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show: Rework show procedure

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Added

 - ability to parse every single file crtools
   understands via magic number

 - dumped memory pages can be rendered in two
   modes -- as a simple set of pages' virtual addresses
   or in hexdummp fashion (via -c command line key).

For example

  ./crtools -s -c -f pages-2557.img

CR_FD_PAGES: pages-2557.img
----------------------------------------
    7fffb44ace20: 00 00 00 00 00 00 00 00  00 00 00 74 65 73 74 2f  |. . . . . . . .  . . . t e s t / |
    7fffb44ace30: 74 65 73 74 2d 73 69 67  61 63 74 69 6f 6e 00 48  |t e s t - s i g  a c t i o n . H |
    7fffb44ace40: 4f 53 54 4e 41 4d 45 3d  6c 6f 63 61 6c 68 6f 73  |O S T N A M E =  l o c a l h o s |
    7fffb44ace50: 74 2e 6c 6f 63 61 6c 64  6f 6d 61 69 6e 00 54 45  |t . l o c a l d  o m a i n . T E |

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
This commit is contained in:
Cyrill Gorcunov
2011-12-05 15:57:47 +04:00
parent c06227ff3b
commit 485c4b50d1
4 changed files with 391 additions and 253 deletions
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4
include/crtools.h
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@@ -9,6 +9,7 @@
#include "image.h"
extern struct page_entry zero_page_entry;
extern void free_pstree(struct list_head *pstree_list);
#define CR_FD_PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH)
#define CR_FD_PERM_DUMP (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
@@ -35,6 +36,9 @@ enum cr_task_final_state {
struct cr_options {
bool leader_only;
enum cr_task_final_state final_state;
bool show_single_file;
bool show_pages_content;
char *show_dump_file;
};
/* file descriptors template */