mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-13 19:42:27 +00:00
142 lines
4.2 KiB
C++
142 lines
4.2 KiB
C++
#include <switch.h>
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#include <algorithm>
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#include <cstdio>
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#include "ldr_registration.hpp"
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static Registration::List g_registration_list = {0};
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static u64 g_num_registered = 1;
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Registration::Process *Registration::GetFreeProcess() {
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unsigned int i;
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for (i = 0; i < REGISTRATION_LIST_MAX; i++) {
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if (!g_registration_list.processes[i].in_use) {
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return &g_registration_list.processes[i];
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}
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}
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return NULL;
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}
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Registration::Process *Registration::GetProcess(u64 index) {
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unsigned int i;
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for (i = 0; i < REGISTRATION_LIST_MAX && (!g_registration_list.processes[i].in_use || g_registration_list.processes[i].index != index); i++) {
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}
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if (i >= REGISTRATION_LIST_MAX) {
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return NULL;
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}
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return &g_registration_list.processes[i];
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}
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Registration::Process *Registration::GetProcessByProcessId(u64 pid) {
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unsigned int i;
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for (i = 0; i < REGISTRATION_LIST_MAX && (!g_registration_list.processes[i].in_use || g_registration_list.processes[i].process_id != pid); i++) {
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}
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if (i >= REGISTRATION_LIST_MAX) {
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return NULL;
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}
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return &g_registration_list.processes[i];
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}
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bool Registration::RegisterTidSid(const TidSid *tid_sid, u64 *out_index) {
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Registration::Process *free_process = GetFreeProcess();
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if (free_process == NULL) {
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return false;
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}
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/* Reset the process. */
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*free_process = {0};
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free_process->tid_sid = *tid_sid;
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free_process->in_use = true;
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free_process->index = g_num_registered++;
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*out_index = free_process->index;
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return true;
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}
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bool Registration::UnregisterIndex(u64 index) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return false;
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}
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/* Reset the process. */
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*target_process = {0};
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return true;
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}
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Result Registration::GetRegisteredTidSid(u64 index, Registration::TidSid *out) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return 0x1009;
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}
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*out = target_process->tid_sid;
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return 0;
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}
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void Registration::SetProcessIdTidMinAndIs64BitAddressSpace(u64 index, u64 process_id, u64 tid_min, bool is_64_bit_addspace) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return;
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}
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target_process->process_id = process_id;
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target_process->title_id_min = tid_min;
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target_process->is_64_bit_addspace = is_64_bit_addspace;
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}
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void Registration::AddNsoInfo(u64 index, u64 base_address, u64 size, const unsigned char *build_id) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return;
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}
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for (unsigned int i = 0; i < NSO_INFO_MAX; i++) {
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if (!target_process->nso_infos[i].in_use) {
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target_process->nso_infos[i].info.base_address = base_address;
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target_process->nso_infos[i].info.size = size;
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std::copy(build_id, build_id + sizeof(target_process->nso_infos[i].info.build_id), target_process->nso_infos[i].info.build_id);
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target_process->nso_infos[i].in_use = true;
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return;
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}
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}
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}
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Result Registration::AddNrrInfo(u64 index, MappedCodeMemory *nrr_info) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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/* TODO: panic() */
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return 0x7009;
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}
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for (unsigned int i = 0; i < NSO_INFO_MAX; i++) {
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if (!target_process->nrr_infos[i].IsActive()) {
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target_process->nrr_infos[i] = *nrr_info;
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return 0;
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}
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}
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return 0x7009;
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}
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Result Registration::GetNsoInfosForProcessId(Registration::NsoInfo *out, u32 max_out, u64 process_id, u32 *num_written) {
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Registration::Process *target_process = GetProcessByProcessId(process_id);
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if (target_process == NULL) {
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return 0x1009;
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}
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u32 cur = 0;
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if (max_out > 0) {
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for (unsigned int i = 0; i < NSO_INFO_MAX && cur < max_out; i++) {
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if (target_process->nso_infos[i].in_use) {
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out[cur++] = target_process->nso_infos[i].info;
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}
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}
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}
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*num_written = cur;
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return 0;
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}
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