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Performance: define _LGPL_SOURCE in LGPL c files
[lttng-ust.git]
/
liblttng-ust
/
lttng-filter-specialize.c
diff --git
a/liblttng-ust/lttng-filter-specialize.c
b/liblttng-ust/lttng-filter-specialize.c
index b422f50863a5f4608405c5c41ca5ed32faf1f61f..d115585d8c9a1cc85b482a72bf981e5cad031ffa 100644
(file)
--- a/
liblttng-ust/lttng-filter-specialize.c
+++ b/
liblttng-ust/lttng-filter-specialize.c
@@
-20,6
+20,7
@@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#define _LGPL_SOURCE
#include "lttng-filter.h"
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
#include "lttng-filter.h"
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
@@
-73,20
+74,28
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
goto end;
case REG_STRING:
goto end;
case REG_STRING:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
insn->op = FILTER_OP_EQ_STRING;
break;
case REG_S64:
insn->op = FILTER_OP_EQ_STRING;
break;
case REG_S64:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_EQ_S64;
else
insn->op = FILTER_OP_EQ_DOUBLE_S64;
break;
case REG_DOUBLE:
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_EQ_S64;
else
insn->op = FILTER_OP_EQ_DOUBLE_S64;
break;
case REG_DOUBLE:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_EQ_S64_DOUBLE;
else
insn->op = FILTER_OP_EQ_DOUBLE;
break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_EQ_S64_DOUBLE;
else
insn->op = FILTER_OP_EQ_DOUBLE;
break;
+ case REG_UNKNOWN:
+ break; /* Dynamic typing. */
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
@@
-109,20
+118,28
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
goto end;
case REG_STRING:
goto end;
case REG_STRING:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
insn->op = FILTER_OP_NE_STRING;
break;
case REG_S64:
insn->op = FILTER_OP_NE_STRING;
break;
case REG_S64:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_NE_S64;
else
insn->op = FILTER_OP_NE_DOUBLE_S64;
break;
case REG_DOUBLE:
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_NE_S64;
else
insn->op = FILTER_OP_NE_DOUBLE_S64;
break;
case REG_DOUBLE:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_NE_S64_DOUBLE;
else
insn->op = FILTER_OP_NE_DOUBLE;
break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_NE_S64_DOUBLE;
else
insn->op = FILTER_OP_NE_DOUBLE;
break;
+ case REG_UNKNOWN:
+ break; /* Dynamic typing. */
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
@@
-145,20
+162,28
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
goto end;
case REG_STRING:
goto end;
case REG_STRING:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
insn->op = FILTER_OP_GT_STRING;
break;
case REG_S64:
insn->op = FILTER_OP_GT_STRING;
break;
case REG_S64:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GT_S64;
else
insn->op = FILTER_OP_GT_DOUBLE_S64;
break;
case REG_DOUBLE:
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GT_S64;
else
insn->op = FILTER_OP_GT_DOUBLE_S64;
break;
case REG_DOUBLE:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GT_S64_DOUBLE;
else
insn->op = FILTER_OP_GT_DOUBLE;
break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GT_S64_DOUBLE;
else
insn->op = FILTER_OP_GT_DOUBLE;
break;
+ case REG_UNKNOWN:
+ break; /* Dynamic typing. */
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
@@
-181,20
+206,28
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
goto end;
case REG_STRING:
goto end;
case REG_STRING:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
insn->op = FILTER_OP_LT_STRING;
break;
case REG_S64:
insn->op = FILTER_OP_LT_STRING;
break;
case REG_S64:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LT_S64;
else
insn->op = FILTER_OP_LT_DOUBLE_S64;
break;
case REG_DOUBLE:
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LT_S64;
else
insn->op = FILTER_OP_LT_DOUBLE_S64;
break;
case REG_DOUBLE:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LT_S64_DOUBLE;
else
insn->op = FILTER_OP_LT_DOUBLE;
break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LT_S64_DOUBLE;
else
insn->op = FILTER_OP_LT_DOUBLE;
break;
+ case REG_UNKNOWN:
+ break; /* Dynamic typing. */
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
@@
-217,20
+250,28
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
goto end;
case REG_STRING:
goto end;
case REG_STRING:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
insn->op = FILTER_OP_GE_STRING;
break;
case REG_S64:
insn->op = FILTER_OP_GE_STRING;
break;
case REG_S64:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GE_S64;
else
insn->op = FILTER_OP_GE_DOUBLE_S64;
break;
case REG_DOUBLE:
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GE_S64;
else
insn->op = FILTER_OP_GE_DOUBLE_S64;
break;
case REG_DOUBLE:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GE_S64_DOUBLE;
else
insn->op = FILTER_OP_GE_DOUBLE;
break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_GE_S64_DOUBLE;
else
insn->op = FILTER_OP_GE_DOUBLE;
break;
+ case REG_UNKNOWN:
+ break; /* Dynamic typing. */
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
}
/* Pop 2, push 1 */
if (vstack_pop(stack)) {
@@
-252,20
+293,28
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
goto end;
case REG_STRING:
goto end;
case REG_STRING:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
insn->op = FILTER_OP_LE_STRING;
break;
case REG_S64:
insn->op = FILTER_OP_LE_STRING;
break;
case REG_S64:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LE_S64;
else
insn->op = FILTER_OP_LE_DOUBLE_S64;
break;
case REG_DOUBLE:
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LE_S64;
else
insn->op = FILTER_OP_LE_DOUBLE_S64;
break;
case REG_DOUBLE:
+ if (vstack_bx(stack)->type == REG_UNKNOWN)
+ break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LE_S64_DOUBLE;
else
insn->op = FILTER_OP_LE_DOUBLE;
break;
if (vstack_bx(stack)->type == REG_S64)
insn->op = FILTER_OP_LE_S64_DOUBLE;
else
insn->op = FILTER_OP_LE_DOUBLE;
break;
+ case REG_UNKNOWN:
+ break; /* Dynamic typing. */
}
vstack_ax(stack)->type = REG_S64;
next_pc += sizeof(struct binary_op);
}
vstack_ax(stack)->type = REG_S64;
next_pc += sizeof(struct binary_op);
@@
-330,6
+379,8
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
case REG_DOUBLE:
insn->op = FILTER_OP_UNARY_PLUS_DOUBLE;
break;
case REG_DOUBLE:
insn->op = FILTER_OP_UNARY_PLUS_DOUBLE;
break;
+ case REG_UNKNOWN: /* Dynamic typing. */
+ break;
}
/* Pop 1, push 1 */
next_pc += sizeof(struct unary_op);
}
/* Pop 1, push 1 */
next_pc += sizeof(struct unary_op);
@@
-352,6
+403,8
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
case REG_DOUBLE:
insn->op = FILTER_OP_UNARY_MINUS_DOUBLE;
break;
case REG_DOUBLE:
insn->op = FILTER_OP_UNARY_MINUS_DOUBLE;
break;
+ case REG_UNKNOWN: /* Dynamic typing. */
+ break;
}
/* Pop 1, push 1 */
next_pc += sizeof(struct unary_op);
}
/* Pop 1, push 1 */
next_pc += sizeof(struct unary_op);
@@
-374,6
+427,8
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
case REG_DOUBLE:
insn->op = FILTER_OP_UNARY_NOT_DOUBLE;
break;
case REG_DOUBLE:
insn->op = FILTER_OP_UNARY_NOT_DOUBLE;
break;
+ case REG_UNKNOWN: /* Dynamic typing. */
+ break;
}
/* Pop 1, push 1 */
next_pc += sizeof(struct unary_op);
}
/* Pop 1, push 1 */
next_pc += sizeof(struct unary_op);
@@
-396,19
+451,37
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
case FILTER_OP_AND:
case FILTER_OP_OR:
{
case FILTER_OP_AND:
case FILTER_OP_OR:
{
+ /* Continue to next instruction */
+ /* Pop 1 when jump not taken */
+ if (vstack_pop(stack)) {
+ ret = -EINVAL;
+ goto end;
+ }
next_pc += sizeof(struct logical_op);
break;
}
next_pc += sizeof(struct logical_op);
break;
}
- /* load */
+ /* load
field ref
*/
case FILTER_OP_LOAD_FIELD_REF:
{
ERR("Unknown field ref type\n");
ret = -EINVAL;
goto end;
}
case FILTER_OP_LOAD_FIELD_REF:
{
ERR("Unknown field ref type\n");
ret = -EINVAL;
goto end;
}
+ /* get context ref */
+ case FILTER_OP_GET_CONTEXT_REF:
+ {
+ if (vstack_push(stack)) {
+ ret = -EINVAL;
+ goto end;
+ }
+ vstack_ax(stack)->type = REG_UNKNOWN;
+ next_pc += sizeof(struct load_op) + sizeof(struct field_ref);
+ break;
+ }
case FILTER_OP_LOAD_FIELD_REF_STRING:
case FILTER_OP_LOAD_FIELD_REF_SEQUENCE:
case FILTER_OP_LOAD_FIELD_REF_STRING:
case FILTER_OP_LOAD_FIELD_REF_SEQUENCE:
+ case FILTER_OP_GET_CONTEXT_REF_STRING:
{
if (vstack_push(stack)) {
ret = -EINVAL;
{
if (vstack_push(stack)) {
ret = -EINVAL;
@@
-419,6
+492,7
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
break;
}
case FILTER_OP_LOAD_FIELD_REF_S64:
break;
}
case FILTER_OP_LOAD_FIELD_REF_S64:
+ case FILTER_OP_GET_CONTEXT_REF_S64:
{
if (vstack_push(stack)) {
ret = -EINVAL;
{
if (vstack_push(stack)) {
ret = -EINVAL;
@@
-429,6
+503,7
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
break;
}
case FILTER_OP_LOAD_FIELD_REF_DOUBLE:
break;
}
case FILTER_OP_LOAD_FIELD_REF_DOUBLE:
+ case FILTER_OP_GET_CONTEXT_REF_DOUBLE:
{
if (vstack_push(stack)) {
ret = -EINVAL;
{
if (vstack_push(stack)) {
ret = -EINVAL;
@@
-439,6
+514,7
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
break;
}
break;
}
+ /* load from immediate operand */
case FILTER_OP_LOAD_STRING:
{
struct load_op *insn = (struct load_op *) pc;
case FILTER_OP_LOAD_STRING:
{
struct load_op *insn = (struct load_op *) pc;
@@
-497,6
+573,8
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
case REG_DOUBLE:
insn->op = FILTER_OP_CAST_DOUBLE_TO_S64;
break;
case REG_DOUBLE:
insn->op = FILTER_OP_CAST_DOUBLE_TO_S64;
break;
+ case REG_UNKNOWN:
+ break;
}
/* Pop 1, push 1 */
vstack_ax(stack)->type = REG_S64;
}
/* Pop 1, push 1 */
vstack_ax(stack)->type = REG_S64;
@@
-516,7
+594,6
@@
int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode)
break;
}
break;
}
-
}
}
end:
}
}
end:
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and
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