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