diff options
Diffstat (limited to 'contrib/gdb/include/elf/mips.h')
| -rw-r--r-- | contrib/gdb/include/elf/mips.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/contrib/gdb/include/elf/mips.h b/contrib/gdb/include/elf/mips.h new file mode 100644 index 0000000..f0d8cd7 --- /dev/null +++ b/contrib/gdb/include/elf/mips.h @@ -0,0 +1,298 @@ +/* MIPS ELF support for BFD. + Copyright (C) 1993, 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* This file holds definitions specific to the MIPS ELF ABI. Note + that most of this is not actually implemented by BFD. */ + +#ifndef _ELF_MIPS_H +#define _ELF_MIPS_H + +/* 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 + +/* -mips1 code. */ +#define E_MIPS_ARCH_1 0x00000000 + +/* -mips2 code. */ +#define E_MIPS_ARCH_2 0x10000000 + +/* -mips3 code. */ +#define E_MIPS_ARCH_3 0x20000000 + +/* 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 + +/* Defined and allocated text symbol. Value is virtual address. + Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ +#define SHN_MIPS_TEXT 0xff01 + +/* Defined and allocated data symbol. Value is virtual address. + Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ +#define SHN_MIPS_DATA 0xff02 + +/* 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 + +/* I'm not sure what this is, but it's used on Irix 5. */ +#define SHT_MIPS_MSYM 0x70000001 + +/* 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 + +/* Section contains miscellaneous options (used on Irix). */ +#define SHT_MIPS_OPTIONS 0x7000000d + +/* DWARF debugging section (used on Irix 6). */ +#define SHT_MIPS_DWARF 0x7000001e + +/* Events section. This appears on Irix 6. I don't know what it + means. */ +#define SHT_MIPS_EVENTS 0x70000021 + +/* 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. */ + unsigned long l_name; + /* Time stamp. */ + unsigned long l_time_stamp; + /* Checksum of symbol names and common sizes. */ + unsigned long l_checksum; + /* String table index for version. */ + unsigned long l_version; + /* Flags. */ + unsigned long 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 unsigned long 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. */ + unsigned long gt_current_g_value; + /* Unused. */ + unsigned long gt_unused; + } gt_header; + struct + { + /* If this -G argument has been used... */ + unsigned long gt_g_value; + /* ...this many GP section bytes would be required. */ + unsigned long gt_bytes; + } gt_entry; +} Elf32_gptab; + +/* The external version of Elf32_gptab. */ + +typedef union +{ + struct + { + unsigned char gt_current_g_value[4]; + unsigned char gt_unused[4]; + } gt_header; + struct + { + unsigned char gt_g_value[4]; + unsigned char gt_bytes[4]; + } gt_entry; +} Elf32_External_gptab; + +/* A section of type SHT_MIPS_REGINFO contains the following + structure. */ +typedef struct +{ + /* Mask of general purpose registers used. */ + unsigned long ri_gprmask; + /* Mask of co-processor registers used. */ + unsigned long ri_cprmask[4]; + /* GP register value for this object file. */ + long ri_gp_value; +} Elf32_RegInfo; + +/* The external version of the Elf_RegInfo structure. */ +typedef struct +{ + unsigned char ri_gprmask[4]; + unsigned char ri_cprmask[4][4]; + unsigned char ri_gp_value[4]; +} Elf32_External_RegInfo; + +/* MIPS ELF .reginfo swapping routines. */ +extern void bfd_mips_elf32_swap_reginfo_in + PARAMS ((bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *)); +extern void bfd_mips_elf32_swap_reginfo_out + PARAMS ((bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *)); + +/* Processor specific section flags. */ + +/* This section must be in the global data area. */ +#define SHF_MIPS_GPREL 0x10000000 + +/* Processor specific program header types. */ + +/* Register usage information. Identifies one .reginfo section. */ +#define PT_MIPS_REGINFO 0x70000000 + +/* Runtime procedure table. */ +#define PT_MIPS_RTPROC 0x70000001 + +/* Processor specific dynamic array tags. */ + +/* 32 bit version number for runtime linker interface. */ +#define DT_MIPS_RLD_VERSION 0x70000001 + +/* Time stamp. */ +#define DT_MIPS_TIME_STAMP 0x70000002 + +/* Checksum of external strings and common sizes. */ +#define DT_MIPS_ICHECKSUM 0x70000003 + +/* Index of version string in string table. */ +#define DT_MIPS_IVERSION 0x70000004 + +/* 32 bits of flags. */ +#define DT_MIPS_FLAGS 0x70000005 + +/* Base address of the segment. */ +#define DT_MIPS_BASE_ADDRESS 0x70000006 + +/* Address of .conflict section. */ +#define DT_MIPS_CONFLICT 0x70000008 + +/* Address of .liblist section. */ +#define DT_MIPS_LIBLIST 0x70000009 + +/* Number of local global offset table entries. */ +#define DT_MIPS_LOCAL_GOTNO 0x7000000a + +/* Number of entries in the .conflict section. */ +#define DT_MIPS_CONFLICTNO 0x7000000b + +/* Number of entries in the .liblist section. */ +#define DT_MIPS_LIBLISTNO 0x70000010 + +/* Number of entries in the .dynsym section. */ +#define DT_MIPS_SYMTABNO 0x70000011 + +/* Index of first external dynamic symbol not referenced locally. */ +#define DT_MIPS_UNREFEXTNO 0x70000012 + +/* Index of first dynamic symbol in global offset table. */ +#define DT_MIPS_GOTSYM 0x70000013 + +/* Number of page table entries in global offset table. */ +#define DT_MIPS_HIPAGENO 0x70000014 + +/* Address of run time loader map, used for debugging. */ +#define DT_MIPS_RLD_MAP 0x70000016 + +/* Flags which may appear in a DT_MIPS_FLAGS entry. */ + +/* No flags. */ +#define RHF_NONE 0x00000000 + +/* Uses shortcut pointers. */ +#define RHF_QUICKSTART 0x00000001 + +/* Hash size is not a power of two. */ +#define RHF_NOTPOT 0x00000002 + +/* Ignore LD_LIBRARY_PATH. */ +#define RHS_NO_LIBRARY_REPLACEMENT \ + 0x00000004 + +/* Special values for the st_other field in the symbol table. These + are used in an Irix 5 dynamic symbol table. */ + +#define STO_DEFAULT 0x00 +#define STO_INTERNAL 0x01 +#define STO_HIDDEN 0x02 +#define STO_PROTECTED 0x03 + +#endif /* _ELF_MIPS_H */ |
