof(p),m)
+# else
+# define offsetin(p,m) null_offset(nullas(p)->m)
+# endif
+#endif
+
+/* The container_of construct: if p is a pointer to member m of
+ container class c, then return a pointer to the container of which
+ *p is a member. */
+#ifndef container_of
+# define container_of(p, c, m) ((c *)((char *)(p) - offsetof(c,m)))
+#endif
+
+/* Some misguided platforms hide the defs for these */
+#if defined(HAVE_STRCASECMP) && !HAVE_DECL_STRCASECMP
+int strcasecmp(const char *, const char *);
+#endif
+
+#if defined(HAVE_STRICMP) && !HAVE_DECL_STRICMP
+int stricmp(const char *, const char *);
+#endif
+
+#if defined(HAVE_STRNCASECMP) && !HAVE_DECL_STRNCASECMP
+int strncasecmp(const char *, const char *, size_t);
+#endif
+
+#if defined(HAVE_STRNICMP) && !HAVE_DECL_STRNICMP
+int strnicmp(const char *, const char *, size_t);
+#endif
+
+#if defined(HAVE_STRSEP) && !HAVE_DECL_STRSEP
+char *strsep(char **, const char *);
+#endif
+
+#if !HAVE_DECL_STRNLEN
+size_t strnlen(const char *s, size_t maxlen);
+#endif
+
+#ifndef HAVE_MEMPCPY
+static inline void *mempcpy(void *dst, const void *src, size_t n)
+{
+ return (char *)memcpy(dst, src, n) + n;
+}
+#endif
+
+#ifndef HAVE_MEMPSET
+static inline void *mempset(void *dst, int c, size_t n)
+{
+ return (char *)memset(dst, c, n) + n;
+}
+#endif
+
+/*
+ * Hack to support external-linkage inline functions
+ */
+#ifndef HAVE_STDC_INLINE
+# ifdef __GNUC__
+# ifdef __GNUC_STDC_INLINE__
+# define HAVE_STDC_INLINE
+# else
+# define HAVE_GNU_INLINE
+# endif
+# elif defined(__GNUC_GNU_INLINE__)
+/* Some other compiler implementing only GNU inline semantics? */
+# define HAVE_GNU_INLINE
+# elif defined(__STDC_VERSION__)
+# if __STDC_VERSION__ >= 199901L
+# define HAVE_STDC_INLINE
+# endif
+# endif
+#endif
+
+#ifdef HAVE_STDC_INLINE
+# define extern_inline inline
+#elif defined(HAVE_GNU_INLINE)
+# define extern_inline extern inline
+# define inline_prototypes
+#else
+# define inline_prototypes
+#endif
+
+/*
+ * Hints to the compiler that a particular branch of code is more or
+ * less likely to be taken.
+ */
+#if HAVE___BUILTIN_EXPECT
+# define likely(x) __builtin_expect(!!(x), 1)
+# define unlikely(x) __builtin_expect(!!(x), 0)
+#else
+# define likely(x) (!!(x))
+# define unlikely(x) (!!(x))
+#endif
+
+#define safe_alloc never_null malloc_func
+#define safe_alloc_ptr never_null_ptr malloc_func_ptr
+
+#define safe_malloc(s) safe_alloc alloc_size_func1(s)
+#define safe_malloc2(s1,s2) safe_alloc alloc_size_func2(s1,s2)
+#define safe_realloc(s) never_null alloc_size_func1(s)
+#define safe_malloc_ptr(s) safe_alloc_ptr alloc_size_func1_ptr(s)
+#define safe_malloc2_ptr(s1,s2) safe_alloc_ptr alloc_size_func2_ptr(s1,s2)
+#define safe_realloc_ptr(s) never_null_ptr alloc_size_func1_ptr(s)
+
+/*
+ * How to tell the compiler that a function doesn't return
+ */
+#ifdef HAVE_STDNORETURN_H
+# include <stdnoreturn.h>
+# define no_return noreturn void
+#elif defined(_MSC_VER)
+# define no_return __declspec(noreturn) void
+#else
+# define no_return void noreturn_func
+#endif
+
+/*
+ * A fatal function is both unlikely and no_return
+ */
+#define fatal_func no_return unlikely_func
+#define fatal_func_ptr no_return unlikely_func_ptr
+
+/*
+ * How to tell the compiler that a function takes a printf-like string
+ */
+#define printf_func(fmt, list) format_func3(printf,fmt,list)
+#define printf_func_ptr(fmt, list) format_func3_ptr(printf,fmt,list)
+#define vprintf_func(fmt) format_func3(printf,fmt,0)
+#define vprintf_func_ptr(fmt) format_func3_ptr(printf,fmt,0)
+
+/* Determine probabilistically if something is a compile-time constant */
+#ifdef HAVE___BUILTIN_CONSTANT_P
+# if defined(__GNUC__) && (__GNUC__ >= 5)
+# define is_constant(x) __builtin_constant_p((x))
+# else
+# define is_constant(x) false
+# endif
+#else
+# define is_constant(x) false
+#endif
+
+/*
+ * If we can guarantee that a particular expression is constant, use it,
+ * otherwise use a different version.
+ */
+#if defined(__GNUC__) && (__GNUC__ >= 3)
+# define not_pedantic_start \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wpedantic\"")
+# define not_pedantic_end \
+ _Pragma("GCC diagnostic pop")
+#else
+# define not_pedantic_start
+# define not_pedantic_end
+#endif
+
+#ifdef HAVE___BUILTIN_CHOOSE_EXPR
+# define if_constant(x,y) __builtin_choose_expr(is_constant(x),(x),(y))
+#else
+# define if_constant(x,y) (y)
+#endif
+
+/*
+ * The autoconf documentation states:
+ *
+ * `va_copy'
+ * The C99 standard provides `va_copy' for copying `va_list'
+ * variables. It may be available in older environments too, though
+ * possibly as `__va_copy' (e.g., `gcc' in strict pre-C99 mode).
+ * These can be tested with `#ifdef'. A fallback to `memcpy (&dst,
+ * &src, sizeof (va_list))' gives maximum portability.
+ */
+#ifndef va_copy
+# ifdef __va_copy
+# define va_copy(dst,src) __va_copy(dst,src)
+# else
+# define va_copy(dst,src) memcpy(&(dst),&(src),sizeof(va_list))
+# endif
+#endif
+
+/*
+ * If SIZE_MAX is not defined, rely on size_t being unsigned
+ */
+#ifndef SIZE_MAX
+# define SIZE_MAX (((size_t)0) - 1)
+#endif
+
+/* Watcom doesn't handle switch statements with 64-bit types, hack around it */
+#ifdef __WATCOMC__
+# define BOGUS_CASE 0x76543210
+
+static inline unsigned int watcom_switch_hack(uint64_t x)
+{
+ if (x > (uint64_t)UINT_MAX)
+ return BOGUS_CASE;
+ else
+ return (unsigned int)x;
+}
+
+# define switch(x) switch(sizeof(x) > sizeof(unsigned int) \
+ ? watcom_switch_hack(x) : (unsigned int)(x))
+
+/* This is to make sure BOGUS_CASE doesn't conflict with anything real... */
+# define default case BOGUS_CASE: default
+#endif
+
+#endif /* NASM_COMPILER_H */