mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-25 19:46:25 +00:00
e08c524068
Nothing uses qemu_fls() any more, so delete it. Backports commit 10944a19209bb520054569e0f156f50338901264 from qemu
290 lines
10 KiB
C
290 lines
10 KiB
C
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/* Common header file that is included by all of QEMU.
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*
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* This file is supposed to be included only by .c files. No header file should
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* depend on qemu-common.h, as this would easily lead to circular header
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* dependencies.
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*
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* If a header file uses a definition from qemu-common.h, that definition
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* must be moved to a separate header file, and the header that uses it
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* must include that header.
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*/
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#ifndef QEMU_COMMON_H
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#define QEMU_COMMON_H
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#include "qemu/osdep.h"
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#include "qemu/typedefs.h"
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#include "qemu/fprintf-fn.h"
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#include "exec/cpu-common.h"
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#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
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#define WORDS_ALIGNED
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#endif
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#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
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#include "unicorn/platform.h"
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#include "glib_compat.h"
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/* HOST_LONG_BITS is the size of a native pointer in bits. */
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#if UINTPTR_MAX == UINT32_MAX
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# define HOST_LONG_BITS 32
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#elif UINTPTR_MAX == UINT64_MAX
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# define HOST_LONG_BITS 64
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#else
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# error Unknown pointer size
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#endif
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#include "qemu/bswap.h"
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/* FIXME: Remove NEED_CPU_H. */
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#ifdef NEED_CPU_H
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#include "cpu.h"
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#endif /* !defined(NEED_CPU_H) */
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/* util/cutils.c */
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/**
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* pstrcpy:
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* @buf: buffer to copy string into
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* @buf_size: size of @buf in bytes
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* @str: string to copy
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*
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* Copy @str into @buf, including the trailing NUL, but do not
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* write more than @buf_size bytes. The resulting buffer is
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* always NUL terminated (even if the source string was too long).
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* If @buf_size is zero or negative then no bytes are copied.
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*
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* This function is similar to strncpy(), but avoids two of that
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* function's problems:
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* * if @str fits in the buffer, pstrcpy() does not zero-fill the
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* remaining space at the end of @buf
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* * if @str is too long, pstrcpy() will copy the first @buf_size-1
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* bytes and then add a NUL
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*/
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void pstrcpy(char *buf, int buf_size, const char *str);
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/**
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* strpadcpy:
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* @buf: buffer to copy string into
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* @buf_size: size of @buf in bytes
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* @str: string to copy
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* @pad: character to pad the remainder of @buf with
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*
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* Copy @str into @buf (but *not* its trailing NUL!), and then pad the
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* rest of the buffer with the @pad character. If @str is too large
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* for the buffer then it is truncated, so that @buf contains the
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* first @buf_size characters of @str, with no terminator.
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*/
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void strpadcpy(char *buf, int buf_size, const char *str, char pad);
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/**
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* pstrcat:
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* @buf: buffer containing existing string
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* @buf_size: size of @buf in bytes
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* @s: string to concatenate to @buf
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*
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* Append a copy of @s to the string already in @buf, but do not
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* allow the buffer to overflow. If the existing contents of @buf
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* plus @str would total more than @buf_size bytes, then write
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* as much of @str as will fit followed by a NUL terminator.
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*
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* @buf must already contain a NUL-terminated string, or the
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* behaviour is undefined.
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*
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* Returns: @buf.
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*/
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char *pstrcat(char *buf, int buf_size, const char *s);
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/**
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* strstart:
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* @str: string to test
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* @val: prefix string to look for
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* @ptr: NULL, or pointer to be written to indicate start of
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* the remainder of the string
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*
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* Test whether @str starts with the prefix @val.
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* If it does (including the degenerate case where @str and @val
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* are equal) then return true. If @ptr is not NULL then a
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* pointer to the first character following the prefix is written
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* to it. If @val is not a prefix of @str then return false (and
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* @ptr is not written to).
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*
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* Returns: true if @str starts with prefix @val, false otherwise.
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*/
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int strstart(const char *str, const char *val, const char **ptr);
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/**
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* stristart:
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* @str: string to test
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* @val: prefix string to look for
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* @ptr: NULL, or pointer to be written to indicate start of
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* the remainder of the string
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*
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* Test whether @str starts with the case-insensitive prefix @val.
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* This function behaves identically to strstart(), except that the
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* comparison is made after calling qemu_toupper() on each pair of
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* characters.
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*
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* Returns: true if @str starts with case-insensitive prefix @val,
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* false otherwise.
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*/
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int stristart(const char *str, const char *val, const char **ptr);
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/**
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* qemu_strnlen:
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* @s: string
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* @max_len: maximum number of bytes in @s to scan
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*
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* Return the length of the string @s, like strlen(), but do not
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* examine more than @max_len bytes of the memory pointed to by @s.
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* If no NUL terminator is found within @max_len bytes, then return
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* @max_len instead.
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*
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* This function has the same behaviour as the POSIX strnlen()
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* function.
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*
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* Returns: length of @s in bytes, or @max_len, whichever is smaller.
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*/
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int qemu_strnlen(const char *s, int max_len);
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/**
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* qemu_strsep:
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* @input: pointer to string to parse
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* @delim: string containing delimiter characters to search for
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*
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* Locate the first occurrence of any character in @delim within
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* the string referenced by @input, and replace it with a NUL.
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* The location of the next character after the delimiter character
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* is stored into @input.
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* If the end of the string was reached without finding a delimiter
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* character, then NULL is stored into @input.
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* If @input points to a NULL pointer on entry, return NULL.
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* The return value is always the original value of *@input (and
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* so now points to a NUL-terminated string corresponding to the
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* part of the input up to the first delimiter).
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*
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* This function has the same behaviour as the BSD strsep() function.
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*
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* Returns: the pointer originally in @input.
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*/
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char *qemu_strsep(char **input, const char *delim);
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/*
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* strtosz() suffixes used to specify the default treatment of an
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* argument passed to strtosz() without an explicit suffix.
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* These should be defined using upper case characters in the range
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* A-Z, as strtosz() will use qemu_toupper() on the given argument
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* prior to comparison.
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*/
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#define STRTOSZ_DEFSUFFIX_EB 'E'
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#define STRTOSZ_DEFSUFFIX_PB 'P'
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#define STRTOSZ_DEFSUFFIX_TB 'T'
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#define STRTOSZ_DEFSUFFIX_GB 'G'
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#define STRTOSZ_DEFSUFFIX_MB 'M'
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#define STRTOSZ_DEFSUFFIX_KB 'K'
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#define STRTOSZ_DEFSUFFIX_B 'B'
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int64_t strtosz(const char *nptr, char **end);
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int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
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int64_t strtosz_suffix_unit(const char *nptr, char **end,
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const char default_suffix, int64_t unit);
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/* used to print char* safely */
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#define STR_OR_NULL(str) ((str) ? (str) : "null")
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#define qemu_isalnum(c) isalnum((unsigned char)(c))
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#define qemu_isalpha(c) isalpha((unsigned char)(c))
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#define qemu_iscntrl(c) iscntrl((unsigned char)(c))
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#define qemu_isdigit(c) isdigit((unsigned char)(c))
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#define qemu_isgraph(c) isgraph((unsigned char)(c))
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#define qemu_islower(c) islower((unsigned char)(c))
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#define qemu_isprint(c) isprint((unsigned char)(c))
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#define qemu_ispunct(c) ispunct((unsigned char)(c))
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#define qemu_isspace(c) isspace((unsigned char)(c))
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#define qemu_isupper(c) isupper((unsigned char)(c))
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#define qemu_isxdigit(c) isxdigit((unsigned char)(c))
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#define qemu_tolower(c) tolower((unsigned char)(c))
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#define qemu_toupper(c) toupper((unsigned char)(c))
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#define qemu_isascii(c) isascii((unsigned char)(c))
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#define qemu_toascii(c) toascii((unsigned char)(c))
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void *qemu_oom_check(void *ptr);
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#ifdef _WIN32
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/* MinGW needs type casts for the 'buf' and 'optval' arguments. */
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#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
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getsockopt(sockfd, level, optname, (void *)optval, optlen)
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#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
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setsockopt(sockfd, level, optname, (const void *)optval, optlen)
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#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
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#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
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sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen)
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#else
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#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
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getsockopt(sockfd, level, optname, optval, optlen)
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#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
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setsockopt(sockfd, level, optname, optval, optlen)
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#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
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#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
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sendto(sockfd, buf, len, flags, destaddr, addrlen)
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#endif
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/* Error handling. */
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void tcg_exec_init(struct uc_struct *uc, unsigned long tb_size);
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bool tcg_enabled(struct uc_struct *uc);
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struct uc_struct;
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void cpu_exec_init_all(struct uc_struct *uc);
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/* Round number down to multiple */
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#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
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/* Round number up to multiple */
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#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))
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#include "qemu/module.h"
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/* vector definitions */
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#ifdef __ALTIVEC__
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#include <altivec.h>
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/* The altivec.h header says we're allowed to undef these for
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* C++ compatibility. Here we don't care about C++, but we
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* undef them anyway to avoid namespace pollution.
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*/
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#undef vector
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#undef pixel
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#undef bool
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#define VECTYPE __vector unsigned char
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#define SPLAT(p) vec_splat(vec_ld(0, p), 0)
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#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
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#define VEC_OR(v1, v2) ((v1) | (v2))
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/* altivec.h may redefine the bool macro as vector type.
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* Reset it to POSIX semantics. */
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#define bool _Bool
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#elif defined __SSE2__
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#include <emmintrin.h>
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#define VECTYPE __m128i
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#define SPLAT(p) _mm_set1_epi8(*(p))
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#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
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#define VEC_OR(v1, v2) (_mm_or_si128(v1, v2))
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#else
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#define VECTYPE unsigned long
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#define SPLAT(p) (*(p) * (~0UL / 255))
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#define ALL_EQ(v1, v2) ((v1) == (v2))
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#define VEC_OR(v1, v2) ((v1) | (v2))
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#endif
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// support for calling functions before main code is executed.
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#if defined(_MSC_VER)
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#pragma section(".CRT$XCU",read)
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#define INITIALIZER2_(f,p) \
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static void f(void); \
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__declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \
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__pragma(comment(linker,"/include:" p #f "_")) \
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static void f(void)
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#ifdef _WIN64
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#define INITIALIZER(f) INITIALIZER2_(f,"")
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#else
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#define INITIALIZER(f) INITIALIZER2_(f,"_")
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#endif
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#else
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#define INITIALIZER(f) \
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static void f(void) __attribute__((constructor)); \
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static void f(void)
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#endif
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#endif
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