[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