diff options
Diffstat (limited to 'gcc/cgraphunit.c')
| -rw-r--r-- | gcc/cgraphunit.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c index 7bfcf96..39a4e32 100644 --- a/gcc/cgraphunit.c +++ b/gcc/cgraphunit.c @@ -168,6 +168,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "coretypes.h" #include "tm.h" #include "tree.h" +#include "rtl.h" #include "tree-inline.h" #include "langhooks.h" #include "hashtab.h" @@ -1785,3 +1786,66 @@ cgraph_optimize (void) } #endif } + +/* Generate and emit a static constructor or destructor. WHICH must be + one of 'I' or 'D'. BODY should be a STATEMENT_LIST containing + GENERIC statements. */ + +void +cgraph_build_static_cdtor (char which, tree body) +{ + static int counter = 0; + char which_buf[16]; + tree decl, name; + + sprintf (which_buf, "%c_%d", which, counter++); + name = get_file_function_name_long (which_buf); + + decl = build_decl (FUNCTION_DECL, name, + build_function_type (void_type_node, void_list_node)); + current_function_decl = decl; + + DECL_RESULT (decl) = build_decl (RESULT_DECL, NULL_TREE, void_type_node); + allocate_struct_function (decl); + + TREE_STATIC (decl) = 1; + TREE_USED (decl) = 1; + DECL_ARTIFICIAL (decl) = 1; + DECL_IGNORED_P (decl) = 1; + DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl) = 1; + DECL_SAVED_TREE (decl) = body; + TREE_PUBLIC (decl) = ! targetm.have_ctors_dtors; + DECL_UNINLINABLE (decl) = 1; + + DECL_INITIAL (decl) = make_node (BLOCK); + TREE_USED (DECL_INITIAL (decl)) = 1; + + DECL_SOURCE_LOCATION (decl) = input_location; + cfun->function_end_locus = input_location; + + if (which == 'I') + DECL_STATIC_CONSTRUCTOR (decl) = 1; + else if (which == 'D') + DECL_STATIC_DESTRUCTOR (decl) = 1; + else + abort (); + + gimplify_function_tree (decl); + + /* ??? We will get called LATE in the compilation process. */ + if (cgraph_global_info_ready) + tree_rest_of_compilation (decl, false); + else + cgraph_finalize_function (decl, 0); + + if (targetm.have_ctors_dtors) + { + void (*fn) (rtx, int); + + if (which == 'I') + fn = targetm.asm_out.constructor; + else + fn = targetm.asm_out.destructor; + fn (XEXP (DECL_RTL (decl), 0), DEFAULT_INIT_PRIORITY); + } +} |