60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
#ifndef CALLBACK_H
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#define CALLBACK_H
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typedef struct host_callback_struct host_callback;
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#define MAX_CALLBACK_FDS 10
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struct host_callback_struct
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{
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int (*close) PARAMS ((host_callback *,int));
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int (*get_errno) PARAMS ((host_callback *));
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int (*isatty) PARAMS ((host_callback *, int));
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int (*lseek) PARAMS ((host_callback *, int, long , int));
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int (*open) PARAMS ((host_callback *, const char*, int mode));
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int (*read) PARAMS ((host_callback *,int, char *, int));
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int (*read_stdin) PARAMS (( host_callback *, char *, int));
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int (*rename) PARAMS ((host_callback *, const char *, const char *));
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int (*system) PARAMS ((host_callback *, const char *));
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long (*time) PARAMS ((host_callback *, long *));
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int (*unlink) PARAMS ((host_callback *, const char *));
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int (*write) PARAMS ((host_callback *,int, const char *, int));
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int (*write_stdout) PARAMS ((host_callback *, const char *, int));
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/* Used when the target has gone away, so we can close open
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handles and free memory etc etc. */
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int (*shutdown) PARAMS ((host_callback *));
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int (*init) PARAMS ((host_callback *));
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/* Talk to the user on a console. */
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void (*printf_filtered) PARAMS ((host_callback *, const char *, ...));
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/* Print an error message and "exit".
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In the case of gdb "exiting" means doing a longjmp back to the main
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command loop. */
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void (*error) PARAMS ((host_callback *, const char *, ...));
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int last_errno; /* host format */
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int fdmap[MAX_CALLBACK_FDS];
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char fdopen[MAX_CALLBACK_FDS];
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char alwaysopen[MAX_CALLBACK_FDS];
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};
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extern host_callback default_callback;
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/* Mapping of host/target values. */
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/* ??? For debugging purposes, one might want to add a string of the
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name of the symbol. */
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typedef struct {
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int host_val;
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int target_val;
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} target_defs_map;
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extern target_defs_map errno_map[];
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extern target_defs_map open_map[];
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extern int host_to_target_errno PARAMS ((int));
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extern int target_to_host_open PARAMS ((int));
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#endif
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