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https://git.code.sf.net/p/fuse-emulator/fuse
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129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/* breakpoint.h: a debugger breakpoint
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Copyright (c) 2002-2004 Philip Kendall
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$Id$
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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Author contact information:
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E-mail: philip-fuse@shadowmagic.org.uk
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*/
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#ifndef FUSE_DEBUGGER_BREAKPOINT_H
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#define FUSE_DEBUGGER_BREAKPOINT_H
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/* Types of breakpoint */
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typedef enum debugger_breakpoint_type {
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DEBUGGER_BREAKPOINT_TYPE_EXECUTE,
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DEBUGGER_BREAKPOINT_TYPE_READ,
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DEBUGGER_BREAKPOINT_TYPE_WRITE,
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DEBUGGER_BREAKPOINT_TYPE_PORT_READ,
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DEBUGGER_BREAKPOINT_TYPE_PORT_WRITE,
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DEBUGGER_BREAKPOINT_TYPE_TIME,
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} debugger_breakpoint_type;
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extern const char *debugger_breakpoint_type_text[];
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extern const char debugger_breakpoint_type_abbr[][4];
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/* Lifetime of a breakpoint */
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typedef enum debugger_breakpoint_life {
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DEBUGGER_BREAKPOINT_LIFE_PERMANENT,
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DEBUGGER_BREAKPOINT_LIFE_ONESHOT,
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} debugger_breakpoint_life;
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extern const char *debugger_breakpoint_life_text[];
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extern const char debugger_breakpoint_life_abbr[][5];
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typedef struct debugger_breakpoint_address {
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int page;
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libspectrum_word offset;
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} debugger_breakpoint_address;
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/* Offsets used to encode various bank types in the above 'page' variable */
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typedef enum breakpoint_page_offset {
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BREAKPOINT_PAGE_RAM = 0,
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BREAKPOINT_PAGE_ROM = 32,
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BREAKPOINT_PAGE_DOCK = 40,
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BREAKPOINT_PAGE_EXROM = 48,
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BREAKPOINT_PAGE_ROMCS = 56,
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} breakpoint_page_offset;
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typedef struct debugger_breakpoint_port {
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libspectrum_word port;
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libspectrum_word mask;
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} debugger_breakpoint_port;
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typedef union debugger_breakpoint_value {
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debugger_breakpoint_address address;
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debugger_breakpoint_port port;
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libspectrum_dword tstates;
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} debugger_breakpoint_value;
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typedef struct debugger_expression debugger_expression;
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/* The breakpoint structure */
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typedef struct debugger_breakpoint {
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size_t id;
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debugger_breakpoint_type type;
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debugger_breakpoint_value value;
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size_t ignore; /* Ignore this breakpoint this many times */
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debugger_breakpoint_life life;
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debugger_expression *condition; /* Conditional expression to activate this
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breakpoint */
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} debugger_breakpoint;
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/* The current breakpoints */
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extern GSList *debugger_breakpoints;
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int debugger_check( debugger_breakpoint_type type, libspectrum_dword value );
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/* Add a new breakpoint */
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int
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debugger_breakpoint_add_address(
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debugger_breakpoint_type type, int page, libspectrum_word offset,
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size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
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);
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int
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debugger_breakpoint_add_port(
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debugger_breakpoint_type type, libspectrum_word port, libspectrum_word mask,
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size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
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);
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int
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debugger_breakpoint_add_time(
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debugger_breakpoint_type type, libspectrum_dword tstates,
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size_t ignore, debugger_breakpoint_life life, debugger_expression *condition
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);
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/* Add events corresponding to all the time breakpoints to happen
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during this frame */
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int debugger_add_time_events( void );
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char*
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debugger_breakpoint_decode_page( char *buffer, size_t n, int page );
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#endif /* #ifndef FUSE_DEBUGGER_BREAKPOINT_H */
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