| ... | ... | @@ -48,100 +48,132 @@ fn isReservedNameOld(name: []const u8) bool { |
| 48 | 48 | std.mem.startsWith(u8, name, "unused"); |
| 49 | 49 | } |
| 50 | 50 | |
| 51 | | pub fn main() !void { |
| 52 | | var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator); |
| 53 | | defer arena.deinit(); |
| 54 | | const allocator = arena.allocator(); |
| 55 | | |
| 56 | | const args = try std.process.argsAlloc(allocator); |
| 57 | | if (args.len < 3 or mem.eql(u8, args[1], "--help")) |
| 58 | | usageAndExit(std.io.getStdErr(), args[0], 1); |
| 59 | | const zig_exe = args[1]; |
| 60 | | const linux_path = args[2]; |
| 61 | | |
| 62 | | var buf_out = std.io.bufferedWriter(std.io.getStdOut().writer()); |
| 63 | | const writer = buf_out.writer(); |
| 64 | | |
| 65 | | // As of 5.17.1, the largest table is 23467 bytes. |
| 66 | | // 32k should be enough for now. |
| 67 | | const buf = try allocator.alloc(u8, 1 << 15); |
| 68 | | const linux_dir = try std.fs.openDirAbsolute(linux_path, .{}); |
| 69 | | |
| 70 | | try writer.writeAll( |
| 71 | | \\// This file is automatically generated. |
| 72 | | \\// See tools/generate_linux_syscalls.zig for more info. |
| 73 | | \\ |
| 74 | | \\ |
| 75 | | ); |
| 76 | | |
| 77 | | // These architectures have their syscall definitions generated from a TSV |
| 78 | | // file, processed via scripts/syscallhdr.sh. |
| 79 | | { |
| 80 | | try writer.writeAll("pub const X86 = enum(usize) {\n"); |
| 81 | | |
| 82 | | const table = try linux_dir.readFile("arch/x86/entry/syscalls/syscall_32.tbl", buf); |
| 83 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 84 | | while (lines.next()) |line| { |
| 85 | | if (line[0] == '#') continue; |
| 86 | | |
| 87 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 88 | | const number = fields.next() orelse return error.Incomplete; |
| 89 | | // abi is always i386 |
| 90 | | _ = fields.next() orelse return error.Incomplete; |
| 91 | | const name = fields.next() orelse return error.Incomplete; |
| 92 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 93 | | |
| 94 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 95 | | } |
| 96 | | |
| 97 | | try writer.writeAll("};\n\n"); |
| 98 | | } |
| 99 | | { |
| 100 | | try writer.writeAll("pub const X64 = enum(usize) {\n"); |
| 101 | | |
| 102 | | const table = try linux_dir.readFile("arch/x86/entry/syscalls/syscall_64.tbl", buf); |
| 103 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 104 | | while (lines.next()) |line| { |
| 105 | | if (line[0] == '#') continue; |
| 106 | | |
| 107 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 108 | | const number = fields.next() orelse return error.Incomplete; |
| 109 | | const abi = fields.next() orelse return error.Incomplete; |
| 110 | | // The x32 abi syscalls are always at the end. |
| 111 | | if (mem.eql(u8, abi, "x32")) break; |
| 112 | | const name = fields.next() orelse return error.Incomplete; |
| 113 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 114 | | |
| 115 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 116 | | } |
| 117 | | |
| 118 | | try writer.writeAll("};\n\n"); |
| 119 | | } |
| 120 | | { |
| 121 | | try writer.writeAll( |
| 122 | | \\pub const Arm = enum(usize) { |
| 123 | | \\ const arm_base = 0x0f0000; |
| 124 | | \\ |
| 125 | | \\ |
| 126 | | ); |
| 127 | | |
| 128 | | const table = try linux_dir.readFile("arch/arm/tools/syscall.tbl", buf); |
| 129 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 130 | | while (lines.next()) |line| { |
| 131 | | if (line[0] == '#') continue; |
| 132 | | |
| 133 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 134 | | const number = fields.next() orelse return error.Incomplete; |
| 135 | | const abi = fields.next() orelse return error.Incomplete; |
| 136 | | if (mem.eql(u8, abi, "oabi")) continue; |
| 137 | | const name = fields.next() orelse return error.Incomplete; |
| 138 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 51 | const default_args: []const []const u8 = &.{ |
| 52 | "-E", |
| 53 | // -dM is cleaner, but -dD preserves iteration order. |
| 54 | "-dD", |
| 55 | // No need for line-markers. |
| 56 | "-P", |
| 57 | "-nostdinc", |
| 58 | // Using -I=[dir] includes the zig linux headers, which we don't want. |
| 59 | "-Itools/include", |
| 60 | "-Itools/include/uapi", |
| 61 | // Output the syscall in a format we can easily recognize. |
| 62 | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 63 | }; |
| 64 | |
| 65 | const ProcessPreprocessedFileFn = *const fn (bytes: []const u8, writer: anytype) anyerror!void; |
| 66 | const ProcessTableBasedArchFileFn = *const fn ( |
| 67 | bytes: []const u8, |
| 68 | filters: Filters, |
| 69 | writer: anytype, |
| 70 | optional_writer: anytype, |
| 71 | ) anyerror!void; |
| 72 | |
| 73 | const FlowControl = enum { |
| 74 | @"break", |
| 75 | @"continue", |
| 76 | none, |
| 77 | }; |
| 78 | |
| 79 | const AbiCheckParams = struct { abi: []const u8, flow: FlowControl }; |
| 80 | |
| 81 | const Filters = struct { |
| 82 | abiCheckParams: ?AbiCheckParams, |
| 83 | fixedName: ?*const fn (name: []const u8) []const u8, |
| 84 | isReservedNameOld: ?*const fn (name: []const u8) bool, |
| 85 | }; |
| 86 | |
| 87 | fn abiCheck(abi: []const u8, params: *const AbiCheckParams) FlowControl { |
| 88 | if (mem.eql(u8, abi, params.abi)) return params.flow; |
| 89 | return .none; |
| 90 | } |
| 139 | 91 | |
| 140 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 141 | | } |
| 92 | fn fixedName(name: []const u8) []const u8 { |
| 93 | return if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 94 | } |
| 142 | 95 | |
| 143 | | // TODO: maybe extract these from arch/arm/include/uapi/asm/unistd.h |
| 144 | | try writer.writeAll( |
| 96 | const ArchInfo = union(enum) { |
| 97 | table: struct { |
| 98 | name: []const u8, |
| 99 | enum_name: []const u8, |
| 100 | file_path: []const u8, |
| 101 | header: ?[]const u8, |
| 102 | extra_values: ?[]const u8, |
| 103 | process_file: ProcessTableBasedArchFileFn, |
| 104 | filters: Filters, |
| 105 | additional_enum: ?[]const u8, |
| 106 | }, |
| 107 | preprocessor: struct { |
| 108 | name: []const u8, |
| 109 | enum_name: []const u8, |
| 110 | file_path: []const u8, |
| 111 | child_options: struct { |
| 112 | comptime additional_args: ?[]const []const u8 = null, |
| 113 | target: []const u8, |
| 114 | |
| 115 | pub inline fn getArgs(self: *const @This(), zig_exe: []const u8, file_path: []const u8) []const []const u8 { |
| 116 | const additional_args: []const []const u8 = self.additional_args orelse &.{}; |
| 117 | return .{ zig_exe, "cc" } ++ additional_args ++ .{ "-target", self.target } ++ default_args ++ .{file_path}; |
| 118 | } |
| 119 | }, |
| 120 | header: ?[]const u8, |
| 121 | extra_values: ?[]const u8, |
| 122 | process_file: ProcessPreprocessedFileFn, |
| 123 | additional_enum: ?[]const u8, |
| 124 | }, |
| 125 | }; |
| 126 | |
| 127 | const arch_infos = [_]ArchInfo{ |
| 128 | .{ |
| 129 | // These architectures have their syscall definitions generated from a TSV |
| 130 | // file, processed via scripts/syscallhdr.sh. |
| 131 | .table = .{ |
| 132 | .name = "x86", |
| 133 | .enum_name = "X86", |
| 134 | .file_path = "arch/x86/entry/syscalls/syscall_32.tbl", |
| 135 | .process_file = &processTableBasedArch, |
| 136 | .filters = .{ |
| 137 | .abiCheckParams = null, |
| 138 | .fixedName = &fixedName, |
| 139 | .isReservedNameOld = null, |
| 140 | }, |
| 141 | .header = null, |
| 142 | .extra_values = null, |
| 143 | .additional_enum = null, |
| 144 | }, |
| 145 | }, |
| 146 | .{ |
| 147 | .table = .{ |
| 148 | .name = "x64", |
| 149 | .enum_name = "X64", |
| 150 | .file_path = "arch/x86/entry/syscalls/syscall_64.tbl", |
| 151 | .process_file = &processTableBasedArch, |
| 152 | .filters = .{ |
| 153 | // The x32 abi syscalls are always at the end. |
| 154 | .abiCheckParams = .{ .abi = "x32", .flow = .@"break" }, |
| 155 | .fixedName = &fixedName, |
| 156 | .isReservedNameOld = null, |
| 157 | }, |
| 158 | .header = null, |
| 159 | .extra_values = null, |
| 160 | .additional_enum = null, |
| 161 | }, |
| 162 | }, |
| 163 | .{ |
| 164 | .table = .{ |
| 165 | .name = "arm", |
| 166 | .enum_name = "Arm", |
| 167 | .file_path = "arch/arm/tools/syscall.tbl", |
| 168 | .process_file = &processTableBasedArch, |
| 169 | .filters = .{ |
| 170 | .abiCheckParams = .{ .abi = "oabi", .flow = .@"continue" }, |
| 171 | .fixedName = &fixedName, |
| 172 | .isReservedNameOld = null, |
| 173 | }, |
| 174 | .header = " const arm_base = 0x0f0000;\n\n", |
| 175 | // TODO: maybe extract these from arch/arm/include/uapi/asm/unistd.h |
| 176 | .extra_values = |
| 145 | 177 | \\ |
| 146 | 178 | \\ breakpoint = arm_base + 1, |
| 147 | 179 | \\ cacheflush = arm_base + 2, |
| ... | ... | @@ -149,609 +181,514 @@ pub fn main() !void { |
| 149 | 181 | \\ usr32 = arm_base + 4, |
| 150 | 182 | \\ set_tls = arm_base + 5, |
| 151 | 183 | \\ get_tls = arm_base + 6, |
| 152 | | \\}; |
| 153 | | \\ |
| 154 | 184 | \\ |
| 155 | | ); |
| 156 | | } |
| 157 | | { |
| 158 | | try writer.writeAll("pub const Sparc = enum(usize) {\n"); |
| 159 | | const table = try linux_dir.readFile("arch/sparc/kernel/syscalls/syscall.tbl", buf); |
| 160 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 161 | | while (lines.next()) |line| { |
| 162 | | if (line[0] == '#') continue; |
| 163 | | |
| 164 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 165 | | const number = fields.next() orelse return error.Incomplete; |
| 166 | | const abi = fields.next() orelse return error.Incomplete; |
| 167 | | if (mem.eql(u8, abi, "64")) continue; |
| 168 | | const name = fields.next() orelse return error.Incomplete; |
| 169 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 170 | | |
| 171 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 172 | | } |
| 173 | | |
| 174 | | try writer.writeAll("};\n\n"); |
| 175 | | } |
| 176 | | { |
| 177 | | try writer.writeAll("pub const Sparc64 = enum(usize) {\n"); |
| 178 | | const table = try linux_dir.readFile("arch/sparc/kernel/syscalls/syscall.tbl", buf); |
| 179 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 180 | | while (lines.next()) |line| { |
| 181 | | if (line[0] == '#') continue; |
| 182 | | |
| 183 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 184 | | const number = fields.next() orelse return error.Incomplete; |
| 185 | | const abi = fields.next() orelse return error.Incomplete; |
| 186 | | if (mem.eql(u8, abi, "32")) continue; |
| 187 | | const name = fields.next() orelse return error.Incomplete; |
| 188 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 189 | | |
| 190 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 191 | | } |
| 192 | | |
| 193 | | try writer.writeAll("};\n\n"); |
| 185 | , |
| 186 | .additional_enum = null, |
| 187 | }, |
| 188 | }, |
| 189 | .{ |
| 190 | .table = .{ |
| 191 | .name = "sparc", |
| 192 | .enum_name = "Sparc", |
| 193 | .file_path = "arch/sparc/kernel/syscalls/syscall.tbl", |
| 194 | .process_file = &processTableBasedArch, |
| 195 | .filters = .{ |
| 196 | .abiCheckParams = .{ .abi = "64", .flow = .@"continue" }, |
| 197 | .fixedName = &fixedName, |
| 198 | .isReservedNameOld = null, |
| 199 | }, |
| 200 | .header = null, |
| 201 | .extra_values = null, |
| 202 | .additional_enum = null, |
| 203 | }, |
| 204 | }, |
| 205 | .{ |
| 206 | .table = .{ |
| 207 | .name = "sparc64", |
| 208 | .enum_name = "Sparc64", |
| 209 | .file_path = "arch/sparc/kernel/syscalls/syscall.tbl", |
| 210 | .process_file = &processTableBasedArch, |
| 211 | .filters = .{ |
| 212 | .abiCheckParams = .{ .abi = "32", .flow = .@"continue" }, |
| 213 | .fixedName = &fixedName, |
| 214 | .isReservedNameOld = null, |
| 215 | }, |
| 216 | .header = null, |
| 217 | .extra_values = null, |
| 218 | .additional_enum = null, |
| 219 | }, |
| 220 | }, |
| 221 | .{ |
| 222 | .table = .{ |
| 223 | .name = "m68k", |
| 224 | .enum_name = "M68k", |
| 225 | .file_path = "arch/m68k/kernel/syscalls/syscall.tbl", |
| 226 | .process_file = &processTableBasedArch, |
| 227 | .filters = .{ |
| 228 | // abi is always common |
| 229 | .abiCheckParams = null, |
| 230 | .fixedName = &fixedName, |
| 231 | .isReservedNameOld = null, |
| 232 | }, |
| 233 | .header = null, |
| 234 | .extra_values = null, |
| 235 | .additional_enum = null, |
| 236 | }, |
| 237 | }, |
| 238 | .{ |
| 239 | .table = .{ |
| 240 | .name = "mips_o32", |
| 241 | .enum_name = "MipsO32", |
| 242 | .file_path = "arch/mips/kernel/syscalls/syscall_o32.tbl", |
| 243 | .process_file = &processMipsBasedArch, |
| 244 | .filters = .{ |
| 245 | // abi is always o32 |
| 246 | .abiCheckParams = null, |
| 247 | .fixedName = &fixedName, |
| 248 | .isReservedNameOld = &isReservedNameOld, |
| 249 | }, |
| 250 | .header = " const linux_base = 4000;\n\n", |
| 251 | .extra_values = null, |
| 252 | .additional_enum = null, |
| 253 | }, |
| 254 | }, |
| 255 | .{ |
| 256 | .table = .{ |
| 257 | .name = "mips_n64", |
| 258 | .enum_name = "MipsN64", |
| 259 | .file_path = "arch/mips/kernel/syscalls/syscall_n64.tbl", |
| 260 | .process_file = &processMipsBasedArch, |
| 261 | .filters = .{ |
| 262 | // abi is always n64 |
| 263 | .abiCheckParams = null, |
| 264 | .fixedName = &fixedName, |
| 265 | .isReservedNameOld = &isReservedNameOld, |
| 266 | }, |
| 267 | .header = " const linux_base = 5000;\n\n", |
| 268 | .extra_values = null, |
| 269 | .additional_enum = null, |
| 270 | }, |
| 271 | }, |
| 272 | .{ |
| 273 | .table = .{ |
| 274 | .name = "mips_n32", |
| 275 | .enum_name = "MipsN32", |
| 276 | .file_path = "arch/mips/kernel/syscalls/syscall_n32.tbl", |
| 277 | .process_file = &processMipsBasedArch, |
| 278 | .filters = .{ |
| 279 | // abi is always n32 |
| 280 | .abiCheckParams = null, |
| 281 | .fixedName = &fixedName, |
| 282 | .isReservedNameOld = &isReservedNameOld, |
| 283 | }, |
| 284 | .header = " const linux_base = 6000;\n\n", |
| 285 | .extra_values = null, |
| 286 | .additional_enum = null, |
| 287 | }, |
| 288 | }, |
| 289 | .{ |
| 290 | .table = .{ |
| 291 | .name = "powerpc", |
| 292 | .enum_name = "PowerPC", |
| 293 | .file_path = "arch/powerpc/kernel/syscalls/syscall.tbl", |
| 294 | .process_file = &processPowerPcBasedArch, |
| 295 | .filters = .{ |
| 296 | .abiCheckParams = null, |
| 297 | .fixedName = null, |
| 298 | .isReservedNameOld = null, |
| 299 | }, |
| 300 | .header = null, |
| 301 | .extra_values = null, |
| 302 | .additional_enum = "PowerPC64", |
| 303 | }, |
| 304 | }, |
| 305 | .{ |
| 306 | .table = .{ |
| 307 | .name = "s390x", |
| 308 | .enum_name = "S390x", |
| 309 | .file_path = "arch/s390/kernel/syscalls/syscall.tbl", |
| 310 | .process_file = &processTableBasedArch, |
| 311 | .filters = .{ |
| 312 | // 32-bit s390 support in linux is deprecated |
| 313 | .abiCheckParams = .{ .abi = "32", .flow = .@"continue" }, |
| 314 | .fixedName = &fixedName, |
| 315 | .isReservedNameOld = null, |
| 316 | }, |
| 317 | .header = null, |
| 318 | .extra_values = null, |
| 319 | .additional_enum = null, |
| 320 | }, |
| 321 | }, |
| 322 | .{ |
| 323 | .table = .{ |
| 324 | .name = "xtensa", |
| 325 | .enum_name = "Xtensa", |
| 326 | .file_path = "arch/xtensa/kernel/syscalls/syscall.tbl", |
| 327 | .process_file = &processTableBasedArch, |
| 328 | .filters = .{ |
| 329 | // abi is always common |
| 330 | .abiCheckParams = null, |
| 331 | .fixedName = fixedName, |
| 332 | .isReservedNameOld = &isReservedNameOld, |
| 333 | }, |
| 334 | .header = null, |
| 335 | .extra_values = null, |
| 336 | .additional_enum = null, |
| 337 | }, |
| 338 | }, |
| 339 | .{ |
| 340 | .preprocessor = .{ |
| 341 | .name = "arm64", |
| 342 | .enum_name = "Arm64", |
| 343 | .file_path = "arch/arm64/include/uapi/asm/unistd.h", |
| 344 | .child_options = .{ |
| 345 | .additional_args = null, |
| 346 | .target = "aarch64-freestanding-none", |
| 347 | }, |
| 348 | .process_file = &processPreprocessedFile, |
| 349 | .header = null, |
| 350 | .extra_values = null, |
| 351 | .additional_enum = null, |
| 352 | }, |
| 353 | }, |
| 354 | .{ |
| 355 | .preprocessor = .{ |
| 356 | .name = "riscv32", |
| 357 | .enum_name = "RiscV32", |
| 358 | .file_path = "arch/riscv/include/uapi/asm/unistd.h", |
| 359 | .child_options = .{ |
| 360 | .additional_args = null, |
| 361 | .target = "riscv32-freestanding-none", |
| 362 | }, |
| 363 | .process_file = &processPreprocessedFile, |
| 364 | .header = null, |
| 365 | .extra_values = null, |
| 366 | .additional_enum = null, |
| 367 | }, |
| 368 | }, |
| 369 | .{ |
| 370 | .preprocessor = .{ |
| 371 | .name = "riscv64", |
| 372 | .enum_name = "RiscV64", |
| 373 | .file_path = "arch/riscv/include/uapi/asm/unistd.h", |
| 374 | .child_options = .{ |
| 375 | .additional_args = null, |
| 376 | .target = "riscv64-freestanding-none", |
| 377 | }, |
| 378 | .process_file = &processPreprocessedFile, |
| 379 | .header = null, |
| 380 | .extra_values = null, |
| 381 | .additional_enum = null, |
| 382 | }, |
| 383 | }, |
| 384 | .{ |
| 385 | .preprocessor = .{ |
| 386 | .name = "loongarch", |
| 387 | .enum_name = "LoongArch64", |
| 388 | .file_path = "arch/loongarch/include/uapi/asm/unistd.h", |
| 389 | .child_options = .{ |
| 390 | .additional_args = null, |
| 391 | .target = "loongarch64-freestanding-none", |
| 392 | }, |
| 393 | .process_file = &processPreprocessedFile, |
| 394 | .header = null, |
| 395 | .extra_values = null, |
| 396 | .additional_enum = null, |
| 397 | }, |
| 398 | }, |
| 399 | .{ |
| 400 | .preprocessor = .{ |
| 401 | .name = "arc", |
| 402 | .enum_name = "Arc", |
| 403 | .file_path = "arch/arc/include/uapi/asm/unistd.h", |
| 404 | .child_options = .{ |
| 405 | .additional_args = null, |
| 406 | .target = "arc-freestanding-none", |
| 407 | }, |
| 408 | .process_file = &processPreprocessedFile, |
| 409 | .header = null, |
| 410 | .extra_values = null, |
| 411 | .additional_enum = null, |
| 412 | }, |
| 413 | }, |
| 414 | .{ |
| 415 | .preprocessor = .{ |
| 416 | .name = "csky", |
| 417 | .enum_name = "CSky", |
| 418 | .file_path = "arch/csky/include/uapi/asm/unistd.h", |
| 419 | .child_options = .{ |
| 420 | .additional_args = null, |
| 421 | .target = "csky-freestanding-none", |
| 422 | }, |
| 423 | .process_file = &processPreprocessedFile, |
| 424 | .header = null, |
| 425 | .extra_values = null, |
| 426 | .additional_enum = null, |
| 427 | }, |
| 428 | }, |
| 429 | .{ |
| 430 | .preprocessor = .{ |
| 431 | .name = "hexagon", |
| 432 | .enum_name = "Hexagon", |
| 433 | .file_path = "arch/hexagon/include/uapi/asm/unistd.h", |
| 434 | .child_options = .{ |
| 435 | .additional_args = null, |
| 436 | .target = "hexagon-freestanding-none", |
| 437 | }, |
| 438 | .process_file = &processPreprocessedFile, |
| 439 | .header = null, |
| 440 | .extra_values = null, |
| 441 | .additional_enum = null, |
| 442 | }, |
| 443 | }, |
| 444 | }; |
| 445 | |
| 446 | fn processPreprocessedFile( |
| 447 | bytes: []const u8, |
| 448 | writer: anytype, |
| 449 | ) !void { |
| 450 | var lines = mem.tokenizeScalar(u8, bytes, '\n'); |
| 451 | while (lines.next()) |line| { |
| 452 | var fields = mem.tokenizeAny(u8, line, " "); |
| 453 | const prefix = fields.next() orelse return error.Incomplete; |
| 454 | |
| 455 | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 456 | |
| 457 | const sys_name = fields.next() orelse return error.Incomplete; |
| 458 | const value = fields.rest(); |
| 459 | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 460 | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 461 | |
| 462 | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 194 | 463 | } |
| 195 | | { |
| 196 | | try writer.writeAll("pub const M68k = enum(usize) {\n"); |
| 197 | | |
| 198 | | const table = try linux_dir.readFile("arch/m68k/kernel/syscalls/syscall.tbl", buf); |
| 199 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 200 | | while (lines.next()) |line| { |
| 201 | | if (line[0] == '#') continue; |
| 202 | | |
| 203 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 204 | | const number = fields.next() orelse return error.Incomplete; |
| 205 | | // abi is always common |
| 206 | | _ = fields.next() orelse return error.Incomplete; |
| 207 | | const name = fields.next() orelse return error.Incomplete; |
| 208 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 464 | } |
| 209 | 465 | |
| 210 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 466 | fn processTableBasedArch( |
| 467 | bytes: []const u8, |
| 468 | filters: Filters, |
| 469 | writer: anytype, |
| 470 | optional_writer: anytype, |
| 471 | ) !void { |
| 472 | _ = optional_writer; |
| 473 | |
| 474 | var lines = mem.tokenizeScalar(u8, bytes, '\n'); |
| 475 | while (lines.next()) |line| { |
| 476 | if (line[0] == '#') continue; |
| 477 | |
| 478 | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 479 | const number = fields.next() orelse return error.Incomplete; |
| 480 | |
| 481 | const abi = fields.next() orelse return error.Incomplete; |
| 482 | if (filters.abiCheckParams) |*params| { |
| 483 | switch (abiCheck(abi, params)) { |
| 484 | .none => {}, |
| 485 | .@"break" => break, |
| 486 | .@"continue" => continue, |
| 487 | } |
| 211 | 488 | } |
| 212 | | |
| 213 | | try writer.writeAll("};\n\n"); |
| 214 | | } |
| 215 | | { |
| 216 | | try writer.writeAll( |
| 217 | | \\pub const MipsO32 = enum(usize) { |
| 218 | | \\ const linux_base = 4000; |
| 219 | | \\ |
| 220 | | \\ |
| 221 | | ); |
| 222 | | |
| 223 | | const table = try linux_dir.readFile("arch/mips/kernel/syscalls/syscall_o32.tbl", buf); |
| 224 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 225 | | while (lines.next()) |line| { |
| 226 | | if (line[0] == '#') continue; |
| 227 | | |
| 228 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 229 | | const number = fields.next() orelse return error.Incomplete; |
| 230 | | // abi is always o32 |
| 231 | | _ = fields.next() orelse return error.Incomplete; |
| 232 | | const name = fields.next() orelse return error.Incomplete; |
| 233 | | if (isReservedNameOld(name)) continue; |
| 234 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 235 | | |
| 236 | | try writer.print(" {p} = linux_base + {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 489 | const name = fields.next() orelse return error.Incomplete; |
| 490 | if (filters.isReservedNameOld) |isReservedNameOldFn| { |
| 491 | if (isReservedNameOldFn(name)) continue; |
| 237 | 492 | } |
| 493 | const fixed_name = if (filters.fixedName) |fixedNameFn| fixedNameFn(name) else name; |
| 238 | 494 | |
| 239 | | try writer.writeAll("};\n\n"); |
| 495 | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 240 | 496 | } |
| 241 | | { |
| 242 | | try writer.writeAll( |
| 243 | | \\pub const MipsN64 = enum(usize) { |
| 244 | | \\ const linux_base = 5000; |
| 245 | | \\ |
| 246 | | \\ |
| 247 | | ); |
| 248 | | |
| 249 | | const table = try linux_dir.readFile("arch/mips/kernel/syscalls/syscall_n64.tbl", buf); |
| 250 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 251 | | while (lines.next()) |line| { |
| 252 | | if (line[0] == '#') continue; |
| 253 | | |
| 254 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 255 | | const number = fields.next() orelse return error.Incomplete; |
| 256 | | // abi is always n64 |
| 257 | | _ = fields.next() orelse return error.Incomplete; |
| 258 | | const name = fields.next() orelse return error.Incomplete; |
| 259 | | if (isReservedNameOld(name)) continue; |
| 260 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 261 | | |
| 262 | | try writer.print(" {p} = linux_base + {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 263 | | } |
| 264 | | |
| 265 | | try writer.writeAll("};\n\n"); |
| 266 | | } |
| 267 | | { |
| 268 | | try writer.writeAll( |
| 269 | | \\pub const MipsN32 = enum(usize) { |
| 270 | | \\ const linux_base = 6000; |
| 271 | | \\ |
| 272 | | \\ |
| 273 | | ); |
| 274 | | |
| 275 | | const table = try linux_dir.readFile("arch/mips/kernel/syscalls/syscall_n32.tbl", buf); |
| 276 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 277 | | while (lines.next()) |line| { |
| 278 | | if (line[0] == '#') continue; |
| 279 | | |
| 280 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 281 | | const number = fields.next() orelse return error.Incomplete; |
| 282 | | // abi is always n32 |
| 283 | | _ = fields.next() orelse return error.Incomplete; |
| 284 | | const name = fields.next() orelse return error.Incomplete; |
| 285 | | if (isReservedNameOld(name)) continue; |
| 286 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 287 | | |
| 288 | | try writer.print(" {p} = linux_base + {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 289 | | } |
| 497 | } |
| 290 | 498 | |
| 291 | | try writer.writeAll("};\n\n"); |
| 292 | | } |
| 293 | | { |
| 294 | | try writer.writeAll("pub const PowerPC = enum(usize) {\n"); |
| 295 | | |
| 296 | | const table = try linux_dir.readFile("arch/powerpc/kernel/syscalls/syscall.tbl", buf); |
| 297 | | var list_64 = std.ArrayList(u8).init(allocator); |
| 298 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 299 | | while (lines.next()) |line| { |
| 300 | | if (line[0] == '#') continue; |
| 301 | | |
| 302 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 303 | | const number = fields.next() orelse return error.Incomplete; |
| 304 | | const abi = fields.next() orelse return error.Incomplete; |
| 305 | | const name = fields.next() orelse return error.Incomplete; |
| 306 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 307 | | |
| 308 | | if (mem.eql(u8, abi, "spu")) { |
| 309 | | continue; |
| 310 | | } else if (mem.eql(u8, abi, "32")) { |
| 311 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 312 | | } else if (mem.eql(u8, abi, "64")) { |
| 313 | | try list_64.writer().print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 314 | | } else { // common/nospu |
| 315 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 316 | | try list_64.writer().print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 499 | fn processMipsBasedArch( |
| 500 | bytes: []const u8, |
| 501 | filters: Filters, |
| 502 | writer: anytype, |
| 503 | optional_writer: anytype, |
| 504 | ) !void { |
| 505 | _ = optional_writer; |
| 506 | |
| 507 | var lines = mem.tokenizeScalar(u8, bytes, '\n'); |
| 508 | while (lines.next()) |line| { |
| 509 | if (line[0] == '#') continue; |
| 510 | |
| 511 | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 512 | const number = fields.next() orelse return error.Incomplete; |
| 513 | |
| 514 | const abi = fields.next() orelse return error.Incomplete; |
| 515 | if (filters.abiCheckParams) |*params| { |
| 516 | switch (abiCheck(abi, params)) { |
| 517 | .none => {}, |
| 518 | .@"break" => break, |
| 519 | .@"continue" => continue, |
| 317 | 520 | } |
| 318 | 521 | } |
| 319 | | |
| 320 | | try writer.writeAll( |
| 321 | | \\}; |
| 322 | | \\ |
| 323 | | \\pub const PowerPC64 = enum(usize) { |
| 324 | | \\ |
| 325 | | ); |
| 326 | | try writer.writeAll(list_64.items); |
| 327 | | try writer.writeAll("};\n\n"); |
| 328 | | } |
| 329 | | { |
| 330 | | try writer.writeAll("pub const S390x = enum(usize) {\n"); |
| 331 | | |
| 332 | | const table = try linux_dir.readFile("arch/s390/kernel/syscalls/syscall.tbl", buf); |
| 333 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 334 | | while (lines.next()) |line| { |
| 335 | | if (line[0] == '#') continue; |
| 336 | | |
| 337 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 338 | | const number = fields.next() orelse return error.Incomplete; |
| 339 | | const abi = fields.next() orelse return error.Incomplete; |
| 340 | | if (mem.eql(u8, abi, "32")) continue; // 32-bit s390 support in linux is deprecated |
| 341 | | const name = fields.next() orelse return error.Incomplete; |
| 342 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 343 | | |
| 344 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 522 | const name = fields.next() orelse return error.Incomplete; |
| 523 | if (filters.isReservedNameOld) |isReservedNameOldFn| { |
| 524 | if (isReservedNameOldFn(name)) continue; |
| 345 | 525 | } |
| 526 | const fixed_name = if (filters.fixedName) |fixedNameFn| fixedNameFn(name) else name; |
| 346 | 527 | |
| 347 | | try writer.writeAll("};\n\n"); |
| 528 | try writer.print(" {p} = linux_base + {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 348 | 529 | } |
| 349 | | { |
| 350 | | try writer.writeAll("pub const Xtensa = enum(usize) {\n"); |
| 351 | | |
| 352 | | const table = try linux_dir.readFile("arch/xtensa/kernel/syscalls/syscall.tbl", buf); |
| 353 | | var lines = mem.tokenizeScalar(u8, table, '\n'); |
| 354 | | while (lines.next()) |line| { |
| 355 | | if (line[0] == '#') continue; |
| 356 | | |
| 357 | | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 358 | | const number = fields.next() orelse return error.Incomplete; |
| 359 | | // abi is always common |
| 360 | | _ = fields.next() orelse return error.Incomplete; |
| 361 | | const name = fields.next() orelse return error.Incomplete; |
| 362 | | if (isReservedNameOld(name)) continue; |
| 363 | | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 530 | } |
| 364 | 531 | |
| 532 | fn processPowerPcBasedArch( |
| 533 | bytes: []const u8, |
| 534 | filters: Filters, |
| 535 | writer: anytype, |
| 536 | optional_writer: anytype, |
| 537 | ) !void { |
| 538 | _ = filters; |
| 539 | var lines = mem.tokenizeScalar(u8, bytes, '\n'); |
| 540 | |
| 541 | while (lines.next()) |line| { |
| 542 | if (line[0] == '#') continue; |
| 543 | |
| 544 | var fields = mem.tokenizeAny(u8, line, " \t"); |
| 545 | const number = fields.next() orelse return error.Incomplete; |
| 546 | const abi = fields.next() orelse return error.Incomplete; |
| 547 | const name = fields.next() orelse return error.Incomplete; |
| 548 | const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name; |
| 549 | |
| 550 | if (mem.eql(u8, abi, "spu")) { |
| 551 | continue; |
| 552 | } else if (mem.eql(u8, abi, "32")) { |
| 553 | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 554 | } else if (mem.eql(u8, abi, "64")) { |
| 555 | try optional_writer.?.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 556 | } else { // common/nospu |
| 365 | 557 | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 558 | try optional_writer.?.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), number }); |
| 366 | 559 | } |
| 367 | | |
| 368 | | try writer.writeAll("};\n\n"); |
| 369 | 560 | } |
| 561 | } |
| 370 | 562 | |
| 371 | | // Newer architectures (starting with aarch64 c. 2012) now use the same C |
| 372 | | // header file for their syscall numbers. Arch-specific headers are used to |
| 373 | | // define pre-proc. vars that add additional (usually obsolete) syscalls. |
| 374 | | { |
| 375 | | try writer.writeAll("pub const Arm64 = enum(usize) {\n"); |
| 376 | | |
| 377 | | const child_args = [_][]const u8{ |
| 378 | | zig_exe, |
| 379 | | "cc", |
| 380 | | "-target", |
| 381 | | "aarch64-linux-gnu", |
| 382 | | "-E", |
| 383 | | // -dM is cleaner, but -dD preserves iteration order. |
| 384 | | "-dD", |
| 385 | | // No need for line-markers. |
| 386 | | "-P", |
| 387 | | "-nostdinc", |
| 388 | | // Using -I=[dir] includes the zig linux headers, which we don't want. |
| 389 | | "-Itools/include", |
| 390 | | "-Itools/include/uapi", |
| 391 | | // Output the syscall in a format we can easily recognize. |
| 392 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 393 | | "arch/arm64/include/uapi/asm/unistd.h", |
| 394 | | }; |
| 395 | | |
| 396 | | const child_result = try std.process.Child.run(.{ |
| 397 | | .allocator = allocator, |
| 398 | | .argv = &child_args, |
| 399 | | .cwd = linux_path, |
| 400 | | .cwd_dir = linux_dir, |
| 401 | | }); |
| 402 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 403 | | |
| 404 | | const defines = switch (child_result.term) { |
| 405 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 406 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 407 | | std.process.exit(1); |
| 408 | | }, |
| 409 | | else => { |
| 410 | | std.debug.print("zig cc crashed\n", .{}); |
| 411 | | std.process.exit(1); |
| 412 | | }, |
| 413 | | }; |
| 563 | fn generateSyscallsFromTable( |
| 564 | allocator: std.mem.Allocator, |
| 565 | buf: []u8, |
| 566 | linux_dir: std.fs.Dir, |
| 567 | writer: anytype, |
| 568 | _arch_info: *const ArchInfo, |
| 569 | ) !void { |
| 570 | std.debug.assert(_arch_info.* == .table); |
| 414 | 571 | |
| 415 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 416 | | while (lines.next()) |line| { |
| 417 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 418 | | const prefix = fields.next() orelse return error.Incomplete; |
| 572 | const arch_info = _arch_info.table; |
| 419 | 573 | |
| 420 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 574 | const table = try linux_dir.readFile(arch_info.file_path, buf); |
| 421 | 575 | |
| 422 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 423 | | const value = fields.rest(); |
| 424 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 425 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 576 | var optional_array_list: ?std.ArrayList(u8) = if (arch_info.additional_enum) |_| std.ArrayList(u8).init(allocator) else null; |
| 577 | const optional_writer = if (optional_array_list) |_| optional_array_list.?.writer() else null; |
| 426 | 578 | |
| 427 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 428 | | } |
| 579 | try writer.print("pub const {s} = enum(usize) {{\n", .{arch_info.enum_name}); |
| 429 | 580 | |
| 430 | | try writer.writeAll("};\n\n"); |
| 581 | if (arch_info.header) |header| { |
| 582 | try writer.writeAll(header); |
| 431 | 583 | } |
| 432 | | { |
| 433 | | try writer.writeAll("pub const RiscV32 = enum(usize) {\n"); |
| 434 | | |
| 435 | | const child_args = [_][]const u8{ |
| 436 | | zig_exe, |
| 437 | | "cc", |
| 438 | | "-target", |
| 439 | | "riscv32-linux-gnuilp32", |
| 440 | | "-E", |
| 441 | | "-dD", |
| 442 | | "-P", |
| 443 | | "-nostdinc", |
| 444 | | "-Itools/include", |
| 445 | | "-Itools/include/uapi", |
| 446 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 447 | | "arch/riscv/include/uapi/asm/unistd.h", |
| 448 | | }; |
| 449 | | |
| 450 | | const child_result = try std.process.Child.run(.{ |
| 451 | | .allocator = allocator, |
| 452 | | .argv = &child_args, |
| 453 | | .cwd = linux_path, |
| 454 | | .cwd_dir = linux_dir, |
| 455 | | }); |
| 456 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 457 | | |
| 458 | | const defines = switch (child_result.term) { |
| 459 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 460 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 461 | | std.process.exit(1); |
| 462 | | }, |
| 463 | | else => { |
| 464 | | std.debug.print("zig cc crashed\n", .{}); |
| 465 | | std.process.exit(1); |
| 466 | | }, |
| 467 | | }; |
| 468 | 584 | |
| 469 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 470 | | while (lines.next()) |line| { |
| 471 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 472 | | const prefix = fields.next() orelse return error.Incomplete; |
| 585 | try arch_info.process_file(table, arch_info.filters, writer, optional_writer); |
| 473 | 586 | |
| 474 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 475 | | |
| 476 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 477 | | const value = fields.rest(); |
| 478 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 479 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 480 | | |
| 481 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 482 | | } |
| 483 | | |
| 484 | | try writer.writeAll("};\n\n"); |
| 587 | if (arch_info.extra_values) |extra_values| { |
| 588 | try writer.writeAll(extra_values); |
| 485 | 589 | } |
| 486 | | { |
| 487 | | try writer.writeAll("pub const RiscV64 = enum(usize) {\n"); |
| 488 | | |
| 489 | | const child_args = [_][]const u8{ |
| 490 | | zig_exe, |
| 491 | | "cc", |
| 492 | | "-target", |
| 493 | | "riscv64-linux-gnu", |
| 494 | | "-E", |
| 495 | | "-dD", |
| 496 | | "-P", |
| 497 | | "-nostdinc", |
| 498 | | "-Itools/include", |
| 499 | | "-Itools/include/uapi", |
| 500 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 501 | | "arch/riscv/include/uapi/asm/unistd.h", |
| 502 | | }; |
| 503 | | |
| 504 | | const child_result = try std.process.Child.run(.{ |
| 505 | | .allocator = allocator, |
| 506 | | .argv = &child_args, |
| 507 | | .cwd = linux_path, |
| 508 | | .cwd_dir = linux_dir, |
| 509 | | }); |
| 510 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 511 | | |
| 512 | | const defines = switch (child_result.term) { |
| 513 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 514 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 515 | | std.process.exit(1); |
| 516 | | }, |
| 517 | | else => { |
| 518 | | std.debug.print("zig cc crashed\n", .{}); |
| 519 | | std.process.exit(1); |
| 520 | | }, |
| 521 | | }; |
| 522 | | |
| 523 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 524 | | while (lines.next()) |line| { |
| 525 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 526 | | const prefix = fields.next() orelse return error.Incomplete; |
| 527 | | |
| 528 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 529 | 590 | |
| 530 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 531 | | const value = fields.rest(); |
| 532 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 533 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 534 | | |
| 535 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 536 | | } |
| 591 | try writer.writeAll("};\n\n"); |
| 537 | 592 | |
| 593 | if (arch_info.additional_enum) |additional_enum| { |
| 594 | try writer.print("pub const {s} = enum(usize) {{\n", .{additional_enum}); |
| 595 | try writer.writeAll(optional_array_list.?.items); |
| 538 | 596 | try writer.writeAll("};\n\n"); |
| 539 | 597 | } |
| 540 | | { |
| 541 | | try writer.writeAll("pub const LoongArch64 = enum(usize) {\n"); |
| 542 | | |
| 543 | | const child_args = [_][]const u8{ |
| 544 | | zig_exe, |
| 545 | | "cc", |
| 546 | | "-target", |
| 547 | | "loongarch64-linux-gnu", |
| 548 | | "-E", |
| 549 | | "-dD", |
| 550 | | "-P", |
| 551 | | "-nostdinc", |
| 552 | | "-Itools/include", |
| 553 | | "-Itools/include/uapi", |
| 554 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 555 | | "arch/loongarch/include/uapi/asm/unistd.h", |
| 556 | | }; |
| 557 | | |
| 558 | | const child_result = try std.process.Child.run(.{ |
| 559 | | .allocator = allocator, |
| 560 | | .argv = &child_args, |
| 561 | | .cwd = linux_path, |
| 562 | | .cwd_dir = linux_dir, |
| 563 | | }); |
| 564 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 565 | | |
| 566 | | const defines = switch (child_result.term) { |
| 567 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 568 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 569 | | std.process.exit(1); |
| 570 | | }, |
| 571 | | else => { |
| 572 | | std.debug.print("zig cc crashed\n", .{}); |
| 573 | | std.process.exit(1); |
| 574 | | }, |
| 575 | | }; |
| 576 | | |
| 577 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 578 | | while (lines.next()) |line| { |
| 579 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 580 | | const prefix = fields.next() orelse return error.Incomplete; |
| 581 | | |
| 582 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 583 | | |
| 584 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 585 | | const value = fields.rest(); |
| 586 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 587 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 588 | | |
| 589 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 590 | | } |
| 598 | } |
| 591 | 599 | |
| 592 | | try writer.writeAll("};\n\n"); |
| 600 | fn generateSyscallsFromPreprocessor( |
| 601 | allocator: std.mem.Allocator, |
| 602 | linux_dir: std.fs.Dir, |
| 603 | linux_path: []const u8, |
| 604 | zig_exe: []const u8, |
| 605 | writer: anytype, |
| 606 | _arch_info: *const ArchInfo, |
| 607 | ) !void { |
| 608 | std.debug.assert(_arch_info.* == .preprocessor); |
| 609 | |
| 610 | const arch_info = _arch_info.preprocessor; |
| 611 | |
| 612 | const child_result = try std.process.Child.run(.{ |
| 613 | .allocator = allocator, |
| 614 | .argv = arch_info.child_options.getArgs(zig_exe, arch_info.file_path), |
| 615 | .cwd = linux_path, |
| 616 | .cwd_dir = linux_dir, |
| 617 | }); |
| 618 | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 619 | |
| 620 | const defines = switch (child_result.term) { |
| 621 | .Exited => |code| if (code == 0) child_result.stdout else { |
| 622 | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 623 | std.process.exit(1); |
| 624 | }, |
| 625 | else => { |
| 626 | std.debug.print("zig cc crashed\n", .{}); |
| 627 | std.process.exit(1); |
| 628 | }, |
| 629 | }; |
| 630 | |
| 631 | try writer.print("pub const {s} = enum(usize) {{\n", .{arch_info.enum_name}); |
| 632 | if (arch_info.header) |header| { |
| 633 | try writer.writeAll(header); |
| 593 | 634 | } |
| 594 | | { |
| 595 | | try writer.writeAll("pub const Arc = enum(usize) {\n"); |
| 596 | | |
| 597 | | const child_args = [_][]const u8{ |
| 598 | | zig_exe, |
| 599 | | "cc", |
| 600 | | "-target", |
| 601 | | "arc-freestanding-none", |
| 602 | | "-E", |
| 603 | | "-dD", |
| 604 | | "-P", |
| 605 | | "-nostdinc", |
| 606 | | "-Itools/include", |
| 607 | | "-Itools/include/uapi", |
| 608 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 609 | | "arch/arc/include/uapi/asm/unistd.h", |
| 610 | | }; |
| 611 | | |
| 612 | | const child_result = try std.process.Child.run(.{ |
| 613 | | .allocator = allocator, |
| 614 | | .argv = &child_args, |
| 615 | | .cwd = linux_path, |
| 616 | | .cwd_dir = linux_dir, |
| 617 | | }); |
| 618 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 619 | | |
| 620 | | const defines = switch (child_result.term) { |
| 621 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 622 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 623 | | std.process.exit(1); |
| 624 | | }, |
| 625 | | else => { |
| 626 | | std.debug.print("zig cc crashed\n", .{}); |
| 627 | | std.process.exit(1); |
| 628 | | }, |
| 629 | | }; |
| 630 | | |
| 631 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 632 | | while (lines.next()) |line| { |
| 633 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 634 | | const prefix = fields.next() orelse return error.Incomplete; |
| 635 | 635 | |
| 636 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 637 | | |
| 638 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 639 | | const value = fields.rest(); |
| 640 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 641 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 642 | | |
| 643 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 644 | | } |
| 636 | try arch_info.process_file(defines, writer); |
| 645 | 637 | |
| 646 | | try writer.writeAll("};\n\n"); |
| 638 | if (arch_info.extra_values) |extra_values| { |
| 639 | try writer.writeAll(extra_values); |
| 647 | 640 | } |
| 648 | | { |
| 649 | | try writer.writeAll("pub const CSky = enum(usize) {\n"); |
| 650 | | |
| 651 | | const child_args = [_][]const u8{ |
| 652 | | zig_exe, |
| 653 | | "cc", |
| 654 | | "-target", |
| 655 | | "csky-freestanding-none", |
| 656 | | "-E", |
| 657 | | "-dD", |
| 658 | | "-P", |
| 659 | | "-nostdinc", |
| 660 | | "-Itools/include", |
| 661 | | "-Itools/include/uapi", |
| 662 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 663 | | "arch/csky/include/uapi/asm/unistd.h", |
| 664 | | }; |
| 665 | | |
| 666 | | const child_result = try std.process.Child.run(.{ |
| 667 | | .allocator = allocator, |
| 668 | | .argv = &child_args, |
| 669 | | .cwd = linux_path, |
| 670 | | .cwd_dir = linux_dir, |
| 671 | | }); |
| 672 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 673 | | |
| 674 | | const defines = switch (child_result.term) { |
| 675 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 676 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 677 | | std.process.exit(1); |
| 678 | | }, |
| 679 | | else => { |
| 680 | | std.debug.print("zig cc crashed\n", .{}); |
| 681 | | std.process.exit(1); |
| 682 | | }, |
| 683 | | }; |
| 684 | 641 | |
| 685 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 686 | | while (lines.next()) |line| { |
| 687 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 688 | | const prefix = fields.next() orelse return error.Incomplete; |
| 689 | | |
| 690 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 691 | | |
| 692 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 693 | | const value = fields.rest(); |
| 694 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 695 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 642 | try writer.writeAll("};\n\n"); |
| 643 | } |
| 696 | 644 | |
| 697 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 698 | | } |
| 645 | pub fn main() !void { |
| 646 | var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator); |
| 647 | defer arena.deinit(); |
| 648 | const allocator = arena.allocator(); |
| 699 | 649 | |
| 700 | | try writer.writeAll("};\n\n"); |
| 701 | | } |
| 702 | | { |
| 703 | | try writer.writeAll("pub const Hexagon = enum(usize) {\n"); |
| 704 | | |
| 705 | | const child_args = [_][]const u8{ |
| 706 | | zig_exe, |
| 707 | | "cc", |
| 708 | | "-target", |
| 709 | | "hexagon-freestanding-none", |
| 710 | | "-E", |
| 711 | | "-dD", |
| 712 | | "-P", |
| 713 | | "-nostdinc", |
| 714 | | "-Itools/include", |
| 715 | | "-Itools/include/uapi", |
| 716 | | "-D __SYSCALL(nr, nm)=zigsyscall nm nr", |
| 717 | | "arch/hexagon/include/uapi/asm/unistd.h", |
| 718 | | }; |
| 719 | | |
| 720 | | const child_result = try std.process.Child.run(.{ |
| 721 | | .allocator = allocator, |
| 722 | | .argv = &child_args, |
| 723 | | .cwd = linux_path, |
| 724 | | .cwd_dir = linux_dir, |
| 725 | | }); |
| 726 | | if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr}); |
| 727 | | |
| 728 | | const defines = switch (child_result.term) { |
| 729 | | .Exited => |code| if (code == 0) child_result.stdout else { |
| 730 | | std.debug.print("zig cc exited with code {d}\n", .{code}); |
| 731 | | std.process.exit(1); |
| 732 | | }, |
| 733 | | else => { |
| 734 | | std.debug.print("zig cc crashed\n", .{}); |
| 735 | | std.process.exit(1); |
| 736 | | }, |
| 737 | | }; |
| 650 | const args = try std.process.argsAlloc(allocator); |
| 651 | if (args.len < 3 or mem.eql(u8, args[1], "--help")) |
| 652 | usageAndExit(std.io.getStdErr(), args[0], 1); |
| 653 | const zig_exe = args[1]; |
| 654 | const linux_path = args[2]; |
| 738 | 655 | |
| 739 | | var lines = mem.tokenizeScalar(u8, defines, '\n'); |
| 740 | | while (lines.next()) |line| { |
| 741 | | var fields = mem.tokenizeAny(u8, line, " "); |
| 742 | | const prefix = fields.next() orelse return error.Incomplete; |
| 656 | var buf_out = std.io.bufferedWriter(std.io.getStdOut().writer()); |
| 657 | const writer = buf_out.writer(); |
| 743 | 658 | |
| 744 | | if (!mem.eql(u8, prefix, "zigsyscall")) continue; |
| 659 | var linux_dir = try std.fs.cwd().openDir(linux_path, .{}); |
| 660 | defer linux_dir.close(); |
| 745 | 661 | |
| 746 | | const sys_name = fields.next() orelse return error.Incomplete; |
| 747 | | const value = fields.rest(); |
| 748 | | const name = (getOverridenNameNew(value) orelse sys_name)["sys_".len..]; |
| 749 | | const fixed_name = if (stdlib_renames_new.get(name)) |f| f else if (stdlib_renames.get(name)) |f| f else name; |
| 662 | try writer.writeAll( |
| 663 | \\// This file is automatically generated. |
| 664 | \\// See tools/generate_linux_syscalls.zig for more info. |
| 665 | \\ |
| 666 | \\ |
| 667 | ); |
| 750 | 668 | |
| 751 | | try writer.print(" {p} = {s},\n", .{ zig.fmtId(fixed_name), value }); |
| 669 | // As of 5.17.1, the largest table is 23467 bytes. |
| 670 | // 32k should be enough for now. |
| 671 | const buf = try allocator.alloc(u8, 1 << 15); |
| 672 | defer allocator.free(buf); |
| 673 | |
| 674 | inline for (arch_infos) |arch_info| { |
| 675 | switch (arch_info) { |
| 676 | .table => try generateSyscallsFromTable( |
| 677 | allocator, |
| 678 | buf, |
| 679 | linux_dir, |
| 680 | writer, |
| 681 | &arch_info, |
| 682 | ), |
| 683 | .preprocessor => try generateSyscallsFromPreprocessor( |
| 684 | allocator, |
| 685 | linux_dir, |
| 686 | linux_path, |
| 687 | zig_exe, |
| 688 | writer, |
| 689 | &arch_info, |
| 690 | ), |
| 752 | 691 | } |
| 753 | | |
| 754 | | try writer.writeAll("};\n\n"); |
| 755 | 692 | } |
| 756 | 693 | |
| 757 | 694 | try buf_out.flush(); |
ippsav <69125922+ippsav@users.noreply.github.com> 2024-08-05 18:43:47+01:00
GitHub <noreply@github.com> 2024-08-05 10:43:47-07:00
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