diff options
Diffstat (limited to 'binutils-2.25/include/elf/ppc64.h')
| -rw-r--r-- | binutils-2.25/include/elf/ppc64.h | 79 |
1 files changed, 74 insertions, 5 deletions
diff --git a/binutils-2.25/include/elf/ppc64.h b/binutils-2.25/include/elf/ppc64.h index f1c80f18..013b52c7 100644 --- a/binutils-2.25/include/elf/ppc64.h +++ b/binutils-2.25/include/elf/ppc64.h @@ -1,5 +1,5 @@ /* PPC64 ELF support for BFD. - Copyright 2003, 2005, 2009, 2010, 2011 Free Software Foundation, Inc. + Copyright (C) 2003-2014 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -141,6 +141,18 @@ START_RELOC_NUMBERS (elf_ppc64_reloc_type) RELOC_NUMBER (R_PPC64_TLSLD, 108) RELOC_NUMBER (R_PPC64_TOCSAVE, 109) +/* Added when HA and HI relocs were changed to report overflows. */ + RELOC_NUMBER (R_PPC64_ADDR16_HIGH, 110) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHA, 111) + RELOC_NUMBER (R_PPC64_TPREL16_HIGH, 112) + RELOC_NUMBER (R_PPC64_TPREL16_HIGHA, 113) + RELOC_NUMBER (R_PPC64_DTPREL16_HIGH, 114) + RELOC_NUMBER (R_PPC64_DTPREL16_HIGHA, 115) + +/* Added for ELFv2. */ + RELOC_NUMBER (R_PPC64_REL24_NOTOC, 116) + RELOC_NUMBER (R_PPC64_ADDR64_LOCAL, 117) + #ifndef RELOC_MACROS_GEN_FUNC /* Fake relocation only used internally by ld. */ RELOC_NUMBER (R_PPC64_LO_DS_OPT, 128) @@ -161,8 +173,63 @@ START_RELOC_NUMBERS (elf_ppc64_reloc_type) END_RELOC_NUMBERS (R_PPC64_max) -#define IS_PPC64_TLS_RELOC(R) \ - ((R) >= R_PPC64_TLS && (R) <= R_PPC64_DTPREL16_HIGHESTA) +#define IS_PPC64_TLS_RELOC(R) \ + (((R) >= R_PPC64_TLS && (R) <= R_PPC64_DTPREL16_HIGHESTA) \ + || ((R) >= R_PPC64_TPREL16_HIGH && (R) <= R_PPC64_DTPREL16_HIGHA)) + + +/* e_flags bits specifying ABI. + 1 for original function descriptor using ABI, + 2 for revised ABI without function descriptors, + 0 for unspecified or not using any features affected by the differences. */ +#define EF_PPC64_ABI 3 + +/* The ELFv2 ABI uses three bits in the symbol st_other field of a + function definition to specify the number of instructions between a + function's global entry point and local entry point. + The global entry point is used when it is necessary to set up the + toc pointer (r2) for the function. Callers must enter the global + entry point with r12 set to the global entry point address. On + return from the function, r2 may have a different value to that + which it had on entry. + The local entry point is used when r2 is known to already be valid + for the function. There is no requirement on r12 when using the + local entry point, and on return r2 will contain the same value as + at entry. + A value of zero in these bits means that the function has a single + entry point with no requirement on r12 or r2, and that on return r2 + will contain the same value as at entry. + Values of one and seven are reserved. */ +#define STO_PPC64_LOCAL_BIT 5 +#define STO_PPC64_LOCAL_MASK (7 << STO_PPC64_LOCAL_BIT) + +// 3 bit other field to bytes. +static inline unsigned int +ppc64_decode_local_entry(unsigned int other) +{ + return ((1 << other) >> 2) << 2; +} + +// bytes to field value. +static inline unsigned int +ppc64_encode_local_entry(unsigned int val) +{ + return (val >= 4 * 4 + ? (val >= 8 * 4 + ? (val >= 16 * 4 ? 6 : 5) + : 4) + : (val >= 2 * 4 + ? 3 + : (val >= 1 * 4 ? 2 : 0))); +} + +/* st_other to number of bytes. */ +#define PPC64_LOCAL_ENTRY_OFFSET(other) \ + ppc64_decode_local_entry (((other) & STO_PPC64_LOCAL_MASK) \ + >> STO_PPC64_LOCAL_BIT) +/* number of bytes to st_other. */ +#define PPC64_SET_LOCAL_ENTRY_OFFSET(val) \ + ppc64_encode_local_entry (val) << STO_PPC64_LOCAL_BIT /* Specify the start of the .glink section. */ #define DT_PPC64_GLINK DT_LOPROC @@ -171,7 +238,9 @@ END_RELOC_NUMBERS (R_PPC64_max) #define DT_PPC64_OPD (DT_LOPROC + 1) #define DT_PPC64_OPDSZ (DT_LOPROC + 2) -/* Specify that tls descriptors should be optimized. */ -#define DT_PPC64_TLSOPT (DT_LOPROC + 3) +/* Specify whether various optimisations are possible. */ +#define DT_PPC64_OPT (DT_LOPROC + 3) +#define PPC64_OPT_TLS 1 +#define PPC64_OPT_MULTI_TOC 2 #endif /* _ELF_PPC64_H */ |