2014-02-11 Will Newton <will.newton@linaro.org>
+ * include/stap-probe.h: Add comment about probe argument
+ format.
+
+2014-02-11 Will Newton <will.newton@linaro.org>
+
* malloc/mtrace.c (attribute_hidden): Remove unused macro
definition. (tr_where, tr_freehook, tr_mallochook,
tr_reallochook, tr_memalignhook): Use ANSI protoype.
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