zig

commit 6e7d619dc33c3b9968d6fccdd51661e22f9db5e6 (tree)
parent 4028762a9a7fed702e87622ed89800d87bfe7077
Author: Alex Rønne Petersen <alex@alexrp.com>
Date:   Fri, 26 Jul 2024 05:43:52 +0200

generate_linux_syscalls: Add generation code for s390x.

Diffstat:
M
tools/generate_linux_syscalls.zig
 | 
20
++++++++++++++++++++

1 file changed, 20 insertions(+), 0 deletions(-)
diff --git a/tools/generate_linux_syscalls.zig b/tools/generate_linux_syscalls.zig
@@ -298,6 +298,26 @@ pub fn main() !void {
         try writer.writeAll(list_64.items);
         try writer.writeAll("};\n\n");
     }
+    {
+        try writer.writeAll("pub const S390x = enum(usize) {\n");
+
+        const table = try linux_dir.readFile("arch/s390/kernel/syscalls/syscall.tbl", buf);
+        var lines = mem.tokenizeScalar(u8, table, '\n');
+        while (lines.next()) |line| {
+            if (line[0] == '#') continue;
+
+            var fields = mem.tokenizeAny(u8, line, " \t");
+            const number = fields.next() orelse return error.Incomplete;
+            const abi = fields.next() orelse return error.Incomplete;
+            if (mem.eql(u8, abi, "32")) continue; // 32-bit s390 support in linux is deprecated
+            const name = fields.next() orelse return error.Incomplete;
+            const fixed_name = if (stdlib_renames.get(name)) |fixed| fixed else name;
+
+            try writer.print("    {p} = {s},\n", .{ zig.fmtId(fixed_name), number });
+        }
+
+        try writer.writeAll("};\n\n");
+    }
 
     // Newer architectures (starting with aarch64 c. 2012) now use the same C
     // header file for their syscall numbers. Arch-specific headers are used to