From bbfc828f8f8404b2d5f37f59a3186e4fc4d278a4 Mon Sep 17 00:00:00 2001 From: Sergei Trofimovich Date: Sun, 17 Dec 2017 09:51:34 +0000 Subject: [PATCH] mips32: fix clobbering s0 in setjmp() [BZ #22624] Similar to commit 1ab47db00dfbc0128119e3503d3ed640ffc4830b ("mips64: fix clobbering s0 in setjmp() [BZ #22624]") as sysdeps/mips/setjmp_aux.c is almost an identical copy of sysdeps/mips/mips64/setjmp_aux.c. Signed-off-by: Sergei Trofimovich --- sysdeps/mips/setjmp_aux.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sysdeps/mips/setjmp_aux.c b/sysdeps/mips/setjmp_aux.c index 0052e0c4a4..176243bc51 100644 --- a/sysdeps/mips/setjmp_aux.c +++ b/sysdeps/mips/setjmp_aux.c @@ -23,7 +23,12 @@ pointer. We do things this way because it's difficult to reliably access them in C. */ +/* Stack protection is disabled to avoid changing s0 (or any other + caller-save register) before storing it to environment. + See BZ #22624. */ + int __attribute__ ((nomips16)) +inhibit_stack_protector __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp) { #ifdef __mips_hard_float -- 2.15.1