diff options
Diffstat (limited to 'ld/emultempl/elf32.em')
| -rw-r--r-- | ld/emultempl/elf32.em | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em index 00805d5..b2d2a7c 100644 --- a/ld/emultempl/elf32.em +++ b/ld/emultempl/elf32.em @@ -1428,6 +1428,29 @@ if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then cat >>e${EMULATION_NAME}.c <<EOF static void +gld${EMULATION_NAME}_provide_bound_symbols (const char *sec, + const char *start, + const char *end) +{ + asection *s; + bfd_vma start_val, end_val; + + s = bfd_get_section_by_name (output_bfd, sec); + if (s != NULL) + { + start_val = s->vma; + end_val = start_val + s->size; + } + else + { + start_val = 0; + end_val = 0; + } + _bfd_elf_provide_symbol (&link_info, start, start_val); + _bfd_elf_provide_symbol (&link_info, end, end_val); +} + +static void gld${EMULATION_NAME}_finish (void) { if (bfd_elf_discard_info (output_bfd, &link_info)) @@ -1472,6 +1495,34 @@ gld${EMULATION_NAME}_finish (void) } } } + + /* If not building shared library, provide + + __preinit_array_start + __preinit_array_end + __init_array_start + __init_array_end + __fini_array_start + __fini_array_end + + They are set here rather than via PROVIDE in the linker + script, because using PROVIDE inside an output section + statement results in unnecessary output sections. Using + PROVIDE outside an output section statement runs the risk of + section alignment affecting where the section starts. */ + + if (!link_info.shared) + { + gld${EMULATION_NAME}_provide_bound_symbols + (".preinit_array", "__preinit_array_start", + "__preinit_array_end"); + gld${EMULATION_NAME}_provide_bound_symbols + (".init_array", "__init_array_start", + "__init_array_end"); + gld${EMULATION_NAME}_provide_bound_symbols + (".fini_array", "__fini_array_start", + "__fini_array_end"); + } } } EOF |