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58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
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* mem.h
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*
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* Copyright (c) 2019, shchmue.
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* Copyright (c) 2020-2021, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* nxdumptool is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __MEM_H__
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#define __MEM_H__
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typedef enum {
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MemoryProgramSegmentType_Text = BIT(0),
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MemoryProgramSegmentType_Rodata = BIT(1),
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MemoryProgramSegmentType_Data = BIT(2)
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} MemoryProgramSegmentType;
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typedef struct {
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u64 program_id;
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u8 mask; ///< MemoryProgramSegmentType. Used with memRetrieveProgramMemorySegment(). Ignored in memRetrieveFullProgramMemory().
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u8 *data;
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u64 data_size;
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} MemoryLocation;
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/// Retrieves memory segment (.text, .rodata, .data) data from a running program.
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/// These are memory pages with read permission (Perm_R) enabled and type MemType_CodeStatic or MemType_CodeMutable.
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bool memRetrieveProgramMemorySegment(MemoryLocation *location);
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/// Retrieves full memory data from a running program.
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/// These are any type of memory pages with read permission (Perm_R) enabled and no MemoryAttribute flag set.
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/// MemType_Unmapped, MemType_Io, MemType_ThreadLocal and MemType_Reserved memory pages are excluded if FS program memory is being retrieved, in order to avoid hangs.
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bool memRetrieveFullProgramMemory(MemoryLocation *location);
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/// Frees a populated MemoryLocation element.
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NX_INLINE void memFreeMemoryLocation(MemoryLocation *location)
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{
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if (!location) return;
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if (location->data) free(location->data);
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location->data = NULL;
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location->data_size = 0;
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}
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#endif /* __MEM_H__ */
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