diff options
Diffstat (limited to 'erts/emulator/beam/beam_load.h')
-rw-r--r-- | erts/emulator/beam/beam_load.h | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h index 9be5e14e40..156c3c45e2 100644 --- a/erts/emulator/beam/beam_load.h +++ b/erts/emulator/beam/beam_load.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2016. All Rights Reserved. + * Copyright Ericsson AB 1999-2017. 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. @@ -35,20 +35,7 @@ typedef struct gen_op_entry { int transform; } GenOpEntry; -extern GenOpEntry gen_opc[]; - -#ifdef NO_JUMP_TABLE -#define BeamOp(Op) (Op) -#else -extern void** beam_ops; -#define BeamOp(Op) beam_ops[(Op)] -#endif - - -extern BeamInstr beam_debug_apply[]; -extern BeamInstr* em_call_error_handler; -extern BeamInstr* em_apply_bif; -extern BeamInstr* em_call_nif; +extern const GenOpEntry gen_opc[]; struct ErtsLiteralArea_; @@ -115,12 +102,15 @@ typedef struct beam_code_header { * The actual loaded code (for the first function) start just beyond * this table. */ - BeamInstr* functions[1]; + ErtsCodeInfo* functions[1]; }BeamCodeHeader; +# define BEAM_NIF_MIN_FUNC_SZ 4 + void erts_release_literal_area(struct ErtsLiteralArea_* literal_area); int erts_is_module_native(BeamCodeHeader* code); +int erts_is_function_native(ErtsCodeInfo*); void erts_beam_bif_load_init(void); struct erl_fun_entry; void erts_purge_state_add_fun(struct erl_fun_entry *fe); @@ -152,4 +142,34 @@ struct BeamCodeLineTab_ { #define LOC_FILE(Loc) ((Loc) >> 24) #define LOC_LINE(Loc) ((Loc) & ((1 << 24)-1)) + +/* + * MFA event debug "tracing" usage: + * + * #define ENABLE_DBG_TRACE_MFA + * call dbg_set_traced_mfa("mymod","myfunc",arity) + * for the function(s) to trace, in some init function. + * + * Run and get stderr printouts when interesting things happen to your MFA. + */ +#ifdef ENABLE_DBG_TRACE_MFA + +void dbg_set_traced_mfa(const char* m, const char* f, Uint a); +int dbg_is_traced_mfa(Eterm m, Eterm f, Uint a); +void dbg_vtrace_mfa(unsigned ix, const char* format, ...); +#define DBG_TRACE_MFA(M,F,A,FMT, ...) do {\ + unsigned ix;\ + if ((ix=dbg_is_traced_mfa(M,F,A))) \ + dbg_vtrace_mfa(ix, FMT"\n", ##__VA_ARGS__);\ + }while(0) + +#define DBG_TRACE_MFA_P(MFA, FMT, ...) \ + DBG_TRACE_MFA((MFA)->module, (MFA)->function, (MFA)->arity, FMT, ##__VA_ARGS__) + +#else +# define dbg_set_traced_mfa(M,F,A) +# define DBG_TRACE_MFA(M,F,A,FMT, ...) +# define DBG_TRACE_MFA_P(MFA,FMT, ...) +#endif /* ENABLE_DBG_TRACE_MFA */ + #endif /* _BEAM_LOAD_H */ |