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* cygtls.h (_cygtls::el): New field.

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(_cygtls::handle_exceptions): New function declaration.
(_cygtls::handle_threadlist_exception): Ditto.
(_cygtls::init_exception_handler): Ditto.
(_cygtls::init_threadlist_exceptions): Remove arg from declaration.
* cygtls.cc (_cygtls::call2): Don't initialize exceptions here.
(_cygtls::init_thread): Do it here instead and use member function.
(_cygtls::handle_threadlist_exception): Move into _cygtls class.
(_cygtls::init_exception_handler): Ditto.  Rely on existence of 'el' memmber in
_cygtls.
(_cygtls::init_threadlist_exceptions): Ditto.
* dcrt0.cc (dll_crt0_1): Remove exception_list definition and setting since it
now commonly resides in the tls.
* exceptions.cc (init_exception_handler): Move to cygtls.cc.
(init_exceptions): Ditto.
(rtl_unwind): New, safe wrapper function for RtlUnwind.
(_cygtls::handle_exceptions): Move to _cygtls.  Call rtl_unwind to unwind
frames and eliminate copying of structures.  Put address of failing instruction
in si_addr, not the address on the stack.  Return 0 to indicate that we've
handled this exception.
* external.cc (cygwin_internal): Make CW_INIT_EXCEPTIONS a no-op.
* sigproc.cc (wait_sig): Accommodate argument change to
_cygtls::init_threadlist_exceptions.
* tlsoffsets.h: Regenerate.
* include/exceptions.h (exception_list): Add more stuff to the exception list.
Apparently windows needs this?
(init_exceptions): Remove bogus declaration.
* include/cygwin/signal.h (SI_USER): Redefine as zero as per SUSv3.
* thread.cc (pthread_kill): Set si_pid and si_uid.
* timer.cc (timer_thread): Set si_code to SI_TIMER.
This commit is contained in:
Christopher Faylor
2005-12-03 04:23:35 +00:00
parent e7f6a31bb0
commit f153e6b280
13 changed files with 179 additions and 133 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
winsup/cygwin/ChangeLog
View File

@@ -1,3 +1,39 @@
2005-12-02 Christopher Faylor <cgf@timesys.com>
* cygtls.h (_cygtls::el): New field.
(_cygtls::handle_exceptions): New function declaration.
(_cygtls::handle_threadlist_exception): Ditto.
(_cygtls::init_exception_handler): Ditto.
(_cygtls::init_threadlist_exceptions): Remove arg from declaration.
* cygtls.cc (_cygtls::call2): Don't initialize exceptions here.
(_cygtls::init_thread): Do it here instead and use member function.
(_cygtls::handle_threadlist_exception): Move into _cygtls class.
(_cygtls::init_exception_handler): Ditto. Rely on existence of 'el'
memmber in _cygtls.
(_cygtls::init_threadlist_exceptions): Ditto.
* dcrt0.cc (dll_crt0_1): Remove exception_list definition and setting
since it now commonly resides in the tls.
* exceptions.cc (init_exception_handler): Move to cygtls.cc.
(init_exceptions): Ditto.
(rtl_unwind): New, safe wrapper function for RtlUnwind.
(_cygtls::handle_exceptions): Move to _cygtls. Call rtl_unwind to
unwind frames and eliminate copying of structures. Put address of
failing instruction in si_addr, not the address on the stack. Return 0
to indicate that we've handled this exception.
* external.cc (cygwin_internal): Make CW_INIT_EXCEPTIONS a no-op.
* sigproc.cc (wait_sig): Accommodate argument change to
_cygtls::init_threadlist_exceptions.
* tlsoffsets.h: Regenerate.
* include/exceptions.h (exception_list): Add more stuff to the
exception list. Apparently windows needs this?
(init_exceptions): Remove bogus declaration.
* include/cygwin/signal.h (SI_USER): Redefine as zero as per SUSv3.
* thread.cc (pthread_kill): Set si_pid and si_uid.
* timer.cc (timer_thread): Set si_code to SI_KERNEL.
2005-12-01 Christopher Faylor <cgf@timesys.com>
* dcrt0.cc (getstack): Try harder to modify memory.

32
winsup/cygwin/cygtls.cc
View File

@@ -88,10 +88,6 @@ _cygtls::call (DWORD (*func) (void *, void *), void *arg)
void
_cygtls::call2 (DWORD (*func) (void *, void *), void *arg, void *buf)
{
exception_list except_entry;
/* Initialize this thread's ability to respond to things like
SIGSEGV or SIGFPE. */
init_exceptions (&except_entry);
_my_tls.init_thread (buf, func);
DWORD res = func (arg, buf);
_my_tls.remove (INFINITE);
@@ -117,6 +113,9 @@ _cygtls::init_thread (void *x, DWORD (*func) (void *, void *))
}
local_clib._current_locale = "C";
locals.process_logmask = LOG_UPTO (LOG_DEBUG);
/* Initialize this thread's ability to respond to things like
SIGSEGV or SIGFPE. */
init_exception_handler (handle_exceptions);
}
locals.exitsock = INVALID_SOCKET;
@@ -240,8 +239,8 @@ _cygtls::set_siginfo (sigpacket *pack)
}
extern "C" DWORD __stdcall RtlUnwind (void *, void *, void *, DWORD);
static int
handle_threadlist_exception (EXCEPTION_RECORD *e, void *frame, CONTEXT *c, void *)
int
_cygtls::handle_threadlist_exception (EXCEPTION_RECORD *e, void *frame, CONTEXT *c, void *)
{
if (e->ExceptionCode != STATUS_ACCESS_VIOLATION)
{
@@ -269,9 +268,24 @@ handle_threadlist_exception (EXCEPTION_RECORD *e, void *frame, CONTEXT *c, void
return 0;
}
/* Set up the exception handler for the current thread. The PowerPC & Mips
use compiler generated tables to set up the exception handlers for each
region of code, and the kernel walks the call list until it finds a region
of code that handles exceptions. The x86 on the other hand uses segment
register fs, offset 0 to point to the current exception handler. */
extern exception_list *_except_list asm ("%fs:0");
void
_cygtls::init_threadlist_exceptions (exception_list *el)
_cygtls::init_exception_handler (exception_handler *eh)
{
extern void init_exception_handler (exception_list *, exception_handler *);
init_exception_handler (el, handle_threadlist_exception);
el.handler = eh;
el.prev = _except_list;
_except_list = &el;
}
void
_cygtls::init_threadlist_exceptions ()
{
init_exception_handler (handle_threadlist_exception);
}

10
winsup/cygwin/cygtls.h
View File

@@ -17,6 +17,7 @@ details. */
#include <mntent.h>
#undef _NOMNTENT_FUNCS
#include <setjmp.h>
#include <exceptions.h>
#ifndef _WINSOCK_H
/* Stupid hack: Including winsock.h explicitly causes too many problems. */
@@ -182,6 +183,7 @@ struct _cygtls
};
struct _local_storage locals;
class cygthread *_ctinfo;
exception_list el;
san andreas;
waitq wq;
struct _cygtls *prev, *next;
@@ -212,7 +214,13 @@ struct _cygtls
void __stdcall interrupt_setup (int sig, void *handler,
struct sigaction& siga)
__attribute__((regparm(3)));
void init_threadlist_exceptions (struct _exception_list *);
/* exception handling */
static int handle_exceptions (EXCEPTION_RECORD *, void *, CONTEXT *, void *);
static int handle_threadlist_exception (EXCEPTION_RECORD *e, void *frame, CONTEXT *c, void *);
void init_exception_handler (int (*) (EXCEPTION_RECORD *, void *, CONTEXT *, void*));
void init_threadlist_exceptions ();
#ifdef _THREAD_H
operator HANDLE () const {return tid->win32_obj_id;}
#endif

8
winsup/cygwin/dcrt0.cc
View File

@@ -730,11 +730,6 @@ dll_crt0_0 ()
static void
dll_crt0_1 (char *)
{
/* According to onno@stack.urc.tue.nl, the exception handler record must
be on the stack. */
/* FIXME: Verify forked children get their exception handler set up ok. */
exception_list cygwin_except_entry;
check_sanity_and_sync (user_data);
malloc_init ();
#ifdef CGF
@@ -744,9 +739,6 @@ dll_crt0_1 (char *)
small_printf ("cmalloc returns %p\n", cmalloc (HEAP_STR, n));
#endif
/* Initialize SIGSEGV handling, etc. */
init_exceptions (&cygwin_except_entry);
user_data->resourcelocks->Init ();
user_data->threadinterface->Init ();
ProtectHandle (hMainProc);

80
winsup/cygwin/exceptions.cc
View File

@@ -36,7 +36,6 @@ details. */
char debugger_command[2 * CYG_MAX_PATH + 20];
extern "C" {
static int handle_exceptions (EXCEPTION_RECORD *, void *, CONTEXT *, void *);
extern void sigdelayed ();
};
@@ -94,28 +93,6 @@ NO_COPY static struct
/* Initialization code. */
// Set up the exception handler for the current thread. The PowerPC & Mips
// use compiler generated tables to set up the exception handlers for each
// region of code, and the kernel walks the call list until it finds a region
// of code that handles exceptions. The x86 on the other hand uses segment
// register fs, offset 0 to point to the current exception handler.
extern exception_list *_except_list asm ("%fs:0");
void
init_exception_handler (exception_list *el, exception_handler *eh)
{
el->handler = eh;
el->prev = _except_list;
_except_list = el;
}
extern "C" void
init_exceptions (exception_list *el)
{
init_exception_handler (el, handle_exceptions);
}
BOOL WINAPI
dummy_ctrl_c_handler (DWORD dwCtrlType)
{
@@ -403,11 +380,31 @@ try_to_debug (bool waitloop)
return dbg;
}
extern "C" DWORD __stdcall RtlUnwind (void *, void *, void *, DWORD);
static void __stdcall rtl_unwind (void *, PEXCEPTION_RECORD) __attribute__ ((noinline, regparm (3)));
void __stdcall
rtl_unwind (void *frame, PEXCEPTION_RECORD e)
{
__asm__ ("\n\
pushl %%ebx \n\
pushl %%edi \n\
pushl %%esi \n\
pushl $0 \n\
pushl %1 \n\
pushl $1f \n\
pushl %0 \n\
call _RtlUnwind@16 \n\
1: \n\
popl %%esi \n\
popl %%edi \n\
popl %%ebx \n\
": : "r" (frame), "r" (e));
}
/* Main exception handler. */
extern "C" DWORD __stdcall RtlUnwind (void *, void *, void *, DWORD);
static int
handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
int
_cygtls::handle_exceptions (EXCEPTION_RECORD *e, void *frame, CONTEXT *in, void *)
{
static bool NO_COPY debugging;
static int NO_COPY recursed;
@@ -421,16 +418,13 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
/* If we've already exited, don't do anything here. Returning 1
tells Windows to keep looking for an exception handler. */
if (exit_already)
if (exit_already || e->ExceptionFlags)
return 1;
EXCEPTION_RECORD e = *e0;
CONTEXT in = *in0;
siginfo_t si;
si.si_code = SI_KERNEL;
/* Coerce win32 value to posix value. */
switch (e.ExceptionCode)
switch (e->ExceptionCode)
{
case STATUS_FLOAT_DENORMAL_OPERAND:
case STATUS_FLOAT_DIVIDE_BY_ZERO:
@@ -514,8 +508,9 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
return 1;
}
debug_printf ("In cygwin_except_handler exc %p at %p sp %p", e.ExceptionCode, in.Eip, in.Esp);
debug_printf ("In cygwin_except_handler sig %d at %p", si.si_signo, in.Eip);
rtl_unwind (frame, e);
debug_printf ("In cygwin_except_handler exc %p at %p sp %p", e->ExceptionCode, in->Eip, in->Esp);
debug_printf ("In cygwin_except_handler sig %d at %p", si.si_signo, in->Eip);
if (global_sigs[si.si_signo].sa_mask & SIGTOMASK (si.si_signo))
syscall_printf ("signal %d, masked %p", si.si_signo,
@@ -524,9 +519,9 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
debug_printf ("In cygwin_except_handler calling %p",
global_sigs[si.si_signo].sa_handler);
DWORD *ebp = (DWORD *)in.Esp;
DWORD *ebp = (DWORD *) in->Esp;
for (DWORD *bpend = (DWORD *) __builtin_frame_address (0); ebp > bpend; ebp--)
if (*ebp == in.SegCs && ebp[-1] == in.Eip)
if (*ebp == in->SegCs && ebp[-1] == in->Eip)
{
ebp -= 2;
break;
@@ -534,7 +529,7 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
if (!me.fault_guarded ()
&& (!cygwin_finished_initializing
|| &_my_tls == _sig_tls
|| &me == _sig_tls
|| (void *) global_sigs[si.si_signo].sa_handler == (void *) SIG_DFL
|| (void *) global_sigs[si.si_signo].sa_handler == (void *) SIG_IGN
|| (void *) global_sigs[si.si_signo].sa_handler == (void *) SIG_ERR))
@@ -542,7 +537,7 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
/* Print the exception to the console */
if (!myself->cygstarted)
for (int i = 0; status_info[i].name; i++)
if (status_info[i].code == e.ExceptionCode)
if (status_info[i].code == e->ExceptionCode)
{
system_printf ("Exception: %s", status_info[i].name);
break;
@@ -561,25 +556,22 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
}
open_stackdumpfile ();
exception (&e, &in);
exception (e, in);
stackdump ((DWORD) ebp, 0, 1);
}
signal_exit (0x80 | si.si_signo); // Flag signal + core dump
}
extern DWORD ret_here[];
RtlUnwind (frame, ret_here, e0, 0);
__asm__ volatile (".equ _ret_here,.");
if (me.fault_guarded ())
me.return_from_fault ();
si.si_addr = ebp;
si.si_addr = (void *) in->Eip;
si.si_errno = si.si_pid = si.si_uid = 0;
me.push ((__stack_t) ebp, true);
sig_send (NULL, si, &me); // Signal myself
return 1;
e->ExceptionFlags = 0;
return 0;
}
/* Utilities to call a user supplied exception handler. */

2
winsup/cygwin/external.cc
View File

@@ -184,7 +184,7 @@ cygwin_internal (cygwin_getinfo_types t, ...)
return (DWORD) fillout_pinfo (va_arg (arg, pid_t), 1);
case CW_INIT_EXCEPTIONS:
init_exceptions (va_arg (arg, exception_list *));
/* noop */ /* init_exceptions (va_arg (arg, exception_list *)); */
return 0;
case CW_GET_CYGDRIVE_INFO:

4
winsup/cygwin/include/cygwin/signal.h
View File

@@ -102,8 +102,8 @@ typedef struct
enum
{
SI_USER = 1, /* sent by kill, raise, pthread_kill */
SI_ASYNCIO, /* sent by AIO completion (currently
SI_USER = 0, /* sent by kill, raise, pthread_kill */
SI_ASYNCIO = 2, /* sent by AIO completion (currently
unimplemented) */
SI_MESGQ, /* sent by real time mesq state change
(currently unimplemented) */

4
winsup/cygwin/include/cygwin/version.h
View File

@@ -283,12 +283,14 @@ details. */
143: Export clock_getres, clock_setres
144: Export timelocal, timegm.
145: Add MAP_NORESERVE flag to mmap.
146: Change SI_USER definition. FIXME: Need to develop compatibility macro
for this?
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 145
#define CYGWIN_VERSION_API_MINOR 146
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible

6
winsup/cygwin/include/exceptions.h
View File

@@ -106,13 +106,9 @@ typedef struct _exception_list
{
struct _exception_list *prev;
exception_handler *handler;
/* We're apparently free to add more stuff here.
At present we don't need any. */
unsigned long stuff[8];
} exception_list;
void init_exceptions (exception_list *);
#ifdef __cplusplus
};
#endif /* __cplusplus */

3
winsup/cygwin/sigproc.cc
View File

@@ -1067,8 +1067,7 @@ wait_sig (VOID *)
sigproc_printf ("myself->dwProcessId %u", myself->dwProcessId);
SetEvent (wait_sig_inited);
exception_list el;
_sig_tls->init_threadlist_exceptions (&el);
_sig_tls->init_threadlist_exceptions ();
debug_printf ("entering ReadFile loop, readsig %p, myself->sendsig %p",
readsig, myself->sendsig);

4
winsup/cygwin/thread.cc
View File

@@ -2873,7 +2873,9 @@ pthread_kill (pthread_t thread, int sig)
siginfo_t si;
si.si_signo = sig;
si.si_code = SI_USER;
si.si_pid = si.si_uid = si.si_errno = 0;
si.si_pid = myself->pid;
si.si_uid = myself->uid;
si.si_errno = 0;
thread->cygtls->set_threadkill ();
int rval = sig ? sig_send (NULL, si, thread->cygtls) : 0;

1
winsup/cygwin/timer.cc
View File

@@ -168,6 +168,7 @@ timer_thread (VOID *x)
memset (&si, 0, sizeof (si));
si.si_signo = tt->evp.sigev_signo;
si.si_sigval.sival_ptr = tt->evp.sigev_value.sival_ptr;
si.si_code = SI_TIMER;
debug_printf ("%p sending sig %d", x, tt->evp.sigev_signo);
sig_send (myself_nowait, si);
break;

122
winsup/cygwin/tlsoffsets.h
View File

@@ -1,121 +1,125 @@
//;# autogenerated: Do not edit.
//; $tls::sizeof__cygtls = 3988;
//; $tls::func = -3988;
//; $tls::sizeof__cygtls = 4028;
//; $tls::func = -4028;
//; $tls::pfunc = 0;
//; $tls::saved_errno = -3984;
//; $tls::saved_errno = -4024;
//; $tls::psaved_errno = 4;
//; $tls::sa_flags = -3980;
//; $tls::sa_flags = -4020;
//; $tls::psa_flags = 8;
//; $tls::oldmask = -3976;
//; $tls::oldmask = -4016;
//; $tls::poldmask = 12;
//; $tls::deltamask = -3972;
//; $tls::deltamask = -4012;
//; $tls::pdeltamask = 16;
//; $tls::event = -3968;
//; $tls::event = -4008;
//; $tls::pevent = 20;
//; $tls::errno_addr = -3964;
//; $tls::errno_addr = -4004;
//; $tls::perrno_addr = 24;
//; $tls::initialized = -3960;
//; $tls::initialized = -4000;
//; $tls::pinitialized = 28;
//; $tls::sigmask = -3956;
//; $tls::sigmask = -3996;
//; $tls::psigmask = 32;
//; $tls::sigwait_mask = -3952;
//; $tls::sigwait_mask = -3992;
//; $tls::psigwait_mask = 36;
//; $tls::sigwait_info = -3948;
//; $tls::sigwait_info = -3988;
//; $tls::psigwait_info = 40;
//; $tls::threadkill = -3944;
//; $tls::threadkill = -3984;
//; $tls::pthreadkill = 44;
//; $tls::infodata = -3940;
//; $tls::infodata = -3980;
//; $tls::pinfodata = 48;
//; $tls::tid = -3792;
//; $tls::tid = -3832;
//; $tls::ptid = 196;
//; $tls::local_clib = -3788;
//; $tls::local_clib = -3828;
//; $tls::plocal_clib = 200;
//; $tls::__dontuse = -3788;
//; $tls::__dontuse = -3828;
//; $tls::p__dontuse = 200;
//; $tls::locals = -2724;
//; $tls::locals = -2764;
//; $tls::plocals = 1264;
//; $tls::_ctinfo = -1092;
//; $tls::_ctinfo = -1132;
//; $tls::p_ctinfo = 2896;
//; $tls::el = -1128;
//; $tls::pel = 2900;
//; $tls::andreas = -1088;
//; $tls::pandreas = 2900;
//; $tls::pandreas = 2940;
//; $tls::wq = -1080;
//; $tls::pwq = 2908;
//; $tls::pwq = 2948;
//; $tls::prev = -1052;
//; $tls::pprev = 2936;
//; $tls::pprev = 2976;
//; $tls::next = -1048;
//; $tls::pnext = 2940;
//; $tls::pnext = 2980;
//; $tls::stackptr = -1044;
//; $tls::pstackptr = 2944;
//; $tls::pstackptr = 2984;
//; $tls::sig = -1040;
//; $tls::psig = 2948;
//; $tls::psig = 2988;
//; $tls::incyg = -1036;
//; $tls::pincyg = 2952;
//; $tls::pincyg = 2992;
//; $tls::spinning = -1032;
//; $tls::pspinning = 2956;
//; $tls::pspinning = 2996;
//; $tls::stacklock = -1028;
//; $tls::pstacklock = 2960;
//; $tls::pstacklock = 3000;
//; $tls::stack = -1024;
//; $tls::pstack = 2964;
//; $tls::pstack = 3004;
//; $tls::padding = 0;
//; $tls::ppadding = 3988;
//; $tls::ppadding = 4028;
//; __DATA__
#define tls_func (-3988)
#define tls_func (-4028)
#define tls_pfunc (0)
#define tls_saved_errno (-3984)
#define tls_saved_errno (-4024)
#define tls_psaved_errno (4)
#define tls_sa_flags (-3980)
#define tls_sa_flags (-4020)
#define tls_psa_flags (8)
#define tls_oldmask (-3976)
#define tls_oldmask (-4016)
#define tls_poldmask (12)
#define tls_deltamask (-3972)
#define tls_deltamask (-4012)
#define tls_pdeltamask (16)
#define tls_event (-3968)
#define tls_event (-4008)
#define tls_pevent (20)
#define tls_errno_addr (-3964)
#define tls_errno_addr (-4004)
#define tls_perrno_addr (24)
#define tls_initialized (-3960)
#define tls_initialized (-4000)
#define tls_pinitialized (28)
#define tls_sigmask (-3956)
#define tls_sigmask (-3996)
#define tls_psigmask (32)
#define tls_sigwait_mask (-3952)
#define tls_sigwait_mask (-3992)
#define tls_psigwait_mask (36)
#define tls_sigwait_info (-3948)
#define tls_sigwait_info (-3988)
#define tls_psigwait_info (40)
#define tls_threadkill (-3944)
#define tls_threadkill (-3984)
#define tls_pthreadkill (44)
#define tls_infodata (-3940)
#define tls_infodata (-3980)
#define tls_pinfodata (48)
#define tls_tid (-3792)
#define tls_tid (-3832)
#define tls_ptid (196)
#define tls_local_clib (-3788)
#define tls_local_clib (-3828)
#define tls_plocal_clib (200)
#define tls___dontuse (-3788)
#define tls___dontuse (-3828)
#define tls_p__dontuse (200)
#define tls_locals (-2724)
#define tls_locals (-2764)
#define tls_plocals (1264)
#define tls__ctinfo (-1092)
#define tls__ctinfo (-1132)
#define tls_p_ctinfo (2896)
#define tls_el (-1128)
#define tls_pel (2900)
#define tls_andreas (-1088)
#define tls_pandreas (2900)
#define tls_pandreas (2940)
#define tls_wq (-1080)
#define tls_pwq (2908)
#define tls_pwq (2948)
#define tls_prev (-1052)
#define tls_pprev (2936)
#define tls_pprev (2976)
#define tls_next (-1048)
#define tls_pnext (2940)
#define tls_pnext (2980)
#define tls_stackptr (-1044)
#define tls_pstackptr (2944)
#define tls_pstackptr (2984)
#define tls_sig (-1040)
#define tls_psig (2948)
#define tls_psig (2988)
#define tls_incyg (-1036)
#define tls_pincyg (2952)
#define tls_pincyg (2992)
#define tls_spinning (-1032)
#define tls_pspinning (2956)
#define tls_pspinning (2996)
#define tls_stacklock (-1028)
#define tls_pstacklock (2960)
#define tls_pstacklock (3000)
#define tls_stack (-1024)
#define tls_pstack (2964)
#define tls_pstack (3004)
#define tls_padding (0)
#define tls_ppadding (3988)
#define tls_ppadding (4028)