zig

commit 51fba37af70283427a7ef5d2f2fd39f97aaa1e35 (tree)
parent a35f156cf60ed3d8095c15c4ab26aee267761a56
Author: Jakub Konka <kubkon@jakubkonka.com>
Date:   Wed, 31 Aug 2022 20:03:41 +0200

coff: add relocation for call_extern

Diffstat:
M
src/arch/x86_64/Emit.zig
 | 
12
++++++++++++

1 file changed, 12 insertions(+), 0 deletions(-)
diff --git a/src/arch/x86_64/Emit.zig b/src/arch/x86_64/Emit.zig
@@ -1157,6 +1157,18 @@ fn mirCallExtern(emit: *Emit, inst: Mir.Inst.Index) InnerError!void {
             .length = 2,
             .@"type" = @enumToInt(std.macho.reloc_type_x86_64.X86_64_RELOC_BRANCH),
         });
+    } else if (emit.bin_file.cast(link.File.Coff)) |coff_file| {
+        // Add relocation to the decl.
+        const atom = coff_file.atom_by_index_table.get(relocation.atom_index).?;
+        try atom.addRelocation(coff_file, .{
+            .@"type" = .direct,
+            .target = .{ .sym_index = relocation.sym_index, .file = null },
+            .offset = offset,
+            .addend = 0,
+            .pcrel = true,
+            .length = 2,
+            .prev_vaddr = atom.getSymbol(coff_file).value,
+        });
     } else {
         return emit.fail("TODO implement call_extern for linking backends different than MachO", .{});
     }