3rd-party/linux-kernel-module-cheat
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run: --tmux-args implies --tmux

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Ciro Santilli 六四事件 法轮功
2019-01-22 00:00:00 +00:00
parent f2e73bac83
commit 4ae3dea975
3 changed files with 12 additions and 9 deletions
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11
README.adoc
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@@ -968,7 +968,7 @@ This automatically clears the GDB pane, and starts a new one.
Pass extra GDB arguments with: Pass extra GDB arguments with:
.... ....
./run --wait-gdb --tmux --tmux-args start_kernel ./run --wait-gdb --tmux-args start_kernel
.... ....
See the tmux manual for further details: See the tmux manual for further details:
@@ -2994,7 +2994,6 @@ Or alternatively, if you are using <<tmux>>, do everything in one go with:
./run \ ./run \
--arch aarch64 \ --arch aarch64 \
--userland print_argv \ --userland print_argv \
--tmux \
--tmux-args main \ --tmux-args main \
--wait-gdb \ --wait-gdb \
-- \ -- \
@@ -5127,7 +5126,7 @@ If `CONFIG_KALLSYMS=n`, then addresses are shown on traces instead of symbol plu
In v4.16 it does not seem possible to configure that at runtime. GDB step debugging with: In v4.16 it does not seem possible to configure that at runtime. GDB step debugging with:
.... ....
./run --eval-after 'insmod /dump_stack.ko' --wait-gdb --tmux --tmux-args dump_stack ./run --eval-after 'insmod /dump_stack.ko' --wait-gdb --tmux-args dump_stack
.... ....
shows that traces are printed at `arch/x86/kernel/dumpstack.c`: shows that traces are printed at `arch/x86/kernel/dumpstack.c`:
@@ -10350,13 +10349,13 @@ then on the second shell:
Or if you are a <<tmux,tmux pro>>, do everything in one go with: Or if you are a <<tmux,tmux pro>>, do everything in one go with:
.... ....
./run --arch arm --baremetal interactive/prompt --wait-gdb --tmux --tmux-args main ./run --arch arm --baremetal interactive/prompt --wait-gdb --tmux-args main
.... ....
Alternatively, to start from the very first executed instruction of our tiny <<baremetal-bootloaders>>: Alternatively, to start from the very first executed instruction of our tiny <<baremetal-bootloaders>>:
.... ....
./run --arch arm --baremetal interactive/prompt --wait-gdb --tmux --tmux-args --no-continue ./run --arch arm --baremetal interactive/prompt --wait-gdb --tmux-args --no-continue
.... ....
Now you can just `stepi` to when jumping into main to go to the C code in link:baremetal/interactive/prompt.c[]. Now you can just `stepi` to when jumping into main to go to the C code in link:baremetal/interactive/prompt.c[].
@@ -10364,7 +10363,7 @@ Now you can just `stepi` to when jumping into main to go to the C code in link:b
This is specially interesting for the executables that don't use the bootloader from under `baremetal/arch/<arch>/no_bootloader/*.S`, e.g.: This is specially interesting for the executables that don't use the bootloader from under `baremetal/arch/<arch>/no_bootloader/*.S`, e.g.:
.... ....
./run --arch arm --baremetal arch/arm/no_bootloader/semihost_exit --wait-gdb --tmux --tmux-args --no-continue ./run --arch arm --baremetal arch/arm/no_bootloader/semihost_exit --wait-gdb --tmux-args --no-continue
.... ....
The cool thing about those examples is that you start at the very first instruction of your program, which gives more control. The cool thing about those examples is that you start at the very first instruction of your program, which gives more control.

4
common.py
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@@ -518,7 +518,7 @@ Use gem5 instead of QEMU. Shortcut for `--emulator gem5`.
env['rootfs_raw_file'] = env['buildroot_rootfs_raw_file'] env['rootfs_raw_file'] = env['buildroot_rootfs_raw_file']
env['qcow2_file'] = env['buildroot_qcow2_file'] env['qcow2_file'] = env['buildroot_qcow2_file']
# Image. # Image
if env['baremetal'] is None: if env['baremetal'] is None:
if env['emulator'] == 'gem5': if env['emulator'] == 'gem5':
env['image'] = env['vmlinux'] env['image'] = env['vmlinux']
@@ -547,8 +547,10 @@ Use gem5 instead of QEMU. Shortcut for `--emulator gem5`.
env['source_path'] = source_path env['source_path'] = source_path
break break
env['image'] = path env['image'] = path
self.env = env self.env = env
def add_argument(self, *args, **kwargs): def add_argument(self, *args, **kwargs):
shortname, longname, key, is_option = self.get_key(*args, **kwargs) shortname, longname, key, is_option = self.get_key(*args, **kwargs)
if key in self._defaults: if key in self._defaults:

6
run
View File

@@ -64,7 +64,7 @@ See: https://github.com/cirosantilli/linux-kernel-module-cheat#replace-init
Pass an extra Linux kernel command line options, and place them before Pass an extra Linux kernel command line options, and place them before
the dash separator `-`. Only options that come before the `-`, i.e. the dash separator `-`. Only options that come before the `-`, i.e.
"standard" options, should be passed with this option. "standard" options, should be passed with this option.
Example: `./run -a arm -e 'init=/poweroff.out'` Example: `./run --arch arm --kernel-cli 'init=/poweroff.out'`
''' '''
) )
self.add_argument( self.add_argument(
@@ -178,7 +178,7 @@ to use this option:
self.add_argument( self.add_argument(
'--tmux-args', '--tmux-args',
help='''\ help='''\
Parameters to pass to the program running on the tmux split. Parameters to pass to the program running on the tmux split. Implies --tmux.
''' '''
) )
self.add_argument( self.add_argument(
@@ -559,6 +559,8 @@ Run QEMU with VNC instead of the default SDL. Connect to it with:
) )
if self.env['baremetal'] is None: if self.env['baremetal'] is None:
cmd.extend(append) cmd.extend(append)
if self.env['tmux_args'] is not None:
self.env['tmux'] = True
if self.env['tmux']: if self.env['tmux']:
tmux_args = '--run-id {}'.format(self.env['run_id']) tmux_args = '--run-id {}'.format(self.env['run_id'])
if self.env['emulator'] == 'gem5': if self.env['emulator'] == 'gem5':