diff options
Diffstat (limited to 'gcc/doc/plugins.texi')
| -rw-r--r-- | gcc/doc/plugins.texi | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/doc/plugins.texi b/gcc/doc/plugins.texi index bb32bccbf18..123f67075ad 100644 --- a/gcc/doc/plugins.texi +++ b/gcc/doc/plugins.texi @@ -136,6 +136,7 @@ enum plugin_event PLUGIN_REGISTER_GGC_CACHES, /* Register an extra GGC cache table. */ PLUGIN_ATTRIBUTES, /* Called during attribute registration */ PLUGIN_START_UNIT, /* Called before processing a translation unit. */ + PLUGIN_PRAGMAS, /* Called during pragma registration. */ PLUGIN_EVENT_LAST /* Dummy event used for indexing callback array. */ @}; @@ -156,6 +157,11 @@ For the PLUGIN_PASS_MANAGER_SETUP, PLUGIN_INFO, PLUGIN_REGISTER_GGC_ROOTS and PLUGIN_REGISTER_GGC_CACHES pseudo-events the @code{callback} should be null, and the @code{user_data} is specific. +When the PLUGIN_PRAGMAS event is triggered (with a null +pointer as data from GCC), plugins may register their own pragmas +using functions like @code{c_register_pragma} or +@code{c_register_pragma_with_expansion}. + @section Interacting with the pass manager There needs to be a way to add/reorder/remove passes dynamically. This @@ -165,7 +171,7 @@ such as CFG or an IPA pass) and optimization plugins. Basic support for inserting new passes or replacing existing passes is provided. A plugin registers a new pass with GCC by calling @code{register_callback} with the @code{PLUGIN_PASS_MANAGER_SETUP} -event and a pointer to a @code{struct plugin_pass} object defined as follows +event and a pointer to a @code{struct register_pass_info} object defined as follows @smallexample enum pass_positioning_ops @@ -175,7 +181,7 @@ enum pass_positioning_ops PASS_POS_REPLACE // Replace the reference pass. @}; -struct plugin_pass +struct register_pass_info @{ struct opt_pass *pass; /* New pass provided by the plugin. */ const char *reference_pass_name; /* Name of the reference pass for hooking @@ -192,7 +198,7 @@ int plugin_init (struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) @{ - struct plugin_pass pass_info; + struct register_pass_info pass_info; ... |