diff options
Diffstat (limited to 'contrib/binutils/bfd/binary.c')
-rw-r--r-- | contrib/binutils/bfd/binary.c | 59 |
1 files changed, 42 insertions, 17 deletions
diff --git a/contrib/binutils/bfd/binary.c b/contrib/binutils/bfd/binary.c index 8fcbadc..c2980b0 100644 --- a/contrib/binutils/bfd/binary.c +++ b/contrib/binutils/bfd/binary.c @@ -1,5 +1,5 @@ /* BFD back-end for binary objects. - Copyright 1994, 95, 96, 97, 1998 Free Software Foundation, Inc. + Copyright 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc. Written by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com> This file is part of BFD, the Binary File Descriptor library. @@ -58,7 +58,7 @@ static int binary_sizeof_headers PARAMS ((bfd *, boolean)); static boolean binary_mkobject (abfd) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; { return true; } @@ -112,7 +112,7 @@ binary_object_p (abfd) static boolean binary_get_section_contents (abfd, section, location, offset, count) bfd *abfd; - asection *section; + asection *section ATTRIBUTE_UNUSED; PTR location; file_ptr offset; bfd_size_type count; @@ -127,7 +127,7 @@ binary_get_section_contents (abfd, section, location, offset, count) static long binary_get_symtab_upper_bound (abfd) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; { return (BIN_SYMS + 1) * sizeof (asymbol *); } @@ -222,7 +222,7 @@ binary_make_empty_symbol (abfd) static void binary_get_symbol_info (ignore_abfd, symbol, ret) - bfd *ignore_abfd; + bfd *ignore_abfd ATTRIBUTE_UNUSED; asymbol *symbol; symbol_info *ret; { @@ -255,14 +255,6 @@ binary_set_section_contents (abfd, sec, data, offset, size) file_ptr offset; bfd_size_type size; { - /* We don't want to output anything for a section that is neither - loaded nor allocated. The contents of such a section are not - meaningful in the binary format. */ - if ((sec->flags & (SEC_LOAD | SEC_ALLOC)) == 0) - return true; - if ((sec->flags & SEC_NEVER_LOAD) != 0) - return true; - if (! abfd->output_has_begun) { boolean found_low; @@ -275,7 +267,8 @@ binary_set_section_contents (abfd, sec, data, offset, size) found_low = false; low = 0; for (s = abfd->sections; s != NULL; s = s->next) - if (((s->flags & (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC)) + if (((s->flags + & (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_NEVER_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC)) && (! found_low || s->lma < low)) { @@ -284,11 +277,40 @@ binary_set_section_contents (abfd, sec, data, offset, size) } for (s = abfd->sections; s != NULL; s = s->next) - s->filepos = s->lma - low; + { + s->filepos = s->lma - low; + + /* Skip following warning check for sections that will not + occupy file space. */ + if ((s->flags + & (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_NEVER_LOAD)) + != (SEC_HAS_CONTENTS | SEC_ALLOC)) + continue; + + /* If attempting to generate a binary file from a bfd with + LMA's all over the place, huge (sparse?) binary files may + result. This condition attempts to detect this situation + and print a warning. Better heuristics would be nice to + have. */ + + if (s->filepos < 0) + (*_bfd_error_handler) + (_("Warning: Writing section `%s' to huge (ie negative) file offset 0x%lx."), + bfd_get_section_name (abfd, s), + (unsigned long) s->filepos); + } abfd->output_has_begun = true; } + /* We don't want to output anything for a section that is neither + loaded nor allocated. The contents of such a section are not + meaningful in the binary format. */ + if ((sec->flags & (SEC_LOAD | SEC_ALLOC)) == 0) + return true; + if ((sec->flags & SEC_NEVER_LOAD) != 0) + return true; + return _bfd_generic_set_section_contents (abfd, sec, data, offset, size); } @@ -296,8 +318,8 @@ binary_set_section_contents (abfd, sec, data, offset, size) static int binary_sizeof_headers (abfd, exec) - bfd *abfd; - boolean exec; + bfd *abfd ATTRIBUTE_UNUSED; + boolean exec ATTRIBUTE_UNUSED; { return 0; } @@ -305,6 +327,7 @@ binary_sizeof_headers (abfd, exec) #define binary_bfd_get_relocated_section_contents \ bfd_generic_get_relocated_section_contents #define binary_bfd_relax_section bfd_generic_relax_section +#define binary_bfd_gc_sections bfd_generic_gc_sections #define binary_bfd_link_hash_table_create _bfd_generic_link_hash_table_create #define binary_bfd_link_add_symbols _bfd_generic_link_add_symbols #define binary_bfd_final_link _bfd_generic_final_link @@ -359,5 +382,7 @@ const bfd_target binary_vec = BFD_JUMP_TABLE_LINK (binary), BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), + NULL, + NULL }; |