diff --git a/linux-ramdump-parser-v2/parsers/vmalloc.py b/linux-ramdump-parser-v2/parsers/vmalloc.py
index 832c6e6f114bfd9337ea8debb0fee621b6d531f8..a56ceb4b22562c13101591e1b796bf61ebcc4258 100644
--- a/linux-ramdump-parser-v2/parsers/vmalloc.py
+++ b/linux-ramdump-parser-v2/parsers/vmalloc.py
@@ -9,8 +9,10 @@
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
+import re
from print_out import print_out_str
from parser_util import register_parser, RamParser
+import linux_list as llist
VM_IOREMAP = 0x00000001
VM_ALLOC = 0x00000002
@@ -23,64 +25,98 @@ VM_UNLIST = 0x00000020
@register_parser('--print-vmalloc', 'print vmalloc information')
class Vmalloc(RamParser):
- def print_vmalloc_info(self, ram_dump, out_path):
- vmlist_addr = ram_dump.addr_lookup('vmlist')
- vmlist = ram_dump.read_word(vmlist_addr)
+ def print_vm(self, vm):
+ if vm == 0 or vm is None:
+ return
+
+ next_offset = self.ramdump.field_offset('struct vm_struct', 'next')
+ addr_offset = self.ramdump.field_offset('struct vm_struct', 'addr')
+ size_offset = self.ramdump.field_offset('struct vm_struct', 'size')
+ flags_offset = self.ramdump.field_offset('struct vm_struct', 'flags')
+ pages_offset = self.ramdump.field_offset('struct vm_struct', 'pages')
+ nr_pages_offset = self.ramdump.field_offset('struct vm_struct', 'nr_pages')
+ phys_addr_offset = self.ramdump.field_offset(
+ 'struct vm_struct', 'phys_addr')
+ caller_offset = self.ramdump.field_offset('struct vm_struct', 'caller')
- vmalloc_out = ram_dump.open_file('vmalloc.txt')
+ addr = self.ramdump.read_word(vm + addr_offset)
+ caller = self.ramdump.read_word(vm + caller_offset)
+ nr_pages = self.ramdump.read_word(vm + nr_pages_offset)
+ phys_addr = self.ramdump.read_word(vm + phys_addr_offset)
+ flags = self.ramdump.read_word(vm + flags_offset)
+ size = self.ramdump.read_word(vm + size_offset)
- next_offset = ram_dump.field_offset('struct vm_struct', 'next')
- addr_offset = ram_dump.field_offset('struct vm_struct', 'addr')
- size_offset = ram_dump.field_offset('struct vm_struct', 'size')
- flags_offset = ram_dump.field_offset('struct vm_struct', 'flags')
- pages_offset = ram_dump.field_offset('struct vm_struct', 'pages')
- nr_pages_offset = ram_dump.field_offset('struct vm_struct', 'nr_pages')
- phys_addr_offset = ram_dump.field_offset(
- 'struct vm_struct', 'phys_addr')
- caller_offset = ram_dump.field_offset('struct vm_struct', 'caller')
+ if addr is None:
+ return
- while (vmlist is not None) and (vmlist != 0):
- addr = ram_dump.read_word(vmlist + addr_offset)
- caller = ram_dump.read_word(vmlist + caller_offset)
- nr_pages = ram_dump.read_word(vmlist + nr_pages_offset)
- phys_addr = ram_dump.read_word(vmlist + phys_addr_offset)
- flags = ram_dump.read_word(vmlist + flags_offset)
- size = ram_dump.read_word(vmlist + size_offset)
+ vmalloc_str = '{0:x}-{1:x} {2:x}'.format(addr, addr + size, size)
+
+ if (caller != 0):
+ a = self.ramdump.unwind_lookup(caller)
+ if a is not None:
+ symname, offset = a
+ vmalloc_str = vmalloc_str + \
+ ' {0}+0x{1:x}'.format(symname, offset)
+
+ if (nr_pages != 0):
+ vmalloc_str = vmalloc_str + ' pages={0}'.format(nr_pages)
+
+ if (phys_addr != 0):
+ vmalloc_str = vmalloc_str + ' phys={0:x}'.format(phys_addr)
+
+ if (flags & VM_IOREMAP) != 0:
+ vmalloc_str = vmalloc_str + ' ioremap'
+
+ if (flags & VM_ALLOC) != 0:
+ vmalloc_str = vmalloc_str + ' vmalloc'
- vmalloc_str = '{0:x}-{1:x} {2:x}'.format(addr, addr + size, size)
+ if (flags & VM_MAP) != 0:
+ vmalloc_str = vmalloc_str + ' vmap'
- if (caller != 0):
- a = ram_dump.unwind_lookup(caller)
- if a is not None:
- symname, offset = a
- vmalloc_str = vmalloc_str + \
- ' {0}+0x{1:x}'.format(symname, offset)
+ if (flags & VM_USERMAP) != 0:
+ vmalloc_str = vmalloc_str + ' user'
- if (nr_pages != 0):
- vmalloc_str = vmalloc_str + ' pages={0}'.format(nr_pages)
+ if (flags & VM_VPAGES) != 0:
+ vmalloc_str = vmalloc_str + ' vpages'
- if (phys_addr != 0):
- vmalloc_str = vmalloc_str + ' phys={0:x}'.format(phys_addr)
+ vmalloc_str = vmalloc_str + '\n'
+ self.vmalloc_out.write(vmalloc_str)
- if (flags & VM_IOREMAP) != 0:
- vmalloc_str = vmalloc_str + ' ioremap'
+ def list_func(self, vmlist):
+ vm_offset = self.ramdump.field_offset('struct vmap_area', 'vm')
- if (flags & VM_ALLOC) != 0:
- vmalloc_str = vmalloc_str + ' vmalloc'
+ vm = self.ramdump.read_word(vmlist + vm_offset)
+ self.print_vm(vm)
- if (flags & VM_MAP) != 0:
- vmalloc_str = vmalloc_str + ' vmap'
- if (flags & VM_USERMAP) != 0:
- vmalloc_str = vmalloc_str + ' user'
+ def print_vmalloc_info_3_10(self, out_path):
+ vmalloc_out = self.ramdump.open_file('vmalloc.txt')
- if (flags & VM_VPAGES) != 0:
- vmalloc_str = vmalloc_str + ' vpages'
+ next_offset = self.ramdump.field_offset('struct vmap_area', 'list')
+ vmlist = self.ramdump.read_word('vmap_area_list')
+ orig_vmlist = vmlist
- vmalloc_str = vmalloc_str + '\n'
- vmalloc_out.write(vmalloc_str)
+ list_next_offset, list_prev_offset = llist.get_list_offsets(
+ self.ramdump)
+
+ list_walker = llist.ListWalker(self.ramdump, vmlist, next_offset, list_next_offset, list_prev_offset)
+ self.vmalloc_out = vmalloc_out
+ list_walker.walk(vmlist, self.list_func)
+ print_out_str('---wrote vmalloc to vmalloc.txt')
+ vmalloc_out.close()
+
+
+ def print_vmalloc_info(self, out_path):
+ vmlist = self.ramdump.read_word('vmlist')
+ next_offset = self.ramdump.field_offset('struct vm_struct', 'next')
+
+ vmalloc_out = self.ramdump.open_file('vmalloc.txt')
+ self.vmalloc_out = vmalloc_out
+
+ while (vmlist is not None) and (vmlist != 0):
+ self.print_vm(vmlist)
- vmlist = ram_dump.read_word(vmlist + next_offset)
+ vmlist = self.ramdump.read_word(vmlist + next_offset)
print_out_str('---wrote vmalloc to vmalloc.txt')
vmalloc_out.close()
@@ -88,4 +124,7 @@ class Vmalloc(RamParser):
def parse(self):
out_path = self.ramdump.outdir
ver = self.ramdump.version
- self.print_vmalloc_info(self.ramdump, out_path)
+ if re.search('3\.10\.\d', ver) is not None:
+ self.print_vmalloc_info_3_10(out_path)
+ else:
+ self.print_vmalloc_info(out_path)