Ignore:
Timestamp:
Jan 31, 2018, 5:50:34 PM (4 years ago)
Author:
Rob Schluntz <rschlunt@…>
Branches:
aaron-thesis, arm-eh, cleanup-dtors, deferred_resn, demangler, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, resolv-new, with_gc
Children:
295e5071
Parents:
bc6f918 (diff), 281806b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge branch 'master' of plg.uwaterloo.ca:/u/cforall/software/cfa/cfa-cc

File:
1 edited

Legend:

Unmodified
Added
Removed
  • src/libcfa/concurrency/coroutine.c

    rbc6f918 re2e7330  
    118118} //ctxSwitchDirect
    119119
    120 void create_stack( coStack_t* this, unsigned int storageSize ) {
     120void create_stack( coStack_t* this, unsigned int storageSize ) with( *this ) {
    121121        //TEMP HACK do this on proper kernel startup
    122122        if(pageSize == 0ul) pageSize = sysconf( _SC_PAGESIZE );
     
    124124        size_t cxtSize = libCeiling( sizeof(machine_context_t), 8 ); // minimum alignment
    125125
    126         if ( (intptr_t)this->storage == 0 ) {
    127                 this->userStack = false;
    128                 this->size = libCeiling( storageSize, 16 );
     126        if ( (intptr_t)storage == 0 ) {
     127                userStack = false;
     128                size = libCeiling( storageSize, 16 );
    129129                // use malloc/memalign because "new" raises an exception for out-of-memory
    130130
    131131                // assume malloc has 8 byte alignment so add 8 to allow rounding up to 16 byte alignment
    132                 __cfaabi_dbg_debug_do( this->storage = memalign( pageSize, cxtSize + this->size + pageSize ) );
    133                 __cfaabi_dbg_no_debug_do( this->storage = malloc( cxtSize + this->size + 8 ) );
     132                __cfaabi_dbg_debug_do( storage = memalign( pageSize, cxtSize + size + pageSize ) );
     133                __cfaabi_dbg_no_debug_do( storage = malloc( cxtSize + size + 8 ) );
    134134
    135135                __cfaabi_dbg_debug_do(
    136                         if ( mprotect( this->storage, pageSize, PROT_NONE ) == -1 ) {
     136                        if ( mprotect( storage, pageSize, PROT_NONE ) == -1 ) {
    137137                                abortf( "(uMachContext &)%p.createContext() : internal error, mprotect failure, error(%d) %s.", this, (int)errno, strerror( (int)errno ) );
    138138                        } // if
    139139                );
    140140
    141                 if ( (intptr_t)this->storage == 0 ) {
    142                         abortf( "Attempt to allocate %d bytes of storage for coroutine or task execution-state but insufficient memory available.", this->size );
     141                if ( (intptr_t)storage == 0 ) {
     142                        abortf( "Attempt to allocate %d bytes of storage for coroutine or task execution-state but insufficient memory available.", size );
    143143                } // if
    144144
    145                 __cfaabi_dbg_debug_do( this->limit = (char *)this->storage + pageSize );
    146                 __cfaabi_dbg_no_debug_do( this->limit = (char *)libCeiling( (unsigned long)this->storage, 16 ) ); // minimum alignment
     145                __cfaabi_dbg_debug_do( limit = (char *)storage + pageSize );
     146                __cfaabi_dbg_no_debug_do( limit = (char *)libCeiling( (unsigned long)storage, 16 ) ); // minimum alignment
    147147
    148148        } else {
    149                 assertf( ((size_t)this->storage & (libAlign() - 1)) != 0ul, "Stack storage %p for task/coroutine must be aligned on %d byte boundary.", this->storage, (int)libAlign() );
    150                 this->userStack = true;
    151                 this->size = storageSize - cxtSize;
     149                assertf( ((size_t)storage & (libAlign() - 1)) != 0ul, "Stack storage %p for task/coroutine must be aligned on %d byte boundary.", storage, (int)libAlign() );
     150                userStack = true;
     151                size = storageSize - cxtSize;
    152152
    153                 if ( this->size % 16 != 0u ) this->size -= 8;
     153                if ( size % 16 != 0u ) size -= 8;
    154154
    155                 this->limit = (char *)libCeiling( (unsigned long)this->storage, 16 ); // minimum alignment
     155                limit = (char *)libCeiling( (unsigned long)storage, 16 ); // minimum alignment
    156156        } // if
    157         assertf( this->size >= MinStackSize, "Stack size %zd provides less than minimum of %d bytes for a stack.", this->size, MinStackSize );
     157        assertf( size >= MinStackSize, "Stack size %zd provides less than minimum of %d bytes for a stack.", size, MinStackSize );
    158158
    159         this->base = (char *)this->limit + this->size;
    160         this->context = this->base;
    161         this->top = (char *)this->context + cxtSize;
     159        base = (char *)limit + size;
     160        context = base;
     161        top = (char *)context + cxtSize;
    162162}
    163163
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