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authorIan Lance Taylor <ian@airs.com>1993-12-02 19:13:59 +0000
committerIan Lance Taylor <ian@airs.com>1993-12-02 19:13:59 +0000
commit82d76658fb83d8d1921efcb01e4c9d028fe43b2b (patch)
tree6fecec9604ce359167cba67e36f49ea56de5b562 /include/nlm
parent0a8ae18f38758ed824bc7a33b4b2f37ae9033845 (diff)
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New file for Alpha NetWare. External structure information.
Diffstat (limited to 'include/nlm')
-rw-r--r--include/nlm/.Sanitize1
-rw-r--r--include/nlm/alpha-ext.h166
2 files changed, 167 insertions, 0 deletions
diff --git a/include/nlm/.Sanitize b/include/nlm/.Sanitize
index 2555488..75f957d 100644
--- a/include/nlm/.Sanitize
+++ b/include/nlm/.Sanitize
@@ -27,6 +27,7 @@ Things-to-keep:
ChangeLog
+alpha-ext.h
common.h
external.h
internal.h
diff --git a/include/nlm/alpha-ext.h b/include/nlm/alpha-ext.h
new file mode 100644
index 0000000..9a07efc
--- /dev/null
+++ b/include/nlm/alpha-ext.h
@@ -0,0 +1,166 @@
+/* Alpha NLM (NetWare Loadable Module) support for BFD.
+ Copyright (C) 1993 Free Software Foundation, Inc.
+ By Ian Lance Taylor, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* An Alpha NLM starts with an instance of this structure. */
+
+struct nlm32_alpha_external_prefix_header
+{
+ /* Magic number. Must be NLM32_ALPHA_MAGIC. */
+ unsigned char magic[4];
+ /* Format descriptor. Current value is 2. */
+ unsigned char format[4];
+ /* Size of prefix header. */
+ unsigned char size[4];
+ /* Padding. */
+ unsigned char pad1[4];
+ /* More fields may be added later, supposedly. */
+};
+
+/* The external format of an Alpha NLM reloc. This is the same as an
+ Alpha ECOFF reloc. */
+
+struct nlm32_alpha_external_reloc
+{
+ unsigned char r_vaddr[8];
+ unsigned char r_symndx[4];
+ unsigned char r_bits[4];
+};
+
+/* Constants to unpack the r_bits field of a reloc. */
+
+#define RELOC_BITS0_TYPE_LITTLE 0xff
+#define RELOC_BITS0_TYPE_SH_LITTLE 0
+
+#define RELOC_BITS1_EXTERN_LITTLE 0x01
+
+#define RELOC_BITS1_OFFSET_LITTLE 0x7e
+#define RELOC_BITS1_OFFSET_SH_LITTLE 1
+
+#define RELOC_BITS1_RESERVED_LITTLE 0x80
+#define RELOC_BITS1_RESERVED_SH_LITTLE 7
+#define RELOC_BITS2_RESERVED_LITTLE 0xff
+#define RELOC_BITS2_RESERVED_SH_LEFT_LITTLE 1
+#define RELOC_BITS3_RESERVED_LITTLE 0x03
+#define RELOC_BITS3_RESERVED_SH_LEFT_LITTLE 9
+
+#define RELOC_BITS3_SIZE_LITTLE 0xfc
+#define RELOC_BITS3_SIZE_SH_LITTLE 2
+
+/* The external format of the fixed header. */
+
+typedef struct nlm32_alpha_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_alpha_External_Fixed_Header;