1*be0aa7acSPeter Maydell /* log-for-trace.h: logging basics required by the trace.h generated 2*be0aa7acSPeter Maydell * by the log trace backend. 3*be0aa7acSPeter Maydell * 4*be0aa7acSPeter Maydell * This should not be included directly by any .c file: if you 5*be0aa7acSPeter Maydell * need to use the logging functions include "qemu/log.h". 6*be0aa7acSPeter Maydell * 7*be0aa7acSPeter Maydell * The purpose of splitting these parts out into their own header 8*be0aa7acSPeter Maydell * is to catch the easy mistake where a .c file includes trace.h 9*be0aa7acSPeter Maydell * but forgets to include qemu/log.h. Without this split, that 10*be0aa7acSPeter Maydell * would result in the .c file compiling fine when the default 11*be0aa7acSPeter Maydell * trace backend is in use but failing to compile with any other 12*be0aa7acSPeter Maydell * backend. 13*be0aa7acSPeter Maydell * 14*be0aa7acSPeter Maydell * This code is licensed under the GNU General Public License, 15*be0aa7acSPeter Maydell * version 2 or (at your option) any later version. 16*be0aa7acSPeter Maydell */ 17*be0aa7acSPeter Maydell 18*be0aa7acSPeter Maydell #ifndef QEMU_LOG_FOR_TRACE_H 19*be0aa7acSPeter Maydell #define QEMU_LOG_FOR_TRACE_H 20*be0aa7acSPeter Maydell 21*be0aa7acSPeter Maydell /* Private global variable, don't use */ 22*be0aa7acSPeter Maydell extern int qemu_loglevel; 23*be0aa7acSPeter Maydell 24*be0aa7acSPeter Maydell #define LOG_TRACE (1 << 15) 25*be0aa7acSPeter Maydell 26*be0aa7acSPeter Maydell /* Returns true if a bit is set in the current loglevel mask */ 27*be0aa7acSPeter Maydell static inline bool qemu_loglevel_mask(int mask) 28*be0aa7acSPeter Maydell { 29*be0aa7acSPeter Maydell return (qemu_loglevel & mask) != 0; 30*be0aa7acSPeter Maydell } 31*be0aa7acSPeter Maydell 32*be0aa7acSPeter Maydell /* main logging function */ 33*be0aa7acSPeter Maydell int GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...); 34*be0aa7acSPeter Maydell 35*be0aa7acSPeter Maydell #endif 36