From: H.J. Lu <hjl.tools@gmail.com>
Date: Sun, 22 Dec 2024 00:31:25 +0000 (+0800)
Subject: elf: Check PDE load address with non-empty text section
X-Git-Tag: glibc-2.41~242
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bce70034b1122d504c9fb794684f3ec288d955e6;p=thirdparty%2Fglibc.git

elf: Check PDE load address with non-empty text section

Check PDE load address with non-empty text section:

.globl _start
_start:
.globl __start
	.byte 0

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>
---

diff --git a/configure b/configure
index 60fe529392..285e5997c7 100755
--- a/configure
+++ b/configure
@@ -8707,6 +8707,7 @@ else case e in #(
 _start:
 .globl __start
 __start:
+	.byte 0
 EOF
 if test $libc_cv_cc_pie_default = yes; then
   pde_ld_flags="-no-pie"
diff --git a/configure.ac b/configure.ac
index bcf37310df..d230635a71 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1899,6 +1899,7 @@ cat > conftest.S <<EOF
 _start:
 .globl __start
 __start:
+	.byte 0
 EOF
 if test $libc_cv_cc_pie_default = yes; then
   pde_ld_flags="-no-pie"