author | Oleksandr Gavenko <gavenkoa@gmail.com> |
Fri, 11 Sep 2009 15:29:13 +0300 | |
changeset 193 | 635ce059b359 |
child 194 | c9a5f5dad40d |
permissions | -rw-r--r-- |
193
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
1 |
-*- mode: outline; coding: utf-8 -*- |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
2 |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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* Remove dead code. |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
4 |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
5 |
STRIP_DEAD_CODE = -Wl,-static -fvtable-gc -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,-s |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
6 |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
7 |
-Wl,-static |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
8 |
Link against static libraries. Required for dead-code |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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elimination. |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
10 |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
11 |
-fvtable-gc |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
12 |
C++ virtual method table instrumented with garbage collection |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
13 |
information for the linker. |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
14 |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
15 |
-fdata-sections |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
16 |
Keeps data in separate data sections, so they can be discarded |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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if unused. |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
18 |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
19 |
-ffunction-sections |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
20 |
Keeps funcitons in separate data sections, so they can be |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
21 |
discarded if unused. |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
23 |
-Wl,--gc-sections |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
24 |
Tell the linker to garbage collect and discard unused |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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sections. |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
27 |
-s |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
28 |
Strip the debug information, so as to make the code as small |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
29 |
as possible. (I presume that you'd want to do this in a |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
30 |
dead-code removal build.) |
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
31 |