diff options
Diffstat (limited to 'ld/emultempl/ppc64elf.em')
| -rw-r--r-- | ld/emultempl/ppc64elf.em | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/ld/emultempl/ppc64elf.em b/ld/emultempl/ppc64elf.em index 0c99592..a57861b 100644 --- a/ld/emultempl/ppc64elf.em +++ b/ld/emultempl/ppc64elf.em @@ -61,6 +61,9 @@ static int no_multi_toc = 0; /* Whether to sort input toc and got sections. */ static int no_toc_sort = 0; +/* Set if PLT call stubs should load r11. */ +static int plt_static_chain = 0; + /* Whether to emit symbols for stubs. */ static int emit_stub_syms = -1; @@ -500,7 +503,7 @@ gld${EMULATION_NAME}_after_allocation (void) einfo ("%P: .init/.fini fragments use differing TOC pointers\n"); /* Call into the BFD backend to do the real work. */ - if (!ppc64_elf_size_stubs (&link_info, group_size)) + if (!ppc64_elf_size_stubs (&link_info, group_size, plt_static_chain)) einfo ("%X%P: can not size stub section: %E\n"); } } @@ -651,7 +654,9 @@ fi # PARSE_AND_LIST_PROLOGUE=' #define OPTION_STUBGROUP_SIZE 301 -#define OPTION_STUBSYMS (OPTION_STUBGROUP_SIZE + 1) +#define OPTION_PLT_STATIC_CHAIN (OPTION_STUBGROUP_SIZE + 1) +#define OPTION_NO_PLT_STATIC_CHAIN (OPTION_PLT_STATIC_CHAIN + 1) +#define OPTION_STUBSYMS (OPTION_NO_PLT_STATIC_CHAIN + 1) #define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1) #define OPTION_DOTSYMS (OPTION_NO_STUBSYMS + 1) #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1) @@ -666,6 +671,8 @@ PARSE_AND_LIST_PROLOGUE=' PARSE_AND_LIST_LONGOPTS=' { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE }, + { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN }, + { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN }, { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS }, { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS }, { "dotsyms", no_argument, NULL, OPTION_DOTSYMS }, @@ -691,6 +698,12 @@ PARSE_AND_LIST_OPTIONS=' choose suitable defaults.\n" )); fprintf (file, _("\ + --plt-static-chain PLT call stubs should load r11.\n" + )); + fprintf (file, _("\ + --no-plt-static-chain PLT call stubs should not load r11. (default)\n" + )); + fprintf (file, _("\ --emit-stub-syms Label linker stubs with a symbol.\n" )); fprintf (file, _("\ @@ -739,6 +752,14 @@ PARSE_AND_LIST_ARGS_CASES=' } break; + case OPTION_PLT_STATIC_CHAIN: + plt_static_chain = 1; + break; + + case OPTION_NO_PLT_STATIC_CHAIN: + plt_static_chain = 0; + break; + case OPTION_STUBSYMS: emit_stub_syms = 1; break; |