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macho: pad out LINKEDIT upto specified filesize

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This commit is contained in:
Jakub Konka 2020-12-22 10:57:58 +01:00
parent f106a46fd2
commit 34663abc90
1 changed files with 4 additions and 1 deletions
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5
src/link/MachO.zig
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@ -2280,6 +2280,7 @@ fn updateLinkeditSegmentSizes(self: *MachO) !void {
const filesize = final_offset - linkedit_segment.inner.fileoff;
linkedit_segment.inner.filesize = filesize;
linkedit_segment.inner.vmsize = mem.alignForwardGeneric(u64, filesize, self.page_size);
try self.base.file.?.pwriteAll(&[_]u8{ 0 }, final_offset);
self.load_commands_dirty = true;
}
@ -2299,7 +2300,9 @@ fn writeLoadCommands(self: *MachO) !void {
try lc.write(writer);
}
try self.base.file.?.pwriteAll(buffer, @sizeOf(macho.mach_header_64));
const off = @sizeOf(macho.mach_header_64);
log.debug("writing {} load commands from 0x{x} to 0x{x}", .{self.load_commands.items.len, off, off + sizeofcmds});
try self.base.file.?.pwriteAll(buffer, off);
self.load_commands_dirty = false;
}