C++ (Cpp) kgdb_arch_set_breakpointの例

コード例 #1

/*
 * SW breakpoint management:
 */
int dbg_activate_sw_breakpoints(void)
{
	unsigned long addr;
	int error;
	int ret = 0;
	int i;

	for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) {
		if (kgdb_break[i].state != BP_SET)
			continue;

		addr = kgdb_break[i].bpt_addr;
		error = kgdb_arch_set_breakpoint(addr,
				kgdb_break[i].saved_instr);
		if (error) {
			ret = error;
			printk(KERN_INFO "KGDB: BP install failed: %lx", addr);
			continue;
		}

		kgdb_flush_swbreak_addr(addr);
		kgdb_break[i].state = BP_ACTIVE;
	}
	return ret;
}

コード例 #2

int __weak kgdb_validate_break_address(unsigned long addr)
{
	char tmp_variable[BREAK_INSTR_SIZE];
	int err;
	/* Validate setting the breakpoint and then removing it.  In the
	 * remove fails, the kernel needs to emit a bad message because we
	 * are deep trouble not being able to put things back the way we
	 * found them.
	 */
	err = kgdb_arch_set_breakpoint(addr, tmp_variable);
	if (err)
		return err;
	err = kgdb_arch_remove_breakpoint(addr, tmp_variable);
	if (err)
		printk(KERN_ERR "KGDB: Critical breakpoint error, kernel "
		   "memory destroyed at: %lx", addr);
	return err;
}

コード例 #3

ファイル: debug_core.c プロジェクト: AudioGod/MediaTek-HelioX10-Kernel

int __weak kgdb_validate_break_address(unsigned long addr)
{
	struct kgdb_bkpt tmp;
	int err;
	/* Validate setting the breakpoint and then removing it.  If the
	 * remove fails, the kernel needs to emit a bad message because we
	 * are deep trouble not being able to put things back the way we
	 * found them.
	 */
	tmp.bpt_addr = addr;
	err = kgdb_arch_set_breakpoint(&tmp);
	if (err)
		return err;
	err = kgdb_arch_remove_breakpoint(&tmp);
	if (err)
		printk(KERN_ERR "KGDB: Critical breakpoint error, kernel "
		   "memory destroyed at: %lx", addr);
	return err;
}

コード例 #4

ファイル: kgdb.c プロジェクト: johnny/CobraDroidBeta

/*
 * SW breakpoint management:
 */
static int kgdb_activate_sw_breakpoints(void)
{
	unsigned long addr;
	int error = 0;
	int i;

	for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) {
		if (kgdb_break[i].state != BP_SET)
			continue;

		addr = kgdb_break[i].bpt_addr;
		error = kgdb_arch_set_breakpoint(addr,
				kgdb_break[i].saved_instr);
		if (error)
			return error;

		kgdb_flush_swbreak_addr(addr);
		kgdb_break[i].state = BP_ACTIVE;
	}
	return 0;
}

コード例 #5

ファイル: debug_core.c プロジェクト: kdave/btrfs-devel

/*
 * SW breakpoint management:
 */
int dbg_activate_sw_breakpoints(void)
{
    int error;
    int ret = 0;
    int i;

    for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) {
        if (kgdb_break[i].state != BP_SET)
            continue;

        error = kgdb_arch_set_breakpoint(&kgdb_break[i]);
        if (error) {
            ret = error;
            pr_info("BP install failed: %lx\n",
                    kgdb_break[i].bpt_addr);
            continue;
        }

        kgdb_flush_swbreak_addr(kgdb_break[i].bpt_addr);
        kgdb_break[i].state = BP_ACTIVE;
    }
    return ret;
}