Merge pull request #4838 from squeek502/for-linker

zig cc: Add support for -Xlinker, --for-linker, --for-linker=, -z

src-self-hosted/clang_options_data.zig

@@ -80,7 +80,14 @@ sepd1("Xassembler"),
 sepd1("Xclang"),
 sepd1("Xcuda-fatbinary"),
 sepd1("Xcuda-ptxas"),
-sepd1("Xlinker"),
+.{
+    .name = "Xlinker",
+    .syntax = .separate,
+    .zig_equivalent = .for_linker,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 sepd1("Xopenmp-target"),
 sepd1("Xpreprocessor"),
 flagpd1("Z"),
@@ -1563,7 +1570,7 @@ sepd1("Zlinker-input"),
 .{
     .name = "for-linker",
     .syntax = .separate,
-    .zig_equivalent = .other,
+    .zig_equivalent = .for_linker,
     .pd1 = false,
     .pd2 = true,
     .psl = false,
@@ -2547,7 +2554,14 @@ flagpd1("femulated-tls"),
 flagpd1("fencode-extended-block-signature"),
 sepd1("ferror-limit"),
 flagpd1("fescaping-block-tail-calls"),
-flagpd1("fexceptions"),
+.{
+    .name = "fexceptions",
+    .syntax = .flag,
+    .zig_equivalent = .exceptions,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 flagpd1("fexperimental-isel"),
 flagpd1("fexperimental-new-constant-interpreter"),
 flagpd1("fexperimental-new-pass-manager"),
@@ -2751,7 +2765,14 @@ flagpd1("fno-elide-type"),
 flagpd1("fno-eliminate-unused-debug-symbols"),
 flagpd1("fno-emulated-tls"),
 flagpd1("fno-escaping-block-tail-calls"),
-flagpd1("fno-exceptions"),
+.{
+    .name = "fno-exceptions",
+    .syntax = .flag,
+    .zig_equivalent = .no_exceptions,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 flagpd1("fno-experimental-isel"),
 flagpd1("fno-experimental-new-pass-manager"),
 flagpd1("fno-fast-math"),
@@ -2840,7 +2861,14 @@ flagpd1("fno-rewrite-includes"),
 flagpd1("fno-ropi"),
 flagpd1("fno-rounding-math"),
 flagpd1("fno-rtlib-add-rpath"),
-flagpd1("fno-rtti"),
+.{
+    .name = "fno-rtti",
+    .syntax = .flag,
+    .zig_equivalent = .no_rtti,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 flagpd1("fno-rtti-data"),
 flagpd1("fno-rwpi"),
 flagpd1("fno-sanitize-address-poison-custom-array-cookie"),
@@ -2988,7 +3016,14 @@ flagpd1("fno-frontend-optimize"),
 flagpd1("fropi"),
 flagpd1("frounding-math"),
 flagpd1("frtlib-add-rpath"),
-flagpd1("frtti"),
+.{
+    .name = "frtti",
+    .syntax = .flag,
+    .zig_equivalent = .rtti,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 flagpd1("frwpi"),
 flagpd1("fsanitize-address-globals-dead-stripping"),
 flagpd1("fsanitize-address-poison-custom-array-cookie"),
@@ -4248,7 +4283,14 @@ flagpd1("fno-whole-file"),
 flagpd1("fwhole-program"),
 flagpd1("fno-whole-program"),
 flagpd1("whyload"),
-sepd1("z"),
+.{
+    .name = "z",
+    .syntax = .separate,
+    .zig_equivalent = .linker_input_z,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 joinpd1("fsanitize-undefined-strip-path-components="),
 joinpd1("fopenmp-cuda-teams-reduction-recs-num="),
 joinpd1("analyzer-config-compatibility-mode="),
@@ -4887,7 +4929,7 @@ jspd1("sub_umbrella"),
 .{
     .name = "for-linker=",
     .syntax = .joined,
-    .zig_equivalent = .other,
+    .zig_equivalent = .for_linker,
     .pd1 = false,
     .pd2 = true,
     .psl = false,

src-self-hosted/stage2.zig

@@ -1289,6 +1289,8 @@ pub const ClangArgIterator = extern struct {
         no_exceptions,
         rtti,
         no_rtti,
+        for_linker,
+        linker_input_z,
     };
 
     const Args = struct {

src/main.cpp

@@ -734,6 +734,13 @@ static int main0(int argc, char **argv) {
                 case Stage2ClangArgNoRtti:
                     cpp_rtti = false;
                     break;
+                case Stage2ClangArgForLinker:
+                    linker_args.append(buf_create_from_str(it.only_arg));
+                    break;
+                case Stage2ClangArgLinkerInputZ:
+                    linker_args.append(buf_create_from_str("-z"));
+                    linker_args.append(buf_create_from_str(it.only_arg));
+                    break;
             }
         }
         // Parse linker args

src/stage2.h

@@ -349,6 +349,8 @@ enum Stage2ClangArg {
     Stage2ClangArgNoExceptions,
     Stage2ClangArgRtti,
     Stage2ClangArgNoRtti,
+    Stage2ClangArgForLinker,
+    Stage2ClangArgLinkerInputZ,
 };
 
 // ABI warning

tools/update_clang_options.zig

@@ -78,6 +78,22 @@ const known_options = [_]KnownOpt{
         .name = "Wl,",
         .ident = "wl",
     },
+    .{
+        .name = "Xlinker",
+        .ident = "for_linker",
+    },
+    .{
+        .name = "for-linker",
+        .ident = "for_linker",
+    },
+    .{
+        .name = "for-linker=",
+        .ident = "for_linker",
+    },
+    .{
+        .name = "z",
+        .ident = "linker_input_z",
+    },
     .{
         .name = "E",
         .ident = "preprocess",