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authorBjörn Gustavsson <[email protected]>2014-02-28 06:08:51 +0100
committerBjörn Gustavsson <[email protected]>2014-02-28 06:52:14 +0100
commit81c7db0e247a6ee1b7a5c2764aa9575d7f6fb88a (patch)
treec3f4b689e11f4d55bbad470b0cf4bc5798fb3ec0 /erts
parenta74e66a68f3b4ed590f928b4fd4f0808c6287a32 (diff)
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hipe: Break apart hipe_bif:make_fe/3 into two BIFs
This commit is a preparation for eliminating a race condition loading the native code for modules whose BEAM code has already been loaded. Here we introduce two new BIFs so that looking up a fun entry is separate from setting the native address in the fun entry.
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/hipe/hipe_bif0.c39
-rw-r--r--erts/emulator/hipe/hipe_bif0.tab3
2 files changed, 28 insertions, 14 deletions
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c
index fa99c817f0..2497d51df1 100644
--- a/erts/emulator/hipe/hipe_bif0.c
+++ b/erts/emulator/hipe/hipe_bif0.c
@@ -1101,9 +1101,9 @@ BIF_RETTYPE hipe_bifs_make_fun_3(BIF_ALIST_3)
#endif
/*
- * args: Nativecodeaddress, Module, {Uniq, Index, BeamAddress}
+ * args: Module, {Uniq, Index, BeamAddress}
*/
-BIF_RETTYPE hipe_bifs_make_fe_3(BIF_ALIST_3)
+BIF_RETTYPE hipe_bifs_get_fe_2(BIF_ALIST_2)
{
Eterm mod;
Uint index;
@@ -1111,20 +1111,15 @@ BIF_RETTYPE hipe_bifs_make_fe_3(BIF_ALIST_3)
void *beam_address;
ErlFunEntry *fe;
Eterm *tp;
- void *native_address;
-
- native_address = term_to_address(BIF_ARG_1);
- if (!native_address)
- BIF_ERROR(BIF_P, BADARG);
- if (is_not_atom(BIF_ARG_2))
+ if (is_not_atom(BIF_ARG_1))
BIF_ERROR(BIF_P, BADARG);
- mod = BIF_ARG_2;
+ mod = BIF_ARG_1;
- if (is_not_tuple(BIF_ARG_3) ||
- (arityval(*tuple_val(BIF_ARG_3)) != 3))
+ if (is_not_tuple(BIF_ARG_2) ||
+ (arityval(*tuple_val(BIF_ARG_2)) != 3))
BIF_ERROR(BIF_P, BADARG);
- tp = tuple_val(BIF_ARG_3);
+ tp = tuple_val(BIF_ARG_2);
if (term_to_Uint(tp[1], &uniq) == 0)
BIF_ERROR(BIF_P, BADARG);
if (term_to_Uint(tp[2], &index) == 0)
@@ -1144,10 +1139,28 @@ BIF_RETTYPE hipe_bifs_make_fe_3(BIF_ALIST_3)
printf("no fun entry for %s %ld:%ld\n", atom_buf, uniq, index);
BIF_ERROR(BIF_P, BADARG);
}
+ BIF_RET(address_to_term((void *)fe, BIF_P));
+}
+
+/*
+ * args: FE, Nativecodeaddress
+ */
+BIF_RETTYPE hipe_bifs_set_native_address_in_fe_2(BIF_ALIST_2)
+{
+ ErlFunEntry *fe;
+ void *native_address;
+
+ fe = (ErlFunEntry *)term_to_address(BIF_ARG_1);
+ if (!fe)
+ BIF_ERROR(BIF_P, BADARG);
+ native_address = term_to_address(BIF_ARG_2);
+ if (!native_address)
+ BIF_ERROR(BIF_P, BADARG);
+
fe->native_address = native_address;
if (erts_refc_dectest(&fe->refc, 0) == 0)
erts_erase_fun_entry(fe);
- BIF_RET(address_to_term((void *)fe, BIF_P));
+ BIF_RET(am_true);
}
#if 0 /* XXX: unused */
diff --git a/erts/emulator/hipe/hipe_bif0.tab b/erts/emulator/hipe/hipe_bif0.tab
index ce641365e9..2514b1c3a5 100644
--- a/erts/emulator/hipe/hipe_bif0.tab
+++ b/erts/emulator/hipe/hipe_bif0.tab
@@ -69,7 +69,8 @@ bif hipe_bifs:atom_to_word/1
bif hipe_bifs:term_to_word/1
#bif hipe_bifs:make_fun/3
-bif hipe_bifs:make_fe/3
+bif hipe_bifs:get_fe/2
+bif hipe_bifs:set_native_address_in_fe/2
#bif hipe_bifs:make_native_stub/2
bif hipe_bifs:find_na_or_make_stub/2