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/* strace.cc: system/windows tracing
Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <stdlib.h>
#include <time.h>
#include <wingdi.h>
#include <winuser.h>
#include <ctype.h>
#define PROTECT(x) x[sizeof(x)-1] = 0
#define CHECK(x) if (x[sizeof(x)-1] != 0) { small_printf("array bound exceeded %d\n", __LINE__); ExitProcess(1); }
class strace NO_COPY strace;
/* 'twould be nice to declare this in winsup.h but winsup.h doesn't require
stdarg.h, so we declare it here instead. */
#ifndef NOSTRACE
int
strace::microseconds()
{
static int first_microsec = 0;
static long long hires_frequency = 0;
static int hires_initted = 0;
int microsec;
if (!hires_initted)
{
hires_initted = 1;
QueryPerformanceFrequency ((LARGE_INTEGER *) &hires_frequency);
if (hires_frequency == 0)
hires_initted = 2;
}
if (hires_initted == 2)
{
int count = GetTickCount ();
microsec = count * 1000;
}
else
{
long long thiscount;
QueryPerformanceCounter ((LARGE_INTEGER *) &thiscount);
thiscount = (long long) (((double) thiscount/(double) hires_frequency)
* 1000000.0);
microsec = thiscount;
}
if (first_microsec == 0)
first_microsec = microsec;
return microsec - first_microsec;
}
static int __stdcall
getfunc (char *in_dst, const char *func)
{
const char *p;
const char *pe;
char *dst = in_dst;
for (p = func; (pe = strchr (p, '(')); p = pe + 1)
if (isalnum ((int)pe[-1]) || pe[-1] == '_')
break;
else if (isspace((int)pe[-1]))
{
pe--;
break;
}
if (!pe)
pe = strchr (func, '\0');
for (p = pe; p > func; p--)
if (p != pe && *p == ' ')
{
p++;
break;
}
if (*p == '*')
p++;
while (p < pe)
*dst++ = *p++;
*dst++ = ':';
*dst++ = ' ';
*dst = '\0';
return dst - in_dst;
}
/* sprintf analog for use by output routines. */
int
strace::vsprntf (char *buf, const char *func, const char *infmt, va_list ap)
{
int count;
char fmt[80];
static int nonewline = FALSE;
DWORD err = GetLastError ();
const char *tn = threadname (0);
int microsec = microseconds ();
lmicrosec = microsec;
__small_sprintf (fmt, "%7d [%s] %s ", microsec, tn, "%s %d%s");
SetLastError (err);
if (nonewline)
count = 0;
else
{
char *p, progname[sizeof (myself->progname)];
if ((p = strrchr (myself->progname, '\\')) != NULL)
p++;
else
p = myself->progname;
strcpy (progname, p);
if ((p = strrchr (progname, '.')) != NULL)
*p = '\000';
p = progname;
count = __small_sprintf (buf, fmt, p && *p ? p : "?",
myself->pid, hExeced ? "!" : "");
if (func)
count += getfunc (buf + count, func);
}
count += __small_vsprintf (buf + count, infmt, ap);
char *p;
for (p = buf + count; p > buf; p--)
switch (p[-1])
{
case '\n':
p[-1] = '\0';
break;
case '\b':
*--p = '\0';
nonewline = TRUE;
goto done;
default:
goto addnl;
}
addnl:
*p++ = '\n';
*p = '\0';
nonewline = FALSE;
done:
return p - buf;
}
/* Write to strace file or strace queue. */
void
strace::write (unsigned category, const char *buf, int count)
{
# define PREFIX (3 + 8 + 1 + 8 + 1)
char outbuf[PREFIX + 1 + count + 1];
# define outstuff (outbuf + 12)
__small_sprintf (outstuff, "%x %s", category, buf);
__small_sprintf (outbuf, "cYg%08x", strlen (outstuff) + 1);
outstuff[-1] = ' ';
OutputDebugString (outbuf);
}
/* Printf function used when tracing system calls.
Warning: DO NOT SET ERRNO HERE! */
void
strace::prntf (unsigned category, const char *func, const char *fmt, ...)
{
DWORD err = GetLastError ();
int count;
char buf[10000];
va_list ap;
PROTECT(buf);
SetLastError (err);
va_start (ap, fmt);
count = this->vsprntf (buf, func, fmt, ap);
CHECK(buf);
if (category & _STRACE_SYSTEM)
{
DWORD done;
WriteFile (GetStdHandle (STD_ERROR_HANDLE), buf, count, &done, 0);
FlushFileBuffers (GetStdHandle (STD_ERROR_HANDLE));
}
#ifndef NOSTRACE
if (active)
this->write (category, buf, count);
#endif
SetLastError (err);
}
void __stdcall
mark (const char *, int)
{
}
static const struct tab
{
int v;
const char *n;
}
ta[] =
{
{ WM_NULL, "WM_NULL" },
{ WM_CREATE, "WM_CREATE" },
{ WM_DESTROY, "WM_DESTROY" },
{ WM_MOVE, "WM_MOVE" },
{ WM_SIZE, "WM_SIZE" },
{ WM_ACTIVATE, "WM_ACTIVATE" },
{ WM_SETFOCUS, "WM_SETFOCUS" },
{ WM_KILLFOCUS, "WM_KILLFOCUS" },
{ WM_ENABLE, "WM_ENABLE" },
{ WM_SETREDRAW, "WM_SETREDRAW" },
{ WM_SETTEXT, "WM_SETTEXT" },
{ WM_GETTEXT, "WM_GETTEXT" },
{ WM_GETTEXTLENGTH, "WM_GETTEXTLENGTH" },
{ WM_PAINT, "WM_PAINT" },
{ WM_CLOSE, "WM_CLOSE" },
{ WM_QUERYENDSESSION, "WM_QUERYENDSESSION" },
{ WM_QUIT, "WM_QUIT" },
{ WM_QUERYOPEN, "WM_QUERYOPEN" },
{ WM_ERASEBKGND, "WM_ERASEBKGND" },
{ WM_SYSCOLORCHANGE, "WM_SYSCOLORCHANGE" },
{ WM_ENDSESSION, "WM_ENDSESSION" },
{ WM_SHOWWINDOW, "WM_SHOWWINDOW" },
{ WM_WININICHANGE, "WM_WININICHANGE" },
{ WM_DEVMODECHANGE, "WM_DEVMODECHANGE" },
{ WM_ACTIVATEAPP, "WM_ACTIVATEAPP" },
{ WM_FONTCHANGE, "WM_FONTCHANGE" },
{ WM_TIMECHANGE, "WM_TIMECHANGE" },
{ WM_CANCELMODE, "WM_CANCELMODE" },
{ WM_SETCURSOR, "WM_SETCURSOR" },
{ WM_MOUSEACTIVATE, "WM_MOUSEACTIVATE" },
{ WM_CHILDACTIVATE, "WM_CHILDACTIVATE" },
{ WM_QUEUESYNC, "WM_QUEUESYNC" },
{ WM_GETMINMAXINFO, "WM_GETMINMAXINFO" },
{ WM_PAINTICON, "WM_PAINTICON" },
{ WM_ICONERASEBKGND, "WM_ICONERASEBKGND" },
{ WM_NEXTDLGCTL, "WM_NEXTDLGCTL" },
{ WM_SPOOLERSTATUS, "WM_SPOOLERSTATUS" },
{ WM_DRAWITEM, "WM_DRAWITEM" },
{ WM_MEASUREITEM, "WM_MEASUREITEM" },
{ WM_DELETEITEM, "WM_DELETEITEM" },
{ WM_VKEYTOITEM, "WM_VKEYTOITEM" },
{ WM_CHARTOITEM, "WM_CHARTOITEM" },
{ WM_SETFONT, "WM_SETFONT" },
{ WM_GETFONT, "WM_GETFONT" },
{ WM_SETHOTKEY, "WM_SETHOTKEY" },
{ WM_GETHOTKEY, "WM_GETHOTKEY" },
{ WM_QUERYDRAGICON, "WM_QUERYDRAGICON" },
{ WM_COMPAREITEM, "WM_COMPAREITEM" },
{ WM_COMPACTING, "WM_COMPACTING" },
{ WM_WINDOWPOSCHANGING, "WM_WINDOWPOSCHANGING" },
{ WM_WINDOWPOSCHANGED, "WM_WINDOWPOSCHANGED" },
{ WM_POWER, "WM_POWER" },
{ WM_COPYDATA, "WM_COPYDATA" },
{ WM_CANCELJOURNAL, "WM_CANCELJOURNAL" },
{ WM_NCCREATE, "WM_NCCREATE" },
{ WM_NCDESTROY, "WM_NCDESTROY" },
{ WM_NCCALCSIZE, "WM_NCCALCSIZE" },
{ WM_NCHITTEST, "WM_NCHITTEST" },
{ WM_NCPAINT, "WM_NCPAINT" },
{ WM_NCACTIVATE, "WM_NCACTIVATE" },
{ WM_GETDLGCODE, "WM_GETDLGCODE" },
{ WM_NCMOUSEMOVE, "WM_NCMOUSEMOVE" },
{ WM_NCLBUTTONDOWN, "WM_NCLBUTTONDOWN" },
{ WM_NCLBUTTONUP, "WM_NCLBUTTONUP" },
{ WM_NCLBUTTONDBLCLK, "WM_NCLBUTTONDBLCLK" },
{ WM_NCRBUTTONDOWN, "WM_NCRBUTTONDOWN" },
{ WM_NCRBUTTONUP, "WM_NCRBUTTONUP" },
{ WM_NCRBUTTONDBLCLK, "WM_NCRBUTTONDBLCLK" },
{ WM_NCMBUTTONDOWN, "WM_NCMBUTTONDOWN" },
{ WM_NCMBUTTONUP, "WM_NCMBUTTONUP" },
{ WM_NCMBUTTONDBLCLK, "WM_NCMBUTTONDBLCLK" },
{ WM_KEYFIRST, "WM_KEYFIRST" },
{ WM_KEYDOWN, "WM_KEYDOWN" },
{ WM_KEYUP, "WM_KEYUP" },
{ WM_CHAR, "WM_CHAR" },
{ WM_DEADCHAR, "WM_DEADCHAR" },
{ WM_SYSKEYDOWN, "WM_SYSKEYDOWN" },
{ WM_SYSKEYUP, "WM_SYSKEYUP" },
{ WM_SYSCHAR, "WM_SYSCHAR" },
{ WM_SYSDEADCHAR, "WM_SYSDEADCHAR" },
{ WM_KEYLAST, "WM_KEYLAST" },
{ WM_INITDIALOG, "WM_INITDIALOG" },
{ WM_COMMAND, "WM_COMMAND" },
{ WM_SYSCOMMAND, "WM_SYSCOMMAND" },
{ WM_TIMER, "WM_TIMER" },
{ WM_HSCROLL, "WM_HSCROLL" },
{ WM_VSCROLL, "WM_VSCROLL" },
{ WM_INITMENU, "WM_INITMENU" },
{ WM_INITMENUPOPUP, "WM_INITMENUPOPUP" },
{ WM_MENUSELECT, "WM_MENUSELECT" },
{ WM_MENUCHAR, "WM_MENUCHAR" },
{ WM_ENTERIDLE, "WM_ENTERIDLE" },
{ WM_CTLCOLORMSGBOX, "WM_CTLCOLORMSGBOX" },
{ WM_CTLCOLOREDIT, "WM_CTLCOLOREDIT" },
{ WM_CTLCOLORLISTBOX, "WM_CTLCOLORLISTBOX" },
{ WM_CTLCOLORBTN, "WM_CTLCOLORBTN" },
{ WM_CTLCOLORDLG, "WM_CTLCOLORDLG" },
{ WM_CTLCOLORSCROLLBAR, "WM_CTLCOLORSCROLLBAR" },
{ WM_CTLCOLORSTATIC, "WM_CTLCOLORSTATIC" },
{ WM_MOUSEFIRST, "WM_MOUSEFIRST" },
{ WM_MOUSEMOVE, "WM_MOUSEMOVE" },
{ WM_LBUTTONDOWN, "WM_LBUTTONDOWN" },
{ WM_LBUTTONUP, "WM_LBUTTONUP" },
{ WM_LBUTTONDBLCLK, "WM_LBUTTONDBLCLK" },
{ WM_RBUTTONDOWN, "WM_RBUTTONDOWN" },
{ WM_RBUTTONUP, "WM_RBUTTONUP" },
{ WM_RBUTTONDBLCLK, "WM_RBUTTONDBLCLK" },
{ WM_MBUTTONDOWN, "WM_MBUTTONDOWN" },
{ WM_MBUTTONUP, "WM_MBUTTONUP" },
{ WM_MBUTTONDBLCLK, "WM_MBUTTONDBLCLK" },
{ WM_MOUSELAST, "WM_MOUSELAST" },
{ WM_PARENTNOTIFY, "WM_PARENTNOTIFY" },
{ WM_ENTERMENULOOP, "WM_ENTERMENULOOP" },
{ WM_EXITMENULOOP, "WM_EXITMENULOOP" },
{ WM_MDICREATE, "WM_MDICREATE" },
{ WM_MDIDESTROY, "WM_MDIDESTROY" },
{ WM_MDIACTIVATE, "WM_MDIACTIVATE" },
{ WM_MDIRESTORE, "WM_MDIRESTORE" },
{ WM_MDINEXT, "WM_MDINEXT" },
{ WM_MDIMAXIMIZE, "WM_MDIMAXIMIZE" },
{ WM_MDITILE, "WM_MDITILE" },
{ WM_MDICASCADE, "WM_MDICASCADE" },
{ WM_MDIICONARRANGE, "WM_MDIICONARRANGE" },
{ WM_MDIGETACTIVE, "WM_MDIGETACTIVE" },
{ WM_MDISETMENU, "WM_MDISETMENU" },
{ WM_DROPFILES, "WM_DROPFILES" },
{ WM_MDIREFRESHMENU, "WM_MDIREFRESHMENU" },
{ WM_CUT, "WM_CUT" },
{ WM_COPY, "WM_COPY" },
{ WM_PASTE, "WM_PASTE" },
{ WM_CLEAR, "WM_CLEAR" },
{ WM_UNDO, "WM_UNDO" },
{ WM_RENDERFORMAT, "WM_RENDERFORMAT" },
{ WM_RENDERALLFORMATS, "WM_RENDERALLFORMATS" },
{ WM_DESTROYCLIPBOARD, "WM_DESTROYCLIPBOARD" },
{ WM_DRAWCLIPBOARD, "WM_DRAWCLIPBOARD" },
{ WM_PAINTCLIPBOARD, "WM_PAINTCLIPBOARD" },
{ WM_VSCROLLCLIPBOARD, "WM_VSCROLLCLIPBOARD" },
{ WM_SIZECLIPBOARD, "WM_SIZECLIPBOARD" },
{ WM_ASKCBFORMATNAME, "WM_ASKCBFORMATNAME" },
{ WM_CHANGECBCHAIN, "WM_CHANGECBCHAIN" },
{ WM_HSCROLLCLIPBOARD, "WM_HSCROLLCLIPBOARD" },
{ WM_QUERYNEWPALETTE, "WM_QUERYNEWPALETTE" },
{ WM_PALETTEISCHANGING, "WM_PALETTEISCHANGING" },
{ WM_PALETTECHANGED, "WM_PALETTECHANGED" },
{ WM_HOTKEY, "WM_HOTKEY" },
{ WM_PENWINFIRST, "WM_PENWINFIRST" },
{ WM_PENWINLAST, "WM_PENWINLAST" },
{ WM_ASYNCIO, "ASYNCIO" },
{ 0, 0 }};
void
strace::wm (int message, int word, int lon)
{
if (active)
{
int i;
for (i = 0; ta[i].n; i++)
{
if (ta[i].v == message)
{
this->prntf (_STRACE_WM, NULL, "wndproc %d %s %d %d", message, ta[i].n, word, lon);
return;
}
}
this->prntf (_STRACE_WM, NULL, "wndproc %d unknown %d %d", message, word, lon);
}
}
#endif /*NOSTRACE*/
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