59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#include <Kernel/Syscall.h>
|
|
#include <errno.h>
|
|
#include <mman.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
extern "C" {
|
|
|
|
void* mmap(void* addr, size_t size, int prot, int flags, int fd, off_t offset)
|
|
{
|
|
Syscall::SC_mmap_params params { (u32)addr, size, prot, flags, fd, offset, nullptr };
|
|
int rc = syscall(SC_mmap, ¶ms);
|
|
if (rc < 0 && -rc < EMAXERRNO) {
|
|
errno = -rc;
|
|
return (void*)-1;
|
|
}
|
|
return (void*)rc;
|
|
}
|
|
|
|
void* mmap_with_name(void* addr, size_t size, int prot, int flags, int fd, off_t offset, const char* name)
|
|
{
|
|
Syscall::SC_mmap_params params { (u32)addr, size, prot, flags, fd, offset, name };
|
|
int rc = syscall(SC_mmap, ¶ms);
|
|
if (rc < 0 && -rc < EMAXERRNO) {
|
|
errno = -rc;
|
|
return (void*)-1;
|
|
}
|
|
return (void*)rc;
|
|
}
|
|
|
|
int munmap(void* addr, size_t size)
|
|
{
|
|
int rc = syscall(SC_munmap, addr, size);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int mprotect(void* addr, size_t size, int prot)
|
|
{
|
|
int rc = syscall(SC_mprotect, addr, size, prot);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int set_mmap_name(void* addr, size_t size, const char* name)
|
|
{
|
|
if (!name) {
|
|
errno = EFAULT;
|
|
return -1;
|
|
}
|
|
Syscall::SC_set_mmap_name_params params { addr, size, name, strlen(name) };
|
|
int rc = syscall(SC_set_mmap_name, ¶ms);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
|
|
int madvise(void* address, size_t size, int advice)
|
|
{
|
|
int rc = syscall(SC_madvise, address, size, advice);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
}
|