tiny.sys.context

1const capabilities = @import("capabilities.zig");23pub const required_capabilities = capabilities.pure();45pub const stackSwitchSupported = switch (capabilities.current.arch) {6    .x86_64, .aarch64 => true,7    else => false,8};910pub const JmpBuf = switch (capabilities.current.arch) {11    .x86_64 => extern struct {12        reg_ip: ?*anyopaque,13        reg_rbx: i64,14        reg_sp: ?*anyopaque,15        reg_rbp: ?*anyopaque,16        reg_r12: i64,17        reg_r13: i64,18        reg_r14: i64,19        reg_r15: i64,20        reg_mxcrs: u32,21        reg_fpcr: u16,22        context_padding: u16,23    },24    .aarch64 => extern struct {25        reg_x18: i64,26        reg_x19: i64,27        reg_x20: i64,28        reg_x21: i64,29        reg_x22: i64,30        reg_x23: i64,31        reg_x24: i64,32        reg_x25: i64,33        reg_x26: i64,34        reg_x27: i64,35        reg_x28: i64,36        reg_fp: ?*anyopaque,37        reg_ip: ?*anyopaque,38        reg_sp: ?*anyopaque,39        reg_fpcr: i64,40        reg_fpsr: i64,41        reg_d8: i64,42        reg_d9: i64,43        reg_d10: i64,44        reg_d11: i64,45        reg_d12: i64,46        reg_d13: i64,47        reg_d14: i64,48        reg_d15: i64,49    },50    else => extern struct {51        unsupported: usize,52    },53};5455pub const UnwindFrame = extern struct {56    ip: ?*anyopaque,57};5859pub const StartFn = *const fn (?*anyopaque, ?*UnwindFrame) callconv(.c) void;6061pub extern fn mp_setjmp(save: *JmpBuf) callconv(.c) usize;62pub extern fn mp_longjmp(jmp: *JmpBuf) callconv(.c) noreturn;63pub extern fn mp_stack_enter(64    stack_base: [*]u8,65    stack_commit_limit: [*]u8,66    stack_limit: [*]u8,67    return_jmp: **JmpBuf,68    fun: StartFn,69    arg: ?*anyopaque,70) callconv(.c) ?*anyopaque;

1pub const context = @import("context.zig");