stage2: improvements to entry point handling

 * rename `entry` to `entry_symbol_name` for the zig build API
 * integrate with `zig cc` command line options
 * integrate with COFF linking with LLD
 * integrate with self-hosted ELF linker
 * don't put it in the hash for MachO since it is ignored

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/update_clang_options.zig b/tools/update_clang_options.zig
index 73b1bbd284..bada964c91 100644
--- a/tools/update_clang_options.zig
+++ b/tools/update_clang_options.zig
@@ -416,6 +416,14 @@ const known_options = [_]KnownOpt{
         .name = "sysroot",
         .ident = "sysroot",
     },
+    .{
+        .name = "entry",
+        .ident = "entry",
+    },
+    .{
+        .name = "e",
+        .ident = "entry",
+    },
 };
 
 const blacklisted_options = [_][]const u8{};