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[*] Initial strace run with jchroot on the command ./usr/bin/gdbserver to identify missing areas
[*] Emulating binary name: gdbserver in strace mode to identify missing areas (with jchroot)
[*] Emulator used: qemu-mipsel-static
[*] Chroot environment used: jchroot
[*] Using root directory: /logs/s115_usermode_emulator/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract (1/1)
[*] Using CPU config:
1 brk(NULL) = 0x00473838
1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3ffc8000
1 uname(0x4071e700) = 0
1 access("/etc/ld.so.preload",R_OK) = -1 errno=2 (No such file or directory)
1 openat(AT_FDCWD,"/etc/ld.so.cache",O_RDONLY|O_CLOEXEC) = -1 errno=2 (No such file or directory)
1 openat(AT_FDCWD,"/lib/tls/libdl.so.2",O_RDONLY|O_CLOEXEC) = 3
1 read(3,0x4071e484,512) = 512
1 prctl(46,9,1081205892,512,1073770496,0) = 0
1 _llseek(3,0,680,0x4071e240,SEEK_SET) = 0
1 read(3,0x4071e270,32) = 32
1 fstat64(3,0x4071e348) = 0
1 mmap2(NULL,73952,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3ffb5000
1 mprotect(0x3ffb7000,61440,PROT_NONE) = 0
1 mmap2(0x3ffc6000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x1) = 0x3ffc6000
1 close(3) = 0
1 openat(AT_FDCWD,"/lib/tls/libm.so.6",O_RDONLY|O_CLOEXEC) = 3
1 read(3,0x4071e46c,512) = 512
1 prctl(46,9,1081205868,512,1073770496,0) = 0
1 _llseek(3,0,648,0x4071e228,SEEK_SET) = 0
1 read(3,0x4071e258,32) = 32
1 fstat64(3,0x4071e330) = 0
1 mmap2(NULL,1061936,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3feb1000
1 mprotect(0x3ffa4000,61440,PROT_NONE) = 0
1 mmap2(0x3ffb3000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0xf2) = 0x3ffb3000
1 close(3) = 0
1 openat(AT_FDCWD,"/lib/tls/libgcc_s.so.1",O_RDONLY|O_CLOEXEC) = 3
1 read(3,0x4071e454,512) = 512
1 prctl(46,9,1081205844,512,1073770496,0) = 0
1 fstat64(3,0x4071e318) = 0
1 mmap2(NULL,144160,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3fe8d000
1 mprotect(0x3fea0000,61440,PROT_NONE) = 0
1 mmap2(0x3feaf000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x12) = 0x3feaf000
1 mprotect(0x4071e000,4096,PROT_EXEC|PROT_READ|PROT_WRITE|PROT_GROWSDOWN) = 0
1 close(3) = 0
1 openat(AT_FDCWD,"/lib/tls/libc.so.6",O_RDONLY|O_CLOEXEC) = 3
1 read(3,0x4071e43c,512) = 512
1 prctl(46,13,1081205820,512,1073770496,0) = 0
1 _llseek(3,0,792,0x4071e1f8,SEEK_SET) = 0
1 read(3,0x4071e228,32) = 32
1 fstat64(3,0x4071e300) = 0
1 mmap2(NULL,1630336,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3fcfe000
1 mprotect(0x3fe74000,61440,PROT_NONE) = 0
1 mmap2(0x3fe83000,28672,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x175) = 0x3fe83000
1 mmap2(0x3fe8a000,8320,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0) = 0x3fe8a000
1 close(3) = 0
1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3fcfc000
1 set_thread_area(0x3fd034a0) = 0
1 mprotect(0x3fe83000,16384,PROT_READ) = 0
1 mprotect(0x3feaf000,4096,PROT_READ) = 0
1 mprotect(0x3ffb3000,4096,PROT_READ) = 0
1 mprotect(0x3ffc6000,4096,PROT_READ) = 0
1 mprotect(0x00467000,8192,PROT_READ) = 0
1 mprotect(0x3fffe000,4096,PROT_READ) = 0
1 brk(NULL) = 0x00473838
1 brk(0x00494838) = 0x00494838
1 brk(0x00495000) = 0x00495000
1 getcwd(0x47caa8,4096) = 2
1 write(2,0x43cb4c,2234)Usage: gdbserver [OPTIONS] COMM PROG [ARGS ...]
gdbserver [OPTIONS] --attach COMM PID
gdbserver [OPTIONS] --multi COMM
COMM may either be a tty device (for serial debugging),
HOST:PORT to listen for a TCP connection, or '-' or 'stdio' to use
stdin/stdout of gdbserver.
PROG is the executable program. ARGS are arguments passed to inferior.
PID is the process ID to attach to, when --attach is specified.
Operating modes:
--attach Attach to running process PID.
--multi Start server without a specific program, and
only quit when explicitly commanded.
--once Exit after the first connection has closed.
--help Print this message and then exit.
--version Display version information and exit.
Other options:
--wrapper WRAPPER -- Run WRAPPER to start new programs.
--disable-randomization
Run PROG with address space randomization disabled.
--no-disable-randomization
Don't disable address space randomization when
starting PROG.
--startup-with-shell
Start PROG using a shell. I.e., execs a shell that
then execs PROG. (default)
--no-startup-with-shell
Exec PROG directly instead of using a shell.
Disables argument globbing and variable substitution
on UNIX-like systems.
Debug options:
--debug Enable general debugging output.
--debug-format=opt1[,opt2,...]
Specify extra content in debugging output.
Options:
all
none
timestamp
--remote-debug Enable remote protocol debugging output.
--disable-packet=opt1[,opt2,...]
Disable support for RSP packets or features.
Options:
vCont, Tthread, qC, qfThreadInfo and
threads (disable all threading packets).
For more information, consult the GDB manual (available as on-line
info or a printed manual).
= 2234
1 exit_group(1)
[*] Identification of missing filesytem areas.
[*] Found missing area: /etc/ld.so.cache
[*] Trying to identify this missing file: ld.so.cache
[*] Missing file /logs/s115_usermode_emulator/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/ld.so.cache
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