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Diffstat (limited to 'include/nlm/internal.h')
| -rw-r--r-- | include/nlm/internal.h | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/include/nlm/internal.h b/include/nlm/internal.h new file mode 100644 index 00000000000..dd27dc407f5 --- /dev/null +++ b/include/nlm/internal.h @@ -0,0 +1,309 @@ +/* NLM (NetWare Loadable Module) support for BFD. + Copyright (C) 1993 Free Software Foundation, Inc. + + Written by Fred Fish @ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + + +/* This file is part of NLM support for BFD, and contains the portions + that describe how NLM is represented internally in the BFD library. + I.E. it describes the in-memory representation of NLM. It requires + the nlm/common.h file which contains the portions that are common to + both the internal and external representations. */ + +#if 0 + +/* Types used by various structures, functions, etc. */ + +typedef unsigned long Nlm32_Addr; /* Unsigned program address */ +typedef unsigned long Nlm32_Off; /* Unsigned file offset */ +typedef long Nlm32_Sword; /* Signed large integer */ +typedef unsigned long Nlm32_Word; /* Unsigned large integer */ +typedef unsigned short Nlm32_Half; /* Unsigned medium integer */ +typedef unsigned char Nlm32_Char; /* Unsigned tiny integer */ + +#ifdef BFD_HOST_64_BIT +typedef unsigned BFD_HOST_64_BIT Nlm64_Addr; +typedef unsigned BFD_HOST_64_BIT Nlm64_Off; +typedef BFD_HOST_64_BIT Nlm64_Sxword; +typedef unsigned BFD_HOST_64_BIT Nlm64_Xword; +#endif +typedef long Nlm64_Sword; +typedef unsigned long Nlm64_Word; +typedef unsigned short Nlm64_Half; + +#endif /* 0 */ + +/* This structure contains the internal form of the portion of the NLM + header that is fixed length. */ + +typedef struct nlm_internal_fixed_header +{ + /* The signature field identifies the file as an NLM. It must contain + the signature string, which depends upon the NLM target. */ + + char signature[NLM_SIGNATURE_SIZE]; + + /* The version of the header. At this time, the highest version number + is 4. */ + + long version; + + /* 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. */ + + char moduleName[NLM_MODULE_NAME_SIZE]; + + /* The byte offset of the code image from the start of the file. */ + + file_ptr codeImageOffset; + + /* The size of the code image, in bytes. */ + + bfd_size_type codeImageSize; + + /* The byte offset of the data image from the start of the file. */ + + file_ptr dataImageOffset; + + /* The size of the data image, in bytes. */ + + bfd_size_type dataImageSize; + + /* 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. */ + + bfd_size_type uninitializedDataSize; + + /* The byte offset of the custom data from the start of the file. The + custom data is set by the CUSTOM keyword to NLMLINK. */ + + file_ptr customDataOffset; + + /* The size of the custom data, in bytes. */ + + bfd_size_type customDataSize; + + /* The byte offset of the module dependencies from the start of the file. + The module dependencies are determined by the MODULE keyword in + NLMLINK. */ + + file_ptr moduleDependencyOffset; + + /* The number of module dependencies at the moduleDependencyOffset. */ + + long numberOfModuleDependencies; + + /* The byte offset of the relocation fixup data from the start of the file */ + + file_ptr relocationFixupOffset; + long numberOfRelocationFixups; + file_ptr externalReferencesOffset; + long numberOfExternalReferences; + file_ptr publicsOffset; + long numberOfPublics; + file_ptr debugInfoOffset; + long numberOfDebugRecords; + file_ptr codeStartOffset; + file_ptr exitProcedureOffset; + file_ptr checkUnloadProcedureOffset; + long moduleType; + long flags; +} Nlm_Internal_Fixed_Header; + +#define nlm32_internal_fixed_header nlm_internal_fixed_header +#define Nlm32_Internal_Fixed_Header Nlm_Internal_Fixed_Header +#define nlm64_internal_fixed_header nlm_internal_fixed_header +#define Nlm64_Internal_Fixed_Header Nlm_Internal_Fixed_Header + +/* This structure contains the portions of the NLM header that are either + variable in size in the external representation, or else are not at a + fixed offset relative to the start of the NLM header due to preceding + variable sized fields. + + Note that all the fields must exist in the external header, and in + the order used here (the same order is used in the internal form + for consistency, not out of necessity). */ + +typedef struct nlm_internal_variable_header +{ + + /* The descriptionLength field contains the length of the text in + descriptionText, excluding the null terminator. The descriptionText + field contains the NLM description obtained from the DESCRIPTION + keyword in NLMLINK plus the null byte terminator. The descriptionText + can be up to NLM_MAX_DESCRIPTION_LENGTH characters. */ + + unsigned char descriptionLength; + char descriptionText[NLM_MAX_DESCRIPTION_LENGTH + 1]; + + /* The stackSize field contains the size of the stack in bytes, as + specified by the STACK or STACKSIZE keyword in NLMLINK. If no size + is specified, the default is NLM_DEFAULT_STACKSIZE. */ + + long stackSize; + + /* The reserved field is included only for completeness. It should contain + zero. */ + + long reserved; + + /* This field is fixed length, should contain " LONG" (note leading + space), and is unused. */ + + char oldThreadName[NLM_OLD_THREAD_NAME_LENGTH]; + + /* The screenNameLength field contains the length of the actual text stored + in the screenName field, excluding the null byte terminator. The + screenName field contains the screen name as specified by the SCREENNAME + keyword in NLMLINK, and can be up to NLM_MAX_SCREEN_NAME_LENGTH + characters. */ + + unsigned char screenNameLength; + char screenName[NLM_MAX_SCREEN_NAME_LENGTH + 1]; + + /* The threadNameLength field contains the length of the actual text stored + in the threadName field, excluding the null byte terminator. The + threadName field contains the thread name as specified by the THREADNAME + keyword in NLMLINK, and can be up to NLM_MAX_THREAD_NAME_LENGTH + characters. */ + + unsigned char threadNameLength; + char threadName[NLM_MAX_THREAD_NAME_LENGTH + 1]; + +} Nlm_Internal_Variable_Header; + +#define nlm32_internal_variable_header nlm_internal_variable_header +#define Nlm32_Internal_Variable_Header Nlm_Internal_Variable_Header +#define nlm64_internal_variable_header nlm_internal_variable_header +#define Nlm64_Internal_Variable_Header Nlm_Internal_Variable_Header + +/* The version header is one of the optional auxiliary headers and + follows the fixed length and variable length NLM headers. */ + +typedef struct nlm_internal_version_header +{ + /* The header is recognized by "VeRsIoN#" in the stamp field. */ + char stamp[8]; + long majorVersion; + long minorVersion; + long revision; + long year; + long month; + long day; +} Nlm_Internal_Version_Header; + +#define nlm32_internal_version_header nlm_internal_version_header +#define Nlm32_Internal_Version_Header Nlm_Internal_Version_Header +#define nlm64_internal_version_header nlm_internal_version_header +#define Nlm64_Internal_Version_Header Nlm_Internal_Version_Header + +typedef struct nlm_internal_copyright_header +{ + /* The header is recognized by "CoPyRiGhT=" in the stamp field. */ + char stamp[10]; + unsigned char copyrightMessageLength; + char copyrightMessage[NLM_MAX_COPYRIGHT_MESSAGE_LENGTH]; +} Nlm_Internal_Copyright_Header; + +#define nlm32_internal_copyright_header nlm_internal_copyright_header +#define Nlm32_Internal_Copyright_Header Nlm_Internal_Copyright_Header +#define nlm64_internal_copyright_header nlm_internal_copyright_header +#define Nlm64_Internal_Copyright_Header Nlm_Internal_Copyright_Header + +typedef struct nlm_internal_extended_header +{ + /* The header is recognized by "MeSsAgEs" in the stamp field. */ + char stamp[8]; + long languageID; + file_ptr messageFileOffset; + bfd_size_type messageFileLength; + long messageCount; + file_ptr helpFileOffset; + bfd_size_type helpFileLength; + file_ptr RPCDataOffset; + bfd_size_type RPCDataLength; + file_ptr sharedCodeOffset; + bfd_size_type sharedCodeLength; + file_ptr sharedDataOffset; + bfd_size_type sharedDataLength; + file_ptr sharedRelocationFixupOffset; + long sharedRelocationFixupCount; + file_ptr sharedExternalReferenceOffset; + long sharedExternalReferenceCount; + file_ptr sharedPublicsOffset; + long sharedPublicsCount; + file_ptr sharedDebugRecordOffset; + long sharedDebugRecordCount; + bfd_vma SharedInitializationOffset; + bfd_vma SharedExitProcedureOffset; + long productID; + long reserved0; + long reserved1; + long reserved2; + long reserved3; + long reserved4; + long reserved5; +} Nlm_Internal_Extended_Header; + +#define nlm32_internal_extended_header nlm_internal_extended_header +#define Nlm32_Internal_Extended_Header Nlm_Internal_Extended_Header +#define nlm64_internal_extended_header nlm_internal_extended_header +#define Nlm64_Internal_Extended_Header Nlm_Internal_Extended_Header + +/* The format of a custom header as stored internally is different + from the external format. This is how we store a custom header + which we do not recognize. */ + +typedef struct nlm_internal_custom_header +{ + /* The header is recognized by "CuStHeAd" in the stamp field. */ + char stamp[8]; + bfd_size_type hdrLength; + file_ptr dataOffset; + bfd_size_type dataLength; + char dataStamp[8]; + PTR hdr; +} Nlm_Internal_Custom_Header; + +#define nlm32_internal_custom_header nlm_internal_custom_header +#define Nlm32_Internal_Custom_Header Nlm_Internal_Custom_Header +#define nlm64_internal_custom_header nlm_internal_custom_header +#define Nlm64_Internal_Custom_Header Nlm_Internal_Custom_Header + +/* The internal Cygnus header is written out externally as a custom + header. We don't try to replicate that structure here. */ + +typedef struct nlm_internal_cygnus_ext_header +{ + /* The header is recognized by "CyGnUsEx" in the stamp field. */ + char stamp[8]; + /* File location of debugging information. */ + file_ptr offset; + /* Length of debugging information. */ + bfd_size_type length; +} Nlm_Internal_Cygnus_Ext_Header; + +#define nlm32_internal_cygnus_ext_header nlm_internal_cygnus_ext_header +#define Nlm32_Internal_Cygnus_Ext_Header Nlm_Internal_Cygnus_Ext_Header +#define nlm64_internal_cygnus_ext_header nlm_internal_cygnus_ext_header +#define Nlm64_Internal_Cygnus_Ext_Header Nlm_Internal_Cygnus_Ext_Header |