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pt_section_windows.h
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Editing: pt_section_windows.h
/* * Copyright (c) 2015-2019, 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_SECTION_WINDOWS_H #define PT_SECTION_WINDOWS_H #include <windows.h> #include <sys/types.h> #include <sys/stat.h> struct pt_section; /* Fstat-based file status. */ struct pt_sec_windows_status { /* The file status. */ struct _stat stat; }; /* FileView-based section mapping information. */ struct pt_sec_windows_mapping { /* The file descriptor. */ int fd; /* The FileMapping handle. */ HANDLE mh; /* The mmap base address. */ uint8_t *base; /* The begin and end of the mapped memory. */ const uint8_t *begin, *end; }; /* Map a section. * * The caller has already opened the file for reading. * * On success, sets @section's mapping, unmap, and read pointers. * * Returns zero on success, a negative error code otherwise. * Returns -pte_internal if @section is NULL. * Returns -pte_invalid if @section can't be mapped. */ extern int pt_sec_windows_map(struct pt_section *section, int fd); /* Unmap a section. * * On success, clears @section's mapping, unmap, and read pointers. * * This function should not be called directly; call @section->unmap() instead. * * Returns zero on success, a negative error code otherwise. * Returns -pte_internal if @section is NULL. * Returns -pte_internal if @section has not been mapped. */ extern int pt_sec_windows_unmap(struct pt_section *section); /* Read memory from an mmaped section. * * Reads at most @size bytes from @section at @offset into @buffer. * * This function should not be called directly; call @section->read() instead. * * Returns the number of bytes read on success, a negative error code otherwise. * Returns -pte_invalid if @section or @buffer are NULL. * Returns -pte_nomap if @offset is beyond the end of the section. */ extern int pt_sec_windows_read(const struct pt_section *section, uint8_t *buffer, uint16_t size, uint64_t offset); /* Compute the memory size of a section. * * On success, provides the amount of memory used for mapping @section in bytes * in @size. * * Returns zero on success, a negative error code otherwise. * Returns -pte_internal if @section or @size is NULL. * Returns -pte_internal if @section has not been mapped. */ extern int pt_sec_windows_memsize(const struct pt_section *section, uint64_t *size); #endif /* PT_SECTION_WINDOWS_H */
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