Mercurial > pub > dyncall > dyncall
annotate test/thunk/test_thunk.c @ 32:f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
| author | cslag |
|---|---|
| date | Fri, 27 Nov 2015 01:11:49 +0100 |
| parents | 3e629dc19168 |
| children | bbefb8b8e74c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: test | |
| 5 File: test/thunk/test_thunk.c | |
| 6 Description: | |
| 7 License: | |
| 8 | |
| 9 Copyright (c) 2011-2015 Daniel Adler <dadler@uni-goettingen.de>, | |
| 10 Tassilo Philipp <tphilipp@potion-studios.com> | |
| 11 | |
| 12 Permission to use, copy, modify, and distribute this software for any | |
| 13 purpose with or without fee is hereby granted, provided that the above | |
| 14 copyright notice and this permission notice appear in all copies. | |
| 15 | |
| 16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 23 | |
| 24 */ | |
| 25 | |
| 26 #include "../../dyncall/dyncall.h" | |
| 27 #include "../../dyncallback/dyncall_thunk.h" | |
| 28 #include "../../dyncallback/dyncall_alloc_wx.h" | |
| 29 #include "../common/platformInit.h" | |
| 30 #include "../common/platformInit.c" /* Impl. for functions only used in this translation unit */ | |
| 31 | |
| 32 | |
| 33 /** | |
| 34 ** test: thunks with several allocation modes | |
| 35 ** such as on stack, on heap and explicit wx | |
| 36 ** | |
| 37 **/ | |
| 38 | |
| 39 #include <assert.h> | |
| 40 #include <errno.h> | |
|
32
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
41 #include <signal.h> |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
42 #include <setjmp.h> |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
43 |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
44 jmp_buf jbuf; |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
45 |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
46 |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
47 void segv_handler(int sig) |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
48 { |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
49 longjmp(jbuf, 1); |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
50 } |
| 0 | 51 |
| 52 void my_entry(const char* text) | |
| 53 { | |
| 54 printf("%s: 1\n", text); | |
| 55 } | |
| 56 | |
| 57 typedef void (printfun)(const char*); | |
| 58 | |
| 59 void test_stack() | |
| 60 { | |
| 61 DCThunk t; | |
| 62 printfun* fp; | |
| 63 dcbInitThunk(&t, &my_entry); | |
| 64 fp = (printfun*)&t; | |
|
32
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
65 if(setjmp(jbuf) != 0) |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
66 printf("sigsegv\n"); |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
67 else |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
68 fp("stack"); |
| 0 | 69 } |
| 70 | |
| 71 #include <stdlib.h> | |
| 72 | |
| 73 void test_heap() | |
| 74 { | |
| 75 printfun* fp; | |
| 76 DCThunk* p = (DCThunk*)malloc(sizeof(DCThunk)); | |
| 77 if(!p) { | |
| 78 printf("0\n"); | |
| 79 return; | |
| 80 } | |
| 81 dcbInitThunk(p, &my_entry); | |
| 82 fp = (printfun*)p; | |
|
32
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
83 if(setjmp(jbuf) != 0) |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
84 printf("sigsegv\n"); |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
85 else |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
86 fp("heap"); |
| 0 | 87 free(p); |
| 88 } | |
| 89 | |
| 90 void test_wx() | |
| 91 { | |
| 92 DCThunk* p; | |
| 93 printfun* fp; | |
| 94 int err = dcAllocWX(sizeof(DCThunk), (void**)&p); | |
| 95 if(err || !p) { | |
| 96 printf("0\n"); | |
| 97 return; | |
| 98 } | |
| 99 dcbInitThunk(p, &my_entry); | |
| 100 fp = (printfun*)p; | |
|
32
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
101 if(setjmp(jbuf) != 0) |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
102 printf("sigsegv\n"); |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
103 else |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
104 fp("wx"); |
| 0 | 105 dcFreeWX((void*)p, sizeof(DCThunk)); |
| 106 } | |
| 107 | |
| 108 int main() | |
| 109 { | |
| 110 dcTest_initPlatform(); | |
| 111 | |
|
32
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
112 signal(SIGSEGV, segv_handler); |
|
f533c5ad1b6e
- added some exception handling to thunk test, to catch w^x tests, etc.
cslag
parents:
0
diff
changeset
|
113 |
| 0 | 114 printf("Allocating ...\n"); |
| 115 printf("... W^X memory: "); | |
| 116 test_wx(); | |
| 117 printf("... heap memory: "); | |
| 118 test_heap(); | |
| 119 printf("... stack memory: "); | |
| 120 test_stack(); | |
| 121 | |
| 122 dcTest_deInitPlatform(); | |
| 123 | |
| 124 return 0; | |
| 125 } | |
| 126 |