diff options
Diffstat (limited to 'erts/emulator/hipe/hipe_x86_gc.h')
-rw-r--r-- | erts/emulator/hipe/hipe_x86_gc.h | 69 |
1 files changed, 43 insertions, 26 deletions
diff --git a/erts/emulator/hipe/hipe_x86_gc.h b/erts/emulator/hipe/hipe_x86_gc.h index ac6b4f70bb..a703e24b8c 100644 --- a/erts/emulator/hipe/hipe_x86_gc.h +++ b/erts/emulator/hipe/hipe_x86_gc.h @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2004-2013. All Rights Reserved. + * Copyright Ericsson AB 2004-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -29,9 +30,9 @@ struct nstack_walk_state { #ifdef SKIP_YOUNGEST_FRAME - const struct sdesc *sdesc0; /* .sdesc0 must be a pointer rvalue */ + const struct hipe_sdesc *sdesc0; /* .sdesc0 must be a pointer rvalue */ #else - struct sdesc sdesc0[1]; /* .sdesc0 must be a pointer rvalue */ + struct hipe_sdesc sdesc0[1]; /* .sdesc0 must be a pointer rvalue */ #endif }; @@ -56,31 +57,47 @@ static inline Eterm *nstack_walk_nsp_begin(const Process *p) #endif } -static inline const struct sdesc* +static inline const struct hipe_sdesc* nstack_walk_init_sdesc(const Process *p, struct nstack_walk_state *state) { #ifdef SKIP_YOUNGEST_FRAME - const struct sdesc *sdesc = hipe_find_sdesc(p->hipe.nsp[0]); + const struct hipe_sdesc *sdesc = hipe_find_sdesc(p->hipe.nsp[0]); state->sdesc0 = sdesc; return sdesc; #else - unsigned int nstkarity = p->hipe.narity - NR_ARG_REGS; - if ((int)nstkarity < 0) - nstkarity = 0; - state->sdesc0[0].summary = (0 << 9) | (0 << 8) | nstkarity; + state->sdesc0[0].bucket.hvalue = 0; /* for nstack_any_cps_in_segment */ + state->sdesc0[0].fsize = 0; + state->sdesc0[0].has_exnra = 0; + state->sdesc0[0].stk_nargs = (p->hipe.narity < NR_ARG_REGS ? 0 : + p->hipe.narity - NR_ARG_REGS); state->sdesc0[0].livebits[0] = 0; -# ifdef DEBUG - state->sdesc0[0].dbg_M = 0; - state->sdesc0[0].dbg_F = am_undefined; - state->sdesc0[0].dbg_A = 0; -# endif + state->sdesc0[0].m_aix = 0; + state->sdesc0[0].f_aix = atom_val(am_undefined); + state->sdesc0[0].a = 0; /* XXX: this appears to prevent a gcc-4.1.1 bug on x86 */ __asm__ __volatile__("" : : "m"(*state) : "memory"); return &state->sdesc0[0]; #endif } -static inline void nstack_walk_update_trap(Process *p, const struct sdesc *sdesc0) +static inline const struct hipe_sdesc* +nstack_walk_init_sdesc_ignore_trap(const Process *p, + struct nstack_walk_state *state) +{ +#ifdef SKIP_YOUNGEST_FRAME + unsigned long ra = p->hipe.nsp[0]; + const struct hipe_sdesc *sdesc; + if (ra == (unsigned long)nbif_stack_trap_ra) + ra = (unsigned long)p->hipe.ngra; + sdesc = hipe_find_sdesc(ra); + state->sdesc0 = sdesc; + return sdesc; +#else + return nstack_walk_init_sdesc(p, state); +#endif +} + +static inline void nstack_walk_update_trap(Process *p, const struct hipe_sdesc *sdesc0) { #ifdef SKIP_YOUNGEST_FRAME Eterm *nsp = p->hipe.nsp; @@ -119,7 +136,7 @@ static inline int nstack_walk_nsp_reached_end(const Eterm *nsp, const Eterm *nsp return nsp >= nsp_end; } -static inline unsigned int nstack_walk_frame_size(const struct sdesc *sdesc) +static inline unsigned int nstack_walk_frame_size(const struct hipe_sdesc *sdesc) { return sdesc_fsize(sdesc) + 1 + sdesc_arity(sdesc); } @@ -130,7 +147,7 @@ static inline Eterm *nstack_walk_frame_index(Eterm *nsp, unsigned int i) } static inline unsigned long -nstack_walk_frame_ra(const Eterm *nsp, const struct sdesc *sdesc) +nstack_walk_frame_ra(const Eterm *nsp, const struct hipe_sdesc *sdesc) { return nsp[sdesc_fsize(sdesc)]; } |