svn commit: r217383 - head/lib/csu/i386-elf

[Konstantin Belousov]

Author: kib
Date: Thu Jan 13 23:00:22 2011
New Revision: 217383
URL: http://svn.freebsd.org/changeset/base/217383

Log:
  The (%esp & 0xf) == 0 should be true before the call instruction is
  executed, for the properly aligned stack.
  
  Reported and tested by:	rstone
  Pointy hat to:	kib
  MFC after:	3 days

Modified:
  head/lib/csu/i386-elf/crt1_s.S

Modified: head/lib/csu/i386-elf/crt1_s.S
==============================================================================
--- head/lib/csu/i386-elf/crt1_s.S	Thu Jan 13 22:52:57 2011	(r217382)
+++ head/lib/csu/i386-elf/crt1_s.S	Thu Jan 13 23:00:22 2011	(r217383)
@@ -42,6 +42,7 @@ _start:
 	.cfi_def_cfa_register %ebp
 	andl	$0xfffffff0,%esp # align stack
 	leal	8(%ebp),%eax
+	subl	$4,%esp
 	pushl	%eax		# argv
 	pushl	4(%ebp)		# argc
 	pushl	%edx		# rtld cleanup