| Kumar Gala | 33d71d2 | 2007-08-20 08:50:28 -0500 | [diff] [blame] | 1 | /* |
| 2 | * kgdb.h: Defines and declarations for serial line source level |
| 3 | * remote debugging of the Linux kernel using gdb. |
| 4 | * |
| 5 | * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu) |
| 6 | * |
| 7 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| 8 | */ |
| 9 | #ifdef __KERNEL__ |
| 10 | #ifndef _PPC_KGDB_H |
| 11 | #define _PPC_KGDB_H |
| 12 | |
| 13 | #ifndef __ASSEMBLY__ |
| 14 | |
| 15 | /* Things specific to the gen550 backend. */ |
| 16 | struct uart_port; |
| 17 | |
| 18 | extern void gen550_progress(char *, unsigned short); |
| 19 | extern void gen550_kgdb_map_scc(void); |
| 20 | extern void gen550_init(int, struct uart_port *); |
| 21 | |
| 22 | /* Things specific to the pmac backend. */ |
| 23 | extern void zs_kgdb_hook(int tty_num); |
| 24 | |
| 25 | /* To init the kgdb engine. (called by serial hook)*/ |
| 26 | extern void set_debug_traps(void); |
| 27 | |
| 28 | /* To enter the debugger explicitly. */ |
| 29 | extern void breakpoint(void); |
| 30 | |
| 31 | /* For taking exceptions |
| 32 | * these are defined in traps.c |
| 33 | */ |
| 34 | extern int (*debugger)(struct pt_regs *regs); |
| 35 | extern int (*debugger_bpt)(struct pt_regs *regs); |
| 36 | extern int (*debugger_sstep)(struct pt_regs *regs); |
| 37 | extern int (*debugger_iabr_match)(struct pt_regs *regs); |
| 38 | extern int (*debugger_dabr_match)(struct pt_regs *regs); |
| 39 | extern void (*debugger_fault_handler)(struct pt_regs *regs); |
| 40 | |
| 41 | /* What we bring to the party */ |
| 42 | int kgdb_bpt(struct pt_regs *regs); |
| 43 | int kgdb_sstep(struct pt_regs *regs); |
| 44 | void kgdb(struct pt_regs *regs); |
| 45 | int kgdb_iabr_match(struct pt_regs *regs); |
| 46 | int kgdb_dabr_match(struct pt_regs *regs); |
| 47 | |
| 48 | /* |
| 49 | * external low-level support routines (ie macserial.c) |
| 50 | */ |
| 51 | extern void kgdb_interruptible(int); /* control interrupts from serial */ |
| 52 | extern void putDebugChar(char); /* write a single character */ |
| 53 | extern char getDebugChar(void); /* read and return a single char */ |
| 54 | |
| 55 | #endif /* !(__ASSEMBLY__) */ |
| 56 | #endif /* !(_PPC_KGDB_H) */ |
| 57 | #endif /* __KERNEL__ */ |