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sandbox: Unprotect DATA regions in bus tests

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On my Ubuntu 18.04.1 machine two driver-model bus tests have started
failing recently. The problem appears to be that the DATA region of the
executable is protected. This does not seem correct, but perhaps there
is a reason.

To work around it, unprotect the regions in these tests before accessing
them.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2018-10-01 21:12:32 -06:00
parent 0a60a81ba3
commit 9f8037ea9c
3 changed files with 35 additions and 0 deletions
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12
test/dm/bus.c
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@ -4,6 +4,9 @@
*/
#include <common.h>
#ifdef CONFIG_SANDBOX
#include <os.h>
#endif
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/test.h>
@ -297,6 +300,11 @@ static int dm_test_bus_parent_data_uclass(struct unit_test_state *uts)
ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
drv = (struct driver *)bus->driver;
size = drv->per_child_auto_alloc_size;
#ifdef CONFIG_SANDBOX
os_mprotect_allow(bus->uclass->uc_drv, sizeof(*bus->uclass->uc_drv));
os_mprotect_allow(drv, sizeof(*drv));
#endif
bus->uclass->uc_drv->per_child_auto_alloc_size = size;
drv->per_child_auto_alloc_size = 0;
ret = test_bus_parent_data(uts);
@ -440,6 +448,10 @@ static int dm_test_bus_parent_platdata_uclass(struct unit_test_state *uts)
ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
drv = (struct driver *)bus->driver;
size = drv->per_child_platdata_auto_alloc_size;
#ifdef CONFIG_SANDBOX
os_mprotect_allow(bus->uclass->uc_drv, sizeof(*bus->uclass->uc_drv));
os_mprotect_allow(drv, sizeof(*drv));
#endif
bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = size;
drv->per_child_platdata_auto_alloc_size = 0;
ret = test_bus_parent_platdata(uts);