| ... | @@ -296,6 +296,73 @@ pub fn main() !void { | ... | @@ -296,6 +296,73 @@ pub fn main() !void { |
| 296 | | 296 | |
| 297 | try writer.writeAll("};\n\n"); | 297 | try writer.writeAll("};\n\n"); |
| 298 | } | 298 | } |
| | 299 | { |
| | 300 | try writer.writeAll( |
| | 301 | \\pub const RiscV32 = enum(usize) { |
| | 302 | \\ pub const arch_specific_syscall = 244; |
| | 303 | \\ |
| | 304 | \\ |
| | 305 | ); |
| | 306 | |
| | 307 | const child_args = [_][]const u8{ |
| | 308 | zig_exe, |
| | 309 | "cc", |
| | 310 | "-target", |
| | 311 | "riscv32-linux-gnuilp32", |
| | 312 | "-E", |
| | 313 | "-dD", |
| | 314 | "-P", |
| | 315 | "-nostdinc", |
| | 316 | "-Iinclude", |
| | 317 | "-Iinclude/uapi", |
| | 318 | "arch/riscv/include/uapi/asm/unistd.h", |
| | 319 | }; |
| | 320 | |
| | 321 | const child_result = try std.process.Child.run(.{ |
| | 322 | .allocator = allocator, |
| | 323 | .argv = &child_args, |
| | 324 | .cwd = linux_path, |
| | 325 | .cwd_dir = linux_dir, |
| | 326 | }); |
| | 327 | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| | 328 | |
| | 329 | const defines = switch (child_result.term) { |
| | 330 | .Exited => |code| if (code == 0) child_result.stdout else { |
| | 331 | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| | 332 | std.process.exit(1); |
| | 333 | }, |
| | 334 | else => { |
| | 335 | std.debug.print("zig cc crashed\n", .{}); |
| | 336 | std.process.exit(1); |
| | 337 | }, |
| | 338 | }; |
| | 339 | |
| | 340 | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| | 341 | loop: while (lines.next()) |line| { |
| | 342 | var fields = mem.tokenizeAny(u8, line, " \t"); |
| | 343 | const cmd = fields.next() orelse return error.Incomplete; |
| | 344 | if (!mem.eql(u8, cmd, "#define")) continue; |
| | 345 | const define = fields.next() orelse return error.Incomplete; |
| | 346 | const number = fields.next() orelse continue; |
| | 347 | |
| | 348 | if (!std.ascii.isDigit(number[0])) continue; |
| | 349 | if (!mem.startsWith(u8, define, "__NR")) continue; |
| | 350 | const name = mem.trimLeft(u8, mem.trimLeft(u8, define, "__NR3264_"), "__NR_"); |
| | 351 | if (mem.eql(u8, name, "arch_specific_syscall")) continue; |
| | 352 | if (mem.eql(u8, name, "syscalls")) break :loop; |
| | 353 | |
| | 354 | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| | 355 | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| | 356 | } |
| | 357 | |
| | 358 | try writer.writeAll( |
| | 359 | \\ |
| | 360 | \\ riscv_flush_icache = arch_specific_syscall + 15, |
| | 361 | \\ riscv_hwprobe = arch_specific_syscall + 14, |
| | 362 | \\}; |
| | 363 | \\ |
| | 364 | ); |
| | 365 | } |
| 299 | { | 366 | { |
| 300 | try writer.writeAll( | 367 | try writer.writeAll( |
| 301 | \\pub const RiscV64 = enum(usize) { | 368 | \\pub const RiscV64 = enum(usize) { |
Alex Rønne Petersen <alex@alexrp.com> 2024-06-22 15:29:33+02:00
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