tests/tcg: fix build

This broke when the tests were moved from tests/ to tests/tcg/.

On x86_64 host/i386-linux-user non-kvm guest, test-i386 and test-mmap are broken, but at least they build.

To build/run the tests:
$ cd $BUILD_PATH/tests/tcg
$ SRC_PATH=path/to/qemu make <target>

Signed-off-by: Catalin Patulea <catalinp@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

tests/tcg/Makefile

@@ -1,13 +1,13 @@
--include ../config-host.mak
+-include ../../config-host.mak
 -include $(SRC_PATH)/rules.mak
 
-$(call set-vpath, $(SRC_PATH)/tests)
+$(call set-vpath, $(SRC_PATH)/tests/tcg)
 
-QEMU=../i386-linux-user/qemu-i386
-QEMU_X86_64=../x86_64-linux-user/qemu-x86_64
+QEMU=../../i386-linux-user/qemu-i386
+QEMU_X86_64=../../x86_64-linux-user/qemu-x86_64
 CC_X86_64=$(CC_I386) -m64
 
-QEMU_INCLUDES += -I..
+QEMU_INCLUDES += -I../..
 CFLAGS=-Wall -O2 -g -fno-strict-aliasing
 #CFLAGS+=-msse2
 LDFLAGS=
@@ -36,6 +36,7 @@ TESTS += $(I386_TESTS)
 endif
 
 all: $(patsubst %,run-%,$(TESTS))
+test: all
 
 # rules to run tests
 
@@ -74,7 +75,10 @@ run-test_path: test_path
 # rules to compile tests
 
 test_path: test_path.o
+	$(CC_I386) $(LDFLAGS) -o $@ $^ $(LIBS)
+
 test_path.o: test_path.c
+	$(CC_I386) $(QEMU_INCLUDES) $(GLIB_CFLAGS) $(CFLAGS) -c -o $@ $^
 
 hello-i386: hello-i386.c
 	$(CC_I386) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
@@ -86,12 +90,12 @@ testthread: testthread.c
 # i386/x86_64 emulation test (test various opcodes) */
 test-i386: test-i386.c test-i386-code16.S test-i386-vm86.S \
            test-i386.h test-i386-shift.h test-i386-muldiv.h
-	$(CC_I386) $(CFLAGS) $(LDFLAGS) -o $@ \
+	$(CC_I386) $(QEMU_INCLUDES) $(CFLAGS) $(LDFLAGS) -o $@ \
               $(<D)/test-i386.c $(<D)/test-i386-code16.S $(<D)/test-i386-vm86.S -lm
 
 test-x86_64: test-i386.c \
            test-i386.h test-i386-shift.h test-i386-muldiv.h
-	$(CC_X86_64) $(CFLAGS) $(LDFLAGS) -o $@ $(<D)/test-i386.c -lm
+	$(CC_X86_64) $(QEMU_INCLUDES) $(CFLAGS) $(LDFLAGS) -o $@ $(<D)/test-i386.c -lm
 
 # generic Linux and CPU test
 linux-test: linux-test.c

tests/tcg/linux-test.c

@@ -16,6 +16,7 @@
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
+#define _GNU_SOURCE
 #include <stdarg.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -38,6 +39,7 @@
 #include <dirent.h>
 #include <setjmp.h>
 #include <sys/shm.h>
+#include <sched.h>
 
 #define TESTPATH "/tmp/linux-test.tmp"
 #define TESTPORT 7654

tests/tcg/test-i386.c

@@ -17,6 +17,7 @@
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 #define _GNU_SOURCE
+#include "compiler.h"
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -1827,7 +1828,7 @@ void test_exceptions(void)
     printf("lock nop exception:\n");
     if (setjmp(jmp_env) == 0) {
         /* now execute an invalid instruction */
-        asm volatile("lock nop");
+        asm volatile(".byte 0xf0, 0x90"); /* lock nop */
     }
 
     printf("INT exception:\n");

tests/tcg/test_path.c

@@ -1,11 +1,12 @@
 /* Test path override code */
-#include "../config-host.h"
-#include "../qemu-malloc.c"
-#include "../cutils.c"
-#include "../path.c"
-#include "../trace.c"
+#define _GNU_SOURCE
+#include "config-host.h"
+#include "iov.c"
+#include "cutils.c"
+#include "path.c"
+#include "trace.c"
 #ifdef CONFIG_TRACE_SIMPLE
-#include "../simpletrace.c"
+#include "../trace/simple.c"
 #endif
 
 #include <stdarg.h>