On 2017-Jan-11, at 11:48 AM, Roman Divacky <rdivacky at vlakno.cz> wrote:
> 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; The result for the generated a.out (via ld.lld) was: # /usr/local/bin/gdb a.out . . . Reading symbols from a.out...done. (gdb) run Starting program: /root/c_tests/a.out Program received signal SIGSEGV, Segmentation fault. 0x000000001001056c in ?? () (gdb) bt #0 0x000000001001056c in ?? () #1 0x00000000100100d8 in ?? () #2 0x00000000500279e0 in ._rtld_start () at /usr/src/libexec/rtld-elf/powerpc64/rtld_start.S:104 Backtrace stopped: frame did not save the PC === Mark Millard markmi at dsl-only.net 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 > _______________________________________________ > freebsd-toolchain@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-toolchain > To unsubscribe, send any mail to "freebsd-toolchain-unsubscr...@freebsd.org" _______________________________________________ freebsd-toolchain@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-toolchain To unsubscribe, send any mail to "freebsd-toolchain-unsubscr...@freebsd.org"