ehmry/genode
ehmry
/
genode
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

gdb_monitor: API transition 

Issue #1987
This commit is contained in:
Christian Prochaska 2017-01-04 11:38:39 +01:00 committed by Norman Feske
parent 537dde1f40
commit 7a0bcbbccb
35 changed files with 735 additions and 891 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

0
repos/ports/lib/mk/spec/foc_arm/gdbserver_platform.mk → repos/ports/lib/mk/spec/arm/gdbserver_platform_foc.mk
View File

1
repos/ports/lib/mk/spec/foc/gdbserver_platform.mk Normal file
View File

@ -0,0 +1 @@
LIBS += gdbserver_platform_foc

1
repos/ports/lib/mk/spec/nova/gdbserver_platform.mk Normal file
View File

@ -0,0 +1 @@
LIBS += gdbserver_platform_nova

3
repos/ports/lib/mk/spec/nova_x86_32/gdbserver_platform.mk
View File

@ -1,3 +0,0 @@
SRC_CC = spec/nova_x86_32/low.cc native_cpu.cc
include $(REP_DIR)/lib/mk/spec/x86_32/gdbserver_platform.inc

3
repos/ports/lib/mk/spec/nova_x86_64/gdbserver_platform.mk
View File

@ -1,3 +0,0 @@
SRC_CC = spec/nova_x86_64/low.cc native_cpu.cc
include $(REP_DIR)/lib/mk/spec/x86_64/gdbserver_platform.inc

2
repos/ports/lib/mk/spec/foc_x86_32/gdbserver_platform.mk → repos/ports/lib/mk/spec/x86_32/gdbserver_platform_foc.mk
View File

@ -3,4 +3,4 @@ SRC_CC = spec/foc_x86_32/low.cc \
LIBS += syscall-foc
include $(REP_DIR)/lib/mk/spec/x86_32/gdbserver_platform.inc
include $(REP_DIR)/lib/mk/spec/x86_32/gdbserver_platform_x86_32.inc

3
repos/ports/lib/mk/spec/x86_32/gdbserver_platform_nova.mk Normal file
View File

@ -0,0 +1,3 @@
SRC_CC = spec/nova_x86_32/low.cc native_cpu.cc
include $(REP_DIR)/lib/mk/spec/x86_32/gdbserver_platform_x86_32.inc

0
repos/ports/lib/mk/spec/x86_32/gdbserver_platform.inc → repos/ports/lib/mk/spec/x86_32/gdbserver_platform_x86_32.inc
View File

3
repos/ports/lib/mk/spec/x86_64/gdbserver_platform_nova.mk Normal file
View File

@ -0,0 +1,3 @@
SRC_CC = spec/nova_x86_64/low.cc native_cpu.cc
include $(REP_DIR)/lib/mk/spec/x86_64/gdbserver_platform_x86_64.inc

0
repos/ports/lib/mk/spec/x86_64/gdbserver_platform.inc → repos/ports/lib/mk/spec/x86_64/gdbserver_platform_x86_64.inc
View File

25
repos/ports/run/debug_nitpicker.run
View File

@ -149,7 +149,30 @@ run_genode_until {.*\[init -> gdb_monitor\].*} 30
puts "GDB monitor is up, starting GDB in a new terminal"
exec [terminal] -e "[gdb] bin/nitpicker -ex \"target remote localhost:$local_port\"" &
source ${genode_dir}/repos/ports/run/gdb_monitor.inc
# GDB loads symbols from 'bin/ld.lib.so'
if { [have_spec nova] } {
exec ln -sf ld-nova.lib.so bin/ld.lib.so
}
if { [have_spec foc] } {
exec ln -sf ld-foc.lib.so bin/ld.lib.so
}
set gdb_target_binary "nitpicker"
# sequence of GDB commands to execute at startup
set gdb_cmds ""
append gdb_cmds "-ex \"target remote localhost:$local_port\" "
append gdb_cmds [gdb_initial_breakpoint_cmds $gdb_target_binary]
# ask the user for confirmations again
append gdb_cmds {-ex "set interactive-mode auto" }
puts "command: [gdb] bin/ld.lib.so $gdb_cmds"
exec [terminal] -e "[gdb] bin/ld.lib.so $gdb_cmds" &
interact -i [output_spawn_id]

19
repos/ports/run/gdb_monitor.inc
View File

@ -4,14 +4,12 @@
# \date 2013-09-04
#
proc gdb_main_breakpoint_cmds { target_binary_name } {
proc gdb_initial_breakpoint_cmds { target_binary_name } {
#
# We set a break in the 'main()' function of a dynamically linked
# application by using the following gdb command sequence. It's important that
# the 'main()' breakpoint gets set before the 'sharedlibrary' command is
# executed. Otherwise the breakpoint would get set in ld.lib.so's main()
# function.
# We set a break in the 'binary_ready_hook_for_gdb()' function in the
# dynamic linker and load the symbols of the application by using the
# following gdb command sequence.
#
set gdb_cmds ""
@ -31,20 +29,11 @@ proc gdb_main_breakpoint_cmds { target_binary_name } {
# load the symbols of the test application
append gdb_cmds "-ex \"file bin/$target_binary_name\" "
# set a breakpoint in the application's 'main()' function
append gdb_cmds {-ex "b main" }
# set search path for "sharedlibrary" to bin
append gdb_cmds {-ex "set solib-search-path bin" }
# load the symbols of loaded shared libraries
append gdb_cmds {-ex "sharedlibrary" }
# continue execution until the breakpoint triggers
append gdb_cmds {-ex "c" }
# delete the 'main()' breakpoint
append gdb_cmds {-ex "delete 2" }
return $gdb_cmds
}

20
repos/ports/run/gdb_monitor.run
View File

@ -90,7 +90,7 @@ install_config $config
# generic modules
set boot_modules {
core init timer
ld.lib.so libc.lib.so libc_pipe.lib.so libc_terminal.lib.so
ld.lib.so libc.lib.so libm.lib.so libc_pipe.lib.so libc_terminal.lib.so
uart_drv
gdb_monitor test-gdb_monitor
}
@ -120,12 +120,20 @@ puts "GDB monitor is up, starting GDB"
source ${genode_dir}/repos/ports/run/gdb_monitor.inc
# GDB loads symbols from 'bin/ld.lib.so'
if { [have_spec nova] } {
exec ln -sf ld-nova.lib.so bin/ld.lib.so
}
if { [have_spec foc] } {
exec ln -sf ld-foc.lib.so bin/ld.lib.so
}
set gdb_target_binary "test-gdb_monitor"
# sequence of GDB commands to execute at startup
set gdb_cmds ""
append gdb_cmds {-ex "target remote localhost:$local_port" }
append gdb_cmds [gdb_main_breakpoint_cmds $gdb_target_binary]
append gdb_cmds [gdb_initial_breakpoint_cmds $gdb_target_binary]
# run GDB and redirect stderr to stdio to get the relevant output into the expect buffer
eval spawn [gdb] bin/ld.lib.so -n $gdb_cmds 2&>1
@ -137,11 +145,19 @@ puts ""
run_genode_until {\(gdb\)} 60 $gdb_id
send "b main\n"
run_genode_until {\(gdb\)} 20 $gdb_id
send "c\n"
run_genode_until {\(gdb\)} 20 $gdb_id
if {![regexp {Breakpoint 2, main ()} $output]} {
puts stderr "*** Error: Breakpoint in main() did not trigger"
exit -1
}
send "delete 2\n"
run_genode_until {\(gdb\)} 20 $gdb_id
puts "\n"
puts "----- test: breakpoint in shared library -----"
puts ""

14
repos/ports/run/gdb_monitor_interactive.run
View File

@ -77,7 +77,7 @@ install_config $config
# generic modules
set boot_modules {
core init timer
ld.lib.so libc.lib.so libc_pipe.lib.so libc_terminal.lib.so
ld.lib.so libc.lib.so libm.lib.so libc_pipe.lib.so libc_terminal.lib.so
uart_drv
gdb_monitor test-gdb_monitor
}
@ -106,18 +106,26 @@ puts "GDB monitor is up, starting GDB in a new terminal"
source ${genode_dir}/repos/ports/run/gdb_monitor.inc
# GDB loads symbols from 'bin/ld.lib.so'
if { [have_spec nova] } {
exec ln -sf ld-nova.lib.so bin/ld.lib.so
}
if { [have_spec foc] } {
exec ln -sf ld-foc.lib.so bin/ld.lib.so
}
set gdb_target_binary "test-gdb_monitor"
# sequence of GDB commands to execute at startup
set gdb_cmds ""
append gdb_cmds "-ex \"target remote localhost:$local_port\" "
append gdb_cmds [gdb_main_breakpoint_cmds $gdb_target_binary]
append gdb_cmds [gdb_initial_breakpoint_cmds $gdb_target_binary]
# ask the user for confirmations again
append gdb_cmds {-ex "set interactive-mode auto" }
puts "command: [gdb] bin/$gdb_target_binary $gdb_cmds"
puts "command: [gdb] bin/ld.lib.so $gdb_cmds"
exec [terminal] -e "[gdb] bin/ld.lib.so $gdb_cmds" &

24
repos/ports/run/gdb_monitor_target_config.run
View File

@ -53,10 +53,16 @@ set config {
<config>
<target name="test-gdb_monitor_target_config">
<config>
<libc stdout="/dev/log" stderr="/dev/log">
<vfs> <dir name="dev"> <log/> </dir> </vfs>
</libc>
<test_config_subnode/>
</config>
</target>
<preserve name="RAM" quantum="3M"/>
<libc stdout="/dev/log" stderr="/dev/log">
<vfs> <dir name="dev"> <log/> </dir> </vfs>
</libc>
</config>
</start>
</config>
@ -98,15 +104,29 @@ run_genode_until {.*Remote debugging using /dev/terminal.*} 30
puts "GDB monitor is up, starting GDB in a new terminal"
source ${genode_dir}/repos/ports/run/gdb_monitor.inc
# GDB loads symbols from 'bin/ld.lib.so'
if { [have_spec nova] } {
exec ln -sf ld-nova.lib.so bin/ld.lib.so
}
if { [have_spec foc] } {
exec ln -sf ld-foc.lib.so bin/ld.lib.so
}
set gdb_target_binary "test-gdb_monitor_target_config"
# sequence of GDB commands to execute at startup
set gdb_cmds ""
append gdb_cmds "-ex \"target remote localhost:$local_port\" "
append gdb_cmds [gdb_initial_breakpoint_cmds $gdb_target_binary]
# continue execution
append gdb_cmds {-ex "c" }
exec [terminal] -e "[gdb] bin/test-gdb_monitor_target_config $gdb_cmds" &
exec [terminal] -e "[gdb] bin/ld.lib.so $gdb_cmds" &
interact
interact -i [output_spawn_id]
# vi: set ft=tcl :

18
repos/ports/run/noux_gdb.run
View File

@ -1,5 +1,5 @@
if {![have_spec foc] && ![have_spec nova]} {
puts "\nThe Noux GDB scenario is supported on NOVA and Fiasco.OC only\n"
if {!([have_spec nova] || ([have_spec foc] && [have_spec 32bit]))} {
puts "\nThe Noux GDB scenario is only supported for NOVA or 32-bit Fiasco.OC\n"
exit 0
}
@ -26,7 +26,10 @@ set build_components {
app/gdb_monitor
}
lappend_if [have_spec gpio] build_components drivers/gpio
lappend_if [have_spec gpio] build_components drivers/gpio
lappend_if [have_spec nova] build_components lib/ld/nova
lappend_if [have_spec foc] build_components lib/ld/foc
lappend build_components noux-pkg/[noux_gdb_pkg_name]
@ -39,11 +42,20 @@ append_platform_drv_build_components
build $build_components
# GDB loads symbols from 'bin/ld.lib.so'
if { [have_spec nova] } {
exec ln -sf ld-nova.lib.so bin/ld.lib.so
}
if { [have_spec foc] } {
exec ln -sf ld-foc.lib.so bin/ld.lib.so
}
# names of the binaries needed for the GDB monitor test
set gdb_target_binaries {
test-gdb_monitor
ld.lib.so
libc.lib.so
libm.lib.so
}
lappend gdb_target_binaries ${gdb_target_binary_name}

162
repos/ports/run/noux_gdb_dynamic.run
View File

@ -1,162 +0,0 @@
if {![have_spec foc] || ![have_spec 32bit]} {
puts "\nThe Noux GDB scenario is supported on 32-bit Fiasco.OC only\n"
exit 0
}
source ${genode_dir}/repos/ports/run/noux_gdb.inc
#
# Uncomment the following line when working on the GDB source code. Otherwise,
# the package may get recompiled, yet it does not get reinstalled into 'bin/'.
#
#exec rm -rf noux-pkg/[noux_gdb_pkg_name]/ bin/[noux_gdb_pkg_name]/
set build_components {
core init drivers/timer noux lib/libc_noux
drivers/uart
server/terminal_mux server/terminal_crosslink
server/terminal_log
app/cli_monitor
app/gdb_monitor
}
lappend build_components noux-pkg/[noux_gdb_pkg_name]
lappend build_components test/gdb_monitor
set gdb_target_binary_name test-gdb_monitor
build $build_components
# names of the binaries needed for the GDB monitor test
set gdb_target_binaries {
ld.lib.so
libc.lib.so
}
lappend gdb_target_binaries ${gdb_target_binary_name}
create_gdb_tar
create_binary_and_source_tars "gdb_target" ${gdb_target_binaries}
create_boot_directory
append config {
<config verbose="yes">
<parent-provides>
<service name="ROM"/>
<service name="LOG"/>
<service name="RAM"/>
<service name="RM"/>
<service name="CPU"/>
<service name="PD"/>
<service name="IRQ"/>
<service name="IO_PORT"/>
<service name="IO_MEM"/>
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route>
<start name="timer">
<resource name="RAM" quantum="1M"/>
<provides><service name="Timer"/></provides>
<route> <any-service> <parent/> </any-service> </route>
</start>
<start name="uart_drv">}
# use kernel debugger as UART on Fiasco.OC
append_if [have_spec foc] config {
<binary name="kdb_uart_drv"/>}
append config {
<resource name="RAM" quantum="1M"/>
<provides>
<service name="Uart"/>
<service name="Terminal"/>
</provides>
<config> }
# on Fiasco.OC the kdb_uart_drv is always UART 0
append_if [have_spec foc] config {
<policy label_prefix="terminal_mux" uart="0" detect_size="yes"/> }
# on all other kernels, direct terminal_mux to UART 1 (Qemu stdio, see below)
append_if [expr ![have_spec foc]] config {
<policy label_prefix="terminal_mux" uart="1" detect_size="yes"/> }
append config {
</config>
<route> <any-service> <parent/> <any-child/> </any-service> </route>
</start>
<start name="terminal_mux">
<resource name="RAM" quantum="3M"/>
<provides><service name="Terminal"/></provides>
<route>
<service name="Terminal"><child name="uart_drv"/></service>
<any-service> <parent/> <any-child/> </any-service>
</route>
<config>
<keyboard layout="de"/>
</config>
</start>
<start name="terminal_log">
<resource name="RAM" quantum="2M"/>
<provides>
<service name="LOG"/>
</provides>
<route>
<any-service><child name="terminal_mux"/> <any-child/> <parent/> </any-service>
</route>
</start>
<start name="cli_monitor">
<resource name="RAM" quantum="3G"/>
<config>
<subsystem name="gdb_test" help="GDB test application"> }
append config "
<binary name=\"${gdb_target_binary_name}\"/> "
append config {
<resource name="RAM" quantum="50M"/>
</subsystem>
</config>
<route>
<service name="LOG"><child name="terminal_log"/></service>
<service name="Terminal"><child name="terminal_mux"/></service>
<any-service><parent/><any-child/></any-service>
</route>
</start>
</config>
}
install_config $config
#
# Boot modules
#
exec cp ${genode_dir}/repos/os/src/app/cli_monitor/gdb_command_config bin
# generic modules
set boot_modules {
core init timer ld.lib.so noux terminal_mux terminal_crosslink
libc.lib.so libm.lib.so libc_noux.lib.so ncurses.lib.so expat.lib.so
libc_pipe.lib.so libc_terminal.lib.so
cli_monitor gdb_monitor terminal_log gdb.tar
gdb_command_config
gdb_target.tar
gdb_target-src.tar
}
lappend boot_modules ${gdb_target_binary_name}
# platform-specific modules
lappend_if [expr ![have_spec foc]] boot_modules uart_drv
lappend_if [have_spec foc] boot_modules kdb_uart_drv
set fiasco_serial_esc_arg ""
build_boot_image $boot_modules
append qemu_args " -nographic "
run_genode_until forever
exec rm bin/gdb.tar

232
repos/ports/src/app/gdb_monitor/app_child.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2009-2016 Genode Labs GmbH
* Copyright (C) 2009-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -14,9 +14,7 @@
#ifndef _APP_CHILD_H_
#define _APP_CHILD_H_
#include <stdio.h>
#include <sys/stat.h>
/* Genode includes */
#include <base/child.h>
#include <base/service.h>
@ -25,37 +23,43 @@
#include <util/arg_string.h>
/* GDB monitor includes */
#include "genode_child_resources.h"
#include "cpu_session_component.h"
#include "pd_session_component.h"
#include "rom.h"
namespace Gdb_monitor {
using namespace Genode;
namespace Gdb_monitor { class App_child; }
class App_child;
}
class Gdb_monitor::App_child : public Child_policy
{
public:
typedef Genode::Registered<Genode::Parent_service> Parent_service;
typedef Genode::Registry<Parent_service> Parent_services;
typedef Registered<Genode::Parent_service> Parent_service;
typedef Registry<Parent_service> Parent_services;
private:
enum { STACK_SIZE = 4*1024*sizeof(long) };
Genode::Env &_env;
Env &_env;
Genode::Ram_session_capability _ref_ram_cap { _env.ram_session_cap() };
Genode::Ram_session_client _ref_ram { _ref_ram_cap };
Allocator &_alloc;
Ram_session_capability _ref_ram_cap { _env.ram_session_cap() };
Ram_session_client _ref_ram { _ref_ram_cap };
const char *_unique_name;
Genode::Dataspace_capability _elf_ds;
Dataspace_capability _elf_ds;
Genode::Region_map &_rm;
Region_map &_rm;
Genode::size_t _ram_quota;
size_t _ram_quota;
Rpc_entrypoint _entrypoint;
@ -71,7 +75,7 @@ class Gdb_monitor::App_child : public Child_policy
Dataspace_pool _managed_ds_map;
Pd_session_component _pd {_unique_name, _entrypoint, _managed_ds_map};
Pd_session_component _pd { _entrypoint, _env, _alloc, _unique_name, _managed_ds_map };
Pd_service::Single_session_factory _pd_factory { _pd };
Pd_service _pd_service { _pd_factory };
@ -83,156 +87,16 @@ class Gdb_monitor::App_child : public Child_policy
Child *_child;
/* FIXME */
#if 0
/**
* Proxy for a service provided by the child
*/
class Child_service_root : public Genode::Rpc_object<Genode::Root>
{
private:
/**
* Root interface of the real service, provided by the child
*/
Genode::Root_client _child_root;
/**
* Child's RAM session used for quota transfers
*/
Genode::Ram_session_capability _child_ram;
struct Child_session;
typedef Genode::Object_pool<Child_session> Session_pool;
/**
* Per-session meta data
*
* For each session, we need to keep track of the quota
* attached to it - in order to revert the quota donation
* when the session gets closed.
*/
struct Child_session : public Session_pool::Entry
{
Genode::size_t ram_quota;
Child_session(Genode::Session_capability cap,
Genode::size_t ram_quota)
: Session_pool::Entry(cap), ram_quota(ram_quota) { }
};
/**
* Data base containing per-session meta data
*/
Session_pool _sessions;
public:
/**
* Constructor
*/
Child_service_root(Genode::Ram_session_capability child_ram,
Genode::Root_capability child_root)
: _child_root(child_root), _child_ram(child_ram)
{ }
/********************
** Root interface **
********************/
Session_capability session(Session_args const &args,
Affinity const &affinity)
{
using namespace Genode;
Genode::size_t ram_quota =
Arg_string::find_arg(args.string(),
"ram_quota").ulong_value(0);
/* forward session quota to child */
env()->ram_session()->transfer_quota(_child_ram, ram_quota);
Session_capability cap = _child_root.session(args, affinity);
/*
* Keep information about donated quota in '_sessions'
* data base.
*/
_sessions.insert(new (env()->heap())
Child_session(cap, ram_quota));
return cap;
}
void upgrade(Session_capability session_cap,
Upgrade_args const &args)
{
using namespace Genode;
auto lambda = [&] (Child_session *session) {
if (!session) {
error("attempt to upgrade unknown session");
return;
}
Genode::size_t ram_quota =
Arg_string::find_arg(args.string(),
"ram_quota").ulong_value(0);
/* forward session quota to child */
env()->ram_session()->transfer_quota(_child_ram, ram_quota);
session->ram_quota += ram_quota;
/* inform child about quota upgrade */
_child_root.upgrade(session_cap, args);
};
_sessions.apply(session_cap, lambda);
}
void close(Session_capability session_cap)
{
using namespace Genode;
Child_session *session;
auto lambda = [&] (Child_session *s) {
session = s;
if (!session) {
error("attempt to close unknown session");
return;
}
_sessions.remove(session);
};
_sessions.apply(session_cap, lambda);
Genode::size_t ram_quota = session->ram_quota;
destroy(env()->heap(), session);
_child_root.close(session_cap);
/*
* The child is expected to free enough quota to revert
* the quota donation.
*/
Ram_session_client child_ram(_child_ram);
child_ram.transfer_quota(env()->ram_session_cap(), ram_quota);
}
};
#endif
void _dispatch_unresolved_page_fault(unsigned)
{
_genode_child_resources.cpu_session_component()->handle_unresolved_page_fault();
_genode_child_resources.cpu_session_component().handle_unresolved_page_fault();
}
template <typename T>
static Genode::Service *_find_service(Genode::Registry<T> &services,
Genode::Service::Name const &name)
static Service *_find_service(Registry<T> &services,
Service::Name const &name)
{
Genode::Service *service = nullptr;
Service *service = nullptr;
services.for_each([&] (T &s) {
if (!service && (s.name() == name))
service = &s; });
@ -244,27 +108,27 @@ class Gdb_monitor::App_child : public Child_policy
/**
* Constructor
*/
App_child(Genode::Env &env,
const char *unique_name,
Genode::Pd_session &pd,
Genode::Region_map &rm,
Genode::size_t ram_quota,
Signal_receiver *signal_receiver,
Xml_node target_node)
App_child(Env &env,
Allocator &alloc,
char const *unique_name,
size_t ram_quota,
Signal_receiver &signal_receiver,
Xml_node target_node)
:
_env(env),
_alloc(alloc),
_unique_name(unique_name),
_rm(rm),
_rm(_env.rm()),
_ram_quota(ram_quota),
_entrypoint(&pd, STACK_SIZE, "GDB monitor entrypoint"),
_child_config(env.ram(), rm, target_node),
_entrypoint(&_env.pd(), STACK_SIZE, "GDB monitor entrypoint"),
_child_config(env.ram(), _rm, target_node),
_config_policy("config", _child_config.dataspace(), &_entrypoint),
_unresolved_page_fault_dispatcher(*signal_receiver,
_unresolved_page_fault_dispatcher(signal_receiver,
*this,
&App_child::_dispatch_unresolved_page_fault),
_cpu_factory(_env, _entrypoint, Genode::env()->heap(), _pd.core_pd_cap(),
_cpu_factory(_env, _entrypoint, _alloc, _pd.core_pd_cap(),
signal_receiver, &_genode_child_resources),
_rom_factory(env, _entrypoint)
_rom_factory(env, _entrypoint, _alloc)
{
_genode_child_resources.region_map_component(&_pd.region_map());
_pd.region_map().fault_handler(_unresolved_page_fault_dispatcher);
@ -272,7 +136,7 @@ class Gdb_monitor::App_child : public Child_policy
~App_child()
{
destroy(env()->heap(), _child);
destroy(_alloc, _child);
}
Genode_child_resources *genode_child_resources()
@ -282,7 +146,7 @@ class Gdb_monitor::App_child : public Child_policy
void start()
{
_child = new (env()->heap()) Child(_rm, _entrypoint, *this);
_child = new (_alloc) Child(_rm, _entrypoint, *this);
}
/****************************
@ -291,19 +155,19 @@ class Gdb_monitor::App_child : public Child_policy
Name name() const override { return _unique_name; }
Genode::Ram_session &ref_ram() override { return _ref_ram; }
Ram_session &ref_ram() override { return _ref_ram; }
Genode::Ram_session_capability ref_ram_cap() const override { return _ref_ram_cap; }
Ram_session_capability ref_ram_cap() const override { return _ref_ram_cap; }
void init(Genode::Ram_session &session,
Genode::Ram_session_capability cap) override
void init(Ram_session &session,
Ram_session_capability cap) override
{
session.ref_account(_ref_ram_cap);
_ref_ram.transfer_quota(cap, _ram_quota);
}
Service &resolve_session_request(Genode::Service::Name const &service_name,
Genode::Session_state::Args const &args) override
Service &resolve_session_request(Service::Name const &service_name,
Session_state::Args const &args) override
{
Service *service = nullptr;
@ -322,7 +186,7 @@ class Gdb_monitor::App_child : public Child_policy
service = _find_service(_parent_services, service_name);
if (!service)
service = new (env()->heap()) Parent_service(_parent_services, _env, service_name);
service = new (_alloc) Parent_service(_parent_services, _env, service_name);
if (!service)
throw Parent::Service_denied();
@ -334,15 +198,7 @@ class Gdb_monitor::App_child : public Child_policy
// to the child
void announce_service(Service::Name const &name) override
{
/* FIXME */
#if 0
/* create and announce proxy for the child's root interface */
Child_service_root *r = new (alloc)
Child_service_root(_ram_session, root);
Genode::env()->parent()->announce(name, _root_ep->manage(r));
#else
Genode::warning(__PRETTY_FUNCTION__, ": not implemented");
#endif
}
};

15
repos/ports/src/app/gdb_monitor/cpu_session_component.cc
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -21,6 +21,9 @@
/* GDB monitor includes */
#include "cpu_thread_component.h"
/* libc includes */
#include <sys/signal.h>
/* genode-low.cc */
extern void genode_remove_thread(unsigned long lwpid);
@ -40,7 +43,7 @@ Rpc_entrypoint &Cpu_session_component::thread_ep()
}
Signal_receiver *Cpu_session_component::exception_signal_receiver()
Signal_receiver &Cpu_session_component::exception_signal_receiver()
{
return _exception_signal_receiver;
}
@ -299,11 +302,11 @@ Capability<Cpu_session::Native_cpu> Cpu_session_component::native_cpu()
}
Cpu_session_component::Cpu_session_component(Genode::Env &env,
Cpu_session_component::Cpu_session_component(Env &env,
Rpc_entrypoint &ep,
Allocator *md_alloc,
Allocator &md_alloc,
Pd_session_capability core_pd,
Signal_receiver *exception_signal_receiver,
Signal_receiver &exception_signal_receiver,
const char *args,
Affinity const &affinity)
: _env(env),
@ -335,7 +338,7 @@ Cpu_session_component::~Cpu_session_component()
int Cpu_session_component::ref_account(Cpu_session_capability) { return -1; }
int Cpu_session_component::transfer_quota(Cpu_session_capability, Genode::size_t) { return -1; }
int Cpu_session_component::transfer_quota(Cpu_session_capability, size_t) { return -1; }
Cpu_session::Quota Cpu_session_component::quota() { return Quota(); }

63
repos/ports/src/app/gdb_monitor/cpu_session_component.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2006-2016 Genode Labs GmbH
* Copyright (C) 2006-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -31,13 +31,13 @@
namespace Gdb_monitor
{
using namespace Genode;
class Cpu_session_component;
class Cpu_thread_component;
class Local_cpu_factory;
typedef Genode::Local_service<Cpu_session_component> Cpu_service;
using namespace Genode;
typedef Local_service<Cpu_session_component> Cpu_service;
}
@ -46,29 +46,29 @@ class Gdb_monitor::Cpu_session_component : public Rpc_object<Cpu_session>
private:
Genode::Env &_env;
Env &_env;
Genode::Parent::Client _parent_client;
Parent::Client _parent_client;
Id_space<Parent::Client>::Element const _id_space_element
Id_space<Parent::Client>::Element const _id_space_element
{ _parent_client, _env.id_space() };
Rpc_entrypoint &_ep;
Allocator *_md_alloc;
Rpc_entrypoint &_ep;
Allocator &_md_alloc;
Pd_session_capability _core_pd;
Pd_session_capability _core_pd;
Cpu_session_client _parent_cpu_session;
Signal_receiver *_exception_signal_receiver;
Cpu_session_client _parent_cpu_session;
Signal_receiver &_exception_signal_receiver;
Append_list<Cpu_thread_component> _thread_list;
Append_list<Cpu_thread_component> _thread_list;
bool _stop_new_threads = true;
Lock _stop_new_threads_lock;
bool _stop_new_threads = true;
Lock _stop_new_threads_lock;
Capability<Cpu_session::Native_cpu> _native_cpu_cap;
Capability<Cpu_session::Native_cpu> _native_cpu_cap;
Capability<Cpu_session::Native_cpu> _setup_native_cpu();
Capability<Cpu_session::Native_cpu> _setup_native_cpu();
void _cleanup_native_cpu();
public:
@ -76,11 +76,11 @@ class Gdb_monitor::Cpu_session_component : public Rpc_object<Cpu_session>
/**
* Constructor
*/
Cpu_session_component(Genode::Env &env,
Cpu_session_component(Env &env,
Rpc_entrypoint &ep,
Allocator *md_alloc,
Allocator &md_alloc,
Pd_session_capability core_pd,
Signal_receiver *exception_signal_receiver,
Signal_receiver &exception_signal_receiver,
const char *args,
Affinity const &affinity);
@ -91,7 +91,7 @@ class Gdb_monitor::Cpu_session_component : public Rpc_object<Cpu_session>
Cpu_session &parent_cpu_session();
Rpc_entrypoint &thread_ep();
Signal_receiver *exception_signal_receiver();
Signal_receiver &exception_signal_receiver();
Thread_capability thread_cap(unsigned long lwpid);
unsigned long lwpid(Thread_capability thread_cap);
Cpu_thread_component *lookup_cpu_thread(unsigned long lwpid);
@ -122,7 +122,7 @@ class Gdb_monitor::Cpu_session_component : public Rpc_object<Cpu_session>
Affinity::Space affinity_space() const override;
Dataspace_capability trace_control() override;
int ref_account(Cpu_session_capability c) override;
int transfer_quota(Cpu_session_capability c, Genode::size_t q) override;
int transfer_quota(Cpu_session_capability c, size_t q) override;
Quota quota() override;
Capability<Native_cpu> native_cpu() override;
};
@ -132,21 +132,22 @@ class Gdb_monitor::Local_cpu_factory : public Cpu_service::Factory
{
private:
Genode::Env &_env;
Genode::Rpc_entrypoint &_ep;
Env &_env;
Rpc_entrypoint &_ep;
Allocator *_md_alloc;
Allocator &_md_alloc;
Pd_session_capability _core_pd;
Genode::Signal_receiver *_signal_receiver;
Signal_receiver &_signal_receiver;
Genode_child_resources *_genode_child_resources;
public:
Local_cpu_factory(Genode::Env &env, Genode::Rpc_entrypoint &ep,
Allocator *md_alloc,
Pd_session_capability core_pd,
Genode::Signal_receiver *signal_receiver,
Local_cpu_factory(Env &env,
Rpc_entrypoint &ep,
Allocator &md_alloc,
Pd_session_capability core_pd,
Signal_receiver &signal_receiver,
Genode_child_resources *genode_child_resources)
: _env(env), _ep(ep),
_md_alloc(md_alloc),
@ -178,7 +179,7 @@ class Gdb_monitor::Local_cpu_factory : public Cpu_service::Factory
void destroy(Cpu_session_component &session) override
{
Genode::destroy(env()->heap(), &session);
Genode::destroy(_md_alloc, &session);
}
};

149
repos/ports/src/app/gdb_monitor/cpu_thread_component.cc
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2016 Genode Labs GmbH
* Copyright (C) 2016-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -15,6 +15,9 @@
/* GDB monitor includes */
#include "cpu_thread_component.h"
/* libc includes */
#include <signal.h>
#include <unistd.h>
/* mem-break.c */
extern "C" int breakpoint_len;
@ -61,6 +64,150 @@ void Cpu_thread_component::_remove_breakpoint_at_first_instruction()
}
void Cpu_thread_component::_dispatch_exception(unsigned)
{
deliver_signal(SIGTRAP);
}
void Cpu_thread_component::_dispatch_sigstop(unsigned)
{
deliver_signal(SIGSTOP);
}
void Cpu_thread_component::_dispatch_sigint(unsigned)
{
deliver_signal(SIGINT);
}
Cpu_thread_component::Cpu_thread_component(Cpu_session_component &cpu_session_component,
Capability<Pd_session> pd,
Cpu_session::Name const &name,
Affinity::Location affinity,
Cpu_session::Weight weight,
addr_t utcb)
: _cpu_session_component(cpu_session_component),
_parent_cpu_thread(
_cpu_session_component.parent_cpu_session().create_thread(pd,
name,
affinity,
weight,
utcb)),
_exception_dispatcher(
_cpu_session_component.exception_signal_receiver(),
*this,
&Cpu_thread_component::_dispatch_exception),
_sigstop_dispatcher(
_cpu_session_component.exception_signal_receiver(),
*this,
&Cpu_thread_component::_dispatch_sigstop),
_sigint_dispatcher(
_cpu_session_component.exception_signal_receiver(),
*this,
&Cpu_thread_component::_dispatch_sigint)
{
_cpu_session_component.thread_ep().manage(this);
if (pipe(_pipefd) != 0)
error("could not create pipe");
}
Cpu_thread_component::~Cpu_thread_component()
{
close(_pipefd[0]);
close(_pipefd[1]);
_cpu_session_component.thread_ep().dissolve(this);
}
int Cpu_thread_component::send_signal(int signo)
{
pause();
switch (signo) {
case SIGSTOP:
Signal_transmitter(sigstop_signal_context_cap()).submit();
return 1;
case SIGINT:
Signal_transmitter(sigint_signal_context_cap()).submit();
return 1;
default:
error("unexpected signal ", signo);
return 0;
}
}
int Cpu_thread_component::deliver_signal(int signo)
{
if ((signo == SIGTRAP) && _initial_sigtrap_pending) {
_initial_sigtrap_pending = false;
if (_verbose)
log("received initial SIGTRAP for lwpid ", _lwpid);
if (_lwpid == GENODE_MAIN_LWPID) {
_remove_breakpoint_at_first_instruction();
_initial_breakpoint_handled = true;
}
/*
* The lock guard prevents an interruption by
* 'genode_stop_all_threads()', which could cause
* the new thread to be resumed when it should be
* stopped.
*/
Lock::Guard stop_new_threads_lock_guard(
_cpu_session_component.stop_new_threads_lock());
if (!_cpu_session_component.stop_new_threads())
resume();
/*
* gdbserver expects SIGSTOP as first signal of a new thread,
* but we cannot write SIGSTOP here, because waitpid() would
* detect that the thread is in an exception state and wait
* for the SIGTRAP. So SIGINFO ist used for this purpose.
*/
signo = SIGINFO;
}
switch (signo) {
case SIGSTOP:
if (_verbose)
log("delivering SIGSTOP to thread ", _lwpid);
break;
case SIGTRAP:
if (_verbose)
log("delivering SIGTRAP to thread ", _lwpid);
break;
case SIGSEGV:
if (_verbose)
log("delivering SIGSEGV to thread ", _lwpid);
break;
case SIGINT:
if (_verbose)
log("delivering SIGINT to thread ", _lwpid);
break;
case SIGINFO:
if (_verbose)
log("delivering initial SIGSTOP to thread ", _lwpid);
break;
default:
error("unexpected signal ", signo);
}
write(_pipefd[1], &signo, sizeof(signo));
return 0;
}
Dataspace_capability Cpu_thread_component::utcb()
{
return _parent_cpu_thread.utcb();

150
repos/ports/src/app/gdb_monitor/cpu_thread_component.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2016 Genode Labs GmbH
* Copyright (C) 2016-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -19,10 +19,6 @@
#include <cpu_session/cpu_session.h>
#include <cpu_thread/client.h>
/* libc includes */
#include <signal.h>
#include <unistd.h>
#include "config.h"
#include "append_list.h"
#include "cpu_session_component.h"
@ -65,62 +61,20 @@ class Gdb_monitor::Cpu_thread_component : public Rpc_object<Cpu_thread>,
bool _set_breakpoint_at_first_instruction(addr_t ip);
void _remove_breakpoint_at_first_instruction();
void _dispatch_exception(unsigned)
{
deliver_signal(SIGTRAP);
}
void _dispatch_sigstop(unsigned)
{
deliver_signal(SIGSTOP);
}
void _dispatch_sigint(unsigned)
{
deliver_signal(SIGINT);
}
void _dispatch_exception(unsigned);
void _dispatch_sigstop(unsigned);
void _dispatch_sigint(unsigned);
public:
Cpu_thread_component(Cpu_session_component &cpu_session_component,
Capability<Pd_session> pd,
Cpu_thread_component(Cpu_session_component &cpu_session_component,
Capability<Pd_session> pd,
Cpu_session::Name const &name,
Affinity::Location affinity,
Cpu_session::Weight weight,
addr_t utcb)
: _cpu_session_component(cpu_session_component),
_parent_cpu_thread(
_cpu_session_component.parent_cpu_session().create_thread(pd,
name,
affinity,
weight,
utcb)),
_exception_dispatcher(
*_cpu_session_component.exception_signal_receiver(),
*this,
&Cpu_thread_component::_dispatch_exception),
_sigstop_dispatcher(
*_cpu_session_component.exception_signal_receiver(),
*this,
&Cpu_thread_component::_dispatch_sigstop),
_sigint_dispatcher(
*_cpu_session_component.exception_signal_receiver(),
*this,
&Cpu_thread_component::_dispatch_sigint)
{
_cpu_session_component.thread_ep().manage(this);
Affinity::Location affinity,
Cpu_session::Weight weight,
addr_t utcb);
if (pipe(_pipefd) != 0)
error("could not create pipe");
}
~Cpu_thread_component()
{
close(_pipefd[0]);
close(_pipefd[1]);
_cpu_session_component.thread_ep().dissolve(this);
}
~Cpu_thread_component();
Signal_context_capability exception_signal_context_cap()
{
@ -154,89 +108,9 @@ class Gdb_monitor::Cpu_thread_component : public Rpc_object<Cpu_thread>,
return 0;
}
int send_signal(int signo)
{
pause();
switch (signo) {
case SIGSTOP:
Signal_transmitter(sigstop_signal_context_cap()).submit();
return 1;
case SIGINT:
Signal_transmitter(sigint_signal_context_cap()).submit();
return 1;
default:
error("unexpected signal ", signo);
return 0;
}
}
int deliver_signal(int signo)
{
if ((signo == SIGTRAP) && _initial_sigtrap_pending) {
_initial_sigtrap_pending = false;
if (_verbose)
log("received initial SIGTRAP for lwpid ", _lwpid);
if (_lwpid == GENODE_MAIN_LWPID) {
_remove_breakpoint_at_first_instruction();
_initial_breakpoint_handled = true;
}
/*
* The lock guard prevents an interruption by
* 'genode_stop_all_threads()', which could cause
* the new thread to be resumed when it should be
* stopped.
*/
Lock::Guard stop_new_threads_lock_guard(
_cpu_session_component.stop_new_threads_lock());
if (!_cpu_session_component.stop_new_threads())
resume();
/*
* gdbserver expects SIGSTOP as first signal of a new thread,
* but we cannot write SIGSTOP here, because waitpid() would
* detect that the thread is in an exception state and wait
* for the SIGTRAP. So SIGINFO ist used for this purpose.
*/
signo = SIGINFO;
}
switch (signo) {
case SIGSTOP:
if (_verbose)
log("delivering SIGSTOP to thread ", _lwpid);
break;
case SIGTRAP:
if (_verbose)
log("delivering SIGTRAP to thread ", _lwpid);
break;
case SIGSEGV:
if (_verbose)
log("delivering SIGSEGV to thread ", _lwpid);
break;
case SIGINT:
if (_verbose)
log("delivering SIGINT to thread ", _lwpid);
break;
case SIGINFO:
if (_verbose)
log("delivering initial SIGSTOP to thread ", _lwpid);
break;
default:
error("unexpected signal ", signo);
}
write(_pipefd[1], &signo, sizeof(signo));
return 0;
}
int send_signal(int signo);
int deliver_signal(int signo);
/**************************
** CPU thread interface **

437
repos/ports/src/app/gdb_monitor/gdbserver/genode-low.cc
View File

@ -6,15 +6,26 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#include <signal.h>
#include <sys/wait.h>
/* Genode includes */
#include <base/env.h>
#include <os/config.h>
/* GDB monitor includes */
#include "app_child.h"
#include "cpu_thread_component.h"
#include "genode_child_resources.h"
#include "signal_handler_thread.h"
/* libc includes */
#include <sys/ptrace.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
extern "C" {
@ -27,23 +38,6 @@ extern "C" {
int linux_detach_one_lwp (struct inferior_list_entry *entry, void *args);
}
#include <base/log.h>
#include <base/service.h>
#include <cap_session/connection.h>
#include <cpu_thread/client.h>
#include <dataspace/client.h>
#include <os/config.h>
#include <ram_session/connection.h>
#include <rom_session/connection.h>
#include <util/xml_node.h>
#include "app_child.h"
#include "cpu_session_component.h"
#include "cpu_thread_component.h"
#include "genode_child_resources.h"
#include "rom.h"
#include "signal_handler_thread.h"
static bool verbose = false;
Genode::Env *genode_env;
@ -60,20 +54,185 @@ static unsigned long sigtrap_lwpid;
using namespace Genode;
using namespace Gdb_monitor;
static Genode_child_resources *_genode_child_resources = 0;
Genode_child_resources *genode_child_resources()
class Memory_model
{
return _genode_child_resources;
private:
Lock _lock;
Region_map_component &_address_space;
Region_map &_rm;
/**
* Representation of a currently mapped region
*/
struct Mapped_region
{
Region_map_component::Region *_region;
unsigned char *_local_base;
Mapped_region() : _region(0), _local_base(0) { }
bool valid() { return _region != 0; }
bool loaded(Region_map_component::Region const * region)
{
return _region == region;
}
void flush(Region_map &rm)
{
if (!valid()) return;
rm.detach(_local_base);
_local_base = 0;
_region = 0;
}
void load(Region_map_component::Region *region, Region_map &rm)
{
if (region == _region)
return;
if (!region || valid())
flush(rm);
if (!region)
return;
try {
_region = region;
_local_base = rm.attach(_region->ds_cap(),
0, _region->offset());
} catch (Region_map::Attach_failed) {
flush(rm);
error(__func__, ": RM attach failed");
}
}
unsigned char *local_base() { return _local_base; }
};
enum { NUM_MAPPED_REGIONS = 1 };
Mapped_region _mapped_region[NUM_MAPPED_REGIONS];
unsigned _evict_idx = 0;
/**
* Return local address of mapped region
*
* The function returns 0 if the mapping fails
*/
unsigned char *_update_curr_region(Region_map_component::Region *region)
{
for (unsigned i = 0; i < NUM_MAPPED_REGIONS; i++) {
if (_mapped_region[i].loaded(region))
return _mapped_region[i].local_base();
}
/* flush one currently mapped region */
_evict_idx++;
if (_evict_idx == NUM_MAPPED_REGIONS)
_evict_idx = 0;
_mapped_region[_evict_idx].load(region, _rm);
return _mapped_region[_evict_idx].local_base();
}
public:
Memory_model(Region_map_component &address_space,
Region_map &rm)
:
_address_space(address_space),
_rm(rm)
{ }
unsigned char read(void *addr)
{
Lock::Guard guard(_lock);
addr_t offset_in_region = 0;
Region_map_component::Region *region =
_address_space.find_region(addr, &offset_in_region);
unsigned char *local_base = _update_curr_region(region);
if (!local_base) {
warning(__func__, ": no memory at address ", addr);
throw No_memory_at_address();
}
unsigned char value =
local_base[offset_in_region];
if (verbose)
log(__func__, ": read addr=", addr, ", value=", Hex(value));
return value;
}
void write(void *addr, unsigned char value)
{
if (verbose)
log(__func__, ": write addr=", addr, ", value=", Hex(value));
Lock::Guard guard(_lock);
addr_t offset_in_region = 0;
Region_map_component::Region *region =
_address_space.find_region(addr, &offset_in_region);
unsigned char *local_base = _update_curr_region(region);
if (!local_base) {
warning(__func__, ": no memory at address=", addr);
warning("(attempted to write ", Hex(value), ")");
throw No_memory_at_address();
}
local_base[offset_in_region] = value;
}
};
static Genode_child_resources *_genode_child_resources = 0;
static Memory_model *_memory_model = 0;
Genode_child_resources &genode_child_resources()
{
if (!_genode_child_resources) {
Genode::error("_genode_child_resources is not set");
abort();
}
return *_genode_child_resources;
}
/**
* Return singleton instance of memory model
*/
Memory_model &memory_model()
{
if (!_memory_model) {
Genode::error("_memory_model is not set");
abort();
}
return *_memory_model;
}
static void genode_stop_thread(unsigned long lwpid)
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
Cpu_thread_component *cpu_thread = csc->lookup_cpu_thread(lwpid);
Cpu_thread_component *cpu_thread = csc.lookup_cpu_thread(lwpid);
if (!cpu_thread) {
error(__PRETTY_FUNCTION__, ": "
@ -91,7 +250,7 @@ extern "C" pid_t waitpid(pid_t pid, int *status, int flags)
fd_set readset;
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
while(1) {
@ -104,16 +263,16 @@ extern "C" pid_t waitpid(pid_t pid, int *status, int flags)
FD_SET(_new_thread_pipe[0], &readset);
Thread_capability thread_cap = csc->first();
Thread_capability thread_cap = csc.first();
while (thread_cap.valid()) {
FD_SET(csc->signal_pipe_read_fd(thread_cap), &readset);
thread_cap = csc->next(thread_cap);
FD_SET(csc.signal_pipe_read_fd(thread_cap), &readset);
thread_cap = csc.next(thread_cap);
}
} else {
FD_SET(csc->signal_pipe_read_fd(csc->thread_cap(pid)), &readset);
FD_SET(csc.signal_pipe_read_fd(csc.thread_cap(pid)), &readset);
}
struct timeval wnohang_timeout = {0, 0};
@ -157,21 +316,21 @@ extern "C" pid_t waitpid(pid_t pid, int *status, int flags)
/* received a signal */
Thread_capability thread_cap = csc->first();
Thread_capability thread_cap = csc.first();
while (thread_cap.valid()) {
if (FD_ISSET(csc->signal_pipe_read_fd(thread_cap), &readset))
if (FD_ISSET(csc.signal_pipe_read_fd(thread_cap), &readset))
break;
thread_cap = csc->next(thread_cap);
thread_cap = csc.next(thread_cap);
}
if (!thread_cap.valid())
continue;
int signal;
read(csc->signal_pipe_read_fd(thread_cap), &signal, sizeof(signal));
read(csc.signal_pipe_read_fd(thread_cap), &signal, sizeof(signal));
unsigned long lwpid = csc->lwpid(thread_cap);
unsigned long lwpid = csc.lwpid(thread_cap);
if (verbose)
log("thread ", lwpid, " received signal ", signal);
@ -191,13 +350,13 @@ extern "C" pid_t waitpid(pid_t pid, int *status, int flags)
* delivered first, otherwise gdbserver would single-step the thread again.
*/
Cpu_thread_component *cpu_thread = csc->lookup_cpu_thread(lwpid);
Cpu_thread_component *cpu_thread = csc.lookup_cpu_thread(lwpid);
Thread_state thread_state = cpu_thread->state();
if (thread_state.exception) {
/* resend the SIGSTOP signal */
csc->send_signal(cpu_thread->cap(), SIGSTOP);
csc.send_signal(cpu_thread->cap(), SIGSTOP);
continue;
}
@ -308,26 +467,31 @@ extern "C" int fork()
return -1;
}
Number_of_bytes ram_quota = env()->ram_session()->avail() - preserved_ram_quota;
Number_of_bytes ram_quota = genode_env->ram().avail() - preserved_ram_quota;
/* start the application */
static Heap alloc(genode_env->ram(), genode_env->rm());
static Signal_receiver signal_receiver;
static Gdb_monitor::Signal_handler_thread
signal_handler_thread(&signal_receiver);
signal_handler_thread(*genode_env, signal_receiver);
signal_handler_thread.start();
App_child *child = new (env()->heap()) App_child(*genode_env,
filename,
genode_env->pd(),
genode_env->rm(),
ram_quota,
&signal_receiver,
target_node);
App_child *child = new (alloc) App_child(*genode_env,
alloc,
filename,
ram_quota,
signal_receiver,
target_node);
_genode_child_resources = child->genode_child_resources();
static Memory_model memory_model(genode_child_resources().region_map_component(), genode_env->rm());
_memory_model = &memory_model;
try {
child->start();
} catch (...) {
@ -341,9 +505,9 @@ extern "C" int fork()
extern "C" int kill(pid_t pid, int sig)
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
Thread_capability thread_cap = csc->thread_cap(pid);
Thread_capability thread_cap = csc.thread_cap(pid);
if (!thread_cap.valid()) {
error(__PRETTY_FUNCTION__, ": "
@ -351,14 +515,14 @@ extern "C" int kill(pid_t pid, int sig)
return -1;
}
return csc->send_signal(thread_cap, sig);
return csc.send_signal(thread_cap, sig);
}
extern "C" int initial_breakpoint_handler(CORE_ADDR addr)
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
return csc->handle_initial_breakpoint(sigtrap_lwpid);
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
return csc.handle_initial_breakpoint(sigtrap_lwpid);
}
@ -378,15 +542,15 @@ void genode_remove_thread(unsigned long lwpid)
extern "C" void genode_stop_all_threads()
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
csc->pause_all_threads();
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
csc.pause_all_threads();
}
void genode_resume_all_threads()
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
csc->resume_all_threads();
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
csc.resume_all_threads();
}
@ -409,9 +573,9 @@ int genode_kill(int pid)
void genode_continue_thread(unsigned long lwpid, int single_step)
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
Cpu_session_component &csc = genode_child_resources().cpu_session_component();
Cpu_thread_component *cpu_thread = csc->lookup_cpu_thread(lwpid);
Cpu_thread_component *cpu_thread = csc.lookup_cpu_thread(lwpid);
if (!cpu_thread) {
error(__func__, ": " "could not find CPU thread object for lwpid ", lwpid);
@ -465,160 +629,9 @@ void genode_store_registers(struct regcache *regcache, int regno)
}
class Memory_model
{
private:
Lock _lock;
Region_map_component * const _address_space;
/**
* Representation of a currently mapped region
*/
struct Mapped_region
{
Region_map_component::Region *_region;
unsigned char *_local_base;
Mapped_region() : _region(0), _local_base(0) { }
bool valid() { return _region != 0; }
bool loaded(Region_map_component::Region const * region)
{
return _region == region;
}
void flush()
{
if (!valid()) return;
env()->rm_session()->detach(_local_base);
_local_base = 0;
_region = 0;
}
void load(Region_map_component::Region *region)
{
if (region == _region)
return;
if (!region || valid())
flush();
if (!region)
return;
try {
_region = region;
_local_base = env()->rm_session()->attach(_region->ds_cap(),
0, _region->offset());
} catch (Region_map::Attach_failed) {
flush();
error(__func__, ": RM attach failed");
}
}
unsigned char *local_base() { return _local_base; }
};
enum { NUM_MAPPED_REGIONS = 1 };
Mapped_region _mapped_region[NUM_MAPPED_REGIONS];
unsigned _evict_idx;
/**
* Return local address of mapped region
*
* The function returns 0 if the mapping fails
*/
unsigned char *_update_curr_region(Region_map_component::Region *region)
{
for (unsigned i = 0; i < NUM_MAPPED_REGIONS; i++) {
if (_mapped_region[i].loaded(region))
return _mapped_region[i].local_base();
}
/* flush one currently mapped region */
_evict_idx++;
if (_evict_idx == NUM_MAPPED_REGIONS)
_evict_idx = 0;
_mapped_region[_evict_idx].load(region);
return _mapped_region[_evict_idx].local_base();
}
public:
Memory_model(Region_map_component *address_space)
:
_address_space(address_space), _evict_idx(0)
{ }
unsigned char read(void *addr)
{
Lock::Guard guard(_lock);
addr_t offset_in_region = 0;
Region_map_component::Region *region =
_address_space->find_region(addr, &offset_in_region);
unsigned char *local_base = _update_curr_region(region);
if (!local_base) {
warning(__func__, ": no memory at address ", addr);
throw No_memory_at_address();
}
unsigned char value =
local_base[offset_in_region];
if (verbose)
log(__func__, ": read addr=", addr, ", value=", Hex(value));
return value;
}
void write(void *addr, unsigned char value)
{
if (verbose)
log(__func__, ": write addr=", addr, ", value=", Hex(value));
Lock::Guard guard(_lock);
addr_t offset_in_region = 0;
Region_map_component::Region *region =
_address_space->find_region(addr, &offset_in_region);
unsigned char *local_base = _update_curr_region(region);
if (!local_base) {
warning(__func__, ": no memory at address=", addr);
warning("(attempted to write ", Hex(value), ")");
throw No_memory_at_address();
}
local_base[offset_in_region] = value;
}
};
/**
* Return singleton instance of memory model
*/
static Memory_model *memory_model()
{
static Memory_model inst(genode_child_resources()->region_map_component());
return &inst;
}
unsigned char genode_read_memory_byte(void *addr)
{
return memory_model()->read(addr);
return memory_model().read(addr);
}
@ -641,7 +654,7 @@ int genode_read_memory(CORE_ADDR memaddr, unsigned char *myaddr, int len)
void genode_write_memory_byte(void *addr, unsigned char value)
{
memory_model()->write(addr, value);
memory_model().write(addr, value);
}

24
repos/ports/src/app/gdb_monitor/genode_child_resources.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -16,6 +16,8 @@
#include "region_map_component.h"
extern "C" void abort();
namespace Gdb_monitor {
class Cpu_session_component;
class Genode_child_resources;
@ -23,7 +25,6 @@ namespace Gdb_monitor {
class Gdb_monitor::Genode_child_resources
{
private:
Cpu_session_component *_cpu_session_component = 0;
@ -41,8 +42,23 @@ class Gdb_monitor::Genode_child_resources
_region_map_component = region_map_component;
}
Cpu_session_component *cpu_session_component() { return _cpu_session_component; }
Region_map_component *region_map_component() { return _region_map_component; }
Cpu_session_component &cpu_session_component()
{
if (!_cpu_session_component) {
Genode::error("_cpu_session_component is not set");
abort();
}
return *_cpu_session_component;
}
Region_map_component &region_map_component()
{
if (!_region_map_component) {
Genode::error("_region_map_component is not set");
abort();
}
return *_region_map_component;
}
};
#endif /* _GENODE_CHILD_RESOURCES_H_ */

23
repos/ports/src/app/gdb_monitor/pd_session_component.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2016 Genode Labs GmbH
* Copyright (C) 2016-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -22,9 +22,10 @@
#include "region_map_component.h"
namespace Gdb_monitor {
class Pd_session_component;
typedef Genode::Local_service<Pd_session_component> Pd_service;
using namespace Genode;
class Pd_session_component;
typedef Local_service<Pd_session_component> Pd_service;
}
class Gdb_monitor::Pd_session_component : public Rpc_object<Pd_session>
@ -32,6 +33,7 @@ class Gdb_monitor::Pd_session_component : public Rpc_object<Pd_session>
private:
Rpc_entrypoint &_ep;
Allocator &_alloc;
Pd_connection _pd;
@ -44,13 +46,18 @@ class Gdb_monitor::Pd_session_component : public Rpc_object<Pd_session>
/**
* Constructor
*/
Pd_session_component(char const *binary_name, Rpc_entrypoint &ep,
Pd_session_component(Rpc_entrypoint &ep,
Env &env,
Allocator &alloc,
char const *binary_name,
Dataspace_pool &managed_ds_map)
:
_ep(ep), _pd(binary_name),
_address_space(_ep, managed_ds_map, _pd, _pd.address_space()),
_stack_area (_ep, managed_ds_map, _pd, _pd.stack_area()),
_linker_area (_ep, managed_ds_map, _pd, _pd.linker_area())
_ep(ep),
_alloc(alloc),
_pd(env, binary_name),
_address_space(_ep, _alloc, managed_ds_map, _pd, _pd.address_space()),
_stack_area (_ep, _alloc, managed_ds_map, _pd, _pd.stack_area()),
_linker_area (_ep, _alloc, managed_ds_map, _pd, _pd.linker_area())
{
_ep.manage(this);
}

4
repos/ports/src/app/gdb_monitor/ram_session_component.cc
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -20,7 +20,7 @@
using namespace Genode;
using namespace Gdb_monitor;
Ram_session_component::Ram_session_component(Genode::Env &env, const char *args,
Ram_session_component::Ram_session_component(Env &env, const char *args,
Affinity const &affinity)
: _env(env),
_parent_ram_session(_env.session<Ram_session>(_id_space_element.id(), args, affinity))

21
repos/ports/src/app/gdb_monitor/ram_session_component.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2006-2016 Genode Labs GmbH
* Copyright (C) 2006-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -20,29 +20,30 @@
namespace Gdb_monitor
{
class Ram_session_component;
using namespace Genode;
class Ram_session_component;
}
class Gdb_monitor::Ram_session_component : public Rpc_object<Ram_session>
{
private:
Genode::Env &_env;
Env &_env;
Genode::Parent::Client _parent_client;
Parent::Client _parent_client;
Id_space<Parent::Client>::Element const _id_space_element
{ _parent_client, _env.id_space() };
Genode::Ram_session_client _parent_ram_session;
Ram_session_client _parent_ram_session;
public:
/**
* Constructor
*/
Ram_session_component(Genode::Env &env, const char *args,
Ram_session_component(Env &env, const char *args,
Affinity const &affinity);
/**
@ -55,12 +56,12 @@ class Gdb_monitor::Ram_session_component : public Rpc_object<Ram_session>
** RAM Session interface **
***************************/
Ram_dataspace_capability alloc(Genode::size_t, Cache_attribute);
Ram_dataspace_capability alloc(size_t, Cache_attribute);
void free(Ram_dataspace_capability);
int ref_account(Ram_session_capability);
int transfer_quota(Ram_session_capability, Genode::size_t);
Genode::size_t quota();
Genode::size_t used();
int transfer_quota(Ram_session_capability, size_t);
size_t quota();
size_t used();
};
#endif /* _RAM_SESSION_COMPONENT_H_ */

10
repos/ports/src/app/gdb_monitor/region_map_component.cc
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -75,7 +75,7 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
executable);
Lock::Guard lock_guard(_region_map_lock);
_region_map.insert(new (env()->heap()) Region(addr, (void*)((addr_t)addr + size - 1), ds_cap, offset));
_region_map.insert(new (_alloc) Region(addr, (void*)((addr_t)addr + size - 1), ds_cap, offset));
return addr;
}
@ -92,7 +92,7 @@ void Region_map_component::detach(Region_map::Local_addr local_addr)
return;
}
_region_map.remove(region);
destroy(env()->heap(), region);
destroy(_alloc, region);
}
@ -111,16 +111,18 @@ Region_map::State Region_map_component::state()
Dataspace_capability Region_map_component::dataspace()
{
Dataspace_capability ds_cap = _parent_region_map.dataspace();
_managed_ds_map.insert(new (env()->heap()) Dataspace_object(ds_cap, this));
_managed_ds_map.insert(new (_alloc) Dataspace_object(ds_cap, this));
return ds_cap;
}
Region_map_component::Region_map_component(Rpc_entrypoint &ep,
Allocator &alloc,
Dataspace_pool &managed_ds_map,
Pd_session_capability pd,
Capability<Region_map> parent_region_map)
:
_ep(ep),
_alloc(alloc),
_pd(pd),
_parent_region_map(parent_region_map),
_managed_ds_map(managed_ds_map)

25
repos/ports/src/app/gdb_monitor/region_map_component.h
View File

@ -6,7 +6,7 @@
*/
/*
* Copyright (C) 2006-2016 Genode Labs GmbH
* Copyright (C) 2006-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -31,11 +31,13 @@ namespace Gdb_monitor {
{
private:
Rpc_entrypoint &_ep;
Rpc_entrypoint &_ep;
Pd_session_capability _pd;
Allocator &_alloc;
Genode::Region_map_client _parent_region_map;
Pd_session_capability _pd;
Region_map_client _parent_region_map;
public:
@ -44,7 +46,7 @@ namespace Gdb_monitor {
private:
void *_start;
void *_end;
Genode::off_t _offset;
off_t _offset;
Dataspace_capability _ds_cap;
public:
@ -63,7 +65,7 @@ namespace Gdb_monitor {
}
void *start() { return _start; }
Genode::off_t offset() { return _offset; }
off_t offset() { return _offset; }
Dataspace_capability ds_cap() { return _ds_cap; }
};
@ -78,9 +80,10 @@ namespace Gdb_monitor {
/**
* Constructor
*/
Region_map_component(Rpc_entrypoint &ep,
Dataspace_pool &managed_ds_map,
Pd_session_capability pd,
Region_map_component(Rpc_entrypoint &ep,
Allocator &alloc,
Dataspace_pool &managed_ds_map,
Pd_session_capability pd,
Capability<Region_map> parent_region_map);
~Region_map_component();
@ -98,8 +101,8 @@ namespace Gdb_monitor {
** Region manager session interface **
**************************************/
Local_addr attach (Dataspace_capability, Genode::size_t,
Genode::off_t, bool, Local_addr, bool) override;
Local_addr attach (Dataspace_capability, size_t,
off_t, bool, Local_addr, bool) override;
void detach (Local_addr) override;
void fault_handler (Signal_context_capability) override;
State state () override;

97
repos/ports/src/app/gdb_monitor/rom.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -24,38 +24,11 @@
namespace Gdb_monitor
{
using namespace Genode;
class Rom_session_component;
class Local_rom_factory;
typedef Genode::Local_service<Rom_session_component> Rom_service;
using namespace Genode;
}
/**
* Clone a ROM dataspace in RAM
*/
static Genode::Capability<Genode::Ram_dataspace>
clone_rom(Genode::Capability<Genode::Rom_dataspace> rom_cap)
{
using namespace Genode;
Genode::size_t rom_size = Dataspace_client(rom_cap).size();
Capability<Ram_dataspace> clone_cap = env()->ram_session()->alloc(rom_size);
if (!clone_cap.valid()) {
error(__func__, ": memory allocation for cloned dataspace failed");
return Capability<Ram_dataspace>();
}
void *rom = env()->rm_session()->attach(rom_cap);
void *clone = env()->rm_session()->attach(clone_cap);
Genode::memcpy(clone, rom, rom_size);
env()->rm_session()->detach(rom);
env()->rm_session()->detach(clone);
return clone_cap;
typedef Local_service<Rom_session_component> Rom_service;
}
@ -66,20 +39,51 @@ class Gdb_monitor::Rom_session_component : public Rpc_object<Rom_session>
{
private:
Genode::Rpc_entrypoint &_ep;
Env &_env;
Rpc_entrypoint &_ep;
Capability<Ram_dataspace> _clone_cap;
/**
* Clone a ROM dataspace in RAM
*/
Capability<Ram_dataspace> _clone_rom(Capability<Rom_dataspace> rom_cap)
{
using namespace Genode;
size_t rom_size = Dataspace_client(rom_cap).size();
Capability<Ram_dataspace> clone_cap = _env.ram().alloc(rom_size);
if (!clone_cap.valid()) {
error(__func__, ": memory allocation for cloned dataspace failed");
return Capability<Ram_dataspace>();
}
void *rom = _env.rm().attach(rom_cap);
void *clone = _env.rm().attach(clone_cap);
memcpy(clone, rom, rom_size);
_env.rm().detach(rom);
_env.rm().detach(clone);
return clone_cap;
}
Capability<Ram_dataspace> _clone_cap;
public:
Rom_session_component(Genode::Rpc_entrypoint &ep, char const *filename)
: _ep(ep),
_clone_cap(clone_rom(Rom_connection(filename).dataspace()))
Rom_session_component(Env &env,
Rpc_entrypoint &ep,
char const *filename)
: _env(env),
_ep(ep),
_clone_cap(_clone_rom(Rom_connection(env, filename).dataspace()))
{ _ep.manage(this); }
~Rom_session_component()
{
env()->ram_session()->free(_clone_cap);
_env.ram().free(_clone_cap);
_ep.dissolve(this);
}
@ -93,7 +97,7 @@ class Gdb_monitor::Rom_session_component : public Rpc_object<Rom_session>
static_cap_cast<Dataspace>(_clone_cap));
}
void sigh(Genode::Signal_context_capability) override { }
void sigh(Signal_context_capability) override { }
};
@ -101,13 +105,14 @@ class Gdb_monitor::Local_rom_factory : public Rom_service::Factory
{
private:
Genode::Env &_env;
Genode::Rpc_entrypoint &_ep;
Env &_env;
Rpc_entrypoint &_ep;
Allocator &_alloc;
public:
Local_rom_factory(Genode::Env &env, Genode::Rpc_entrypoint &ep)
: _env(env), _ep(ep) { }
Local_rom_factory(Env &env, Rpc_entrypoint &ep, Allocator &alloc)
: _env(env), _ep(ep), _alloc(alloc) { }
/***********************
** Factory interface **
@ -117,15 +122,17 @@ class Gdb_monitor::Local_rom_factory : public Rom_service::Factory
{
Session_label const label = label_from_args(args.string());
return *new (env()->heap())
Rom_session_component(_ep, label.last_element().string());
return *new (_alloc)
Rom_session_component(_env,
_ep,
label.last_element().string());
}
void upgrade(Rom_session_component &, Args const &) override { }
void destroy(Rom_session_component &session) override
{
Genode::destroy(env()->heap(), &session);
Genode::destroy(_alloc, &session);
}
};

9
repos/ports/src/app/gdb_monitor/signal_handler_thread.cc
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -16,16 +16,17 @@
using namespace Genode;
using namespace Gdb_monitor;
Signal_handler_thread::Signal_handler_thread(Signal_receiver *receiver)
Signal_handler_thread::Signal_handler_thread(Env &env,
Signal_receiver &receiver)
:
Thread_deprecated<SIGNAL_HANDLER_THREAD_STACK_SIZE>("sig_handler"),
Thread(env, "sig_handler", SIGNAL_HANDLER_THREAD_STACK_SIZE),
_signal_receiver(receiver) { }
void Signal_handler_thread::entry()
{
while(1) {
Signal s = _signal_receiver->wait_for_signal();
Signal s = _signal_receiver.wait_for_signal();
Signal_dispatcher_base *signal_dispatcher =
dynamic_cast<Signal_dispatcher_base*>(s.context());

13
repos/ports/src/app/gdb_monitor/signal_handler_thread.h
View File

@ -5,7 +5,7 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
@ -17,22 +17,21 @@
#include <base/signal.h>
#include <base/thread.h>
using namespace Genode;
namespace Gdb_monitor {
using namespace Genode;
enum { SIGNAL_HANDLER_THREAD_STACK_SIZE = 2*1024*sizeof(addr_t) };
class Signal_handler_thread
: public Thread_deprecated<SIGNAL_HANDLER_THREAD_STACK_SIZE>
class Signal_handler_thread : public Thread
{
private:
Signal_receiver *_signal_receiver;
Signal_receiver &_signal_receiver;
public:
Signal_handler_thread(Signal_receiver *receiver);
Signal_handler_thread(Env &env, Signal_receiver &receiver);
void entry();
};

20
repos/ports/src/lib/gdbserver_platform/gdbserver_platform_helper.cc
View File

@ -5,12 +5,17 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#include <cpu_thread/client.h>
#include "cpu_session_component.h"
#include "genode_child_resources.h"
extern "C" {
#define private _private
#include "server.h"
@ -19,11 +24,6 @@ extern "C" {
#define _private private
}
#include <cpu_thread/client.h>
#include "cpu_session_component.h"
#include "genode_child_resources.h"
using namespace Genode;
using namespace Gdb_monitor;
@ -35,11 +35,11 @@ static constexpr bool verbose = false;
Thread_state get_current_thread_state()
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
Cpu_session_component &csc = genode_child_resources()->cpu_session_component();
ptid_t ptid = ((struct inferior_list_entry*)current_inferior)->id;
Cpu_thread_client cpu_thread(csc->thread_cap(ptid.lwp));
Cpu_thread_client cpu_thread(csc.thread_cap(ptid.lwp));
return cpu_thread.state();
}
@ -47,11 +47,11 @@ Thread_state get_current_thread_state()
void set_current_thread_state(Thread_state thread_state)
{
Cpu_session_component *csc = genode_child_resources()->cpu_session_component();
Cpu_session_component &csc = genode_child_resources()->cpu_session_component();
ptid_t ptid = ((struct inferior_list_entry*)current_inferior)->id;
Cpu_thread_client cpu_thread(csc->thread_cap(ptid.lwp));
Cpu_thread_client cpu_thread(csc.thread_cap(ptid.lwp));
cpu_thread.state(thread_state);
}

19
repos/ports/src/lib/gdbserver_platform/spec/foc_arm/low.cc
View File

@ -5,25 +5,28 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/log.h>
/* GDB monitor includes */
#include "cpu_session_component.h"
#include "reg-arm.h"
#include "gdbserver_platform_helper.h"
#include "genode_child_resources.h"
extern "C" {
#define private _private
#include "genode-low.h"
#define _private private
}
#include <base/log.h>
#include "cpu_session_component.h"
#include "reg-arm.h"
#include "gdbserver_platform_helper.h"
#include "genode_child_resources.h"
using namespace Genode;
static bool in_syscall(Thread_state const &ts)

17
repos/ports/src/lib/gdbserver_platform/spec/foc_x86_32/low.cc
View File

@ -5,24 +5,27 @@
*/
/*
* Copyright (C) 2011-2016 Genode Labs GmbH
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/log.h>
/* GDB monitor includes */
#include "i386.h"
#include "cpu_session_component.h"
#include "gdbserver_platform_helper.h"
#include "genode_child_resources.h"
extern "C" {
#define private _private
#include "genode-low.h"
#define _private private
}
#include <base/log.h>
#include "i386.h"
#include "cpu_session_component.h"
#include "gdbserver_platform_helper.h"
#include "genode_child_resources.h"
using namespace Genode;
static bool in_syscall(Thread_state const &thread_state)