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/*
* PowerPC signal handling routines
*
* Copyright 2002 Marcus Meissner, SuSE Linux AG
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef __powerpc__
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <signal.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE_SYSCALL_H
# include <syscall.h>
#else
# ifdef HAVE_SYS_SYSCALL_H
# include <sys/syscall.h>
# endif
#endif
#ifdef HAVE_SYS_SIGNAL_H
# include <sys/signal.h>
#endif
#ifdef HAVE_SYS_UCONTEXT_H
# include <sys/ucontext.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "wine/exception.h"
#include "ntdll_misc.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(seh);
/***********************************************************************
* signal context platform-specific definitions
*/
#ifdef linux
/* All Registers access - only for local access */
# define REG_sig(reg_name, context) ((context)->uc_mcontext.regs->reg_name)
/* Gpr Registers access */
# define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context)
# define IAR_sig(context) REG_sig(nip, context) /* Program counter */
# define MSR_sig(context) REG_sig(msr, context) /* Machine State Register (Supervisor) */
# define CTR_sig(context) REG_sig(ctr, context) /* Count register */
# define XER_sig(context) REG_sig(xer, context) /* User's integer exception register */
# define LR_sig(context) REG_sig(link, context) /* Link register */
# define CR_sig(context) REG_sig(ccr, context) /* Condition register */
/* Float Registers access */
# define FLOAT_sig(reg_num, context) (((double*)((char*)((context)->uc_mcontext.regs+48*4)))[reg_num])
# define FPSCR_sig(context) (*(int*)((char*)((context)->uc_mcontext.regs+(48+32*2)*4)))
/* Exception Registers access */
# define DAR_sig(context) REG_sig(dar, context)
# define DSISR_sig(context) REG_sig(dsisr, context)
# define TRAP_sig(context) REG_sig(trap, context)
#endif /* linux */
#ifdef __APPLE__
/* All Registers access - only for local access */
# define REG_sig(reg_name, context) ((context)->uc_mcontext->ss.reg_name)
# define FLOATREG_sig(reg_name, context) ((context)->uc_mcontext->fs.reg_name)
# define EXCEPREG_sig(reg_name, context) ((context)->uc_mcontext->es.reg_name)
# define VECREG_sig(reg_name, context) ((context)->uc_mcontext->vs.reg_name)
/* Gpr Registers access */
# define GPR_sig(reg_num, context) REG_sig(r##reg_num, context)
# define IAR_sig(context) REG_sig(srr0, context) /* Program counter */
# define MSR_sig(context) REG_sig(srr1, context) /* Machine State Register (Supervisor) */
# define CTR_sig(context) REG_sig(ctr, context)
# define XER_sig(context) REG_sig(xer, context) /* Link register */
# define LR_sig(context) REG_sig(lr, context) /* User's integer exception register */
# define CR_sig(context) REG_sig(cr, context) /* Condition register */
/* Float Registers access */
# define FLOAT_sig(reg_num, context) FLOATREG_sig(fpregs[reg_num], context)
# define FPSCR_sig(context) FLOATREG_sig(fpscr, context)
/* Exception Registers access */
# define DAR_sig(context) EXCEPREG_sig(dar, context) /* Fault registers for coredump */
# define DSISR_sig(context) EXCEPREG_sig(dsisr, context)
# define TRAP_sig(context) EXCEPREG_sig(exception, context) /* number of powerpc exception taken */
/* Signal defs : Those are undefined on darwin
SIGBUS
#undef BUS_ADRERR
#undef BUS_OBJERR
SIGILL
#undef ILL_ILLOPN
#undef ILL_ILLTRP
#undef ILL_ILLADR
#undef ILL_COPROC
#undef ILL_PRVREG
#undef ILL_BADSTK
SIGTRAP
#undef TRAP_BRKPT
#undef TRAP_TRACE
SIGFPE
*/
#endif /* __APPLE__ */
/***********************************************************************
* save_context
*
* Set the register values from a sigcontext.
*/
static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
{
#define C(x) context->Gpr##x = GPR_sig(x,sigcontext)
/* Save Gpr registers */
C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
C(31);
#undef C
context->Iar = IAR_sig(sigcontext); /* Program Counter */
context->Msr = MSR_sig(sigcontext); /* Machine State Register (Supervisor) */
context->Ctr = CTR_sig(sigcontext);
context->Xer = XER_sig(sigcontext);
context->Lr = LR_sig(sigcontext);
context->Cr = CR_sig(sigcontext);
/* Saving Exception regs */
context->Dar = DAR_sig(sigcontext);
context->Dsisr = DSISR_sig(sigcontext);
context->Trap = TRAP_sig(sigcontext);
}
/***********************************************************************
* restore_context
*
* Build a sigcontext from the register values.
*/
static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
{
#define C(x) GPR_sig(x,sigcontext) = context->Gpr##x
C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
C(31);
#undef C
IAR_sig(sigcontext) = context->Iar; /* Program Counter */
MSR_sig(sigcontext) = context->Msr; /* Machine State Register (Supervisor) */
CTR_sig(sigcontext) = context->Ctr;
XER_sig(sigcontext) = context->Xer;
LR_sig(sigcontext) = context->Lr;
CR_sig(sigcontext) = context->Cr;
/* Setting Exception regs */
DAR_sig(sigcontext) = context->Dar;
DSISR_sig(sigcontext) = context->Dsisr;
TRAP_sig(sigcontext) = context->Trap;
}
/***********************************************************************
* save_fpu
*
* Set the FPU context from a sigcontext.
*/
static inline void save_fpu( CONTEXT *context, const ucontext_t *sigcontext )
{
#define C(x) context->Fpr##x = FLOAT_sig(x,sigcontext)
C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
C(31);
#undef C
context->Fpscr = FPSCR_sig(sigcontext);
}
/***********************************************************************
* restore_fpu
*
* Restore the FPU context to a sigcontext.
*/
static inline void restore_fpu( CONTEXT *context, const ucontext_t *sigcontext )
{
#define C(x) FLOAT_sig(x,sigcontext) = context->Fpr##x
C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
C(31);
#undef C
FPSCR_sig(sigcontext) = context->Fpscr;
}
/***********************************************************************
* RtlCaptureContext (NTDLL.@)
*/
void WINAPI RtlCaptureContext( CONTEXT *context )
{
FIXME("not implemented\n");
memset( context, 0, sizeof(*context) );
}
/**********************************************************************
* call_stack_handlers
*
* Call the stack handlers chain.
*/
static NTSTATUS call_stack_handlers( EXCEPTION_RECORD *rec, CONTEXT *context )
{
EXCEPTION_POINTERS ptrs;
FIXME( "not implemented on PowerPC\n" );
/* hack: call unhandled exception filter directly */
ptrs.ExceptionRecord = rec;
ptrs.ContextRecord = context;
call_unhandled_exception_filter( &ptrs );
return STATUS_UNHANDLED_EXCEPTION;
}
/*******************************************************************
* raise_exception
*
* Implementation of NtRaiseException.
*/
static NTSTATUS raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
{
NTSTATUS status;
if (first_chance)
{
DWORD c;
TRACE( "code=%x flags=%x addr=%p ip=%x tid=%04x\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress,
context->Iar, GetCurrentThreadId() );
for (c = 0; c < rec->NumberParameters; c++)
TRACE( " info[%d]=%08lx\n", c, rec->ExceptionInformation[c] );
if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
{
if (rec->ExceptionInformation[1] >> 16)
MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
else
MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
}
else
{
/* FIXME: dump context */
}
status = send_debug_event( rec, TRUE, context );
if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED)
return STATUS_SUCCESS;
if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION)
return STATUS_SUCCESS;
if ((status = call_stack_handlers( rec, context )) != STATUS_UNHANDLED_EXCEPTION)
return status;
}
/* last chance exception */
status = send_debug_event( rec, FALSE, context );
if (status != DBG_CONTINUE)
{
if (rec->ExceptionFlags & EH_STACK_INVALID)
ERR("Exception frame is not in stack limits => unable to dispatch exception.\n");
else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION)
ERR("Process attempted to continue execution after noncontinuable exception.\n");
else
ERR("Unhandled exception code %x flags %x addr %p\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
NtTerminateProcess( NtCurrentProcess(), rec->ExceptionCode );
}
return STATUS_SUCCESS;
}
/*******************************************************************
* KiUserExceptionDispatcher (NTDLL.@)
*/
NTSTATUS WINAPI KiUserExceptionDispatcher( EXCEPTION_RECORD *rec, CONTEXT *context )
{
NTSTATUS status;
DWORD c;
TRACE( "code=%x flags=%x addr=%p ip=%x tid=%04x\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress,
context->Iar, GetCurrentThreadId() );
for (c = 0; c < rec->NumberParameters; c++)
TRACE( " info[%d]=%08lx\n", c, rec->ExceptionInformation[c] );
if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
{
if (rec->ExceptionInformation[1] >> 16)
MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
else
MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
rec->ExceptionAddress,
(char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
}
else
{
/* FIXME: dump context */
}
if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION)
NtContinue( context, FALSE );
if ((status = call_stack_handlers( rec, context )) == STATUS_SUCCESS)
NtContinue( context, FALSE );
if (status != STATUS_UNHANDLED_EXCEPTION) RtlRaiseStatus( status );
return NtRaiseException( rec, context, FALSE );
}
/**********************************************************************
* segv_handler
*
* Handler for SIGSEGV and related errors.
*/
static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_context( &context, sigcontext );
rec.ExceptionRecord = NULL;
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
switch (signal)
{
case SIGSEGV:
switch (siginfo->si_code & 0xffff)
{
case SEGV_MAPERR:
case SEGV_ACCERR:
rec.NumberParameters = 2;
rec.ExceptionInformation[0] = 0; /* FIXME ? */
rec.ExceptionInformation[1] = (ULONG_PTR)siginfo->si_addr;
if (!(rec.ExceptionCode = unix_funcs->virtual_handle_fault(siginfo->si_addr, rec.ExceptionInformation[0], FALSE)))
goto done;
break;
default:
FIXME("Unhandled SIGSEGV/%x\n",siginfo->si_code);
break;
}
break;
case SIGBUS:
switch (siginfo->si_code & 0xffff)
{
case BUS_ADRALN:
rec.ExceptionCode = EXCEPTION_DATATYPE_MISALIGNMENT;
break;
#ifdef BUS_ADRERR
case BUS_ADRERR:
#endif
#ifdef BUS_OBJERR
case BUS_OBJERR:
/* FIXME: correct for all cases ? */
rec.NumberParameters = 2;
rec.ExceptionInformation[0] = 0; /* FIXME ? */
rec.ExceptionInformation[1] = (ULONG_PTR)siginfo->si_addr;
if (!(rec.ExceptionCode = unix_funcs->virtual_handle_fault(siginfo->si_addr, rec.ExceptionInformation[0], FALSE)))
goto done;
break;
#endif
default:
FIXME("Unhandled SIGBUS/%x\n",siginfo->si_code);
break;
}
break;
case SIGILL:
switch (siginfo->si_code & 0xffff)
{
case ILL_ILLOPC: /* illegal opcode */
#ifdef ILL_ILLOPN
case ILL_ILLOPN: /* illegal operand */
#endif
#ifdef ILL_ILLADR
case ILL_ILLADR: /* illegal addressing mode */
#endif
#ifdef ILL_ILLTRP
case ILL_ILLTRP: /* illegal trap */
#endif
#ifdef ILL_COPROC
case ILL_COPROC: /* coprocessor error */
#endif
rec.ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
break;
case ILL_PRVOPC: /* privileged opcode */
#ifdef ILL_PRVREG
case ILL_PRVREG: /* privileged register */
#endif
rec.ExceptionCode = EXCEPTION_PRIV_INSTRUCTION;
break;
#ifdef ILL_BADSTK
case ILL_BADSTK: /* internal stack error */
rec.ExceptionCode = EXCEPTION_STACK_OVERFLOW;
break;
#endif
default:
FIXME("Unhandled SIGILL/%x\n", siginfo->si_code);
break;
}
break;
}
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
done:
restore_context( &context, sigcontext );
}
/**********************************************************************
* trap_handler
*
* Handler for SIGTRAP.
*/
static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_context( &context, sigcontext );
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
/* FIXME: check if we might need to modify PC */
switch (siginfo->si_code & 0xffff)
{
#ifdef TRAP_BRKPT
case TRAP_BRKPT:
rec.ExceptionCode = EXCEPTION_BREAKPOINT;
break;
#endif
#ifdef TRAP_TRACE
case TRAP_TRACE:
rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
break;
#endif
default:
FIXME("Unhandled SIGTRAP/%x\n", siginfo->si_code);
break;
}
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
/**********************************************************************
* fpe_handler
*
* Handler for SIGFPE.
*/
static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_fpu( &context, sigcontext );
save_context( &context, sigcontext );
switch (siginfo->si_code & 0xffff )
{
#ifdef FPE_FLTSUB
case FPE_FLTSUB:
rec.ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
break;
#endif
#ifdef FPE_INTDIV
case FPE_INTDIV:
rec.ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
break;
#endif
#ifdef FPE_INTOVF
case FPE_INTOVF:
rec.ExceptionCode = EXCEPTION_INT_OVERFLOW;
break;
#endif
#ifdef FPE_FLTDIV
case FPE_FLTDIV:
rec.ExceptionCode = EXCEPTION_FLT_DIVIDE_BY_ZERO;
break;
#endif
#ifdef FPE_FLTOVF
case FPE_FLTOVF:
rec.ExceptionCode = EXCEPTION_FLT_OVERFLOW;
break;
#endif
#ifdef FPE_FLTUND
case FPE_FLTUND:
rec.ExceptionCode = EXCEPTION_FLT_UNDERFLOW;
break;
#endif
#ifdef FPE_FLTRES
case FPE_FLTRES:
rec.ExceptionCode = EXCEPTION_FLT_INEXACT_RESULT;
break;
#endif
#ifdef FPE_FLTINV
case FPE_FLTINV:
#endif
default:
rec.ExceptionCode = EXCEPTION_FLT_INVALID_OPERATION;
break;
}
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
restore_fpu( &context, sigcontext );
}
/**********************************************************************
* int_handler
*
* Handler for SIGINT.
*/
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_context( &context, sigcontext );
rec.ExceptionCode = CONTROL_C_EXIT;
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
/**********************************************************************
* abrt_handler
*
* Handler for SIGABRT.
*/
static void abrt_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_context( &context, sigcontext );
rec.ExceptionCode = EXCEPTION_WINE_ASSERTION;
rec.ExceptionFlags = EH_NONCONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
/**********************************************************************
* quit_handler
*
* Handler for SIGQUIT.
*/
static void quit_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
unix_funcs->abort_thread(0);
}
/**********************************************************************
* usr1_handler
*
* Handler for SIGUSR1, used to signal a thread that it got suspended.
*/
static void usr1_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
CONTEXT context;
save_context( &context, sigcontext );
wait_suspend( &context );
restore_context( &context, sigcontext );
}
/**********************************************************************
* signal_init_process
*/
void signal_init_process(void)
{
struct sigaction sig_act;
sig_act.sa_mask = server_block_set;
sig_act.sa_flags = SA_RESTART | SA_SIGINFO;
sig_act.sa_sigaction = int_handler;
if (sigaction( SIGINT, &sig_act, NULL ) == -1) goto error;
sig_act.sa_sigaction = fpe_handler;
if (sigaction( SIGFPE, &sig_act, NULL ) == -1) goto error;
sig_act.sa_sigaction = abrt_handler;
if (sigaction( SIGABRT, &sig_act, NULL ) == -1) goto error;
sig_act.sa_sigaction = quit_handler;
if (sigaction( SIGQUIT, &sig_act, NULL ) == -1) goto error;
sig_act.sa_sigaction = usr1_handler;
if (sigaction( SIGUSR1, &sig_act, NULL ) == -1) goto error;
sig_act.sa_sigaction = segv_handler;
if (sigaction( SIGSEGV, &sig_act, NULL ) == -1) goto error;
if (sigaction( SIGILL, &sig_act, NULL ) == -1) goto error;
#ifdef SIGBUS
if (sigaction( SIGBUS, &sig_act, NULL ) == -1) goto error;
#endif
#ifdef SIGTRAP
sig_act.sa_sigaction = trap_handler;
if (sigaction( SIGTRAP, &sig_act, NULL ) == -1) goto error;
#endif
return;
error:
perror("sigaction");
exit(1);
}
/***********************************************************************
* RtlUnwind (NTDLL.@)
*/
void WINAPI RtlUnwind( PVOID pEndFrame, PVOID targetIp, PEXCEPTION_RECORD pRecord, PVOID retval )
{
FIXME( "Not implemented on PowerPC\n" );
}
/***********************************************************************
* RtlRaiseException (NTDLL.@)
*/
void WINAPI RtlRaiseException( EXCEPTION_RECORD *rec )
{
CONTEXT context;
NTSTATUS status;
RtlCaptureContext( &context );
rec->ExceptionAddress = (void *)context.Iar;
status = raise_exception( rec, &context, TRUE );
if (status) raise_status( status, rec );
}
/*************************************************************************
* RtlCaptureStackBackTrace (NTDLL.@)
*/
USHORT WINAPI RtlCaptureStackBackTrace( ULONG skip, ULONG count, PVOID *buffer, ULONG *hash )
{
FIXME( "(%d, %d, %p, %p) stub!\n", skip, count, buffer, hash );
return 0;
}
/**********************************************************************
* DbgBreakPoint (NTDLL.@)
*/
void WINAPI DbgBreakPoint(void)
{
kill(getpid(), SIGTRAP);
}
/**********************************************************************
* DbgUserBreakPoint (NTDLL.@)
*/
void WINAPI DbgUserBreakPoint(void)
{
kill(getpid(), SIGTRAP);
}
/**********************************************************************
* NtCurrentTeb (NTDLL.@)
*/
TEB * WINAPI NtCurrentTeb(void)
{
return unix_funcs->NtCurrentTeb();
}
#endif /* __powerpc__ */
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