115 lines
2.7 KiB
C++
115 lines
2.7 KiB
C++
/* SCE CONFIDENTIAL
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PlayStation(R)4 Programmer Tool Runtime Library Release 01.600.051
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* Copyright (C) 2013 Sony Computer Entertainment Inc.
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* All Rights Reserved.
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*/
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extern "C"
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{
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#include <stdlib.h>
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#include <mspace.h>
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#include <kernel.h>
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#define HEAP_SIZE (4 * 1024 * 1024)
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static SceLibcMspace s_mspace;
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static off_t s_memStart;
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static size_t s_memLength = 4 * 1024 * 1024;
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static size_t s_memAlign = 2 * 1024 * 1024;
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int user_malloc_init_for_tls(void);
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int user_malloc_fini_for_tls(void);
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void *user_malloc_for_tls(size_t size);
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void user_free_for_tls(void *ptr);
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int user_posix_memalign_for_tls(void **ptr, size_t boundary, size_t size);
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//E Replace _malloc_init_for_tls function.
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//J _malloc_init_for_tls 関数と置き換わる
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int user_malloc_init_for_tls(void)
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{
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int res;
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void *addr;
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//E Allocate direct memory
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//J ダイレクトメモリを割り当てる
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res = sceKernelAllocateDirectMemory(0, SCE_KERNEL_MAIN_DMEM_SIZE, s_memLength, s_memAlign, SCE_KERNEL_WB_ONION, &s_memStart);
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if (res < 0) {
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//E Error handling
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//J エラー処理
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return 1;
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}
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addr = NULL;
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//E Map direct memory to the process address space
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//J ダイレクトメモリをプロセスアドレス空間にマップする
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res = sceKernelMapDirectMemory(&addr, HEAP_SIZE, SCE_KERNEL_PROT_CPU_READ | SCE_KERNEL_PROT_CPU_WRITE, 0, s_memStart, s_memAlign);
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if (res < 0) {
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//E Error handling
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//J エラー処理
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return 1;
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}
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//E Generate mspace
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//J mspace を生成する
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s_mspace = sceLibcMspaceCreate("User Malloc For TLS", addr, HEAP_SIZE, 0);
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if (s_mspace == NULL) {
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//E Error handling
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//J エラー処理
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return 1;
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}
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return 0;
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}
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//E Replace _malloc_fini_for_tls function.
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//J _malloc_fini_for_tls 関数と置き換わる
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int user_malloc_fini_for_tls(void)
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{
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int res;
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if (s_mspace != NULL) {
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//E Free mspace
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//J mspace を解放する
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res = sceLibcMspaceDestroy(s_mspace);
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if (res != 0) {
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//E Error handling
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//J エラー処理
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return 1;
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}
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}
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//E Release direct memory
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//J ダイレクトメモリを解放する
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res = sceKernelReleaseDirectMemory(s_memStart, s_memLength);
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if (res < 0) {
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//E Error handling
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//J エラー処理
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return 1;
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}
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return 0;
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}
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//E Replace _malloc_for_tls function.
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//J _malloc_for_tls 関数と置き換わる
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void *user_malloc_for_tls(size_t size)
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{
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return sceLibcMspaceMalloc(s_mspace, size);
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}
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//E Replace _free_for_tls function.
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//J _free_for_tls 関数と置き換わる
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void user_free_for_tls(void *ptr)
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{
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sceLibcMspaceFree(s_mspace, ptr);
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}
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//E Replace _posix_memalign_for_tls function.
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//J _posix_memalign_for_tls 関数と置き換わる
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int user_posix_memalign_for_tls(void **ptr, size_t boundary, size_t size)
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{
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return sceLibcMspacePosixMemalign(s_mspace, ptr, boundary, size);
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}
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} // extern "c"
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