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Issue #1829 - Revert "Issue #1751"

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Brian Smith 2022-04-26 11:34:08 -05:00 • committed by roytam1
commit 13fcc4a046
949 changed files with 95662 additions and 444 deletions
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48
dom/media/gmp/rlz/GMPDeviceBinding.cpp
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@ -32,6 +32,14 @@
#include "windows.h"
#endif
#ifdef XP_MACOSX
#include <assert.h>
#ifdef HASH_NODE_ID_WITH_DEVICE_ID
#include <unistd.h>
#include <mach/mach.h>
#include <mach/mach_vm.h>
#endif
#endif
#endif // HASH_NODE_ID_WITH_DEVICE_ID
@ -75,6 +83,46 @@ GetStackAfterCurrentFrame(uint8_t** aOutTop, uint8_t** aOutBottom)
}
#endif
#if defined(XP_MACOSX) && defined(HASH_NODE_ID_WITH_DEVICE_ID)
static mach_vm_address_t
RegionContainingAddress(mach_vm_address_t aAddress)
{
mach_port_t task;
kern_return_t kr = task_for_pid(mach_task_self(), getpid(), &task);
if (kr != KERN_SUCCESS) {
return 0;
}
mach_vm_address_t address = aAddress;
mach_vm_size_t size;
vm_region_basic_info_data_64_t info;
mach_msg_type_number_t count = VM_REGION_BASIC_INFO_COUNT_64;
mach_port_t object_name;
kr = mach_vm_region(task, &address, &size, VM_REGION_BASIC_INFO_64,
reinterpret_cast<vm_region_info_t>(&info), &count,
&object_name);
if (kr != KERN_SUCCESS || size == 0
|| address > aAddress || address + size <= aAddress) {
// mach_vm_region failed, or couldn't find region at given address.
return 0;
}
return address;
}
MOZ_NEVER_INLINE
static bool
GetStackAfterCurrentFrame(uint8_t** aOutTop, uint8_t** aOutBottom)
{
mach_vm_address_t stackFrame =
reinterpret_cast<mach_vm_address_t>(__builtin_frame_address(0));
*aOutTop = reinterpret_cast<uint8_t*>(stackFrame);
// Kernel code shows that stack is always a single region.
*aOutBottom = reinterpret_cast<uint8_t*>(RegionContainingAddress(stackFrame));
return *aOutBottom && (*aOutBottom < *aOutTop);
}
#endif
#ifdef HASH_NODE_ID_WITH_DEVICE_ID
static void SecureMemset(void* start, uint8_t value, size_t size)
{