+2009-05-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * sysdeps/sh/____longjmp_chk.S: New file.
+ * sysdeps/sh/sh3/__longjmp.S: If CHECK_SP is defined, use it.
+ * sysdeps/sh/sh4/__longjmp.S: Likewise.
+
2009-05-18 Jakub Jelinek <jakub@redhat.com>
Ulrich Drepper <drepper@redhat.com>
--- /dev/null
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+ .section .rodata.str1.1,"aMS",@progbits,1
+ .type longjmp_msg,@object
+longjmp_msg:
+ .string "longjmp causes uninitialized stack frame"
+ .size longjmp_msg, .-longjmp_msg
+ .text
+
+#define __longjmp ____longjmp_chk
+
+#ifdef PIC
+# define CALL_FAIL \
+ mov.l .Lfail, r1; \
+ mov.l .Lstr, r4; \
+ mova .Lgot, r0; \
+ mov.l .Lgot, r12; \
+ add r0, r12; \
+ bsrf r1; \
+ add r12, r4; \
+.Lfail0: \
+ bra 0f; \
+ nop; \
+ .align 2; \
+.Lgot: \
+ .long _GLOBAL_OFFSET_TABLE_; \
+.Lstr: \
+ .long longjmp_msg@GOTOFF; \
+.Lfail: \
+ .long __GI___fortify_fail@PLT-(.Lfail0-.); \
+0:
+#else
+# define CALL_FAIL \
+ mov.l .Lfail, r1; \
+ mov.l .Lstr, r4; \
+ jsr @r1; \
+ nop; \
+ bra 0f; \
+ nop; \
+ .align 2; \
+.Lstr: \
+ .long longjmp_msg; \
+.Lfail: \
+ .long __fortify_fail; \
+0:
+#endif
+
+#define CHECK_SP(reg) \
+ cmp/hs r15, reg; \
+ bt .Lok; \
+ CALL_FAIL \
+.Lok:
+
+#include <__longjmp.S>
/* longjmp for SH.
- Copyright (C) 1999, 2000, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2005, 2006, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
mov r2, r14
mov.l @r4+, r2
PTR_DEMANGLE2 (r2, r1)
+# ifdef CHECK_SP
+ CHECK_SP (r2)
+# endif
mov r2, r15
mov.l @r4+, r2
PTR_DEMANGLE2 (r2, r1)
mov #0, r1
#else
mov.l @r4+, r14
+# ifdef CHECK_SP
+ mov.l @r4, r2
+ CHECK_SP (r2)
+# endif
mov.l @r4+, r15
lds.l @r4+, pr
#endif