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ViperOS/vpsdk/dynlib.vp
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TermiNexus ca72ddbbf7 refactor(syscall): 调用号改用 enum 并全面对齐 Linux x86-64 ABI
内核 intr/syscall.vp 与 vpsdk/syscall.vp 各一份 1..34 的 define 表改为同名 enum Syscall。编号口径:与 Linux 同名同号;Linux 有而我们未实现的留空不占号(12 brk / 39 getpid / 84 rmdir / 217 getdents64 / 257 openat … 需要时按号补)。

15 个语义重合的调用直接用 Linux 号:READ 0 / WRITE 1 / OPEN 2 / CLOSE 3 / STAT 4 / SEEK 8 / MMAP 9 / MUNMAP 11 / YIELD 24 / THREAD_CREATE 56(≈clone) / SPAWN 59(≈execve) / THREAD_EXIT 60(exit) / MKDIR 83 / REMOVE 87 / EXIT 231(exit_group)。

其余 19 个(UI 11 个 + SERIAL_PUTS/TELL/SIZE/OPENDIR/READDIR/CLOSEDIR/LOAD_SO/SO_CALL1)暂放 0x1000 起的**临时私有段**,每条带迁移标注:私有能力最终不占 syscall 号、改走 devfs 设备文件;UI 11 个待用户态 explorer(图形壳)接管 framebuffer 与输入后删除。

内核派发链改 n == int(Syscall.X)(n 是 int/i64、成员是 i32,显式 int() 规避未证实的混合宽度比较);SDK 全部调用点统一为 syscall.Syscall.X;stdlib 的 SYSCALL_MMAP 别名并入 Syscall.MMAP;Terminal 里硬编码的 uint64(18) 改为常量。
2026-10-16 18:32:33 +08:00

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from . import syscall as syscall
def load_so(path: const str) -> uint64:
return syscall._syscall1(uint64(syscall.Syscall.LOAD_SO), uint64(path))
def so_call1(sym_name: const str, arg1: rawptr) -> int:
# arg1 只是原样交给系统调用的裸地址,故用 rawptr(未定/通配指针)而非 t.CPtr:
# 后者是具体类型的一级指针,调用方传字符串字面量(二级指针)会被判成级数不符
# (CastError: pointer level differs, source level 2 -> target level 1)。
return int(syscall._syscall2(uint64(syscall.Syscall.SO_CALL1), uint64(sym_name), uint64(arg1)))