/* PPC ELF support for BFD.
- Copyright (C) 1995, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1995-2021 Free Software Foundation, Inc.
- By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information
- in the System V Application Binary Interface, PowerPC Processor Supplement
- and the PowerPC Embedded Application Binary Interface (eabi).
+ By Michael Meissner, Cygnus Support, <meissner@cygnus.com>,
+ from information in the System V Application Binary Interface,
+ PowerPC Processor Supplement and the PowerPC Embedded Application
+ Binary Interface (eabi).
-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. */
/* This file holds definitions specific to the PPC ELF ABI. Note
that most of this is not actually implemented by BFD. */
/* Relocations. */
START_RELOC_NUMBERS (elf_ppc_reloc_type)
- RELOC_NUMBER (R_PPC_NONE, 0)
- RELOC_NUMBER (R_PPC_ADDR32, 1)
- RELOC_NUMBER (R_PPC_ADDR24, 2)
- RELOC_NUMBER (R_PPC_ADDR16, 3)
- RELOC_NUMBER (R_PPC_ADDR16_LO, 4)
- RELOC_NUMBER (R_PPC_ADDR16_HI, 5)
- RELOC_NUMBER (R_PPC_ADDR16_HA, 6)
- RELOC_NUMBER (R_PPC_ADDR14, 7)
- RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8)
- RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9)
- RELOC_NUMBER (R_PPC_REL24, 10)
- RELOC_NUMBER (R_PPC_REL14, 11)
- RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12)
- RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13)
- RELOC_NUMBER (R_PPC_GOT16, 14)
- RELOC_NUMBER (R_PPC_GOT16_LO, 15)
- RELOC_NUMBER (R_PPC_GOT16_HI, 16)
- RELOC_NUMBER (R_PPC_GOT16_HA, 17)
- RELOC_NUMBER (R_PPC_PLTREL24, 18)
- RELOC_NUMBER (R_PPC_COPY, 19)
- RELOC_NUMBER (R_PPC_GLOB_DAT, 20)
- RELOC_NUMBER (R_PPC_JMP_SLOT, 21)
- RELOC_NUMBER (R_PPC_RELATIVE, 22)
- RELOC_NUMBER (R_PPC_LOCAL24PC, 23)
- RELOC_NUMBER (R_PPC_UADDR32, 24)
- RELOC_NUMBER (R_PPC_UADDR16, 25)
- RELOC_NUMBER (R_PPC_REL32, 26)
- RELOC_NUMBER (R_PPC_PLT32, 27)
- RELOC_NUMBER (R_PPC_PLTREL32, 28)
- RELOC_NUMBER (R_PPC_PLT16_LO, 29)
- RELOC_NUMBER (R_PPC_PLT16_HI, 30)
- RELOC_NUMBER (R_PPC_PLT16_HA, 31)
- RELOC_NUMBER (R_PPC_SDAREL16, 32)
- RELOC_NUMBER (R_PPC_SECTOFF, 33)
- RELOC_NUMBER (R_PPC_SECTOFF_LO, 34)
- RELOC_NUMBER (R_PPC_SECTOFF_HI, 35)
- RELOC_NUMBER (R_PPC_SECTOFF_HA, 36)
+ RELOC_NUMBER (R_PPC_NONE, 0)
+ RELOC_NUMBER (R_PPC_ADDR32, 1)
+ RELOC_NUMBER (R_PPC_ADDR24, 2)
+ RELOC_NUMBER (R_PPC_ADDR16, 3)
+ RELOC_NUMBER (R_PPC_ADDR16_LO, 4)
+ RELOC_NUMBER (R_PPC_ADDR16_HI, 5)
+ RELOC_NUMBER (R_PPC_ADDR16_HA, 6)
+ RELOC_NUMBER (R_PPC_ADDR14, 7)
+ RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8)
+ RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9)
+ RELOC_NUMBER (R_PPC_REL24, 10)
+ RELOC_NUMBER (R_PPC_REL14, 11)
+ RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12)
+ RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13)
+ RELOC_NUMBER (R_PPC_GOT16, 14)
+ RELOC_NUMBER (R_PPC_GOT16_LO, 15)
+ RELOC_NUMBER (R_PPC_GOT16_HI, 16)
+ RELOC_NUMBER (R_PPC_GOT16_HA, 17)
+ RELOC_NUMBER (R_PPC_PLTREL24, 18)
+ RELOC_NUMBER (R_PPC_COPY, 19)
+ RELOC_NUMBER (R_PPC_GLOB_DAT, 20)
+ RELOC_NUMBER (R_PPC_JMP_SLOT, 21)
+ RELOC_NUMBER (R_PPC_RELATIVE, 22)
+ RELOC_NUMBER (R_PPC_LOCAL24PC, 23)
+ RELOC_NUMBER (R_PPC_UADDR32, 24)
+ RELOC_NUMBER (R_PPC_UADDR16, 25)
+ RELOC_NUMBER (R_PPC_REL32, 26)
+ RELOC_NUMBER (R_PPC_PLT32, 27)
+ RELOC_NUMBER (R_PPC_PLTREL32, 28)
+ RELOC_NUMBER (R_PPC_PLT16_LO, 29)
+ RELOC_NUMBER (R_PPC_PLT16_HI, 30)
+ RELOC_NUMBER (R_PPC_PLT16_HA, 31)
+ RELOC_NUMBER (R_PPC_SDAREL16, 32)
+ RELOC_NUMBER (R_PPC_SECTOFF, 33)
+ RELOC_NUMBER (R_PPC_SECTOFF_LO, 34)
+ RELOC_NUMBER (R_PPC_SECTOFF_HI, 35)
+ RELOC_NUMBER (R_PPC_SECTOFF_HA, 36)
+ RELOC_NUMBER (R_PPC_ADDR30, 37)
+
+#ifndef RELOC_MACROS_GEN_FUNC
+/* Relocations only used internally by 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_PPC_RELAX, 48)
+ RELOC_NUMBER (R_PPC_RELAX_PLT, 49)
+ RELOC_NUMBER (R_PPC_RELAX_PLTREL24, 50)
+/* Reloc only used internally by gas. As above, value is unimportant. */
+ RELOC_NUMBER (R_PPC_16DX_HA, 51)
+#endif
+
+ /* Relocs added to support TLS. */
+ RELOC_NUMBER (R_PPC_TLS, 67)
+ RELOC_NUMBER (R_PPC_DTPMOD32, 68)
+ RELOC_NUMBER (R_PPC_TPREL16, 69)
+ RELOC_NUMBER (R_PPC_TPREL16_LO, 70)
+ RELOC_NUMBER (R_PPC_TPREL16_HI, 71)
+ RELOC_NUMBER (R_PPC_TPREL16_HA, 72)
+ RELOC_NUMBER (R_PPC_TPREL32, 73)
+ RELOC_NUMBER (R_PPC_DTPREL16, 74)
+ RELOC_NUMBER (R_PPC_DTPREL16_LO, 75)
+ RELOC_NUMBER (R_PPC_DTPREL16_HI, 76)
+ RELOC_NUMBER (R_PPC_DTPREL16_HA, 77)
+ RELOC_NUMBER (R_PPC_DTPREL32, 78)
+ RELOC_NUMBER (R_PPC_GOT_TLSGD16, 79)
+ RELOC_NUMBER (R_PPC_GOT_TLSGD16_LO, 80)
+ RELOC_NUMBER (R_PPC_GOT_TLSGD16_HI, 81)
+ RELOC_NUMBER (R_PPC_GOT_TLSGD16_HA, 82)
+ RELOC_NUMBER (R_PPC_GOT_TLSLD16, 83)
+ RELOC_NUMBER (R_PPC_GOT_TLSLD16_LO, 84)
+ RELOC_NUMBER (R_PPC_GOT_TLSLD16_HI, 85)
+ RELOC_NUMBER (R_PPC_GOT_TLSLD16_HA, 86)
+ RELOC_NUMBER (R_PPC_GOT_TPREL16, 87)
+ RELOC_NUMBER (R_PPC_GOT_TPREL16_LO, 88)
+ RELOC_NUMBER (R_PPC_GOT_TPREL16_HI, 89)
+ RELOC_NUMBER (R_PPC_GOT_TPREL16_HA, 90)
+ RELOC_NUMBER (R_PPC_GOT_DTPREL16, 91)
+ RELOC_NUMBER (R_PPC_GOT_DTPREL16_LO, 92)
+ RELOC_NUMBER (R_PPC_GOT_DTPREL16_HI, 93)
+ RELOC_NUMBER (R_PPC_GOT_DTPREL16_HA, 94)
+ RELOC_NUMBER (R_PPC_TLSGD, 95)
+ RELOC_NUMBER (R_PPC_TLSLD, 96)
/* The remaining relocs are from the Embedded ELF ABI, and are not
in the SVR4 ELF ABI. */
- RELOC_NUMBER (R_PPC_EMB_NADDR32, 101)
- RELOC_NUMBER (R_PPC_EMB_NADDR16, 102)
- RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103)
- RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104)
- RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105)
- RELOC_NUMBER (R_PPC_EMB_SDAI16, 106)
- RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107)
- RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108)
- RELOC_NUMBER (R_PPC_EMB_SDA21, 109)
- RELOC_NUMBER (R_PPC_EMB_MRKREF, 110)
- RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111)
- RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112)
- RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113)
- RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114)
- RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
- RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
-
- /* These are GNU extensions to enable C++ vtable garbage collection. */
- RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
- RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)
+ RELOC_NUMBER (R_PPC_EMB_NADDR32, 101)
+ RELOC_NUMBER (R_PPC_EMB_NADDR16, 102)
+ RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103)
+ RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104)
+ RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105)
+ RELOC_NUMBER (R_PPC_EMB_SDAI16, 106)
+ RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107)
+ RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108)
+ RELOC_NUMBER (R_PPC_EMB_SDA21, 109)
+ RELOC_NUMBER (R_PPC_EMB_MRKREF, 110)
+ RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111)
+ RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112)
+ RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113)
+ RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114)
+ RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
+ RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
+
+/* Marker reloc for inline plt call insns. */
+ RELOC_NUMBER (R_PPC_PLTSEQ, 119)
+ RELOC_NUMBER (R_PPC_PLTCALL, 120)
+
+/* PowerPC VLE relocations. */
+ RELOC_NUMBER (R_PPC_VLE_REL8, 216)
+ RELOC_NUMBER (R_PPC_VLE_REL15, 217)
+ RELOC_NUMBER (R_PPC_VLE_REL24, 218)
+ RELOC_NUMBER (R_PPC_VLE_LO16A, 219)
+ RELOC_NUMBER (R_PPC_VLE_LO16D, 220)
+ RELOC_NUMBER (R_PPC_VLE_HI16A, 221)
+ RELOC_NUMBER (R_PPC_VLE_HI16D, 222)
+ RELOC_NUMBER (R_PPC_VLE_HA16A, 223)
+ RELOC_NUMBER (R_PPC_VLE_HA16D, 224)
+ RELOC_NUMBER (R_PPC_VLE_SDA21, 225)
+ RELOC_NUMBER (R_PPC_VLE_SDA21_LO, 226)
+ RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16A, 227)
+ RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16D, 228)
+ RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16A, 229)
+ RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16D, 230)
+ RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16A, 231)
+ RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16D, 232)
+ RELOC_NUMBER (R_PPC_VLE_ADDR20, 233)
+
+/* Power9 split rel16 for addpcis. */
+ RELOC_NUMBER (R_PPC_REL16DX_HA, 246)
+
+/* Support STT_GNU_IFUNC plt calls. */
+ RELOC_NUMBER (R_PPC_IRELATIVE, 248)
+
+/* These are GNU extensions used in PIC code sequences. */
+ RELOC_NUMBER (R_PPC_REL16, 249)
+ RELOC_NUMBER (R_PPC_REL16_LO, 250)
+ RELOC_NUMBER (R_PPC_REL16_HI, 251)
+ RELOC_NUMBER (R_PPC_REL16_HA, 252)
+
+/* These are GNU extensions to enable C++ vtable garbage collection. */
+ RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
+ RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)
/* This is a phony reloc to handle any old fashioned TOC16 references
that may still be in object files. */
- RELOC_NUMBER (R_PPC_TOC16, 255)
+ RELOC_NUMBER (R_PPC_TOC16, 255)
- EMPTY_RELOC (R_PPC_max)
-END_RELOC_NUMBERS
+END_RELOC_NUMBERS (R_PPC_max)
+#define IS_PPC_TLS_RELOC(R) \
+ ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
+
+/* Specify the value of _GLOBAL_OFFSET_TABLE_. */
+#define DT_PPC_GOT (DT_LOPROC)
+
+/* Specify that tls descriptors should be optimized. */
+#define DT_PPC_OPT (DT_LOPROC + 1)
+#define PPC_OPT_TLS 1
/* Processor specific flags for the ELF header e_flags field. */
-#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
+#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */
+
+#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
+#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
+
+/* Processor specific program headers, p_flags field. */
+#define PF_PPC_VLE 0x10000000 /* PowerPC VLE. */
- /* CYGNUS local bits below */
-#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag */
-#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag */
+/* Processor specific section headers, sh_flags field. */
+#define SHF_PPC_VLE 0x10000000 /* PowerPC VLE text section. */
-/* Processor specific section headers, sh_type field */
+/* Processor specific section headers, sh_type field. */
#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
entries in this section \
specified in the associated \
symbol table entry. */
-/* Processor specific section flags, sh_flags field */
+/* APUinfo note section. */
+#define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
+#define APUINFO_LABEL "APUinfo"
+
+#define PPC_APUINFO_ISEL 0x40
+#define PPC_APUINFO_PMR 0x41
+#define PPC_APUINFO_RFMCI 0x42
+#define PPC_APUINFO_CACHELCK 0x43
+#define PPC_APUINFO_SPE 0x100
+#define PPC_APUINFO_EFS 0x101
+#define PPC_APUINFO_BRLOCK 0x102
+#define PPC_APUINFO_VLE 0x104
+
+/* Object attribute tags. */
+enum
+{
+ /* 0-3 are generic. */
+
+ /* FP ABI, low 2 bits:
+ 1 for double precision hard-float,
+ 2 for soft-float,
+ 3 for single precision hard-float.
+ 0 for not tagged or not using any ABIs affected by the differences.
+ Next 2 bits:
+ 1 for ibm long double
+ 2 for 64-bit long double
+ 3 for IEEE long double.
+ 0 for not tagged or not using any ABIs affected by the differences. */
+ Tag_GNU_Power_ABI_FP = 4,
+
+ /* Value 1 for general purpose registers only, 2 for AltiVec
+ registers, 3 for SPE registers; 0 for not tagged or not using any
+ ABIs affected by the differences. */
+ Tag_GNU_Power_ABI_Vector = 8,
+
+ /* Value 1 for ABIs using r3/r4 for returning structures <= 8 bytes,
+ 2 for ABIs using memory; 0 for not tagged or not using any ABIs
+ affected by the differences. */
+ Tag_GNU_Power_ABI_Struct_Return = 12
+};
-#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
- this section from executable \
- and shared objects that it \
- builds when those objects \
- are not to be furhter \
- relocated. */
#endif /* _ELF_PPC_H */
projects / thirdparty / binutils-gdb.git / blobdiff