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Diffstat (limited to 'tools/testing/selftests/rseq/rseq-ppc.h')
-rw-r--r--tools/testing/selftests/rseq/rseq-ppc.h128
1 files changed, 84 insertions, 44 deletions
diff --git a/tools/testing/selftests/rseq/rseq-ppc.h b/tools/testing/selftests/rseq/rseq-ppc.h
index 76be90196fe4..bab8e0b9fb11 100644
--- a/tools/testing/selftests/rseq/rseq-ppc.h
+++ b/tools/testing/selftests/rseq/rseq-ppc.h
@@ -47,10 +47,13 @@ do { \
#ifdef __PPC64__
-#define STORE_WORD "std "
-#define LOAD_WORD "ld "
-#define LOADX_WORD "ldx "
-#define CMP_WORD "cmpd "
+#define RSEQ_STORE_LONG(arg) "std%U[" __rseq_str(arg) "]%X[" __rseq_str(arg) "] " /* To memory ("m" constraint) */
+#define RSEQ_STORE_INT(arg) "stw%U[" __rseq_str(arg) "]%X[" __rseq_str(arg) "] " /* To memory ("m" constraint) */
+#define RSEQ_LOAD_LONG(arg) "ld%U[" __rseq_str(arg) "]%X[" __rseq_str(arg) "] " /* From memory ("m" constraint) */
+#define RSEQ_LOAD_INT(arg) "lwz%U[" __rseq_str(arg) "]%X[" __rseq_str(arg) "] " /* From memory ("m" constraint) */
+#define RSEQ_LOADX_LONG "ldx " /* From base register ("b" constraint) */
+#define RSEQ_CMP_LONG "cmpd "
+#define RSEQ_CMP_LONG_INT "cmpdi "
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
@@ -89,10 +92,13 @@ do { \
#else /* #ifdef __PPC64__ */
-#define STORE_WORD "stw "
-#define LOAD_WORD "lwz "
-#define LOADX_WORD "lwzx "
-#define CMP_WORD "cmpw "
+#define RSEQ_STORE_LONG(arg) "stw%U[" __rseq_str(arg) "]%X[" __rseq_str(arg) "] " /* To memory ("m" constraint) */
+#define RSEQ_STORE_INT(arg) RSEQ_STORE_LONG(arg) /* To memory ("m" constraint) */
+#define RSEQ_LOAD_LONG(arg) "lwz%U[" __rseq_str(arg) "]%X[" __rseq_str(arg) "] " /* From memory ("m" constraint) */
+#define RSEQ_LOAD_INT(arg) RSEQ_LOAD_LONG(arg) /* From memory ("m" constraint) */
+#define RSEQ_LOADX_LONG "lwzx " /* From base register ("b" constraint) */
+#define RSEQ_CMP_LONG "cmpw "
+#define RSEQ_CMP_LONG_INT "cmpwi "
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
@@ -125,7 +131,7 @@ do { \
RSEQ_INJECT_ASM(1) \
"lis %%r17, (" __rseq_str(cs_label) ")@ha\n\t" \
"addi %%r17, %%r17, (" __rseq_str(cs_label) ")@l\n\t" \
- "stw %%r17, %[" __rseq_str(rseq_cs) "]\n\t" \
+ RSEQ_STORE_INT(rseq_cs) "%%r17, %[" __rseq_str(rseq_cs) "]\n\t" \
__rseq_str(label) ":\n\t"
#endif /* #ifdef __PPC64__ */
@@ -136,7 +142,7 @@ do { \
#define RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, label) \
RSEQ_INJECT_ASM(2) \
- "lwz %%r17, %[" __rseq_str(current_cpu_id) "]\n\t" \
+ RSEQ_LOAD_INT(current_cpu_id) "%%r17, %[" __rseq_str(current_cpu_id) "]\n\t" \
"cmpw cr7, %[" __rseq_str(cpu_id) "], %%r17\n\t" \
"bne- cr7, " __rseq_str(label) "\n\t"
@@ -153,25 +159,25 @@ do { \
* RSEQ_ASM_OP_* (else): doesn't have hard-code registers(unless cr7)
*/
#define RSEQ_ASM_OP_CMPEQ(var, expect, label) \
- LOAD_WORD "%%r17, %[" __rseq_str(var) "]\n\t" \
- CMP_WORD "cr7, %%r17, %[" __rseq_str(expect) "]\n\t" \
+ RSEQ_LOAD_LONG(var) "%%r17, %[" __rseq_str(var) "]\n\t" \
+ RSEQ_CMP_LONG "cr7, %%r17, %[" __rseq_str(expect) "]\n\t" \
"bne- cr7, " __rseq_str(label) "\n\t"
#define RSEQ_ASM_OP_CMPNE(var, expectnot, label) \
- LOAD_WORD "%%r17, %[" __rseq_str(var) "]\n\t" \
- CMP_WORD "cr7, %%r17, %[" __rseq_str(expectnot) "]\n\t" \
+ RSEQ_LOAD_LONG(var) "%%r17, %[" __rseq_str(var) "]\n\t" \
+ RSEQ_CMP_LONG "cr7, %%r17, %[" __rseq_str(expectnot) "]\n\t" \
"beq- cr7, " __rseq_str(label) "\n\t"
#define RSEQ_ASM_OP_STORE(value, var) \
- STORE_WORD "%[" __rseq_str(value) "], %[" __rseq_str(var) "]\n\t"
+ RSEQ_STORE_LONG(var) "%[" __rseq_str(value) "], %[" __rseq_str(var) "]\n\t"
/* Load @var to r17 */
#define RSEQ_ASM_OP_R_LOAD(var) \
- LOAD_WORD "%%r17, %[" __rseq_str(var) "]\n\t"
+ RSEQ_LOAD_LONG(var) "%%r17, %[" __rseq_str(var) "]\n\t"
/* Store r17 to @var */
#define RSEQ_ASM_OP_R_STORE(var) \
- STORE_WORD "%%r17, %[" __rseq_str(var) "]\n\t"
+ RSEQ_STORE_LONG(var) "%%r17, %[" __rseq_str(var) "]\n\t"
/* Add @count to r17 */
#define RSEQ_ASM_OP_R_ADD(count) \
@@ -179,11 +185,11 @@ do { \
/* Load (r17 + voffp) to r17 */
#define RSEQ_ASM_OP_R_LOADX(voffp) \
- LOADX_WORD "%%r17, %[" __rseq_str(voffp) "], %%r17\n\t"
+ RSEQ_LOADX_LONG "%%r17, %[" __rseq_str(voffp) "], %%r17\n\t"
/* TODO: implement a faster memcpy. */
#define RSEQ_ASM_OP_R_MEMCPY() \
- "cmpdi %%r19, 0\n\t" \
+ RSEQ_CMP_LONG_INT "%%r19, 0\n\t" \
"beq 333f\n\t" \
"addi %%r20, %%r20, -1\n\t" \
"addi %%r21, %%r21, -1\n\t" \
@@ -191,16 +197,16 @@ do { \
"lbzu %%r18, 1(%%r20)\n\t" \
"stbu %%r18, 1(%%r21)\n\t" \
"addi %%r19, %%r19, -1\n\t" \
- "cmpdi %%r19, 0\n\t" \
+ RSEQ_CMP_LONG_INT "%%r19, 0\n\t" \
"bne 222b\n\t" \
"333:\n\t" \
#define RSEQ_ASM_OP_R_FINAL_STORE(var, post_commit_label) \
- STORE_WORD "%%r17, %[" __rseq_str(var) "]\n\t" \
+ RSEQ_STORE_LONG(var) "%%r17, %[" __rseq_str(var) "]\n\t" \
__rseq_str(post_commit_label) ":\n\t"
#define RSEQ_ASM_OP_FINAL_STORE(value, var, post_commit_label) \
- STORE_WORD "%[" __rseq_str(value) "], %[" __rseq_str(var) "]\n\t" \
+ RSEQ_STORE_LONG(var) "%[" __rseq_str(value) "], %[" __rseq_str(var) "]\n\t" \
__rseq_str(post_commit_label) ":\n\t"
static inline __attribute__((always_inline))
@@ -235,8 +241,8 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -248,23 +254,28 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
, 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,
- off_t voffp, intptr_t *load, int cpu)
+ long voffp, intptr_t *load, int cpu)
{
RSEQ_INJECT_C(9)
@@ -301,8 +312,8 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -316,16 +327,21 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
, 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
}
@@ -359,8 +375,8 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[count] "r" (count)
@@ -372,12 +388,15 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
, 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
}
@@ -419,8 +438,8 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -436,16 +455,21 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
, 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
}
@@ -489,8 +513,8 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -506,16 +530,21 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
, 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
}
@@ -560,8 +589,8 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -577,18 +606,24 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
, 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("1st expected value comparison failed");
error3:
+ rseq_after_asm_goto();
rseq_bug("2nd expected value comparison failed");
#endif
}
@@ -635,8 +670,8 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
@@ -653,16 +688,21 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
, 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
}
@@ -711,8 +751,8 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [current_cpu_id] "m" (rseq_get_abi()->cpu_id),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
@@ -729,23 +769,23 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
, 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
}
-#undef STORE_WORD
-#undef LOAD_WORD
-#undef LOADX_WORD
-#undef CMP_WORD
-
#endif /* !RSEQ_SKIP_FASTPATH */
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-15 02:45:27 +0300