illumos gate

While doing test build with gcc 12, the build failed with libc. The errors appear while building i386_hwcap? variants.

/code/illumos-gate/usr/src/tools/proto/root_i386-nd/opt/onbld/bin/i386/ctfconvert -L VERSION pics/fmtmsg.o
ctfconvert: CTF conversion failed due to missing debug data; use -m to override
*** Error code 1
make: Fatal error: Command failed for target `pics/fmtmsg.o'

Investigating the issue, the error happens when we are processing relocations in libdwarf, the _dwarf_is_32bit_abs_reloc() function does not accept relocation type R_386_GOTOFF and the relocation process will exit with error.

And indeed, checking with elfdump:

Relocation Section:  .rel.debug_info
    type                       offset             section        symbol
...
  R_386_32                      0xead             .rel.debug_inf .text (section)
  R_386_GOTOFF                  0xec1             .rel.debug_inf .LC3
  R_386_32                      0xec8             .rel.debug_inf .text (section)
...