56 lines
872 B
C++
56 lines
872 B
C++
#include "stdlib.h"
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#include "mman.h"
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#include "stdio.h"
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#include <Kernel/Syscall.h>
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#include <AK/Assertions.h>
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extern "C" {
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void* malloc(size_t size)
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{
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if (size > 4096) {
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volatile char* crashme = (char*)0xc007d00d;
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*crashme = 0;
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}
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void* ptr = mmap(nullptr, 4096);
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if (ptr) {
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int rc = set_mmap_name(ptr, 4096, "malloc");
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if (rc < 0) {
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perror("set_mmap_name failed");
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}
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}
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return ptr;
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}
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void free(void* ptr)
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{
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if (!ptr)
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return;
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munmap(ptr, 4096);
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}
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void* calloc(size_t nmemb, size_t)
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{
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ASSERT_NOT_REACHED();
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return nullptr;
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}
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void* realloc(void *ptr, size_t)
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{
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ASSERT_NOT_REACHED();
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return nullptr;
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}
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void exit(int status)
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{
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Syscall::invoke(Syscall::PosixExit, (dword)status);
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}
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void abort()
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{
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// FIXME: Implement proper abort().
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exit(253);
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}
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}
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