Date: Wed, 11 Jan 2017 20:48:44 +0100 From: Roman Divacky <rdivacky@vlakno.cz> To: Mark Millard <markmi@dsl-only.net> Cc: Ed Maste <emaste@freebsd.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org> Subject: Re: /usr/bin/ld.lld on powerpc64: produces a.out for which: ld-elf.so.1: assert failed: /usr/src/libexec/rtld-elf/powerpc64/reloc.c:374 Message-ID: <20170111194844.GA16135@vlakno.cz> In-Reply-To: <CF2D86C8-8EEB-4536-8D83-6F8C676EFEF6@dsl-only.net> References: <7139F615-8F18-4EDC-9051-5FFEC0C4057F@dsl-only.net> <CAPyFy2CSmNyUjQcXyq4qUWp_A=Qr81O7fpRbZ5GcfFHFhdSntw@mail.gmail.com> <CF2D86C8-8EEB-4536-8D83-6F8C676EFEF6@dsl-only.net>
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Can you try this patch?
Index: tools/lld/ELF/Target.cpp
===================================================================
--- tools/lld/ELF/Target.cpp (revision 291691)
+++ tools/lld/ELF/Target.cpp (working copy)
@@ -1062,7 +1062,8 @@
}
PPC64TargetInfo::PPC64TargetInfo() {
- PltRel = GotRel = R_PPC64_GLOB_DAT;
+ GotRel = R_PPC64_GLOB_DAT;
+ PltRel = R_PPC64_JMP_SLOT;
RelativeRel = R_PPC64_RELATIVE;
GotEntrySize = 8;
GotPltEntrySize = 8;
On Wed, Jan 11, 2017 at 09:47:34AM -0800, Mark Millard wrote:
>
> On 2017-Jan-11, at 8:07 AM, Ed Maste <emaste at freebsd.org> wrote:
>
> > On 11 January 2017 at 04:15, Mark Millard <markmi at dsl-only.net> wrote:
> >>
> >> # ./a.out
> >> ld-elf.so.1: assert failed: /usr/src/libexec/rtld-elf/powerpc64/reloc.c:374
> >> Abort trap (core dumped)
> >
> > Would you paste the output of `readelf -r a.out`?
>
> Here you go, for ld.lld and for ld.bfd . . .
>
> For -fuse-ld=lld :
>
> # readelf -r a.out
>
> Relocation section with addend (.rela.plt):
> r_offset r_info r_type st_value st_name + r_addend
> 000010030038 000300000014 <unknown: 0x14> 0000000000000000 atexit + 0
> 000010030040 000200000014 <unknown: 0x14> 0000000000000000 _init_tls + 0
> 000010030048 000500000014 <unknown: 0x14> 0000000000000000 exit + 0
>
> For -fuse-ld=bfd :
>
> # readelf -r a.out
>
> Relocation section with addend (.rela.plt):
> r_offset r_info r_type st_value st_name + r_addend
> 000010010cb8 000300000015 <unknown: 0x15> 0000000000000000 atexit + 0
> 000010010cd0 000400000015 <unknown: 0x15> 0000000000000000 _init_tls + 0
> 000010010ce8 000600000015 <unknown: 0x15> 0000000000000000 exit + 0
>
> These were done on the powerpc64 machine (native).
>
>
> ===
> Mark Millard
> markmi at dsl-only.net
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