PreSyscall(uint32 syscall, const void* parameters)
:
fSyscall(syscall),
fParameters(NULL)
{
if (syscall < (uint32)kSyscallCount) {
fParameters = alloc_tracing_buffer_memcpy(parameters,
kSyscallInfos[syscall].parameter_size, false);
// copy string parameters, if any
if (fParameters != NULL && syscall != SYSCALL_KTRACE_OUTPUT) {
int32 stringIndex = 0;
const extended_syscall_info& syscallInfo
= kExtendedSyscallInfos[fSyscall];
for (int i = 0; i < syscallInfo.parameter_count; i++) {
const syscall_parameter_info& paramInfo
= syscallInfo.parameters[i];
if (paramInfo.type != B_STRING_TYPE)
continue;
const uint8* data
= (uint8*)fParameters + paramInfo.offset;
if (stringIndex < MAX_PARAM_STRINGS) {
fParameterStrings[stringIndex++]
= alloc_tracing_buffer_strcpy(
*(const char**)data, 64, true);
}
}
}
}
Initialized();
}
UserTraceEntry(const char* message)
{
fMessage = alloc_tracing_buffer_strcpy(message, 256, true);
#if KTRACE_PRINTF_STACK_TRACE
fStackTrace = capture_tracing_stack_trace(
KTRACE_PRINTF_STACK_TRACE, 1, false);
#endif
Initialized();
}
Create(port_entry& port)
:
fID(port.id),
fOwner(port.owner),
fCapacity(port.capacity)
{
fName = alloc_tracing_buffer_strcpy(port.lock.name, B_OS_NAME_LENGTH,
false);
Initialized();
}
Create(const char* name, size_t objectSize, size_t alignment,
size_t maxByteUsage, uint32 flags, void* cookie,
ObjectCache* cache)
:
ObjectCacheTraceEntry(cache),
fObjectSize(objectSize),
fAlignment(alignment),
fMaxByteUsage(maxByteUsage),
fFlags(flags),
fCookie(cookie)
{
fName = alloc_tracing_buffer_strcpy(name, 64, false);
Initialized();
}
