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link.Elf: truncate=true in createEmpty

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This commit is contained in:
Andrew Kelley 2023-12-24 19:47:34 -07:00
parent 4d28db7329
commit 981166e33f
1 changed files with 7 additions and 7 deletions
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14
src/link/Elf.zig
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@ -264,12 +264,10 @@ pub fn createEmpty(
// If using LLVM to generate the object file for the zig compilation unit,
// we need a place to put the object file so that it can be subsequently
// handled.
const zcu_object_sub_path = if (!use_lld and !use_llvm) null else p: {
const o_file_path = try std.fmt.allocPrint(arena, "{s}{s}", .{
emit.sub_path, target.ofmt.fileExt(target.cpu.arch),
});
break :p o_file_path;
};
const zcu_object_sub_path = if (!use_lld and !use_llvm)
null
else
try std.fmt.allocPrint(arena, "{s}.o", .{emit.sub_path});
const self = try arena.create(Elf);
self.* = .{
@ -343,7 +341,7 @@ pub fn createEmpty(
// can be passed to LLD.
const sub_path = if (use_lld) zcu_object_sub_path.? else emit.sub_path;
self.base.file = try emit.directory.handle.createFile(sub_path, .{
.truncate = false,
.truncate = true,
.read = true,
.mode = link.File.determineMode(use_lld, output_mode, link_mode),
});
@ -431,6 +429,8 @@ pub fn open(
emit: Compilation.Emit,
options: link.File.OpenOptions,
) !*Elf {
// TODO: restore saved linker state, don't truncate the file, and
// participate in incremental compilation.
return createEmpty(arena, comp, emit, options);
}