author | Mike Kinghan <mikek@symbian.org> |
Thu, 25 Nov 2010 14:35:45 +0000 | |
branch | GCC_SURGE |
changeset 305 | 1ba12ef4ef89 |
parent 246 | 4a60358e2cbf |
permissions | -rw-r--r-- |
0 | 1 |
// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
2 |
// All rights reserved. |
|
3 |
// This component and the accompanying materials are made available |
|
4 |
// under the terms of the License "Eclipse Public License v1.0" |
|
5 |
// which accompanies this distribution, and is available |
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 |
// |
|
8 |
// Initial Contributors: |
|
9 |
// Nokia Corporation - initial contribution. |
|
10 |
// |
|
11 |
// Contributors: |
|
12 |
// |
|
13 |
// Description: |
|
14 |
// e32\euser\epoc\arm\uc_dll.cpp |
|
15 |
// This file contains the DLL entrypoint |
|
16 |
// |
|
17 |
// |
|
18 |
||
19 |
#include "u32std.h" |
|
20 |
||
21 |
||
22 |
extern "C" { |
|
23 |
||
24 |
#if defined(__GCC32__) |
|
25 |
||
26 |
typedef void (*PFV)(); |
|
27 |
extern PFV __CTOR_LIST__[]; |
|
28 |
extern PFV __DTOR_LIST__[]; |
|
29 |
||
30 |
GLDEF_C TInt _E32Dll_Body(TInt aReason) |
|
31 |
{ |
|
32 |
if (aReason==KModuleEntryReasonProcessAttach) |
|
33 |
{ |
|
34 |
TUint i=1; |
|
35 |
while (__CTOR_LIST__[i]) |
|
36 |
(*__CTOR_LIST__[i++])(); |
|
37 |
} |
|
38 |
else if (aReason==KModuleEntryReasonProcessDetach) |
|
39 |
{ |
|
40 |
TUint i=1; |
|
41 |
while (__DTOR_LIST__[i]) |
|
42 |
(*__DTOR_LIST__[i++])(); |
|
43 |
} |
|
44 |
return 0; |
|
45 |
} |
|
46 |
||
104
466a0df5c15a
RVCT 4.0 support, gcce fixes (Bug 2283)
Chetan Kapoor <chetank@symbian.org>
parents:
0
diff
changeset
|
47 |
#elif defined(__EABI__) |
0 | 48 |
|
246
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
49 |
#ifdef __GCCE__ |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
50 |
// Workaround for bug #3560, http://developer.symbian.org/bugs/show_bug.cgi?id=3560 |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
51 |
static int AddressIsInCodeSegment(void *addr) |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
52 |
{ |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
53 |
void * code_seg_base; |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
54 |
void * code_seg_limit; |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
55 |
asm(".extern Image$$ER_RO$$Base"); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
56 |
asm(".extern Image$$ER_RO$$Limit"); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
57 |
asm("code_seg_limit:"); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
58 |
asm(".word Image$$ER_RO$$Limit"); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
59 |
asm("code_seg_base:"); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
60 |
asm(".word Image$$ER_RO$$Base"); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
61 |
asm("ldr %[result], code_seg_base" : [result] "=r" (code_seg_base)); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
62 |
asm("ldr %[result], code_seg_limit" : [result] "=r" (code_seg_limit)); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
63 |
return addr >= code_seg_base && addr < code_seg_limit; |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
64 |
} |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
65 |
#endif |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
66 |
|
0 | 67 |
void __DLL_Export_Table__(void); |
68 |
void __cpp_initialize__aeabi_(void); |
|
104
466a0df5c15a
RVCT 4.0 support, gcce fixes (Bug 2283)
Chetan Kapoor <chetank@symbian.org>
parents:
0
diff
changeset
|
69 |
__WEAK__ void run_static_dtors(void); |
0 | 70 |
|
71 |
GLDEF_C TInt _E32Dll_Body(TInt aReason) |
|
72 |
{ |
|
73 |
if (aReason==KModuleEntryReasonProcessAttach) |
|
74 |
{ |
|
75 |
__DLL_Export_Table__(); |
|
76 |
__cpp_initialize__aeabi_(); |
|
77 |
} |
|
78 |
else if (aReason==KModuleEntryReasonProcessDetach) |
|
79 |
{ |
|
246
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
80 |
#if defined(__ARMCC__) |
0 | 81 |
int call_static_dtors = (int)run_static_dtors; |
82 |
if (call_static_dtors) run_static_dtors(); |
|
246
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
83 |
#elif defined(__GCCE__) |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
84 |
// Workaround for bug #3560, http://developer.symbian.org/bugs/show_bug.cgi?id=3560 |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
85 |
if (AddressIsInCodeSegment((void *)run_static_dtors)) run_static_dtors(); |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
86 |
#else |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
87 |
#error What compiler? |
4a60358e2cbf
Workaround for bug 3560 - [GCCE] elf2e32 puts unresolved weak function symbols in data segment.
Mike Kinghan <mikek@symbian.org>
parents:
104
diff
changeset
|
88 |
#endif |
0 | 89 |
return KErrNone; |
90 |
} |
|
91 |
return 0; |
|
92 |
} |
|
93 |
||
94 |
#else |
|
95 |
#error not supported |
|
96 |
#endif |
|
97 |
||
98 |
} // extern "C" |
|
99 |