diff options
author | Ingo Molnar <mingo@kernel.org> | 2023-02-23 11:16:39 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2023-02-23 11:16:39 +0300 |
commit | 585a78c1f77be305b1f6adad392f16047fb66ffd (patch) | |
tree | 765143b487d582832c7695c9fbcae141c35baa4c /tools/testing/selftests/rseq/rseq-arm64.h | |
parent | 37064583f63eca93c98a9cdf2360485ea05f617a (diff) | |
parent | 69308402ca6f5b80a5a090ade0b13bd146891420 (diff) | |
download | linux-585a78c1f77be305b1f6adad392f16047fb66ffd.tar.xz |
Merge branch 'linus' into objtool/core, to pick up Xen dependencies
Pick up dependencies - freshly merged upstream via xen-next - before applying
dependent objtool changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/selftests/rseq/rseq-arm64.h')
-rw-r--r-- | tools/testing/selftests/rseq/rseq-arm64.h | 520 |
1 files changed, 29 insertions, 491 deletions
diff --git a/tools/testing/selftests/rseq/rseq-arm64.h b/tools/testing/selftests/rseq/rseq-arm64.h index cbe190a4d005..85b90977e7e6 100644 --- 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> */ @@ -85,10 +85,6 @@ do { \ } \ } while (0) -#ifdef RSEQ_SKIP_FASTPATH -#include "rseq-skip.h" -#else /* !RSEQ_SKIP_FASTPATH */ - #define RSEQ_ASM_TMP_REG32 "w15" #define RSEQ_ASM_TMP_REG "x15" #define RSEQ_ASM_TMP_REG_2 "x14" @@ -204,492 +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. */ -#endif /* !RSEQ_SKIP_FASTPATH */ +#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 |