/* RISC-V-specific support for ELF.
- Copyright (C) 2011-2022 Free Software Foundation, Inc.
+ Copyright (C) 2011-2023 Free Software Foundation, Inc.
Contributed by Andrew Waterman (andrew@sifive.com).
Based on TILE-Gx and MIPS targets.
relocations for the debug info. */
static bfd_reloc_status_type riscv_elf_add_sub_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type riscv_elf_ignore_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
/* The relocation table used for SHT_RELA sections. */
0, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
+
+ /* Reserved for R_RISCV_PLT32. */
+ EMPTY_HOWTO (59),
+
+ /* N-bit in-place setting, for unsigned-leb128 local label subtraction. */
+ HOWTO (R_RISCV_SET_ULEB128, /* type */
+ 0, /* rightshift */
+ 0, /* size */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ riscv_elf_ignore_reloc, /* special_function */
+ "R_RISCV_SET_ULEB128", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* N-bit in-place addition, for unsigned-leb128 local label subtraction. */
+ HOWTO (R_RISCV_SUB_ULEB128, /* type */
+ 0, /* rightshift */
+ 0, /* size */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ riscv_elf_ignore_reloc, /* special_function */
+ "R_RISCV_SUB_ULEB128", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
};
/* A mapping from BFD reloc types to RISC-V ELF reloc types. */
{ BFD_RELOC_RISCV_SET16, R_RISCV_SET16 },
{ BFD_RELOC_RISCV_SET32, R_RISCV_SET32 },
{ BFD_RELOC_RISCV_32_PCREL, R_RISCV_32_PCREL },
+ { BFD_RELOC_RISCV_SET_ULEB128, R_RISCV_SET_ULEB128 },
+ { BFD_RELOC_RISCV_SUB_ULEB128, R_RISCV_SUB_ULEB128 },
};
/* Given a BFD reloc type, return a howto structure. */
return bfd_reloc_ok;
}
+/* Special handler for relocations which don't have to be relocated.
+ This function just simply return bfd_reloc_ok. */
+
+static bfd_reloc_status_type
+riscv_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ void *data ATTRIBUTE_UNUSED,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
+{
+ if (output_bfd != NULL)
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+}
+
/* Always add the IMPLICIT for the SUBSET. */
static bool
{"zvl256b", "zvl128b", check_implicit_always},
{"zvl128b", "zvl64b", check_implicit_always},
{"zvl64b", "zvl32b", check_implicit_always},
+ {"zfa", "f", check_implicit_always},
{"d", "f", check_implicit_always},
{"zfh", "zfhmin", check_implicit_always},
{"zfhmin", "f", check_implicit_always},
{"zks", "zbkx", check_implicit_always},
{"zks", "zksed", check_implicit_always},
{"zks", "zksh", check_implicit_always},
+ {"zvkn", "zvkned", check_implicit_always},
+ {"zvkn", "zvknha", check_implicit_always},
+ {"zvkn", "zvknhb", check_implicit_always},
+ {"zvkn", "zvbb", check_implicit_always},
+ {"zvkn", "zvkt", check_implicit_always},
+ {"zvkng", "zvkn", check_implicit_always},
+ {"zvkng", "zvkg", check_implicit_always},
+ {"zvknc", "zvkn", check_implicit_always},
+ {"zvknc", "zvbc", check_implicit_always},
+ {"zvks", "zvksed", check_implicit_always},
+ {"zvks", "zvksh", check_implicit_always},
+ {"zvks", "zvbb", check_implicit_always},
+ {"zvks", "zvkt", check_implicit_always},
+ {"zvksg", "zvks", check_implicit_always},
+ {"zvksg", "zvkg", check_implicit_always},
+ {"zvksc", "zvks", check_implicit_always},
+ {"zvksc", "zvbc", check_implicit_always},
{"smaia", "ssaia", check_implicit_always},
{"smstateen", "ssstateen", check_implicit_always},
{"smepmp", "zicsr", check_implicit_always},
{"zicbom", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zicbop", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zicboz", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zicond", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zicsr", ISA_SPEC_CLASS_20191213, 2, 0, 0 },
{"zicsr", ISA_SPEC_CLASS_20190608, 2, 0, 0 },
{"zifencei", ISA_SPEC_CLASS_20191213, 2, 0, 0 },
{"zihintpause", ISA_SPEC_CLASS_DRAFT, 2, 0, 0 },
{"zmmul", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zawrs", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zfa", ISA_SPEC_CLASS_DRAFT, 0, 1, 0 },
{"zfh", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zfhmin", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zfinx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zve64x", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zve64f", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zve64d", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvbb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvbc", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvkg", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvkn", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvkng", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvknc", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvkned", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvknha", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvknhb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvksed", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvksh", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvks", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvksg", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvksc", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zvkt", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvl32b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvl64b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zvl128b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadmemidx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadmempair", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"xtheadsync", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ /* XVentanaCondOps: https://github.com/ventanamicro/ventana-custom-extensions/releases/download/v1.0.0/ventana-custom-extensions-v1.0.0.pdf */
+ {"xventanacondops", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{NULL, 0, 0, 0, 0}
};
riscv_parse_add_implicit_subsets (riscv_parse_subset_t *rps)
{
struct riscv_implicit_subset *t = riscv_implicit_subsets;
- for (; t->subset_name; t++)
+ bool finished = false;
+ while (!finished)
{
- riscv_subset_t *subset = NULL;
- if (riscv_lookup_subset (rps->subset_list, t->subset_name, &subset)
- && t->check_func (t->implicit_name, subset))
- riscv_parse_add_subset (rps, t->implicit_name,
- RISCV_UNKNOWN_VERSION,
- RISCV_UNKNOWN_VERSION, true);
+ finished = true;
+ for (; t->subset_name; t++)
+ {
+ riscv_subset_t *subset = NULL;
+ riscv_subset_t *implicit_subset = NULL;
+ if (riscv_lookup_subset (rps->subset_list, t->subset_name, &subset)
+ && !riscv_lookup_subset (rps->subset_list, t->implicit_name,
+ &implicit_subset)
+ && t->check_func (t->implicit_name, subset))
+ {
+ riscv_parse_add_subset (rps, t->implicit_name,
+ RISCV_UNKNOWN_VERSION,
+ RISCV_UNKNOWN_VERSION, true);
+
+ /* Restart the loop and pick up any new implications. */
+ finished = false;
+ t = riscv_implicit_subsets;
+ break;
+ }
+ }
}
}
return riscv_subset_supports (rps, "zicbop");
case INSN_CLASS_ZICBOZ:
return riscv_subset_supports (rps, "zicboz");
+ case INSN_CLASS_ZICOND:
+ return riscv_subset_supports (rps, "zicond");
case INSN_CLASS_ZICSR:
return riscv_subset_supports (rps, "zicsr");
case INSN_CLASS_ZIFENCEI:
&& riscv_subset_supports (rps, "q"))
|| (riscv_subset_supports (rps, "zhinxmin")
&& riscv_subset_supports (rps, "zqinx")));
+ case INSN_CLASS_ZFA:
+ return riscv_subset_supports (rps, "zfa");
+ case INSN_CLASS_D_AND_ZFA:
+ return riscv_subset_supports (rps, "d")
+ && riscv_subset_supports (rps, "zfa");
+ case INSN_CLASS_Q_AND_ZFA:
+ return riscv_subset_supports (rps, "q")
+ && riscv_subset_supports (rps, "zfa");
+ case INSN_CLASS_ZFH_AND_ZFA:
+ return riscv_subset_supports (rps, "zfh")
+ && riscv_subset_supports (rps, "zfa");
case INSN_CLASS_ZBA:
return riscv_subset_supports (rps, "zba");
case INSN_CLASS_ZBB:
|| riscv_subset_supports (rps, "zve64d")
|| riscv_subset_supports (rps, "zve64f")
|| riscv_subset_supports (rps, "zve32f"));
+ case INSN_CLASS_ZVBB:
+ return riscv_subset_supports (rps, "zvbb");
+ case INSN_CLASS_ZVBC:
+ return riscv_subset_supports (rps, "zvbc");
+ case INSN_CLASS_ZVKG:
+ return riscv_subset_supports (rps, "zvkg");
+ case INSN_CLASS_ZVKNED:
+ return riscv_subset_supports (rps, "zvkned");
+ case INSN_CLASS_ZVKNHA:
+ return riscv_subset_supports (rps, "zvknha");
+ case INSN_CLASS_ZVKNHB:
+ return riscv_subset_supports (rps, "zvknhb");
+ case INSN_CLASS_ZVKNHA_OR_ZVKNHB:
+ return (riscv_subset_supports (rps, "zvknha")
+ || riscv_subset_supports (rps, "zvknhb"));
+ case INSN_CLASS_ZVKSED:
+ return riscv_subset_supports (rps, "zvksed");
+ case INSN_CLASS_ZVKSH:
+ return riscv_subset_supports (rps, "zvksh");
case INSN_CLASS_SVINVAL:
return riscv_subset_supports (rps, "svinval");
case INSN_CLASS_H:
return riscv_subset_supports (rps, "xtheadmempair");
case INSN_CLASS_XTHEADSYNC:
return riscv_subset_supports (rps, "xtheadsync");
+ case INSN_CLASS_XVENTANACONDOPS:
+ return riscv_subset_supports (rps, "xventanacondops");
default:
rps->error_handler
(_("internal: unreachable INSN_CLASS_*"));
return "zicbop";
case INSN_CLASS_ZICBOZ:
return "zicboz";
+ case INSN_CLASS_ZICOND:
+ return "zicond";
case INSN_CLASS_ZICSR:
return "zicsr";
case INSN_CLASS_ZIFENCEI:
return "zhinxmin";
else
return _("zfhmin' and `q', or `zhinxmin' and `zqinx");
+ case INSN_CLASS_ZFA:
+ return "zfa";
+ case INSN_CLASS_D_AND_ZFA:
+ if (!riscv_subset_supports (rps, "d")
+ && !riscv_subset_supports (rps, "zfa"))
+ return _("d' and `zfa");
+ else if (!riscv_subset_supports (rps, "d"))
+ return "d";
+ else
+ return "zfa";
+ case INSN_CLASS_Q_AND_ZFA:
+ if (!riscv_subset_supports (rps, "q")
+ && !riscv_subset_supports (rps, "zfa"))
+ return _("q' and `zfa");
+ else if (!riscv_subset_supports (rps, "q"))
+ return "q";
+ else
+ return "zfa";
+ case INSN_CLASS_ZFH_AND_ZFA:
+ if (!riscv_subset_supports (rps, "zfh")
+ && !riscv_subset_supports (rps, "zfa"))
+ return _("zfh' and `zfa");
+ else if (!riscv_subset_supports (rps, "zfh"))
+ return "zfh";
+ else
+ return "zfa";
case INSN_CLASS_ZBA:
return "zba";
case INSN_CLASS_ZBB:
return _("v' or `zve64x' or `zve32x");
case INSN_CLASS_ZVEF:
return _("v' or `zve64d' or `zve64f' or `zve32f");
+ case INSN_CLASS_ZVBB:
+ return _("zvbb");
+ case INSN_CLASS_ZVBC:
+ return _("zvbc");
+ case INSN_CLASS_ZVKG:
+ return _("zvkg");
+ case INSN_CLASS_ZVKNED:
+ return _("zvkned");
+ case INSN_CLASS_ZVKNHA:
+ return _("zvknha");
+ case INSN_CLASS_ZVKNHB:
+ return _("zvknhb");
+ case INSN_CLASS_ZVKSED:
+ return _("zvksed");
+ case INSN_CLASS_ZVKSH:
+ return _("zvksh");
case INSN_CLASS_SVINVAL:
return "svinval";
case INSN_CLASS_H:
projects / thirdparty / binutils-gdb.git / blobdiff