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nxdumptool/include/core/mem.h
2024-04-12 11:49:03 +02:00

70 lines
2.6 KiB
C

/*
* mem.h
*
* Copyright (c) 2019, shchmue.
* Copyright (c) 2020-2024, DarkMatterCore <pabloacurielz@gmail.com>.
*
* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
*
* nxdumptool is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nxdumptool is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#ifndef __MEM_H__
#define __MEM_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
MemoryProgramSegmentType_None = 0,
MemoryProgramSegmentType_Text = BIT(0),
MemoryProgramSegmentType_Rodata = BIT(1),
MemoryProgramSegmentType_Data = BIT(2),
MemoryProgramSegmentType_All = (MemoryProgramSegmentType_Data | MemoryProgramSegmentType_Rodata | MemoryProgramSegmentType_Text),
MemoryProgramSegmentType_Limit = (MemoryProgramSegmentType_All + 1) ///< Placed here for convenience.
} MemoryProgramSegmentType;
typedef struct {
u64 program_id;
u8 mask; ///< MemoryProgramSegmentType. Used with memRetrieveProgramMemorySegment(). Ignored in memRetrieveFullProgramMemory().
u8 *data;
u64 data_size;
} MemoryLocation;
/// Retrieves memory segment (.text, .rodata, .data) data from a running program.
/// These are memory pages with read permission (Perm_R) enabled, with type MemType_CodeStatic or MemType_CodeMutable and no MemoryAttribute flag set.
bool memRetrieveProgramMemorySegment(MemoryLocation *location);
/// Retrieves full memory data from a running program.
/// These are any type of memory pages with read permission (Perm_R) enabled and no MemoryAttribute flag set.
/// 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.
bool memRetrieveFullProgramMemory(MemoryLocation *location);
/// Frees a populated MemoryLocation element.
NX_INLINE void memFreeMemoryLocation(MemoryLocation *location)
{
if (!location) return;
if (location->data) free(location->data);
location->data = NULL;
location->data_size = 0;
}
#ifdef __cplusplus
}
#endif
#endif /* __MEM_H__ */