Commit ceff278202

@@ -1450,13 +1450,12 @@ fn make(step: *Step, prog_node: *std.Progress.Node) !void {
 
     try addFlag(&zig_args, "strip", self.strip);
     try addFlag(&zig_args, "unwind-tables", self.unwind_tables);
-    if (!self.producesPdbFile()) {
-        if (self.dwarf_format) |dwarf_format| {
-            try zig_args.append(switch (dwarf_format) {
-                .dwarf32 => "-gdwarf32",
-                .dwarf64 => "-gdwarf64",
-            });
-        }
+
+    if (self.dwarf_format) |dwarf_format| {
+        try zig_args.append(switch (dwarf_format) {
+            .@"32" => "-gdwarf32",
+            .@"64" => "-gdwarf64",
+        });
     }
 
     switch (self.compress_debug_sections) {

@@ -147,10 +147,7 @@ pub const CC = enum(u8) {
     GNU_borland_fastcall_i386 = 0x41,
 };
 
-pub const Format = enum {
-    dwarf32,
-    dwarf64,
-};
+pub const Format = enum { @"32", @"64" };
 
 const PcRange = struct {
     start: u64,

@@ -433,14 +433,7 @@ pub const Object = struct {
         if (!options.strip) {
             switch (options.target.ofmt) {
                 .coff => llvm_module.addModuleCodeViewFlag(),
-                else => {
-                    const dwarf_format = options.dwarf_format orelse .dwarf32;
-                    const produce_dwarf64 = switch (dwarf_format) {
-                        .dwarf32 => false,
-                        .dwarf64 => true,
-                    };
-                    llvm_module.addModuleDebugInfoFlag(produce_dwarf64);
-                },
+                else => llvm_module.addModuleDebugInfoFlag(options.dwarf_format == std.dwarf.Format.@"64"),
             }
             const di_builder = llvm_module.createDIBuilder(true);
             opt_di_builder = di_builder;

@@ -3870,13 +3870,62 @@ flagpd1("gcodeview-command-line"),
 flagpd1("gcodeview-ghash"),
 flagpd1("gcolumn-info"),
 flagpd1("gdbx"),
-flagpd1("gdwarf"),
-flagpd1("gdwarf32"),
-flagpd1("gdwarf64"),
-flagpd1("gdwarf-2"),
-flagpd1("gdwarf-3"),
-flagpd1("gdwarf-4"),
-flagpd1("gdwarf-5"),
+.{
+    .name = "gdwarf",
+    .syntax = .flag,
+    .zig_equivalent = .debug,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
+.{
+    .name = "gdwarf32",
+    .syntax = .flag,
+    .zig_equivalent = .gdwarf32,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
+.{
+    .name = "gdwarf64",
+    .syntax = .flag,
+    .zig_equivalent = .gdwarf64,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
+.{
+    .name = "gdwarf-2",
+    .syntax = .flag,
+    .zig_equivalent = .debug,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
+.{
+    .name = "gdwarf-3",
+    .syntax = .flag,
+    .zig_equivalent = .debug,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
+.{
+    .name = "gdwarf-4",
+    .syntax = .flag,
+    .zig_equivalent = .debug,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
+.{
+    .name = "gdwarf-5",
+    .syntax = .flag,
+    .zig_equivalent = .debug,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 flagpd1("gdwarf-aranges"),
 flagpd1("gembed-source"),
 sepd1("gen-cdb-fragment-path"),

@@ -1112,6 +1112,7 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation {
         cache.hash.add(link_libunwind);
         cache.hash.add(options.output_mode);
         cache.hash.add(options.machine_code_model);
+        cache.hash.addOptional(options.dwarf_format);
         cache_helpers.addOptionalEmitLoc(&cache.hash, options.emit_bin);
         cache_helpers.addOptionalEmitLoc(&cache.hash, options.emit_implib);
         cache.hash.addBytes(options.root_name);
@@ -4490,7 +4491,13 @@ pub fn addCCArgs(
                 // generation, it only changes the type of information generated.
                 try argv.appendSlice(&.{ "-g", "-gcodeview" });
             },
-            .elf, .macho => try argv.append("-gdwarf-4"),
+            .elf, .macho => {
+                try argv.append("-gdwarf-4");
+                if (comp.bin_file.options.dwarf_format) |f| switch (f) {
+                    .@"32" => try argv.append("-gdwarf32"),
+                    .@"64" => try argv.append("-gdwarf64"),
+                };
+            },
             else => try argv.append("-g"),
         }
     }

@@ -200,7 +200,7 @@ pub const Options = struct {
     compatibility_version: ?std.builtin.Version,
     libc_installation: ?*const LibCInstallation,
 
-    dwarf_format: ?std.dwarf.Format = null,
+    dwarf_format: ?std.dwarf.Format,
 
     /// WASI-only. Type of WASI execution model ("command" or "reactor").
     wasi_exec_model: std.builtin.WasiExecModel = undefined,

@@ -1357,9 +1357,9 @@ fn buildOutputType(
                     } else if (mem.eql(u8, arg, "-fno-strip")) {
                         strip = false;
                     } else if (mem.eql(u8, arg, "-gdwarf32")) {
-                        dwarf_format = .dwarf32;
+                        dwarf_format = .@"32";
                     } else if (mem.eql(u8, arg, "-gdwarf64")) {
-                        dwarf_format = .dwarf64;
+                        dwarf_format = .@"64";
                     } else if (mem.eql(u8, arg, "-fformatted-panics")) {
                         formatted_panics = true;
                     } else if (mem.eql(u8, arg, "-fno-formatted-panics")) {
@@ -1767,6 +1767,14 @@ fn buildOutputType(
                             try clang_argv.appendSlice(it.other_args);
                         }
                     },
+                    .gdwarf32 => {
+                        strip = false;
+                        dwarf_format = .@"32";
+                    },
+                    .gdwarf64 => {
+                        strip = false;
+                        dwarf_format = .@"64";
+                    },
                     .sanitize => {
                         if (mem.eql(u8, it.only_arg, "undefined")) {
                             want_sanitize_c = true;
@@ -5108,6 +5116,8 @@ pub const ClangArgIterator = struct {
         asm_only,
         optimize,
         debug,
+        gdwarf32,
+        gdwarf64,
         sanitize,
         linker_script,
         dry_run,

@@ -241,23 +241,31 @@ const known_options = [_]KnownOpt{
         .ident = "debug",
     },
     .{
-        .name = "g-dwarf",
+        .name = "gdwarf32",
+        .ident = "gdwarf32",
+    },
+    .{
+        .name = "gdwarf64",
+        .ident = "gdwarf64",
+    },
+    .{
+        .name = "gdwarf",
         .ident = "debug",
     },
     .{
-        .name = "g-dwarf-2",
+        .name = "gdwarf-2",
         .ident = "debug",
     },
     .{
-        .name = "g-dwarf-3",
+        .name = "gdwarf-3",
         .ident = "debug",
     },
     .{
-        .name = "g-dwarf-4",
+        .name = "gdwarf-4",
         .ident = "debug",
     },
     .{
-        .name = "g-dwarf-5",
+        .name = "gdwarf-5",
         .ident = "debug",
     },
     .{