From 6914be53bd662eefd979d0c82d2e20e108c4ee66 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 21 Apr 2020 05:33:04 -0700 Subject: [PATCH] gas: Extend .symver directive Extend .symver directive to update visibility of the original symbol and assign one original symbol to different versioned symbols: .symver foo, foo@VERS_1, local # Change foo to a local symbol. .symver foo, foo@VERS_2, hidden # Change foo to a hidden symbol. .symver foo, foo@@VERS_3, remove # Remove foo from symbol table. .symver foo, bar@V1 # Assign foo to bar@V1 and baz@V2. .symver foo, baz@V2 PR gas/23840 PR gas/25295 * NEWS: Mention .symver extension. * config/obj-elf.c (obj_elf_find_and_add_versioned_name): New function. (obj_elf_symver): Call obj_elf_find_and_add_versioned_name to add a version name. Add local, hidden and remove visibility support. (elf_frob_symbol): Handle the list of version names. Update the original symbol to local, hidden or remove it from the symbol table. (elf_frob_file_before_adjust): Handle the list of version names. * config/obj-elf.h (elf_visibility): New. (elf_versioned_name_list): Likewise. (elf_obj_sy): Change local to bitfield. Add rename, bad_version and visibility. Change versioned_name pointer to struct elf_versioned_name_list. * doc/as.texi: Update .symver directive. * testsuite/gas/symver/symver.exp: Run all *.d tests. Add more error checking tests. * testsuite/gas/symver/symver6.d: New file. * testsuite/gas/symver/symver7.d: Likewise. * testsuite/gas/symver/symver7.s: Likewise. * testsuite/gas/symver/symver8.d: Likewise. * testsuite/gas/symver/symver8.s: Likewise. * testsuite/gas/symver/symver9.s: Likewise. * testsuite/gas/symver/symver9a.d: Likewise. * testsuite/gas/symver/symver9b.d: Likewise. * testsuite/gas/symver/symver10.s: Likewise. * testsuite/gas/symver/symver10a.d: Likewise. * testsuite/gas/symver/symver10b.d: Likewise. * testsuite/gas/symver/symver11.d: Likewise. * testsuite/gas/symver/symver11.s: Likewise. * testsuite/gas/symver/symver12.d: Likewise. * testsuite/gas/symver/symver12.s: Likewise. * testsuite/gas/symver/symver13.d: Likewise. * testsuite/gas/symver/symver13.s: Likewise. * testsuite/gas/symver/symver14.d: Likewise. * testsuite/gas/symver/symver14.l: Likewise. * testsuite/gas/symver/symver15.d: Likewise. * testsuite/gas/symver/symver15.l: Likewise. * testsuite/gas/symver/symver6.l: Removed. * testsuite/gas/symver/symver6.s: Updated. --- gas/ChangeLog | 46 ++++ gas/NEWS | 3 + gas/config/obj-elf.c | 318 ++++++++++++++++++--------- gas/config/obj-elf.h | 29 ++- gas/doc/as.texi | 16 +- gas/testsuite/gas/symver/symver.exp | 12 +- gas/testsuite/gas/symver/symver10.s | 8 + gas/testsuite/gas/symver/symver10a.d | 8 + gas/testsuite/gas/symver/symver10b.d | 8 + gas/testsuite/gas/symver/symver11.d | 8 + gas/testsuite/gas/symver/symver11.s | 9 + gas/testsuite/gas/symver/symver12.d | 9 + gas/testsuite/gas/symver/symver12.s | 10 + gas/testsuite/gas/symver/symver13.d | 9 + gas/testsuite/gas/symver/symver13.s | 11 + gas/testsuite/gas/symver/symver14.l | 2 + gas/testsuite/gas/symver/symver14.s | 6 + gas/testsuite/gas/symver/symver15.l | 2 + gas/testsuite/gas/symver/symver15.s | 3 + gas/testsuite/gas/symver/symver6.d | 11 + gas/testsuite/gas/symver/symver6.l | 3 - gas/testsuite/gas/symver/symver6.s | 4 +- gas/testsuite/gas/symver/symver7.d | 8 + gas/testsuite/gas/symver/symver7.s | 8 + gas/testsuite/gas/symver/symver8.d | 9 + gas/testsuite/gas/symver/symver8.s | 8 + gas/testsuite/gas/symver/symver9.s | 8 + gas/testsuite/gas/symver/symver9a.d | 8 + gas/testsuite/gas/symver/symver9b.d | 8 + 29 files changed, 470 insertions(+), 122 deletions(-) create mode 100644 gas/testsuite/gas/symver/symver10.s create mode 100644 gas/testsuite/gas/symver/symver10a.d create mode 100644 gas/testsuite/gas/symver/symver10b.d create mode 100644 gas/testsuite/gas/symver/symver11.d create mode 100644 gas/testsuite/gas/symver/symver11.s create mode 100644 gas/testsuite/gas/symver/symver12.d create mode 100644 gas/testsuite/gas/symver/symver12.s create mode 100644 gas/testsuite/gas/symver/symver13.d create mode 100644 gas/testsuite/gas/symver/symver13.s create mode 100644 gas/testsuite/gas/symver/symver14.l create mode 100644 gas/testsuite/gas/symver/symver14.s create mode 100644 gas/testsuite/gas/symver/symver15.l create mode 100644 gas/testsuite/gas/symver/symver15.s create mode 100644 gas/testsuite/gas/symver/symver6.d delete mode 100644 gas/testsuite/gas/symver/symver6.l create mode 100644 gas/testsuite/gas/symver/symver7.d create mode 100644 gas/testsuite/gas/symver/symver7.s create mode 100644 gas/testsuite/gas/symver/symver8.d create mode 100644 gas/testsuite/gas/symver/symver8.s create mode 100644 gas/testsuite/gas/symver/symver9.s create mode 100644 gas/testsuite/gas/symver/symver9a.d create mode 100644 gas/testsuite/gas/symver/symver9b.d diff --git a/gas/ChangeLog b/gas/ChangeLog index f821f3d53a0..3185bdcf366 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,49 @@ +2020-04-21 H.J. Lu + + PR gas/23840 + PR gas/25295 + * NEWS: Mention .symver extension. + * config/obj-elf.c (obj_elf_find_and_add_versioned_name): New + function. + (obj_elf_symver): Call obj_elf_find_and_add_versioned_name to + add a version name. Add local, hidden and remove visibility + support. + (elf_frob_symbol): Handle the list of version names. Update the + original symbol to local, hidden or remove it from the symbol + table. + (elf_frob_file_before_adjust): Handle the list of version names. + * config/obj-elf.h (elf_visibility): New. + (elf_versioned_name_list): Likewise. + (elf_obj_sy): Change local to bitfield. Add rename, bad_version + and visibility. Change versioned_name pointer to struct + elf_versioned_name_list. + * doc/as.texi: Update .symver directive. + * testsuite/gas/symver/symver.exp: Run all *.d tests. Add more + error checking tests. + * testsuite/gas/symver/symver6.d: New file. + * testsuite/gas/symver/symver7.d: Likewise. + * testsuite/gas/symver/symver7.s: Likewise. + * testsuite/gas/symver/symver8.d: Likewise. + * testsuite/gas/symver/symver8.s: Likewise. + * testsuite/gas/symver/symver9.s: Likewise. + * testsuite/gas/symver/symver9a.d: Likewise. + * testsuite/gas/symver/symver9b.d: Likewise. + * testsuite/gas/symver/symver10.s: Likewise. + * testsuite/gas/symver/symver10a.d: Likewise. + * testsuite/gas/symver/symver10b.d: Likewise. + * testsuite/gas/symver/symver11.d: Likewise. + * testsuite/gas/symver/symver11.s: Likewise. + * testsuite/gas/symver/symver12.d: Likewise. + * testsuite/gas/symver/symver12.s: Likewise. + * testsuite/gas/symver/symver13.d: Likewise. + * testsuite/gas/symver/symver13.s: Likewise. + * testsuite/gas/symver/symver14.d: Likewise. + * testsuite/gas/symver/symver14.l: Likewise. + * testsuite/gas/symver/symver15.d: Likewise. + * testsuite/gas/symver/symver15.l: Likewise. + * testsuite/gas/symver/symver6.l: Removed. + * testsuite/gas/symver/symver6.s: Updated. + 2020-04-20 Sudakshina Das * config/tc-aarch64.c (parse_barrier_psb): Update error messages diff --git a/gas/NEWS b/gas/NEWS index 6748c179f15..58d79caa41d 100644 --- a/gas/NEWS +++ b/gas/NEWS @@ -1,5 +1,8 @@ -*- text -*- +* Extend .symver directive to update visibility of the original symbol + and assign one original symbol to different versioned symbols. + * Add support for Intel SERIALIZE and TSXLDTRK instructions. * Add -mlfence-after-load=, -mlfence-before-indirect-branch= and diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c index 5e7e8f08779..409ea4d6bed 100644 --- a/gas/config/obj-elf.c +++ b/gas/config/obj-elf.c @@ -1515,6 +1515,70 @@ obj_elf_line (int ignore ATTRIBUTE_UNUSED) demand_empty_rest_of_line (); } +static struct elf_versioned_name_list * +obj_elf_find_and_add_versioned_name (const char *version_name, + const char *sym_name, + const char *ver, + struct elf_obj_sy *sy_obj) +{ + struct elf_versioned_name_list *versioned_name; + const char *p; + + for (p = ver + 1; *p == ELF_VER_CHR; p++) + ; + + /* NB: Since some tests in ld/testsuite/ld-elfvers have no version + names, we have to disable this. */ + if (0 && *p == '\0') + { + as_bad (_("missing version name in `%s' for symbol `%s'"), + version_name, sym_name); + return NULL; + } + + versioned_name = sy_obj->versioned_name; + + switch (p - ver) + { + case 1: + case 2: + break; + case 3: + if (sy_obj->rename) + { + if (strcmp (versioned_name->name, version_name) == 0) + return versioned_name; + else + { + as_bad (_("only one version name with `@@@' is allowed " + "for symbol `%s'"), sym_name); + return NULL; + } + } + sy_obj->rename = TRUE; + break; + default: + as_bad (_("invalid version name '%s' for symbol `%s'"), + version_name, sym_name); + return NULL; + } + + for (; + versioned_name != NULL; + versioned_name = versioned_name->next) + if (strcmp (versioned_name->name, version_name) == 0) + return versioned_name; + + /* Add this versioned name to the head of the list, */ + versioned_name = (struct elf_versioned_name_list *) + xmalloc (sizeof (*versioned_name)); + versioned_name->name = xstrdup (version_name); + versioned_name->next = sy_obj->versioned_name; + sy_obj->versioned_name = versioned_name; + + return versioned_name; +} + /* This handles the .symver pseudo-op, which is used to specify a symbol version. The syntax is ``.symver NAME,SYMVERNAME''. SYMVERNAME may contain ELF_VER_CHR ('@') characters. This @@ -1525,9 +1589,12 @@ static void obj_elf_symver (int ignore ATTRIBUTE_UNUSED) { char *name; + const char *sym_name; char c; char old_lexat; symbolS *sym; + struct elf_obj_sy *sy_obj; + char *p; sym = get_sym_from_input_line_and_check (); @@ -1546,43 +1613,59 @@ obj_elf_symver (int ignore ATTRIBUTE_UNUSED) lex_type[(unsigned char) '@'] |= LEX_NAME; c = get_symbol_name (& name); lex_type[(unsigned char) '@'] = old_lexat; + sym_name = S_GET_NAME (sym); if (S_IS_COMMON (sym)) { as_bad (_("`%s' can't be versioned to common symbol '%s'"), - name, S_GET_NAME (sym)); + name, sym_name); ignore_rest_of_line (); return; } - if (symbol_get_obj (sym)->versioned_name == NULL) + p = strchr (name, ELF_VER_CHR); + if (p == NULL) { - symbol_get_obj (sym)->versioned_name = xstrdup (name); + as_bad (_("missing version name in `%s' for symbol `%s'"), + name, sym_name); + ignore_rest_of_line (); + return; + } + + sy_obj = symbol_get_obj (sym); + if (obj_elf_find_and_add_versioned_name (name, sym_name, + p, sy_obj) == NULL) + { + sy_obj->bad_version = TRUE; + ignore_rest_of_line (); + return; + } - (void) restore_line_pointer (c); + (void) restore_line_pointer (c); - if (strchr (symbol_get_obj (sym)->versioned_name, - ELF_VER_CHR) == NULL) + if (*input_line_pointer == ',') + { + char *save = input_line_pointer; + + ++input_line_pointer; + SKIP_WHITESPACE (); + if (strncmp (input_line_pointer, "local", 5) == 0) { - as_bad (_("missing version name in `%s' for symbol `%s'"), - symbol_get_obj (sym)->versioned_name, - S_GET_NAME (sym)); - ignore_rest_of_line (); - return; + input_line_pointer += 5; + sy_obj->visibility = visibility_local; } - } - else - { - if (strcmp (symbol_get_obj (sym)->versioned_name, name)) + else if (strncmp (input_line_pointer, "hidden", 6) == 0) { - as_bad (_("multiple versions [`%s'|`%s'] for symbol `%s'"), - name, symbol_get_obj (sym)->versioned_name, - S_GET_NAME (sym)); - ignore_rest_of_line (); - return; + input_line_pointer += 6; + sy_obj->visibility = visibility_hidden; } - - (void) restore_line_pointer (c); + else if (strncmp (input_line_pointer, "remove", 6) == 0) + { + input_line_pointer += 6; + sy_obj->visibility = visibility_remove; + } + else + input_line_pointer = save; } demand_empty_rest_of_line (); @@ -2382,6 +2465,7 @@ elf_frob_symbol (symbolS *symp, int *puntp) { struct elf_obj_sy *sy_obj; expressionS *size; + struct elf_versioned_name_list *versioned_name; #ifdef NEED_ECOFF_DEBUG if (ECOFF_DEBUGGING) @@ -2409,73 +2493,47 @@ elf_frob_symbol (symbolS *symp, int *puntp) sy_obj->size = NULL; } - if (sy_obj->versioned_name != NULL) + versioned_name = sy_obj->versioned_name; + if (versioned_name) { - char *p; - - p = strchr (sy_obj->versioned_name, ELF_VER_CHR); - if (p == NULL) - /* We will have already reported an error about a missing version. */ - *puntp = TRUE; - /* This symbol was given a new name with the .symver directive. - If this is an external reference, just rename the symbol to include the version string. This will make the relocs be - against the correct versioned symbol. - - If this is a definition, add an alias. FIXME: Using an alias - will permit the debugging information to refer to the right - symbol. However, it's not clear whether it is the best - approach. */ + against the correct versioned symbol. */ - else if (! S_IS_DEFINED (symp)) + /* We will have already reported an version error. */ + if (sy_obj->bad_version) + *puntp = TRUE; + /* elf_frob_file_before_adjust only allows one version symbol for + renamed symbol. */ + else if (sy_obj->rename) + S_SET_NAME (symp, versioned_name->name); + else if (S_IS_COMMON (symp)) { - /* Verify that the name isn't using the @@ syntax--this is - reserved for definitions of the default version to link - against. */ - if (p[1] == ELF_VER_CHR) - { - as_bad (_("invalid attempt to declare external version name" - " as default in symbol `%s'"), - sy_obj->versioned_name); - *puntp = TRUE; - } - S_SET_NAME (symp, sy_obj->versioned_name); + as_bad (_("`%s' can't be versioned to common symbol '%s'"), + versioned_name->name, S_GET_NAME (symp)); + *puntp = TRUE; } else { - if (p[1] == ELF_VER_CHR && p[2] == ELF_VER_CHR) - { - size_t l; - - /* The @@@ syntax is a special case. It renames the - symbol name to versioned_name with one `@' removed. */ - l = strlen (&p[3]) + 1; - memmove (&p[2], &p[3], l); - S_SET_NAME (symp, sy_obj->versioned_name); - } - else + asymbol *bfdsym; + elf_symbol_type *elfsym; + + /* This is a definition. Add an alias for each version. + FIXME: Using an alias will permit the debugging information + to refer to the right symbol. However, it's not clear + whether it is the best approach. */ + + /* FIXME: Creating a new symbol here is risky. We're + in the final loop over the symbol table. We can + get away with it only because the symbol goes to + the end of the list, where the loop will still see + it. It would probably be better to do this in + obj_frob_file_before_adjust. */ + for (; versioned_name != NULL; + versioned_name = versioned_name->next) { - symbolS *symp2; - - /* FIXME: Creating a new symbol here is risky. We're - in the final loop over the symbol table. We can - get away with it only because the symbol goes to - the end of the list, where the loop will still see - it. It would probably be better to do this in - obj_frob_file_before_adjust. */ - - symp2 = symbol_find_or_make (sy_obj->versioned_name); - - /* Now we act as though we saw symp2 = sym. */ - if (S_IS_COMMON (symp)) - { - as_bad (_("`%s' can't be versioned to common symbol '%s'"), - sy_obj->versioned_name, S_GET_NAME (symp)); - *puntp = TRUE; - return; - } + symbolS *symp2 = symbol_find_or_make (versioned_name->name); S_SET_SEGMENT (symp2, S_GET_SEGMENT (symp)); @@ -2498,6 +2556,27 @@ elf_frob_symbol (symbolS *symp, int *puntp) if (S_IS_EXTERNAL (symp)) S_SET_EXTERNAL (symp2); } + + switch (symbol_get_obj (symp)->visibility) + { + case visibility_unchanged: + break; + case visibility_hidden: + bfdsym = symbol_get_bfdsym (symp); + elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), + bfdsym); + elfsym->internal_elf_sym.st_other &= ~3; + elfsym->internal_elf_sym.st_other |= STV_HIDDEN; + break; + case visibility_remove: + /* Remove the symbol if it isn't used in relocation. */ + if (!symbol_used_in_reloc_p (symp)) + symbol_remove (symp, &symbol_rootP, &symbol_lastP); + break; + case visibility_local: + S_CLEAR_EXTERNAL (symp); + break; + } } } @@ -2676,36 +2755,61 @@ elf_frob_file_before_adjust (void) symbolS *symp; for (symp = symbol_rootP; symp; symp = symbol_next (symp)) - if (!S_IS_DEFINED (symp)) - { - if (symbol_get_obj (symp)->versioned_name) - { - char *p; - - /* The @@@ syntax is a special case. If the symbol is - not defined, 2 `@'s will be removed from the - versioned_name. */ - - p = strchr (symbol_get_obj (symp)->versioned_name, - ELF_VER_CHR); - if (p != NULL && p[1] == ELF_VER_CHR && p[2] == ELF_VER_CHR) - { - size_t l = strlen (&p[3]) + 1; - memmove (&p[1], &p[3], l); - } - if (symbol_used_p (symp) == 0 - && symbol_used_in_reloc_p (symp) == 0) - symbol_remove (symp, &symbol_rootP, &symbol_lastP); - } + { + struct elf_obj_sy *sy_obj = symbol_get_obj (symp); + int is_defined = !!S_IS_DEFINED (symp); - /* If there was .weak foo, but foo was neither defined nor - used anywhere, remove it. */ + if (sy_obj->versioned_name) + { + char *p = strchr (sy_obj->versioned_name->name, + ELF_VER_CHR); - else if (S_IS_WEAK (symp) - && symbol_used_p (symp) == 0 - && symbol_used_in_reloc_p (symp) == 0) - symbol_remove (symp, &symbol_rootP, &symbol_lastP); - } + if (sy_obj->rename) + { + /* The @@@ syntax is a special case. If the symbol is + not defined, 2 `@'s will be removed from the + versioned_name. Otherwise, 1 `@' will be removed. */ + size_t l = strlen (&p[3]) + 1; + memmove (&p[1 + is_defined], &p[3], l); + } + + if (!is_defined) + { + /* Verify that the name isn't using the @@ syntax--this + is reserved for definitions of the default version + to link against. */ + if (!sy_obj->rename && p[1] == ELF_VER_CHR) + { + as_bad (_("invalid attempt to declare external " + "version name as default in symbol `%s'"), + sy_obj->versioned_name->name); + return; + } + + /* Only one version symbol is allowed for undefined + symbol. */ + if (sy_obj->versioned_name->next) + { + as_bad (_("multiple versions [`%s'|`%s'] for " + "symbol `%s'"), + sy_obj->versioned_name->name, + sy_obj->versioned_name->next->name, + S_GET_NAME (symp)); + return; + } + + sy_obj->rename = TRUE; + } + } + + /* If there was .symver or .weak, but symbol was neither + defined nor used anywhere, remove it. */ + if (!is_defined + && (sy_obj->versioned_name || S_IS_WEAK (symp)) + && symbol_used_p (symp) == 0 + && symbol_used_in_reloc_p (symp) == 0) + symbol_remove (symp, &symbol_rootP, &symbol_lastP); + } } } diff --git a/gas/config/obj-elf.h b/gas/config/obj-elf.h index 54af9ebc0e2..b39a1a1ab63 100644 --- a/gas/config/obj-elf.h +++ b/gas/config/obj-elf.h @@ -55,18 +55,41 @@ extern int mips_flag_mdebug; #endif #endif +enum elf_visibility +{ + visibility_unchanged = 0, + visibility_local, + visibility_hidden, + visibility_remove +}; + +struct elf_versioned_name_list +{ + char *name; + struct elf_versioned_name_list *next; +}; + /* Additional information we keep for each symbol. */ struct elf_obj_sy { /* Whether the symbol has been marked as local. */ - int local; + unsigned int local : 1; + + /* Whether the symbol has been marked for rename with @@@. */ + unsigned int rename : 1; + + /* Whether the symbol has a bad version name. */ + unsigned int bad_version : 1; + + /* Whether visibility of the symbol should be changed. */ + ENUM_BITFIELD (elf_visibility) visibility : 2; /* Use this to keep track of .size expressions that involve differences that we can't compute yet. */ expressionS *size; - /* The name specified by the .symver directive. */ - char *versioned_name; + /* The list of names specified by the .symver directive. */ + struct elf_versioned_name_list *versioned_name; #ifdef ECOFF_DEBUGGING /* If we are generating ECOFF debugging information, we need some diff --git a/gas/doc/as.texi b/gas/doc/as.texi index 0a6727ef848..8669879c87f 100644 --- a/gas/doc/as.texi +++ b/gas/doc/as.texi @@ -4509,7 +4509,7 @@ Some machine configurations provide additional directives. * Struct:: @code{.struct @var{expression}} @ifset ELF * SubSection:: @code{.subsection} -* Symver:: @code{.symver @var{name},@var{name2@@nodename}} +* Symver:: @code{.symver @var{name},@var{name2@@nodename}[,@var{visibility}]} @end ifset @ifset COFF @@ -7112,9 +7112,9 @@ shared library. For ELF targets, the @code{.symver} directive can be used like this: @smallexample -.symver @var{name}, @var{name2@@nodename} +.symver @var{name}, @var{name2@@nodename}[ ,@var{visibility}] @end smallexample -If the symbol @var{name} is defined within the file +If the original symbol @var{name} is defined within the file being assembled, the @code{.symver} directive effectively creates a symbol alias with the name @var{name2@@nodename}, and in fact the main reason that we just don't try and create a regular alias is that the @var{@@} character isn't @@ -7127,7 +7127,15 @@ function is being mentioned. The @var{nodename} portion of the alias should be the name of a node specified in the version script supplied to the linker when building a shared library. If you are attempting to override a versioned symbol from a shared library, then @var{nodename} should correspond to the -nodename of the symbol you are trying to override. +nodename of the symbol you are trying to override. The optional argument +@var{visibility} updates the visibility of the original symbol. The valid +visibilities are @code{local}, @code {hidden}, and @code {remove}. The +@code{local} visibility makes the original symbol a local symbol +(@pxref{Local}). The @code{hidden} visibility sets the visibility of the +original symbol to @code{hidden} (@pxref{Hidden}). The @code{remove} +visibility removes the original symbol from the symbol table if it isn't +used in relocation. If visibility isn't specified, the original symbol +is unchanged. If the symbol @var{name} is not defined within the file being assembled, all references to @var{name} will be changed to @var{name2@@nodename}. If no diff --git a/gas/testsuite/gas/symver/symver.exp b/gas/testsuite/gas/symver/symver.exp index de122eb61c3..6b29a12d316 100644 --- a/gas/testsuite/gas/symver/symver.exp +++ b/gas/testsuite/gas/symver/symver.exp @@ -46,8 +46,13 @@ if { [is_elf_format] } then { return } - run_dump_test "symver0" - run_dump_test "symver1" + set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]] + foreach t $test_list { + # We need to strip the ".d", but can leave the dirname. + verbose [file rootname $t] + run_dump_test [file rootname $t] + } + run_error_test "symver2" "" run_error_test "symver3" "" # We have to comment out symver4 and symver5, which check the @@ -56,5 +61,6 @@ if { [is_elf_format] } then { # version name. # run_error_test "symver4" "" # run_error_test "symver5" "" - run_error_test "symver6" "" + run_error_test "symver14" "" + run_error_test "symver15" "" } diff --git a/gas/testsuite/gas/symver/symver10.s b/gas/testsuite/gas/symver/symver10.s new file mode 100644 index 00000000000..967a692a73a --- /dev/null +++ b/gas/testsuite/gas/symver/symver10.s @@ -0,0 +1,8 @@ + .data + .globl foo + .type foo,%object +foo: + .byte 0 + .size foo,.-foo + .symver foo,foo@@version2,remove + .symver foo,foo@version1 diff --git a/gas/testsuite/gas/symver/symver10a.d b/gas/testsuite/gas/symver/symver10a.d new file mode 100644 index 00000000000..e9bd1594eba --- /dev/null +++ b/gas/testsuite/gas/symver/symver10a.d @@ -0,0 +1,8 @@ +#source: symver10.s +#readelf: -sW +#name: symver symver10a + +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@version1 + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@@version2 +#pass diff --git a/gas/testsuite/gas/symver/symver10b.d b/gas/testsuite/gas/symver/symver10b.d new file mode 100644 index 00000000000..17d0bfdd19e --- /dev/null +++ b/gas/testsuite/gas/symver/symver10b.d @@ -0,0 +1,8 @@ +#source: symver10.s +#readelf: -sW +#name: symver symver10b + +#failif +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo +#pass diff --git a/gas/testsuite/gas/symver/symver11.d b/gas/testsuite/gas/symver/symver11.d new file mode 100644 index 00000000000..0e3e7f14b7d --- /dev/null +++ b/gas/testsuite/gas/symver/symver11.d @@ -0,0 +1,8 @@ +#readelf: -rsW +#name: symver symver11 + +#... +[0-9a-f]+ +[0-9a-f]+ +R_.* +[0-9a-f]+ +foo *.* +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo +#pass diff --git a/gas/testsuite/gas/symver/symver11.s b/gas/testsuite/gas/symver/symver11.s new file mode 100644 index 00000000000..547e8123f0d --- /dev/null +++ b/gas/testsuite/gas/symver/symver11.s @@ -0,0 +1,9 @@ + .data + .globl foo + .type foo,%object +foo: + .byte 0 + .size foo,.-foo + .symver foo,foo@@version2,remove + .symver foo,foo@version1 + .dc.a foo diff --git a/gas/testsuite/gas/symver/symver12.d b/gas/testsuite/gas/symver/symver12.d new file mode 100644 index 00000000000..3878f4dd496 --- /dev/null +++ b/gas/testsuite/gas/symver/symver12.d @@ -0,0 +1,9 @@ +#readelf: -sW +#name: symver symver12 + +#... + +[0-9]+: +0+d +1 +FUNC +GLOBAL +DEFAULT +[0-9]+ +foo + +[0-9]+: +0+d +1 +FUNC +GLOBAL +DEFAULT +[0-9]+ +foo@VERS_2 + +[0-9]+: +0+d +1 +FUNC +GLOBAL +DEFAULT +[0-9]+ +foo@VERS_1 + +[0-9]+: +0+d +1 +FUNC +GLOBAL +DEFAULT +[0-9]+ +foo@@VERS_2 +#pass diff --git a/gas/testsuite/gas/symver/symver12.s b/gas/testsuite/gas/symver/symver12.s new file mode 100644 index 00000000000..724c3efcece --- /dev/null +++ b/gas/testsuite/gas/symver/symver12.s @@ -0,0 +1,10 @@ + .text + .space 13 + .symver foo, foo@@VERS_2 + .symver foo, foo@VERS_1 + .symver foo, foo@VERS_2 + .globl foo + .type foo, %function +foo: + .byte 0 + .size foo,.-foo diff --git a/gas/testsuite/gas/symver/symver13.d b/gas/testsuite/gas/symver/symver13.d new file mode 100644 index 00000000000..dce8579f5dc --- /dev/null +++ b/gas/testsuite/gas/symver/symver13.d @@ -0,0 +1,9 @@ +#readelf: -sW +#name: symver symver13 + +#... + +[0-9]+: +0+d +1 +FUNC +GLOBAL +HIDDEN +[0-9]+ +foo + +[0-9]+: +0+d +1 +FUNC +GLOBAL +HIDDEN +[0-9]+ +foo@VERS_1 + +[0-9]+: +0+d +1 +FUNC +GLOBAL +HIDDEN +[0-9]+ +foo@@VERS_2 + +[0-9]+: +0+d +1 +FUNC +GLOBAL +HIDDEN +[0-9]+ +foo@VERS_2 +#pass diff --git a/gas/testsuite/gas/symver/symver13.s b/gas/testsuite/gas/symver/symver13.s new file mode 100644 index 00000000000..5426d8682af --- /dev/null +++ b/gas/testsuite/gas/symver/symver13.s @@ -0,0 +1,11 @@ + .text + .space 13 + .globl foo + .type foo, %function +foo: + .byte 0 + .symver foo, foo@VERS_2 + .symver foo, foo@@VERS_2 + .symver foo, foo@VERS_1 + .hidden foo + .size foo,.-foo diff --git a/gas/testsuite/gas/symver/symver14.l b/gas/testsuite/gas/symver/symver14.l new file mode 100644 index 00000000000..53fb7f44e7b --- /dev/null +++ b/gas/testsuite/gas/symver/symver14.l @@ -0,0 +1,2 @@ +.*: Assembler messages: +.*: Error: only one version name with `@@@' is allowed for symbol `foo' diff --git a/gas/testsuite/gas/symver/symver14.s b/gas/testsuite/gas/symver/symver14.s new file mode 100644 index 00000000000..6693ff6b006 --- /dev/null +++ b/gas/testsuite/gas/symver/symver14.s @@ -0,0 +1,6 @@ + .data + .global foo +foo: + .byte 1 + .symver foo,foo@@@version1 + .symver foo,foo@@@version2 diff --git a/gas/testsuite/gas/symver/symver15.l b/gas/testsuite/gas/symver/symver15.l new file mode 100644 index 00000000000..903a67c6014 --- /dev/null +++ b/gas/testsuite/gas/symver/symver15.l @@ -0,0 +1,2 @@ +.*: Assembler messages: +.*: Error: multiple versions \[`foo@version2'|`foo@version1'\] for symbol `foo' diff --git a/gas/testsuite/gas/symver/symver15.s b/gas/testsuite/gas/symver/symver15.s new file mode 100644 index 00000000000..abf18600a87 --- /dev/null +++ b/gas/testsuite/gas/symver/symver15.s @@ -0,0 +1,3 @@ + .data + .symver foo,foo@version1 + .symver foo,foo@version2 diff --git a/gas/testsuite/gas/symver/symver6.d b/gas/testsuite/gas/symver/symver6.d new file mode 100644 index 00000000000..cddf7ec7032 --- /dev/null +++ b/gas/testsuite/gas/symver/symver6.d @@ -0,0 +1,11 @@ +#nm: -n +#name: symver symver6 +# + +#... +[ ]+U foo +#... +0+00000.. D foo1 +0+0000000 D foo@@version1 +0+00000.. D foo@version1 +0+00000.. d L_foo1 diff --git a/gas/testsuite/gas/symver/symver6.l b/gas/testsuite/gas/symver/symver6.l deleted file mode 100644 index c2d12ae060f..00000000000 --- a/gas/testsuite/gas/symver/symver6.l +++ /dev/null @@ -1,3 +0,0 @@ -.*: Assembler messages: -.*:7: Error: multiple versions \[`foo@version1'|`foo@@version1'\] for symbol `foo' -#pass diff --git a/gas/testsuite/gas/symver/symver6.s b/gas/testsuite/gas/symver/symver6.s index 23d9fe20ee4..b0bc0b8b22b 100644 --- a/gas/testsuite/gas/symver/symver6.s +++ b/gas/testsuite/gas/symver/symver6.s @@ -3,7 +3,7 @@ .type foo1,object foo1: .long foo - .symver foo,foo@@version1 - .symver foo,foo@version1 + .symver foo1,foo@@version1 + .symver foo1,foo@version1 L_foo1: .size foo1,L_foo1-foo1 diff --git a/gas/testsuite/gas/symver/symver7.d b/gas/testsuite/gas/symver/symver7.d new file mode 100644 index 00000000000..5152678a485 --- /dev/null +++ b/gas/testsuite/gas/symver/symver7.d @@ -0,0 +1,8 @@ +#readelf: -sW +#name: symver symver7 + +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +HIDDEN +[0-9]+ +foo + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@version1 + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@@version2 +#pass diff --git a/gas/testsuite/gas/symver/symver7.s b/gas/testsuite/gas/symver/symver7.s new file mode 100644 index 00000000000..20c11b7cc08 --- /dev/null +++ b/gas/testsuite/gas/symver/symver7.s @@ -0,0 +1,8 @@ + .data + .globl foo + .type foo,%object +foo: + .byte 0 + .size foo,.-foo + .symver foo,foo@@version2,local + .symver foo,foo@version1,hidden diff --git a/gas/testsuite/gas/symver/symver8.d b/gas/testsuite/gas/symver/symver8.d new file mode 100644 index 00000000000..8938aecb592 --- /dev/null +++ b/gas/testsuite/gas/symver/symver8.d @@ -0,0 +1,9 @@ +#readelf: -sW +#name: symver symver8 + +#... + +[0-9]+: +0+ +1 +OBJECT +LOCAL +DEFAULT +[0-9]+ +foo +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@version1 + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@@version2 +#pass diff --git a/gas/testsuite/gas/symver/symver8.s b/gas/testsuite/gas/symver/symver8.s new file mode 100644 index 00000000000..17ab0370402 --- /dev/null +++ b/gas/testsuite/gas/symver/symver8.s @@ -0,0 +1,8 @@ + .data + .globl foo + .type foo,%object +foo: + .byte 0 + .size foo,.-foo + .symver foo,foo@@version2,hidden + .symver foo,foo@version1,local diff --git a/gas/testsuite/gas/symver/symver9.s b/gas/testsuite/gas/symver/symver9.s new file mode 100644 index 00000000000..2f608972f57 --- /dev/null +++ b/gas/testsuite/gas/symver/symver9.s @@ -0,0 +1,8 @@ + .data + .globl foo + .type foo,%object +foo: + .byte 0 + .size foo,.-foo + .symver foo,foo@@version2 + .symver foo,foo@version1,remove diff --git a/gas/testsuite/gas/symver/symver9a.d b/gas/testsuite/gas/symver/symver9a.d new file mode 100644 index 00000000000..1cdbce8efc8 --- /dev/null +++ b/gas/testsuite/gas/symver/symver9a.d @@ -0,0 +1,8 @@ +#source: symver9.s +#readelf: -sW +#name: symver symver9a + +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@version1 + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo@@version2 +#pass diff --git a/gas/testsuite/gas/symver/symver9b.d b/gas/testsuite/gas/symver/symver9b.d new file mode 100644 index 00000000000..383d1bd0809 --- /dev/null +++ b/gas/testsuite/gas/symver/symver9b.d @@ -0,0 +1,8 @@ +#source: symver9.s +#readelf: -sW +#name: symver symver9b + +#failif +#... + +[0-9]+: +0+ +1 +OBJECT +GLOBAL +DEFAULT +[0-9]+ +foo +#pass -- 2.30.2