testing/test-cases/crt-old-mac10.6-vars-libSystem.dtest/main.c

   1 // BUILD_ONLY:      MacOSX
   2 // BUILD_MIN_OS:    10.6
   3
   4 // BUILD:  $CC main.c            -o $BUILD_DIR/crt-vars10.6-libSystem.exe
   5
   6 // RUN:  ./crt-vars10.6-libSystem.exe
   7
   8 #include <stdio.h>
   9 #include <dlfcn.h>
  10 #include <string.h>
  11 #include <crt_externs.h>
  12 #include <mach-o/ldsyms.h>
  13
  14 #include "test_support.h"
  15
  16 // This struct is passed as fifth parameter to libSystem.dylib's initializer so it record
  17 // the address of crt global variables.
  18 struct ProgramVars
  19 {
  20     const void*        mh;
  21     int*               NXArgcPtr;
  22     char***            NXArgvPtr;
  23     char***            environPtr;
  24     char**             __prognamePtr;
  25 };
  26
  27
  28 // global variables defeined in crt1.o
  29 extern char**  NXArgv;
  30 extern int     NXArgc;
  31 extern char**  environ;
  32 extern char*   __progname;
  33
  34
  35 static const struct ProgramVars* sVars;
  36
  37 void __attribute__((constructor))
  38 myInit(int argc, const char* argv[], const char* envp[], const char* apple[], const struct ProgramVars* vars)
  39 {
  40     sVars = vars;
  41 }
  42
  43
  44 int main(int argc, const char* argv[])
  45 {
  46     if ( _NSGetArgv() != &NXArgv ) {
  47         FAIL("crt-libSystem: _NSGetArgv() != &NXArgv (%p!=%p) for %s", _NSGetArgv(), &NXArgv, argv[0]);
  48     }
  49
  50     if ( _NSGetArgc() != &NXArgc ) {
  51         FAIL("crt-libSystem: _NSGetArgc() != &NXArgc (%p!=%p) for %s", _NSGetArgc(), &NXArgc, argv[0]);
  52     }
  53
  54     if ( _NSGetEnviron() != &environ ) {
  55         FAIL("crt-libSystem: _NSGetEnviron() != &environv (%p!=%p) for %s", _NSGetEnviron(), &environ, argv[0]);
  56     }
  57
  58     if ( _NSGetProgname() != &__progname ) {
  59         FAIL("crt-libSystem: _NSGetProgname() != &__progname (%p!=%p) for %s", _NSGetProgname(), &__progname, argv[0]);
  60     }
  61
  62     if ( _NSGetMachExecuteHeader() != &_mh_execute_header ) {
  63         FAIL("crt-libSystem: _NSGetMachExecuteHeader() != &_mh_execute_headerv (%p!=%p) for %s", _NSGetMachExecuteHeader(), &_mh_execute_header, argv[0]);
  64     }
  65
  66     if ( sVars->NXArgvPtr != &NXArgv ) {
  67         FAIL("crt-libSystem: sVars->NXArgvPtr != &NXArg (%p!=%p) for %s", sVars->NXArgvPtr, &NXArgv, argv[0]);
  68     }
  69
  70     if ( sVars->NXArgcPtr != &NXArgc ) {
  71         FAIL("crt-libSystem: sVars->NXArgcPtr != &NXArgc (%p!=%p) for %s", sVars->NXArgcPtr, &NXArgc, argv[0]);
  72     }
  73
  74     if ( sVars->environPtr != &environ ) {
  75         FAIL("crt-libSystem: sVars->environPtr != &environ (%p!=%p) for %s", sVars->environPtr, &environ, argv[0]);
  76     }
  77
  78     if ( sVars->__prognamePtr != &__progname ) {
  79         FAIL("crt-libSystem: sVars->__prognamePtr != &__progname (%p!=%p) for %s", sVars->__prognamePtr, &__progname, argv[0]);
  80     }
  81
  82     if ( sVars->mh != &_mh_execute_header ) {
  83         FAIL("crt-libSystem: sVars->mh != &_mh_execute_header (%p!=%p) for %s", sVars->mh, &_mh_execute_header, argv[0]);
  84     }
  85
  86     PASS("Success");
  87 }
  88