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author | Alan Modra <amodra@gmail.com> | 2011-07-14 02:38:43 +0000 |
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committer | Alan Modra <amodra@gmail.com> | 2011-07-14 02:38:43 +0000 |
commit | fb42df5ed908e2bb9ce52a389981ea8b1c97cdf8 (patch) | |
tree | dd2e25fbbef27a1c00d15405dcf871d3aba603d6 | |
parent | e9552f7ebbcd2438fe50dbf1fb4b1926c96adb75 (diff) | |
download | gdb-fb42df5ed908e2bb9ce52a389981ea8b1c97cdf8.zip gdb-fb42df5ed908e2bb9ce52a389981ea8b1c97cdf8.tar.gz gdb-fb42df5ed908e2bb9ce52a389981ea8b1c97cdf8.tar.bz2 |
* emultempl/elf32.em (gld${EMULATION_NAME}_add_options,
gld${EMULATION_NAME}_handle_option, gld${EMULATION_NAME}_list_options):
Provide --build-id, -z defs, -z muldefs, -z max-page-size,
-z common-page-size, -z execstack, -z noexecstack for all targets.
Add help for --exclude-libs.
(OPTION_LD_GENERATED_UNWIND_INFO,
OPTION_NO_LD_GENERATED_UNWIND_INFO): Move this..
(gld${EMULATION_NAME}_handle_option): ..and code handling
--ld-generated-unwind-info and --no-ld-generated-unwind-info..
* emulparams/plt_unwind.sh: ..to here. New file. Add help.
* emulparams/elf32_x86_64.sh: Include plt_unwind.sh.
* emulparams/elf_i386.sh: Likewise.
* emulparams/elf_i386_chaos.sh: Likewise.
* emulparams/elf_i386_ldso.sh: Likewise.
* emulparams/elf_l1om.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
-rw-r--r-- | ld/ChangeLog | 23 | ||||
-rw-r--r-- | ld/emulparams/elf32_x86_64.sh | 1 | ||||
-rw-r--r-- | ld/emulparams/elf_i386.sh | 1 | ||||
-rw-r--r-- | ld/emulparams/elf_i386_chaos.sh | 1 | ||||
-rw-r--r-- | ld/emulparams/elf_i386_ldso.sh | 1 | ||||
-rw-r--r-- | ld/emulparams/elf_l1om.sh | 1 | ||||
-rw-r--r-- | ld/emulparams/elf_x86_64.sh | 1 | ||||
-rw-r--r-- | ld/emulparams/plt_unwind.sh | 28 | ||||
-rw-r--r-- | ld/emultempl/elf32.em | 192 |
9 files changed, 159 insertions, 90 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index fbbb5bd..a14588d 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,22 @@ +2011-07-14 Alan Modra <amodra@gmail.com> + + * emultempl/elf32.em (gld${EMULATION_NAME}_add_options, + gld${EMULATION_NAME}_handle_option, gld${EMULATION_NAME}_list_options): + Provide --build-id, -z defs, -z muldefs, -z max-page-size, + -z common-page-size, -z execstack, -z noexecstack for all targets. + Add help for --exclude-libs. + (OPTION_LD_GENERATED_UNWIND_INFO, + OPTION_NO_LD_GENERATED_UNWIND_INFO): Move this.. + (gld${EMULATION_NAME}_handle_option): ..and code handling + --ld-generated-unwind-info and --no-ld-generated-unwind-info.. + * emulparams/plt_unwind.sh: ..to here. New file. Add help. + * emulparams/elf32_x86_64.sh: Include plt_unwind.sh. + * emulparams/elf_i386.sh: Likewise. + * emulparams/elf_i386_chaos.sh: Likewise. + * emulparams/elf_i386_ldso.sh: Likewise. + * emulparams/elf_l1om.sh: Likewise. + * emulparams/elf_x86_64.sh: Likewise. + 2011-07-11 Catherine Moore <clm@codesourcery.com> * ld.h (section_flag_list): Add field to struct wildcard_spec. @@ -12,7 +31,7 @@ * ldlang.c (walk_wild_consider_section): Initialize section_flag_info field of the section struct. (lang_add_section): Check input section flags. - (lang_add_wild): Initialize section_flag_list field of + (lang_add_wild): Initialize section_flag_list field of the statement struct. * ldlang.h (lang_input_statement_struct): Add section_flag_list field. (lang_wild_statement_struct): Likewise. @@ -404,7 +423,7 @@ 2011-03-31 H.J. Lu <hongjiu.lu@intel.com> * configure.tgt: Add elf_l1om to targ_extra_libpath for - x86_64-*-linux-*. + x86_64-*-linux-*. * emulparams/elf_l1om.sh: Remove duplicates. diff --git a/ld/emulparams/elf32_x86_64.sh b/ld/emulparams/elf32_x86_64.sh index 8895e29..d26a67f 100644 --- a/ld/emulparams/elf32_x86_64.sh +++ b/ld/emulparams/elf32_x86_64.sh @@ -1,3 +1,4 @@ +. ${srcdir}/emulparams/plt_unwind.sh SCRIPT_NAME=elf ELFSIZE=32 OUTPUT_FORMAT="elf32-x86-64" diff --git a/ld/emulparams/elf_i386.sh b/ld/emulparams/elf_i386.sh index d480811..1d1e4b4 100644 --- a/ld/emulparams/elf_i386.sh +++ b/ld/emulparams/elf_i386.sh @@ -1,3 +1,4 @@ +. ${srcdir}/emulparams/plt_unwind.sh SCRIPT_NAME=elf OUTPUT_FORMAT="elf32-i386" NO_RELA_RELOCS=yes diff --git a/ld/emulparams/elf_i386_chaos.sh b/ld/emulparams/elf_i386_chaos.sh index 1322174..b3005e1 100644 --- a/ld/emulparams/elf_i386_chaos.sh +++ b/ld/emulparams/elf_i386_chaos.sh @@ -1,3 +1,4 @@ +. ${srcdir}/emulparams/plt_unwind.sh SCRIPT_NAME=elf_chaos OUTPUT_FORMAT="elf32-i386" TEXT_START_ADDR=0x40000000 diff --git a/ld/emulparams/elf_i386_ldso.sh b/ld/emulparams/elf_i386_ldso.sh index 4b0d3fb..183731d 100644 --- a/ld/emulparams/elf_i386_ldso.sh +++ b/ld/emulparams/elf_i386_ldso.sh @@ -1,3 +1,4 @@ +. ${srcdir}/emulparams/plt_unwind.sh SCRIPT_NAME=elf OUTPUT_FORMAT="elf32-i386" NO_RELA_RELOCS=yes diff --git a/ld/emulparams/elf_l1om.sh b/ld/emulparams/elf_l1om.sh index 1af2360..1d22d69 100644 --- a/ld/emulparams/elf_l1om.sh +++ b/ld/emulparams/elf_l1om.sh @@ -1,3 +1,4 @@ +. ${srcdir}/emulparams/plt_unwind.sh SCRIPT_NAME=elf ELFSIZE=64 OUTPUT_FORMAT="elf64-l1om" diff --git a/ld/emulparams/elf_x86_64.sh b/ld/emulparams/elf_x86_64.sh index 0e93ad8..a921878 100644 --- a/ld/emulparams/elf_x86_64.sh +++ b/ld/emulparams/elf_x86_64.sh @@ -1,3 +1,4 @@ +. ${srcdir}/emulparams/plt_unwind.sh SCRIPT_NAME=elf ELFSIZE=64 OUTPUT_FORMAT="elf64-x86-64" diff --git a/ld/emulparams/plt_unwind.sh b/ld/emulparams/plt_unwind.sh new file mode 100644 index 0000000..c832570 --- /dev/null +++ b/ld/emulparams/plt_unwind.sh @@ -0,0 +1,28 @@ +PARSE_AND_LIST_PROLOGUE=' +#define OPTION_LD_GENERATED_UNWIND_INFO 301 +#define OPTION_NO_LD_GENERATED_UNWIND_INFO 302 +' + +PARSE_AND_LIST_LONGOPTS=' + {"ld-generated-unwind-info", no_argument, NULL, + OPTION_LD_GENERATED_UNWIND_INFO}, + {"no-ld-generated-unwind-info", no_argument, NULL, + OPTION_NO_LD_GENERATED_UNWIND_INFO}, +' + +PARSE_AND_LIST_OPTIONS=' + fprintf (file, _("\ + --ld-generated-unwind-info Generate exception handling info for PLT.\n\ + --no-ld-generated-unwind-info Don'\''t do so.\n" + )); +' + +PARSE_AND_LIST_ARGS_CASES=' + case OPTION_LD_GENERATED_UNWIND_INFO: + link_info.no_ld_generated_unwind_info = FALSE; + break; + + case OPTION_NO_LD_GENERATED_UNWIND_INFO: + link_info.no_ld_generated_unwind_info = TRUE; + break; +' diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em index 2453e58..16cbaa4 100644 --- a/ld/emultempl/elf32.em +++ b/ld/emultempl/elf32.em @@ -2106,8 +2106,6 @@ EOF fi fi -if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then - if test -n "$PARSE_AND_LIST_PROLOGUE" ; then fragment <<EOF $PARSE_AND_LIST_PROLOGUE @@ -2124,42 +2122,49 @@ fragment <<EOF #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) #define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1) #define OPTION_AUDIT (OPTION_BUILD_ID + 1) -#define OPTION_LD_GENERATED_UNWIND_INFO (OPTION_AUDIT + 1) -#define OPTION_NO_LD_GENERATED_UNWIND_INFO (OPTION_LD_GENERATED_UNWIND_INFO + 1) static void gld${EMULATION_NAME}_add_options (int ns, char **shortopts, int nl, struct option **longopts, int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) { +EOF +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; +EOF +else +fragment <<EOF + static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; +EOF +fi +fragment <<EOF static const struct option xtra_long[] = { - {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, +EOF +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF {"audit", required_argument, NULL, OPTION_AUDIT}, - {"depaudit", required_argument, NULL, 'P'}, + {"Bgroup", no_argument, NULL, OPTION_GROUP}, +EOF +fi +fragment <<EOF + {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, EOF - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then fragment <<EOF + {"depaudit", required_argument, NULL, 'P'}, {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, - {"ld-generated-unwind-info", no_argument, NULL, - OPTION_LD_GENERATED_UNWIND_INFO}, - {"no-ld-generated-unwind-info", no_argument, NULL, - OPTION_NO_LD_GENERATED_UNWIND_INFO}, - {"Bgroup", no_argument, NULL, OPTION_GROUP}, EOF fi - if test -n "$PARSE_AND_LIST_LONGOPTS" ; then fragment <<EOF $PARSE_AND_LIST_LONGOPTS EOF fi - fragment <<EOF {NULL, no_argument, NULL, 0} }; @@ -2192,17 +2197,19 @@ gld${EMULATION_NAME}_handle_option (int optc) if (strcmp (optarg, "none")) link_info.emit_note_gnu_build_id = xstrdup (optarg); break; + +EOF + +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF case OPTION_AUDIT: gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); break; + case 'P': gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); break; -EOF - -if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then -fragment <<EOF case OPTION_DISABLE_NEW_DTAGS: link_info.new_dtags = FALSE; break; @@ -2215,14 +2222,6 @@ fragment <<EOF link_info.eh_frame_hdr = TRUE; break; - case OPTION_LD_GENERATED_UNWIND_INFO: - link_info.no_ld_generated_unwind_info = FALSE; - break; - - case OPTION_NO_LD_GENERATED_UNWIND_INFO: - link_info.no_ld_generated_unwind_info = TRUE; - break; - case OPTION_GROUP: link_info.flags_1 |= (bfd_vma) DF_1_GROUP; /* Groups must be self-contained. */ @@ -2250,8 +2249,46 @@ fragment <<EOF einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); break; +EOF +fi +fragment <<EOF case 'z': - if (strcmp (optarg, "initfirst") == 0) + if (strcmp (optarg, "defs") == 0) + link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; + else if (strcmp (optarg, "muldefs") == 0) + link_info.allow_multiple_definition = TRUE; + else if (CONST_STRNEQ (optarg, "max-page-size=")) + { + char *end; + + config.maxpagesize = strtoul (optarg + 14, &end, 0); + if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) + einfo (_("%P%F: invalid maxium page size \`%s'\n"), + optarg + 14); + } + else if (CONST_STRNEQ (optarg, "common-page-size=")) + { + char *end; + config.commonpagesize = strtoul (optarg + 17, &end, 0); + if (*end + || (config.commonpagesize & (config.commonpagesize - 1)) != 0) + einfo (_("%P%F: invalid common page size \`%s'\n"), + optarg + 17); + } + else if (strcmp (optarg, "execstack") == 0) + { + link_info.execstack = TRUE; + link_info.noexecstack = FALSE; + } + else if (strcmp (optarg, "noexecstack") == 0) + { + link_info.noexecstack = TRUE; + link_info.execstack = FALSE; + } +EOF +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF + else if (strcmp (optarg, "initfirst") == 0) link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; else if (strcmp (optarg, "interpose") == 0) link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; @@ -2280,26 +2317,12 @@ fragment <<EOF link_info.flags |= (bfd_vma) DF_ORIGIN; link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; } - else if (strcmp (optarg, "defs") == 0) - link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; - else if (strcmp (optarg, "muldefs") == 0) - link_info.allow_multiple_definition = TRUE; else if (strcmp (optarg, "combreloc") == 0) link_info.combreloc = TRUE; else if (strcmp (optarg, "nocombreloc") == 0) link_info.combreloc = FALSE; else if (strcmp (optarg, "nocopyreloc") == 0) link_info.nocopyreloc = TRUE; - else if (strcmp (optarg, "execstack") == 0) - { - link_info.execstack = TRUE; - link_info.noexecstack = FALSE; - } - else if (strcmp (optarg, "noexecstack") == 0) - { - link_info.noexecstack = TRUE; - link_info.execstack = FALSE; - } EOF if test -n "$COMMONPAGESIZE"; then @@ -2310,30 +2333,13 @@ fragment <<EOF link_info.relro = FALSE; EOF fi +fi fragment <<EOF - else if (CONST_STRNEQ (optarg, "max-page-size=")) - { - char *end; - - config.maxpagesize = strtoul (optarg + 14, &end, 0); - if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) - einfo (_("%P%F: invalid maxium page size \`%s'\n"), - optarg + 14); - } - else if (CONST_STRNEQ (optarg, "common-page-size=")) - { - char *end; - config.commonpagesize = strtoul (optarg + 17, &end, 0); - if (*end - || (config.commonpagesize & (config.commonpagesize - 1)) != 0) - einfo (_("%P%F: invalid common page size \`%s'\n"), - optarg + 17); - } - /* What about the other Solaris -z options? FIXME. */ + else + einfo (_("%P: warning: -z %s ignored.\n"), optarg); break; EOF -fi if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then fragment <<EOF @@ -2355,19 +2361,24 @@ fragment <<EOF static void gld${EMULATION_NAME}_list_options (FILE * file) { - fprintf (file, _("\ - --build-id[=STYLE] Generate build ID note\n")); +EOF +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF fprintf (file, _("\ --audit=AUDITLIB Specify a library to use for auditing\n")); fprintf (file, _("\ - -P AUDITLIB, --depaudit=AUDITLIB\n" "\ - Specify a library to use for auditing dependencies\n")); + -Bgroup Selects group name lookup rules for DSO\n")); +EOF +fi +fragment <<EOF + fprintf (file, _("\ + --build-id[=STYLE] Generate build ID note\n")); EOF - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then fragment <<EOF fprintf (file, _("\ - -Bgroup Selects group name lookup rules for DSO\n")); + -P AUDITLIB, --depaudit=AUDITLIB\n" "\ + Specify a library to use for auditing dependencies\n")); fprintf (file, _("\ --disable-new-dtags Disable new dynamic tags\n")); fprintf (file, _("\ @@ -2375,13 +2386,25 @@ fragment <<EOF fprintf (file, _("\ --eh-frame-hdr Create .eh_frame_hdr section\n")); fprintf (file, _("\ + --exclude-libs=LIBS Make all symbols in LIBS hidden\n")); + fprintf (file, _("\ --hash-style=STYLE Set hash style to sysv, gnu or both\n")); fprintf (file, _("\ -z combreloc Merge dynamic relocs into one section and sort\n")); +EOF +fi + +fragment <<EOF + fprintf (file, _("\ + -z common-page-size=SIZE Set common page size to SIZE\n")); fprintf (file, _("\ -z defs Report unresolved symbols in object files.\n")); fprintf (file, _("\ -z execstack Mark executable as requiring executable stack\n")); +EOF + +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF fprintf (file, _("\ -z initfirst Mark DSO to be initialized first at runtime\n")); fprintf (file, _("\ @@ -2390,8 +2413,18 @@ fragment <<EOF -z lazy Mark object lazy runtime binding (default)\n")); fprintf (file, _("\ -z loadfltr Mark object requiring immediate process\n")); +EOF +fi + +fragment <<EOF + fprintf (file, _("\ + -z max-page-size=SIZE Set maximum page size to SIZE\n")); fprintf (file, _("\ -z muldefs Allow multiple definitions\n")); +EOF + +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then +fragment <<EOF fprintf (file, _("\ -z nocombreloc Don't merge dynamic relocs into one section\n")); fprintf (file, _("\ @@ -2404,10 +2437,13 @@ fragment <<EOF -z nodlopen Mark DSO not available to dlopen\n")); fprintf (file, _("\ -z nodump Mark DSO not available to dldump\n")); +EOF +fi +fragment <<EOF fprintf (file, _("\ -z noexecstack Mark executable as not requiring executable stack\n")); EOF - +if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then if test -n "$COMMONPAGESIZE"; then fragment <<EOF fprintf (file, _("\ @@ -2429,15 +2465,6 @@ fragment <<EOF -z relro Create RELRO program header\n")); EOF fi - -fragment <<EOF - fprintf (file, _("\ - -z max-page-size=SIZE Set maximum page size to SIZE\n")); - fprintf (file, _("\ - -z common-page-size=SIZE Set common page size to SIZE\n")); - fprintf (file, _("\ - -z KEYWORD Ignored for Solaris compatibility\n")); -EOF fi if test -n "$PARSE_AND_LIST_OPTIONS" ; then @@ -2456,17 +2483,6 @@ fragment <<EOF EOF fi fi -else -fragment <<EOF -#define gld${EMULATION_NAME}_add_options NULL -#define gld${EMULATION_NAME}_handle_option NULL -EOF -if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then -fragment <<EOF -#define gld${EMULATION_NAME}_list_options NULL -EOF -fi -fi fragment <<EOF |