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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1999-2011. 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/.
*
* 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.
*
* %CopyrightEnd%
*/
#ifndef _BEAM_LOAD_H
# define _BEAM_LOAD_H
#include "beam_opcodes.h"
#include "erl_process.h"
Eterm beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks,
Eterm module);
typedef struct gen_op_entry {
char* name;
int arity;
int specific;
int num_specific;
int transform;
int min_window;
} 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_traced_function;
typedef struct {
BeamInstr* start; /* Pointer to start of module. */
BeamInstr* end; /* Points one word beyond last function in module. */
} Range;
/*
* The following variables keep a sorted list of address ranges for
* each module. It allows us to quickly find a function given an
* instruction pointer.
*/
/* Total code size in bytes */
extern Uint erts_total_code_size;
/*
* Index into start of code chunks which contains additional information
* about the loaded module.
*
* First number of functions.
*/
#define MI_NUM_FUNCTIONS 0
/*
* The attributes retrieved by Mod:module_info(attributes).
*/
#define MI_ATTR_PTR 1
#define MI_ATTR_SIZE 2
#define MI_ATTR_SIZE_ON_HEAP 3
/*
* The compilation information retrieved by Mod:module_info(compile).
*/
#define MI_COMPILE_PTR 4
#define MI_COMPILE_SIZE 5
#define MI_COMPILE_SIZE_ON_HEAP 6
/*
* Number of breakpoints in module is stored in this word
*/
#define MI_NUM_BREAKPOINTS 7
/*
* Literal area (constant pool).
*/
#define MI_LITERALS_START 8
#define MI_LITERALS_END 9
#define MI_LITERALS_OFF_HEAP 10
/*
* Pointer to the on_load function (or NULL if none).
*/
#define MI_ON_LOAD_FUNCTION_PTR 11
/*
* Pointer to the line table (or NULL if none).
*/
#define MI_LINE_TABLE 12
/*
* Start of function pointer table. This table contains pointers to
* all functions in the module plus an additional pointer just beyond
* the end of the last function.
*
* The actual loaded code (for the first function) start just beyond
* this table.
*/
#define MI_FUNCTIONS 13
/*
* Layout of the line table.
*/
#define MI_LINE_FNAME_PTR 0
#define MI_LINE_LOC_TAB 1
#define MI_LINE_LOC_SIZE 2
#define MI_LINE_FUNC_TAB 3
#define LINE_INVALID_LOCATION (0)
/*
* Macros for manipulating locations.
*/
#define IS_VALID_LOCATION(File, Line) \
((unsigned) (File) < 255 && (unsigned) (Line) < ((1 << 24) - 1))
#define MAKE_LOCATION(File, Line) (((File) << 24) | (Line))
#define LOC_FILE(Loc) ((Loc) >> 24)
#define LOC_LINE(Loc) ((Loc) & ((1 << 24)-1))
#endif /* _BEAM_LOAD_H */
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