* [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs
@ 2021-01-15 1:55 craig.ringer at 2ndquadrant dot com
2021-01-15 1:56 ` [Bug documentation/27186] " craig.ringer at 2ndquadrant dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: craig.ringer at 2ndquadrant dot com @ 2021-01-15 1:55 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=27186
Bug ID: 27186
Summary: Document CONTEXT variable in embedded C docs
Product: systemtap
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: documentation
Assignee: systemtap at sourceware dot org
Reporter: craig.ringer at 2ndquadrant dot com
Target Milestone: ---
This small docs patch adds mention of the CONTEXT var for embedded C and where
it's defined.
It also mentions that you can use embedded C rvalues in stap macro definitions.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug documentation/27186] Document CONTEXT variable in embedded C docs
2021-01-15 1:55 [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs craig.ringer at 2ndquadrant dot com
@ 2021-01-15 1:56 ` craig.ringer at 2ndquadrant dot com
2021-01-15 23:04 ` fche at redhat dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: craig.ringer at 2ndquadrant dot com @ 2021-01-15 1:56 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=27186
Craig Ringer <craig.ringer at 2ndquadrant dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug documentation/27186] Document CONTEXT variable in embedded C docs
2021-01-15 1:55 [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs craig.ringer at 2ndquadrant dot com
2021-01-15 1:56 ` [Bug documentation/27186] " craig.ringer at 2ndquadrant dot com
@ 2021-01-15 23:04 ` fche at redhat dot com
2021-01-18 3:29 ` craig.ringer at 2ndquadrant dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: fche at redhat dot com @ 2021-01-15 23:04 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=27186
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Ever confirmed|0 |1
CC| |fche at redhat dot com
Last reconfirmed| |2021-01-15
--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
forgot to attach!
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug documentation/27186] Document CONTEXT variable in embedded C docs
2021-01-15 1:55 [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs craig.ringer at 2ndquadrant dot com
2021-01-15 1:56 ` [Bug documentation/27186] " craig.ringer at 2ndquadrant dot com
2021-01-15 23:04 ` fche at redhat dot com
@ 2021-01-18 3:29 ` craig.ringer at 2ndquadrant dot com
2021-01-25 22:56 ` fche at redhat dot com
2021-01-29 11:17 ` craig.ringer at 2ndquadrant dot com
4 siblings, 0 replies; 6+ messages in thread
From: craig.ringer at 2ndquadrant dot com @ 2021-01-18 3:29 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=27186
--- Comment #2 from Craig Ringer <craig.ringer at 2ndquadrant dot com> ---
Created attachment 13130
--> https://sourceware.org/bugzilla/attachment.cgi?id=13130&action=edit
document CONTEXT var in embedded C
Had an issue submitting, apparently ate the attachment when resubmitting.
Thanks.
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* [Bug documentation/27186] Document CONTEXT variable in embedded C docs
2021-01-15 1:55 [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs craig.ringer at 2ndquadrant dot com
` (2 preceding siblings ...)
2021-01-18 3:29 ` craig.ringer at 2ndquadrant dot com
@ 2021-01-25 22:56 ` fche at redhat dot com
2021-01-29 11:17 ` craig.ringer at 2ndquadrant dot com
4 siblings, 0 replies; 6+ messages in thread
From: fche at redhat dot com @ 2021-01-25 22:56 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=27186
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Frank Ch. Eigler <fche at redhat dot com> ---
Craig, thanks, but I'm hesitant to even mention CONTEXT in the embedded-C
section. The [man stap] page identifies all the data values/macros we intend
to give access (parameters, return values, error buffer). Did we overlook
something important?
Regarding the possibility of embedded-C expressions in macros ... it's just a
normal composition of features, not a special case. But sure, can add this.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug documentation/27186] Document CONTEXT variable in embedded C docs
2021-01-15 1:55 [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs craig.ringer at 2ndquadrant dot com
` (3 preceding siblings ...)
2021-01-25 22:56 ` fche at redhat dot com
@ 2021-01-29 11:17 ` craig.ringer at 2ndquadrant dot com
4 siblings, 0 replies; 6+ messages in thread
From: craig.ringer at 2ndquadrant dot com @ 2021-01-29 11:17 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=27186
--- Comment #4 from Craig Ringer <craig.ringer at 2ndquadrant dot com> ---
Fair enough.
Perhaps a comment on the stap source that handles injection of CONTEXT that
points to the relevant header then?
It was interesting working out where it all came from. Especially since a name
like "context" isn't super grep-able.
I agree the macro expansion of embedded C is fairly obvious. I wouldn't have
bothered with just that.
So - abandoned.
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2021-01-15 1:55 [Bug documentation/27186] New: Document CONTEXT variable in embedded C docs craig.ringer at 2ndquadrant dot com
2021-01-15 1:56 ` [Bug documentation/27186] " craig.ringer at 2ndquadrant dot com
2021-01-15 23:04 ` fche at redhat dot com
2021-01-18 3:29 ` craig.ringer at 2ndquadrant dot com
2021-01-25 22:56 ` fche at redhat dot com
2021-01-29 11:17 ` craig.ringer at 2ndquadrant dot com
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