|
1 /* |
|
2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * toplevel initialization/destruction routines for 'user side' code compiled |
|
16 * with the ARMCC EABI compiler. intended for static linking |
|
17 * |
|
18 */ |
|
19 |
|
20 |
|
21 extern "C" { |
|
22 |
|
23 // This calls each of the compiler constructed functions referenced from pi_ctorvec. |
|
24 // These functions arrange to 'call' the appropriate constructor for the 'static' instance |
|
25 // (in fact the call may be inlined). If the class of the instance has a destructor then |
|
26 // compiler records that this object needs 'destructing' at 'exit' time. It does this by |
|
27 // calling the function __cxa_atexit. We provide our own definition of this. |
|
28 // |
|
29 // This is the EABI compliant version - it uses .init_array rather than C$$pi_ctorvec |
|
30 // which means we need to do via assembler :-( |
|
31 |
|
32 #ifdef __thumb |
|
33 __asm void __cpp_initialize__aeabi_(void) |
|
34 { |
|
35 CODE16 |
|
36 #ifndef _NO_FP |
|
37 IMPORT _fp_init [WEAK] |
|
38 #endif |
|
39 IMPORT |.init_array$$Base| [WEAK] |
|
40 IMPORT |.init_array$$Limit| [WEAK] |
|
41 |
|
42 // export std::nothrow from here |
|
43 EXPORT _ZSt7nothrow |
|
44 |
|
45 #ifndef _NO_FP |
|
46 LDR r0,fpinit |
|
47 #endif |
|
48 PUSH {r4-r6,r14} |
|
49 #ifndef _NO_FP |
|
50 CMP r0,#0 |
|
51 BEQ skip |
|
52 BL _fp_init ; |
|
53 skip |
|
54 #endif |
|
55 LDR r4,base |
|
56 LDR r5,limit |
|
57 B check |
|
58 loop |
|
59 LDR r0,[r4,#0] |
|
60 ADD r0,r0,r4 |
|
61 |
|
62 BLX r0 |
|
63 ADD r4,#4 |
|
64 check |
|
65 CMP r4,r5 |
|
66 BCC loop |
|
67 POP {r4-r6,pc} |
|
68 |
|
69 #ifndef _NO_FP |
|
70 fpinit |
|
71 DCD _fp_init |
|
72 #endif |
|
73 |
|
74 // cheat - saved a whole 4 bytes!!! - value is never user |
|
75 _ZSt7nothrow |
|
76 base |
|
77 DCD |.init_array$$Base| |
|
78 limit |
|
79 DCD |.init_array$$Limit| |
|
80 |
|
81 } |
|
82 |
|
83 #else |
|
84 __asm void __cpp_initialize__aeabi_(void) |
|
85 { |
|
86 CODE32 |
|
87 #ifndef _NO_FP |
|
88 IMPORT _fp_init [WEAK] |
|
89 #endif |
|
90 IMPORT |.init_array$$Base| [WEAK] |
|
91 IMPORT |.init_array$$Limit| [WEAK] |
|
92 |
|
93 // export std::nothrow from here |
|
94 EXPORT _ZSt7nothrow |
|
95 |
|
96 #ifndef _NO_FP |
|
97 LDR r0, fpinit |
|
98 #endif |
|
99 STMFD r13!,{r3-r5,r14} |
|
100 #ifndef _NO_FP |
|
101 CMP r0, #0 |
|
102 BEQ skip |
|
103 BL _fp_init |
|
104 skip |
|
105 #endif |
|
106 LDR r4,base |
|
107 LDR r5,limit |
|
108 CMP r4,r5 |
|
109 LDMEQFD r13!,{r3-r5,pc} |
|
110 loop |
|
111 LDR r0,[r4,#0] |
|
112 ADR r14,ret |
|
113 ADD r0,r0,r4 |
|
114 MOV pc,r0 |
|
115 ret |
|
116 ADD r4,r4,#4 |
|
117 CMP r4,r5 |
|
118 BNE loop |
|
119 LDMFD r13!,{r3-r5,pc} |
|
120 |
|
121 #ifndef _NO_FP |
|
122 fpinit |
|
123 DCD _fp_init |
|
124 #endif |
|
125 |
|
126 base |
|
127 DCD |.init_array$$Base| |
|
128 limit |
|
129 DCD |.init_array$$Limit| |
|
130 |
|
131 // cheat - defining this here saves a whole 4 bytes!!! - value is never user |
|
132 _ZSt7nothrow |
|
133 |
|
134 } |
|
135 #endif |
|
136 |
|
137 } |
|
138 |