From: "H.J. Lu" <hjl.tools@gmail.com>
To: libc-alpha@sourceware.org
Cc: Fangrui Song <maskray@google.com>,
Joseph Myers <joseph@codesourcery.com>
Subject: [PATCH v2 5/7] x86: Define SUPPORT_DT_RELR
Date: Sat, 5 Feb 2022 09:24:44 -0800 [thread overview]
Message-ID: <20220205172446.652011-6-hjl.tools@gmail.com> (raw)
In-Reply-To: <20220205172446.652011-1-hjl.tools@gmail.com>
Define SUPPORT_DT_RELR to indicate that DT_RELR is supported on x86.
---
config.h.in | 3 +++
sysdeps/x86/configure | 3 +++
sysdeps/x86/configure.ac | 3 +++
3 files changed, 9 insertions(+)
diff --git a/config.h.in b/config.h.in
index ff8597413d..d1c37b1daa 100644
--- a/config.h.in
+++ b/config.h.in
@@ -277,6 +277,9 @@
/* Define if static PIE is enabled. */
#define ENABLE_STATIC_PIE 0
+/* Define if DT_RELR is supported. */
+#undef SUPPORT_DT_RELR
+
/* The default value of x86 CET control. */
#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property
diff --git a/sysdeps/x86/configure b/sysdeps/x86/configure
index 46d436fddf..bf4b041f48 100644
--- a/sysdeps/x86/configure
+++ b/sysdeps/x86/configure
@@ -195,3 +195,6 @@ $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
$as_echo "#define SUPPORT_STATIC_PIE 1" >>confdefs.h
+
+$as_echo "#define SUPPORT_DT_RELR 1" >>confdefs.h
+
diff --git a/sysdeps/x86/configure.ac b/sysdeps/x86/configure.ac
index 918b636891..e737fd156a 100644
--- a/sysdeps/x86/configure.ac
+++ b/sysdeps/x86/configure.ac
@@ -134,3 +134,6 @@ AC_DEFINE(PI_STATIC_AND_HIDDEN)
dnl Static PIE is supported.
AC_DEFINE(SUPPORT_STATIC_PIE)
+
+dnl DT_RELR is supported.
+AC_DEFINE(SUPPORT_DT_RELR)
--
2.34.1
next prev parent reply other threads:[~2022-02-05 17:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-05 17:24 [PATCH v2 0/7] Support DT_RELR relative relocation format H.J. Lu
2022-02-05 17:24 ` [PATCH v2 1/7] elf: Support DT_RELR relative relocation format [BZ #27924] H.J. Lu
2022-02-05 17:24 ` [PATCH v2 2/7] elf: Properly handle zero DT_RELA/DT_REL values H.J. Lu
2022-02-05 17:24 ` [PATCH v2 3/7] Add GLIBC_ABI_DT_RELR for DT_RELR support H.J. Lu
2022-02-05 17:24 ` [PATCH v2 4/7] x86/configure.ac: Define PI_STATIC_AND_HIDDEN/SUPPORT_STATIC_PIE H.J. Lu
2022-02-05 17:24 ` H.J. Lu [this message]
2022-02-05 17:24 ` [PATCH v2 6/7] Add --disable-default-dt-relr H.J. Lu
2022-02-05 17:24 ` [PATCH v2 7/7] NEWS: Mention DT_RELR support H.J. Lu
2022-02-07 20:27 ` [PATCH v2 0/7] Support DT_RELR relative relocation format Joseph Myers
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