diff options
Diffstat (limited to 'contrib/binutils/ld/emultempl/ppc32elf.em')
| -rw-r--r-- | contrib/binutils/ld/emultempl/ppc32elf.em | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/contrib/binutils/ld/emultempl/ppc32elf.em b/contrib/binutils/ld/emultempl/ppc32elf.em index 10f9107..b0239e0 100644 --- a/contrib/binutils/ld/emultempl/ppc32elf.em +++ b/contrib/binutils/ld/emultempl/ppc32elf.em @@ -1,5 +1,5 @@ # This shell script emits a C file. -*- C -*- -# Copyright 2003, 2005 Free Software Foundation, Inc. +# Copyright 2003, 2005, 2007 Free Software Foundation, Inc. # # This file is part of GLD, the Gnu Linker. # @@ -45,7 +45,7 @@ static int notlsopt = 0; static int emit_stub_syms = 0; /* Chooses the correct place for .plt and .got. */ -static int old_plt = 0; +static enum ppc_elf_plt_type plt_style = PLT_UNSET; static int old_got = 0; static void @@ -62,7 +62,7 @@ ppc_after_open (void) lang_output_section_statement_type *got_os[2]; emit_stub_syms |= link_info.emitrelocations; - new_plt = ppc_elf_select_plt_layout (output_bfd, &link_info, old_plt, + new_plt = ppc_elf_select_plt_layout (output_bfd, &link_info, plt_style, emit_stub_syms); if (new_plt < 0) einfo ("%X%P: select_plt_layout problem %E\n"); @@ -124,19 +124,40 @@ ppc_before_allocation (void) EOF +if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then + cat >>e${EMULATION_NAME}.c <<EOF +/* Special handling for embedded SPU executables. */ +extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *); +static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *); + +static bfd_boolean +ppc_recognized_file (lang_input_statement_type *entry) +{ + if (embedded_spu_file (entry, "-m32")) + return TRUE; + + return gld${EMULATION_NAME}_load_symbols (entry); +} + +EOF +LDEMUL_RECOGNIZED_FILE=ppc_recognized_file +fi + # Define some shell vars to insert bits of code into the standard elf # parse_args and list_options functions. # PARSE_AND_LIST_PROLOGUE=' #define OPTION_NO_TLS_OPT 301 -#define OPTION_OLD_PLT 302 -#define OPTION_OLD_GOT 303 -#define OPTION_STUBSYMS 304 +#define OPTION_NEW_PLT 302 +#define OPTION_OLD_PLT 303 +#define OPTION_OLD_GOT 304 +#define OPTION_STUBSYMS 305 ' PARSE_AND_LIST_LONGOPTS=' { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS }, { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT }, + { "secure-plt", no_argument, NULL, OPTION_NEW_PLT }, { "bss-plt", no_argument, NULL, OPTION_OLD_PLT }, { "sdata-got", no_argument, NULL, OPTION_OLD_GOT }, ' @@ -145,6 +166,7 @@ PARSE_AND_LIST_OPTIONS=' fprintf (file, _("\ --emit-stub-syms Label linker stubs with a symbol.\n\ --no-tls-optimize Don'\''t try to optimize TLS accesses.\n\ + --secure-plt Use new-style PLT if possible.\n\ --bss-plt Force old-style BSS PLT.\n\ --sdata-got Force GOT location just before .sdata.\n" )); @@ -159,8 +181,12 @@ PARSE_AND_LIST_ARGS_CASES=' notlsopt = 1; break; + case OPTION_NEW_PLT: + plt_style = PLT_NEW; + break; + case OPTION_OLD_PLT: - old_plt = 1; + plt_style = PLT_OLD; break; case OPTION_OLD_GOT: |
