Initial creation of sourceware repository
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Stan Shebs
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181
gdb/rdi-share/params.h
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181
gdb/rdi-share/params.h
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/*
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* Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
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*
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* This software may be freely used, copied, modified, and distributed
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* provided that the above copyright notice is preserved in all copies of the
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* software.
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*/
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/* -*-C-*-
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*
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* $Revision$
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* $Date$
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*
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*
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* Project: ANGEL
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*
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* Title: Parameter negotiation structures and utilities
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*/
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#ifndef angel_params_h
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#define angel_params_h
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#include "angel.h"
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#include "adp.h"
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#ifndef TARGET
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# include "host.h"
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#endif
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/* A single parameter, with tag */
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typedef struct Parameter {
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ADP_Parameter type;
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unsigned int value;
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} Parameter;
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/* A list of parameter values, with tag */
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typedef struct ParameterList {
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ADP_Parameter type;
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unsigned int num_options;
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unsigned int *option; /* points to array of values */
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} ParameterList;
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/* A configuration of one or more parameters */
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typedef struct ParameterConfig {
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unsigned int num_parameters;
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Parameter *param; /* pointer to array of Parameters */
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} ParameterConfig;
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/* A set of parameter options */
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typedef struct ParameterOptions {
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unsigned int num_param_lists;
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ParameterList *param_list; /* pointer to array of ParamLists */
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} ParameterOptions;
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/*
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* Function: Angel_MatchParams
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* Purpose: find a configuration from the requested options which is
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* the best match from the supported options.
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*
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* Params:
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* Input: requested The offered set of parameters.
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* supported The supported set of parameters.
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*
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* Returns: ptr to config A match has been made, ptr to result
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* will remain valid until next call to
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* this function.
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* NULL Match not possible
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*/
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const ParameterConfig *Angel_MatchParams( const ParameterOptions *requested,
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const ParameterOptions *supported );
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/*
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* Function: Angel_FindParam
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* Purpose: find the value of a given parameter from a config.
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*
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* Params:
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* Input: type parameter type to find
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* config config to search
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* Output: value parameter value if found
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*
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* Returns: TRUE parameter found
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* FALSE parameter not found
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*/
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bool Angel_FindParam( ADP_Parameter type,
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const ParameterConfig *config,
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unsigned int *value );
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/*
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* Function: Angel_StoreParam
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* Purpose: store the value of a given parameter in a config.
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*
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* Params:
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* In/Out: config config to store in
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* Input: type parameter type to store
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* value parameter value if found
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*
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* Returns: TRUE parameter found and new value stored
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* FALSE parameter not found
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*/
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bool Angel_StoreParam( ParameterConfig *config,
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ADP_Parameter type,
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unsigned int value );
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/*
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* Function: Angel_FindParamList
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* Purpose: find the parameter list of a given parameter from an options.
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*
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* Params:
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* Input: type parameter type to find
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* options options block to search
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*
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* Returns: pointer to list
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* NULL parameter not found
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*/
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ParameterList *Angel_FindParamList( const ParameterOptions *options,
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ADP_Parameter type );
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/*
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* Function: Angel_BuildParamConfigMessage
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* Purpose: write a parameter config to a buffer in ADP format.
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*
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* Params:
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* Input: buffer where to write to
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* config the parameter config to write
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*
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* Returns: number of characters written to buffer
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*/
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unsigned int Angel_BuildParamConfigMessage( unsigned char *buffer,
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const ParameterConfig *config );
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/*
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* Function: Angel_BuildParamOptionsMessage
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* Purpose: write a parameter Options to a buffer in ADP format.
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*
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* Params:
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* Input: buffer where to write to
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* options the options block to write
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*
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* Returns: number of characters written to buffer
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*/
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unsigned int Angel_BuildParamOptionsMessage( unsigned char *buffer,
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const ParameterOptions *options );
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/*
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* Function: Angel_ReadParamConfigMessage
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* Purpose: read a parameter config from a buffer where it is in ADP format.
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*
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* Params:
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* Input: buffer where to read from
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* In/Out: config the parameter config to read to, which must
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* be set up on entry with a valid array, and
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* the size of the array in num_parameters.
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*
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* Returns: TRUE okay
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* FALSE not enough space in config
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*/
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bool Angel_ReadParamConfigMessage( const unsigned char *buffer,
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ParameterConfig *config );
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/*
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* Function: Angel_ReadParamOptionsMessage
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* Purpose: read a parameter options from a buffer
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* where it is in ADP format.
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*
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* Params:
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* Input: buffer where to read from
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* In/Out: options the parameter options block to read to,
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* which must be set up on entry with a valid
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* array, and the size of the array in
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* num_parameters. Each param_list must
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* also be set up in the same way.
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*
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* Returns: TRUE okay
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* FALSE not enough space in options
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*/
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bool Angel_ReadParamOptionsMessage( const unsigned char *buffer,
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ParameterOptions *options );
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#endif /* ndef angel_params_h */
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/* EOF params.h */
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