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Put assertions behind a DEBUG flag to make it easy to build without them.

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This commit is contained in:
Andreas Kling 2019-04-23 21:52:02 +02:00
parent f3754b8429
commit 0c898e3c2c
Notes: sideshowbarker 2024-07-19 14:36:41 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/0c898e3c2ca
18 changed files with 49 additions and 37 deletions
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9
Kernel/Assertions.h
View file

@ -3,12 +3,15 @@
#include <Kernel/kstdio.h>
#include <Kernel/i386.h>
#ifdef DEBUG
[[noreturn]] void __assertion_failed(const char* msg, const char* file, unsigned line, const char* func);
#define ASSERT(expr) (static_cast<bool>(expr) ? (void)0 : __assertion_failed(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__))
#define ASSERT_NOT_REACHED() ASSERT(false)
#else
#define ASSERT(expr)
#define ASSERT_NOT_REACHED() CRASH()
#endif
#define CRASH() do { asm volatile("ud2"); } while(0)
#define RELEASE_ASSERT(x) do { if (!(x)) CRASH(); } while(0)
//#define ASSERT RELEASE_ASSERT
#define ASSERT_NOT_REACHED() ASSERT(false)
#define ASSERT_INTERRUPTS_DISABLED() ASSERT(!(cpu_flags() & 0x200))
#define ASSERT_INTERRUPTS_ENABLED() ASSERT(cpu_flags() & 0x200)

2
Kernel/i386.cpp
View file

@ -484,6 +484,7 @@ void handle_irq()
PIC::eoi(irq);
}
#ifdef DEBUG
void __assertion_failed(const char* msg, const char* file, unsigned line, const char* func)
{
asm volatile("cli");
@ -493,6 +494,7 @@ void __assertion_failed(const char* msg, const char* file, unsigned line, const
asm volatile("hlt");
for (;;);
}
#endif
void sse_init()
{

2
LibC/assert.cpp
View file

@ -5,6 +5,7 @@
extern "C" {
#ifdef DEBUG
void __assertion_failed(const char* msg, const char* file, unsigned line, const char* func)
{
dbgprintf("USERSPACE(%d) ASSERTION FAILED: %s\n%s:%u in %s\n", getpid(), msg, file, line, func);
@ -12,5 +13,6 @@ void __assertion_failed(const char* msg, const char* file, unsigned line, const
abort();
for (;;);
}
#endif
}

9
LibC/assert.h
View file

@ -4,13 +4,18 @@
__BEGIN_DECLS
#ifdef DEBUG
__attribute__((noreturn)) void __assertion_failed(const char* msg, const char* file, unsigned line, const char* func);
#define assert(expr) ((expr) ? (void)0 : __assertion_failed(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__))
#define ASSERT_NOT_REACHED() assert(false)
#else
#define assert(expr)
#define ASSERT_NOT_REACHED() CRASH()
#endif
#define CRASH() do { asm volatile("ud2"); } while(0)
#define ASSERT assert
#define RELEASE_ASSERT assert
#define ASSERT_NOT_REACHED() assert(false)
__END_DECLS

2
LibC/crt0.cpp
View file

@ -48,7 +48,7 @@ int _start(int argc, char** argv, char** env)
[[noreturn]] void __cxa_pure_virtual()
{
assert(false);
ASSERT_NOT_REACHED();
}
void __cxa_atexit()

2
LibC/mntent.cpp
View file

@ -5,7 +5,7 @@ extern "C" {
struct mntent* getmntent(FILE*)
{
assert(false);
ASSERT_NOT_REACHED();
return nullptr;
}

8
LibC/stdio.cpp
View file

@ -401,7 +401,7 @@ FILE* freopen(const char* pathname, const char* mode, FILE* stream)
(void)pathname;
(void)mode;
(void)stream;
assert(false);
ASSERT_NOT_REACHED();
}
FILE* fdopen(int fd, const char* mode)
@ -429,19 +429,19 @@ int rename(const char* oldpath, const char* newpath)
char* tmpnam(char*)
{
assert(false);
ASSERT_NOT_REACHED();
}
FILE* popen(const char* command, const char* type)
{
(void)command;
(void)type;
assert(false);
ASSERT_NOT_REACHED();
}
int pclose(FILE*)
{
assert(false);
ASSERT_NOT_REACHED();
}
int remove(const char* pathname)

12
LibC/stdlib.cpp
View file

@ -63,7 +63,7 @@ void* malloc(size_t size)
if (s_malloc_sum_free < real_size) {
fprintf(stderr, "malloc(): Out of memory\ns_malloc_sum_free=%u, real_size=%u\n", s_malloc_sum_free, real_size);
assert(false);
ASSERT_NOT_REACHED();
}
size_t chunks_needed = real_size / CHUNK_SIZE;
@ -183,7 +183,7 @@ void exit(int status)
extern void _fini();
_fini();
_exit(status);
assert(false);
ASSERT_NOT_REACHED();
}
int atexit(void (*handler)())
@ -271,7 +271,7 @@ double strtod(const char* str, char** endptr)
(void)str;
(void)endptr;
dbgprintf("LibC: strtod: '%s'\n", str);
assert(false);
ASSERT_NOT_REACHED();
}
float strtof(const char* str, char** endptr)
@ -279,13 +279,13 @@ float strtof(const char* str, char** endptr)
(void)str;
(void)endptr;
dbgprintf("LibC: strtof: '%s'\n", str);
assert(false);
ASSERT_NOT_REACHED();
}
double atof(const char* str)
{
dbgprintf("LibC: atof: '%s'\n", str);
assert(false);
ASSERT_NOT_REACHED();
}
int atoi(const char* str)
@ -417,7 +417,7 @@ ldiv_t ldiv(long numerator, long denominator)
size_t mbstowcs(wchar_t*, const char*, size_t)
{
assert(false);
ASSERT_NOT_REACHED();
}
long strtol(const char* str, char** endptr, int base)

2
LibC/string.cpp
View file

@ -366,7 +366,7 @@ char *strtok(char* str, const char* delim)
{
(void)str;
(void)delim;
assert(false);
ASSERT_NOT_REACHED();
}
}

2
LibC/sys/wait.cpp
View file

@ -6,7 +6,7 @@ extern "C" {
pid_t wait(int* wstatus)
{
(void)wstatus;
assert(false);
ASSERT_NOT_REACHED();
}
}

4
LibC/termcap.cpp
View file

@ -107,7 +107,7 @@ int tgetnum(const char* id)
auto it = caps->find(id);
if (it != caps->end())
return atoi((*it).value);
assert(false);
ASSERT_NOT_REACHED();
}
char* tgoto(const char* cap, int col, int row)
@ -115,7 +115,7 @@ char* tgoto(const char* cap, int col, int row)
(void)cap;
(void)col;
(void)row;
assert(false);
ASSERT_NOT_REACHED();
}
int tputs(const char* str, int affcnt, int (*putc)(int))

4
LibC/termios.cpp
View file

@ -29,14 +29,14 @@ int tcflow(int fd, int action)
{
(void) fd;
(void) action;
assert(false);
ASSERT_NOT_REACHED();
}
int tcflush(int fd, int queue_selector)
{
(void)fd;
(void)queue_selector;
assert(false);
ASSERT_NOT_REACHED();
}
speed_t cfgetispeed(const struct termios* tp)

6
LibC/time.cpp
View file

@ -92,12 +92,12 @@ struct tm* gmtime(const time_t* t)
char *asctime(const struct tm*)
{
assert(false);
ASSERT_NOT_REACHED();
}
size_t strftime(char*, size_t, const char*, const struct tm*)
{
assert(false);
ASSERT_NOT_REACHED();
}
long timezone;
@ -107,7 +107,7 @@ int daylight;
void tzset()
{
assert(false);
ASSERT_NOT_REACHED();
}
}

2
LibC/ulimit.cpp
View file

@ -7,7 +7,7 @@ long ulimit(int cmd, long newlimit)
{
(void) cmd;
(void) newlimit;
assert(false);
ASSERT_NOT_REACHED();
}
}

8
LibC/unistd.cpp
View file

@ -362,27 +362,27 @@ int access(const char* pathname, int mode)
int mknod(const char* pathname, mode_t, dev_t)
{
(void) pathname;
assert(false);
ASSERT_NOT_REACHED();
}
long fpathconf(int fd, int name)
{
(void) fd;
(void) name;
assert(false);
ASSERT_NOT_REACHED();
}
long pathconf(const char* path, int name)
{
(void) path;
(void) name;
assert(false);
ASSERT_NOT_REACHED();
}
void _exit(int status)
{
syscall(SC_exit, status);
assert(false);
ASSERT_NOT_REACHED();
}
void sync()

8
LibM/math.cpp
View file

@ -5,25 +5,25 @@ extern "C" {
double cos(double)
{
assert(false);
ASSERT_NOT_REACHED();
}
double sin(double)
{
assert(false);
ASSERT_NOT_REACHED();
}
double pow(double x, double y)
{
(void)x;
(void)y;
assert(false);
ASSERT_NOT_REACHED();
}
double ldexp(double, int exp)
{
(void)exp;
assert(false);
ASSERT_NOT_REACHED();
}
}

2
Makefile.common
View file

@ -11,10 +11,10 @@ INCLUDE_FLAGS = -I$(SERENITY_BASE_DIR) -I. -I$(SERENITY_BASE_DIR)/LibC -I$(SEREN
LDFLAGS = -L$(SERENITY_BASE_DIR)/LibC -L$(SERENITY_BASE_DIR)/LibCore -L$(SERENITY_BASE_DIR)/LibM -L$(SERENITY_BASE_DIR)/LibGUI -Wl,--gc-sections
CLANG_FLAGS = -Wconsumed -m32 -ffreestanding -march=i686
#SUGGEST_FLAGS = -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override #-Wsuggest-attribute=noreturn
DEFINES = -DSANITIZE_PTRS
CXXFLAGS = -MMD -MP $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(FLAVOR_FLAGS) $(ARCH_FLAGS) $(STANDARD_FLAGS) $(SUGGEST_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
#CXX = clang $(CLANG_FLAGS)
CXX = i686-pc-serenity-g++
LD = i686-pc-serenity-g++
AS = i686-pc-serenity-as
DEFINES = -DSANITIZE_PTRS -DDEBUG

2
Userland/sh.cpp
View file

@ -180,7 +180,7 @@ static int runcmd(char* cmd)
exit(1);
}
// We should never get here!
assert(false);
ASSERT_NOT_REACHED();
}
int wstatus = 0;