| /* |
| * kgdb.h: Defines and declarations for serial line source level |
| * remote debugging of the Linux kernel using gdb. |
| * |
| * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu) |
| * |
| * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| */ |
| #ifdef __KERNEL__ |
| #ifndef _PPC_KGDB_H |
| #define _PPC_KGDB_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| /* Things specific to the gen550 backend. */ |
| struct uart_port; |
| |
| extern void gen550_progress(char *, unsigned short); |
| extern void gen550_kgdb_map_scc(void); |
| extern void gen550_init(int, struct uart_port *); |
| |
| /* Things specific to the pmac backend. */ |
| extern void zs_kgdb_hook(int tty_num); |
| |
| /* To init the kgdb engine. (called by serial hook)*/ |
| extern void set_debug_traps(void); |
| |
| /* To enter the debugger explicitly. */ |
| extern void breakpoint(void); |
| |
| /* For taking exceptions |
| * these are defined in traps.c |
| */ |
| extern int (*debugger)(struct pt_regs *regs); |
| extern int (*debugger_bpt)(struct pt_regs *regs); |
| extern int (*debugger_sstep)(struct pt_regs *regs); |
| extern int (*debugger_iabr_match)(struct pt_regs *regs); |
| extern int (*debugger_dabr_match)(struct pt_regs *regs); |
| extern void (*debugger_fault_handler)(struct pt_regs *regs); |
| |
| /* What we bring to the party */ |
| int kgdb_bpt(struct pt_regs *regs); |
| int kgdb_sstep(struct pt_regs *regs); |
| void kgdb(struct pt_regs *regs); |
| int kgdb_iabr_match(struct pt_regs *regs); |
| int kgdb_dabr_match(struct pt_regs *regs); |
| |
| /* |
| * external low-level support routines (ie macserial.c) |
| */ |
| extern void kgdb_interruptible(int); /* control interrupts from serial */ |
| extern void putDebugChar(char); /* write a single character */ |
| extern char getDebugChar(void); /* read and return a single char */ |
| |
| #endif /* !(__ASSEMBLY__) */ |
| #endif /* !(_PPC_KGDB_H) */ |
| #endif /* __KERNEL__ */ |