diff options
Diffstat (limited to 'gcc/collect2.c')
| -rw-r--r-- | gcc/collect2.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/gcc/collect2.c b/gcc/collect2.c index 5a7e874..20c2533 100644 --- a/gcc/collect2.c +++ b/gcc/collect2.c @@ -2108,12 +2108,23 @@ write_c_file_stat (FILE *stream, const char *name ATTRIBUTE_UNUSED) fprintf (stream, " struct object *next;\n"); fprintf (stream, "};\n"); + fprintf (stream, "extern void __register_frame_info_table_bases (void *, struct object *, void *tbase, void *dbase);\n"); fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n"); fprintf (stream, "extern void *__deregister_frame_info (void *);\n"); +#ifdef TARGET_AIX_VERSION + fprintf (stream, "extern void *__gcc_unwind_dbase;\n"); +#endif fprintf (stream, "static void reg_frame () {\n"); fprintf (stream, "\tstatic struct object ob;\n"); +#ifdef TARGET_AIX_VERSION + /* Use __gcc_unwind_dbase as the base address for data on AIX. + This might not be the start of the segment, signed offsets assumed. + */ + fprintf (stream, "\t__register_frame_info_table_bases (frame_table, &ob, (void *)0, &__gcc_unwind_dbase);\n"); +#else fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n"); +#endif fprintf (stream, "\t}\n"); fprintf (stream, "static void dereg_frame () {\n"); @@ -2878,7 +2889,16 @@ scan_prog_file (const char *prog_name, scanpass which_pass, provides an explicit export list. */ if (shared_obj && !is_shared && which_pass == PASS_OBJ && !export_flag) - add_to_list (&exports, name); + { + /* Do not auto-export __dso_handle or + __gcc_unwind_dbase. They are required + to be local to each module. */ + if (strcmp(name, "__dso_handle") != 0 + && strcmp(name, "__gcc_unwind_dbase") != 0) + { + add_to_list (&exports, name); + } + } #endif continue; } |