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authorSverker Eriksson <[email protected]>2016-10-14 14:43:22 +0200
committerSverker Eriksson <[email protected]>2016-10-14 14:43:22 +0200
commit8bb80fe76f5b4debe981e42ba70260c5a12b250f (patch)
tree54994b20f2d65c04cee599f769e06abb33e289e5 /erts
parentdf9e09fc1f938f9902052dcb896b42558ee9779d (diff)
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erts: Cleanup hipe trampoline code
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/hipe/hipe_amd64.c4
-rw-r--r--erts/emulator/hipe/hipe_bif0.c70
-rw-r--r--erts/emulator/hipe/hipe_bif0.h8
-rw-r--r--erts/emulator/hipe/hipe_sparc.c4
-rw-r--r--erts/emulator/hipe/hipe_x86.c4
5 files changed, 18 insertions, 72 deletions
diff --git a/erts/emulator/hipe/hipe_amd64.c b/erts/emulator/hipe/hipe_amd64.c
index 3173afad0a..e3cff4a4ba 100644
--- a/erts/emulator/hipe/hipe_amd64.c
+++ b/erts/emulator/hipe/hipe_amd64.c
@@ -73,8 +73,8 @@ int hipe_patch_call(void *callAddress, void *destAddress, void *trampoline)
{
Sint rel32;
- if (trampoline)
- return -1;
+ ASSERT(trampoline == NULL);
+
rel32 = (Sint)destAddress - (Sint)callAddress - 4;
if ((Sint)(Sint32)rel32 != rel32)
return -1;
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c
index f9a657124a..0402a4de98 100644
--- a/erts/emulator/hipe/hipe_bif0.c
+++ b/erts/emulator/hipe/hipe_bif0.c
@@ -819,9 +819,6 @@ BIF_RETTYPE hipe_bifs_bif_address_3(BIF_ALIST_3)
struct primop {
HashBucket bucket; /* bucket.hvalue == atom_val(name) */
const void *address;
-#if defined(__arm__)
- void *trampoline;
-#endif
};
static struct primop primops[] = {
@@ -880,29 +877,6 @@ static struct primop *primop_table_get(Eterm name)
return hash_get(&primop_table, &tmpl);
}
-#if defined(__arm__)
-static struct primop *primop_table_put(Eterm name)
-{
- struct primop tmpl;
-
- init_primop_table();
- tmpl.bucket.hvalue = atom_val(name);
- return hash_put(&primop_table, &tmpl);
-}
-
-void *hipe_primop_get_trampoline(Eterm name)
-{
- struct primop *primop = primop_table_get(name);
- return primop ? primop->trampoline : NULL;
-}
-
-void hipe_primop_set_trampoline(Eterm name, void *trampoline)
-{
- struct primop *primop = primop_table_put(name);
- primop->trampoline = trampoline;
-}
-#endif
-
/*
* hipe_bifs_primop_address(Atom) -> address or false
*/
@@ -1062,9 +1036,6 @@ struct hipe_mfa_info {
void *new_address;
struct hipe_ref_head callers; /* sentinel in list of hipe_ref's */
struct hipe_mfa_info* next_in_mod;
-#if defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__) || defined(__arm__)
- void *trampoline;
-#endif
#ifdef DEBUG
Export* dbg_export;
#endif
@@ -1094,7 +1065,9 @@ static struct {
struct hipe_ref {
struct hipe_ref_head head; /* list of refs to same calleee */
void *address;
+#if defined(arm) || defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__)
void *trampoline;
+#endif
unsigned int flags;
struct hipe_ref* next_from_modi; /* list of refs from same module instance */
#if defined(DEBUG)
@@ -1181,9 +1154,6 @@ static struct hipe_mfa_info *hipe_mfa_info_table_alloc(Eterm m, Eterm f, unsigne
res->callers.next = &res->callers;
res->callers.prev = &res->callers;
res->next_in_mod = NULL;
-#if defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__) || defined(__arm__)
- res->trampoline = NULL;
-#endif
#ifdef DEBUG
res->dbg_export = NULL;
#endif
@@ -1294,30 +1264,6 @@ static void hipe_mfa_set_na(Eterm m, Eterm f, unsigned int arity, void *address)
hipe_mfa_info_table_rwunlock();
}
-#if defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__) || defined(__arm__)
-void *hipe_mfa_get_trampoline(Eterm m, Eterm f, unsigned int arity)
-{
- struct hipe_mfa_info *p;
- void *trampoline;
-
- hipe_mfa_info_table_rlock();
- p = hipe_mfa_info_table_get_locked(m, f, arity);
- trampoline = p ? p->trampoline : NULL;
- hipe_mfa_info_table_runlock();
- return trampoline;
-}
-
-void hipe_mfa_set_trampoline(Eterm m, Eterm f, unsigned int arity, void *trampoline)
-{
- struct hipe_mfa_info *p;
-
- hipe_mfa_info_table_rwlock();
- p = hipe_mfa_info_table_put_rwlocked(m, f, arity);
- p->trampoline = trampoline;
- hipe_mfa_info_table_rwunlock();
-}
-#endif
-
BIF_RETTYPE hipe_bifs_set_funinfo_native_address_3(BIF_ALIST_3)
{
struct hipe_mfa mfa;
@@ -1531,7 +1477,9 @@ BIF_RETTYPE hipe_bifs_add_ref_2(BIF_ALIST_2)
ref = erts_alloc(ERTS_ALC_T_HIPE, sizeof(struct hipe_ref));
ref->address = address;
+#if defined(arm) || defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__)
ref->trampoline = trampoline;
+#endif
ref->flags = flags;
/*
@@ -1815,8 +1763,14 @@ void hipe_redirect_to_module(Module* modp)
if (ref->flags & REF_FLAG_IS_LOAD_MFA)
res = hipe_patch_insn(ref->address, (Uint)p->remote_address, am_load_mfa);
- else
- res = hipe_patch_call(ref->address, p->remote_address, ref->trampoline);
+ else {
+#if defined(arm) || defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__)
+ void* trampoline = ref->trampoline;
+#else
+ void* trampoline = NULL;
+#endif
+ res = hipe_patch_call(ref->address, p->remote_address, trampoline);
+ }
if (res)
fprintf(stderr, "%s: patch failed", __FUNCTION__);
}
diff --git a/erts/emulator/hipe/hipe_bif0.h b/erts/emulator/hipe/hipe_bif0.h
index 2b7c01b975..02f0d6c823 100644
--- a/erts/emulator/hipe/hipe_bif0.h
+++ b/erts/emulator/hipe/hipe_bif0.h
@@ -32,14 +32,6 @@ extern void hipe_mfa_info_table_init(void);
extern void *hipe_get_remote_na(Eterm m, Eterm f, unsigned int a);
extern BIF_RETTYPE hipe_find_na_or_make_stub(BIF_ALIST_3);
extern int hipe_find_mfa_from_ra(const void *ra, Eterm *m, Eterm *f, unsigned int *a);
-#if defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__) || defined(__arm__)
-extern void *hipe_mfa_get_trampoline(Eterm m, Eterm f, unsigned int a);
-extern void hipe_mfa_set_trampoline(Eterm m, Eterm f, unsigned int a, void *trampoline);
-#endif
-#if defined(__arm__)
-extern void *hipe_primop_get_trampoline(Eterm name);
-extern void hipe_primop_set_trampoline(Eterm name, void *trampoline);
-#endif
/* needed in beam_load.c */
int hipe_need_blocking(Module*);
diff --git a/erts/emulator/hipe/hipe_sparc.c b/erts/emulator/hipe/hipe_sparc.c
index 75bfb4fef1..876b20bb15 100644
--- a/erts/emulator/hipe/hipe_sparc.c
+++ b/erts/emulator/hipe/hipe_sparc.c
@@ -87,8 +87,8 @@ int hipe_patch_call(void *callAddress, void *destAddress, void *trampoline)
{
Uint32 relDest, newI;
- if (trampoline)
- return -1;
+ ASSERT(trampoline == NULL);
+
relDest = (Uint32)((Sint32)destAddress - (Sint32)callAddress);
newI = (1 << 30) | (relDest >> 2);
*(Uint32*)callAddress = newI;
diff --git a/erts/emulator/hipe/hipe_x86.c b/erts/emulator/hipe/hipe_x86.c
index b091bee6fb..c7e24673ac 100644
--- a/erts/emulator/hipe/hipe_x86.c
+++ b/erts/emulator/hipe/hipe_x86.c
@@ -61,8 +61,8 @@ int hipe_patch_call(void *callAddress, void *destAddress, void *trampoline)
{
Uint rel32;
- if (trampoline)
- return -1;
+ ASSERT(trampoline == NULL);
+
rel32 = (Uint)destAddress - (Uint)callAddress - 4;
*(Uint32*)callAddress = rel32;
hipe_flush_icache_word(callAddress);