71 lines
2.6 KiB
C
71 lines
2.6 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) 2020-2024, 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
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 <https://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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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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MemoryProgramSegmentType_None = 0,
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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_All = (MemoryProgramSegmentType_Data | MemoryProgramSegmentType_Rodata | MemoryProgramSegmentType_Text),
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MemoryProgramSegmentType_Limit = (MemoryProgramSegmentType_All + 1) ///< Placed here for convenience.
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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, with type MemType_CodeStatic or MemType_CodeMutable and no MemoryAttribute flag set.
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* __MEM_H__ */
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