tschmelcher@******:~/clients-local/p10-2/googleclient/third_party/webrtc/3.18/files$ gdb --args out/Debug/../../third_party/gold/gold64 -o out/Debug/libvpx_obj_int_extract -z noexecstack out/Debug/obj.host/libvpx_obj_int_extract/third_party/libvpx/source/libvpx-internal/build/make/obj_int_extract.o -lc
GNU gdb (GDB) 7.5-gg5
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux".

<http://wiki/Main/GnuDebugger  FAQ: http://go/gdb  Email: gdb-team  IRC: gdb>
Reading symbols from /usr/local/google/home/tschmelcher/clients-local/p10-2/googleclient/third_party/webrtc/3.18/files/third_party/gold/gold64...done.

WARNING: no debugging symbols found in /usr/local/google/home/tschmelcher/clients-local/p10-2/googleclient/third_party/webrtc/3.18/files/third_party/gold/gold64.
Either the binary was compiled without debugging information
or the debugging information was removed (e.g., with strip or strip -g).
Debugger capabilities will be very limited.
For further information: http://wiki/Main/GdbFaq#No_debugging_symbols_found

(gdb) break posix_fallocate
Function "posix_fallocate" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y

Breakpoint 1 (posix_fallocate) pending.
(gdb) break pwrite
Function "pwrite" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y

Breakpoint 2 (pwrite) pending.
(gdb) commands
Type commands for breakpoint(s) 2, one per line.
End with a line saying just "end".
>continue
>end
(gdb) run
Starting program: /usr/local/google/home/tschmelcher/clients-local/p10-2/googleclient/third_party/webrtc/3.18/files/third_party/gold/gold64 -o out/Debug/libvpx_obj_int_extract -z noexecstack out/Debug/obj.host/libvpx_obj_int_extract/third_party/libvpx/source/libvpx-internal/build/make/obj_int_extract.o -lc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/grte/v2/lib64/libthread_db.so.1".

Breakpoint 1, posix_fallocate (fd=12, offset=0, len=20888)
    at ../sysdeps/unix/sysv/linux/wordsize-64/posix_fallocate.c:38
38	../sysdeps/unix/sysv/linux/wordsize-64/posix_fallocate.c: No such file or directory.
(gdb) disas
Dump of assembler code for function posix_fallocate:
=> 0x00007ffff6f51eb0 <+0>:	mov    0x2a6032(%rip),%eax        # 0x7ffff71f7ee8 <__have_fallocate>
   0x00007ffff6f51eb6 <+6>:	push   %rbx
   0x00007ffff6f51eb7 <+7>:	mov    %rsi,%r9
   0x00007ffff6f51eba <+10>:	mov    %edi,%ebx
   0x00007ffff6f51ebc <+12>:	mov    %rdx,%r8
   0x00007ffff6f51ebf <+15>:	test   %eax,%eax
   0x00007ffff6f51ec1 <+17>:	js     0x7ffff6f51f00 <posix_fallocate+80>
   0x00007ffff6f51ec3 <+19>:	mov    %rdx,%r10
   0x00007ffff6f51ec6 <+22>:	movslq %edi,%rdi
   0x00007ffff6f51ec9 <+25>:	mov    %rsi,%rdx
   0x00007ffff6f51ecc <+28>:	mov    $0x11d,%eax
   0x00007ffff6f51ed1 <+33>:	xor    %esi,%esi
   0x00007ffff6f51ed3 <+35>:	syscall 
   0x00007ffff6f51ed5 <+37>:	xor    %edx,%edx
   0x00007ffff6f51ed7 <+39>:	cmp    $0xfffff000,%eax
   0x00007ffff6f51edc <+44>:	jbe    0x7ffff6f51eec <posix_fallocate+60>
   0x00007ffff6f51ede <+46>:	cmp    $0xffffffda,%eax
   0x00007ffff6f51ee1 <+49>:	je     0x7ffff6f51ef0 <posix_fallocate+64>
   0x00007ffff6f51ee3 <+51>:	cmp    $0xffffffa1,%eax
   0x00007ffff6f51ee6 <+54>:	je     0x7ffff6f51f00 <posix_fallocate+80>
   0x00007ffff6f51ee8 <+56>:	mov    %eax,%edx
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) break *0x00007ffff6f51ed3
Breakpoint 3 at 0x7ffff6f51ed3: file ../sysdeps/unix/sysv/linux/wordsize-64/posix_fallocate.c, line 42.
(gdb) c
Continuing.

Breakpoint 3, 0x00007ffff6f51ed3 in posix_fallocate (fd=12, offset=0, 
    len=20888) at ../sysdeps/unix/sysv/linux/wordsize-64/posix_fallocate.c:42
42	in ../sysdeps/unix/sysv/linux/wordsize-64/posix_fallocate.c
(gdb) info registers
rax            0x11d	285
rbx            0xc	12
rcx            0x7ffff6f4f374	140737336636276
rdx            0x0	0
rsi            0x0	0
rdi            0xc	12
rbp            0xc	0xc
rsp            0x7fffffff8340	0x7fffffff8340
r8             0x5198	20888
r9             0x0	0
r10            0x5198	20888
r11            0x7ffff6f51eb0	140737336647344
r12            0x5198	20888
r13            0x7fffffffdc90	140737488346256
r14            0x7fffffffe275	140737488347765
r15            0x7fffffffdc90	140737488346256
rip            0x7ffff6f51ed3	0x7ffff6f51ed3 <posix_fallocate+35>
eflags         0x246	[ PF ZF IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) print $rdi = 9999
$1 = 9999
(gdb) stepi
44	in ../sysdeps/unix/sysv/linux/wordsize-64/posix_fallocate.c
(gdb) info registers
rax            0xfffffffffffffff7	-9
rbx            0xc	12
rcx            0xffffffffffffffff	-1
rdx            0x0	0
rsi            0x0	0
rdi            0x270f	9999
rbp            0xc	0xc
rsp            0x7fffffff8340	0x7fffffff8340
r8             0x5198	20888
r9             0x0	0
r10            0x5198	20888
r11            0x346	838
r12            0x5198	20888
r13            0x7fffffffdc90	140737488346256
r14            0x7fffffffe275	140737488347765
r15            0x7fffffffdc90	140737488346256
rip            0x7ffff6f51ed5	0x7ffff6f51ed5 <posix_fallocate+37>
eflags         0x246	[ PF ZF IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) print $rax = -95
$2 = -95
(gdb) c
Continuing.

Breakpoint 2, pwrite64 () at ../sysdeps/unix/syscall-template.S:82
82	../sysdeps/unix/syscall-template.S: No such file or directory.

Breakpoint 2, pwrite64 () at ../sysdeps/unix/syscall-template.S:82
82	in ../sysdeps/unix/syscall-template.S

Breakpoint 2, pwrite64 () at ../sysdeps/unix/syscall-template.S:82
82	in ../sysdeps/unix/syscall-template.S

Breakpoint 2, pwrite64 () at ../sysdeps/unix/syscall-template.S:82
82	in ../sysdeps/unix/syscall-template.S

Breakpoint 2, pwrite64 () at ../sysdeps/unix/syscall-template.S:82
82	in ../sysdeps/unix/syscall-template.S

Breakpoint 2, pwrite64 () at ../sysdeps/unix/syscall-template.S:82
82	in ../sysdeps/unix/syscall-template.S
[Inferior 1 (process 7558) exited normally]
(gdb) quit
tschmelcher@******:~/clients-local/p10-2/googleclient/third_party/webrtc/3.18/files$ hexdump out/Debug/libvpx_obj_int_extract | head -n 100
0000000 457f 464c 0102 0001 0000 0000 0000 0000
0000010 0002 003e 0001 0000 0000 0000 0000 0000
0000020 0040 0000 0000 0000 4a18 0000 0000 0000
0000030 0000 0000 0040 0038 0006 0040 001e 001d
0000040 0006 0000 0004 0000 0040 0000 0000 0000
0000050 0040 0040 0000 0000 0040 0040 0000 0000
0000060 0150 0000 0000 0000 0150 0000 0000 0000
0000070 0008 0000 0000 0000 0003 0000 0004 0000
0000080 0190 0000 0000 0000 0190 0040 0000 0000
0000090 0190 0040 0000 0000 000f 0000 0000 0000
00000a0 000f 0000 0000 0000 0001 0000 0000 0000
00000b0 0001 0000 0005 0000 0000 0000 0000 0000
00000c0 0000 0040 0000 0000 0000 0040 0000 0000
00000d0 2610 0000 0000 0000 2610 0000 0000 0000
00000e0 1000 0000 0000 0000 0001 0000 0006 0000
00000f0 2610 0000 0000 0000 3610 0040 0000 0000
0000100 3610 0040 0000 0000 0238 0000 0000 0000
0000110 0238 0000 0000 0000 1000 0000 0000 0000
0000120 0002 0000 0006 0000 2610 0000 0000 0000
0000130 3610 0040 0000 0000 3610 0040 0000 0000
0000140 0180 0000 0000 0000 0180 0000 0000 0000
0000150 0008 0000 0000 0000 e551 6474 0006 0000
0000160 0000 0000 0000 0000 0000 0000 0000 0000
*
0000190 6c2f 6269 6c2f 3664 2e34 6f73 312e 0000
00001a0 0000 0000 0000 0000 0000 0000 0000 0000
00001b0 0000 0000 0000 0000 0001 0000 0011 0000
00001c0 0000 0000 0000 0000 0000 0000 0000 0000
00001d0 001e 0000 0012 0000 0000 0000 0000 0000
00001e0 0000 0000 0000 0000 0027 0000 0012 0000
00001f0 0000 0000 0000 0000 0000 0000 0000 0000
0000200 002e 0000 0012 0000 0000 0000 0000 0000
0000210 0000 0000 0000 0000 0035 0000 0012 0000
0000220 0000 0000 0000 0000 0000 0000 0000 0000
0000230 003c 0000 0012 0000 0000 0000 0000 0000
0000240 0000 0000 0000 0000 0043 0000 0012 0000
0000250 0000 0000 0000 0000 0000 0000 0000 0000
0000260 004a 0000 0012 0000 0000 0000 0000 0000
0000270 0000 0000 0000 0000 004f 0000 0012 0000
0000280 0000 0000 0000 0000 0000 0000 0000 0000
0000290 006a 0000 0012 0000 0000 0000 0000 0000
00002a0 0000 0000 0000 0000 0072 0000 0012 0000
00002b0 0000 0000 0000 0000 0000 0000 0000 0000
00002c0 0079 0000 0012 0000 0000 0000 0000 0000
00002d0 0000 0000 0000 0000 0081 0000 0012 0000
00002e0 0000 0000 0000 0000 0000 0000 0000 0000
00002f0 0088 0000 0012 0000 0000 0000 0000 0000
0000300 0000 0000 0000 0000 008e 0000 0012 0000
0000310 0000 0000 0000 0000 0000 0000 0000 0000
0000320 0094 0000 0012 0000 0000 0000 0000 0000
0000330 0000 0000 0000 0000 009b 0000 0012 0000
0000340 0000 0000 0000 0000 0000 0000 0000 0000
0000350 00a2 0000 0012 0000 0000 0000 0000 0000
0000360 0000 0000 0000 0000 00a8 0000 0012 0000
0000370 0000 0000 0000 0000 0000 0000 0000 0000
0000380 00af 0000 0012 0000 0000 0000 0000 0000
0000390 0000 0000 0000 0000 7300 6474 7265 0072
00003a0 4c47 4249 5f43 2e32 2e32 0035 696c 6362
00003b0 732e 2e6f 0036 6676 7270 6e69 6674 6d00
00003c0 6d65 7063 0079 656d 736d 7465 7300 7274
00003d0 7063 0079 7473 6372 706d 7000 6972 746e
00003e0 0066 7570 7374 5f00 735f 6174 6b63 635f
00003f0 6b68 665f 6961 006c 4c47 4249 5f43 2e32
0000400 0034 7066 6972 746e 0066 7766 6972 6574
0000410 6600 706f 6e65 3436 7000 7265 6f72 0072
0000420 7366 6565 006b 7466 6c65 006c 616d 6c6c
0000430 636f 7200 7765 6e69 0064 7266 6165 0064
0000440 6366 6f6c 6573 6600 6572 0065 0000 0000
0000450 0011 0000 0015 0000 0002 0000 0000 0000
0000460 000f 0000 0013 0000 0008 0000 0000 0000
0000470 0006 0000 0012 0000 000c 0000 000e 0000
0000480 0010 0000 0000 0000 0014 0000 0004 0000
0000490 0011 0000 0000 0000 0000 0000 0000 0000
00004a0 0000 0000 0000 0000 0000 0000 0000 0000
*
00004c0 0005 0000 0000 0000 0007 0000 0003 0000
00004d0 0000 0000 000d 0000 0001 0000 000b 0000
00004e0 000a 0000 0000 0000 0000 0000 0009 0000
00004f0 0000 0002 0002 0002 0002 0002 0002 0002
0000500 0002 0003 0002 0002 0002 0002 0002 0002
0000510 0002 0002 0002 0002 0002 0000 0001 0002
0000520 0014 0000 0010 0000 0000 0000 1a75 0969
0000530 0000 0002 0008 0000 0010 0000 6914 0d69
0000540 0000 0003 0060 0000 0000 0000 0000 0000
0000550 3790 0040 0000 0000 0006 0000 0001 0000
0000560 0000 0000 0000 0000 37b0 0040 0000 0000
0000570 0007 0000 0002 0000 0000 0000 0000 0000
0000580 37b8 0040 0000 0000 0007 0000 0003 0000
0000590 0000 0000 0000 0000 37c0 0040 0000 0000
00005a0 0007 0000 0004 0000 0000 0000 0000 0000
00005b0 37c8 0040 0000 0000 0007 0000 0005 0000
00005c0 0000 0000 0000 0000 37d0 0040 0000 0000
00005d0 0007 0000 0006 0000 0000 0000 0000 0000
00005e0 37d8 0040 0000 0000 0007 0000 0007 0000
00005f0 0000 0000 0000 0000 37e0 0040 0000 0000
0000600 0007 0000 0008 0000 0000 0000 0000 0000
0000610 37e8 0040 0000 0000 0007 0000 0009 0000
0000620 0000 0000 0000 0000 37f0 0040 0000 0000
0000630 0007 0000 000a 0000 0000 0000 0000 0000
0000640 37f8 0040 0000 0000 0007 0000 000b 0000
tschmelcher@******:~/clients-local/p10-2/googleclient/third_party/webrtc/3.18/files$