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authorPatrik Nyblom <[email protected]>2009-12-07 15:25:32 +0100
committerBjörn Gustavsson <[email protected]>2010-03-10 14:23:54 +0100
commit5a8e6c4183a30f3b10de22fa5ba80950dfb2adea (patch)
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parent356c33b6063de632f9c98c66260603e6edbc3ee5 (diff)
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Fit all heap data into the 32-bit address range
This is the first step in the implementation of the half-word emulator, a 64-bit emulator where all pointers to heap data will be stored in 32-bit words. Code specific for this emulator variant is conditionally compiled when the HALFWORD_HEAP define has a non-zero value. First force all pointers to heap data to fall into a single 32-bit range, but still store them in 64-bit words. Temporary term data stored on C stack is moved into scheduler specific storage (allocated as heaps) and macros are added to make this happen only in emulators where this is needed. For a vanilla VM the temporary terms are still stored on the C stack.
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