qemu/tests/tcg/s390x/hello-s390x-asm.S

/*
 * Hello, World! in assembly.
 */

.globl _start
_start:

/* puts("Hello, World!"); */
lghi %r2,1
larl %r3,foo
lgrl %r4,foo_len
svc 4

/* exit(0); */
xgr %r2,%r2
svc 1

.align 2
foo: .asciz "Hello, World!\n"
foo_end:
.align 8
foo_len: .quad foo_end-foo
tests/tcg/s390x: Test single-stepping SVC Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230510230213.330134-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com> 2023-05-11 02:02:13 +03:00			`/*`
			`* Hello, World! in assembly.`
			`*/`

			`.globl _start`
			`_start:`

			`/* puts("Hello, World!"); */`
			`lghi %r2,1`
			`larl %r3,foo`
tests/tcg/s390x: Fix test-svc with clang clang does not support expressions involving symbols in instructions like lghi yet, so building hello-s390x-asm.S with it fails. Move the expression to the literal pool and load it from there. Fixes: be4a4cb42961 ("tests/tcg/s390x: Test single-stepping SVC") Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20230707154242.457706-1-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com> 2023-07-07 18:42:21 +03:00			`lgrl %r4,foo_len`
tests/tcg/s390x: Test single-stepping SVC Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230510230213.330134-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com> 2023-05-11 02:02:13 +03:00			`svc 4`

			`/* exit(0); */`
			`xgr %r2,%r2`
			`svc 1`

			`.align 2`
			`foo: .asciz "Hello, World!\n"`
			`foo_end:`
tests/tcg/s390x: Fix test-svc with clang clang does not support expressions involving symbols in instructions like lghi yet, so building hello-s390x-asm.S with it fails. Move the expression to the literal pool and load it from there. Fixes: be4a4cb42961 ("tests/tcg/s390x: Test single-stepping SVC") Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20230707154242.457706-1-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com> 2023-07-07 18:42:21 +03:00			`.align 8`
			`foo_len: .quad foo_end-foo`