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Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index d977b23..874cdeb 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -2363,6 +2363,7 @@ print the names and values of all environment variables to be given to your program. You can abbreviate @code{environment} as @code{env}. @kindex set environment +@anchor{set environment} @item set environment @var{varname} @r{[}=@var{value}@r{]} Set environment variable @var{varname} to @var{value}. The value changes for your program (and the shell @value{GDBN} uses to launch @@ -2391,12 +2392,21 @@ If necessary, you can avoid that by using the @samp{env} program as a wrapper instead of using @code{set environment}. @xref{set exec-wrapper}, for an example doing just that. +Environment variables that are set by the user are also transmitted to +@command{gdbserver} to be used when starting the remote inferior. +@pxref{QEnvironmentHexEncoded}. + @kindex unset environment +@anchor{unset environment} @item unset environment @var{varname} Remove variable @var{varname} from the environment to be passed to your program. This is different from @samp{set env @var{varname} =}; @code{unset environment} removes the variable from the environment, rather than assigning it an empty value. + +Environment variables that are unset by the user are also unset on +@command{gdbserver} when starting the remote inferior. +@pxref{QEnvironmentUnset}. @end table @emph{Warning:} On Unix systems, @value{GDBN} runs your program using @@ -20849,6 +20859,18 @@ are: @tab @code{QStartupWithShell} @tab @code{set startup-with-shell} +@item @code{environment-hex-encoded} +@tab @code{QEnvironmentHexEncoded} +@tab @code{set environment} + +@item @code{environment-unset} +@tab @code{QEnvironmentUnset} +@tab @code{unset environment} + +@item @code{environment-reset} +@tab @code{QEnvironmentReset} +@tab @code{Reset the inferior environment (i.e., unset user-set variables)} + @item @code{conditional-breakpoints-packet} @tab @code{Z0 and Z1} @tab @code{Support for target-side breakpoint condition evaluation} @@ -36604,6 +36626,100 @@ actually support starting the inferior using a shell. Use of this packet is controlled by the @code{set startup-with-shell} command; @pxref{set startup-with-shell}. +@item QEnvironmentHexEncoded:@var{hex-value} +@anchor{QEnvironmentHexEncoded} +@cindex set environment variable, remote request +@cindex @samp{QEnvironmentHexEncoded} packet +On UNIX-like targets, it is possible to set environment variables that +will be passed to the inferior during the startup process. This +packet is used to inform @command{gdbserver} of an environment +variable that has been defined by the user on @value{GDBN} (@pxref{set +environment}). + +The packet is composed by @var{hex-value}, an hex encoded +representation of the @var{name=value} format representing an +environment variable. The name of the environment variable is +represented by @var{name}, and the value to be assigned to the +environment variable is represented by @var{value}. If the variable +has no value (i.e., the value is @code{null}), then @var{value} will +not be present. + +This packet is only available in extended mode (@pxref{extended +mode}). + +Reply: +@table @samp +@item OK +The request succeeded. +@end table + +This packet is not probed by default; the remote stub must request it, +by supplying an appropriate @samp{qSupported} response +(@pxref{qSupported}). This should only be done on targets that +actually support passing environment variables to the starting +inferior. + +This packet is related to the @code{set environment} command; +@pxref{set environment}. + +@item QEnvironmentUnset:@var{hex-value} +@anchor{QEnvironmentUnset} +@cindex unset environment variable, remote request +@cindex @samp{QEnvironmentUnset} packet +On UNIX-like targets, it is possible to unset environment variables +before starting the inferior in the remote target. This packet is +used to inform @command{gdbserver} of an environment variable that has +been unset by the user on @value{GDBN} (@pxref{unset environment}). + +The packet is composed by @var{hex-value}, an hex encoded +representation of the name of the environment variable to be unset. + +This packet is only available in extended mode (@pxref{extended +mode}). + +Reply: +@table @samp +@item OK +The request succeeded. +@end table + +This packet is not probed by default; the remote stub must request it, +by supplying an appropriate @samp{qSupported} response +(@pxref{qSupported}). This should only be done on targets that +actually support passing environment variables to the starting +inferior. + +This packet is related to the @code{unset environment} command; +@pxref{unset environment}. + +@item QEnvironmentReset +@anchor{QEnvironmentReset} +@cindex reset environment, remote request +@cindex @samp{QEnvironmentReset} packet +On UNIX-like targets, this packet is used to reset the state of +environment variables in the remote target before starting the +inferior. In this context, reset means unsetting all environment +variables that were previously set by the user (i.e., were not +initially present in the environment). It is sent to +@command{gdbserver} before the @samp{QEnvironmentHexEncoded} +(@pxref{QEnvironmentHexEncoded}) and the @samp{QEnvironmentUnset} +(@pxref{QEnvironmentUnset}) packets. + +This packet is only available in extended mode (@pxref{extended +mode}). + +Reply: +@table @samp +@item OK +The request succeeded. +@end table + +This packet is not probed by default; the remote stub must request it, +by supplying an appropriate @samp{qSupported} response +(@pxref{qSupported}). This should only be done on targets that +actually support passing environment variables to the starting +inferior. + @item qfThreadInfo @itemx qsThreadInfo @cindex list active threads, remote request |