diff options
Diffstat (limited to 'erts/emulator/beam/beam_debug.c')
| -rw-r--r-- | erts/emulator/beam/beam_debug.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 8041c92162..a609ed8c71 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -84,6 +84,7 @@ erts_debug_breakpoint_2(BIF_ALIST_2) int i; int specified = 0; Eterm res; + BpFunctions f; if (bool != am_true && bool != am_false) goto error; @@ -114,18 +115,30 @@ erts_debug_breakpoint_2(BIF_ALIST_2) mfa[2] = signed_val(mfa[2]); } + if (!erts_try_seize_code_write_permission(BIF_P)) { + ERTS_BIF_YIELD2(bif_export[BIF_erts_debug_breakpoint_2], + BIF_P, BIF_ARG_1, BIF_ARG_2); + } erts_smp_proc_unlock(p, ERTS_PROC_LOCK_MAIN); erts_smp_thr_progress_block(); + erts_bp_match_functions(&f, mfa, specified); if (bool == am_true) { - res = make_small(erts_set_debug_break(mfa, specified)); + erts_set_debug_break(&f); + erts_install_breakpoints(&f); + erts_commit_staged_bp(); } else { - res = make_small(erts_clear_debug_break(mfa, specified)); + erts_clear_debug_break(&f); + erts_commit_staged_bp(); + erts_uninstall_breakpoints(&f); } + erts_consolidate_bp_data(&f, 1); + res = make_small(f.matched); + erts_bp_free_matched_functions(&f); erts_smp_thr_progress_unblock(); erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN); - + erts_release_code_write_permission(); return res; error: @@ -207,6 +220,7 @@ erts_debug_disassemble_1(BIF_ALIST_1) BIF_RET(am_false); } } else if (is_tuple(addr)) { + ErtsCodeIndex code_ix; Module* modp; Eterm mod; Eterm name; @@ -225,14 +239,14 @@ erts_debug_disassemble_1(BIF_ALIST_1) goto error; } arity = signed_val(tp[3]); - modp = erts_get_module(mod); + code_ix = erts_active_code_ix(); + modp = erts_get_module(mod, code_ix); /* * Try the export entry first to allow disassembly of special functions * such as erts_debug:apply/4. Then search for it in the module. */ - - if ((ep = erts_find_function(mod, name, arity)) != NULL) { + if ((ep = erts_find_function(mod, name, arity, code_ix)) != NULL) { /* XXX: add "&& ep->address != ep->code+3" condition? * Consider a traced function. * Its ep will have ep->address == ep->code+3. @@ -241,9 +255,9 @@ erts_debug_disassemble_1(BIF_ALIST_1) * But this code_ptr will point to the start of the Export, * not the function's func_info instruction. BOOM !? */ - code_ptr = ((BeamInstr *) ep->address) - 5; + code_ptr = ((BeamInstr *) ep->addressv[code_ix]) - 5; funcinfo = code_ptr+2; - } else if (modp == NULL || (code_base = modp->code) == NULL) { + } else if (modp == NULL || (code_base = modp->curr.code) == NULL) { BIF_RET(am_undef); } else { n = code_base[MI_NUM_FUNCTIONS]; |