From: Paul Floyd <pjfloyd@wanadoo.fr>
Date: Fri, 23 Feb 2024 12:23:56 +0000 (+0100)
Subject: FreeBSD: set client stack perms from ExeInfo
X-Git-Tag: VALGRIND_3_23_0~144
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=91d0af70baa7f374afcc83e39c80b4fd7f6093d5;p=thirdparty%2Fvalgrind.git

FreeBSD: set client stack perms from ExeInfo

Was hard coded RWX, will now use PT_GNU_STACK from the elf
program headers, if present.
---

diff --git a/coregrind/m_initimg/initimg-freebsd.c b/coregrind/m_initimg/initimg-freebsd.c
index 9210bfb5d..7de1702ca 100644
--- a/coregrind/m_initimg/initimg-freebsd.c
+++ b/coregrind/m_initimg/initimg-freebsd.c
@@ -586,7 +586,7 @@ static Addr setup_client_stack(void*  init_sp,
          res = VG_(am_mmap_anon_fixed_client)(
                   anon_start -inner_HACK,
                   anon_size +inner_HACK,
-                  VKI_PROT_READ|VKI_PROT_WRITE|VKI_PROT_EXEC
+                  info->stack_prot
                );
       }
       if ((!ok) || sr_isError(res)) {