X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Flttng-bytecode-interpreter.c;h=22c0ceb0d19ec9ad233437288b6c3deeccd019dd;hb=437d5aa59380583ce1cd14d394a53b398be1275d;hp=fcbfe0b133a4d44410b33e957dc347347c8236e8;hpb=d96a4a7a78319be3386b57d9068817e9ffac2a24;p=lttng-modules.git diff --git a/src/lttng-bytecode-interpreter.c b/src/lttng-bytecode-interpreter.c index fcbfe0b1..22c0ceb0 100644 --- a/src/lttng-bytecode-interpreter.c +++ b/src/lttng-bytecode-interpreter.c @@ -14,6 +14,7 @@ #include #include +#include /* * get_char should be called with page fault handler disabled if it is expected @@ -276,20 +277,20 @@ static int context_get_index(struct lttng_probe_ctx *lttng_probe_ctx, uint32_t idx) { - struct lttng_ctx_field *ctx_field; - struct lttng_event_field *field; + struct lttng_kernel_ctx_field *ctx_field; + const struct lttng_kernel_event_field *field; union lttng_ctx_value v; ctx_field = <tng_static_ctx->fields[idx]; - field = &ctx_field->event_field; + field = ctx_field->event_field; ptr->type = LOAD_OBJECT; /* field is only used for types nested within variants. */ ptr->field = NULL; - switch (field->type.type) { + switch (field->type->type) { case lttng_kernel_type_integer: ctx_field->get_value(ctx_field, lttng_probe_ctx, &v); - if (field->type.u.integer.signedness) { + if (lttng_kernel_get_type_integer(field->type)->signedness) { ptr->object_type = OBJECT_TYPE_S64; ptr->u.s64 = v.s64; ptr->ptr = &ptr->u.s64; @@ -299,13 +300,13 @@ static int context_get_index(struct lttng_probe_ctx *lttng_probe_ctx, ptr->ptr = &ptr->u.u64; } break; - case lttng_kernel_type_enum_nestable: + case lttng_kernel_type_enum: { - const struct lttng_integer_type *itype = - &field->type.u.enum_nestable.container_type->u.integer; + const struct lttng_kernel_type_enum *enum_type = lttng_kernel_get_type_enum(field->type); + const struct lttng_kernel_type_integer *integer_type = lttng_kernel_get_type_integer(enum_type->container_type); ctx_field->get_value(ctx_field, lttng_probe_ctx, &v); - if (itype->signedness) { + if (integer_type->signedness) { ptr->object_type = OBJECT_TYPE_SIGNED_ENUM; ptr->u.s64 = v.s64; ptr->ptr = &ptr->u.s64; @@ -316,12 +317,15 @@ static int context_get_index(struct lttng_probe_ctx *lttng_probe_ctx, } break; } - case lttng_kernel_type_array_nestable: - if (!lttng_is_bytewise_integer(field->type.u.array_nestable.elem_type)) { + case lttng_kernel_type_array: + { + const struct lttng_kernel_type_array *array_type = lttng_kernel_get_type_array(field->type); + + if (!lttng_kernel_type_is_bytewise_integer(array_type->elem_type)) { printk(KERN_WARNING "LTTng: bytecode: Array nesting only supports integer types.\n"); return -EINVAL; } - if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_kernel_string_encoding_none) { + if (array_type->encoding == lttng_kernel_string_encoding_none) { printk(KERN_WARNING "LTTng: bytecode: Only string arrays are supported for contexts.\n"); return -EINVAL; } @@ -329,12 +333,16 @@ static int context_get_index(struct lttng_probe_ctx *lttng_probe_ctx, ctx_field->get_value(ctx_field, lttng_probe_ctx, &v); ptr->ptr = v.str; break; - case lttng_kernel_type_sequence_nestable: - if (!lttng_is_bytewise_integer(field->type.u.sequence_nestable.elem_type)) { + } + case lttng_kernel_type_sequence: + { + const struct lttng_kernel_type_sequence *sequence_type = lttng_kernel_get_type_sequence(field->type); + + if (!lttng_kernel_type_is_bytewise_integer(sequence_type->elem_type)) { printk(KERN_WARNING "LTTng: bytecode: Sequence nesting only supports integer types.\n"); return -EINVAL; } - if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_kernel_string_encoding_none) { + if (sequence_type->encoding == lttng_kernel_string_encoding_none) { printk(KERN_WARNING "LTTng: bytecode: Only string sequences are supported for contexts.\n"); return -EINVAL; } @@ -342,19 +350,20 @@ static int context_get_index(struct lttng_probe_ctx *lttng_probe_ctx, ctx_field->get_value(ctx_field, lttng_probe_ctx, &v); ptr->ptr = v.str; break; + } case lttng_kernel_type_string: ptr->object_type = OBJECT_TYPE_STRING; ctx_field->get_value(ctx_field, lttng_probe_ctx, &v); ptr->ptr = v.str; break; - case lttng_kernel_type_struct_nestable: + case lttng_kernel_type_struct: printk(KERN_WARNING "LTTng: bytecode: Structure type cannot be loaded.\n"); return -EINVAL; - case lttng_kernel_type_variant_nestable: + case lttng_kernel_type_variant: printk(KERN_WARNING "LTTng: bytecode: Variant type cannot be loaded.\n"); return -EINVAL; default: - printk(KERN_WARNING "LTTng: bytecode: Unknown type: %d", (int) field->type.type); + printk(KERN_WARNING "LTTng: bytecode: Unknown type: %d", (int) field->type->type); return -EINVAL; } return 0; @@ -382,7 +391,7 @@ static int dynamic_get_index(struct lttng_probe_ctx *lttng_probe_ctx, stack_top->u.ptr.ptr = ptr; stack_top->u.ptr.object_type = gid->elem.type; stack_top->u.ptr.rev_bo = gid->elem.rev_bo; - BUG_ON(stack_top->u.ptr.field->type.type != lttng_kernel_type_array_nestable); + BUG_ON(stack_top->u.ptr.field->type->type != lttng_kernel_type_array); stack_top->u.ptr.field = NULL; break; } @@ -401,7 +410,7 @@ static int dynamic_get_index(struct lttng_probe_ctx *lttng_probe_ctx, stack_top->u.ptr.ptr = ptr; stack_top->u.ptr.object_type = gid->elem.type; stack_top->u.ptr.rev_bo = gid->elem.rev_bo; - BUG_ON(stack_top->u.ptr.field->type.type != lttng_kernel_type_sequence_nestable); + BUG_ON(stack_top->u.ptr.field->type->type != lttng_kernel_type_sequence); stack_top->u.ptr.field = NULL; break; } @@ -672,14 +681,14 @@ again: output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); output->u.sequence.nr_elem = *(unsigned long *) ax->u.ptr.ptr; - output->u.sequence.nested_type = ax->u.ptr.field->type.u.sequence_nestable.elem_type; + output->u.sequence.nested_type = lttng_kernel_get_type_sequence(ax->u.ptr.field->type)->elem_type; break; case OBJECT_TYPE_ARRAY: /* Skip count (unsigned long) */ output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); - output->u.sequence.nr_elem = ax->u.ptr.field->type.u.array_nestable.length; - output->u.sequence.nested_type = ax->u.ptr.field->type.u.array_nestable.elem_type; + output->u.sequence.nr_elem = lttng_kernel_get_type_array(ax->u.ptr.field->type)->length; + output->u.sequence.nested_type = lttng_kernel_get_type_array(ax->u.ptr.field->type)->elem_type; break; case OBJECT_TYPE_SIGNED_ENUM: ret = dynamic_load_field(ax); @@ -1476,7 +1485,7 @@ uint64_t bytecode_interpret(void *interpreter_data, { struct load_op *insn = (struct load_op *) pc; struct field_ref *ref = (struct field_ref *) insn->data; - struct lttng_ctx_field *ctx_field; + struct lttng_kernel_ctx_field *ctx_field; union lttng_ctx_value v; dbg_printk("get context ref offset %u type string\n", @@ -1504,7 +1513,7 @@ uint64_t bytecode_interpret(void *interpreter_data, { struct load_op *insn = (struct load_op *) pc; struct field_ref *ref = (struct field_ref *) insn->data; - struct lttng_ctx_field *ctx_field; + struct lttng_kernel_ctx_field *ctx_field; union lttng_ctx_value v; dbg_printk("get context ref offset %u type s64\n",