diff options
Diffstat (limited to 'erts/emulator/beam/beam_debug.c')
-rw-r--r-- | erts/emulator/beam/beam_debug.c | 67 |
1 files changed, 60 insertions, 7 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 8326d348af..a2060c80de 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1998-2016. All Rights Reserved. + * Copyright Ericsson AB 1998-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -308,7 +308,7 @@ erts_debug_disassemble_1(BIF_ALIST_1) BIF_RET(am_undef); } } - code_ptr = erts_codemfa_to_code(cmfa); + code_ptr = (BeamInstr*)erts_code_to_codeinfo(erts_codemfa_to_code(cmfa)); } else { goto error; } @@ -853,15 +853,23 @@ dirty_test(Process *c_p, Eterm type, Eterm arg1, Eterm arg2, UWord *I) goto badarg; esdp = erts_proc_sched_data(c_p); if (!esdp) - ERTS_BIF_PREP_RET(ret, am_error); - else if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) + goto scheduler_type_error; + + switch (esdp->type) { + case ERTS_SCHED_NORMAL: ERTS_BIF_PREP_RET(ret, am_normal); - else if (ERTS_SCHEDULER_IS_DIRTY_CPU(esdp)) + break; + case ERTS_SCHED_DIRTY_CPU: ERTS_BIF_PREP_RET(ret, am_dirty_cpu); - else if (ERTS_SCHEDULER_IS_DIRTY_IO(esdp)) + break; + case ERTS_SCHED_DIRTY_IO: ERTS_BIF_PREP_RET(ret, am_dirty_io); - else + break; + default: + scheduler_type_error: ERTS_BIF_PREP_RET(ret, am_error); + break; + } } else if (am_error == arg1) { switch (arg2) { @@ -1118,3 +1126,48 @@ ms_wait(Process *c_p, Eterm etimeout, int busy) } #endif /* ERTS_DIRTY_SCHEDULERS */ + +#ifdef ERTS_SMP +# define ERTS_STACK_LIMIT ((char *) ethr_get_stacklimit()) +#else +# define ERTS_STACK_LIMIT ((char *) erts_scheduler_stack_limit) +#endif + +/* + * The below functions is for testing of the stack + * limit functionality. They are intentionally + * written body recursive in order to prevent + * last call optimization... + */ + +UWord +erts_check_stack_recursion_downwards(char *start_c) +{ + char *limit = ERTS_STACK_LIMIT; + char c; + UWord res; + if (erts_check_below_limit(&c, limit + 1024)) + return (char *) erts_ptr_id(start_c) - (char *) erts_ptr_id(&c); + res = erts_check_stack_recursion_downwards(start_c); + erts_ptr_id(&c); + return res; +} + +UWord +erts_check_stack_recursion_upwards(char *start_c) +{ + char *limit = ERTS_STACK_LIMIT; + char c; + UWord res; + if (erts_check_above_limit(&c, limit - 1024)) + return (char *) erts_ptr_id(&c) - (char *) erts_ptr_id(start_c); + res = erts_check_stack_recursion_upwards(start_c); + erts_ptr_id(&c); + return res; +} + +int +erts_is_above_stack_limit(char *ptr) +{ + return (char *) ptr > ERTS_STACK_LIMIT; +} |