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Finally let’s take a look at the classic diamond shaped inheritance graph:class Root {public: virtual ~Root(); int a { 3 };};class Left : virtual public Root {public: virtual ~Left(); int b { 5 };};class Right : virtual public Root {public: virtual ~Right(); int c { 7 };};class Derived : public Left, public Right {pu... 阅64 转0 评0 公众公开 20-07-29 20:25 |
Memory Layout of C Object in Different Scenarios...1 Memory Layout of Simple &Non-Polymorphic Object in C 2 Layout of an Object With Virtual Function &Static Data Member3 Layout of C Object With Inheritance4 Memory Layout of an Object With Multiple Inheritances &Virtual Function5 Layout of Object Having Vi... 阅75 转0 评0 公众公开 20-07-28 17:49 |
C Object Layout and Casting C Object Layout and Casting July 13, 2019 ·.std::cout <<''''''''c_ptr = '''''''' <<c_ptr <<std::endl;std::cout <<''''''''(A *)c_ptr = ''''''&... 阅73 转0 评0 公众公开 20-07-28 17:33 |
cfun->eh->ttype_data vector (gcc/except.h) contains the types data in GCC and functions such as dw2_asm_output_encoded_addr_rtx (gcc/dwarf2asm.c) can be used to generate the output.This table may be generated by either dw2_output_call_site_table or sjlj_output_call_site_table functions (gcc/except.c) in GCC.Entr... 阅112 转0 评0 公众公开 20-07-21 10:35 |
GNU Binutils: the ELF Swiss Army Knife | Interrupt.$ arm-none-eabi-objcopy firmware.elf firmware.bin -O binary.$ python pyelftools_size.py nrf52_example/build/nrf52.elf text data bss dec hexfilename 6340 244 11684 18268 475cnrf52_example/build/nrf52.elf$ arm-none-eabi-size nrf52_example/build/nrf52.elf text data bss d... 阅171 转0 评0 公众公开 20-07-21 10:23 |
static void foo_a(){}static void bar_a(){}b.c:#include "module.h"struct module module_b = {.foo = foo_b;module.h:struct module {void (*foo)();module.c:#include "module.h"extern struct module module_a;a.c:...struct module __attribute__ ((section (".modules"))) module_a = {.foo = foo_a,.bar... 阅34 转0 评0 公众公开 20-07-17 09:18 |
The sed full form is a “Stream EDitor”. This sed command is UNIX utility. A “non-interactive” text editor that could be called from the UNIX command line. It input text flows through the program, is modified, and is directed to standard output.Different ways to Invoke Sed: sed –e ''''''&... 阅116 转0 评0 公众公开 20-07-16 11:08 |
$ sed ''''''''s/^[AEIOU][a-z]*/\*&\*/'''''''' oneOS.txt*One* OS to rule them all,*One* OS to find them.*One* OS to call them all,*And* in salvation bind them.*In* the bright land of Linux,Where the hackers play.$ sed '''''''... 阅56 转0 评0 公众公开 20-07-16 11:07 |
Displaying Stack Frames in gdb with Python。(gdb) watch $rspWatchpoint 2: $rsp(gdb) continue.(gdb) watch fooHardware watchpoint 2: foo(gdb) disable 2(gdb) b main.cpp:28Breakpoint 3 at 0x55555555468e: file main.cpp, line 28(gdb) commands 3Type commands for breakpoint(s) 3, one per line.Creating a gdb Command.(gdb) sour... 阅86 转0 评0 公众公开 20-07-10 17:59 |
This class conforms to the Python iterator protocol by implementing a next() method, which returns the next value of the vector (actually a name/value pair) and raises a StopIteration exception when no more entries are found in the vector.(gdb) print v$1 = { <std::__1::__vector_base<int, std::__1::allocator<i... 阅24 转0 评0 公众公开 20-07-10 17:57 |
