[Bug debug/47308] Dwarf Error: Cannot find signatured DIE referenced from DIE at 0x2581 [in module D:\main64.exe]

["pluto at agmk dot net" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47308

--- Comment #5 from Pawel Sikora <pluto at agmk dot net> 2011-01-21 12:23:04 UTC ---
(In reply to comment #4)
> Hmm, can't reproduce issue with current 4.6.0 gcc. Could you please retest with
> current version. It seems issue was already solved.

i'm still see the problem. probably it's some configuration detail to expose
it.

my gcc mingw64 crosscompiler runs on linux.

$ /local/devel/toolchain46/x86_64-pc-mingw32/bin/x86_64-pc-mingw32-g++ -v
Using built-in specs.
COLLECT_GCC=/local/devel/toolchain46/x86_64-pc-mingw32/bin/x86_64-pc-mingw32-g++
COLLECT_LTO_WRAPPER=/local/devel/toolchain46/x86_64-pc-mingw32.host64/lib/gcc/x86_64-pc-mingw32/4.6.0/lto-wrapper
Target: x86_64-pc-mingw32
Configured with: ../configure --target=x86_64-pc-mingw32 --with-arch=core2
--prefix=/local/devel/toolchain46/x86_64-pc-mingw32.host64
--with-sysroot=/local/devel/toolchain46/x86_64-pc-mingw32.host64
--libdir=/local/devel/toolchain46/x86_64-pc-mingw32.host64/lib
--libexecdir=/local/devel/toolchain46/x86_64-pc-mingw32.host64/lib
--with-slibdir=/local/devel/toolchain46/x86_64-pc-mingw32.host64/lib
--with-gmp-include=/home/users/pluto/alatek/toolchain/trunk/gcc-math-runtime/include
--with-gmp-lib=/home/users/pluto/alatek/toolchain/trunk/gcc-math-runtime/lib
--with-mpfr-include=/home/users/pluto/alatek/toolchain/trunk/gcc-math-runtime/include
--with-mpfr-lib=/home/users/pluto/alatek/toolchain/trunk/gcc-math-runtime/lib
--with-mpc-include=/home/users/pluto/alatek/toolchain/trunk/gcc-math-runtime/include
--with-mpc-lib=/home/users/pluto/alatek/toolchain/trunk/gcc-math-runtime/lib
--disable-multilib --disable-nls --disable-libgomp --disable-libmudflap
--disable-libquadmath --disable-libssp --enable-tls
--enable-libstdcxx-allocator=mt --enable-cxx-flags='-O2 -mcld -gdwarf-4 -g2'
--disable-libstdcxx-pch --disable-lto --disable-plugin --enable-c99
--enable-long-long --disable-win32-registry --enable-threads=win32
--enable-sjlj-exceptions --enable-shared --enable-fully-dynamic-string
--enable-__cxa_atexit --enable-languages=c,c++
--enable-checking=yes,df,rtl,tree --disable-symvers --with-long-double-128
--disable-cld --disable-bootstrap
Thread model: win32
gcc version 4.6.0 20110121 (experimental) (GCC)

$ /local/devel/toolchain46/x86_64-pc-mingw32/bin/x86_64-pc-mingw32-as --version
GNU assembler (Linux/GNU Binutils) 2.21.51.0.6.20110118


interesting 'bad register' info in .debug_frame section:

$ /local/devel/toolchain46/x86_64-pc-mingw32/bin/x86_64-pc-mingw32-objdump
--dwarf=frames main.o     

main.o:     file format pe-x86-64

Contents of the .debug_frame section:

00000000 00000014 ffffffff CIE
  Version:               1
  Augmentation:          ""
  Code alignment factor: 1
  Data alignment factor: -8
  Return address column: 16

  DW_CFA_def_cfa: r7 (rsp) ofs 8
  DW_CFA_offset: r16 (rip) at cfa-8
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop

00000018 00000024 00000000 FDE cie=00000000 pc=00000000..0000002e
  DW_CFA_advance_loc: 1 to 00000001
  DW_CFA_def_cfa_offset: 16
  DW_CFA_offset: r6 (rbp) at cfa-16
  DW_CFA_advance_loc: 3 to 00000004
  DW_CFA_def_cfa_register: r6 (rbp)
  DW_CFA_advance_loc: 41 to 0000002d
  DW_CFA_def_cfa: r7 (rsp) ofs 8
  DW_CFA_restore: r6 (rbp)
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop

00000040 00000024 00000000 FDE cie=00000000 pc=0000002e..0000005c
  DW_CFA_advance_loc: 1 to 0000002f
  DW_CFA_def_cfa_offset: 16
  DW_CFA_offset: r6 (rbp) at cfa-16
  DW_CFA_advance_loc: 3 to 00000032
  DW_CFA_def_cfa_register: r6 (rbp)
  DW_CFA_advance_loc: 41 to 0000005b
  DW_CFA_def_cfa: r7 (rsp) ofs 8
  DW_CFA_restore: r6 (rbp)
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop

00000068 0000007c 00000000 FDE cie=00000000 pc=0000005c..00000270
  DW_CFA_advance_loc: 1 to 0000005d
  DW_CFA_def_cfa_offset: 16
  DW_CFA_offset: r6 (rbp) at cfa-16
  DW_CFA_advance_loc: 2 to 0000005f
  DW_CFA_def_cfa_offset: 24
  DW_CFA_offset: r15 (r15) at cfa-24
  DW_CFA_advance_loc: 2 to 00000061
  DW_CFA_def_cfa_offset: 32
  DW_CFA_offset: r14 (r14) at cfa-32
  DW_CFA_advance_loc: 2 to 00000063
  DW_CFA_def_cfa_offset: 40
  DW_CFA_offset: r13 (r13) at cfa-40
  DW_CFA_advance_loc: 2 to 00000065
  DW_CFA_def_cfa_offset: 48
  DW_CFA_offset: r12 (r12) at cfa-48
  DW_CFA_advance_loc: 1 to 00000066
  DW_CFA_def_cfa_offset: 56
  DW_CFA_offset: r5 (rdi) at cfa-56
  DW_CFA_advance_loc: 1 to 00000067
  DW_CFA_def_cfa_offset: 64
  DW_CFA_offset: r4 (rsi) at cfa-64
  DW_CFA_advance_loc: 1 to 00000068
  DW_CFA_def_cfa_offset: 72
  DW_CFA_offset: r3 (rbx) at cfa-72
  DW_CFA_advance_loc: 7 to 0000006f
  DW_CFA_def_cfa_offset: 416
  DW_CFA_advance_loc: 8 to 00000077
  DW_CFA_def_cfa: r6 (rbp) ofs 288
  DW_CFA_advance_loc1: 118 to 000000ed
  DW_CFA_offset: r32 (xmm15) at cfa-96
  DW_CFA_offset: r31 (xmm14) at cfa-112
  DW_CFA_offset: r30 (xmm13) at cfa-128
  DW_CFA_offset: r29 (xmm12) at cfa-144
  DW_CFA_offset: r28 (xmm11) at cfa-160
  DW_CFA_offset: r27 (xmm10) at cfa-176
  DW_CFA_offset: r26 (xmm9) at cfa-192
  DW_CFA_offset: r25 (xmm8) at cfa-208
  DW_CFA_offset: r24 (xmm7) at cfa-224
  DW_CFA_offset: r23 (xmm6) at cfa-240
  DW_CFA_advance_loc2: 374 to 00000263
  DW_CFA_restore: bad register: r32 (xmm15)      <==== bad register ???
  DW_CFA_restore: bad register: r31 (xmm14)
  DW_CFA_restore: bad register: r30 (xmm13)
  DW_CFA_restore: bad register: r29 (xmm12)
  DW_CFA_restore: bad register: r28 (xmm11)
  DW_CFA_restore: bad register: r27 (xmm10)
  DW_CFA_restore: bad register: r26 (xmm9)
  DW_CFA_restore: bad register: r25 (xmm8)
  DW_CFA_restore: bad register: r24 (xmm7)
  DW_CFA_restore: bad register: r23 (xmm6)
  DW_CFA_advance_loc: 1 to 00000264
  DW_CFA_restore: r3 (rbx)
  DW_CFA_advance_loc: 1 to 00000265
  DW_CFA_restore: r4 (rsi)
  DW_CFA_advance_loc: 1 to 00000266
  DW_CFA_restore: r5 (rdi)
  DW_CFA_advance_loc: 2 to 00000268
  DW_CFA_restore: r12 (r12)
  DW_CFA_advance_loc: 2 to 0000026a
  DW_CFA_restore: r13 (r13)
  DW_CFA_advance_loc: 2 to 0000026c
  DW_CFA_restore: r14 (r14)
  DW_CFA_advance_loc: 2 to 0000026e
  DW_CFA_restore: r15 (r15)
  DW_CFA_advance_loc: 1 to 0000026f
  DW_CFA_def_cfa_sf: r7 (rsp) ofs -280
  DW_CFA_restore: r6 (rbp)
  DW_CFA_nop