diff options
| author | Björn Gustavsson <[email protected]> | 2011-05-03 14:20:22 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2011-05-11 09:20:01 +0200 |
| commit | 8d1dd7079fdcd22765b30a1268649022360f6f56 (patch) | |
| tree | ded2ecc4254e6668ef4c8ff38081001170a8949d /erts/emulator/beam/global.h | |
| parent | 2ef48dca9328e0b928117f21bc9ee6dbc5a614cc (diff) | |
| download | otp-8d1dd7079fdcd22765b30a1268649022360f6f56.tar.gz otp-8d1dd7079fdcd22765b30a1268649022360f6f56.tar.bz2 otp-8d1dd7079fdcd22765b30a1268649022360f6f56.zip | |
erl_trace: Eliminate alias warning
Avoid creating two variable names referring to the same memory
area, because that can cause aliasing warnings in some versions of
gcc.
Diffstat (limited to 'erts/emulator/beam/global.h')
| -rw-r--r-- | erts/emulator/beam/global.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 96da894d90..857aab2126 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -1890,6 +1890,8 @@ erts_alloc_message_heap(Uint size, # if defined(DEBUG) # define DeclareTmpHeap(VariableName,Size,Process) \ Eterm *VariableName = erts_debug_allocate_tmp_heap(Size,Process) +# define DeclareTypedTmpHeap(Type,VariableName,Process) \ + Type *VariableName = (Type *) erts_debug_allocate_tmp_heap(sizeof(Type)/sizeof(Eterm),Process) # define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm *VariableName = erts_debug_allocate_tmp_heap(Size,NULL) # define UseTmpHeap(Size,Proc) \ @@ -1911,6 +1913,8 @@ erts_alloc_message_heap(Uint size, # else # define DeclareTmpHeap(VariableName,Size,Process) \ Eterm *VariableName = (ERTS_PROC_GET_SCHDATA(Process)->tmp_heap)+(ERTS_PROC_GET_SCHDATA(Process)->num_tmp_heap_used) +# define DeclareTypedTmpHeap(Type,VariableName,Process) \ + Type *VariableName = (Type *) (ERTS_PROC_GET_SCHDATA(Process)->tmp_heap)+(ERTS_PROC_GET_SCHDATA(Process)->num_tmp_heap_used) # define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm *VariableName = (erts_get_scheduler_data()->tmp_heap)+(erts_get_scheduler_data()->num_tmp_heap_used) # define UseTmpHeap(Size,Proc) \ @@ -1936,6 +1940,8 @@ erts_alloc_message_heap(Uint size, #else # define DeclareTmpHeap(VariableName,Size,Process) \ Eterm VariableName[Size] +# define DeclareTypedTmpHeap(Type,VariableName,Process) \ + Type VariableName[1] # define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm VariableName[Size] # define UseTmpHeap(Size,Proc) /* Nothing */ |