Signed-off-by: Youling Tang <tangyoul...@loongson.cn>
---
backends/ChangeLog | 6 ++
backends/Makefile.am | 2 +-
backends/loongarch_corenote.c | 114 ++++++++++++++++++++++++++++++++++
backends/loongarch_init.c | 1 +
4 files changed, 122 insertions(+), 1 deletion(-)
create mode 100644 backends/loongarch_corenote.c
diff --git a/backends/ChangeLog b/backends/ChangeLog
index ae385fe0..4575c16b 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,9 @@
+2023-04-07 Youling Tang <tangyoul...@loongson.cn>
+
+ * Makefile.am (loongarch_SRCS): Add loongarch_corenote.c.
+ * loongarch_init.c (loongarch_init): Hook core_note.
+ * loongarch_corenote.c: New file.
+
2023-04-07 Youling Tang <tangyoul...@loongson.cn>
* Makefile.am (loongarch_SRCS): Add loongarch_unwind.c.
diff --git a/backends/Makefile.am b/backends/Makefile.am
index 848e520c..c8459128 100644
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -98,7 +98,7 @@ csky_SRCS = csky_attrs.c csky_init.c csky_symbol.c csky_cfi.c
\
loongarch_SRCS = loongarch_init.c loongarch_symbol.c loongarch_cfi.c \
loongarch_regs.c loongarch_initreg.c loongarch_retval.c \
- loongarch_unwind.c
+ loongarch_unwind.c loongarch_corenote.c
arc_SRCS = arc_init.c arc_symbol.c
diff --git a/backends/loongarch_corenote.c b/backends/loongarch_corenote.c
new file mode 100644
index 00000000..b549edc0
--- /dev/null
+++ b/backends/loongarch_corenote.c
@@ -0,0 +1,114 @@
+/* LoongArch specific core note handling.
+ Copyright (C) 2023 Loongson Technology Corporation Limited.
+ 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 loongarch_
+#include "libebl_CPU.h"
+
+#define ULONG uint64_t
+#define PID_T int32_t
+#define UID_T uint32_t
+#define GID_T uint32_t
+#define ALIGN_ULONG 8
+#define ALIGN_PID_T 4
+#define ALIGN_UID_T 4
+#define ALIGN_GID_T 4
+#define TYPE_ULONG ELF_T_XWORD
+#define TYPE_PID_T ELF_T_SWORD
+#define TYPE_UID_T ELF_T_WORD
+#define TYPE_GID_T ELF_T_WORD
+
+#define PRSTATUS_REGS_SIZE (45 * 8)
+
+static const Ebl_Register_Location prstatus_regs[] =
+ {
+ { .offset = 0, .regno = 0, .count = 32, .bits = 64 }, /* r0..r31 */
+ };
+
+#define PRSTATUS_REGSET_ITEMS \
+ { \
+ .name = "orig_a0", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 32 * 8), \
+ .group = "register"
\
+ }, \
+ { \
+ .name = "csr_era", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 33 * 8), \
+ .group = "register", \
+ .pc_register = true
\
+ }, \
+ { \
+ .name = "csr_badvaddr", .type = ELF_T_XWORD, .format = 'x',
\
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 34 * 8), \
+ .group = "register"
\
+ }, \
+ { \
+ .name = "csr_crmd", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 35 * 8), \
+ .group = "register"
\
+ }, \
+ { \
+ .name = "csr_prmd", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 36 * 8), \
+ .group = "register"
\
+ }, \
+ { \
+ .name = "csr_euen", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 37 * 8), \
+ .group = "register"
\
+ }, \
+ { \
+ .name = "csr_ecfg", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 38 * 8), \
+ .group = "register"
\
+ }, \
+ { \
+ .name = "csr_estat", .type = ELF_T_XWORD, .format = 'x', \
+ .offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ + 39 * 8), \
+ .group = "register"
\
+ }
+ /* 40 ~ 44 reserved */
+
+#include "linux-core-note.c"
diff --git a/backends/loongarch_init.c b/backends/loongarch_init.c
index 808ff131..2f0d46c9 100644
--- a/backends/loongarch_init.c
+++ b/backends/loongarch_init.c
@@ -49,6 +49,7 @@ loongarch_init (Elf *elf __attribute__ ((unused)),
HOOK (eh, reloc_simple_type);
HOOK (eh, machine_flag_check);
HOOK (eh, register_info);
+ HOOK (eh, core_note);
HOOK (eh, abi_cfi);
/* gcc/config/ #define DWARF_FRAME_REGISTERS. */
eh->frame_nregs = 74;
--
2.37.1
