| 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 |