X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;ds=sidebyside;f=lttng-filter.h;h=fec2db1f6c3b2fad866a536587bed97fd959b0dd;hb=HEAD;hp=01bafa05f645aa10fbb8d768eadf28cc748ee1a4;hpb=02aca19338c57e5a26d11faedf031b90eaf4899c;p=lttng-modules.git

diff --git a/lttng-filter.h b/lttng-filter.h
deleted file mode 100644
index 01bafa05..00000000
--- a/lttng-filter.h
+++ /dev/null
@@ -1,191 +0,0 @@
-#ifndef _LTTNG_FILTER_H
-#define _LTTNG_FILTER_H
-
-/*
- * lttng-filter.h
- *
- * LTTng modules filter header.
- *
- * Copyright (C) 2010-2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#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_STAR_GLOB_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 */
-enum estack_string_literal_type {
-	ESTACK_STRING_LITERAL_TYPE_NONE,
-	ESTACK_STRING_LITERAL_TYPE_PLAIN,
-	ESTACK_STRING_LITERAL_TYPE_STAR_GLOB,
-};
-
-struct estack_entry {
-	union {
-		int64_t v;
-
-		struct {
-			const char *str;
-			const char __user *user_str;
-			size_t seq_len;
-			enum estack_string_literal_type literal_type;
-			int user;		/* is string from userspace ? */
-		} 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)					\
-	({							\
-		BUG_ON((top) <= FILTER_STACK_EMPTY);		\
-		&(stack)->e[top];				\
-	})
-
-#define estack_bx(stack, top)					\
-	({							\
-		BUG_ON((top) <= FILTER_STACK_EMPTY + 1);	\
-		&(stack)->e[(top) - 1];				\
-	})
-
-#define estack_push(stack, top, ax, bx)				\
-	do {							\
-		BUG_ON((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 {							\
-		BUG_ON((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,
-		struct lttng_probe_ctx *lttng_probe_ctx,
-		const char *filter_stack_data);
-uint64_t lttng_filter_interpret_bytecode(void *filter_data,
-		struct lttng_probe_ctx *lttng_probe_ctx,
-		const char *filter_stack_data);
-
-#endif /* _LTTNG_FILTER_H */