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authorUlrich Drepper <drepper@redhat.com>1996-09-11 01:52:48 +0000
committerUlrich Drepper <drepper@redhat.com>1996-09-11 01:52:48 +0000
commitda74e90200dd19f2f40a47135759eab62e8bfce7 (patch)
tree4b55ba7c99d3de4d313cf9180ff58ef525f1900b /sysdeps/unix
parent569c558c880779d33c6642662d1aa57dff697244 (diff)
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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.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/init-first.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/init-first.h b/sysdeps/unix/sysv/linux/init-first.h
new file mode 100644
index 0000000000..dd4f85af9d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/init-first.h
@@ -0,0 +1,31 @@
+/* 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);						      \
+}