qemu/scripts/cocci-macro-file.h

120 lines
4.6 KiB
C

/* Macro file for Coccinelle
*
* Copyright (C) 2015 Red Hat, Inc.
*
* Authors:
* Paolo Bonzini <pbonzini@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or, at your
* option, any later version. See the COPYING file in the top-level directory.
*/
/* Coccinelle only does limited parsing of headers, and chokes on some idioms
* defined in compiler.h and queue.h. Macros that Coccinelle must know about
* in order to parse .c files must be in a separate macro file---which is
* exactly what you're staring at now.
*
* To use this file, add the "--macro-file scripts/cocci-macro-file.h" to the
* Coccinelle command line.
*/
/* From qemu/compiler.h */
#define QEMU_GNUC_PREREQ(maj, min) 1
#define QEMU_NORETURN __attribute__ ((__noreturn__))
#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#define QEMU_SENTINEL __attribute__((sentinel))
#define QEMU_ARTIFICIAL __attribute__((always_inline, artificial))
#define QEMU_PACKED __attribute__((gcc_struct, packed))
#define cat(x,y) x ## y
#define cat2(x,y) cat(x,y)
#define QEMU_BUILD_BUG_ON(x) \
typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused));
#define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
#define stringify(s) tostring(s)
#define tostring(s) #s
#define typeof_field(type, field) typeof(((type *)0)->field)
#define type_check(t1,t2) ((t1*)0 - (t2*)0)
/* From qemu/queue.h */
#define QLIST_HEAD(name, type) \
struct name { \
struct type *lh_first; /* first element */ \
}
#define QLIST_HEAD_INITIALIZER(head) \
{ NULL }
#define QLIST_ENTRY(type) \
struct { \
struct type *le_next; /* next element */ \
struct type **le_prev; /* address of previous next element */ \
}
/*
* Singly-linked List definitions.
*/
#define QSLIST_HEAD(name, type) \
struct name { \
struct type *slh_first; /* first element */ \
}
#define QSLIST_HEAD_INITIALIZER(head) \
{ NULL }
#define QSLIST_ENTRY(type) \
struct { \
struct type *sle_next; /* next element */ \
}
/*
* Simple queue definitions.
*/
#define QSIMPLEQ_HEAD(name, type) \
struct name { \
struct type *sqh_first; /* first element */ \
struct type **sqh_last; /* addr of last next element */ \
}
#define QSIMPLEQ_HEAD_INITIALIZER(head) \
{ NULL, &(head).sqh_first }
#define QSIMPLEQ_ENTRY(type) \
struct { \
struct type *sqe_next; /* next element */ \
}
/*
* Tail queue definitions.
*/
#define Q_TAILQ_HEAD(name, type, qual) \
struct name { \
qual type *tqh_first; /* first element */ \
qual type *qual *tqh_last; /* addr of last next element */ \
}
#define QTAILQ_HEAD(name, type) \
struct name { \
type *tqh_first; /* first element */ \
type **tqh_last; /* addr of last next element */ \
}
#define QTAILQ_HEAD_INITIALIZER(head) \
{ NULL, &(head).tqh_first }
#define Q_TAILQ_ENTRY(type, qual) \
struct { \
qual type *tqe_next; /* next element */ \
qual type *qual *tqe_prev; /* address of previous next element */\
}
#define QTAILQ_ENTRY(type) \
struct { \
type *tqe_next; /* next element */ \
type **tqe_prev; /* address of previous next element */ \
}