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

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