Fix: timer_expire_entry changed in 4.19.312
[lttng-modules.git] / lttng-filter.h
diff --git a/lttng-filter.h b/lttng-filter.h
deleted file mode 100644 (file)
index 98b97c2..0000000
+++ /dev/null
@@ -1,176 +0,0 @@
-#ifndef _LTTNG_FILTER_H
-#define _LTTNG_FILTER_H
-
-/*
- * lttng-filter.h
- *
- * LTTng modules filter header.
- *
- * Copyright (C) 2010-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/kernel.h>
-
-#include "lttng-events.h"
-#include "filter-bytecode.h"
-
-/* Filter stack length, in number of entries */
-#define FILTER_STACK_LEN       10      /* includes 2 dummy */
-#define FILTER_STACK_EMPTY     1
-
-#ifdef DEBUG
-#define dbg_printk(fmt, args...)                               \
-       printk(KERN_DEBUG "[debug bytecode in %s:%s@%u] " fmt,          \
-               __FILE__, __func__, __LINE__, ## args)
-#else
-#define dbg_printk(fmt, args...)                               \
-do {                                                           \
-       /* do nothing but check printf format */                \
-       if (0)                                                  \
-               printk(KERN_DEBUG "[debug bytecode in %s:%s@%u] " fmt,  \
-                       __FILE__, __func__, __LINE__, ## args); \
-} while (0)
-#endif
-
-/* Linked bytecode. Child of struct lttng_bytecode_runtime. */
-struct bytecode_runtime {
-       struct lttng_bytecode_runtime p;
-       uint16_t len;
-       char data[0];
-};
-
-enum entry_type {
-       REG_S64,
-       REG_DOUBLE,
-       REG_STRING,
-       REG_TYPE_UNKNOWN,
-};
-
-/* Validation stack */
-struct vstack_entry {
-       enum entry_type type;
-};
-
-struct vstack {
-       int top;        /* top of stack */
-       struct vstack_entry e[FILTER_STACK_LEN];
-};
-
-static inline
-void vstack_init(struct vstack *stack)
-{
-       stack->top = -1;
-}
-
-static inline
-struct vstack_entry *vstack_ax(struct vstack *stack)
-{
-       if (unlikely(stack->top < 0))
-               return NULL;
-       return &stack->e[stack->top];
-}
-
-static inline
-struct vstack_entry *vstack_bx(struct vstack *stack)
-{
-       if (unlikely(stack->top < 1))
-               return NULL;
-       return &stack->e[stack->top - 1];
-}
-
-static inline
-int vstack_push(struct vstack *stack)
-{
-       if (stack->top >= FILTER_STACK_LEN - 1) {
-               printk(KERN_WARNING "Stack full\n");
-               return -EINVAL;
-       }
-       ++stack->top;
-       return 0;
-}
-
-static inline
-int vstack_pop(struct vstack *stack)
-{
-       if (unlikely(stack->top < 0)) {
-               printk(KERN_WARNING "Stack empty\n");
-               return -EINVAL;
-       }
-       stack->top--;
-       return 0;
-}
-
-/* Execution stack */
-struct estack_entry {
-       union {
-               int64_t v;
-
-               struct {
-                       const char *str;
-                       size_t seq_len;
-                       int literal;            /* is string literal ? */
-               } s;
-       } u;
-};
-
-struct estack {
-       int top;        /* top of stack */
-       struct estack_entry e[FILTER_STACK_LEN];
-};
-
-#define estack_ax_v    ax
-#define estack_bx_v    bx
-
-#define estack_ax(stack, top)                                  \
-       ({                                                      \
-               WARN_ON_ONCE((top) <= FILTER_STACK_EMPTY);      \
-               &(stack)->e[top];                               \
-       })
-
-#define estack_bx(stack, top)                                  \
-       ({                                                      \
-               WARN_ON_ONCE((top) <= FILTER_STACK_EMPTY + 1);  \
-               &(stack)->e[(top) - 1];                         \
-       })
-
-#define estack_push(stack, top, ax, bx)                                \
-       do {                                                    \
-               WARN_ON_ONCE((top) >= FILTER_STACK_LEN - 1);    \
-               (stack)->e[(top) - 1].u.v = (bx);               \
-               (bx) = (ax);                                    \
-               ++(top);                                        \
-       } while (0)
-
-#define estack_pop(stack, top, ax, bx)                         \
-       do {                                                    \
-               WARN_ON_ONCE((top) <= FILTER_STACK_EMPTY);      \
-               (ax) = (bx);                                    \
-               (bx) = (stack)->e[(top) - 2].u.v;               \
-               (top)--;                                        \
-       } while (0)
-
-const char *lttng_filter_print_op(enum filter_op op);
-
-int lttng_filter_validate_bytecode(struct bytecode_runtime *bytecode);
-int lttng_filter_specialize_bytecode(struct bytecode_runtime *bytecode);
-
-uint64_t lttng_filter_false(void *filter_data,
-               const char *filter_stack_data);
-uint64_t lttng_filter_interpret_bytecode(void *filter_data,
-               const char *filter_stack_data);
-
-#endif /* _LTTNG_FILTER_H */
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