static void push_in_progress(ptr_t p)
{
if (n_in_progress >= in_progress_size) {
ptr_t * new_in_progress_space;
if (NULL == in_progress_space) {
in_progress_size = ROUNDUP_PAGESIZE_IF_MMAP(INITIAL_IN_PROGRESS
* sizeof(ptr_t))
/ sizeof(ptr_t);
new_in_progress_space =
(ptr_t *)GET_MEM(in_progress_size * sizeof(ptr_t));
} else {
in_progress_size *= 2;
new_in_progress_space = (ptr_t *)
GET_MEM(in_progress_size * sizeof(ptr_t));
if (new_in_progress_space != NULL)
BCOPY(in_progress_space, new_in_progress_space,
n_in_progress * sizeof(ptr_t));
}
GC_add_to_our_memory((ptr_t)new_in_progress_space,
in_progress_size * sizeof(ptr_t));
# ifndef GWW_VDB
GC_scratch_recycle_no_gww(in_progress_space,
n_in_progress * sizeof(ptr_t));
# elif defined(LINT2)
/* TODO: implement GWW-aware recycling as in alloc_mark_stack */
GC_noop1((word)in_progress_space);
# endif
in_progress_space = new_in_progress_space;
}
if (in_progress_space == 0)
ABORT("MAKE_BACK_GRAPH: Out of in-progress space: "
"Huge linear data structure?");
in_progress_space[n_in_progress++] = p;
}
/* ctxt is either a pointer to a ucontext_t we generated, or NULL. */
void GC_with_callee_saves_pushed(void (*fn)(ptr_t, void *),
ptr_t arg)
{
word dummy;
void * context = 0;
# if defined(HAVE_PUSH_REGS)
GC_push_regs();
# elif defined(UNIX_LIKE) && !defined(DARWIN) && !defined(ARM32)
/* Older versions of Darwin seem to lack getcontext(). */
/* ARM Linux often doesn't support a real getcontext(). */
ucontext_t ctxt;
if (getcontext(&ctxt) < 0)
ABORT ("Getcontext failed: Use another register retrieval method?");
context = &ctxt;
# if defined(SPARC) || defined(IA64)
/* On a register window machine, we need to save register */
/* contents on the stack for this to work. This may already be */
/* subsumed by the getcontext() call. */
{
GC_save_regs_ret_val = GC_save_regs_in_stack();
}
# endif /* register windows. */
# elif defined(HAVE_BUILTIN_UNWIND_INIT)
/* This was suggested by Richard Henderson as the way to */
/* force callee-save registers and register windows onto */
/* the stack. */
__builtin_unwind_init();
# else /* !HAVE_BUILTIN_UNWIND_INIT && !UNIX_LIKE */
/* && !HAVE_PUSH_REGS */
/* Generic code */
/* The idea is due to Parag Patel at HP. */
/* We're not sure whether he would like */
/* to be he acknowledged for it or not. */
jmp_buf regs;
register word * i = (word *) regs;
register ptr_t lim = (ptr_t)(regs) + (sizeof regs);
/* Setjmp doesn't always clear all of the buffer. */
/* That tends to preserve garbage. Clear it. */
for (; (char *)i < lim; i++) {
*i = 0;
}
# if defined(MSWIN32) || defined(MSWINCE) \
|| defined(UTS4) || defined(LINUX) || defined(EWS4800)
(void) setjmp(regs);
# else
(void) _setjmp(regs);
/* We don't want to mess with signals. According to */
/* SUSV3, setjmp() may or may not save signal mask. */
/* _setjmp won't, but is less portable. */
# endif
# endif /* !HAVE_PUSH_REGS ... */
fn(arg, context);
/* Strongly discourage the compiler from treating the above */
/* as a tail-call, since that would pop the register */
/* contents before we get a chance to look at them. */
GC_noop1((word)(&dummy));
}
int APIENTRY WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR command_line, int nCmdShow)
{
MSG msg;
WNDCLASS wndclass;
HACCEL hAccel;
GC_set_find_leak(0);
GC_INIT();
# ifndef NO_INCREMENTAL
GC_enable_incremental();
# endif
# if defined(CPPCHECK)
GC_noop1((GC_word)&WinMain);
# endif
if (!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = DLGWINDOWEXTRA;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (hInstance, szAppName);
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = TEXT("DE");
wndclass.lpszClassName = szAppName;
if (RegisterClass (&wndclass) == 0) {
de_error("RegisterClass error");
return(0);
}
}
/* Empirically, the command line does not include the command name ...
if (command_line != 0) {
while (isspace(*command_line)) command_line++;
while (*command_line != 0 && !isspace(*command_line)) command_line++;
while (isspace(*command_line)) command_line++;
} */
if (command_line == 0 || *command_line == 0) {
de_error("File name argument required");
return( 0 );
} else {
char *p = command_line;
while (*p != 0 && !isspace(*(unsigned char *)p))
p++;
arg_file_name = CORD_to_char_star(
CORD_substr(command_line, 0, p - command_line));
}
hwnd = CreateWindow (szAppName,
TEXT("Demonstration Editor"),
WS_OVERLAPPEDWINDOW | WS_CAPTION, /* Window style */
CW_USEDEFAULT, 0, /* default pos. */
CW_USEDEFAULT, 0, /* default width, height */
NULL, /* No parent */
NULL, /* Window class menu */
hInstance, NULL);
if (hwnd == NULL) {
de_error("CreateWindow error");
return(0);
}
ShowWindow (hwnd, nCmdShow);
hAccel = LoadAccelerators( hInstance, szAppName );
while (GetMessage (&msg, NULL, 0, 0))
{
if( !TranslateAccelerator( hwnd, hAccel, &msg ) )
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
return (int)msg.wParam;
}
