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New function mps_root_create_reg_masked applies a mask and pattern test to all words in registers and on the stack when scanning them. this supports tagged references in these locations.

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Consistently use the type "Word *" for pointers into the stack or into saved registers.
Remove TraceScanAreaTagged.

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This commit is contained in:
Gareth Rees 2015-09-04 12:22:03 +01:00
parent 3e9433f28f
commit edf30c06b4
31 changed files with 335 additions and 174 deletions
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2
mps/code/mpmst.h
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@ -791,7 +791,7 @@ typedef struct mps_arena_s {
Bool emergency; /* garbage collect in emergency mode? */
Addr *stackAtArenaEnter; /* NULL or top of client stack, in the thread */
Word *stackAtArenaEnter; /* NULL or top of client stack, in the thread */
/* that then entered the MPS. */
Sig sig;