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Accepting request 237518 from home:k0da:ppc

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- fix issue 628 (gperftools 2.2 fails to build on powerpc)
  missing_includes.patch

OBS-URL: https://build.opensuse.org/request/show/237518
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/gperftools?expand=0&rev=21
This commit is contained in:
Stephan Kulow 2014-06-16 12:18:26 +00:00 committed by Git OBS Bridge
parent c4d02c4ef7
commit a97dd8f334
3 changed files with 425 additions and 1 deletions
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6
gperftools.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Mon Jun 16 10:51:46 UTC 2014 - dvaleev@suse.com
- fix issue 628 (gperftools 2.2 fails to build on powerpc)
missing_includes.patch
-------------------------------------------------------------------
Mon May 19 15:39:40 UTC 2014 - cgardner@suse.com

5
gperftools.spec
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@ -1,7 +1,7 @@
#
# spec file for package gperftools
#
# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
@ -24,6 +24,8 @@ Source0: %{name}-%{version}.tar.gz
Patch4: %{name}-fix_docdir.patch
Patch12: %{name}_fix_unassigned_malloc_in_unittest.patch
Patch14: %{name}_gcc46.patch
#PATCH-FIX-UPSTREAM https://code.google.com/p/gperftools/issues/detail?id=268
Patch15: missing_includes.patch
BuildRequires: autoconf
BuildRequires: automake
BuildRequires: gcc-c++
@ -63,6 +65,7 @@ files for developing applications that use the gperftools package.
%patch4 -p1
%patch12 -p1
%patch14 -p1
%patch15 -p1
%build
autoreconf -fi

415
missing_includes.patch Normal file
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@ -0,0 +1,415 @@
commit 75b65f96b0bb44d70e0a461a03a3f8c928390283
Author: Raphael Moreira Zinsly <rzinsly@linux.vnet.ibm.com>
Date: Tue Apr 8 17:45:13 2014 -0300
PowerPC: stacktrace function refactor and fixes
This patch fixes the stacktrace creating when the function is
interrupted by a signal. For Linux, the vDSO signal trampoline symbol is
compared against LR from stack backchain and handled different in that
case (since the signal trampoline layout a different stack frame).
Because of this extensive change the PowerPC stacktrace code has now
been refactored to split in Linux and Darwin specific codes.
diff --git a/src/stacktrace_powerpc-darwin-inl.h b/src/stacktrace_powerpc-darwin-inl.h
new file mode 100644
index 0000000..c4c2edb
--- /dev/null
+++ b/src/stacktrace_powerpc-darwin-inl.h
@@ -0,0 +1,158 @@
+// Copyright (c) 2007, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "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 COPYRIGHT
+// OWNER OR CONTRIBUTORS 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.
+
+// ---
+// Produce stack trace. ABI documentation reference can be found at:
+// * PowerPC32 ABI: https://www.power.org/documentation/
+// power-architecture-32-bit-abi-supplement-1-0-embeddedlinuxunified/
+// * PowerPC64 ABI:
+// http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK
+
+#ifndef BASE_STACKTRACE_POWERPC_INL_H_
+#define BASE_STACKTRACE_POWERPC_INL_H_
+// Note: this file is included into stacktrace.cc more than once.
+// Anything that should only be defined once should be here:
+
+#include <stdint.h> // for uintptr_t
+#include <stdlib.h> // for NULL
+#include <gperftools/stacktrace.h>
+
+// Given a pointer to a stack frame, locate and return the calling
+// stackframe, or return NULL if no stackframe can be found. Perform sanity
+// checks (the strictness of which is controlled by the boolean parameter
+// "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned.
+template<bool STRICT_UNWINDING>
+static void **NextStackFrame(void **old_sp) {
+ void **new_sp = (void **) *old_sp;
+
+ // Check that the transition from frame pointer old_sp to frame
+ // pointer new_sp isn't clearly bogus
+ if (STRICT_UNWINDING) {
+ // With the stack growing downwards, older stack frame must be
+ // at a greater address that the current one.
+ if (new_sp <= old_sp) return NULL;
+ // Assume stack frames larger than 100,000 bytes are bogus.
+ if ((uintptr_t)new_sp - (uintptr_t)old_sp > 100000) return NULL;
+ } else {
+ // In the non-strict mode, allow discontiguous stack frames.
+ // (alternate-signal-stacks for example).
+ if (new_sp == old_sp) return NULL;
+ // And allow frames upto about 1MB.
+ if ((new_sp > old_sp)
+ && ((uintptr_t)new_sp - (uintptr_t)old_sp > 1000000)) return NULL;
+ }
+ if ((uintptr_t)new_sp & (sizeof(void *) - 1)) return NULL;
+ return new_sp;
+}
+
+// This ensures that GetStackTrace stes up the Link Register properly.
+void StacktracePowerPCDummyFunction() __attribute__((noinline));
+void StacktracePowerPCDummyFunction() { __asm__ volatile(""); }
+#endif // BASE_STACKTRACE_POWERPC_INL_H_
+
+// Note: this part of the file is included several times.
+// Do not put globals below.
+
+// The following 4 functions are generated from the code below:
+// GetStack{Trace,Frames}()
+// GetStack{Trace,Frames}WithContext()
+//
+// These functions take the following args:
+// void** result: the stack-trace, as an array
+// int* sizes: the size of each stack frame, as an array
+// (GetStackFrames* only)
+// int max_depth: the size of the result (and sizes) array(s)
+// int skip_count: how many stack pointers to skip before storing in result
+// void* ucp: a ucontext_t* (GetStack{Trace,Frames}WithContext only)
+int GET_STACK_TRACE_OR_FRAMES {
+ void **sp;
+ // Apple OS X uses an old version of gnu as -- both Darwin 7.9.0 (Panther)
+ // and Darwin 8.8.1 (Tiger) use as 1.38. This means we have to use a
+ // different asm syntax. I don't know quite the best way to discriminate
+ // systems using the old as from the new one; I've gone with __APPLE__.
+ // TODO(csilvers): use autoconf instead, to look for 'as --version' == 1 or 2
+ __asm__ volatile ("mr %0,r1" : "=r" (sp));
+
+ // On PowerPC, the "Link Register" or "Link Record" (LR), is a stack
+ // entry that holds the return address of the subroutine call (what
+ // instruction we run after our function finishes). This is the
+ // same as the stack-pointer of our parent routine, which is what we
+ // want here. While the compiler will always(?) set up LR for
+ // subroutine calls, it may not for leaf functions (such as this one).
+ // This routine forces the compiler (at least gcc) to push it anyway.
+ StacktracePowerPCDummyFunction();
+
+#if IS_STACK_FRAMES
+ // Note we do *not* increment skip_count here for the SYSV ABI. If
+ // we did, the list of stack frames wouldn't properly match up with
+ // the list of return addresses. Note this means the top pc entry
+ // is probably bogus for linux/ppc (and other SYSV-ABI systems).
+#else
+ // The LR save area is used by the callee, so the top entry is bogus.
+ skip_count++;
+#endif
+
+ int n = 0;
+ while (sp && n < max_depth) {
+ // The GetStackFrames routine is called when we are in some
+ // informational context (the failure signal handler for example).
+ // Use the non-strict unwinding rules to produce a stack trace
+ // that is as complete as possible (even if it contains a few
+ // bogus entries in some rare cases).
+ void **next_sp = NextStackFrame<!IS_STACK_FRAMES>(sp);
+
+ if (skip_count > 0) {
+ skip_count--;
+ } else {
+ // PowerPC has 3 main ABIs, which say where in the stack the
+ // Link Register is. For DARWIN and AIX (used by apple and
+ // linux ppc64), it's in sp[2]. For SYSV (used by linux ppc),
+ // it's in sp[1].
+#if defined(__PPC64__)
+ // This check is in case the compiler doesn't define _CALL_AIX/etc.
+ result[n] = *(sp+2);
+#elif defined(__linux)
+ // This check is in case the compiler doesn't define _CALL_SYSV.
+ result[n] = *(sp+1);
+#endif
+
+#if IS_STACK_FRAMES
+ if (next_sp > sp) {
+ sizes[n] = (uintptr_t)next_sp - (uintptr_t)sp;
+ } else {
+ // A frame-size of 0 is used to indicate unknown frame size.
+ sizes[n] = 0;
+ }
+#endif
+ n++;
+ }
+ sp = next_sp;
+ }
+ return n;
+}
diff --git a/src/stacktrace_powerpc-linux-inl.h b/src/stacktrace_powerpc-linux-inl.h
new file mode 100644
index 0000000..5d16fa1
--- /dev/null
+++ b/src/stacktrace_powerpc-linux-inl.h
@@ -0,0 +1,231 @@
+// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
+// Copyright (c) 2007, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "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 COPYRIGHT
+// OWNER OR CONTRIBUTORS 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.
+
+// ---
+// Author: Craig Silverstein
+//
+// Produce stack trace. ABI documentation reference can be found at:
+// * PowerPC32 ABI: https://www.power.org/documentation/
+// power-architecture-32-bit-abi-supplement-1-0-embeddedlinuxunified/
+// * PowerPC64 ABI:
+// http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK
+
+#ifndef BASE_STACKTRACE_POWERPC_INL_H_
+#define BASE_STACKTRACE_POWERPC_INL_H_
+// Note: this file is included into stacktrace.cc more than once.
+// Anything that should only be defined once should be here:
+
+#include <stdint.h> // for uintptr_t
+#include <stdlib.h> // for NULL
+#include <gperftools/stacktrace.h>
+#include <base/vdso_support.h>
+
+#if defined(HAVE_SYS_UCONTEXT_H)
+#include <sys/ucontext.h>
+#elif defined(HAVE_UCONTEXT_H)
+#include <ucontext.h> // for ucontext_t
+#endif
+typedef ucontext ucontext_t;
+
+// PowerPC64 Little Endian follows BE wrt. backchain, condition register,
+// and LR save area, so no need to adjust the reading struct.
+struct layout_ppc {
+ struct layout_ppc *next;
+#ifdef __PPC64__
+ long condition_register;
+#endif
+ void *return_addr;
+};
+
+// Signal callbacks are handled by the vDSO symbol:
+//
+// * PowerPC64 Linux (arch/powerpc/kernel/vdso64/sigtramp.S):
+// __kernel_sigtramp_rt64
+// * PowerPC32 Linux (arch/powerpc/kernel/vdso32/sigtramp.S):
+// __kernel_sigtramp32
+// __kernel_sigtramp_rt32
+//
+// So a backtrace may need to specially handling if the symbol readed is
+// the signal trampoline.
+
+// Given a pointer to a stack frame, locate and return the calling
+// stackframe, or return NULL if no stackframe can be found. Perform sanity
+// checks (the strictness of which is controlled by the boolean parameter
+// "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned.
+template<bool STRICT_UNWINDING>
+static layout_ppc *NextStackFrame(layout_ppc *current) {
+ uintptr_t old_sp = (uintptr_t)(current);
+ uintptr_t new_sp = (uintptr_t)(current->next);
+
+ // Check that the transition from frame pointer old_sp to frame
+ // pointer new_sp isn't clearly bogus
+ if (STRICT_UNWINDING) {
+ // With the stack growing downwards, older stack frame must be
+ // at a greater address that the current one.
+ if (new_sp <= old_sp)
+ return NULL;
+ // Assume stack frames larger than 100,000 bytes are bogus.
+ if (new_sp - old_sp > 100000)
+ return NULL;
+ } else {
+ // In the non-strict mode, allow discontiguous stack frames.
+ // (alternate-signal-stacks for example).
+ if (new_sp == old_sp)
+ return NULL;
+ // And allow frames upto about 1MB.
+ if ((new_sp > old_sp) && (new_sp - old_sp > 1000000))
+ return NULL;
+ }
+ if (new_sp & (sizeof(void *) - 1))
+ return NULL;
+ return current->next;
+}
+
+// This ensures that GetStackTrace stes up the Link Register properly.
+void StacktracePowerPCDummyFunction() __attribute__((noinline));
+void StacktracePowerPCDummyFunction() { __asm__ volatile(""); }
+#endif // BASE_STACKTRACE_POWERPC_INL_H_
+
+// Note: this part of the file is included several times.
+// Do not put globals below.
+
+// Load instruction used on top-of-stack get.
+#if defined(__PPC64__) || defined(__LP64__)
+# define LOAD "ld"
+#else
+# define LOAD "lwz"
+#endif
+
+// The following 4 functions are generated from the code below:
+// GetStack{Trace,Frames}()
+// GetStack{Trace,Frames}WithContext()
+//
+// These functions take the following args:
+// void** result: the stack-trace, as an array
+// int* sizes: the size of each stack frame, as an array
+// (GetStackFrames* only)
+// int max_depth: the size of the result (and sizes) array(s)
+// int skip_count: how many stack pointers to skip before storing in result
+// void* ucp: a ucontext_t* (GetStack{Trace,Frames}WithContext only)
+static int GET_STACK_TRACE_OR_FRAMES {
+ layout_ppc *current;
+ int n;
+
+ // Get the address on top-of-stack
+ current = reinterpret_cast<layout_ppc*> (__builtin_frame_address (0));
+ // And ignore the current symbol
+ current = current->next;
+
+ StacktracePowerPCDummyFunction();
+
+ n = 0;
+ skip_count++; // skip parent's frame due to indirection in
+ // stacktrace.cc
+
+ base::VDSOSupport vdso;
+ base::ElfMemImage::SymbolInfo rt_sigreturn_symbol_info;
+#ifdef __PPC64__
+ const void *sigtramp64_vdso = 0;
+ if (vdso.LookupSymbol("__kernel_sigtramp_rt64", "LINUX_2.6.15", STT_NOTYPE,
+ &rt_sigreturn_symbol_info))
+ sigtramp64_vdso = rt_sigreturn_symbol_info.address;
+#else
+ const void *sigtramp32_vdso = 0;
+ if (vdso.LookupSymbol("__kernel_sigtramp32", "LINUX_2.6.15", STT_NOTYPE,
+ &rt_sigreturn_symbol_info))
+ sigtramp32_vdso = rt_sigreturn_symbol_info.address;
+ const void *sigtramp32_rt_vdso = 0;
+ if (vdso.LookupSymbol("__kernel_sigtramp_rt32", "LINUX_2.6.15", STT_NOTYPE,
+ &rt_sigreturn_symbol_info))
+ sigtramp32_rt_vdso = rt_sigreturn_symbol_info.address;
+#endif
+
+ while (current && n < max_depth) {
+
+ // The GetStackFrames routine is called when we are in some
+ // informational context (the failure signal handler for example).
+ // Use the non-strict unwinding rules to produce a stack trace
+ // that is as complete as possible (even if it contains a few
+ // bogus entries in some rare cases).
+ layout_ppc *next = NextStackFrame<!IS_STACK_FRAMES>(current);
+ if (skip_count > 0) {
+ skip_count--;
+ } else {
+ result[n] = current->return_addr;
+#ifdef __PPC64__
+ if (sigtramp64_vdso && (sigtramp64_vdso == current->return_addr)) {
+ struct signal_frame_64 {
+ char dummy[128];
+ ucontext_t uc;
+ // We don't care about the rest, since the IP value is at 'uc' field.
+ } *sigframe = reinterpret_cast<signal_frame_64*>(current);
+ result[n] = (void*) sigframe->uc.uc_mcontext.gp_regs[PT_NIP];
+ }
+#else
+ if (sigtramp32_vdso && (sigtramp32_vdso == current->return_addr)) {
+ struct signal_frame_32 {
+ char dummy[64];
+ struct sigcontext sctx;
+ mcontext_t mctx;
+ // We don't care about the rest, since IP value is at 'mctx' field.
+ } *sigframe = reinterpret_cast<signal_frame_32*>(current);
+ result[n] = (void*) sigframe->mctx.gregs[PT_NIP];
+ } else if (sigtramp32_rt_vdso && (sigtramp32_rt_vdso == current->return_addr)) {
+ struct rt_signal_frame_32 {
+ char dummy[64 + 16];
+ siginfo_t info;
+ struct ucontext uc;
+ // We don't care about the rest, since IP value is at 'uc' field.A
+ } *sigframe = reinterpret_cast<rt_signal_frame_32*>(current);
+ result[n] = (void*) sigframe->uc.uc_mcontext.uc_regs->gregs[PT_NIP];
+ }
+#endif
+
+#if IS_STACK_FRAMES
+ if (next > current) {
+ sizes[n] = (uintptr_t)next - (uintptr_t)current;
+ } else {
+ // A frame-size of 0 is used to indicate unknown frame size.
+ sizes[n] = 0;
+ }
+#endif
+ n++;
+ }
+ current = next;
+ }
+
+ // It's possible the second-last stack frame can't return
+ // (that is, it's __libc_start_main), in which case
+ // the CRT startup code will have set its LR to 'NULL'.
+ if (n > 0 && result[n-1] == NULL)
+ n--;
+
+ return n;
+}