Embedded type system storage space optimization method
An embedded system and storage space technology, applied in memory systems, memory address/allocation/relocation, instruments, etc., can solve the problems of reducing system operation efficiency, high cost, and complex implementation, so as to improve operation efficiency and reduce system costs. cost, size reduction effect
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[0043] The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0044] Take the Linux platform ELF format as an example, such as figure 1 As shown, the overall processing flow of the present invention includes the following steps:
[0045] (101) Reserve virtual address space slots for shared libraries in the application virtual address space;
[0046] In general systems, the virtual address of an application program usually starts from a fixed address 0xVADDR. This scheme makes the virtual address of the application program start from the 0xVADDR+SIZE unit, and reserve the SIZE byte starting from the 0xVADDR unit for the shared library that needs to be mapped. On the Linux platform, this step can be achieved by modifying the default connection script file of the connection tool LD.
[0047] Count the number N of shared libraries that need to be mapped in the target system, and divide the reserved ...
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