- 14 Feb, 2012 10 commits
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Cyrill Gorcunov authored
Some names may be "dot" mangled. Signed-off-by:
Cyrill Gorcunov <gorcunov@openvz.org> Acked-by:
Pavel Emelyanov <xemul@parallels.com>
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
It's pretty convenient to have asm generated code at hands if hunting weird problems. Signed-off-by:
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Cyrill Gorcunov authored
We will need it for parasite. Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
Easier to read. Signed-off-by:
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Kir Kolyshkin authored
...and move tags/cscope removal to it. 'make clean' is traditionally used to remove all compiler-generated stuff in order to do a clean rebuild. 'make distclean' cleans more, it is used to prepare sources for 'make dist' (creating a source tarball). It is unfortunate to find out you have to run 'make tags cscope' every time after 'make clean'. Signed-off-by:
Kir Kolyshkin <kir@openvz.org> Signed-off-by:
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Kir Kolyshkin authored
In the beginning it was the Word, and the Word was .space. Later, .skip was introduced as a synonym for .space, initially only for 680x0 platform. But the sole reason for this patch is that I use clang/llvm to check the code and unfortunately it does not understand .skip, printing long ugly warnings I'd like to avoid. Signed-off-by:
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- 13 Feb, 2012 1 commit
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Kinsbursky Stanislav authored
This name for the structure is obfuscating, because the structure will be used also for queues and semaphores sets migration. This patch renames this structure int ipc_desc_entry. It also renames all related functions and prints to reflect structure name change. Signed-off-by:
Stanislav Kinsbursky <skinsbursky@parallels.com> Acked-by:
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- 12 Feb, 2012 13 commits
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Pavel Emelyanov authored
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Pavel Emelyanov authored
Since we now have the parasite memory shared with crtools process we can just memcpy this data between them. Signed-off-by:
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Pavel Emelyanov authored
I don't like that we poke the parasite into remote space with 4k calls to ptrace. Now we have the /proc/pid/map_files/ dir which helps us sharing a mapping with some other process. Use this -- map the remote area for parasite locally and put the parasite blob into it with simple memcpy. Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
In fact all we need for parasitic syscall is -- original regs and some regs with syscall args to work on. The former one is obtained in the infect/cure code and the latter one is located (and copied from orig) nearby. That said, we can simplify all the regs passing-down code by removing intermediate instances and utilizing the top-level reg-s for this. Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
No need in getting regs one more time -- we have the orig_regs at hands. Signed-off-by:
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Pavel Emelyanov authored
There's no need in 3 instances of regs in arguments. One is more than enough. Plus, this one can be made static. Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
Right now we do syscall_seized for this, but we have the misc dumping command and the core is (after patch #3) dump after parasite, so we can get brk from the misc dump, thus avoiding one more switch to parasite. Signed-off-by:
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Pavel Emelyanov authored
This is required for patch #4 Signed-off-by:
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Pavel Emelyanov authored
It's not used in code. Signed-off-by:
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Pavel Emelyanov authored
This actually does two things: 1. The parasite code writes to pages _or_ to pages_shared file himself based on a hint given from the main program. This avoids shared pages copying in finalize_core. 2. The private pages are moved out of the core file into a separate one. This avoids private pages copying in finalize_core. The goal of this patch is a) to avoid pages copying at all (we still have one on restore, but fixing this requires Andrey's work on shared memory dumping) and b) make big blobs with pages be stored in separate files (I have plans on its format rework and unification). Signed-off-by:
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- 11 Feb, 2012 4 commits
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Kir Kolyshkin authored
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Kir Kolyshkin authored
Say in case of corrupted img file Signed-off-by:
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Kir Kolyshkin authored
This is probably a typo in commit 1a1979ccSigned-off-by:
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Kir Kolyshkin authored
Use perror since read() set errno. Signed-off-by:
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- 10 Feb, 2012 12 commits
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Pavel Emelyanov authored
This file is parsed once to find who to fork and then for the 2nd time to find threads to create. Remove the 2nd parse holding the info found on the 1st stage in local *me variable. Signed-off-by:
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Cyrill Gorcunov authored
Only the low 32 bits of orig_ax are meaningful for obtaining syscall number so we need to test if sign extended bits are greater than 0. Reported-by:
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Kir Kolyshkin authored
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Kir Kolyshkin authored
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Kir Kolyshkin authored
No code change, pure cleanup Signed-off-by:
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Kir Kolyshkin authored
Fix too long line while at it. No code change, pure cleanup. Signed-off-by:
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Cyrill Gorcunov authored
Otherwise it become a global variable propagated even to files where it must has no reference to (such as parasite code) Symbol table '.symtab' contains 22 entries: Num: Value Size Type Bind Vis Ndx Name ... 4: 0000000000000000 0 FILE LOCAL DEFAULT ABS parasite.c ... 21: 000000000000b208 8 OBJECT GLOBAL DEFAULT 3 addr Signed-off-by: -
Pavel Emelyanov authored
These are connected, but don't have names. Thus the connect job fails on them. Use fake ones. Signed-off-by:
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Pavel Emelyanov authored
The fake bind name is trimmed on 1 char. Signed-off-by:
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Kinsbursky Stanislav authored
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Kinsbursky Stanislav authored
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Kinsbursky Stanislav authored
Define "KEY" is used also on restore stage. Signed-off-by:
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