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author | Ian Lance Taylor <ian@airs.com> | 1994-02-18 15:44:44 +0000 |
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committer | Ian Lance Taylor <ian@airs.com> | 1994-02-18 15:44:44 +0000 |
commit | 889d655f870a70669765d3d994d4b0190f5d5c9c (patch) | |
tree | 9ed7b0864f790e7c64b6922785dcf708f756c723 /include/nlm | |
parent | 662f3b3f1f114a667b3b3d072a5baf80d536ca47 (diff) | |
download | gdb-889d655f870a70669765d3d994d4b0190f5d5c9c.zip gdb-889d655f870a70669765d3d994d4b0190f5d5c9c.tar.gz gdb-889d655f870a70669765d3d994d4b0190f5d5c9c.tar.bz2 |
Support for PowerPC NetWare. Sanitization to follow.
Diffstat (limited to 'include/nlm')
-rw-r--r-- | include/nlm/ppc-ext.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/include/nlm/ppc-ext.h b/include/nlm/ppc-ext.h new file mode 100644 index 0000000..d021f67 --- /dev/null +++ b/include/nlm/ppc-ext.h @@ -0,0 +1,156 @@ +/* PowerPC NLM (NetWare Loadable Module) support for BFD. + 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. */ + +/* A PowerPC NLM starts with an instance of this structure. */ + +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]; +}; + +#define NLM32_POWERPC_SIGNATURE "AppleNLM" +#define NLM32_POWERPC_HEADER_VERSION 1 + +/* The external format of a PowerPC NLM reloc. This is the same as an + XCOFF dynamic reloc. */ + +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]; +}; + +/* The external format of the fixed header. */ + +typedef struct nlm32_powerpc_external_fixed_header +{ + + /* The signature field identifies the file as an NLM. It must contain + the signature string, which depends upon the NLM target. */ + + unsigned char signature[24]; + + /* The version of the header. At this time, the highest version number + is 4. */ + + unsigned char version[4]; + + /* 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. */ + + unsigned char moduleName[14]; + + /* Padding to make it come out correct. */ + + unsigned char pad1[2]; + + /* The byte offset of the code image from the start of the file. */ + + unsigned char codeImageOffset[4]; + + /* The size of the code image, in bytes. */ + + unsigned char codeImageSize[4]; + + /* The byte offset of the data image from the start of the file. */ + + unsigned char dataImageOffset[4]; + + /* The size of the data image, in bytes. */ + + unsigned char dataImageSize[4]; + + /* 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. */ + + unsigned char uninitializedDataSize[4]; + + /* 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. */ + + unsigned char customDataOffset[4]; + + /* The size of the custom data, in bytes. */ + + unsigned char customDataSize[4]; + + /* The byte offset of the module dependencies from the start of the file. + The module dependencies are determined by the MODULE keyword in + NLMLINK. */ + + unsigned char moduleDependencyOffset[4]; + + /* The number of module dependencies at the moduleDependencyOffset. */ + + unsigned char numberOfModuleDependencies[4]; + + /* The byte offset of the relocation fixup data from the start of the file */ + + unsigned char relocationFixupOffset[4]; + + unsigned char numberOfRelocationFixups[4]; + + unsigned char externalReferencesOffset[4]; + + unsigned char numberOfExternalReferences[4]; + + unsigned char publicsOffset[4]; + + unsigned char numberOfPublics[4]; + + /* 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. */ + + unsigned char debugInfoOffset[4]; + + unsigned char numberOfDebugRecords[4]; + + unsigned char codeStartOffset[4]; + + unsigned char exitProcedureOffset[4]; + + unsigned char checkUnloadProcedureOffset[4]; + + unsigned char moduleType[4]; + + unsigned char flags[4]; + +} Nlm32_powerpc_External_Fixed_Header; |