diff options
Diffstat (limited to 'ld')
-rw-r--r-- | ld/ChangeLog | 10 | ||||
-rw-r--r-- | ld/emultempl/ppc64elf.em | 65 | ||||
-rw-r--r-- | ld/testsuite/ld-powerpc/elfv2so.d | 2 | ||||
-rw-r--r-- | ld/testsuite/ld-powerpc/powerpc.exp | 2 | ||||
-rw-r--r-- | ld/testsuite/ld-powerpc/tlsopt5.d | 4 |
5 files changed, 57 insertions, 26 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index da03e3a..e2d5496 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,13 @@ +2017-06-01 Alan Modra <amodra@gmail.com> + + * emultempl/ppc64elf.em (params): Init plt_localentry0 field. + (enum ppc64_opt): New, replacing OPTION_* defines. Add + OPTION_PLT_LOCALENTRY, and OPTION_NO_PLT_LOCALENTRY. + (PARSE_AND_LIST_*): Support --plt-localentry and --no-plt-localentry. + * testsuite/ld-powerpc/elfv2so.d: Update. + * testsuite/ld-powerpc/powerpc.exp (TLS opt 5): Use --no-plt-localentry. + * testsuite/ld-powerpc/tlsopt5.d: Update. + 2017-05-31 Alan Modra <amodra@gmail.com> * emultempl/ppc64elf.em (plt-static-chain help): Fix quoting. diff --git a/ld/emultempl/ppc64elf.em b/ld/emultempl/ppc64elf.em index f1d5274..58cb798 100644 --- a/ld/emultempl/ppc64elf.em +++ b/ld/emultempl/ppc64elf.em @@ -38,7 +38,7 @@ static struct ppc64_elf_params params = { NULL, &ppc_layout_sections_again, 1, -1, 0, ${DEFAULT_PLT_STATIC_CHAIN-0}, -1, 0, - 0, -1, -1, 0}; + -1, 0, -1, -1, 0}; /* Fake input file for stubs. */ static lang_input_statement_type *stub_file; @@ -683,27 +683,32 @@ fi # parse_args and list_options functions. # PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}' -#define OPTION_STUBGROUP_SIZE 321 -#define OPTION_PLT_STATIC_CHAIN (OPTION_STUBGROUP_SIZE + 1) -#define OPTION_NO_PLT_STATIC_CHAIN (OPTION_PLT_STATIC_CHAIN + 1) -#define OPTION_PLT_THREAD_SAFE (OPTION_NO_PLT_STATIC_CHAIN + 1) -#define OPTION_NO_PLT_THREAD_SAFE (OPTION_PLT_THREAD_SAFE + 1) -#define OPTION_PLT_ALIGN (OPTION_NO_PLT_THREAD_SAFE + 1) -#define OPTION_NO_PLT_ALIGN (OPTION_PLT_ALIGN + 1) -#define OPTION_STUBSYMS (OPTION_NO_PLT_ALIGN + 1) -#define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1) -#define OPTION_SAVRES (OPTION_NO_STUBSYMS + 1) -#define OPTION_NO_SAVRES (OPTION_SAVRES + 1) -#define OPTION_DOTSYMS (OPTION_NO_SAVRES + 1) -#define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1) -#define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1) -#define OPTION_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1) -#define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_TLS_GET_ADDR_OPT + 1) -#define OPTION_NO_OPD_OPT (OPTION_NO_TLS_GET_ADDR_OPT + 1) -#define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1) -#define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1) -#define OPTION_NO_TOC_SORT (OPTION_NO_MULTI_TOC + 1) -#define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_TOC_SORT + 1) +enum ppc64_opt +{ + OPTION_STUBGROUP_SIZE = 321, + OPTION_PLT_STATIC_CHAIN, + OPTION_NO_PLT_STATIC_CHAIN, + OPTION_PLT_THREAD_SAFE, + OPTION_NO_PLT_THREAD_SAFE, + OPTION_PLT_ALIGN, + OPTION_NO_PLT_ALIGN, + OPTION_PLT_LOCALENTRY, + OPTION_NO_PLT_LOCALENTRY, + OPTION_STUBSYMS, + OPTION_NO_STUBSYMS, + OPTION_SAVRES, + OPTION_NO_SAVRES, + OPTION_DOTSYMS, + OPTION_NO_DOTSYMS, + OPTION_NO_TLS_OPT, + OPTION_TLS_GET_ADDR_OPT, + OPTION_NO_TLS_GET_ADDR_OPT, + OPTION_NO_OPD_OPT, + OPTION_NO_TOC_OPT, + OPTION_NO_MULTI_TOC, + OPTION_NO_TOC_SORT, + OPTION_NON_OVERLAPPING_OPD +}; ' PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}' @@ -714,6 +719,8 @@ PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}' { "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE }, { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN }, { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN }, + { "plt-localentry", optional_argument, NULL, OPTION_PLT_LOCALENTRY }, + { "no-plt-localentry", no_argument, NULL, OPTION_NO_PLT_LOCALENTRY }, { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS }, { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS }, { "dotsyms", no_argument, NULL, OPTION_DOTSYMS }, @@ -760,6 +767,12 @@ PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}' --no-plt-align Dont'\''t align individual PLT call stubs.\n" )); fprintf (file, _("\ + --plt-localentry Optimize calls to ELFv2 localentry:0 functions.\n" + )); + fprintf (file, _("\ + --no-plt-localentry Don'\''t optimize ELFv2 calls.\n" + )); + fprintf (file, _("\ --emit-stub-syms Label linker stubs with a symbol.\n" )); fprintf (file, _("\ @@ -852,6 +865,14 @@ PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LIST_ARGS_CASES}' params.plt_stub_align = 0; break; + case OPTION_PLT_LOCALENTRY: + params.plt_localentry0 = 1; + break; + + case OPTION_NO_PLT_LOCALENTRY: + params.plt_localentry0 = 0; + break; + case OPTION_STUBSYMS: params.emit_stub_syms = 1; break; diff --git a/ld/testsuite/ld-powerpc/elfv2so.d b/ld/testsuite/ld-powerpc/elfv2so.d index d6f0b7d..f3962ac 100644 --- a/ld/testsuite/ld-powerpc/elfv2so.d +++ b/ld/testsuite/ld-powerpc/elfv2so.d @@ -57,6 +57,7 @@ Disassembly of section \.text: .*: (7c 08 02 a6|a6 02 08 7c) mflr r0 .*: (42 9f 00 05|05 00 9f 42) bcl .* .*: (7d 68 02 a6|a6 02 68 7d) mflr r11 +.*: (18 00 41 f8|f8 41 00 18) std r2,24\(r1\) .*: (e8 4b ff f0|f0 ff 4b e8) ld r2,-16\(r11\) .*: (7c 08 03 a6|a6 03 08 7c) mtlr r0 .*: (7d 8b 60 50|50 60 8b 7d) subf r12,r11,r12 @@ -67,7 +68,6 @@ Disassembly of section \.text: .*: (7d 89 03 a6|a6 03 89 7d) mtctr r12 .*: (e9 6b 00 08|08 00 6b e9) ld r11,8\(r11\) .*: (4e 80 04 20|20 04 80 4e) bctr -.*: (60 00 00 00|00 00 00 60) nop .* <f3@plt>: .*: (4b ff ff c8|c8 ff ff 4b) b .* <__glink_PLTresolve> diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp index 5350235..f12e413 100644 --- a/ld/testsuite/ld-powerpc/powerpc.exp +++ b/ld/testsuite/ld-powerpc/powerpc.exp @@ -210,7 +210,7 @@ set ppc64elftests { "tlsopt4"} {"TLS DLL" "-shared -melf64ppc --version-script tlsdll.ver" "" "-a64" {tlsdll.s} {} "tlsdll.so"} - {"TLS opt 5" "-melf64ppc --gc-sections tmpdir/tlsdll.so" "" "-a64" {tlsopt5.s} + {"TLS opt 5" "-melf64ppc --gc-sections --no-plt-localentry tmpdir/tlsdll.so" "" "-a64" {tlsopt5.s} {{objdump -dr tlsopt5.d}} "tlsopt5"} {"sym@tocbase" "-shared -melf64ppc" "" "-a64" {symtocbase-1.s symtocbase-2.s} diff --git a/ld/testsuite/ld-powerpc/tlsopt5.d b/ld/testsuite/ld-powerpc/tlsopt5.d index 7b17130..b356a2e 100644 --- a/ld/testsuite/ld-powerpc/tlsopt5.d +++ b/ld/testsuite/ld-powerpc/tlsopt5.d @@ -1,6 +1,6 @@ #source: tlsopt5.s #as: -a64 -#ld: --gc-sections tlsdll.so +#ld: --gc-sections --no-plt-localentry tlsdll.so #objdump: -dr #target: powerpc64*-*-* @@ -38,6 +38,7 @@ Disassembly of section \.text: .*: (a6 02 08 7c|7c 08 02 a6) mflr r0 .*: (05 00 9f 42|42 9f 00 05) bcl .* .*: (a6 02 68 7d|7d 68 02 a6) mflr r11 +.*: (18 00 41 f8|f8 41 00 18) std r2,24\(r1\) .*: (f0 ff 4b e8|e8 4b ff f0) ld r2,-16\(r11\) .*: (a6 03 08 7c|7c 08 03 a6) mtlr r0 .*: (50 60 8b 7d|7d 8b 60 50) subf r12,r11,r12 @@ -48,7 +49,6 @@ Disassembly of section \.text: .*: (a6 03 89 7d|7d 89 03 a6) mtctr r12 .*: (08 00 6b e9|e9 6b 00 08) ld r11,8\(r11\) .*: (20 04 80 4e|4e 80 04 20) bctr -.*: (00 00 00 60|60 00 00 00) nop 0000000010000390 <__tls_get_addr_opt@plt>: .*: (c8 ff ff 4b|4b ff ff c8) b .* |