On Fri, 4 Apr 2003 14:26:34 -0800 (PST),
Alvaro Martinez Echevarria <alvarom@cisco.com> wrote:
>We are having some modutils trouble under mips, when
>compiling modules with gcc-3.2 and debugging information. It
>turns out gcc is generating debug sections in DWARF format, i.e.,
>with elf section type SHT_MIPS_DWARF. That results in an error in
>obj/obj_mips.c:arch_load_proc_section(), as follows:
>
>foo.o: Unhandled section header type: 7000001e
>foo.o: Unknown section header type: 7000001e
>
>This is the simple fix I have:
>
>---------------------------------------------------------------------------=
>----
>--- obj_mips.c.OLD 2002-02-28 16:39:06.000000000 -0800
>+++ obj_mips.c 2003-04-02 18:34:44.000000000 -0800
>@@ -74,6 +74,7 @@
> {
> case SHT_MIPS_DEBUG:
> case SHT_MIPS_REGINFO:
>+ case SHT_MIPS_DWARF:
> /* Actually these two sections are as useless as something can be ..=
>=2E */
> sec->contents =3D NULL;
> break;
>@@ -83,7 +84,6 @@
> case SHT_MIPS_GPTAB:
> case SHT_MIPS_UCODE:
> case SHT_MIPS_OPTIONS:
>- case SHT_MIPS_DWARF:
> case SHT_MIPS_EVENTS:
> /* These shouldn't ever be in a module file. */
> error("Unhandled section header type: %08x", sec->header.sh_type);
>---------------------------------------------------------------------------=
>
>At the same time, maybe there should be something after the
>"Unhandled" message for all those types, so the execution doesn't
>skip over to the default: case and return -1, but I don't know
>that much.
Thanks, this is what went into my tree, patch is against modutils 2.4.25.
Index: 26.1/obj/obj_mips.c
--- 26.1/obj/obj_mips.c Fri, 01 Mar 2002 11:39:06 +1100 kaos (modutils-2.4/c/10_obj_mips.c 1.4 644)
+++ 26.1(w)/obj/obj_mips.c Sat, 05 Apr 2003 08:36:33 +1000 kaos (modutils-2.4/c/10_obj_mips.c 1.4 644)
@@ -74,7 +74,8 @@ arch_load_proc_section(struct obj_sectio
{
case SHT_MIPS_DEBUG:
case SHT_MIPS_REGINFO:
- /* Actually these two sections are as useless as something can be ... */
+ case SHT_MIPS_DWARF:
+ /* Ignore debugging sections */
sec->contents = NULL;
break;
@@ -83,10 +84,10 @@ arch_load_proc_section(struct obj_sectio
case SHT_MIPS_GPTAB:
case SHT_MIPS_UCODE:
case SHT_MIPS_OPTIONS:
- case SHT_MIPS_DWARF:
case SHT_MIPS_EVENTS:
/* These shouldn't ever be in a module file. */
error("Unhandled section header type: %08x", sec->header.sh_type);
+ return -1;
default:
/* We don't even know the type. This time it might as well be a
