glibc/sysdeps/unix/sysv/linux/init-first.h
Ulrich Drepper da74e90200 update from main archive 960910
Wed Sep 11 02:57:31 1996  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Quote $add_ons argument in loop to generated
	prefices.

Tue Sep 10 20:43:45 1996  Ulrich Drepper  <drepper@cygnus.com>

	* db/makedb.c: Include <locale.h>.  Reported by Fila Kolodny.

Tue Sep 10 13:49:08 1996  Ulrich Drepper  <drepper@cygnus.com>

	* inet/herrno.c: Initialize `h_errno' so that we can provide
	alias.

	* Makefile (version-info.h): Fix typo in shell script.

	* sysdeps/i386/i586/strlen.S: Optimize startup code a bit.
	* sysdeps/i386/i586/strchr.S: Likewise.
1996-09-11 01:52:48 +00:00

32 lines
1.2 KiB
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; \
/* The next variable is only here to work around a bug in gcc <= 2.7.2.1. \
If the address would be taken inside the expression the optimizer \
would try to be too smart and throws it away. Grrr. */ \
int *dummy_addr = &_dl_starting_up; \
\
__libc_multiple_libcs = dummy_addr && !_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); \
}