diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/elf/.Sanitize | 2 | ||||
| -rw-r--r-- | include/elf/mips.h | 152 |
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 |