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 QEMU_NORETURN __attribute__ ((__noreturn__)) 23 #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 24 #define QEMU_SENTINEL __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 GCC_FMT_ATTR(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) \ 50 struct name { \ 51 struct type *lh_first; /* first element */ \ 52 } 53 54 #define QLIST_HEAD_INITIALIZER(head) \ 55 { NULL } 56 57 #define QLIST_ENTRY(type) \ 58 struct { \ 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) \ 67 struct name { \ 68 struct type *slh_first; /* first element */ \ 69 } 70 71 #define QSLIST_HEAD_INITIALIZER(head) \ 72 { NULL } 73 74 #define QSLIST_ENTRY(type) \ 75 struct { \ 76 struct type *sle_next; /* next element */ \ 77 } 78 79 /* 80 * Simple queue definitions. 81 */ 82 #define QSIMPLEQ_HEAD(name, type) \ 83 struct 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) \ 92 struct { \ 93 struct type *sqe_next; /* next element */ \ 94 } 95 96 /* 97 * Tail queue definitions. 98 */ 99 #define QTAILQ_HEAD(name, type) \ 100 union 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) \ 109 union { \ 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