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_GNUC_PREREQ(maj, min) 1 23 #define QEMU_NORETURN __attribute__ ((__noreturn__)) 24 #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 25 #define QEMU_SENTINEL __attribute__((sentinel)) 26 27 #if defined(_WIN32) && (defined(__x86_64__) || defined(__i386__)) 28 # define QEMU_PACKED __attribute__((gcc_struct, packed)) 29 #else 30 # define QEMU_PACKED __attribute__((packed)) 31 #endif 32 33 #define cat(x,y) x ## y 34 #define cat2(x,y) cat(x,y) 35 #define QEMU_BUILD_BUG_ON(x) \ 36 typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); 37 38 #define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) 39 40 #define xglue(x, y) x ## y 41 #define glue(x, y) xglue(x, y) 42 #define stringify(s) tostring(s) 43 #define tostring(s) #s 44 45 #define typeof_field(type, field) typeof(((type *)0)->field) 46 #define type_check(t1,t2) ((t1*)0 - (t2*)0) 47 48 /* From qemu/queue.h */ 49 50 #define QLIST_HEAD(name, type) \ 51 struct name { \ 52 struct type *lh_first; /* first element */ \ 53 } 54 55 #define QLIST_HEAD_INITIALIZER(head) \ 56 { NULL } 57 58 #define QLIST_ENTRY(type) \ 59 struct { \ 60 struct type *le_next; /* next element */ \ 61 struct type **le_prev; /* address of previous next element */ \ 62 } 63 64 /* 65 * Singly-linked List definitions. 66 */ 67 #define QSLIST_HEAD(name, type) \ 68 struct name { \ 69 struct type *slh_first; /* first element */ \ 70 } 71 72 #define QSLIST_HEAD_INITIALIZER(head) \ 73 { NULL } 74 75 #define QSLIST_ENTRY(type) \ 76 struct { \ 77 struct type *sle_next; /* next element */ \ 78 } 79 80 /* 81 * Simple queue definitions. 82 */ 83 #define QSIMPLEQ_HEAD(name, type) \ 84 struct name { \ 85 struct type *sqh_first; /* first element */ \ 86 struct type **sqh_last; /* addr of last next element */ \ 87 } 88 89 #define QSIMPLEQ_HEAD_INITIALIZER(head) \ 90 { NULL, &(head).sqh_first } 91 92 #define QSIMPLEQ_ENTRY(type) \ 93 struct { \ 94 struct type *sqe_next; /* next element */ \ 95 } 96 97 /* 98 * Tail queue definitions. 99 */ 100 #define QTAILQ_HEAD(name, type) \ 101 union name { \ 102 struct type *tqh_first; /* first element */ \ 103 QTailQLink tqh_circ; /* link for last element */ \ 104 } 105 106 #define QTAILQ_HEAD_INITIALIZER(head) \ 107 { .tqh_circ = { NULL, &(head).tqh_circ } } 108 109 #define QTAILQ_ENTRY(type) \ 110 union { \ 111 struct type *tqe_next; /* next element */ \ 112 QTailQLink tqe_circ; /* link for prev element */ \ 113 } 114 115 /* From glib */ 116 #define g_assert_cmpint(a, op, b) g_assert(a op b) 117 #define g_assert_cmpuint(a, op, b) g_assert(a op b) 118 #define g_assert_cmphex(a, op, b) g_assert(a op b) 119 #define g_assert_cmpstr(a, op, b) g_assert(strcmp(a, b) op 0) 120