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+==============
+minidumpserver
+==============
+
+Introduction
+============
+
+This tool can utilize a crash log on a PC to simulate a set of GDB server functionalities,
+enabling the use of GDB to debug the context of a NuttX crash.
+The script directory is located in `tools/minidumpserver.py`.
+
+Usage
+=====
+
+We can use `-h` to get help information:
+```bash
+$usage: minidumpserver.py [-h] -e ELFFILE -l LOGFILE [-a {arm,arm-a,arm-t,riscv,esp32s3,xtensa}] [-p PORT] [--debug]
+
+options:
+  -h, --help            show this help message and exit
+  -e ELFFILE, --elffile ELFFILE
+                        elffile
+  -l LOGFILE, --logfile LOGFILE
+                        logfile
+  -a {arm,arm-a,arm-t,riscv,esp32s3,xtensa}, --arch {arm,arm-a,arm-t,riscv,esp32s3,xtensa}
+                        select architecture,if not use this options, The architecture will be inferred from the logfile
+  -p PORT, --port PORT  gdbport
+  --debug
+```
+
+Example
+=======
+1. Use ./tools/configure.sh esp32s3-devkit:nsh and disable `CONFIG_NSH_DISABLE_MW`.
+2. `make -j`
+3. Flash image to esp32s3-devkit.
+4. Run `minicom -D /dev/ttyUSB0 -b 115200` and reset esp32s3-devkit.
+5. Use `mw -1` on nsh to trigger a crash.
+6. Get the crash log from minicom and save it to `crash.log`.
+```
+up_dump_register:    PC: 42009cd8    PS: 00060820
+up_dump_register:    A0: 82007d71    A1: 3fc8b6d0    A2: 3fc8b8e0    A3: 00000000
+up_dump_register:    A4: ffffffff    A5: 00000000    A6: 00000001    A7: 00000000
+up_dump_register:    A8: ffffffff    A9: 3fc8b690   A10: ffffffff   A11: 00000000
+up_dump_register:   A12: 0000002d   A13: 0000002d   A14: 3fc8bb6d   A15: 0fffffff
+up_dump_register:   SAR: 00000000 CAUSE: 0000001c VADDR: ffffffff
+up_dump_register:  LBEG: 40055499  LEND: 400554a9  LCNT: fffffffc
+dump_stack: User Stack:
+dump_stack:   base: 0x3fc8b0e0
+dump_stack:   size: 00002000
+dump_stack:     sp: 0x3fc8b6d0
+stack_dump: 0x3fc8b6c0: 82007770 3fc8b700 3fc8b8e0 00000002 ffffffff 3fc89f54 00060e20 00000000
+stack_dump: 0x3fc8b6e0: 3fc8b8e0 3fc8b778 00000000 3fc8b750 82007850 3fc8b720 3fc8b8e0 00000002
+stack_dump: 0x3fc8b700: 3fc8b720 42009c84 3fc8bb68 3fc8b8e0 82006b04 3fc8b7d0 3fc8b8e0 3fc8bb68
+stack_dump: 0x3fc8b720: 3fc8bb68 3fc8bb6b 00000000 00000000 00000000 00000000 00000000 00000000
+stack_dump: 0x3fc8b740: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
+stack_dump: 0x3fc8b760: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 3fc8bb69
+stack_dump: 0x3fc8b780: 82006ad5 00000000 00000000 00000040 00000040 3fc8bb6e 3fc8adf8 0000002c
+stack_dump: 0x3fc8b7a0: ffffffff 00000005 00000000 00000000 3fc8bae0 00000000 00000000 00000000
+stack_dump: 0x3fc8b7c0: 820068a2 3fc8b800 3fc8b8e0 3c020837 00000001 3fc8b800 3fc8b8e0 3c020837
+stack_dump: 0x3fc8b7e0: 0000000a 3fc8bae0 00000001 3fc8bb68 82006865 3fc8b820 00000001 3fc8b0c0
+stack_dump: 0x3fc8b800: 00000001 3fc8bb68 00000000 3fc8ae1c 82003618 3fc8b840 00000001 3fc8b0c0
+stack_dump: 0x3fc8b820: 3fc8b8e0 00000000 00000000 00000000 820019dc 3fc8b870 42006834 00000001
+stack_dump: 0x3fc8b840: 00000064 00000000 00000000 00000000 3c0225d8 3fc89590 00000000 3fc880cc
+stack_dump: 0x3fc8b860: 00000000 3fc8b890 00000000 00000000 3fc8b0c0 00000002 00000000 3fc8ad98
+stack_dump: 0x3fc8b880: 00000000 3fc8b8b0 00000000 00000000 00000000 00000000 00000000 00000000
+```
+7. Run `./tools/minidumpserver.py -e nuttx -l crash.log -p 1234 -a esp32s3`
+8. Run `xtensa-esp32s3-elf-gdb nuttx -ex "target remote 127.0.0.1:1234"`
+
+```bash
+GNU gdb (esp-gdb) 12.1_20221002
+Copyright (C) 2022 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 "--host=x86_64-linux-gnu --target=xtensa-esp-elf".
+Type "show configuration" for configuration details.
+For bug reporting instructions, please see:
+<https://www.gnu.org/software/gdb/bugs/>.
+Find the GDB manual and other documentation resources online at:
+    <http://www.gnu.org/software/gdb/documentation/>.
+
+For help, type "help".
+Type "apropos word" to search for commands related to "word"...
+Reading symbols from nuttx...
+Remote debugging using 127.0.0.1:1234
+0x42009cd8 in cmd_mw (vtbl=0x3fc8b8e0, argc=<optimized out>, argv=<optimized out>) at nsh_dbgcmds.c:259
+259               nsh_output(vtbl, "  %p = 0x%08" PRIx32, ptr, *ptr);
+(gdb) bt
+#0  0x42009cd8 in cmd_mw (vtbl=0x3fc8b8e0, argc=<optimized out>, argv=<optimized out>) at nsh_dbgcmds.c:259
+#1  0x42007d71 in nsh_command (vtbl=0x3fc8b8e0, argc=2, argv=0x3fc8b720) at nsh_command.c:1154
+#2  0x42007770 in nsh_execute (oflags=<optimized out>, redirfile=0x0, argv=0x3fc8b720, argc=2, vtbl=0x3fc8b8e0)
+    at nsh_parse.c:845
+#3  nsh_parse_command (vtbl=0x3fc8b8e0, cmdline=<optimized out>) at nsh_parse.c:2744
+#4  0x42007850 in nsh_parse (vtbl=0x3fc8b8e0,
+    cmdline=0x3fc8bb68 <error: Cannot access memory at address 0x3fc8bb68>) at nsh_parse.c:2828
+#5  0x42006b04 in nsh_session (pstate=0x3fc8b8e0, login=<optimized out>, argc=1, argv=<optimized out>)
+    at nsh_session.c:245
+#6  0x420068a2 in nsh_consolemain (argc=1, argv=0x3fc8b0c0) at nsh_consolemain.c:71
+#7  0x42006865 in nsh_main (argc=1, argv=0x3fc8b0c0) at nsh_main.c:74
+#8  0x42003618 in nxtask_startup (entrypt=0x42006834 <nsh_main>, argc=1, argv=0x3fc8b0c0)
+    at sched/task_startup.c:70
+#9  0x420019dc in nxtask_start () at task/task_start.c:134
+(gdb)
+````
+
+How to add new architecture
+===========================
+
+The main objective is to establish the sequence of registers in GDB,
+aligning the register names in the crash log with the order of registers in GDB.
+This alignment will facilitate the creation of a new architecture's GDB server.