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>
40 lines
915 B
C
40 lines
915 B
C
#ifndef __ASM_SH_KGDB_H
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#define __ASM_SH_KGDB_H
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#include <asm/cacheflush.h>
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#include <asm/ptrace.h>
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/* Same as pt_regs but has vbr in place of syscall_nr */
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struct kgdb_regs {
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unsigned long regs[16];
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unsigned long pc;
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unsigned long pr;
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unsigned long sr;
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unsigned long gbr;
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unsigned long mach;
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unsigned long macl;
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unsigned long vbr;
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};
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enum regnames {
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GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
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GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
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GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
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};
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#define NUMREGBYTES ((GDB_VBR + 1) * 4)
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static inline void arch_kgdb_breakpoint(void)
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{
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__asm__ __volatile__ ("trapa #0x3c\n");
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}
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#define BUFMAX 2048
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#define CACHE_FLUSH_IS_SAFE 1
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#define BREAK_INSTR_SIZE 2
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#define GDB_ADJUSTS_BREAK_OFFSET
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#endif /* __ASM_SH_KGDB_H */
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