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ada: Document that gprof won't work on windows with PIE.

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Document that gprof won't work on windows with PIE and -no-pie must be
used.

gcc/ada/

	* doc/gnat_ugn/gnat_and_program_execution.rst: Mention the needed
	-no-pie for windows to use gprof.
	* gnat_ugn.texi: Regenerate.
This commit is contained in:
Cedric Landet 2022-10-18 09:58:46 +02:00 • committed by Marc Poulhiès
parent bcb3f09ec6
commit 96c053335c
2 changed files with 11 additions and 4 deletions
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8
gcc/ada/doc/gnat_ugn/gnat_and_program_execution.rst
View file

@ -1252,8 +1252,8 @@ most often, and are therefore the most time-consuming.
better handle Ada programs and multitasking.
It is currently supported on the following platforms
* linux x86/x86_64
* windows x86
* Linux x86/x86_64
* Windows x86/x86_64 (without PIE support)
In order to profile a program using ``gprof``, several steps are needed:
@ -1291,6 +1291,10 @@ Note that only the objects that were compiled with the ``-pg`` switch will
be profiled; if you need to profile your whole project, use the ``-f``
gnatmake switch to force full recompilation.
Note that on Windows, gprof does not support PIE. The ``-no-pie`` switch
should be added to the linker flags to disable this feature.
.. _Program_execution:

7
gcc/ada/gnat_ugn.texi
View file

@ -19552,10 +19552,10 @@ It is currently supported on the following platforms
@itemize *
@item
linux x86/x86_64
Linux x86/x86_64
@item
windows x86
Windows x86/x86_64 (without PIE support)
@end itemize
In order to profile a program using @code{gprof}, several steps are needed:
@ -19614,6 +19614,9 @@ Note that only the objects that were compiled with the @code{-pg} switch will
be profiled; if you need to profile your whole project, use the @code{-f}
gnatmake switch to force full recompilation.
Note that on Windows, gprof does not support PIE. The @code{-no-pie} switch
should be added to the linker flags to disable this feature.
@node Program execution,Running gprof,Compilation for profiling,Profiling an Ada Program with gprof
@anchor{gnat_ugn/gnat_and_program_execution id23}@anchor{175}@anchor{gnat_ugn/gnat_and_program_execution program-execution}@anchor{176}
@subsubsection Program execution