From 45ccfd58d2c6e5796777dd8dc216f3ab55081c59 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Sat, 12 Mar 1994 17:48:16 +0000 Subject: [PATCH] * elf32-ppc.c: Renamed from elf32-powerpc.c. start-sanitize-powerpc-netware * nlm32-ppc.c: Renamed from nlm32-powerpc.c. end-sanitize-powerpc-netware * Makefile.in, configure.in: Corresponding changes. --- bfd/.Sanitize | 6 +- bfd/ChangeLog | 10 +- bfd/elf32-powerpc.c | 864 ---------------------------------------------------- bfd/nlm32-powerpc.c | 788 ----------------------------------------------- 4 files changed, 12 insertions(+), 1656 deletions(-) delete mode 100644 bfd/elf32-powerpc.c delete mode 100644 bfd/nlm32-powerpc.c diff --git a/bfd/.Sanitize b/bfd/.Sanitize index c547528..26be3d2 100644 --- a/bfd/.Sanitize +++ b/bfd/.Sanitize @@ -34,9 +34,9 @@ else fi if ( echo $* | grep keep\-powerpc\-netware > /dev/null ) ; then - keep_these_too="nlm32-powerpc.c ${keep_these_too}" + keep_these_too="nlm32-ppc.c ${keep_these_too}" else - lose_these_too="nlm32-powerpc.c ${lose_these_too}" + lose_these_too="nlm32-ppc.c ${lose_these_too}" fi # All files listed between the "Things-to-keep:" line and the @@ -130,7 +130,7 @@ elf32-i860.c elf32-m68k.c elf32-m88k.c elf32-mips.c -elf32-powerpc.c +elf32-ppc.c elf32-sparc.c elf32-target.h elf32.c diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 30d4c10..0748e88 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +Sat Mar 12 09:46:09 1994 Ian Lance Taylor (ian@cygnus.com) + + * elf32-ppc.c: Renamed from elf32-powerpc.c. + start-sanitize-powerpc-netware + * nlm32-ppc.c: Renamed from nlm32-powerpc.c. + end-sanitize-powerpc-netware + * Makefile.in, configure.in: Corresponding changes. + Fri Mar 11 22:27:19 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) * elf32-powerpc.c: Extensive changes to update to preliminary ABI. @@ -284,7 +292,7 @@ Sat Feb 19 03:17:32 1994 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) Fri Feb 18 11:41:58 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) - start-sanitize-powerpc-netware + start-sanitize-powerpc-netware Support for PowerPC NetWare. * nlm32-powerpc.c: New file. * config.bfd (powerpc-*-netware*): New target; use ppc-nlm. diff --git a/bfd/elf32-powerpc.c b/bfd/elf32-powerpc.c deleted file mode 100644 index 3d2dd01..0000000 --- a/bfd/elf32-powerpc.c +++ /dev/null @@ -1,864 +0,0 @@ -/* PowerPC-specific support for 32-bit ELF - Copyright 1994 Free Software Foundation, Inc. - Written by Ian Lance Taylor, Cygnus Support. - -This file is part of BFD, the Binary File Descriptor library. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* This file is based on a preliminary PowerPC ELF ABI. The - information may not match the final PowerPC ELF ABI. It includes - suggestions from the in-progress Embedded PowerPC ABI, and that - information may also not match. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "libelf.h" - -static bfd_reloc_status_type ppc_elf_unsupported_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type ppc_elf_addr16_ha_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type ppc_elf_got16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static const struct reloc_howto_struct *bfd_elf32_bfd_reloc_type_lookup - PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); -static void powerpc_info_to_howto - PARAMS ((bfd *abfd, arelent *cache_ptr, Elf32_Internal_Rela *dst)); - -#define USE_RELA - -enum reloc_type -{ - R_PPC_NONE = 0, - R_PPC_ADDR32, - R_PPC_ADDR24, - R_PPC_ADDR16, - R_PPC_ADDR16_LO, - R_PPC_ADDR16_HI, - R_PPC_ADDR16_HA, - R_PPC_ADDR14, - R_PPC_ADDR14_BRTAKEN, - R_PPC_ADDR14_BRNTAKEN, - R_PPC_REL24, - R_PPC_REL14, - R_PPC_REL14_BRTAKEN, - R_PPC_REL14_BRNTAKEN, - R_PPC_GOT16, - R_PPC_GOT16_LO, - R_PPC_GOT16_HI, - R_PPC_GOT16_HA, - R_PPC_PLT24, - R_PPC_COPY, - R_PPC_GLOB_DAT, - R_PPC_JMP_SLOT, - R_PPC_RELATIVE, - R_PPC_LOCAL24PC, - R_PPC_UADDR32, - R_PPC_UADDR16, - - /* The remaining relocs are from the Embedded ELF ABI, and are not - in the SVR4 ELF ABI. */ - R_PPC_CGOT16, - R_PPC_CGOT16_LO, - R_PPC_CGOT16_HI, - R_PPC_CGOT16_HA, - R_PPC_GOT_REG, - R_PPC_CGOT_REG, - R_PPC_NADDR16, - R_PPC_NADDR32, - R_PPC_NADDR24, - R_PPC_DISP16, - R_PPC_GOTRL16, - R_PPC_GOTRLA16, - R_PPC_CGOTRL16, - R_PPC_CGOTRLA16, - R_PPC_max -}; - -static reloc_howto_type elf_powerpc_howto_table[] = -{ - /* This reloc does nothing. */ - HOWTO (R_PPC_NONE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_NONE", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* A standard 32 bit relocation. */ - HOWTO (R_PPC_ADDR32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_ADDR32", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* An absolute 26 bit branch; the lower two bits must be zero. - FIXME: we don't check that, we just clear them. */ - HOWTO (R_PPC_ADDR24, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_ADDR24", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x3fffffc, /* dst_mask */ - false), /* pcrel_offset */ - - /* A standard 16 bit relocation. */ - HOWTO (R_PPC_ADDR16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_ADDR16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* A 16 bit relocation without overflow. */ - HOWTO (R_PPC_ADDR16_LO, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_ADDR16_LO", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* The high order 16 bits of an address. */ - HOWTO (R_PPC_ADDR16_HI, /* type */ - 16, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_ADDR16_HI", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* The high order 16 bits of an address, plus 1 if the contents of - the low 16 bits, treated as a signed number, is negative. */ - HOWTO (R_PPC_ADDR16_HA, /* type */ - 16, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - ppc_elf_addr16_ha_reloc, /* special_function */ - "R_PPC_ADDR16_HA", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* An absolute 16 bit branch; the lower two bits must be zero. - FIXME: we don't check that, we just clear them. */ - HOWTO (R_PPC_ADDR14, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_ADDR14", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xfffc, /* dst_mask */ - false), /* pcrel_offset */ - - /* An absolute 16 bit branch, for which bit 10 should be set to - indicate that the branch is expected to be taken. The lower two - bits must be zero. */ - HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_ADDR14_BRTAKEN",/* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xfffc, /* dst_mask */ - false), /* pcrel_offset */ - - /* An absolute 16 bit branch, for which bit 10 should be set to - indicate that the branch is not expected to be taken. The lower - two bits must be zero. */ - HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_ADDR14_BRNTAKEN",/* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xfffc, /* dst_mask */ - false), /* pcrel_offset */ - - /* A relative 26 bit branch; the lower two bits must be zero. */ - HOWTO (R_PPC_REL24, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_REL24", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x3fffffc, /* dst_mask */ - true), /* pcrel_offset */ - - /* A relative 16 bit branch; the lower two bits must be zero. */ - HOWTO (R_PPC_REL14, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_REL14", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xfffc, /* dst_mask */ - true), /* pcrel_offset */ - - /* A relative 16 bit branch. Bit 10 should be set to indicate that - the branch is expected to be taken. The lower two bits must be - zero. */ - HOWTO (R_PPC_REL14_BRTAKEN, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_REL14_BRTAKEN", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xfffc, /* dst_mask */ - true), /* pcrel_offset */ - - /* A relative 16 bit branch. Bit 10 should be set to indicate that - the branch is not expected to be taken. The lower two bits must - be zero. */ - HOWTO (R_PPC_REL14_BRNTAKEN, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_REL14_BRNTAKEN",/* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xfffc, /* dst_mask */ - true), /* pcrel_offset */ - - /* Like R_PPC_ADDR16, but referring to the GOT table entry for the - symbol. */ - HOWTO (R_PPC_GOT16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_GOT16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for - the symbol. */ - HOWTO (R_PPC_GOT16_LO, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_GOT16_LO", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for - the symbol. */ - HOWTO (R_PPC_GOT16_HI, /* type */ - 16, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_GOT16_HI", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for - the symbol. FIXME: Not supported. */ - HOWTO (R_PPC_GOT16_HA, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_GOT16_HA", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_REL24, but referring to the procedure linkage table - entry for the symbol. FIXME: Not supported. */ - HOWTO (R_PPC_PLT24, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_PLT24", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x3fffffc, /* dst_mask */ - true), /* pcrel_offset */ - - /* This is used only by the dynamic linker. The symbol should exist - both in the object being run and in some shared library. The - dynamic linker copies the data addressed by the symbol from the - shared library into the object. I have no idea what the purpose - of this is. */ - HOWTO (R_PPC_COPY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_COPY", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR32, but used when setting global offset table - entries. */ - HOWTO (R_PPC_GLOB_DAT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_GLOB_DAT", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Marks a procedure linkage table entry for a symbol. */ - HOWTO (R_PPC_JMP_SLOT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_JMP_SLOT", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* Used only by the dynamic linker. When the object is run, this - longword is set to the load address of the object, plus the - addend. */ - HOWTO (R_PPC_RELATIVE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_RELATIVE", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_REL24, but uses the value of the symbol within the - object rather than the final value. Normally used for - _GLOBAL_OFFSET_TABLE_. FIXME: Not supported. */ - HOWTO (R_PPC_LOCAL24PC, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_LOCAL24PC", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x3fffffc, /* dst_mask */ - true), /* pcrel_offset */ - - /* Like R_PPC_ADDR32, but may be unaligned. */ - HOWTO (R_PPC_UADDR32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_UADDR32", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR16, but may be unaligned. */ - HOWTO (R_PPC_UADDR16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_PPC_UADDR16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* The remaining relocs are from the Embedded ELF ABI, and are not - in the SVR4 ELF ABI. */ - - /* Like R_PPC_GOT16, but using the constant GOT table. */ - HOWTO (R_PPC_CGOT16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_CGOT16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_GOT16_LO, but using the constant GOT table. */ - HOWTO (R_PPC_CGOT16_LO, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_CGOT16_LO", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_GOT16_HI, but using the constant GOT table. */ - HOWTO (R_PPC_CGOT16_HI, /* type */ - 16, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_CGOT16_HI", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_GOT16_HA, but using the constant GOT table. */ - HOWTO (R_PPC_CGOT16_HA, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_CGOT16_HA", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* The dedicated GOT register. */ - HOWTO (R_PPC_GOT_REG, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 5, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_GOT_REG", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x1f, /* dst_mask */ - false), /* pcrel_offset */ - - /* The dedicated CGOT register. */ - HOWTO (R_PPC_CGOT_REG, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 5, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_CGOT_REG", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x1f, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR16, but subtract the symbol. */ - HOWTO (R_PPC_NADDR16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_NADDR16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR32, but subtract the symbol. */ - HOWTO (R_PPC_NADDR32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_NADDR32", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_ADDR24, but subtract the symbol. */ - HOWTO (R_PPC_NADDR24, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_NADDR24", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0x3fffffc, /* dst_mask */ - false), /* pcrel_offset */ - - /* Offset of symbol relative to containing csect. */ - HOWTO (R_PPC_DISP16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_DISP16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_GOT16, but may be converted to an address computation - instead of a load. */ - HOWTO (R_PPC_GOTRL16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_GOTRL16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_GOT16, but may be converted to a load instead of an - address computation. */ - HOWTO (R_PPC_GOTRLA16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_got16_reloc, /* special_function */ - "R_PPC_GOTRLA16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_CGOT16, but may be converted to an address computation - instead of a load. */ - HOWTO (R_PPC_CGOTRL16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_CGOTRL16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Like R_PPC_CGOT16, but may be converted to a load instead of an - address computation. */ - HOWTO (R_PPC_CGOTRLA16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - ppc_elf_unsupported_reloc, /* special_function */ - "R_PPC_CGOTRLA16", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ -}; - -/* Don't pretend we can deal with unsupported relocs. */ - -/*ARGSUSED*/ -static bfd_reloc_status_type -ppc_elf_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - abort (); -} - -/* Handle the ADDR16_HA reloc by adjusting the reloc addend. */ - -static bfd_reloc_status_type -ppc_elf_addr16_ha_reloc (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - bfd_vma relocation; - - if (output_bfd != (bfd *) NULL) - return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - relocation += (symbol->section->output_section->vma - + symbol->section->output_offset - + reloc_entry->addend); - - if ((relocation & 0x8000) != 0) - reloc_entry->addend += 0x10000; - - return bfd_reloc_continue; -} - -/* Handle the GOT16 reloc. We want to use the offset within the .got - section, not the actual VMA. This is appropriate when generating - an embedded ELF object, for which the .got section acts like the - AIX .toc section. When and if we support PIC code, we will have to - change this, perhaps by switching off on the e_type field. */ - -static bfd_reloc_status_type -ppc_elf_got16_reloc (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - asection *sec; - - if (output_bfd != (bfd *) NULL) - return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); - - sec = bfd_get_section (*reloc_entry->sym_ptr_ptr); - BFD_ASSERT (sec == &bfd_und_section - || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0 - || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0); - reloc_entry->addend -= sec->output_section->vma; - return bfd_reloc_continue; -} - -/* Map BFD reloc types to PowerPC ELF reloc types. */ - -struct powerpc_reloc_map -{ - unsigned char bfd_reloc_val; - unsigned char elf_reloc_val; -}; - -static const struct powerpc_reloc_map powerpc_reloc_map[] = -{ - { BFD_RELOC_NONE, R_PPC_NONE, }, - { BFD_RELOC_32, R_PPC_ADDR32 }, - { BFD_RELOC_CTOR, R_PPC_ADDR32 }, - { BFD_RELOC_PPC_B26, R_PPC_REL24 }, - { BFD_RELOC_PPC_BA26, R_PPC_ADDR24 }, - { BFD_RELOC_PPC_TOC16, R_PPC_GOT16 } -}; - -static const struct reloc_howto_struct * -bfd_elf32_bfd_reloc_type_lookup (abfd, code) - bfd *abfd; - bfd_reloc_code_real_type code; -{ - int i; - - for (i = 0; - i < sizeof (powerpc_reloc_map) / sizeof (struct powerpc_reloc_map); - i++) - { - if (powerpc_reloc_map[i].bfd_reloc_val == code) - return &elf_powerpc_howto_table[powerpc_reloc_map[i].elf_reloc_val]; - } - - return NULL; -} - -/* Set the howto pointer for a PowerPC ELF reloc. */ - -static void -powerpc_info_to_howto (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf32_Internal_Rela *dst; -{ - BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max); - cache_ptr->howto = &elf_powerpc_howto_table[ELF32_R_TYPE (dst->r_info)]; -} - -#define TARGET_BIG_SYM bfd_elf32_powerpc_vec -#define TARGET_BIG_NAME "elf32-powerpc" -#define ELF_ARCH bfd_arch_powerpc -#define ELF_MACHINE_CODE EM_CYGNUS_POWERPC -#define ELF_MAXPAGESIZE 0x10000 -#define elf_info_to_howto powerpc_info_to_howto - -#include "elf32-target.h" diff --git a/bfd/nlm32-powerpc.c b/bfd/nlm32-powerpc.c deleted file mode 100644 index eb7a7b5..0000000 --- a/bfd/nlm32-powerpc.c +++ /dev/null @@ -1,788 +0,0 @@ -/* Support for 32-bit PowerPC NLM (NetWare Loadable Module) - Copyright (C) 1994 Free Software Foundation, Inc. - -This file is part of BFD, the Binary File Descriptor library. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" - -#define ARCH_SIZE 32 - -#include "nlm/ppc-ext.h" -#define Nlm_External_Fixed_Header Nlm32_powerpc_External_Fixed_Header - -#include "libnlm.h" - -static boolean nlm_powerpc_backend_object_p - PARAMS ((bfd *)); -static boolean nlm_powerpc_write_prefix - PARAMS ((bfd *)); -static boolean nlm_powerpc_read_reloc - PARAMS ((bfd *, nlmNAME(symbol_type) *, asection **, arelent *)); -static boolean nlm_powerpc_mangle_relocs - PARAMS ((bfd *, asection *, PTR, bfd_vma, bfd_size_type)); -static boolean nlm_powerpc_read_import - PARAMS ((bfd *, nlmNAME(symbol_type) *)); -static boolean nlm_powerpc_write_reloc - PARAMS ((bfd *, asection *, arelent *, int)); -static boolean nlm_powerpc_write_import - PARAMS ((bfd *, asection *, arelent *)); -static boolean nlm_powerpc_write_external - PARAMS ((bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *)); - -/* PowerPC NLM's have a prefix header before the standard NLM. This - function reads it in, verifies the version, and seeks the bfd to - the location before the regular NLM header. */ - -static boolean -nlm_powerpc_backend_object_p (abfd) - bfd *abfd; -{ - struct nlm32_powerpc_external_prefix_header s; - - if (bfd_read ((PTR) &s, sizeof s, 1, abfd) != sizeof s) - return false; - - if (memcmp (s.signature, NLM32_POWERPC_SIGNATURE, sizeof s.signature) != 0 - || bfd_h_get_32 (abfd, s.headerVersion) != NLM32_POWERPC_HEADER_VERSION) - return false; - - return true; -} - -/* Write out the prefix. */ - -static boolean -nlm_powerpc_write_prefix (abfd) - bfd *abfd; -{ - struct nlm32_powerpc_external_prefix_header s; - - memset (&s, 0, sizeof s); - memcpy (s.signature, NLM32_POWERPC_SIGNATURE, sizeof s.signature); - bfd_h_put_32 (abfd, (bfd_vma) NLM32_POWERPC_HEADER_VERSION, s.headerVersion); - bfd_h_put_32 (abfd, (bfd_vma) 0, s.origins); - - /* FIXME: What should we do about the date? */ - - if (bfd_write ((PTR) &s, sizeof s, 1, abfd) != sizeof s) - return false; - - return true; -} - -/* How to process the various reloc types. PowerPC NLMs use XCOFF - reloc types, and I have just copied the XCOFF reloc table here. */ - -static reloc_howto_type nlm_powerpc_howto_table[] = -{ - /* Standard 32 bit relocation. */ - HOWTO (0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_POS", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* 32 bit relocation, but store negative value. */ - HOWTO (1, /* type */ - 0, /* rightshift */ - -2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_NEG", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* 32 bit PC relative relocation. */ - HOWTO (2, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_REL", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* 16 bit TOC relative relocation. */ - HOWTO (3, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_TOC", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* I don't really know what this is. */ - HOWTO (4, /* type */ - 1, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RTB", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* External TOC relative symbol. */ - HOWTO (5, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_GL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Local TOC relative symbol. */ - HOWTO (6, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TCL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - { 7 }, - - /* Non modifiable absolute branch. */ - HOWTO (8, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_BA", /* name */ - true, /* partial_inplace */ - 0x3fffffc, /* src_mask */ - 0x3fffffc, /* dst_mask */ - false), /* pcrel_offset */ - - { 9 }, - - /* Non modifiable relative branch. */ - HOWTO (0xa, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_BR", /* name */ - true, /* partial_inplace */ - 0x3fffffc, /* src_mask */ - 0x3fffffc, /* dst_mask */ - false), /* pcrel_offset */ - - { 0xb }, - - /* Indirect load. */ - HOWTO (0xc, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Load address. */ - HOWTO (0xd, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RLA", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - { 0xe }, - - /* Non-relocating reference. */ - HOWTO (0xf, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_REF", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - { 0x10 }, - { 0x11 }, - - /* TOC relative indirect load. */ - HOWTO (0x12, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TRL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* TOC relative load address. */ - HOWTO (0x13, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TRLA", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable relative branch. */ - HOWTO (0x14, /* type */ - 1, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RRTBI", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable absolute branch. */ - HOWTO (0x15, /* type */ - 1, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RRTBA", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable call absolute indirect. */ - HOWTO (0x16, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_CAI", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable call relative. */ - HOWTO (0x17, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_REL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable branch absolute. */ - HOWTO (0x18, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RBA", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable branch absolute. */ - HOWTO (0x19, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RBAC", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable branch relative. */ - HOWTO (0x1a, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_REL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* Modifiable branch absolute. */ - HOWTO (0x1b, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_REL", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false) /* pcrel_offset */ -}; - -#define HOWTO_COUNT (sizeof nlm_powerpc_howto_table \ - / sizeof nlm_powerpc_howto_table[0]) - -/* Read a PowerPC NLM reloc. */ - -static boolean -nlm_powerpc_read_reloc (abfd, sym, secp, rel) - bfd *abfd; - nlmNAME(symbol_type) *sym; - asection **secp; - arelent *rel; -{ - struct nlm32_powerpc_external_reloc ext; - bfd_vma l_vaddr; - unsigned long l_symndx; - int l_rtype; - int l_rsecnm; - asection *code_sec, *data_sec, *bss_sec; - - /* Read the reloc from the file. */ - if (bfd_read (&ext, sizeof ext, 1, abfd) != sizeof ext) - { - bfd_set_error (bfd_error_system_call); - return false; - } - - /* Swap in the fields. */ - l_vaddr = bfd_h_get_32 (abfd, ext.l_vaddr); - l_symndx = bfd_h_get_32 (abfd, ext.l_symndx); - l_rtype = bfd_h_get_16 (abfd, ext.l_rtype); - l_rsecnm = bfd_h_get_16 (abfd, ext.l_rsecnm); - - /* Get the sections now, for convenience. */ - code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME); - data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME); - bss_sec = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME); - - /* Work out the arelent fields. */ - if (sym != NULL) - { - /* This is an import. sym_ptr_ptr is filled in by - nlm_canonicalize_reloc. */ - rel->sym_ptr_ptr = NULL; - } - else - { - asection *sec; - - if (l_symndx == 0) - sec = code_sec; - else if (l_symndx == 1) - sec = data_sec; - else if (l_symndx == 2) - sec = bss_sec; - else - { - bfd_set_error (bfd_error_bad_value); - return false; - } - - rel->sym_ptr_ptr = sec->symbol_ptr_ptr; - } - - rel->addend = 0; - - BFD_ASSERT ((l_rtype & 0xff) < HOWTO_COUNT); - - rel->howto = nlm_powerpc_howto_table + (l_rtype & 0xff); - - BFD_ASSERT (rel->howto->name != NULL - && ((l_rtype & 0x8000) != 0 - ? (rel->howto->complain_on_overflow - == complain_overflow_signed) - : (rel->howto->complain_on_overflow - == complain_overflow_bitfield)) - && ((l_rtype >> 8) & 0x1f) == rel->howto->bitsize - 1); - - if (l_rsecnm == 0) - *secp = code_sec; - else if (l_rsecnm == 1) - { - *secp = data_sec; - l_vaddr -= bfd_section_size (abfd, code_sec); - } - else - { - bfd_set_error (bfd_error_bad_value); - return false; - } - - rel->address = l_vaddr; - - return true; -} - -/* Mangle PowerPC NLM relocs for output. */ - -static boolean -nlm_powerpc_mangle_relocs (abfd, sec, data, offset, count) - bfd *abfd; - asection *sec; - PTR data; - bfd_vma offset; - bfd_size_type count; -{ - return true; -} - -/* Read a PowerPC NLM import record */ - -static boolean -nlm_powerpc_read_import (abfd, sym) - bfd *abfd; - nlmNAME(symbol_type) *sym; -{ - struct nlm_relent *nlm_relocs; /* relocation records for symbol */ - bfd_size_type rcount; /* number of relocs */ - bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* temporary 32-bit value */ - unsigned char symlength; /* length of symbol name */ - - if (bfd_read ((PTR) &symlength, sizeof (symlength), 1, abfd) - != sizeof (symlength)) - { - bfd_set_error (bfd_error_system_call); - return (false); - } - sym -> symbol.the_bfd = abfd; - sym -> symbol.name = bfd_alloc (abfd, symlength + 1); - if (bfd_read ((PTR) sym -> symbol.name, symlength, 1, abfd) - != symlength) - { - bfd_set_error (bfd_error_system_call); - return (false); - } - sym -> symbol.flags = 0; - sym -> symbol.value = 0; - sym -> symbol.section = &bfd_und_section; - if (bfd_read ((PTR) temp, sizeof (temp), 1, abfd) != sizeof (temp)) - { - bfd_set_error (bfd_error_system_call); - return (false); - } - rcount = bfd_h_get_32 (abfd, temp); - nlm_relocs = ((struct nlm_relent *) - bfd_alloc (abfd, rcount * sizeof (struct nlm_relent))); - if (nlm_relocs == (struct nlm_relent *) NULL) - { - bfd_set_error (bfd_error_no_memory); - return false; - } - sym -> relocs = nlm_relocs; - sym -> rcnt = 0; - while (sym -> rcnt < rcount) - { - asection *section; - - if (nlm_powerpc_read_reloc (abfd, sym, §ion, - &nlm_relocs -> reloc) - == false) - return false; - nlm_relocs -> section = section; - nlm_relocs++; - sym -> rcnt++; - } - return true; -} - -/* Write a PowerPC NLM reloc. */ - -static boolean -nlm_powerpc_write_reloc (abfd, sec, rel, indx) - bfd *abfd; - asection *sec; - arelent *rel; - int indx; -{ - struct nlm32_powerpc_external_reloc ext; - asection *code_sec, *data_sec, *bss_sec; - asymbol *sym; - asection *symsec; - unsigned long l_symndx; - int l_rtype; - int l_rsecnm; - const reloc_howto_type *howto; - bfd_size_type address; - - /* Get the sections now, for convenience. */ - code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME); - data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME); - bss_sec = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME); - - sym = *rel->sym_ptr_ptr; - symsec = bfd_get_section (sym); - if (indx != -1) - { - BFD_ASSERT (symsec == &bfd_und_section); - l_symndx = indx + 3; - } - else - { - if (symsec == code_sec) - l_symndx = 0; - else if (symsec == data_sec) - l_symndx = 1; - else if (symsec == bss_sec) - l_symndx = 2; - else - { - bfd_set_error (bfd_error_bad_value); - return false; - } - } - - bfd_h_put_32 (abfd, (bfd_vma) l_symndx, ext.l_symndx); - - for (howto = nlm_powerpc_howto_table; - howto < nlm_powerpc_howto_table + HOWTO_COUNT; - howto++) - { - if (howto->rightshift == rel->howto->rightshift - && howto->size == rel->howto->size - && howto->bitsize == rel->howto->bitsize - && howto->pc_relative == rel->howto->pc_relative - && howto->bitpos == rel->howto->bitpos - && (howto->partial_inplace == rel->howto->partial_inplace - || (! rel->howto->partial_inplace - && rel->addend == 0)) - && (howto->src_mask == rel->howto->src_mask - || (rel->howto->src_mask == 0 - && rel->addend == 0)) - && howto->dst_mask == rel->howto->dst_mask - && howto->pcrel_offset == rel->howto->pcrel_offset) - break; - } - if (howto >= nlm_powerpc_howto_table + HOWTO_COUNT) - { - bfd_set_error (bfd_error_bad_value); - return false; - } - - l_rtype = howto->type; - if (howto->complain_on_overflow == complain_overflow_signed) - l_rtype |= 0x8000; - l_rtype |= (howto->bitsize - 1) << 8; - bfd_h_put_16 (abfd, (bfd_vma) l_rtype, ext.l_rtype); - - address = rel->address; - - if (sec == code_sec) - l_rsecnm = 0; - else if (sec == data_sec) - { - l_rsecnm = 1; - address += bfd_section_size (abfd, code_sec); - } - else - { - bfd_set_error (bfd_error_bad_value); - return false; - } - - bfd_h_put_16 (abfd, (bfd_vma) l_rsecnm, ext.l_rsecnm); - bfd_h_put_32 (abfd, (bfd_vma) address, ext.l_vaddr); - - if (bfd_write (&ext, sizeof ext, 1, abfd) != sizeof ext) - return false; - - return true; -} - -/* Write a PowerPC NLM import. */ - -static boolean -nlm_powerpc_write_import (abfd, sec, rel) - bfd *abfd; - asection *sec; - arelent *rel; -{ - return nlm_powerpc_write_reloc (abfd, sec, rel, -1); -} - -/* Write a PowerPC NLM external symbol. This routine keeps a static - count of the symbol index. FIXME: I don't know if this is - necessary, and the index never gets reset. */ - -static boolean -nlm_powerpc_write_external (abfd, count, sym, relocs) - bfd *abfd; - bfd_size_type count; - asymbol *sym; - struct reloc_and_sec *relocs; -{ - int i; - bfd_byte len; - unsigned char temp[NLM_TARGET_LONG_SIZE]; - static int indx; - - len = strlen (sym->name); - if ((bfd_write (&len, sizeof (bfd_byte), 1, abfd) != sizeof(bfd_byte)) - || bfd_write (sym->name, len, 1, abfd) != len) - { - bfd_set_error (bfd_error_system_call); - return false; - } - - bfd_put_32 (abfd, count, temp); - if (bfd_write (temp, sizeof(temp), 1, abfd) != sizeof (temp)) - { - bfd_set_error (bfd_error_system_call); - return false; - } - - for (i = 0; i < count; i++) - { - if (nlm_powerpc_write_reloc (abfd, relocs[i].sec, - relocs[i].rel, indx) == false) - return false; - } - - ++indx; - - return true; -} - -#include "nlmswap.h" - -static const struct nlm_backend_data nlm32_powerpc_backend = -{ - "NetWare PowerPC Module \032", - sizeof (Nlm32_powerpc_External_Fixed_Header), - sizeof (struct nlm32_powerpc_external_prefix_header), - bfd_arch_powerpc, - 0, - false, - nlm_powerpc_backend_object_p, - nlm_powerpc_write_prefix, - nlm_powerpc_read_reloc, - nlm_powerpc_mangle_relocs, - nlm_powerpc_read_import, - nlm_powerpc_write_import, - 0, /* set_public_section */ - 0, /* get_public_offset */ - nlm_swap_fixed_header_in, - nlm_swap_fixed_header_out, - nlm_powerpc_write_external, - 0, /* write_export */ -}; - -#define TARGET_BIG_NAME "nlm32-powerpc" -#define TARGET_BIG_SYM nlmNAME(powerpc_vec) -#define TARGET_BACKEND_DATA &nlm32_powerpc_backend - -#include "nlm-target.h" -- 2.7.4