gistfile1.txt

Thread 1 "foo" hit Breakpoint 1, fmt.Printf (format="%v\n", a= []interface {} = {...}, n=859530404224, err=...) at /usr/lib/golang/src/fmt/print.go:196
196	func Printf(format string, a ...interface{}) (n int, err error) {
(gdb) disas
Dump of assembler code for function fmt.Printf:
=> 0x000000000045a700 <+0>:	mov    %fs:0xfffffffffffffff8,%rcx
   0x000000000045a709 <+9>:	cmp    0x10(%rcx),%rsp
   0x000000000045a70d <+13>:	jbe    0x45a7f2 <fmt.Printf+242>
   0x000000000045a713 <+19>:	sub    $0x60,%rsp
   0x000000000045a717 <+23>:	xor    %ebx,%ebx
   0x000000000045a719 <+25>:	xor    %ebx,%ebx
   0x000000000045a71b <+27>:	mov    %rbx,0x98(%rsp)
   0x000000000045a723 <+35>:	mov    %rbx,0xa0(%rsp)
   0x000000000045a72b <+43>:	mov    0x14440e(%rip),%rax        # 0x59eb40 <go.itab.*os.File.io.Writer>
   0x000000000045a732 <+50>:	xor    %ebp,%ebp
   0x000000000045a734 <+52>:	cmp    %rbp,%rax
   0x000000000045a737 <+55>:	je     0x45a7c0 <fmt.Printf+192>
   0x000000000045a73d <+61>:	mov    0x129b5c(%rip),%rcx        # 0x5842a0 <os.Stdout>
   0x000000000045a744 <+68>:	mov    %rax,0x50(%rsp)
   0x000000000045a749 <+73>:	mov    %rax,(%rsp)
   0x000000000045a74d <+77>:	mov    %rcx,0x58(%rsp)
   0x000000000045a752 <+82>:	mov    %rcx,0x8(%rsp)
   0x000000000045a757 <+87>:	mov    0x68(%rsp),%rbx
   0x000000000045a75c <+92>:	mov    %rbx,0x10(%rsp)
   0x000000000045a761 <+97>:	mov    0x70(%rsp),%rbx
   0x000000000045a766 <+102>:	mov    %rbx,0x18(%rsp)
   0x000000000045a76b <+107>:	mov    0x78(%rsp),%rbx
   0x000000000045a770 <+112>:	mov    %rbx,0x20(%rsp)
   0x000000000045a775 <+117>:	mov    0x80(%rsp),%rbx
   0x000000000045a77d <+125>:	mov    %rbx,0x28(%rsp)
   0x000000000045a782 <+130>:	mov    0x88(%rsp),%rbx
   0x000000000045a78a <+138>:	mov    %rbx,0x30(%rsp)
   0x000000000045a78f <+143>:	callq  0x45a600 <fmt.Fprintf>
   0x000000000045a794 <+148>:	mov    0x38(%rsp),%rdx
   0x000000000045a799 <+153>:	mov    0x40(%rsp),%rcx
   0x000000000045a79e <+158>:	mov    0x48(%rsp),%rax
   0x000000000045a7a3 <+163>:	mov    %rdx,0x90(%rsp)
   0x000000000045a7ab <+171>:	mov    %rcx,0x98(%rsp)
   0x000000000045a7b3 <+179>:	mov    %rax,0xa0(%rsp)
   0x000000000045a7bb <+187>:	add    $0x60,%rsp
   0x000000000045a7bf <+191>:	retq   
   0x000000000045a7c0 <+192>:	lea    0x96c19(%rip),%rbx        # 0x4f13e0
   0x000000000045a7c7 <+199>:	mov    %rbx,(%rsp)
   0x000000000045a7cb <+203>:	lea    0x7bfee(%rip),%rbx        # 0x4d67c0
   0x000000000045a7d2 <+210>:	mov    %rbx,0x8(%rsp)
   0x000000000045a7d7 <+215>:	lea    0x144362(%rip),%rbx        # 0x59eb40 <go.itab.*os.File.io.Writer>
   0x000000000045a7de <+222>:	mov    %rbx,0x10(%rsp)
   0x000000000045a7e3 <+227>:	callq  0x40b9f0 <runtime.typ2Itab>
   0x000000000045a7e8 <+232>:	mov    0x18(%rsp),%rax
   0x000000000045a7ed <+237>:	jmpq   0x45a73d <fmt.Printf+61>
   0x000000000045a7f2 <+242>:	callq  0x453260 <runtime.morestack_noctxt>
   0x000000000045a7f7 <+247>:	jmpq   0x45a700 <fmt.Printf>
   0x000000000045a7fc <+252>:	int3   
   0x000000000045a7fd <+253>:	int3   
   0x000000000045a7fe <+254>:	int3   
   0x000000000045a7ff <+255>:	int3   
End of assembler dump.
(gdb) info registers
rax            0xc82000e3e0	859530388448
rbx            0x1	1
rcx            0x4b31c0	4927936
rdx            0xc82000e3e0	859530388448
rsi            0xc82003df30	859530583856
rdi            0xc82000e3e0	859530388448
rbp            0x18	0x18
rsp            0xc82003de98	0xc82003de98
r8             0x8f8234	9404980
r9             0x0	0
r10            0xc82000e3e0	859530388448
r11            0x0	0
r12            0x2	2
r13            0x52a404	5415940
r14            0x1	1
r15            0x8	8
rip            0x45a700	0x45a700 <fmt.Printf>
eflags         0x246	[ PF ZF IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0


evan@azrael ~/g/s/c/rpc/muttley (increase_file_limit) $ cat /proc/12207/maps
00400000-004ab000 r-xp 00000000 fd:02 19923600                           /home/evan/foo
004ab000-00580000 r--p 000ab000 fd:02 19923600                           /home/evan/foo
00580000-00585000 rw-p 00180000 fd:02 19923600                           /home/evan/foo
00585000-005a4000 rw-p 00000000 00:00 0                                  [heap]
c000000000-c000001000 rw-p 00000000 00:00 0 
c81fff8000-c820100000 rw-p 00000000 00:00 0 
7ffff7f6b000-7ffff7ffb000 rw-p 00000000 00:00 0 
7ffff7ffb000-7ffff7ffd000 r--p 00000000 00:00 0                          [vvar]
7ffff7ffd000-7ffff7fff000 r-xp 00000000 00:00 0                          [vdso]
7ffffffde000-7ffffffff000 rw-p 00000000 00:00 0                          [stack]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]