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📁 ..
📁 posix
📄 pt_asid.h(2.86 KB)
📄 pt_block_cache.h(7 KB)
📄 pt_block_decoder.h(4.3 KB)
📄 pt_config.h(3.2 KB)
📄 pt_cpu.h(2.24 KB)
📄 pt_cpuid.h(1.82 KB)
📄 pt_decoder_function.h(4.87 KB)
📄 pt_encoder.h(4.48 KB)
📄 pt_event_queue.h(4.46 KB)
📄 pt_ild.h(3.86 KB)
📄 pt_image.h(4.8 KB)
📄 pt_image_section_cache.h(7.3 KB)
📄 pt_insn.h(6.54 KB)
📄 pt_insn_decoder.h(4.09 KB)
📄 pt_last_ip.h(2.78 KB)
📄 pt_mapped_section.h(5.21 KB)
📄 pt_msec_cache.h(3.42 KB)
📄 pt_opcodes.h(11.53 KB)
📄 pt_packet.h(4.96 KB)
📄 pt_packet_decoder.h(4.26 KB)
📄 pt_query_decoder.h(4.91 KB)
📄 pt_retstack.h(3.03 KB)
📄 pt_section.h(12.99 KB)
📄 pt_section_file.h(3.81 KB)
📄 pt_sync.h(2.91 KB)
📄 pt_time.h(7.54 KB)
📄 pt_tnt_cache.h(3.11 KB)
📄 pti-disp-defs.h(1.97 KB)
📄 pti-disp.h(19.94 KB)
📄 pti-disp_default.h(4.46 KB)
📄 pti-imm-defs.h(2.29 KB)
📄 pti-imm.h(22.4 KB)
📄 pti-modrm-defs.h(1.71 KB)
📄 pti-modrm.h(17.85 KB)
📄 pti-sib.h(4.43 KB)
📁 windows

Editing: pt_image.h

/*
 * Copyright (c) 2013-2019, Intel Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Intel Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef PT_IMAGE_H
#define PT_IMAGE_H

#include "pt_mapped_section.h"

#include "intel-pt.h"

#include <stdint.h>

/* A list of sections. */
struct pt_section_list {
	/* The next list element. */
	struct pt_section_list *next;

/* The mapped section. */
	struct pt_mapped_section section;

/* The image section identifier. */
	int isid;
};

/* A traced image consisting of a collection of sections. */
struct pt_image {
	/* The optional image name. */
	char *name;

/* The list of sections. */
	struct pt_section_list *sections;

/* An optional read memory callback. */
	struct {
		/* The callback function. */
		read_memory_callback_t *callback;

/* The callback context. */
		void *context;
	} readmem;
};

/* Initialize an image with an optional @name. */
extern void pt_image_init(struct pt_image *image, const char *name);

/* Finalize an image.
 *
 * This removes all sections and frees the name.
 */
extern void pt_image_fini(struct pt_image *image);

/* Add a section to an image.
 *
 * Add @section identified by @isid to @image at @vaddr in @asid.  If @section
 * overlaps with existing sections, the existing sections are shrunk, split, or
 * removed to accomodate @section.  Absence of a section identifier is indicated
 * by an @isid of zero.
 *
 * Returns zero on success.
 * Returns -pte_internal if @image, @section, or @asid is NULL.
 */
extern int pt_image_add(struct pt_image *image, struct pt_section *section,
			const struct pt_asid *asid, uint64_t vaddr, int isid);

/* Remove a section from an image.
 *
 * Returns zero on success.
 * Returns -pte_internal if @image, @section, or @asid is NULL.
 * Returns -pte_bad_image if @image does not contain @section at @vaddr.
 */
extern int pt_image_remove(struct pt_image *image, struct pt_section *section,
			   const struct pt_asid *asid, uint64_t vaddr);

/* Read memory from an image.
 *
 * Reads at most @size bytes from @image at @addr in @asid into @buffer.
 *
 * Returns the number of bytes read on success, a negative error code otherwise.
 * Returns -pte_internal if @image, @isid, @buffer, or @asid is NULL.
 * Returns -pte_nomap if the section does not contain @addr.
 */
extern int pt_image_read(struct pt_image *image, int *isid, uint8_t *buffer,
			 uint16_t size, const struct pt_asid *asid,
			 uint64_t addr);

/* Find an image section.
 *
 * Find the section containing @vaddr in @asid and provide it in @msec.  On
 * success, takes a reference of @msec->section that the caller needs to put
 * after use.
 *
 * Returns the section's identifier on success, a negative error code otherwise.
 * Returns -pte_internal if @image, @msec, or @asid is NULL.
 * Returns -pte_nomap if there is no such section in @image.
 */
extern int pt_image_find(struct pt_image *image, struct pt_mapped_section *msec,
			 const struct pt_asid *asid, uint64_t vaddr);

/* Validate an image section.
 *
 * Validate that a lookup of @vaddr in @msec->asid in @image would result in
 * @msec identified by @isid.
 *
 * Validation may fail sporadically.
 *
 * Returns zero on success, a negative error code otherwise.
 * Returns -pte_invalid if @image or @msec is NULL.
 * Returns -pte_nomap if validation failed.
 */
extern int pt_image_validate(const struct pt_image *image,
			     const struct pt_mapped_section *msec,
			     uint64_t vaddr, int isid);

#endif /* PT_IMAGE_H */

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