minix/kernel/debug.h
Ben Gras 0937d6c367 re-establish kernel assert()s.
use the regular <assert.h> assert() instead of vmassert() in
kernel. throw out some #if 0 code. fix a few assert() conditions.
enable by default.
2010-03-10 13:00:05 +00:00

83 lines
2.1 KiB
C

#ifndef DEBUG_H
#define DEBUG_H
/* This header file defines all debugging constants and macros, and declares
* some variables. Certain debugging features redefine standard constants
* and macros. Therefore, this header file should be included after the
* other kernel headers.
*/
#include <ansi.h>
#include <minix/debug.h>
#include "config.h"
/* Enable prints such as
* . send/receive failed due to deadlock or dead source or dead destination
* . trap not allowed
* . bogus message pointer
* . kernel call number not allowed by this process
*
* Of course the call still fails, but nothing is printed if these warnings
* are disabled.
*/
#define DEBUG_ENABLE_IPC_WARNINGS 1
#define DEBUG_STACKTRACE 1
#define DEBUG_TIME_LOCKS 1
/* Sanity checks. */
#define DEBUG_SANITYCHECKS 0
/* Verbose messages. */
#define DEBUG_TRACE 0
#if DEBUG_TRACE
#define VF_SCHEDULING (1L << 1)
#define VF_PICKPROC (1L << 2)
#define TRACE(code, statement) if(verboseflags & code) { printf("%s:%d: ", __FILE__, __LINE__); statement }
#else
#define TRACE(code, statement)
#endif
#define ENTERED 0xBA5E1514
#define NOTENTERED 0x1415BEE1
#define NOREC_ENTER(varname) \
static int varname = NOTENTERED; \
assert(varname == ENTERED || varname == NOTENTERED); \
assert(magictest == MAGICTEST); \
assert(varname != ENTERED); \
varname = ENTERED;
#define NOREC_RETURN(varname, v) do { \
assert(magictest == MAGICTEST); \
assert(varname == ENTERED || varname == NOTENTERED); \
varname = NOTENTERED; \
return v; \
} while(0)
#define NOT_REACHABLE do { \
panic("NOT_REACHABLE at %s:%d", __FILE__, __LINE__); \
for(;;); \
} while(0)
#define NOT_IMPLEMENTED do { \
panic("NOT_IMPLEMENTED at %s:%d", __FILE__, __LINE__); \
} while(0)
#ifdef CONFIG_BOOT_VERBOSE
#define BOOT_VERBOSE(x) x
#else
#define BOOT_VERBOSE(x)
#endif
#ifdef _SYSTEM
#define DEBUG_PRINT(params, level) do { \
if (verboseboot >= (level)) printf params; } while (0)
#define DEBUGBASIC(params) DEBUG_PRINT(params, VERBOSEBOOT_BASIC)
#define DEBUGMAX(params) DEBUG_PRINT(params, VERBOSEBOOT_MAX)
#endif
#endif /* DEBUG_H */