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Last change
on this file since 2946 was
2946,
checked in by tranquil, 7 years ago
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main novelties:
- there is an in-built stack_usage nat in joint states, at the base of the new division of RTL's semantics (with separate stacks, with separate stacks but with an artificial overflow error, with a unique stack)
- a premain is added semantically to the global env, so initial cost label and main call and return are observed
- proper initialization is now in LINToASM (to be sure, endianess should be checked ;-)
The update breaks proofs of back end atm. compiler.ma should be okay, but I have not had time to complete its compilation.
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File size:
711 bytes
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| 1 | include "RTL/RTLToERTL.ma". |
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| 2 | include "RTL/RTL_semantics.ma". |
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| 3 | include "ERTL/ERTL_semantics.ma". |
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| 4 | include "joint/Traces.ma". |
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| 5 | include "common/StatusSimulation.ma". |
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| 6 | |
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| 7 | axiom RTLabsToRTL_ok : |
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| 8 | ∀stacksizes : ident → option ℕ. (* are hypotheses needed here? *) |
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| 9 | ∀p_in : rtl_program. |
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| 10 | let p_out ≝ rtl_to_ertl p_in in |
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| 11 | ∃[1] R. |
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| 12 | status_simulation |
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| 13 | (joint_status RTL_semantics_unique p_in stacksizes) |
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| 14 | (joint_status ERTL_semantics p_out stacksizes) |
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| 15 | R ∧ |
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| 16 | ∀init_in.make_initial_state |
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| 17 | (mk_prog_params RTL_semantics_unique p_in stacksizes) = OK … init_in → |
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| 18 | ∃init_out. |
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| 19 | make_initial_state |
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| 20 | (mk_prog_params ERTL_semantics p_out stacksizes) = |
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| 21 | OK ? init_out ∧ |
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| 22 | R init_in init_out. |
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