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Document 'set|show exec-file-mismatch (ask|warn|off)' 

Mention in NEWS the new option and the set/show commands.

Document in gdb.texinfo the new option and the set/show commands.

gdb/ChangeLog
2020-01-25  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

	* NEWS: Mention the new option and the set/show commands.

gdb/doc/ChangeLog
2020-01-25  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

	* gdb.texinfo (Attach): Document the new option and the
	set/show commands.
	(Connecting): Reference the exec-file-mismatch option.
This commit is contained in:
Philippe Waroquiers 2019-12-21 14:47:17 +01:00
parent b1468492c6
commit e47e48f6a7
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gdb/ChangeLog
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@ -1,3 +1,7 @@
2020-01-25 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* NEWS: Mention the new option and the set/show commands.
2020-01-25 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* exec.c (exec_file_mismatch_names, exec_file_mismatch_mode)

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gdb/NEWS
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@ -10,6 +10,19 @@
that support it (see entry for GDB 9, below), providing faster
performance for programs with many symbols.
* New commands
set exec-file-mismatch -- Set exec-file-mismatch handling (ask|warn|off).
show exec-file-mismatch -- Show exec-file-mismatch handling (ask|warn|off).
Set or show the option 'exec-file-mismatch'. When GDB attaches to
a running process and can determine the name of the executable file
the process runs, this new option indicates whether to detect mismatch
between the name of the current executable file loaded by GDB
and the name of the executable file used to start the process.
If 'ask', the default, display a warning and ask the user
whether to load the process executable file; if 'warn', just display
a warning; if 'off', don't attempt to detect a mismatch.
*** Changes in GDB 9
* 'thread-exited' event is now available in the annotations interface.

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gdb/doc/ChangeLog
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@ -1,3 +1,9 @@
2020-01-25 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.texinfo (Attach): Document the new option and the
set/show commands.
(Connecting): Reference the exec-file-mismatch option.
2020-01-10 Pedro Alves <palves@redhat.com>
* gdb.texinfo (Starting): Say "current inferior not connected"

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gdb/doc/gdb.texinfo
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@ -2905,6 +2905,30 @@ the program is not found) by using the source file search path
the @code{file} command to load the program. @xref{Files, ,Commands to
Specify Files}.
@anchor{set exec-file-mismatch}
If the debugger can determine the name of the executable file running
in the process it is attaching to, and this file name does not match
the name of the current exec-file loaded by @value{GDBN}, the option
@code{exec-file-mismatch} specifies how to handle the mismatch.
@table @code
@kindex exec-file-mismatch
@cindex set exec-file-mismatch
@item set exec-file-mismatch @samp{ask|warn|off}
Whether to detect mismatch between the name of the current executable
file loaded by @value{GDBN} and the name of the executable file used to
start the process. If @samp{ask}, the default, display a warning
and ask the user whether to load the process executable file; if
@samp{warn}, just display a warning; if @samp{off}, don't attempt to
detect a mismatch.
@cindex show exec-file-mismatch
@item show exec-file-mismatch
Show the current value of @code{exec-file-mismatch}.
@end table
The first thing @value{GDBN} does after arranging to debug the specified
process is to stop it. You can examine and modify an attached process
with all the @value{GDBN} commands that are ordinarily available when
@ -21839,6 +21863,12 @@ established. If you are using @code{gdbserver}, you may also invoke
@code{gdbserver} using the @option{--attach} option
(@pxref{Running gdbserver}).
Some remote targets allow @value{GDBN} to determine the executable file running
in the process the debugger is attaching to. In such a case, @value{GDBN}
uses the value of @code{exec-file-mismatch} to handle a possible mismatch
between the executable file name running in the process and the name of the
current exec-file loaded by @value{GDBN} (@pxref{set exec-file-mismatch}).
@end table
@anchor{Host and target files}