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The new monitor component at os/src/monitor is the designated successor of the gdb_monitor. This initial version, however, implements only the subset needed to inspect the memory of the monitored component(s). In contrast to the gdb_monitor, the new component supports the monitoring of multiple components, leveraging the sandbox API. It can therefore be used as a drop-in replacement for the init component. Like the gdb_monitor, the new monitor speaks the GDB protocol over Genode's terminal session. But the protocol implementation does not re-use any gdbserver code, sidestepping the complexities of POSIX. There exist two run scripts illustrating the new component. The os/run/monitor.run script exercises memory inspection via the 'm' command by letting a test program monitor itself. The os/run/monitor_gdb.run script allows for the interactive use of GDB to interact with monitored components. Issue #4917
81 lines
1.8 KiB
Plaintext
81 lines
1.8 KiB
Plaintext
proc platform_supported { } {
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if {[have_spec x86_64] && [have_board pc]} {
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if {![have_spec linux] && ![have_spec foc] && ![have_spec sel4]} {
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return 1 } }
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return 0
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}
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if {![platform_supported]} {
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puts "Run script is not supported on this platform"
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exit 0
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}
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build { core lib/ld init timer monitor test/monitor server/terminal_crosslink }
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create_boot_directory
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install_config {
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<config>
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<parent-provides>
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<service name="LOG"/>
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<service name="PD"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="CPU"/>
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<service name="ROM"/>
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<service name="RM"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<default caps="100"/>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="Timer"/> </provides>
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</start>
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<start name="terminal_crosslink" caps="100">
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="Terminal"/> </provides>
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<config/>
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</start>
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<start name="monitor" caps="1000">
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<resource name="RAM" quantum="100M"/>
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<config>
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<parent-provides>
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<service name="LOG"/>
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<service name="PD"/>
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<service name="CPU"/>
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<service name="ROM"/>
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<service name="RM"/>
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<service name="Timer"/>
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<service name="Terminal"/>
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</parent-provides>
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<default caps="100"/>
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<monitor>
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<policy label="test-monitor" stop="no" wx="yes" />
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</monitor>
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<start name="test-monitor">
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<resource name="RAM" quantum="32M"/>
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<route>
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<service name="PD"> <local/> </service>
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<service name="CPU"> <local/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</config>
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</start>
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</config>
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}
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build_boot_image [build_artifacts]
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append qemu_args "-nographic "
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run_genode_until {\[init -> monitor\] child "test-monitor" exited with exit value 0.*\n} 30
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