X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Felf%2Fppc64.h;h=e2ad918e6b2096b26041525ae9f7788e150b9f9e;hb=666318230c54a348763927c80d085542d9890c42;hp=1cbb639dce1d52b6dc288e834c9172558bad77a9;hpb=1df2fdb5b7f06255d846e19c3b797d1b3b53fff9;p=deliverable%2Fbinutils-gdb.git diff --git a/include/elf/ppc64.h b/include/elf/ppc64.h index 1cbb639dce..e2ad918e6b 100644 --- a/include/elf/ppc64.h +++ b/include/elf/ppc64.h @@ -1,21 +1,22 @@ /* PPC64 ELF support for BFD. - Copyright 2003 Free Software Foundation, Inc. + Copyright (C) 2003-2020 Free Software Foundation, Inc. -This file is part of BFD, the Binary File Descriptor library. + 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 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 3 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. + 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. */ + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #ifndef _ELF_PPC64_H #define _ELF_PPC64_H @@ -24,83 +25,265 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Relocations. */ START_RELOC_NUMBERS (elf_ppc64_reloc_type) - RELOC_NUMBER (R_PPC64_NONE, 0) - RELOC_NUMBER (R_PPC64_ADDR32, 1) - RELOC_NUMBER (R_PPC64_ADDR24, 2) - RELOC_NUMBER (R_PPC64_ADDR16, 3) - RELOC_NUMBER (R_PPC64_ADDR16_LO, 4) - RELOC_NUMBER (R_PPC64_ADDR16_HI, 5) - RELOC_NUMBER (R_PPC64_ADDR16_HA, 6) - RELOC_NUMBER (R_PPC64_ADDR14, 7) - RELOC_NUMBER (R_PPC64_ADDR14_BRTAKEN, 8) - RELOC_NUMBER (R_PPC64_ADDR14_BRNTAKEN, 9) - RELOC_NUMBER (R_PPC64_REL24, 10) - RELOC_NUMBER (R_PPC64_REL14, 11) - RELOC_NUMBER (R_PPC64_REL14_BRTAKEN, 12) - RELOC_NUMBER (R_PPC64_REL14_BRNTAKEN, 13) - RELOC_NUMBER (R_PPC64_GOT16, 14) - RELOC_NUMBER (R_PPC64_GOT16_LO, 15) - RELOC_NUMBER (R_PPC64_GOT16_HI, 16) - RELOC_NUMBER (R_PPC64_GOT16_HA, 17) + RELOC_NUMBER (R_PPC64_NONE, 0) + RELOC_NUMBER (R_PPC64_ADDR32, 1) + RELOC_NUMBER (R_PPC64_ADDR24, 2) + RELOC_NUMBER (R_PPC64_ADDR16, 3) + RELOC_NUMBER (R_PPC64_ADDR16_LO, 4) + RELOC_NUMBER (R_PPC64_ADDR16_HI, 5) + RELOC_NUMBER (R_PPC64_ADDR16_HA, 6) + RELOC_NUMBER (R_PPC64_ADDR14, 7) + RELOC_NUMBER (R_PPC64_ADDR14_BRTAKEN, 8) + RELOC_NUMBER (R_PPC64_ADDR14_BRNTAKEN, 9) + RELOC_NUMBER (R_PPC64_REL24, 10) + RELOC_NUMBER (R_PPC64_REL14, 11) + RELOC_NUMBER (R_PPC64_REL14_BRTAKEN, 12) + RELOC_NUMBER (R_PPC64_REL14_BRNTAKEN, 13) + RELOC_NUMBER (R_PPC64_GOT16, 14) + RELOC_NUMBER (R_PPC64_GOT16_LO, 15) + RELOC_NUMBER (R_PPC64_GOT16_HI, 16) + RELOC_NUMBER (R_PPC64_GOT16_HA, 17) /* 18 unused. 32-bit reloc is R_PPC_PLTREL24. */ - RELOC_NUMBER (R_PPC64_COPY, 19) - RELOC_NUMBER (R_PPC64_GLOB_DAT, 20) - RELOC_NUMBER (R_PPC64_JMP_SLOT, 21) - RELOC_NUMBER (R_PPC64_RELATIVE, 22) + RELOC_NUMBER (R_PPC64_COPY, 19) + RELOC_NUMBER (R_PPC64_GLOB_DAT, 20) + RELOC_NUMBER (R_PPC64_JMP_SLOT, 21) + RELOC_NUMBER (R_PPC64_RELATIVE, 22) /* 23 unused. 32-bit reloc is R_PPC_LOCAL24PC. */ - RELOC_NUMBER (R_PPC64_UADDR32, 24) - RELOC_NUMBER (R_PPC64_UADDR16, 25) - RELOC_NUMBER (R_PPC64_REL32, 26) - RELOC_NUMBER (R_PPC64_PLT32, 27) - RELOC_NUMBER (R_PPC64_PLTREL32, 28) - RELOC_NUMBER (R_PPC64_PLT16_LO, 29) - RELOC_NUMBER (R_PPC64_PLT16_HI, 30) - RELOC_NUMBER (R_PPC64_PLT16_HA, 31) + RELOC_NUMBER (R_PPC64_UADDR32, 24) + RELOC_NUMBER (R_PPC64_UADDR16, 25) + RELOC_NUMBER (R_PPC64_REL32, 26) + RELOC_NUMBER (R_PPC64_PLT32, 27) + RELOC_NUMBER (R_PPC64_PLTREL32, 28) + RELOC_NUMBER (R_PPC64_PLT16_LO, 29) + RELOC_NUMBER (R_PPC64_PLT16_HI, 30) + RELOC_NUMBER (R_PPC64_PLT16_HA, 31) /* 32 unused. 32-bit reloc is R_PPC_SDAREL16. */ - RELOC_NUMBER (R_PPC64_SECTOFF, 33) - RELOC_NUMBER (R_PPC64_SECTOFF_LO, 34) - RELOC_NUMBER (R_PPC64_SECTOFF_HI, 35) - RELOC_NUMBER (R_PPC64_SECTOFF_HA, 36) - RELOC_NUMBER (R_PPC64_REL30, 37) - RELOC_NUMBER (R_PPC64_ADDR64, 38) - RELOC_NUMBER (R_PPC64_ADDR16_HIGHER, 39) - RELOC_NUMBER (R_PPC64_ADDR16_HIGHERA, 40) - RELOC_NUMBER (R_PPC64_ADDR16_HIGHEST, 41) - RELOC_NUMBER (R_PPC64_ADDR16_HIGHESTA, 42) - RELOC_NUMBER (R_PPC64_UADDR64, 43) - RELOC_NUMBER (R_PPC64_REL64, 44) - RELOC_NUMBER (R_PPC64_PLT64, 45) - RELOC_NUMBER (R_PPC64_PLTREL64, 46) - RELOC_NUMBER (R_PPC64_TOC16, 47) - RELOC_NUMBER (R_PPC64_TOC16_LO, 48) - RELOC_NUMBER (R_PPC64_TOC16_HI, 49) - RELOC_NUMBER (R_PPC64_TOC16_HA, 50) - RELOC_NUMBER (R_PPC64_TOC, 51) - RELOC_NUMBER (R_PPC64_PLTGOT16, 52) - RELOC_NUMBER (R_PPC64_PLTGOT16_LO, 53) - RELOC_NUMBER (R_PPC64_PLTGOT16_HI, 54) - RELOC_NUMBER (R_PPC64_PLTGOT16_HA, 55) - -/* The following relocs were added in the 64-bit PowerPC ELF ABI - revision 1.2. */ - RELOC_NUMBER (R_PPC64_ADDR16_DS, 56) - RELOC_NUMBER (R_PPC64_ADDR16_LO_DS, 57) - RELOC_NUMBER (R_PPC64_GOT16_DS, 58) - RELOC_NUMBER (R_PPC64_GOT16_LO_DS, 59) - RELOC_NUMBER (R_PPC64_PLT16_LO_DS, 60) - RELOC_NUMBER (R_PPC64_SECTOFF_DS, 61) - RELOC_NUMBER (R_PPC64_SECTOFF_LO_DS, 62) - RELOC_NUMBER (R_PPC64_TOC16_DS, 63) - RELOC_NUMBER (R_PPC64_TOC16_LO_DS, 64) - RELOC_NUMBER (R_PPC64_PLTGOT16_DS, 65) - RELOC_NUMBER (R_PPC64_PLTGOT16_LO_DS, 66) + RELOC_NUMBER (R_PPC64_SECTOFF, 33) + RELOC_NUMBER (R_PPC64_SECTOFF_LO, 34) + RELOC_NUMBER (R_PPC64_SECTOFF_HI, 35) + RELOC_NUMBER (R_PPC64_SECTOFF_HA, 36) + RELOC_NUMBER (R_PPC64_REL30, 37) + RELOC_NUMBER (R_PPC64_ADDR64, 38) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHER, 39) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHERA, 40) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHEST, 41) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHESTA, 42) + RELOC_NUMBER (R_PPC64_UADDR64, 43) + RELOC_NUMBER (R_PPC64_REL64, 44) + RELOC_NUMBER (R_PPC64_PLT64, 45) + RELOC_NUMBER (R_PPC64_PLTREL64, 46) + RELOC_NUMBER (R_PPC64_TOC16, 47) + RELOC_NUMBER (R_PPC64_TOC16_LO, 48) + RELOC_NUMBER (R_PPC64_TOC16_HI, 49) + RELOC_NUMBER (R_PPC64_TOC16_HA, 50) + RELOC_NUMBER (R_PPC64_TOC, 51) + RELOC_NUMBER (R_PPC64_PLTGOT16, 52) + RELOC_NUMBER (R_PPC64_PLTGOT16_LO, 53) + RELOC_NUMBER (R_PPC64_PLTGOT16_HI, 54) + RELOC_NUMBER (R_PPC64_PLTGOT16_HA, 55) + + /* The following relocs were added in the 64-bit PowerPC ELF ABI + revision 1.2. */ + RELOC_NUMBER (R_PPC64_ADDR16_DS, 56) + RELOC_NUMBER (R_PPC64_ADDR16_LO_DS, 57) + RELOC_NUMBER (R_PPC64_GOT16_DS, 58) + RELOC_NUMBER (R_PPC64_GOT16_LO_DS, 59) + RELOC_NUMBER (R_PPC64_PLT16_LO_DS, 60) + RELOC_NUMBER (R_PPC64_SECTOFF_DS, 61) + RELOC_NUMBER (R_PPC64_SECTOFF_LO_DS, 62) + RELOC_NUMBER (R_PPC64_TOC16_DS, 63) + RELOC_NUMBER (R_PPC64_TOC16_LO_DS, 64) + RELOC_NUMBER (R_PPC64_PLTGOT16_DS, 65) + RELOC_NUMBER (R_PPC64_PLTGOT16_LO_DS, 66) + + /* Relocs added to support TLS. PowerPC64 ELF ABI revision 1.5. */ + RELOC_NUMBER (R_PPC64_TLS, 67) + RELOC_NUMBER (R_PPC64_DTPMOD64, 68) + RELOC_NUMBER (R_PPC64_TPREL16, 69) + RELOC_NUMBER (R_PPC64_TPREL16_LO, 70) + RELOC_NUMBER (R_PPC64_TPREL16_HI, 71) + RELOC_NUMBER (R_PPC64_TPREL16_HA, 72) + RELOC_NUMBER (R_PPC64_TPREL64, 73) + RELOC_NUMBER (R_PPC64_DTPREL16, 74) + RELOC_NUMBER (R_PPC64_DTPREL16_LO, 75) + RELOC_NUMBER (R_PPC64_DTPREL16_HI, 76) + RELOC_NUMBER (R_PPC64_DTPREL16_HA, 77) + RELOC_NUMBER (R_PPC64_DTPREL64, 78) + RELOC_NUMBER (R_PPC64_GOT_TLSGD16, 79) + RELOC_NUMBER (R_PPC64_GOT_TLSGD16_LO, 80) + RELOC_NUMBER (R_PPC64_GOT_TLSGD16_HI, 81) + RELOC_NUMBER (R_PPC64_GOT_TLSGD16_HA, 82) + RELOC_NUMBER (R_PPC64_GOT_TLSLD16, 83) + RELOC_NUMBER (R_PPC64_GOT_TLSLD16_LO, 84) + RELOC_NUMBER (R_PPC64_GOT_TLSLD16_HI, 85) + RELOC_NUMBER (R_PPC64_GOT_TLSLD16_HA, 86) + RELOC_NUMBER (R_PPC64_GOT_TPREL16_DS, 87) + RELOC_NUMBER (R_PPC64_GOT_TPREL16_LO_DS, 88) + RELOC_NUMBER (R_PPC64_GOT_TPREL16_HI, 89) + RELOC_NUMBER (R_PPC64_GOT_TPREL16_HA, 90) + RELOC_NUMBER (R_PPC64_GOT_DTPREL16_DS, 91) + RELOC_NUMBER (R_PPC64_GOT_DTPREL16_LO_DS, 92) + RELOC_NUMBER (R_PPC64_GOT_DTPREL16_HI, 93) + RELOC_NUMBER (R_PPC64_GOT_DTPREL16_HA, 94) + RELOC_NUMBER (R_PPC64_TPREL16_DS, 95) + RELOC_NUMBER (R_PPC64_TPREL16_LO_DS, 96) + RELOC_NUMBER (R_PPC64_TPREL16_HIGHER, 97) + RELOC_NUMBER (R_PPC64_TPREL16_HIGHERA, 98) + RELOC_NUMBER (R_PPC64_TPREL16_HIGHEST, 99) + RELOC_NUMBER (R_PPC64_TPREL16_HIGHESTA, 100) + RELOC_NUMBER (R_PPC64_DTPREL16_DS, 101) + RELOC_NUMBER (R_PPC64_DTPREL16_LO_DS, 102) + RELOC_NUMBER (R_PPC64_DTPREL16_HIGHER, 103) + RELOC_NUMBER (R_PPC64_DTPREL16_HIGHERA, 104) + RELOC_NUMBER (R_PPC64_DTPREL16_HIGHEST, 105) + RELOC_NUMBER (R_PPC64_DTPREL16_HIGHESTA, 106) + RELOC_NUMBER (R_PPC64_TLSGD, 107) + 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) + RELOC_NUMBER (R_PPC64_ENTRY, 118) + +/* Marker reloc for inline plt call insns. */ + RELOC_NUMBER (R_PPC64_PLTSEQ, 119) + RELOC_NUMBER (R_PPC64_PLTCALL, 120) + +/* Powerxx support. */ + RELOC_NUMBER (R_PPC64_PLTSEQ_NOTOC, 121) + RELOC_NUMBER (R_PPC64_PLTCALL_NOTOC, 122) + RELOC_NUMBER (R_PPC64_PCREL_OPT, 123) + + RELOC_NUMBER (R_PPC64_D34, 128) + RELOC_NUMBER (R_PPC64_D34_LO, 129) + RELOC_NUMBER (R_PPC64_D34_HI30, 130) + RELOC_NUMBER (R_PPC64_D34_HA30, 131) + RELOC_NUMBER (R_PPC64_PCREL34, 132) + RELOC_NUMBER (R_PPC64_GOT_PCREL34, 133) + RELOC_NUMBER (R_PPC64_PLT_PCREL34, 134) + RELOC_NUMBER (R_PPC64_PLT_PCREL34_NOTOC, 135) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHER34, 136) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHERA34, 137) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHEST34, 138) + RELOC_NUMBER (R_PPC64_ADDR16_HIGHESTA34, 139) + RELOC_NUMBER (R_PPC64_REL16_HIGHER34, 140) + RELOC_NUMBER (R_PPC64_REL16_HIGHERA34, 141) + RELOC_NUMBER (R_PPC64_REL16_HIGHEST34, 142) + RELOC_NUMBER (R_PPC64_REL16_HIGHESTA34, 143) + RELOC_NUMBER (R_PPC64_D28, 144) + RELOC_NUMBER (R_PPC64_PCREL28, 145) + RELOC_NUMBER (R_PPC64_TPREL34, 146) + RELOC_NUMBER (R_PPC64_DTPREL34, 147) + RELOC_NUMBER (R_PPC64_GOT_TLSGD34, 148) + RELOC_NUMBER (R_PPC64_GOT_TLSLD34, 149) + RELOC_NUMBER (R_PPC64_GOT_TPREL34, 150) + RELOC_NUMBER (R_PPC64_GOT_DTPREL34, 151) + +#ifndef RELOC_MACROS_GEN_FUNC +/* Relocation only used internally by gas or ld. If you need to use + these reloc numbers, you can change them to some other unused value + without affecting the ABI. They will never appear in object files. */ + RELOC_NUMBER (R_PPC64_LO_DS_OPT, 200) + RELOC_NUMBER (R_PPC64_16DX_HA, 201) +#endif + + RELOC_NUMBER (R_PPC64_REL16_HIGH, 240) + RELOC_NUMBER (R_PPC64_REL16_HIGHA, 241) + RELOC_NUMBER (R_PPC64_REL16_HIGHER, 242) + RELOC_NUMBER (R_PPC64_REL16_HIGHERA, 243) + RELOC_NUMBER (R_PPC64_REL16_HIGHEST, 244) + RELOC_NUMBER (R_PPC64_REL16_HIGHESTA, 245) + +/* Power9 split rel16 for addpcis. */ + RELOC_NUMBER (R_PPC64_REL16DX_HA, 246) + +/* Support STT_GNU_IFUNC plt calls. */ + RELOC_NUMBER (R_PPC64_JMP_IREL, 247) + RELOC_NUMBER (R_PPC64_IRELATIVE, 248) + +/* These are GNU extensions used in PIC code sequences. */ + RELOC_NUMBER (R_PPC64_REL16, 249) + RELOC_NUMBER (R_PPC64_REL16_LO, 250) + RELOC_NUMBER (R_PPC64_REL16_HI, 251) + RELOC_NUMBER (R_PPC64_REL16_HA, 252) /* These are GNU extensions to enable C++ vtable garbage collection. */ - RELOC_NUMBER (R_PPC64_GNU_VTINHERIT, 253) - RELOC_NUMBER (R_PPC64_GNU_VTENTRY, 254) + RELOC_NUMBER (R_PPC64_GNU_VTINHERIT, 253) + RELOC_NUMBER (R_PPC64_GNU_VTENTRY, 254) END_RELOC_NUMBERS (R_PPC64_max) +#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) \ + || ((R) >= R_PPC64_TPREL34 && (R) <= R_PPC64_GOT_DTPREL34)) + +/* 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 bytes between a + function's global entry point and local entry point. + Values of two to six specify powers of two from four to sixty four + bytes. For such functions: + 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 will contain the toc pointer for the + function. + 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. + A value of one means that the function has a single entry point + with no requirement on r12 or r2, and that r2 is *not* preserved. + A value of seven is 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 @@ -108,4 +291,10 @@ END_RELOC_NUMBERS (R_PPC64_max) #define DT_PPC64_OPD (DT_LOPROC + 1) #define DT_PPC64_OPDSZ (DT_LOPROC + 2) +/* Specify whether various optimisations are possible. */ +#define DT_PPC64_OPT (DT_LOPROC + 3) +#define PPC64_OPT_TLS 1 +#define PPC64_OPT_MULTI_TOC 2 +#define PPC64_OPT_LOCALENTRY 4 + #endif /* _ELF_PPC64_H */