CPP / C++ - Debuggers

/x  hexadecimal       /f  float
/o  octal               /a  address
/d  decimal             /i  instruction
/u  unsigned decimal  /c  char
/t  binary              /s  string

$ tty
/dev/pts/3

>>> file program.bin 
>>> tty /dev/pts/3
>>> start 
>>> b main 
>>> b 198
>>> c # Continue until next break point. 
>>> c  

$ g++ gdb-test.cpp -o gdb-test.bin -std=c++1z -ggdb -O0 -Wall -Wextra -pedantic

#include <iostream>
#include <cmath>
#include <memory>
#include <functional>

struct Functor{
  double a = 0.0;
  double b = 0.0;

  Functor(){};
  Functor(double aa, double bb): a(aa), b(bb) { }

  double operator()(double x) const {
    return a * x + b;
  }    
};


int factorial(int n){
    if(n <= 0) return 1;    
    return n * factorial(n - 1);
}

struct Date
{
    int year;
    int month;
    int day;

    Date(){}
    Date(int year, int month, int day)
        : year(year)
        , month(month)
        , day(day)
    { }

    // Comparison operator required by  EXPECT_EQ
    bool operator==(Date const& rhs) const
    {
        return year  == rhs.year
            && month == rhs.month
            && day   == rhs.day;
    }
    // Necessary for make class printable in GTest
    friend std::ostream& operator<<(std::ostream& os, Date const& rhs)
    {
        return os << "Date { " << rhs.year << " ; "
                  << rhs.month << " ; "
                  << rhs.day << " } ";
    }
};

Date
GregorianEasterSunday(int y)
{
        if(y < 1000)
                throw std::domain_error("Invalid year");

    int c = y / 100;
    int n = y - 19 * ( y / 19 );
    int k = ( c - 17 ) / 25;
    int i = c - c / 4 - ( c - k ) / 3 + 19 * n + 15;
    i = i - 30 * ( i / 30 );
    i = i - ( i / 28 ) * ( 1 - ( i / 28 )
          * ( 29 / ( i + 1 ) )
          * ( ( 21 - n ) / 11 ) );
    int j = y + y / 4 + i + 2 - c + c / 4;
    j = j - 7 * ( j / 7 );
    int l = i - j;
    int m = 3 + ( l + 40 ) / 44;
    int d = l + 28 - 31 * ( m / 4 );
    return Date(y, m, d);
}

int main(int argc, char** argv)
{
  auto f1 = Functor(3, 5);
  auto f2 = Functor(6, 10);

  std::cout << "f1(5) = " << f1(5.0) << std::endl;
  std::cout << "f1(7) = " << f1(7.0) << std::endl;
  std::cout << "f1(8) = " << f1(8.0) << std::endl;

  std::cout << "f2(5) = " << f2(5.0) << std::endl;
  std::cout << "f2(7) = " << f2(7.0) << std::endl;
  std::cout << "f2(8) = " << f2(8.0) << std::endl;

  std::puts("=========================================");

  // EXPECT_EQ(Date(2005, 3, 27), GregorianEasterSunday(2005));
  // EXPECT_EQ(Date(2008, 3, 23), GregorianEasterSunday(2008));
  // EXPECT_EQ(Date(2010, 4, 4),  GregorianEasterSunday(2010));
  Date dt;

  dt = GregorianEasterSunday(2010);
  std::cout << " GregorianEasterSunday(2010)  = " << dt << std::endl;

  dt = GregorianEasterSunday(2008);
  std::cout << " GregorianEasterSunday(208)  = " << dt << std::endl;

  int y;
  while(true) {   
     std::cout << " => Enter a year: ";
     std::cin >> y;
     auto date = GregorianEasterSunday(y);
     std::cout << " Gregorian Easter Monday is: " << date << "\n";
  }


  return 0;
}

$ gdb -q --nh --nx --args ./gdb-test.bin arg0 arg1 arg2

(gdb) i
"info" must be followed by the name of an info command.
List of info subcommands:

info address -- Describe where symbol SYM is stored
info all-registers -- List of all registers and their contents
info args -- Argument variables of current stack frame
info auto-load -- Print current status of auto-loaded files
info auxv -- Display the inferior's auxiliary vector
info bookmarks -- Status of user-settable bookmarks

 ... ... ... ... .... 

(gdb) i proc
process 840
warning: target file /proc/840/cmdline contained unexpected null characters
cmdline = '/home/archbox/projects/gdb-test.bin'
cwd = '/home/archbox/projects'
exe = '/home/archbox/projects/gdb-test.bin'
(gdb) 

(gdb) show env
GS_LIB=
QTINC=/usr/lib64/qt-3.3/include
KDE_FULL_SESSION=true
LC_ALL=en_US.UTF-8
LD_LIBRARY_PATH=:/home/archbox/opt/root/lib:/home/archbox/opt/cling_2018-09-16_fedora27/lib/:/home/archbox/opt/root/lib:/home/archbox/opt/cling_2018-09-16_fedora27/lib/
TERMINATOR_UUID=urn:uuid:34feab2a-6587-41dc-9901-b355f3144d59
XDG_MENU_PREFIX=kf5-
MODULES_RUN_QUARANTINE=LD_LIBRARY_PATH
LANG=en_CA.UTF-8
 ... ...  ... ...  ... ...  ... ...  ... ...  ... ... 
 ... ...  ... ...  ... ...  ... ...  ... ...  ... ... 

(gdb) i sharedlibrary 
From                To                  Syms Read   Shared Object Library
0x00007ffff7dd6f60  0x00007ffff7df50d0  Yes (*)     /lib64/ld-linux-x86-64.so.2
0x00007ffff7ad0630  0x00007ffff7b867fe  Yes (*)     /lib64/libstdc++.so.6
0x00007ffff76bb9f0  0x00007ffff776deda  Yes (*)     /lib64/libm.so.6
0x00007ffff749aad0  0x00007ffff74ab735  Yes (*)     /lib64/libgcc_s.so.1
0x00007ffff70fb3a0  0x00007ffff7241eaf  Yes (*)     /lib64/libc.so.6
(*): Shared library is missing debugging information.

(gdb) i file

Symbols from "/home/archbox/projects/gdb-test.bin".
Native process:
        Using the running image of child process 24301.
        While running this, GDB does not access memory from...
Local exec file:
        `/home/archbox/projects/gdb-test.bin', file type elf64-x86-64.
        Entry point: 0x400b20
        0x0000000000400238 - 0x0000000000400254 is .interp
        0x0000000000400254 - 0x0000000000400274 is .note.ABI-tag
        0x0000000000400274 - 0x0000000000400298 is .note.gnu.build-id
        0x0000000000400298 - 0x00000000004002d8 is .gnu.hash
      ... ... ... ... ... ... ... ... ... ... ... 
    ... ... ... ... ... ... ... ... ... ... ... ... ... 

        0x00007ffff74921a0 - 0x00007ffff7493860 is .data in /lib64/libc.so.6
        0x00007ffff7493860 - 0x00007ffff7497ae0 is .bss in /lib64/libc.so.6

(gdb) i function factorial
All functions matching regular expression "factorial":

File gdb-test.cpp:
int factorial(int);
static void _GLOBAL__sub_I__Z9factoriali();

(gdb) i variable environ
All variables matching regular expression "environ":

Non-debugging symbols:
0x00007ffff7ffe0c8  __environ
0x00007ffff7ffe0c8  _environ
0x00007ffff7ffe0c8  environ
0x00007ffff7493d58  last_environ
0x00007ffff7495080  __environ
0x00007ffff7495080  _environ
0x00007ffff7495080  environ

(gdb) i sources
Source files for which symbols have been read in:

/home/archbox/projects/gdb-test.cpp, /usr/include/c++/8/iostream, /usr/include/c++/8/cwchar, 
/usr/include/c++/8/new, /usr/include/c++/8/bits/exception_ptr.h, /usr/include/c++/8/type_traits, 
/usr/include/c++/8/x86_64-redhat-linux/bits/c++config.h, /usr/include/c++/8/bits/stl_pair.h, 

... ... ... ... ... ... ... ... ... ... ... ... ... ... 

(gdb) disas factorial
Dump of assembler code for function factorial(int):
   0x0000000000400c06 <+0>:     push   %rbp
   0x0000000000400c07 <+1>:     mov    %rsp,%rbp
   0x0000000000400c0a <+4>:     sub    $0x10,%rsp
   0x0000000000400c0e <+8>:     mov    %edi,-0x4(%rbp)
   0x0000000000400c11 <+11>:    cmpl   $0x0,-0x4(%rbp)
... ... ... ... ... ... ... ... ... ... ... ... 
   0x0000000000400c24 <+30>:    mov    %eax,%edi
   0x0000000000400c26 <+32>:    callq  0x400c06 <factorial(int)>
   0x0000000000400c2b <+37>:    imul   -0x4(%rbp),%eax
   0x0000000000400c2f <+41>:    leaveq 
   0x0000000000400c30 <+42>:    retq   
End of assembler dump.

(gdb) disas /m factorial
Dump of assembler code for function factorial(int):
20      int factorial(int n){
   0x0000000000400c06 <+0>:     push   %rbp
   0x0000000000400c07 <+1>:     mov    %rsp,%rbp
   0x0000000000400c0a <+4>:     sub    $0x10,%rsp
   0x0000000000400c0e <+8>:     mov    %edi,-0x4(%rbp)

21          if(n <= 0) return 1;        
   0x0000000000400c11 <+11>:    cmpl   $0x0,-0x4(%rbp)
   0x0000000000400c15 <+15>:    jg     0x400c1e <factorial(int)+24>
   0x0000000000400c17 <+17>:    mov    $0x1,%eax
   0x0000000000400c1c <+22>:    jmp    0x400c2f <factorial(int)+41>

22          return n * factorial(n - 1);
   0x0000000000400c1e <+24>:    mov    -0x4(%rbp),%eax
   0x0000000000400c21 <+27>:    sub    $0x1,%eax
   0x0000000000400c24 <+30>:    mov    %eax,%edi
   0x0000000000400c26 <+32>:    callq  0x400c06 <factorial(int)>
   0x0000000000400c2b <+37>:    imul   -0x4(%rbp),%eax

23      }
   0x0000000000400c2f <+41>:    leaveq 
   0x0000000000400c30 <+42>:    retq   

---Type <return> to continue, or q <return> to quit---
End of assembler dump.

(gdb) set disassembly-flavor intel  

(gdb) disas /m factorial
Dump of assembler code for function factorial(int):
20      int factorial(int n){
   0x0000000000400c06 <+0>:     push   rbp
   0x0000000000400c07 <+1>:     mov    rbp,rsp
   0x0000000000400c0a <+4>:     sub    rsp,0x10
   0x0000000000400c0e <+8>:     mov    DWORD PTR [rbp-0x4],edi

21          if(n <= 0) return 1;        
   0x0000000000400c11 <+11>:    cmp    DWORD PTR [rbp-0x4],0x0
   0x0000000000400c15 <+15>:    jg     0x400c1e <factorial(int)+24>
   0x0000000000400c17 <+17>:    mov    eax,0x1
   0x0000000000400c1c <+22>:    jmp    0x400c2f <factorial(int)+41>

22          return n * factorial(n - 1);
   0x0000000000400c1e <+24>:    mov    eax,DWORD PTR [rbp-0x4]
   0x0000000000400c21 <+27>:    sub    eax,0x1
   0x0000000000400c24 <+30>:    mov    edi,eax
   0x0000000000400c26 <+32>:    call   0x400c06 <factorial(int)>
   0x0000000000400c2b <+37>:    imul   eax,DWORD PTR [rbp-0x4]

23      }
   0x0000000000400c2f <+41>:    leave  
   0x0000000000400c30 <+42>:    ret    

---Type <return> to continue, or q <return> to quit---
End of assembler dump.

(gdb) r
Starting program: /home/archbox/projects/gdb-test.bin arg0 arg1 arg2

f1(5) = 20
f1(7) = 26
f1(8) = 29
f2(5) = 40
f2(7) = 52
f2(8) = 58
=========================================
 GregorianEasterSunday(2010)  = Date { 2010 ; 4 ; 4 } 
 GregorianEasterSunday(208)  = Date { 2008 ; 3 ; 23 } 
 => Enter a year: 2010
 Gregorian Easter Monday is: Date { 2010 ; 4 ; 4 } 
 => Enter a year: 2014
 Gregorian Easter Monday is: Date { 2014 ; 4 ; 20 } 
 => Enter a year: 2015
 Gregorian Easter Monday is: Date { 2015 ; 4 ; 5 } 
 => Enter a year: 0
terminate called after throwing an instance of 'std::domain_error'
  what():  Invalid year

(gdb) bt
#0  0x00007ffff7110efb in raise () from /lib64/libc.so.6
#1  0x00007ffff70fb5b9 in abort () from /lib64/libc.so.6
#2  0x00007ffff7ad0b3b in __gnu_cxx::__verbose_terminate_handler() [clone .cold.1] ()
   from /lib64/libstdc++.so.6
#3  0x00007ffff7ad6fac in __cxxabiv1::__terminate(void (*)()) () from /lib64/libstdc++.so.6
#4  0x00007ffff7ad7007 in std::terminate() () from /lib64/libstdc++.so.6
#5  0x00007ffff7ad7268 in __cxa_throw () from /lib64/libstdc++.so.6
#6  0x0000000000400c74 in GregorianEasterSunday (y=0) at gdb-test.cpp:58
#7  0x0000000000401134 in main (argc=4, argv=0x7fffffffc668) at gdb-test.cpp:106
(gdb) 

(gdb) ! clear

(gdb) b main
Breakpoint 1 at 0x400ecc: file gdb-test.cpp, line 78.

(gdb) b 80
Breakpoint 3 at 0x400f04: file gdb-test.cpp, line 80.

(gdb) b 102
Breakpoint 4 at 0x40110a: file gdb-test.cpp, line 102.

(gdb) b gdb-test.cpp:88
Breakpoint 5 at 0x401066: file gdb-test.cpp, line 88.

(gdb) i b
Num     Type           Disp Enb Address            What
1       breakpoint     keep y   0x0000000000400ecc in main(int, char**) at gdb-test.cpp:78
        breakpoint already hit 1 time
2       breakpoint     keep y   0x0000000000400ecc in main(int, char**) at gdb-test.cpp:78
        breakpoint already hit 1 time
3       breakpoint     keep y   0x0000000000400f04 in main(int, char**) at gdb-test.cpp:80
4       breakpoint     keep y   0x000000000040110a in main(int, char**) at gdb-test.cpp:102
5       breakpoint     keep y   0x0000000000401066 in main(int, char**) at gdb-test.cpp:88

(gdb) r arg0 arg1 arg2 arg3

The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: /home/archbox/projects/gdb-test.bin arg0 arg1 arg2 arg3

Breakpoint 1, main (argc=5, argv=0x7fffffffc658) at gdb-test.cpp:78
78        auto f1 = Functor(3, 5);

(gdb) where
#0  main (argc=5, argv=0x7fffffffc658) at gdb-test.cpp:78

(gdb) i frame
Stack level 0, frame at 0x7fffffffc580:
 rip = 0x400ecc in main (gdb-test.cpp:78); saved rip = 0x7ffff70fd11b
 source language c++.
 Arglist at 0x7fffffffc570, args: argc=5, argv=0x7fffffffc658
 Locals at 0x7fffffffc570, Previous frame's sp is 0x7fffffffc580
 Saved registers:
  rbx at 0x7fffffffc568, rbp at 0x7fffffffc570, rip at 0x7fffffffc578

(gdb) i args
argc = 5
argv = 0x7fffffffc658

(gdb) p argv[0]
$1 = 0x7fffffffcb0d "/home/archbox/projects/gdb-test.bin"

(gdb) p argv[1]
$2 = 0x7fffffffcb31 "arg0"

(gdb) p argv[2]
$3 = 0x7fffffffcb36 "arg1"

(gdb) p argv[3]
$4 = 0x7fffffffcb3b "arg2"

(gdb) p argv[4]
$5 = 0x7fffffffcb40 "arg3"

(gdb) i locals
f1 = {a = 2.0746567448655621e-317, b = 2.0736686135738796e-317}
f2 = {a = 6.9533490676080666e-310, b = 0}
dt = {year = 0, month = 4199221, day = 0}
y = 2

(gdb) i reg
rax            0x400ebc 4198076
rbx            0x0      0
rcx            0xa0     160
rdx            0x7fffffffc688   140737488340616
rsi            0x7fffffffc658   140737488340568
rdi            0x5      5
rbp            0x7fffffffc570   0x7fffffffc570
rsp            0x7fffffffc510   0x7fffffffc510
r8             0x7ffff7493d80   140737342160256
r9             0x0      0
r10            0xfffffffffffff70d       -2291
r11            0x7ffff7113a60   140737338489440
r12            0x400b20 4197152
r13            0x7fffffffc650   140737488340560
r14            0x0      0
r15            0x0      0
rip            0x400ecc 0x400ecc <main(int, char**)+16>
eflags         0x202    [ IF ]
cs             0x33     51
ss             0x2b     43
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0

(gdb) n
79        auto f2 = Functor(6, 10);
(gdb) n

Breakpoint 3, main (argc=5, argv=0x7fffffffc658) at gdb-test.cpp:81
81        std::cout << "f1(5) = " << f1(5.0) << std::endl;
(gdb) 
f1(5) = 20
82        std::cout << "f1(7) = " << f1(7.0) << std::endl;
(gdb) 

(gdb) c
Continuing.
f1(7) = 26
f1(8) = 29
f2(5) = 40
f2(7) = 52
f2(8) = 58

Breakpoint 5, main (argc=5, argv=0x7fffffffc658) at gdb-test.cpp:89
89        std::puts("=========================================");
(gdb) 

(gdb) where
#0  main (argc=5, argv=0x7fffffffc658) at gdb-test.cpp:89

(gdb) i locals

f1 = {a = 3, b = 5}
f2 = {a = 6, b = 10}
dt = {year = 0, month = 4199221, day = 0}
y = 2

(gdb) watch dt
Hardware watchpoint 6: dt

(gdb) i watchpoints
Num     Type           Disp Enb Address            What
6       hw watchpoint  keep y                      dt
        breakpoint already hit 4 times
(gdb) 

(gdb) n
 GregorianEasterSunday(2010)  = Date { 2010 ; 4 ; 4 } 
99        dt = GregorianEasterSunday(2008);
(gdb) n

Hardware watchpoint 6: dt

Old value = {year = 2010, month = 4, day = 4}
New value = {year = 2008, month = 3, day = 4}
0x00000000004010d1 in main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:99
99        dt = GregorianEasterSunday(2008);
(gdb) n

Hardware watchpoint 6: dt

Old value = {year = 2008, month = 3, day = 4}
New value = {year = 2008, month = 3, day = 23}
main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:100
100       std::cout << " GregorianEasterSunday(208)  = " << dt << std::endl;
(gdb) n
 GregorianEasterSunday(208)  = Date { 2008 ; 3 ; 23 } 

Breakpoint 4, main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:104
104               std::cout << " => Enter a year: ";
(gdb) 

(gdb) c
Continuing.
 => Enter a year: 2010
 Gregorian Easter Monday is: Date { 2010 ; 4 ; 4 } 

Breakpoint 4, main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:104
104               std::cout << " => Enter a year: ";
(gdb) c
Continuing.
 => Enter a year: 2012
 Gregorian Easter Monday is: Date { 2012 ; 4 ; 8 } 

Breakpoint 4, main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:104
104               std::cout << " => Enter a year: ";
(gdb) c
Continuing.
 => Enter a year: 234
terminate called after throwing an instance of 'std::domain_error'
  what():  Invalid year

Program received signal SIGABRT, Aborted.
0x00007ffff7110efb in raise () from /lib64/libc.so.6
(gdb) 

(gdb) bt
#0  0x00007ffff7110efb in raise () from /lib64/libc.so.6
#1  0x00007ffff70fb5b9 in abort () from /lib64/libc.so.6
#2  0x00007ffff7ad0b3b in __gnu_cxx::__verbose_terminate_handler() [clone .cold.1] ()
   from /lib64/libstdc++.so.6
#3  0x00007ffff7ad6fac in __cxxabiv1::__terminate(void (*)()) () from /lib64/libstdc++.so.6
#4  0x00007ffff7ad7007 in std::terminate() () from /lib64/libstdc++.so.6
#5  0x00007ffff7ad7268 in __cxa_throw () from /lib64/libstdc++.so.6
#6  0x0000000000400c74 in GregorianEasterSunday (y=234) at gdb-test.cpp:58
#7  0x0000000000401134 in main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:106

(gdb) delete 1 2 3 4 5 6 

(gdb) b main
Breakpoint 7 at 0x400ecc: file gdb-test.cpp, line 78.

(gdb) b GregorianEasterSunday 
Breakpoint 8 at 0x400c3f: file gdb-test.cpp, line 57.


(gdb) i b
Num     Type           Disp Enb Address            What
7       breakpoint     keep y   0x0000000000400ecc in main(int, char**) at gdb-test.cpp:78
8       breakpoint     keep y   0x0000000000400c3f in GregorianEasterSunday(int) at gdb-test.cpp:57

(gdb) r 
Breakpoint 7, main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:78
78        auto f1 = Functor(3, 5);

(gdb) p f1
$6 = {a = 3, b = 5}

(gdb) p f2
$7 = {a = 6, b = 10}

(gdb) ptype f1
type = struct Functor {
    double a;
    double b;
  public:
    Functor(void);
    Functor(double, double);
    double operator()(double) const;
}

(gdb) ptype dt
type = struct Date {
    int year;
    int month;
    int day;
  public:
    Date(void);
    Date(int, int, int);
    bool operator==(const Date &) const;
}

(gdb) p f1
$22 = {a = 3, b = 5}

(gdb) call f1(10)
Invalid data type for function to be called.

(gdb) call f1.operator()(10)
$20 = 35

(gdb) call f1.operator()(2.56)
$21 = 12.68

(gdb) call f1.operator()(10)
$23 = 95.97999999999999

(gdb) call f1.operator()(5)
$24 = 43.364999999999995
(gdb) 

(gdb) call factorial(4)
$8 = 24

(gdb) call factorial(6)
$9 = 720

(gdb) call factorial(10)
$10 = 3628800

 (gdb) i b
 Num     Type           Disp Enb Address            What
 7       breakpoint     keep y   0x0000000000400ecc in main(int, char**) at gdb-test.cpp:78
         breakpoint already hit 1 time
 8       breakpoint     keep y   0x0000000000400c3f in GregorianEasterSunday(int) at gdb-test.cpp:57
         breakpoint already hit 1 time

(gdb) disable 8

(gdb) call GregorianEasterSunday(2010)
$11 = {year = 2010, month = 4, day = 4}

(gdb) call GregorianEasterSunday(1995)
$12 = {year = 1995, month = 4, day = 16}

(gdb) set $date_object = GregorianEasterSunday(1998)

(gdb) p $date_object
$13 = {year = 1998, month = 4, day = 12}
(gdb) p $date_object.year
$14 = 1998

(gdb) p $date_object.month
$15 = 4

(gdb) p $date_object.day
$16 = 12

(gdb) enable 8

(gdb) c
Continuing.
f1(5) = 43.365
f1(7) = 64.411
f1(8) = 74.934
f2(5) = 40
f2(7) = 52
f2(8) = 58
=========================================

Breakpoint 8, GregorianEasterSunday (y=2010) at gdb-test.cpp:57
57              if(y < 1000)
(gdb) 

(gdb) where
#0  GregorianEasterSunday (y=2010) at gdb-test.cpp:57
#1  0x0000000000401086 in main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:96

(gdb) list
52      };
53      
54      Date
55      GregorianEasterSunday(int y)
56      {
57              if(y < 1000)
58                      throw std::domain_error("Invalid year");
59              
60          int c = y / 100;
61          int n = y - 19 * ( y / 19 );
(gdb) 

(gdb) i frame

Stack level 0, frame at 0x7fffffffc500:
 rip = 0x400c3f in GregorianEasterSunday (gdb-test.cpp:57); saved rip = 0x401086
 called by frame at 0x7fffffffc570
 source language c++.
 Arglist at 0x7fffffffc4f0, args: y=2010
 Locals at 0x7fffffffc4f0, Previous frame's sp is 0x7fffffffc500
 Saved registers:
  rbx at 0x7fffffffc4e0, rbp at 0x7fffffffc4f0, r12 at 0x7fffffffc4e8, rip at 0x7fffffffc4f8

(gdb) i args
y = 2010

(gdb) i locals
c = 0
n = 6299840
k = 0
i = 4197152
j = 32767
l = -149635822
m = 0
d = 4199368
(gdb) 

(gdb) watch i
Hardware watchpoint 16: i

(gdb) watch j
Hardware watchpoint 17: j
(gdb) 

(gdb) i locals
c = 20
n = 15
k = 0
i = 9
j = 2
l = 7
m = 4
d = 4

(gdb) catch throw
Catchpoint 18 (throw)

(gdb) i b
Num     Type           Disp Enb Address            What
7       breakpoint     keep y   0x0000000000400ecc in main(int, char**) at gdb-test.cpp:78
        breakpoint already hit 1 time
8       breakpoint     keep y   0x0000000000400c3f in GregorianEasterSunday(int) at gdb-test.cpp:57
        breakpoint already hit 1 time
16      hw watchpoint  keep y                      i
        breakpoint already hit 2 times
17      hw watchpoint  keep y                      j
        breakpoint already hit 2 times
18      breakpoint     keep y   0x00007ffff7ad7231 exception throw

(gdb) delete 7 8 16 17

(gdb) b main
Breakpoint 19 at 0x400ecc: file gdb-test.cpp, line 78.

(gdb) r
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Breakpoint 19, main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:78
78        auto f1 = Functor(3, 5);

(gdb) jump 101
Continuing at 0x40110a.
 => Enter a year: 2010
 Gregorian Easter Monday is: Date { 2010 ; 4 ; 4 } 
 => Enter a year: 1995
 Gregorian Easter Monday is: Date { 1995 ; 4 ; 16 } 
 => Enter a year: 253

Catchpoint 18 (exception thrown), 0x00007ffff7ad7231 in __cxa_throw () from /lib64/libstdc++.so.6
(gdb) 

(gdb) bt
#0  0x00007ffff7ad7231 in __cxa_throw () from /lib64/libstdc++.so.6
#1  0x0000000000400c74 in GregorianEasterSunday (y=253) at gdb-test.cpp:58
#2  0x0000000000401134 in main (argc=6, argv=0x7fffffffc648) at gdb-test.cpp:106

(gdb) list main
242         DBG_TRACE("Registered static objects OK.");
243         TypeDB::func("functionTest1", functionTest1);
244         TypeDB::classn<CashFlow>("CashFlow");
245     });
246 
247 int main(){
248 
249     // TypeDB::func("functionTest1", functionTest1);
250     // TypeDB::classn<CashFlow>("CashFlow");    
251     

(gdb) list typedb_call_function_void
370     return new std::any(pFunc->call(*args));
371 }
372 
373 extern "C"
374 auto typedb_call_function_void(const char* name, HArgTuple hArgs) -> void 
375 {
376     auto args = reinterpret_cast<ArgTuple*>(hArgs);
377     std::cerr << " [INFO] Enter function = typedb_call_function_void " << std::endl;
378     TypeDB::FactoryMap& db = TypeDB::getDatabase();
379 
(gdb) 

(gdb) p /s  (const char*) 0x7ffff7e7ad14 
$13 = 0x7ffff7e7ad14 "Some C++ is not bad at all"
(gdb)

(gdb) x /s 0x7ffff7e7ad14
0x7ffff7e7ad14: "Some C++ is not bad at all"
(gdb) 

(gdb) p pFunc
$6 = (IMathFunction *) 0x61eb00

(gdb) p pFunc->Name()
$7 = 0x7ffff6cce61e "Log"

(gdb) p pFunc->Eval(4.5)
$8 = 1.5040773967762742

(gdb) p pFunc->Eval(10)
$9 = 2.3025850929940459

(gdb) ptype pFunc
type = class IMathFunction : public IQueryInterface {
  public:
    virtual const char * Name(void) const;
    virtual double Eval(double) const;
    ~IMathFunction();
} *

(gdb) i vtbl pFunc
vtable for 'IMathFunction' @ 0x7ffff6ed2a90 (subobject @ 0x61eb00):
[0]: 0x7ffff6cc9ebc <Log::~Log()>
[1]: 0x7ffff6cc9f50 <Log::~Log()>
[2]: 0x7ffff6cc9f82 <Log::ClassName() const>
[3]: 0x7ffff6cc9f9a <Log::QueryInterface(unsigned int)>
[4]: 0x7ffff6cc9fda <Log::Name() const>
[5]: 0x7ffff6cc9fec <Log::Eval(double) const>

(gdb) info vtbl pFunc
vtable for 'IMathFunction' @ 0x7ffff6ed2a90 (subobject @ 0x61eb00):
[0]: 0x7ffff6cc9ebc <Log::~Log()>
[1]: 0x7ffff6cc9f50 <Log::~Log()>
[2]: 0x7ffff6cc9f82 <Log::ClassName() const>
[3]: 0x7ffff6cc9f9a <Log::QueryInterface(unsigned int)>
[4]: 0x7ffff6cc9fda <Log::Name() const>
[5]: 0x7ffff6cc9fec <Log::Eval(double) const>

extern "C"
auto VariantArgs_add_cchar(ArgTuple* ptr, const char* text) -> void
{
   // auto ptr = reinterpret_cast<ArgTuple*>(hnd);
   ptr->push_back(text);
}

(gdb) n
Single stepping until exit from function PyEval_EvalFrameEx,
which has no line number information.

Breakpoint 2, VariantArgs_add_cchar (ptr=0x5555557e67e0, text=0x7ffff7e7ad14 "Some C++ is not bad at all") at init.cpp:342
342             ptr->push_back(text);

(gdb) info args
ptr = 0x5555557e67e0
text = 0x7ffff7e7ad14 "Some C++ is not bad at all"

(gdb) i args
ptr = 0x5555557e67e0
text = 0x7ffff7e7ad14 "Some C++ is not bad at all"
(gdb)

gdb) p *ptr
$9 = std::vector of length 2, capacity 3 = {std::any containing int = {
    [contained value] = 3
  }, std::any containing double = {
    [contained value] = 15.68
  }}
(gdb) p ptr->operator[](0)
$10 = std::any containing int = {
  [contained value] = 3
}

(gdb) p ptr->operator[](1)
$11 = std::any containing double = {
  [contained value] = 15.68
}

(gdb) p ptr->operator[](2)
$12 = Python Exception <class 'RuntimeError'> Cannot locate object file for block.: 
Python Exception <class 'RuntimeError'> Cannot locate object file for block.: 
{
  _M_manager = 0x5b64015a64360159, 
  _M_storage = {
    _M_ptr = 0x15c64015a643601, 
    _M_buffer = {
      __data = "\001\066dZ\001d\\\001", 
      __align = {<No data fields>}
    }
  }
}
(gdb) 

(gdb) i signals
Signal        Stop      Print   Pass to program Description

SIGHUP        Yes       Yes     Yes             Hangup
SIGINT        Yes       Yes     No              Interrupt
SIGQUIT       Yes       Yes     Yes             Quit
SIGILL        Yes       Yes     Yes             Illegal instruction
SIGTRAP       Yes       Yes     No              Trace/breakpoint trap
SIGABRT       Yes       Yes     Yes             Aborted
SIGEMT        Yes       Yes     Yes             Emulation trap
SIGFPE        Yes       Yes     Yes             Arithmetic exception
SIGKILL       Yes       Yes     Yes             Killed
SIGBUS        Yes       Yes     Yes             Bus error
SIGSEGV       Yes       Yes     Yes             Segmentation fault
SIGTTOU       Yes       Yes     Yes             Stopped (tty output)
SIGIO         No        No      Yes             I/O possible
...   ...   ...   ...   ...   ...   ...   ...   ... 

SIG126        Yes       Yes     Yes             Real-time event 126
SIG127        Yes       Yes     Yes             Real-time event 127
SIGINFO       Yes       Yes     Yes             Information request
EXC_BAD_ACCESS Yes      Yes     Yes             Could not access memory
EXC_BAD_INSTRUCTION Yes Yes     Yes             Illegal instruction/operand
EXC_ARITHMETIC Yes      Yes     Yes             Arithmetic exception
EXC_EMULATION Yes       Yes     Yes             Emulation instruction
EXC_SOFTWARE  Yes       Yes     Yes             Software generated exception
EXC_BREAKPOINT Yes      Yes     Yes             Breakpoint
SIGLIBRT      No        No      Yes             librt internal signal

gdb) i share
From                To                  Syms Read   Shared Object Library
0x00007ffff7dd6f60  0x00007ffff7df5080  Yes         /lib64/ld-linux-x86-64.so.2
0x00007ffff79d15d0  0x00007ffff7b15a60  Yes (*)     /lib64/libpython2.7.so.1.0
0x00007ffff7776be0  0x00007ffff77848b1  Yes         /lib64/libpthread.so.0
0x00007ffff756dee0  0x00007ffff756ebbe  Yes         /lib64/libdl.so.2
0x00007ffff736ae80  0x00007ffff736b7a8  Yes         /lib64/libutil.so.1
0x00007ffff6fe19f0  0x00007ffff7093e6a  Yes         /lib64/libm.so.6
0x00007ffff6c383a0  0x00007ffff6d7f11f  Yes         /lib64/libc.so.6
0x00007ffff6a12ab0  0x00007ffff6a143f9  Yes (*)     /usr/lib64/python2.7/lib-dynload/_localemodule.so
0x00007fffeeb67260  0x00007fffeeb74b23  Yes (*)     /usr/lib64/python2.7/lib-dynload/_ctypes.so
0x00007fffee958810  0x00007fffee95d29a  Yes (*)     /lib64/libffi.so.6
0x00007fffee74d970  0x00007fffee75291d  Yes (*)     /usr/lib64/python2.7/lib-dynload/_struct.so
0x00007fffee539520  0x00007fffee542b2e  Yes         typesdb.so
0x00007fffee21d590  0x00007fffee2d391e  Yes         /lib64/libstdc++.so.6
0x00007fffedf7bad0  0x00007fffedf8c6f5  Yes         /lib64/libgcc_s.so.1
(*): Shared library is missing debugging information.
(gdb) 

(gdb) shell uname -r
4.19.16-200.fc28.x86_64
(gdb) 

(gdb) shell ls
core.11767  init.bin  script.gdb  typeInfo.cpp
gdb.txt     init.cpp  test1.py    typesdb.so
(gdb) 

$ sudo dnf debuginfo-install python2-2.7.15-4.fc28.x86_64

$ sudo dnf debuginfo-install python2-2.7.15-4.fc28.x86_64
[sudo] password for archbox: 
enabling updates-debuginfo repository
enabling fedora-debuginfo repository
enabling rpmfusion-free-updates-debuginfo repository
enabling rpmfusion-free-debuginfo repository
enabling rpmfusion-nonfree-updates-debuginfo repository
enabling rpmfusion-nonfree-debuginfo repository
Fedora 28 - x86_64 - Updates - Debug            246 kB/s |  15 MB     01:00    
RPM Fusion for Fedora 28 - Free - Updates Debug 497 kB/s | 760 kB     00:01    
RPM Fusion for Fedora 28 - Nonfree - Updates De  14 kB/s |  61 kB     00:04    
Last metadata expiration check: 0:00:01 ago on Sun 27 Jan 2019 12:15:07 AM -03.
Dependencies resolved.
================================================================================
 Package                Arch      Version            Repository            Size
================================================================================
Installing:
 python2-debuginfo      x86_64    2.7.15-4.fc28      updates-debuginfo    6.5 M
Installing weak dependencies:
 python2-debugsource    x86_64    2.7.15-4.fc28      updates-debuginfo    2.3 M
... ....  ... ....  ... ....  ... ....  ... ....  ... ....

$ sudo dnf debuginfo-install python3-3.6.8-1.fc28.x86_64

$ gdb --silent --args python test1.py 
Reading symbols from python...Reading symbols from /usr/lib/debug/usr/bin/python2.7-2.7.15-4.fc28.x86_64.debug...done.
done.

(gdb) set logging on
Copying output to gdb.txt.
(gdb) set breakpoint pending on
(gdb) set pagination off
(gdb) set confirm off
(gdb) set print pretty on 

(gdb) b main
Breakpoint 1 at 0x810: file /usr/src/debug/python2-2.7.15-4.fc28.x86_64/Modules/python.c, line 11.

(gdb) r
Starting program: /usr/bin/python test1.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Breakpoint 1, main (argc=2, argv=0x7fffffffd2b8) at /usr/src/debug/python2-2.7.15-4.fc28.x86_64/Modules/python.c:11
11      {
(gdb) 

(gdb) where
#0  main (argc=2, argv=0x7fffffffd2b8) at /usr/src/debug/python2-2.7.15-4.fc28.x86_64/Modules/python.c:11

(gdb) list
6       #include <fenv.h>
7       #endif
8       
9       int
10      main(int argc, char **argv)
11      {
12              /* 754 requires that FP exceptions run in "no stop" mode by default,
13               * and until C vendors implement C99's ways to control FP exceptions,
14               * Python requires non-stop mode.  Alas, some platforms enable FP
15               * exceptions by default.  Here we disable them.
(gdb) 

# $ info args 
(gdb) i args
argc = 2
argv = 0x7fffffffd2b8

(gdb) p argc
$1 = 2

(gdb) p argv
$2 = (char **) 0x7fffffffd2b8

(gdb) p argv[0]
$3 = 0x7fffffffd67c "/usr/bin/python"

(gdb) p argv[1]
$4 = 0x7fffffffd68c "test1.py"
(gdb) 

(gdb) n
20              return Py_Main(argc, argv);

(gdb) n
0x00005555555547f0 in Py_Main@plt ()
(gdb) i locals
No symbol table info available.

(gdb) n
Single stepping until exit from function Py_Main@plt,
which has no line number information.
Py_Main () at /usr/src/debug/python2-2.7.15-4.fc28.x86_64/Modules/main.c:245
245     {


(gdb) list
240     
241     /* Main program */
242     
243     int
244     Py_Main(int argc, char **argv)
245     {
246         int c;
247         int sts;
248         char *command = NULL;
249         char *filename = NULL;
(gdb) 

(gdb) i args
argc = 2
argv = 0x7fffffffd2b8

(gdb) p argv[0]
$5 = 0x7fffffffd67c "/usr/bin/python"

(gdb) p argv[1]
$6 = 0x7fffffffd68c "test1.py"
(gdb) 

# $ info locals 
(gdb) i locals

c = <optimized out>
sts = <optimized out>
command = <optimized out>
filename = <optimized out>
module = <optimized out>
fp = <optimized out>
p = <optimized out>
unbuffered = <optimized out>
skipfirstline = <optimized out>
stdin_is_interactive = <optimized out>
help = <optimized out>
version = <optimized out>
saw_unbuffered_flag = <optimized out>
cf = {
  cf_flags = 0
}
(gdb) 

(gdb) n
251         FILE *fp = stdin;

(gdb) n
273         while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {

(gdb) p fp
$8 = (FILE *) 0x7ffff6fd0a00 <_IO_2_1_stdin_>

(gdb) n
290         if (!Py_HashRandomizationFlag &&
(gdb) p Py_HashRandomizationFlag 
$9 = 0

(gdb) p !Py_HashRandomizationFlag 
$10 = 1
(gdb) 

(gdb) delete 
(gdb) i b
No breakpoints or watchpoints.
(gdb)

(gdb) b PyEval_EvalFrameEx
Breakpoint 6 at 0x7ffff7af6780: file /usr/src/debug/python2-2.7.15-4.fc28.x86_64/Python/ceval.c, line 761.

(gdb) r
Starting program: /usr/bin/python test1.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Breakpoint 6, PyEval_EvalFrameEx (f=f@entry=Frame 0x7ffff7f6d050, for file /usr/lib64/python2.7/site.py, line 59, in <module> (), throwflag=throwflag@entry=0) at /usr/src/debug/python2-2.7.15-4.fc28.x86_64/Python/ceval.c:761
761     {
(gdb) 

(gdb) list

756         return PyEval_EvalFrameEx(f, 0);
757     }
758     
759     PyObject *
760     PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
761     {
762     #ifdef DYNAMIC_EXECUTION_PROFILE
763         #undef USE_COMPUTED_GOTOS
764     #endif
765     #ifdef HAVE_COMPUTED_GOTOS
(gdb) 

(gdb) n
1249            opcode = NEXTOP();

(gdb) n
1252            if (HAS_ARG(opcode))

(gdb) p opcode
$21 = 100
(gdb) n
1253                oparg = NEXTARG();

(gdb) n
1281            switch (opcode) {

(gdb) p oparg
$22 = <optimized out>

(gdb) n
1311                x = GETITEM(consts, oparg);

(gdb) n
1313                PUSH(x);

(gdb) n
1314                FAST_DISPATCH();

(gdb) p x
$23 = "Append module search paths for third-party packages to sys.path.... ... .."
(gdb) 
.. ... .. ... .. ... .. ... .. ... 

#include <iostream>
#include <cmath>
#include <memory>
#include <functional>


struct Functor{
  double a = 0.0;
  double b = 0.0;

  Functor(){};
  Functor(double aa, double bb): a(aa), b(bb) { }

  double operator()(double x) const {
    return a * x + b;
  }    
};


int factorial(int n){
    int prod = 1;
    for(int i = 1; i <= n; i++)
        prod *= i;
    return prod;
}

struct Date
{
    int year;
    int month;
    int day;
    Date(){}
    Date(int year, int month, int day)
        : year(year)
        , month(month)
        , day(day)
    { }

    // Comparison operator required by  EXPECT_EQ
    bool operator==(Date const& rhs) const
    {
        return year  == rhs.year
            && month == rhs.month
            && day   == rhs.day;
    }
    // Necessary for make class printable in GTest
    friend std::ostream& operator<<(std::ostream& os, Date const& rhs)
    {
        return os << "Date { " << rhs.year << " ; "
                  << rhs.month << " ; "
                  << rhs.day << " } ";
    }
};

Date
GregorianEasterSunday(int y)
{
    int c = y / 100;
    int n = y - 19 * ( y / 19 );
    int k = ( c - 17 ) / 25;
    int i = c - c / 4 - ( c - k ) / 3 + 19 * n + 15;
    i = i - 30 * ( i / 30 );
    i = i - ( i / 28 ) * ( 1 - ( i / 28 )
          * ( 29 / ( i + 1 ) )
          * ( ( 21 - n ) / 11 ) );
    int j = y + y / 4 + i + 2 - c + c / 4;
    j = j - 7 * ( j / 7 );
    int l = i - j;
    int m = 3 + ( l + 40 ) / 44;
    int d = l + 28 - 31 * ( m / 4 );
    return Date(y, m, d);
}


int main(int argc, char** argv)
{
  auto f1 = Functor(3, 5);
  auto f2 = Functor(6, 10);

  std::cout << "f1(5) = " << f1(5.0) << std::endl;
  std::cout << "f1(7) = " << f1(7.0) << std::endl;
  std::cout << "f1(8) = " << f1(8.0) << std::endl;

  std::cout << "f2(5) = " << f2(5.0) << std::endl;
  std::cout << "f2(7) = " << f2(7.0) << std::endl;
  std::cout << "f2(8) = " << f2(8.0) << std::endl;

  std::puts("=========================================");

  // EXPECT_EQ(Date(2005, 3, 27), GregorianEasterSunday(2005));
  // EXPECT_EQ(Date(2008, 3, 23), GregorianEasterSunday(2008));
  // EXPECT_EQ(Date(2010, 4, 4),  GregorianEasterSunday(2010));
  std::cout << " GregorianEasterSunday(2010)  = "
            << GregorianEasterSunday(2010) << std::endl;

  std::cout << " GregorianEasterSunday(208)  = "
            << GregorianEasterSunday(2008) << std::endl;
  return 0;
}

$ g++ lldb-test.cpp -o lldb-test.bin -std=c++1z -ggdb -O0 -Wall -Wextra

 $ lldb lldb-test.bin 
(lldb) target create "lldb-test.bin"
Current executable set to 'lldb-test.bin' (x86_64).

(lldb) image list
[  0] 45A7479B-D17E-3A06-A342-299376E7BAA9-E756535F                    /home/user/projects/lldb-test.bin

(lldb) list main
File: /home/user/projects/lldb-test.cpp
   70       int d = l + 28 - 31 * ( m / 4 );
   71       return Date(y, m, d);
   72   }
   73   
   74   
   75   int main(int argc, char** argv)
   76   {
   77     auto f1 = Functor(3, 5);
   78     auto f2 = Functor(6, 10);
   79   
   80     std::cout << "f1(5) = " << f1(5.0) << std::endl;
(lldb) 

(lldb) b main
Breakpoint 1: where = lldb-test.bin`main + 16 at lldb-test.cpp:77, address = 0x0000000000400aec

(lldb) b 88
Breakpoint 2: where = lldb-test.bin`main + 426 at lldb-test.cpp:88, address = 0x0000000000400c86

(lldb) b 93
Breakpoint 3: where = lldb-test.bin`main + 436 at lldb-test.cpp:93, address = 0x0000000000400c90

(lldb) breakpoint list
Current breakpoints:
1: name = 'main', locations = 1
  1.1: where = lldb-test.bin`main + 16 at lldb-test.cpp:77, address = lldb-test.bin[0x0000000000400aec], unresolved, hit count = 0 

2: file = '/home/user/projects/lldb-test.cpp', line = 88, exact_match = 0, locations = 1
  2.1: where = lldb-test.bin`main + 426 at lldb-test.cpp:88, address = lldb-test.bin[0x0000000000400c86], unresolved, hit count = 0 

3: file = '/home/user/projects/lldb-test.cpp', line = 93, exact_match = 0, locations = 1
  3.1: where = lldb-test.bin`main + 436 at lldb-test.cpp:93, address = lldb-test.bin[0x0000000000400c90], unresolved, hit count = 0 

4: file = '/home/user/projects/lldb-test.cpp', line = 93, exact_match = 0, locations = 1
  4.1: where = lldb-test.bin`main + 436 at lldb-test.cpp:93, address = lldb-test.bin[0x0000000000400c90], unresolved, hit count = 0 

5: name = 'list', locations = 0 (pending)

(lldb) br list
Current breakpoints:
1: name = 'main', locations = 1, resolved = 1, hit count = 2
  1.1: where = lldb-test.bin`main + 16 at lldb-test.cpp:77, address = 0x0000000000400aec, resolved, hit count = 2 

2: file = '/home/user/projects/lldb-test.cpp', line = 88, exact_match = 0, locations = 1, resolved = 1, hit count = 2
  2.1: where = lldb-test.bin`main + 426 at lldb-test.cpp:88, address = 0x0000000000400c86, resolved, hit count = 2 

3: file = '/home/user/projects/lldb-test.cpp', line = 93, exact_match = 0, locations = 1, resolved = 1, hit count = 2
  3.1: where = lldb-test.bin`main + 436 at lldb-test.cpp:93, address = 0x0000000000400c90, resolved, hit count = 2 

4: file = '/home/user/projects/lldb-test.cpp', line = 93, exact_match = 0, locations = 1, resolved = 1, hit count = 2
  4.1: where = lldb-test.bin`main + 436 at lldb-test.cpp:93, address = 0x0000000000400c90, resolved, hit count = 2 

5: name = 'list', locations = 0 (pending)

(lldb) r

Process 713 launched: '/home/user/projects/lldb-test.bin' (x86_64)
Process 713 stopped
* thread #1, name = 'lldb-test.bin', stop reason = breakpoint 1.1
    frame #0: 0x0000000000400aec lldb-test.bin`main(argc=1, argv=0x00007fffffffc668) at lldb-test.cpp:77
   74   
   75   int main(int argc, char** argv)
   76   {
-> 77     auto f1 = Functor(3, 5);
   78     auto f2 = Functor(6, 10);
   79   
   80     std::cout << "f1(5) = " << f1(5.0) << std::endl;
(lldb) 

(lldb) n
Process 713 stopped
* thread #1, name = 'lldb-test.bin', stop reason = step over
    frame #0: 0x0000000000400b08 lldb-test.bin`main(argc=1, argv=0x00007fffffffc668) at lldb-test.cpp:78
   75   int main(int argc, char** argv)
   76   {
   77     auto f1 = Functor(3, 5);
-> 78     auto f2 = Functor(6, 10);
   79   
   80     std::cout << "f1(5) = " << f1(5.0) << std::endl;
   81     std::cout << "f1(7) = " << f1(7.0) << std::endl;
(lldb) 

(lldb) n
f1(7) = 26
Process 713 stopped
* thread #1, name = 'lldb-test.bin', stop reason = step over
    frame #0: 0x0000000000400b9a lldb-test.bin`main(argc=1, argv=0x00007fffffffc668) at lldb-test.cpp:82
   79   
   80     std::cout << "f1(5) = " << f1(5.0) << std::endl;
   81     std::cout << "f1(7) = " << f1(7.0) << std::endl;
-> 82     std::cout << "f1(8) = " << f1(8.0) << std::endl;
   83   
   84     std::cout << "f2(5) = " << f2(5.0) << std::endl;
   85     std::cout << "f2(7) = " << f2(7.0) << std::endl;

(lldb) register read
General Purpose Registers:
       rax = 0x0000000000602080  lldb-test.bin`_ZSt4cout@@GLIBCXX_3.4
       rbx = 0x0000000000602080  lldb-test.bin`_ZSt4cout@@GLIBCXX_3.4
       rcx = 0x0000000000000b40
       rdx = 0x0000000000000000
       rdi = 0x00007ffff7493760  _IO_2_1_stdout_
       rsi = 0x00007ffff74948c0  libc.so.6`_IO_stdfile_1_lock
       rbp = 0x00007fffffffc580
       rsp = 0x00007fffffffc520
        r8 = 0x00007ffff74948c0  libc.so.6`_IO_stdfile_1_lock
        r9 = 0x00007ffff7fbff00
       r10 = 0x00007ffff7df2230  ld-linux-x86-64.so.2`strcmp + 4464
       r11 = 0x00007ffff7149ef0  libc.so.6`__GI__IO_fflush
       r12 = 0x0000000000400790  lldb-test.bin`_start
       r13 = 0x00007fffffffc660
       r14 = 0x0000000000000000
       r15 = 0x0000000000000000
       rip = 0x0000000000400b5f  lldb-test.bin`main + 131 at lldb-test.cpp:81
    rflags = 0x0000000000000213
        cs = 0x0000000000000033
        fs = 0x0000000000000000
        gs = 0x0000000000000000
        ss = 0x000000000000002b
        ds = 0x0000000000000000
        es = 0x0000000000000000

(lldb) register read rax
     rax = 0x0000000000602080  lldb-test.bin`_ZSt4cout@@GLIBCXX_3.4

(lldb) register read rip
     rip = 0x0000000000400b5f  lldb-test.bin`main + 131 at lldb-test.cpp:81
(lldb) 

(lldb) p $rbp
(unsigned long) $43 = 140737488340352

(lldb) p $rip
(unsigned long) $44 = 4197215

(lldb) p/x $rax
(unsigned long) $45 = 0x0000000000602080

(lldb) p/x $rip
(unsigned long) $46 = 0x0000000000400b5f

(lldb) p/i $rip
(unsigned long) $47 = 5f  popq   %rdi

(lldb) disassemble
lldb-test.bin`main:
    0x400adc <+0>:   pushq  %rbp
    0x400add <+1>:   movq   %rsp, %rbp
    0x400ae0 <+4>:   pushq  %rbx
    0x400ae1 <+5>:   subq   $0x58, %rsp
    0x400ae5 <+9>:   movl   %edi, -0x54(%rbp)
    0x400ae8 <+12>:  movq   %rsi, -0x60(%rbp)
    0x400aec <+16>:  movsd  0x4f4(%rip), %xmm1        ; xmm1 = mem[0],zero
    0x400af4 <+24>:  movsd  0x4f4(%rip), %xmm0        ; xmm0 = mem[0],zero
    0x400afc <+32>:  leaq   -0x30(%rbp), %rax
    0x400b00 <+36>:  movq   %rax, %rdi
    0x400b03 <+39>:  callq  0x400d7e                  ; Functor::Functor at lldb-test.cpp:12
    0x400b08 <+44>:  movsd  0x4e8(%rip), %xmm1        ; xmm1 = mem[0],zero
    0x400b10 <+52>:  movsd  0x4e8(%rip), %xmm0        ; xmm0 = mem[0],zero
    0x400b18 <+60>:  leaq   -0x40(%rbp), %rax
    0x400b1c <+64>:  movq   %rax, %rdi
    0x400b1f <+67>:  callq  0x400d7e                  ; Functor::Functor at lldb-test.cpp:12
    0x400b24 <+72>:  movl   $0x400f34, %esi           ; imm = 0x400F34 
    0x400b29 <+77>:  movl   $0x602080, %edi           ; imm = 0x602080 
    0x400b2e <+82>:  callq  0x400720                  ; symbol stub for: std::basic_ostream<char, std::char_traits<char> >& std::operator<<<std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)

(lldb) frame variable
(int) argc = 1
(char **) argv = 0x00007fffffffc668
(Functor) f1 = (a = 3, b = 5)
(Functor) f2 = (a = 6, b = 10)
(Date) d = (year = 32767, month = 4197755, day = 0)

(lldb) call main(0, nullptr)
f1(5) = 20
f1(7) = 26
f1(8) = 29
f2(5) = 40
f2(7) = 52
f2(8) = 58
=========================================
 GregorianEasterSunday(2010)  = Date { 2010 ; 4 ; 4 } 
 GregorianEasterSunday(208)  = Date { 2008 ; 3 ; 23 } 
(int) $49 = 0

(lldb) call factorial(4)
(int) $7 = 24

(lldb) p factorial(5)
(int) $10 = 120

(lldb) call factorial(10)
(int) $8 = 3628800

(lldb) call factorial(100)
(int) $9 = 0

(lldb) p f1(5.21)
(double) $13 = 20.629999999999999

(lldb) p f1(10.24)
(double) $14 = 35.719999999999999

(lldb) p f2(0.0)
(double) $15 = 10

(lldb) p f2(1.0)
(double) $16 = 16

(lldb) p f2(2.5)
(double) $17 = 25

(lldb) p f1.operator()(4.5)
(double) $19 = 18.5

(lldb) p f1.operator()(10.52)
(double) $20 = 36.560000000000002

(lldb) p GregorianEasterSunday(2010)
(Date) $22 = (year = 2010, month = 4, day = 4)

(lldb) p GregorianEasterSunday(2011)
(Date) $23 = (year = 2011, month = 4, day = 24)

(lldb) p GregorianEasterSunday(2017)
(Date) $24 = (year = 2017, month = 4, day = 16)

(lldb) expression f1.a = 10.5;
(double) $26 = 10.5

(lldb) expression f1.b = 100.0
(double) $27 = 100

(lldb) p f1
(Functor) $28 = (a = 10.5, b = 100)

(lldb) p f1(10.5)
(double) $29 = 210.25

(lldb) expre)sion auto $a = GregorianEasterSunday(2017)

(lldb) p $a
(Date) $a = (year = 2017, month = 4, day = 16)

(lldb) p $a.year
(int) $30 = 2017

(lldb) p $a.month
(int) $31 = 4

(lldb) p $a.day
(int) $32 = 16

(lldb) p &$a
(Date *) $33 = 0x00007ffff7ff5030

(lldb) p ((Date*) 0x00007ffff7ff5030)->year
(int) $36 = 2017

(lldb) p ((Date*) 0x00007ffff7ff5030)->day
(int) $37 = 16

(lldb) c
Process 713 resuming
 GregorianEasterSunday(2010)  = Date { 2010 ; 4 ; 4 } 
 GregorianEasterSunday(208)  = Date { 2008 ; 3 ; 23 } 
Process 713 exited with status = 0 (0x00000000) 

(lldb) br del 1 2 3 4
4 breakpoints deleted; 0 breakpoint locations disabled.

(lldb) r
There is a running process, kill it and restart?: [Y/n] y
Process 5443 exited with status = 9 (0x00000009) 
Process 6182 launched: '/home/user/projects/lldb-test.bin' (x86_64)
f1(5) = 20
f1(7) = 26
f1(8) = 29
f2(5) = 40
f2(7) = 52
f2(8) = 58
=========================================
 GregorianEasterSunday(2010)  = Date { 2010 ; 4 ; 4 } 
 GregorianEasterSunday(208)  = Date { 2008 ; 3 ; 23 } 
Process 6182 exited with status = 0 (0x00000000) 
(lldb) 

0:000> !help
address [address]          - Displays the address space layout
        [-UsageType]       - Displays the address space regions of the given type
analyze [-v]               - Analyzes current exception or bugcheck
cpuid [processor]          - Displays CPU version info for all CPUs
elog_str <message>         - Logs simple message to host event log
cppexr <exraddress>        - Displays a C++ EXCEPTION_RECORD
error [errorcode]          - Displays Win32 & NTSTATUS error string
exchain                    - Displays exception chain for current thread
for_each_frame <cmd>       - Executes command for each frame in current
                             thread
for_each_local <cmd> $$<n> - Executes command for each local variable in
                             current frame, substituting fixed-name alias
                             $u<n> for each occurrence of $$<n>
gle [-all]                 - Displays last error & status for current thread
imggp <imagebase>          - Displays GP directory entry for 64-bit image
imgreloc <imagebase>       - Relocates modules for an image
list [-? | parameters]     - Displays lists
obja <address>             - Displays OBJECT_ATTRIBUTES[32|64]
owner [symbol!module]      - Detects owner for current exception or
                             bugcheck from triage.ini
rtlavl <address>           - Displays RTL_AVL_TABLE
std_map <address>          - Displays a std::map<>
str <address>              - Displays ANSI_STRING or OEM_STRING
ustr <address>             - Displays UNICODE_STRING

0:000> .cls

0:000> version

Windows 10 Version 17134 UP Free x64
Product: WinNt, suite: SingleUserTS
17134.1.amd64fre.rs4_release.180410-1804
Machine Name:
Debug session time: Sun Aug 26 16:54:20.077 2018 (UTC - 7:00)
System Uptime: 10 days 4:18:43.003
Process Uptime: 0 days 1:21:04.373
  Kernel time: 0 days 0:00:00.000
  User time: 0 days 0:00:00.046
Live user mode: <Local>

Microsoft (R) Windows Debugger Version 10.0.17134.12 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.

 ...  ...  ...  ...  ...  ...  ...  ...  ...  ... 

0:000> .srcpath
Source search path is: C:\Users\archbox\Desktop\wincpp\com-ole\comtest

************* Path validation summary **************
Response                         Time (ms)     Location
OK                                             C:\Users\archbox\Desktop\wincpp\com-ole\comtest

>> lm
  start             end                 module name
  00007ff6`69b50000 00007ff6`69c59000   client     (deferred)             
  00007ff8`3dfc0000 00007ff8`3e005000   service    (deferred)             
  00007ff8`4ec10000 00007ff8`4eca8000   uxtheme    (deferred)             
  00007ff8`50740000 00007ff8`50751000   kernel_appcore   (deferred)             
  00007ff8`507d0000 00007ff8`50a43000   KERNELBASE   (deferred)             
  00007ff8`512c0000 00007ff8`51452000   gdi32full   (deferred)             
  00007ff8`51460000 00007ff8`514da000   bcryptPrimitives   (deferred)             
  00007ff8`514e0000 00007ff8`5157f000   msvcp_win   (deferred)             
  00007ff8`51580000 00007ff8`515a0000   win32u     (deferred)             
  00007ff8`51790000 00007ff8`5188a000   ucrtbase   (deferred)             
  00007ff8`518f0000 00007ff8`51918000   GDI32      (deferred)             
  00007ff8`51920000 00007ff8`51a71000   ole32      (deferred)             
  00007ff8`51e80000 00007ff8`51fa4000   RPCRT4     (deferred)             
  00007ff8`51fb0000 00007ff8`52140000   USER32     (deferred)             
  00007ff8`52140000 00007ff8`5219b000   sechost    (deferred)             
  00007ff8`521a0000 00007ff8`5223e000   msvcrt     (deferred)             
  00007ff8`52240000 00007ff8`52563000   combase    (private pdb symbols)  C:\ProgramData\dbg\sym\combase.pdb\8BD819B4B577CBB5053ADA5ED7AA29E91\combase.pdb
  00007ff8`53a80000 00007ff8`53aad000   IMM32      (deferred)             
  00007ff8`54080000 00007ff8`54120000   clbcatq    (deferred)             
  00007ff8`54120000 00007ff8`541d2000   KERNEL32   (deferred)             
  00007ff8`54400000 00007ff8`545e1000   ntdll      (pdb symbols)          C:\ProgramData\dbg\sym\ntdll.pdb\EA3C05F9EA540B02C1971816AF7CC8D21\ntdll.pdb

0:000> lmf

start             end                 module name
00007ff6`69b50000 00007ff6`69c59000   client   client.exe  
00007ff8`3dfc0000 00007ff8`3e005000   service  C:\Users\archbox\Desktop\wincpp\com-ole\comtest\service.dll
00007ff8`4ec10000 00007ff8`4eca8000   uxtheme  C:\WINDOWS\system32\uxtheme.dll
00007ff8`50740000 00007ff8`50751000   kernel_appcore C:\WINDOWS\System32\kernel.appcore.dll
00007ff8`507d0000 00007ff8`50a43000   KERNELBASE C:\WINDOWS\System32\KERNELBASE.dll
00007ff8`512c0000 00007ff8`51452000   gdi32full C:\WINDOWS\System32\gdi32full.dll
00007ff8`51460000 00007ff8`514da000   bcryptPrimitives C:\WINDOWS\System32\bcryptPrimitives.dll
00007ff8`514e0000 00007ff8`5157f000   msvcp_win C:\WINDOWS\System32\msvcp_win.dll
00007ff8`51580000 00007ff8`515a0000   win32u   C:\WINDOWS\System32\win32u.dll
00007ff8`51790000 00007ff8`5188a000   ucrtbase C:\WINDOWS\System32\ucrtbase.dll
00007ff8`518f0000 00007ff8`51918000   GDI32    C:\WINDOWS\System32\GDI32.dll
00007ff8`51920000 00007ff8`51a71000   ole32    C:\WINDOWS\System32\ole32.dll
00007ff8`51e80000 00007ff8`51fa4000   RPCRT4   C:\WINDOWS\System32\RPCRT4.dll
00007ff8`51fb0000 00007ff8`52140000   USER32   C:\WINDOWS\System32\USER32.dll
00007ff8`52140000 00007ff8`5219b000   sechost  C:\WINDOWS\System32\sechost.dll
00007ff8`521a0000 00007ff8`5223e000   msvcrt   C:\WINDOWS\System32\msvcrt.dll
00007ff8`52240000 00007ff8`52563000   combase  C:\WINDOWS\System32\combase.dll
00007ff8`53a80000 00007ff8`53aad000   IMM32    C:\WINDOWS\System32\IMM32.DLL
00007ff8`54080000 00007ff8`54120000   clbcatq  C:\WINDOWS\System32\clbcatq.dll
00007ff8`54120000 00007ff8`541d2000   KERNEL32 C:\WINDOWS\System32\KERNEL32.DLL
00007ff8`54400000 00007ff8`545e1000   ntdll    ntdll.dll   

0:000> lm vm ntdll

Browse full module list
start             end                 module name
00007ff8`54400000 00007ff8`545e1000   ntdll      (pdb symbols)          C:\ProgramData\dbg\sym\ntdll.pdb\EA3C05F9EA540B02C1971816AF7CC8D21\ntdll.pdb
    Loaded symbol image file: C:\WINDOWS\SYSTEM32\ntdll.dll
    Image path: ntdll.dll
    Image name: ntdll.dll
    Browse all global symbols  functions  data
    Image was built with /Brepro flag.
    Timestamp:        6D15B6D7 (This is a reproducible build file hash, not a timestamp)
    CheckSum:         001EA411
    ImageSize:        001E1000
    File version:     10.0.17134.228
    Product version:  10.0.17134.228
    File flags:       0 (Mask 3F)
    File OS:          40004 NT Win32
    File type:        2.0 Dll
    File date:        00000000.00000000
    Translations:     0409.04b0
    Information from resource tables:
        CompanyName:      Microsoft Corporation
        ProductName:      Microsoft® Windows® Operating System
        InternalName:     ntdll.dll
        OriginalFilename: ntdll.dll
        ProductVersion:   10.0.17134.228
        FileVersion:      10.0.17134.228 (WinBuild.160101.0800)
        FileDescription:  NT Layer DLL
        LegalCopyright:   © Microsoft Corporation. All rights reserved.

0:000> lm vm service
Browse full module list
start             end                 module name
00007ff8`3dfc0000 00007ff8`3e005000   service    (deferred)             
    Image path: C:\Users\archbox\Desktop\wincpp\com-ole\comtest\service.dll
    Image name: service.dll
    Browse all global symbols  functions  data
    Timestamp:        Thu Aug 23 10:44:03 2018 (5B7EF263)
    CheckSum:         00000000
    ImageSize:        00045000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
    Information from resource tables:

:000> !dh out2 -f

File Type: EXECUTABLE IMAGE
FILE HEADER VALUES
    8664 machine (X64)
       7 number of sections
5B89DE49 time date stamp Fri Aug 31 17:33:13 2018

       0 file pointer to symbol table
       0 number of symbols
      F0 size of optional header
      22 characteristics
            Executable
            App can handle >2gb addresses

OPTIONAL HEADER VALUES
     20B magic #
   14.12 linker version
   CAE00 size of code
   42E00 size of initialized data
       0 size of uninitialized data
    28C4 address of entry point
    1000 base of code
         ----- new -----
00007ff6c7f40000 image base
    1000 section alignment
     200 file alignment
       3 subsystem (Windows CUI)
    6.00 operating system version
    0.00 image version
    6.00 subsystem version
  112000 size of image
     400 size of headers
       0 checksum
0000000000100000 size of stack reserve
0000000000001000 size of stack commit
0000000000100000 size of heap reserve
0000000000001000 size of heap commit
    8160  DLL characteristics
            High entropy VA supported
            Dynamic base
            NX compatible
            Terminal server aware
       0 [       0] address [size] of Export Directory
  10D3E8 [      28] address [size] of Import Directory
       0 [       0] address [size] of Resource Directory
  103000 [    8748] address [size] of Exception Directory
       0 [       0] address [size] of Security Directory
  110000 [    11BC] address [size] of Base Relocation Directory
   E6060 [      38] address [size] of Debug Directory
       0 [       0] address [size] of Description Directory
       0 [       0] address [size] of Special Directory
       0 [       0] address [size] of Thread Storage Directory
   E60A0 [     100] address [size] of Load Configuration Directory
       0 [       0] address [size] of Bound Import Directory
  10D000 [     3E8] address [size] of Import Address Table Directory
       0 [       0] address [size] of Delay Import Directory
       0 [       0] address [size] of COR20 Header Directory
       0 [       0] address [size] of Reserved Directory

0:000> lm
start             end                 module name
00007ff6`69b50000 00007ff6`69c59000   client   C (private pdb symbols)  C:\ProgramData\dbg\sym\client.pdb\8051143355D841DDB7EE7257B7AE231814\client.pdb
 ... ... ... ... 
00007ff8`54120000 00007ff8`541d2000   KERNEL32   (pdb symbols)          C:\ProgramData\dbg\sym\kernel32.pdb\63816243EC704DC091BC31470BAC48A31\kernel32.pdb
00007ff8`54400000 00007ff8`545e1000   ntdll      (pdb symbols)          C:\ProgramData\dbg\sym\ntdll.pdb\EA3C05F9EA540B02C1971816AF7CC8D21\ntdll.pdb

00007ff8`54400000 00007ff8`545e1000   ntdll      (pdb symbols)          C:\ProgramData\dbg\sym\ntdll.pdb\EA3C05F9EA540B02C1971816AF7CC8D21\ntdll.pdb

0:000> db 00007ff8`54400000
00007ff8`54400000  4d 5a 90 00 03 00 00 00-04 00 00 00 ff ff 00 00  MZ..............
00007ff8`54400010  b8 00 00 00 00 00 00 00-40 00 00 00 00 00 00 00  ........@.......
00007ff8`54400020  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00  ................
00007ff8`54400030  00 00 00 00 00 00 00 00-00 00 00 00 e8 00 00 00  ................
00007ff8`54400040  0e 1f ba 0e 00 b4 09 cd-21 b8 01 4c cd 21 54 68  ......      .!..L.!Th
00007ff8`54400050  69 73 20 70 72 6f 67 72-61 6d 20 63 61 6e 6e 6f  is program canno
00007ff8`54400060  74 20 62 65 20 72 75 6e-20 69 6e 20 44 4f 53 20  t be run in DOS 
00007ff8`54400070  6d 6f 64 65 2e 0d 0d 0a-24 00 00 00 00 00 00 00  mode....$.......

0:000> dc 00007ff8`54400000
00007ff8`54400000  00905a4d 00000003 00000004 0000ffff  MZ..............
00007ff8`54400010  000000b8 00000000 00000040 00000000  ........@.......
00007ff8`54400020  00000000 00000000 00000000 00000000  ................
00007ff8`54400030  00000000 00000000 00000000 000000e8  ................
00007ff8`54400040  0eba1f0e cd09b400 4c01b821 685421cd  ......  .!..L.!Th
00007ff8`54400050  70207369 72676f72 63206d61 6f6e6e61  is program canno
00007ff8`54400060  65622074 6e757220 206e6920 20534f44  t be run in DOS 
00007ff8`54400070  65646f6d 0a0d0d2e 00000024 00000000  mode....$.......

0:000> .process
Implicit process is now 00000096`d8a7d000

0:000> !peb
PEB at 000000a87accf000
    InheritedAddressSpace:    No
    ReadImageFileExecOptions: No
    BeingDebugged:            Yes
    ImageBaseAddress:         00007ff669b50000
    Ldr                       00007ff85455c360
    Ldr.Initialized:          Yes
    Ldr.InInitializationOrderModuleList: 000002986df32e80 . 000002986df523b0
    Ldr.InLoadOrderModuleList:           000002986df33030 . 000002986df52390
    Ldr.InMemoryOrderModuleList:         000002986df33040 . 000002986df523a0
                    Base TimeStamp                     Module
            7ff669b50000 5b7ef429 Aug 23 10:51:37 2018 C:\Users\archbox\Desktop\wincpp\com-ole\comtest\client.exe
            7ff854400000 6d15b6d7 Dec 29 20:06:47 2027 C:\WINDOWS\SYSTEM32\ntdll.dll
            7ff854120000 5f488a51 Aug 27 21:38:41 2020 C:\WINDOWS\System32\KERNEL32.DLL
            7ff8507d0000 b0bb231d Dec 16 10:10:37 2063 C:\WINDOWS\System32\KERNELBASE.dll
            7ff851920000 f6d21073 Mar 22 12:11:47 2101 C:\WINDOWS\System32\ole32.dll
            7ff852240000 fad18dc5 May 07 20:15:17 2103 C:\WINDOWS\System32\combase.dll
            7ff851790000 5db729cd Oct 28 10:47:57 2019 C:\WINDOWS\System32\ucrtbase.dll
            7ff851e80000 a1f1190d Feb 04 15:26:05 2056 C:\WINDOWS\System32\RPCRT4.dll
            7ff851460000 df1abf1c Aug 11 07:13:48 2088 C:\WINDOWS\System32\bcryptPrimitives.dll
            7ff8518f0000 2ad7837c Oct 10 18:29:32 1992 C:\WINDOWS\System32\GDI32.dll
            7ff8512c0000 460017f0 Mar 20 10:20:48 2007 C:\WINDOWS\System32\gdi32full.dll
            7ff8514e0000 b8c3e718 Mar 24 13:27:04 2068 C:\WINDOWS\System32\msvcp_win.dll
            7ff851fb0000 fd9a9c22 Oct 29 17:02:42 2104 C:\WINDOWS\System32\USER32.dll
            7ff851580000 b8eb0e32 Apr 23 06:12:18 2068 C:\WINDOWS\System32\win32u.dll
            7ff852140000 aa4b708f Jul 14 15:45:35 2060 C:\WINDOWS\System32\sechost.dll
            7ff853a80000 7a45968f Jan 02 12:01:19 2035 C:\WINDOWS\System32\IMM32.DLL
            7ff850740000 f0a997a7 Dec 11 16:24:07 2097 C:\WINDOWS\System32\kernel.appcore.dll
            7ff8521a0000 5cbba6fd Apr 20 16:10:53 2019 C:\WINDOWS\System32\msvcrt.dll
            7ff84ec10000 66e92861 Sep 16 23:57:37 2024 C:\WINDOWS\system32\uxtheme.dll
            7ff854080000 9fbc25bf Dec 03 02:49:35 2054 C:\WINDOWS\System32\clbcatq.dll
            7ff83dfc0000 5b7ef263 Aug 23 10:44:03 2018 C:\Users\archbox\Desktop\wincpp\com-ole\comtest\service.dll
    SubSystemData:     0000000000000000
    ProcessHeap:       000002986df30000
    ProcessParameters: 000002986df32520
    CurrentDirectory:  'C:\Program Files (x86)\Windows Kits\10\Debuggers\'
    WindowTitle:  'C:\Users\archbox\Desktop\wincpp\com-ole\comtest\client.exe'
    ImageFile:    'C:\Users\archbox\Desktop\wincpp\com-ole\comtest\client.exe'
    CommandLine:  'C:\Users\archbox\Desktop\wincpp\com-ole\comtest\client.exe'
    DllPath:      '< Name not readable >'
    Environment:  000002986df31100
        =::=::\
        ALLUSERSPROFILE=C:\ProgramData
        APPDATA=C:\Users\archbox\AppData\Roaming
        ChocolateyInstall=C:\ProgramData\chocolatey
        ChocolateyLastPathUpdate=Wed Aug  1 00:29:26 2018
        ChocolateyToolsLocation=C:\tools
        CLASSPATH=.;
        CommonProgramFiles=C:\Program Files\Common Files
        CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
        CommonProgramW6432=C:\Program Files\Common Files
        COMPUTERNAME=DESKTOP-2TJVI2H
        ComSpec=C:\WINDOWS\system32\cmd.exe
        DriverData=C:\Windows\System32\Drivers\DriverData
        FPS_BROWSER_APP_PROFILE_STRING=Internet Explorer
        FPS_BROWSER_USER_PROFILE_STRING=Default
        FSHARPINSTALLDIR=C:\Program Files (x86)\Microsoft SDKs\F#\4.1\Framework\v4.0\
        HOME=C:\Users\archbox
        HOMEDRIVE=C:
        HOMEPATH=\Users\archbox
        JAVA_HOME=C:\Program Files\Java\jdk1.8.0_162
        LOCALAPPDATA=C:\Users\archbox\AppData\Local
        LOGONSERVER=\\DESKTOP-2TJVI2H
        NUMBER_OF_PROCESSORS=1
        OneDrive=C:\Users\archbox\OneDrive
        OS=Windows_NT
        Path=C:\Program Files (x86)\Windows Kits\10\Debuggers\x64;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\ProgramData\chocolatey\bin;C:\Program Files\Java\jdk1.8.0_162\bin;C:\Program Files (x86)\scala\bin;C:\Program Files\Git\cmd;C:\Program Files\LLVM\bin;C:\WINDOWS\System32\OpenSSH\;C:\Users\archbox\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\ProgramData\chocolatey\bin;C:\Program Files\Java\jdk1.8.0_162\bin;C:\Program Files (x86)\scala\bin;C:\Users\archbox\AppData\Local\Microsoft\WindowsApps;;C:\Users\archbox\AppData\Local\Microsoft\WindowsApps;C:\tools\cmder;C:\tools\mingw64\bin;
        PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
        PROCESSOR_ARCHITECTURE=AMD64
        PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 78 Stepping 3, GenuineIntel
        PROCESSOR_LEVEL=6
        PROCESSOR_REVISION=4e03
        ProgramData=C:\ProgramData
        ProgramFiles=C:\Program Files
        ProgramFiles(x86)=C:\Program Files (x86)
        ProgramW6432=C:\Program Files
        PSModulePath=C:\Program Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules
        PUBLIC=C:\Users\Public
        SESSIONNAME=Console
        SRCSRV_SHOW_TF_PROMPT=1
        SRCSRV_TIMEOUT_SECONDS=300
        SystemDrive=C:
        SystemRoot=C:\WINDOWS
        TEMP=C:\Users\archbox\AppData\Local\Temp
        TMP=C:\Users\archbox\AppData\Local\Temp
        USERDOMAIN=DESKTOP-2TJVI2H
        USERDOMAIN_ROAMINGPROFILE=DESKTOP-2TJVI2H
        USERNAME=archbox
        USERPROFILE=C:\Users\archbox
        VS140COMNTOOLS=C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\Tools\
        WINDBG_DIR=C:\Program Files (x86)\Windows Kits\10\Debuggers\x64
        windir=C:\WINDOWS

0:000> dv
00000096`d895f6b0               dwBytesRead = 0x2c8
00000096`d895f6a8 NtQueryInformationProcess = 0x00007ff8`2dcfa1c0
00000096`d895f6f0                       peb = struct _PEB
00000096`d895f690                     hProc = 0xffffffff`ffffffff
00000096`d895f6b8                       pbi = struct _PROCESS_BASIC_INFORMATION
00000096`d895f698                   retsize = 0x30
00000096`d895f6a0                    hNtDLL = 0x00007ff8`2dc60000
00000096`d895f684                parent_pid = 0x1c84
00000096`d895f688                    status = 0n0

0:000> dv /t

00000096`d895f6b0 unsigned int64 dwBytesRead = 0x2c8
00000096`d895f6a8 <function> * NtQueryInformationProcess = 0x00007ff8`2dcfa1c0
00000096`d895f6f0 struct _PEB peb = struct _PEB
00000096`d895f690 void * hProc = 0xffffffff`ffffffff
00000096`d895f6b8 struct _PROCESS_BASIC_INFORMATION pbi = struct _PROCESS_BASIC_INFORMATION
00000096`d895f698 unsigned long retsize = 0x30
00000096`d895f6a0 struct HINSTANCE__ * hNtDLL = 0x00007ff8`2dc60000
00000096`d895f684 unsigned long parent_pid = 0x1c84
00000096`d895f688 long status = 0n0

0:000> !handle
Handle 4
  Type          Key
Handle 8
  Type          Event
Handle c
  Type          WaitCompletionPacket
Handle 10
  Type          IoCompletion
Handle 14
  Type          TpWorkerFactory
Handle 18
  Type          IRTimer
Handle 1c
  Type          WaitCompletionPacket
Handle 20
  Type          IRTimer
Handle 24
  ... ... ... ... 
Type            Count
None            4
Event           3
Section         5
File            6
Directory       1
Key             2
Thread          2
IoCompletion    2
TpWorkerFactory 2
ALPC Port       1
WaitCompletionPacket    5

0:000> !handle 40 f
Handle 40
  Type          File
  Attributes    0
  GrantedAccess 0x100020:
         Synch
         Execute/Traverse
  HandleCount   2
  PointerCount  65536
  No Object Specific Information available

0:000> !handle 34 f
Handle 34
  Type          Directory
  Attributes    0x10
  GrantedAccess 0x3:
         None
         Query,Traverse
  HandleCount   117
  PointerCount  3826979
  Name          \KnownDlls
  No Object Specific Information available

0:000> r

rax=0000000080004005 rbx=0000000080004005 rcx=0000000000000000
rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000000000
rip=00007ff8522faf5a rsp=000000a87ab1e320 rbp=000000a87ab1e420
 r8=000000a87ab1f650  r9=0000000000000000 r10=0000000000000000
r11=000002986df519bc r12=000000a87ab1f650 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0         nv up ei pl nz na po nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010204
combase!CServerContextActivator::CreateInstance+0x23a:
00007ff8`522faf5a 488b01          mov     rax,qword ptr [rcx] ds:00000000`00000000=????????????????

0:000> ~

.  0  Id: 2144.f68 Suspend: 1 Teb: 000000a8`7acd0000 Unfrozen
   1  Id: 2144.14c4 Suspend: 1 Teb: 000000a8`7acd4000 Unfrozen
   2  Id: 2144.2310 Suspend: 1 Teb: 000000a8`7acd2000 Unfrozen

0:000> k
 # Child-SP          RetAddr           Call Site
00 0000002f`12f3e090 00007ff8`522c5abf combase!CServerContextActivator::CreateInstance+0x23a [onecore\com\combase\objact\actvator.cxx @ 910] 
01 0000002f`12f3e210 00007ff8`522d63d1 combase!ActivationPropertiesIn::DelegateCreateInstance+0xef [onecore\com\combase\actprops\actprops.cxx @ 1905] 
02 0000002f`12f3e2a0 00007ff8`522d5b62 combase!CApartmentActivator::CreateInstance+0xc1 [onecore\com\combase\objact\actvator.cxx @ 2169] 
03 0000002f`12f3e350 00007ff8`522d5e30 combase!CProcessActivator::CCICallback+0x72 [onecore\com\combase\objact\actvator.cxx @ 1637] 
04 0000002f`12f3e390 00007ff8`522d5c7e combase!CProcessActivator::AttemptActivation+0x40 [onecore\com\combase\objact\actvator.cxx @ 1524] 
05 0000002f`12f3e3e0 00007ff8`522d608b combase!CProcessActivator::ActivateByContext+0xae [onecore\com\combase\objact\actvator.cxx @ 1368] 
06 0000002f`12f3e470 00007ff8`522c5a7d combase!CProcessActivator::CreateInstance+0x8b [onecore\com\combase\objact\actvator.cxx @ 1268] 
07 0000002f`12f3e4c0 00007ff8`522c334a combase!ActivationPropertiesIn::DelegateCreateInstance+0xad [onecore\com\combase\actprops\actprops.cxx @ 1905] 
08 0000002f`12f3e550 00007ff8`522c5a87 combase!CClientContextActivator::CreateInstance+0x14a [onecore\com\combase\objact\actvator.cxx @ 567] 
09 0000002f`12f3e800 00007ff8`52273138 combase!ActivationPropertiesIn::DelegateCreateInstance+0xb7 [onecore\com\combase\actprops\actprops.cxx @ 1957] 
0a 0000002f`12f3e890 00007ff8`52272589 combase!ICoCreateInstanceEx+0xa38 [onecore\com\combase\objact\objact.cxx @ 1959] 
0b 0000002f`12f3f710 00007ff8`52272393 combase!CComActivator::DoCreateInstance+0x169 [onecore\com\combase\objact\immact.hxx @ 385] 
0c (Inline Function) --------`-------- combase!CoCreateInstanceEx+0x88 [onecore\com\combase\objact\actapi.cxx @ 177] 
0d 0000002f`12f3f830 00007ff6`69b5e220 combase!CoCreateInstance+0xc3 [onecore\com\combase\objact\actapi.cxx @ 121] 
0e 0000002f`12f3f8d0 00007ff6`69ba0f40 client!main+0x1a0 [c:\users\archbox\desktop\wincpp\com-ole\comtest\client.cpp @ 34] 
0f (Inline Function) --------`-------- client!invoke_main+0x22 [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 78] 
10 0000002f`12f3f980 00007ff8`54133034 client!__scrt_common_main_seh+0x110 [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 283] 
11 0000002f`12f3f9c0 00007ff8`54471431 KERNEL32!BaseThreadInitThunk+0x14
12 0000002f`12f3f9f0 00000000`00000000 ntdll!RtlUserThreadStart+0x21

0:000> k0
 # Child-SP          RetAddr           Call Site
00 0000002f`12f3e090 00007ff8`522c5abf combase!CServerContextActivator::CreateInstance+0x23a [onecore\com\combase\objact\actvator.cxx @ 910] 
01 0000002f`12f3e210 00007ff8`522d63d1 combase!ActivationPropertiesIn::DelegateCreateInstance+0xef [onecore\com\combase\actprops\actprops.cxx @ 1905] 
02 0000002f`12f3e2a0 00007ff8`522d5b62 combase!CApartmentActivator::CreateInstance+0xc1 [onecore\com\combase\objact\actvator.cxx @ 2169] 
03 0000002f`12f3e350 00007ff8`522d5e30 combase!CProcessActivator::CCICallback+0x72 [onecore\com\combase\objact\actvator.cxx @ 1637] 
04 0000002f`12f3e390 00007ff8`522d5c7e combase!CProcessActivator::AttemptActivation+0x40 [onecore\com\combase\objact\actvator.cxx @ 1524] 
05 0000002f`12f3e3e0 00007ff8`522d608b combase!CProcessActivator::ActivateByContext+0xae [onecore\com\combase\objact\actvator.cxx @ 1368] 
06 0000002f`12f3e470 00007ff8`522c5a7d combase!CProcessActivator::CreateInstance+0x8b [onecore\com\combase\objact\actvator.cxx @ 1268] 
07 0000002f`12f3e4c0 00007ff8`522c334a combase!ActivationPropertiesIn::DelegateCreateInstance+0xad [onecore\com\combase\actprops\actprops.cxx @ 1905] 
08 0000002f`12f3e550 00007ff8`522c5a87 combase!CClientContextActivator::CreateInstance+0x14a [onecore\com\combase\objact\actvator.cxx @ 567] 
09 0000002f`12f3e800 00007ff8`52273138 combase!ActivationPropertiesIn::DelegateCreateInstance+0xb7 [onecore\com\combase\actprops\actprops.cxx @ 1957] 
0a 0000002f`12f3e890 00007ff8`52272589 combase!ICoCreateInstanceEx+0xa38 [onecore\com\combase\objact\objact.cxx @ 1959] 
0b 0000002f`12f3f710 00007ff8`52272393 combase!CComActivator::DoCreateInstance+0x169 [onecore\com\combase\objact\immact.hxx @ 385] 
0c (Inline Function) --------`-------- combase!CoCreateInstanceEx+0x88 [onecore\com\combase\objact\actapi.cxx @ 177] 
0d 0000002f`12f3f830 00007ff6`69b5e220 combase!CoCreateInstance+0xc3 [onecore\com\combase\objact\actapi.cxx @ 121] 
0e 0000002f`12f3f8d0 00007ff6`69ba0f40 client!main+0x1a0 [c:\users\archbox\desktop\wincpp\com-ole\comtest\client.cpp @ 34] 
0f (Inline Function) --------`-------- client!invoke_main+0x22 [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 78] 
10 0000002f`12f3f980 00007ff8`54133034 client!__scrt_common_main_seh+0x110 [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 283] 
11 0000002f`12f3f9c0 00007ff8`54471431 KERNEL32!BaseThreadInitThunk+0x14
12 0000002f`12f3f9f0 00000000`00000000 ntdll!RtlUserThreadStart+0x21

0:000> k1
 # Child-SP          RetAddr           Call Site
00 0000002f`12f3e090 00007ff8`522c5abf combase!CServerContextActivator::CreateInstance+0x23a [onecore\com\combase\objact\actvator.cxx @ 910] 

:000> .tlist

    0n0 System Process
    0n4 System
   0n68 Registry
  0n336 smss.exe
  0n420 csrss.exe
  0n492 wininit.exe
  0n504 csrss.exe
  0n568 winlogon.exe
   ...  ...  ...  ...  ...  ...  ... 
 0n6504 SearchProtocolHost.exe
 0n3584 SearchFilterHost.exe

>>> xclient!*
00007ff6`69c22130 client!__newclmap = unsigned char [] "???"
00007ff6`69c22130 client!__newclmap = unsigned char [384] "???"
00007ff6`69c23828 client!__exp_bias_m1 = 0x3fe
00007ff6`69c1f3d8 client!std::money_get<wchar_t,std::istreambuf_iterator<wchar_t,std::char_traits<wchar_t> > >::`vftable' = <function> *[6]
00007ff6`69c25af8 client!__acrt_signal_action_table_size = 0xc0
00007ff6`69c237d0 client!__pos_zero = 0
00007ff6`69c47a38 client!std::_Ptr_wcout = 0x00000000`00000000
00007ff6`69c450b0 client!_fltused = 0n39029
00007ff6`69c2d130 client!_LInf_C = union _float_const
00007ff6`69c2d310 client!__mask_mant = 0x000fffff`ffffffff
00007ff6`69c4a000 client!enable_percent_n = 0
 , ... ... ... ... ... ... ... 

00007ff6`69c0b27e client!_abstract_sw =  (inline caller) client!_statusfp+a
00007ff6`69c0b318 client!_abstract_cw =  (inline caller) client!common_control87+28
00007ff6`69c0b3f7 client!_hw_cw =  (inline caller) client!common_control87+107
00007ff6`69c0b4f5 client!_abstract_cw =  (inline caller) client!common_control87+205

0:000> xntdll!*

00007ff8`5445c658 ntdll!RtlpHpVaMgrRangeCreate (void)
00007ff8`5444a7b0 ntdll!RtlFindLastBackwardRunClear (void)
00007ff8`54443f30 ntdll!EtwDeliverDataBlock (void)
00007ff8`54481790 ntdll!RtlpInitializeStaticCriticalSection (void)
00007ff8`5443f260 ntdll!RtlpTpWorkCallback (void)
00007ff8`544a2608 ntdll!RtlUnicodeStringToOemString$fin$0 (void)
00007ff8`54402a88 ntdll!TppETWTimerCancelled (void)
00007ff8`5445e5e0 ntdll!RtlpQueryExtendedInformationHeap (void)
  ... ... .. ... ... .. ... ... .. ... ... .. ... ... 

0:000> .expr /q

Available expression evaluators:
MASM - Microsoft Assembler expressions
C++ - C++ source expressions

Current expression evaluator: MASM - Microsoft Assembler expressions
Available expression evaluators:
MASM - Microsoft Assembler expressions
C++ - C++ source expressions

Current expression evaluator: MASM - Microsoft Assembler expressions

0:000> .expr /s c++
Current expression evaluator: C++ - C++ source expressions
Current expression evaluator: C++ - C++ source expressions

0:000> ?? @@c++(sizeof(int))
unsigned int64 4

0:000> ?? @@c++(sizeof(double))
unsigned int64 8

0:000> ?? @@c++(sizeof(long))
unsigned int64 4

0:000> ?? @@c++(sizeof(LPVOID))
unsigned int64 8

0:000> ?? @@c++(sizeof(LPSTR))
unsigned int64 8

0:000> ? @@c++(sizeof(@$peb))
Evaluate expression: 8 = 00000000`00000008

0:000> ? @@c++(@$peb->ImageBaseAddress)
Evaluate expression: 140696312152064 = 00007ff6`69b50000

0:000> ? @@c++(@$peb->Ldr)
Evaluate expression: 140704543523680 = 00007ff8`5455c360

0:000> ? @@c++(@$peb->Ldr->Initialized)
Evaluate expression: 1 = 00000000`00000001

0:000> .lastevent
Last event: 1bac.1294: Access violation - code c0000005 (!!! second chance !!!)
  debugger time: Sun Aug 26 17:12:56.363 2018 (UTC - 7:00)

0:000> .exr -1

ExceptionAddress: 00007ff8522faf5a (combase!CServerContextActivator::CreateInstance+0x000000000000023a)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 0000000000000000
   Parameter[1]: 0000000000000000
Attempt to read from address 0000000000000000

0:000> !analyze -v

*******************************************************************************
*                                                                             *
*                        Exception Analysis                                   *
*                                                                             *
*******************************************************************************

 ... ... ... ... ... ... ...  ... ... ... ... ... ... ...  ... ... ... ... ...


PROCESS_NAME:  client.exe

FOLLOWUP_IP: 
client!main+1a0 [c:\users\archbox\desktop\wincpp\com-ole\comtest\client.cpp @ 34]
00007ff6`69b5e220 89442460        mov     dword ptr [rsp+60h],eax

READ_ADDRESS:  0000000000000000 

ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%p referenced memory at 0x%p. The memory could not be %s.

 ... .... ... ... ... ...  ... .... ... ... ... ...  ... .... ... ... ... ... 

STACK_TEXT:  
0000002f`12f3e090 00007ff8`522c5abf : 00000000`00000000 0000002f`12f3f3c0 00000000`00000002 00000212`cb651d00 : combase!CServerContextActivator::CreateInstance+0x23a
0000002f`12f3e210 00007ff8`522d63d1 : 00000212`cb630000 0030002d`40000062 0000002f`12f3f110 00000000`00000000 : combase!ActivationPropertiesIn::DelegateCreateInstance+0xef
0000002f`12f3e2a0 00007ff8`522d5b62 : 00000000`00000000 00000000`00000000 0000002f`12f3e8e0 00000000`00000000 : combase!CApartmentActivator::CreateInstance+0xc1
0000002f`12f3e350 00007ff8`522d5e30 : 00007ff8`525144c0 00000000`00000000 0000002f`12f3f3c0 00007ff8`522c4850 : combase!CProcessActivator::CCICallback+0x72
0000002f`12f3e390 00007ff8`522d5c7e : 0000002f`12f3efe8 00000000`00000000 00000000`00000000 00007ff8`52278cb7 : combase!CProcessActivator::AttemptActivation+0x40
0000002f`12f3e3e0 00007ff8`522d608b : 00007ff8`525144b0 00000000`524a32c0 00000000`00000000 00000000`00000017 : combase!CProcessActivator::ActivateByContext+0xae

 ... .... ... ... ... ...  ... .... ... ... ... ...  ... .... ... ... ... ...  ... .... ... ... ... ... 


FAULTING_SOURCE_CODE:  
    30: 
    31:  IService* pComponent = nullptr;
    32: 
    33:  std::cerr << "Creating COM Instance" << std::endl;
>   34:  hr = CoCreateInstance(
    35:          // REFCLSID or GUID rclsid
    36:          clsid, //IID_IUnknown,
    37:          // LPUNKNOWN pUnkOuter 
    38:          NULL,
    39:          // DWORD dwClsContext


... ... 

FAILURE_ID_HASH_STRING:  um:null_pointer_read_c0000005_client.exe!main

FAILURE_ID_HASH:  {38138cf1-8f6c-6157-2e18-446b4fc12b02}

Followup:     MachineOwner
---------

0:000> !peb

PEB at 000000dc0a234000
    InheritedAddressSpace:    No
    ReadImageFileExecOptions: No
    BeingDebugged:            Yes
    ImageBaseAddress:         00007ff691ee0000
    Ldr                       00007ff82ddbc360
    Ldr.Initialized:          Yes
    Ldr.InInitializationOrderModuleList: 0000026976932eb0 . 00000269769335d0
    Ldr.InLoadOrderModuleList:           0000026976933060 . 0000026976933c60
    Ldr.InMemoryOrderModuleList:         0000026976933070 . 0000026976933c70
                    Base TimeStamp                     Module
            7ff691ee0000 5b89d00b Aug 31 16:32:27 2018 C:\Users\archbox\Desktop\wincpp\out.exe
            7ff82dc60000 6d15b6d7 Dec 29 20:06:47 2027 C:\WINDOWS\SYSTEM32\ntdll.dll
            7ff82b0f0000 5f488a51 Aug 27 21:38:41 2020 C:\WINDOWS\System32\KERNEL32.DLL
            7ff82aae0000 b0bb231d Dec 16 10:10:37 2063 C:\WINDOWS\System32\KERNELBASE.dll
    SubSystemData:     0000000000000000
    ProcessHeap:       0000026976930000
 ... ... ... ....  ... ... ... ....  ... ... ... ....  ... ... ... ....  ... ... ... .... 

0:000> !teb
TEB at 000000dc0a235000
    ExceptionList:        0000000000000000
    StackBase:            000000dc0a180000
    StackLimit:           000000dc0a17d000
    SubSystemTib:         0000000000000000
    FiberData:            0000000000001e00
    ArbitraryUserPointer: 0000000000000000
    Self:                 000000dc0a235000
    EnvironmentPointer:   0000000000000000
    ClientId:             0000000000001940 . 0000000000000b24
    RpcHandle:            0000000000000000
    Tls Storage:          000000dc0a235058
    PEB Address:          000000dc0a234000
    LastErrorValue:       0
    LastStatusValue:      c00000bb
    Count Owned Locks:    0
    HardErrorMode:        0
TEB at 000000dc0a235000
    ExceptionList:        0000000000000000
    StackBase:            000000dc0a180000
    StackLimit:           000000dc0a17d000
    SubSystemTib:         0000000000000000
    FiberData:            0000000000001e00
    ArbitraryUserPointer: 0000000000000000
    Self:                 000000dc0a235000
    EnvironmentPointer:   0000000000000000
    ClientId:             0000000000001940 . 0000000000000b24
    RpcHandle:            0000000000000000
    Tls Storage:          000000dc0a235058
    PEB Address:          000000dc0a234000
    LastErrorValue:       0
    LastStatusValue:      c00000bb
    Count Owned Locks:    0
    HardErrorMode:        0

0:000> dt ntdll!*

          ntdll!LIST_ENTRY64
          ntdll!LIST_ENTRY32
          ntdll!SE_WS_APPX_SIGNATURE_ORIGIN
          ntdll!_PS_MITIGATION_OPTION
          ntdll!_PS_MITIGATION_OPTIONS_MAP
          ntdll!_PS_MITIGATION_AUDIT_OPTIONS_MAP
          ntdll!_KSYSTEM_TIME
          ntdll!_NT_PRODUCT_TYPE
          ntdll!_ALTERNATIVE_ARCHITECTURE_TYPE
          ntdll!_KUSER_SHARED_DATA
          ntdll!<unnamed-tag>
          ntdll!_ULARGE_INTEGER
          ntdll!_TP_POOL
          ntdll!_TP_CLEANUP_GROUP
          ntdll!_ACTIVATION_CONTEXT
          ... ... ... ... ... 

:000> dt ntdll!_peb

   +0x000 InheritedAddressSpace : UChar
   +0x001 ReadImageFileExecOptions : UChar
   +0x002 BeingDebugged    : UChar
   +0x003 BitField         : UChar
    ... ... ... ... ... 

0:000> dt ntdll!_PEB @$peb

   +0x000 InheritedAddressSpace : 0 ''
   +0x001 ReadImageFileExecOptions : 0 ''
   +0x002 BeingDebugged    : 0x1 ''
   +0x003 BitField         : 0x4 ''
   +0x003 ImageUsesLargePages : 0y0
   +0x003 IsProtectedProcess : 0y0
   +0x003 IsImageDynamicallyRelocated : 0y1
   +0x003 SkipPatchingUser32Forwarders : 0y0
   +0x003 IsPackagedProcess : 0y0
   +0x003 IsAppContainer   : 0y0
   +0x003 IsProtectedProcessLight : 0y0
   +0x003 IsLongPathAwareProcess : 0y0
   +0x004 Padding0         : [4]  ""
   +0x008 Mutant           : 0xffffffff`ffffffff Void
   +0x010 ImageBaseAddress : 0x00007ff6`c7f40000 Void
   +0x018 Ldr              : 0x00007ff8`2ddbc360 _PEB_LDR_DATA
   +0x020 ProcessParameters : 0x000001d7`cc5825c0 _RTL_USER_PROCESS_PARAMETERS
   +0x028 SubSystemData    : (null) 
   +0x030 ProcessHeap      : 0x000001d7`cc580000 Void
   +0x038 FastPebLock      : 0x00007ff8`2ddbbe80 _RTL_CRITICAL_SECTION
   +0x040 AtlThunkSListPtr : (null) 
   +0x048 IFEOKey          : (null) 
   +0x050 CrossProcessFlags : 1
   +0x050 ProcessInJob     : 0y1
   +0x050 ProcessInitializing : 0y0
 .. ... ... .. ... ... .. ... ... .. ... ... 

start             end                 module name
start             end                 module name
00007ff6`91ee0000 00007ff6`91fec000   00007ff6`91ee0000 00007ff6`91fec000   outout      out.exe     
00007ff8`2aae0000 00007ff8`2ad53000         out.exe     
00007ff8`2aae0000 00007ff8`2ad53000   KERNELBASEKERNELBASE C:\WINDOWS\System32\KERNELBASE.dll
00007ff8`2b0f0000 00007ff8`2b1a2000    C:\WINDOWS\System32\KERNELBASE.dll
00007ff8`2b0f0000 00007ff8`2b1a2000   KERNEL32KERNEL32 C:\WINDOWS\System32\KERNEL32.DLL
00007ff8`2dc60000 00007ff8`2de41000    C:\WINDOWS\System32\KERNEL32.DLL
00007ff8`2dc60000 00007ff8`2de41000   ntdllntdll    ntdll.dll   
    ntdll.dll