63ab25ebbc
The Blackfin arch, like the x86 arch, needs to adjust the PC manually after a breakpoint is hit as normally this is handled by the remote gdb. However, rather than starting another arch ifdef mess, create a common GDB_ADJUSTS_BREAK_OFFSET define for any arch to opt-in via their kgdb.h. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Dongdong Deng <dongdong.deng@windriver.com> Cc: Sergei Shtylyov <sshtylyov@mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
39 lines
915 B
C
39 lines
915 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");
|
|
}
|
|
|
|
#define BUFMAX 2048
|
|
|
|
#define CACHE_FLUSH_IS_SAFE 1
|
|
#define BREAK_INSTR_SIZE 2
|
|
#define GDB_ADJUSTS_BREAK_OFFSET
|
|
|
|
#endif /* __ASM_SH_KGDB_H */
|