os/kernelhwsrv/kernel/eka/euser/epoc/x86/uc_exec.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
sl@0
     1
// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0
     2
// All rights reserved.
sl@0
     3
// This component and the accompanying materials are made available
sl@0
     4
// under the terms of the License "Eclipse Public License v1.0"
sl@0
     5
// which accompanies this distribution, and is available
sl@0
     6
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0
     7
//
sl@0
     8
// Initial Contributors:
sl@0
     9
// Nokia Corporation - initial contribution.
sl@0
    10
//
sl@0
    11
// Contributors:
sl@0
    12
//
sl@0
    13
// Description:
sl@0
    14
// e32\euser\epoc\x86\uc_exec.cpp
sl@0
    15
// 
sl@0
    16
//
sl@0
    17
sl@0
    18
#include <e32svr.h>
sl@0
    19
#include <u32exec.h>
sl@0
    20
sl@0
    21
sl@0
    22
/******************************************************************************
sl@0
    23
 * Slow executive calls with preprocessing or extra arguments
sl@0
    24
 ******************************************************************************/
sl@0
    25
EXPORT_C TBool BTrace::Out(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
sl@0
    26
	{
sl@0
    27
	BTrace::SExecExtension ext;
sl@0
    28
	ext.iA2 = a2;
sl@0
    29
	ext.iA3 = a3;
sl@0
    30
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
    31
	return Exec::BTraceOut(a0,a1,ext,0);
sl@0
    32
	}
sl@0
    33
sl@0
    34
EXPORT_C TBool BTrace::OutX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
sl@0
    35
	{
sl@0
    36
	BTrace::SExecExtension ext;
sl@0
    37
	ext.iA2 = a2;
sl@0
    38
	ext.iA3 = a3;
sl@0
    39
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
    40
	return Exec::BTraceOut(a0,a1,ext,0);
sl@0
    41
	}
sl@0
    42
sl@0
    43
EXPORT_C TBool BTrace::OutN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
sl@0
    44
	{
sl@0
    45
	BTrace::SExecExtension ext;
sl@0
    46
	ext.iA2 = a2;
sl@0
    47
	ext.iA3 = (TUint32)aData;
sl@0
    48
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
    49
	return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
    50
	}
sl@0
    51
sl@0
    52
EXPORT_C TBool BTrace::OutNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
sl@0
    53
	{
sl@0
    54
	BTrace::SExecExtension ext;
sl@0
    55
	ext.iA2 = a2;
sl@0
    56
	ext.iA3 = (TUint32)aData;
sl@0
    57
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
    58
	return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
    59
	}
sl@0
    60
sl@0
    61
EXPORT_C TBool BTrace::OutBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize)
sl@0
    62
	{
sl@0
    63
	BTrace::SExecExtension ext;
sl@0
    64
	ext.iA2 = 0;
sl@0
    65
	ext.iA3 = (TUint32)aData;
sl@0
    66
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
    67
sl@0
    68
	if((TUint)aDataSize>8u)
sl@0
    69
		{
sl@0
    70
		if((TUint)aDataSize>KMaxBTraceDataArray+4u)
sl@0
    71
			return Exec::BTraceOutBig(a0,a1,ext,aDataSize);
sl@0
    72
		a0 += 4;
sl@0
    73
		aDataSize -= 4;
sl@0
    74
		ext.iA2 = *((TUint32*&)aData)++;
sl@0
    75
		ext.iA3 = (TUint32)aData;
sl@0
    76
		return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
    77
		}
sl@0
    78
sl@0
    79
	if((TUint)aDataSize>4u)
sl@0
    80
		ext.iA3 = ((TUint32*)aData)[1];
sl@0
    81
	if(aDataSize)
sl@0
    82
		ext.iA2 = ((TUint32*)aData)[0];
sl@0
    83
	a0 += aDataSize;
sl@0
    84
	aDataSize = 0;
sl@0
    85
	return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
    86
	}
sl@0
    87
sl@0
    88
EXPORT_C TBool BTrace::OutFiltered(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
sl@0
    89
	{
sl@0
    90
	BTrace::SExecExtension ext;
sl@0
    91
	a0 |= EMissingRecord<<BTrace::EFlagsIndex*8; // overload meaning of this flag to indicate filtered trace
sl@0
    92
	ext.iA2 = a2;
sl@0
    93
	ext.iA3 = a3;
sl@0
    94
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
    95
	return Exec::BTraceOut(a0,a1,ext,0);
sl@0
    96
	}
sl@0
    97
sl@0
    98
EXPORT_C TBool BTrace::OutFilteredX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
sl@0
    99
	{
sl@0
   100
	BTrace::SExecExtension ext;
sl@0
   101
	a0 |= EMissingRecord<<BTrace::EFlagsIndex*8; // overload meaning of this flag to indicate filtered trace
sl@0
   102
	ext.iA2 = a2;
sl@0
   103
	ext.iA3 = a3;
sl@0
   104
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
   105
	return Exec::BTraceOut(a0,a1,ext,0);
sl@0
   106
	}
sl@0
   107
sl@0
   108
EXPORT_C TBool BTrace::OutFilteredN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
sl@0
   109
	{
sl@0
   110
	BTrace::SExecExtension ext;
sl@0
   111
	a0 |= EMissingRecord<<BTrace::EFlagsIndex*8; // overload meaning of this flag to indicate filtered trace
sl@0
   112
	ext.iA2 = a2;
sl@0
   113
	ext.iA3 = (TUint32)aData;
sl@0
   114
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
   115
	return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
   116
	}
sl@0
   117
sl@0
   118
EXPORT_C TBool BTrace::OutFilteredNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
sl@0
   119
	{
sl@0
   120
	BTrace::SExecExtension ext;
sl@0
   121
	a0 |= EMissingRecord<<BTrace::EFlagsIndex*8; // overload meaning of this flag to indicate filtered trace
sl@0
   122
	ext.iA2 = a2;
sl@0
   123
	ext.iA3 = (TUint32)aData;
sl@0
   124
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
   125
	return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
   126
	}
sl@0
   127
sl@0
   128
EXPORT_C TBool BTrace::OutFilteredBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize)
sl@0
   129
	{
sl@0
   130
	BTrace::SExecExtension ext;
sl@0
   131
	a0 |= EMissingRecord<<BTrace::EFlagsIndex*8; // overload meaning of this flag to indicate filtered trace
sl@0
   132
	ext.iA2 = 0;
sl@0
   133
	ext.iA3 = (TUint32)aData;
sl@0
   134
	ext.iPc = (&a0)[-1]; // return address on X86
sl@0
   135
sl@0
   136
	if((TUint)aDataSize>8u)
sl@0
   137
		{
sl@0
   138
		if((TUint)aDataSize>KMaxBTraceDataArray+4u)
sl@0
   139
			return Exec::BTraceOutBig(a0,a1,ext,aDataSize);
sl@0
   140
		a0 += 4;
sl@0
   141
		aDataSize -= 4;
sl@0
   142
		ext.iA2 = *((TUint32*&)aData)++;
sl@0
   143
		ext.iA3 = (TUint32)aData;
sl@0
   144
		return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
   145
		}
sl@0
   146
sl@0
   147
	if((TUint)aDataSize>4u)
sl@0
   148
		ext.iA3 = ((TUint32*)aData)[1];
sl@0
   149
	if(aDataSize)
sl@0
   150
		ext.iA2 = ((TUint32*)aData)[0];
sl@0
   151
	a0 += aDataSize;
sl@0
   152
	aDataSize = 0;
sl@0
   153
	return Exec::BTraceOut(a0,a1,ext,aDataSize);
sl@0
   154
	}
sl@0
   155
sl@0
   156
EXPORT_C TBool BTrace::OutFilteredPcFormatBig(TUint32 aHeader, TUint32 aModuleUid, TUint32 aPc, TUint16 aFormatId, const TAny* aData, TInt aDataSize)
sl@0
   157
	{
sl@0
   158
 	BTrace::SExecExtension ext;
sl@0
   159
	aHeader |= EMissingRecord<<BTrace::EFlagsIndex*8; // overload meaning of this flag to indicate filtered trace
sl@0
   160
	ext.iA2 = aFormatId;
sl@0
   161
	ext.iA3 = (TUint32)aData;
sl@0
   162
	ext.iPc = aPc;
sl@0
   163
sl@0
   164
	if((TUint)aDataSize>KMaxBTraceDataArray)
sl@0
   165
		return Exec::UTraceOut(aHeader,aModuleUid,ext,aDataSize);
sl@0
   166
	aHeader += 4;
sl@0
   167
	return Exec::BTraceOut(aHeader,aModuleUid,ext,aDataSize);
sl@0
   168
	}
sl@0
   169
sl@0
   170
/**
sl@0
   171
Signal this threads request semaphore.
sl@0
   172
sl@0
   173
This is similar to RThread::RequestComplete() except that no TRequestStatus object
sl@0
   174
is modified.
sl@0
   175
sl@0
   176
May only be used to signal a thread in the same process as the callers.
sl@0
   177
sl@0
   178
@panic KERN-EXEC 46 if the thread is not in the same process as the callers
sl@0
   179
*/
sl@0
   180
EXPORT_C void RThread::RequestSignal() const
sl@0
   181
	{
sl@0
   182
	Exec::ThreadRequestSignal(iHandle);
sl@0
   183
	}
sl@0
   184
sl@0
   185
sl@0
   186