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| author | Erlang/OTP <[email protected]> | 2010-03-22 14:51:35 +0000 |
|---|---|---|
| committer | Erlang/OTP <[email protected]> | 2010-03-22 15:56:43 +0100 |
| commit | a4b4d36cdbbd692123443a1d3f19f1c452963201 (patch) | |
| tree | 218002c4a2b38f69eb67d6388c8034820812fd47 /erts/emulator/beam/erl_vm.h | |
| parent | 835dba95f810cc925ac856171014b9dbea8c90be (diff) | |
| parent | 24095d93fb28bdd60abe771a426e39c6ff0f72c7 (diff) | |
| download | otp-a4b4d36cdbbd692123443a1d3f19f1c452963201.tar.gz otp-a4b4d36cdbbd692123443a1d3f19f1c452963201.tar.bz2 otp-a4b4d36cdbbd692123443a1d3f19f1c452963201.zip | |
Merge branch 'pan/otp_8332_halfword' into dev
* pan/otp_8332_halfword:
Teach testcase in driver_suite the new prototype for driver_async
wx: Correct usage of driver callbacks from wx thread
Adopt the new (R13B04) Nif functionality to the halfword codebase
Support monitoring and demonitoring from driver threads
Fix further test-suite problems
Correct the VM to work for more test suites
Teach {wordsize,internal|external} to system_info/1
Make tracing and distribution work
Turn on instruction packing in the loader and virtual machine
Add the BeamInstr data type for loaded BEAM code
Fix the BEAM dissambler for the half-word emulator
Store pointers to heap data in 32-bit words
Add a custom mmap wrapper to force heaps into the lower address range
Fit all heap data into the 32-bit address range
Diffstat (limited to 'erts/emulator/beam/erl_vm.h')
| -rw-r--r-- | erts/emulator/beam/erl_vm.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index 50b3e5b61c..235bd7931d 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -50,6 +50,15 @@ #define MAX_ARG 256 /* Max number of arguments allowed */ #define MAX_REG 1024 /* Max number of x(N) registers used */ +/* Scheduler stores data for temporary heaps if + !HEAP_ON_C_STACK. Macros (*TmpHeap*) in global.h selects if we put temporary + heap data on the C stack or if we use the buffers in the scheduler data. */ +#define TMP_HEAP_SIZE 128 /* Number of Eterm in the schedulers + small heap for transient heap data */ +#define CMP_TMP_HEAP_SIZE 2 /* cmp wants its own tmp-heap... */ +#define ERL_ARITH_TMP_HEAP_SIZE 4 /* as does erl_arith... */ +#define BEAM_EMU_TMP_HEAP_SIZE 2 /* and beam_emu... */ + /* * The new arithmetic operations need some extra X registers in the register array. */ @@ -130,8 +139,12 @@ #define HeapWordsLeft(p) (HEAP_LIMIT(p) - HEAP_TOP(p)) #if defined(DEBUG) || defined(CHECK_FOR_HOLES) +#if HALFWORD_HEAP +# define ERTS_HOLE_MARKER (0xaf5e78ccU) +#else # define ERTS_HOLE_MARKER (((0xaf5e78ccUL << 24) << 8) | 0xaf5e78ccUL) #endif +#endif /* * Allocate heap memory on the ordinary heap, NEVER in a heap |