diff options
| author | Jean Marie Diaz <ambar@cygnus> | 1994-08-03 20:51:59 +0000 |
|---|---|---|
| committer | Jean Marie Diaz <ambar@cygnus> | 1994-08-03 20:51:59 +0000 |
| commit | 1b8a11d4309f1024f9794e97643185f190da734c (patch) | |
| tree | 22e45b7d593547887c658d25f75de20b56da4e21 /bfd | |
| parent | 043b05b26b6562d9a20d260954a66de46089408b (diff) | |
| download | gdb-1b8a11d4309f1024f9794e97643185f190da734c.zip gdb-1b8a11d4309f1024f9794e97643185f190da734c.tar.gz gdb-1b8a11d4309f1024f9794e97643185f190da734c.tar.bz2 | |
* coff-i960.c (coff_i960_relocate): Rewrote to change relocs
against locally defined symbols into relocs against section
symbols, for VxWorks 5.1.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/coff-i960.c | 48 |
2 files changed, 47 insertions, 7 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 998870a..5acc245 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +Wed Aug 3 16:45:41 1994 Ian Lance Taylor (ian@sanguine.cygnus.com) + + * coff-i960.c (coff_i960_relocate): Rewrote to change relocs + against locally defined symbols into relocs against section + symbols, for VxWorks 5.1. + Wed Aug 3 10:34:37 1994 Eric Youngdale (ericy@cais.cais.com) * i386linux.c (linux_add_one_symbol): Only handle diff --git a/bfd/coff-i960.c b/bfd/coff-i960.c index b911f9c..cfbe5fd 100644 --- a/bfd/coff-i960.c +++ b/bfd/coff-i960.c @@ -107,8 +107,13 @@ optcall_callback (abfd, reloc_entry, symbol_in, data, return result; } -/* When generating relocateable output, we don't want to do anything - for a reloc against a globally visible symbol. */ +/* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not + appear to correctly handle a reloc against a symbol defined in the + same object file. It appears to simply discard such relocs, rather + than adding their values into the object file. We handle this here + by converting all relocs against defined symbols into relocs + against the section symbol, when generating a relocateable output + file. */ static bfd_reloc_status_type coff_i960_relocate (abfd, reloc_entry, symbol, data, input_section, @@ -121,14 +126,43 @@ coff_i960_relocate (abfd, reloc_entry, symbol, data, input_section, bfd *output_bfd; char **error_message; { - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) + const char *sec_name; + asymbol **syms, **sym_end; + + if (output_bfd == NULL) { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; + /* Not generating relocateable output file. */ + return bfd_reloc_continue; } + if (bfd_is_und_section (bfd_get_section (symbol))) + { + /* Symbol is not defined, so no need to worry about it. */ + return bfd_reloc_continue; + } + + /* Convert the reloc to use the section symbol. FIXME: This method + is ridiculous. */ + sec_name = bfd_get_section_name (output_bfd, + bfd_get_section (symbol)->output_section); + syms = bfd_get_outsymbols (output_bfd); + sym_end = syms + bfd_get_symcount (output_bfd); + for (; syms < sym_end; syms++) + { + if (bfd_asymbol_name (*syms) != NULL + && strcmp (bfd_asymbol_name (*syms), sec_name) == 0 + && (*syms)->value == 0) + { + reloc_entry->sym_ptr_ptr = syms; + break; + } + } + + if (syms >= sym_end) + abort (); + + /* Let bfd_perform_relocation do its thing, which will include + stuffing the symbol addend into the object file. */ return bfd_reloc_continue; } |