[13/24] libunwind: add aarch64 support

Message ID	1a6294d4421862267755ac8cd71ffd91cce16902.1415350038.git.kai.kang@windriver.com
State	Superseded
Headers	show Return-Path: <patchwork-forward+bncBDPILVOKSELBB74S6KRAKGQEUK3IWCQ@linaro.org> Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.217.178 as permitted sender) client-ip=209.85.217.178; Received-SPF: none (google.com: openembedded-core-bounces@lists.openembedded.org does not designate permitted sender hosts) client-ip=140.211.169.62; From: Kai Kang <kai.kang@windriver.com> To: <ross.burton@intel.com> Date: Fri, 7 Nov 2014 16:51:18 +0800 Message-ID: <1a6294d4421862267755ac8cd71ffd91cce16902.1415350038.git.kai.kang@windriver.com> In-Reply-To: <cover.1415350038.git.kai.kang@windriver.com> References: <cover.1415350038.git.kai.kang@windriver.com> MIME-Version: 1.0 Cc: koen.kooi@linaro.org, openembedded-core@lists.openembedded.org Subject: [OE-core] [PATCH 13/24] libunwind: add aarch64 support Precedence: list Sender: openembedded-core-bounces@lists.openembedded.org Errors-To: openembedded-core-bounces@lists.openembedded.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit

diff --git a/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch b/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch new file mode 100644 index 0000000..228ec32 --- /dev/null +++ b/meta/recipes-support/libunwind/libunwind-1.1/AArch64-port.patch @@ -0,0 +1,2529 @@ +From ac6c0a6535975f1dc2da6e4e2766614baac2a14a Mon Sep 17 00:00:00 2001 +From: Yvan Roux <yvan.roux@linaro.org> +Date: Sat, 11 May 2013 09:18:23 -0600 +Subject: [PATCH] AArch64 port. + +Upstream-Status: Backport + +--- + Makefile.am | 6 + README | 1 + configure.ac | 6 + include/libunwind-aarch64.h | 187 ++++++++++++++++++++++ + include/libunwind.h.in | 4 + include/tdep-aarch64/dwarf-config.h | 52 ++++++ + include/tdep-aarch64/jmpbuf.h | 33 +++ + include/tdep-aarch64/libunwind_i.h | 294 +++++++++++++++++++++++++++++++++++ + include/tdep/dwarf-config.h | 4 + include/tdep/jmpbuf.h | 2 + include/tdep/libunwind_i.h.in | 4 + src/Makefile.am | 39 ++++ + src/aarch64/Gcreate_addr_space.c | 60 +++++++ + src/aarch64/Gget_proc_info.c | 39 ++++ + src/aarch64/Gget_save_loc.c | 100 +++++++++++ + src/aarch64/Gglobal.c | 57 ++++++ + src/aarch64/Ginit.c | 187 ++++++++++++++++++++++ + src/aarch64/Ginit_local.c | 55 ++++++ + src/aarch64/Ginit_remote.c | 45 +++++ + src/aarch64/Gis_signal_frame.c | 64 +++++++ + src/aarch64/Gregs.c | 113 +++++++++++++ + src/aarch64/Gresume.c | 177 +++++++++++++++++++++ + src/aarch64/Gstep.c | 129 +++++++++++++++ + src/aarch64/Lcreate_addr_space.c | 5 + src/aarch64/Lget_proc_info.c | 5 + src/aarch64/Lget_save_loc.c | 5 + src/aarch64/Lglobal.c | 5 + src/aarch64/Linit.c | 5 + src/aarch64/Linit_local.c | 5 + src/aarch64/Linit_remote.c | 5 + src/aarch64/Lis_signal_frame.c | 5 + src/aarch64/Lregs.c | 5 + src/aarch64/Lresume.c | 5 + src/aarch64/Lstep.c | 5 + src/aarch64/gen-offsets.c | 68 ++++++++ + src/aarch64/init.h | 127 +++++++++++++++ + src/aarch64/is_fpreg.c | 32 +++ + src/aarch64/offsets.h | 49 +++++ + src/aarch64/regname.c | 106 ++++++++++++ + src/aarch64/siglongjmp.S | 12 + + src/aarch64/unwind_i.h | 43 +++++ + src/coredump/_UCD_access_reg_linux.c | 5 + src/ptrace/_UPT_reg_offset.c | 36 ++++ + 43 files changed, 2184 insertions(+), 7 deletions(-) + create mode 100644 include/libunwind-aarch64.h + create mode 100644 include/tdep-aarch64/dwarf-config.h + create mode 100644 include/tdep-aarch64/jmpbuf.h + create mode 100644 include/tdep-aarch64/libunwind_i.h + create mode 100644 src/aarch64/Gcreate_addr_space.c + create mode 100644 src/aarch64/Gget_proc_info.c + create mode 100644 src/aarch64/Gget_save_loc.c + create mode 100644 src/aarch64/Gglobal.c + create mode 100644 src/aarch64/Ginit.c + create mode 100644 src/aarch64/Ginit_local.c + create mode 100644 src/aarch64/Ginit_remote.c + create mode 100644 src/aarch64/Gis_signal_frame.c + create mode 100644 src/aarch64/Gregs.c + create mode 100644 src/aarch64/Gresume.c + create mode 100644 src/aarch64/Gstep.c + create mode 100644 src/aarch64/Lcreate_addr_space.c + create mode 100644 src/aarch64/Lget_proc_info.c + create mode 100644 src/aarch64/Lget_save_loc.c + create mode 100644 src/aarch64/Lglobal.c + create mode 100644 src/aarch64/Linit.c + create mode 100644 src/aarch64/Linit_local.c + create mode 100644 src/aarch64/Linit_remote.c + create mode 100644 src/aarch64/Lis_signal_frame.c + create mode 100644 src/aarch64/Lregs.c + create mode 100644 src/aarch64/Lresume.c + create mode 100644 src/aarch64/Lstep.c + create mode 100644 src/aarch64/gen-offsets.c + create mode 100644 src/aarch64/init.h + create mode 100644 src/aarch64/is_fpreg.c + create mode 100644 src/aarch64/offsets.h + create mode 100644 src/aarch64/regname.c + create mode 100644 src/aarch64/siglongjmp.S + create mode 100644 src/aarch64/unwind_i.h + +--- a/Makefile.am ++++ b/Makefile.am +@@ -2,6 +2,9 @@ include_HEADERS = include/libunwind-dyna + include/libunwind-ptrace.h \ + include/libunwind-coredump.h + ++if ARCH_AARCH64 ++include_HEADERS += include/libunwind-aarch64.h ++endif + if ARCH_ARM + include_HEADERS += include/libunwind-arm.h + endif +@@ -41,6 +44,9 @@ SUBDIRS = src tests doc + noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \ + include/compiler.h include/libunwind_i.h include/mempool.h \ + include/remote.h \ ++ include/tdep-aarch64/dwarf-config.h \ ++ include/tdep-aarch64/jmpbuf.h \ ++ include/tdep-aarch64/libunwind_i.h \ + include/tdep-arm/dwarf-config.h include/tdep-arm/ex_tables.h \ + include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \ + include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h \ +--- a/README ++++ b/README +@@ -9,6 +9,7 @@ several architecture/operating-system co + Linux/IA-64: Fully tested and supported. + Linux/PARISC: Works well, but C library missing unwind-info. + HP-UX/IA-64: Mostly works but known to have some serious limitations. ++ Linux/AArch64: Newly added. + Linux/PPC64: Newly added. + Linux/SuperH: Newly added. + FreeBSD/i386: Newly added. +--- a/configure.ac ++++ b/configure.ac +@@ -104,7 +104,7 @@ SET_ARCH([$target_cpu],[target_arch]) + + AC_ARG_ENABLE(coredump, + AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),, +- [AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] ++ [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] + ) + + AC_MSG_CHECKING([if we should build libunwind-coredump]) +@@ -121,6 +121,7 @@ AC_MSG_RESULT([$target_os]) + + AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes) + AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch) ++AM_CONDITIONAL(ARCH_AARCH64, test x$target_arch = xaarch64) + AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm) + AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64) + AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa) +@@ -137,7 +138,7 @@ AM_CONDITIONAL(OS_FREEBSD, expr x$target + AC_MSG_CHECKING([for ELF helper width]) + case "${target_arch}" in + (arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);; +-(ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);; ++(aarch64|ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);; + (mips) use_elfxx=yes; AC_MSG_RESULT([xx]);; + *) AC_MSG_ERROR([Unknown ELF target: ${target_arch}]) + esac +@@ -186,6 +187,7 @@ AS_HELP_STRING([--enable-cxx-exceptions] + # C++ exception handling doesn't work too well on x86 + case $target_arch in + x86*) enable_cxx_exceptions=no;; ++ aarch64*) enable_cxx_exceptions=no;; + arm*) enable_cxx_exceptions=no;; + mips*) enable_cxx_exceptions=no;; + *) enable_cxx_exceptions=yes;; +--- /dev/null ++++ b/include/libunwind-aarch64.h +@@ -0,0 +1,187 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2001-2004 Hewlett-Packard Co ++ Contributed by David Mosberger-Tang <davidm@hpl.hp.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#ifndef LIBUNWIND_H ++#define LIBUNWIND_H ++ ++#if defined(__cplusplus) || defined(c_plusplus) ++extern "C" { ++#endif ++ ++#include <inttypes.h> ++#include <stddef.h> ++#include <ucontext.h> ++ ++#define UNW_TARGET aarch64 ++#define UNW_TARGET_AARCH64 1 ++ ++#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ ++ ++/* This needs to be big enough to accommodate "struct cursor", while ++ leaving some slack for future expansion. Changing this value will ++ require recompiling all users of this library. Stack allocation is ++ relatively cheap and unwind-state copying is relatively rare, so we ++ want to err on making it rather too big than too small. */ ++ ++#define UNW_TDEP_CURSOR_LEN 4096 ++ ++typedef uint64_t unw_word_t; ++typedef int64_t unw_sword_t; ++ ++typedef long double unw_tdep_fpreg_t; ++ ++typedef struct ++ { ++ /* no aarch64-specific auxiliary proc-info */ ++ } ++unw_tdep_proc_info_t; ++ ++typedef enum ++ { ++ /* 64-bit general registers. */ ++ UNW_AARCH64_X0, ++ UNW_AARCH64_X1, ++ UNW_AARCH64_X2, ++ UNW_AARCH64_X3, ++ UNW_AARCH64_X4, ++ UNW_AARCH64_X5, ++ UNW_AARCH64_X6, ++ UNW_AARCH64_X7, ++ UNW_AARCH64_X8, ++ ++ /* Temporary registers. */ ++ UNW_AARCH64_X9, ++ UNW_AARCH64_X10, ++ UNW_AARCH64_X11, ++ UNW_AARCH64_X12, ++ UNW_AARCH64_X13, ++ UNW_AARCH64_X14, ++ UNW_AARCH64_X15, ++ ++ /* Intra-procedure-call temporary registers. */ ++ UNW_AARCH64_X16, ++ UNW_AARCH64_X17, ++ ++ /* Callee-saved registers. */ ++ UNW_AARCH64_X18, ++ UNW_AARCH64_X19, ++ UNW_AARCH64_X20, ++ UNW_AARCH64_X21, ++ UNW_AARCH64_X22, ++ UNW_AARCH64_X23, ++ UNW_AARCH64_X24, ++ UNW_AARCH64_X25, ++ UNW_AARCH64_X26, ++ UNW_AARCH64_X27, ++ UNW_AARCH64_X28, ++ ++ /* 64-bit frame pointer. */ ++ UNW_AARCH64_X29, ++ ++ /* 64-bit link register. */ ++ UNW_AARCH64_X30, ++ ++ /* 64-bit stack pointer. */ ++ UNW_AARCH64_SP = 31, ++ UNW_AARCH64_PC, ++ UNW_AARCH64_PSTATE, ++ ++ /* 128-bit FP/Advanced SIMD registers. */ ++ UNW_AARCH64_V0 = 64, ++ UNW_AARCH64_V1, ++ UNW_AARCH64_V2, ++ UNW_AARCH64_V3, ++ UNW_AARCH64_V4, ++ UNW_AARCH64_V5, ++ UNW_AARCH64_V6, ++ UNW_AARCH64_V7, ++ UNW_AARCH64_V8, ++ UNW_AARCH64_V9, ++ UNW_AARCH64_V10, ++ UNW_AARCH64_V11, ++ UNW_AARCH64_V12, ++ UNW_AARCH64_V13, ++ UNW_AARCH64_V14, ++ UNW_AARCH64_V15, ++ UNW_AARCH64_V16, ++ UNW_AARCH64_V17, ++ UNW_AARCH64_V18, ++ UNW_AARCH64_V19, ++ UNW_AARCH64_V20, ++ UNW_AARCH64_V21, ++ UNW_AARCH64_V22, ++ UNW_AARCH64_V23, ++ UNW_AARCH64_V24, ++ UNW_AARCH64_V25, ++ UNW_AARCH64_V26, ++ UNW_AARCH64_V27, ++ UNW_AARCH64_V28, ++ UNW_AARCH64_V29, ++ UNW_AARCH64_V30, ++ UNW_AARCH64_V31, ++ ++ UNW_AARCH64_FPSR, ++ UNW_AARCH64_FPCR, ++ ++ /* For AArch64, the CFA is the value of SP (x31) at the call site of the ++ previous frame. */ ++ UNW_AARCH64_CFA = UNW_AARCH64_SP, ++ ++ UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR, ++ ++ UNW_TDEP_IP = UNW_AARCH64_X30, ++ UNW_TDEP_SP = UNW_AARCH64_SP, ++ UNW_TDEP_EH = UNW_AARCH64_X0, ++ ++ } ++aarch64_regnum_t; ++ ++/* Use R0 through R3 to pass exception handling information. */ ++#define UNW_TDEP_NUM_EH_REGS 4 ++ ++typedef struct unw_tdep_save_loc ++ { ++ /* Additional target-dependent info on a save location. */ ++ } ++unw_tdep_save_loc_t; ++ ++ ++/* On AArch64, we can directly use ucontext_t as the unwind context. */ ++typedef ucontext_t unw_tdep_context_t; ++ ++#include "libunwind-common.h" ++#include "libunwind-dynamic.h" ++ ++#define unw_tdep_getcontext(uc) (getcontext (uc), 0) ++#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) ++ ++extern int unw_tdep_is_fpreg (int); ++ ++#if defined(__cplusplus) || defined(c_plusplus) ++} ++#endif ++ ++#endif /* LIBUNWIND_H */ +--- a/include/libunwind.h.in ++++ b/include/libunwind.h.in +@@ -3,7 +3,9 @@ + + #ifndef UNW_REMOTE_ONLY + +-#if defined __arm__ ++#if defined __aarch64__ ++#include "libunwind-aarch64.h" ++#elif defined __arm__ + # include "libunwind-arm.h" + #elif defined __hppa__ + # include "libunwind-hppa.h" +--- /dev/null ++++ b/include/tdep-aarch64/dwarf-config.h +@@ -0,0 +1,52 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#ifndef dwarf_config_h ++#define dwarf_config_h ++ ++/* This matches the value udes by GCC (see ++ gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS. */ ++#define DWARF_NUM_PRESERVED_REGS 97 ++ ++/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ ++#define dwarf_is_big_endian(addr_space) 0 ++ ++#define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0) ++ ++/* Convert a pointer to a dwarf_cursor structure to a pointer to ++ unw_cursor_t. */ ++#define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) ++ ++typedef struct dwarf_loc ++ { ++ unw_word_t val; ++#ifndef UNW_LOCAL_ONLY ++ unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ ++#endif ++ } ++dwarf_loc_t; ++ ++#endif /* dwarf_config_h */ +--- /dev/null ++++ b/include/tdep-aarch64/jmpbuf.h +@@ -0,0 +1,33 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++/* Use glibc's jump-buffer indices; NPTL peeks at SP: */ ++ ++/* FIXME for AArch64 */ ++ ++#define JB_SP 13 ++#define JB_RP 14 ++#define JB_MASK_SAVED 15 ++#define JB_MASK 16 +--- /dev/null ++++ b/include/tdep-aarch64/libunwind_i.h +@@ -0,0 +1,294 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2001-2005 Hewlett-Packard Co ++ Contributed by David Mosberger-Tang <davidm@hpl.hp.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#ifndef AARCH64_LIBUNWIND_I_H ++#define AARCH64_LIBUNWIND_I_H ++ ++/* Target-dependent definitions that are internal to libunwind but need ++ to be shared with target-independent code. */ ++ ++#include <stdlib.h> ++#include <libunwind.h> ++ ++#include "elf64.h" ++#include "mempool.h" ++#include "dwarf.h" ++ ++typedef struct ++ { ++ /* no aarch64-specific fast trace */ ++ } ++unw_tdep_frame_t; ++ ++#ifdef UNW_LOCAL_ONLY ++ ++typedef unw_word_t aarch64_loc_t; ++ ++#else /* !UNW_LOCAL_ONLY */ ++ ++typedef struct aarch64_loc ++ { ++ unw_word_t w0, w1; ++ } ++aarch64_loc_t; ++ ++#endif /* !UNW_LOCAL_ONLY */ ++ ++struct unw_addr_space ++ { ++ struct unw_accessors acc; ++ int big_endian; ++ unw_caching_policy_t caching_policy; ++#ifdef HAVE_ATOMIC_OPS_H ++ AO_t cache_generation; ++#else ++ uint32_t cache_generation; ++#endif ++ unw_word_t dyn_generation; /* see dyn-common.h */ ++ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ ++ struct dwarf_rs_cache global_cache; ++ struct unw_debug_frame_list *debug_frames; ++ }; ++ ++struct cursor ++ { ++ struct dwarf_cursor dwarf; /* must be first */ ++ enum ++ { ++ AARCH64_SCF_NONE, ++ AARCH64_SCF_LINUX_RT_SIGFRAME, ++ } ++ sigcontext_format; ++ unw_word_t sigcontext_addr; ++ unw_word_t sigcontext_sp; ++ unw_word_t sigcontext_pc; ++ }; ++ ++#define DWARF_GET_LOC(l) ((l).val) ++ ++#ifdef UNW_LOCAL_ONLY ++# define DWARF_NULL_LOC DWARF_LOC (0, 0) ++# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) ++# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) ++# define DWARF_IS_REG_LOC(l) 0 ++# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ ++ tdep_uc_addr((c)->as_arg, (r)), 0)) ++# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) ++# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ ++ tdep_uc_addr((c)->as_arg, (r)), 0)) ++ ++static inline int ++dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) ++{ ++ if (!DWARF_GET_LOC (loc)) ++ return -1; ++ *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); ++ return 0; ++} ++ ++static inline int ++dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) ++{ ++ if (!DWARF_GET_LOC (loc)) ++ return -1; ++ *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; ++ return 0; ++} ++ ++static inline int ++dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) ++{ ++ if (!DWARF_GET_LOC (loc)) ++ return -1; ++ *val = *(unw_word_t *) DWARF_GET_LOC (loc); ++ return 0; ++} ++ ++static inline int ++dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) ++{ ++ if (!DWARF_GET_LOC (loc)) ++ return -1; ++ *(unw_word_t *) DWARF_GET_LOC (loc) = val; ++ return 0; ++} ++ ++#else /* !UNW_LOCAL_ONLY */ ++# define DWARF_LOC_TYPE_FP (1 << 0) ++# define DWARF_LOC_TYPE_REG (1 << 1) ++# define DWARF_NULL_LOC DWARF_LOC (0, 0) ++# define DWARF_IS_NULL_LOC(l) \ ++ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) ++# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) ++# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) ++# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) ++# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) ++# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) ++# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ ++ | DWARF_LOC_TYPE_FP)) ++ ++static inline int ++dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) ++{ ++ char *valp = (char *) &val; ++ unw_word_t addr; ++ int ret; ++ ++ if (DWARF_IS_NULL_LOC (loc)) ++ return -UNW_EBADREG; ++ ++ if (DWARF_IS_REG_LOC (loc)) ++ return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), ++ val, 0, c->as_arg); ++ ++ addr = DWARF_GET_LOC (loc); ++ if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, ++ 0, c->as_arg)) < 0) ++ return ret; ++ ++ return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, ++ c->as_arg); ++} ++ ++static inline int ++dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) ++{ ++ char *valp = (char *) &val; ++ unw_word_t addr; ++ int ret; ++ ++ if (DWARF_IS_NULL_LOC (loc)) ++ return -UNW_EBADREG; ++ ++ if (DWARF_IS_REG_LOC (loc)) ++ return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), ++ &val, 1, c->as_arg); ++ ++ addr = DWARF_GET_LOC (loc); ++ if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, ++ 1, c->as_arg)) < 0) ++ return ret; ++ ++ return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, ++ 1, c->as_arg); ++} ++ ++static inline int ++dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) ++{ ++ if (DWARF_IS_NULL_LOC (loc)) ++ return -UNW_EBADREG; ++ ++ /* If a code-generator were to save a value of type unw_word_t in a ++ floating-point register, we would have to support this case. I ++ suppose it could happen with MMX registers, but does it really ++ happen? */ ++ assert (!DWARF_IS_FP_LOC (loc)); ++ ++ if (DWARF_IS_REG_LOC (loc)) ++ return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, ++ 0, c->as_arg); ++ else ++ return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, ++ 0, c->as_arg); ++} ++ ++static inline int ++dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) ++{ ++ if (DWARF_IS_NULL_LOC (loc)) ++ return -UNW_EBADREG; ++ ++ /* If a code-generator were to save a value of type unw_word_t in a ++ floating-point register, we would have to support this case. I ++ suppose it could happen with MMX registers, but does it really ++ happen? */ ++ assert (!DWARF_IS_FP_LOC (loc)); ++ ++ if (DWARF_IS_REG_LOC (loc)) ++ return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, ++ 1, c->as_arg); ++ else ++ return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, ++ 1, c->as_arg); ++} ++ ++#endif /* !UNW_LOCAL_ONLY */ ++ ++ ++ ++#define tdep_getcontext_trace unw_getcontext ++#define tdep_init_done UNW_OBJ(init_done) ++#define tdep_init UNW_OBJ(init) ++/* Platforms that support UNW_INFO_FORMAT_TABLE need to define ++ tdep_search_unwind_table. */ ++#define tdep_search_unwind_table dwarf_search_unwind_table ++#define tdep_find_unwind_table dwarf_find_unwind_table ++#define tdep_uc_addr UNW_OBJ(uc_addr) ++#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) ++#define tdep_access_reg UNW_OBJ(access_reg) ++#define tdep_access_fpreg UNW_OBJ(access_fpreg) ++#define tdep_fetch_frame(c,ip,n) do {} while(0) ++#define tdep_cache_frame(c,rs) do {} while(0) ++#define tdep_reuse_frame(c,rs) do {} while(0) ++#define tdep_stash_frame(c,rs) do {} while(0) ++#define tdep_trace(cur,addr,n) (-UNW_ENOINFO) ++ ++#ifdef UNW_LOCAL_ONLY ++# define tdep_find_proc_info(c,ip,n) \ ++ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ ++ (c)->as_arg) ++# define tdep_put_unwind_info(as,pi,arg) \ ++ dwarf_put_unwind_info((as), (pi), (arg)) ++#else ++# define tdep_find_proc_info(c,ip,n) \ ++ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ ++ (c)->as_arg) ++# define tdep_put_unwind_info(as,pi,arg) \ ++ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) ++#endif ++ ++#define tdep_get_as(c) ((c)->dwarf.as) ++#define tdep_get_as_arg(c) ((c)->dwarf.as_arg) ++#define tdep_get_ip(c) ((c)->dwarf.ip) ++#define tdep_big_endian(as) ((as)->big_endian) ++ ++extern int tdep_init_done; ++ ++extern void tdep_init (void); ++extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, ++ unw_dyn_info_t *di, unw_proc_info_t *pi, ++ int need_unwind_info, void *arg); ++extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg); ++extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, ++ unsigned long *segbase, unsigned long *mapoff, ++ char *path, size_t pathlen); ++extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, ++ unw_word_t *valp, int write); ++extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, ++ unw_fpreg_t *valp, int write); ++ ++#endif /* AARCH64_LIBUNWIND_I_H */ +--- a/include/tdep/dwarf-config.h ++++ b/include/tdep/dwarf-config.h +@@ -1,7 +1,9 @@ + /* Provide a real file - not a symlink - as it would cause multiarch conflicts + when multiple different arch releases are installed simultaneously. */ + +-#if defined __arm__ ++#if defined __aarch64__ ++# include "tdep-aarch64/dwarf-config.h" ++#elif defined __arm__ + # include "tdep-arm/dwarf-config.h" + #elif defined __hppa__ + # include "tdep-hppa/dwarf-config.h" +--- a/include/tdep/jmpbuf.h ++++ b/include/tdep/jmpbuf.h +@@ -3,6 +3,8 @@ + + #ifndef UNW_REMOTE_ONLY + ++#if defined __aarch64__ ++# include "tdep-aarch64/jmpbuf.h" + #if defined __arm__ + # include "tdep-arm/jmpbuf.h" + #elif defined __hppa__ +--- a/include/tdep/libunwind_i.h.in ++++ b/include/tdep/libunwind_i.h.in +@@ -3,7 +3,9 @@ + + #ifndef UNW_REMOTE_ONLY + +-#if defined __arm__ ++#if defined __aarch64__ ++# include "tdep-aarch64/libunwind_i.h" ++#elif defined __arm__ + # include "tdep-arm/libunwind_i.h" + #elif defined __hppa__ + # include "tdep-hppa/libunwind_i.h" +--- a/src/Makefile.am ++++ b/src/Makefile.am +@@ -170,6 +170,28 @@ libunwind_elfxx_la_SOURCES = elfxx.c + noinst_LTLIBRARIES += $(LIBUNWIND_ELF) + libunwind_la_LIBADD += $(LIBUNWIND_ELF) + ++# The list of files that go into libunwind and libunwind-aarch64: ++noinst_HEADERS += aarch64/init.h aarch64/offsets.h aarch64/unwind_i.h ++libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common) \ ++ aarch64/is_fpreg.c aarch64/regname.c ++ ++# The list of files that go into libunwind: ++libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ ++ $(libunwind_la_SOURCES_local) \ ++ aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c \ ++ aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c \ ++ aarch64/Linit_local.c aarch64/Linit_remote.c \ ++ aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c \ ++ aarch64/Lstep.c ++ ++libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ ++ $(libunwind_la_SOURCES_generic) \ ++ aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c \ ++ aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c \ ++ aarch64/Ginit_local.c aarch64/Ginit_remote.c \ ++ aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c \ ++ aarch64/Gstep.c ++ + # The list of files that go into libunwind and libunwind-arm: + noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h + libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \ +@@ -418,6 +440,18 @@ if OS_FREEBSD + libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c + endif + ++if ARCH_AARCH64 ++ lib_LTLIBRARIES += libunwind-aarch64.la ++ libunwind_la_SOURCES = $(libunwind_la_SOURCES_aarch64) ++ libunwind_aarch64_la_SOURCES = $(libunwind_aarch64_la_SOURCES_aarch64) ++ libunwind_aarch64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) ++ libunwind_aarch64_la_LIBADD = libunwind-dwarf-generic.la ++ libunwind_aarch64_la_LIBADD += libunwind-elf64.la ++if !REMOTE_ONLY ++ libunwind_aarch64_la_LIBADD += libunwind.la -lc ++endif ++ libunwind_setjmp_la_SOURCES += aarch64/siglongjmp.S ++else + if ARCH_ARM + lib_LTLIBRARIES += libunwind-arm.la + libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm) +@@ -545,6 +579,7 @@ endif # ARCH_MIPS + endif # ARCH_HPPA + endif # ARCH_IA64 + endif # ARCH_ARM ++endif # ARCH_AARCH64 + + # libunwind-setjmp depends on libunwind-$(arch). Therefore must be added + # at the end. +@@ -567,7 +602,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include -I + AM_CCASFLAGS = $(AM_CPPFLAGS) + noinst_HEADERS += unwind/unwind-internal.h + +-EXTRA_DIST = $(libunwind_la_SOURCES_arm) \ ++EXTRA_DIST = $(libunwind_la_SOURCES_aarch64) \ ++ $(libunwind_la_SOURCES_arm) \ + $(libunwind_la_SOURCES_hppa) \ + $(libunwind_la_SOURCES_ia64) \ + $(libunwind_la_SOURCES_mips) \ +@@ -579,6 +615,7 @@ EXTRA_DIST = $(libunwind_la_SOURCES_arm) + $(libunwind_la_SOURCES_common) \ + $(libunwind_la_SOURCES_local) \ + $(libunwind_la_SOURCES_generic) \ ++ $(libunwind_aarch64_la_SOURCES_aarch64) \ + $(libunwind_arm_la_SOURCES_arm) \ + $(libunwind_hppa_la_SOURCES_hppa) \ + $(libunwind_ia64_la_SOURCES_ia64) \ +--- /dev/null ++++ b/src/aarch64/Gcreate_addr_space.c +@@ -0,0 +1,60 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include <string.h> ++#include <stdlib.h> ++ ++#include "unwind_i.h" ++ ++PROTECTED unw_addr_space_t ++unw_create_addr_space (unw_accessors_t *a, int byte_order) ++{ ++#ifdef UNW_LOCAL_ONLY ++ return NULL; ++#else ++ unw_addr_space_t as; ++ ++ /* AArch64 supports little-endian and big-endian. */ ++ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN ++ && byte_order != __BIG_ENDIAN) ++ return NULL; ++ ++ as = malloc (sizeof (*as)); ++ if (!as) ++ return NULL; ++ ++ memset (as, 0, sizeof (*as)); ++ ++ as->acc = *a; ++ ++ /* Default to little-endian for AArch64. */ ++ if (byte_order == 0 || byte_order == __LITTLE_ENDIAN) ++ as->big_endian = 0; ++ else ++ as->big_endian = 1; ++ ++ return as; ++#endif ++} +--- /dev/null ++++ b/src/aarch64/Gget_proc_info.c +@@ -0,0 +1,39 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++ ++PROTECTED int ++unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) ++{ ++ struct cursor *c = (struct cursor *) cursor; ++ int ret; ++ ++ ret = dwarf_make_proc_info (&c->dwarf); ++ if (ret < 0) ++ return ret; ++ ++ *pi = c->dwarf.pi; ++ return 0; ++} +--- /dev/null ++++ b/src/aarch64/Gget_save_loc.c +@@ -0,0 +1,100 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++ ++PROTECTED int ++unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) ++{ ++ struct cursor *c = (struct cursor *) cursor; ++ dwarf_loc_t loc; ++ ++ switch (reg) ++ { ++ case UNW_AARCH64_X0: ++ case UNW_AARCH64_X1: ++ case UNW_AARCH64_X2: ++ case UNW_AARCH64_X3: ++ case UNW_AARCH64_X4: ++ case UNW_AARCH64_X5: ++ case UNW_AARCH64_X6: ++ case UNW_AARCH64_X7: ++ case UNW_AARCH64_X8: ++ case UNW_AARCH64_X9: ++ case UNW_AARCH64_X10: ++ case UNW_AARCH64_X11: ++ case UNW_AARCH64_X12: ++ case UNW_AARCH64_X13: ++ case UNW_AARCH64_X14: ++ case UNW_AARCH64_X15: ++ case UNW_AARCH64_X16: ++ case UNW_AARCH64_X17: ++ case UNW_AARCH64_X18: ++ case UNW_AARCH64_X19: ++ case UNW_AARCH64_X20: ++ case UNW_AARCH64_X21: ++ case UNW_AARCH64_X22: ++ case UNW_AARCH64_X23: ++ case UNW_AARCH64_X24: ++ case UNW_AARCH64_X25: ++ case UNW_AARCH64_X26: ++ case UNW_AARCH64_X27: ++ case UNW_AARCH64_X28: ++ case UNW_AARCH64_X29: ++ case UNW_AARCH64_X30: ++ case UNW_AARCH64_SP: ++ case UNW_AARCH64_PC: ++ case UNW_AARCH64_PSTATE: ++ loc = c->dwarf.loc[reg]; ++ break; ++ ++ default: ++ loc = DWARF_NULL_LOC; /* default to "not saved" */ ++ break; ++ } ++ ++ memset (sloc, 0, sizeof (*sloc)); ++ ++ if (DWARF_IS_NULL_LOC (loc)) ++ { ++ sloc->type = UNW_SLT_NONE; ++ return 0; ++ } ++ ++#if !defined(UNW_LOCAL_ONLY) ++ if (DWARF_IS_REG_LOC (loc)) ++ { ++ sloc->type = UNW_SLT_REG; ++ sloc->u.regnum = DWARF_GET_LOC (loc); ++ } ++ else ++#endif ++ { ++ sloc->type = UNW_SLT_MEMORY; ++ sloc->u.addr = DWARF_GET_LOC (loc); ++ } ++ return 0; ++} +--- /dev/null ++++ b/src/aarch64/Gglobal.c +@@ -0,0 +1,57 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++#include "dwarf_i.h" ++ ++HIDDEN define_lock (aarch64_lock); ++HIDDEN int tdep_init_done; ++ ++HIDDEN void ++tdep_init (void) ++{ ++ intrmask_t saved_mask; ++ ++ sigfillset (&unwi_full_mask); ++ ++ lock_acquire (&aarch64_lock, saved_mask); ++ { ++ if (tdep_init_done) ++ /* another thread else beat us to it... */ ++ goto out; ++ ++ mi_init (); ++ ++ dwarf_init (); ++ ++#ifndef UNW_REMOTE_ONLY ++ aarch64_local_addr_space_init (); ++#endif ++ tdep_init_done = 1; /* signal that we're initialized... */ ++ } ++ out: ++ lock_release (&aarch64_lock, saved_mask); ++} +--- /dev/null ++++ b/src/aarch64/Ginit.c +@@ -0,0 +1,187 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include <stdlib.h> ++#include <string.h> ++ ++#include "unwind_i.h" ++ ++#ifdef UNW_REMOTE_ONLY ++ ++/* unw_local_addr_space is a NULL pointer in this case. */ ++PROTECTED unw_addr_space_t unw_local_addr_space; ++ ++#else /* !UNW_REMOTE_ONLY */ ++ ++static struct unw_addr_space local_addr_space; ++ ++PROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space; ++ ++static inline void * ++uc_addr (ucontext_t *uc, int reg) ++{ ++ if (reg >= UNW_AARCH64_X0 && reg <= UNW_AARCH64_V31) ++ return &uc->uc_mcontext.regs[reg]; ++ else ++ return NULL; ++} ++ ++# ifdef UNW_LOCAL_ONLY ++ ++HIDDEN void * ++tdep_uc_addr (ucontext_t *uc, int reg) ++{ ++ return uc_addr (uc, reg); ++} ++ ++# endif /* UNW_LOCAL_ONLY */ ++ ++HIDDEN unw_dyn_info_list_t _U_dyn_info_list; ++ ++/* XXX fix me: there is currently no way to locate the dyn-info list ++ by a remote unwinder. On ia64, this is done via a special ++ unwind-table entry. Perhaps something similar can be done with ++ DWARF2 unwind info. */ ++ ++static void ++put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) ++{ ++ /* it's a no-op */ ++} ++ ++static int ++get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, ++ void *arg) ++{ ++ *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++ return 0; ++} ++ ++static int ++access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, ++ void *arg) ++{ ++ if (write) ++ { ++ Debug (16, "mem[%lx] <- %lx\n", addr, *val); ++ *(unw_word_t *) addr = *val; ++ } ++ else ++ { ++ *val = *(unw_word_t *) addr; ++ Debug (16, "mem[%lx] -> %lx\n", addr, *val); ++ } ++ return 0; ++} ++ ++static int ++access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, ++ void *arg) ++{ ++ unw_word_t *addr; ++ ucontext_t *uc = arg; ++ ++ if (unw_is_fpreg (reg)) ++ goto badreg; ++ ++ if (!(addr = uc_addr (uc, reg))) ++ goto badreg; ++ ++ if (write) ++ { ++ *(unw_word_t *) addr = *val; ++ Debug (12, "%s <- %lx\n", unw_regname (reg), *val); ++ } ++ else ++ { ++ *val = *(unw_word_t *) addr; ++ Debug (12, "%s -> %lx\n", unw_regname (reg), *val); ++ } ++ return 0; ++ ++ badreg: ++ Debug (1, "bad register number %u\n", reg); ++ return -UNW_EBADREG; ++} ++ ++static int ++access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, ++ int write, void *arg) ++{ ++ ucontext_t *uc = arg; ++ unw_fpreg_t *addr; ++ ++ if (!unw_is_fpreg (reg)) ++ goto badreg; ++ ++ if (!(addr = uc_addr (uc, reg))) ++ goto badreg; ++ ++ if (write) ++ { ++ Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ++ ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); ++ *(unw_fpreg_t *) addr = *val; ++ } ++ else ++ { ++ *val = *(unw_fpreg_t *) addr; ++ Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ++ ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); ++ } ++ return 0; ++ ++ badreg: ++ Debug (1, "bad register number %u\n", reg); ++ /* attempt to access a non-preserved register */ ++ return -UNW_EBADREG; ++} ++ ++static int ++get_static_proc_name (unw_addr_space_t as, unw_word_t ip, ++ char *buf, size_t buf_len, unw_word_t *offp, ++ void *arg) ++{ ++ return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); ++} ++ ++HIDDEN void ++aarch64_local_addr_space_init (void) ++{ ++ memset (&local_addr_space, 0, sizeof (local_addr_space)); ++ local_addr_space.caching_policy = UNW_CACHE_GLOBAL; ++ local_addr_space.acc.find_proc_info = dwarf_find_proc_info; ++ local_addr_space.acc.put_unwind_info = put_unwind_info; ++ local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; ++ local_addr_space.acc.access_mem = access_mem; ++ local_addr_space.acc.access_reg = access_reg; ++ local_addr_space.acc.access_fpreg = access_fpreg; ++ local_addr_space.acc.resume = aarch64_local_resume; ++ local_addr_space.acc.get_proc_name = get_static_proc_name; ++ unw_flush_cache (&local_addr_space, 0, 0); ++} ++ ++#endif /* !UNW_REMOTE_ONLY */ +--- /dev/null ++++ b/src/aarch64/Ginit_local.c +@@ -0,0 +1,55 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2011-2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++#include "init.h" ++ ++#ifdef UNW_REMOTE_ONLY ++ ++PROTECTED int ++unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) ++{ ++ return -UNW_EINVAL; ++} ++ ++#else /* !UNW_REMOTE_ONLY */ ++ ++PROTECTED int ++unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) ++{ ++ struct cursor *c = (struct cursor *) cursor; ++ ++ if (!tdep_init_done) ++ tdep_init (); ++ ++ Debug (1, "(cursor=%p)\n", c); ++ ++ c->dwarf.as = unw_local_addr_space; ++ c->dwarf.as_arg = uc; ++ ++ return common_init (c, 1); ++} ++ ++#endif /* !UNW_REMOTE_ONLY */ +--- /dev/null ++++ b/src/aarch64/Ginit_remote.c +@@ -0,0 +1,45 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "init.h" ++#include "unwind_i.h" ++ ++PROTECTED int ++unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) ++{ ++#ifdef UNW_LOCAL_ONLY ++ return -UNW_EINVAL; ++#else /* !UNW_LOCAL_ONLY */ ++ struct cursor *c = (struct cursor *) cursor; ++ ++ if (!tdep_init_done) ++ tdep_init (); ++ ++ Debug (1, "(cursor=%p)\n", c); ++ ++ c->dwarf.as = as; ++ c->dwarf.as_arg = as_arg; ++ return common_init (c, 0); ++#endif /* !UNW_LOCAL_ONLY */ ++} +--- /dev/null ++++ b/src/aarch64/Gis_signal_frame.c +@@ -0,0 +1,64 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++ ++/* The restorer stub will always have the form: ++ ++ d2801168 movz x8, #0x8b ++ d4000001 svc #0x0 ++*/ ++ ++PROTECTED int ++unw_is_signal_frame (unw_cursor_t *cursor) ++{ ++#ifdef __linux__ ++ struct cursor *c = (struct cursor *) cursor; ++ unw_word_t w0, ip; ++ unw_addr_space_t as; ++ unw_accessors_t *a; ++ void *arg; ++ int ret; ++ ++ as = c->dwarf.as; ++ a = unw_get_accessors (as); ++ arg = c->dwarf.as_arg; ++ ++ ip = c->dwarf.ip; ++ ++ ret = (*a->access_mem) (as, ip, &w0, 0, arg); ++ if (ret < 0) ++ return ret; ++ ++ /* FIXME: distinguish 32bit insn vs 64bit registers. */ ++ if (w0 != 0xd4000001d2801168) ++ return 0; ++ ++ return 1; ++ ++#else ++ return -UNW_ENOINFO; ++#endif ++} +--- /dev/null ++++ b/src/aarch64/Gregs.c +@@ -0,0 +1,113 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++ ++HIDDEN int ++tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, ++ int write) ++{ ++ dwarf_loc_t loc = DWARF_NULL_LOC; ++ unsigned int mask; ++ ++ switch (reg) ++ { ++ case UNW_AARCH64_X0: ++ case UNW_AARCH64_X1: ++ case UNW_AARCH64_X2: ++ case UNW_AARCH64_X3: ++ mask = 1 << reg; ++ if (write) ++ { ++ c->dwarf.eh_args[reg] = *valp; ++ c->dwarf.eh_valid_mask |= mask; ++ return 0; ++ } ++ else if ((c->dwarf.eh_valid_mask & mask) != 0) ++ { ++ *valp = c->dwarf.eh_args[reg]; ++ return 0; ++ } ++ else ++ loc = c->dwarf.loc[reg]; ++ break; ++ ++ case UNW_AARCH64_X4: ++ case UNW_AARCH64_X5: ++ case UNW_AARCH64_X6: ++ case UNW_AARCH64_X7: ++ case UNW_AARCH64_X8: ++ case UNW_AARCH64_X9: ++ case UNW_AARCH64_X10: ++ case UNW_AARCH64_X11: ++ case UNW_AARCH64_X12: ++ case UNW_AARCH64_X13: ++ case UNW_AARCH64_X14: ++ case UNW_AARCH64_X15: ++ case UNW_AARCH64_X16: ++ case UNW_AARCH64_X17: ++ case UNW_AARCH64_X18: ++ case UNW_AARCH64_X19: ++ case UNW_AARCH64_X20: ++ case UNW_AARCH64_X21: ++ case UNW_AARCH64_X22: ++ case UNW_AARCH64_X23: ++ case UNW_AARCH64_X24: ++ case UNW_AARCH64_X25: ++ case UNW_AARCH64_X26: ++ case UNW_AARCH64_X27: ++ case UNW_AARCH64_X28: ++ case UNW_AARCH64_X29: ++ case UNW_AARCH64_X30: ++ case UNW_AARCH64_PC: ++ case UNW_AARCH64_PSTATE: ++ loc = c->dwarf.loc[reg]; ++ break; ++ ++ case UNW_AARCH64_SP: ++ if (write) ++ return -UNW_EREADONLYREG; ++ *valp = c->dwarf.cfa; ++ return 0; ++ ++ default: ++ Debug (1, "bad register number %u\n", reg); ++ return -UNW_EBADREG; ++ } ++ ++ if (write) ++ return dwarf_put (&c->dwarf, loc, *valp); ++ else ++ return dwarf_get (&c->dwarf, loc, valp); ++} ++ ++HIDDEN int ++tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, ++ int write) ++{ ++ Debug (1, "bad register number %u\n", reg); ++ return -UNW_EBADREG; ++} +--- /dev/null ++++ b/src/aarch64/Gresume.c +@@ -0,0 +1,177 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2011-2013 Linaro Limited ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++#include "offsets.h" ++ ++#ifndef UNW_REMOTE_ONLY ++ ++HIDDEN inline int ++aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) ++{ ++#ifdef __linux__ ++ struct cursor *c = (struct cursor *) cursor; ++ unw_tdep_context_t *uc = c->dwarf.as_arg; ++ ++ if (c->sigcontext_format == AARCH64_SCF_NONE) ++ { ++ /* Since there are no signals involved here we restore the non scratch ++ registers only. */ ++ unsigned long regs[11]; ++ regs[0] = uc->uc_mcontext.regs[19]; ++ regs[1] = uc->uc_mcontext.regs[20]; ++ regs[2] = uc->uc_mcontext.regs[21]; ++ regs[3] = uc->uc_mcontext.regs[22]; ++ regs[4] = uc->uc_mcontext.regs[23]; ++ regs[5] = uc->uc_mcontext.regs[24]; ++ regs[6] = uc->uc_mcontext.regs[25]; ++ regs[7] = uc->uc_mcontext.regs[26]; ++ regs[8] = uc->uc_mcontext.regs[27]; ++ regs[9] = uc->uc_mcontext.regs[28]; ++ regs[10] = uc->uc_mcontext.regs[30]; /* LR */ ++ unsigned long sp = uc->uc_mcontext.sp; ++ ++ struct regs_overlay { ++ char x[sizeof(regs)]; ++ }; ++ ++ asm volatile ( ++ "ldp x19, x20, [%0]\n" ++ "ldp x21, x22, [%0,16]\n" ++ "ldp x23, x24, [%0,32]\n" ++ "ldp x25, x26, [%0,48]\n" ++ "ldp x27, x28, [%0,64]\n" ++ "ldr x30, [%0,80]\n" ++ "mov sp, %1\n" ++ "ret \n" ++ : ++ : "r" (regs), ++ "r" (sp), ++ "m" (*(struct regs_overlay *)regs) ++ ); ++ } ++ else ++ { ++ struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; ++ ++ if (c->dwarf.eh_valid_mask & 0x1) sc->regs[0] = c->dwarf.eh_args[0]; ++ if (c->dwarf.eh_valid_mask & 0x2) sc->regs[1] = c->dwarf.eh_args[1]; ++ if (c->dwarf.eh_valid_mask & 0x4) sc->regs[2] = c->dwarf.eh_args[2]; ++ if (c->dwarf.eh_valid_mask & 0x8) sc->regs[3] = c->dwarf.eh_args[3]; ++ ++ sc->regs[4] = uc->uc_mcontext.regs[4]; ++ sc->regs[5] = uc->uc_mcontext.regs[5]; ++ sc->regs[6] = uc->uc_mcontext.regs[6]; ++ sc->regs[7] = uc->uc_mcontext.regs[7]; ++ sc->regs[8] = uc->uc_mcontext.regs[8]; ++ sc->regs[9] = uc->uc_mcontext.regs[9]; ++ sc->regs[10] = uc->uc_mcontext.regs[10]; ++ sc->regs[11] = uc->uc_mcontext.regs[11]; ++ sc->regs[12] = uc->uc_mcontext.regs[12]; ++ sc->regs[13] = uc->uc_mcontext.regs[13]; ++ sc->regs[14] = uc->uc_mcontext.regs[14]; ++ sc->regs[15] = uc->uc_mcontext.regs[15]; ++ sc->regs[16] = uc->uc_mcontext.regs[16]; ++ sc->regs[17] = uc->uc_mcontext.regs[17]; ++ sc->regs[18] = uc->uc_mcontext.regs[18]; ++ sc->regs[19] = uc->uc_mcontext.regs[19]; ++ sc->regs[20] = uc->uc_mcontext.regs[20]; ++ sc->regs[21] = uc->uc_mcontext.regs[21]; ++ sc->regs[22] = uc->uc_mcontext.regs[22]; ++ sc->regs[23] = uc->uc_mcontext.regs[23]; ++ sc->regs[24] = uc->uc_mcontext.regs[24]; ++ sc->regs[25] = uc->uc_mcontext.regs[25]; ++ sc->regs[26] = uc->uc_mcontext.regs[26]; ++ sc->regs[27] = uc->uc_mcontext.regs[27]; ++ sc->regs[28] = uc->uc_mcontext.regs[28]; ++ sc->regs[29] = uc->uc_mcontext.regs[29]; ++ sc->regs[30] = uc->uc_mcontext.regs[30]; ++ sc->sp = uc->uc_mcontext.sp; ++ sc->pc = uc->uc_mcontext.pc; ++ sc->pstate = uc->uc_mcontext.pstate; ++ ++ asm volatile ( ++ "mov sp, %0\n" ++ "ret %1\n" ++ : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) ++ ); ++ } ++ unreachable(); ++#else ++ printf ("%s: implement me\n", __FUNCTION__); ++#endif ++ return -UNW_EINVAL; ++} ++ ++#endif /* !UNW_REMOTE_ONLY */ ++ ++static inline void ++establish_machine_state (struct cursor *c) ++{ ++ unw_addr_space_t as = c->dwarf.as; ++ void *arg = c->dwarf.as_arg; ++ unw_fpreg_t fpval; ++ unw_word_t val; ++ int reg; ++ ++ Debug (8, "copying out cursor state\n"); ++ ++ for (reg = 0; reg <= UNW_AARCH64_PSTATE; ++reg) ++ { ++ Debug (16, "copying %s %d\n", unw_regname (reg), reg); ++ if (unw_is_fpreg (reg)) ++ { ++ if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) ++ as->acc.access_fpreg (as, reg, &fpval, 1, arg); ++ } ++ else ++ { ++ if (tdep_access_reg (c, reg, &val, 0) >= 0) ++ as->acc.access_reg (as, reg, &val, 1, arg); ++ } ++ } ++} ++ ++PROTECTED int ++unw_resume (unw_cursor_t *cursor) ++{ ++ struct cursor *c = (struct cursor *) cursor; ++ ++ Debug (1, "(cursor=%p)\n", c); ++ ++ if (!c->dwarf.ip) ++ { ++ /* This can happen easily when the frame-chain gets truncated ++ due to bad or missing unwind-info. */ ++ Debug (1, "refusing to resume execution at address 0\n"); ++ return -UNW_EINVAL; ++ } ++ ++ establish_machine_state (c); ++ ++ return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, ++ c->dwarf.as_arg); ++} +--- /dev/null ++++ b/src/aarch64/Gstep.c +@@ -0,0 +1,129 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2011-2013 Linaro Limited ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++#include "offsets.h" ++ ++PROTECTED int ++unw_handle_signal_frame (unw_cursor_t *cursor) ++{ ++ struct cursor *c = (struct cursor *) cursor; ++ int ret; ++ unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; ++ struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); ++ ++ if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) ++ return -UNW_EUNSPEC; ++ ++ ret = unw_is_signal_frame (cursor); ++ Debug(1, "unw_is_signal_frame()=%d\n", ret); ++ ++ /* Save the SP and PC to be able to return execution at this point ++ later in time (unw_resume). */ ++ c->sigcontext_sp = c->dwarf.cfa; ++ c->sigcontext_pc = c->dwarf.ip; ++ ++ if (ret) ++ { ++ c->sigcontext_format = AARCH64_SCF_LINUX_RT_SIGFRAME; ++ sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; ++ } ++ else ++ return -UNW_EUNSPEC; ++ ++ c->sigcontext_addr = sc_addr; ++ ++ /* Update the dwarf cursor. ++ Set the location of the registers to the corresponding addresses of the ++ uc_mcontext / sigcontext structure contents. */ ++ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_LOC (sc_addr + LINUX_SC_X0_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X1] = DWARF_LOC (sc_addr + LINUX_SC_X1_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X2] = DWARF_LOC (sc_addr + LINUX_SC_X2_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X3] = DWARF_LOC (sc_addr + LINUX_SC_X3_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X4] = DWARF_LOC (sc_addr + LINUX_SC_X4_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X5] = DWARF_LOC (sc_addr + LINUX_SC_X5_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X6] = DWARF_LOC (sc_addr + LINUX_SC_X6_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X7] = DWARF_LOC (sc_addr + LINUX_SC_X7_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X8] = DWARF_LOC (sc_addr + LINUX_SC_X8_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X9] = DWARF_LOC (sc_addr + LINUX_SC_X9_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X10] = DWARF_LOC (sc_addr + LINUX_SC_X10_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X11] = DWARF_LOC (sc_addr + LINUX_SC_X11_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X12] = DWARF_LOC (sc_addr + LINUX_SC_X12_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X13] = DWARF_LOC (sc_addr + LINUX_SC_X13_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X14] = DWARF_LOC (sc_addr + LINUX_SC_X14_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X15] = DWARF_LOC (sc_addr + LINUX_SC_X15_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X16] = DWARF_LOC (sc_addr + LINUX_SC_X16_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X17] = DWARF_LOC (sc_addr + LINUX_SC_X17_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X18] = DWARF_LOC (sc_addr + LINUX_SC_X18_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X19] = DWARF_LOC (sc_addr + LINUX_SC_X19_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X20] = DWARF_LOC (sc_addr + LINUX_SC_X20_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X21] = DWARF_LOC (sc_addr + LINUX_SC_X21_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X22] = DWARF_LOC (sc_addr + LINUX_SC_X22_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X23] = DWARF_LOC (sc_addr + LINUX_SC_X23_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X24] = DWARF_LOC (sc_addr + LINUX_SC_X24_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X25] = DWARF_LOC (sc_addr + LINUX_SC_X25_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X26] = DWARF_LOC (sc_addr + LINUX_SC_X26_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X27] = DWARF_LOC (sc_addr + LINUX_SC_X27_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X28] = DWARF_LOC (sc_addr + LINUX_SC_X28_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X29] = DWARF_LOC (sc_addr + LINUX_SC_X29_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_X30] = DWARF_LOC (sc_addr + LINUX_SC_X30_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_SP] = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); ++ c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_LOC (sc_addr + LINUX_SC_PSTATE_OFF, 0); ++ ++ /* Set SP/CFA and PC/IP. */ ++ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); ++ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); ++ ++ c->dwarf.pi_valid = 0; ++ ++ return 1; ++} ++ ++PROTECTED int ++unw_step (unw_cursor_t *cursor) ++{ ++ struct cursor *c = (struct cursor *) cursor; ++ int ret; ++ ++ Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx))\n", ++ c, c->dwarf.ip, c->dwarf.cfa); ++ ++ /* Check if this is a signal frame. */ ++ if (unw_is_signal_frame (cursor)) ++ return unw_handle_signal_frame (cursor); ++ ++ ret = dwarf_step (&c->dwarf); ++ Debug(1, "dwarf_step()=%d\n", ret); ++ ++ if (unlikely (ret == -UNW_ESTOPUNWIND)) ++ return ret; ++ ++ if (unlikely (ret < 0)) ++ return 0; ++ ++ return (c->dwarf.ip == 0) ? 0 : 1; ++} +--- /dev/null ++++ b/src/aarch64/Lcreate_addr_space.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gcreate_addr_space.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lget_proc_info.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gget_proc_info.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lget_save_loc.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gget_save_loc.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lglobal.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gglobal.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Linit.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Ginit.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Linit_local.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Ginit_local.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Linit_remote.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Ginit_remote.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lis_signal_frame.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gis_signal_frame.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lregs.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gregs.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lresume.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gresume.c" ++#endif +--- /dev/null ++++ b/src/aarch64/Lstep.c +@@ -0,0 +1,5 @@ ++#define UNW_LOCAL_ONLY ++#include <libunwind.h> ++#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) ++#include "Gstep.c" ++#endif +--- /dev/null ++++ b/src/aarch64/gen-offsets.c +@@ -0,0 +1,68 @@ ++#include <stdio.h> ++#include <stddef.h> ++#include <ucontext.h> ++#include <asm/sigcontext.h> ++ ++#define UC(N,X) \ ++ printf ("#define LINUX_UC_" N "_OFF\t0x%X\n", offsetof (ucontext_t, X)) ++ ++#define SC(N,X) \ ++ printf ("#define LINUX_SC_" N "_OFF\t0x%X\n", offsetof (struct sigcontext, X)) ++ ++int ++main (void) ++{ ++ printf ( ++"/* Linux-specific definitions: */\n\n" ++ ++"/* Define various structure offsets to simplify cross-compilation. */\n\n" ++ ++"/* Offsets for AArch64 Linux \"ucontext_t\": */\n\n"); ++ ++ UC ("FLAGS", uc_flags); ++ UC ("LINK", uc_link); ++ UC ("STACK", uc_stack); ++ UC ("MCONTEXT", uc_mcontext); ++ UC ("SIGMASK", uc_sigmask); ++ ++ printf ("\n/* Offsets for AArch64 Linux \"struct sigcontext\": */\n\n"); ++ ++ SC ("R0", regs[0]); ++ SC ("R1", regs[1]); ++ SC ("R2", regs[2]); ++ SC ("R3", regs[3]); ++ SC ("R4", regs[4]); ++ SC ("R5", regs[5]); ++ SC ("R6", regs[6]); ++ SC ("R7", regs[7]); ++ SC ("R8", regs[8]); ++ SC ("R9", regs[9]); ++ SC ("R10", regs[10]); ++ SC ("R11", regs[11]); ++ SC ("R12", regs[12]); ++ SC ("R13", regs[13]); ++ SC ("R14", regs[14]); ++ SC ("R15", regs[15]); ++ SC ("R16", regs[16]); ++ SC ("R17", regs[17]); ++ SC ("R18", regs[18]); ++ SC ("R19", regs[19]); ++ SC ("R20", regs[20]); ++ SC ("R21", regs[21]); ++ SC ("R22", regs[22]); ++ SC ("R23", regs[23]); ++ SC ("R24", regs[24]); ++ SC ("R25", regs[25]); ++ SC ("R26", regs[26]); ++ SC ("R27", regs[27]); ++ SC ("R28", regs[28]); ++ SC ("R29", regs[29]); ++ SC ("R30", regs[30]); ++ SC ("R31", regs[31]); ++ ++ SC ("PC", pc); ++ SC ("SP", sp); ++ SC ("Fault", fault_address); ++ SC ("state", pstate); ++ return 0; ++} +--- /dev/null ++++ b/src/aarch64/init.h +@@ -0,0 +1,127 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++ ++static inline int ++common_init (struct cursor *c, unsigned use_prev_instr) ++{ ++ int ret, i; ++ ++ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X0); ++ c->dwarf.loc[UNW_AARCH64_X1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X1); ++ c->dwarf.loc[UNW_AARCH64_X2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X2); ++ c->dwarf.loc[UNW_AARCH64_X3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X3); ++ c->dwarf.loc[UNW_AARCH64_X4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X4); ++ c->dwarf.loc[UNW_AARCH64_X5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X5); ++ c->dwarf.loc[UNW_AARCH64_X6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X6); ++ c->dwarf.loc[UNW_AARCH64_X7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X7); ++ c->dwarf.loc[UNW_AARCH64_X8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X8); ++ c->dwarf.loc[UNW_AARCH64_X9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X9); ++ c->dwarf.loc[UNW_AARCH64_X10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X10); ++ c->dwarf.loc[UNW_AARCH64_X11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X11); ++ c->dwarf.loc[UNW_AARCH64_X12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X12); ++ c->dwarf.loc[UNW_AARCH64_X13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X13); ++ c->dwarf.loc[UNW_AARCH64_X14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X14); ++ c->dwarf.loc[UNW_AARCH64_X15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X15); ++ c->dwarf.loc[UNW_AARCH64_X16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X16); ++ c->dwarf.loc[UNW_AARCH64_X17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X17); ++ c->dwarf.loc[UNW_AARCH64_X18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X18); ++ c->dwarf.loc[UNW_AARCH64_X19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X19); ++ c->dwarf.loc[UNW_AARCH64_X20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X20); ++ c->dwarf.loc[UNW_AARCH64_X21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X21); ++ c->dwarf.loc[UNW_AARCH64_X22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X22); ++ c->dwarf.loc[UNW_AARCH64_X23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X23); ++ c->dwarf.loc[UNW_AARCH64_X24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X24); ++ c->dwarf.loc[UNW_AARCH64_X25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X25); ++ c->dwarf.loc[UNW_AARCH64_X26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X26); ++ c->dwarf.loc[UNW_AARCH64_X27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X27); ++ c->dwarf.loc[UNW_AARCH64_X28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X28); ++ c->dwarf.loc[UNW_AARCH64_X29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X29); ++ c->dwarf.loc[UNW_AARCH64_X30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X30); ++ c->dwarf.loc[UNW_AARCH64_SP] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_SP); ++ c->dwarf.loc[UNW_AARCH64_PC] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PC); ++ c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_REG_LOC (&c->dwarf, ++ UNW_AARCH64_PSTATE); ++ c->dwarf.loc[UNW_AARCH64_V0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V0); ++ c->dwarf.loc[UNW_AARCH64_V1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V1); ++ c->dwarf.loc[UNW_AARCH64_V2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V2); ++ c->dwarf.loc[UNW_AARCH64_V3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V3); ++ c->dwarf.loc[UNW_AARCH64_V4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V4); ++ c->dwarf.loc[UNW_AARCH64_V5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V5); ++ c->dwarf.loc[UNW_AARCH64_V6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V6); ++ c->dwarf.loc[UNW_AARCH64_V7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V7); ++ c->dwarf.loc[UNW_AARCH64_V8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V8); ++ c->dwarf.loc[UNW_AARCH64_V9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V9); ++ c->dwarf.loc[UNW_AARCH64_V10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V10); ++ c->dwarf.loc[UNW_AARCH64_V11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V11); ++ c->dwarf.loc[UNW_AARCH64_V12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V12); ++ c->dwarf.loc[UNW_AARCH64_V13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V13); ++ c->dwarf.loc[UNW_AARCH64_V14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V14); ++ c->dwarf.loc[UNW_AARCH64_V15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V15); ++ c->dwarf.loc[UNW_AARCH64_V16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V16); ++ c->dwarf.loc[UNW_AARCH64_V17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V17); ++ c->dwarf.loc[UNW_AARCH64_V18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V18); ++ c->dwarf.loc[UNW_AARCH64_V19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V19); ++ c->dwarf.loc[UNW_AARCH64_V20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V20); ++ c->dwarf.loc[UNW_AARCH64_V21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V21); ++ c->dwarf.loc[UNW_AARCH64_V22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V22); ++ c->dwarf.loc[UNW_AARCH64_V23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V23); ++ c->dwarf.loc[UNW_AARCH64_V24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V24); ++ c->dwarf.loc[UNW_AARCH64_V25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V25); ++ c->dwarf.loc[UNW_AARCH64_V26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V26); ++ c->dwarf.loc[UNW_AARCH64_V27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V27); ++ c->dwarf.loc[UNW_AARCH64_V28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V28); ++ c->dwarf.loc[UNW_AARCH64_V29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V29); ++ c->dwarf.loc[UNW_AARCH64_V30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V30); ++ c->dwarf.loc[UNW_AARCH64_V31] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V31); ++ ++ for (i = UNW_AARCH64_PSTATE + 1; i < UNW_AARCH64_V0; ++i) ++ c->dwarf.loc[i] = DWARF_NULL_LOC; ++ ++ ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); ++ if (ret < 0) ++ return ret; ++ ++ ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); ++ if (ret < 0) ++ return ret; ++ ++ c->sigcontext_format = AARCH64_SCF_NONE; ++ c->sigcontext_addr = 0; ++ c->sigcontext_sp = 0; ++ c->sigcontext_pc = 0; ++ ++ c->dwarf.args_size = 0; ++ c->dwarf.ret_addr_column = 0; ++ c->dwarf.stash_frames = 0; ++ c->dwarf.use_prev_instr = use_prev_instr; ++ c->dwarf.pi_valid = 0; ++ c->dwarf.pi_is_dynamic = 0; ++ c->dwarf.hint = 0; ++ c->dwarf.prev_rs = 0; ++ ++ return 0; ++} +--- /dev/null ++++ b/src/aarch64/is_fpreg.c +@@ -0,0 +1,32 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "libunwind_i.h" ++ ++PROTECTED int ++unw_is_fpreg (int regnum) ++{ ++ return (regnum >= UNW_AARCH64_V0 && regnum <= UNW_AARCH64_V31); ++} +--- /dev/null ++++ b/src/aarch64/offsets.h +@@ -0,0 +1,49 @@ ++/* Linux-specific definitions: */ ++ ++/* Define various structure offsets to simplify cross-compilation. */ ++ ++/* Offsets for AArch64 Linux "ucontext_t": */ ++ ++#define LINUX_UC_FLAGS_OFF 0x0 ++#define LINUX_UC_LINK_OFF 0x8 ++#define LINUX_UC_STACK_OFF 0x10 ++#define LINUX_UC_SIGMASK_OFF 0x28 ++#define LINUX_UC_MCONTEXT_OFF 0xb0 ++ ++/* Offsets for AArch64 Linux "struct sigcontext": */ ++ ++#define LINUX_SC_FAULTADDRESS_OFF 0x00 ++#define LINUX_SC_X0_OFF 0x008 ++#define LINUX_SC_X1_OFF 0x010 ++#define LINUX_SC_X2_OFF 0x018 ++#define LINUX_SC_X3_OFF 0x020 ++#define LINUX_SC_X4_OFF 0x028 ++#define LINUX_SC_X5_OFF 0x030 ++#define LINUX_SC_X6_OFF 0x038 ++#define LINUX_SC_X7_OFF 0x040 ++#define LINUX_SC_X8_OFF 0x048 ++#define LINUX_SC_X9_OFF 0x050 ++#define LINUX_SC_X10_OFF 0x058 ++#define LINUX_SC_X11_OFF 0x060 ++#define LINUX_SC_X12_OFF 0x068 ++#define LINUX_SC_X13_OFF 0x070 ++#define LINUX_SC_X14_OFF 0x078 ++#define LINUX_SC_X15_OFF 0x080 ++#define LINUX_SC_X16_OFF 0x088 ++#define LINUX_SC_X17_OFF 0x090 ++#define LINUX_SC_X18_OFF 0x098 ++#define LINUX_SC_X19_OFF 0x0a0 ++#define LINUX_SC_X20_OFF 0x0a8 ++#define LINUX_SC_X21_OFF 0x0b0 ++#define LINUX_SC_X22_OFF 0x0b8 ++#define LINUX_SC_X23_OFF 0x0c0 ++#define LINUX_SC_X24_OFF 0x0c8 ++#define LINUX_SC_X25_OFF 0x0d0 ++#define LINUX_SC_X26_OFF 0x0d8 ++#define LINUX_SC_X27_OFF 0x0e0 ++#define LINUX_SC_X28_OFF 0x0e8 ++#define LINUX_SC_X29_OFF 0x0f0 ++#define LINUX_SC_X30_OFF 0x0f8 ++#define LINUX_SC_SP_OFF 0x100 ++#define LINUX_SC_PC_OFF 0x108 ++#define LINUX_SC_PSTATE_OFF 0x110 +--- /dev/null ++++ b/src/aarch64/regname.c +@@ -0,0 +1,106 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#include "unwind_i.h" ++ ++static const char *const regname[] = ++ { ++ [UNW_AARCH64_X0] = "x0", ++ [UNW_AARCH64_X1] = "x1", ++ [UNW_AARCH64_X2] = "x2", ++ [UNW_AARCH64_X3] = "x3", ++ [UNW_AARCH64_X4] = "x4", ++ [UNW_AARCH64_X5] = "x5", ++ [UNW_AARCH64_X6] = "x6", ++ [UNW_AARCH64_X7] = "x7", ++ [UNW_AARCH64_X8] = "x8", ++ [UNW_AARCH64_X9] = "x9", ++ [UNW_AARCH64_X10] = "x10", ++ [UNW_AARCH64_X11] = "x11", ++ [UNW_AARCH64_X12] = "x12", ++ [UNW_AARCH64_X13] = "x13", ++ [UNW_AARCH64_X14] = "x14", ++ [UNW_AARCH64_X15] = "x15", ++ [UNW_AARCH64_X16] = "ip0", ++ [UNW_AARCH64_X17] = "ip1", ++ [UNW_AARCH64_X18] = "x18", ++ [UNW_AARCH64_X19] = "x19", ++ [UNW_AARCH64_X20] = "x20", ++ [UNW_AARCH64_X21] = "x21", ++ [UNW_AARCH64_X22] = "x22", ++ [UNW_AARCH64_X23] = "x23", ++ [UNW_AARCH64_X24] = "x24", ++ [UNW_AARCH64_X25] = "x25", ++ [UNW_AARCH64_X26] = "x26", ++ [UNW_AARCH64_X27] = "x27", ++ [UNW_AARCH64_X28] = "x28", ++ [UNW_AARCH64_X29] = "fp", ++ [UNW_AARCH64_X30] = "lr", ++ [UNW_AARCH64_SP] = "sp", ++ [UNW_AARCH64_PC] = "pc", ++ [UNW_AARCH64_V0] = "v0", ++ [UNW_AARCH64_V1] = "v1", ++ [UNW_AARCH64_V2] = "v2", ++ [UNW_AARCH64_V3] = "v3", ++ [UNW_AARCH64_V4] = "v4", ++ [UNW_AARCH64_V5] = "v5", ++ [UNW_AARCH64_V6] = "v6", ++ [UNW_AARCH64_V7] = "v7", ++ [UNW_AARCH64_V8] = "v8", ++ [UNW_AARCH64_V9] = "v9", ++ [UNW_AARCH64_V10] = "v10", ++ [UNW_AARCH64_V11] = "v11", ++ [UNW_AARCH64_V12] = "v12", ++ [UNW_AARCH64_V13] = "v13", ++ [UNW_AARCH64_V14] = "v14", ++ [UNW_AARCH64_V15] = "v15", ++ [UNW_AARCH64_V16] = "v16", ++ [UNW_AARCH64_V17] = "v17", ++ [UNW_AARCH64_V18] = "v18", ++ [UNW_AARCH64_V19] = "v19", ++ [UNW_AARCH64_V20] = "v20", ++ [UNW_AARCH64_V21] = "v21", ++ [UNW_AARCH64_V22] = "v22", ++ [UNW_AARCH64_V23] = "v23", ++ [UNW_AARCH64_V24] = "v24", ++ [UNW_AARCH64_V25] = "v25", ++ [UNW_AARCH64_V26] = "v26", ++ [UNW_AARCH64_V27] = "v27", ++ [UNW_AARCH64_V28] = "v28", ++ [UNW_AARCH64_V29] = "v29", ++ [UNW_AARCH64_V30] = "v30", ++ [UNW_AARCH64_V31] = "v31", ++ [UNW_AARCH64_FPSR] = "fpsr", ++ [UNW_AARCH64_FPCR] = "fpcr", ++ }; ++ ++PROTECTED const char * ++unw_regname (unw_regnum_t reg) ++{ ++ if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL) ++ return regname[reg]; ++ else ++ return "???"; ++} +--- /dev/null ++++ b/src/aarch64/siglongjmp.S +@@ -0,0 +1,12 @@ ++ /* Dummy implementation for now. */ ++ ++ .global _UI_siglongjmp_cont ++ .global _UI_longjmp_cont ++ ++_UI_siglongjmp_cont: ++_UI_longjmp_cont: ++ ret ++#ifdef __linux__ ++ /* We do not need executable stack. */ ++ .section .note.GNU-stack,"",%progbits ++#endif +--- /dev/null ++++ b/src/aarch64/unwind_i.h +@@ -0,0 +1,43 @@ ++/* libunwind - a platform-independent unwind library ++ Copyright (C) 2008 CodeSourcery ++ Copyright (C) 2013 Linaro Limited ++ ++This file is part of libunwind. ++ ++Permission is hereby granted, free of charge, to any person obtaining ++a copy of this software and associated documentation files (the ++"Software"), to deal in the Software without restriction, including ++without limitation the rights to use, copy, modify, merge, publish, ++distribute, sublicense, and/or sell copies of the Software, and to ++permit persons to whom the Software is furnished to do so, subject to ++the following conditions: ++ ++The above copyright notice and this permission notice shall be ++included in all copies or substantial portions of the Software. ++ ++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ++EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ++MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ++NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE ++LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION ++OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION ++WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ ++ ++#ifndef unwind_i_h ++#define unwind_i_h ++ ++#include <stdint.h> ++ ++#include <libunwind-aarch64.h> ++ ++#include "libunwind_i.h" ++ ++#define aarch64_lock UNW_OBJ(lock) ++#define aarch64_local_resume UNW_OBJ(local_resume) ++#define aarch64_local_addr_space_init UNW_OBJ(local_addr_space_init) ++ ++extern void aarch64_local_addr_space_init (void); ++extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, ++ void *arg); ++ ++#endif /* unwind_i_h */ +--- a/src/coredump/_UCD_access_reg_linux.c ++++ b/src/coredump/_UCD_access_reg_linux.c +@@ -39,7 +39,10 @@ _UCD_access_reg (unw_addr_space_t as, + return -UNW_EINVAL; + } + +-#if defined(UNW_TARGET_ARM) ++#if defined(UNW_TARGET_AARCH64) ++ if (regnum < 0 || regnum >= UNW_AARCH64_FPCR) ++ goto badreg; ++#elif defined(UNW_TARGET_ARM) + if (regnum < 0 || regnum >= 16) + goto badreg; + #elif defined(UNW_TARGET_SH) +--- a/src/ptrace/_UPT_reg_offset.c ++++ b/src/ptrace/_UPT_reg_offset.c +@@ -1,6 +1,7 @@ + /* libunwind - a platform-independent unwind library + Copyright (C) 2003-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> ++ Copyright (C) 2013 Linaro Limited + + This file is part of libunwind. + +@@ -501,6 +502,41 @@ const int _UPT_reg_offset[UNW_REG_LAST + + [UNW_ARM_R15] = 0x3c, + #elif defined(UNW_TARGET_MIPS) + #elif defined(UNW_TARGET_SH) ++#elif defined(UNW_TARGET_AARCH64) ++ [UNW_AARCH64_X0] = 0x00, ++ [UNW_AARCH64_X1] = 0x08, ++ [UNW_AARCH64_X2] = 0x10, ++ [UNW_AARCH64_X3] = 0x18, ++ [UNW_AARCH64_X4] = 0x20, ++ [UNW_AARCH64_X5] = 0x28, ++ [UNW_AARCH64_X6] = 0x30, ++ [UNW_AARCH64_X7] = 0x38, ++ [UNW_AARCH64_X8] = 0x40, ++ [UNW_AARCH64_X9] = 0x48, ++ [UNW_AARCH64_X10] = 0x50, ++ [UNW_AARCH64_X11] = 0x58, ++ [UNW_AARCH64_X12] = 0x60, ++ [UNW_AARCH64_X13] = 0x68, ++ [UNW_AARCH64_X14] = 0x70, ++ [UNW_AARCH64_X15] = 0x78, ++ [UNW_AARCH64_X16] = 0x80, ++ [UNW_AARCH64_X17] = 0x88, ++ [UNW_AARCH64_X18] = 0x90, ++ [UNW_AARCH64_X19] = 0x98, ++ [UNW_AARCH64_X20] = 0xa0, ++ [UNW_AARCH64_X21] = 0xa8, ++ [UNW_AARCH64_X22] = 0xb0, ++ [UNW_AARCH64_X23] = 0xb8, ++ [UNW_AARCH64_X24] = 0xc0, ++ [UNW_AARCH64_X25] = 0xc8, ++ [UNW_AARCH64_X26] = 0xd0, ++ [UNW_AARCH64_X27] = 0xd8, ++ [UNW_AARCH64_X28] = 0xe0, ++ [UNW_AARCH64_X29] = 0xe8, ++ [UNW_AARCH64_X30] = 0xf0, ++ [UNW_AARCH64_SP] = 0xf8, ++ [UNW_AARCH64_PC] = 0x100, ++ [UNW_AARCH64_PSTATE] = 0x108 + #else + # error Fix me. + #endif diff --git a/meta/recipes-support/libunwind/libunwind-1.1/Support-building-with-older-compilers.patch b/meta/recipes-support/libunwind/libunwind-1.1/Support-building-with-older-compilers.patch new file mode 100644 index 0000000..268b702 --- /dev/null +++ b/meta/recipes-support/libunwind/libunwind-1.1/Support-building-with-older-compilers.patch @@ -0,0 +1,72 @@ +From 10b064ffe902d5af31bb49bd8e4f03c545f8d462 Mon Sep 17 00:00:00 2001 +From: Ladislav Michl <ladis@linux-mips.org> +Date: Tue, 13 Nov 2012 11:19:47 +0100 +Subject: [PATCH] Support building with older compilers. + +Add a check for __builtin_unreachable. + +Upstream-Status: Pending +--- + configure.ac | 11 +++++++++++ + include/libunwind_i.h | 6 ++++++ + src/arm/Gresume.c | 2 +- + src/sh/Gresume.c | 2 +- + 4 files changed, 19 insertions(+), 2 deletions(-) + +--- a/configure.ac ++++ b/configure.ac +@@ -285,6 +285,17 @@ if test x$have__builtin___clear_cache = + fi + AC_MSG_RESULT([$have__builtin___clear_cache]) + ++AC_MSG_CHECKING([for __builtin_unreachable]) ++AC_LINK_IFELSE( ++ [AC_LANG_PROGRAM([[]], [[__builtin_unreachable()]])], ++ [have__builtin_unreachable=yes], ++ [have__builtin_unreachable=no]) ++if test x$have__builtin_unreachable = xyes; then ++ AC_DEFINE([HAVE__BUILTIN_UNREACHABLE], [1], ++ [Defined if __builtin_unreachable() is available]) ++fi ++AC_MSG_RESULT([$have__builtin_unreachable]) ++ + AC_MSG_CHECKING([for __sync atomics]) + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[]], [[ +--- a/include/libunwind_i.h ++++ b/include/libunwind_i.h +@@ -72,6 +72,12 @@ WITH THE SOFTWARE OR THE USE OR OTHER DE + # endif + #endif + ++#if defined(HAVE__BUILTIN_UNREACHABLE) ++# define unreachable() __builtin_unreachable() ++#else ++# define unreachable() do { } while (1) ++#endif ++ + #ifdef DEBUG + # define UNW_DEBUG 1 + #else +--- a/src/arm/Gresume.c ++++ b/src/arm/Gresume.c +@@ -96,7 +96,7 @@ arm_local_resume (unw_addr_space_t as, u + : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) + ); + } +- __builtin_unreachable(); ++ unreachable(); + #else + printf ("%s: implement me\n", __FUNCTION__); + #endif +--- a/src/sh/Gresume.c ++++ b/src/sh/Gresume.c +@@ -109,7 +109,7 @@ sh_local_resume (unw_addr_space_t as, un + "r" (c->sigcontext_pc) + ); + } +- __builtin_unreachable(); ++ unreachable(); + #endif + return -UNW_EINVAL; + } diff --git a/meta/recipes-support/libunwind/libunwind.inc b/meta/recipes-support/libunwind/libunwind.inc index b27b9e5..6743b21 100644 --- a/meta/recipes-support/libunwind/libunwind.inc +++ b/meta/recipes-support/libunwind/libunwind.inc @@ -11,6 +11,7 @@ PACKAGECONFIG ??= "" PACKAGECONFIG[lzma] = "--enable-minidebuginfo,--disable-minidebuginfo,lzma" EXTRA_OECONF_arm = "--enable-debug-frame" +EXTRA_OECONF_aarch64 = "--enable-debug-frame" CFLAGS += "${ATOMICOPS}" ATOMICOPS_armv5 = "-DAO_USE_PTHREAD_DEFS=1" diff --git a/meta/recipes-support/libunwind/libunwind_1.1.bb b/meta/recipes-support/libunwind/libunwind_1.1.bb index bc38e36..2e52430 100644 --- a/meta/recipes-support/libunwind/libunwind_1.1.bb +++ b/meta/recipes-support/libunwind/libunwind_1.1.bb @@ -1,4 +1,9 @@ require libunwind.inc +SRC_URI += "\ + file://Support-building-with-older-compilers.patch \ + file://AArch64-port.patch \ +" + SRC_URI[md5sum] = "fb4ea2f6fbbe45bf032cd36e586883ce" SRC_URI[sha256sum] = "9dfe0fcae2a866de9d3942c66995e4b460230446887dbdab302d41a8aee8d09a"

[13/24] libunwind: add aarch64 support

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