94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
#include <map.h>
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#include <page_size.h>
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#include <stdint.h>
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#include <string.h>
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#include <system.h>
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#define LACKS_UNISTD_H 1
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#define LACKS_SYS_MMAN_H 1
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#define LACKS_SYS_PARAM_H 1
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#define LACKS_FCNTL_H 1
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#define LACKS_SYS_TYPES_H 1
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#define LACKS_SCHED_H 1
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#define LACKS_ERRNO_H 1
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#define LACKS_STDLIB_H 1
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#define LACKS_TIME_H 1
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#define LACKS_STRINGS_H 1
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#define ABORT \
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{ \
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(void)0; \
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}
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#define MALLOC_ALIGNMENT 16
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#define HAVE_MORECORE 0
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#define NO_MALLOC_STATS 1
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#define USE_LOCKS 2
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#define MALLOC_FAILURE_ACTION \
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do { \
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test('M'); \
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} while (0)
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#define EINVAL -1
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#define ENOMEM -1
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#define DEFAULT_MMAP_THRESHOLD 0
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#define MLOCK_T int
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#define open _open_dummy
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#define O_RDWR 0
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#define PROT_READ 0
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#define PROT_WRITE 0
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#define MAP_PRIVATE 0
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#define fprintf(...)
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static MLOCK_T malloc_global_mutex;
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static int _init_lock(MLOCK_T* lock) {
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*lock = mutex_create();
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return 0;
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}
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static int _fini_lock(MLOCK_T* lock) { return mutex_delete(*lock); }
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static int _acquire_lock(MLOCK_T* lock) { return mutex_lock(*lock); }
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static int _release_lock(MLOCK_T* lock) { return mutex_unlock(*lock); }
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#define INITIAL_LOCK(lk) _init_lock((lk))
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#define DESTROY_LOCK(lk) _fini_lock((lk))
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#define ACQUIRE_LOCK(lk) _acquire_lock((lk))
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#define RELEASE_LOCK(lk) _release_lock((lk))
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#define TRY_LOCK(lk)
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int _open_dummy(const char* path, uint16_t modes) {
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(void)path, (void)modes;
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return 0;
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}
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void* mmap(void* addr, size_t size, int prot, int flags, int fd, size_t off) {
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(void)prot, (void)fd, (void)off, (void)flags;
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if (size == 0)
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return (void*)-1;
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size = (size + PAGE_SIZE - 1) / PAGE_SIZE;
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void* r = map((uintptr_t)addr, size, MAP_FLAGS | MAP_RW);
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if (r == NULL)
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return (void*)-1;
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memset(r, 0, size * PAGE_SIZE);
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return r;
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}
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int munmap(void* addr, size_t length) {
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if (length == 0)
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return 0;
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length = (length + PAGE_SIZE - 1) / PAGE_SIZE;
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return unmap((uintptr_t)addr, length);
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}
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