int
main ()
{
/* Test whether the OS handles some faults by itself. */
if (open (null_pointer, O_RDONLY) != -1 || errno != EFAULT)
{
fprintf (stderr, "EFAULT not detected alone.\n");
exit (1);
}
/* Install the SIGSEGV handler. */
if (sigsegv_install_handler (&handler) < 0)
exit (2);
/* Test that the library does not interfere with OS faults. */
if (open (null_pointer, O_RDONLY) != -1 || errno != EFAULT)
{
fprintf (stderr, "EFAULT not detected with handler.\n");
exit (1);
}
/* Test passed! */
printf ("Test passed.\n");
return 0;
}
int main(int argc, char *argv[])
{
int ret;
ret = stackoverflow_install_handler(overflow_handler,
alternate_signal_stack.buffer, sizeof alternate_signal_stack.buffer);
if (ret)
err("stackoverflow_install_handler() failed");
ret = sigsegv_install_handler(segv_handler);
if (ret)
err("sigsegv_install_handler() failed");
WRITE("starting overflow ... ");
recursive(argc);
return 0;
}
int main(int argc, void* argv)
{
sigset_t emptyset;
// sigsegv_init(&ss_dispatcher);
sigsegv_install_handler(ss_handler);
/* Save the current signal mask. */
sigemptyset (&emptyset);
sigprocmask (SIG_BLOCK, &emptyset, &mainsigset);
enable_memory_block(&Vm_image_start, &Vm_image_end);
process_opts(argc,argv);
install_exception_handler(kernel_exception_handler);
if ( opts.image_file != 0 )
load_image(opts.image_file);
run_repl();
return 0;
}
//volatile void *thread_stacks[THREAD_STACKS];
//volatile int
void _init_thread_context(unsigned int id,
struct hashtable *h){
memset(&_thread_key,0,sizeof(struct _ThreadKey)); // create hashtable if there is not one specified
/* if(!h) { // main thread
int i;
for(i=0;i< THREAD_STACKS;i++) {
thread_stacks[i] = 0;
}
}*/
_thread_key.h = h?h:create_hashtable(25);
_thread_key.tid = id;
// install stack overflow handler
/* if(stackoverflow_install_handler
(&_exn_stackoverflow_handler,
__backup__stack,BACKUP_STK_SZ) < 0)
errquit("Could not install stack handler");*/
// instacl seg fault handler
sigsegv_install_handler(&_exn_segv_handler);
}
int main(int argc, char **argv)
{
char str[256];
int16 i16;
HANDLE rom_fh;
const char *rom_path;
uint32 rom_size;
DWORD actual;
uint8 *rom_tmp;
// Initialize variables
RAMBase = 0;
// Print some info
printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
printf(" %s\n", GetString(STR_ABOUT_TEXT2));
// Read preferences
PrefsInit(NULL, argc, argv);
// Parse command line arguments
for (int i=1; i<argc; i++) {
if (strcmp(argv[i], "--help") == 0) {
usage(argv[0]);
} else if (argv[i][0] == '-') {
fprintf(stderr, "Unrecognized option '%s'\n", argv[i]);
usage(argv[0]);
}
}
// Check we are using a Windows NT kernel >= 4.0
OSVERSIONINFO osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (!GetVersionEx(&osvi)) {
ErrorAlert("Could not determine OS type");
QuitEmulator();
}
win_os = osvi.dwPlatformId;
win_os_major = osvi.dwMajorVersion;
if (win_os != VER_PLATFORM_WIN32_NT || win_os_major < 4) {
ErrorAlert(GetString(STR_NO_WIN32_NT_4));
QuitEmulator();
}
// Check that drivers are installed
if (!check_drivers())
QuitEmulator();
// Load win32 libraries
KernelInit();
// FIXME: default to DIB driver
if (getenv("SDL_VIDEODRIVER") == NULL)
putenv("SDL_VIDEODRIVER=windib");
// Initialize SDL system
int sdl_flags = 0;
#ifdef USE_SDL_VIDEO
sdl_flags |= SDL_INIT_VIDEO;
#endif
#ifdef USE_SDL_AUDIO
sdl_flags |= SDL_INIT_AUDIO;
#endif
assert(sdl_flags != 0);
if (SDL_Init(sdl_flags) == -1) {
char str[256];
sprintf(str, "Could not initialize SDL: %s.\n", SDL_GetError());
ErrorAlert(str);
goto quit;
}
atexit(SDL_Quit);
#ifdef ENABLE_MON
// Initialize mon
mon_init();
#endif
// Install SIGSEGV handler for CPU emulator
if (!sigsegv_install_handler(sigsegv_handler)) {
sprintf(str, GetString(STR_SIGSEGV_INSTALL_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
// Initialize VM system
vm_init();
// Get system info
PVR = 0x00040000; // Default: 604
CPUClockSpeed = 100000000; // Default: 100MHz
BusClockSpeed = 100000000; // Default: 100MHz
TimebaseSpeed = 25000000; // Default: 25MHz
PVR = 0x000c0000; // Default: 7400 (with AltiVec)
D(bug("PVR: %08x (assumed)\n", PVR));
// Init system routines
SysInit();
// Show preferences editor
if (!PrefsFindBool("nogui"))
if (!PrefsEditor())
goto quit;
// Create areas for Kernel Data
if (!kernel_data_init())
goto quit;
kernel_data = (KernelData *)Mac2HostAddr(KERNEL_DATA_BASE);
emulator_data = &kernel_data->ed;
KernelDataAddr = KERNEL_DATA_BASE;
D(bug("Kernel Data at %p (%08x)\n", kernel_data, KERNEL_DATA_BASE));
D(bug("Emulator Data at %p (%08x)\n", emulator_data, KERNEL_DATA_BASE + offsetof(KernelData, ed)));
// Create area for DR Cache
if (vm_mac_acquire(DR_EMULATOR_BASE, DR_EMULATOR_SIZE) < 0) {
sprintf(str, GetString(STR_DR_EMULATOR_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
dr_emulator_area_mapped = true;
if (vm_mac_acquire(DR_CACHE_BASE, DR_CACHE_SIZE) < 0) {
sprintf(str, GetString(STR_DR_CACHE_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
dr_cache_area_mapped = true;
DRCacheAddr = (uint32)Mac2HostAddr(DR_CACHE_BASE);
D(bug("DR Cache at %p (%08x)\n", DRCacheAddr, DR_CACHE_BASE));
// Create area for SheepShaver data
if (!SheepMem::Init()) {
sprintf(str, GetString(STR_SHEEP_MEM_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
// Create area for Mac ROM
if (vm_mac_acquire(ROM_BASE, ROM_AREA_SIZE) < 0) {
sprintf(str, GetString(STR_ROM_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
ROMBase = ROM_BASE;
ROMBaseHost = Mac2HostAddr(ROMBase);
rom_area_mapped = true;
D(bug("ROM area at %p (%08x)\n", ROMBaseHost, ROMBase));
// Create area for Mac RAM
RAMSize = PrefsFindInt32("ramsize");
if (RAMSize < 8*1024*1024) {
WarningAlert(GetString(STR_SMALL_RAM_WARN));
RAMSize = 8*1024*1024;
}
RAMBase = 0;
if (vm_mac_acquire(RAMBase, RAMSize) < 0) {
sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
RAMBaseHost = Mac2HostAddr(RAMBase);
ram_area_mapped = true;
D(bug("RAM area at %p (%08x)\n", RAMBaseHost, RAMBase));
if (RAMBase > ROMBase) {
ErrorAlert(GetString(STR_RAM_HIGHER_THAN_ROM_ERR));
goto quit;
}
// Load Mac ROM
rom_path = PrefsFindString("rom");
rom_fh = CreateFile(rom_path && *rom_path ? rom_path : ROM_FILE_NAME,
GENERIC_READ, 0, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (rom_fh == INVALID_HANDLE_VALUE) {
rom_fh = CreateFile(ROM_FILE_NAME2,
GENERIC_READ, 0, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (rom_fh == INVALID_HANDLE_VALUE) {
ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
goto quit;
}
}
printf(GetString(STR_READING_ROM_FILE));
rom_size = GetFileSize(rom_fh, NULL);
rom_tmp = new uint8[ROM_SIZE];
ReadFile(rom_fh, (void *)rom_tmp, ROM_SIZE, &actual, NULL);
CloseHandle(rom_fh);
// Decode Mac ROM
if (!DecodeROM(rom_tmp, actual)) {
if (rom_size != 4*1024*1024) {
ErrorAlert(GetString(STR_ROM_SIZE_ERR));
goto quit;
} else {
ErrorAlert(GetString(STR_ROM_FILE_READ_ERR));
goto quit;
}
}
delete[] rom_tmp;
// Initialize native timers
timer_init();
// Initialize everything
if (!InitAll(NULL))
goto quit;
D(bug("Initialization complete\n"));
// Write protect ROM
vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ);
// Start 60Hz thread
tick_thread_cancel = false;
tick_thread_active = ((tick_thread = create_thread(tick_func)) != NULL);
SetThreadPriority(tick_thread, THREAD_PRIORITY_ABOVE_NORMAL);
D(bug("Tick thread installed (%ld)\n", tick_thread));
// Start NVRAM watchdog thread
memcpy(last_xpram, XPRAM, XPRAM_SIZE);
nvram_thread_cancel = false;
nvram_thread_active = ((nvram_thread = create_thread(nvram_func, NULL)) != NULL);
SetThreadPriority(nvram_thread, THREAD_PRIORITY_BELOW_NORMAL);
D(bug("NVRAM thread installed (%ld)\n", nvram_thread));
// Get my thread ID and jump to ROM boot routine
emul_thread = GetCurrentThread();
D(bug("Jumping to ROM\n"));
#ifdef _MSC_VER
__try {
#endif
jump_to_rom(ROMBase + 0x310000);
#ifdef _MSC_VER
} __except (main_exception_filter(GetExceptionInformation())) {}
#endif
D(bug("Returned from ROM\n"));
quit:
Quit();
return 0;
}
int
main(int argc, char **argv)
{
/*
* The + on the front tells GNU getopt not to rearrange argv.
*/
const char *optlist = "+F:f:v:W;m:bcCd::D::e:E:gh:i:l:L:nNo::Op::MPrStVY";
bool stopped_early = false;
int old_optind;
int i;
int c;
char *scan, *src;
char *extra_stack;
int have_srcfile = 0;
SRCFILE *s;
/* do these checks early */
if (getenv("TIDYMEM") != NULL)
do_flags |= DO_TIDY_MEM;
#ifdef HAVE_MCHECK_H
#ifdef HAVE_MTRACE
if (do_tidy_mem)
mtrace();
#endif /* HAVE_MTRACE */
#endif /* HAVE_MCHECK_H */
#if defined(LC_CTYPE)
setlocale(LC_CTYPE, "");
#endif
#if defined(LC_COLLATE)
setlocale(LC_COLLATE, "");
#endif
#if defined(LC_MESSAGES)
setlocale(LC_MESSAGES, "");
#endif
#if defined(LC_NUMERIC) && defined(HAVE_LOCALE_H)
/*
* Force the issue here. According to POSIX 2001, decimal
* point is used for parsing source code and for command-line
* assignments and the locale value for processing input,
* number to string conversion, and printing output.
*
* 10/2005 --- see below also; we now only use the locale's
* decimal point if do_posix in effect.
*
* 9/2007:
* This is a mess. We need to get the locale's numeric info for
* the thousands separator for the %'d flag.
*/
setlocale(LC_NUMERIC, "");
init_locale(& loc);
setlocale(LC_NUMERIC, "C");
#endif
#if defined(LC_TIME)
setlocale(LC_TIME, "");
#endif
#if MBS_SUPPORT
/*
* In glibc, MB_CUR_MAX is actually a function. This value is
* tested *a lot* in many speed-critical places in gawk. Caching
* this value once makes a speed difference.
*/
gawk_mb_cur_max = MB_CUR_MAX;
/* Without MBS_SUPPORT, gawk_mb_cur_max is 1. */
/* init the cache for checking bytes if they're characters */
init_btowc_cache();
#endif
(void) bindtextdomain(PACKAGE, LOCALEDIR);
(void) textdomain(PACKAGE);
(void) signal(SIGFPE, catchsig);
#ifdef SIGBUS
(void) signal(SIGBUS, catchsig);
#endif
(void) sigsegv_install_handler(catchsegv);
#define STACK_SIZE (16*1024)
emalloc(extra_stack, char *, STACK_SIZE, "main");
(void) stackoverflow_install_handler(catchstackoverflow, extra_stack, STACK_SIZE);
#undef STACK_SIZE
myname = gawk_name(argv[0]);
os_arg_fixup(&argc, &argv); /* emulate redirection, expand wildcards */
if (argc < 2)
usage(EXIT_FAILURE, stderr);
/* initialize the null string */
Nnull_string = make_string("", 0);
/* Robustness: check that file descriptors 0, 1, 2 are open */
init_fds();
/* init array handling. */
array_init();
/* init the symbol tables */
init_symbol_table();
output_fp = stdout;
/* we do error messages ourselves on invalid options */
opterr = false;
/* copy argv before getopt gets to it; used to restart the debugger */
save_argv(argc, argv);
/* initialize global (main) execution context */
push_context(new_context());
/* option processing. ready, set, go! */
for (optopt = 0, old_optind = 1;
(c = getopt_long(argc, argv, optlist, optab, NULL)) != EOF;
optopt = 0, old_optind = optind) {
if (do_posix)
opterr = true;
switch (c) {
case 'F':
add_preassign(PRE_ASSIGN_FS, optarg);
break;
case 'E':
disallow_var_assigns = true;
/* fall through */
case 'f':
/*
* Allow multiple -f options.
* This makes function libraries real easy.
* Most of the magic is in the scanner.
*
* The following is to allow for whitespace at the end
* of a #! /bin/gawk line in an executable file
*/
scan = optarg;
if (argv[optind-1] != optarg)
while (isspace((unsigned char) *scan))
scan++;
src = (*scan == '\0' ? argv[optind++] : optarg);
(void) add_srcfile((src && src[0] == '-' && src[1] == '\0') ?
SRC_STDIN : SRC_FILE,
src, srcfiles, NULL, NULL);
break;
case 'v':
add_preassign(PRE_ASSIGN, optarg);
break;
case 'm':
/*
* BWK awk extension.
* -mf nnn set # fields, gawk ignores
* -mr nnn set record length, ditto
*
* As of at least 10/2007, BWK awk also ignores it.
*/
if (do_lint)
lintwarn(_("`-m[fr]' option irrelevant in gawk"));
if (optarg[0] != 'r' && optarg[0] != 'f')
warning(_("-m option usage: `-m[fr] nnn'"));
break;
case 'b':
do_binary = true;
break;
case 'c':
do_flags |= DO_TRADITIONAL;
break;
case 'C':
copyleft();
break;
case 'd':
do_flags |= DO_DUMP_VARS;
if (optarg != NULL && optarg[0] != '\0')
varfile = optarg;
break;
case 'D':
do_flags |= DO_DEBUG;
if (optarg != NULL && optarg[0] != '\0')
command_file = optarg;
break;
case 'e':
if (optarg[0] == '\0')
warning(_("empty argument to `-e/--source' ignored"));
else
(void) add_srcfile(SRC_CMDLINE, optarg, srcfiles, NULL, NULL);
break;
case 'g':
do_flags |= DO_INTL;
break;
case 'h':
/* write usage to stdout, per GNU coding stds */
usage(EXIT_SUCCESS, stdout);
break;
case 'i':
(void) add_srcfile(SRC_INC, optarg, srcfiles, NULL, NULL);
break;
case 'l':
(void) add_srcfile(SRC_EXTLIB, optarg, srcfiles, NULL, NULL);
break;
case 'L':
#ifndef NO_LINT
do_flags |= DO_LINT_ALL;
if (optarg != NULL) {
if (strcmp(optarg, "fatal") == 0)
lintfunc = r_fatal;
else if (strcmp(optarg, "invalid") == 0) {
do_flags &= ~DO_LINT_ALL;
do_flags |= DO_LINT_INVALID;
}
}
break;
case 't':
do_flags |= DO_LINT_OLD;
break;
#else
case 'L':
case 't':
break;
#endif
case 'n':
do_flags |= DO_NON_DEC_DATA;
break;
case 'N':
use_lc_numeric = true;
break;
case 'O':
do_optimize++;
break;
case 'p':
do_flags |= DO_PROFILE;
/* fall through */
case 'o':
do_flags |= DO_PRETTY_PRINT;
if (optarg != NULL)
set_prof_file(optarg);
else
set_prof_file(DEFAULT_PROFILE);
break;
case 'M':
#ifdef HAVE_MPFR
do_flags |= DO_MPFR;
#endif
break;
case 'P':
do_flags |= DO_POSIX;
break;
case 'r':
do_flags |= DO_INTERVALS;
break;
case 'S':
do_flags |= DO_SANDBOX;
break;
case 'V':
do_version = true;
break;
case 'W': /* gawk specific options - now in getopt_long */
fprintf(stderr, _("%s: option `-W %s' unrecognized, ignored\n"),
argv[0], optarg);
break;
case 0:
/*
* getopt_long found an option that sets a variable
* instead of returning a letter. Do nothing, just
* cycle around for the next one.
*/
break;
case 'Y':
#if defined(YYDEBUG) || defined(GAWKDEBUG)
if (c == 'Y') {
yydebug = 2;
break;
}
#endif
/* if not debugging, fall through */
case '?':
default:
/*
* If not posix, an unrecognized option stops argument
* processing so that it can go into ARGV for the awk
* program to see. This makes use of ``#! /bin/gawk -f''
* easier.
*
* However, it's never simple. If optopt is set,
* an option that requires an argument didn't get the
* argument. We care because if opterr is 0, then
* getopt_long won't print the error message for us.
*/
if (! do_posix
&& (optopt == '\0' || strchr(optlist, optopt) == NULL)) {
/*
* can't just do optind--. In case of an
* option with >= 2 letters, getopt_long
* won't have incremented optind.
*/
optind = old_optind;
stopped_early = true;
goto out;
} else if (optopt != '\0') {
/* Use POSIX required message format */
fprintf(stderr,
_("%s: option requires an argument -- %c\n"),
myname, optopt);
usage(EXIT_FAILURE, stderr);
}
/* else
let getopt print error message for us */
break;
}
if (c == 'E') /* --exec ends option processing */
break;
}
out:
if (do_nostalgia)
nostalgia();
/* check for POSIXLY_CORRECT environment variable */
if (! do_posix && getenv("POSIXLY_CORRECT") != NULL) {
do_flags |= DO_POSIX;
if (do_lint)
lintwarn(
_("environment variable `POSIXLY_CORRECT' set: turning on `--posix'"));
}
if (do_posix) {
use_lc_numeric = true;
if (do_traditional) /* both on command line */
warning(_("`--posix' overrides `--traditional'"));
else
do_flags |= DO_TRADITIONAL;
/*
* POSIX compliance also implies
* no GNU extensions either.
*/
}
if (do_traditional && do_non_decimal_data) {
do_flags &= ~DO_NON_DEC_DATA;
warning(_("`--posix'/`--traditional' overrides `--non-decimal-data'"));
}
if (do_lint && os_is_setuid())
warning(_("running %s setuid root may be a security problem"), myname);
#if MBS_SUPPORT
if (do_binary) {
if (do_posix)
warning(_("`--posix' overrides `--characters-as-bytes'"));
else
gawk_mb_cur_max = 1; /* hands off my data! */
#if defined(LC_ALL)
setlocale(LC_ALL, "C");
#endif
}
#endif
if (do_debug) /* Need to register the debugger pre-exec hook before any other */
init_debug();
#ifdef HAVE_MPFR
/* Set up MPFR defaults, and register pre-exec hook to process arithmetic opcodes */
if (do_mpfr)
init_mpfr(DEFAULT_PREC, DEFAULT_ROUNDMODE);
#endif
/* load group set */
init_groupset();
#ifdef HAVE_MPFR
if (do_mpfr) {
mpz_init(Nnull_string->mpg_i);
Nnull_string->flags = (MALLOC|STRCUR|STRING|MPZN|NUMCUR|NUMBER);
} else
#endif
{
Nnull_string->numbr = 0.0;
Nnull_string->flags = (MALLOC|STRCUR|STRING|NUMCUR|NUMBER);
}
/*
* Tell the regex routines how they should work.
* Do this before initializing variables, since
* they could want to do a regexp compile.
*/
resetup();
/* Set up the special variables */
init_vars();
/* Set up the field variables */
init_fields();
/* Now process the pre-assignments */
for (i = 0; i <= numassigns; i++) {
if (preassigns[i].type == PRE_ASSIGN)
(void) arg_assign(preassigns[i].val, true);
else /* PRE_ASSIGN_FS */
cmdline_fs(preassigns[i].val);
efree(preassigns[i].val);
}
if (preassigns != NULL)
efree(preassigns);
if ((BINMODE & 1) != 0)
if (os_setbinmode(fileno(stdin), O_BINARY) == -1)
fatal(_("can't set binary mode on stdin (%s)"), strerror(errno));
if ((BINMODE & 2) != 0) {
if (os_setbinmode(fileno(stdout), O_BINARY) == -1)
fatal(_("can't set binary mode on stdout (%s)"), strerror(errno));
if (os_setbinmode(fileno(stderr), O_BINARY) == -1)
fatal(_("can't set binary mode on stderr (%s)"), strerror(errno));
}
#ifdef GAWKDEBUG
setbuf(stdout, (char *) NULL); /* make debugging easier */
#endif
if (os_isatty(fileno(stdout)))
output_is_tty = true;
/* initialize API before loading extension libraries */
init_ext_api();
/* load extension libs */
for (s = srcfiles->next; s != srcfiles; s = s->next) {
if (s->stype == SRC_EXTLIB)
load_ext(s->fullpath);
else if (s->stype != SRC_INC)
have_srcfile++;
}
/* do version check after extensions are loaded to get extension info */
if (do_version)
version();
/* No -f or --source options, use next arg */
if (! have_srcfile) {
if (optind > argc - 1 || stopped_early) /* no args left or no program */
usage(EXIT_FAILURE, stderr);
(void) add_srcfile(SRC_CMDLINE, argv[optind], srcfiles, NULL, NULL);
optind++;
}
/* Select the interpreter routine */
init_interpret();
init_args(optind, argc,
do_posix ? argv[0] : myname,
argv);
#if defined(LC_NUMERIC)
/*
* FRAGILE! CAREFUL!
* Pre-initing the variables with arg_assign() can change the
* locale. Force it to C before parsing the program.
*/
setlocale(LC_NUMERIC, "C");
#endif
/* Read in the program */
if (parse_program(& code_block) != 0)
exit(EXIT_FAILURE);
if (do_intl)
exit(EXIT_SUCCESS);
if (do_lint)
shadow_funcs();
if (do_lint && code_block->nexti->opcode == Op_atexit)
lintwarn(_("no program text at all!"));
load_symbols();
if (do_profile)
init_profiling_signals();
#if defined(LC_NUMERIC)
/*
* See comment above about using locale's decimal point.
*
* 10/2005:
* Bitter experience teaches us that most people the world over
* use period as the decimal point, not whatever their locale
* uses. Thus, only use the locale's decimal point if being
* posixly anal-retentive.
*
* 7/2007:
* Be a little bit kinder. Allow the --use-lc-numeric option
* to also use the local decimal point. This avoids the draconian
* strictness of POSIX mode if someone just wants to parse their
* data using the local decimal point.
*/
if (use_lc_numeric)
setlocale(LC_NUMERIC, "");
#endif
init_io();
output_fp = stdout;
if (do_debug)
debug_prog(code_block);
else
interpret(code_block);
if (do_pretty_print) {
dump_prog(code_block);
dump_funcs();
}
if (do_dump_vars)
dump_vars(varfile);
if (do_tidy_mem)
release_all_vars();
/* keep valgrind happier */
if (extra_stack)
efree(extra_stack);
final_exit(exit_val);
return exit_val; /* to suppress warnings */
}
int
main ()
{
void *p;
unsigned long area1;
unsigned long area2;
unsigned long area3;
/* Preparations. */
#if !HAVE_MMAP_ANON && !HAVE_MMAP_ANONYMOUS && HAVE_MMAP_DEVZERO
zero_fd = open ("/dev/zero", O_RDONLY, 0644);
#endif
sigsegv_init (&dispatcher);
sigsegv_install_handler (&handler);
/* Setup some mmaped memory. */
p = mmap_zeromap ((void *) 0x12340000, 0x4000);
if (p == (void *)(-1))
{
fprintf (stderr, "mmap_zeromap failed.\n");
exit (2);
}
area1 = (unsigned long) p;
sigsegv_register (&dispatcher, (void *) area1, 0x4000, &area_handler, &area1);
if (mprotect ((void *) area1, 0x4000, PROT_NONE) < 0)
{
fprintf (stderr, "mprotect failed.\n");
exit (2);
}
p = mmap_zeromap ((void *) 0x0BEE0000, 0x4000);
if (p == (void *)(-1))
{
fprintf (stderr, "mmap_zeromap failed.\n");
exit (2);
}
area2 = (unsigned long) p;
sigsegv_register (&dispatcher, (void *) area2, 0x4000, &area_handler, &area2);
if (mprotect ((void *) area2, 0x4000, PROT_READ) < 0)
{
fprintf (stderr, "mprotect failed.\n");
exit (2);
}
if (mprotect ((void *) area2, 0x4000, PROT_READ_WRITE) < 0
|| mprotect ((void *) area2, 0x4000, PROT_READ) < 0)
{
fprintf (stderr, "mprotect failed.\n");
exit (2);
}
p = mmap_zeromap ((void *) 0x06990000, 0x4000);
if (p == (void *)(-1))
{
fprintf (stderr, "mmap_zeromap failed.\n");
exit (2);
}
area3 = (unsigned long) p;
sigsegv_register (&dispatcher, (void *) area3, 0x4000, &area_handler, &area3);
mprotect ((void *) area3, 0x4000, PROT_READ);
/* This access should call the handler. */
((volatile int *)area2)[230] = 22;
/* This access should call the handler. */
((volatile int *)area3)[412] = 33;
/* This access should not give a signal. */
((volatile int *)area2)[135] = 22;
/* This access should call the handler. */
((volatile int *)area1)[612] = 11;
barrier();
/* Check that the handler was called three times. */
if (logcount != 3)
exit (1);
if (!(logdata[0] == area2 && logdata[1] == area3 && logdata[2] == area1))
exit (1);
printf ("Test passed.\n");
return 0;
}