LXR qemu/scripts/cocci-macro-file.h

   1/* Macro file for Coccinelle
   2 *
   3 * Copyright (C) 2015 Red Hat, Inc.
   4 *
   5 * Authors:
   6 *  Paolo Bonzini <pbonzini@redhat.com>
   7 *
   8 * This work is licensed under the terms of the GNU GPL, version 2 or, at your
   9 * option, any later version.  See the COPYING file in the top-level directory.
  10 */
  11
  12/* Coccinelle only does limited parsing of headers, and chokes on some idioms
  13 * defined in compiler.h and queue.h.  Macros that Coccinelle must know about
  14 * in order to parse .c files must be in a separate macro file---which is
  15 * exactly what you're staring at now.
  16 *
  17 * To use this file, add the "--macro-file scripts/cocci-macro-file.h" to the
  18 * Coccinelle command line.
  19 */
  20
  21/* From qemu/compiler.h */
  22#define G_NORETURN __attribute__ ((__noreturn__))
  23#define G_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
  24#define G_GNUC_NULL_TERMINATED __attribute__((sentinel))
  25
  26#if defined(_WIN32) && (defined(__x86_64__) || defined(__i386__))
  27# define QEMU_PACKED __attribute__((gcc_struct, packed))
  28#else
  29# define QEMU_PACKED __attribute__((packed))
  30#endif
  31
  32#define cat(x,y) x ## y
  33#define cat2(x,y) cat(x,y)
  34#define QEMU_BUILD_BUG_ON(x) \
  35    typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused));
  36
  37#define G_GNUC_PRINTF(n, m) __attribute__((format(gnu_printf, n, m)))
  38
  39#define xglue(x, y) x ## y
  40#define glue(x, y) xglue(x, y)
  41#define stringify(s)    tostring(s)
  42#define tostring(s)     #s
  43
  44#define typeof_field(type, field) typeof(((type *)0)->field)
  45#define type_check(t1,t2) ((t1*)0 - (t2*)0)
  46
  47/* From qemu/queue.h */
  48
  49#define QLIST_HEAD(name, type)                                          \
  50struct name {                                                           \
  51        struct type *lh_first;  /* first element */                     \
  52}
  53
  54#define QLIST_HEAD_INITIALIZER(head)                                    \
  55        { NULL }
  56
  57#define QLIST_ENTRY(type)                                               \
  58struct {                                                                \
  59        struct type *le_next;   /* next element */                      \
  60        struct type **le_prev;  /* address of previous next element */  \
  61}
  62
  63/*
  64 * Singly-linked List definitions.
  65 */
  66#define QSLIST_HEAD(name, type)                                          \
  67struct name {                                                           \
  68        struct type *slh_first; /* first element */                     \
  69}
  70
  71#define QSLIST_HEAD_INITIALIZER(head)                                    \
  72        { NULL }
  73
  74#define QSLIST_ENTRY(type)                                               \
  75struct {                                                                \
  76        struct type *sle_next;  /* next element */                      \
  77}
  78
  79/*
  80 * Simple queue definitions.
  81 */
  82#define QSIMPLEQ_HEAD(name, type)                                       \
  83struct name {                                                           \
  84    struct type *sqh_first;    /* first element */                      \
  85    struct type **sqh_last;    /* addr of last next element */          \
  86}
  87
  88#define QSIMPLEQ_HEAD_INITIALIZER(head)                                 \
  89    { NULL, &(head).sqh_first }
  90
  91#define QSIMPLEQ_ENTRY(type)                                            \
  92struct {                                                                \
  93    struct type *sqe_next;    /* next element */                        \
  94}
  95
  96/*
  97 * Tail queue definitions.
  98 */
  99#define QTAILQ_HEAD(name, type)                                         \
 100union name {                                                            \
 101        struct type *tqh_first;       /* first element */               \
 102        QTailQLink tqh_circ;          /* link for last element */       \
 103}
 104
 105#define QTAILQ_HEAD_INITIALIZER(head)                                   \
 106        { .tqh_circ = { NULL, &(head).tqh_circ } }
 107
 108#define QTAILQ_ENTRY(type)                                              \
 109union {                                                                 \
 110        struct type *tqe_next;        /* next element */                \
 111        QTailQLink tqe_circ;          /* link for prev element */       \
 112}
 113
 114/* From glib */
 115#define g_assert_cmpint(a, op, b)   g_assert(a op b)
 116#define g_assert_cmpuint(a, op, b)   g_assert(a op b)
 117#define g_assert_cmphex(a, op, b)   g_assert(a op b)
 118#define g_assert_cmpstr(a, op, b)   g_assert(strcmp(a, b) op 0)
 119