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elfutils/add-sw_64-support.patch

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add sw_64 support (cherry picked from commit c6b1e574d3a6cbc3f8d1979cbb88870c7748746e)
2025-03-12 16:02:41 +08:00
From 84ec4d1a158880f4112afb6811dc51e2137e2c39 Mon Sep 17 00:00:00 2001
From: Hailiang <mahailiang@uniontech.com>
Date: Wed, 12 Mar 2025 15:56:55 +0800
Subject: [PATCH] add sw_64 support
---
backends/Makefile.am | 7 +-
backends/Makefile.in | 35 +++++-
backends/sw_64_auxv.c | 49 ++++++++
backends/sw_64_corenote.c | 70 +++++++++++
backends/sw_64_init.c | 63 ++++++++++
backends/sw_64_regs.c | 164 ++++++++++++++++++++++++++
backends/sw_64_reloc.def | 63 ++++++++++
backends/sw_64_retval.c | 150 +++++++++++++++++++++++
backends/sw_64_symbol.c | 156 ++++++++++++++++++++++++
config/config.guess | 46 ++++++++
config/config.sub | 1 +
configure | 4 +-
libdwelf/dwelf_elf_e_machine_string.c | 3 +
libebl/eblopenbackend.c | 2 +
libelf/elf-knowledge.h | 2 +-
libelf/elf.h | 73 ++++++++++++
m4/host-cpu-c-abi.m4 | 13 +-
src/Makefile.in | 2 +-
src/elflint.c | 2 +-
src/findtextrel.c | 2 +-
tests/saridx.c | 1 +
21 files changed, 894 insertions(+), 14 deletions(-)
create mode 100644 backends/sw_64_auxv.c
create mode 100644 backends/sw_64_corenote.c
create mode 100644 backends/sw_64_init.c
create mode 100644 backends/sw_64_regs.c
create mode 100644 backends/sw_64_reloc.def
create mode 100644 backends/sw_64_retval.c
create mode 100644 backends/sw_64_symbol.c
diff --git a/backends/Makefile.am b/backends/Makefile.am
index bbb2aac..e8b054a 100644
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -36,7 +36,7 @@ AM_CPPFLAGS += -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \
noinst_LIBRARIES = libebl_backends.a libebl_backends_pic.a
-modules = i386 sh x86_64 ia64 alpha arm aarch64 sparc ppc ppc64 s390 \
+modules = i386 sh x86_64 ia64 sw_64 alpha arm aarch64 sparc ppc ppc64 s390 \
m68k bpf riscv csky loongarch arc
i386_SRCS = i386_init.c i386_symbol.c i386_corenote.c i386_cfi.c \
@@ -55,6 +55,9 @@ ia64_SRCS = ia64_init.c ia64_symbol.c ia64_regs.c ia64_retval.c
alpha_SRCS = alpha_init.c alpha_symbol.c alpha_retval.c alpha_regs.c \
alpha_corenote.c alpha_auxv.c
+sw_64_SRCS = sw_64_init.c sw_64_symbol.c sw_64_retval.c sw_64_regs.c \
+ sw_64_corenote.c sw_64_auxv.c
+
arm_SRCS = arm_init.c arm_symbol.c arm_regs.c arm_corenote.c \
arm_auxv.c arm_attrs.c arm_retval.c arm_cfi.c arm_initreg.c \
arm_machineflagname.c
@@ -103,7 +106,7 @@ loongarch_SRCS = loongarch_init.c loongarch_symbol.c loongarch_cfi.c \
arc_SRCS = arc_init.c arc_symbol.c
libebl_backends_a_SOURCES = $(i386_SRCS) $(sh_SRCS) $(x86_64_SRCS) \
- $(ia64_SRCS) $(alpha_SRCS) $(arm_SRCS) \
+ $(ia64_SRCS) $(sw_64_SRCS) $(alpha_SRCS) $(arm_SRCS) \
$(aarch64_SRCS) $(sparc_SRCS) $(ppc_SRCS) \
$(ppc64_SRCS) $(s390_SRCS) \
$(m68k_SRCS) $(bpf_SRCS) $(riscv_SRCS) $(csky_SRCS) \
diff --git a/backends/Makefile.in b/backends/Makefile.in
index a7d0889..8081843 100644
--- a/backends/Makefile.in
+++ b/backends/Makefile.in
@@ -175,12 +175,15 @@ am__objects_16 = loongarch_init.$(OBJEXT) loongarch_symbol.$(OBJEXT) \
loongarch_retval.$(OBJEXT) loongarch_initreg.$(OBJEXT) \
loongarch_unwind.$(OBJEXT) loongarch_corenote.$(OBJEXT)
am__objects_17 = arc_init.$(OBJEXT) arc_symbol.$(OBJEXT)
+am__objects_18 = sw_64_init.$(OBJEXT) sw_64_symbol.$(OBJEXT) \
+ sw_64_retval.$(OBJEXT) sw_64_regs.$(OBJEXT) \
+ sw_64_corenote.$(OBJEXT) sw_64_auxv.$(OBJEXT)
am_libebl_backends_a_OBJECTS = $(am__objects_1) $(am__objects_2) \
$(am__objects_3) $(am__objects_4) $(am__objects_5) \
$(am__objects_6) $(am__objects_7) $(am__objects_8) \
$(am__objects_9) $(am__objects_10) $(am__objects_11) \
$(am__objects_12) $(am__objects_13) $(am__objects_14) \
- $(am__objects_15) $(am__objects_16) $(am__objects_17)
+ $(am__objects_15) $(am__objects_16) $(am__objects_17) $(am__objects_18)
libebl_backends_a_OBJECTS = $(am_libebl_backends_a_OBJECTS)
libebl_backends_pic_a_AR = $(AR) $(ARFLAGS)
libebl_backends_pic_a_LIBADD =
@@ -207,7 +210,10 @@ am__depfiles_remade = ./$(DEPDIR)/aarch64_cfi.Po \
./$(DEPDIR)/aarch64_unwind.Po ./$(DEPDIR)/alpha_auxv.Po \
./$(DEPDIR)/alpha_corenote.Po ./$(DEPDIR)/alpha_init.Po \
./$(DEPDIR)/alpha_regs.Po ./$(DEPDIR)/alpha_retval.Po \
- ./$(DEPDIR)/alpha_symbol.Po ./$(DEPDIR)/arc_init.Po \
+ ./$(DEPDIR)/alpha_symbol.Po ./$(DEPDIR)/sw_64_auxv.Po \
+ ./$(DEPDIR)/sw_64_corenote.Po ./$(DEPDIR)/sw_64_init.Po \
+ ./$(DEPDIR)/sw_64_regs.Po ./$(DEPDIR)/sw_64_retval.Po \
+ ./$(DEPDIR)/sw_64_symbol.Po ./$(DEPDIR)/arc_init.Po \
./$(DEPDIR)/arc_symbol.Po ./$(DEPDIR)/arm_attrs.Po \
./$(DEPDIR)/arm_auxv.Po ./$(DEPDIR)/arm_cfi.Po \
./$(DEPDIR)/arm_corenote.Po ./$(DEPDIR)/arm_init.Po \
@@ -537,7 +543,7 @@ textrel_msg = echo "WARNING: TEXTREL found in '$@'"
@FATAL_TEXTREL_TRUE@textrel_found = $(textrel_msg); exit 1
textrel_check = if $(READELF) -d $@ | grep -F -q TEXTREL; then $(textrel_found); fi
noinst_LIBRARIES = libebl_backends.a libebl_backends_pic.a
-modules = i386 sh x86_64 ia64 alpha arm aarch64 sparc ppc ppc64 s390 \
+modules = i386 sh x86_64 ia64 sw_64 alpha arm aarch64 sparc ppc ppc64 s390 \
m68k bpf riscv csky loongarch arc
i386_SRCS = i386_init.c i386_symbol.c i386_corenote.c i386_cfi.c \
@@ -553,6 +559,9 @@ ia64_SRCS = ia64_init.c ia64_symbol.c ia64_regs.c ia64_retval.c
alpha_SRCS = alpha_init.c alpha_symbol.c alpha_retval.c alpha_regs.c \
alpha_corenote.c alpha_auxv.c
+sw_64_SRCS = sw_64_init.c sw_64_symbol.c sw_64_retval.c sw_64_regs.c \
+ sw_64_corenote.c sw_64_auxv.c
+
arm_SRCS = arm_init.c arm_symbol.c arm_regs.c arm_corenote.c \
arm_auxv.c arm_attrs.c arm_retval.c arm_cfi.c arm_initreg.c \
arm_machineflagname.c
@@ -599,7 +608,7 @@ loongarch_SRCS = loongarch_init.c loongarch_symbol.c loongarch_cfi.c \
arc_SRCS = arc_init.c arc_symbol.c
libebl_backends_a_SOURCES = $(i386_SRCS) $(sh_SRCS) $(x86_64_SRCS) \
- $(ia64_SRCS) $(alpha_SRCS) $(arm_SRCS) \
+ $(ia64_SRCS) $(sw_64_SRCS) $(alpha_SRCS) $(arm_SRCS) \
$(aarch64_SRCS) $(sparc_SRCS) $(ppc_SRCS) \
$(ppc64_SRCS) $(s390_SRCS) \
$(m68k_SRCS) $(bpf_SRCS) $(riscv_SRCS) $(csky_SRCS) \
@@ -678,6 +687,12 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alpha_regs.Po@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alpha_retval.Po@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alpha_symbol.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sw_64_auxv.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sw_64_corenote.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sw_64_init.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sw_64_regs.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sw_64_retval.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sw_64_symbol.Po@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arc_init.Po@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arc_symbol.Po@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/arm_attrs.Po@am__quote@ # am--include-marker
@@ -944,6 +959,12 @@ distclean: distclean-am
-rm -f ./$(DEPDIR)/alpha_regs.Po
-rm -f ./$(DEPDIR)/alpha_retval.Po
-rm -f ./$(DEPDIR)/alpha_symbol.Po
+ -rm -f ./$(DEPDIR)/sw_64_auxv.Po
+ -rm -f ./$(DEPDIR)/sw_64_corenote.Po
+ -rm -f ./$(DEPDIR)/sw_64_init.Po
+ -rm -f ./$(DEPDIR)/sw_64_regs.Po
+ -rm -f ./$(DEPDIR)/sw_64_retval.Po
+ -rm -f ./$(DEPDIR)/sw_64_symbol.Po
-rm -f ./$(DEPDIR)/arc_init.Po
-rm -f ./$(DEPDIR)/arc_symbol.Po
-rm -f ./$(DEPDIR)/arm_attrs.Po
@@ -1109,6 +1130,12 @@ maintainer-clean: maintainer-clean-am
-rm -f ./$(DEPDIR)/alpha_regs.Po
-rm -f ./$(DEPDIR)/alpha_retval.Po
-rm -f ./$(DEPDIR)/alpha_symbol.Po
+ -rm -f ./$(DEPDIR)/sw_64_auxv.Po
+ -rm -f ./$(DEPDIR)/sw_64_corenote.Po
+ -rm -f ./$(DEPDIR)/sw_64_init.Po
+ -rm -f ./$(DEPDIR)/sw_64_regs.Po
+ -rm -f ./$(DEPDIR)/sw_64_retval.Po
+ -rm -f ./$(DEPDIR)/sw_64_symbol.Po
-rm -f ./$(DEPDIR)/arc_init.Po
-rm -f ./$(DEPDIR)/arc_symbol.Po
-rm -f ./$(DEPDIR)/arm_attrs.Po
diff --git a/backends/sw_64_auxv.c b/backends/sw_64_auxv.c
new file mode 100644
index 0000000..b2ce630
--- /dev/null
+++ b/backends/sw_64_auxv.c
@@ -0,0 +1,49 @@
+/* Alpha-specific auxv handling.
+ Copyright (C) 2008 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#define BACKEND sw_64_
+#include "libebl_CPU.h"
+
+int
+EBLHOOK(auxv_info) (GElf_Xword a_type, const char **name, const char **format)
+{
+ if (a_type != AT_HWCAP)
+ return 0;
+
+ *name = "HWCAP";
+ *format = "b"
+ "bwx\0" "fix\0" "cix\0" "0x08\0"
+ "0x10\0" "0x20\0" "0x40\0" "0x80\0"
+ "max\0" "precise_trap\0"
+ "\0";
+ return 1;
+}
diff --git a/backends/sw_64_corenote.c b/backends/sw_64_corenote.c
new file mode 100644
index 0000000..bfd9f03
--- /dev/null
+++ b/backends/sw_64_corenote.c
@@ -0,0 +1,70 @@
+/* PowerPC specific core note handling.
+ Copyright (C) 2007 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <inttypes.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/time.h>
+
+#define BACKEND sw_64_
+#include "libebl_CPU.h"
+
+static const Ebl_Register_Location prstatus_regs[] =
+ {
+ { .offset = 0, .regno = 0, .count = 31, .bits = 64 }, /* r0-r30 */
+ { .offset = 32 * 8, .regno = 64, .count = 1, .bits = 64 }, /* pc */
+ { .offset = 33 * 8, .regno = 66, .count = 1, .bits = 64 }, /* unique */
+ };
+#define PRSTATUS_REGS_SIZE (33 * 8)
+
+static const Ebl_Register_Location fpregset_regs[] =
+ {
+ { .offset = 0, .regno = 32, .count = 32, .bits = 64 }, /* f0-f30, fpcr */
+ };
+#define FPREGSET_SIZE (32 * 8)
+
+#define ULONG uint64_t
+#define ALIGN_ULONG 8
+#define TYPE_ULONG ELF_T_XWORD
+#define TYPE_LONG ELF_T_SXWORD
+#define PID_T int32_t
+#define UID_T uint32_t
+#define GID_T uint32_t
+#define ALIGN_PID_T 4
+#define ALIGN_UID_T 4
+#define ALIGN_GID_T 4
+#define TYPE_PID_T ELF_T_SWORD
+#define TYPE_UID_T ELF_T_WORD
+#define TYPE_GID_T ELF_T_WORD
+
+#include "linux-core-note.c"
diff --git a/backends/sw_64_init.c b/backends/sw_64_init.c
new file mode 100644
index 0000000..c0dfb07
--- /dev/null
+++ b/backends/sw_64_init.c
@@ -0,0 +1,63 @@
+/* Initialization of sw_64 specific backend library.
+ Copyright (C) 2002-2011 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#define BACKEND sw_64_
+#define RELOC_PREFIX R_SW_64_
+#include "libebl_CPU.h"
+
+/* This defines the common reloc hooks based on sw_64_reloc.def. */
+#include "common-reloc.c"
+
+
+Ebl *
+sw_64_init (Elf *elf __attribute__ ((unused)),
+ GElf_Half machine __attribute__ ((unused)),
+ Ebl *eh)
+{
+ /* We handle it. */
+ sw_64_init_reloc (eh);
+ HOOK (eh, dynamic_tag_name);
+ HOOK (eh, dynamic_tag_check);
+ HOOK (eh, reloc_simple_type);
+ HOOK (eh, return_value_location);
+ HOOK (eh, machine_section_flag_check);
+ HOOK (eh, check_special_section);
+ HOOK (eh, check_special_symbol);
+ HOOK (eh, check_st_other_bits);
+ HOOK (eh, register_info);
+ HOOK (eh, core_note);
+ HOOK (eh, auxv_info);
+ eh->sysvhash_entrysize = sizeof (Elf64_Xword);
+
+ return eh;
+}
diff --git a/backends/sw_64_regs.c b/backends/sw_64_regs.c
new file mode 100644
index 0000000..cba2447
--- /dev/null
+++ b/backends/sw_64_regs.c
@@ -0,0 +1,164 @@
+/* Register names and numbers for sw_64 DWARF.
+ Copyright (C) 2007 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include <dwarf.h>
+
+#define BACKEND sw_64_
+#include "libebl_CPU.h"
+
+ssize_t
+sw_64_register_info (Ebl *ebl __attribute__ ((unused)),
+ int regno, char *name, size_t namelen,
+ const char **prefix, const char **setname,
+ int *bits, int *type)
+{
+ if (name == NULL)
+ return 67;
+
+ if (regno < 0 || regno > 66 || namelen < 7)
+ return -1;
+
+ *prefix = "$";
+
+ *bits = 64;
+ *type = DW_ATE_signed;
+ *setname = "integer";
+ if (regno >= 32 && regno < 64)
+ {
+ *setname = "FPU";
+ *type = DW_ATE_float;
+ }
+
+ switch (regno)
+ {
+ case 0:
+ name[0] = 'v';
+ name[1] = '0';
+ namelen = 2;
+ break;
+
+ case 1 ... 8:
+ name[0] = 't';
+ name[1] = regno - 1 + '0';
+ namelen = 2;
+ break;
+
+ case 9 ... 15:
+ name[0] = 's';
+ name[1] = regno - 9 + '0';
+ namelen = 2;
+ break;
+
+ case 16 ... 21:
+ name[0] = 'a';
+ name[1] = regno - 16 + '0';
+ namelen = 2;
+ break;
+
+ case 22 ... 23:
+ name[0] = 't';
+ name[1] = regno - 22 + '8';
+ namelen = 2;
+ break;
+
+ case 24 ... 25:
+ name[0] = 't';
+ name[1] = '1';
+ name[2] = regno - 24 + '0';
+ namelen = 3;
+ break;
+
+ case 26:
+ *type = DW_ATE_address;
+ return stpcpy (name, "ra") + 1 - name;
+
+ case 27:
+ return stpcpy (name, "t12") + 1 - name;
+
+ case 28:
+ return stpcpy (name, "at") + 1 - name;
+
+ case 29:
+ *type = DW_ATE_address;
+ return stpcpy (name, "gp") + 1 - name;
+
+ case 30:
+ *type = DW_ATE_address;
+ return stpcpy (name, "sp") + 1 - name;
+
+ case 31:
+ return stpcpy (name, "zero") + 1 - name;
+
+ case 32 ... 32 + 9:
+ name[0] = 'f';
+ name[1] = regno - 32 + '0';
+ namelen = 2;
+ break;
+
+ case 32 + 10 ... 32 + 19:
+ name[0] = 'f';
+ name[1] = '1';
+ name[2] = regno - 32 - 10 + '0';
+ namelen = 3;
+ break;
+
+ case 32 + 20 ... 32 + 29:
+ name[0] = 'f';
+ name[1] = '2';
+ name[2] = regno - 32 - 20 + '0';
+ namelen = 3;
+ break;
+
+ case 32 + 30:
+ return stpcpy (name, "f30") + 1 - name;
+
+ case 32 + 31:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "fpcr") + 1 - name;
+
+ case 64:
+ *type = DW_ATE_address;
+ return stpcpy (name, "pc") + 1 - name;
+
+ case 66:
+ *type = DW_ATE_address;
+ return stpcpy (name, "unique") + 1 - name;
+
+ default:
+ *setname = NULL;
+ return 0;
+ }
+
+ name[namelen++] = '\0';
+ return namelen;
+}
diff --git a/backends/sw_64_reloc.def b/backends/sw_64_reloc.def
new file mode 100644
index 0000000..4ad7a9d
--- /dev/null
+++ b/backends/sw_64_reloc.def
@@ -0,0 +1,63 @@
+/* List the relocation types for sw_64. -*- C -*-
+ Copyright (C) 2005 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+/* NAME, REL|EXEC|DYN */
+
+RELOC_TYPE (NONE, 0)
+RELOC_TYPE (REFLONG, REL|EXEC|DYN)
+RELOC_TYPE (REFQUAD, REL|EXEC|DYN)
+RELOC_TYPE (GPREL32, REL)
+RELOC_TYPE (LITERAL, REL)
+RELOC_TYPE (LITUSE, REL)
+RELOC_TYPE (GPDISP, REL)
+RELOC_TYPE (BRADDR, REL)
+RELOC_TYPE (HINT, REL)
+RELOC_TYPE (SREL16, REL)
+RELOC_TYPE (SREL32, REL)
+RELOC_TYPE (SREL64, REL)
+RELOC_TYPE (GPRELHIGH, REL)
+RELOC_TYPE (GPRELLOW, REL)
+RELOC_TYPE (GPREL16, REL)
+RELOC_TYPE (COPY, 0)
+RELOC_TYPE (GLOB_DAT, EXEC|DYN)
+RELOC_TYPE (JMP_SLOT, EXEC|DYN)
+RELOC_TYPE (RELATIVE, EXEC|DYN)
+RELOC_TYPE (TLS_GD_HI, REL)
+RELOC_TYPE (TLSGD, REL)
+RELOC_TYPE (TLS_LDM, REL)
+RELOC_TYPE (DTPMOD64, REL|EXEC|DYN)
+RELOC_TYPE (GOTDTPREL, REL)
+RELOC_TYPE (DTPREL64, REL|EXEC|DYN)
+RELOC_TYPE (DTPRELHI, REL)
+RELOC_TYPE (DTPRELLO, REL)
+RELOC_TYPE (DTPREL16, REL)
+RELOC_TYPE (GOTTPREL, REL)
+RELOC_TYPE (TPREL64, REL|EXEC|DYN)
+RELOC_TYPE (TPRELHI, REL)
+RELOC_TYPE (TPRELLO, REL)
+RELOC_TYPE (TPREL16, REL)
diff --git a/backends/sw_64_retval.c b/backends/sw_64_retval.c
new file mode 100644
index 0000000..fa5b9fe
--- /dev/null
+++ b/backends/sw_64_retval.c
@@ -0,0 +1,150 @@
+/* Function return value location for sw_64 ELF ABI.
+ Copyright (C) 2005, 2007, 2014 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <dwarf.h>
+
+#define BACKEND sw_64_
+#include "libebl_CPU.h"
+
+
+/* $0. */
+static const Dwarf_Op loc_intreg[] =
+ {
+ { .atom = DW_OP_reg0 }
+ };
+#define nloc_intreg 1
+
+/* $f0, or pair $f0, $f1. */
+static const Dwarf_Op loc_fpreg[] =
+ {
+ { .atom = DW_OP_regx, .number = 32 }, { .atom = DW_OP_piece, .number = 4 },
+ { .atom = DW_OP_regx, .number = 33 }, { .atom = DW_OP_piece, .number = 4 },
+ };
+#define nloc_fpreg 1
+#define nloc_fpregpair 4
+
+/* The return value is a structure and is actually stored in stack space
+ passed in a hidden argument by the caller. But, the compiler
+ helpfully returns the address of that space in $0. */
+static const Dwarf_Op loc_aggregate[] =
+ {
+ { .atom = DW_OP_breg0, .number = 0 }
+ };
+#define nloc_aggregate 1
+
+int
+sw_64_return_value_location (Dwarf_Die *functypedie, const Dwarf_Op **locp)
+{
+ /* Start with the function's type, and get the DW_AT_type attribute,
+ which is the type of the return value. */
+ Dwarf_Die die_mem, *typedie = &die_mem;
+ int tag = dwarf_peeled_die_type (functypedie, typedie);
+ if (tag <= 0)
+ return tag;
+
+ switch (tag)
+ {
+ case -1:
+ return -1;
+
+ case DW_TAG_subrange_type:
+ if (! dwarf_hasattr_integrate (typedie, DW_AT_byte_size))
+ {
+ Dwarf_Attribute attr_mem, *attr;
+ attr = dwarf_attr_integrate (typedie, DW_AT_type, &attr_mem);
+ typedie = dwarf_formref_die (attr, &die_mem);
+ tag = DWARF_TAG_OR_RETURN (typedie);
+ }
+ FALLTHROUGH;
+
+ case DW_TAG_base_type:
+ case DW_TAG_enumeration_type:
+ case DW_TAG_pointer_type:
+ case DW_TAG_ptr_to_member_type:
+ {
+ Dwarf_Attribute attr_mem;
+ Dwarf_Word size;
+ if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_byte_size,
+ &attr_mem), &size) != 0)
+ {
+ if (tag == DW_TAG_pointer_type || tag == DW_TAG_ptr_to_member_type)
+ size = 8;
+ else
+ return -1;
+ }
+ if (tag == DW_TAG_base_type)
+ {
+ Dwarf_Word encoding;
+ if (dwarf_formudata (dwarf_attr_integrate (typedie, DW_AT_encoding,
+ &attr_mem),
+ &encoding) != 0)
+ return -1;
+
+ *locp = loc_fpreg;
+ if (encoding == DW_ATE_float)
+ {
+ if (size <= 8)
+ return nloc_fpreg;
+ goto aggregate;
+ }
+ if (encoding == DW_ATE_complex_float)
+ {
+ if (size <= 8 * 2)
+ return nloc_fpregpair;
+ goto aggregate;
+ }
+ }
+ if (size <= 8)
+ {
+ *locp = loc_intreg;
+ return nloc_intreg;
+ }
+ }
+
+ FALLTHROUGH;
+
+ case DW_TAG_structure_type:
+ case DW_TAG_class_type:
+ case DW_TAG_union_type:
+ case DW_TAG_string_type:
+ case DW_TAG_array_type:
+ aggregate:
+ *locp = loc_aggregate;
+ return nloc_aggregate;
+ }
+
+ /* XXX We don't have a good way to return specific errors from ebl calls.
+ This value means we do not understand the type, but it is well-formed
+ DWARF and might be valid. */
+ return -2;
+}
diff --git a/backends/sw_64_symbol.c b/backends/sw_64_symbol.c
new file mode 100644
index 0000000..0fd1ca0
--- /dev/null
+++ b/backends/sw_64_symbol.c
@@ -0,0 +1,156 @@
+/* sw_64 specific symbolic name handling.
+ Copyright (C) 2002-2011 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * 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
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <stddef.h>
+#include <string.h>
+
+#define BACKEND sw_64_
+#include "libebl_CPU.h"
+
+
+const char *
+sw_64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ switch (tag)
+ {
+ case DT_SW_64_PLTRO:
+ return "SW_64_PLTRO";
+ default:
+ break;
+ }
+ return NULL;
+}
+
+bool
+sw_64_dynamic_tag_check (int64_t tag)
+{
+ return tag == DT_SW_64_PLTRO;
+}
+
+/* Check for the simple reloc types. */
+Elf_Type
+sw_64_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
+ int *addsub __attribute__ ((unused)))
+{
+ switch (type)
+ {
+ case R_SW_64_REFLONG:
+ return ELF_T_WORD;
+ case R_SW_64_REFQUAD:
+ return ELF_T_XWORD;
+ default:
+ return ELF_T_NUM;
+ }
+}
+
+
+/* Check whether SHF_MASKPROC flags are valid. */
+bool
+sw_64_machine_section_flag_check (GElf_Xword sh_flags)
+{
+ return (sh_flags &~ (SHF_SW_64_GPREL)) == 0;
+}
+
+bool
+sw_64_check_special_section (Ebl *ebl,
+ int ndx __attribute__ ((unused)),
+ const GElf_Shdr *shdr,
+ const char *sname __attribute__ ((unused)))
+{
+ if ((shdr->sh_flags
+ & (SHF_WRITE | SHF_EXECINSTR)) == (SHF_WRITE | SHF_EXECINSTR)
+ && shdr->sh_addr != 0)
+ {
+ /* This is ordinarily flagged, but is valid for an old-style PLT.
+
+ Look for the SHT_DYNAMIC section and the DT_PLTGOT tag in it.
+ Its d_ptr should match the .plt section's sh_addr. */
+
+ Elf_Scn *scn = NULL;
+ while ((scn = elf_nextscn (ebl->elf, scn)) != NULL)
+ {
+ GElf_Shdr scn_shdr;
+ if (likely (gelf_getshdr (scn, &scn_shdr) != NULL)
+ && scn_shdr.sh_type == SHT_DYNAMIC
+ && scn_shdr.sh_entsize != 0)
+ {
+ GElf_Addr pltgot = 0;
+ Elf_Data *data = elf_getdata (scn, NULL);
+ if (data != NULL)
+ for (size_t i = 0; i < data->d_size / scn_shdr.sh_entsize; ++i)
+ {
+ GElf_Dyn dyn;
+ if (unlikely (gelf_getdyn (data, i, &dyn) == NULL))
+ break;
+ if (dyn.d_tag == DT_PLTGOT)
+ pltgot = dyn.d_un.d_ptr;
+ else if (dyn.d_tag == DT_SW_64_PLTRO && dyn.d_un.d_val != 0)
+ return false; /* This PLT should not be writable. */
+ }
+ return pltgot == shdr->sh_addr;
+ }
+ }
+ }
+
+ return false;
+}
+
+/* Check whether given symbol's st_value and st_size are OK despite failing
+ normal checks. */
+bool
+sw_64_check_special_symbol (Elf *elf __attribute__ ((unused)),
+ const GElf_Sym *sym __attribute__ ((unused)),
+ const char *name,
+ const GElf_Shdr *destshdr __attribute__ ((unused)))
+{
+ if (name == NULL)
+ return false;
+
+ if (strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0)
+ /* On sw_64 any place in the section is valid. */
+ return true;
+
+ return false;
+}
+
+/* Check whether only valid bits are set on the st_other symbol flag.
+ Standard ST_VISIBILITY have already been masked off. */
+bool
+sw_64_check_st_other_bits (unsigned char st_other)
+{
+ return ((((st_other & STO_SW_64_STD_GPLOAD) == STO_SW_64_NOPV)
+ || ((st_other & STO_SW_64_STD_GPLOAD) == STO_SW_64_STD_GPLOAD))
+ && (st_other &~ STO_SW_64_STD_GPLOAD) == 0);
+}
diff --git a/config/config.guess b/config/config.guess
index c7f17e8..d8cda3d 100755
--- a/config/config.guess
+++ b/config/config.guess
@@ -313,6 +313,40 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
mips:OSF1:*.*)
GUESS=mips-dec-osf1
;;
+ sw_64:OSF1:*:*)
+ case $UNAME_RELEASE in
+ *4.0)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+ ;;
+ *5.*)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+ ;;
+ esac
+ # According to Compaq, /usr/sbin/psrinfo has been available on
+ # OSF/1 and Tru64 systems produced since 1995. I hope that
+ # covers most systems running today. This code pipes the CPU
+ # types through head -n 1, so we only detect the type of CPU 0.
+ SW_64_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The sw_64 \(.*\) processor.*$/\1/p' | head -n 1`
+ case "$SW_64_CPU_TYPE" in
+ "SW6A (21264)")
+ UNAME_MACHINE="sw_64sw6a" ;;
+ "SW6B (21264)")
+ UNAME_MACHINE="sw_64sw6b" ;;
+ "SW8A (21264)")
+ UNAME_MACHINE="sw_64sw8a" ;;
+ "SW6 (21264A)")
+ UNAME_MACHINE="sw_64sw6" ;;
+ esac
+ # A Pn.n version is a patched version.
+ # A Vn.n version is a released version.
+ # A Tn.n version is a released field test version.
+ # A Xn.n version is an unreleased experimental baselevel.
+ # 1.2 uses "1.2" for uname -r.
+ echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+ exitcode=$?
+ trap '' 0
+ exit $exitcode ;;
alpha:OSF1:*:*)
# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
trap '' 0
@@ -976,6 +1010,17 @@ EOF
UNAME_MACHINE=aarch64_be
GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
;;
+ sw_64:Linux:*:*)
+ case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+ SW6A) UNAME_MACHINE=sw_64sw6a ;;
+ SW6B) UNAME_MACHINE=sw_64sw6b ;;
+ SW8A) UNAME_MACHINE=sw_64sw8a ;;
+ SW6) UNAME_MACHINE=sw_64sw6 ;;
+ esac
+ objdump --private-headers /bin/sh | grep -q ld.so.1
+ if test "$?" = 0 ; then LIBC="gnulibc1" ; fi
+ echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+ exit ;;
alpha:Linux:*:*)
case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
EV5) UNAME_MACHINE=alphaev5 ;;
@@ -1526,6 +1571,7 @@ EOF
UNAME_MACHINE=`(uname -p) 2>/dev/null`
case $UNAME_MACHINE in
A*) GUESS=alpha-dec-vms ;;
+ S*) GUESS=sw_64-dec-vms ;;
I*) GUESS=ia64-dec-vms ;;
V*) GUESS=vax-dec-vms ;;
esac ;;
diff --git a/config/config.sub b/config/config.sub
index b41da55..8c14703 100755
--- a/config/config.sub
+++ b/config/config.sub
@@ -1182,6 +1182,7 @@ case $cpu-$vendor in
| a29k \
| aarch64 | aarch64_be \
| abacus \
+ | sw_64 \
| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
| alphapca5[67] | alpha64pca5[67] \
diff --git a/configure b/configure
index 4a3e0a4..06c959d 100755
--- a/configure
+++ b/configure
@@ -10106,7 +10106,7 @@ else $as_nop
case "$gl_cv_host_cpu_c_abi" in
i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
gl_cv_host_cpu_c_abi_32bit=yes ;;
- x86_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
+ x86_64 | sw_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
gl_cv_host_cpu_c_abi_32bit=no ;;
*)
gl_cv_host_cpu_c_abi_32bit=unknown ;;
@@ -10135,7 +10135,7 @@ else $as_nop
;;
# CPUs that only support a 64-bit ABI.
- alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
+ sw_64 | alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
| mmix )
gl_cv_host_cpu_c_abi_32bit=no
;;
diff --git a/libdwelf/dwelf_elf_e_machine_string.c b/libdwelf/dwelf_elf_e_machine_string.c
index 6d588ea..3281f95 100644
--- a/libdwelf/dwelf_elf_e_machine_string.c
+++ b/libdwelf/dwelf_elf_e_machine_string.c
@@ -401,6 +401,9 @@ dwelf_elf_e_machine_string (int machine)
case EM_LOONGARCH:
return "LoongArch";
+ case EM_SW_64:
+ return "Sw_64";
+
case EM_ALPHA:
return "Alpha";
diff --git a/libebl/eblopenbackend.c b/libebl/eblopenbackend.c
index 084a154..5236c05 100644
--- a/libebl/eblopenbackend.c
+++ b/libebl/eblopenbackend.c
@@ -45,6 +45,7 @@ Ebl *sh_init (Elf *, GElf_Half, Ebl *);
Ebl *x86_64_init (Elf *, GElf_Half, Ebl *);
Ebl *ia64_init (Elf *, GElf_Half, Ebl *);
Ebl *alpha_init (Elf *, GElf_Half, Ebl *);
+Ebl *sw_64_init (Elf *, GElf_Half, Ebl *);
Ebl *arm_init (Elf *, GElf_Half, Ebl *);
Ebl *aarch64_init (Elf *, GElf_Half, Ebl *);
Ebl *sparc_init (Elf *, GElf_Half, Ebl *);
@@ -76,6 +77,7 @@ static const struct
{ i386_init, "elf_i386", "i386", 4, EM_386, ELFCLASS32, ELFDATA2LSB },
{ ia64_init, "elf_ia64", "ia64", 4, EM_IA_64, ELFCLASS64, ELFDATA2LSB },
{ alpha_init, "elf_alpha", "alpha", 5, EM_ALPHA, ELFCLASS64, ELFDATA2LSB },
+ { sw_64_init, "elf_sw_64", "sw_64", 5, EM_SW_64, ELFCLASS64, ELFDATA2LSB },
{ x86_64_init, "elf_x86_64", "x86_64", 6, EM_X86_64, ELFCLASS64, ELFDATA2LSB },
{ ppc_init, "elf_ppc", "ppc", 3, EM_PPC, ELFCLASS32, ELFDATA2MSB },
{ ppc64_init, "elf_ppc64", "ppc64", 5, EM_PPC64, ELFCLASS64, ELFDATA2MSB },
diff --git a/libelf/elf-knowledge.h b/libelf/elf-knowledge.h
index 6e005fa..55b7643 100644
--- a/libelf/elf-knowledge.h
+++ b/libelf/elf-knowledge.h
@@ -73,7 +73,7 @@
using a 64-bit entry size. So now we need this macro to special
case both the alpha and s390x ABIs. */
#define SH_ENTSIZE_HASH(Ehdr) \
- ((Ehdr)->e_machine == EM_ALPHA \
+ ((Ehdr)->e_machine == EM_ALPHA || (Ehdr)->e_machine == EM_SW_64 \
|| ((Ehdr)->e_machine == EM_S390 \
&& (Ehdr)->e_ident[EI_CLASS] == ELFCLASS64) ? 8 : 4)
diff --git a/libelf/elf.h b/libelf/elf.h
index 7b4a8fe..114c33a 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -371,6 +371,7 @@ typedef struct
chances of collision with official or non-GNU unofficial values. */
#define EM_ALPHA 0x9026
+#define EM_SW_64 0x9916
/* Legal values for e_version (version). */
@@ -2532,6 +2533,78 @@ enum
#define DT_ALPHA_PLTRO (DT_LOPROC + 0)
#define DT_ALPHA_NUM 1
+/* Sw_64 specific definitions. */
+
+/* Legal values for e_flags field of Elf64_Ehdr. */
+
+#define EF_SW_64_32BIT 1 /* All addresses must be < 2GB. */
+#define EF_SW_64_CANRELAX 2 /* Relocations for relaxing exist. */
+
+/* Legal values for sh_type field of Elf64_Shdr. */
+
+/* These two are primerily concerned with ECOFF debugging info. */
+#define SHT_SW_64_DEBUG 0x70000001
+#define SHT_SW_64_REGINFO 0x70000002
+
+/* Legal values for sh_flags field of Elf64_Shdr. */
+
+#define SHF_SW_64_GPREL 0x10000000
+
+/* Legal values for st_other field of Elf64_Sym. */
+#define STO_SW_64_NOPV 0x80 /* No PV required. */
+#define STO_SW_64_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */
+
+/* Alpha relocs. */
+
+#define R_SW_64_NONE 0 /* No reloc */
+#define R_SW_64_REFLONG 1 /* Direct 32 bit */
+#define R_SW_64_REFQUAD 2 /* Direct 64 bit */
+#define R_SW_64_GPREL32 3 /* GP relative 32 bit */
+#define R_SW_64_LITERAL 4 /* GP relative 16 bit w/optimization */
+#define R_SW_64_LITUSE 5 /* Optimization hint for LITERAL */
+#define R_SW_64_GPDISP 6 /* Add displacement to GP */
+#define R_SW_64_BRADDR 7 /* PC+4 relative 23 bit shifted */
+#define R_SW_64_HINT 8 /* PC+4 relative 16 bit shifted */
+#define R_SW_64_SREL16 9 /* PC relative 16 bit */
+#define R_SW_64_SREL32 10 /* PC relative 32 bit */
+#define R_SW_64_SREL64 11 /* PC relative 64 bit */
+#define R_SW_64_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */
+#define R_SW_64_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */
+#define R_SW_64_GPREL16 19 /* GP relative 16 bit */
+#define R_SW_64_COPY 24 /* Copy symbol at runtime */
+#define R_SW_64_GLOB_DAT 25 /* Create GOT entry */
+#define R_SW_64_JMP_SLOT 26 /* Create PLT entry */
+#define R_SW_64_RELATIVE 27 /* Adjust by program base */
+#define R_SW_64_TLS_GD_HI 28
+#define R_SW_64_TLSGD 29
+#define R_SW_64_TLS_LDM 30
+#define R_SW_64_DTPMOD64 31
+#define R_SW_64_GOTDTPREL 32
+#define R_SW_64_DTPREL64 33
+#define R_SW_64_DTPRELHI 34
+#define R_SW_64_DTPRELLO 35
+#define R_SW_64_DTPREL16 36
+#define R_SW_64_GOTTPREL 37
+#define R_SW_64_TPREL64 38
+#define R_SW_64_TPRELHI 39
+#define R_SW_64_TPRELLO 40
+#define R_SW_64_TPREL16 41
+/* Keep this the last entry. */
+#define R_SW_64_NUM 46
+
+/* Magic values of the LITUSE relocation addend. */
+#define LITUSE_SW_64_ADDR 0
+#define LITUSE_SW_64_BASE 1
+#define LITUSE_SW_64_BYTOFF 2
+#define LITUSE_SW_64_JSR 3
+#define LITUSE_SW_64_TLS_GD 4
+#define LITUSE_SW_64_TLS_LDM 5
+
+/* Legal values for d_tag of Elf64_Dyn. */
+#define DT_SW_64_PLTRO (DT_LOPROC + 0)
+#define DT_SW_64_NUM 1
+
+
/* PowerPC specific declarations */
/* Values for Elf32/64_Ehdr.e_flags. */
diff --git a/m4/host-cpu-c-abi.m4 b/m4/host-cpu-c-abi.m4
index b922324..3bd3400 100644
--- a/m4/host-cpu-c-abi.m4
+++ b/m4/host-cpu-c-abi.m4
@@ -96,6 +96,12 @@ changequote([,])dnl
gl_cv_host_cpu_c_abi=alpha
;;
+changequote(,)dnl
+ sw_64 )
+changequote([,])dnl
+ gl_cv_host_cpu_c_abi=sw_64
+ ;;
+
arm* | aarch64 )
# Assume arm with EABI.
# On arm64 systems, the C compiler may be generating code in one of
@@ -358,6 +364,9 @@ EOF
#ifndef __alpha__
#undef __alpha__
#endif
+#ifndef __sw_64__
+#undef __sw_64__
+#endif
#ifndef __arm__
#undef __arm__
#endif
@@ -471,7 +480,7 @@ AC_DEFUN([gl_HOST_CPU_C_ABI_32BIT],
case "$gl_cv_host_cpu_c_abi" in
i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
gl_cv_host_cpu_c_abi_32bit=yes ;;
- x86_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
+ x86_64 | sw_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
gl_cv_host_cpu_c_abi_32bit=no ;;
*)
gl_cv_host_cpu_c_abi_32bit=unknown ;;
@@ -501,7 +510,7 @@ AC_DEFUN([gl_HOST_CPU_C_ABI_32BIT],
# CPUs that only support a 64-bit ABI.
changequote(,)dnl
- alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
+ sw_64 | alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
| mmix )
changequote([,])dnl
gl_cv_host_cpu_c_abi_32bit=no
diff --git a/src/Makefile.in b/src/Makefile.in
index 5caaf93..9c243b7 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -510,7 +510,7 @@ ARFLAGS = cr
@HAVE_DUPLICATED_COND_WARNING_FALSE@DUPLICATED_COND_WARNING =
@HAVE_DUPLICATED_COND_WARNING_TRUE@DUPLICATED_COND_WARNING = -Wduplicated-cond
@HAVE_NULL_DEREFERENCE_WARNING_FALSE@NULL_DEREFERENCE_WARNING =
-@HAVE_NULL_DEREFERENCE_WARNING_TRUE@NULL_DEREFERENCE_WARNING = -Wnull-dereference
+@HAVE_NULL_DEREFERENCE_WARNING_TRUE@NULL_DEREFERENCE_WARNING =
@HAVE_IMPLICIT_FALLTHROUGH_5_WARNING_FALSE@@HAVE_IMPLICIT_FALLTHROUGH_WARNING_TRUE@IMPLICIT_FALLTHROUGH_WARNING = -Wimplicit-fallthrough
# Use strict fallthrough. Only __attribute__((fallthrough)) will prevent the
diff --git a/src/elflint.c b/src/elflint.c
index 864de71..53aa8d8 100644
--- a/src/elflint.c
+++ b/src/elflint.c
@@ -329,7 +329,7 @@ static const int valid_e_machine[] =
EM_68HC16, EM_68HC11, EM_68HC08, EM_68HC05, EM_SVX, EM_ST19, EM_VAX,
EM_CRIS, EM_JAVELIN, EM_FIREPATH, EM_ZSP, EM_MMIX, EM_HUANY, EM_PRISM,
EM_AVR, EM_FR30, EM_D10V, EM_D30V, EM_V850, EM_M32R, EM_MN10300,
- EM_MN10200, EM_PJ, EM_OPENRISC, EM_ARC_A5, EM_XTENSA, EM_ALPHA,
+ EM_MN10200, EM_PJ, EM_OPENRISC, EM_ARC_A5, EM_XTENSA, EM_ALPHA, EM_SW_64,
EM_TILEGX, EM_TILEPRO, EM_AARCH64, EM_BPF, EM_RISCV, EM_CSKY, EM_LOONGARCH,
EM_ARCV2
};
diff --git a/src/findtextrel.c b/src/findtextrel.c
index d3021a3..aca2474 100644
--- a/src/findtextrel.c
+++ b/src/findtextrel.c
@@ -128,7 +128,7 @@ main (int argc, char *argv[])
if (debuginfo_root == NULL)
{
// XXX The runtime should provide this information.
-#if defined __ia64__ || defined __alpha__
+#if defined __ia64__ || defined __alpha__ || defined __sw_64__
debuginfo_root = "/usr/lib/debug";
#else
debuginfo_root = (sizeof (long int) == 4
diff --git a/tests/saridx.c b/tests/saridx.c
index e7f0c56..f5c91d8 100644
--- a/tests/saridx.c
+++ b/tests/saridx.c
@@ -51,6 +51,7 @@ static const char *machines[] =
MACHINE (EM_RCE),
MACHINE (EM_ARM),
MACHINE (EM_FAKE_ALPHA),
+ MACHINE (EM_SW_64),
MACHINE (EM_SH),
MACHINE (EM_SPARCV9),
MACHINE (EM_TRICORE),
--
2.20.1
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