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* ppc.h (R_PPC_RELAX32_PLT, R_PPC_RELAX32PC_PLT): Define.
	(R_PPC_RELAX32, R_PPC_RELAX32PC): Adjust value.
bfd/
	* elf32-ppc.c (ppc_elf_howto_raw): Delete RELAX32* entries.
	(ppc_elf_relax_section): Use PLT variants of RELAX32 relocs for
	reaching PLT.
	(ppc_elf_relocate_section): Handle R_PPC_RELAX32_PLT and
	R_PPC_RELAX32PC_PLT.
This commit is contained in:
Alan Modra 2005-01-12 11:28:28 +00:00
parent b8b80cf7d5
commit b4a38de6b6
4 changed files with 38 additions and 31 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2005-01-12 Alan Modra <amodra@bigpond.net.au>
* elf32-ppc.c (ppc_elf_howto_raw): Delete RELAX32* entries.
(ppc_elf_relax_section): Use PLT variants of RELAX32 relocs for
reaching PLT.
(ppc_elf_relocate_section): Handle R_PPC_RELAX32_PLT and
R_PPC_RELAX32PC_PLT.
2005-01-11 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (ppc64_elf_gc_sweep_hook): Follow indirect and warning

50
bfd/elf32-ppc.c
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@ -1533,35 +1533,6 @@ static reloc_howto_type ppc_elf_howto_raw[] = {
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* Phony relocs to handle branch stubs. */
HOWTO (R_PPC_RELAX32, /* type */
0, /* rightshift */
0, /* size */
0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC_RELAX32", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
FALSE), /* pcrel_offset */
HOWTO (R_PPC_RELAX32PC, /* type */
0, /* rightshift */
0, /* size */
0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC_RELAX32PC", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
FALSE), /* pcrel_offset */
/* GNU extension to record C++ vtable hierarchy. */
HOWTO (R_PPC_GNU_VTINHERIT, /* type */
0, /* rightshift */
@ -1867,6 +1838,12 @@ ppc_elf_relax_section (bfd *abfd,
stub_rtype = R_PPC_RELAX32;
}
if (R_PPC_RELAX32_PLT - R_PPC_RELAX32
!= R_PPC_RELAX32PC_PLT - R_PPC_RELAX32PC)
abort ();
if (tsec == ppc_info->plt)
stub_rtype += R_PPC_RELAX32_PLT - R_PPC_RELAX32;
/* Hijack the old relocation. Since we need two
relocations for this use a "composite" reloc. */
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
@ -5422,12 +5399,27 @@ ppc_elf_relocate_section (bfd *output_bfd,
}
break;
case R_PPC_RELAX32PC_PLT:
case R_PPC_RELAX32_PLT:
BFD_ASSERT (h != NULL
&& h->plt.offset != (bfd_vma) -1
&& htab->plt != NULL);
relocation = (htab->plt->output_section->vma
+ htab->plt->output_offset
+ h->plt.offset);
if (r_type == R_PPC_RELAX32_PLT)
goto relax32;
/* Fall thru */
case R_PPC_RELAX32PC:
relocation -= (input_section->output_section->vma
+ input_section->output_offset
+ rel->r_offset - 4);
/* Fall thru */
case R_PPC_RELAX32:
relax32:
{
unsigned long t0;
unsigned long t1;

5
include/elf/ChangeLog
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@ -1,3 +1,8 @@
2005-01-12 Alan Modra <amodra@bigpond.net.au>
* ppc.h (R_PPC_RELAX32_PLT, R_PPC_RELAX32PC_PLT): Define.
(R_PPC_RELAX32, R_PPC_RELAX32PC): Adjust value.
2004-12-22 Klaus Rudolph <lts-rudolph@gmx.de>
* include/elf/avr.h (R_AVR_LDI, R_AVR_6, R_AVR_6_ADIW): New

6
include/elf/ppc.h
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@ -122,8 +122,10 @@ START_RELOC_NUMBERS (elf_ppc_reloc_type)
/* Fake relocations for branch stubs. This will keep them
together. */
#define R_PPC_RELAX32 251
#define R_PPC_RELAX32PC 252
#define R_PPC_RELAX32 249
#define R_PPC_RELAX32PC 250
#define R_PPC_RELAX32_PLT 251
#define R_PPC_RELAX32PC_PLT 252
/* These are GNU extensions to enable C++ vtable garbage collection. */
RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)