/* MIPS ELF support for BFD.
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
START_RELOC_NUMBERS (elf_mips_reloc_type)
RELOC_NUMBER (R_MIPS_NONE, 0)
RELOC_NUMBER (R_MIPS_16, 1)
- RELOC_NUMBER (R_MIPS_32, 2)
- RELOC_NUMBER (R_MIPS_REL32, 3)
+ RELOC_NUMBER (R_MIPS_32, 2) /* In Elf 64: alias R_MIPS_ADD */
+ RELOC_NUMBER (R_MIPS_REL32, 3) /* In Elf 64: alias R_MIPS_REL */
RELOC_NUMBER (R_MIPS_26, 4)
RELOC_NUMBER (R_MIPS_HI16, 5)
RELOC_NUMBER (R_MIPS_LO16, 6)
- RELOC_NUMBER (R_MIPS_GPREL16, 7)
+ RELOC_NUMBER (R_MIPS_GPREL16, 7) /* In Elf 64: alias R_MIPS_GPREL */
RELOC_NUMBER (R_MIPS_LITERAL, 8)
- RELOC_NUMBER (R_MIPS_GOT16, 9)
+ RELOC_NUMBER (R_MIPS_GOT16, 9) /* In Elf 64: alias R_MIPS_GOT */
RELOC_NUMBER (R_MIPS_PC16, 10)
- RELOC_NUMBER (R_MIPS_CALL16, 11)
+ RELOC_NUMBER (R_MIPS_CALL16, 11) /* In Elf 64: alias R_MIPS_CALL */
RELOC_NUMBER (R_MIPS_GPREL32, 12)
/* The remaining relocs are defined on Irix, although they are not
in the MIPS ELF ABI. */
position independent code. */
#define EF_MIPS_CPIC 0x00000004
+/* Code in file uses UCODE (obsolete) */
+#define EF_MIPS_UCODE 0x00000010
+
/* Code in file uses new ABI (-n32 on Irix 6). */
#define EF_MIPS_ABI2 0x00000020
+/* Process the .MIPS.options section first by ld */
+#define EF_MIPS_OPTIONS_FIRST 0x00000080
+
+/* Architectural Extensions used by this file */
+#define EF_MIPS_ARCH_ASE 0x0f000000
+
+/* Use MDMX multimedia extensions */
+#define EF_MIPS_ARCH_ASE_MDMX 0x08000000
+
+/* Use MIPS-16 ISA extensions */
+#define EF_MIPS_ARCH_ASE_M16 0x04000000
+
/* Indicates code compiled for a 64-bit machine in 32-bit mode.
(regs are 32-bits wide.) */
#define EF_MIPS_32BITMODE 0x00000100
/* ??? */
#define SHT_MIPS_RFDESC 0x7000001a
-/* ??? */
+/* Delta C++: symbol table */
#define SHT_MIPS_DELTASYM 0x7000001b
-/* ??? */
+/* Delta C++: instance table */
#define SHT_MIPS_DELTAINST 0x7000001c
-/* ??? */
+/* Delta C++: class table */
#define SHT_MIPS_DELTACLASS 0x7000001d
/* DWARF debugging section. */
#define SHT_MIPS_DWARF 0x7000001e
-/* ??? */
+/* Delta C++: declarations */
#define SHT_MIPS_DELTADECL 0x7000001f
/* List of libraries the binary depends on. Includes a time stamp, version
/* ??? */
#define SHT_MIPS_TRANSLATE 0x70000022
-/* ??? */
+/* Special pixie sections */
#define SHT_MIPS_PIXIE 0x70000023
-/* ??? */
+/* Address translation table (for debug info) */
#define SHT_MIPS_XLATE 0x70000024
-/* ??? */
+/* SGI internal address translation table (for debug info) */
#define SHT_MIPS_XLATE_DEBUG 0x70000025
-/* ??? */
+/* Intermediate code */
#define SHT_MIPS_WHIRL 0x70000026
-/* ??? */
+/* C++ exception handling region info */
#define SHT_MIPS_EH_REGION 0x70000027
-/* ??? */
+/* Obsolete address translation table (for debug info) */
#define SHT_MIPS_XLATE_OLD 0x70000028
-/* ??? */
+/* Runtime procedure descriptor table exception information (ucode) ??? */
#define SHT_MIPS_PDR_EXCEPTION 0x70000029
/* This section should be merged. */
#define SHF_MIPS_MERGE 0x20000000
-/* This section contains 32 bit addresses. */
-#define SHF_MIPS_ADDR32 0x40000000
+/* This section contains address data of size implied by section
+ element size. */
+#define SHF_MIPS_ADDR 0x40000000
-/* This section contains 64 bit addresses. */
-#define SHF_MIPS_ADDR64 0x80000000
+/* This section contains string data. */
+#define SHF_MIPS_STRING 0x80000000
/* This section may not be stripped. */
#define SHF_MIPS_NOSTRIP 0x08000000
/* Linker should generate implicit weak names for this section. */
#define SHF_MIPS_NAMES 0x02000000
+
+/* Section contais text/data which may be replicated in other sections.
+ Linker should retain only one copy. */
+#define SHF_MIPS_NODUPES 0x01000000
\f
/* Processor specific program header types. */
/* Runtime procedure table. */
#define PT_MIPS_RTPROC 0x70000001
-/* Options (for what ???). */
+/* .MIPS.options section. */
#define PT_MIPS_OPTIONS 0x70000002
\f
/* Processor specific dynamic array tags. */
/* Pixie information (???). */
#define DT_MIPS_PIXIE_INIT 0x70000023
-/* ??? */
+/* Address of .MIPS.symlib */
#define DT_MIPS_SYMBOL_LIB 0x70000024
-/* ??? */
+/* The GOT index of the first PTE for a segment */
#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
-/* ??? */
+/* The GOT index of the first PTE for a local symbol */
#define DT_MIPS_LOCAL_GOTIDX 0x70000026
-/* ??? */
+/* The GOT index of the first PTE for a hidden symbol */
#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
-/* ??? */
+/* The GOT index of the first PTE for a protected symbol */
#define DT_MIPS_PROTECTED_GOTIDX 0x70000028
/* Address of `.MIPS.options'. */
#define RHF_NOTPOT 0x00000002
/* Ignore LD_LIBRARY_PATH. */
-#define RHS_NO_LIBRARY_REPLACEMENT \
- 0x00000004
+#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
-#define RHF_NO_MOVE 0x00000008
-#define RHF_SGI_ONLY 0x00000010
+/* DSO address may not be relocated. */
+#define RHF_NO_MOVE 0x00000008
+
+/* SGI specific features. */
+#define RHF_SGI_ONLY 0x00000010
+
+/* Guarantee that .init will finish executing before any non-init
+ code in DSO is called. */
#define RHF_GUARANTEE_INIT 0x00000020
+
+/* Contains Delta C++ code. */
#define RHF_DELTA_C_PLUS_PLUS 0x00000040
+
+/* Guarantee that .init will start executing before any non-init
+ code in DSO is called. */
#define RHF_GUARANTEE_START_INIT 0x00000080
+
+/* Generated by pixie. */
#define RHF_PIXIE 0x00000100
+
+/* Delay-load DSO by default. */
#define RHF_DEFAULT_DELAY_LOAD 0x00000200
+
+/* Object may be requickstarted */
#define RHF_REQUICKSTART 0x00000400
+
+/* Object has been requickstarted */
#define RHF_REQUICKSTARTED 0x00000800
+
+/* Generated by cord. */
#define RHF_CORD 0x00001000
+
+/* Object contains no unresolved undef symbols. */
#define RHF_NO_UNRES_UNDEF 0x00002000
+
+/* Symbol table is in a safe order. */
#define RHF_RLD_ORDER_SAFE 0x00004000
\f
/* Special values for the st_other field in the symbol table. These
bfd_signed_vma r_addend;
} Elf64_Mips_Internal_Rela;
+/* MIPS ELF 64 relocation info access macros. */
+#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
+#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
+#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
+#define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
+
/* Values found in the r_ssym field of a relocation entry. */
/* No relocation. */
#define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */
#define OEX_PAGE0 0x10000 /* Page zero must be mapped. */
#define OEX_SMM 0x20000 /* Force sequential memory mode. */
-#define OEX_FPDBUG 0x40000 /* Force floating-point debug mode. */
+#define OEX_FPDBUG 0x40000 /* Force precise floating-point
+ exceptions (debug mode). */
#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */
/* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */
#define OPAD_SYMBOL 0x04
/* Masks for the info word of an ODK_HWPATCH descriptor. */
-#define OHW_R4KEOP 0x01 /* R4000 end-of-page patch. */
-#define OHW_R8KPFETCH 0x02 /* May need R8000 prefetch patch. */
-#define OHW_R5KEOP 0x04 /* R5000 end-of-page patch. */
-#define OHW_R5KCVTL 0x08 /* R5000 cvt.[ds].l bug (clean == 1). */
+#define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */
+#define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */
+#define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */
+#define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug
+ (clean == 1). */
+#define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned
+ load patch. */
/* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */
#define OGP_GROUP 0x0000ffff /* GP group number. */
projects / binutils-gdb.git / commitdiff