void
write_basic_trace_file (void)
{
int fd, int_x;
short short_x;
fd = start_trace_file ("basic.tf");
/* The next part of the file consists of newline-separated lines
defining status, tracepoints, etc. The section is terminated by
an empty line. */
/* Dump the size of the R (register) blocks in traceframes. */
snprintf (spbuf, sizeof spbuf, "R %x\n", 500 /* FIXME get from arch */);
write (fd, spbuf, strlen (spbuf));
/* Dump trace status, in the general form of the qTstatus reply. */
snprintf (spbuf, sizeof spbuf, "status 0;tstop:0;tframes:1;tcreated:1;tfree:100;tsize:1000\n");
write (fd, spbuf, strlen (spbuf));
/* Dump tracepoint definitions, in syntax similar to that used
for reconnection uploads. */
/* FIXME need a portable way to print function address in hex */
snprintf (spbuf, sizeof spbuf, "tp T1:%lx:E:0:0\n",
(long) &write_basic_trace_file);
write (fd, spbuf, strlen (spbuf));
/* (Note that we would only need actions defined if we wanted to
test tdump.) */
/* Empty line marks the end of the definition section. */
write (fd, "\n", 1);
/* Make up a simulated trace buffer. */
/* (Encapsulate better if we're going to do lots of this; note that
buffer endianness is the target program's enddianness.) */
trptr = trbuf;
short_x = 1;
memcpy (trptr, &short_x, 2);
trptr += 2;
tfsizeptr = trptr;
trptr += 4;
add_memory_block (&testglob, sizeof (testglob));
/* Divide a variable between two separate memory blocks. */
add_memory_block (&testglob2, 1);
add_memory_block (((char*) &testglob2) + 1, sizeof (testglob2) - 1);
/* Go back and patch in the frame size. */
int_x = trptr - tfsizeptr - sizeof (int);
memcpy (tfsizeptr, &int_x, 4);
/* Write end of tracebuffer marker. */
memset (trptr, 0, 6);
trptr += 6;
write (fd, trbuf, trptr - trbuf);
finish_trace_file (fd);
}
/*
* Initialize the sysfs support for memory devices...
*/
int __init memory_dev_init(void)
{
unsigned int i;
int ret;
int err;
unsigned long block_sz;
ret = subsys_system_register(&memory_subsys, memory_root_attr_groups);
if (ret)
goto out;
block_sz = get_memory_block_size();
sections_per_block = block_sz / MIN_MEMORY_BLOCK_SIZE;
/*
* Create entries for memory sections that were found
* during boot and have been initialized
*/
mutex_lock(&mem_sysfs_mutex);
for (i = 0; i < NR_MEM_SECTIONS; i += sections_per_block) {
err = add_memory_block(i);
if (!ret)
ret = err;
}
mutex_unlock(&mem_sysfs_mutex);
out:
if (ret)
printk(KERN_ERR "%s() failed: %d\n", __func__, ret);
return ret;
}
/******************************************************************
* dump_threads
*
* Dumps into File the information about running threads
*/
static void dump_threads(struct dump_context* dc)
{
MINIDUMP_THREAD mdThd;
MINIDUMP_THREAD_LIST mdThdList;
unsigned i;
RVA rva_base;
DWORD flags_out;
CONTEXT ctx;
mdThdList.NumberOfThreads = 0;
rva_base = dc->rva;
dc->rva += sizeof(mdThdList.NumberOfThreads) +
dc->spi->dwThreadCount * sizeof(mdThd);
for (i = 0; i < dc->spi->dwThreadCount; i++)
{
fetch_thread_info(dc, i, &mdThd, &ctx);
flags_out = ThreadWriteThread | ThreadWriteStack | ThreadWriteContext |
ThreadWriteInstructionWindow;
if (dc->type & MiniDumpWithProcessThreadData)
flags_out |= ThreadWriteThreadData;
if (dc->type & MiniDumpWithThreadInfo)
flags_out |= ThreadWriteThreadInfo;
if (dc->cb)
{
MINIDUMP_CALLBACK_INPUT cbin;
MINIDUMP_CALLBACK_OUTPUT cbout;
cbin.ProcessId = dc->pid;
cbin.ProcessHandle = dc->hProcess;
cbin.CallbackType = ThreadCallback;
cbin.u.Thread.ThreadId = dc->spi->ti[i].dwThreadID;
cbin.u.Thread.ThreadHandle = 0; /* FIXME */
memcpy(&cbin.u.Thread.Context, &ctx, sizeof(CONTEXT));
cbin.u.Thread.SizeOfContext = sizeof(CONTEXT);
cbin.u.Thread.StackBase = mdThd.Stack.StartOfMemoryRange;
cbin.u.Thread.StackEnd = mdThd.Stack.StartOfMemoryRange +
mdThd.Stack.Memory.DataSize;
cbout.u.ThreadWriteFlags = flags_out;
if (!dc->cb->CallbackRoutine(dc->cb->CallbackParam, &cbin, &cbout))
continue;
flags_out &= cbout.u.ThreadWriteFlags;
}
if (flags_out & ThreadWriteThread)
{
if (ctx.ContextFlags && (flags_out & ThreadWriteContext))
{
mdThd.ThreadContext.Rva = dc->rva;
mdThd.ThreadContext.DataSize = sizeof(CONTEXT);
append(dc, &ctx, sizeof(CONTEXT));
}
if (mdThd.Stack.Memory.DataSize && (flags_out & ThreadWriteStack))
{
add_memory_block(dc, mdThd.Stack.StartOfMemoryRange,
mdThd.Stack.Memory.DataSize,
rva_base + sizeof(mdThdList.NumberOfThreads) +
mdThdList.NumberOfThreads * sizeof(mdThd) +
FIELD_OFFSET(MINIDUMP_THREAD, Stack.Memory.Rva));
}
writeat(dc,
rva_base + sizeof(mdThdList.NumberOfThreads) +
mdThdList.NumberOfThreads * sizeof(mdThd),
&mdThd, sizeof(mdThd));
mdThdList.NumberOfThreads++;
}
if (ctx.ContextFlags && (flags_out & ThreadWriteInstructionWindow))
{
/* FIXME: - Native dbghelp also dumps 0x80 bytes around EIP
* - also crop values across module boundaries,
* - and don't make it i386 dependent
*/
/* add_memory_block(dc, ctx.Eip - 0x80, ctx.Eip + 0x80, 0); */
}
}
writeat(dc, rva_base,
&mdThdList.NumberOfThreads, sizeof(mdThdList.NumberOfThreads));
}
