+2009-05-27 Nathan Sidwell <nathan@codesourcery.com>
+
+ * elf32-ppc.c (ppc_elf_relax_section): Work with a partial
+ link.
+ * bout.c (b_out_bfd_relax_section): Reject relocatable links.
+ * elf32-m10300.c (mn10300_elf_relax_section): Likewise.
+ * elf32-avr.c (elf32_avr_relax_section): Likewise.
+ * elf32-frv.c (elf32_avr_relax_section): Likewise.
+ * elf32-xtensa.c (elf_xtensa_relax_section): Likewise.
+ * elf64-mmix.c (mmix_elf_relax_section): Likewise.
+ * elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
+ * elfxx-sparc.c (_bfd_sparc_elf_relax_section): Likewise.
+ * reloc.c (bfd_generic_relax_section): Likewise.
+ * reloc16.c (bfd_coff_reloc16_relax_section): Likewise.
+ * vms.c (vms_bfd_relax_section): Likewise.
+
2009-05-26 H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (_bfd_elf_is_ifunc_symbol): New.
arelent **reloc_vector = NULL;
long reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
if (reloc_size < 0)
return FALSE;
asection *section = sec;
bfd_vma align_gap_adjustment;
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
/* Assume nothing changes. */
*again = FALSE;
static Elf_Internal_Rela *last_reloc = NULL;
struct elf32_avr_link_hash_table *htab;
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
htab = avr_link_hash_table (link_info);
if (htab == NULL)
return FALSE;
{
struct _frvfdpic_dynamic_got_plt_info gpinfo;
+ if (info->relocatable)
+ (*info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
/* If we return early, we didn't change anything. */
*again = FALSE;
|| isec->reloc_count == 0)
return TRUE;
+ /* We cannot represent the required PIC relocs in the output, so don't
+ do anything. The linker doesn't support mixing -shared and -r
+ anyway. */
+ if (link_info->relocatable && link_info->shared)
+ return TRUE;
+
trampoff = (isec->size + 3) & (bfd_vma) -4;
/* Space for a branch around any trampolines. */
trampoff += 4;
}
isym = isymbuf + ELF32_R_SYM (irel->r_info);
if (isym->st_shndx == SHN_UNDEF)
- continue; /* We can't do anything with undefined symbols. */
+ tsec = bfd_und_section_ptr;
else if (isym->st_shndx == SHN_ABS)
tsec = bfd_abs_section_ptr;
else if (isym->st_shndx == SHN_COMMON)
tsec = h->root.u.def.section;
toff = h->root.u.def.value;
}
+ else if (h->root.type == bfd_link_hash_undefined
+ || h->root.type == bfd_link_hash_undefweak)
+ {
+ tsec = bfd_und_section_ptr;
+ toff = 0;
+ }
else
continue;
reladdr = isec->output_section->vma + isec->output_offset + roff;
/* If the branch is in range, no need to do anything. */
- if (symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
+ if (tsec != bfd_und_section_ptr
+ && (!link_info->relocatable
+ /* A relocatable link may have sections moved during
+ final link, so do not presume they remain in range. */
+ || tsec->output_section == isec->output_section)
+ && symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
continue;
/* Look for an existing fixup to this address. */
free (internal_relocs);
*again = changes != 0;
+ if (!*again && link_info->relocatable)
+ {
+ /* Convert the internal relax relocs to external form. */
+ for (irel = internal_relocs; irel < irelend; irel++)
+ if (ELF32_R_TYPE (irel->r_info) == R_PPC_RELAX32)
+ {
+ unsigned long r_symndx = ELF32_R_SYM (irel->r_info);
+
+ /* Rewrite the reloc and convert one of the trailing nop
+ relocs to describe this relocation. */
+ BFD_ASSERT (ELF32_R_TYPE (irelend[-1].r_info) == R_PPC_NONE);
+ /* The relocs are at the bottom 2 bytes */
+ irel[0].r_offset += 2;
+ memmove (irel + 1, irel, (irelend - irel - 1) * sizeof (*irel));
+ irel[0].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_HA);
+ irel[1].r_offset += 4;
+ irel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_LO);
+ irel++;
+ }
+ }
+
return TRUE;
error_return:
static bfd_boolean relocations_analyzed = FALSE;
xtensa_relax_info *relax_info;
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
if (!relocations_analyzed)
{
/* Do some overall initialization for relaxation. */
/* Assume nothing changes. */
*again = FALSE;
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
/* We don't have to do anything if this section does not have relocs, or
if this is not a code section. */
if ((sec->flags & SEC_RELOC) == 0
one pass. */
*again = FALSE;
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
/* Don't even try to relax for non-ELF outputs. */
if (!is_elf_hash_table (link_info->hash))
return FALSE;
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
bfd_boolean *again)
{
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
*again = FALSE;
sec_do_relax (section) = 1;
return TRUE;
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
bfd_boolean *again)
{
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
*again = FALSE;
return TRUE;
}
arelent **reloc_vector = NULL;
long reloc_count;
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
/* We only do global relaxation once. It is not safe to do it multiple
times (see discussion of the "shrinks" array below). */
*again = FALSE;
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
bfd_boolean *again ATTRIBUTE_UNUSED)
{
+ if (link_info->relocatable)
+ (*link_info->callbacks->einfo)
+ (_("%P%F: --relax and -r may not be used together\n"));
+
#if VMS_DEBUG
vms_debug (1, "vms_bfd_relax_section (%p, %s, %p, <ret>)\n",
abfd, section->name, link_info);
+2009-05-26 Nathan Sidwell <nathan@codesourcery.com>
+
+ * ldmain.c (main): Don't reject --relax -r.
+ * ld.texinfo (PowerPC ELF32): Document behaviour of relaxing
+ partial links.
+
2009-05-26 Nick Clifton <nickc@redhat.com>
* po/id.po: Updated Indonesian translation.
@samp{--relax} enables the generation of trampolines that can access
the entire 32-bit address space. These trampolines are inserted at
section boundaries, so may not themselves be reachable if an input
-section exceeds 33M in size.
+section exceeds 33M in size. You may combine @samp{-r} and
+@samp{--relax} to add trampolines in a partial link. In that case
+both branches to undefined symbols and inter-section branches are also
+considered potentially out of range, and trampolines inserted.
@cindex PowerPC ELF32 options
@table @option
{
if (command_line.check_section_addresses < 0)
command_line.check_section_addresses = 0;
- if (command_line.relax)
- einfo (_("%P%F: --relax and -r may not be used together\n"));
if (link_info.shared)
einfo (_("%P%F: -r and -shared may not be used together\n"));
}
+2009-05-26 Nathan Sidwell <nathan@codesourcery.com>
+
+ * ld-powerpc/vxworks-relax-2.s: New.
+ * ld-powerpc/vxworks-relax-2.rd: New.
+ * ld-powerpc/powerpc.exp: Add it.
+
2009-05-22 Hans-Peter Nilsson <hp@axis.com>
* ld-scripts/rgn-over7.d: Adjust expected message for recent change.
"-mregnames" {vxworks-relax.s}
{{readelf --relocs vxworks-relax.rd}}
"vxworks-relax"}
+ {"VxWorks relocatable relax test"
+ "-Tvxworks1.ld -r --relax -q"
+ "-mregnames" {vxworks-relax-2.s}
+ {{readelf --relocs vxworks-relax-2.rd}}
+ "vxworks-relax-2"}
}
run_ld_link_tests $ppcvxtests
run_dump_test "vxworks1-static"
--- /dev/null
+
+Relocation section '.rela.text' at offset 0x[0-9a-f]+ contains 8 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+00000016 00000106 R_PPC_ADDR16_HA 00000000 .text \+ 4000034
+0000001a 00000104 R_PPC_ADDR16_LO 00000000 .text \+ 4000034
+00000006 00000106 R_PPC_ADDR16_HA 00000000 .text \+ 4000034
+0000000a 00000104 R_PPC_ADDR16_LO 00000000 .text \+ 4000034
+00000026 00000506 R_PPC_ADDR16_HA 00000000 undefined \+ 0
+0000002a 00000504 R_PPC_ADDR16_LO 00000000 undefined \+ 0
+0400003e 00000606 R_PPC_ADDR16_HA 00000000 _start \+ 0
+04000042 00000604 R_PPC_ADDR16_LO 00000000 _start \+ 0
--- /dev/null
+ .globl _start
+_start:
+ bl elsewhere
+ lis 9,elsewhere@ha
+ la 0,elsewhere@l(9)
+ bl undefined
+
+
+ .section .far,"ax",@progbits
+elsewhere:
+ bl _start
+
+ .section .pad
+ .space 0x4000000
projects / thirdparty / binutils-gdb.git / commitdiff
