kernel_optimize_test/arch/sh/include/asm/kgdb.h
Paul Mundt ab6e570ba3 sh: Generic kgdb stub support.
This migrates from the old bitrotted kgdb stub implementation and moves
to the generic stub. In the process support for SH-2/SH-2A is also added,
which the old stub never provided.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-12-22 18:44:04 +09:00

42 lines
963 B
C

#ifndef __ASM_SH_KGDB_H
#define __ASM_SH_KGDB_H
#include <asm/cacheflush.h>
#include <asm/ptrace.h>
/* 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;
};
enum regnames {
GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
};
#define NUMREGBYTES ((GDB_VBR + 1) * 4)
static inline void arch_kgdb_breakpoint(void)
{
__asm__ __volatile__ ("trapa #0x3c\n");
}
/* State info */
extern char in_nmi; /* Debounce flag to prevent NMI reentry*/
#define BUFMAX 2048
#define CACHE_FLUSH_IS_SAFE 1
#define BREAK_INSTR_SIZE 2
#endif /* __ASM_SH_KGDB_H */