May 2024
Intermediate to advanced
536 pages
17h 10m
English
Content preview from Compilers: Principles and Practice by Pearson
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248 Compilers – Principles and Practice
PSP: (ESP) Parameter stack pointer
LP: (ESI) List-pointer
The three critical operations are implemented as follows, in the order as stored in the memory.
CALL: LEA EBP, -4(EBP)
MOVW (EBP), ESI
ADDW EAX, 4
MOVW ESI, EAX
NEXT: LODS
JMP *(EAX)
RET: MOV ESP, (EBP)
LEA EBP, 4(EBP)
LODS
JMP *(EAX)
8.7 SECD and WAM
There are two virtual machines of historical importance – SECD for the LISP and other functional
languages and Warren abstract machine (WAM) for the PROLOG and other similar logic languages.
Both these machines were intended to be used in three ways – for interpreted execution, further
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