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* [newlib-cygwin] Cygwin: Improve FAQ on early breakpoint for ASLR
@ 2022-11-04 15:11 Jon TURNEY
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From: Jon TURNEY @ 2022-11-04 15:11 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8c68a8a4898f2607bf940716dbce5654f10c481b
commit 8c68a8a4898f2607bf940716dbce5654f10c481b
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date: Tue Nov 1 16:52:57 2022 +0000
Cygwin: Improve FAQ on early breakpoint for ASLR
gdb supports the 'disable-randomization' setting on Windows since [1]
(included in gdb 13).
https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=bcb9251f029da8dcf360a4f5acfa3b4211c87bb0;hp=8fea1a81c7d9279a6f91e49ebacfb61e0f8ce008
Diff:
---
winsup/doc/faq-programming.xml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/winsup/doc/faq-programming.xml b/winsup/doc/faq-programming.xml
index 7945b6b88..36d0a401f 100644
--- a/winsup/doc/faq-programming.xml
+++ b/winsup/doc/faq-programming.xml
@@ -844,6 +844,12 @@ Guide here: <ulink url="https://cygwin.com/cygwin-ug-net/dll.html"/>.
Note that the DllMain entrypoints for linked DLLs will have been executed
before this breakpoint is hit.
</para>
+
+<para>
+ (It may be necessary to use the <command>gdb</command> command <command>set
+ disable-randomization on</command> to turn off ASLR for the debugee to
+ prevent the base address getting randomized.)
+</para>
</answer></qandaentry>
<qandaentry id="faq.programming.debug">
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