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Control Flow

Control Flow-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Software security via control flow integrity checking
Galois, Inc.
April 12, 2018 - N°20180101565

Various technologies related to control flow integrity checking are described herein and can be used to greatly improve software security. During static analysis, a canonical control flow graph can be built. Execution of a program can be interrupted at runtime, and the call stack can be observed to verify control flow integrity of the program using the canonical control flow ...
Reducing call overhead through function splitting
International Business Machines Corporation
April 12, 2018 - N°20180101368

Embodiments disclose a method, computer program product, and system for optimizing computer functions. The embodiment may create a control flow graph from a computer function. The control flow graph may contain an entry block, an exit block, and basic blocks located between the entry block and the exit block. The embodiment may classify each of the basic blocks as an ...
Electrical switch unit for an electrical device
Defond Components Limited
April 05, 2018 - N°20180096813

An electrical switch unit for use in an electrical device to control flow of electrical current therethrough from a power source to power the electrical device, the electrical switch unit comprising: a fixed electrical contact and a movable electrical contact, said movable electrical contact being configured for movement relative to the fixed electrical contact between an on position in which ...
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Control flow integrity
April 05, 2018 - N°20180095764

One embodiment provides an apparatus. The apparatus includes collector circuitry to capture processor trace (pt) data from a pt driver. The pt data includes a first target instruction pointer (tip) packet including a first runtime target address of an indirect branch instruction of an executing target application. The apparatus further includes decoder circuitry to extract the first tip packet from ...
Microfluidic valves and devices
Orphidia Limited
April 05, 2018 - N°20180093269

A microfluidic valve assembly and a microfluidic sensing platform are provided. The valve assembly has particular utility for separating test fluids from being in contact with a soft substrate, for example, a pdms substrate. The valve member includes a stretchable membrane positioned to seal a fluid channel. The microfluidic sensing platform is particularly suited for detecting and/or quantifying the ...
Reactor
Ihi Corporation
April 05, 2018 - N°20180093242

A reactor includes: a main reactor core including main reaction flow channels through which the raw material fluid flows, and main temperature control flow channels through which the heat medium flows along a flow direction of the raw material fluid flowing in the main reaction flow channel; and a pre-reactor core including pre-reaction flow channels of which an outlet side ...
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Detection method for linux platform malware
Beijing Tongtech Co., Ltd.
March 22, 2018 - N°20180082064

A method of detecting malware in linux platform through the following steps: use objdump-d command to disassemble elf format benign software and malware samples to generate assembly files; traverse the generated assembly files one by one, read the elf files' code segment and meanwhile identify whether the code segment contains main( ) function; analyze the code segment read. Divide assembly code ...
Way storage of next cache line
Qualcomm Incorporated
March 22, 2018 - N°20180081815

Systems and methods for accessing a cache include determining if a current access of the cache will satisfy an expected relationship with a next access of the cache, wherein the cache is a set-associative cache comprising multiple ways. The next way for the next access is stored in a next way field associated with the current access. If the expected ...
Computed call/jump target resolution via behavior computation
Lenvio Inc.
March 22, 2018 - N°20180081699

A method and system resolving a computed call/jump target with computed behavior. The method begins with stripping a structured control flow graph of a computer program down to only those instructions that can reach a computed call/jump instruction of interest. The method continues by setting instruction semantics of the computed call/jump instruction of interest to a single ...
Selecting cobol perform statements for inlining
International Business Machines Corporation
March 15, 2018 - N°20180074802

An approach to selecting statements for inlining in a cobol program involving creating a perform graph (pg), determining whether the pg is a directed acyclic graph (dag), responsive to determining the pg is not a dag, identifying a maximum sub-graph dag corresponding to the pg, computing one or more infeasible paths associated with a control flow graph (cfg), wherein the ...
Selecting cobol perform statements for inlining
International Business Machines Corporation
March 15, 2018 - N°20180074794

An approach to selecting statements for inlining in a cobol program involving creating a perform graph (pg), determining whether the pg is a directed acyclic graph (dag), responsive to determining the pg is not a dag, identifying a maximum sub-graph dag corresponding to the pg, computing one or more infeasible paths associated with a control flow graph (cfg), wherein the ...
Controller for a motor vehicle cooling system and method
Jaguar Land Rover Limited
March 15, 2018 - N°20180073421

A controller for a motor vehicle cooling system thermostatic valve assembly, the assembly having a radiator bypass coolant flow inlet, a radiator coolant flow inlet and a coolant outlet, the assembly being configured to allow flow of coolant from the bypass coolant flow inlet to the coolant outlet and from the radiator coolant flow inlet to the coolant outlet, the ...
Fuel flow system
Rolls-royce Plc
March 08, 2018 - N°20180066588

A fuel flow system comprising a fuel manifold and a fuel nozzle. A fluidic valve having an inlet, a first outlet and a control flow inlet. The inlet is coupled to the fuel manifold. The first outlet is coupled to the fuel nozzle. The control flow inlet is coupled to a source of control fuel. The fluidic valve is configured ...
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Plumbing control system, method, and apparatus for preventing repeated use of an appliance with feedback
Sdb Ip Holdings, Llc
March 08, 2018 - N°20180066422

Provided is a system, method, and apparatus for preventing repeated use of a restroom appliance with visual feedback. The system includes a valve configured to control flow of a fluid by at least one valve operation, an actuator configured to request a use of the restroom appliance, at least one indicator configured to display at least three different visual states, ...
Container filling apparatus and method
Einstein Noodles, Llc
March 08, 2018 - N°20180065764

An apparatus for filling a container with a flowable product from a product supply includes a filling station that receives the flowable product from the product supply. The filling station includes (i) a line through which the flowable product flows between the product supply and the container, (ii) a fill valve that is configured to selectively control flow of the ...
Profile guided indirect function call check for control flow integrity
Qualcomm Incorporated
March 01, 2018 - N°20180060209

Embodiments include computing devices, apparatus, and methods implemented by the apparatus for implementing profile guided indirect jump checking on a computing device, including encountering an indirect jump location of implementing an indirect jump during execution of a program, identifying an indirect jump target of the indirect jump, determining whether the indirect jump location and the indirect jump target are associated ...
Systems and method for an engine bypass valve
General Electric Company
March 01, 2018 - N°20180058310

Various systems and methods are provided for controlling operation of a turbocharger compressor. In one example, a system includes a turbocharger including a turbine positioned in an exhaust passage and a compressor positioned in an intake passage, an engine bypass passage having an inlet fluidically coupled to an outlet of the compressor and an outlet fluidically coupled to an inlet ...
Door latch with delayed return mechanism
March 01, 2018 - N°20180058110

A delayed return mechanism, such as for a door latch, including a housing having a hole with an axis, a cavity in the housing at least partially filled with a fluid media, a hub disposed in the cavity including a spindle hole coaxial with the hole in the housing including teeth within the spindle hole to engage a spindle, the ...
Fine-grained analysis and prevention of invalid privilege transitions
Nec Laboratories America, Inc.
February 22, 2018 - N°20180052998

A computer-implemented method for analyzing operations of privilege changes is presented. The computer-implemented method includes inputting a program and performing source code analysis on the program by generating a privilege control flow graph (pcfg), generating a privilege data flow graph (pdfg), and generating a privilege call context graph (pccg). The computer-implemented method further includes, based on the source code analysis ...
Pressure regulator
The West Group Limited
February 22, 2018 - N°20180052474

A pressure regulator, said pressure regulator comprising a housing containing a channel arranged to communicate a fluid from a fluid inlet to a fluid outlet, said channel comprising a valve seat housing, a valve seat and closure member with said closure member operable with the valve seat and valve seat housing to control flow through the channel; wherein the housing ...
Work vehicle and method for controlling work vehicle
Komatsu Ltd.
February 15, 2018 - N°20180043929

An articulated work vehicle with linked front and rear frames includes a hydraulic actuator, a joystick lever operated by an operator, a control valve, a force imparting component, and a controller. The hydraulic actuator is driven hydraulically to change a steering angle of the front frame with respect to the rear frame. The control valve is linked to the joystick ...
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