!92 Resolve loongarch64 patch add error and add support for loongarch64

From: @dpdwaj 
Reviewed-by: @wangbin224 
Signed-off-by: @wangbin224

0003-crash-8.0.4-add-support-for-loongarch64.patch

@@ -1,125 +1,175 @@
-From b9e0a25e29a897161360a44b1c206368f7d99310 Mon Sep 17 00:00:00 2001
-From: Ming Wang <wangming01@loongson.cn>
-Date: Mon, 10 Jul 2023 14:04:37 +0800
-Subject: [PATCH] crash: add loongarch support.
+From 0630f9aac4a41f14d1f30862ae41dd28aeb61d0e Mon Sep 17 00:00:00 2001
+From: doupengda <doupengda@loongson.cn>
+Date: Tue, 16 Apr 2024 01:44:30 +0000
+Subject: [PATCH] crash 8.0.4 add support for loongarch64
 
-Signed-off-by: Ming Wang <wangming01@loongson.cn>
 ---
- Makefile                 |     9 +-
- README                   |     4 +-
- configure.c              |    27 +-
+ .rh_rpm_package          |     1 -
+ Makefile                 |    26 +-
+ README                   |     2 +-
+ configure.c              |    28 +-
  crash.8                  |     2 +-
- defs.h                   |   160 +-
- diskdump.c               |    26 +-
+ defs.h                   |   162 +-
+ diskdump.c               |    22 +-
  gdb-10.2-loongarch.patch | 15207 +++++++++++++++++++++++++++++++++++++
- gdb_interface.c          |     1 -
- help.c                   |     9 +-
- lkcd_vmdump_v1.h         |     2 +
+ help.c                   |     2 +-
+ lkcd_vmdump_v1.h         |     2 +-
  lkcd_vmdump_v2_v3.h      |     4 +-
  loongarch64.c            |  1347 ++++
  main.c                   |     3 +-
- netdump.c                |    28 +-
+ netdump.c                |    26 +-
  ramdump.c                |     2 +
- symbols.c                |    26 +-
- 16 files changed, 16836 insertions(+), 21 deletions(-)
+ symbols.c                |    23 +-
+ 16 files changed, 16831 insertions(+), 28 deletions(-)
+ delete mode 100644 .rh_rpm_package
  create mode 100644 gdb-10.2-loongarch.patch
  create mode 100644 loongarch64.c
 
+diff --git a/.rh_rpm_package b/.rh_rpm_package
+deleted file mode 100644
+index 50c496d..0000000
+--- a/.rh_rpm_package
++++ /dev/null
+@@ -1 +0,0 @@
+-8.0.4
 diff --git a/Makefile b/Makefile
-index 79aef17..d26d2e2 100644
+index 6f94f25..83cff8f 100644
 --- a/Makefile
 +++ b/Makefile
-@@ -64,7 +64,7 @@ CFILES=main.c tools.c global_data.c memory.c filesys.c help.c task.c \
+@@ -24,7 +24,7 @@ PROGRAM=crash
+ # Supported targets: X86 ALPHA PPC IA64 PPC64 SPARC64
+ # TARGET and GDB_CONF_FLAGS will be configured automatically by configure
+ #
+-TARGET=
++TARGET=LOONGARCH64
+ GDB_CONF_FLAGS=
+ 
+ ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
+@@ -35,10 +35,10 @@ endif
+ #
+ # GDB, GDB_FILES, GDB_OFILES and GDB_PATCH_FILES will be configured automatically by configure 
+ #
+-GDB=
+-GDB_FILES=
+-GDB_OFILES=
+-GDB_PATCH_FILES=
++GDB=gdb-10.2
++GDB_FILES=${GDB_10.2_FILES}
++GDB_OFILES=${GDB_10.2_OFILES}
++GDB_PATCH_FILES=gdb-10.2.patch
+ 
+ #
+ # Default installation directory
+@@ -65,7 +65,7 @@ CFILES=main.c tools.c global_data.c memory.c filesys.c help.c task.c \
  	kernel.c test.c gdb_interface.c configure.c net.c dev.c bpf.c \
  	printk.c \
  	alpha.c x86.c ppc.c ia64.c s390.c s390x.c s390dbf.c ppc64.c x86_64.c \
--	arm.c arm64.c mips.c mips64.c sparc64.c \
-+	arm.c arm64.c mips.c mips64.c sparc64.c loongarch64.c\
+-	arm.c arm64.c mips.c mips64.c riscv64.c sparc64.c \
++	arm.c arm64.c mips.c mips64.c riscv64.c sparc64.c loongarch64.c \
  	extensions.c remote.c va_server.c va_server_v1.c symbols.c cmdline.c \
  	lkcd_common.c lkcd_v1.c lkcd_v2_v3.c lkcd_v5.c lkcd_v7.c lkcd_v8.c\
  	lkcd_fix_mem.c s390_dump.c lkcd_x86_trace.c \
-@@ -84,7 +84,7 @@ OBJECT_FILES=main.o tools.o global_data.o memory.o filesys.o help.o task.o \
+@@ -85,7 +85,7 @@ OBJECT_FILES=main.o tools.o global_data.o memory.o filesys.o help.o task.o \
  	build_data.o kernel.o test.o gdb_interface.o net.o dev.o bpf.o \
  	printk.o \
  	alpha.o x86.o ppc.o ia64.o s390.o s390x.o s390dbf.o ppc64.o x86_64.o \
--	arm.o arm64.o mips.o mips64.o sparc64.o \
-+	arm.o arm64.o mips.o mips64.o sparc64.o loongarch64.o\
+-	arm.o arm64.o mips.o mips64.o riscv64.o sparc64.o \
++	arm.o arm64.o mips.o mips64.o riscv64.o sparc64.o loongarch64.o \
  	extensions.o remote.o va_server.o va_server_v1.o symbols.o cmdline.o \
  	lkcd_common.o lkcd_v1.o lkcd_v2_v3.o lkcd_v5.o lkcd_v7.o lkcd_v8.o \
  	lkcd_fix_mem.o s390_dump.o netdump.o diskdump.o makedumpfile.o xendump.o \
-@@ -292,6 +292,8 @@ gdb_unzip:
+@@ -190,7 +190,7 @@ GDB_10.2_OFILES=${GDB}/gdb/symtab.o crash_target.o
+ # 
+ # GDB_FLAGS is passed up from the gdb Makefile.
+ #
+-GDB_FLAGS=
++GDB_FLAGS=-DGDB_10_2
+ 
+ #
+ # WARNING_OPTIONS and WARNING_ERROR are both applied on a per-file basis. 
+@@ -207,7 +207,7 @@ TARGET_CFLAGS=
+ 
+ CRASH_CFLAGS=-g -D${TARGET} ${TARGET_CFLAGS} ${GDB_FLAGS} ${CFLAGS}
+ 
+-GPL_FILES=
++GPL_FILES=COPYING3
+ TAR_FILES=${SOURCE_FILES} Makefile ${GPL_FILES} README .rh_rpm_package crash.8 \
+ 	${EXTENSION_SOURCE_FILES} ${MEMORY_DRIVER_FILES}
+ CSCOPE_FILES=${SOURCE_FILES}
+@@ -292,7 +292,9 @@ gdb_unzip:
+ 
  gdb_patch:
  	if [ -f ${GDB}.patch ] && [ -s ${GDB}.patch ]; then \
- 		patch -p0 < ${GDB}.patch; cp ${GDB}.patch ${GDB}; fi
+-		patch -p0 < ${GDB}.patch; cp ${GDB}.patch ${GDB}; fi
++		patch -p0 < ${GDB}.patch; cp ${GDB}.patch ${GDB}; fi 
 +	if [ -f ${GDB}-loongarch.patch ] && [ -s ${GDB}-loongarch.patch ]; then \
 +		patch -p0 < ${GDB}-loongarch.patch; cp ${GDB}-loongarch.patch ${GDB}; fi 
  
  library: ${OBJECT_FILES}
  	ar -rs ${PROGRAM}lib.a ${OBJECT_FILES}
-@@ -441,6 +443,9 @@ mips64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} mips64.c
+@@ -445,6 +447,10 @@ riscv64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} riscv64.c
  sparc64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} sparc64.c
  	${CC} -c ${CRASH_CFLAGS} sparc64.c ${WARNING_OPTIONS} ${WARNING_ERROR}
  
 +loongarch64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} loongarch64.c
 +	${CC} -c ${CRASH_CFLAGS} loongarch64.c ${WARNING_OPTIONS} ${WARNING_ERROR}
++
 +
  s390.o: ${GENERIC_HFILES} ${IBM_HFILES} s390.c
  	${CC} -c ${CRASH_CFLAGS} s390.c ${WARNING_OPTIONS} ${WARNING_ERROR}
  
 diff --git a/README b/README
-index 1f98fbf..de3bdf9 100644
+index 6ecdd10..4392712 100644
 --- a/README
 +++ b/README
-@@ -37,8 +37,8 @@
+@@ -37,7 +37,7 @@
    These are the current prerequisites: 
  
    o  At this point, x86, ia64, x86_64, ppc64, ppc, arm, arm64, alpha, mips,
--     mips64, s390 and s390x-based kernels are supported.  Other architectures
--     may be addressed in the future.
-+     mips64, loongarch64, s390 and s390x-based kernels are supported.  Other
-+     architectures may be addressed in the future.
+-     mips64, riscv64, s390 and s390x-based kernels are supported.  Other
++     mips64, riscv64, loongarch64, s390 and s390x-based kernels are supported.  Other
+      architectures may be addressed in the future.
  
    o  One size fits all -- the utility can be run on any Linux kernel version
-      version dating back to 2.2.5-15.  A primary design goal is to always
 diff --git a/configure.c b/configure.c
-index 5188851..9d038f5 100644
+index 08b52be..a6895ec 100644
 --- a/configure.c
 +++ b/configure.c
-@@ -107,6 +107,7 @@ void add_extra_lib(char *);
- #undef MIPS
+@@ -108,6 +108,7 @@ void add_extra_lib(char *);
  #undef SPARC64
  #undef MIPS64
+ #undef RISCV64
 +#undef LOONGARCH64
  
  #define UNKNOWN 0
  #define X86     1
-@@ -122,6 +123,7 @@ void add_extra_lib(char *);
- #define MIPS    11
+@@ -124,6 +125,7 @@ void add_extra_lib(char *);
  #define SPARC64 12
  #define MIPS64  13
-+#define LOONGARCH64	14
+ #define RISCV64 14
++#define LOONGARCH64    15
  
  #define TARGET_X86    "TARGET=X86"
  #define TARGET_ALPHA  "TARGET=ALPHA"
-@@ -136,6 +138,7 @@ void add_extra_lib(char *);
- #define TARGET_MIPS   "TARGET=MIPS"
+@@ -139,6 +141,7 @@ void add_extra_lib(char *);
  #define TARGET_MIPS64 "TARGET=MIPS64"
  #define TARGET_SPARC64 "TARGET=SPARC64"
+ #define TARGET_RISCV64 "TARGET=RISCV64"
 +#define TARGET_LOONGARCH64     "TARGET=LOONGARCH64"
  
  #define TARGET_CFLAGS_X86    "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
  #define TARGET_CFLAGS_ALPHA  "TARGET_CFLAGS="
-@@ -158,6 +161,7 @@ void add_extra_lib(char *);
- #define TARGET_CFLAGS_MIPS_ON_X86_64  "TARGET_CFLAGS=-m32 -D_FILE_OFFSET_BITS=64"
- #define TARGET_CFLAGS_MIPS64          "TARGET_CFLAGS="
+@@ -163,6 +166,7 @@ void add_extra_lib(char *);
  #define TARGET_CFLAGS_SPARC64         "TARGET_CFLAGS="
+ #define TARGET_CFLAGS_RISCV64         "TARGET_CFLAGS="
+ #define TARGET_CFLAGS_RISCV64_ON_X86_64	"TARGET_CFLAGS="
 +#define TARGET_CFLAGS_LOONGARCH64     "TARGET_CFLAGS="
  
  #define GDB_TARGET_DEFAULT        "GDB_CONF_FLAGS="
  #define GDB_TARGET_ARM_ON_X86     "GDB_CONF_FLAGS=--target=arm-elf-linux"
-@@ -404,6 +408,9 @@ get_current_configuration(struct supported_gdb_version *sp)
- #ifdef __sparc_v9__
- 	target_data.target = SPARC64;
+@@ -413,6 +417,9 @@ get_current_configuration(struct supported_gdb_version *sp)
+ #if defined(__riscv) && (__riscv_xlen == 64)
+ 	target_data.target = RISCV64;
  #endif
 +#ifdef __loongarch64
 +       target_data.target = LOONGARCH64;
@@ -127,20 +177,21 @@ index 5188851..9d038f5 100644
  
  	set_initial_target(sp);
  
-@@ -497,6 +504,10 @@ get_current_configuration(struct supported_gdb_version *sp)
- 		    (target_data.target != MIPS64))
- 			arch_mismatch(sp);
- 
-+		if ((target_data.initial_gdb_target == LOONGARCH64) &&
-+		(target_data.target != LOONGARCH64))
+@@ -472,7 +479,10 @@ get_current_configuration(struct supported_gdb_version *sp)
+ 			 *  Build an RISCV64 crash binary on an X86_64 host.
+ 			 */
+ 			target_data.target = RISCV64;
+-		} else {
++		} else if ((target_data.initial_gdb_target == LOONGARCH64) &&
++                        (target_data.target != LOONGARCH64)) {
 +                              arch_mismatch(sp);
-+
- 		if ((target_data.initial_gdb_target == X86) &&
- 		    (target_data.target != X86)) {
- 			if (target_data.target == X86_64) 
-@@ -660,6 +671,9 @@ show_configuration(void)
- 	case SPARC64:
- 		printf("TARGET: SPARC64\n");
++	        } else {
+ 			fprintf(stderr,
+ 			    "\ntarget=%s is not supported on the %s host architecture\n\n",
+ 				target_data.target_as_param,
+@@ -686,6 +696,9 @@ show_configuration(void)
+ 	case RISCV64:
+ 		printf("TARGET: RISCV64\n");
  		break;
 +       case LOONGARCH64:
 +               printf("TARGET: LOONGARCH64\n");
@@ -148,9 +199,9 @@ index 5188851..9d038f5 100644
  	}
  
  	if (strlen(target_data.program)) {
-@@ -777,6 +791,10 @@ build_configure(struct supported_gdb_version *sp)
- 		target = TARGET_SPARC64;
- 		target_CFLAGS = TARGET_CFLAGS_SPARC64;
+@@ -811,6 +824,10 @@ build_configure(struct supported_gdb_version *sp)
+ 		} else
+ 			target_CFLAGS = TARGET_CFLAGS_RISCV64;
  		break;
 +       case LOONGARCH64:
 +               target = TARGET_LOONGARCH64;
@@ -159,36 +210,36 @@ index 5188851..9d038f5 100644
  	}
  
  	ldflags = get_extra_flags("LDFLAGS.extra", NULL);
-@@ -1374,7 +1392,7 @@ make_spec_file(struct supported_gdb_version *sp)
+@@ -1408,7 +1425,7 @@ make_spec_file(struct supported_gdb_version *sp)
  	printf("Vendor: Red Hat, Inc.\n");
  	printf("Packager: Dave Anderson <anderson@redhat.com>\n");
  	printf("ExclusiveOS: Linux\n");
--	printf("ExclusiveArch: %%{ix86} alpha ia64 ppc ppc64 ppc64pseries ppc64iseries x86_64 s390 s390x arm aarch64 ppc64le mips mipsel mips64el sparc64\n");
-+	printf("ExclusiveArch: %%{ix86} alpha ia64 ppc ppc64 ppc64pseries ppc64iseries x86_64 s390 s390x arm aarch64 ppc64le mips mipsel mips64el sparc64 loongarch64\n");
+-	printf("ExclusiveArch: %%{ix86} alpha ia64 ppc ppc64 ppc64pseries ppc64iseries x86_64 s390 s390x arm aarch64 ppc64le mips mipsel mips64el sparc64 riscv64\n");
++	printf("ExclusiveArch: %%{ix86} alpha ia64 ppc ppc64 ppc64pseries ppc64iseries x86_64 s390 s390x arm aarch64 ppc64le mips mipsel mips64el sparc64 riscv64 loongarch64\n");
  	printf("Buildroot: %%{_tmppath}/%%{name}-root\n");
  	printf("BuildRequires: ncurses-devel zlib-devel bison\n");
  	printf("Requires: binutils\n");
-@@ -1613,6 +1631,8 @@ set_initial_target(struct supported_gdb_version *sp)
- 		target_data.initial_gdb_target = MIPS;
- 	else if (strncmp(buf, "SPARC64", strlen("SPARC64")) == 0)
- 		target_data.initial_gdb_target = SPARC64;
+@@ -1643,6 +1660,8 @@ set_initial_target(struct supported_gdb_version *sp)
+ 		target_data.initial_gdb_target = ARM;
+ 	else if (strncmp(buf, "MIPS64", strlen("MIPS64")) == 0)
+ 		target_data.initial_gdb_target = MIPS64;
 +        else if (strncmp(buf, "LOONGARCH64", strlen("LOONGARCH64")) == 0)
 +                target_data.initial_gdb_target = LOONGARCH64;	
- }
- 
- char *
-@@ -1633,6 +1653,7 @@ target_to_name(int target)
- 	case MIPS:   return("MIPS");
+ 	else if (strncmp(buf, "MIPS", strlen("MIPS")) == 0)
+ 		target_data.initial_gdb_target = MIPS;
+ 	else if (strncmp(buf, "SPARC64", strlen("SPARC64")) == 0)
+@@ -1670,6 +1689,7 @@ target_to_name(int target)
  	case MIPS64: return("MIPS64");
  	case SPARC64: return("SPARC64");
+ 	case RISCV64: return("RISCV64");
 +        case LOONGARCH64: return("LOONGARCH64");		      
  	}
  
  	return "UNKNOWN";
-@@ -1697,6 +1718,10 @@ name_to_target(char *name)
- 		return MIPS64;
- 	else if (strncmp(name, "sparc64", strlen("sparc64")) == 0)
- 		return SPARC64;
+@@ -1738,6 +1758,10 @@ name_to_target(char *name)
+ 		return RISCV64;
+ 	else if (strncmp(name, "riscv64", strlen("riscv64")) == 0)
+ 		return RISCV64;
 +       else if (strncmp(name, "loongarch64", strlen("loongarch64")) == 0)
 +               return LOONGARCH64;
 +       else if (strncmp(name, "LOONGARCH64", strlen("LOONGARCH64")) == 0)
@@ -197,7 +248,7 @@ index 5188851..9d038f5 100644
  	return UNKNOWN;
  }
 diff --git a/crash.8 b/crash.8
-index e553a0b..0662f92 100644
+index e553a0b..bcd492d 100644
 --- a/crash.8
 +++ b/crash.8
 @@ -491,7 +491,7 @@ Search for the kernel source code in directory instead of in the
@@ -205,44 +256,44 @@ index e553a0b..0662f92 100644
  .TP
  .BI --kaslr \ offset | auto
 -If an x86_64 kernel was configured with 
-+If an x86, x86_64, s390x or loongarch64 kernel was configured with
++If an x86_64 loongarch64 kernel was configured with 
  .B CONFIG_RANDOMIZE_BASE,
  the offset value is equal to the difference between the symbol values 
  compiled into the vmlinux file and their relocated KASLR values.  If set to
 diff --git a/defs.h b/defs.h
-index afdcf6c..dc8f2e0 100644
+index deef1d5..2d1ef9a 100644
 --- a/defs.h
 +++ b/defs.h
 @@ -76,7 +76,7 @@
  #if !defined(X86) && !defined(X86_64) && !defined(ALPHA) && !defined(PPC) && \
      !defined(IA64) && !defined(PPC64) && !defined(S390) && !defined(S390X) && \
      !defined(ARM) && !defined(ARM64) && !defined(MIPS) && !defined(MIPS64) && \
--    !defined(SPARC64)
-+    !defined(SPARC64) && !defined(LOONGARCH64)
+-    !defined(RISCV64) && !defined(SPARC64)
++    !defined(RISCV64) && !defined(SPARC64) && !defined(LOONGARCH64)
  #ifdef __alpha__
  #define ALPHA
  #endif
-@@ -118,6 +118,9 @@
- #ifdef __sparc_v9__
- #define SPARC64
+@@ -108,6 +108,9 @@
+ #ifdef __aarch64__
+ #define ARM64
  #endif
 +#ifdef __loongarch64
 +#define LOONGARCH64
 +#endif
- #endif
- 
- #ifdef X86
+ #ifdef __mipsel__
+ #ifndef __mips64
+ #define MIPS
 @@ -159,6 +162,9 @@
- #ifdef SPARC64
- #define NR_CPUS  (4096)
+ #ifdef MIPS64
+ #define NR_CPUS  (256)
  #endif
 +#ifdef LOONGARCH64
 +#define NR_CPUS  (256)
 +#endif
- 
- #define NR_DEVICE_DUMPS (64)
- 
-@@ -2005,6 +2011,8 @@ struct offset_table {                    /* stash of commonly-used offsets */
+ #ifdef SPARC64
+ #define NR_CPUS  (4096)
+ #endif
+@@ -2016,6 +2022,8 @@ struct offset_table {                    /* stash of commonly-used offsets */
  	long atomic_t_counter;
  	long percpu_counter_count;
  	long mm_struct_mm_count;
@@ -251,9 +302,9 @@ index afdcf6c..dc8f2e0 100644
  	long task_struct_thread_reg29;
  	long task_struct_thread_reg31;
  	long pt_regs_regs;
-@@ -3484,6 +3492,43 @@ struct arm64_stackframe {
- #define _MAX_PHYSMEM_BITS       48
- #endif  /* MIPS64 */
+@@ -3498,6 +3506,44 @@ struct arm64_stackframe {
+ 
+ #endif  /* ARM64 */
  
 +#ifdef LOONGARCH64
 +#define        _64BIT_
@@ -292,10 +343,11 @@ index afdcf6c..dc8f2e0 100644
 +#define _MAX_PHYSMEM_BITS      48
 +#endif  /* LOONGARCH64 */
 +
- #ifdef X86
++
+ #ifdef MIPS
  #define _32BIT_
- #define MACHINE_TYPE       "X86"
-@@ -4532,6 +4577,10 @@ struct machine_specific {
+ #define MACHINE_TYPE		"MIPS"
+@@ -4770,6 +4816,10 @@ struct machine_specific {
  #define MAX_HEXADDR_STRLEN (16)
  #define UVADDR_PRLEN       (16)
  #endif
@@ -306,19 +358,20 @@ index afdcf6c..dc8f2e0 100644
  
  #define BADADDR  ((ulong)(-1))
  #define BADVAL   ((ulong)(-1))
-@@ -5130,6 +5179,9 @@ void dump_build_data(void);
+@@ -5391,6 +5441,10 @@ void dump_build_data(void);
  #ifdef SPARC64
  #define machdep_init(X) sparc64_init(X)
  #endif
 +#ifdef LOONGARCH64
 +#define machdep_init(X) loongarch64_init(X)
 +#endif
++
  int clean_exit(int);
  int untrusted_file(FILE *, char *);
  char *readmem_function_name(void);
-@@ -5607,6 +5659,9 @@ void display_help_screen(char *);
- #ifdef SPARC64
- #define dump_machdep_table(X) sparc64_dump_machdep_table(X)
+@@ -5882,6 +5936,9 @@ void display_help_screen(char *);
+ #ifdef RISCV64
+ #define dump_machdep_table(X) riscv64_dump_machdep_table(X)
  #endif
 +#ifdef LOONGARCH64
 +#define dump_machdep_table(X) loongarch64_dump_machdep_table(X)
@@ -326,7 +379,7 @@ index afdcf6c..dc8f2e0 100644
  extern char *help_pointer[];
  extern char *help_alias[];
  extern char *help_ascii[];
-@@ -6695,6 +6750,109 @@ int sparc64_vmalloc_addr(ulong);
+@@ -7086,6 +7143,109 @@ int sparc64_vmalloc_addr(ulong);
  	error(FATAL, "The -d option is not applicable to sparc64.\n")
  #endif
  
@@ -437,12 +490,12 @@ index afdcf6c..dc8f2e0 100644
   *  netdump.c 
   */
 diff --git a/diskdump.c b/diskdump.c
-index 2c1f9be..b3fbe8f 100644
+index 7fbbbf5..8a20f5d 100644
 --- a/diskdump.c
 +++ b/diskdump.c
-@@ -622,6 +622,9 @@ restart:
- 	else if (STRNEQ(header->utsname.machine, "aarch64") &&
- 	    machine_type_mismatch(file, "ARM64", NULL, 0))
+@@ -686,6 +686,9 @@ restart:
+ 	else if (STRNEQ(header->utsname.machine, "riscv64") &&
+ 	    machine_type_mismatch(file, "RISCV64", NULL, 0))
  		goto err;
 +        else if (STRNEQ(header->utsname.machine, "loongarch64") &&
 +            machine_type_mismatch(file, "LOONGARCH64", NULL, 0))
@@ -450,16 +503,16 @@ index 2c1f9be..b3fbe8f 100644
  
  	if (header->block_size != block_size) {
  		block_size = header->block_size;
-@@ -780,6 +783,8 @@ restart:
- 		dd->machine_type = EM_AARCH64;
- 	else if (machine_type("SPARC64"))
+@@ -846,6 +849,8 @@ restart:
  		dd->machine_type = EM_SPARCV9;
+ 	else if (machine_type("RISCV64"))
+ 		dd->machine_type = EM_RISCV;
 +        else if (machine_type("LOONGARCH64"))
 +                dd->machine_type = EM_LOONGARCH;	
  	else {
  		error(INFO, "%s: unsupported machine type: %s\n", 
  			DISKDUMP_VALID() ? "diskdump" : "compressed kdump",
-@@ -1526,6 +1531,12 @@ get_diskdump_regs_mips(struct bt_info *bt, ulong *eip, ulong *esp)
+@@ -1600,6 +1605,12 @@ get_diskdump_regs_mips(struct bt_info *bt, ulong *eip, ulong *esp)
  	machdep->get_stack_frame(bt, eip, esp);
  }
  
@@ -470,30 +523,28 @@ index 2c1f9be..b3fbe8f 100644
 +}
 +
  static void
- get_diskdump_regs_sparc64(struct bt_info *bt, ulong *eip, ulong *esp)
+ get_diskdump_regs_riscv64(struct bt_info *bt, ulong *eip, ulong *esp)
  {
-@@ -1605,6 +1616,10 @@ get_diskdump_regs(struct bt_info *bt, ulong *eip, ulong *esp)
- 		get_diskdump_regs_sparc64(bt, eip, esp);
+@@ -1688,6 +1699,9 @@ get_diskdump_regs(struct bt_info *bt, ulong *eip, ulong *esp)
+ 	case EM_RISCV:
+ 		get_diskdump_regs_riscv64(bt, eip, esp);
  		break;
- 
 +        case EM_LOONGARCH:
 +                get_diskdump_regs_loongarch64(bt, eip, esp);
 +                break;		
-+
+ 
  	default:
  		error(FATAL, "%s: unsupported machine type: %s\n",
- 			DISKDUMP_VALID() ? "diskdump" : "compressed kdump",
-@@ -1751,7 +1766,8 @@ dump_note_offsets(FILE *fp)
- 			qemu = FALSE;
+@@ -1836,7 +1850,7 @@ dump_note_offsets(FILE *fp)
  			if (machine_type("X86_64") || machine_type("S390X") ||
  			    machine_type("ARM64") || machine_type("PPC64") ||
--			    machine_type("SPARC64") || machine_type("MIPS64")) {
-+			    machine_type("SPARC64") || machine_type("MIPS64") ||
-+			    machine_type("LOONGARCH64")) {
+ 			    machine_type("SPARC64") || machine_type("MIPS64") ||
+-			    machine_type("RISCV64")) {
++			    machine_type("RISCV64") || machine_type("LOONGARCH64")) {
  				note64 = (void *)dd->notes_buf + tot;
  				len = sizeof(Elf64_Nhdr);
  				if (STRNEQ((char *)note64 + len, "QEMU"))
-@@ -1862,6 +1878,8 @@ __diskdump_memory_dump(FILE *fp)
+@@ -1947,6 +1961,8 @@ __diskdump_memory_dump(FILE *fp)
  		fprintf(fp, "(EM_AARCH64)\n"); break;
  	case EM_SPARCV9:
  		fprintf(fp, "(EM_SPARCV9)\n"); break;
@@ -502,23 +553,21 @@ index 2c1f9be..b3fbe8f 100644
  	default:
  		fprintf(fp, "(unknown)\n"); break;
  	}
-@@ -2548,6 +2566,9 @@ diskdump_display_regs(int cpu, FILE *ofp)
+@@ -2633,6 +2649,8 @@ diskdump_display_regs(int cpu, FILE *ofp)
  
  	if (machine_type("MIPS64"))
  		mips64_display_regs_from_elf_notes(cpu, ofp);
-+
 +        if (machine_type("LOONGARCH64"))
 +                loongarch64_display_regs_from_elf_notes(cpu, ofp);	
  }
  
  void
-@@ -2558,7 +2579,8 @@ dump_registers_for_compressed_kdump(void)
- 	if (!KDUMP_CMPRS_VALID() || (dd->header->header_version < 4) ||
+@@ -2644,7 +2662,7 @@ dump_registers_for_compressed_kdump(void)
  	    !(machine_type("X86") || machine_type("X86_64") ||
  	      machine_type("ARM64") || machine_type("PPC64") ||
--	      machine_type("MIPS") || machine_type("MIPS64")))
-+	      machine_type("MIPS") || machine_type("MIPS64") ||
-+	      machine_type("LOONGARCH64")))
+ 	      machine_type("MIPS") || machine_type("MIPS64") ||
+-	      machine_type("RISCV64")))
++	      machine_type("RISCV64") || machine_type("LOONGARCH64")))
  		error(FATAL, "-r option not supported for this dumpfile\n");
  
  	if (machine_type("ARM64") && (kt->cpus != dd->num_prstatus_notes))
@@ -15735,80 +15784,53 @@ index 0000000..d5a65d0
 +-- 
 +2.33.0
 +
-diff --git a/gdb_interface.c b/gdb_interface.c
-index b14319c..e7b65ac 100644
---- a/gdb_interface.c
-+++ b/gdb_interface.c
-@@ -973,7 +973,6 @@ gdb_error_debug(void)
- 
- }
- 
--
- /*
-  *  gdb callback to access debug mode. 
-  */
 diff --git a/help.c b/help.c
-index 99214c1..3662dad 100644
+index cc7ab20..c36a6f1 100644
 --- a/help.c
 +++ b/help.c
-@@ -336,10 +336,11 @@ char *program_usage_info[] = {
+@@ -336,7 +336,7 @@ char *program_usage_info[] = {
      "    and verification.  The default count is 32768.",
      "",
      "  --kaslr offset | auto",
 -    "    If x86, x86_64 or s390x kernel was configured with CONFIG_RANDOMIZE_BASE,",
--    "    the offset value is equal to the difference between the symbol values ",
--    "    compiled into the vmlinux file and their relocated KASLR value.  If", 
--    "    set to auto, the KASLR offset value will be automatically calculated.",
-+    "    If x86, x86_64, s390x or loongarch64 kernel was configured with",
-+    "    CONFIG_RANDOMIZE_BASE, the offset value is equal to the difference",
-+    "    between the symbol values compiled into the vmlinux file and their",
-+    "    relocated KASLR value.  If set to auto, the KASLR offset value will",
-+    "    be automatically calculated.",
-     "",
-     "  --minimal",
-     "    Bring up a session that is restricted to the log, dis, rd, sym,",
++    "    If x86, x86_64 loongarch64 or s390x kernel was configured with CONFIG_RANDOMIZE_BASE,",
+     "    the offset value is equal to the difference between the symbol values ",
+     "    compiled into the vmlinux file and their relocated KASLR value.  If", 
+     "    set to auto, the KASLR offset value will be automatically calculated.",
 diff --git a/lkcd_vmdump_v1.h b/lkcd_vmdump_v1.h
-index 4933427..841f150 100644
+index 98ee094..3ffb219 100644
 --- a/lkcd_vmdump_v1.h
 +++ b/lkcd_vmdump_v1.h
-@@ -118,10 +118,12 @@ typedef struct _dump_header_s {
- #ifndef S390
- #ifndef S390X
- #ifndef ARM64
-+#ifndef LOONGARCH64
+@@ -114,7 +114,7 @@ typedef struct _dump_header_s {
+ 	struct new_utsname   dh_utsname;
+ 
+ 	/* the dump registers */
+-#if !defined(IA64) && !defined(S390) && !defined(S390X) && !defined(ARM64) && !defined(RISCV64)
++#if !defined(IA64) && !defined(S390) && !defined(S390X) && !defined(ARM64) && !defined(RISCV64) && !defined(LOONGARCH64)
  	struct pt_regs       dh_regs;
- #endif
- #endif
- #endif
-+#endif
  #endif
  
- 	/* the address of the current task */
 diff --git a/lkcd_vmdump_v2_v3.h b/lkcd_vmdump_v2_v3.h
-index 984c2c2..ab395ea 100644
+index ef3067f..2113c59 100644
 --- a/lkcd_vmdump_v2_v3.h
 +++ b/lkcd_vmdump_v2_v3.h
 @@ -37,7 +37,7 @@
  
  #if defined(ARM) || defined(X86) || defined(PPC) || defined(S390) || \
  	defined(S390X) || defined(ARM64) || defined(MIPS) || \
--	defined(MIPS64) || defined(SPARC64)
-+	defined(MIPS64) || defined(SPARC64) || defined(LOONGARCH64)
+-	defined(MIPS64) || defined(SPARC64) || defined(RISCV64)
++	defined(MIPS64) || defined(SPARC64) || defined(RISCV64) || defined(LOONGARCH64)
  
  /*
   * Kernel header file for Linux crash dumps.
-@@ -87,10 +87,12 @@ typedef struct _dump_header_asm_s {
- #ifndef S390
- #ifndef S390X
- #ifndef ARM64
-+#ifndef LOONGARCH64
+@@ -84,7 +84,7 @@ typedef struct _dump_header_asm_s {
+ 	uint32_t             dha_eip;
+ 
+ 	/* the dump registers */
+-#if !defined(S390) && !defined(S390X) && !defined(ARM64) && !defined(RISCV64)
++#if !defined(S390) && !defined(S390X) && !defined(ARM64) && !defined(RISCV64) && !defined(LOONGARCH64)
  	struct pt_regs       dha_regs;
  #endif
- #endif
- #endif
-+#endif
- 
- } dump_header_asm_t;
  
 diff --git a/loongarch64.c b/loongarch64.c
 new file mode 100644
@@ -17164,45 +17186,44 @@ index 0000000..09df05a
 +
 +#endif /* !LOONGARCH64 */
 diff --git a/main.c b/main.c
-index b278c22..a70fd5e 100644
+index 4fd4ca5..71bcc15 100644
 --- a/main.c
 +++ b/main.c
 @@ -228,7 +228,8 @@ main(int argc, char **argv)
  			} else if (STREQ(long_options[option_index].name, "kaslr")) {
  				if (!machine_type("X86_64") &&
  				    !machine_type("ARM64") && !machine_type("X86") &&
--				    !machine_type("S390X"))
-+				    !machine_type("S390X") &&
+-				    !machine_type("S390X") && !machine_type("RISCV64"))
++				    !machine_type("S390X") && !machine_type("RISCV64") &&
 +				    !machine_type("LOONGARCH64"))
  					error(INFO, "--kaslr not valid "
  						"with this machine type.\n");
  				else if (STREQ(optarg, "auto"))
 diff --git a/netdump.c b/netdump.c
-index ff273b4..f8ce939 100644
+index 3907863..e977ae8 100644
 --- a/netdump.c
 +++ b/netdump.c
-@@ -42,6 +42,7 @@ static void get_netdump_regs_ppc64(struct bt_info *, ulong *, ulong *);
- static void get_netdump_regs_arm(struct bt_info *, ulong *, ulong *);
+@@ -43,6 +43,7 @@ static void get_netdump_regs_arm(struct bt_info *, ulong *, ulong *);
  static void get_netdump_regs_arm64(struct bt_info *, ulong *, ulong *);
  static void get_netdump_regs_mips(struct bt_info *, ulong *, ulong *);
+ static void get_netdump_regs_riscv(struct bt_info *, ulong *, ulong *);
 +static void get_netdump_regs_loongarch64(struct bt_info *, ulong *, ulong *);
  static void check_dumpfile_size(char *);
  static int proc_kcore_init_32(FILE *, int);
  static int proc_kcore_init_64(FILE *, int);
-@@ -300,6 +301,12 @@ is_netdump(char *file, ulong source_query)
+@@ -217,6 +218,11 @@ is_netdump(char *file, ulong source_query)
+ 			    source_query))
  				goto bailout;
  			break;
- 
 +		case EM_LOONGARCH:
 +			if (machine_type_mismatch(file, "LOONGARCH64", NULL,
 +			    source_query))
 +				goto bailout;
 +			break;			
-+
+ 
  		default:
  			if (machine_type_mismatch(file, "(unknown)", NULL,
- 			    source_query))
-@@ -1482,6 +1489,9 @@ dump_Elf32_Ehdr(Elf32_Ehdr *elf)
+@@ -1493,6 +1499,9 @@ dump_Elf32_Ehdr(Elf32_Ehdr *elf)
  	case EM_MIPS:
  		netdump_print("(EM_MIPS)\n");
  		break;
@@ -17212,7 +17233,7 @@ index ff273b4..f8ce939 100644
  	default:
  		netdump_print("(unsupported)\n");
  		break;
-@@ -1644,6 +1654,9 @@ dump_Elf64_Ehdr(Elf64_Ehdr *elf)
+@@ -1655,6 +1664,9 @@ dump_Elf64_Ehdr(Elf64_Ehdr *elf)
  	case EM_AARCH64:
                  netdump_print("(EM_AARCH64)\n");
                  break;
@@ -17222,8 +17243,8 @@ index ff273b4..f8ce939 100644
          default:
                  netdump_print("(unsupported)\n");
                  break;
-@@ -2669,6 +2682,10 @@ get_netdump_regs(struct bt_info *bt, ulong *eip, ulong *esp)
- 		return get_netdump_regs_mips(bt, eip, esp);
+@@ -2684,6 +2696,10 @@ get_netdump_regs(struct bt_info *bt, ulong *eip, ulong *esp)
+ 		get_netdump_regs_riscv(bt, eip, esp);
  		break;
  
 +	case EM_LOONGARCH:
@@ -17233,26 +17254,25 @@ index ff273b4..f8ce939 100644
  	default:
  		error(FATAL, 
  		   "support for ELF machine type %d not available\n",
-@@ -2925,6 +2942,8 @@ display_regs_from_elf_notes(int cpu, FILE *ofp)
- 		mips_display_regs_from_elf_notes(cpu, ofp);
- 	} else if (machine_type("MIPS64")) {
+@@ -2942,6 +2958,8 @@ display_regs_from_elf_notes(int cpu, FILE *ofp)
  		mips64_display_regs_from_elf_notes(cpu, ofp);
+ 	} else if (machine_type("RISCV64")) {
+ 		riscv64_display_regs_from_elf_notes(cpu, ofp);
 +	} else if (machine_type("LOONGARCH64")) {
 +		loongarch64_display_regs_from_elf_notes(cpu, ofp);		
  	}
  }
  
-@@ -2935,7 +2954,8 @@ dump_registers_for_elf_dumpfiles(void)
- 
+@@ -2953,7 +2971,7 @@ dump_registers_for_elf_dumpfiles(void)
          if (!(machine_type("X86") || machine_type("X86_64") || 
  	    machine_type("ARM64") || machine_type("PPC64") ||
--	    machine_type("MIPS") || machine_type("MIPS64")))
-+	    machine_type("MIPS") || machine_type("MIPS64") ||
-+	    machine_type("LOONGARCH64")))
+ 	    machine_type("MIPS") || machine_type("MIPS64") ||
+-	    machine_type("RISCV64")))
++	    machine_type("RISCV64") || machine_type("LOONGARCH64")))
                  error(FATAL, "-r option not supported for this dumpfile\n");
  
  	if (NETDUMP_DUMPFILE()) {
-@@ -3870,6 +3890,12 @@ get_netdump_regs_mips(struct bt_info *bt, ulong *eip, ulong *esp)
+@@ -3888,6 +3906,12 @@ get_netdump_regs_mips(struct bt_info *bt, ulong *eip, ulong *esp)
  	machdep->get_stack_frame(bt, eip, esp);
  }
  
@@ -17262,46 +17282,45 @@ index ff273b4..f8ce939 100644
 +	machdep->get_stack_frame(bt, eip, esp);
 +}
 +
- int 
- is_partial_netdump(void)
+ static void
+ get_netdump_regs_riscv(struct bt_info *bt, ulong *eip, ulong *esp)
  {
 diff --git a/ramdump.c b/ramdump.c
-index a206fcb..c32d9fd 100644
+index d2bd7ff..4b03f0f 100644
 --- a/ramdump.c
 +++ b/ramdump.c
-@@ -188,6 +188,8 @@ char *ramdump_to_elf(void)
- 		e_machine = EM_MIPS;
- 	else if (machine_type("X86_64"))
+@@ -190,6 +190,8 @@ char *ramdump_to_elf(void)
  		e_machine = EM_X86_64;
+ 	else if (machine_type("RISCV64"))
+ 		e_machine = EM_RISCV;
 +	else if (machine_type("LOONGARCH64"))
 +		e_machine = EM_LOONGARCH;	
  	else
  		error(FATAL, "ramdump: unsupported machine type: %s\n", 
  			MACHINE_TYPE);
 diff --git a/symbols.c b/symbols.c
-index 42c4eb4..4bdeaf7 100644
+index 8e8b4c3..83fa061 100644
 --- a/symbols.c
 +++ b/symbols.c
-@@ -593,7 +593,8 @@ kaslr_init(void)
+@@ -629,7 +629,7 @@ kaslr_init(void)
  	char *string;
  
  	if ((!machine_type("X86_64") && !machine_type("ARM64") && !machine_type("X86") &&
--	    !machine_type("S390X")) || (kt->flags & RELOC_SET))
-+	    !machine_type("S390X") && !machine_type("LOONGARCH64")) ||
-+	    (kt->flags & RELOC_SET))
+-	    !machine_type("S390X") && !machine_type("RISCV64")) || (kt->flags & RELOC_SET))
++	    !machine_type("S390X") && !machine_type("RISCV64") && !machine_type("LOONGARCH64")) || (kt->flags & RELOC_SET))
  		return;
  
  	if (!kt->vmcoreinfo._stext_SYMBOL &&
-@@ -759,7 +760,7 @@ store_symbols(bfd *abfd, int dynamic, void *minisyms, long symcount,
+@@ -795,7 +795,7 @@ store_symbols(bfd *abfd, int dynamic, void *minisyms, long symcount,
  		} else if (!(kt->flags & RELOC_SET))
  			kt->flags |= RELOC_FORCE;
  	} else if (machine_type("X86_64") || machine_type("ARM64") ||
--		   machine_type("S390X")) {
-+		   machine_type("S390X") || machine_type("LOONGARCH64")) {
+-		   machine_type("S390X") || machine_type("RISCV64")) {
++		   machine_type("S390X") || machine_type("RISCV64") || machine_type("LOONGARCH64")) {
  		if ((kt->flags2 & RELOC_AUTO) && !(kt->flags & RELOC_SET))
  			derive_kaslr_offset(abfd, dynamic, from,
  				fromend, size, store);
-@@ -831,7 +832,8 @@ store_sysmap_symbols(void)
+@@ -867,7 +867,8 @@ store_sysmap_symbols(void)
                          strerror(errno));
  
  	if (!machine_type("X86") && !machine_type("X86_64") &&
@@ -17311,7 +17330,7 @@ index 42c4eb4..4bdeaf7 100644
  		kt->flags &= ~RELOC_SET;
  
  	first = 0;
-@@ -2490,9 +2492,11 @@ store_module_kallsyms_v2(struct load_module *lm, int start, int curr,
+@@ -2976,9 +2977,11 @@ store_module_kallsyms_v2(struct load_module *lm, int start, int curr,
  		/*
  		 * On ARM/ARM64 we have linker mapping symbols like '$a'
  		 * or '$x' for ARM64, and '$d'.
@@ -17324,23 +17343,21 @@ index 42c4eb4..4bdeaf7 100644
  		    !machdep->verify_symbol(nameptr, ec->st_value, ec->st_info))
  			continue;
  
-@@ -3694,6 +3698,11 @@ is_kernel(char *file)
+@@ -4228,6 +4231,10 @@ is_kernel(char *file)
+ 			if (machine_type_mismatch(file, "SPARC64", NULL, 0))
  				goto bailout;
  			break;
- 
 +		case EM_LOONGARCH:
 +			if (machine_type_mismatch(file, "LOONGARCH64", NULL, 0))
 +				goto bailout;
 +			break;			
-+
+ 
  		default:
  			if (machine_type_mismatch(file, "(unknown)", NULL, 0))
- 				goto bailout;
-@@ -4002,6 +4011,11 @@ is_shared_object(char *file)
- 			if (machine_type("MIPS64"))
+@@ -4495,6 +4502,10 @@ is_shared_object(char *file)
+ 			if (machine_type("PPC"))
  				return TRUE;
  			break;
-+
 +		case EM_LOONGARCH:
 +			if (machine_type("LOONGARCH64"))
 +				return TRUE;
@@ -17348,17 +17365,17 @@ index 42c4eb4..4bdeaf7 100644
  		}
  
  		if (CRASHDEBUG(1))
-@@ -8818,6 +8832,10 @@ dump_offset_table(char *spec, ulong makestruct)
-                 OFFSET(task_struct_thread_esp));
-         fprintf(fp, "        task_struct_thread_ksp: %ld\n",
-                 OFFSET(task_struct_thread_ksp));
+@@ -9786,6 +9797,10 @@ dump_offset_table(char *spec, ulong makestruct)
+ 		OFFSET(task_struct_tss_esp));
+ 	fprintf(fp, "           task_struct_tss_ksp: %ld\n", 
+ 		OFFSET(task_struct_tss_ksp));
 +	fprintf(fp, "      task_struct_thread_reg01: %ld\n",
 +		OFFSET(task_struct_thread_reg01));
 +	fprintf(fp, "      task_struct_thread_reg03: %ld\n",
 +		OFFSET(task_struct_thread_reg03));	
-         fprintf(fp, "      task_struct_thread_reg29: %ld\n",
-                 OFFSET(task_struct_thread_reg29));
-         fprintf(fp, "      task_struct_thread_reg31: %ld\n",
+         fprintf(fp, "        task_struct_thread_eip: %ld\n",
+                 OFFSET(task_struct_thread_eip));
+ 	fprintf(fp, "        inactive_task_frame_bp: %ld\n", OFFSET(inactive_task_frame_bp));
 -- 
-2.33.0
+2.43.0
 

crash.spec

@@ -1,6 +1,6 @@
 Name: crash
 Version: 8.0.4
-Release: 1
+Release: 2
 Summary: Linux kernel crash utility.
 License: GPLv3
 URL: https://crash-utility.github.io
@@ -13,7 +13,7 @@ Patch1: 0001-add-SDEI-stack-resolution.patch
 Patch2: 0002-crash-8.0.2-sw.patch
 %endif
 %ifarch loongarch64
-Patch3: 0003-crash-add-loongarch-support.patch
+Patch3: 0003-crash-8.0.4-add-support-for-loongarch64.patch
 %endif
 
 BuildRequires: ncurses-devel zlib-devel lzo-devel snappy-devel texinfo libzstd-devel 
@@ -80,6 +80,10 @@ install -D -m 0644 defs.h %{buildroot}%{_includedir}/%{name}/defs.h
 %{_mandir}/man8/crash.8*
 
 %changelog
+* Tue Apr 16 2024 Pengda Dou <doupengda@loongson.cn> - 8.0.4-2
+- Resolve loongarch64 patch add error
+- add support for loongarch64
+
 * Thu Jan 25 2024 chenhaixiang<chenhaixiang3@huawei.com> - 8.0.4-1
 - Upgrade to crash-8.0.4