[PATCH v3 3/3] x86/boot: Explicitly list .{sym,shstr,str}tab in build32.lds.S

[Frediano Ziglio <frediano.ziglio@xxxxxxxxx>]

Currently, building with LLVM's LLD fails:

    ld -melf_i386_fbsd  --orphan-handling=error -N -T ...
    ld: error: <internal>:(.symtab) is being placed in '.symtab'
    ld: error: <internal>:(.shstrtab) is being placed in '.shstrtab'
    ld: error: <internal>:(.strtab) is being placed in '.strtab'
    gmake[11]: *** [arch/x86/boot/Makefile:69:
arch/x86/boot/built-in-32.base.bin] Error 1

This is a consequence of --orphan-handling, and it appears that Binutils
doesn't diagnose some orphaned sections even explicitly asked to do so.

List the sections explicitly.

Fixes: aa9045e77130 ('x86/boot: Rework how 32bit C is linked/included for early 
boot')
Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
---
 xen/arch/x86/boot/build32.lds.S | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/xen/arch/x86/boot/build32.lds.S b/xen/arch/x86/boot/build32.lds.S
index 9b29f0184f..1e59732edd 100644
--- a/xen/arch/x86/boot/build32.lds.S
+++ b/xen/arch/x86/boot/build32.lds.S
@@ -66,6 +66,15 @@ SECTIONS
        *(.comment.*)
        *(.note.*)
   }
+  .shstrtab : {
+       *(.shstrtab)
+  }
+  .strtab : {
+       *(.strtab)
+  }
+  .symtab : {
+       *(.symtab)
+  }
   /* Dynamic linkage sections.  Collected simply so we can check they're 
empty. */
   .got : {
         *(.got)
-- 
2.34.1