selftests/rseq: arm64: Template memory ordering and percpu access mode

Introduce a rseq-arm64-bits.h template header which is internally
included to generate the static inline functions covering:

- relaxed and release memory ordering,
- per-cpu-id and per-mm-cid per-cpu data access.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221122203932.231377-14-mathieu.desnoyers@efficios.com

diff --git a/tools/testing/selftests/rseq/rseq-arm64-bits.h b/tools/testing/selftests/rseq/rseq-arm64-bits.h
new file mode 100644 (file)
index 0000000..cc7226b
--- /dev/null
+++ b/tools/testing/selftests/rseq/rseq-arm64-bits.h
@@ -0,0 +1,392 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * rseq-arm64-bits.h
+ *
+ * (C) Copyright 2016-2022 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * (C) Copyright 2018 - Will Deacon <will.deacon@arm.com>
+ */
+
+#include "rseq-bits-template.h"
+
+#if defined(RSEQ_TEMPLATE_MO_RELAXED) && \
+       (defined(RSEQ_TEMPLATE_CPU_ID) || defined(RSEQ_TEMPLATE_MM_CID))
+
+static inline __attribute__((always_inline))
+int RSEQ_TEMPLATE_IDENTIFIER(rseq_cmpeqv_storev)(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
+{
+       RSEQ_INJECT_C(9)
+
+       __asm__ __volatile__ goto (
+               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
+               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+               RSEQ_INJECT_ASM(3)
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
+               RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
+#endif
+               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
+               RSEQ_INJECT_ASM(5)
+               RSEQ_ASM_DEFINE_ABORT(4, abort)
+               : /* gcc asm goto does not allow outputs */
+               : [cpu_id]              "r" (cpu),
+                 [current_cpu_id]      "Qo" (rseq_get_abi()->RSEQ_TEMPLATE_CPU_ID_FIELD),
+                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
+                 [v]                   "Qo" (*v),
+                 [expect]              "r" (expect),
+                 [newv]                "r" (newv)
+                 RSEQ_INJECT_INPUT
+               : "memory", RSEQ_ASM_TMP_REG
+               : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+                 , error1, error2
+#endif
+       );
+       rseq_after_asm_goto();
+       return 0;
+abort:
+       rseq_after_asm_goto();
+       RSEQ_INJECT_FAILED
+       return -1;
+cmpfail:
+       rseq_after_asm_goto();
+       return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+       rseq_after_asm_goto();
+       rseq_bug("cpu_id comparison failed");
+error2:
+       rseq_after_asm_goto();
+       rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int RSEQ_TEMPLATE_IDENTIFIER(rseq_cmpnev_storeoffp_load)(intptr_t *v, intptr_t expectnot,
+                              long voffp, intptr_t *load, int cpu)
+{
+       RSEQ_INJECT_C(9)
+
+       __asm__ __volatile__ goto (
+               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
+               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+               RSEQ_INJECT_ASM(3)
+               RSEQ_ASM_OP_CMPNE(v, expectnot, %l[cmpfail])
+               RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+               RSEQ_ASM_OP_CMPNE(v, expectnot, %l[error2])
+#endif
+               RSEQ_ASM_OP_R_LOAD(v)
+               RSEQ_ASM_OP_R_STORE(load)
+               RSEQ_ASM_OP_R_LOAD_OFF(voffp)
+               RSEQ_ASM_OP_R_FINAL_STORE(v, 3)
+               RSEQ_INJECT_ASM(5)
+               RSEQ_ASM_DEFINE_ABORT(4, abort)
+               : /* gcc asm goto does not allow outputs */
+               : [cpu_id]              "r" (cpu),
+                 [current_cpu_id]      "Qo" (rseq_get_abi()->RSEQ_TEMPLATE_CPU_ID_FIELD),
+                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
+                 [v]                   "Qo" (*v),
+                 [expectnot]           "r" (expectnot),
+                 [load]                "Qo" (*load),
+                 [voffp]               "r" (voffp)
+                 RSEQ_INJECT_INPUT
+               : "memory", RSEQ_ASM_TMP_REG
+               : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+                 , error1, error2
+#endif
+       );
+       rseq_after_asm_goto();
+       return 0;
+abort:
+       rseq_after_asm_goto();
+       RSEQ_INJECT_FAILED
+       return -1;
+cmpfail:
+       rseq_after_asm_goto();
+       return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+       rseq_after_asm_goto();
+       rseq_bug("cpu_id comparison failed");
+error2:
+       rseq_after_asm_goto();
+       rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int RSEQ_TEMPLATE_IDENTIFIER(rseq_addv)(intptr_t *v, intptr_t count, int cpu)
+{
+       RSEQ_INJECT_C(9)
+
+       __asm__ __volatile__ goto (
+               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+#endif
+               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+               RSEQ_INJECT_ASM(3)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+#endif
+               RSEQ_ASM_OP_R_LOAD(v)
+               RSEQ_ASM_OP_R_ADD(count)
+               RSEQ_ASM_OP_R_FINAL_STORE(v, 3)
+               RSEQ_INJECT_ASM(4)
+               RSEQ_ASM_DEFINE_ABORT(4, abort)
+               : /* gcc asm goto does not allow outputs */
+               : [cpu_id]              "r" (cpu),
+                 [current_cpu_id]      "Qo" (rseq_get_abi()->RSEQ_TEMPLATE_CPU_ID_FIELD),
+                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
+                 [v]                   "Qo" (*v),
+                 [count]               "r" (count)
+                 RSEQ_INJECT_INPUT
+               : "memory", RSEQ_ASM_TMP_REG
+               : abort
+#ifdef RSEQ_COMPARE_TWICE
+                 , error1
+#endif
+       );
+       rseq_after_asm_goto();
+       return 0;
+abort:
+       rseq_after_asm_goto();
+       RSEQ_INJECT_FAILED
+       return -1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+       rseq_after_asm_goto();
+       rseq_bug("cpu_id comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int RSEQ_TEMPLATE_IDENTIFIER(rseq_cmpeqv_cmpeqv_storev)(intptr_t *v, intptr_t expect,
+                             intptr_t *v2, intptr_t expect2,
+                             intptr_t newv, int cpu)
+{
+       RSEQ_INJECT_C(9)
+
+       __asm__ __volatile__ goto (
+               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error3])
+#endif
+               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+               RSEQ_INJECT_ASM(3)
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
+               RSEQ_INJECT_ASM(4)
+               RSEQ_ASM_OP_CMPEQ(v2, expect2, %l[cmpfail])
+               RSEQ_INJECT_ASM(5)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
+               RSEQ_ASM_OP_CMPEQ(v2, expect2, %l[error3])
+#endif
+               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
+               RSEQ_INJECT_ASM(6)
+               RSEQ_ASM_DEFINE_ABORT(4, abort)
+               : /* gcc asm goto does not allow outputs */
+               : [cpu_id]              "r" (cpu),
+                 [current_cpu_id]      "Qo" (rseq_get_abi()->RSEQ_TEMPLATE_CPU_ID_FIELD),
+                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
+                 [v]                   "Qo" (*v),
+                 [expect]              "r" (expect),
+                 [v2]                  "Qo" (*v2),
+                 [expect2]             "r" (expect2),
+                 [newv]                "r" (newv)
+                 RSEQ_INJECT_INPUT
+               : "memory", RSEQ_ASM_TMP_REG
+               : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+                 , error1, error2, error3
+#endif
+       );
+       rseq_after_asm_goto();
+       return 0;
+abort:
+       rseq_after_asm_goto();
+       RSEQ_INJECT_FAILED
+       return -1;
+cmpfail:
+       rseq_after_asm_goto();
+       return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+       rseq_after_asm_goto();
+       rseq_bug("cpu_id comparison failed");
+error2:
+       rseq_after_asm_goto();
+       rseq_bug("expected value comparison failed");
+error3:
+       rseq_after_asm_goto();
+       rseq_bug("2nd expected value comparison failed");
+#endif
+}
+
+#endif /* #if defined(RSEQ_TEMPLATE_MO_RELAXED) &&
+       (defined(RSEQ_TEMPLATE_CPU_ID) || defined(RSEQ_TEMPLATE_MM_CID)) */
+
+#if (defined(RSEQ_TEMPLATE_MO_RELAXED) || defined(RSEQ_TEMPLATE_MO_RELEASE)) && \
+       (defined(RSEQ_TEMPLATE_CPU_ID) || defined(RSEQ_TEMPLATE_MM_CID))
+
+static inline __attribute__((always_inline))
+int RSEQ_TEMPLATE_IDENTIFIER(rseq_cmpeqv_trystorev_storev)(intptr_t *v, intptr_t expect,
+                                intptr_t *v2, intptr_t newv2,
+                                intptr_t newv, int cpu)
+{
+       RSEQ_INJECT_C(9)
+
+       __asm__ __volatile__ goto (
+               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
+               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+               RSEQ_INJECT_ASM(3)
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
+               RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
+#endif
+               RSEQ_ASM_OP_STORE(newv2, v2)
+               RSEQ_INJECT_ASM(5)
+#ifdef RSEQ_TEMPLATE_MO_RELEASE
+               RSEQ_ASM_OP_FINAL_STORE_RELEASE(newv, v, 3)
+#else
+               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
+#endif
+               RSEQ_INJECT_ASM(6)
+               RSEQ_ASM_DEFINE_ABORT(4, abort)
+               : /* gcc asm goto does not allow outputs */
+               : [cpu_id]              "r" (cpu),
+                 [current_cpu_id]      "Qo" (rseq_get_abi()->RSEQ_TEMPLATE_CPU_ID_FIELD),
+                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
+                 [expect]              "r" (expect),
+                 [v]                   "Qo" (*v),
+                 [newv]                "r" (newv),
+                 [v2]                  "Qo" (*v2),
+                 [newv2]               "r" (newv2)
+                 RSEQ_INJECT_INPUT
+               : "memory", RSEQ_ASM_TMP_REG
+               : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+                 , error1, error2
+#endif
+       );
+       rseq_after_asm_goto();
+       return 0;
+abort:
+       rseq_after_asm_goto();
+       RSEQ_INJECT_FAILED
+       return -1;
+cmpfail:
+       rseq_after_asm_goto();
+       return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+       rseq_after_asm_goto();
+       rseq_bug("cpu_id comparison failed");
+error2:
+       rseq_after_asm_goto();
+       rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int RSEQ_TEMPLATE_IDENTIFIER(rseq_cmpeqv_trymemcpy_storev)(intptr_t *v, intptr_t expect,
+                                void *dst, void *src, size_t len,
+                                intptr_t newv, int cpu)
+{
+       RSEQ_INJECT_C(9)
+
+       __asm__ __volatile__ goto (
+               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
+               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+               RSEQ_INJECT_ASM(3)
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
+               RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
+#endif
+               RSEQ_ASM_OP_R_BAD_MEMCPY(dst, src, len)
+               RSEQ_INJECT_ASM(5)
+#ifdef RSEQ_TEMPLATE_MO_RELEASE
+               RSEQ_ASM_OP_FINAL_STORE_RELEASE(newv, v, 3)
+#else
+               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
+#endif
+               RSEQ_INJECT_ASM(6)
+               RSEQ_ASM_DEFINE_ABORT(4, abort)
+               : /* gcc asm goto does not allow outputs */
+               : [cpu_id]              "r" (cpu),
+                 [current_cpu_id]      "Qo" (rseq_get_abi()->RSEQ_TEMPLATE_CPU_ID_FIELD),
+                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
+                 [expect]              "r" (expect),
+                 [v]                   "Qo" (*v),
+                 [newv]                "r" (newv),
+                 [dst]                 "r" (dst),
+                 [src]                 "r" (src),
+                 [len]                 "r" (len)
+                 RSEQ_INJECT_INPUT
+               : "memory", RSEQ_ASM_TMP_REG, RSEQ_ASM_TMP_REG_2
+               : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+                 , error1, error2
+#endif
+       );
+       rseq_after_asm_goto();
+       return 0;
+abort:
+       rseq_after_asm_goto();
+       RSEQ_INJECT_FAILED
+       return -1;
+cmpfail:
+       rseq_after_asm_goto();
+       return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+       rseq_after_asm_goto();
+       rseq_bug("cpu_id comparison failed");
+error2:
+       rseq_after_asm_goto();
+       rseq_bug("expected value comparison failed");
+#endif
+}
+
+#endif /* #if (defined(RSEQ_TEMPLATE_MO_RELAXED) || defined(RSEQ_TEMPLATE_MO_RELEASE)) &&
+       (defined(RSEQ_TEMPLATE_CPU_ID) || defined(RSEQ_TEMPLATE_MM_CID)) */
+
+#include "rseq-bits-reset.h"

diff --git a/tools/testing/selftests/rseq/rseq-arm64.h b/tools/testing/selftests/rseq/rseq-arm64.h
index 49c387fcd8685befe209538d78c77ecc5f878b5b..85b90977e7e6e83c221af7994238684ab0c68c9e 100644 (file)
--- a/tools/testing/selftests/rseq/rseq-arm64.h
+++ b/tools/testing/selftests/rseq/rseq-arm64.h
@@ -2,7 +2,7 @@
 /*
  * rseq-arm64.h
  *
- * (C) Copyright 2016-2018 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * (C) Copyright 2016-2022 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  * (C) Copyright 2018 - Will Deacon <will.deacon@arm.com>
  */
 
@@ -200,490 +200,34 @@ do {                                                                             \
        "       cbnz    " RSEQ_ASM_TMP_REG_2 ", 222b\n"                         \
        "333:\n"
 
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
-               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
-               RSEQ_INJECT_ASM(5)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [v]                   "Qo" (*v),
-                 [expect]              "r" (expect),
-                 [newv]                "r" (newv)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
-                              long voffp, intptr_t *load, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPNE(v, expectnot, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPNE(v, expectnot, %l[error2])
-#endif
-               RSEQ_ASM_OP_R_LOAD(v)
-               RSEQ_ASM_OP_R_STORE(load)
-               RSEQ_ASM_OP_R_LOAD_OFF(voffp)
-               RSEQ_ASM_OP_R_FINAL_STORE(v, 3)
-               RSEQ_INJECT_ASM(5)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [v]                   "Qo" (*v),
-                 [expectnot]           "r" (expectnot),
-                 [load]                "Qo" (*load),
-                 [voffp]               "r" (voffp)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-#endif
-}
+/* Per-cpu-id indexing. */
 
-static inline __attribute__((always_inline))
-int rseq_addv(intptr_t *v, intptr_t count, int cpu)
-{
-       RSEQ_INJECT_C(9)
+#define RSEQ_TEMPLATE_CPU_ID
+#define RSEQ_TEMPLATE_MO_RELAXED
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELAXED
 
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-#endif
-               RSEQ_ASM_OP_R_LOAD(v)
-               RSEQ_ASM_OP_R_ADD(count)
-               RSEQ_ASM_OP_R_FINAL_STORE(v, 3)
-               RSEQ_INJECT_ASM(4)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [v]                   "Qo" (*v),
-                 [count]               "r" (count)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG
-               : abort
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
-                                intptr_t *v2, intptr_t newv2,
-                                intptr_t newv, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
-               RSEQ_ASM_OP_STORE(newv2, v2)
-               RSEQ_INJECT_ASM(5)
-               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
-               RSEQ_INJECT_ASM(6)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [expect]              "r" (expect),
-                 [v]                   "Qo" (*v),
-                 [newv]                "r" (newv),
-                 [v2]                  "Qo" (*v2),
-                 [newv2]               "r" (newv2)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
-                                        intptr_t *v2, intptr_t newv2,
-                                        intptr_t newv, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
-               RSEQ_ASM_OP_STORE(newv2, v2)
-               RSEQ_INJECT_ASM(5)
-               RSEQ_ASM_OP_FINAL_STORE_RELEASE(newv, v, 3)
-               RSEQ_INJECT_ASM(6)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [expect]              "r" (expect),
-                 [v]                   "Qo" (*v),
-                 [newv]                "r" (newv),
-                 [v2]                  "Qo" (*v2),
-                 [newv2]               "r" (newv2)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
-                             intptr_t *v2, intptr_t expect2,
-                             intptr_t newv, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error3])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-               RSEQ_ASM_OP_CMPEQ(v2, expect2, %l[cmpfail])
-               RSEQ_INJECT_ASM(5)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-               RSEQ_ASM_OP_CMPEQ(v2, expect2, %l[error3])
-#endif
-               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
-               RSEQ_INJECT_ASM(6)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [v]                   "Qo" (*v),
-                 [expect]              "r" (expect),
-                 [v2]                  "Qo" (*v2),
-                 [expect2]             "r" (expect2),
-                 [newv]                "r" (newv)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2, error3
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-error3:
-       rseq_after_asm_goto();
-       rseq_bug("2nd expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
-                                void *dst, void *src, size_t len,
-                                intptr_t newv, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
-               RSEQ_ASM_OP_R_BAD_MEMCPY(dst, src, len)
-               RSEQ_INJECT_ASM(5)
-               RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
-               RSEQ_INJECT_ASM(6)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [expect]              "r" (expect),
-                 [v]                   "Qo" (*v),
-                 [newv]                "r" (newv),
-                 [dst]                 "r" (dst),
-                 [src]                 "r" (src),
-                 [len]                 "r" (len)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG, RSEQ_ASM_TMP_REG_2
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
-                                        void *dst, void *src, size_t len,
-                                        intptr_t newv, int cpu)
-{
-       RSEQ_INJECT_C(9)
-
-       __asm__ __volatile__ goto (
-               RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-               RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
-               RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
-               RSEQ_INJECT_ASM(3)
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
-               RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
-               RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-               RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
-               RSEQ_ASM_OP_R_BAD_MEMCPY(dst, src, len)
-               RSEQ_INJECT_ASM(5)
-               RSEQ_ASM_OP_FINAL_STORE_RELEASE(newv, v, 3)
-               RSEQ_INJECT_ASM(6)
-               RSEQ_ASM_DEFINE_ABORT(4, abort)
-               : /* gcc asm goto does not allow outputs */
-               : [cpu_id]              "r" (cpu),
-                 [current_cpu_id]      "Qo" (rseq_get_abi()->cpu_id),
-                 [rseq_cs]             "m" (rseq_get_abi()->rseq_cs.arch.ptr),
-                 [expect]              "r" (expect),
-                 [v]                   "Qo" (*v),
-                 [newv]                "r" (newv),
-                 [dst]                 "r" (dst),
-                 [src]                 "r" (src),
-                 [len]                 "r" (len)
-                 RSEQ_INJECT_INPUT
-               : "memory", RSEQ_ASM_TMP_REG, RSEQ_ASM_TMP_REG_2
-               : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
-                 , error1, error2
-#endif
-       );
-       rseq_after_asm_goto();
-       return 0;
-abort:
-       rseq_after_asm_goto();
-       RSEQ_INJECT_FAILED
-       return -1;
-cmpfail:
-       rseq_after_asm_goto();
-       return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
-       rseq_after_asm_goto();
-       rseq_bug("cpu_id comparison failed");
-error2:
-       rseq_after_asm_goto();
-       rseq_bug("expected value comparison failed");
-#endif
-}
+#define RSEQ_TEMPLATE_MO_RELEASE
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELEASE
+#undef RSEQ_TEMPLATE_CPU_ID
+
+/* Per-mm-cid indexing. */
+
+#define RSEQ_TEMPLATE_MM_CID
+#define RSEQ_TEMPLATE_MO_RELAXED
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELAXED
+
+#define RSEQ_TEMPLATE_MO_RELEASE
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELEASE
+#undef RSEQ_TEMPLATE_MM_CID
+
+/* APIs which are not based on cpu ids. */
+
+#define RSEQ_TEMPLATE_CPU_ID_NONE
+#define RSEQ_TEMPLATE_MO_RELAXED
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELAXED
+#undef RSEQ_TEMPLATE_CPU_ID_NONE