/*
* This appends the listed symbols to /proc/vmcoreinfo
*
* /proc/vmcoreinfo is used by various utiilties, like crash and makedumpfile to
* obtain access to symbols that are otherwise very difficult to locate. These
* symbols are specifically used so that utilities can access and extract the
* dmesg log from a vmcore file after a crash.
*/
void log_buf_kexec_setup(void)
{
VMCOREINFO_SYMBOL(log_buf);
VMCOREINFO_SYMBOL(log_end);
VMCOREINFO_SYMBOL(log_buf_len);
VMCOREINFO_SYMBOL(logged_chars);
}
void arch_crash_save_vmcoreinfo(void)
{
VMCOREINFO_SYMBOL(dom_xen);
VMCOREINFO_SYMBOL(dom_io);
VMCOREINFO_SYMBOL(xen_pstart);
VMCOREINFO_SYMBOL(frametable_pg_dir);
}
void arch_crash_save_vmcoreinfo(void)
{
#ifdef CONFIG_NUMA
VMCOREINFO_SYMBOL(node_data);
VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
#endif
}
void arch_crash_save_vmcoreinfo(void)
{
#if defined(CONFIG_ARCH_DISCONTIGMEM_ENABLE) && defined(CONFIG_NUMA)
VMCOREINFO_SYMBOL(pgdat_list);
VMCOREINFO_LENGTH(pgdat_list, MAX_NUMNODES);
VMCOREINFO_SYMBOL(node_memblk);
VMCOREINFO_LENGTH(node_memblk, NR_NODE_MEMBLKS);
VMCOREINFO_SIZE(node_memblk_s);
VMCOREINFO_OFFSET(node_memblk_s, start_paddr);
VMCOREINFO_OFFSET(node_memblk_s, size);
#endif
#ifdef CONFIG_PGTABLE_3
VMCOREINFO_CONFIG(PGTABLE_3);
#elif CONFIG_PGTABLE_4
VMCOREINFO_CONFIG(PGTABLE_4);
#endif
}
void arch_crash_save_vmcoreinfo(void)
{
VMCOREINFO_SYMBOL(lowcore_ptr);
VMCOREINFO_SYMBOL(high_memory);
VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS);
}