ELF linker: support common-page-size and max-page-size lld opts

These linker flags are required to build static ELF binaries that
can run under the Blink emulator:

https://github.com/jart/blink/issues/14

1 files changed, 10 insertions, 0 deletions

diff --git a/src/link/Elf.zig b/src/link/Elf.zig
index 4910f4b599..c27e4f166f 100644
--- a/src/link/Elf.zig
+++ b/src/link/Elf.zig
@@ -1390,6 +1390,8 @@ fn linkWithLLD(self: *Elf, comp: *Compilation, prog_node: *std.Progress.Node) !v
         man.hash.add(self.base.options.z_nocopyreloc);
         man.hash.add(self.base.options.z_now);
         man.hash.add(self.base.options.z_relro);
+        man.hash.add(self.base.options.z_common_page_size orelse 0);
+        man.hash.add(self.base.options.z_max_page_size orelse 0);
         man.hash.add(self.base.options.hash_style);
         // strip does not need to go into the linker hash because it is part of the hash namespace
         if (self.base.options.link_libc) {
@@ -1594,6 +1596,14 @@ fn linkWithLLD(self: *Elf, comp: *Compilation, prog_node: *std.Progress.Node) !v
             // LLD defaults to -zrelro
             try argv.append("-znorelro");
         }
+        if (self.base.options.z_common_page_size) |size| {
+            try argv.append("-z");
+            try argv.append(try std.fmt.allocPrint(arena, "common-page-size={d}", .{size}));
+        }
+        if (self.base.options.z_max_page_size) |size| {
+            try argv.append("-z");
+            try argv.append(try std.fmt.allocPrint(arena, "max-page-size={d}", .{size}));
+        }
 
         if (getLDMOption(target)) |ldm| {
             // Any target ELF will use the freebsd osabi if suffixed with "_fbsd".