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authorBjörn Gustavsson <bjorn@erlang.org>2011-05-13 14:22:29 +0200
committerBjörn Gustavsson <bjorn@erlang.org>2011-05-13 14:22:29 +0200
commit926795501b71ebf9ca4b22927021fa551549f9b0 (patch)
treec0ae4a4a483a858c0d26dbd763752ef7b038f71d
parente008b6385d038196f7d2c9db98339e311e48fa88 (diff)
parent54b677e80cdd1da685c69d349ca83e68dce5b991 (diff)
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Merge branch 'bjorn/fix-warnings/OTP-9250' into dev
* bjorn/fix-warnings/OTP-9250: Eliminate alias warning in gcc 4.5.2 erl_trace: Eliminate alias warning
-rw-r--r--erts/emulator/beam/beam_emu.c9
-rw-r--r--erts/emulator/beam/erl_process.c3
-rw-r--r--erts/emulator/beam/erl_trace.c22
-rw-r--r--erts/emulator/beam/global.h6
4 files changed, 24 insertions, 16 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 32ea8588d2..d5d113200a 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1911,13 +1911,15 @@ void process_main(void)
* Note that for the halfword emulator, the two first elements
* of the array are used.
*/
- *((BeamInstr **) (UWord) c_p->def_arg_reg) = I+3;
+ BeamInstr** pi = (BeamInstr**) c_p->def_arg_reg;
+ *pi = I+3;
set_timer(c_p, unsigned_val(timeout_value));
} else if (timeout_value == am_infinity) {
c_p->flags |= F_TIMO;
#if !defined(ARCH_64) || HALFWORD_HEAP
} else if (term_to_Uint(timeout_value, &time_val)) {
- *((BeamInstr **) (UWord) c_p->def_arg_reg) = I+3;
+ BeamInstr** pi = (BeamInstr**) c_p->def_arg_reg;
+ *pi = I+3;
set_timer(c_p, time_val);
#endif
} else { /* Wrong time */
@@ -1974,7 +1976,8 @@ void process_main(void)
* we must test the F_INSLPQUEUE flag as well as the F_TIMO flag.
*/
if ((c_p->flags & (F_INSLPQUEUE | F_TIMO)) == 0) {
- *((BeamInstr **) (UWord) c_p->def_arg_reg) = I+3;
+ BeamInstr** p = (BeamInstr **) c_p->def_arg_reg;
+ *p = I+3;
set_timer(c_p, Arg(1));
}
goto wait2;
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 8a56976905..05172aaefa 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -7637,7 +7637,8 @@ continue_exit_process(Process *p
static void
timeout_proc(Process* p)
{
- p->i = *((BeamInstr **) (UWord) p->def_arg_reg);
+ BeamInstr** pi = (BeamInstr **) p->def_arg_reg;
+ p->i = *pi;
p->flags |= F_TIMO;
p->flags &= ~F_INSLPQUEUE;
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index c0397ca6c3..8833137112 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -1538,8 +1538,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec,
Eterm tracee;
#endif
Eterm transformed_args[MAX_ARG];
- DeclareTmpHeap(sub_bin_heap_et,ERL_SUB_BIN_SIZE,p);
- ErlSubBin *sub_bin_heap = (ErlSubBin *) sub_bin_heap_et;
+ DeclareTypedTmpHeap(ErlSubBin,sub_bin_heap,p);
ASSERT(tracer_pid);
if (*tracer_pid == am_true) {
@@ -1600,21 +1599,20 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec,
if (is_boxed(arg) && header_is_bin_matchstate(*boxed_val(arg))) {
ErlBinMatchState* ms = (ErlBinMatchState *) boxed_val(arg);
ErlBinMatchBuffer* mb = &ms->mb;
- ErlSubBin* sb = sub_bin_heap;
Uint bit_size;
ASSERT(sub_bin_heap->thing_word == 0); /* At most one of match context */
bit_size = mb->size - mb->offset;
- sb->thing_word = HEADER_SUB_BIN;
- sb->size = BYTE_OFFSET(bit_size);
- sb->bitsize = BIT_OFFSET(bit_size);
- sb->offs = BYTE_OFFSET(mb->offset);
- sb->bitoffs = BIT_OFFSET(mb->offset);
- sb->is_writable = 0;
- sb->orig = mb->orig;
-
- arg = make_binary(sb);
+ sub_bin_heap->thing_word = HEADER_SUB_BIN;
+ sub_bin_heap->size = BYTE_OFFSET(bit_size);
+ sub_bin_heap->bitsize = BIT_OFFSET(bit_size);
+ sub_bin_heap->offs = BYTE_OFFSET(mb->offset);
+ sub_bin_heap->bitoffs = BIT_OFFSET(mb->offset);
+ sub_bin_heap->is_writable = 0;
+ sub_bin_heap->orig = mb->orig;
+
+ arg = make_binary(sub_bin_heap);
}
transformed_args[i] = arg;
}
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 7d5b1853e6..30b0a60611 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1894,6 +1894,8 @@ 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) \
@@ -1915,6 +1917,8 @@ 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) \
@@ -1940,6 +1944,8 @@ 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 */