0,0 → 1,164 |
/* PowerPC NLM (NetWare Loadable Module) support for BFD. |
Copyright (C) 1994, 2005, 2010 Free Software Foundation, Inc. |
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This file is part of BFD, the Binary File Descriptor library. |
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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. |
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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. |
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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. */ |
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#ifdef OLDFORMAT |
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/* The format of a PowerPC NLM changed. These structures are only |
used in the old format. */ |
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/* A PowerPC NLM starts with an instance of this structure. */ |
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struct nlm32_powerpc_external_prefix_header |
{ |
/* Signature. Must be "AppleNLM". */ |
char signature[8]; |
/* Version number. Current value is 1. */ |
unsigned char headerVersion[4]; |
/* ??. Should be set to 0. */ |
unsigned char origins[4]; |
/* File creation date in standard Unix time format (seconds since |
1/1/70). */ |
unsigned char date[4]; |
}; |
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#define NLM32_POWERPC_SIGNATURE "AppleNLM" |
#define NLM32_POWERPC_HEADER_VERSION 1 |
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/* The external format of a PowerPC NLM reloc. This is the same as an |
XCOFF dynamic reloc. */ |
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struct nlm32_powerpc_external_reloc |
{ |
/* Address. */ |
unsigned char l_vaddr[4]; |
/* Symbol table index. This is 0 for .text and 1 for .data. 2 |
means .bss, but I don't know if it is used. In XCOFF, larger |
numbers are indices into the dynamic symbol table, but they are |
presumably not used in an NLM. */ |
unsigned char l_symndx[4]; |
/* Relocation type. */ |
unsigned char l_rtype[2]; |
/* Section number being relocated. */ |
unsigned char l_rsecnm[2]; |
}; |
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#endif /* OLDFORMAT */ |
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/* The external format of the fixed header. */ |
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typedef struct nlm32_powerpc_external_fixed_header |
{ |
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/* The signature field identifies the file as an NLM. It must contain |
the signature string, which depends upon the NLM target. */ |
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unsigned char signature[24]; |
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/* The version of the header. At this time, the highest version number |
is 4. */ |
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unsigned char version[4]; |
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/* The name of the module, which must be a DOS name (1-8 characters followed |
by a period and a 1-3 character extension). The first byte is the byte |
length of the name and the last byte is a null terminator byte. This |
field is fixed length, and any unused bytes should be null bytes. The |
value is set by the OUTPUT keyword to NLMLINK. */ |
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unsigned char moduleName[14]; |
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/* Padding to make it come out correct. */ |
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unsigned char pad1[2]; |
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/* The byte offset of the code image from the start of the file. */ |
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unsigned char codeImageOffset[4]; |
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/* The size of the code image, in bytes. */ |
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unsigned char codeImageSize[4]; |
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/* The byte offset of the data image from the start of the file. */ |
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unsigned char dataImageOffset[4]; |
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/* The size of the data image, in bytes. */ |
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unsigned char dataImageSize[4]; |
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/* The size of the uninitialized data region that the loader is to be |
allocated at load time. Uninitialized data follows the initialized |
data in the NLM address space. */ |
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unsigned char uninitializedDataSize[4]; |
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/* The byte offset of the custom data from the start of the file. The |
custom data is set by the CUSTOM keyword to NLMLINK. It is possible |
for this to be EOF if there is no custom data. */ |
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unsigned char customDataOffset[4]; |
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/* The size of the custom data, in bytes. */ |
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unsigned char customDataSize[4]; |
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/* The byte offset of the module dependencies from the start of the file. |
The module dependencies are determined by the MODULE keyword in |
NLMLINK. */ |
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unsigned char moduleDependencyOffset[4]; |
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/* The number of module dependencies at the moduleDependencyOffset. */ |
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unsigned char numberOfModuleDependencies[4]; |
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/* The byte offset of the relocation fixup data from the start of the file */ |
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unsigned char relocationFixupOffset[4]; |
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unsigned char numberOfRelocationFixups[4]; |
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unsigned char externalReferencesOffset[4]; |
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unsigned char numberOfExternalReferences[4]; |
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unsigned char publicsOffset[4]; |
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unsigned char numberOfPublics[4]; |
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/* The byte offset of the internal debug info from the start of the file. |
It is possible for this to be EOF if there is no debug info. */ |
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unsigned char debugInfoOffset[4]; |
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unsigned char numberOfDebugRecords[4]; |
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unsigned char codeStartOffset[4]; |
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unsigned char exitProcedureOffset[4]; |
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unsigned char checkUnloadProcedureOffset[4]; |
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unsigned char moduleType[4]; |
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unsigned char flags[4]; |
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} Nlm32_powerpc_External_Fixed_Header; |