From: H.J. Lu Date: Tue, 24 Mar 2020 11:23:11 +0000 (-0700) Subject: bfd: Display symbol version for nm -D X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7e6e972f74aeac0ebdbd95a7f905d871cd2581de;p=binutils-gdb.git bfd: Display symbol version for nm -D Extend _bfd_elf_get_symbol_version_string for nm -D to display symbol version. _bfd_elf_get_symbol_version_name is added to avoid updating all XXX_get_symbol_version_string functions. bfd/ PR binutils/25708 * elf-bfd.h (_bfd_elf_get_symbol_version_name): New. * elf.c (_bfd_elf_get_symbol_version_name): New function. Based on the previous _bfd_elf_get_symbol_version_string. (_bfd_elf_get_symbol_version_string): Use it. binutils/ PR binutils/25708 * nm.c (SYM_NAME): Removed. (print_symname): Add a pointer to struct extended_symbol_info argument. Call _bfd_elf_get_symbol_version_name to get symbol version. (print_symdef_entry): Pass NULL to print_symname. (print_symbol_info_bsd): Update call to print_symname. (print_symbol_info_sysv): Likewise. (print_symbol_info_posix): Likewise. ld/ PR binutils/25708 * testsuite/ld-elf/pr25708.d: New file. --- diff --git a/bfd/ChangeLog b/bfd/ChangeLog index da8e05894f0..7cc34c1bb9b 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +2020-03-24 H.J. Lu + + PR binutils/25708 + * elf-bfd.h (_bfd_elf_get_symbol_version_name): New. + * elf.c (_bfd_elf_get_symbol_version_name): New function. Based + on the previous _bfd_elf_get_symbol_version_string. + (_bfd_elf_get_symbol_version_string): Use it. + 2020-03-24 Alan Modra * archive.c (_bfd_generic_read_ar_hdr_mag): Sanity check extended diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index d4ac5152dfe..c546b583b87 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -2078,6 +2078,8 @@ extern bfd_boolean _bfd_elf_print_private_bfd_data (bfd *, void *); const char * _bfd_elf_get_symbol_version_string (bfd *, asymbol *, bfd_boolean *); +const char * _bfd_elf_get_symbol_version_name + (bfd *, asymbol *, bfd_boolean, bfd_boolean *); extern void bfd_elf_print_symbol (bfd *, void *, asymbol *, bfd_print_symbol_type); diff --git a/bfd/elf.c b/bfd/elf.c index 975eeb06b80..1004809e454 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -1883,11 +1883,13 @@ _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg) return FALSE; } -/* Get version string. */ +/* Get version name. If BASE_P is TRUE, return "Base" for VER_FLG_BASE + and return symbol version for symbol version itself. */ const char * -_bfd_elf_get_symbol_version_string (bfd *abfd, asymbol *symbol, - bfd_boolean *hidden) +_bfd_elf_get_symbol_version_name (bfd *abfd, asymbol *symbol, + bfd_boolean base_p, + bfd_boolean *hidden) { const char *version_string = NULL; if (elf_dynversym (abfd) != 0 @@ -1904,10 +1906,14 @@ _bfd_elf_get_symbol_version_string (bfd *abfd, asymbol *symbol, && (vernum > elf_tdata (abfd)->cverdefs || (elf_tdata (abfd)->verdef[0].vd_flags == VER_FLG_BASE))) - version_string = "Base"; + version_string = base_p ? "Base" : ""; else if (vernum <= elf_tdata (abfd)->cverdefs) - version_string = - elf_tdata (abfd)->verdef[vernum - 1].vd_nodename; + { + const char *nodename + = elf_tdata (abfd)->verdef[vernum - 1].vd_nodename; + version_string = ((base_p || strcmp (symbol->name, nodename)) + ? nodename : ""); + } else { Elf_Internal_Verneed *t; @@ -1933,6 +1939,15 @@ _bfd_elf_get_symbol_version_string (bfd *abfd, asymbol *symbol, return version_string; } +/* Get version string. */ + +const char * +_bfd_elf_get_symbol_version_string (bfd *abfd, asymbol *symbol, + bfd_boolean *hidden) +{ + return _bfd_elf_get_symbol_version_name (abfd, symbol, TRUE, hidden); +} + /* Display ELF-specific fields of a symbol. */ void diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 11be80dfc30..2565f36db26 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,15 @@ +2020-03-24 H.J. Lu + + PR binutils/25708 + * nm.c (SYM_NAME): Removed. + (print_symname): Add a pointer to struct extended_symbol_info + argument. Call _bfd_elf_get_symbol_version_name to get symbol + version. + (print_symdef_entry): Pass NULL to print_symname. + (print_symbol_info_bsd): Update call to print_symname. + (print_symbol_info_sysv): Likewise. + (print_symbol_info_posix): Likewise. + 2020-03-24 Alan Modra * readelf.c (process_mips_specific): Free iconf on error path. diff --git a/binutils/nm.c b/binutils/nm.c index 0ee3f883865..0e475f80063 100644 --- a/binutils/nm.c +++ b/binutils/nm.c @@ -67,7 +67,6 @@ struct extended_symbol_info coff_symbol_type *coffinfo; /* FIXME: We should add more fields for Type, Line, Section. */ }; -#define SYM_NAME(sym) (sym->sinfo->name) #define SYM_VALUE(sym) (sym->sinfo->value) #define SYM_TYPE(sym) (sym->sinfo->type) #define SYM_STAB_NAME(sym) (sym->sinfo->stab_name) @@ -394,8 +393,11 @@ get_coff_symbol_type (const struct internal_syment *sym) demangling it if requested. */ static void -print_symname (const char *form, const char *name, bfd *abfd) +print_symname (const char *form, struct extended_symbol_info *info, + const char *name, bfd *abfd) { + if (name == NULL) + name = info->sinfo->name; if (do_demangle && *name) { char *res = bfd_demangle (abfd, name, demangle_flags); @@ -409,6 +411,18 @@ print_symname (const char *form, const char *name, bfd *abfd) } printf (form, name); + if (info != NULL && info->elfinfo) + { + const char *version_string; + bfd_boolean hidden; + + version_string + = _bfd_elf_get_symbol_version_name (abfd, + &info->elfinfo->symbol, + FALSE, &hidden); + if (version_string && version_string[0]) + printf ("%s%s", hidden ? "@" : "@@", version_string); + } } static void @@ -433,7 +447,7 @@ print_symdef_entry (bfd *abfd) bfd_fatal ("bfd_get_elt_at_index"); if (thesym->name != (char *) NULL) { - print_symname ("%s", thesym->name, abfd); + print_symname ("%s", NULL, thesym->name, abfd); printf (" in %s\n", bfd_get_filename (elt)); } } @@ -1606,13 +1620,13 @@ print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd) printf (desc_format, SYM_STAB_DESC (info)); printf (" %5s", SYM_STAB_NAME (info)); } - print_symname (" %s", SYM_NAME (info), abfd); + print_symname (" %s", info, NULL, abfd); } static void print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) { - print_symname ("%-20s|", SYM_NAME (info), abfd); + print_symname ("%-20s|", info, NULL, abfd); if (bfd_is_undefined_symclass (SYM_TYPE (info))) { @@ -1667,7 +1681,7 @@ print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) static void print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd) { - print_symname ("%s ", SYM_NAME (info), abfd); + print_symname ("%s ", info, NULL, abfd); printf ("%c ", SYM_TYPE (info)); if (bfd_is_undefined_symclass (SYM_TYPE (info))) diff --git a/ld/ChangeLog b/ld/ChangeLog index 12efa1117fe..ac7dca4625a 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,8 @@ +2020-03-24 H.J. Lu + + PR binutils/25708 + * testsuite/ld-elf/pr25708.d: New file. + 2020-03-23 Alan Modra * Makefile.am (ALL_EMULATION_SOURCES): Reinstate ei386aout.c. diff --git a/ld/testsuite/ld-elf/pr25708.d b/ld/testsuite/ld-elf/pr25708.d new file mode 100644 index 00000000000..e487d227b3a --- /dev/null +++ b/ld/testsuite/ld-elf/pr25708.d @@ -0,0 +1,9 @@ +#source: pr13195.s +#ld: -shared -version-script pr13195.t +#nm: -D +#target: *-*-linux* *-*-gnu* arm*-*-uclinuxfdpiceabi + +#.. +0+ A VERS_2.0 +[0-9a-f]+ T foo@@VERS_2.0 +#pass