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* src/NSProcessInfo.m: Added Linux/ELF support. Linux calls the

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__libc_subinit functions before the global constructors, therefore
	the subinit functions must be just vanilla C.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@590 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Andrew McCallum 1995-08-28 13:36:24 +00:00
parent 9e0489e6fc
commit e56d03e1d6
1 changed files with 82 additions and 3 deletions
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85
Source/NSProcessInfo.m
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@ -183,8 +183,89 @@ _gnu_process_args(int argc, char *argv[], char *env[])
environment pointers. FIXME: Would like to do something similar
for other formats besides ELF. */
#ifdef __ELF__
#ifdef linux
/* Under linux the functions in __libc_subinit are called before the
* global constructiors, therefore, we cannot send methods to any objects
*/
static int _gnu_noobjc_argc;
static char **_gnu_noobjc_argv;
static char **_gnu_noobjc_env;
static void
_gnu_process_noobjc_args(int argc, char *argv[], char *env[]) {
int i;
/* We have to copy these in case the main() modifies their values
* somehow before we get a change to use them
*/
_gnu_noobjc_argc = argc;
i=0;
while(argv[i])
i++;
_gnu_noobjc_argv = NSZoneMalloc(NS_NOZONE,sizeof(char *)*(i+1));
i=0;
while(*argv) {
_gnu_noobjc_argv[i] = NSZoneMalloc(NS_NOZONE,strlen(*argv)+1);
strcpy(_gnu_noobjc_argv[i],*argv);
argv++;
i++;
}
_gnu_noobjc_argv[i] = 0;
i=0;
while(env[i])
i++;
_gnu_noobjc_env = NSZoneMalloc(NS_NOZONE,sizeof(char *)*(i+1));
i=0;
while(*env) {
_gnu_noobjc_env[i] = NSZoneMalloc(NS_NOZONE,strlen(*env)+1);
strcpy(_gnu_noobjc_env[i],*env);
env++;
i++;
}
_gnu_noobjc_env[i] = 0;
}
static void _gnu_noobjc_free_vars(void)
{
char **p;
p = _gnu_noobjc_argv;
while (*p) {
NSZoneFree(NS_NOZONE,*p);
p++;
}
NSZoneFree(NS_NOZONE,_gnu_noobjc_argv);
_gnu_noobjc_argv = 0;
p = _gnu_noobjc_env;
while (*p) {
NSZoneFree(NS_NOZONE,*p);
p++;
}
NSZoneFree(NS_NOZONE,_gnu_noobjc_env);
_gnu_noobjc_env = 0;
}
static void * __libobjects_subinit_args__
__attribute__ ((section ("__libc_subinit"))) = &(_gnu_process_noobjc_args);
+ (void)initialize {
if (!_gnu_processName && !_gnu_arguments && !_gnu_environment) {
NSAssert(_gnu_noobjc_argv && _gnu_noobjc_env,
_GNU_MISSING_MAIN_FUNCTION_CALL);
_gnu_process_args(_gnu_noobjc_argc,_gnu_noobjc_argv,_gnu_noobjc_env);
_gnu_noobjc_free_vars();
}
}
#else
static void * __libobjects_subinit_args__
__attribute__ ((section ("_libc_subinit"))) = &(_gnu_process_args);
#endif
#else
#undef main
int main(int argc, char *argv[], char *env[])
@ -202,10 +283,8 @@ int main(int argc, char *argv[], char *env[])
+ (NSProcessInfo *)processInfo
{
// Check if the main() function was successfully called
#ifdef NeXT
NSAssert(_gnu_processName && _gnu_arguments _gnu_environment,
NSAssert(_gnu_processName && _gnu_arguments && _gnu_environment,
_GNU_MISSING_MAIN_FUNCTION_CALL);
#endif /* NeXT */
if (!_gnu_sharedProcessInfoObject)
_gnu_sharedProcessInfoObject = [[_NSConcreteProcessInfo alloc] init];