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comparison src/gpf2/inc/pub_L1_misc_enter.h @ 1:864b8cc0cf63

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src/gpf2: preened GPF goo from TCS211
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2016 23:38:58 +0000
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0:945cf7f506b2 1:864b8cc0cf63
1 /*
2 +------------------------------------------------------------------------------
3 | File: pub_L1_misc_enter.h
4 +------------------------------------------------------------------------------
5 | Copyright 2004 Texas Instruments Deutschland GmbH
6 | All rights reserved.
7 |
8 | This file is confidential and a trade secret of Texas
9 | Instruments Deutschland GmbH.
10 | The receipt of or possession of this file does not convey
11 | any rights to reproduce or disclose its contents or to
12 | manufacture, use, or sell anything it may describe, in
13 | whole, or in part, without the specific written consent of
14 | Texas Instruments Deutschland GmbH.
15 +------------------------------------------------------------------------------
16 | Purpose: Check the SrcFileTime of the ccdgen generated header files at link time.
17 |
18 | The macros in this file help to detect version mismatch between
19 | header files included for build of different libraries.
20 | Example of a linker error:
21 | xx_tdc_3_constraints.obj : error LNK2001:
22 | unresolved external symbol
23 | "char BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002"
24 | (?BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002@@3DA)
25 | \gpf\util\teststack\bin\test_xx_tdc\xx_tdc.dll :
26 | fatal error LNK1120: 1 unresolved externals
27 | Error executing link.exe.
28 |
29 | The first group of macros (protected by PUB_L1_MISC_ENTER) are necessary
30 | to build the strings of type "BadLibVersionCheck__xxx".
31 |
32 | They need in turn other macros which are set in the *.h files of
33 | cdginc, tdcinc or message_san.h directory.
34 | (e.g. PUB_L1_MISC_ENTER__M_XX_VAL_H__FILE_TYPE)
35 |
36 | The check is done only for the header files where
37 | ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK is switched on.
38 |
39 +------------------------------------------------------------------------------
40 */
41
42 #ifndef PUB_L1_MISC_ENTER
43 #define PUB_L1_MISC_ENTER
44
45
46 /* we need a 2 stage approach to expand A and B before concatting them */
47 #define PUB_L1_MISC_ENTER_CONCATx(A,B) A##B
48 #define PUB_L1_MISC_ENTER_CONCAT(A,B) PUB_L1_MISC_ENTER_CONCATx(A,B)
49 #define PUB_L1_MISC_ENTER_CONCAT3x(A,B,C) A##B##C
50 #define PUB_L1_MISC_ENTER_CONCAT3(A,B,C) PUB_L1_MISC_ENTER_CONCAT3x(A,B,C)
51 #define PUB_L1_MISC_ENTER_CONCAT4x(A,B,C,D) A##B##C##D
52 #define PUB_L1_MISC_ENTER_CONCAT4(A,B,C,D) PUB_L1_MISC_ENTER_CONCAT4x(A,B,C,D)
53
54 /* we need a 2 stage approach to expand A before stringifying it */
55 #define PUB_L1_MISC_ENTER_STRINGx(A) #A
56 #define PUB_L1_MISC_ENTER_STRING(A) PUB_L1_MISC_ENTER_STRINGx(A)
57
58 #define PUB_L1_MISC_ENTER_GET_PRAGMA(PRAGMA) PUB_L1_MISC_ENTER_CONCAT3(PUB_L1_MISC_ENTER_,PUB_L1_MISC_ENTER__FILENAME,__##PRAGMA)
59
60
61 #define PUB_L1_MISC_ENTER_GET_FILE_TYPE PUB_L1_MISC_ENTER_CONCAT(PUB_L1_MISC_ENTER_FILE_TYPE__,PUB_L1_MISC_ENTER_GET_PRAGMA(FILE_TYPE))
62
63 #define PUB_L1_MISC_ENTER_SANITY_NAME PUB_L1_MISC_ENTER_CONCAT4(BadLibVersionCheck___,PUB_L1_MISC_ENTER__FILENAME,___,PUB_L1_MISC_ENTER_GET_PRAGMA(SRC_FILE_TIME))
64
65
66 /* create an enumerate sequence of the known file types so we can test which one we have with a '#if A == B' line */
67 #define PUB_L1_MISC_ENTER_FILE_TYPE__CDGINC 1
68 #define PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC 2
69 #define PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC_DSC 3
70 #define PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC_MAIN 4
71 #endif
72
73 /*
74 * The check will be done only for files where
75 * ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK is switched on.
76 */
77 #if (PUB_L1_MISC_ENTER_GET_FILE_TYPE == PUB_L1_MISC_ENTER_FILE_TYPE__TDCINC)
78 #define ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK
79 #endif
80
81 #ifdef PUB_L1_MISC_ENTER_DEBUG
82 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER__FILENAME))
83 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER_SANITY_NAME))
84 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER_GET_FILE_TYPE))
85 #endif
86
87 #ifdef ENABLE__PUB_L1_MISC_ENTER__SANITY_CHECK
88 #ifdef PUB_L1_MISC_ENTER_DEFINE_SANITY
89
90 char PUB_L1_MISC_ENTER_SANITY_NAME;
91 #else
92 #ifdef PUB_L1_MISC_ENTER_DEBUG
93 #pragma message (PUB_L1_MISC_ENTER_STRING(PUB_L1_MISC_ENTER_CONCAT(BadLibVersionCheck___,PUB_L1_MISC_ENTER__FILENAME)))
94 #endif
95 /* This part goes into
96 every stack file using the ccdgen generated files (one for each used file)
97
98 expands to e.g.
99 extern char BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002
100 */
101 extern char PUB_L1_MISC_ENTER_SANITY_NAME;
102 /* Originally it was this but since no one actually uses this stuff (we only have
103 it for the linker to check that versions match) we can save memory by only
104 storing the 8 lower bits.
105
106 expands to e.g.
107 static char BadLibVersionCheck____P_XX_TDC_3_VAL_H = (char)(&BadLibVersionCheck____P_XX_TDC_3_VAL_H____Thu_Dec_12_17_49_56_2002);
108 */
109 static char PUB_L1_MISC_ENTER_CONCAT(BadLibVersionCheck___,PUB_L1_MISC_ENTER__FILENAME) = (char)(&PUB_L1_MISC_ENTER_SANITY_NAME);
110 #endif
111 #endif