tests/tcg/alpha: add Alpha specific tests

These tests did use their own crt.o stub however that is a little
stone age so we drop crt.S and just statically link to the cross
compilers libraries.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

tests/tcg/alpha/Makefile

@@ -1,35 +0,0 @@
-CROSS=alpha-linux-gnu-
-CC=$(CROSS)gcc
-AS=$(CROSS)as
-
-SIM=../../alpha-linux-user/qemu-alpha
-
-CFLAGS=-O
-LINK=$(CC) -o $@ crt.o $< -nostdlib
-
-TESTS=test-cond test-cmov
-
-all: hello-alpha $(TESTS)
-
-hello-alpha: hello-alpha.o crt.o
-	$(LINK)
-
-test-cond: test-cond.o crt.o
-	$(LINK)
-
-test-cmov.o: test-cond.c
-	$(CC) -c $(CFLAGS) -DTEST_CMOV -o $@ $<
-
-test-cmov: test-cmov.o crt.o
-	$(LINK)
-
-test-ovf: test-ovf.o crt.o
-	$(LINK)
-
-check: $(TESTS)
-	for f in $(TESTS); do $(SIM) $$f || exit 1; done
-
-clean:
-	$(RM) *.o *~ hello-alpha $(TESTS)
-
-.PHONY: clean all check

tests/tcg/alpha/Makefile.target

@@ -2,5 +2,17 @@
 #
 # Alpha specific tweaks
 
+ALPHA_SRC=$(SRC_PATH)/tests/tcg/alpha
+VPATH+=$(ALPHA_SRC)
+
+ALPHA_TESTS=hello-alpha test-cond test-cmov test-ovf
+TESTS+=$(ALPHA_TESTS)
+
+test-cmov: EXTRA_CFLAGS=-DTEST_CMOV
+test-cmov: test-cond.c
+	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS)
+
+run-test-cmov: test-cmov
+
 # On Alpha Linux only supports 8k pages
 EXTRA_RUNS+=run-test-mmap-8192

tests/tcg/alpha/crt.s

@@ -1,26 +0,0 @@
-	.text
-
-	.globl _start
-	.ent _start,0
-_start:
-	.frame $15,0,$15
-	br $29,1f
-1:	ldgp $29, 0($29)
-	.prologue 0
-	ldq $27,main($29) !literal!1
-	jsr $26,($27)
-	or $0,$0,$16
-	.end _start
-
-	.globl _exit
-_exit:
-	lda $0,1
-	callsys
-
-	call_pal 0
-
-	.globl write
-write:
-	lda $0,4
-	callsys
-	ret

tests/tcg/alpha/hello-alpha.c

@@ -1,3 +1,5 @@
+#include <unistd.h>
+
 int main (void)
 {
   write (1, "hello\n", 6);

tests/tcg/alpha/test-cond.c

@@ -1,3 +1,4 @@
+#include <unistd.h>
 
 #ifdef TEST_CMOV
 

tests/tcg/alpha/test-ovf.c

@@ -1,3 +1,5 @@
+#include <unistd.h>
+
 static long test_subqv (long a, long b)
 {
   long res;