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/*
Copyright (C) 2006 Silicon Graphics, Inc. All Rights Reserved.
Portions Copyright 2011 David Anderson. All Rights Reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of version 2 of the GNU General
Public License as published by the Free Software Foundation.
This program is distributed in the hope that it would be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
Further, this software is distributed without any warranty
that it is free of the rightful claim of any third person
regarding infringement or the like. Any license provided
herein, whether implied or otherwise, applies only to this
software file. Patent licenses, if any, provided herein
do not apply to combinations of this program with other
software, or any other product whatsoever.
You should have received a copy of the GNU General Public
License along with this program; if not, write the Free
Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston MA 02110-1301, USA.
*/
#ifndef DWCONFIG_H
#define DWCONFIG_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define FOUND_ABI_START 1
#define FOUND_OPTION 2
#define FOUND_ERROR 3
#define FOUND_DONE 4
/* Declarations helping configure the frame reader.
We are not allowing negative register numbers.
Which could be allowed if necessary with a little work. */
struct dwconf_s {
char *cf_config_file_path;
char *cf_abi_name;
/* 2 for old, 3 for frame interface 3. 2 means use the old
mips-abi-oriented frame interface. 3 means use the new
DWARF3-capable and configureable-abi interface.
Now, anyone who revises dwarf.h and libdwarf.h to match their
abi-of-interest will still be able to use
cf_interface_number 2
as before. But most folks don't update those header
files and
instead of making *them* configurable we make dwarfdump (and
libdwarf) configurable sufficiently to print
frame information
sensibly. */
int cf_interface_number;
/* The number of table rules , aka columns.
For MIPS/IRIX is 66. */
unsigned long cf_table_entry_count;
/* Array of cf_table_entry_count reg names. Names not filled in
from dwarfdump.conf have NULL (0) pointer value.
cf_named_regs_table_size must match size of cf_regs array.
Set cf_regs_malloced 1 if table was malloced. Set 0
if static.
*/
char **cf_regs;
unsigned long cf_named_regs_table_size;
unsigned cf_regs_malloced;
/* The 'default initial value' when intializing a table. for MIPS
is DW_FRAME_SAME_VAL(1035). For other ISA/ABIs may be
DW_FRAME_UNDEFINED_VAL(1034). */
unsigned cf_initial_rule_value;
unsigned cf_same_val;
unsigned cf_undefined_val;
/* The number of the cfa 'register'. For cf_interface_number 2 of
MIPS this is 0. For other architectures (and anytime using
cf_interface_number 3) this should be outside the table, a
special value such as 1436, not a table column at all). */
unsigned cf_cfa_reg;
/* If non-zero it is the number of bytes in an address
for the frame data. Normally it will be zero because
there are usually other sources for the correct address size.
However, with DWARF2 frame data there is no explicit address
size in the frame data and the object file might not have
other .debug_ sections to work with.
If zero, no address size was supplied, and that is normal and
the already-set (or defaulted) address size is to be used.
Only an exceptional frame configure will specify address
size here. This won't work at all if the object needing
this setting has different address size in different CUs. */
unsigned cf_address_size;
};
/* Returns DW_DLV_OK if works.
Returns DW_DLV_ERROR if cannot do what is asked. */
int find_conf_file_and_read_config(const char *named_file,
const char *named_abi, char **defaults,
struct dwconf_s *conf_out);
void init_conf_file_data(struct dwconf_s *config_file_data);
void init_mips_conf_file_data(struct dwconf_s *config_file_data);
void print_reg_from_config_data(Dwarf_Unsigned reg,
struct dwconf_s *config_data);
void free_all_dwconf(struct dwconf_s *config_data);
void init_generic_config_1200_regs(struct dwconf_s *conf);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* DWCONFIG_H */
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