Stacktraces add line numbers

29 files changed, 1736 insertions, 1 deletions

diff --git a/.mapping.json b/.mapping.json
index 537f8d29e3..16eed80203 100644
--- a/.mapping.json
+++ b/.mapping.json
@@ -131,6 +131,10 @@
   "contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/CMakeLists.linux-x86_64.txt":"",
   "contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/CMakeLists.txt":"",
   "contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/CMakeLists.windows-x86_64.txt":"",
+  "contrib/libs/backtrace/CMakeLists.darwin-x86_64.txt":"",
+  "contrib/libs/backtrace/CMakeLists.linux-aarch64.txt":"",
+  "contrib/libs/backtrace/CMakeLists.linux-x86_64.txt":"",
+  "contrib/libs/backtrace/CMakeLists.txt":"",
   "contrib/libs/base64/CMakeLists.txt":"",
   "contrib/libs/base64/avx2/CMakeLists.darwin-x86_64.txt":"",
   "contrib/libs/base64/avx2/CMakeLists.linux-aarch64.txt":"",
@@ -2201,6 +2205,10 @@
   "library/cpp/dns/CMakeLists.linux-x86_64.txt":"",
   "library/cpp/dns/CMakeLists.txt":"",
   "library/cpp/dns/CMakeLists.windows-x86_64.txt":"",
+  "library/cpp/dwarf_backtrace/CMakeLists.darwin-x86_64.txt":"",
+  "library/cpp/dwarf_backtrace/CMakeLists.linux-aarch64.txt":"",
+  "library/cpp/dwarf_backtrace/CMakeLists.linux-x86_64.txt":"",
+  "library/cpp/dwarf_backtrace/CMakeLists.txt":"",
   "library/cpp/enumbitset/CMakeLists.darwin-x86_64.txt":"",
   "library/cpp/enumbitset/CMakeLists.linux-aarch64.txt":"",
   "library/cpp/enumbitset/CMakeLists.linux-x86_64.txt":"",
diff --git a/contrib/libs/CMakeLists.darwin-x86_64.txt b/contrib/libs/CMakeLists.darwin-x86_64.txt
index c62e34c5ff..883bdccf09 100644
--- a/contrib/libs/CMakeLists.darwin-x86_64.txt
+++ b/contrib/libs/CMakeLists.darwin-x86_64.txt
@@ -9,6 +9,7 @@
 add_subdirectory(antlr3_cpp_runtime)
 add_subdirectory(apache)
 add_subdirectory(aws-sdk-cpp)
+add_subdirectory(backtrace)
 add_subdirectory(base64)
 add_subdirectory(brotli)
 add_subdirectory(c-ares)
diff --git a/contrib/libs/CMakeLists.linux-aarch64.txt b/contrib/libs/CMakeLists.linux-aarch64.txt
index 39f8e9a55c..9baeaba9de 100644
--- a/contrib/libs/CMakeLists.linux-aarch64.txt
+++ b/contrib/libs/CMakeLists.linux-aarch64.txt
@@ -9,6 +9,7 @@
 add_subdirectory(antlr3_cpp_runtime)
 add_subdirectory(apache)
 add_subdirectory(aws-sdk-cpp)
+add_subdirectory(backtrace)
 add_subdirectory(base64)
 add_subdirectory(brotli)
 add_subdirectory(c-ares)
diff --git a/contrib/libs/CMakeLists.linux-x86_64.txt b/contrib/libs/CMakeLists.linux-x86_64.txt
index 56ff664a72..5a5c430a16 100644
--- a/contrib/libs/CMakeLists.linux-x86_64.txt
+++ b/contrib/libs/CMakeLists.linux-x86_64.txt
@@ -9,6 +9,7 @@
 add_subdirectory(antlr3_cpp_runtime)
 add_subdirectory(apache)
 add_subdirectory(aws-sdk-cpp)
+add_subdirectory(backtrace)
 add_subdirectory(base64)
 add_subdirectory(brotli)
 add_subdirectory(c-ares)
diff --git a/contrib/libs/backtrace/CMakeLists.darwin-x86_64.txt b/contrib/libs/backtrace/CMakeLists.darwin-x86_64.txt
new file mode 100644
index 0000000000..fe260798da
--- /dev/null
+++ b/contrib/libs/backtrace/CMakeLists.darwin-x86_64.txt
@@ -0,0 +1,31 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(contrib-libs-backtrace)
+target_compile_options(contrib-libs-backtrace PRIVATE
+  -DHAVE_CONFIG_H
+  $<IF:$<CXX_COMPILER_ID:MSVC>,,-Wno-everything>
+)
+target_include_directories(contrib-libs-backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace
+)
+target_sources(contrib-libs-backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/atomic.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/backtrace.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/dwarf.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/fileline.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/mmap.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/mmapio.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/posix.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/print.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/simple.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/sort.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/state.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/macho.c
+)
diff --git a/contrib/libs/backtrace/CMakeLists.linux-aarch64.txt b/contrib/libs/backtrace/CMakeLists.linux-aarch64.txt
new file mode 100644
index 0000000000..fa7fd4f6df
--- /dev/null
+++ b/contrib/libs/backtrace/CMakeLists.linux-aarch64.txt
@@ -0,0 +1,34 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(contrib-libs-backtrace)
+target_compile_options(contrib-libs-backtrace PRIVATE
+  -DHAVE_CONFIG_H
+  $<IF:$<CXX_COMPILER_ID:MSVC>,,-Wno-everything>
+)
+target_include_directories(contrib-libs-backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace
+)
+target_link_libraries(contrib-libs-backtrace PUBLIC
+  contrib-libs-linux-headers
+)
+target_sources(contrib-libs-backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/atomic.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/backtrace.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/dwarf.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/fileline.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/mmap.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/mmapio.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/posix.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/print.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/simple.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/sort.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/state.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/elf.c
+)
diff --git a/contrib/libs/backtrace/CMakeLists.linux-x86_64.txt b/contrib/libs/backtrace/CMakeLists.linux-x86_64.txt
new file mode 100644
index 0000000000..fa7fd4f6df
--- /dev/null
+++ b/contrib/libs/backtrace/CMakeLists.linux-x86_64.txt
@@ -0,0 +1,34 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(contrib-libs-backtrace)
+target_compile_options(contrib-libs-backtrace PRIVATE
+  -DHAVE_CONFIG_H
+  $<IF:$<CXX_COMPILER_ID:MSVC>,,-Wno-everything>
+)
+target_include_directories(contrib-libs-backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace
+)
+target_link_libraries(contrib-libs-backtrace PUBLIC
+  contrib-libs-linux-headers
+)
+target_sources(contrib-libs-backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/atomic.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/backtrace.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/dwarf.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/fileline.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/mmap.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/mmapio.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/posix.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/print.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/simple.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/sort.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/state.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/backtrace/elf.c
+)
diff --git a/contrib/libs/backtrace/CMakeLists.txt b/contrib/libs/backtrace/CMakeLists.txt
new file mode 100644
index 0000000000..606ff46b4b
--- /dev/null
+++ b/contrib/libs/backtrace/CMakeLists.txt
@@ -0,0 +1,15 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-aarch64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+  include(CMakeLists.darwin-x86_64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-x86_64.txt)
+endif()
diff --git a/contrib/libs/backtrace/macho.c b/contrib/libs/backtrace/macho.c
new file mode 100644
index 0000000000..d00aea9bc8
--- /dev/null
+++ b/contrib/libs/backtrace/macho.c
@@ -0,0 +1,1355 @@
+/* elf.c -- Get debug data from a Mach-O file for backtraces.
+   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Written by Ian Lance Taylor, Google.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    (1) Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+    (2) Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+
+    (3) The name of the author may not be used to
+    endorse or promote products derived from this software without
+    specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.  */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef HAVE_MACH_O_DYLD_H
+#include <mach-o/dyld.h>
+#endif
+
+#include "backtrace.h"
+#include "internal.h"
+
+/* Mach-O file header for a 32-bit executable.  */
+
+struct macho_header_32
+{
+  uint32_t magic;	/* Magic number (MACH_O_MAGIC_32) */
+  uint32_t cputype;	/* CPU type */
+  uint32_t cpusubtype;	/* CPU subtype */
+  uint32_t filetype;	/* Type of file (object, executable) */
+  uint32_t ncmds;	/* Number of load commands */
+  uint32_t sizeofcmds;	/* Total size of load commands */
+  uint32_t flags;	/* Flags for special features */
+};
+
+/* Mach-O file header for a 64-bit executable.  */
+
+struct macho_header_64
+{
+  uint32_t magic;	/* Magic number (MACH_O_MAGIC_64) */
+  uint32_t cputype;	/* CPU type */
+  uint32_t cpusubtype;	/* CPU subtype */
+  uint32_t filetype;	/* Type of file (object, executable) */
+  uint32_t ncmds;	/* Number of load commands */
+  uint32_t sizeofcmds;	/* Total size of load commands */
+  uint32_t flags;	/* Flags for special features */
+  uint32_t reserved;	/* Reserved */
+};
+
+/* Mach-O file header for a fat executable.  */
+
+struct macho_header_fat
+{
+  uint32_t magic;	/* Magic number (MACH_O_MH_(MAGIC|CIGAM)_FAT(_64)?) */
+  uint32_t nfat_arch;   /* Number of components */
+};
+
+/* Values for the header magic field.  */
+
+#define MACH_O_MH_MAGIC_32	0xfeedface
+#define MACH_O_MH_MAGIC_64	0xfeedfacf
+#define MACH_O_MH_MAGIC_FAT	0xcafebabe
+#define MACH_O_MH_CIGAM_FAT	0xbebafeca
+#define MACH_O_MH_MAGIC_FAT_64	0xcafebabf
+#define MACH_O_MH_CIGAM_FAT_64	0xbfbafeca
+
+/* Value for the header filetype field.  */
+
+#define MACH_O_MH_EXECUTE	0x02
+#define MACH_O_MH_DYLIB		0x06
+#define MACH_O_MH_DSYM		0x0a
+
+/* A component of a fat file.  A fat file starts with a
+   macho_header_fat followed by nfat_arch instances of this
+   struct.  */
+
+struct macho_fat_arch
+{
+  uint32_t cputype;	/* CPU type */
+  uint32_t cpusubtype;	/* CPU subtype */
+  uint32_t offset;	/* File offset of this entry */
+  uint32_t size;	/* Size of this entry */
+  uint32_t align;	/* Alignment of this entry */
+};
+
+/* A component of a 64-bit fat file.  This is used if the magic field
+   is MAGIC_FAT_64.  This is only used when some file size or file
+   offset is too large to represent in the 32-bit format.  */
+
+struct macho_fat_arch_64
+{
+  uint32_t cputype;	/* CPU type */
+  uint32_t cpusubtype;	/* CPU subtype */
+  uint64_t offset;	/* File offset of this entry */
+  uint64_t size;	/* Size of this entry */
+  uint32_t align;	/* Alignment of this entry */
+  uint32_t reserved;	/* Reserved */
+};
+
+/* Values for the fat_arch cputype field (and the header cputype
+   field).  */
+
+#define MACH_O_CPU_ARCH_ABI64 0x01000000
+
+#define MACH_O_CPU_TYPE_X86 7
+#define MACH_O_CPU_TYPE_ARM 12
+#define MACH_O_CPU_TYPE_PPC 18
+
+#define MACH_O_CPU_TYPE_X86_64 (MACH_O_CPU_TYPE_X86 | MACH_O_CPU_ARCH_ABI64)
+#define MACH_O_CPU_TYPE_ARM64  (MACH_O_CPU_TYPE_ARM | MACH_O_CPU_ARCH_ABI64)
+#define MACH_O_CPU_TYPE_PPC64  (MACH_O_CPU_TYPE_PPC | MACH_O_CPU_ARCH_ABI64)
+
+/* The header of a load command.  */
+
+struct macho_load_command
+{
+  uint32_t cmd;		/* The type of load command */
+  uint32_t cmdsize;	/* Size in bytes of the entire command */
+};
+
+/* Values for the load_command cmd field.  */
+
+#define MACH_O_LC_SEGMENT	0x01
+#define MACH_O_LC_SYMTAB	0x02
+#define MACH_O_LC_SEGMENT_64	0x19
+#define MACH_O_LC_UUID		0x1b
+
+/* The length of a section of segment name.  */
+
+#define MACH_O_NAMELEN (16)
+
+/* LC_SEGMENT load command.  */
+
+struct macho_segment_command
+{
+  uint32_t cmd;			/* The type of load command (LC_SEGMENT) */
+  uint32_t cmdsize;		/* Size in bytes of the entire command */
+  char segname[MACH_O_NAMELEN];	/* Segment name */
+  uint32_t vmaddr;		/* Virtual memory address */
+  uint32_t vmsize;		/* Virtual memory size */
+  uint32_t fileoff;		/* Offset of data to be mapped */
+  uint32_t filesize;		/* Size of data in file */
+  uint32_t maxprot;		/* Maximum permitted virtual protection */
+  uint32_t initprot;		/* Initial virtual memory protection */
+  uint32_t nsects;		/* Number of sections in this segment */
+  uint32_t flags;		/* Flags */
+};
+
+/* LC_SEGMENT_64 load command.  */
+
+struct macho_segment_64_command
+{
+  uint32_t cmd;			/* The type of load command (LC_SEGMENT) */
+  uint32_t cmdsize;		/* Size in bytes of the entire command */
+  char segname[MACH_O_NAMELEN];	/* Segment name */
+  uint64_t vmaddr;		/* Virtual memory address */
+  uint64_t vmsize;		/* Virtual memory size */
+  uint64_t fileoff;		/* Offset of data to be mapped */
+  uint64_t filesize;		/* Size of data in file */
+  uint32_t maxprot;		/* Maximum permitted virtual protection */
+  uint32_t initprot;		/* Initial virtual memory protection */
+  uint32_t nsects;		/* Number of sections in this segment */
+  uint32_t flags;		/* Flags */
+};
+
+/* LC_SYMTAB load command.  */
+
+struct macho_symtab_command
+{
+  uint32_t cmd;		/* The type of load command (LC_SEGMENT) */
+  uint32_t cmdsize;	/* Size in bytes of the entire command */
+  uint32_t symoff;	/* File offset of symbol table */
+  uint32_t nsyms;	/* Number of symbols */
+  uint32_t stroff;	/* File offset of string table */
+  uint32_t strsize;	/* String table size */
+};
+
+/* The length of a Mach-O uuid.  */
+
+#define MACH_O_UUID_LEN (16)
+
+/* LC_UUID load command.  */
+
+struct macho_uuid_command
+{
+  uint32_t cmd;				/* Type of load command (LC_UUID) */
+  uint32_t cmdsize;			/* Size in bytes of command */
+  unsigned char uuid[MACH_O_UUID_LEN];	/* UUID */
+};
+
+/* 32-bit section header within a LC_SEGMENT segment.  */
+
+struct macho_section
+{
+  char sectname[MACH_O_NAMELEN];	/* Section name */
+  char segment[MACH_O_NAMELEN];		/* Segment of this section */
+  uint32_t addr;			/* Address in memory */
+  uint32_t size;			/* Section size */
+  uint32_t offset;			/* File offset */
+  uint32_t align;			/* Log2 of section alignment */
+  uint32_t reloff;			/* File offset of relocations */
+  uint32_t nreloc;			/* Number of relocs for this section */
+  uint32_t flags;			/* Flags */
+  uint32_t reserved1;
+  uint32_t reserved2;
+};
+
+/* 64-bit section header within a LC_SEGMENT_64 segment.   */
+
+struct macho_section_64
+{
+  char sectname[MACH_O_NAMELEN];	/* Section name */
+  char segment[MACH_O_NAMELEN];		/* Segment of this section */
+  uint64_t addr;			/* Address in memory */
+  uint64_t size;			/* Section size */
+  uint32_t offset;			/* File offset */
+  uint32_t align;			/* Log2 of section alignment */
+  uint32_t reloff;			/* File offset of section relocations */
+  uint32_t nreloc;			/* Number of relocs for this section */
+  uint32_t flags;			/* Flags */
+  uint32_t reserved1;
+  uint32_t reserved2;
+  uint32_t reserved3;
+};
+
+/* 32-bit symbol data.  */
+
+struct macho_nlist
+{
+  uint32_t n_strx;	/* Index of name in string table */
+  uint8_t n_type;	/* Type flag */
+  uint8_t n_sect;	/* Section number */
+  uint16_t n_desc;	/* Stabs description field */
+  uint32_t n_value;	/* Value */
+};
+
+/* 64-bit symbol data.  */
+
+struct macho_nlist_64
+{
+  uint32_t n_strx;	/* Index of name in string table */
+  uint8_t n_type;	/* Type flag */
+  uint8_t n_sect;	/* Section number */
+  uint16_t n_desc;	/* Stabs description field */
+  uint64_t n_value;	/* Value */
+};
+
+/* Value found in nlist n_type field.  */
+
+#define MACH_O_N_EXT	0x01	/* Extern symbol */
+#define MACH_O_N_ABS	0x02	/* Absolute symbol */
+#define MACH_O_N_SECT	0x0e	/* Defined in section */
+
+#define MACH_O_N_TYPE	0x0e	/* Mask for type bits */
+#define MACH_O_N_STAB	0xe0	/* Stabs debugging symbol */
+
+/* Information we keep for a Mach-O symbol.  */
+
+struct macho_symbol
+{
+  const char *name;	/* Symbol name */
+  uintptr_t address;	/* Symbol address */
+};
+
+/* Information to pass to macho_syminfo.  */
+
+struct macho_syminfo_data
+{
+  struct macho_syminfo_data *next;	/* Next module */
+  struct macho_symbol *symbols;		/* Symbols sorted by address */
+  size_t count;				/* Number of symbols */
+};
+
+/* Names of sections, indexed by enum dwarf_section in internal.h.  */
+
+static const char * const dwarf_section_names[DEBUG_MAX] =
+{
+  "__debug_info",
+  "__debug_line",
+  "__debug_abbrev",
+  "__debug_ranges",
+  "__debug_str",
+  "", /* DEBUG_ADDR */
+  "__debug_str_offs",
+  "", /* DEBUG_LINE_STR */
+  "__debug_rnglists"
+};
+
+/* Forward declaration.  */
+
+static int macho_add (struct backtrace_state *, const char *, int, off_t,
+		      const unsigned char *, uintptr_t, int,
+		      backtrace_error_callback, void *, fileline *, int *);
+
+/* A dummy callback function used when we can't find any debug info.  */
+
+static int
+macho_nodebug (struct backtrace_state *state ATTRIBUTE_UNUSED,
+	       uintptr_t pc ATTRIBUTE_UNUSED,
+	       backtrace_full_callback callback ATTRIBUTE_UNUSED,
+	       backtrace_error_callback error_callback, void *data)
+{
+  error_callback (data, "no debug info in Mach-O executable", -1);
+  return 0;
+}
+
+/* A dummy callback function used when we can't find a symbol
+   table.  */
+
+static void
+macho_nosyms (struct backtrace_state *state ATTRIBUTE_UNUSED,
+	      uintptr_t addr ATTRIBUTE_UNUSED,
+	      backtrace_syminfo_callback callback ATTRIBUTE_UNUSED,
+	      backtrace_error_callback error_callback, void *data)
+{
+  error_callback (data, "no symbol table in Mach-O executable", -1);
+}
+
+/* Add a single DWARF section to DWARF_SECTIONS, if we need the
+   section.  Returns 1 on success, 0 on failure.  */
+
+static int
+macho_add_dwarf_section (struct backtrace_state *state, int descriptor,
+			 const char *sectname, uint32_t offset, uint64_t size,
+			 backtrace_error_callback error_callback, void *data,
+			 struct dwarf_sections *dwarf_sections)
+{
+  int i;
+
+  for (i = 0; i < (int) DEBUG_MAX; ++i)
+    {
+      if (dwarf_section_names[i][0] != '\0'
+	  && strncmp (sectname, dwarf_section_names[i], MACH_O_NAMELEN) == 0)
+	{
+	  struct backtrace_view section_view;
+
+	  /* FIXME: Perhaps it would be better to try to use a single
+	     view to read all the DWARF data, as we try to do for
+	     ELF.  */
+
+	  if (!backtrace_get_view (state, descriptor, offset, size,
+				   error_callback, data, &section_view))
+	    return 0;
+	  dwarf_sections->data[i] = (const unsigned char *) section_view.data;
+	  dwarf_sections->size[i] = size;
+	  break;
+	}
+    }
+  return 1;
+}
+
+/* Collect DWARF sections from a DWARF segment.  Returns 1 on success,
+   0 on failure.  */
+
+static int
+macho_add_dwarf_segment (struct backtrace_state *state, int descriptor,
+			 off_t offset, unsigned int cmd, const char *psecs,
+			 size_t sizesecs, unsigned int nsects,
+			 backtrace_error_callback error_callback, void *data,
+			 struct dwarf_sections *dwarf_sections)
+{
+  size_t sec_header_size;
+  size_t secoffset;
+  unsigned int i;
+
+  switch (cmd)
+    {
+    case MACH_O_LC_SEGMENT:
+      sec_header_size = sizeof (struct macho_section);
+      break;
+    case MACH_O_LC_SEGMENT_64:
+      sec_header_size = sizeof (struct macho_section_64);
+      break;
+    default:
+      abort ();
+    }
+
+  secoffset = 0;
+  for (i = 0; i < nsects; ++i)
+    {
+      if (secoffset + sec_header_size > sizesecs)
+	{
+	  error_callback (data, "section overflow withing segment", 0);
+	  return 0;
+	}
+
+      switch (cmd)
+	{
+	case MACH_O_LC_SEGMENT:
+	  {
+	    struct macho_section section;
+
+	    memcpy (&section, psecs + secoffset, sizeof section);
+	    macho_add_dwarf_section (state, descriptor, section.sectname,
+				     offset + section.offset, section.size,
+				     error_callback, data, dwarf_sections);
+	  }
+	  break;
+
+	case MACH_O_LC_SEGMENT_64:
+	  {
+	    struct macho_section_64 section;
+
+	    memcpy (&section, psecs + secoffset, sizeof section);
+	    macho_add_dwarf_section (state, descriptor, section.sectname,
+				     offset + section.offset, section.size,
+				     error_callback, data, dwarf_sections);
+	  }
+	  break;
+
+	default:
+	  abort ();
+	}
+
+      secoffset += sec_header_size;
+    }
+
+  return 1;
+}
+
+/* Compare struct macho_symbol for qsort.  */
+
+static int
+macho_symbol_compare (const void *v1, const void *v2)
+{
+  const struct macho_symbol *m1 = (const struct macho_symbol *) v1;
+  const struct macho_symbol *m2 = (const struct macho_symbol *) v2;
+
+  if (m1->address < m2->address)
+    return -1;
+  else if (m1->address > m2->address)
+    return 1;
+  else
+    return 0;
+}
+
+/* Compare an address against a macho_symbol for bsearch.  We allocate
+   one extra entry in the array so that this can safely look at the
+   next entry.  */
+
+static int
+macho_symbol_search (const void *vkey, const void *ventry)
+{
+  const uintptr_t *key = (const uintptr_t *) vkey;
+  const struct macho_symbol *entry = (const struct macho_symbol *) ventry;
+  uintptr_t addr;
+
+  addr = *key;
+  if (addr < entry->address)
+    return -1;
+  else if (entry->name[0] == '\0'
+	   && entry->address == ~(uintptr_t) 0)
+    return -1;
+  else if ((entry + 1)->name[0] == '\0'
+	   && (entry + 1)->address == ~(uintptr_t) 0)
+    return -1;
+  else if (addr >= (entry + 1)->address)
+    return 1;
+  else
+    return 0;
+}
+
+/* Return whether the symbol type field indicates a symbol table entry
+   that we care about: a function or data symbol.  */
+
+static int
+macho_defined_symbol (uint8_t type)
+{
+  if ((type & MACH_O_N_STAB) != 0)
+    return 0;
+  if ((type & MACH_O_N_EXT) != 0)
+    return 0;
+  switch (type & MACH_O_N_TYPE)
+    {
+    case MACH_O_N_ABS:
+      return 1;
+    case MACH_O_N_SECT:
+      return 1;
+    default:
+      return 0;
+    }
+}
+
+/* Add symbol table information for a Mach-O file.  */
+
+static int
+macho_add_symtab (struct backtrace_state *state, int descriptor,
+		  uintptr_t base_address, int is_64,
+		  off_t symoff, unsigned int nsyms, off_t stroff,
+		  unsigned int strsize,
+		  backtrace_error_callback error_callback, void *data)
+{
+  size_t symsize;
+  struct backtrace_view sym_view;
+  int sym_view_valid;
+  struct backtrace_view str_view;
+  int str_view_valid;
+  size_t ndefs;
+  size_t symtaboff;
+  unsigned int i;
+  size_t macho_symbol_size;
+  struct macho_symbol *macho_symbols;
+  unsigned int j;
+  struct macho_syminfo_data *sdata;
+
+  sym_view_valid = 0;
+  str_view_valid = 0;
+  macho_symbol_size = 0;
+  macho_symbols = NULL;
+
+  if (is_64)
+    symsize = sizeof (struct macho_nlist_64);
+  else
+    symsize = sizeof (struct macho_nlist);
+
+  if (!backtrace_get_view (state, descriptor, symoff, nsyms * symsize,
+			   error_callback, data, &sym_view))
+    goto fail;
+  sym_view_valid = 1;
+
+  if (!backtrace_get_view (state, descriptor, stroff, strsize,
+			   error_callback, data, &str_view))
+    return 0;
+  str_view_valid = 1;
+
+  ndefs = 0;
+  symtaboff = 0;
+  for (i = 0; i < nsyms; ++i, symtaboff += symsize)
+    {
+      if (is_64)
+	{
+	  struct macho_nlist_64 nlist;
+
+	  memcpy (&nlist, (const char *) sym_view.data + symtaboff,
+		  sizeof nlist);
+	  if (macho_defined_symbol (nlist.n_type))
+	    ++ndefs;
+	}
+      else
+	{
+	  struct macho_nlist nlist;
+
+	  memcpy (&nlist, (const char *) sym_view.data + symtaboff,
+		  sizeof nlist);
+	  if (macho_defined_symbol (nlist.n_type))
+	    ++ndefs;
+	}
+    }
+
+  /* Add 1 to ndefs to make room for a sentinel.  */
+  macho_symbol_size = (ndefs + 1) * sizeof (struct macho_symbol);
+  macho_symbols = ((struct macho_symbol *)
+		   backtrace_alloc (state, macho_symbol_size, error_callback,
+				    data));
+  if (macho_symbols == NULL)
+    goto fail;
+
+  j = 0;
+  symtaboff = 0;
+  for (i = 0; i < nsyms; ++i, symtaboff += symsize)
+    {
+      uint32_t strx;
+      uint64_t value;
+      const char *name;
+
+      strx = 0;
+      value = 0;
+      if (is_64)
+	{
+	  struct macho_nlist_64 nlist;
+
+	  memcpy (&nlist, (const char *) sym_view.data + symtaboff,
+		  sizeof nlist);
+	  if (!macho_defined_symbol (nlist.n_type))
+	    continue;
+
+	  strx = nlist.n_strx;
+	  value = nlist.n_value;
+	}
+      else
+	{
+	  struct macho_nlist nlist;
+
+	  memcpy (&nlist, (const char *) sym_view.data + symtaboff,
+		  sizeof nlist);
+	  if (!macho_defined_symbol (nlist.n_type))
+	    continue;
+
+	  strx = nlist.n_strx;
+	  value = nlist.n_value;
+	}
+
+      if (strx >= strsize)
+	{
+	  error_callback (data, "symbol string index out of range", 0);
+	  goto fail;
+	}
+
+      name = (const char *) str_view.data + strx;
+      if (name[0] == '_')
+	++name;
+      macho_symbols[j].name = name;
+      macho_symbols[j].address = value + base_address;
+      ++j;
+    }
+
+  sdata = ((struct macho_syminfo_data *)
+	   backtrace_alloc (state, sizeof *sdata, error_callback, data));
+  if (sdata == NULL)
+    goto fail;
+
+  /* We need to keep the string table since it holds the names, but we
+     can release the symbol table.  */
+
+  backtrace_release_view (state, &sym_view, error_callback, data);
+  sym_view_valid = 0;
+  str_view_valid = 0;
+
+  /* Add a trailing sentinel symbol.  */
+  macho_symbols[j].name = "";
+  macho_symbols[j].address = ~(uintptr_t) 0;
+
+  backtrace_qsort (macho_symbols, ndefs + 1, sizeof (struct macho_symbol),
+		   macho_symbol_compare);
+
+  sdata->next = NULL;
+  sdata->symbols = macho_symbols;
+  sdata->count = ndefs;
+
+  if (!state->threaded)
+    {
+      struct macho_syminfo_data **pp;
+
+      for (pp = (struct macho_syminfo_data **) (void *) &state->syminfo_data;
+	   *pp != NULL;
+	   pp = &(*pp)->next)
+	;
+      *pp = sdata;
+    }
+  else
+    {
+      while (1)
+	{
+	  struct macho_syminfo_data **pp;
+
+	  pp = (struct macho_syminfo_data **) (void *) &state->syminfo_data;
+
+	  while (1)
+	    {
+	      struct macho_syminfo_data *p;
+
+	      p = backtrace_atomic_load_pointer (pp);
+	      
+	      if (p == NULL)
+		break;
+
+	      pp = &p->next;
+	    }
+
+	  if (__sync_bool_compare_and_swap (pp, NULL, sdata))
+	    break;
+	}
+    }
+
+  return 1;
+
+ fail:
+  if (macho_symbols != NULL)
+    backtrace_free (state, macho_symbols, macho_symbol_size,
+		    error_callback, data);
+  if (sym_view_valid)
+    backtrace_release_view (state, &sym_view, error_callback, data);
+  if (str_view_valid)
+    backtrace_release_view (state, &str_view, error_callback, data);
+  return 0;
+}
+
+/* Return the symbol name and value for an ADDR.  */
+
+static void
+macho_syminfo (struct backtrace_state *state, uintptr_t addr,
+	       backtrace_syminfo_callback callback,
+	       backtrace_error_callback error_callback ATTRIBUTE_UNUSED,
+	       void *data)
+{
+  struct macho_syminfo_data *sdata;
+  struct macho_symbol *sym;
+
+  sym = NULL;
+  if (!state->threaded)
+    {
+      for (sdata = (struct macho_syminfo_data *) state->syminfo_data;
+	   sdata != NULL;
+	   sdata = sdata->next)
+	{
+	  sym = ((struct macho_symbol *)
+		 bsearch (&addr, sdata->symbols, sdata->count,
+			  sizeof (struct macho_symbol), macho_symbol_search));
+	  if (sym != NULL)
+	    break;
+	}
+    }
+  else
+    {
+      struct macho_syminfo_data **pp;
+
+      pp = (struct macho_syminfo_data **) (void *) &state->syminfo_data;
+      while (1)
+	{
+	  sdata = backtrace_atomic_load_pointer (pp);
+	  if (sdata == NULL)
+	    break;
+
+	  sym = ((struct macho_symbol *)
+		 bsearch (&addr, sdata->symbols, sdata->count,
+			  sizeof (struct macho_symbol), macho_symbol_search));
+	  if (sym != NULL)
+	    break;
+
+	  pp = &sdata->next;
+	}
+    }
+
+  if (sym == NULL)
+    callback (data, addr, NULL, 0, 0);
+  else
+    callback (data, addr, sym->name, sym->address, 0);
+}
+
+/* Look through a fat file to find the relevant executable.  Returns 1
+   on success, 0 on failure (in both cases descriptor is closed).  */
+
+static int
+macho_add_fat (struct backtrace_state *state, const char *filename,
+	       int descriptor, int swapped, off_t offset,
+	       const unsigned char *match_uuid, uintptr_t base_address,
+	       int skip_symtab, uint32_t nfat_arch, int is_64,
+	       backtrace_error_callback error_callback, void *data,
+	       fileline *fileline_fn, int *found_sym)
+{
+  int arch_view_valid;
+  unsigned int cputype;
+  size_t arch_size;
+  struct backtrace_view arch_view;
+  unsigned int i;
+
+  arch_view_valid = 0;
+
+#if defined (__x86_64__)
+  cputype = MACH_O_CPU_TYPE_X86_64;
+#elif defined (__i386__)
+  cputype = MACH_O_CPU_TYPE_X86;
+#elif defined (__aarch64__)
+  cputype = MACH_O_CPU_TYPE_ARM64;
+#elif defined (__arm__)
+  cputype = MACH_O_CPU_TYPE_ARM;
+#elif defined (__ppc__)
+  cputype = MACH_O_CPU_TYPE_PPC;
+#elif defined (__ppc64__)
+  cputype = MACH_O_CPU_TYPE_PPC64;
+#else
+  error_callback (data, "unknown Mach-O architecture", 0);
+  goto fail;
+#endif
+
+  if (is_64)
+    arch_size = sizeof (struct macho_fat_arch_64);
+  else
+    arch_size = sizeof (struct macho_fat_arch);
+
+  if (!backtrace_get_view (state, descriptor, offset,
+			   nfat_arch * arch_size,
+			   error_callback, data, &arch_view))
+    goto fail;
+
+  for (i = 0; i < nfat_arch; ++i)
+    {
+      uint32_t fcputype;
+      uint64_t foffset;
+
+      if (is_64)
+	{
+	  struct macho_fat_arch_64 fat_arch_64;
+
+	  memcpy (&fat_arch_64,
+		  (const char *) arch_view.data + i * arch_size,
+		  arch_size);
+	  fcputype = fat_arch_64.cputype;
+	  foffset = fat_arch_64.offset;
+	  if (swapped)
+	    {
+	      fcputype = __builtin_bswap32 (fcputype);
+	      foffset = __builtin_bswap64 (foffset);
+	    }
+	}
+      else
+	{
+	  struct macho_fat_arch fat_arch_32;
+
+	  memcpy (&fat_arch_32,
+		  (const char *) arch_view.data + i * arch_size,
+		  arch_size);
+	  fcputype = fat_arch_32.cputype;
+	  foffset = (uint64_t) fat_arch_32.offset;
+	  if (swapped)
+	    {
+	      fcputype = __builtin_bswap32 (fcputype);
+	      foffset = (uint64_t) __builtin_bswap32 ((uint32_t) foffset);
+	    }
+	}
+
+      if (fcputype == cputype)
+	{
+	  /* FIXME: What about cpusubtype?  */
+	  backtrace_release_view (state, &arch_view, error_callback, data);
+	  return macho_add (state, filename, descriptor, foffset, match_uuid,
+			    base_address, skip_symtab, error_callback, data,
+			    fileline_fn, found_sym);
+	}
+    }
+
+  error_callback (data, "could not find executable in fat file", 0);
+
+ fail:
+  if (arch_view_valid)
+    backtrace_release_view (state, &arch_view, error_callback, data);
+  if (descriptor != -1)
+    backtrace_close (descriptor, error_callback, data);
+  return 0;
+}
+
+/* Look for the dsym file for FILENAME.  This is called if FILENAME
+   does not have debug info or a symbol table.  Returns 1 on success,
+   0 on failure.  */
+
+static int
+macho_add_dsym (struct backtrace_state *state, const char *filename,
+		uintptr_t base_address, const unsigned char *uuid,
+		backtrace_error_callback error_callback, void *data,
+		fileline* fileline_fn)
+{
+  const char *p;
+  const char *dirname;
+  char *diralc;
+  size_t dirnamelen;
+  const char *basename;
+  size_t basenamelen;
+  const char *dsymsuffixdir;
+  size_t dsymsuffixdirlen;
+  size_t dsymlen;
+  char *dsym;
+  char *ps;
+  int d;
+  int does_not_exist;
+  int dummy_found_sym;
+
+  diralc = NULL;
+  dirnamelen = 0;
+  dsym = NULL;
+  dsymlen = 0;
+
+  p = strrchr (filename, '/');
+  if (p == NULL)
+    {
+      dirname = ".";
+      dirnamelen = 1;
+      basename = filename;
+      basenamelen = strlen (basename);
+      diralc = NULL;
+    }
+  else
+    {
+      dirnamelen = p - filename;
+      diralc = backtrace_alloc (state, dirnamelen + 1, error_callback, data);
+      if (diralc == NULL)
+	goto fail;
+      memcpy (diralc, filename, dirnamelen);
+      diralc[dirnamelen] = '\0';
+      dirname = diralc;
+      basename = p + 1;
+      basenamelen = strlen (basename);
+    }
+
+  dsymsuffixdir = ".dSYM/Contents/Resources/DWARF/";
+  dsymsuffixdirlen = strlen (dsymsuffixdir);
+
+  dsymlen = (dirnamelen
+	     + 1
+	     + basenamelen
+	     + dsymsuffixdirlen
+	     + basenamelen
+	     + 1);
+  dsym = backtrace_alloc (state, dsymlen, error_callback, data);
+  if (dsym == NULL)
+    goto fail;
+
+  ps = dsym;
+  memcpy (ps, dirname, dirnamelen);
+  ps += dirnamelen;
+  *ps++ = '/';
+  memcpy (ps, basename, basenamelen);
+  ps += basenamelen;
+  memcpy (ps, dsymsuffixdir, dsymsuffixdirlen);
+  ps += dsymsuffixdirlen;
+  memcpy (ps, basename, basenamelen);
+  ps += basenamelen;
+  *ps = '\0';
+
+  if (diralc != NULL)
+    {
+      backtrace_free (state, diralc, dirnamelen + 1, error_callback, data);
+      diralc = NULL;
+    }
+
+  d = backtrace_open (dsym, error_callback, data, &does_not_exist);
+  if (d < 0)
+    {
+      /* The file does not exist, so we can't read the debug info.
+	 Just return success.  */
+      backtrace_free (state, dsym, dsymlen, error_callback, data);
+      return 1;
+    }
+
+  if (!macho_add (state, dsym, d, 0, uuid, base_address, 1,
+		  error_callback, data, fileline_fn, &dummy_found_sym))
+    goto fail;
+
+  backtrace_free (state, dsym, dsymlen, error_callback, data);
+
+  return 1;
+
+ fail:
+  if (dsym != NULL)
+    backtrace_free (state, dsym, dsymlen, error_callback, data);
+  if (diralc != NULL)
+    backtrace_free (state, diralc, dirnamelen, error_callback, data);
+  return 0;
+}
+
+/* Add the backtrace data for a Macho-O file.  Returns 1 on success, 0
+   on failure (in both cases descriptor is closed).
+
+   FILENAME: the name of the executable.
+   DESCRIPTOR: an open descriptor for the executable, closed here.
+   OFFSET: the offset within the file of this executable, for fat files.
+   MATCH_UUID: if not NULL, UUID that must match.
+   BASE_ADDRESS: the load address of the executable.
+   SKIP_SYMTAB: if non-zero, ignore the symbol table; used for dSYM files.
+   FILELINE_FN: set to the fileline function, by backtrace_dwarf_add.
+   FOUND_SYM: set to non-zero if we found the symbol table.
+*/
+
+static int
+macho_add (struct backtrace_state *state, const char *filename, int descriptor,
+	   off_t offset, const unsigned char *match_uuid,
+	   uintptr_t base_address, int skip_symtab,
+	   backtrace_error_callback error_callback, void *data,
+	   fileline *fileline_fn, int *found_sym)
+{
+  struct backtrace_view header_view;
+  struct macho_header_32 header;
+  off_t hdroffset;
+  int is_64;
+  struct backtrace_view cmds_view;
+  int cmds_view_valid;
+  struct dwarf_sections dwarf_sections;
+  int have_dwarf;
+  unsigned char uuid[MACH_O_UUID_LEN];
+  int have_uuid;
+  size_t cmdoffset;
+  unsigned int i;
+
+  *found_sym = 0;
+
+  cmds_view_valid = 0;
+
+  /* The 32-bit and 64-bit file headers start out the same, so we can
+     just always read the 32-bit version.  A fat header is shorter but
+     it will always be followed by data, so it's OK to read extra.  */
+
+  if (!backtrace_get_view (state, descriptor, offset,
+			   sizeof (struct macho_header_32),
+			   error_callback, data, &header_view))
+    goto fail;
+
+  memcpy (&header, header_view.data, sizeof header);
+
+  backtrace_release_view (state, &header_view, error_callback, data);
+
+  switch (header.magic)
+    {
+    case MACH_O_MH_MAGIC_32:
+      is_64 = 0;
+      hdroffset = offset + sizeof (struct macho_header_32);
+      break;
+    case MACH_O_MH_MAGIC_64:
+      is_64 = 1;
+      hdroffset = offset + sizeof (struct macho_header_64);
+      break;
+    case MACH_O_MH_MAGIC_FAT:
+    case MACH_O_MH_MAGIC_FAT_64:
+      {
+	struct macho_header_fat fat_header;
+
+	hdroffset = offset + sizeof (struct macho_header_fat);
+	memcpy (&fat_header, &header, sizeof fat_header);
+	return macho_add_fat (state, filename, descriptor, 0, hdroffset,
+			      match_uuid, base_address, skip_symtab,
+			      fat_header.nfat_arch,
+			      header.magic == MACH_O_MH_MAGIC_FAT_64,
+			      error_callback, data, fileline_fn, found_sym);
+      }
+    case MACH_O_MH_CIGAM_FAT:
+    case MACH_O_MH_CIGAM_FAT_64:
+      {
+	struct macho_header_fat fat_header;
+	uint32_t nfat_arch;
+
+	hdroffset = offset + sizeof (struct macho_header_fat);
+	memcpy (&fat_header, &header, sizeof fat_header);
+	nfat_arch = __builtin_bswap32 (fat_header.nfat_arch);
+	return macho_add_fat (state, filename, descriptor, 1, hdroffset,
+			      match_uuid, base_address, skip_symtab,
+			      nfat_arch,
+			      header.magic == MACH_O_MH_CIGAM_FAT_64,
+			      error_callback, data, fileline_fn, found_sym);
+      }
+    default:
+      error_callback (data, "executable file is not in Mach-O format", 0);
+      goto fail;
+    }
+
+  switch (header.filetype)
+    {
+    case MACH_O_MH_EXECUTE:
+    case MACH_O_MH_DYLIB:
+    case MACH_O_MH_DSYM:
+      break;
+    default:
+      error_callback (data, "executable file is not an executable", 0);
+      goto fail;
+    }
+
+  if (!backtrace_get_view (state, descriptor, hdroffset, header.sizeofcmds,
+			   error_callback, data, &cmds_view))
+    goto fail;
+  cmds_view_valid = 1;
+
+  memset (&dwarf_sections, 0, sizeof dwarf_sections);
+  have_dwarf = 0;
+  memset (&uuid, 0, sizeof uuid);
+  have_uuid = 0;
+
+  cmdoffset = 0;
+  for (i = 0; i < header.ncmds; ++i)
+    {
+      const char *pcmd;
+      struct macho_load_command load_command;
+
+      if (cmdoffset + sizeof load_command > header.sizeofcmds)
+	break;
+
+      pcmd = (const char *) cmds_view.data + cmdoffset;
+      memcpy (&load_command, pcmd, sizeof load_command);
+
+      switch (load_command.cmd)
+	{
+	case MACH_O_LC_SEGMENT:
+	  {
+	    struct macho_segment_command segcmd;
+
+	    memcpy (&segcmd, pcmd, sizeof segcmd);
+	    if (memcmp (segcmd.segname,
+			"__DWARF\0\0\0\0\0\0\0\0\0",
+			MACH_O_NAMELEN) == 0)
+	      {
+		if (!macho_add_dwarf_segment (state, descriptor, offset,
+					      load_command.cmd,
+					      pcmd + sizeof segcmd,
+					      (load_command.cmdsize
+					       - sizeof segcmd),
+					      segcmd.nsects, error_callback,
+					      data, &dwarf_sections))
+		  goto fail;
+		have_dwarf = 1;
+	      }
+	  }
+	  break;
+
+	case MACH_O_LC_SEGMENT_64:
+	  {
+	    struct macho_segment_64_command segcmd;
+
+	    memcpy (&segcmd, pcmd, sizeof segcmd);
+	    if (memcmp (segcmd.segname,
+			"__DWARF\0\0\0\0\0\0\0\0\0",
+			MACH_O_NAMELEN) == 0)
+	      {
+		if (!macho_add_dwarf_segment (state, descriptor, offset,
+					      load_command.cmd,
+					      pcmd + sizeof segcmd,
+					      (load_command.cmdsize
+					       - sizeof segcmd),
+					      segcmd.nsects, error_callback,
+					      data, &dwarf_sections))
+		  goto fail;
+		have_dwarf = 1;
+	      }
+	  }
+	  break;
+
+	case MACH_O_LC_SYMTAB:
+	  if (!skip_symtab)
+	    {
+	      struct macho_symtab_command symcmd;
+
+	      memcpy (&symcmd, pcmd, sizeof symcmd);
+	      if (!macho_add_symtab (state, descriptor, base_address, is_64,
+				     offset + symcmd.symoff, symcmd.nsyms,
+				     offset + symcmd.stroff, symcmd.strsize,
+				     error_callback, data))
+		goto fail;
+
+	      *found_sym = 1;
+	    }
+	  break;
+
+	case MACH_O_LC_UUID:
+	  {
+	    struct macho_uuid_command uuidcmd;
+
+	    memcpy (&uuidcmd, pcmd, sizeof uuidcmd);
+	    memcpy (&uuid[0], &uuidcmd.uuid[0], MACH_O_UUID_LEN);
+	    have_uuid = 1;
+	  }
+	  break;
+
+	default:
+	  break;
+	}
+
+      cmdoffset += load_command.cmdsize;
+    }
+
+  if (!backtrace_close (descriptor, error_callback, data))
+    goto fail;
+  descriptor = -1;
+
+  backtrace_release_view (state, &cmds_view, error_callback, data);
+  cmds_view_valid = 0;
+
+  if (match_uuid != NULL)
+    {
+      /* If we don't have a UUID, or it doesn't match, just ignore
+	 this file.  */
+      if (!have_uuid
+	  || memcmp (match_uuid, &uuid[0], MACH_O_UUID_LEN) != 0)
+	return 1;
+    }
+
+  if (have_dwarf)
+    {
+      int is_big_endian;
+
+      is_big_endian = 0;
+#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__)
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+      is_big_endian = 1;
+#endif
+#endif
+
+      if (!backtrace_dwarf_add (state, base_address, &dwarf_sections,
+				is_big_endian, NULL, error_callback, data,
+				fileline_fn, NULL))
+	goto fail;
+    }
+
+  if (!have_dwarf && have_uuid)
+    {
+      if (!macho_add_dsym (state, filename, base_address, &uuid[0],
+			   error_callback, data, fileline_fn))
+	goto fail;
+    }
+
+  return 1;
+
+ fail:
+  if (cmds_view_valid)
+    backtrace_release_view (state, &cmds_view, error_callback, data);
+  if (descriptor != -1)
+    backtrace_close (descriptor, error_callback, data);
+  return 0;
+}
+
+#ifdef HAVE_MACH_O_DYLD_H
+
+/* Initialize the backtrace data we need from a Mach-O executable
+   using the dyld support functions.  This closes descriptor.  */
+
+int
+backtrace_initialize (struct backtrace_state *state, const char *filename,
+		      int descriptor, backtrace_error_callback error_callback,
+		      void *data, fileline *fileline_fn)
+{
+  uint32_t c;
+  uint32_t i;
+  int closed_descriptor;
+  int found_sym;
+  fileline macho_fileline_fn;
+
+  closed_descriptor = 0;
+  found_sym = 0;
+  macho_fileline_fn = macho_nodebug;
+
+  c = _dyld_image_count ();
+  for (i = 0; i < c; ++i)
+    {
+      uintptr_t base_address;
+      const char *name;
+      int d;
+      fileline mff;
+      int mfs;
+
+      name = _dyld_get_image_name (i);
+      if (name == NULL)
+	continue;
+
+      if (strcmp (name, filename) == 0 && !closed_descriptor)
+	{
+	  d = descriptor;
+	  closed_descriptor = 1;
+	}
+      else
+	{
+	  int does_not_exist;
+
+	  d = backtrace_open (name, error_callback, data, &does_not_exist);
+	  if (d < 0)
+	    continue;
+	}
+
+      base_address = _dyld_get_image_vmaddr_slide (i);
+
+      mff = macho_nodebug;
+      if (!macho_add (state, name, d, 0, NULL, base_address, 0,
+		      error_callback, data, &mff, &mfs))
+	continue;
+
+      if (mff != macho_nodebug)
+	macho_fileline_fn = mff;
+      if (mfs)
+	found_sym = 1;
+    }
+
+  if (!closed_descriptor)
+    backtrace_close (descriptor, error_callback, data);
+
+  if (!state->threaded)
+    {
+      if (found_sym)
+	state->syminfo_fn = macho_syminfo;
+      else if (state->syminfo_fn == NULL)
+	state->syminfo_fn = macho_nosyms;
+    }
+  else
+    {
+      if (found_sym)
+	backtrace_atomic_store_pointer (&state->syminfo_fn, macho_syminfo);
+      else
+	(void) __sync_bool_compare_and_swap (&state->syminfo_fn, NULL,
+					     macho_nosyms);
+    }
+
+  if (!state->threaded)
+    *fileline_fn = state->fileline_fn;
+  else
+    *fileline_fn = backtrace_atomic_load_pointer (&state->fileline_fn);
+
+  if (*fileline_fn == NULL || *fileline_fn == macho_nodebug)
+    *fileline_fn = macho_fileline_fn;
+
+  return 1;
+}
+
+#else /* !defined (HAVE_MACH_O_DYLD_H) */
+
+/* Initialize the backtrace data we need from a Mach-O executable
+   without using the dyld support functions.  This closes
+   descriptor.  */
+
+int
+backtrace_initialize (struct backtrace_state *state, const char *filename,
+		      int descriptor, backtrace_error_callback error_callback,
+		      void *data, fileline *fileline_fn)
+{
+  fileline macho_fileline_fn;
+  int found_sym;
+
+  macho_fileline_fn = macho_nodebug;
+  if (!macho_add (state, filename, descriptor, 0, NULL, 0, 0,
+		  error_callback, data, &macho_fileline_fn, &found_sym))
+    return 0;
+
+  if (!state->threaded)
+    {
+      if (found_sym)
+	state->syminfo_fn = macho_syminfo;
+      else if (state->syminfo_fn == NULL)
+	state->syminfo_fn = macho_nosyms;
+    }
+  else
+    {
+      if (found_sym)
+	backtrace_atomic_store_pointer (&state->syminfo_fn, macho_syminfo);
+      else
+	(void) __sync_bool_compare_and_swap (&state->syminfo_fn, NULL,
+					     macho_nosyms);
+    }
+
+  if (!state->threaded)
+    *fileline_fn = state->fileline_fn;
+  else
+    *fileline_fn = backtrace_atomic_load_pointer (&state->fileline_fn);
+
+  if (*fileline_fn == NULL || *fileline_fn == macho_nodebug)
+    *fileline_fn = macho_fileline_fn;
+
+  return 1;
+}
+
+#endif /* !defined (HAVE_MACH_O_DYLD_H) */
diff --git a/library/cpp/CMakeLists.darwin-x86_64.txt b/library/cpp/CMakeLists.darwin-x86_64.txt
index 772027a342..0f393b2039 100644
--- a/library/cpp/CMakeLists.darwin-x86_64.txt
+++ b/library/cpp/CMakeLists.darwin-x86_64.txt
@@ -34,6 +34,7 @@ add_subdirectory(diff)
 add_subdirectory(digest)
 add_subdirectory(disjoint_sets)
 add_subdirectory(dns)
+add_subdirectory(dwarf_backtrace)
 add_subdirectory(enumbitset)
 add_subdirectory(execprofile)
 add_subdirectory(getopt)
diff --git a/library/cpp/CMakeLists.linux-aarch64.txt b/library/cpp/CMakeLists.linux-aarch64.txt
index cd50b0e3a4..cf47314f07 100644
--- a/library/cpp/CMakeLists.linux-aarch64.txt
+++ b/library/cpp/CMakeLists.linux-aarch64.txt
@@ -33,6 +33,7 @@ add_subdirectory(diff)
 add_subdirectory(digest)
 add_subdirectory(disjoint_sets)
 add_subdirectory(dns)
+add_subdirectory(dwarf_backtrace)
 add_subdirectory(enumbitset)
 add_subdirectory(execprofile)
 add_subdirectory(getopt)
diff --git a/library/cpp/CMakeLists.linux-x86_64.txt b/library/cpp/CMakeLists.linux-x86_64.txt
index 772027a342..0f393b2039 100644
--- a/library/cpp/CMakeLists.linux-x86_64.txt
+++ b/library/cpp/CMakeLists.linux-x86_64.txt
@@ -34,6 +34,7 @@ add_subdirectory(diff)
 add_subdirectory(digest)
 add_subdirectory(disjoint_sets)
 add_subdirectory(dns)
+add_subdirectory(dwarf_backtrace)
 add_subdirectory(enumbitset)
 add_subdirectory(execprofile)
 add_subdirectory(getopt)
diff --git a/library/cpp/dwarf_backtrace/CMakeLists.darwin-x86_64.txt b/library/cpp/dwarf_backtrace/CMakeLists.darwin-x86_64.txt
new file mode 100644
index 0000000000..3fb6a8f4b9
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/CMakeLists.darwin-x86_64.txt
@@ -0,0 +1,18 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(library-cpp-dwarf_backtrace)
+target_link_libraries(library-cpp-dwarf_backtrace PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-backtrace
+)
+target_sources(library-cpp-dwarf_backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/library/cpp/dwarf_backtrace/backtrace.cpp
+)
diff --git a/library/cpp/dwarf_backtrace/CMakeLists.linux-aarch64.txt b/library/cpp/dwarf_backtrace/CMakeLists.linux-aarch64.txt
new file mode 100644
index 0000000000..fc0672a08c
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/CMakeLists.linux-aarch64.txt
@@ -0,0 +1,19 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(library-cpp-dwarf_backtrace)
+target_link_libraries(library-cpp-dwarf_backtrace PUBLIC
+  contrib-libs-linux-headers
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-backtrace
+)
+target_sources(library-cpp-dwarf_backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/library/cpp/dwarf_backtrace/backtrace.cpp
+)
diff --git a/library/cpp/dwarf_backtrace/CMakeLists.linux-x86_64.txt b/library/cpp/dwarf_backtrace/CMakeLists.linux-x86_64.txt
new file mode 100644
index 0000000000..fc0672a08c
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/CMakeLists.linux-x86_64.txt
@@ -0,0 +1,19 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(library-cpp-dwarf_backtrace)
+target_link_libraries(library-cpp-dwarf_backtrace PUBLIC
+  contrib-libs-linux-headers
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-backtrace
+)
+target_sources(library-cpp-dwarf_backtrace PRIVATE
+  ${CMAKE_SOURCE_DIR}/library/cpp/dwarf_backtrace/backtrace.cpp
+)
diff --git a/library/cpp/dwarf_backtrace/CMakeLists.txt b/library/cpp/dwarf_backtrace/CMakeLists.txt
new file mode 100644
index 0000000000..606ff46b4b
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/CMakeLists.txt
@@ -0,0 +1,15 @@
+
+# This file was generated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-aarch64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+  include(CMakeLists.darwin-x86_64.txt)
+elseif (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND NOT HAVE_CUDA)
+  include(CMakeLists.linux-x86_64.txt)
+endif()
diff --git a/library/cpp/dwarf_backtrace/registry/set_format_backtrace.cpp b/library/cpp/dwarf_backtrace/registry/set_format_backtrace.cpp
new file mode 100644
index 0000000000..b3e6c3f8d8
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/registry/set_format_backtrace.cpp
@@ -0,0 +1,18 @@
+#include <library/cpp/dwarf_backtrace/backtrace.h>
+#include <util/stream/format.h>
+#include <util/system/backtrace.h>
+
+namespace {
+    void PrintDwarfBacktrace(IOutputStream* out, void* const* backtrace, size_t size) {
+        auto error = NDwarf::ResolveBacktrace({backtrace, size}, [out](const NDwarf::TLineInfo& info) {
+            *out << info.FileName << ":" << info.Line << ":" << info.Col
+                 << " in " << info.FunctionName << " (" << Hex(info.Address, HF_ADDX) << ')' << Endl;
+            return NDwarf::EResolving::Continue;
+        });
+        if (error) {
+            *out << "***Cannot get backtrace: " << error->Message << " (" << error->Code << ")***" << Endl;
+        }
+    }
+
+    [[maybe_unused]] auto _ = SetFormatBackTraceFn(&PrintDwarfBacktrace);
+}
diff --git a/library/cpp/dwarf_backtrace/registry/ya.make b/library/cpp/dwarf_backtrace/registry/ya.make
new file mode 100644
index 0000000000..6770671b13
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/registry/ya.make
@@ -0,0 +1,15 @@
+LIBRARY()
+
+IF(OS_LINUX)
+
+    PEERDIR(
+        library/cpp/dwarf_backtrace
+    )
+
+    SRCS(
+        GLOBAL set_format_backtrace.cpp
+    )
+
+ENDIF()
+
+END()
diff --git a/library/cpp/dwarf_backtrace/ut/backtrace_ut.cpp b/library/cpp/dwarf_backtrace/ut/backtrace_ut.cpp
new file mode 100644
index 0000000000..dc271ad513
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/ut/backtrace_ut.cpp
@@ -0,0 +1,55 @@
+#include <library/cpp/testing/gtest/gtest.h>
+#include <util/system/compiler.h>
+#include <util/system/backtrace.h>
+#include <util/stream/str.h>
+
+Y_FORCE_INLINE
+TString InlinedFunction_866a4407b28483588033f95add111d() {
+    TStringStream out;
+    FormatBackTrace(&out);
+    return out.Str();
+}
+
+Y_NO_INLINE
+TString Function_3e15a2d04c8613ae64833c5407dd98() {
+    return InlinedFunction_866a4407b28483588033f95add111d();
+}
+
+Y_NO_INLINE
+TString NotInlinedFunction_3c7dbf1e3b2b71819241cb5ad2b142() {
+    return Function_3e15a2d04c8613ae64833c5407dd98();
+}
+
+namespace NTestNamespace {
+    Y_NO_INLINE
+    TString NamespacedFunction() {
+        return InlinedFunction_866a4407b28483588033f95add111d();
+    }
+}
+
+using namespace ::testing;
+TEST(dwarf_backtrace_should, handle_inlines) {
+    const TString backtrace = NotInlinedFunction_3c7dbf1e3b2b71819241cb5ad2b142();
+
+    EXPECT_THAT(
+        backtrace,
+        HasSubstr("InlinedFunction_866a4407b28483588033f95add111d")
+    );
+
+    EXPECT_THAT(
+        backtrace,
+        HasSubstr("backtrace_ut.cpp:9:0 in InlinedFunction")
+    );
+
+    EXPECT_THAT(
+        backtrace,
+        HasSubstr("Function_3e15a2d04c8613ae64833c5407dd98")
+    );
+}
+
+TEST(dwarf_backtrace_should, handle_namespaces) {
+    EXPECT_THAT(
+        NTestNamespace::NamespacedFunction(),
+        HasSubstr("NTestNamespace::NamespacedFunction")
+    );
+}
diff --git a/library/cpp/dwarf_backtrace/ut/ya.make b/library/cpp/dwarf_backtrace/ut/ya.make
new file mode 100644
index 0000000000..9f23256483
--- /dev/null
+++ b/library/cpp/dwarf_backtrace/ut/ya.make
@@ -0,0 +1,12 @@
+GTEST()
+
+PEERDIR(
+    library/cpp/dwarf_backtrace
+    library/cpp/dwarf_backtrace/registry
+)
+
+SRCS(
+    backtrace_ut.cpp
+)
+
+END()
diff --git a/ydb/core/base/CMakeLists.darwin-x86_64.txt b/ydb/core/base/CMakeLists.darwin-x86_64.txt
index d9cc205a3c..680bf15851 100644
--- a/ydb/core/base/CMakeLists.darwin-x86_64.txt
+++ b/ydb/core/base/CMakeLists.darwin-x86_64.txt
@@ -39,10 +39,12 @@ target_link_libraries(ydb-core-base PUBLIC
   api-protos-out
   library-yql-minikql
   cpp-deprecated-atomic
+  library-cpp-dwarf_backtrace
 )
 target_sources(ydb-core-base PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/core/base/actor_activity_names.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/appdata.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/core/base/backtrace.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_lookup.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_publish.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_replica.cpp
diff --git a/ydb/core/base/CMakeLists.linux-aarch64.txt b/ydb/core/base/CMakeLists.linux-aarch64.txt
index 7f8a6c28b8..c4665d5a9d 100644
--- a/ydb/core/base/CMakeLists.linux-aarch64.txt
+++ b/ydb/core/base/CMakeLists.linux-aarch64.txt
@@ -40,10 +40,12 @@ target_link_libraries(ydb-core-base PUBLIC
   api-protos-out
   library-yql-minikql
   cpp-deprecated-atomic
+  library-cpp-dwarf_backtrace
 )
 target_sources(ydb-core-base PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/core/base/actor_activity_names.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/appdata.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/core/base/backtrace.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_lookup.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_publish.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_replica.cpp
diff --git a/ydb/core/base/CMakeLists.linux-x86_64.txt b/ydb/core/base/CMakeLists.linux-x86_64.txt
index 7f8a6c28b8..c4665d5a9d 100644
--- a/ydb/core/base/CMakeLists.linux-x86_64.txt
+++ b/ydb/core/base/CMakeLists.linux-x86_64.txt
@@ -40,10 +40,12 @@ target_link_libraries(ydb-core-base PUBLIC
   api-protos-out
   library-yql-minikql
   cpp-deprecated-atomic
+  library-cpp-dwarf_backtrace
 )
 target_sources(ydb-core-base PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/core/base/actor_activity_names.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/appdata.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/core/base/backtrace.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_lookup.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_publish.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_replica.cpp
diff --git a/ydb/core/base/CMakeLists.windows-x86_64.txt b/ydb/core/base/CMakeLists.windows-x86_64.txt
index d9cc205a3c..85d791fe9f 100644
--- a/ydb/core/base/CMakeLists.windows-x86_64.txt
+++ b/ydb/core/base/CMakeLists.windows-x86_64.txt
@@ -43,6 +43,7 @@ target_link_libraries(ydb-core-base PUBLIC
 target_sources(ydb-core-base PRIVATE
   ${CMAKE_SOURCE_DIR}/ydb/core/base/actor_activity_names.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/appdata.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/core/base/backtrace.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_lookup.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_publish.cpp
   ${CMAKE_SOURCE_DIR}/ydb/core/base/board_replica.cpp
diff --git a/ydb/core/base/backtrace.cpp b/ydb/core/base/backtrace.cpp
new file mode 100644
index 0000000000..906400d54d
--- /dev/null
+++ b/ydb/core/base/backtrace.cpp
@@ -0,0 +1,53 @@
+#include "backtrace.h"
+
+#include <util/system/backtrace.h>
+
+#if defined(__linux__) || defined(__APPLE__)
+#include <library/cpp/dwarf_backtrace/backtrace.h>
+#include <util/stream/format.h>
+#endif
+
+namespace NKikimr {
+
+#if defined(__linux__) || defined(__APPLE__)
+
+namespace {
+
+void FormatBacktraceDwarf(IOutputStream* out, void* const* backtrace, size_t backtraceSize) {
+    size_t frameIndex = 0;
+    bool allFramesUnknown = true;
+
+    auto error = NDwarf::ResolveBacktrace({backtrace, backtraceSize}, [out, &frameIndex, &allFramesUnknown](const NDwarf::TLineInfo& info) {
+        const TString & fileName = info.FileName == "???" ? "??" : info.FileName;
+        if (fileName != "??") {
+            allFramesUnknown = false;
+        }
+
+        const TString & functionName = info.FunctionName == "???" ? "??" : info.FunctionName;
+        *out << frameIndex << ". " << fileName << ":" << info.Line << ": " << functionName << " @ " << Hex(info.Address, HF_ADDX) << Endl;
+        ++frameIndex;
+
+        return NDwarf::EResolving::Continue;
+    });
+
+    /// Fallback to default backtrace format
+    if (error || allFramesUnknown) {
+        FormatBackTrace(out, backtrace, backtraceSize);
+    }
+}
+
+}
+
+void EnableYDBBacktraceFormat() {
+    SetFormatBackTraceFn(FormatBacktraceDwarf);
+}
+
+#else
+
+void EnableYDBBacktraceFormat() {
+    SetFormatBackTraceFn(FormatBackTrace);
+}
+
+#endif
+
+}
diff --git a/ydb/core/base/backtrace.h b/ydb/core/base/backtrace.h
new file mode 100644
index 0000000000..e1ebdc0631
--- /dev/null
+++ b/ydb/core/base/backtrace.h
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace NKikimr {
+
+void EnableYDBBacktraceFormat();
+
+}
diff --git a/ydb/core/base/ya.make b/ydb/core/base/ya.make
index a9c5c9934f..f96c27d0a3 100644
--- a/ydb/core/base/ya.make
+++ b/ydb/core/base/ya.make
@@ -4,6 +4,8 @@ SRCS(
     actor_activity_names.cpp
     appdata.h
     appdata.cpp
+    backtrace.h
+    backtrace.cpp
     board_lookup.cpp
     board_publish.cpp
     board_replica.cpp
@@ -99,6 +101,12 @@ PEERDIR(
     library/cpp/deprecated/atomic
 )
 
+IF (NOT OS_WINDOWS)
+PEERDIR(
+    library/cpp/dwarf_backtrace
+)
+ENDIF()
+
 END()
 
 RECURSE_FOR_TESTS(
diff --git a/ydb/core/driver_lib/run/main.cpp b/ydb/core/driver_lib/run/main.cpp
index e0d093c901..e7a6066739 100644
--- a/ydb/core/driver_lib/run/main.cpp
+++ b/ydb/core/driver_lib/run/main.cpp
@@ -20,6 +20,9 @@
 // compatibility info
 #include <ydb/core/driver_lib/version/version.h>
 
+// backtrace formatting
+#include <ydb/core/base/backtrace.h>
+
 #ifndef _win_
 #include <sys/mman.h>
 #endif
@@ -72,6 +75,8 @@ int MainRun(const TKikimrRunConfig& runConfig, std::shared_ptr<TModuleFactories>
         using namespace NLastGetopt;
         using TDriverModeParser = TCliCommands<EDriverMode>;
 
+        EnableYDBBacktraceFormat();
+
         NKikimrConfig::TAppConfig appConfig;
         TCommandConfig cmdConf;
         TKikimrRunConfig runConfig(appConfig);
diff --git a/ydb/core/kqp/ut/common/kqp_ut_common.cpp b/ydb/core/kqp/ut/common/kqp_ut_common.cpp
index e880587900..ae5a996481 100644
--- a/ydb/core/kqp/ut/common/kqp_ut_common.cpp
+++ b/ydb/core/kqp/ut/common/kqp_ut_common.cpp
@@ -1,5 +1,6 @@
 #include "kqp_ut_common.h"
 
+#include <ydb/core/base/backtrace.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/kqp/counters/kqp_counters.h>
 #include <ydb/core/kqp/provider/yql_kikimr_results.h>
@@ -87,7 +88,7 @@ TVector<NKikimrKqp::TKqpSetting> SyntaxV1Settings() {
 }
 
 TKikimrRunner::TKikimrRunner(const TKikimrSettings& settings) {
-    // EnableKikimrBacktraceFormat(); // Very slow, enable only when required locally
+    EnableYDBBacktraceFormat();
 
     auto mbusPort = PortManager.GetPort();
     auto grpcPort = PortManager.GetPort();