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| author | Will Newton <will.newton@linaro.org> | 2014-01-28 14:26:38 +0000 |
|---|---|---|
| committer | Will Newton <will.newton@linaro.org> | 2014-02-11 10:17:11 +0000 |
| commit | b4f12ca39108269a5ca55e0925ae2046965d3083 (patch) | |
| tree | df4d8dc7ef5cd00fd569fa4038d703464294fa35 /include | |
| parent | c13a72b7c4864f23b9f2e96a3369e5875ed3b51b (diff) | |
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include/stap-probe.h: Add comment about SystemTap argument format
Add a comment pointing to the SystemTap wiki page that documents the
format of the arguments. Also add a pointer to the SystemTap and
gdb sources which seem to be the best place to get the architecture
specific details.
ChangeLog:
2014-02-11 Will Newton <will.newton@linaro.org>
* include/stap-probe.h: Add comment about probe argument
format.
Diffstat (limited to 'include')
| -rw-r--r-- | include/stap-probe.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/stap-probe.h b/include/stap-probe.h index 73b88e67ee..688646c9e9 100644 --- a/include/stap-probe.h +++ b/include/stap-probe.h @@ -30,7 +30,15 @@ Systemtap's header defines the macros STAP_PROBE (provider, name) and STAP_PROBEn (provider, name, arg1, ..., argn). For "provider" we paste - in the IN_LIB name (libc, libpthread, etc.) automagically. */ + in the IN_LIB name (libc, libpthread, etc.) automagically. + + The format of the arg parameters is discussed here: + + https://sourceware.org/systemtap/wiki/UserSpaceProbeImplementation + + The precise details of how register names are specified is + architecture specific and can be found in the gdb and SystemTap + source code. */ # ifndef NOT_IN_libc # define IN_LIB libc |