C-SKY V2 ABI manual:
https://github.com/c-sky/csky-doc/blob/master/C-SKY_V2_CPU_Applications_Binary_Interface_Standards_Manual.pdf
C-SKY architecture user guide:
https://github.com/c-sky/csky-doc/blob/master/CSKY%20Architecture%20user_guide.pdf
Signed-off-by: Mao Han <han_...@c-sky.com>
---
backends/ChangeLog | 13 +++++
backends/Makefile.am | 9 +++-
backends/csky_cfi.c | 60 +++++++++++++++++++++++
backends/csky_corenote.c | 61 ++++++++++++++++++++++++
backends/csky_init.c | 65 +++++++++++++++++++++++++
backends/csky_initreg.c | 86 +++++++++++++++++++++++++++++++++
backends/csky_regs.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++
backends/csky_reloc.def | 86 +++++++++++++++++++++++++++++++++
backends/csky_symbol.c | 77 ++++++++++++++++++++++++++++++
libebl/eblopenbackend.c | 1 +
src/elflint.c | 2 +-
11 files changed, 579 insertions(+), 3 deletions(-)
create mode 100644 backends/csky_cfi.c
create mode 100644 backends/csky_corenote.c
create mode 100644 backends/csky_init.c
create mode 100644 backends/csky_initreg.c
create mode 100644 backends/csky_regs.c
create mode 100644 backends/csky_reloc.def
create mode 100644 backends/csky_symbol.c
diff --git a/backends/ChangeLog b/backends/ChangeLog
index 0c61a0b..0c3193e 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,16 @@
+2019-04-01 Mao Han <han_...@c-sky.com>
+
+ * backends/Makefile.am: Add C-SKY.
+ * backends/csky_cfi.c: New file.
+ * backends/csky_corenote.c: Likewise.
+ * backends/csky_init.c: Likewise.
+ * backends/csky_initreg.c: Likewise.
+ * backends/csky_regs.c: Likewise.
+ * backends/csky_reloc.def: Likewise.
+ * backends/csky_symbol.c: Likewise.
+ * libebl/eblopenbackend.c: Add C-SKY.
+ * src/elflint.c: Likewise.
+
2019-02-15 Mark Wielaard <m...@klomp.org>
* s390_init.c (s390_init): Hook check_special_symbol.
diff --git a/backends/Makefile.am b/backends/Makefile.am
index 2126a2e..155db8a 100644
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -33,12 +33,13 @@ AM_CPPFLAGS += -I$(top_srcdir)/libebl
-I$(top_srcdir)/libasm \
modules = i386 sh x86_64 ia64 alpha arm aarch64 sparc ppc ppc64 s390 \
- tilegx m68k bpf riscv
+ tilegx m68k bpf riscv csky
libebl_pic = libebl_i386_pic.a libebl_sh_pic.a libebl_x86_64_pic.a \
libebl_ia64_pic.a libebl_alpha_pic.a libebl_arm_pic.a \
libebl_aarch64_pic.a libebl_sparc_pic.a libebl_ppc_pic.a \
libebl_ppc64_pic.a libebl_s390_pic.a libebl_tilegx_pic.a \
- libebl_m68k_pic.a libebl_bpf_pic.a libebl_riscv_pic.a
+ libebl_m68k_pic.a libebl_bpf_pic.a libebl_riscv_pic.a \
+ libebl_csky_pic.a
noinst_LIBRARIES = $(libebl_pic)
noinst_DATA = $(libebl_pic:_pic.a=.so)
@@ -136,6 +137,10 @@ riscv_SRCS = riscv_init.c riscv_symbol.c riscv_cfi.c
riscv_regs.c \
libebl_riscv_pic_a_SOURCES = $(riscv_SRCS)
am_libebl_riscv_pic_a_OBJECTS = $(riscv_SRCS:.c=.os)
+csky_SRCS = csky_init.c csky_symbol.c csky_cfi.c csky_regs.c \
+ csky_initreg.c csky_corenote.c
+libebl_csky_pic_a_SOURCES = $(csky_SRCS)
+am_libebl_csky_pic_a_OBJECTS = $(csky_SRCS:.c=.os)
libebl_%.so libebl_%.map: libebl_%_pic.a $(libelf) $(libdw) $(libeu)
@rm -f $(@:.so=.map)
diff --git a/backends/csky_cfi.c b/backends/csky_cfi.c
new file mode 100644
index 0000000..6895c9e
--- /dev/null
+++ b/backends/csky_cfi.c
@@ -0,0 +1,60 @@
+/* C-SKY ABI-specified defaults for DWARF CFI.
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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 <dwarf.h>
+
+#define BACKEND csky_
+#include "libebl_CPU.h"
+
+
+int
+csky_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
+{
+ static const uint8_t abi_cfi[] =
+ {
+ DW_CFA_def_cfa, ULEB128_7 (14), ULEB128_7 (0),
+ DW_CFA_val_offset, ULEB128_7 (14), ULEB128_7 (0),
+
+#define SV(n) DW_CFA_same_value, ULEB128_7 (n)
+ SV(4), SV (5), SV (6), SV (7), SV (8), SV (9),
+ SV(10), SV (11), SV (15), SV (16), SV (17)
+#undef SV
+ };
+
+ abi_info->initial_instructions = abi_cfi;
+ abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
+ abi_info->data_alignment_factor = -4;
+
+ abi_info->return_address_register = 15; /* lr. */
+
+ return 0;
+}
diff --git a/backends/csky_corenote.c b/backends/csky_corenote.c
new file mode 100644
index 0000000..c32b386
--- /dev/null
+++ b/backends/csky_corenote.c
@@ -0,0 +1,61 @@
+/* C-SKY specific core note handling.
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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 csky_
+#include "libebl_CPU.h"
+
+#define ULONG uint32_t
+#define PID_T int32_t
+#define UID_T uint32_t
+#define GID_T uint32_t
+#define ALIGN_ULONG 4
+#define ALIGN_PID_T 4
+#define ALIGN_UID_T 4
+#define ALIGN_GID_T 4
+#define TYPE_ULONG ELF_T_WORD
+#define TYPE_PID_T ELF_T_SWORD
+#define TYPE_UID_T ELF_T_WORD
+#define TYPE_GID_T ELF_T_WORD
+
+static const Ebl_Register_Location prstatus_regs[] =
+ {
+ { .offset = 0, .regno = 0, .count = 38, .bits = 32 } /* r0..r31 */
+ };
+#define PRSTATUS_REGS_SIZE (38 * 4)
+
+#include "linux-core-note.c"
diff --git a/backends/csky_init.c b/backends/csky_init.c
new file mode 100644
index 0000000..2ae3481
--- /dev/null
+++ b/backends/csky_init.c
@@ -0,0 +1,65 @@
+/* Initialization of C-SKY specific backend library.
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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 csky_
+#define RELOC_PREFIX R_CKCORE_
+#include "libebl_CPU.h"
+
+/* This defines the common reloc hooks based on csky_reloc.def. */
+#include "common-reloc.c"
+
+const char *
+csky_init (Elf *elf __attribute__ ((unused)),
+ GElf_Half machine __attribute__ ((unused)),
+ Ebl *eh,
+ size_t ehlen)
+{
+ /* Check whether the Elf_BH object has a sufficent size. */
+ if (ehlen < sizeof (Ebl))
+ return NULL;
+
+ /* We handle it. */
+ eh->name = "C-SKY";
+ csky_init_reloc (eh);
+ HOOK (eh, reloc_simple_type);
+ HOOK (eh, register_info);
+ HOOK (eh, abi_cfi);
+ HOOK (eh, core_note);
+ HOOK (eh, set_initial_registers_tid);
+ HOOK (eh, machine_flag_check);
+ HOOK (eh, section_type_name);
+
+ /* gcc/config/ #define DWARF_FRAME_REGISTERS. */
+ eh->frame_nregs = 71;
+
+ return MODVERSION;
+}
diff --git a/backends/csky_initreg.c b/backends/csky_initreg.c
new file mode 100644
index 0000000..6563b8a
--- /dev/null
+++ b/backends/csky_initreg.c
@@ -0,0 +1,86 @@
+/* Fetch live process registers from TID. C-SKY version.
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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 "system.h"
+#include <assert.h>
+#if defined __CSKY__ && defined __linux__
+# include <sys/uio.h>
+# include <sys/procfs.h>
+# include <sys/ptrace.h>
+#endif
+
+#define BACKEND csky_
+#include "libebl_CPU.h"
+
+bool
+csky_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
+ ebl_tid_registers_t *setfunc __attribute__
((unused)),
+ void *arg __attribute__ ((unused)))
+{
+#if !defined __CSKY__ || !defined __linux__
+ return false;
+#else /* __CSKY__ */
+ struct pt_regs user_regs;
+ struct iovec iovec;
+ iovec.iov_base = &user_regs;
+ iovec.iov_len = sizeof (user_regs);
+ if (ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iovec) != 0)
+ return false;
+
+ Dwarf_Word dwarf_regs[71];
+
+ /* lr. */
+ dwarf_regs[15] = user_regs.lr;
+ /* sp. */
+ dwarf_regs[14] = user_regs.usp;
+ /* r0 ~ r13. */
+ dwarf_regs[0] = user_regs.a0;
+ dwarf_regs[1] = user_regs.a1;
+ dwarf_regs[2] = user_regs.a2;
+ dwarf_regs[3] = user_regs.a3;
+ for (int i = 4; i < 14; i++)
+ dwarf_regs[i] = user_regs.regs[i - 4];
+ /* r ~ r13. */
+ for (int i = 16; i < 31; i++)
+ dwarf_regs[i] = user_regs.exregs[i - 16];
+ /* tls. */
+ dwarf_regs[31] = user_regs.tls;
+ /* hi. */
+ dwarf_regs[34] = user_regs.rhi;
+ /* lo. */
+ dwarf_regs[35] = user_regs.rlo;
+ /* pc. */
+ dwarf_regs[70] = user_regs.pc;
+
+ return setfunc (0, 71, dwarf_regs, arg);
+#endif
+}
diff --git a/backends/csky_regs.c b/backends/csky_regs.c
new file mode 100644
index 0000000..0b6706e
--- /dev/null
+++ b/backends/csky_regs.c
@@ -0,0 +1,122 @@
+/* Register names and numbers for C-SKY DWARF.
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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 csky_
+#include "libebl_CPU.h"
+
+ssize_t
+csky_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 71;
+
+ *prefix = "";
+ *bits = 38;
+ *type = DW_ATE_signed;
+ *setname = "integer";
+
+ switch (regno)
+ {
+ case 0:
+ stpcpy (name, "tls");
+ namelen = 3;
+ break;
+
+ case 1:
+ stpcpy (name, "lr");
+ namelen = 2;
+ break;
+
+ case 2:
+ stpcpy (name, "pc");
+ namelen = 2;
+ break;
+
+ case 3:
+ stpcpy (name, "sr");
+ namelen = 2;
+ break;
+
+ case 4:
+ stpcpy (name, "usp");
+ namelen = 2;
+ break;
+
+ case 5 ... 14:
+ name[0] = 'r';
+ name[1] = regno - 5 + '0';
+ namelen = 2;
+ break;
+
+ case 15 ... 24:
+ name[0] = 'r';
+ name[1] = '1';
+ name[2] = regno - 15 + '0';
+ namelen = 3;
+ break;
+
+ case 25 ... 34:
+ name[0] = 'r';
+ name[1] = '2';
+ name[2] = regno - 25 + '0';
+ namelen = 3;
+ break;
+
+ case 35:
+ stpcpy (name, "r31");
+ namelen = 3;
+ break;
+
+ case 36:
+ stpcpy (name, "hi");
+ namelen = 2;
+ break;
+
+ case 37:
+ stpcpy (name, "lo");
+ namelen = 2;
+ break;
+
+ default:
+ *setname = NULL;
+ return 0;
+ }
+
+ name[namelen++] = '\0';
+ return namelen;
+}
diff --git a/backends/csky_reloc.def b/backends/csky_reloc.def
new file mode 100644
index 0000000..1108f0c
--- /dev/null
+++ b/backends/csky_reloc.def
@@ -0,0 +1,86 @@
+/* List the relocation types for csky. -*- C -*-
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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, REL|EXEC|DYN)
+RELOC_TYPE (ADDR32, REL|EXEC|DYN)
+RELOC_TYPE (PCRELIMM8BY4, REL)
+RELOC_TYPE (PCRELIMM11BY2, REL)
+RELOC_TYPE (PCREL32, REL|DYN)
+RELOC_TYPE (PCRELJSR_IMM11BY2, REL)
+RELOC_TYPE (RELATIVE, EXEC|DYN)
+RELOC_TYPE (COPY, EXEC|DYN)
+RELOC_TYPE (GLOB_DAT, EXEC|DYN)
+RELOC_TYPE (JUMP_SLOT, EXEC|DYN)
+RELOC_TYPE (GOTOFF, REL)
+RELOC_TYPE (GOTPC, REL)
+RELOC_TYPE (GOT32, REL)
+RELOC_TYPE (PLT32, REL)
+RELOC_TYPE (ADDRGOT, REL)
+RELOC_TYPE (ADDRPLT, REL)
+RELOC_TYPE (PCREL_IMM26BY2, REL)
+RELOC_TYPE (PCREL_IMM16BY2, REL)
+RELOC_TYPE (PCREL_IMM16BY4, REL)
+RELOC_TYPE (PCREL_IMM10BY2, REL)
+RELOC_TYPE (PCREL_IMM10BY4, REL)
+RELOC_TYPE (ADDR_HI16, REL|DYN)
+RELOC_TYPE (ADDR_LO16, REL|DYN)
+RELOC_TYPE (GOTPC_HI16, REL)
+RELOC_TYPE (GOTPC_LO16, REL)
+RELOC_TYPE (GOTOFF_HI16, REL)
+RELOC_TYPE (GOTOFF_LO16, REL)
+RELOC_TYPE (GOT12, REL)
+RELOC_TYPE (GOT_HI16, REL)
+RELOC_TYPE (GOT_LO16, REL)
+RELOC_TYPE (PLT12, REL)
+RELOC_TYPE (PLT_HI16, REL)
+RELOC_TYPE (PLT_LO16, REL)
+RELOC_TYPE (ADDRGOT_HI16, REL)
+RELOC_TYPE (ADDRGOT_LO16, REL)
+RELOC_TYPE (ADDRPLT_HI16, REL)
+RELOC_TYPE (ADDRPLT_LO16, REL)
+RELOC_TYPE (PCREL_JSR_IMM26BY2, REL|DYN)
+RELOC_TYPE (TOFFSET_LO16, REL)
+RELOC_TYPE (DOFFSET_LO16, REL)
+RELOC_TYPE (PCREL_IMM18BY2, REL)
+RELOC_TYPE (DOFFSET_IMM18, REL)
+RELOC_TYPE (DOFFSET_IMM18BY2, REL)
+RELOC_TYPE (DOFFSET_IMM18BY4, REL)
+RELOC_TYPE (GOT_IMM18BY4, REL)
+RELOC_TYPE (PLT_IMM18BY4, REL)
+RELOC_TYPE (PCREL_IMM7BY4, REL)
+RELOC_TYPE (TLS_LE32, REL)
+RELOC_TYPE (TLS_IE32, REL)
+RELOC_TYPE (TLS_GD32, REL)
+RELOC_TYPE (TLS_LDM32, REL)
+RELOC_TYPE (TLS_LDO32, REL)
+RELOC_TYPE (TLS_DTPMOD32, EXEC|DYN)
+RELOC_TYPE (TLS_DTPOFF32, EXEC|DYN)
+RELOC_TYPE (TLS_TPOFF32, EXEC|DYN)
diff --git a/backends/csky_symbol.c b/backends/csky_symbol.c
new file mode 100644
index 0000000..96235cb
--- /dev/null
+++ b/backends/csky_symbol.c
@@ -0,0 +1,77 @@
+/* C-SKY specific symbolic name handling.
+ Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+ 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 <elf.h>
+#include <stddef.h>
+#include <string.h>
+
+#define BACKEND csky_
+#include "libebl_CPU.h"
+
+/* Check for the simple reloc types. */
+Elf_Type
+csky_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type,
+ int *addsub __attribute__ ((unused)))
+{
+ switch (type)
+ {
+ case R_CKCORE_ADDR32:
+ return ELF_T_WORD;
+ default:
+ return ELF_T_NUM;
+ }
+}
+
+bool
+csky_machine_flag_check (GElf_Word flags)
+{
+ switch (flags & EF_CSKY_ABIMASK)
+ {
+ case EF_CSKY_ABIV1:
+ case EF_CSKY_ABIV2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+const char *
+csky_section_type_name (int type,
+ char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ if (type == SHT_CSKY_ATTRIBUTES)
+ return "CSKY_ATTRIBUTES";
+
+ return NULL;
+}
diff --git a/libebl/eblopenbackend.c b/libebl/eblopenbackend.c
index d54b720..e229dbd 100644
--- a/libebl/eblopenbackend.c
+++ b/libebl/eblopenbackend.c
@@ -135,6 +135,7 @@ static const struct
{ "bpf", "elf_bpf", "bpf", 3, EM_BPF, 0, 0 },
{ "riscv", "elf_riscv", "riscv", 5, EM_RISCV, ELFCLASS64, ELFDATA2LSB },
{ "riscv", "elf_riscv", "riscv", 5, EM_RISCV, ELFCLASS32, ELFDATA2LSB },
+ { "csky", "elf_csky", "csky", 4, EM_CSKY, ELFCLASS32, ELFDATA2LSB },
};
#define nmachines (sizeof (machines) / sizeof (machines[0]))
diff --git a/src/elflint.c b/src/elflint.c
index 810c8bd..edb466d 100644
--- a/src/elflint.c
+++ b/src/elflint.c
@@ -330,7 +330,7 @@ static const int valid_e_machine[] =
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_TILEGX, EM_TILEPRO, EM_AARCH64, EM_BPF, EM_RISCV
+ EM_TILEGX, EM_TILEPRO, EM_AARCH64, EM_BPF, EM_RISCV, EM_CSKY
};
#define nvalid_e_machine \
(sizeof (valid_e_machine) / sizeof (valid_e_machine[0]))
--
2.7.4
