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[binutils-gdb] [GDBserver] Use pre-generated tdesc as test


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=25a93583f34f5abfe9c1b24393738547a8de657c

commit 25a93583f34f5abfe9c1b24393738547a8de657c
Author: Yao Qi <yao.qi@linaro.org>
Date:   Tue Sep 5 09:54:53 2017 +0100

    [GDBserver] Use pre-generated tdesc as test
    
    Now, these *-generate.c files are only used in GDBserver for unit test.
    If $development is false (in release), these *-generate.c files won't be
    used at all.
    
    gdb/gdbserver:
    
    2017-09-05  Yao Qi  <yao.qi@linaro.org>
    
    	* configure.srv: Set srv_i386_linux_regobj empty if $development
    	is false.
    	* linux-i386-ipa.c (initialize_low_tracepoint): Don't call
    	initialize_low_tdesc.
    	* linux-x86-low.c (initialize_low_arch): Wrap initialize_low_tdesc
    	with #if initialize_low_tdesc.
    	* linux-x86-tdesc-selftest.c: New file.
    	* linux-x86-tdesc.c: Move code to linux-x86-tdesc-selftest.c.

Diff:
---
 gdb/gdbserver/ChangeLog                  | 11 ++++
 gdb/gdbserver/configure.srv              | 11 ++--
 gdb/gdbserver/linux-i386-ipa.c           |  2 -
 gdb/gdbserver/linux-x86-low.c            |  2 +
 gdb/gdbserver/linux-x86-tdesc-selftest.c | 93 ++++++++++++++++++++++++++++++++
 gdb/gdbserver/linux-x86-tdesc.c          | 82 ----------------------------
 6 files changed, 114 insertions(+), 87 deletions(-)

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 2a3d8d2..065a418 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,16 @@
 2017-09-05  Yao Qi  <yao.qi@linaro.org>
 
+	* configure.srv: Set srv_i386_linux_regobj empty if $development
+	is false.
+	* linux-i386-ipa.c (initialize_low_tracepoint): Don't call
+	initialize_low_tdesc.
+	* linux-x86-low.c (initialize_low_arch): Wrap initialize_low_tdesc
+	with #if initialize_low_tdesc.
+	* linux-x86-tdesc-selftest.c: New file.
+	* linux-x86-tdesc.c: Move code to linux-x86-tdesc-selftest.c.
+
+2017-09-05  Yao Qi  <yao.qi@linaro.org>
+
 	* Makefile.in (arch-i386.o): New rule.
 	* configure.srv (i[34567]86-*-linux*): Add arch-i386.o.
 	(x86_64-*-linux*): Likewise.
diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv
index 876098b..dbd87b2 100644
--- a/gdb/gdbserver/configure.srv
+++ b/gdb/gdbserver/configure.srv
@@ -25,11 +25,16 @@
 srv_hostio_err_objs="hostio-errno.o"
 
 srv_i386_regobj="i386.o"
-srv_i386_linux_regobj="i386-linux.o i386-avx-linux.o i386-avx-avx512-linux.o i386-avx-mpx-avx512-pku-linux.o i386-mpx-linux.o i386-avx-mpx-linux.o i386-mmx-linux.o"
+
+if $development; then
+   srv_i386_linux_regobj="i386-linux.o i386-avx-linux.o i386-avx-avx512-linux.o i386-avx-mpx-avx512-pku-linux.o i386-mpx-linux.o i386-avx-mpx-linux.o i386-mmx-linux.o linux-x86-tdesc-selftest.o"
+else
+   srv_i386_linux_regobj=""
+fi
+
 srv_amd64_regobj="amd64.o"
 srv_amd64_linux_regobj="amd64-linux.o amd64-avx-linux.o amd64-avx-avx512-linux.o amd64-avx-mpx-avx512-pku-linux.o amd64-mpx-linux.o amd64-avx-mpx-linux.o x32-linux.o x32-avx-linux.o x32-avx-avx512-linux.o"
 
-ipa_i386_linux_regobj="i386-linux-ipa.o i386-avx-linux-ipa.o  i386-avx-mpx-linux-ipa.o i386-avx-avx512-linux-ipa.o i386-avx-mpx-avx512-pku-linux-ipa.o i386-mpx-linux-ipa.o i386-mmx-linux-ipa.o"
 ipa_amd64_linux_regobj="amd64-linux-ipa.o amd64-avx-linux-ipa.o amd64-avx-mpx-linux-ipa.o amd64-avx-avx512-linux-ipa.o amd64-avx-mpx-avx512-pku-linux-ipa.o amd64-mpx-linux-ipa.o"
 ipa_x32_linux_regobj="x32-linux-ipa.o x32-avx-linux-ipa.o x32-avx-avx512-linux-ipa.o"
 ipa_ppc_linux_regobj="powerpc-32l-ipa.o powerpc-altivec32l-ipa.o powerpc-cell32l-ipa.o powerpc-vsx32l-ipa.o powerpc-isa205-32l-ipa.o powerpc-isa205-altivec32l-ipa.o powerpc-isa205-vsx32l-ipa.o powerpc-e500l-ipa.o powerpc-64l-ipa.o powerpc-altivec64l-ipa.o powerpc-cell64l-ipa.o powerpc-vsx64l-ipa.o powerpc-isa205-64l-ipa.o powerpc-isa205-altivec64l-ipa.o powerpc-isa205-vsx64l-ipa.o"
@@ -131,7 +136,7 @@ case "${target}" in
 			srv_linux_regsets=yes
 			srv_linux_thread_db=yes
 			srv_linux_btrace=yes
-			ipa_obj="${ipa_i386_linux_regobj} linux-i386-ipa.o linux-x86-tdesc-ipa.o"
+			ipa_obj="linux-i386-ipa.o linux-x86-tdesc-ipa.o"
 			ipa_obj="${ipa_obj} i386-ipa.o"
 			;;
   i[34567]86-*-lynxos*)	srv_regobj="i386.o"
diff --git a/gdb/gdbserver/linux-i386-ipa.c b/gdb/gdbserver/linux-i386-ipa.c
index 54608da..785a63e 100644
--- a/gdb/gdbserver/linux-i386-ipa.c
+++ b/gdb/gdbserver/linux-i386-ipa.c
@@ -289,7 +289,5 @@ alloc_jump_pad_buffer (size_t size)
 void
 initialize_low_tracepoint (void)
 {
-  initialize_low_tdesc ();
-
   initialize_fast_tracepoint_trampoline_buffer ();
 }
diff --git a/gdb/gdbserver/linux-x86-low.c b/gdb/gdbserver/linux-x86-low.c
index 24b76a7..54be82f 100644
--- a/gdb/gdbserver/linux-x86-low.c
+++ b/gdb/gdbserver/linux-x86-low.c
@@ -2969,7 +2969,9 @@ initialize_low_arch (void)
   tdesc_amd64_linux_no_xml->xmltarget = xmltarget_amd64_linux_no_xml;
 #endif
 
+#if GDB_SELF_TEST
   initialize_low_tdesc ();
+#endif
 
   tdesc_i386_linux_no_xml = XNEW (struct target_desc);
   copy_target_description (tdesc_i386_linux_no_xml,
diff --git a/gdb/gdbserver/linux-x86-tdesc-selftest.c b/gdb/gdbserver/linux-x86-tdesc-selftest.c
new file mode 100644
index 0000000..558a25b
--- /dev/null
+++ b/gdb/gdbserver/linux-x86-tdesc-selftest.c
@@ -0,0 +1,93 @@
+/* Copyright (C) 2017 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "server.h"
+#include "linux-x86-tdesc.h"
+#include "tdesc.h"
+#include "common/selftest.h"
+#include "x86-xstate.h"
+
+/* Defined in auto-generated file i386-linux.c.  */
+void init_registers_i386_linux (void);
+extern const struct target_desc *tdesc_i386_linux;
+
+/* Defined in auto-generated file i386-mmx-linux.c.  */
+void init_registers_i386_mmx_linux (void);
+extern const struct target_desc *tdesc_i386_mmx_linux;
+
+/* Defined in auto-generated file i386-avx-linux.c.  */
+void init_registers_i386_avx_linux (void);
+extern const struct target_desc *tdesc_i386_avx_linux;
+
+/* Defined in auto-generated file i386-avx-mpx-linux.c.  */
+void init_registers_i386_avx_mpx_linux (void);
+extern const struct target_desc *tdesc_i386_avx_mpx_linux;
+
+/* Defined in auto-generated file i386-avx-avx512-linux.c.  */
+void init_registers_i386_avx_avx512_linux (void);
+extern const struct target_desc *tdesc_i386_avx_avx512_linux;
+
+/* Defined in auto-generated file i386-avx-mpx-avx512-linux.c.  */
+void init_registers_i386_avx_mpx_avx512_pku_linux (void);
+extern const struct target_desc *tdesc_i386_avx_mpx_avx512_pku_linux;
+
+/* Defined in auto-generated file i386-mpx-linux.c.  */
+void init_registers_i386_mpx_linux (void);
+extern const struct target_desc *tdesc_i386_mpx_linux;
+
+namespace selftests {
+namespace tdesc {
+static void
+i386_tdesc_test ()
+{
+  struct
+  {
+    unsigned int mask;
+    const target_desc *tdesc;
+  } tdesc_tests[] = {
+    { X86_XSTATE_X87, tdesc_i386_mmx_linux },
+    { X86_XSTATE_SSE_MASK, tdesc_i386_linux },
+    { X86_XSTATE_AVX_MASK, tdesc_i386_avx_linux },
+    { X86_XSTATE_MPX_MASK, tdesc_i386_mpx_linux },
+    { X86_XSTATE_AVX_MPX_MASK, tdesc_i386_avx_mpx_linux },
+    { X86_XSTATE_AVX_AVX512_MASK, tdesc_i386_avx_avx512_linux },
+    { X86_XSTATE_AVX_MPX_AVX512_PKU_MASK, tdesc_i386_avx_mpx_avx512_pku_linux }
+  };
+
+  for (auto &elem : tdesc_tests)
+    {
+      const target_desc *tdesc = i386_linux_read_description (elem.mask);
+
+      SELF_CHECK (*tdesc == *elem.tdesc);
+    }
+}
+}
+} // namespace selftests
+
+void
+initialize_low_tdesc ()
+{
+  init_registers_i386_linux ();
+  init_registers_i386_mmx_linux ();
+  init_registers_i386_avx_linux ();
+  init_registers_i386_mpx_linux ();
+  init_registers_i386_avx_mpx_linux ();
+  init_registers_i386_avx_avx512_linux ();
+  init_registers_i386_avx_mpx_avx512_pku_linux ();
+
+  selftests::register_test (selftests::tdesc::i386_tdesc_test);
+}
diff --git a/gdb/gdbserver/linux-x86-tdesc.c b/gdb/gdbserver/linux-x86-tdesc.c
index 548e780..d1e262c 100644
--- a/gdb/gdbserver/linux-x86-tdesc.c
+++ b/gdb/gdbserver/linux-x86-tdesc.c
@@ -23,90 +23,8 @@
 #include "arch/i386.h"
 #include "common/x86-xstate.h"
 
-#if defined __i386__ || !defined IN_PROCESS_AGENT
-
-/* Defined in auto-generated file i386-linux.c.  */
-void init_registers_i386_linux (void);
-extern const struct target_desc *tdesc_i386_linux;
-
-/* Defined in auto-generated file i386-mmx-linux.c.  */
-void init_registers_i386_mmx_linux (void);
-extern const struct target_desc *tdesc_i386_mmx_linux;
-
-/* Defined in auto-generated file i386-avx-linux.c.  */
-void init_registers_i386_avx_linux (void);
-extern const struct target_desc *tdesc_i386_avx_linux;
-
-/* Defined in auto-generated file i386-avx-mpx-linux.c.  */
-void init_registers_i386_avx_mpx_linux (void);
-extern const struct target_desc *tdesc_i386_avx_mpx_linux;
-
-/* Defined in auto-generated file i386-avx-avx512-linux.c.  */
-void init_registers_i386_avx_avx512_linux (void);
-extern const struct target_desc *tdesc_i386_avx_avx512_linux;
-
-/* Defined in auto-generated file i386-avx-mpx-avx512-linux.c.  */
-void init_registers_i386_avx_mpx_avx512_pku_linux (void);
-extern const struct target_desc *tdesc_i386_avx_mpx_avx512_pku_linux;
-
-/* Defined in auto-generated file i386-mpx-linux.c.  */
-void init_registers_i386_mpx_linux (void);
-extern const struct target_desc *tdesc_i386_mpx_linux;
-#endif
-
 static struct target_desc *i386_tdescs[X86_TDESC_LAST] = { };
 
-#if defined GDB_SELF_TEST && !defined IN_PROCESS_AGENT
-#include "selftest.h"
-
-namespace selftests {
-namespace tdesc {
-static void
-i386_tdesc_test ()
-{
-  struct
-  {
-    unsigned int mask;
-    const target_desc *tdesc;
-  } tdesc_tests[] = {
-    { X86_XSTATE_X87, tdesc_i386_mmx_linux },
-    { X86_XSTATE_SSE_MASK, tdesc_i386_linux },
-    { X86_XSTATE_AVX_MASK, tdesc_i386_avx_linux },
-    { X86_XSTATE_MPX_MASK, tdesc_i386_mpx_linux },
-    { X86_XSTATE_AVX_MPX_MASK, tdesc_i386_avx_mpx_linux },
-    { X86_XSTATE_AVX_AVX512_MASK, tdesc_i386_avx_avx512_linux },
-    { X86_XSTATE_AVX_MPX_AVX512_PKU_MASK, tdesc_i386_avx_mpx_avx512_pku_linux }
-  };
-
-  for (auto &elem : tdesc_tests)
-    {
-      const target_desc *tdesc = i386_linux_read_description (elem.mask);
-
-      SELF_CHECK (*tdesc == *elem.tdesc);
-    }
-}
-}
-} // namespace selftests
-#endif /* GDB_SELF_TEST */
-
-void
-initialize_low_tdesc ()
-{
-#if defined __i386__ || !defined IN_PROCESS_AGENT
-  init_registers_i386_linux ();
-  init_registers_i386_mmx_linux ();
-  init_registers_i386_avx_linux ();
-  init_registers_i386_mpx_linux ();
-  init_registers_i386_avx_mpx_linux ();
-  init_registers_i386_avx_avx512_linux ();
-  init_registers_i386_avx_mpx_avx512_pku_linux ();
-
-#if GDB_SELF_TEST && !defined IN_PROCESS_AGENT
-  selftests::register_test (selftests::tdesc::i386_tdesc_test);
-#endif
-#endif
-}
-
 #if defined __i386__ || !defined IN_PROCESS_AGENT
 
 /* Return the target description according to XCR0.  */


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