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Function calling mechanism with embedded index for a handler program and an embedded immediate value for passing a parameter
Function calling mechanism with embedded index for a handler program and an embedded immediate value for passing a parameter
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机译:具有用于处理程序的嵌入式索引和用于传递参数的嵌入式立即值的函数调用机制
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摘要
A data processing system 2 is provided which includes an instruction decoder 18 responsive to a handler branch instruction HLB, HBLP which includes an index value field to calculate a handler pointer in dependence upon a handler base address HBA and the index value field and then to branch to that handler pointer position. A handler program 24, 26 at the branch target is then executed following which a return is made to an address following the handler branch instruction using a link address value stored when the handler branch instruction was executed.
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