From 8615f3f213dc2fa20bd7c0349c84e22c81c48c9e Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Tue, 25 Jan 2005 10:33:55 +0000 Subject: [PATCH] bfd/ * elf.c (_bfd_elf_get_dynamic_reloc_upper_bound): Only include loadable reloc sections. (_bfd_elf_canonicalize_dynamic_reloc): Likewise. (_bfd_elf_get_synthetic_symtab): Return 0 if no dynamic syms. binutils/ * nm.c (display_rel_file): Read dynamic syms before calling bfd_get_synthetic_symtab. --- bfd/ChangeLog | 9 ++++++++- bfd/elf.c | 39 ++++++++++++++++++++++----------------- binutils/ChangeLog | 15 ++++++++++----- binutils/nm.c | 12 +++++++++++- 4 files changed, 51 insertions(+), 24 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 7a835255590..783865b2133 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2005-01-25 Alan Modra + + * elf.c (_bfd_elf_get_dynamic_reloc_upper_bound): Only include + loadable reloc sections. + (_bfd_elf_canonicalize_dynamic_reloc): Likewise. + (_bfd_elf_get_synthetic_symtab): Return 0 if no dynamic syms. + 2005-01-25 Alan Modra * elflink.c (elf_link_add_object_symbols): Don't create link dynamic @@ -92,7 +99,7 @@ BFD_HAVE_SYS_PROCFS_TYPE and BFD_HAVE_SYS_PROCFS_TYPE_MEMBER to the new file bfd.m4. Include ../bfd/bfd.m4. * configure: Re-generate. - + 2005-01-12 Alan Modra * elf32-ppc.c (ppc_elf_howto_raw): Delete RELAX32* entries. diff --git a/bfd/elf.c b/bfd/elf.c index a3126b4640d..081ad8935e1 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -1,7 +1,7 @@ /* ELF executable support for BFD. Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - 2002, 2003, 2004 Free Software Foundation, Inc. + 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -5977,10 +5977,10 @@ _bfd_elf_canonicalize_dynamic_symtab (bfd *abfd, return symcount; } -/* Return the size required for the dynamic reloc entries. Any - section that was actually installed in the BFD, and has type - SHT_REL or SHT_RELA, and uses the dynamic symbol table, is - considered to be a dynamic reloc section. */ +/* Return the size required for the dynamic reloc entries. Any loadable + section that was actually installed in the BFD, and has type SHT_REL + or SHT_RELA, and uses the dynamic symbol table, is considered to be a + dynamic reloc section. */ long _bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd) @@ -5996,7 +5996,8 @@ _bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd) ret = sizeof (arelent *); for (s = abfd->sections; s != NULL; s = s->next) - if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) + if ((s->flags & SEC_LOAD) != 0 + && elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) && (elf_section_data (s)->this_hdr.sh_type == SHT_REL || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) ret += ((s->size / elf_section_data (s)->this_hdr.sh_entsize) @@ -6005,14 +6006,13 @@ _bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd) return ret; } -/* Canonicalize the dynamic relocation entries. Note that we return - the dynamic relocations as a single block, although they are - actually associated with particular sections; the interface, which - was designed for SunOS style shared libraries, expects that there - is only one set of dynamic relocs. Any section that was actually - installed in the BFD, and has type SHT_REL or SHT_RELA, and uses - the dynamic symbol table, is considered to be a dynamic reloc - section. */ +/* Canonicalize the dynamic relocation entries. Note that we return the + dynamic relocations as a single block, although they are actually + associated with particular sections; the interface, which was + designed for SunOS style shared libraries, expects that there is only + one set of dynamic relocs. Any loadable section that was actually + installed in the BFD, and has type SHT_REL or SHT_RELA, and uses the + dynamic symbol table, is considered to be a dynamic reloc section. */ long _bfd_elf_canonicalize_dynamic_reloc (bfd *abfd, @@ -6033,7 +6033,8 @@ _bfd_elf_canonicalize_dynamic_reloc (bfd *abfd, ret = 0; for (s = abfd->sections; s != NULL; s = s->next) { - if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) + if ((s->flags & SEC_LOAD) != 0 + && elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) && (elf_section_data (s)->this_hdr.sh_type == SHT_REL || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) { @@ -7908,7 +7909,7 @@ long _bfd_elf_get_synthetic_symtab (bfd *abfd, long symcount ATTRIBUTE_UNUSED, asymbol **syms ATTRIBUTE_UNUSED, - long dynsymcount ATTRIBUTE_UNUSED, + long dynsymcount, asymbol **dynsyms, asymbol **ret) { @@ -7924,10 +7925,14 @@ _bfd_elf_get_synthetic_symtab (bfd *abfd, char *names; asection *plt; + *ret = NULL; + if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0) return 0; - *ret = NULL; + if (dynsymcount <= 0) + return 0; + if (!bed->plt_sym_val) return 0; diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 368a7695170..4756f0344ab 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,8 @@ +2005-01-25 Alan Modra + + * nm.c (display_rel_file): Read dynamic syms before calling + bfd_get_synthetic_symtab. + 2005-01-21 Ben Elliston * dlltool.c (dump_iat): Remove unused function. @@ -47,7 +52,7 @@ * dlltool.c (set_dll_name_from_def): New function. Strip name to basename, with warning. - (def_name): Use it. + (def_name): Use it. (def_library): Likwise. (main): Strip arg of --dllname to basename, with warning. Only use basename of exp_name when inferring dll_name. @@ -163,7 +168,7 @@ decode_location_expression. (display_debug_frames): Pass 0 as the comp_unit offset to decode_location_expression. - + 2004-12-22 Nick Clifton * readelf.c (last_pointer_size, warned_about_missing_comp_units): @@ -276,7 +281,7 @@ of a 64-bit format .debug_ranges section. (display_debug_ranges): New function: Displays the contents of a 32-bit .debug_ranges section. - + (main): Move cmdline_dump_sects and num_cmdline_dump_sects into the global scope. (process_object): Initialise the dump_sects array from the @@ -295,7 +300,7 @@ get_debug_line_pointer_sizes. (display_debug_lines): Use the new functions. (display_debug_loc): Likewise. - + (disassemble_section): Change return type to int. (display_debug_lines): Move local variables to their innermost scope. @@ -306,7 +311,7 @@ (debug_apply_rela_addends): Allow relocations against STT_OBJECT types as well. - + * NEWS: Mention the support for decoding .debug_ranges sections. * doc/binutils.texi: Document the new command line switch to readelf. diff --git a/binutils/nm.c b/binutils/nm.c index 3668d6b75e8..917137fecd5 100644 --- a/binutils/nm.c +++ b/binutils/nm.c @@ -1,6 +1,6 @@ /* nm.c -- Describe symbol table of a rel file. Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004 + 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GNU Binutils. @@ -1026,8 +1026,18 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) } else { + long storage = bfd_get_dynamic_symtab_upper_bound (abfd); + static_count = symcount; static_syms = minisyms; + + if (storage > 0) + { + dyn_syms = xmalloc (storage); + dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms); + if (dyn_count < 0) + bfd_fatal (bfd_get_filename (abfd)); + } } synth_count = bfd_get_synthetic_symtab (abfd, static_count, static_syms, dyn_count, dyn_syms, &synthsyms); -- 2.30.2