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authorKim Knuttila <krk@cygnus>1995-09-27 11:34:10 +0000
committerKim Knuttila <krk@cygnus>1995-09-27 11:34:10 +0000
commite7aa05bfcfa8bed193865802c7a98ce5a6995e6b (patch)
tree01d0f7be6f4b16ae97a668c7ff1d809eae5fc7c4 /bfd
parentae42c05ea58fd71fdda60533f15cd3f260a37cfc (diff)
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First round BFD for PE/PowerPC
Diffstat (limited to 'bfd')
-rw-r--r--bfd/coff-ppc.c1469
-rw-r--r--bfd/pe-ppc.c39
-rw-r--r--bfd/pei-ppc.c44
3 files changed, 1552 insertions, 0 deletions
diff --git a/bfd/coff-ppc.c b/bfd/coff-ppc.c
new file mode 100644
index 0000000..8f4c986
--- /dev/null
+++ b/bfd/coff-ppc.c
@@ -0,0 +1,1469 @@
+/* BFD back-end for PowerPC Microsoft Portable Executable files.
+ Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+
+ Original version pieced together by Kim Knuttila (krk@cygnus.com)
+
+ There is nothing new under the sun. This file draws a lot on other
+ coff files, in particular, those for the rs/6000, alpha, mips, and
+ intel backends, and the PE work for the arm.
+
+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. */
+
+/* Current State:
+ - objdump works
+ - relocs generated by gas
+*/
+
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "obstack.h"
+
+#include "coff/powerpc.h"
+#include "coff/internal.h"
+
+#include "coff/pe.h"
+
+#ifdef BADMAG
+#undef BADMAG
+#endif
+
+#define BADMAG(x) PPCBADMAG(x)
+
+#include "libcoff.h"
+
+/* The main body of code is in coffcode.h. */
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
+
+/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
+ from smaller values. Start with zero, widen, *then* decrement. */
+#define MINUS_ONE (((bfd_vma)0) - 1)
+
+/* these should definitely go in a header file somewhere... */
+
+/* NOP */
+#define IMAGE_REL_PPC_ABSOLUTE 0x0000
+
+/* 64-bit address */
+#define IMAGE_REL_PPC_ADDR64 0x0001
+
+/* 32-bit address */
+#define IMAGE_REL_PPC_ADDR32 0x0002
+
+/* 26-bit address, shifted left 2 (branch absolute) */
+#define IMAGE_REL_PPC_ADDR24 0x0003
+
+/* 16-bit address */
+#define IMAGE_REL_PPC_ADDR16 0x0004
+
+/* 16-bit address, shifted left 2 (load doubleword) */
+#define IMAGE_REL_PPC_ADDR14 0x0005
+
+/* 26-bit PC-relative offset, shifted left 2 (branch relative) */
+#define IMAGE_REL_PPC_REL24 0x0006
+
+/* 16-bit PC-relative offset, shifted left 2 (br cond relative) */
+#define IMAGE_REL_PPC_REL14 0x0007
+
+/* 16-bit offset from TOC base */
+#define IMAGE_REL_PPC_TOCREL16 0x0008
+
+/* 16-bit offset from TOC base, shifted left 2 (load doubleword) */
+#define IMAGE_REL_PPC_TOCREL14 0x0009
+
+/* 32-bit addr w/o image base */
+#define IMAGE_REL_PPC_ADDR32NB 0x000A
+
+/* va of containing section (as in an image sectionhdr) */
+#define IMAGE_REL_PPC_SECREL 0x000B
+
+/* sectionheader number */
+#define IMAGE_REL_PPC_SECTION 0x000C
+
+/* substitute TOC restore instruction iff symbol is glue code */
+#define IMAGE_REL_PPC_IFGLUE 0x000D
+
+/* symbol is glue code; virtual address is TOC restore instruction */
+#define IMAGE_REL_PPC_IMGLUE 0x000E
+
+/* va of containing section (limited to 16 bits) */
+#define IMAGE_REL_PPC_SECREL16 0x000F
+
+/* stuff to handle immediate data when the number of bits in the */
+/* data is greater than the number of bits in the immediate field */
+/* We need to do (usually) 32 bit arithmetic on 16 bit chunks */
+#define IMAGE_REL_PPC_REFHI 0x0010
+#define IMAGE_REL_PPC_REFLO 0x0011
+#define IMAGE_REL_PPC_PAIR 0x0012
+
+
+/* Flag bits in IMAGE_RELOCATION.TYPE */
+
+/* subtract reloc value rather than adding it */
+#define IMAGE_REL_PPC_NEG 0x0100
+
+/* fix branch prediction bit to predict branch taken */
+#define IMAGE_REL_PPC_BRTAKEN 0x0200
+
+/* fix branch prediction bit to predict branch not taken */
+#define IMAGE_REL_PPC_BRNTAKEN 0x0400
+
+/* toc slot defined in file (or, data in toc) */
+#define IMAGE_REL_PPC_TOCDEFN 0x0800
+
+/* masks to isolate above values in IMAGE_RELOCATION.Type */
+#define IMAGE_REL_PPC_TYPEMASK 0x00FF
+#define IMAGE_REL_PPC_FLAGMASK 0x0F00
+
+#define EXTRACT_TYPE(x) ((x) & IMAGE_REL_PPC_TYPEMASK)
+#define EXTRACT_FLAGS(x) ((x) & IMAGE_REL_PPC_FLAGMASK)
+#define EXTRACT_JUNK(x) \
+ ((x) & ~(IMAGE_REL_PPC_TYPEMASK | IMAGE_REL_PPC_FLAGMASK))
+
+
+/* static helper functions to make relocation work */
+/* (Work In Progress) */
+
+static bfd_reloc_status_type ppc_refhi_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+static bfd_reloc_status_type ppc_reflo_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+static bfd_reloc_status_type ppc_pair_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+
+
+static bfd_reloc_status_type ppc_toc16_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+
+static bfd_reloc_status_type ppc_addr32nb_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+
+static bfd_reloc_status_type ppc_section_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+
+static bfd_reloc_status_type ppc_secrel_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+
+static bfd_reloc_status_type ppc_imglue_reloc PARAMS ((bfd *abfd,
+ arelent *reloc,
+ asymbol *symbol,
+ PTR data,
+ asection *section,
+ bfd *output_bfd,
+ char **error));
+
+
+
+
+
+/* FIXME: It'll take a while to get through all of these. I only need a few to
+ get us started, so those I'll make sure work. Those marked FIXME are either
+ completely unverified or have a specific unknown marked in the comment */
+
+/*---------------------------------------------------------------------------*/
+/* */
+/* Relocation entries for Windows/NT on PowerPC. */
+/* */
+/* From the document "" we find the following listed as used relocs: */
+/* */
+/* ABSOLUTE : The noop */
+/* ADDR[64|32|16] : fields that hold addresses in data fields or the */
+/* 16 bit displacement field on a load/store. */
+/* ADDR[24|14] : fields that hold addresses in branch and cond */
+/* branches. These represent [26|16] bit addresses. */
+/* The low order 2 bits are preserved. */
+/* REL[24|14] : branches relative to the Instruction Address */
+/* register. These represent [26|16] bit addresses, */
+/* as before. The instruction field will be zero, and */
+/* the address of the SYM will be inserted at link time. */
+/* TOCREL16 : 16 bit displacement field referring to a slot in */
+/* toc. */
+/* TOCREL14 : 16 bit displacement field, similar to REL14 or ADDR14. */
+/* ADDR32NB : 32 bit address relative to the virtual origin. */
+/* (On the alpha, this is always a linker generated thunk)*/
+/* (i.e. 32bit addr relative to the image base) */
+/* SECREL : The value is relative to the start of the section */
+/* containing the symbol. */
+/* SECTION : access to the header containing the item. Supports the */
+/* codeview debugger. */
+/* */
+/* In particular, note that the document does not indicate that the */
+/* relocations listed in the header file are used. */
+/* */
+/* */
+/* */
+/*---------------------------------------------------------------------------*/
+
+static reloc_howto_type ppc_coff_howto_table[] =
+{
+ /* IMAGE_REL_PPC_ABSOLUTE 0x0000 NOP */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_ABSOLUTE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* dont complain_on_overflow */
+ 0, /* special_function */
+ "ABSOLUTE", /* name */
+ false, /* partial_inplace */
+ 0x00, /* src_mask */
+ 0x00, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_ADDR64 0x0001 64-bit address */
+ /* Unused: */
+ HOWTO(IMAGE_REL_PPC_ADDR64, /* type */
+ 0, /* rightshift */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ 0, /* special_function */
+ "ADDR64", /* name */
+ true, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_ADDR32 0x0002 32-bit address */
+ /* Used: */
+ HOWTO (IMAGE_REL_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 */
+ 0, /* special_function */
+ "ADDR32", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_ADDR24 0x0003 26-bit address, shifted left 2 (branch absolute) */
+ /* the LI field is in bit 6 through bit 29 is 24 bits, + 2 for the shift */
+ /* Of course, That's the IBM approved bit numbering, which is not what
+ /* anyone else uses.... The li field is in bit 2 thru 25 */
+ /* Used: */
+ HOWTO (IMAGE_REL_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 */
+ 0, /* special_function */
+ "ADDR24", /* name */
+ true, /* partial_inplace */
+ 0x07fffffc, /* src_mask */
+ 0x07fffffc, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_ADDR16 0x0004 16-bit address */
+ /* Used: */
+ HOWTO (IMAGE_REL_PPC_ADDR16, /* 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 */
+ "ADDR16", /* name */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_ADDR14 0x0005 */
+ /* 16-bit address, shifted left 2 (load doubleword) */
+ /* FIXME: the mask is likely wrong, and the bit position may be as well */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_ADDR14, /* type */
+ 1, /* 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 */
+ "ADDR16", /* name */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_REL24 0x0006 */
+ /* 26-bit PC-relative offset, shifted left 2 (branch relative) */
+ /* Used: */
+ HOWTO (IMAGE_REL_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 */
+ 0, /* special_function */
+ "REL24", /* name */
+ true, /* partial_inplace */
+ 0x3fffffc, /* src_mask */
+ 0x3fffffc, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_REL14 0x0007 */
+ /* 16-bit PC-relative offset, shifted left 2 (br cond relative) */
+ /* FIXME: the mask is likely wrong, and the bit position may be as well */
+ /* FIXME: how does it know how far to shift? */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_ADDR14, /* type */
+ 1, /* 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 */
+ "ADDR16", /* name */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_TOCREL16 0x0008 */
+ /* 16-bit offset from TOC base */
+ /* Used: */
+ HOWTO (IMAGE_REL_PPC_TOCREL16,/* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc_toc16_reloc, /* special_function */
+ "TOCREL16", /* name */
+ false, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_TOCREL14 0x0009 */
+ /* 16-bit offset from TOC base, shifted left 2 (load doubleword) */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_TOCREL14,/* type */
+ 1, /* 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 */
+ "TOCREL14", /* name */
+ false, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_ADDR32NB 0x000A */
+ /* 32-bit addr w/ image base */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_ADDR32NB,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc_addr32nb_reloc, /* special_function */
+ "ADDR32NB", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_SECREL 0x000B */
+ /* va of containing section (as in an image sectionhdr) */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_SECREL,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc_secrel_reloc, /* special_function */
+ "SECREL", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_SECTION 0x000C */
+ /* sectionheader number */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_SECTION,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc_section_reloc, /* special_function */
+ "SECTION", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_IFGLUE 0x000D */
+ /* substitute TOC restore instruction iff symbol is glue code */
+ /* Used: */
+ HOWTO (IMAGE_REL_PPC_IFGLUE,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ 0, /* special_function */
+ "IFGLUE", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_IMGLUE 0x000E */
+ /* symbol is glue code; virtual address is TOC restore instruction */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_IMGLUE,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc_imglue_reloc, /* special_function */
+ "IMGLUE", /* name */
+ false, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_SECREL16 0x000F */
+ /* va of containing section (limited to 16 bits) */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_SECREL16,/* 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 */
+ "SECREL16", /* name */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_REFHI 0x0010 */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_REFHI, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc_refhi_reloc, /* special_function */
+ "REFHI", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_REFLO 0x0011 */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_REFLO, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc_refhi_reloc, /* special_function */
+ "REFLO", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* IMAGE_REL_PPC_PAIR 0x0012 */
+ /* Unused: */
+ HOWTO (IMAGE_REL_PPC_PAIR, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc_pair_reloc, /* special_function */
+ "PAIR", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false) /* pcrel_offset */
+};
+
+
+/* Provided the symbol, returns the value reffed */
+static long get_symbol_value PARAMS ((asymbol *));
+
+static long
+get_symbol_value (symbol)
+ asymbol *symbol;
+{
+ long relocation = 0;
+
+ if (bfd_is_com_section (symbol->section))
+ {
+ relocation = 0;
+ }
+ else
+ {
+ relocation = symbol->value +
+ symbol->section->output_section->vma +
+ symbol->section->output_offset;
+ }
+
+ return(relocation);
+}
+
+/* this function is in charge of performing all the ppc PE relocations */
+/* Don't yet know if we want to do this this particular way ... (krk) */
+/* (it is not yet enabled) */
+
+static bfd_reloc_status_type
+pe_ppc_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
+ error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol_in;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ /* the consth relocation comes in two parts, we have to remember
+ the state between calls, in these variables */
+ static boolean part1_consth_active = false;
+ static unsigned long part1_consth_value;
+
+ unsigned long insn;
+ unsigned long sym_value;
+ unsigned long unsigned_value;
+ unsigned short r_type;
+ long signed_value;
+
+ unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/
+ bfd_byte *hit_data =addr + (bfd_byte *)(data);
+
+ r_type = reloc_entry->howto->type;
+
+ if (output_bfd) {
+ /* Partial linking - do nothing */
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+
+ }
+
+ if (symbol_in != NULL
+ && bfd_is_und_section (symbol_in->section))
+ {
+ /* Keep the state machine happy in case we're called again */
+ if (r_type == IMAGE_REL_PPC_REFHI)
+ {
+ part1_consth_active = true;
+ part1_consth_value = 0;
+ }
+ return(bfd_reloc_undefined);
+ }
+
+ if ((part1_consth_active) && (r_type != IMAGE_REL_PPC_PAIR))
+ {
+ part1_consth_active = false;
+ *error_message = (char *) "Missing PAIR";
+ return(bfd_reloc_dangerous);
+ }
+
+
+ sym_value = get_symbol_value(symbol_in);
+
+#if 0
+
+ switch (r_type)
+ {
+ case R_IREL:
+ insn = bfd_get_32(abfd, hit_data);
+ /* Take the value in the field and sign extend it */
+ signed_value = EXTRACT_HWORD(insn);
+ signed_value = SIGN_EXTEND_HWORD(signed_value);
+ signed_value <<= 2;
+ signed_value += sym_value + reloc_entry->addend;
+ if (((signed_value + reloc_entry->address) & ~0x3ffff) == 0)
+ { /* Absolute jmp/call */
+ insn |= (1<<24); /* Make it absolute */
+ signed_value += reloc_entry->address;
+ /* FIXME: Should we change r_type to R_IABS */
+ }
+ else
+ {
+ /* Relative jmp/call, so subtract from the value the
+ address of the place we're coming from */
+ signed_value -= (input_section->output_section->vma
+ + input_section->output_offset);
+ if (signed_value>0x1ffff || signed_value<-0x20000)
+ return(bfd_reloc_overflow);
+ }
+ signed_value >>= 2;
+ insn = INSERT_HWORD(insn, signed_value);
+ bfd_put_32(abfd, insn ,hit_data);
+ break;
+ case R_ILOHALF:
+ insn = bfd_get_32(abfd, hit_data);
+ unsigned_value = EXTRACT_HWORD(insn);
+ unsigned_value += sym_value + reloc_entry->addend;
+ insn = INSERT_HWORD(insn, unsigned_value);
+ bfd_put_32(abfd, insn, hit_data);
+ break;
+ case R_IHIHALF:
+ insn = bfd_get_32(abfd, hit_data);
+ /* consth, part 1
+ Just get the symbol value that is referenced */
+ part1_consth_active = true;
+ part1_consth_value = sym_value + reloc_entry->addend;
+ /* Don't modify insn until R_IHCONST */
+ break;
+ case R_IHCONST:
+ insn = bfd_get_32(abfd, hit_data);
+ /* consth, part 2
+ Now relocate the reference */
+ if (part1_consth_active == false) {
+ *error_message = (char *) "Missing IHIHALF";
+ return(bfd_reloc_dangerous);
+ }
+ /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */
+ unsigned_value = 0; /*EXTRACT_HWORD(insn) << 16;*/
+ unsigned_value += reloc_entry->addend; /* r_symndx */
+ unsigned_value += part1_consth_value;
+ unsigned_value = unsigned_value >> 16;
+ insn = INSERT_HWORD(insn, unsigned_value);
+ part1_consth_active = false;
+ bfd_put_32(abfd, insn, hit_data);
+ break;
+ case R_BYTE:
+ insn = bfd_get_8(abfd, hit_data);
+ unsigned_value = insn + sym_value + reloc_entry->addend;
+ if (unsigned_value & 0xffffff00) {
+ fprintf(stderr,"Relocation problem : ");
+ fprintf(stderr,"byte value too large in module %s\n",
+ abfd->filename);
+ return(bfd_reloc_overflow);
+ }
+ bfd_put_8(abfd, unsigned_value, hit_data);
+ break;
+ case R_HWORD:
+ insn = bfd_get_16(abfd, hit_data);
+ unsigned_value = insn + sym_value + reloc_entry->addend;
+ if (unsigned_value & 0xffff0000) {
+ fprintf(stderr,"Relocation problem : ");
+ fprintf(stderr,"hword value too large in module %s\n",
+ abfd->filename);
+ return(bfd_reloc_overflow);
+ }
+
+ bfd_put_16(abfd, insn, hit_data);
+ break;
+ case R_WORD:
+ insn = bfd_get_32(abfd, hit_data);
+ insn += sym_value + reloc_entry->addend;
+ bfd_put_32(abfd, insn, hit_data);
+ break;
+ default:
+ *error_message = "Unrecognized reloc";
+ return (bfd_reloc_dangerous);
+ }
+
+#endif
+
+ return(bfd_reloc_ok);
+}
+
+/* The reloc processing routine for the optimized COFF linker. */
+
+static boolean
+coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section,
+ contents, relocs, syms, sections)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ struct internal_reloc *relocs;
+ struct internal_syment *syms;
+ asection **sections;
+{
+ struct internal_reloc *rel;
+ struct internal_reloc *relend;
+ boolean hihalf;
+ bfd_vma hihalf_val;
+
+ unsigned short r_type = EXTRACT_TYPE (rel->r_type);
+ unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
+ unsigned short junk = EXTRACT_JUNK (rel->r_type);
+
+
+ /* If we are performing a relocateable link, we don't need to do a
+ thing. The caller will take care of adjusting the reloc
+ addresses and symbol indices. */
+
+ if (info->relocateable)
+ return true;
+
+ hihalf = false;
+ hihalf_val = 0;
+
+ rel = relocs;
+ relend = rel + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ long symndx;
+ bfd_byte *loc;
+ struct coff_link_hash_entry *h;
+ struct internal_syment *sym;
+ asection *sec;
+ bfd_vma val;
+ boolean overflow;
+ unsigned long insn;
+ long signed_value;
+ unsigned long unsigned_value;
+ bfd_reloc_status_type rstat;
+
+ symndx = rel->r_symndx;
+ loc = contents + rel->r_vaddr - input_section->vma;
+
+ if (symndx == -1)
+ h = NULL;
+ else
+ h = obj_coff_sym_hashes (input_bfd)[symndx];
+
+ sym = NULL;
+ sec = NULL;
+ val = 0;
+
+ overflow = false;
+
+ switch (r_type)
+ {
+ default:
+ fprintf( stderr, "unsupported reloc %s\n",
+ ppc_coff_howto_table[r_type].name);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ case IMAGE_REL_PPC_TOCREL16:
+ case IMAGE_REL_PPC_IFGLUE:
+ case IMAGE_REL_PPC_SECTION:
+ case IMAGE_REL_PPC_SECREL:
+ case IMAGE_REL_PPC_IMGLUE:
+ case IMAGE_REL_PPC_ABSOLUTE:
+ break;
+
+ case IMAGE_REL_PPC_ADDR16:
+ case IMAGE_REL_PPC_REL24:
+ case IMAGE_REL_PPC_ADDR24:
+ case IMAGE_REL_PPC_ADDR32:
+ case IMAGE_REL_PPC_ADDR32NB:
+ rstat = _bfd_relocate_contents (ppc_coff_howto_table + r_type,
+ input_bfd, val, loc);
+ if (rstat == bfd_reloc_overflow)
+ overflow = true;
+ else if (rstat != bfd_reloc_ok)
+ abort ();
+ break;
+ }
+
+ if (overflow)
+ {
+ const char *name;
+ char buf[SYMNMLEN + 1];
+
+ if (symndx == -1)
+ name = "*ABS*";
+ else if (h != NULL)
+ name = h->root.root.string;
+ else if (sym == NULL)
+ name = "*unknown*";
+ else if (sym->_n._n_n._n_zeroes == 0
+ && sym->_n._n_n._n_offset != 0)
+ name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
+ else
+ {
+ strncpy (buf, sym->_n._n_name, SYMNMLEN);
+ buf[SYMNMLEN] = '\0';
+ name = buf;
+ }
+
+ if (! ((*info->callbacks->reloc_overflow)
+ (info, name, ppc_coff_howto_table[r_type].name, (bfd_vma) 0,
+ input_bfd, input_section,
+ rel->r_vaddr - input_section->vma)))
+ return false;
+ }
+ }
+
+ return true;
+}
+
+
+
+/* Some really cheezy macros that can be turned on to test stderr :-) */
+
+#ifdef DEBUG_RELOC
+#define UN_IMPL(x) \
+{ \
+ static int i; \
+ if (i == 0) \
+ { \
+ i = 1; \
+ fprintf(stderr,"Unimplemented Relocation -- %s\n",x); \
+ } \
+}
+
+#define DUMP_RELOC(n,r) \
+{ \
+ fprintf(stderr,"%s sym %d, addr %d, addend %d\n", \
+ n, (*(r->sym_ptr_ptr))->name, \
+ r->address, r->addend); \
+}
+
+#define DUMP_RELOC2(n,r) \
+{ \
+ fprintf(stderr,"%s sym %d, r_vaddr %d\n", \
+ n, r->r_symndx, r->r_vaddr); \
+}
+
+#else
+#define UN_IMPL(x)
+#define DUMP_RELOC(n,r)
+#define DUMP_RELOC2(n,r)
+#endif
+
+
+static bfd_reloc_status_type
+ppc_refhi_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;
+{
+ UN_IMPL("REFHI");
+ DUMP_RELOC("REFHI",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ return bfd_reloc_undefined;
+}
+
+static bfd_reloc_status_type
+ppc_reflo_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;
+{
+ UN_IMPL("REFLO");
+ DUMP_RELOC("REFLO",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ return bfd_reloc_undefined;
+}
+
+static bfd_reloc_status_type
+ppc_pair_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;
+{
+ UN_IMPL("PAIR");
+ DUMP_RELOC("PAIR",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ return bfd_reloc_undefined;
+}
+
+
+static bfd_reloc_status_type
+ppc_toc16_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;
+{
+ UN_IMPL("TOCREL16");
+ DUMP_RELOC("TOCREL16",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ {
+ return bfd_reloc_continue;
+ }
+
+ return bfd_reloc_ok;
+}
+
+/* ADDR32NB : 32 bit address relative to the virtual origin. */
+/* (On the alpha, this is always a linker generated thunk)*/
+/* (i.e. 32bit addr relative to the image base) */
+/* */
+/* */
+
+static bfd_reloc_status_type
+ppc_addr32nb_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;
+{
+ UN_IMPL("ADDR32NB");
+ DUMP_RELOC("ADDR32NB",reloc_entry);
+
+ return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+ppc_secrel_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;
+{
+ UN_IMPL("SECREL");
+ DUMP_RELOC("SECREL",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+ppc_section_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;
+{
+ UN_IMPL("SECTION");
+ DUMP_RELOC("SECTION",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+ppc_imglue_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;
+{
+ UN_IMPL("IMGLUE");
+ DUMP_RELOC("IMGLUE",reloc_entry);
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ return bfd_reloc_ok;
+}
+
+
+
+#define MAX_RELOC_INDEX \
+ (sizeof(ppc_coff_howto_table) / sizeof(ppc_coff_howto_table[0]) - 1)
+
+
+/* FIXME: There is a possiblity that when we read in a reloc from a file,
+ that there are some bits encoded in the upper portion of the
+ type field. Not yet implemented.
+*/
+static void ppc_coff_rtype2howto PARAMS ((arelent *relent,
+ struct internal_reloc *internal));
+
+static void
+ppc_coff_rtype2howto (relent, internal)
+ arelent *relent;
+ struct internal_reloc *internal;
+{
+
+ /* We can encode one of three things in the type field, aside from the
+ type:
+ 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction
+ value, rather than an addition value
+ 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that
+ the branch is expected to be taken or not.
+ 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file
+ For now, we just strip this stuff to find the type, and ignore it other
+ than that.
+ */
+
+ unsigned short r_type = EXTRACT_TYPE (internal->r_type);
+ unsigned short r_flags = EXTRACT_FLAGS(internal->r_type);
+ unsigned short junk = EXTRACT_JUNK (internal->r_type);
+
+ /* the masking process only slices off the bottom byte for r_type. */
+ if ( r_type > MAX_RELOC_INDEX )
+ {
+ fprintf(stderr,
+ "ppc_coff_rtype2howto: reloc index %d out of range [%d, %d]\n",
+ internal->r_type, 0, MAX_RELOC_INDEX);
+ abort();
+ }
+
+ /* check for absolute crap */
+ if ( junk != 0 )
+ {
+ fprintf(stderr,
+ "ppc_coff_rtype2howto: reloc index %d contains junk %d\n",
+ internal->r_type, junk);
+ abort();
+ }
+
+#ifdef DEBUG_RELOC
+ /* now examine flags */
+ if (r_flags != 0)
+ {
+ fprintf (stderr, "Reloc with flags found!");
+ if ( r_flags & IMAGE_REL_PPC_NEG )
+ fprintf (stderr, " NEG");
+ if ( r_flags & IMAGE_REL_PPC_BRTAKEN )
+ fprintf (stderr, " BRTAKEN");
+ if ( r_flags & IMAGE_REL_PPC_BRNTAKEN )
+ fprintf (stderr, " BRNTAKEN");
+ if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
+ fprintf (stderr, " TOCDEFN");
+ fprintf(stderr, "\n");
+ }
+#endif
+
+ switch(r_type)
+ {
+ case IMAGE_REL_PPC_ADDR16:
+ case IMAGE_REL_PPC_REL24:
+ case IMAGE_REL_PPC_ADDR24:
+ case IMAGE_REL_PPC_TOCREL16:
+ case IMAGE_REL_PPC_ADDR32:
+ case IMAGE_REL_PPC_IFGLUE:
+ case IMAGE_REL_PPC_ADDR32NB:
+ case IMAGE_REL_PPC_SECTION:
+ case IMAGE_REL_PPC_SECREL:
+ DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
+ break;
+ case IMAGE_REL_PPC_IMGLUE:
+ DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
+ /* IMGLUE relocs have big numbers in them. Don't know what for yet. */
+ internal->r_vaddr = 0; /* make it zero for now */
+ break;
+ default:
+ fprintf(stderr,
+ "Warning: Unsupported reloc %s [%d] used -- it may not work.\n",
+ ppc_coff_howto_table[r_type].name,
+ r_type);
+ break;
+ }
+
+ relent->howto = ppc_coff_howto_table + r_type;
+
+}
+
+static reloc_howto_type *
+coff_ppc_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
+ bfd *abfd;
+ asection *sec;
+ struct internal_reloc *rel;
+ struct coff_link_hash_entry *h;
+ struct internal_syment *sym;
+ bfd_vma *addendp;
+{
+ reloc_howto_type *howto;
+
+ /* We can encode one of three things in the type field, aside from the
+ type:
+ 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction
+ value, rather than an addition value
+ 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that
+ the branch is expected to be taken or not.
+ 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file
+ For now, we just strip this stuff to find the type, and ignore it other
+ than that.
+ */
+
+ unsigned short r_type = EXTRACT_TYPE (rel->r_type);
+ unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
+ unsigned short junk = EXTRACT_JUNK (rel->r_type);
+
+ /* the masking process only slices off the bottom byte for r_type. */
+ if ( r_type > MAX_RELOC_INDEX )
+ {
+ fprintf(stderr,
+ "coff_ppc_rtype_to_howto: index %d out of range [%d, %d]\n",
+ r_type, 0, MAX_RELOC_INDEX);
+ abort();
+ }
+
+ /* check for absolute crap */
+ if ( junk != 0 )
+ {
+ fprintf(stderr,
+ "coff_ppc_rtype_to_howto: reloc index %d contains junk %d\n",
+ rel->r_type, junk);
+ abort();
+ }
+
+#ifdef DEBUG_RELOC
+ /* now examine flags */
+ if (r_flags != 0)
+ {
+ fprintf (stderr, "Reloc with flags found!");
+ if ( r_flags & IMAGE_REL_PPC_NEG )
+ fprintf (stderr, " NEG");
+ if ( r_flags & IMAGE_REL_PPC_BRTAKEN )
+ fprintf (stderr, " BRTAKEN");
+ if ( r_flags & IMAGE_REL_PPC_BRNTAKEN )
+ fprintf (stderr, " BRNTAKEN");
+ if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
+ fprintf (stderr, " TOCDEFN");
+ fprintf(stderr, "\n");
+ }
+#endif
+
+ switch(r_type)
+ {
+ case IMAGE_REL_PPC_ADDR32NB:
+ DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
+ *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
+ break;
+ case IMAGE_REL_PPC_ADDR16:
+ case IMAGE_REL_PPC_REL24:
+ case IMAGE_REL_PPC_ADDR24:
+ case IMAGE_REL_PPC_TOCREL16:
+ case IMAGE_REL_PPC_ADDR32:
+ case IMAGE_REL_PPC_IFGLUE:
+ case IMAGE_REL_PPC_SECTION:
+ case IMAGE_REL_PPC_SECREL:
+ DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
+ break;
+ case IMAGE_REL_PPC_IMGLUE:
+ DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
+ /* IMGLUE relocs have big numbers in them. Don't know what for yet. */
+ rel->r_vaddr = 0; /* make it zero for now */
+ break;
+ default:
+ fprintf(stderr,
+ "Warning: Unsupported reloc %s [%d] used -- it may not work.\n",
+ ppc_coff_howto_table[r_type].name,
+ r_type);
+ break;
+ }
+
+ howto = ppc_coff_howto_table + r_type;
+ return howto;
+}
+
+
+/* a cheesy little macro to make the code a little more readable */
+#define HOW2MAP(bfd_rtype,ppc_rtype) \
+ case bfd_rtype: return &ppc_coff_howto_table[ppc_rtype]
+
+static reloc_howto_type *ppc_coff_reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
+
+static reloc_howto_type *
+ppc_coff_reloc_type_lookup (abfd, code)
+ bfd *abfd;
+ bfd_reloc_code_real_type code;
+{
+
+#ifdef DEBUG_RELOC
+ fprintf(stderr, "ppc_coff_reloc_type_lookup for %s\n",
+ bfd_get_reloc_code_name(code));
+#endif
+
+ switch (code)
+ {
+ HOW2MAP(BFD_RELOC_16_GOT_PCREL, IMAGE_REL_PPC_IFGLUE);
+ HOW2MAP(BFD_RELOC_16, IMAGE_REL_PPC_ADDR16);
+ HOW2MAP(BFD_RELOC_PPC_B26, IMAGE_REL_PPC_REL24);
+ HOW2MAP(BFD_RELOC_PPC_BA26, IMAGE_REL_PPC_ADDR24);
+ HOW2MAP(BFD_RELOC_PPC_TOC16, IMAGE_REL_PPC_TOCREL16);
+ HOW2MAP(BFD_RELOC_32, IMAGE_REL_PPC_ADDR32);
+ default: return NULL;
+ }
+
+ return NULL;
+}
+
+#undef HOW2MAP
+
+
+/* Tailor coffcode.h -- macro heaven. */
+
+#define RTYPE2HOWTO(cache_ptr, dst) ppc_coff_rtype2howto (cache_ptr, dst)
+
+/* We use the special COFF backend linker. */
+/* #define coff_relocate_section _bfd_coff_generic_relocate_section */
+#define coff_bfd_reloc_type_lookup ppc_coff_reloc_type_lookup
+#define coff_rtype_to_howto coff_ppc_rtype_to_howto
+#define coff_relocate_section coff_ppc_relocate_section
+
+#define SELECT_RELOC(internal, howto) {internal.r_type=howto->type;}
+
+#define COFF_PAGE_SIZE 0x1000
+
+#include "coffcode.h"
+
+/* The transfer vectors that lead the outside world to all of the above. */
+
+#ifdef TARGET_LITTLE_SYM
+const bfd_target
+TARGET_LITTLE_SYM =
+{
+ TARGET_LITTLE_NAME, /* name or coff-arm-little */
+ bfd_target_coff_flavour,
+ false, /* data byte order is little */
+ false, /* header byte order is little */
+
+ (HAS_RELOC | EXEC_P | /* FIXME: object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading char */
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen??? FIXMEmgo */
+
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+ bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+ bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+ bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p },
+ {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (coff),
+ BFD_JUMP_TABLE_COPY (coff),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
+ BFD_JUMP_TABLE_SYMBOLS (coff),
+ BFD_JUMP_TABLE_RELOCS (coff),
+ BFD_JUMP_TABLE_WRITE (coff),
+ BFD_JUMP_TABLE_LINK (coff),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ COFF_SWAP_TABLE,
+};
+#endif
+
+#ifdef TARGET_BIG_SYM
+const bfd_target
+TARGET_BIG_SYM =
+{
+ TARGET_BIG_NAME,
+ bfd_target_coff_flavour,
+ true, /* data byte order is big */
+ true, /* header byte order is big */
+
+ (HAS_RELOC | EXEC_P | /* FIXME: object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading char */
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen??? FIXMEmgo */
+
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p },
+ {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (coff),
+ BFD_JUMP_TABLE_COPY (coff),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
+ BFD_JUMP_TABLE_SYMBOLS (coff),
+ BFD_JUMP_TABLE_RELOCS (coff),
+ BFD_JUMP_TABLE_WRITE (coff),
+ BFD_JUMP_TABLE_LINK (coff),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ COFF_SWAP_TABLE,
+};
+
+#endif
+
+
+
+
+
+
+
+
+
diff --git a/bfd/pe-ppc.c b/bfd/pe-ppc.c
new file mode 100644
index 0000000..67fdda0
--- /dev/null
+++ b/bfd/pe-ppc.c
@@ -0,0 +1,39 @@
+/* BFD back-end for Intel 386 PECOFF files.
+ Copyright 1995 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"
+
+
+#define E_FILENMLEN 18
+
+#define PPC
+
+#define TARGET_LITTLE_SYM bfd_powerpcle_pe_vec
+#define TARGET_LITTLE_NAME "pe-powerpcle"
+
+#define TARGET_BIG_SYM bfd_powerpc_pe_vec
+#define TARGET_BIG_NAME "pe-powerpc"
+
+#define COFF_OBJ_WITH_PE
+#define COFF_WITH_PE
+
+/* FIXME: verify PCRELOFFSET is always false */
+
+#include "coff-ppc.c"
diff --git a/bfd/pei-ppc.c b/bfd/pei-ppc.c
new file mode 100644
index 0000000..fc8f89f
--- /dev/null
+++ b/bfd/pei-ppc.c
@@ -0,0 +1,44 @@
+/* BFD back-end for Intel 386 PE IMAGE COFF files.
+ Copyright 1995 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"
+
+/* setting up for a PE environment stolen directly from the i386 structure */
+#define E_FILNMLEN 18 /* # characters in a file name */
+
+#define PPC
+
+#define TARGET_LITTLE_SYM bfd_powerpcle_pei_vec
+#define TARGET_LITTLE_NAME "pei-powerpcle"
+
+#define TARGET_BIG_SYM bfd_powerpc_pei_vec
+#define TARGET_BIG_NAME "pei-powerpc"
+
+#define IMAGE_BASE NT_IMAGE_BASE
+
+#define COFF_IMAGE_WITH_PE
+#define COFF_WITH_PE
+
+/* FIXME: Verify PCRELOFFSET is always false */
+
+#include "coff-ppc.c"
+
+
+