glibc/sysdeps/unix/sysv/linux/i386/init-first.h

28 lines
930 B
C

/* The job of this fragment it to find argc and friends for INIT.
This is done in one of two ways: either in the stack context
of program start, or having dlopen pass them in. */
#define SYSDEP_CALL_INIT(NAME, INIT) \
void NAME (void *arg) \
{ \
int argc; \
char **argv, **envp; \
\
__libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up; \
\
if (!__libc_multiple_libcs) \
{ \
argc = (int) arg; \
argv = (char **) &arg + 1; \
envp = &argv[argc+1]; \
} \
else \
{ \
argc = (int) arg; \
argv = ((char ***) &arg)[1]; \
envp = ((char ***) &arg)[2]; \
} \
\
INIT (argc, argv, envp); \
}