aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/hipe/hipe_gc.c
diff options
context:
space:
mode:
authorSverker Eriksson <[email protected]>2016-10-26 17:37:35 +0200
committerSverker Eriksson <[email protected]>2016-10-26 17:37:35 +0200
commit42b9881d075344344a8c78026e282b40fa707a0c (patch)
treed9755627cee82a99eff6755c8f092ed45dd7a71e /erts/emulator/hipe/hipe_gc.c
parent6408400fc1ca9609169f6a0450f1c4671aced91c (diff)
parent1302b09c4aa0f944bdc0e3beeebb2cf84cc06c89 (diff)
downloadotp-42b9881d075344344a8c78026e282b40fa707a0c.tar.gz
otp-42b9881d075344344a8c78026e282b40fa707a0c.tar.bz2
otp-42b9881d075344344a8c78026e282b40fa707a0c.zip
Merge branch 'master' into sverker/hipe-fun-purge
Diffstat (limited to 'erts/emulator/hipe/hipe_gc.c')
-rw-r--r--erts/emulator/hipe/hipe_gc.c41
1 files changed, 37 insertions, 4 deletions
diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c
index 68c65dea27..e6ce7ce628 100644
--- a/erts/emulator/hipe/hipe_gc.c
+++ b/erts/emulator/hipe/hipe_gc.c
@@ -38,7 +38,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop)
/* known nstack walk state */
Eterm *nsp;
Eterm *nsp_end;
- const struct sdesc *sdesc;
+ const struct hipe_sdesc *sdesc;
unsigned int sdesc_size;
unsigned long ra;
unsigned int i;
@@ -123,7 +123,7 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop)
/* known nstack walk state */
Eterm *nsp;
Eterm *nsp_end;
- const struct sdesc *sdesc;
+ const struct hipe_sdesc *sdesc;
unsigned int sdesc_size;
unsigned long ra;
unsigned int i;
@@ -244,7 +244,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area,
/* known nstack walk state */
Eterm *nsp;
Eterm *nsp_end;
- const struct sdesc *sdesc;
+ const struct hipe_sdesc *sdesc;
/* arch-specific nstack walk state */
struct nstack_walk_state walk_state;
@@ -311,7 +311,7 @@ nstack_any_heap_ref_ptrs(Process *rp, char* mod_start, Uint mod_size)
{
Eterm *nsp;
Eterm *nsp_end;
- const struct sdesc *sdesc;
+ const struct hipe_sdesc *sdesc;
/* arch-specific nstack walk state */
struct nstack_walk_state walk_state;
@@ -356,3 +356,36 @@ nstack_any_heap_ref_ptrs(Process *rp, char* mod_start, Uint mod_size)
}
return 0;
}
+
+int
+nstack_any_cps_in_segment(Process *p, char* seg_start, Uint seg_size)
+{
+ Eterm *nsp;
+ Eterm *nsp_end;
+ const struct hipe_sdesc *sdesc;
+ /* arch-specific nstack walk state */
+ struct nstack_walk_state walk_state;
+
+ if (!p->hipe.nstack || !nstack_walk_init_check(p))
+ return 0;
+ ASSERT(p->hipe.nsp && p->hipe.nstend);
+ nsp = nstack_walk_nsp_begin(p);
+ nsp_end = nstack_walk_nsp_end(p);
+ sdesc = nstack_walk_init_sdesc_ignore_trap(p, &walk_state);
+
+ /* Check the topmost frame */
+ if (ErtsInArea(sdesc->bucket.hvalue, seg_start, seg_size))
+ return 1;
+
+ while (!nstack_walk_nsp_reached_end(nsp, nsp_end)) {
+ unsigned sdesc_size = nstack_walk_frame_size(sdesc);
+ unsigned long ra = nstack_walk_frame_ra(nsp, sdesc);
+ if (ra == (unsigned long)nbif_stack_trap_ra)
+ ra = (unsigned long)p->hipe.ngra;
+ if (ErtsInArea(ra, seg_start, seg_size))
+ return 1;
+ sdesc = hipe_find_sdesc(ra);
+ nsp = nstack_walk_next_frame(nsp, sdesc_size);
+ }
+ return 0;
+}