mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-25 07:19:02 +00:00
e75ffde09e
You can now build Cosmopolitan with Clang:
make -j8 MODE=llvm
o/llvm/examples/hello.com
The assembler and linker code is now friendly to LLVM too.
So it's not needed to configure Clang to use binutils under
the hood. If you love LLVM then you can now use pure LLVM.
230 lines
11 KiB
C
230 lines
11 KiB
C
#ifndef COSMOPOLITAN_LIBC_LOG_LOG_H_
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#define COSMOPOLITAN_LIBC_LOG_LOG_H_
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#include "libc/calls/struct/sigset.h"
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#include "libc/calls/struct/winsize.h"
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#include "libc/stdio/stdio.h"
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define kLogFatal 0
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#define kLogError 1
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#define kLogWarn 2
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#define kLogInfo 3
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#define kLogVerbose 4
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#define kLogDebug 5
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/**
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* Log level for compile-time DCE.
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*/
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#ifndef LOGGABLELEVEL
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#ifndef TINY
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#define LOGGABLELEVEL kLogDebug
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/* #elif IsTiny() */
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/* #define LOGGABLELEVEL kLogInfo */
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#else
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#define LOGGABLELEVEL kLogVerbose
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#endif
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#endif
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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extern FILE *g_logfile;
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void perror(const char *) relegated; /* print the last system error */
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void __die(void) relegated wontreturn; /* print backtrace and abort() */
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void meminfo(int); /* shows malloc statistics &c. */
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void memsummary(int); /* light version of same thing */
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uint16_t getttycols(uint16_t);
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int getttysize(int, struct winsize *) paramsnonnull();
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bool IsTerminalInarticulate(void) nosideeffect;
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const char *commandvenv(const char *, const char *);
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const char *GetAddr2linePath(void);
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const char *GetGdbPath(void);
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void showcrashreports(void);
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void callexitontermination(struct sigset *);
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bool32 IsDebuggerPresent(bool);
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bool IsRunningUnderMake(void);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog » logging ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#ifndef __STRICT_ANSI__
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extern unsigned g_loglevel; /* log level for runtime check */
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#define LOGGABLE(LEVEL) \
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((!__builtin_constant_p(LEVEL) || (LEVEL) <= LOGGABLELEVEL) && \
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(LEVEL) <= g_loglevel)
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#define LOGF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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flogf(kLogInfo, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFLOG(FMT, VA) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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vflogf(kLogInfo, __FILE__, __LINE__, NULL, FMT, VA); \
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} \
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} while (0)
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#define FLOGF(F, FMT, ...) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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flogf(kLogInfo, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFLOGF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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vflogf(kLogInfo, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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#define WARNF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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flogf(kLogWarn, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VWARNF(FMT, VA) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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vflogf(kLogWarn, __FILE__, __LINE__, NULL, FMT, VA); \
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} \
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} while (0)
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#define FWARNF(F, FMT, ...) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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flogf(kLogWarn, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFWARNF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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vflogf(kLogWarn, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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#define FATALF(FMT, ...) \
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do { \
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ffatalf(kLogFatal, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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unreachable; \
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} while (0)
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#define VFATALF(FMT, VA) \
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do { \
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vffatalf(kLogFatal, __FILE__, __LINE__, NULL, FMT, VA); \
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unreachable; \
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} while (0)
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#define FFATALF(F, FMT, ...) \
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do { \
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ffatalf(kLogFatal, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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unreachable; \
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} while (0)
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#define VFFATALF(F, FMT, VA) \
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do { \
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vffatalf(kLogFatal, __FILE__, __LINE__, F, FMT, VA); \
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unreachable; \
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} while (0)
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#define DEBUGF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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fdebugf(kLogDebug, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VERBOSEF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogVerbose)) { \
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fverbosef(kLogVerbose, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VDEBUGF(FMT, VA) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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vfdebugf(kLogDebug, __FILE__, __LINE__, NULL, FMT, VA); \
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} \
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} while (0)
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#define FDEBUGF(F, FMT, ...) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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fdebugf(kLogDebug, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFVERBOSEF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogVerbose)) { \
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vfverbosef(kLogVerbose, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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#define VFDEBUGF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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vfdebugf(kLogDebug, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog » on error resume next ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define LOGIFNEG1(FORM) \
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({ \
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autotype(FORM) Ax = (FORM); \
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if (Ax == (typeof(Ax))(-1) && LOGGABLE(kLogWarn)) { \
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__logerrno(__FILE__, __LINE__, #FORM); \
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} \
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Ax; \
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})
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#define LOGIFNULL(FORM) \
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({ \
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autotype(FORM) Ax = (FORM); \
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if (Ax == NULL && LOGGABLE(kLogWarn)) { \
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__logerrno(__FILE__, __LINE__, #FORM); \
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} \
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Ax; \
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})
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog » implementation details ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void __logerrno(const char *, int, const char *) relegated;
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#define ARGS unsigned, const char *, int, FILE *, const char *
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#define ATTR paramsnonnull((5)) printfesque(5)
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#define ATTRV paramsnonnull((5, 6))
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void flogf(ARGS, ...) ATTR libcesque;
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void vflogf(ARGS, va_list) ATTRV libcesque;
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void fverbosef(ARGS, ...) asm("flogf") ATTR relegated libcesque;
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void vfverbosef(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
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void fdebugf(ARGS, ...) asm("flogf") ATTR relegated libcesque;
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void vfdebugf(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
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void ffatalf(ARGS, ...) asm("flogf") ATTR relegated wontreturn libcesque;
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void vffatalf(ARGS, va_list) asm("vflogf") ATTRV relegated wontreturn libcesque;
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#undef ARGS
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#undef ATTR
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#undef ATTRV
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#endif /* __STRICT_ANSI__ */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_LOG_LOG_H_ */
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