diff options
author | Federico G. Schwindt <fgsch@cvs.openbsd.org> | 2002-05-13 17:07:46 +0000 |
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committer | Federico G. Schwindt <fgsch@cvs.openbsd.org> | 2002-05-13 17:07:46 +0000 |
commit | c866442bb5e16be2b5323fee961ceb1315393514 (patch) | |
tree | f12f495081042abe1a40d83bf05d076ff8aa8a17 /gnu/usr.bin/binutils/bfd/coffgen.c | |
parent | 99d2ba46f95f9f99286b4c66576c4607669b0e7f (diff) |
resolve conflicts.
Diffstat (limited to 'gnu/usr.bin/binutils/bfd/coffgen.c')
-rw-r--r-- | gnu/usr.bin/binutils/bfd/coffgen.c | 103 |
1 files changed, 64 insertions, 39 deletions
diff --git a/gnu/usr.bin/binutils/bfd/coffgen.c b/gnu/usr.bin/binutils/bfd/coffgen.c index f2410d919d9..82bfdc82c12 100644 --- a/gnu/usr.bin/binutils/bfd/coffgen.c +++ b/gnu/usr.bin/binutils/bfd/coffgen.c @@ -1,5 +1,6 @@ /* Support for the generic parts of COFF, for BFD. - Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999, 2000 + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2001 Free Software Foundation, Inc. Written by Cygnus Support. @@ -60,7 +61,7 @@ static void coff_pointerize_aux static boolean make_a_section_from_file PARAMS ((bfd *, struct internal_scnhdr *, unsigned int)); static const bfd_target *coff_real_object_p - PARAMS ((bfd *, unsigned, struct internal_filehdr *, + PARAMS ((bfd *, unsigned, struct internal_filehdr *, struct internal_aouthdr *)); static void fixup_symbol_value PARAMS ((bfd *, coff_symbol_type *, struct internal_syment *)); @@ -212,7 +213,7 @@ coff_real_object_p (abfd, nscns, internal_f, internal_a) goto fail; /* Set the arch/mach *before* swapping in sections; section header swapping - may depend on arch/mach info. */ + may depend on arch/mach info. */ if (bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f) == false) goto fail; @@ -340,7 +341,6 @@ coff_get_symtab_upper_bound (abfd) return (bfd_get_symcount (abfd) + 1) * (sizeof (coff_symbol_type *)); } - /* Canonicalize a COFF symbol table. */ long @@ -525,7 +525,7 @@ coff_count_linenumbers (abfd) { asymbol *q_maybe = *p; - if (bfd_asymbol_flavour (q_maybe) == bfd_target_coff_flavour) + if (bfd_family_coff (bfd_asymbol_bfd (q_maybe))) { coff_symbol_type *q = coffsymbol (q_maybe); @@ -558,13 +558,12 @@ coff_count_linenumbers (abfd) /* Takes a bfd and a symbol, returns a pointer to the coff specific area of the symbol if there is one. */ -/*ARGSUSED*/ coff_symbol_type * coff_symbol_from (ignore_abfd, symbol) bfd *ignore_abfd ATTRIBUTE_UNUSED; asymbol *symbol; { - if (bfd_asymbol_flavour (symbol) != bfd_target_coff_flavour) + if (!bfd_family_coff (bfd_asymbol_bfd (symbol))) return (coff_symbol_type *) NULL; if (bfd_asymbol_bfd (symbol)->tdata.coff_obj_data == (coff_data_type *) NULL) @@ -608,8 +607,11 @@ fixup_symbol_value (abfd, coff_symbol_ptr, syment) syment->n_value = (coff_symbol_ptr->symbol.value + coff_symbol_ptr->symbol.section->output_offset); if (! obj_pe (abfd)) - syment->n_value += - coff_symbol_ptr->symbol.section->output_section->vma; + { + syment->n_value += (syment->n_sclass == C_STATLAB) + ? coff_symbol_ptr->symbol.section->output_section->lma + : coff_symbol_ptr->symbol.section->output_section->vma; + } } else { @@ -689,7 +691,7 @@ coff_renumber_symbols (bfd_ptr, first_undef) for (symbol_index = 0; symbol_index < symbol_count; symbol_index++) { coff_symbol_type *coff_symbol_ptr = coff_symbol_from (bfd_ptr, symbol_ptr_ptr[symbol_index]); - symbol_ptr_ptr[symbol_index]->udata.i = symbol_index; + symbol_ptr_ptr[symbol_index]->udata.i = symbol_index; if (coff_symbol_ptr && coff_symbol_ptr->native) { combined_entry_type *s = coff_symbol_ptr->native; @@ -816,7 +818,16 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p, { unsigned int filnmlen; - strncpy (native->u.syment._n._n_name, ".file", SYMNMLEN); + if (bfd_coff_force_symnames_in_strings (abfd)) + { + native->u.syment._n._n_n._n_offset = + (*string_size_p + STRING_SIZE_SIZE); + native->u.syment._n._n_n._n_zeroes = 0; + *string_size_p += 6; /* strlen(".file") + 1 */ + } + else + strncpy (native->u.syment._n._n_name, ".file", SYMNMLEN); + auxent = &(native + 1)->u.auxent; filnmlen = bfd_coff_filnmlen (abfd); @@ -843,7 +854,7 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p, } else { - if (name_length <= SYMNMLEN) + if (name_length <= SYMNMLEN && !bfd_coff_force_symnames_in_strings (abfd)) { /* This name will fit into the symbol neatly */ strncpy (native->u.syment._n._n_name, symbol->name, SYMNMLEN); @@ -858,7 +869,8 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p, else { long filepos; - bfd_byte buf[2]; + bfd_byte buf[4]; + int prefix_len = bfd_coff_debug_string_prefix_length (abfd); /* This name should be written into the .debug section. For some reason each name is preceded by a two byte length @@ -868,24 +880,29 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p, if (*debug_string_section_p == (asection *) NULL) *debug_string_section_p = bfd_get_section_by_name (abfd, ".debug"); filepos = bfd_tell (abfd); - bfd_put_16 (abfd, name_length + 1, buf); + if (prefix_len == 4) + bfd_put_32 (abfd, name_length + 1, buf); + else + bfd_put_16 (abfd, name_length + 1, buf); + if (!bfd_set_section_contents (abfd, *debug_string_section_p, (PTR) buf, (file_ptr) *debug_string_size_p, - (bfd_size_type) 2) + (bfd_size_type) prefix_len) || !bfd_set_section_contents (abfd, *debug_string_section_p, (PTR) symbol->name, ((file_ptr) *debug_string_size_p - + 2), + + prefix_len), (bfd_size_type) name_length + 1)) abort (); if (bfd_seek (abfd, filepos, SEEK_SET) != 0) abort (); - native->u.syment._n._n_n._n_offset = *debug_string_size_p + 2; + native->u.syment._n._n_n._n_offset = + *debug_string_size_p + prefix_len; native->u.syment._n._n_n._n_zeroes = 0; - *debug_string_size_p += name_length + 3; + *debug_string_size_p += name_length + 1 + prefix_len; } } } @@ -1085,7 +1102,7 @@ coff_write_native_symbol (abfd, symbol, written, string_size_p, while (lineno[count].line_number != 0) { #if 0 - /* 13 april 92. sac + /* 13 april 92. sac I've been told this, but still need proof: > The second bug is also in `bfd/coffcode.h'. This bug > causes the linker to screw up the pc-relocations for @@ -1241,7 +1258,7 @@ coff_write_symbols (abfd) { /* This is not a COFF symbol, so it certainly is not a file name, nor does it go in the .debug section. */ - maxlen = SYMNMLEN; + maxlen = bfd_coff_force_symnames_in_strings (abfd) ? 0 : SYMNMLEN; } else if (bfd_coff_symname_in_debug (abfd, &c_symbol->native->u.syment)) @@ -1252,9 +1269,13 @@ coff_write_symbols (abfd) } else if (c_symbol->native->u.syment.n_sclass == C_FILE && c_symbol->native->u.syment.n_numaux > 0) - maxlen = bfd_coff_filnmlen (abfd); + { + if (bfd_coff_force_symnames_in_strings (abfd)) + bfd_write (".file", 1, 6, abfd); + maxlen = bfd_coff_filnmlen (abfd); + } else - maxlen = SYMNMLEN; + maxlen = bfd_coff_force_symnames_in_strings (abfd) ? 0 : SYMNMLEN; if (name_length > maxlen) { @@ -1354,7 +1375,6 @@ coff_write_linenumbers (abfd) return true; } -/*ARGSUSED */ alent * coff_get_lineno (ignore_abfd, symbol) bfd *ignore_abfd ATTRIBUTE_UNUSED; @@ -1465,7 +1485,7 @@ coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent) /* Allocate space for the ".debug" section, and read it. We did not read the debug section until now, because - we didn't want to go to the trouble until someone needed it. */ + we didn't want to go to the trouble until someone needed it. */ static char * build_debug_section (abfd) @@ -1487,7 +1507,7 @@ build_debug_section (abfd) if (debug_section == NULL) return NULL; - /* Seek to the beginning of the `.debug' section and read it. + /* Seek to the beginning of the `.debug' section and read it. Save the current position first; it is needed by our caller. Then read debug section and reset the file pointer. */ @@ -1501,7 +1521,6 @@ build_debug_section (abfd) return debug_section; } - /* Return a pointer to a malloc'd copy of 'name'. 'name' may not be \0-terminated, but will not exceed 'maxlen' characters. The copy *will* be \0-terminated. */ @@ -1589,7 +1608,7 @@ _bfd_coff_read_string_table (abfd) + obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd)), SEEK_SET) != 0) return NULL; - + if (bfd_read (extstrsize, sizeof extstrsize, 1, abfd) != sizeof extstrsize) { if (bfd_get_error () != bfd_error_file_truncated) @@ -1790,7 +1809,7 @@ coff_get_normalized_symtab (abfd) { break; } /* if end of string */ - } /* possible lengths of this string. */ + } /* possible lengths of this string. */ if ((newstring = (PTR) bfd_alloc (abfd, ++i)) == NULL) return (NULL); @@ -1888,7 +1907,6 @@ coff_bfd_make_debug_symbol (abfd, ptr, sz) return &new->symbol; } -/*ARGSUSED */ void coff_get_symbol_info (abfd, symbol, ret) bfd *abfd; @@ -2141,7 +2159,7 @@ _bfd_coff_is_local_label_name (abfd, name) /* Provided a BFD, a section and an offset (in bytes, not octets) into the section, calculate and return the name of the source file and the line nearest to the wanted location. */ -/*ARGSUSED*/ + boolean coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr, functionname_ptr, line_ptr) @@ -2168,17 +2186,25 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr, if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, &found, filename_ptr, functionname_ptr, line_ptr, - &coff_data (abfd)->line_info)) + &coff_data(abfd)->line_info)) return false; + if (found) return true; + /* Also try examining DWARF2 debugging information. */ + if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset, + filename_ptr, functionname_ptr, + line_ptr, 0, + &coff_data(abfd)->dwarf2_find_line_info)) + return true; + *filename_ptr = 0; *functionname_ptr = 0; *line_ptr = 0; /* Don't try and find line numbers in a non coff file */ - if (abfd->xvec->flavour != bfd_target_coff_flavour) + if (!bfd_family_coff (abfd)) return false; if (cof == NULL) @@ -2385,7 +2411,7 @@ bfd_coff_set_symbol_class (abfd, symbol, class) We cheat here by creating a fake native entry for it and then filling in the class. This code is based on that in coff_write_alien_symbol(). */ - + combined_entry_type * native; native = (combined_entry_type *) bfd_alloc (abfd, sizeof (* native)); @@ -2393,10 +2419,10 @@ bfd_coff_set_symbol_class (abfd, symbol, class) return false; memset (native, 0, sizeof (* native)); - + native->u.syment.n_type = T_NULL; native->u.syment.n_sclass = class; - + if (bfd_is_und_section (symbol->section)) { native->u.syment.n_scnum = N_UNDEF; @@ -2415,19 +2441,18 @@ bfd_coff_set_symbol_class (abfd, symbol, class) + symbol->section->output_offset); if (! obj_pe (abfd)) native->u.syment.n_value += symbol->section->output_section->vma; - + /* Copy the any flags from the the file header into the symbol. FIXME: Why? */ native->u.syment.n_flags = bfd_asymbol_bfd (& csym->symbol)->flags; } - + csym->native = native; } else { csym->native->u.syment.n_sclass = class; } - + return true; } - |