diff options
Diffstat (limited to 'erts/emulator/beam/erl_vm.h')
| -rw-r--r-- | erts/emulator/beam/erl_vm.h | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index d37c2940c4..e623148587 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -41,8 +41,8 @@ #define MAX_REG 1024 /* Max number of x(N) registers used */ /* - * The new arithmetic operations need some extra X registers in the register array. - * so does the gc_bif's (i_gc_bif3 need 3 extra). + * The new trapping length/1 implementation need 3 extra registers in the + * register array. */ #define ERTS_X_REGS_ALLOCATED (MAX_REG+3) @@ -67,9 +67,10 @@ (unsigned long)HEAP_TOP(p),(sz),__FILE__,__LINE__)), \ */ # ifdef CHECK_FOR_HOLES -# define INIT_HEAP_MEM(p,sz) erts_set_hole_marker(HEAP_TOP(p), (sz)) +Eterm* erts_set_hole_marker(Eterm* ptr, Uint sz); +# define INIT_HEAP_MEM(p,sz) erts_set_hole_marker(p, (sz)) # else -# define INIT_HEAP_MEM(p,sz) sys_memset(HEAP_TOP(p),0x01,(sz)*sizeof(Eterm*)) +# define INIT_HEAP_MEM(p,sz) sys_memset(p,0x01,(sz)*sizeof(Eterm*)) # endif #else # define INIT_HEAP_MEM(p,sz) ((void)0) @@ -91,7 +92,7 @@ ErtsHAllocLockCheck(p), \ (IS_FORCE_HEAP_FRAGS || (((HEAP_LIMIT(p) - HEAP_TOP(p)) < (sz))) \ ? erts_heap_alloc((p),(sz),(xtra)) \ - : (INIT_HEAP_MEM(p,sz), \ + : (INIT_HEAP_MEM(HEAP_TOP(p),sz), \ HEAP_TOP(p) = HEAP_TOP(p) + (sz), HEAP_TOP(p) - (sz)))) #define HAlloc(P, SZ) HAllocX(P,SZ,0) @@ -146,6 +147,21 @@ (HEAP_TOP(p) = HEAP_TOP(p) + (sz), HEAP_TOP(p) - (sz)))) #endif +/* + * Always allocate in a heap fragment, never on the heap. + */ +#if defined(VALGRIND) +/* Running under valgrind, allocate exactly as much as needed.*/ +# define HeapFragOnlyAlloc(p, sz) \ + (ASSERT((sz) >= 0), \ + ErtsHAllocLockCheck(p), \ + erts_heap_alloc((p),(sz),0)) +#else +# define HeapFragOnlyAlloc(p, sz) \ + (ASSERT((sz) >= 0), \ + ErtsHAllocLockCheck(p), \ + erts_heap_alloc((p),(sz),512)) +#endif /* * Description for each instruction (defined here because the name and @@ -167,8 +183,6 @@ extern const int num_instructions; /* Number of instruction in opc[]. */ extern Uint erts_instr_count[]; -extern int tuple_module_apply; - /* some constants for various table sizes etc */ #define ATOM_TEXT_SIZE 32768 /* Increment for allocating atom text space */ |