/* Support for 32-bit PowerPC NLM (NetWare Loadable Module)
- Copyright 1994, 1995, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2007 Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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 3 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.h"
#define Nlm_External_Fixed_Header Nlm32_powerpc_External_Fixed_Header
#include "libnlm.h"
-
-#ifdef OLDFORMAT
-static boolean nlm_powerpc_backend_object_p
- PARAMS ((bfd *));
-static boolean nlm_powerpc_write_prefix
- PARAMS ((bfd *));
-#endif
-
-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) *));
-
-#ifdef OLDFORMAT
-static boolean nlm_powerpc_write_reloc
- PARAMS ((bfd *, asection *, arelent *, int));
-#endif
-
-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 *));
-
-#ifndef OLDFORMAT
-static boolean nlm_powerpc_set_public_section
- PARAMS ((bfd *, nlmNAME(symbol_type) *));
-static bfd_vma nlm_powerpc_get_public_offset
- PARAMS ((bfd *, asymbol *));
-#endif
\f
#ifdef OLDFORMAT
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;
+static bfd_boolean
+nlm_powerpc_backend_object_p (bfd *abfd)
{
struct nlm32_powerpc_external_prefix_header s;
- if (bfd_bread ((PTR) &s, (bfd_size_type) sizeof s, abfd) != sizeof s)
- return false;
+ if (bfd_bread (& s, (bfd_size_type) sizeof s, abfd) != sizeof s)
+ return FALSE;
if (memcmp (s.signature, NLM32_POWERPC_SIGNATURE, sizeof s.signature) != 0
|| H_GET_32 (abfd, s.headerVersion) != NLM32_POWERPC_HEADER_VERSION)
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
/* Write out the prefix. */
-static boolean
-nlm_powerpc_write_prefix (abfd)
- bfd *abfd;
+static bfd_boolean
+nlm_powerpc_write_prefix (bfd *abfd)
{
struct nlm32_powerpc_external_prefix_header s;
/* FIXME: What should we do about the date? */
- if (bfd_bwrite ((PTR) &s, (bfd_size_type) sizeof s, abfd) != sizeof s)
- return false;
-
- return true;
-}
-
-#endif /* OLDFORMAT */
-\f
-#ifndef OLDFORMAT
-
-/* There is only one type of reloc in a PowerPC NLM. */
-
-static reloc_howto_type nlm_powerpc_howto =
- 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 */
- "32", /* name */
- true, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- false); /* pcrel_offset */
-
-/* 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;
-{
- bfd_byte temp[4];
- bfd_vma val;
- const char *name;
-
- if (bfd_bread (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
- return false;
-
- val = bfd_get_32 (abfd, temp);
-
- /* The value is a word offset into either the code or data segment.
- This is the location which needs to be adjusted.
-
- The high bit is 0 if the value is an offset into the data
- segment, or 1 if the value is an offset into the text segment.
-
- If this is a relocation fixup rather than an imported symbol (the
- sym argument is NULL), then the second most significant bit is 0
- if the address of the data segment should be added to the
- location addressed by the value, or 1 if the address of the text
- segment should be added.
-
- If this is an imported symbol, the second most significant bit is
- not used and must be 0. */
-
- if ((val & NLM_HIBIT) == 0)
- name = NLM_INITIALIZED_DATA_NAME;
- else
- {
- name = NLM_CODE_NAME;
- val &=~ NLM_HIBIT;
- }
- *secp = bfd_get_section_by_name (abfd, name);
-
- if (sym == NULL)
- {
- if ((val & (NLM_HIBIT >> 1)) == 0)
- name = NLM_INITIALIZED_DATA_NAME;
- else
- {
- name = NLM_CODE_NAME;
- val &=~ (NLM_HIBIT >> 1);
- }
- rel->sym_ptr_ptr = bfd_get_section_by_name (abfd, name)->symbol_ptr_ptr;
- }
-
- rel->howto = &nlm_powerpc_howto;
+ if (bfd_bwrite (& s, (bfd_size_type) sizeof s, abfd) != sizeof s)
+ return FALSE;
- rel->address = val << 2;
- rel->addend = 0;
-
- return true;
+ return TRUE;
}
-#else /* OLDFORMAT */
-
/* This reloc handling is only applicable to the old format. */
/* How to process the various reloc types. PowerPC NLMs use XCOFF
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 */
+ 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, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0x3fffffc, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0x3fffffc, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE), /* PC rel 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 */
+ 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, /* Source mask. */
+ 0xffff, /* Dest mask. */
+ FALSE) /* PC rel offset. */
};
#define HOWTO_COUNT (sizeof nlm_powerpc_howto_table \
/* 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;
+static bfd_boolean
+nlm_powerpc_read_reloc (bfd *abfd,
+ nlmNAME (symbol_type) *sym,
+ asection **secp,
+ arelent *rel)
{
struct nlm32_powerpc_external_reloc ext;
bfd_vma l_vaddr;
/* Read the reloc from the file. */
if (bfd_bread (&ext, (bfd_size_type) sizeof ext, abfd) != sizeof ext)
- return false;
+ return FALSE;
/* Swap in the fields. */
l_vaddr = H_GET_32 (abfd, ext.l_vaddr);
/* 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;
- }
+ /* This is an import. sym_ptr_ptr is filled in by
+ nlm_canonicalize_reloc. */
+ rel->sym_ptr_ptr = NULL;
else
{
asection *sec;
else
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
rel->sym_ptr_ptr = sec->symbol_ptr_ptr;
else if (l_rsecnm == 1)
{
*secp = data_sec;
- l_vaddr -= bfd_section_size (abfd, code_sec);
+ l_vaddr -= code_sec->size;
}
else
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
rel->address = l_vaddr;
- return true;
+ return TRUE;
}
-#endif /* OLDFORMAT */
+#else /* not OLDFORMAT */
+
+/* There is only one type of reloc in a PowerPC NLM. */
+
+static reloc_howto_type nlm_powerpc_howto =
+ 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. */
+ "32", /* Name. */
+ TRUE, /* Partial_inplace. */
+ 0xffffffff, /* Source mask. */
+ 0xffffffff, /* Dest mask. */
+ FALSE); /* PC rel_offset. */
+
+/* Read a PowerPC NLM reloc. */
+
+static bfd_boolean
+nlm_powerpc_read_reloc (bfd *abfd,
+ nlmNAME (symbol_type) *sym,
+ asection **secp,
+ arelent *rel)
+{
+ bfd_byte temp[4];
+ bfd_vma val;
+ const char *name;
+
+ if (bfd_bread (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
+ return FALSE;
+
+ val = bfd_get_32 (abfd, temp);
+
+ /* The value is a word offset into either the code or data segment.
+ This is the location which needs to be adjusted.
+
+ The high bit is 0 if the value is an offset into the data
+ segment, or 1 if the value is an offset into the text segment.
+
+ If this is a relocation fixup rather than an imported symbol (the
+ sym argument is NULL), then the second most significant bit is 0
+ if the address of the data segment should be added to the
+ location addressed by the value, or 1 if the address of the text
+ segment should be added.
+
+ If this is an imported symbol, the second most significant bit is
+ not used and must be 0. */
+
+ if ((val & NLM_HIBIT) == 0)
+ name = NLM_INITIALIZED_DATA_NAME;
+ else
+ {
+ name = NLM_CODE_NAME;
+ val &=~ NLM_HIBIT;
+ }
+ *secp = bfd_get_section_by_name (abfd, name);
+
+ if (sym == NULL)
+ {
+ if ((val & (NLM_HIBIT >> 1)) == 0)
+ name = NLM_INITIALIZED_DATA_NAME;
+ else
+ {
+ name = NLM_CODE_NAME;
+ val &=~ (NLM_HIBIT >> 1);
+ }
+ rel->sym_ptr_ptr = bfd_get_section_by_name (abfd, name)->symbol_ptr_ptr;
+ }
+
+ rel->howto = & nlm_powerpc_howto;
+ rel->address = val << 2;
+ rel->addend = 0;
+
+ return TRUE;
+}
+
+#endif /* not OLDFORMAT */
/* Mangle PowerPC NLM relocs for output. */
-static boolean
-nlm_powerpc_mangle_relocs (abfd, sec, data, offset, count)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec ATTRIBUTE_UNUSED;
- PTR data ATTRIBUTE_UNUSED;
- bfd_vma offset ATTRIBUTE_UNUSED;
- bfd_size_type count ATTRIBUTE_UNUSED;
+static bfd_boolean
+nlm_powerpc_mangle_relocs (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec ATTRIBUTE_UNUSED,
+ const void * data ATTRIBUTE_UNUSED,
+ bfd_vma offset ATTRIBUTE_UNUSED,
+ bfd_size_type count ATTRIBUTE_UNUSED)
{
- return true;
+ return TRUE;
}
/* Read a PowerPC NLM import record */
-static boolean
-nlm_powerpc_read_import (abfd, sym)
- bfd *abfd;
- nlmNAME(symbol_type) *sym;
+static bfd_boolean
+nlm_powerpc_read_import (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 */
+ 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. */
char *name;
- if (bfd_bread ((PTR) &symlength, (bfd_size_type) sizeof (symlength), abfd)
+ if (bfd_bread (& symlength, (bfd_size_type) sizeof (symlength), abfd)
!= sizeof (symlength))
- return (false);
+ return FALSE;
sym -> symbol.the_bfd = abfd;
name = bfd_alloc (abfd, (bfd_size_type) symlength + 1);
if (name == NULL)
- return false;
+ return FALSE;
if (bfd_bread (name, (bfd_size_type) symlength, abfd) != symlength)
- return (false);
+ return FALSE;
name[symlength] = '\0';
sym -> symbol.name = name;
sym -> symbol.flags = 0;
sym -> symbol.value = 0;
sym -> symbol.section = bfd_und_section_ptr;
- if (bfd_bread ((PTR) temp, (bfd_size_type) sizeof (temp), abfd)
+ if (bfd_bread (temp, (bfd_size_type) sizeof (temp), abfd)
!= sizeof (temp))
- return (false);
+ return FALSE;
rcount = 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)
- return false;
+ nlm_relocs = bfd_alloc (abfd, rcount * sizeof (struct nlm_relent));
+ if (nlm_relocs == NULL)
+ 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))
- return false;
+ return FALSE;
nlm_relocs -> section = section;
nlm_relocs++;
sym -> rcnt++;
}
- return true;
+ return TRUE;
}
#ifndef OLDFORMAT
/* Write a PowerPC NLM reloc. */
-static boolean
-nlm_powerpc_write_import (abfd, sec, rel)
- bfd *abfd;
- asection *sec;
- arelent *rel;
+static bfd_boolean
+nlm_powerpc_write_import (bfd * abfd, asection * sec, arelent * rel)
{
asymbol *sym;
bfd_vma val;
|| rel->howto->dst_mask != 0xffffffff)
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
sym = *rel->sym_ptr_ptr;
if ((val & 3) != 0)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
val >>= 2;
bfd_put_32 (abfd, val, temp);
if (bfd_bwrite (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
#else /* OLDFORMAT */
/* Write a PowerPC NLM reloc. */
-static boolean
-nlm_powerpc_write_reloc (abfd, sec, rel, indx)
- bfd *abfd;
- asection *sec;
- arelent *rel;
- int indx;
+static bfd_boolean
+nlm_powerpc_write_reloc (bfd *abfd,
+ asection *sec,
+ arelent *rel,
+ int indx)
{
struct nlm32_powerpc_external_reloc ext;
asection *code_sec, *data_sec, *bss_sec;
else
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
}
if (howto >= nlm_powerpc_howto_table + HOWTO_COUNT)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
l_rtype = howto->type;
else if (sec == data_sec)
{
l_rsecnm = 1;
- address += bfd_section_size (abfd, code_sec);
+ address += code_sec->size;
}
else
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
H_PUT_16 (abfd, l_rsecnm, ext.l_rsecnm);
H_PUT_32 (abfd, address, ext.l_vaddr);
if (bfd_bwrite (&ext, (bfd_size_type) sizeof ext, abfd) != sizeof ext)
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
/* Write a PowerPC NLM import. */
-static boolean
-nlm_powerpc_write_import (abfd, sec, rel)
- bfd *abfd;
- asection *sec;
- arelent *rel;
+static bfd_boolean
+nlm_powerpc_write_import (bfd * abfd, asection * sec, arelent * rel)
{
return nlm_powerpc_write_reloc (abfd, sec, rel, -1);
}
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;
+static bfd_boolean
+nlm_powerpc_write_external (bfd *abfd,
+ bfd_size_type count,
+ asymbol *sym,
+ struct reloc_and_sec *relocs)
{
unsigned int i;
bfd_byte len;
if ((bfd_bwrite (&len, (bfd_size_type) sizeof (bfd_byte), abfd)
!= sizeof (bfd_byte))
|| bfd_bwrite (sym->name, (bfd_size_type) len, abfd) != len)
- return false;
+ return FALSE;
bfd_put_32 (abfd, count, temp);
if (bfd_bwrite (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
- return false;
+ return FALSE;
for (i = 0; i < count; i++)
{
#ifndef OLDFORMAT
if (! nlm_powerpc_write_import (abfd, relocs[i].sec, relocs[i].rel))
- return false;
+ return FALSE;
#else
if (! nlm_powerpc_write_reloc (abfd, relocs[i].sec,
relocs[i].rel, indx))
- return false;
+ return FALSE;
#endif
}
++indx;
#endif
- return true;
+ return TRUE;
}
\f
#ifndef OLDFORMAT
/* Set the section for a public symbol. */
-static boolean
-nlm_powerpc_set_public_section (abfd, sym)
- bfd *abfd;
- nlmNAME(symbol_type) *sym;
+static bfd_boolean
+nlm_powerpc_set_public_section (bfd *abfd, nlmNAME (symbol_type) *sym)
{
if (sym->symbol.value & NLM_HIBIT)
{
bfd_get_section_by_name (abfd, NLM_CODE_NAME);
}
else
- {
- sym->symbol.section =
- bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
- }
+ sym->symbol.section =
+ bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
sym->symbol.value <<= 2;
- return true;
+ return TRUE;
}
/* Get the offset to write out for a public symbol. */
static bfd_vma
-nlm_powerpc_get_public_offset (abfd, sym)
- bfd *abfd;
- asymbol *sym;
+nlm_powerpc_get_public_offset (bfd *abfd, asymbol *sym)
{
bfd_vma offset;
asection *sec;
"NetWare PowerPC Module \032",
sizeof (Nlm32_powerpc_External_Fixed_Header),
#ifndef OLDFORMAT
- 0, /* optional_prefix_size */
+ 0, /* Optional_prefix_size. */
#else
sizeof (struct nlm32_powerpc_external_prefix_header),
#endif
bfd_arch_powerpc,
0,
- false,
+ FALSE,
#ifndef OLDFORMAT
- 0, /* backend_object_p */
- 0, /* write_prefix */
+ 0, /* Backend_object_p. */
+ 0, /* Write_prefix. */
#else
nlm_powerpc_backend_object_p,
nlm_powerpc_write_prefix,
nlm_powerpc_set_public_section,
nlm_powerpc_get_public_offset,
#else
- 0, /* set_public_section */
- 0, /* get_public_offset */
+ 0, /* Set_public_section. */
+ 0, /* Get_public_offset. */
#endif
nlm_swap_fixed_header_in,
nlm_swap_fixed_header_out,
nlm_powerpc_write_external,
- 0, /* write_export */
+ 0, /* Write_export. */
};
#define TARGET_BIG_NAME "nlm32-powerpc"
-#define TARGET_BIG_SYM nlmNAME(powerpc_vec)
-#define TARGET_BACKEND_DATA &nlm32_powerpc_backend
+#define TARGET_BIG_SYM nlmNAME (powerpc_vec)
+#define TARGET_BACKEND_DATA & nlm32_powerpc_backend
#include "nlm-target.h"
OSDN Git Service
