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feat(libc): implement heap trace info

This commit is contained in:
boykopovar 2026-09-26 17:37:29 +03:00
parent c9cb3cae39
commit ae2e5cba7e
4 changed files with 37 additions and 9 deletions
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9
core/libs/prx/libSceLibcInternal/Export.cpp
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@ -1,14 +1,9 @@
#include <cstdint>
#include <cstddef>
#include "SceTypes.hpp"
#include "prx/libc/include/General.hpp"
#include "prx/libc/include/HeapDiagnostics.hpp"
extern "C" {
void APS5_VABI sceLibcHeapGetTraceInfo_nid_postfix(Info* info) {
(void)info;
NotImplemented_nid_no_patch(__func__);
LibcHeapTraceInfo_nid_no_patch(info);
}
}

4
core/libs/prx/libc/Export.cpp
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@ -2,6 +2,7 @@
#include <cstddef>
#include "SceTypes.hpp"
#include "prx/libc/include/General.hpp"
#include "prx/libc/include/HeapDiagnostics.hpp"
uint32_t Need_sceLibc = 1;
@ -39,8 +40,7 @@ extern "C" {
}
void APS5_VABI LibcHeapGetTraceInfo_nid_postfix(LibcHeapInfo* info) {
(void)info;
NotImplemented_nid_no_patch(__func__);
LibcHeapTraceInfo_nid_no_patch(info);
}
int APS5_VABI LibcInternalExtCxaThreadAtexit_nid_postfix(void (*destructor)(void*), void* object, void* module_id) {

8
core/libs/prx/libc/include/HeapDiagnostics.hpp Normal file
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@ -0,0 +1,8 @@
#ifndef CORE_LIBS_PRX_LIBC_INCLUDE_HEAPDIAGNOSTICS_HPP
#define CORE_LIBS_PRX_LIBC_INCLUDE_HEAPDIAGNOSTICS_HPP
#include "SceTypes.hpp"
extern "C" void LibcHeapTraceInfo_nid_no_patch(LibcHeapInfo* info);
#endif

25
core/libs/prx/libc/src/HeapDiagnostics.cpp
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@ -1,8 +1,33 @@
#include "prx/libc/include/General.hpp"
#include "prx/libc/include/HeapDiagnostics.hpp"
#include <array>
#include <cstddef>
#include <cstdint>
#include <stdexcept>
namespace {
std::uint64_t mspaceAtomicIdMask = 0;
std::array<std::uint64_t, 64> mstateTable{};
static_assert(sizeof(LibcHeapInfo) == 32);
static_assert(offsetof(LibcHeapInfo, mspace_atomic_id_mask) == 16);
static_assert(offsetof(LibcHeapInfo, mstate_table) == 24);
}
extern "C" {
void LibcHeapTraceInfo_nid_no_patch(LibcHeapInfo* info) {
if (info == nullptr)
throw std::invalid_argument("heap trace info: null output");
if (info->size != sizeof(LibcHeapInfo))
throw std::invalid_argument("heap trace info: unsupported structure size");
info->unknown2 = 0;
info->mspace_atomic_id_mask = &mspaceAtomicIdMask;
info->mstate_table = mstateTable.data();
}
// unknown signature
void APS5_VABI sceLibcInternalBacktraceForGame_nid_postfix(const char* heapName) {
(void)heapName;