/* PPC ELF support for BFD.
- Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2005, 2007, 2008,
- 2009 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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. */
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_EMB_BIT_FLD, 115)
RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
-/* Fake relocations for branch stubs, only used internally by ld. */
-#define R_PPC_RELAX32 245
-#define R_PPC_RELAX32PC 246
-#define R_PPC_RELAX32_PLT 247
-#define R_PPC_RELAX32PC_PLT 248
+/* 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)
((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
/* Specify the value of _GLOBAL_OFFSET_TABLE_. */
-#define DT_PPC_GOT DT_LOPROC
+#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_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. */
+
+/* Processor specific section headers, sh_flags field. */
+#define SHF_PPC_VLE 0x10000000 /* PowerPC VLE text section. */
+
/* Processor specific section headers, sh_type field. */
#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
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 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. */
+#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. */
- Tag_GNU_Power_ABI_FP = 4, /* Value 1 for 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. */
+
+ /* 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
projects / thirdparty / binutils-gdb.git / blobdiff