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Diffstat (limited to 'include/asm-sh/kgdb.h')
| -rw-r--r-- | include/asm-sh/kgdb.h | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/include/asm-sh/kgdb.h b/include/asm-sh/kgdb.h deleted file mode 100644 index 1653ffb75fb..00000000000 --- a/include/asm-sh/kgdb.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Based on original code by Glenn Engel, Jim Kingdon, - * David Grothe <dave@gcom.com>, Tigran Aivazian, <tigran@sco.com> and - * Amit S. Kale <akale@veritas.com> - * - * Super-H port based on sh-stub.c (Ben Lee and Steve Chamberlain) by - * Henry Bell <henry.bell@st.com> - * - * Header file for low-level support for remote debug using GDB. - * - */ - -#ifndef __KGDB_H -#define __KGDB_H - -#include <asm/ptrace.h> - -struct console; - -/* Same as pt_regs but has vbr in place of syscall_nr */ -struct kgdb_regs { - unsigned long regs[16]; - unsigned long pc; - unsigned long pr; - unsigned long sr; - unsigned long gbr; - unsigned long mach; - unsigned long macl; - unsigned long vbr; -}; - -/* State info */ -extern char kgdb_in_gdb_mode; -extern int kgdb_done_init; -extern int kgdb_enabled; -extern int kgdb_nofault; /* Ignore bus errors (in gdb mem access) */ -extern int kgdb_halt; /* Execute initial breakpoint at startup */ -extern char in_nmi; /* Debounce flag to prevent NMI reentry*/ - -/* SCI */ -extern int kgdb_portnum; -extern int kgdb_baud; -extern char kgdb_parity; -extern char kgdb_bits; -extern int kgdb_console_setup(struct console *, char *); - -/* Init and interface stuff */ -extern int kgdb_init(void); -extern int (*kgdb_serial_setup)(void); -extern int (*kgdb_getchar)(void); -extern void (*kgdb_putchar)(int); - -struct kgdb_sermap { - char *name; - int namelen; - int (*setup_fn)(struct console *, char *); - struct kgdb_sermap *next; -}; -extern void kgdb_register_sermap(struct kgdb_sermap *map); -extern struct kgdb_sermap *kgdb_porttype; - -/* Trap functions */ -typedef void (kgdb_debug_hook_t)(struct pt_regs *regs); -typedef void (kgdb_bus_error_hook_t)(void); -extern kgdb_debug_hook_t *kgdb_debug_hook; -extern kgdb_bus_error_hook_t *kgdb_bus_err_hook; - -extern void breakpoint(void); - -/* Console */ -struct console; -void kgdb_console_write(struct console *co, const char *s, unsigned count); -void kgdb_console_init(void); - -/* Prototypes for jmp fns */ -#define _JBLEN 9 -typedef int jmp_buf[_JBLEN]; -extern void longjmp(jmp_buf __jmpb, int __retval); -extern int setjmp(jmp_buf __jmpb); - -/* Variadic macro to print our own message to the console */ -#define KGDB_PRINTK(...) printk("KGDB: " __VA_ARGS__) - -/* Forced breakpoint */ -#define BREAKPOINT() do { \ - if (kgdb_enabled) { \ - asm volatile("trapa #0xff"); \ - } \ -} while (0) - -/* KGDB should be able to flush all kernel text space */ -#if defined(CONFIG_CPU_SH4) -#define kgdb_flush_icache_range(start, end) \ -{ \ - extern void __flush_purge_region(void *, int); \ - __flush_purge_region((void*)(start), (int)(end) - (int)(start));\ - flush_icache_range((start), (end)); \ -} -#else -#define kgdb_flush_icache_range(start, end) do { } while (0) -#endif - -/* Kernel assert macros */ -#ifdef CONFIG_KGDB_KERNEL_ASSERTS - -/* Predefined conditions */ -#define KA_VALID_ERRNO(errno) ((errno) > 0 && (errno) <= EMEDIUMTYPE) -#define KA_VALID_PTR_ERR(ptr) KA_VALID_ERRNO(-PTR_ERR(ptr)) -#define KA_VALID_KPTR(ptr) (!(ptr) || \ - ((void *)(ptr) >= (void *)PAGE_OFFSET && \ - (void *)(ptr) < ERR_PTR(-EMEDIUMTYPE))) -#define KA_VALID_PTRORERR(errptr) \ - (KA_VALID_KPTR(errptr) || KA_VALID_PTR_ERR(errptr)) -#define KA_HELD_GKL() (current->lock_depth >= 0) - -/* The actual assert */ -#define KGDB_ASSERT(condition, message) do { \ - if (!(condition) && (kgdb_enabled)) { \ - KGDB_PRINTK("Assertion failed at %s:%d: %s\n", \ - __FILE__, __LINE__, message);\ - BREAKPOINT(); \ - } \ -} while (0) -#else -#define KGDB_ASSERT(condition, message) -#endif - -#endif |