[4/8] ntdll: Add ARM support

André Hentschel webmaster at dawncrow.de
Sat Sep 18 11:02:12 CDT 2010


---
 dlls/ntdll/Makefile.in  |    1 +
 dlls/ntdll/nt.c         |    2 +
 dlls/ntdll/server.c     |    2 +
 dlls/ntdll/signal_arm.c |  807 +++++++++++++++++++++++++++++++++++++++++++++++
 include/winnt.h         |    7 +-
 5 files changed, 816 insertions(+), 3 deletions(-)
 create mode 100644 dlls/ntdll/signal_arm.c

diff --git a/dlls/ntdll/Makefile.in b/dlls/ntdll/Makefile.in
index 8c14708..327aee4 100644
--- a/dlls/ntdll/Makefile.in
+++ b/dlls/ntdll/Makefile.in
@@ -41,6 +41,7 @@ C_SRCS = \
 	sec.c \
 	serial.c \
 	server.c \
+	signal_arm.c \
 	signal_i386.c \
 	signal_powerpc.c \
 	signal_sparc.c \
diff --git a/dlls/ntdll/nt.c b/dlls/ntdll/nt.c
index 0f37def..ba8cbe7 100644
--- a/dlls/ntdll/nt.c
+++ b/dlls/ntdll/nt.c
@@ -920,6 +920,8 @@ void fill_cpu_info(void)
     cached_sci.Architecture     = PROCESSOR_ARCHITECTURE_AMD64;
 #elif defined(__powerpc__)
     cached_sci.Architecture     = PROCESSOR_ARCHITECTURE_PPC;
+#elif defined(__arm__)
+    cached_sci.Architecture     = PROCESSOR_ARCHITECTURE_ARM;
 #elif defined(__ALPHA__)
     cached_sci.Architecture     = PROCESSOR_ARCHITECTURE_ALPHA;
 #elif defined(__sparc__)
diff --git a/dlls/ntdll/server.c b/dlls/ntdll/server.c
index 5e67bd6..b3a8b21 100644
--- a/dlls/ntdll/server.c
+++ b/dlls/ntdll/server.c
@@ -90,6 +90,8 @@ static const enum cpu_type client_cpu = CPU_ALPHA;
 static const enum cpu_type client_cpu = CPU_POWERPC;
 #elif defined(__sparc__)
 static const enum cpu_type client_cpu = CPU_SPARC;
+#elif defined(__arm__)
+static const enum cpu_type client_cpu = CPU_ARM;
 #else
 #error Unsupported CPU
 #endif
diff --git a/dlls/ntdll/signal_arm.c b/dlls/ntdll/signal_arm.c
new file mode 100644
index 0000000..3be79b0
--- /dev/null
+++ b/dlls/ntdll/signal_arm.c
@@ -0,0 +1,807 @@
+/*
+ * ARM signal handling routines
+ *
+ * Copyright 2002 Marcus Meissner, SuSE Linux AG
+ * Copyright 2010 André Hentschel
+ *
+ * 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 __arm__
+
+#include "config.h"
+#include "wine/port.h"
+
+#include <assert.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.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_VM86_H
+# include <sys/vm86.h>
+#endif
+
+#ifdef HAVE_SYS_SIGNAL_H
+# include <sys/signal.h>
+#endif
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "windef.h"
+#include "winternl.h"
+#include "wine/library.h"
+#include "wine/exception.h"
+#include "ntdll_misc.h"
+#include "wine/debug.h"
+#include "winnt.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(seh);
+
+static pthread_key_t teb_key;
+
+/***********************************************************************
+ * signal context platform-specific definitions
+ */
+#ifdef linux
+
+/* All Registers access - only for local access */
+# define REG_sig(reg_name, context) ((context)->uc_mcontext.reg_name)
+# define REGn_sig(reg_num, context) ((context)->uc_mcontext.arm_r##reg_num)
+
+/* Special Registers access  */
+# define SP_sig(context)            REG_sig(arm_sp, context)    /* Stack pointer */
+# define LR_sig(context)            REG_sig(arm_lr, context)    /* Link register */
+# define PC_sig(context)            REG_sig(arm_pc, context)    /* Program counter */
+# define CPSR_sig(context)           REG_sig(arm_cpsr, context)  /* Current State Register */
+# define IP_sig(context)            REG_sig(arm_ip, context)    /* Program counter (2?) */
+# define FP_sig(context)            REG_sig(arm_fp, context)    /* Frame pointer */
+
+#endif /* linux */
+
+typedef int (*wine_signal_handler)(unsigned int sig);
+
+static wine_signal_handler handlers[256];
+
+/***********************************************************************
+ *           dispatch_signal
+ */
+static inline int dispatch_signal(unsigned int sig)
+{
+    if (handlers[sig] == NULL) return 0;
+    return handlers[sig](sig);
+}
+
+/***********************************************************************
+ *           save_context
+ *
+ * Set the register values from a sigcontext.
+ */
+static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
+{
+#define C(x) context->R##x = REGn_sig(x,sigcontext)
+    /* Save normal registers */
+    C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
+#undef C
+
+    context->Sp   = SP_sig(sigcontext);   /* Stack pointer */
+    context->Lr   = LR_sig(sigcontext);   /* Link register */
+    context->Pc   = PC_sig(sigcontext);   /* Program Counter */
+    context->Cpsr = CPSR_sig(sigcontext); /* Current State Register */
+    context->Ip   = IP_sig(sigcontext);   /* Intra-Procedure-call scratch register */
+    context->Fp   = FP_sig(sigcontext);   /* Frame pointer */
+}
+
+
+/***********************************************************************
+ *           restore_context
+ *
+ * Build a sigcontext from the register values.
+ */
+static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
+{
+#define C(x)  REGn_sig(x,sigcontext) = context->R##x
+    /* Restore normal registers */
+    C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
+#undef C
+
+    SP_sig(sigcontext)   = context->Sp;   /* Stack pointer */
+    LR_sig(sigcontext)   = context->Lr ;  /* Link register */
+    PC_sig(sigcontext)   = context->Pc;   /* Program Counter */
+    CPSR_sig(sigcontext) = context->Cpsr; /* Current State Register */
+    IP_sig(sigcontext)   = context->Ip;   /* Intra-Procedure-call scratch register */
+    FP_sig(sigcontext)   = context->Fp;   /* Frame pointer */
+}
+
+
+/***********************************************************************
+ *           save_fpu
+ *
+ * Set the FPU context from a sigcontext.
+ */
+static inline void save_fpu( CONTEXT *context, const ucontext_t *sigcontext )
+{
+FIXME("not implemented\n");
+}
+
+
+/***********************************************************************
+ *           restore_fpu
+ *
+ * Restore the FPU context to a sigcontext.
+ */
+static inline void restore_fpu( CONTEXT *context, const ucontext_t *sigcontext )
+{
+FIXME("not implemented\n");
+}
+
+
+/***********************************************************************
+ *		RtlCaptureContext (NTDLL.@)
+ */
+void WINAPI RtlCaptureContext( CONTEXT *context )
+{
+    FIXME("not implemented\n");
+    memset( context, 0, sizeof(*context) );
+}
+
+
+/***********************************************************************
+ *           set_cpu_context
+ *
+ * Set the new CPU context.
+ */
+void set_cpu_context( const CONTEXT *context )
+{
+    FIXME("not implemented\n");
+    return;
+}
+
+
+/***********************************************************************
+ *           copy_context
+ *
+ * Copy a register context according to the flags.
+ */
+void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
+{
+    if (flags & CONTEXT_CONTROL)
+    {
+        to->Sp      = from->Sp;
+        to->Lr      = from->Lr;
+        to->Pc      = from->Pc;
+        to->Cpsr    = from->Cpsr;
+    }
+    if (flags & CONTEXT_INTEGER)
+    {
+        to->R0  = from->R0;
+        to->R1  = from->R1;
+        to->R2  = from->R2;
+        to->R3  = from->R3;
+        to->R4  = from->R4;
+        to->R5  = from->R5;
+        to->R6  = from->R6;
+        to->R7  = from->R7;
+        to->R8  = from->R8;
+        to->R9  = from->R9;
+        to->R10 = from->R10;
+        to->Ip  = from->Ip;
+        to->Fp  = from->Fp;
+    }
+}
+
+
+/***********************************************************************
+ *           context_to_server
+ *
+ * Convert a register context to the server format.
+ */
+NTSTATUS context_to_server( context_t *to, const CONTEXT *from )
+{
+    DWORD flags = from->ContextFlags;  /* no CPU id? */
+
+    memset( to, 0, sizeof(*to) );
+    to->cpu = CPU_ARM;
+
+    if (flags & CONTEXT_CONTROL)
+    {
+        to->flags |= SERVER_CTX_CONTROL;
+        to->ctl.arm_regs.sp   = from->Sp;
+        to->ctl.arm_regs.lr   = from->Lr;
+        to->ctl.arm_regs.pc   = from->Pc;
+        to->ctl.arm_regs.cpsr = from->Cpsr;
+    }
+    if (flags & CONTEXT_INTEGER)
+    {
+        to->flags |= SERVER_CTX_INTEGER;
+        to->integer.arm_regs.r[0]  = from->R0;
+        to->integer.arm_regs.r[1]  = from->R1;
+        to->integer.arm_regs.r[2]  = from->R2;
+        to->integer.arm_regs.r[3]  = from->R3;
+        to->integer.arm_regs.r[4]  = from->R4;
+        to->integer.arm_regs.r[5]  = from->R5;
+        to->integer.arm_regs.r[6]  = from->R6;
+        to->integer.arm_regs.r[7]  = from->R7;
+        to->integer.arm_regs.r[8]  = from->R8;
+        to->integer.arm_regs.r[9]  = from->R9;
+        to->integer.arm_regs.r[10] = from->R10;
+        to->integer.arm_regs.r[11] = from->Fp;
+        to->integer.arm_regs.r[12] = from->Ip;
+    }
+    return STATUS_SUCCESS;
+}
+
+
+/***********************************************************************
+ *           context_from_server
+ *
+ * Convert a register context from the server format.
+ */
+NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
+{
+    if (from->cpu != CPU_ARM) return STATUS_INVALID_PARAMETER;
+
+    to->ContextFlags = 0;  /* no CPU id? */
+    if (from->flags & SERVER_CTX_CONTROL)
+    {
+        to->ContextFlags |= CONTEXT_CONTROL;
+        to->Sp   = from->ctl.arm_regs.sp;
+        to->Lr   = from->ctl.arm_regs.lr;
+        to->Pc   = from->ctl.arm_regs.pc;
+        to->Cpsr = from->ctl.arm_regs.cpsr;
+    }
+    if (from->flags & SERVER_CTX_INTEGER)
+    {
+        to->ContextFlags |= CONTEXT_INTEGER;
+        to->R0  = from->integer.arm_regs.r[0];
+        to->R1  = from->integer.arm_regs.r[1];
+        to->R2  = from->integer.arm_regs.r[2];
+        to->R3  = from->integer.arm_regs.r[3];
+        to->R4  = from->integer.arm_regs.r[4];
+        to->R5  = from->integer.arm_regs.r[5];
+        to->R6  = from->integer.arm_regs.r[6];
+        to->R7  = from->integer.arm_regs.r[7];
+        to->R8  = from->integer.arm_regs.r[8];
+        to->R9  = from->integer.arm_regs.r[9];
+        to->R10 = from->integer.arm_regs.r[10];
+        to->Fp  = from->integer.arm_regs.r[11];
+        to->Ip  = from->integer.arm_regs.r[12];
+     }
+    return STATUS_SUCCESS;
+}
+
+
+/**********************************************************************
+ *           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 ARM, exceptioncode: %x\n", rec->ExceptionCode );
+
+    /* hack: call unhandled exception filter directly */
+    ptrs.ExceptionRecord = rec;
+    ptrs.ContextRecord = context;
+    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;
+
+        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;
+}
+
+
+/**********************************************************************
+ *		segv_handler
+ *
+ * Handler for SIGSEGV and related errors.
+ */
+static void segv_handler( int signal, siginfo_t *info, void *ucontext )
+{
+    EXCEPTION_RECORD rec;
+    CONTEXT context;
+    NTSTATUS status;
+
+    rec.ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
+
+    /* we want the page-fault case to be fast */
+    if ( info->si_code == SEGV_ACCERR )
+        if (!(rec.ExceptionCode = virtual_handle_fault( info->si_addr, 0 ))) return;
+
+    save_context( &context, ucontext );
+    rec.ExceptionRecord  = NULL;
+    rec.ExceptionFlags   = EXCEPTION_CONTINUABLE;
+    rec.ExceptionAddress = (LPVOID)context.Pc;
+    rec.NumberParameters = 2;
+    rec.ExceptionInformation[0] = 0;  /* FIXME: read/write access ? */
+    rec.ExceptionInformation[1] = (ULONG_PTR)info->si_addr;
+
+    status = raise_exception( &rec, &context, TRUE );
+    if (status) raise_status( status, &rec );
+    restore_context( &context, ucontext );
+}
+
+/**********************************************************************
+ *		trap_handler
+ *
+ * Handler for SIGTRAP.
+ */
+static void trap_handler( int signal, siginfo_t *info, void *ucontext )
+{
+    EXCEPTION_RECORD rec;
+    CONTEXT context;
+    NTSTATUS status;
+
+    switch ( info->si_code )
+    {
+    case TRAP_TRACE:
+        rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
+        break;
+    case TRAP_BRKPT:
+    default:
+        rec.ExceptionCode = EXCEPTION_BREAKPOINT;
+        break;
+    }
+
+    save_context( &context, ucontext );
+    rec.ExceptionFlags   = EXCEPTION_CONTINUABLE;
+    rec.ExceptionRecord  = NULL;
+    rec.ExceptionAddress = (LPVOID)context.Pc;
+    rec.NumberParameters = 0;
+    status = raise_exception( &rec, &context, TRUE );
+    if (status) raise_status( status, &rec );
+    restore_context( &context, ucontext );
+}
+
+/**********************************************************************
+ *		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 )
+{
+    if (!dispatch_signal(SIGINT))
+    {
+        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 )
+{
+    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 );
+}
+
+
+/***********************************************************************
+ *           __wine_set_signal_handler   (NTDLL.@)
+ */
+int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
+{
+    if (sig > sizeof(handlers) / sizeof(handlers[0])) return -1;
+    if (handlers[sig] != NULL) return -2;
+    handlers[sig] = wsh;
+    return 0;
+}
+
+
+/**********************************************************************
+ *             signal_alloc_thread
+ */
+NTSTATUS signal_alloc_thread( TEB **teb )
+{
+    static size_t sigstack_zero_bits;
+    SIZE_T size;
+    NTSTATUS status;
+
+    if (!sigstack_zero_bits)
+    {
+        size_t min_size = getpagesize();  /* this is just for the TEB, we don't use a signal stack yet */
+        /* find the first power of two not smaller than min_size */
+        while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
+        assert( sizeof(TEB) <= min_size );
+    }
+
+    size = 1 << sigstack_zero_bits;
+    *teb = NULL;
+    if (!(status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)teb, sigstack_zero_bits,
+                                            &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
+    {
+        (*teb)->Tib.Self = &(*teb)->Tib;
+        (*teb)->Tib.ExceptionList = (void *)~0UL;
+    }
+    return status;
+}
+
+
+/**********************************************************************
+ *             signal_free_thread
+ */
+void signal_free_thread( TEB *teb )
+{
+    SIZE_T size;
+
+    if (teb->DeallocationStack)
+    {
+        size = 0;
+        NtFreeVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
+    }
+    size = 0;
+    NtFreeVirtualMemory( NtCurrentProcess(), (void **)&teb, &size, MEM_RELEASE );
+}
+
+
+/**********************************************************************
+ *		signal_init_thread
+ */
+void signal_init_thread( TEB *teb )
+{
+    static int init_done;
+
+    if (!init_done)
+    {
+        pthread_key_create( &teb_key, NULL );
+        init_done = 1;
+    }
+    pthread_setspecific( teb_key, teb );
+}
+
+
+/**********************************************************************
+ *		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);
+}
+
+
+/**********************************************************************
+ *              __wine_enter_vm86   (NTDLL.@)
+ */
+void __wine_enter_vm86( CONTEXT *context )
+{
+    MESSAGE("vm86 mode not supported on this platform\n");
+}
+
+/***********************************************************************
+ *            RtlUnwind  (NTDLL.@)
+ */
+void WINAPI RtlUnwind( PVOID pEndFrame, PVOID targetIp, PEXCEPTION_RECORD pRecord, PVOID retval )
+{
+    FIXME( "Not implemented on ARM\n" );
+}
+
+/*******************************************************************
+ *		NtRaiseException (NTDLL.@)
+ */
+NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
+{
+    NTSTATUS status = raise_exception( rec, context, first_chance );
+    if (status == STATUS_SUCCESS) NtSetContextThread( GetCurrentThread(), context );
+    return status;
+}
+
+/***********************************************************************
+ *		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;
+}
+
+/***********************************************************************
+ *           call_thread_entry_point
+ */
+void call_thread_entry_point( LPTHREAD_START_ROUTINE entry, void *arg )
+{
+    __TRY
+    {
+        exit_thread( entry( arg ));
+    }
+    __EXCEPT(unhandled_exception_filter)
+    {
+        NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
+    }
+    __ENDTRY
+    abort();  /* should not be reached */
+}
+
+/***********************************************************************
+ *           RtlExitUserThread  (NTDLL.@)
+ */
+void WINAPI RtlExitUserThread( ULONG status )
+{
+    exit_thread( status );
+}
+
+/***********************************************************************
+ *           abort_thread
+ */
+void abort_thread( int status )
+{
+    terminate_thread( status );
+}
+
+/**********************************************************************
+ *              DbgBreakPoint   (NTDLL.@)
+ */
+void WINAPI DbgBreakPoint(void)
+{
+     kill(getpid(), SIGTRAP);
+}
+
+/**********************************************************************
+ *              DbgUserBreakPoint   (NTDLL.@)
+ */
+void WINAPI DbgUserBreakPoint(void)
+{
+     kill(getpid(), SIGTRAP);
+}
+
+/**********************************************************************
+ *           NtCurrentTeb   (NTDLL.@)
+ */
+TEB * WINAPI NtCurrentTeb(void)
+{
+    TEB *ferd;
+    ferd=pthread_getspecific( teb_key );
+    return ferd;
+}
+
+#endif  /* __arm__ */
diff --git a/include/winnt.h b/include/winnt.h
index b1f98ff..fce9952 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -1314,13 +1314,14 @@ typedef struct _CONTEXT {
 	ULONG R8;
 	ULONG R9;
 	ULONG R10;
-	ULONG R11;
-	ULONG R12;
+	ULONG Fp;
+	ULONG Ip;
 
+	/* These are selected by CONTEXT_CONTROL */
 	ULONG Sp;
 	ULONG Lr;
 	ULONG Pc;
-	ULONG Psr;
+	ULONG Cpsr;
 } CONTEXT;
 
 #endif /* __arm__ */
-- 
1.7.2.1.95.g3d045





More information about the wine-patches mailing list