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Pass config to child of GDB monitor 

With this patch GDB monitor provides a 'config' file to the target. Its
content can be defined in the <config> sub node of the <target> XML node.

Fixes #179.
This commit is contained in:
Christian Prochaska 2012-04-16 13:30:32 +02:00 committed by Norman Feske
parent ff3e08f9ea
commit 674e898af3
2 changed files with 17 additions and 2 deletions
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13
ports/src/app/gdb_monitor/app_child.h
View File

@ -20,6 +20,7 @@
#include <base/child.h>
#include <base/service.h>
#include <init/child_config.h>
#include <init/child_policy.h>
#include <util/arg_string.h>
@ -46,7 +47,10 @@ namespace Gdb_monitor {
Service_registry *_parent_services;
Service_registry _local_services;
Init::Child_config _child_config;
Init::Child_policy_provide_rom_file _binary_policy;
Init::Child_policy_provide_rom_file _config_policy;
Gdb_stub_thread _gdb_stub_thread;
Object_pool<Dataspace_object> _managed_ds_map;
@ -234,12 +238,15 @@ namespace Gdb_monitor {
Genode::Ram_session_capability ram_session,
Genode::Cap_session *cap_session,
Service_registry *parent_services,
Genode::Rpc_entrypoint *root_ep)
Genode::Rpc_entrypoint *root_ep,
Xml_node target_node)
: Init::Child_policy_enforce_labeling(unique_name),
_unique_name(unique_name),
_entrypoint(cap_session, STACK_SIZE, "GDB monitor entrypoint name"),
_parent_services(parent_services),
_child_config(ram_session, target_node),
_binary_policy("binary", elf_ds, &_entrypoint),
_config_policy("config", _child_config.dataspace(), &_entrypoint),
_gdb_stub_thread(),
_rm_root(&_entrypoint, env()->heap() /* should be _child.heap() */, &_managed_ds_map, &_gdb_stub_thread),
_rm_session_cap(_get_rm_session_cap()),
@ -281,6 +288,10 @@ namespace Gdb_monitor {
if ((service = _binary_policy.resolve_session_request(service_name, args)))
return service;
/* check for config file request */
if ((service = _config_policy.resolve_session_request(service_name, args)))
return service;
service = _local_services.find(service_name);
if (service)
return service;

6
ports/src/app/gdb_monitor/main.cc
View File

@ -62,6 +62,9 @@ int main()
return -1;
}
/* extract target node from config file */
Xml_node target_node = config()->xml_node().sub_node("target");
/* reserve some memory for gdb_monitor and give the rest to the child */
Number_of_bytes ram_quota = env()->ram_session()->avail() - 2*1024*1024;
@ -99,7 +102,8 @@ int main()
ram.cap(),
&cap_session,
&parent_services,
&child_root_ep);
&child_root_ep,
target_node);
sleep_forever();
return 0;