testing/test-cases/dladdr-dylib.dtest/main.c

   1
   2 // BUILD:  $CC foo.c -dynamiclib  -install_name $RUN_DIR/libfoo.dylib -o $BUILD_DIR/libfoo.dylib
   3 // BUILD:  $CC main.c $BUILD_DIR/libfoo.dylib -o $BUILD_DIR/dladdr-basic.exe
   4
   5 // RUN:  ./dladdr-basic.exe
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <dlfcn.h>
  11 #include <mach-o/dyld_priv.h>
  12
  13 extern void* __dso_handle;
  14
  15 extern void verifyDylib();
  16
  17 int bar()
  18 {
  19     return 2;
  20 }
  21
  22 static int foo()
  23 {
  24     return 3;
  25 }
  26
  27 __attribute__((visibility("hidden"))) int hide()
  28 {
  29     return 4;
  30 }
  31
  32 // checks global symbol
  33 static void verifybar()
  34 {
  35     Dl_info info;
  36     if ( dladdr(&bar, &info) == 0 ) {
  37         printf("[FAIL] dladdr(&bar, xx) failed\n");
  38         exit(0);
  39     }
  40     if ( strcmp(info.dli_sname, "bar") != 0 ) {
  41         printf("[FAIL] dladdr()->dli_sname is \"%s\" instead of \"bar\"\n", info.dli_sname);
  42         exit(0);
  43     }
  44     if ( info.dli_saddr != &bar) {
  45         printf("[FAIL] dladdr()->dli_saddr is not &bar\n");
  46         exit(0);
  47     }
  48     if ( info.dli_fbase != &__dso_handle ) {
  49         printf("[FAIL] dladdr()->dli_fbase is not image that contains &bar\n");
  50         exit(0);
  51     }
  52 }
  53
  54 // checks local symbol
  55 static void verifyfoo()
  56 {
  57     Dl_info info;
  58     if ( dladdr(&foo, &info) == 0 ) {
  59         printf("[FAIL] dladdr(&foo, xx) failed\n");
  60         exit(0);
  61     }
  62     if ( strcmp(info.dli_sname, "foo") != 0 ) {
  63         printf("[FAIL] dladdr()->dli_sname is \"%s\" instead of \"foo\"\n", info.dli_sname);
  64         exit(0);
  65     }
  66     if ( info.dli_saddr != &foo) {
  67         printf("[FAIL] dladdr()->dli_saddr is not &foo\n");
  68         exit(0);
  69     }
  70     if ( info.dli_fbase != &__dso_handle ) {
  71         printf("[FAIL] dladdr()->dli_fbase is not image that contains &foo\n");
  72         exit(0);
  73     }
  74 }
  75
  76 // checks hidden symbol
  77 static void verifyhide()
  78 {
  79     Dl_info info;
  80     if ( dladdr(&hide, &info) == 0 ) {
  81         printf("[FAIL] dladdr(&hide, xx) failed\n");
  82         exit(0);
  83     }
  84     if ( strcmp(info.dli_sname, "hide") != 0 ) {
  85         printf("[FAIL] dladdr()->dli_sname is \"%s\" instead of \"hide\"\n", info.dli_sname);
  86         exit(0);
  87     }
  88     if ( info.dli_saddr != &hide) {
  89         printf("[FAIL] dladdr()->dli_saddr is not &hide\n");
  90         exit(0);
  91     }
  92     if ( info.dli_fbase != &__dso_handle ) {
  93         printf("[FAIL] dladdr()->dli_fbase is not image that contains &hide\n");
  94         exit(0);
  95     }
  96 }
  97
  98 // checks dylib symbol
  99 static void verifymalloc()
 100 {
 101     Dl_info info;
 102     if ( dladdr(&malloc, &info) == 0 ) {
 103         printf("[FAIL] dladdr(&malloc, xx) failed\n");
 104         exit(0);
 105     }
 106     if ( strcmp(info.dli_sname, "malloc") != 0 ) {
 107         printf("[FAIL] dladdr()->dli_sname is \"%s\" instead of \"malloc\"\n", info.dli_sname);
 108         exit(0);
 109     }
 110     if ( info.dli_saddr != &malloc) {
 111         printf("[FAIL] dladdr()->dli_saddr is not &malloc\n");
 112         exit(0);
 113     }
 114     if ( info.dli_fbase != dyld_image_header_containing_address(&malloc) ) {
 115         printf("[FAIL] dladdr()->dli_fbase is not image that contains &malloc\n");
 116         exit(0);
 117     }
 118 }
 119
 120
 121 int main()
 122 {
 123     printf("[BEGIN] dladdr-basic\n");
 124     verifybar();
 125     verifyhide();
 126     verifyfoo();
 127     verifymalloc();
 128
 129     verifyDylib();
 130
 131     printf("[PASS] dladdr-basic\n");
 132     return 0;
 133 }
 134