guohao15 opened a new pull request, #17511:
URL: https://github.com/apache/nuttx/pull/17511
## Summary
Add some gdb plugin command for debug
info romfs : dump romfs information cached in memory
E.g.
(gdb) info romfs -P /system
Romfs /system mount point information: 0x40861190
HW sector size: 512 HW sector number: 89856
Volume size: 46006208 XIP_addr: 0x0 Buffer_addr: 0x4085ec88
├── / offset:32 next:1 size:0 child_count:1
│ ├── font/ offset:128 next:9 size:0 child_count:7
│ │ └── MI_Lan_Pro_Medium.ttf offset:5172176 next:13911490
size:8739260 child_count:0
│ │ └── MiSansW_Demibold.ttf offset:2594656 next:5172178
size:2577464 child_count:0
│ │ └── MiSansW_Normal.ttf offset:43396912 next:2 size:2609248
child_count:0
│ │ └── MiSansW_Regular.ttf offset:128 next:2594658 size:2594476
child_count:0
│ │ ├── plus/ offset:25698912 next:33643465 size:0 child_count:1
│ │ │ ├── font/ offset:25698944 next:33643401 size:0 child_count:1
│ │ │ │ └── MiSansW_Normal.ttf offset:25699008 next:2
size:7944332 child_count:0
│ │ └── simhei.ttf offset:33643488 next:43396922 size:9753388
child_count:0
│ │ └── simkai.ttf offset:13911520 next:25698882 size:11787328
child_count:0
info fatfs: dump fatfs information cached in memory
eg:
(gdb) info fatfs -F 0x4245e544
Fatfs /data mount point information: 0x4025bf00
{
fat = {
win = "APP "...,
fs_type = 2 '\002',
pdrv = 0 '\000',
n_fats = 2 '\002',
wflag = 0 '\000',
fsi_flag = 129 '\201',
id = 1,
n_rootdir = 512,
csize = 8,
lfnbuf = 0x40262e38 <buf+93400>,
dirbuf = 0x40263038 <buf+93912> "",
last_clst = 4294967295,
free_clst = 44453,
n_fatent = 65469,
fsize = 256,
volbase = 0,
fatbase = 8,
dirbase = 520,
database = 552,
bitbase = 0,
bitdirty = 0 '\000',
bitcache = 0x0,
winsect = 520
},
pdrv = 0 '\000',
lock = {
sem = {
semcount = 1,
flags = 4 '\004',
waitlist = {
head = 0x0,
tail = 0x0
}
},
holder = -1
},
nb = {
notifier_call = 0x66d5a9 <fatfs_reboot_notifier>,
next = 0x0,
priority = 0
}
}
Fatfs /data driver information: 0x4227680c
ratio 0x1
block operations:
{
open = 0x60fc01 <virtio_blk_open>,
close = 0x60fbbd <virtio_blk_close>,
read = 0x60fe65 <virtio_blk_read>,
write = 0x60fe05 <virtio_blk_write>,
geometry = 0x60fb61 <virtio_blk_geometry>,
ioctl = 0x60fc45 <virtio_blk_ioctl>,
unlink = 0x0
}
Fatfs filep information: 0x4245e544
{
f_oflags = 1025,
f_refs = 2,
f_pos = 0,
f_inode = 0x4025be88 <buf+64808>,
f_priv = 0x4025fa80 <buf+80160>,
f_tag_fdsan = 0,
f_tag_fdcheck = 89 'Y',
locked = false
}
Fatfs file information: 0x4025fa80
{
f = {
buf = '\000' <repeats 511 times>,
obj = {
fs = 0x4025bf00 <buf+64928>,
id = 1,
attr = 0 '\000',
stat = 0 '\000',
sclust = 19977,
objsize = 12288,
n_cont = 1076215648,
n_frag = 1414743380,
c_scl = 1162297680,
c_size = 119545888,
c_ofs = 4294967295
},
flag = 1 '\001',
err = 0 '\000',
fptr = 0,
clust = 4158,
sect = 0,
dir_sect = 520,
dir_ptr = 0x4025bf40 <buf+64992> "PERSIST DB \030",
cltbl = 0x0
},
refs = 1,
path = "0:persist.db...
}
## Impact
## Testing
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