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base: changes for GDB monitor

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- add a new function 'binary_ready_hook_for_gdb()' in ldso. GDB can set a
  breakpoint at this function to know when ldso has loaded the binary
  into memory.
- get the thread state from the NOVA kernel immediately on 'pause()'

Fixes #1968
This commit is contained in:
Christian Prochaska
2016-05-17 16:13:56 +02:00
committed by Christian Helmuth
parent 30e57d4581
commit 2cde1d36c1
24 changed files with 371 additions and 408 deletions
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4
repos/base-nova/src/lib/base/rpc_entrypoint.cc
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@ -215,8 +215,10 @@ Rpc_entrypoint::Rpc_entrypoint(Pd_session *pd_session, size_t stack_size,
_pd_session(*pd_session)
{
/* set magic value evaluated by thread_nova.cc to start a local thread */
if (native_thread().ec_sel == Native_thread::INVALID_INDEX)
if (native_thread().ec_sel == Native_thread::INVALID_INDEX) {
native_thread().ec_sel = Native_thread::INVALID_INDEX - 1;
native_thread().initial_ip = (addr_t)&_activation_entry;
}
/* required to create a 'local' EC */
Thread::start();

8
repos/base-nova/src/lib/base/thread_start.cc
View File

@ -29,7 +29,6 @@
/* NOVA includes */
#include <nova/syscalls.h>
#include <nova/util.h>
#include <nova_cpu_session/connection.h>
using namespace Genode;
@ -159,11 +158,12 @@ void Thread::start()
/* create EC at core */
Thread_state state;
state.sel_exc_base = native_thread().exc_pt_sel;
state.vcpu = native_thread().vcpu;
state.sel_exc_base = native_thread().exc_pt_sel;
state.vcpu = native_thread().vcpu;
state.global_thread = global;
/* local thread have no start instruction pointer - set via portal entry */
addr_t thread_ip = global ? reinterpret_cast<addr_t>(_thread_start) : 0;
addr_t thread_ip = global ? reinterpret_cast<addr_t>(_thread_start) : native_thread().initial_ip;
Cpu_thread_client cpu_thread(_thread_cap);
try { cpu_thread.state(state); }