libbb: mark stack in assembly files read-only
Signed-off-by: Ludwig Nussel <ludwig.nussel@suse.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/hash_md5_sha256_x86-32_shaNI.S b/libbb/hash_md5_sha256_x86-32_shaNI.S
index 3905bad..a0e4a57 100644
--- a/libbb/hash_md5_sha256_x86-32_shaNI.S
+++ b/libbb/hash_md5_sha256_x86-32_shaNI.S
@@ -19,6 +19,9 @@
// We do not check SSSE3 in cpuid,
// all SHA-capable CPUs support it as well.
+#ifdef __linux__
+ .section .note.GNU-stack, "", @progbits
+#endif
.section .text.sha256_process_block64_shaNI, "ax", @progbits
.globl sha256_process_block64_shaNI
.hidden sha256_process_block64_shaNI
diff --git a/libbb/hash_md5_sha256_x86-64_shaNI.S b/libbb/hash_md5_sha256_x86-64_shaNI.S
index 082ceaf..172c2ea 100644
--- a/libbb/hash_md5_sha256_x86-64_shaNI.S
+++ b/libbb/hash_md5_sha256_x86-64_shaNI.S
@@ -19,6 +19,9 @@
// We do not check SSSE3 in cpuid,
// all SHA-capable CPUs support it as well.
+#ifdef __linux__
+ .section .note.GNU-stack, "", @progbits
+#endif
.section .text.sha256_process_block64_shaNI, "ax", @progbits
.globl sha256_process_block64_shaNI
.hidden sha256_process_block64_shaNI
diff --git a/libbb/hash_md5_sha_x86-32_shaNI.S b/libbb/hash_md5_sha_x86-32_shaNI.S
index 2366b04..7455a29 100644
--- a/libbb/hash_md5_sha_x86-32_shaNI.S
+++ b/libbb/hash_md5_sha_x86-32_shaNI.S
@@ -25,6 +25,9 @@
// We do not check SSSE3/SSE4.1 in cpuid,
// all SHA-capable CPUs support them as well.
+#ifdef __linux__
+ .section .note.GNU-stack, "", @progbits
+#endif
.section .text.sha1_process_block64_shaNI, "ax", @progbits
.globl sha1_process_block64_shaNI
.hidden sha1_process_block64_shaNI
diff --git a/libbb/hash_md5_sha_x86-64.S b/libbb/hash_md5_sha_x86-64.S
index 1d55b91..2cdd220 100644
--- a/libbb/hash_md5_sha_x86-64.S
+++ b/libbb/hash_md5_sha_x86-64.S
@@ -1,6 +1,9 @@
### Generated by hash_md5_sha_x86-64.S.sh ###
#if CONFIG_SHA1_SMALL == 0 && defined(__GNUC__) && defined(__x86_64__)
+#ifdef __linux__
+ .section .note.GNU-stack, "", @progbits
+#endif
.section .text.sha1_process_block64, "ax", @progbits
.globl sha1_process_block64
.hidden sha1_process_block64
diff --git a/libbb/hash_md5_sha_x86-64.S.sh b/libbb/hash_md5_sha_x86-64.S.sh
index 40c979d..653fe49 100755
--- a/libbb/hash_md5_sha_x86-64.S.sh
+++ b/libbb/hash_md5_sha_x86-64.S.sh
@@ -127,6 +127,9 @@
"### Generated by hash_md5_sha_x86-64.S.sh ###
#if CONFIG_SHA1_SMALL == 0 && defined(__GNUC__) && defined(__x86_64__)
+#ifdef __linux__
+ .section .note.GNU-stack, \"\", @progbits
+#endif
.section .text.sha1_process_block64, \"ax\", @progbits
.globl sha1_process_block64
.hidden sha1_process_block64
diff --git a/libbb/hash_md5_sha_x86-64_shaNI.S b/libbb/hash_md5_sha_x86-64_shaNI.S
index 794e970..2f03e1c 100644
--- a/libbb/hash_md5_sha_x86-64_shaNI.S
+++ b/libbb/hash_md5_sha_x86-64_shaNI.S
@@ -25,6 +25,9 @@
// We do not check SSSE3/SSE4.1 in cpuid,
// all SHA-capable CPUs support them as well.
+#ifdef __linux__
+ .section .note.GNU-stack, "", @progbits
+#endif
.section .text.sha1_process_block64_shaNI, "ax", @progbits
.globl sha1_process_block64_shaNI
.hidden sha1_process_block64_shaNI