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* Makefile.in (bfd_libs_here, etc): Provide empty definitions.

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* coff-rs6000.c (rs6000coff_vec): Add conditional defines
	TARGET_SYM and TARGET_NAME for vector and BFD name.
	* coff-pmac.c (pmac_xcoff_vec): Remove.
	(TARGET_SYM, TARGET_NAME): Define.
	* coffcode.h (coff_set_arch_mach_hook) [POWERMAC]: Set the
	machine to 0, not all PowerMacs are 601s.
This commit is contained in:
Stan Shebs 1995-11-12 20:39:38 +00:00
parent 28816f45f5
commit c769947b4a
2 changed files with 112 additions and 8 deletions
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19
bfd/ChangeLog
View File

@ -1,3 +1,22 @@
Sun Nov 12 12:23:24 1995 Stan Shebs <shebs@andros.cygnus.com>
* Makefile.in (bfd_libs_here, etc): Provide empty definitions.
* coff-rs6000.c (rs6000coff_vec): Add conditional defines
TARGET_SYM and TARGET_NAME for vector and BFD name.
* coff-pmac.c (pmac_xcoff_vec): Remove.
(TARGET_SYM, TARGET_NAME): Define.
* coffcode.h (coff_set_arch_mach_hook) [POWERMAC]: Set the
machine to 0, not all PowerMacs are 601s.
Fri Nov 10 12:10:14 1995 Ian Lance Taylor <ian@cygnus.com>
* elfcode.h (elf_object_p): Read in any program headers.
* elf.c (_bfd_elf_make_section_from_shdr): Adjust section lma
based on the program headers, if any.
(elf_fake_sections): Set sh_addr from the vma, not the lma.
(map_program_segments): Set p_paddr of program headers based on
the lma.
Thu Nov 9 13:01:31 1995 Ian Lance Taylor <ian@cygnus.com>
* archive.c (bfd_generic_archive_p): Preserve tdata in case of

101
bfd/coffcode.h
View File

@ -928,7 +928,8 @@ coff_set_alignment_hook (abfd, section, scnhdr)
section->alignment_power = i;
}
#elif defined(COFF_WITH_PE)
#else /* ! I960 */
#ifdef COFF_WITH_PE
/* a couple of macros to help setting the alignment power field */
#define ALIGN_SET(field,x,y) \
@ -962,11 +963,51 @@ coff_set_alignment_hook (abfd, section, scnhdr)
#undef ALIGN_SET
#undef ELIFALIGN_SET
#else /* ! I960 */
#else /* ! COFF_WITH_PE */
#ifdef RS6000COFF_C
/* We grossly abuse this function to handle XCOFF overflow headers.
When we see one, we correct the reloc and line number counts in the
real header, and remove the section we just created. */
static void
coff_set_alignment_hook (abfd, section, scnhdr)
bfd *abfd;
asection *section;
PTR scnhdr;
{
struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
asection *real_sec;
asection **ps;
if ((hdr->s_flags & STYP_OVRFLO) == 0)
return;
real_sec = coff_section_from_bfd_index (abfd, hdr->s_nreloc);
if (real_sec == NULL)
return;
real_sec->reloc_count = hdr->s_paddr;
real_sec->lineno_count = hdr->s_vaddr;
for (ps = &abfd->sections; *ps != NULL; ps = &(*ps)->next)
{
if (*ps == section)
{
*ps = (*ps)->next;
--abfd->section_count;
break;
}
}
}
#else /* ! RS6000COFF_C */
#define coff_set_alignment_hook \
((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void)
#endif /* ! RS6000COFF_C */
#endif /* ! COFF_WITH_PE */
#endif /* ! I960 */
#ifndef coff_mkobject
@ -1234,7 +1275,7 @@ coff_set_arch_mach_hook (abfd, filehdr)
(because that's how they were bootstrapped originally),
but they are always PowerPC architecture. */
arch = bfd_arch_powerpc;
machine = 601;
machine = 0;
#else
arch = bfd_arch_rs6000;
machine = 6000;
@ -1829,6 +1870,15 @@ coff_compute_section_file_positions (abfd)
#endif
sofar += abfd->section_count * SCNHSZ;
#ifdef RS6000COFF_C
/* XCOFF handles overflows in the reloc and line number count fields
by allocating a new section header to hold the correct counts. */
for (current = abfd->sections; current != NULL; current = current->next)
if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
sofar += SCNHSZ;
#endif
for (current = abfd->sections, count = 1;
current != (asection *) NULL;
current = current->next, ++count)
@ -2010,16 +2060,16 @@ coff_write_object_contents (abfd)
bfd_set_error (bfd_error_system_call);
if (abfd->output_has_begun == false)
coff_compute_section_file_positions (abfd);
reloc_base = obj_relocbase (abfd);
/* Make a pass through the symbol table to count line number entries and
put them into the correct asections */
lnno_size = coff_count_linenumbers (abfd) * LINESZ;
if (abfd->output_has_begun == false)
coff_compute_section_file_positions (abfd);
reloc_base = obj_relocbase (abfd);
/* Work out the size of the reloc and linno areas */
for (current = abfd->sections; current != NULL; current =
@ -2137,6 +2187,15 @@ coff_write_object_contents (abfd)
if (current->lineno_count != 0)
haslinno = true;
#ifdef RS6000COFF_C
/* Indicate the use of an XCOFF overflow section header. */
if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
{
section.s_nreloc = 0xffff;
section.s_nlnno = 0xffff;
}
#endif
section.s_flags = sec_to_styp_flags (current->name, current->flags);
if (!strcmp (current->name, _TEXT))
@ -2176,7 +2235,33 @@ coff_write_object_contents (abfd)
}
}
#ifdef RS6000COFF_C
/* XCOFF handles overflows in the reloc and line number count fields
by creating a new section header to hold the correct values. */
for (current = abfd->sections; current != NULL; current = current->next)
{
if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
{
struct internal_scnhdr scnhdr;
SCNHDR buff;
internal_f.f_nscns++;
strncpy (&(scnhdr.s_name[0]), current->name, 8);
scnhdr.s_paddr = current->reloc_count;
scnhdr.s_vaddr = current->lineno_count;
scnhdr.s_size = 0;
scnhdr.s_scnptr = 0;
scnhdr.s_relptr = current->rel_filepos;
scnhdr.s_lnnoptr = current->line_filepos;
scnhdr.s_nreloc = current->target_index;
scnhdr.s_nlnno = current->target_index;
scnhdr.s_flags = STYP_OVRFLO;
if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0
|| bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ)
return false;
}
}
#endif
/* OK, now set up the filehdr... */