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    Subject[PATCH 37/37] kgdbts,sh: Add in breakpoint pc offset for superh
    Date
    The kgdb test suite mimics the behavior of gdb.  For the sh
    architecture the pc must be decremented by 2 for software breakpoint.

    CC: Paul Mundt <lethal@linux-sh.org>
    Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
    ---
    drivers/misc/kgdbts.c | 6 ++++++
    1 files changed, 6 insertions(+), 0 deletions(-)

    diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
    index fcb6ec1..7245023 100644
    --- a/drivers/misc/kgdbts.c
    +++ b/drivers/misc/kgdbts.c
    @@ -295,6 +295,10 @@ static int check_and_rewind_pc(char *put_str, char *arg)
    /* On x86 a breakpoint stop requires it to be decremented */
    if (addr + 1 == kgdbts_regs.ip)
    offset = -1;
    +#elif defined(CONFIG_SUPERH)
    + /* On SUPERH a breakpoint stop requires it to be decremented */
    + if (addr + 2 == kgdbts_regs.pc)
    + offset = -2;
    #endif
    if (strcmp(arg, "silent") &&
    instruction_pointer(&kgdbts_regs) + offset != addr) {
    @@ -305,6 +309,8 @@ static int check_and_rewind_pc(char *put_str, char *arg)
    #ifdef CONFIG_X86
    /* On x86 adjust the instruction pointer if needed */
    kgdbts_regs.ip += offset;
    +#elif defined(CONFIG_SUPERH)
    + kgdbts_regs.pc += offset;
    #endif
    return 0;
    }
    --
    1.6.4.rc1


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