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authorSverker Eriksson <sverker@erlang.org>2016-10-28 15:52:43 +0200
committerSverker Eriksson <sverker@erlang.org>2016-10-28 15:52:43 +0200
commite084d3d77eb15f58b2152e45ef84c27e7cf88403 (patch)
tree36ec95d7357cff6ba9d1f629d9d34db3318be5fb /erts/emulator/hipe
parente6059f94571a6c968c15b9de6b7d63ebd64f9acf (diff)
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erts: Exclude random beam functions from hipe stacktrace
Diffstat (limited to 'erts/emulator/hipe')
-rw-r--r--erts/emulator/hipe/hipe_bif0.c4
-rw-r--r--erts/emulator/hipe/hipe_mode_switch.h6
2 files changed, 10 insertions, 0 deletions
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c
index 3336fded7a..dcb6c35bfa 100644
--- a/erts/emulator/hipe/hipe_bif0.c
+++ b/erts/emulator/hipe/hipe_bif0.c
@@ -1476,6 +1476,10 @@ int hipe_find_mfa_from_ra(const void *ra, Eterm *m, Eterm *f, unsigned int *a)
struct hipe_mfa_info **bucket;
unsigned int i, nrbuckets;
+ if (hipe_is_ra_mode_switch(ra)) {
+ return 0;
+ }
+
/* Note about locking: the table is only updated from the
loader, which runs with the rest of the system suspended. */
/* XXX: alas not true; see comment at hipe_mfa_info_table.lock */
diff --git a/erts/emulator/hipe/hipe_mode_switch.h b/erts/emulator/hipe/hipe_mode_switch.h
index c40077d558..e54b81cf78 100644
--- a/erts/emulator/hipe/hipe_mode_switch.h
+++ b/erts/emulator/hipe/hipe_mode_switch.h
@@ -64,6 +64,7 @@ Eterm hipe_build_stacktrace(Process *p, struct StackTrace *s);
ERTS_GLB_INLINE void hipe_reserve_beam_trap_frame(Process*, Eterm reg[], unsigned arity);
ERTS_GLB_INLINE void hipe_unreserve_beam_trap_frame(Process*);
+ERTS_GLB_INLINE int hipe_is_ra_mode_switch(const void* ra);
extern Uint hipe_beam_pc_return[];
extern Uint hipe_beam_pc_throw[];
@@ -112,6 +113,11 @@ ERTS_GLB_INLINE void hipe_unreserve_beam_trap_frame(Process *p)
p->stop += 2;
}
+ERTS_GLB_INLINE int hipe_is_ra_mode_switch(const void* ra)
+{
+ return ra == nbif_return;
+}
+
#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */
#endif /* ASM */