author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 21:31:10 +0200 | |
changeset 11 | 329ab0095843 |
parent 10 | 36bfc973b146 |
permissions | -rw-r--r-- |
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "ARM EABI LICENCE.txt" |
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// which accompanies this distribution, and is available |
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// in kernel/eka/compsupp. |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32/compsupp/symaehabi/symbian_support.cpp |
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// |
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// |
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/* Environment: */ |
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#include "unwind_env.h" |
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/* Language-independent unwinder declarations: */ |
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#include "unwinder.h" |
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/* Symbian specific support */ |
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#include "symbian_support.h" |
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#include <e32def.h> |
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#include <e32def_private.h> |
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#include <e32rom.h> |
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#include <e32svr.h> |
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#include <e32debug.h> |
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static void __default_terminate_handler(void) |
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{ |
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abort(); |
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} |
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#define NAMES __ARM |
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namespace NAMES { void default_unexpected_handler(void); } |
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EXPORT_C TCppRTExceptionsGlobals::TCppRTExceptionsGlobals() |
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{ |
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buffer.inuse = false; |
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thread_globals.uncaughtExceptions = 0; |
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thread_globals.unexpectedHandler = NAMES::default_unexpected_handler; |
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thread_globals.terminateHandler = __default_terminate_handler; |
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thread_globals.implementation_ever_called_terminate = false; |
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thread_globals.call_hook = NULL; |
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thread_globals.caughtExceptions = NULL; |
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thread_globals.propagatingExceptions = NULL; |
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thread_globals.emergency_buffer = &buffer; |
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Dll::SetTls(this); |
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} |
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#if __ARMCC_VERSION < 220000 |
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extern "C" |
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{ |
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/* |
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we have to dummy up the following for 2.1. The names changed in the def file |
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since in 2.2 catch handlers should be able to deal with imported RTTI |
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|
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_ZTI15XLeaveException @ 206 NONAME ; Typeinfo for XLeaveException |
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_ZTV15XLeaveException @ 207 NONAME ; vtable for XLeaveException |
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_ZN15XLeaveException16ForceKeyFunctionEv @ 208 NONAME ; the key function for XLeaveException |
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*/ |
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EXPORT_C void _ZTI15XLeaveException() |
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{ |
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// reserve a DEF file slot for key function |
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} |
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EXPORT_C void _ZTV15XLeaveException() |
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{ |
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// reserve a DEF file slot for vtable |
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} |
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|
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EXPORT_C void _ZN15XLeaveException16ForceKeyFunctionEv() |
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{ |
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// reserve a DEF file slot for RTTI |
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} |
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} |
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|
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#else |
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// This is the key function that forces the class impedimenta to be get exported in RVCT 2.2 and later. |
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EXPORT_C void XLeaveException::ForceKeyFunction(){} |
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#endif |
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|
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#if 0 |
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#pragma push |
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#pragma arm |
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// If the strings were word aligned we could do something like this. |
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// We could even do this if we checked the alignment of the strings. |
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// Unfortunately the chances of them both being word aligned are |
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// sufficiently slim (1/16) that the test for alignment will be carried out |
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// most of time for no good purpose. |
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static inline int typenameeq(const char* n1, const char* n2) |
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{ |
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if (n1 == n2) |
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return 1; |
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int* i1 = (int*)n1; |
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int* i2 = (int*)n2; |
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int w1=0; |
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int w2=0; |
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int x1, x2; |
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103 |
for (int i = 0, w1=i1[i], w2=i2[i]; w1 == w2; i++, w1=i1[i], w2=i2[i]) |
96e5fb8b040d
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parents:
diff
changeset
|
104 |
{ |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
105 |
// they're the same but they might contain the terminator |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
106 |
if (!(w1 & 0xffffff00)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
return 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
108 |
if (!(w1 & 0xffff00ff)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
109 |
return 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
110 |
if (!(w1 & 0xff00ffff)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
111 |
return 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
112 |
if (!(w1 & 0x00ffffff)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
113 |
return 1; |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
114 |
} |
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Revision: 200951
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parents:
diff
changeset
|
115 |
// they're not the same but they might contain the terminator in the same place |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
116 |
x1 = w1 & 0x000000ff; |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
117 |
x2 = w2 & 0x000000ff; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
118 |
if (!x1 && !x2) |
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Revision: 200951
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parents:
diff
changeset
|
119 |
return 1; |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
120 |
if (x1 != x2) |
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Revision: 200951
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parents:
diff
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|
121 |
return 0; |
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Revision: 200951
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parents:
diff
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|
122 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
123 |
x1 = w1 & 0x0000ff00; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
124 |
x2 = w2 & 0x0000ff00; |
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Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
125 |
if (!x1 && !x2) |
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Revision: 200951
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parents:
diff
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|
126 |
return 1; |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
127 |
if (x1 != x2) |
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Revision: 200951
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parents:
diff
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|
128 |
return 0; |
96e5fb8b040d
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parents:
diff
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|
129 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
130 |
x1 = w1 & 0x00ff0000; |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
131 |
x2 = w2 & 0x00ff0000; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
132 |
if (!x1 && !x2) |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
133 |
return 1; |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
134 |
if (x1 != x2) |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
135 |
return 0; |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
136 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
137 |
x1 = w1 & 0xff000000; |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
138 |
x2 = w2 & 0xff000000; |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
139 |
if (!x1 && !x2) |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
140 |
return 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
141 |
if (x1 != x2) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
142 |
return 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
143 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
144 |
// just to keep the compiler quiet |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
145 |
return 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
146 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
147 |
#pragma pop |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
148 |
#endif |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
149 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
150 |
extern "C" { |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
151 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
152 |
IMPORT_C void abort(); |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
153 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
154 |
TRomExceptionSearchTable * GetROMExceptionSearchTable(void) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
155 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
156 |
return (TRomExceptionSearchTable *)((TRomHeader *)UserSvr::RomHeaderAddress())->iRomExceptionSearchTable; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
157 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
158 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
159 |
TExceptionDescriptor* SearchEST(uint32_t addr, TRomExceptionSearchTable* aESTp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
160 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
161 |
uint32_t l = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
uint32_t nelems = aESTp->iNumEntries; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
uint32_t r = nelems; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
164 |
uint32_t m = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
165 |
uint32_t val; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
166 |
uint32_t* base = (uint32_t*)&aESTp->iEntries[0]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
while (r > l) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
168 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
m = (l + r) >> 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
170 |
val = base[m]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
171 |
if (val > addr) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
172 |
r = m; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
173 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
174 |
l = m + 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
175 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
176 |
val = base[l-1]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
177 |
if (addr >= val && addr < base[l]) /* relies on presence of fencepost at the end */ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
178 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
179 |
const TRomImageHeader* rih = (const TRomImageHeader*)val; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
180 |
return (TExceptionDescriptor*)rih[-1].iExceptionDescriptor; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
181 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
182 |
return 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
183 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
184 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
185 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
186 |
TExceptionDescriptor * GetRAMLoadedExceptionDescriptor(uint32_t addr) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
187 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
188 |
TLinAddr aEDp = UserSvr::ExceptionDescriptor(addr); |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
189 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
190 |
SYMBIAN_EH_SUPPORT_PRINTF("UserSvr::ExceptionDescriptor for %08x returned %08x\n", addr, aEDp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
191 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
192 |
return (TExceptionDescriptor *)(aEDp & 0xfffffffe); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
193 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
194 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
195 |
void InitialiseSymbianSpecificUnwinderCache(uint32_t addr, _Unwind_Control_Block * ucbp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
196 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
197 |
SET_ROM_EST(ucbp, GetROMExceptionSearchTable()); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
198 |
if (!ReLoadExceptionDescriptor(addr, ucbp)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
199 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
200 |
SYMBIAN_EH_SUPPORT_PRINTF("EH ERROR: no exception descriptor for address 0x%08x\n", addr); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
201 |
abort(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
202 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
205 |
TExceptionDescriptor * ReLoadExceptionDescriptor(uint32_t addr, _Unwind_Control_Block * ucbp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
207 |
/* Check to see if address is in range covered by ROM EST. If |
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it is find the exception descriptor for the address, |
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checking that the address is in the range covered by the |
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210 |
descriptor. Otherwise it comes from a RAM loaded |
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executable so get the kernel to find the exception |
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descriptor for us. |
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213 |
*/ |
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TRomExceptionSearchTable * aESTp = GET_ROM_EST(ucbp); |
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TExceptionDescriptor * aEDp = NULL; |
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if (aESTp && addr >= aESTp->iEntries[0] && addr < GET_EST_FENCEPOST(aESTp)) |
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217 |
{ |
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aEDp = SearchEST(addr, aESTp); |
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goto jobdone; |
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220 |
} |
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aEDp = GetRAMLoadedExceptionDescriptor(addr); |
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if (!aEDp) |
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223 |
{ |
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224 |
// look in extension ROM if there is one |
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225 |
TUint main_start = UserSvr::RomHeaderAddress(); |
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TUint main_end = main_start + ((TRomHeader*)main_start)->iUncompressedSize; |
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227 |
|
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TUint rda = UserSvr::RomRootDirectoryAddress(); |
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229 |
|
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230 |
// Assume rom starts on multiple of 4k |
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231 |
if (rda > main_end) |
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232 |
{ |
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233 |
// ASSUMPTIONS HERE |
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// 1. root directory is past the end of the main ROM so there must be an extension ROM |
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// 2. the ROM file system in the extension ROM is at the beginning of the ROM (similar to the |
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236 |
// main ROM) |
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237 |
// 3. the extension ROM is mapped starting at a megabyte boundary |
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238 |
// Thus the address of the extension ROM header may be obtained by rounding the root directory |
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239 |
// address down to the next megabyte boundary. |
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|
240 |
|
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|
241 |
TUint ext_start = rda &~ 0x000fffffu; |
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|
242 |
TRomExceptionSearchTable* extrom_exctab = (TRomExceptionSearchTable*)(((TExtensionRomHeader*)ext_start)->iRomExceptionSearchTable); |
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|
243 |
if (extrom_exctab && addr >= extrom_exctab->iEntries[0] && addr < GET_EST_FENCEPOST(extrom_exctab)) |
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244 |
aEDp = SearchEST(addr, extrom_exctab); |
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245 |
} |
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|
246 |
} |
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|
247 |
|
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248 |
jobdone: |
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|
249 |
SYMBIAN_EH_SUPPORT_PRINTF("ReLoadExceptionDescriptor: Exception descriptor for address 0x%08x = 0x%08x\n\r", addr, aEDp); |
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|
250 |
|
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|
251 |
if (aEDp && ADDRESS_IN_EXCEPTION_DESCRIPTOR_RANGE(addr, aEDp)) |
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|
252 |
return SET_EXCEPTION_DESCRIPTOR(ucbp, aEDp); |
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253 |
else |
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|
254 |
return NULL; |
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|
255 |
} |
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|
256 |
|
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|
257 |
|
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|
258 |
const __EIT_entry* SearchEITV1(uint32_t return_address_offset, const __EIT_entry* base, unsigned int nelems) |
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|
259 |
{ |
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260 |
uint32_t l = 0; |
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|
261 |
uint32_t r = nelems; |
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|
262 |
uint32_t m=0; |
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|
263 |
uint32_t val; |
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|
264 |
while (r>l) |
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|
265 |
{ |
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|
266 |
m = (l + r) >> 1; |
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|
267 |
val = base[m].fnoffset; |
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|
268 |
if (val > return_address_offset) |
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|
269 |
r = m; |
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|
270 |
else |
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|
271 |
l = m + 1; |
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|
272 |
} |
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|
273 |
#ifdef _DEBUG |
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|
274 |
val = base[l-1].fnoffset; |
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|
275 |
SYMBIAN_EH_SUPPORT_PRINTF("SearchEITV1: Located IDX with fnoffset = %08x\n\r", val); |
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|
276 |
#endif |
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|
277 |
return base + l - 1; |
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|
278 |
} |
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|
279 |
|
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|
280 |
/* R_ARM_PREL31 is a place-relative 31-bit signed relocation. The |
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|
281 |
* routine takes the address of a location that was relocated by |
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|
282 |
* R_ARM_PREL31, and returns an absolute address. |
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|
283 |
*/ |
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|
284 |
static FORCEINLINE uint32_t __ARM_resolve_prel31(void *p) |
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|
285 |
{ |
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|
286 |
return (uint32_t)((((*(int32_t *)p) << 1) >> 1) + (int32_t)p); |
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|
287 |
} |
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|
288 |
|
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|
289 |
__EIT_entry* SearchEITV2(uint32_t return_address, const __EIT_entry* base, unsigned int nelems) |
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|
290 |
{ |
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|
291 |
uint32_t l = 0; |
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|
292 |
uint32_t r = nelems; |
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|
293 |
uint32_t m=0; |
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|
294 |
uint32_t val; |
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|
295 |
while (r>l) |
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|
296 |
{ |
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|
297 |
m = (l + r) >> 1; |
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|
298 |
val = __ARM_resolve_prel31((void *)&base[m].fnoffset); |
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|
299 |
if (val > return_address) |
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|
300 |
r = m; |
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|
301 |
else |
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|
302 |
l = m + 1; |
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|
303 |
} |
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Revision: 200951
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diff
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|
304 |
#ifdef _DEBUG |
96e5fb8b040d
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|
305 |
val = __ARM_resolve_prel31((void *)&base[l-1].fnoffset); |
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|
306 |
SYMBIAN_EH_SUPPORT_PRINTF("SearchEITV2: Located IDX with fn address = %08x\n\r", val); |
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|
307 |
#endif |
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return ((__EIT_entry *)base) + l - 1; |
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} |
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#ifdef _DEBUG |
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class TestOverflowTruncate8 : public TDes8Overflow |
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{ |
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public: |
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virtual void Overflow(TDes8& /*aDes*/) {} |
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}; |
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#endif |
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void DebugPrintf(const char * aFmt, ...) |
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{ |
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#ifdef _DEBUG |
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TestOverflowTruncate8 overflow; |
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VA_LIST list; |
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VA_START(list,aFmt); |
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TPtrC8 fmt((const TUint8 *)aFmt); |
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TBuf8<0x100> buf; |
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buf.AppendFormatList(fmt,list,&overflow); |
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TBuf<0x100> buf2; |
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buf2.Copy(buf); |
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if (buf2[buf2.Length()-1]=='\n') buf2.Append('\r'); |
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RDebug::RawPrint(buf2); |
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#else |
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(void)aFmt; |
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#endif |
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} |
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} // extern "C" |