/* 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
/* 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
#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 */
projects / deliverable / binutils-gdb.git / blobdiff