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authorIan Lance Taylor <ian@airs.com>1993-10-12 14:29:51 +0000
committerIan Lance Taylor <ian@airs.com>1993-10-12 14:29:51 +0000
commit55d5703fffcf04a394ef345fd8fa1e7e07decfe2 (patch)
treeeb5564345f91382ed9db72a329e0887318d3328e /include/elf
parent78934ba843ef5112d122f82e1801a4888eedcb04 (diff)
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* mips.h: New file. MIPS ABI specific information.
Diffstat (limited to 'include/elf')
-rw-r--r--include/elf/.Sanitize2
-rw-r--r--include/elf/mips.h152
2 files changed, 153 insertions, 1 deletions
diff --git a/include/elf/.Sanitize b/include/elf/.Sanitize
index d71f634..8df3246 100644
--- a/include/elf/.Sanitize
+++ b/include/elf/.Sanitize
@@ -25,12 +25,12 @@ Do-first:
Things-to-keep:
-
ChangeLog
common.h
dwarf.h
external.h
internal.h
+mips.h
Things-to-lose:
diff --git a/include/elf/mips.h b/include/elf/mips.h
new file mode 100644
index 0000000..dd5954b
--- /dev/null
+++ b/include/elf/mips.h
@@ -0,0 +1,152 @@
+/* MIPS ELF support for BFD.
+ Copyright (C) 1993 Free Software Foundation, Inc.
+
+ By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
+ information in the System V Application Binary Interface, MIPS
+ Processor Supplement.
+
+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. */
+
+/* This file holds definitions specific to the MIPS ELF ABI. Note
+ that most of this is not actually implemented by BFD. */
+
+/* Processor specific flags for the ELF header e_flags field. */
+
+/* At least one .noreorder directive appears in the source. */
+#define EF_MIPS_NOREORDER 0x00000001
+
+/* File contains position independent code. */
+#define EF_MIPS_PIC 0x00000002
+
+/* Code in file uses the standard calling sequence for calling
+ position independent code. */
+#define EF_MIPS_CPIC 0x00000004
+
+/* Four bit MIPS architecture field. */
+#define EF_MIPS_ARCH 0xf0000000
+
+/* Processor specific section indices. These sections do not actually
+ exist. Symbols with a st_shndx field corresponding to one of these
+ values have a special meaning. */
+
+/* Defined and allocated common symbol. Value is virtual address. If
+ relocated, alignment must be preserved. */
+#define SHN_MIPS_ACOMMON 0xff00
+
+/* Small common symbol. */
+#define SHN_MIPS_SCOMMON 0xff03
+
+/* Small undefined symbol. */
+#define SHN_MIPS_SUNDEFINED 0xff04
+
+/* Processor specific section types. */
+
+/* Section contains the set of dynamic shared objects used when
+ statically linking. */
+#define SHT_MIPS_LIBLIST 0x70000000
+
+/* Section contains list of symbols whose definitions conflict with
+ symbols defined in shared objects. */
+#define SHT_MIPS_CONFLICT 0x70000002
+
+/* Section contains the global pointer table. */
+#define SHT_MIPS_GPTAB 0x70000003
+
+/* Section contains microcode information. The exact format is
+ unspecified. */
+#define SHT_MIPS_UCODE 0x70000004
+
+/* Section contains some sort of debugging information. The exact
+ format is unspecified. It's probably ECOFF symbols. */
+#define SHT_MIPS_DEBUG 0x70000005
+
+/* Section contains register usage information. */
+#define SHT_MIPS_REGINFO 0x70000006
+
+/* A section of type SHT_MIPS_LIBLIST contains an array of the
+ following structure. The sh_link field is the section index of the
+ string table. The sh_info field is the number of entries in the
+ section. */
+typedef struct
+{
+ /* String table index for name of shared object. */
+ Elf32_Word l_name;
+ /* Time stamp. */
+ Elf32_Word l_time_stamp;
+ /* Checksum of symbol names and common sizes. */
+ Elf32_Word l_checksum;
+ /* String table index for version. */
+ Elf32_Word l_version;
+ /* Flags. */
+ Elf32_Word l_flags;
+} Elf32_Lib;
+
+/* The l_flags field of an Elf32_Lib structure may contain the
+ following flags. */
+
+/* Require an exact match at runtime. */
+#define LL_EXACT_MATCH 0x00000001
+
+/* Ignore version incompatibilities at runtime. */
+#define LL_IGNORE_INT_VER 0x00000002
+
+/* A section of type SHT_MIPS_CONFLICT is an array of indices into the
+ .dynsym section. Each element has the following type. */
+typedef Elf32_Addr Elf32_Conflict;
+
+/* A section of type SHT_MIPS_GPTAB contains information about how
+ much GP space would be required for different -G arguments. This
+ information is only used so that the linker can provide informative
+ suggestions as to the best -G value to use. The sh_info field is
+ the index of the section for which this information applies. The
+ contents of the section are an array of the following union. The
+ first element uses the gt_header field. The remaining elements use
+ the gt_entry field. */
+typedef union
+{
+ struct
+ {
+ /* -G value actually used for this object file. */
+ Elf32_Word gt_current_g_value;
+ /* Unused. */
+ Elf32_Word gt_unused;
+ } gt_header;
+ struct
+ {
+ /* If this -G argument has been used... */
+ Elf32_Word gt_g_value;
+ /* ...this many GP section bytes would be required. */
+ Elf32_Word gt_bytes;
+ } gt_entry;
+} Elf32_gptab;
+
+/* A section of type SHT_MIPS_REGINFO contains the following
+ structure. */
+typedef struct
+{
+ /* Mask of general purpose registers used. */
+ Elf32_Word ri_gprmask;
+ /* Mask of co-processor registers used. */
+ Elf32_Word ri_cprmask[4];
+ /* GP register value for this object file. */
+ Elf32_SWord ri_gp_value;
+} Elf_RegInfo;
+
+/* Processor specific section flags. */
+
+/* This section must be in the global data area. */
+define SHF_MIPS_GPREL 0x10000000