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Re: DWARF updates for linker relaxation?

Hi Bob,

I didn't get any suggestions or pointers to existing code,

Sorry about that. I have been very behind in answering binutils email recently. :-(

I tested this by building for both i686-pc-linux-gnu and xtensa-elf targets. The testsuite passes with no regressions, except for one. For the xtensa-elf target, the lns/lns-common-1 test fails because the expected dump file no longer matches. Is there an easy way to specify an alternate expected dump file?

Yes. Edit the lns.exp file and an explicit entry for the xtensa port. eg:

  if { ![istarget ia64*-*-*] && ![istarget i370-*-*]
       && ![istarget i960-*-*] && ![istarget or32-*-*]
       && ![istarget s390*-*-*] } {
     if {[istarget xtensa-*-*]} {
       run_dump_test "lns-common-1-xtensa"
     } else {
       run_dump_test "lns-common-1"

Then create an "lns-common-1-xtensa.d" file containing the correct regexps and also this line at the start:

# source lns-common-1.s

Assuming I get that regression fixed, is this OK?

2006-07-28 Bob Wilson <>

    * dwarf2dbg.c (DWARF2_USE_FIXED_ADVANCE_PC): New.
    (out_sleb128): New.
    (out_fixed_inc_line_addr): New.
    (process_entries): Use out_fixed_inc_line_addr when
    * config/tc-xtensa.h (DWARF2_USE_FIXED_ADVANCE_PC): Define.

Approved - please apply.


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