[pypy-commit] pypy vmprof-native: copied over modified vmprof files from vmprof-python.git repo
plan_rich
pypy.commits at gmail.com
Mon Feb 6 10:15:04 EST 2017
Author: Richard Plangger <planrichi at gmail.com>
Branch: vmprof-native
Changeset: r89973:34fc984fe649
Date: 2017-02-06 14:21 +0100
http://bitbucket.org/pypy/pypy/changeset/34fc984fe649/
Log: copied over modified vmprof files from vmprof-python.git repo
diff too long, truncating to 2000 out of 55586 lines
diff --git a/rpython/rlib/rvmprof/cintf.py b/rpython/rlib/rvmprof/cintf.py
--- a/rpython/rlib/rvmprof/cintf.py
+++ b/rpython/rlib/rvmprof/cintf.py
@@ -14,16 +14,40 @@
ROOT = py.path.local(rpythonroot).join('rpython', 'rlib', 'rvmprof')
SRC = ROOT.join('src')
+UDIS86 = ROOT.join('libudis86')
+BACKTRACE = ROOT.join('libbacktrace')
if sys.platform.startswith('linux'):
+ extra_compile = [
+ BACKTRACE.join('backtrace.c'),
+ BACKTRACE.join('state.c'),
+ BACKTRACE.join('elf.c'),
+ BACKTRACE.join('dwarf.c'),
+ BACKTRACE.join('fileline.c'),
+ BACKTRACE.join('mmap.c'),
+ BACKTRACE.join('mmapio.c'),
+ BACKTRACE.join('posix.c'),
+ BACKTRACE.join('sort.c'),
+ ]
_libs = ['dl']
else:
+ extra_compile = []
_libs = []
eci_kwds = dict(
include_dirs = [SRC],
includes = ['rvmprof.h', 'vmprof_stack.h'],
libraries = _libs,
- separate_module_files = [SRC.join('rvmprof.c')],
+ separate_module_files = [
+ SRC.join('rvmprof.c'),
+ SRC.join('compat.c'),
+ SRC.join('machine.c'),
+ SRC.join('symboltable.c'),
+ SRC.join('stack.c'),
+ # udis86
+ SRC.join('libudis86/decode.c'),
+ SRC.join('libudis86/itab.c'),
+ SRC.join('libudis86/udis86.c'),
+ ] + extra_compile,
post_include_bits=['#define RPYTHON_VMPROF\n'],
)
global_eci = ExternalCompilationInfo(**eci_kwds)
diff --git a/rpython/rlib/rvmprof/src/_vmprof.h b/rpython/rlib/rvmprof/src/_vmprof.h
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/_vmprof.h
@@ -0,0 +1,75 @@
+#pragma once
+
+#include <Python.h>
+#include <frameobject.h>
+
+#ifdef VMPROF_WINDOWS
+#include "msiinttypes/inttypes.h"
+#include "msiinttypes/stdint.h"
+#else
+#include <inttypes.h>
+#include <stdint.h>
+#endif
+
+/**
+ * This whole setup is very strange. There was just one C file called
+ * _vmprof.c which included all *.h files to copy code. Unsure what
+ * the goal was with this design, but I assume it just 'GREW'
+ *
+ * Thus I'm (plan_rich) slowly trying to separate this. *.h files
+ * should not have complex implementations (all of them currently have them)
+ */
+
+
+#define SINGLE_BUF_SIZE (8192 - 2 * sizeof(unsigned int))
+
+#define ROUTINE_IS_PYTHON(RIP) ((unsigned long long)RIP & 0x1) == 0
+#define ROUTINE_IS_C(RIP) ((unsigned long long)RIP & 0x1) == 1
+
+typedef uint64_t ptr_t;
+
+/* This returns the address of the code object
+ as the identifier. The mapping from identifiers to string
+ representations of the code object is done elsewhere, namely:
+
+ * If the code object dies while vmprof is enabled,
+ PyCode_Type.tp_dealloc will emit it. (We don't handle nicely
+ for now the case where several code objects are created and die
+ at the same memory address.)
+
+ * When _vmprof.disable() is called, then we look around the
+ process for code objects and emit all the ones that we can
+ find (which we hope is very close to 100% of them).
+*/
+#define CODE_ADDR_TO_UID(co) (((intptr_t)(co)))
+
+#define CPYTHON_HAS_FRAME_EVALUATION PY_VERSION_HEX >= 0x30600B0
+
+PyObject* vmprof_eval(PyFrameObject *f, int throwflag);
+
+#ifdef VMPROF_UNIX
+#define VMP_SUPPORTS_NATIVE_PROFILING
+#endif
+
+#define MARKER_STACKTRACE '\x01'
+#define MARKER_VIRTUAL_IP '\x02'
+#define MARKER_TRAILER '\x03'
+#define MARKER_INTERP_NAME '\x04' /* deprecated */
+#define MARKER_HEADER '\x05'
+#define MARKER_TIME_N_ZONE '\x06'
+#define MARKER_META '\x07'
+#define MARKER_NATIVE_SYMBOLS '\x08'
+
+#define VERSION_BASE '\x00'
+#define VERSION_THREAD_ID '\x01'
+#define VERSION_TAG '\x02'
+#define VERSION_MEMORY '\x03'
+#define VERSION_MODE_AWARE '\x04'
+#define VERSION_DURATION '\x05'
+#define VERSION_TIMESTAMP '\x06'
+
+#define PROFILE_MEMORY '\x01'
+#define PROFILE_LINES '\x02'
+#define PROFILE_NATIVE '\x04'
+
+int vmp_write_all(const char *buf, size_t bufsize);
diff --git a/rpython/rlib/rvmprof/src/compat.c b/rpython/rlib/rvmprof/src/compat.c
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/compat.c
@@ -0,0 +1,137 @@
+#include "compat.h"
+
+#include "_vmprof.h"
+
+#if VMPROF_WINDOWS
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#endif
+
+static int _vmp_profile_fileno = -1;
+
+int vmp_profile_fileno(void) {
+ return _vmp_profile_fileno;
+}
+void vmp_set_profile_fileno(int fileno) {
+ _vmp_profile_fileno = fileno;
+}
+
+#ifndef VMPROF_WINDOWS
+int vmp_write_all(const char *buf, size_t bufsize)
+{
+ ssize_t count;
+ if (_vmp_profile_fileno == -1) {
+ return -1;
+ }
+ while (bufsize > 0) {
+ count = write(_vmp_profile_fileno, buf, bufsize);
+ if (count <= 0)
+ return -1; /* failed */
+ buf += count;
+ bufsize -= count;
+ }
+ return 0;
+}
+#endif
+
+int vmp_write_meta(const char * key, const char * value)
+{
+ char marker = MARKER_META;
+ long x = (long)strlen(key);
+ vmp_write_all(&marker, 1);
+ vmp_write_all((char*)&x, sizeof(long));
+ vmp_write_all(key, x);
+ x = (long)strlen(value);
+ vmp_write_all((char*)&x, sizeof(long));
+ vmp_write_all(value, x);
+ return 0;
+}
+
+/**
+ * Write the time and zone now.
+ */
+
+struct timezone_buf {
+ int64_t tv_sec;
+ int64_t tv_usec;
+};
+#define __SIZE (1+sizeof(struct timezone_buf)+8)
+
+#ifdef VMPROF_UNIX
+int vmp_write_time_now(int marker) {
+ char buffer[__SIZE];
+ struct timezone_buf buf;
+
+ (void)memset(&buffer, 0, __SIZE);
+
+ assert((marker == MARKER_TRAILER || marker == MARKER_TIME_N_ZONE) && \
+ "marker must be either a trailer or time_n_zone!");
+
+ struct timeval tv;
+ time_t now;
+ struct tm tm;
+
+
+ /* copy over to the struct */
+ if (gettimeofday(&tv, NULL) != 0) {
+ return -1;
+ }
+ if (time(&now) == (time_t)-1) {
+ return -1;
+ }
+ if (localtime_r(&now, &tm) == NULL) {
+ return -1;
+ }
+ buf.tv_sec = tv.tv_sec;
+ buf.tv_usec = tv.tv_usec;
+ strncpy(((char*)buffer)+__SIZE-8, tm.tm_zone, 8);
+
+ buffer[0] = marker;
+ (void)memcpy(buffer+1, &buf, sizeof(struct timezone_buf));
+ vmp_write_all(buffer, __SIZE);
+ return 0;
+}
+#endif
+
+#ifdef VMPROF_WINDOWS
+int vmp_write_time_now(int marker) {
+ char buffer[__SIZE];
+ struct timezone_buf buf;
+
+ /**
+ * http://stackoverflow.com/questions/10905892/equivalent-of-gettimeday-for-windows
+ */
+
+ // Note: some broken versions only have 8 trailing zero's, the correct
+ // epoch has 9 trailing zero's
+ static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL);
+
+ SYSTEMTIME system_time;
+ FILETIME file_time;
+ uint64_t time;
+
+ (void)memset(&buffer, 0, __SIZE);
+
+ assert((marker == MARKER_TRAILER || marker == MARKER_TIME_N_ZONE) && \
+ "marker must be either a trailer or time_n_zone!");
+
+
+ GetSystemTime( &system_time );
+ SystemTimeToFileTime( &system_time, &file_time );
+ time = ((uint64_t)file_time.dwLowDateTime ) ;
+ time += ((uint64_t)file_time.dwHighDateTime) << 32;
+
+ buf.tv_sec = ((time - EPOCH) / 10000000L);
+ buf.tv_usec = (system_time.wMilliseconds * 1000);
+
+ // time zone not implemented on windows
+ memset(((char*)buffer)+__SIZE-8, 0, 8);
+ (void)memcpy(((char*)buffer)+__SIZE-8, "UTC", 3);
+
+ buffer[0] = marker;
+ (void)memcpy(buffer+1, &buf, sizeof(struct timezone_buf));
+ vmp_write_all(buffer, __SIZE);
+ return 0;
+}
+#endif
+#undef __SIZE
diff --git a/rpython/rlib/rvmprof/src/compat.h b/rpython/rlib/rvmprof/src/compat.h
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/compat.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <Python.h>
+
+#if PY_MAJOR_VERSION >= 3
+ #define PyStr_AS_STRING PyBytes_AS_STRING
+ #define PyStr_GET_SIZE PyBytes_GET_SIZE
+ #define PyStr_NEW PyUnicode_FromString
+ #define PyLong_NEW PyLong_FromLong
+#else
+ #define PyStr_AS_STRING PyString_AS_STRING
+ #define PyStr_GET_SIZE PyString_GET_SIZE
+ #define PyStr_NEW PyString_FromString
+ #define PyLong_NEW PyInt_FromLong
+#endif
+
+int vmp_write_all(const char *buf, size_t bufsize);
+int vmp_write_time_now(int marker);
+int vmp_write_meta(const char * key, const char * value);
+
+int vmp_profile_fileno(void);
+void vmp_set_profile_fileno(int fileno);
diff --git a/rpython/rlib/rvmprof/src/libbacktrace/ChangeLog b/rpython/rlib/rvmprof/src/libbacktrace/ChangeLog
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/libbacktrace/ChangeLog
@@ -0,0 +1,602 @@
+2017-01-01 Jakub Jelinek <jakub at redhat.com>
+
+ Update copyright years.
+
+2016-11-15 Matthias Klose <doko at ubuntu.com>
+
+ * configure: Regenerate.
+
+2016-09-11 Carlos Liam <carlos at aarzee.me>
+
+ * all: Remove meaningless trailing whitespace.
+
+2016-05-18 Uros Bizjak <ubizjak at gmail.com>
+
+ PR target/71161
+ * elf.c (phdr_callback) [__i386__]: Add
+ __attribute__((__force_align_arg_pointer__)).
+
+2016-03-02 Maxim Ostapenko <m.ostapenko at partner.samsung.com>
+
+ * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
+ avoid possible crash.
+ (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
+ missing debug info anymore.
+
+2016-02-06 John David Anglin <danglin at gcc.gnu.org>
+
+ * mmap.c (MAP_FAILED): Define if not defined.
+
+2016-01-04 Jakub Jelinek <jakub at redhat.com>
+
+ Update copyright years.
+
+2015-12-18 Andris Pavenis <andris.pavenis at iki.fi>
+
+ * configure.ac: Specify that DJGPP do not have mmap
+ even when sys/mman.h exists.
+ * configure: Regenerate
+
+2015-12-09 John David Anglin <danglin at gcc.gnu.org>
+
+ PR libgfortran/68115
+ * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
+ * configure: Regenerate.
+ * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
+ to void.
+
+2015-09-17 Ian Lance Taylor <iant at google.com>
+
+ * posix.c (backtrace_open): Cast second argument of open() to int.
+
+2015-09-11 Ian Lance Taylor <iant at google.com>
+
+ * Makefile.am (backtrace.lo): Depend on internal.h.
+ (sort.lo, stest.lo): Add explicit dependencies.
+ * Makefile.in: Rebuild.
+
+2015-09-09 Hans-Peter Nilsson <hp at axis.com>
+
+ * backtrace.c: #include <sys/types.h>.
+
+2015-09-08 Ian Lance Taylor <iant at google.com>
+
+ PR other/67457
+ * backtrace.c: #include "internal.h".
+ (struct backtrace_data): Add can_alloc field.
+ (unwind): If can_alloc is false, don't try to get file/line
+ information.
+ (backtrace_full): Set can_alloc field in bdata.
+ * alloc.c (backtrace_alloc): Don't call error_callback if it is
+ NULL.
+ * mmap.c (backtrace_alloc): Likewise.
+ * internal.h: Update comments for backtrace_alloc and
+ backtrace_free.
+
+2015-09-08 Ian Lance Taylor <iant at google.com>
+
+ PR other/67457
+ * mmap.c (backtrace_alloc): Correct test for mmap failure.
+
+2015-08-31 Ulrich Weigand <Ulrich.Weigand at de.ibm.com>
+
+ * configure.ac: For spu-*-* targets, set have_fcntl to no.
+ * configure: Regenerate.
+
+2015-08-27 Ulrich Weigand <Ulrich.Weigand at de.ibm.com>
+
+ * configure.ac: Remove [disable-shared] argument to LT_INIT.
+ Remove setting PIC_FLAG when building as target library.
+ * configure: Regenerate.
+
+2015-08-26 Hans-Peter Nilsson <hp at axis.com>
+
+ * configure.ac: Only compile with -fPIC if the target
+ supports it.
+ * configure: Regenerate.
+
+2015-08-24 Ulrich Weigand <Ulrich.Weigand at de.ibm.com>
+
+ * configure.ac: Set have_mmap to no on spu-*-* targets.
+ * configure: Regenerate.
+
+2015-08-13 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (read_function_entry): Add vec_inlined parameter.
+ Change all callers.
+
+2015-06-11 Martin Sebor <msebor at redhat.com>
+
+ PR sanitizer/65479
+ * dwarf.c (struct line): Add new field idx.
+ (line_compare): Use it.
+ (add_line): Set it.
+ (read_line_info): Reset it.
+
+2015-05-29 Tristan Gingold <gingold at adacore.com>
+
+ * pecoff.c: New file.
+ * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
+ * Makefile.in: Regenerate.
+ * filetype.awk: Detect pecoff.
+ * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
+ Add pecoff.
+ * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
+ true.
+ * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
+ * configure: Regenerate.
+ * pecoff.c: New file.
+
+2015-05-13 Michael Haubenwallner <michael.haubenwallner at ssi-schaefer.com>
+
+ * Makefile.in: Regenerated with automake-1.11.6.
+ * aclocal.m4: Likewise.
+ * configure: Likewise.
+
+2015-01-24 Matthias Klose <doko at ubuntu.com>
+
+ * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
+ * configure: Regenerate.
+
+2015-01-05 Jakub Jelinek <jakub at redhat.com>
+
+ Update copyright years.
+
+2014-11-21 H.J. Lu <hongjiu.lu at intel.com>
+
+ PR bootstrap/63784
+ * configure: Regenerated.
+
+2014-11-11 David Malcolm <dmalcolm at redhat.com>
+
+ * ChangeLog.jit: New.
+
+2014-11-11 Francois-Xavier Coudert <fxcoudert at gcc.gnu.org>
+
+ PR target/63610
+ * configure: Regenerate.
+
+2014-10-23 Ian Lance Taylor <iant at google.com>
+
+ * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
+ Fix to return void *.
+
+2014-05-08 Ian Lance Taylor <iant at google.com>
+
+ * mmap.c (backtrace_free): If freeing a large aligned block of
+ memory, call munmap rather than holding onto it.
+ (backtrace_vector_grow): When growing a vector, double the number
+ of pages requested. When releasing the old version of a grown
+ vector, pass the correct size to backtrace_free.
+
+2014-03-07 Ian Lance Taylor <iant at google.com>
+
+ * sort.c (backtrace_qsort): Use middle element as pivot.
+
+2014-03-06 Ian Lance Taylor <iant at google.com>
+
+ * sort.c: New file.
+ * stest.c: New file.
+ * internal.h (backtrace_qsort): Declare.
+ * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
+ (read_line_info, read_function_entry): Likewise.
+ (read_function_info, build_dwarf_data): Likewise.
+ * elf.c (elf_initialize_syminfo): Likewise.
+ * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
+ (stest_SOURCES, stest_LDADD): Define.
+ (check_PROGRAMS): Add stest.
+
+2014-02-07 Misty De Meo <misty at brew.sh>
+
+ PR target/58710
+ * configure.ac: Use AC_LINK_IFELSE in check for
+ _Unwind_GetIPInfo.
+ * configure: Regenerate.
+
+2014-01-02 Richard Sandiford <rdsandiford at googlemail.com>
+
+ Update copyright years
+
+2013-12-06 Jakub Jelinek <jakub at redhat.com>
+
+ * elf.c (ET_DYN): Undefine and define again.
+ (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
+ return early -1 without closing the descriptor.
+ (struct phdr_data): Add exe_descriptor.
+ (phdr_callback): If pd->exe_descriptor is not -1, for very first
+ call if dlpi_name is NULL just call elf_add with the exe_descriptor,
+ otherwise backtrace_close the exe_descriptor if not -1. Adjust
+ call to elf_add.
+ (backtrace_initialize): Adjust call to elf_add. If it returns
+ -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
+
+2013-12-05 Ian Lance Taylor <iant at google.com>
+
+ * alloc.c (backtrace_vector_finish): Add error_callback and data
+ parameters. Call backtrace_vector_release. Return address base.
+ * mmap.c (backtrace_vector_finish): Add error_callback and data
+ parameters. Return address base.
+ * dwarf.c (read_function_info): Get new address base from
+ backtrace_vector_finish.
+ * internal.h (backtrace_vector_finish): Update declaration.
+
+2013-11-27 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (find_address_ranges): New static function, broken out
+ of build_address_map.
+ (build_address_map): Call it.
+ * btest.c (check): Check for missing filename or function, rather
+ than crashing.
+ (f3): Check that enough frames were returned.
+
+2013-11-19 Jakub Jelinek <jakub at redhat.com>
+
+ * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
+ * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
+ last argument.
+ * btest.c (struct symdata): Add size field.
+ (callback_three): Add symsize argument. Copy it to the data->size
+ field.
+ (f23): Set symdata.size to 0.
+ (test5): Likewise. If sizeof (int) > 1, lookup address of
+ ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
+ values.
+
+ * atomic.c: Include sys/types.h.
+
+2013-11-18 Ian Lance Taylor <iant at google.com>
+
+ * configure.ac: Check for support of __atomic extensions.
+ * internal.h: Declare or #define atomic functions for use in
+ backtrace code.
+ * atomic.c: New file.
+ * dwarf.c (dwarf_lookup_pc): Use atomic functions.
+ (dwarf_fileline, backtrace_dwarf_add): Likewise.
+ * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
+ (backtrace_initialize): Likewise.
+ * fileline.c (fileline_initialize): Likewise.
+ * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
+ * configure, config.h.in, Makefile.in: Rebuild.
+
+2013-11-18 Jakub Jelinek <jakub at redhat.com>
+
+ * elf.c (SHN_UNDEF): Define.
+ (elf_initialize_syminfo): Add base_address argument. Ignore symbols
+ with st_shndx == SHN_UNDEF. Add base_address to address fields.
+ (elf_add): Adjust caller.
+
+ * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
+
+2013-11-16 Ian Lance Taylor <iant at google.com>
+
+ * backtrace.h (backtrace_create_state): Correct comment about
+ threading.
+
+2013-11-15 Ian Lance Taylor <iant at google.com>
+
+ * backtrace.h (backtrace_syminfo): Update comment and parameter
+ name to take any address, not just a PC value.
+ * elf.c (STT_OBJECT): Define.
+ (elf_nosyms): Rename parameter pc to addr.
+ (elf_symbol_search): Rename local variable pc to addr.
+ (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
+ (elf_syminfo): Rename parameter pc to addr.
+ * btest.c (global): New global variable.
+ (test5): New test.
+ (main): Call test5.
+
+2013-10-17 Ian Lance Taylor <iant at google.com>
+
+ * elf.c (elf_add): Don't get the wrong offsets if a debug section
+ is missing.
+
+2013-10-15 David Malcolm <dmalcolm at redhat.com>
+
+ * configure.ac: Add --enable-host-shared, setting up
+ pre-existing PIC_FLAG variable within Makefile.am et al.
+ * configure: Regenerate.
+
+2013-09-20 Alan Modra <amodra at gmail.com>
+
+ * configure: Regenerate.
+
+2013-07-23 Alexander Monakov <amonakov at ispras.ru>
+
+ * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
+
+2013-07-23 Alexander Monakov <amonakov at ispras.ru>
+
+ * elf.c (backtrace_initialize): Pass elf_fileline_fn to
+ dl_iterate_phdr callbacks.
+
+2013-03-25 Ian Lance Taylor <iant at google.com>
+
+ * alloc.c: #include <sys/types.h>.
+ * mmap.c: Likewise.
+
+2013-01-31 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
+ (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
+
+2013-01-25 Jakub Jelinek <jakub at redhat.com>
+
+ PR other/56076
+ * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
+ attribute was not seen.
+
+2013-01-16 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (struct unit): Add filename and abs_filename fields.
+ (build_address_map): Set new fields when reading unit.
+ (dwarf_lookup_pc): If we don't find an entry in the line table,
+ just return the main file name.
+
+2013-01-14 Richard Sandiford <rdsandiford at googlemail.com>
+
+ Update copyright years.
+
+2013-01-01 Ian Lance Taylor <iant at google.com>
+
+ PR bootstrap/54834
+ * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
+ $(MULTIBUILDTOP)/../../gcc/include.
+ * Makefile.in: Rebuild.
+
+2013-01-01 Ian Lance Taylor <iant at google.com>
+
+ PR other/55536
+ * mmap.c (backtrace_alloc): Don't call sync functions if not
+ threaded.
+ (backtrace_free): Likewise.
+
+2012-12-12 John David Anglin <dave.anglin at nrc-cnrc.gc.ca>
+
+ * mmapio.c: Define MAP_FAILED if not defined.
+
+2012-12-11 Jakub Jelinek <jakub at redhat.com>
+
+ PR bootstrap/54926
+ * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
+ * configure.ac: If --with-target-subdir, add -frandom-seed=$@
+ to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
+ accepts it.
+ * Makefile.in: Regenerated.
+ * configure: Regenerated.
+
+2012-12-07 Jakub Jelinek <jakub at redhat.com>
+
+ PR bootstrap/54926
+ * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
+ * Makefile.in: Regenerated.
+
+2012-11-20 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (read_attribute): Always clear val.
+
+2012-11-13 Ian Lance Taylor <iant at google.com>
+
+ PR other/55312
+ * configure.ac: Only add -Werror if building a target library.
+ * configure: Rebuild.
+
+2012-11-12 Ian Lance Taylor <iant at google.com>
+ Rainer Orth <ro at CeBiTec.Uni-Bielefeld.DE>
+ Gerald Pfeifer <gerald at pfeifer.com>
+
+ * configure.ac: Check for getexecname.
+ * fileline.c: #include <errno.h>. Define getexecname if not
+ available.
+ (fileline_initialize): Try to find the executable in a few
+ different ways.
+ * print.c (error_callback): Only print the filename if it came
+ from the backtrace state.
+ * configure, config.h.in: Rebuild.
+
+2012-10-29 Ian Lance Taylor <iant at google.com>
+
+ * mmap.c (backtrace_vector_release): Correct last patch: add
+ aligned, not size.
+
+2012-10-29 Ian Lance Taylor <iant at google.com>
+
+ * mmap.c (backtrace_vector_release): Make sure freed block is
+ aligned on 8-byte boundary.
+
+2012-10-26 Ian Lance Taylor <iant at google.com>
+
+ PR other/55087
+ * posix.c (backtrace_open): Add does_not_exist parameter.
+ * elf.c (phdr_callback): Do not warn if shared library could not
+ be opened.
+ * fileline.c (fileline_initialize): Update calls to
+ backtrace_open.
+ * internal.h (backtrace_open): Update declaration.
+
+2012-10-26 Jack Howarth <howarth at bromo.med.uc.edu>
+
+ PR target/55061
+ * configure.ac: Check for _Unwind_GetIPInfo function declaration.
+ * configure: Regenerate.
+
+2012-10-24 Ian Lance Taylor <iant at google.com>
+
+ PR target/55061
+ * configure.ac: Check whether -funwind-tables option works.
+ * configure: Rebuild.
+
+2012-10-11 Ian Lance Taylor <iant at google.com>
+
+ * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
+ * configure: Rebuild.
+
+2012-10-10 Ian Lance Taylor <iant at google.com>
+
+ * elf.c: Rename all Elf typedefs to start with b_elf, and be all
+ lower case.
+
+2012-10-10 Hans-Peter Nilsson <hp at bitrange.com>
+
+ * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
+
+2012-10-09 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (dwarf_fileline): Add cast to avoid warning.
+ (backtrace_dwarf_add): Likewise.
+
+2012-10-09 Ian Lance Taylor <iant at google.com>
+
+ Add support for tracing through shared libraries.
+ * configure.ac: Check for link.h and dl_iterate_phdr.
+ * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
+ ELF macros before #defining them.
+ (dl_phdr_info, dl_iterate_phdr): Define if system does not have
+ dl_iterate_phdr.
+ (struct elf_syminfo_data): Add next field.
+ (elf_initialize_syminfo): Initialize next field.
+ (elf_add_syminfo_data): New static function.
+ (elf_add): New static function, broken out of
+ backtrace_initialize. Call backtrace_dwarf_add instead of
+ backtrace_dwarf_initialize.
+ (struct phdr_data): Define.
+ (phdr_callback): New static function.
+ (backtrace_initialize): Call elf_add.
+ * dwarf.c (struct dwarf_data): Add next and base_address fields.
+ (add_unit_addr): Add base_address parameter. Change all callers.
+ (add_unit_ranges, build_address_map): Likewise.
+ (add_line): Add ddata parameter. Change all callers.
+ (read_line_program, add_function_range): Likewise.
+ (dwarf_lookup_pc): New static function, broken out of
+ dwarf_fileline.
+ (dwarf_fileline): Call dwarf_lookup_pc.
+ (build_dwarf_data): New static function.
+ (backtrace_dwarf_add): New function.
+ (backtrace_dwarf_initialize): Remove.
+ * internal.h (backtrace_dwarf_initialize): Don't declare.
+ (backtrace_dwarf_add): Declare.
+ * configure, config.h.in: Rebuild.
+
+2012-10-04 Gerald Pfeifer <gerald at pfeifer.com>
+
+ * btest.c (f23): Avoid uninitialized variable warning.
+
+2012-10-04 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c: If the system header files do not declare strnlen,
+ provide our own version.
+
+2012-10-03 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c (read_uleb128): Fix overflow test.
+ (read_sleb128): Likewise.
+ (build_address_map): Don't change unit_buf.start.
+
+2012-10-02 Uros Bizjak <ubizjak at gmail.com>
+
+ PR other/54761
+ * configure.ac (EXTRA_FLAGS): New.
+ * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
+ * configure, Makefile.in: Regenerate.
+
+2012-09-29 Ian Lance Taylor <iant at google.com>
+
+ PR other/54749
+ * fileline.c (fileline_initialize): Pass errnum as -1 when
+ reporting that we could not read executable information after a
+ previous failure.
+
+2012-09-27 Ian Lance Taylor <iant at google.com>
+
+ PR bootstrap/54732
+ * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
+ * Makefile.am: Add dependencies for all objects.
+ * configure, aclocal.m4, Makefile.in: Rebuild.
+
+2012-09-27 Ian Lance Taylor <iant at google.com>
+
+ PR other/54726
+ * elf.c (backtrace_initialize): Set *fileln_fn, not
+ state->fileln_fn.
+
+2012-09-19 Ian Lance Taylor <iant at google.com>
+
+ * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
+ as a target library.
+ * configure: Rebuild.
+
+2012-09-19 Rainer Orth <ro at CeBiTec.Uni-Bielefeld.DE>
+ Ian Lance Taylor <iant at google.com>
+
+ * configure.ac (GCC_HEADER_STDINT): Invoke.
+ * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
+ * btest.c: Don't include <stdint.h>.
+ * dwarf.c: Likewise.
+ * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
+
+2012-09-18 Ian Lance Taylor <iant at google.com>
+
+ PR bootstrap/54623
+ * Makefile.am (AM_CPPFLAGS): Define.
+ (AM_CFLAGS): Remove -I options.
+ * Makefile.in: Rebuild.
+
+2012-09-18 Ian Lance Taylor <iant at google.com>
+
+ * posix.c (O_BINARY): Define if not defined.
+ (backtrace_open): Pass O_BINARY to open. Only call fcntl if
+ HAVE_FCNTL is defined.
+ * configure.ac: Test for the fcntl function.
+ * configure, config.h.in: Rebuild.
+
+2012-09-18 Ian Lance Taylor <iant at google.com>
+
+ * btest.c (test1, test2, test3, test4): Add the unused attribute.
+
+2012-09-18 Ian Lance Taylor <iant at google.com>
+
+ * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
+
+2012-09-18 Ian Lance Taylor <iant at google.com>
+
+ * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
+ * mmapio.c: Don't define _GNU_SOURCE.
+ * configure, config.h.in: Rebuild.
+
+2012-09-18 Ian Lance Taylor <iant at google.com>
+
+ * configure.ac: Check whether strnlen is declared.
+ * dwarf.c: Declare strnlen if not declared.
+ * configure, config.h.in: Rebuild.
+
+2012-09-18 Rainer Orth <ro at CeBiTec.Uni-Bielefeld.DE>
+
+ * fileline.c: Include <stdlib.h>.
+ * mmap.c: Likewise.
+
+2012-09-17 Ian Lance Taylor <iant at google.com>
+
+ PR bootstrap/54611
+ * nounwind.c (backtrace_full): Rename from backtrace. Add state
+ parameter.
+
+2012-09-17 Gerald Pfeifer <gerald at pfeifer.com>
+
+ PR bootstrap/54611
+ * nounwind.c (backtrace_simple): Add state parameter.
+
+2012-09-17 Ian Lance Taylor <iant at google.com>
+
+ PR bootstrap/54609
+ * unknown.c (unknown_fileline): Add state parameter, remove
+ fileline_data parameter, name error_callback parameter.
+ (backtrace_initialize): Add state parameter.
+
+2012-09-17 Ian Lance Taylor <iant at google.com>
+
+ * Initial implementation.
+
+Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.
diff --git a/rpython/rlib/rvmprof/src/libbacktrace/ChangeLog.jit b/rpython/rlib/rvmprof/src/libbacktrace/ChangeLog.jit
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/libbacktrace/ChangeLog.jit
@@ -0,0 +1,14 @@
+2014-09-24 David Malcolm <dmalcolm at redhat.com>
+
+ * ChangeLog.jit: Add copyright footer.
+
+2013-10-03 David Malcolm <dmalcolm at redhat.com>
+
+ * configure.ac: Add --enable-host-shared.
+ * configure: Regenerate.
+
+Copyright (C) 2013-2014 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.
diff --git a/rpython/rlib/rvmprof/src/libbacktrace/Makefile b/rpython/rlib/rvmprof/src/libbacktrace/Makefile
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/libbacktrace/Makefile
@@ -0,0 +1,770 @@
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+unknown.lo: config.h backtrace.h internal.h
+
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+# Otherwise a system limit (for SysV at least) may be exceeded.
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diff --git a/rpython/rlib/rvmprof/src/libbacktrace/Makefile.am b/rpython/rlib/rvmprof/src/libbacktrace/Makefile.am
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/libbacktrace/Makefile.am
@@ -0,0 +1,136 @@
+# Makefile.am -- Backtrace Makefile.
+# Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+# 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.
+
+ACLOCAL_AMFLAGS = -I .. -I ../config
+
+AM_CPPFLAGS = -I $(top_srcdir)/../include -I $(top_srcdir)/../libgcc \
+ -I ../libgcc
+
+AM_CFLAGS = $(EXTRA_FLAGS) $(WARN_FLAGS) $(PIC_FLAG)
+
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+
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+ backtrace.h \
+ atomic.c \
+ dwarf.c \
+ fileline.c \
+ internal.h \
+ posix.c \
+ print.c \
+ sort.c \
+ state.c
+
+BACKTRACE_FILES = \
+ backtrace.c \
+ simple.c \
+ nounwind.c
+
+FORMAT_FILES = \
+ elf.c \
+ pecoff.c \
+ unknown.c
+
+VIEW_FILES = \
+ read.c \
+ mmapio.c
+
+ALLOC_FILES = \
+ alloc.c \
+ mmap.c
+
+EXTRA_libbacktrace_la_SOURCES = \
+ $(BACKTRACE_FILES) \
+ $(FORMAT_FILES) \
+ $(VIEW_FILES) \
+ $(ALLOC_FILES)
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+ $(VIEW_FILE) \
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+
+# Testsuite.
+
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+
+TESTS = $(check_PROGRAMS)
+
+if NATIVE
+
+btest_SOURCES = btest.c
+btest_CFLAGS = $(AM_CFLAGS) -g -O
+btest_LDADD = libbacktrace.la
+
+check_PROGRAMS += btest
+
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+
+check_PROGRAMS += stest
+
+endif NATIVE
+
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+# breaks when using bootstrap-lean. Automatic dependency tracking
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+# header files in prev-gcc/include, e.g., stddef.h and stdarg.h. When
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+# running "make install", those header files will be gone, causing the
+# library to be rebuilt at install time. That may not succeed.
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+# These manual dependencies do not include dependencies on unwind.h,
+# even though that is part of GCC, because where to find it depends on
+# whether we are being built as a host library or a target library.
+
+INCDIR = $(top_srcdir)/../include
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+unknown.lo: config.h backtrace.h internal.h
diff --git a/rpython/rlib/rvmprof/src/libbacktrace/Makefile.in b/rpython/rlib/rvmprof/src/libbacktrace/Makefile.in
new file mode 100644
--- /dev/null
+++ b/rpython/rlib/rvmprof/src/libbacktrace/Makefile.in
@@ -0,0 +1,770 @@
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+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
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+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+# Makefile.am -- Backtrace Makefile.
+# Copyright (C) 2012-2016 Free Software Foundation, Inc.
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+# Redistribution and use in source and binary forms, with or without
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+# 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
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+# 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.
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
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