Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | From ac6c0a6535975f1dc2da6e4e2766614baac2a14a Mon Sep 17 00:00:00 2001 |
| 2 | From: Yvan Roux <yvan.roux@linaro.org> |
| 3 | Date: Sat, 11 May 2013 09:18:23 -0600 |
| 4 | Subject: [PATCH] AArch64 port. |
| 5 | |
| 6 | Upstream-Status: Backport |
| 7 | |
| 8 | --- |
| 9 | Makefile.am | 6 |
| 10 | README | 1 |
| 11 | configure.ac | 6 |
| 12 | include/libunwind-aarch64.h | 187 ++++++++++++++++++++++ |
| 13 | include/libunwind.h.in | 4 |
| 14 | include/tdep-aarch64/dwarf-config.h | 52 ++++++ |
| 15 | include/tdep-aarch64/jmpbuf.h | 33 +++ |
| 16 | include/tdep-aarch64/libunwind_i.h | 294 +++++++++++++++++++++++++++++++++++ |
| 17 | include/tdep/dwarf-config.h | 4 |
| 18 | include/tdep/jmpbuf.h | 2 |
| 19 | include/tdep/libunwind_i.h.in | 4 |
| 20 | src/Makefile.am | 39 ++++ |
| 21 | src/aarch64/Gcreate_addr_space.c | 60 +++++++ |
| 22 | src/aarch64/Gget_proc_info.c | 39 ++++ |
| 23 | src/aarch64/Gget_save_loc.c | 100 +++++++++++ |
| 24 | src/aarch64/Gglobal.c | 57 ++++++ |
| 25 | src/aarch64/Ginit.c | 187 ++++++++++++++++++++++ |
| 26 | src/aarch64/Ginit_local.c | 55 ++++++ |
| 27 | src/aarch64/Ginit_remote.c | 45 +++++ |
| 28 | src/aarch64/Gis_signal_frame.c | 64 +++++++ |
| 29 | src/aarch64/Gregs.c | 113 +++++++++++++ |
| 30 | src/aarch64/Gresume.c | 177 +++++++++++++++++++++ |
| 31 | src/aarch64/Gstep.c | 129 +++++++++++++++ |
| 32 | src/aarch64/Lcreate_addr_space.c | 5 |
| 33 | src/aarch64/Lget_proc_info.c | 5 |
| 34 | src/aarch64/Lget_save_loc.c | 5 |
| 35 | src/aarch64/Lglobal.c | 5 |
| 36 | src/aarch64/Linit.c | 5 |
| 37 | src/aarch64/Linit_local.c | 5 |
| 38 | src/aarch64/Linit_remote.c | 5 |
| 39 | src/aarch64/Lis_signal_frame.c | 5 |
| 40 | src/aarch64/Lregs.c | 5 |
| 41 | src/aarch64/Lresume.c | 5 |
| 42 | src/aarch64/Lstep.c | 5 |
| 43 | src/aarch64/gen-offsets.c | 68 ++++++++ |
| 44 | src/aarch64/init.h | 127 +++++++++++++++ |
| 45 | src/aarch64/is_fpreg.c | 32 +++ |
| 46 | src/aarch64/offsets.h | 49 +++++ |
| 47 | src/aarch64/regname.c | 106 ++++++++++++ |
| 48 | src/aarch64/siglongjmp.S | 12 + |
| 49 | src/aarch64/unwind_i.h | 43 +++++ |
| 50 | src/coredump/_UCD_access_reg_linux.c | 5 |
| 51 | src/ptrace/_UPT_reg_offset.c | 36 ++++ |
| 52 | 43 files changed, 2184 insertions(+), 7 deletions(-) |
| 53 | create mode 100644 include/libunwind-aarch64.h |
| 54 | create mode 100644 include/tdep-aarch64/dwarf-config.h |
| 55 | create mode 100644 include/tdep-aarch64/jmpbuf.h |
| 56 | create mode 100644 include/tdep-aarch64/libunwind_i.h |
| 57 | create mode 100644 src/aarch64/Gcreate_addr_space.c |
| 58 | create mode 100644 src/aarch64/Gget_proc_info.c |
| 59 | create mode 100644 src/aarch64/Gget_save_loc.c |
| 60 | create mode 100644 src/aarch64/Gglobal.c |
| 61 | create mode 100644 src/aarch64/Ginit.c |
| 62 | create mode 100644 src/aarch64/Ginit_local.c |
| 63 | create mode 100644 src/aarch64/Ginit_remote.c |
| 64 | create mode 100644 src/aarch64/Gis_signal_frame.c |
| 65 | create mode 100644 src/aarch64/Gregs.c |
| 66 | create mode 100644 src/aarch64/Gresume.c |
| 67 | create mode 100644 src/aarch64/Gstep.c |
| 68 | create mode 100644 src/aarch64/Lcreate_addr_space.c |
| 69 | create mode 100644 src/aarch64/Lget_proc_info.c |
| 70 | create mode 100644 src/aarch64/Lget_save_loc.c |
| 71 | create mode 100644 src/aarch64/Lglobal.c |
| 72 | create mode 100644 src/aarch64/Linit.c |
| 73 | create mode 100644 src/aarch64/Linit_local.c |
| 74 | create mode 100644 src/aarch64/Linit_remote.c |
| 75 | create mode 100644 src/aarch64/Lis_signal_frame.c |
| 76 | create mode 100644 src/aarch64/Lregs.c |
| 77 | create mode 100644 src/aarch64/Lresume.c |
| 78 | create mode 100644 src/aarch64/Lstep.c |
| 79 | create mode 100644 src/aarch64/gen-offsets.c |
| 80 | create mode 100644 src/aarch64/init.h |
| 81 | create mode 100644 src/aarch64/is_fpreg.c |
| 82 | create mode 100644 src/aarch64/offsets.h |
| 83 | create mode 100644 src/aarch64/regname.c |
| 84 | create mode 100644 src/aarch64/siglongjmp.S |
| 85 | create mode 100644 src/aarch64/unwind_i.h |
| 86 | |
| 87 | --- a/Makefile.am |
| 88 | +++ b/Makefile.am |
| 89 | @@ -2,6 +2,9 @@ include_HEADERS = include/libunwind-dyna |
| 90 | include/libunwind-ptrace.h \ |
| 91 | include/libunwind-coredump.h |
| 92 | |
| 93 | +if ARCH_AARCH64 |
| 94 | +include_HEADERS += include/libunwind-aarch64.h |
| 95 | +endif |
| 96 | if ARCH_ARM |
| 97 | include_HEADERS += include/libunwind-arm.h |
| 98 | endif |
| 99 | @@ -41,6 +44,9 @@ SUBDIRS = src tests doc |
| 100 | noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \ |
| 101 | include/compiler.h include/libunwind_i.h include/mempool.h \ |
| 102 | include/remote.h \ |
| 103 | + include/tdep-aarch64/dwarf-config.h \ |
| 104 | + include/tdep-aarch64/jmpbuf.h \ |
| 105 | + include/tdep-aarch64/libunwind_i.h \ |
| 106 | include/tdep-arm/dwarf-config.h include/tdep-arm/ex_tables.h \ |
| 107 | include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \ |
| 108 | include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h \ |
| 109 | --- a/README |
| 110 | +++ b/README |
| 111 | @@ -9,6 +9,7 @@ several architecture/operating-system co |
| 112 | Linux/IA-64: Fully tested and supported. |
| 113 | Linux/PARISC: Works well, but C library missing unwind-info. |
| 114 | HP-UX/IA-64: Mostly works but known to have some serious limitations. |
| 115 | + Linux/AArch64: Newly added. |
| 116 | Linux/PPC64: Newly added. |
| 117 | Linux/SuperH: Newly added. |
| 118 | FreeBSD/i386: Newly added. |
| 119 | --- a/configure.ac |
| 120 | +++ b/configure.ac |
| 121 | @@ -104,7 +104,7 @@ SET_ARCH([$target_cpu],[target_arch]) |
| 122 | |
| 123 | AC_ARG_ENABLE(coredump, |
| 124 | AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),, |
| 125 | - [AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] |
| 126 | + [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] |
| 127 | ) |
| 128 | |
| 129 | AC_MSG_CHECKING([if we should build libunwind-coredump]) |
| 130 | @@ -121,6 +121,7 @@ AC_MSG_RESULT([$target_os]) |
| 131 | |
| 132 | AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes) |
| 133 | AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch) |
| 134 | +AM_CONDITIONAL(ARCH_AARCH64, test x$target_arch = xaarch64) |
| 135 | AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm) |
| 136 | AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64) |
| 137 | AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa) |
| 138 | @@ -137,7 +138,7 @@ AM_CONDITIONAL(OS_FREEBSD, expr x$target |
| 139 | AC_MSG_CHECKING([for ELF helper width]) |
| 140 | case "${target_arch}" in |
| 141 | (arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);; |
| 142 | -(ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);; |
| 143 | +(aarch64|ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);; |
| 144 | (mips) use_elfxx=yes; AC_MSG_RESULT([xx]);; |
| 145 | *) AC_MSG_ERROR([Unknown ELF target: ${target_arch}]) |
| 146 | esac |
| 147 | @@ -186,6 +187,7 @@ AS_HELP_STRING([--enable-cxx-exceptions] |
| 148 | # C++ exception handling doesn't work too well on x86 |
| 149 | case $target_arch in |
| 150 | x86*) enable_cxx_exceptions=no;; |
| 151 | + aarch64*) enable_cxx_exceptions=no;; |
| 152 | arm*) enable_cxx_exceptions=no;; |
| 153 | mips*) enable_cxx_exceptions=no;; |
| 154 | *) enable_cxx_exceptions=yes;; |
| 155 | --- /dev/null |
| 156 | +++ b/include/libunwind-aarch64.h |
| 157 | @@ -0,0 +1,187 @@ |
| 158 | +/* libunwind - a platform-independent unwind library |
| 159 | + Copyright (C) 2001-2004 Hewlett-Packard Co |
| 160 | + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> |
| 161 | + Copyright (C) 2013 Linaro Limited |
| 162 | + |
| 163 | +This file is part of libunwind. |
| 164 | + |
| 165 | +Permission is hereby granted, free of charge, to any person obtaining |
| 166 | +a copy of this software and associated documentation files (the |
| 167 | +"Software"), to deal in the Software without restriction, including |
| 168 | +without limitation the rights to use, copy, modify, merge, publish, |
| 169 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 170 | +permit persons to whom the Software is furnished to do so, subject to |
| 171 | +the following conditions: |
| 172 | + |
| 173 | +The above copyright notice and this permission notice shall be |
| 174 | +included in all copies or substantial portions of the Software. |
| 175 | + |
| 176 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 177 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 178 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 179 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 180 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 181 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 182 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 183 | + |
| 184 | +#ifndef LIBUNWIND_H |
| 185 | +#define LIBUNWIND_H |
| 186 | + |
| 187 | +#if defined(__cplusplus) || defined(c_plusplus) |
| 188 | +extern "C" { |
| 189 | +#endif |
| 190 | + |
| 191 | +#include <inttypes.h> |
| 192 | +#include <stddef.h> |
| 193 | +#include <ucontext.h> |
| 194 | + |
| 195 | +#define UNW_TARGET aarch64 |
| 196 | +#define UNW_TARGET_AARCH64 1 |
| 197 | + |
| 198 | +#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ |
| 199 | + |
| 200 | +/* This needs to be big enough to accommodate "struct cursor", while |
| 201 | + leaving some slack for future expansion. Changing this value will |
| 202 | + require recompiling all users of this library. Stack allocation is |
| 203 | + relatively cheap and unwind-state copying is relatively rare, so we |
| 204 | + want to err on making it rather too big than too small. */ |
| 205 | + |
| 206 | +#define UNW_TDEP_CURSOR_LEN 4096 |
| 207 | + |
| 208 | +typedef uint64_t unw_word_t; |
| 209 | +typedef int64_t unw_sword_t; |
| 210 | + |
| 211 | +typedef long double unw_tdep_fpreg_t; |
| 212 | + |
| 213 | +typedef struct |
| 214 | + { |
| 215 | + /* no aarch64-specific auxiliary proc-info */ |
| 216 | + } |
| 217 | +unw_tdep_proc_info_t; |
| 218 | + |
| 219 | +typedef enum |
| 220 | + { |
| 221 | + /* 64-bit general registers. */ |
| 222 | + UNW_AARCH64_X0, |
| 223 | + UNW_AARCH64_X1, |
| 224 | + UNW_AARCH64_X2, |
| 225 | + UNW_AARCH64_X3, |
| 226 | + UNW_AARCH64_X4, |
| 227 | + UNW_AARCH64_X5, |
| 228 | + UNW_AARCH64_X6, |
| 229 | + UNW_AARCH64_X7, |
| 230 | + UNW_AARCH64_X8, |
| 231 | + |
| 232 | + /* Temporary registers. */ |
| 233 | + UNW_AARCH64_X9, |
| 234 | + UNW_AARCH64_X10, |
| 235 | + UNW_AARCH64_X11, |
| 236 | + UNW_AARCH64_X12, |
| 237 | + UNW_AARCH64_X13, |
| 238 | + UNW_AARCH64_X14, |
| 239 | + UNW_AARCH64_X15, |
| 240 | + |
| 241 | + /* Intra-procedure-call temporary registers. */ |
| 242 | + UNW_AARCH64_X16, |
| 243 | + UNW_AARCH64_X17, |
| 244 | + |
| 245 | + /* Callee-saved registers. */ |
| 246 | + UNW_AARCH64_X18, |
| 247 | + UNW_AARCH64_X19, |
| 248 | + UNW_AARCH64_X20, |
| 249 | + UNW_AARCH64_X21, |
| 250 | + UNW_AARCH64_X22, |
| 251 | + UNW_AARCH64_X23, |
| 252 | + UNW_AARCH64_X24, |
| 253 | + UNW_AARCH64_X25, |
| 254 | + UNW_AARCH64_X26, |
| 255 | + UNW_AARCH64_X27, |
| 256 | + UNW_AARCH64_X28, |
| 257 | + |
| 258 | + /* 64-bit frame pointer. */ |
| 259 | + UNW_AARCH64_X29, |
| 260 | + |
| 261 | + /* 64-bit link register. */ |
| 262 | + UNW_AARCH64_X30, |
| 263 | + |
| 264 | + /* 64-bit stack pointer. */ |
| 265 | + UNW_AARCH64_SP = 31, |
| 266 | + UNW_AARCH64_PC, |
| 267 | + UNW_AARCH64_PSTATE, |
| 268 | + |
| 269 | + /* 128-bit FP/Advanced SIMD registers. */ |
| 270 | + UNW_AARCH64_V0 = 64, |
| 271 | + UNW_AARCH64_V1, |
| 272 | + UNW_AARCH64_V2, |
| 273 | + UNW_AARCH64_V3, |
| 274 | + UNW_AARCH64_V4, |
| 275 | + UNW_AARCH64_V5, |
| 276 | + UNW_AARCH64_V6, |
| 277 | + UNW_AARCH64_V7, |
| 278 | + UNW_AARCH64_V8, |
| 279 | + UNW_AARCH64_V9, |
| 280 | + UNW_AARCH64_V10, |
| 281 | + UNW_AARCH64_V11, |
| 282 | + UNW_AARCH64_V12, |
| 283 | + UNW_AARCH64_V13, |
| 284 | + UNW_AARCH64_V14, |
| 285 | + UNW_AARCH64_V15, |
| 286 | + UNW_AARCH64_V16, |
| 287 | + UNW_AARCH64_V17, |
| 288 | + UNW_AARCH64_V18, |
| 289 | + UNW_AARCH64_V19, |
| 290 | + UNW_AARCH64_V20, |
| 291 | + UNW_AARCH64_V21, |
| 292 | + UNW_AARCH64_V22, |
| 293 | + UNW_AARCH64_V23, |
| 294 | + UNW_AARCH64_V24, |
| 295 | + UNW_AARCH64_V25, |
| 296 | + UNW_AARCH64_V26, |
| 297 | + UNW_AARCH64_V27, |
| 298 | + UNW_AARCH64_V28, |
| 299 | + UNW_AARCH64_V29, |
| 300 | + UNW_AARCH64_V30, |
| 301 | + UNW_AARCH64_V31, |
| 302 | + |
| 303 | + UNW_AARCH64_FPSR, |
| 304 | + UNW_AARCH64_FPCR, |
| 305 | + |
| 306 | + /* For AArch64, the CFA is the value of SP (x31) at the call site of the |
| 307 | + previous frame. */ |
| 308 | + UNW_AARCH64_CFA = UNW_AARCH64_SP, |
| 309 | + |
| 310 | + UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR, |
| 311 | + |
| 312 | + UNW_TDEP_IP = UNW_AARCH64_X30, |
| 313 | + UNW_TDEP_SP = UNW_AARCH64_SP, |
| 314 | + UNW_TDEP_EH = UNW_AARCH64_X0, |
| 315 | + |
| 316 | + } |
| 317 | +aarch64_regnum_t; |
| 318 | + |
| 319 | +/* Use R0 through R3 to pass exception handling information. */ |
| 320 | +#define UNW_TDEP_NUM_EH_REGS 4 |
| 321 | + |
| 322 | +typedef struct unw_tdep_save_loc |
| 323 | + { |
| 324 | + /* Additional target-dependent info on a save location. */ |
| 325 | + } |
| 326 | +unw_tdep_save_loc_t; |
| 327 | + |
| 328 | + |
| 329 | +/* On AArch64, we can directly use ucontext_t as the unwind context. */ |
| 330 | +typedef ucontext_t unw_tdep_context_t; |
| 331 | + |
| 332 | +#include "libunwind-common.h" |
| 333 | +#include "libunwind-dynamic.h" |
| 334 | + |
| 335 | +#define unw_tdep_getcontext(uc) (getcontext (uc), 0) |
| 336 | +#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) |
| 337 | + |
| 338 | +extern int unw_tdep_is_fpreg (int); |
| 339 | + |
| 340 | +#if defined(__cplusplus) || defined(c_plusplus) |
| 341 | +} |
| 342 | +#endif |
| 343 | + |
| 344 | +#endif /* LIBUNWIND_H */ |
| 345 | --- a/include/libunwind.h.in |
| 346 | +++ b/include/libunwind.h.in |
| 347 | @@ -3,7 +3,9 @@ |
| 348 | |
| 349 | #ifndef UNW_REMOTE_ONLY |
| 350 | |
| 351 | -#if defined __arm__ |
| 352 | +#if defined __aarch64__ |
| 353 | +#include "libunwind-aarch64.h" |
| 354 | +#elif defined __arm__ |
| 355 | # include "libunwind-arm.h" |
| 356 | #elif defined __hppa__ |
| 357 | # include "libunwind-hppa.h" |
| 358 | --- /dev/null |
| 359 | +++ b/include/tdep-aarch64/dwarf-config.h |
| 360 | @@ -0,0 +1,52 @@ |
| 361 | +/* libunwind - a platform-independent unwind library |
| 362 | + Copyright (C) 2008 CodeSourcery |
| 363 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 364 | + Copyright (C) 2013 Linaro Limited |
| 365 | + |
| 366 | +This file is part of libunwind. |
| 367 | + |
| 368 | +Permission is hereby granted, free of charge, to any person obtaining |
| 369 | +a copy of this software and associated documentation files (the |
| 370 | +"Software"), to deal in the Software without restriction, including |
| 371 | +without limitation the rights to use, copy, modify, merge, publish, |
| 372 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 373 | +permit persons to whom the Software is furnished to do so, subject to |
| 374 | +the following conditions: |
| 375 | + |
| 376 | +The above copyright notice and this permission notice shall be |
| 377 | +included in all copies or substantial portions of the Software. |
| 378 | + |
| 379 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 380 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 381 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 382 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 383 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 384 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 385 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 386 | + |
| 387 | +#ifndef dwarf_config_h |
| 388 | +#define dwarf_config_h |
| 389 | + |
| 390 | +/* This matches the value udes by GCC (see |
| 391 | + gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS. */ |
| 392 | +#define DWARF_NUM_PRESERVED_REGS 97 |
| 393 | + |
| 394 | +/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ |
| 395 | +#define dwarf_is_big_endian(addr_space) 0 |
| 396 | + |
| 397 | +#define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0) |
| 398 | + |
| 399 | +/* Convert a pointer to a dwarf_cursor structure to a pointer to |
| 400 | + unw_cursor_t. */ |
| 401 | +#define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) |
| 402 | + |
| 403 | +typedef struct dwarf_loc |
| 404 | + { |
| 405 | + unw_word_t val; |
| 406 | +#ifndef UNW_LOCAL_ONLY |
| 407 | + unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ |
| 408 | +#endif |
| 409 | + } |
| 410 | +dwarf_loc_t; |
| 411 | + |
| 412 | +#endif /* dwarf_config_h */ |
| 413 | --- /dev/null |
| 414 | +++ b/include/tdep-aarch64/jmpbuf.h |
| 415 | @@ -0,0 +1,33 @@ |
| 416 | +/* libunwind - a platform-independent unwind library |
| 417 | + Copyright (C) 2008 CodeSourcery |
| 418 | + Copyright (C) 2013 Linaro Limited |
| 419 | + |
| 420 | +This file is part of libunwind. |
| 421 | + |
| 422 | +Permission is hereby granted, free of charge, to any person obtaining |
| 423 | +a copy of this software and associated documentation files (the |
| 424 | +"Software"), to deal in the Software without restriction, including |
| 425 | +without limitation the rights to use, copy, modify, merge, publish, |
| 426 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 427 | +permit persons to whom the Software is furnished to do so, subject to |
| 428 | +the following conditions: |
| 429 | + |
| 430 | +The above copyright notice and this permission notice shall be |
| 431 | +included in all copies or substantial portions of the Software. |
| 432 | + |
| 433 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 434 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 435 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 436 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 437 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 438 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 439 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 440 | + |
| 441 | +/* Use glibc's jump-buffer indices; NPTL peeks at SP: */ |
| 442 | + |
| 443 | +/* FIXME for AArch64 */ |
| 444 | + |
| 445 | +#define JB_SP 13 |
| 446 | +#define JB_RP 14 |
| 447 | +#define JB_MASK_SAVED 15 |
| 448 | +#define JB_MASK 16 |
| 449 | --- /dev/null |
| 450 | +++ b/include/tdep-aarch64/libunwind_i.h |
| 451 | @@ -0,0 +1,294 @@ |
| 452 | +/* libunwind - a platform-independent unwind library |
| 453 | + Copyright (C) 2001-2005 Hewlett-Packard Co |
| 454 | + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> |
| 455 | + Copyright (C) 2013 Linaro Limited |
| 456 | + |
| 457 | +This file is part of libunwind. |
| 458 | + |
| 459 | +Permission is hereby granted, free of charge, to any person obtaining |
| 460 | +a copy of this software and associated documentation files (the |
| 461 | +"Software"), to deal in the Software without restriction, including |
| 462 | +without limitation the rights to use, copy, modify, merge, publish, |
| 463 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 464 | +permit persons to whom the Software is furnished to do so, subject to |
| 465 | +the following conditions: |
| 466 | + |
| 467 | +The above copyright notice and this permission notice shall be |
| 468 | +included in all copies or substantial portions of the Software. |
| 469 | + |
| 470 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 471 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 472 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 473 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 474 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 475 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 476 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 477 | + |
| 478 | +#ifndef AARCH64_LIBUNWIND_I_H |
| 479 | +#define AARCH64_LIBUNWIND_I_H |
| 480 | + |
| 481 | +/* Target-dependent definitions that are internal to libunwind but need |
| 482 | + to be shared with target-independent code. */ |
| 483 | + |
| 484 | +#include <stdlib.h> |
| 485 | +#include <libunwind.h> |
| 486 | + |
| 487 | +#include "elf64.h" |
| 488 | +#include "mempool.h" |
| 489 | +#include "dwarf.h" |
| 490 | + |
| 491 | +typedef struct |
| 492 | + { |
| 493 | + /* no aarch64-specific fast trace */ |
| 494 | + } |
| 495 | +unw_tdep_frame_t; |
| 496 | + |
| 497 | +#ifdef UNW_LOCAL_ONLY |
| 498 | + |
| 499 | +typedef unw_word_t aarch64_loc_t; |
| 500 | + |
| 501 | +#else /* !UNW_LOCAL_ONLY */ |
| 502 | + |
| 503 | +typedef struct aarch64_loc |
| 504 | + { |
| 505 | + unw_word_t w0, w1; |
| 506 | + } |
| 507 | +aarch64_loc_t; |
| 508 | + |
| 509 | +#endif /* !UNW_LOCAL_ONLY */ |
| 510 | + |
| 511 | +struct unw_addr_space |
| 512 | + { |
| 513 | + struct unw_accessors acc; |
| 514 | + int big_endian; |
| 515 | + unw_caching_policy_t caching_policy; |
| 516 | +#ifdef HAVE_ATOMIC_OPS_H |
| 517 | + AO_t cache_generation; |
| 518 | +#else |
| 519 | + uint32_t cache_generation; |
| 520 | +#endif |
| 521 | + unw_word_t dyn_generation; /* see dyn-common.h */ |
| 522 | + unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ |
| 523 | + struct dwarf_rs_cache global_cache; |
| 524 | + struct unw_debug_frame_list *debug_frames; |
| 525 | + }; |
| 526 | + |
| 527 | +struct cursor |
| 528 | + { |
| 529 | + struct dwarf_cursor dwarf; /* must be first */ |
| 530 | + enum |
| 531 | + { |
| 532 | + AARCH64_SCF_NONE, |
| 533 | + AARCH64_SCF_LINUX_RT_SIGFRAME, |
| 534 | + } |
| 535 | + sigcontext_format; |
| 536 | + unw_word_t sigcontext_addr; |
| 537 | + unw_word_t sigcontext_sp; |
| 538 | + unw_word_t sigcontext_pc; |
| 539 | + }; |
| 540 | + |
| 541 | +#define DWARF_GET_LOC(l) ((l).val) |
| 542 | + |
| 543 | +#ifdef UNW_LOCAL_ONLY |
| 544 | +# define DWARF_NULL_LOC DWARF_LOC (0, 0) |
| 545 | +# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) |
| 546 | +# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) |
| 547 | +# define DWARF_IS_REG_LOC(l) 0 |
| 548 | +# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ |
| 549 | + tdep_uc_addr((c)->as_arg, (r)), 0)) |
| 550 | +# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) |
| 551 | +# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ |
| 552 | + tdep_uc_addr((c)->as_arg, (r)), 0)) |
| 553 | + |
| 554 | +static inline int |
| 555 | +dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) |
| 556 | +{ |
| 557 | + if (!DWARF_GET_LOC (loc)) |
| 558 | + return -1; |
| 559 | + *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); |
| 560 | + return 0; |
| 561 | +} |
| 562 | + |
| 563 | +static inline int |
| 564 | +dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) |
| 565 | +{ |
| 566 | + if (!DWARF_GET_LOC (loc)) |
| 567 | + return -1; |
| 568 | + *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; |
| 569 | + return 0; |
| 570 | +} |
| 571 | + |
| 572 | +static inline int |
| 573 | +dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) |
| 574 | +{ |
| 575 | + if (!DWARF_GET_LOC (loc)) |
| 576 | + return -1; |
| 577 | + *val = *(unw_word_t *) DWARF_GET_LOC (loc); |
| 578 | + return 0; |
| 579 | +} |
| 580 | + |
| 581 | +static inline int |
| 582 | +dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) |
| 583 | +{ |
| 584 | + if (!DWARF_GET_LOC (loc)) |
| 585 | + return -1; |
| 586 | + *(unw_word_t *) DWARF_GET_LOC (loc) = val; |
| 587 | + return 0; |
| 588 | +} |
| 589 | + |
| 590 | +#else /* !UNW_LOCAL_ONLY */ |
| 591 | +# define DWARF_LOC_TYPE_FP (1 << 0) |
| 592 | +# define DWARF_LOC_TYPE_REG (1 << 1) |
| 593 | +# define DWARF_NULL_LOC DWARF_LOC (0, 0) |
| 594 | +# define DWARF_IS_NULL_LOC(l) \ |
| 595 | + ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) |
| 596 | +# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) |
| 597 | +# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) |
| 598 | +# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) |
| 599 | +# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) |
| 600 | +# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) |
| 601 | +# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ |
| 602 | + | DWARF_LOC_TYPE_FP)) |
| 603 | + |
| 604 | +static inline int |
| 605 | +dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) |
| 606 | +{ |
| 607 | + char *valp = (char *) &val; |
| 608 | + unw_word_t addr; |
| 609 | + int ret; |
| 610 | + |
| 611 | + if (DWARF_IS_NULL_LOC (loc)) |
| 612 | + return -UNW_EBADREG; |
| 613 | + |
| 614 | + if (DWARF_IS_REG_LOC (loc)) |
| 615 | + return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), |
| 616 | + val, 0, c->as_arg); |
| 617 | + |
| 618 | + addr = DWARF_GET_LOC (loc); |
| 619 | + if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, |
| 620 | + 0, c->as_arg)) < 0) |
| 621 | + return ret; |
| 622 | + |
| 623 | + return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, |
| 624 | + c->as_arg); |
| 625 | +} |
| 626 | + |
| 627 | +static inline int |
| 628 | +dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) |
| 629 | +{ |
| 630 | + char *valp = (char *) &val; |
| 631 | + unw_word_t addr; |
| 632 | + int ret; |
| 633 | + |
| 634 | + if (DWARF_IS_NULL_LOC (loc)) |
| 635 | + return -UNW_EBADREG; |
| 636 | + |
| 637 | + if (DWARF_IS_REG_LOC (loc)) |
| 638 | + return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), |
| 639 | + &val, 1, c->as_arg); |
| 640 | + |
| 641 | + addr = DWARF_GET_LOC (loc); |
| 642 | + if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, |
| 643 | + 1, c->as_arg)) < 0) |
| 644 | + return ret; |
| 645 | + |
| 646 | + return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, |
| 647 | + 1, c->as_arg); |
| 648 | +} |
| 649 | + |
| 650 | +static inline int |
| 651 | +dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) |
| 652 | +{ |
| 653 | + if (DWARF_IS_NULL_LOC (loc)) |
| 654 | + return -UNW_EBADREG; |
| 655 | + |
| 656 | + /* If a code-generator were to save a value of type unw_word_t in a |
| 657 | + floating-point register, we would have to support this case. I |
| 658 | + suppose it could happen with MMX registers, but does it really |
| 659 | + happen? */ |
| 660 | + assert (!DWARF_IS_FP_LOC (loc)); |
| 661 | + |
| 662 | + if (DWARF_IS_REG_LOC (loc)) |
| 663 | + return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, |
| 664 | + 0, c->as_arg); |
| 665 | + else |
| 666 | + return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, |
| 667 | + 0, c->as_arg); |
| 668 | +} |
| 669 | + |
| 670 | +static inline int |
| 671 | +dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) |
| 672 | +{ |
| 673 | + if (DWARF_IS_NULL_LOC (loc)) |
| 674 | + return -UNW_EBADREG; |
| 675 | + |
| 676 | + /* If a code-generator were to save a value of type unw_word_t in a |
| 677 | + floating-point register, we would have to support this case. I |
| 678 | + suppose it could happen with MMX registers, but does it really |
| 679 | + happen? */ |
| 680 | + assert (!DWARF_IS_FP_LOC (loc)); |
| 681 | + |
| 682 | + if (DWARF_IS_REG_LOC (loc)) |
| 683 | + return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, |
| 684 | + 1, c->as_arg); |
| 685 | + else |
| 686 | + return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, |
| 687 | + 1, c->as_arg); |
| 688 | +} |
| 689 | + |
| 690 | +#endif /* !UNW_LOCAL_ONLY */ |
| 691 | + |
| 692 | + |
| 693 | + |
| 694 | +#define tdep_getcontext_trace unw_getcontext |
| 695 | +#define tdep_init_done UNW_OBJ(init_done) |
| 696 | +#define tdep_init UNW_OBJ(init) |
| 697 | +/* Platforms that support UNW_INFO_FORMAT_TABLE need to define |
| 698 | + tdep_search_unwind_table. */ |
| 699 | +#define tdep_search_unwind_table dwarf_search_unwind_table |
| 700 | +#define tdep_find_unwind_table dwarf_find_unwind_table |
| 701 | +#define tdep_uc_addr UNW_OBJ(uc_addr) |
| 702 | +#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) |
| 703 | +#define tdep_access_reg UNW_OBJ(access_reg) |
| 704 | +#define tdep_access_fpreg UNW_OBJ(access_fpreg) |
| 705 | +#define tdep_fetch_frame(c,ip,n) do {} while(0) |
| 706 | +#define tdep_cache_frame(c,rs) do {} while(0) |
| 707 | +#define tdep_reuse_frame(c,rs) do {} while(0) |
| 708 | +#define tdep_stash_frame(c,rs) do {} while(0) |
| 709 | +#define tdep_trace(cur,addr,n) (-UNW_ENOINFO) |
| 710 | + |
| 711 | +#ifdef UNW_LOCAL_ONLY |
| 712 | +# define tdep_find_proc_info(c,ip,n) \ |
| 713 | + dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ |
| 714 | + (c)->as_arg) |
| 715 | +# define tdep_put_unwind_info(as,pi,arg) \ |
| 716 | + dwarf_put_unwind_info((as), (pi), (arg)) |
| 717 | +#else |
| 718 | +# define tdep_find_proc_info(c,ip,n) \ |
| 719 | + (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ |
| 720 | + (c)->as_arg) |
| 721 | +# define tdep_put_unwind_info(as,pi,arg) \ |
| 722 | + (*(as)->acc.put_unwind_info)((as), (pi), (arg)) |
| 723 | +#endif |
| 724 | + |
| 725 | +#define tdep_get_as(c) ((c)->dwarf.as) |
| 726 | +#define tdep_get_as_arg(c) ((c)->dwarf.as_arg) |
| 727 | +#define tdep_get_ip(c) ((c)->dwarf.ip) |
| 728 | +#define tdep_big_endian(as) ((as)->big_endian) |
| 729 | + |
| 730 | +extern int tdep_init_done; |
| 731 | + |
| 732 | +extern void tdep_init (void); |
| 733 | +extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, |
| 734 | + unw_dyn_info_t *di, unw_proc_info_t *pi, |
| 735 | + int need_unwind_info, void *arg); |
| 736 | +extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg); |
| 737 | +extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, |
| 738 | + unsigned long *segbase, unsigned long *mapoff, |
| 739 | + char *path, size_t pathlen); |
| 740 | +extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, |
| 741 | + unw_word_t *valp, int write); |
| 742 | +extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, |
| 743 | + unw_fpreg_t *valp, int write); |
| 744 | + |
| 745 | +#endif /* AARCH64_LIBUNWIND_I_H */ |
| 746 | --- a/include/tdep/dwarf-config.h |
| 747 | +++ b/include/tdep/dwarf-config.h |
| 748 | @@ -1,7 +1,9 @@ |
| 749 | /* Provide a real file - not a symlink - as it would cause multiarch conflicts |
| 750 | when multiple different arch releases are installed simultaneously. */ |
| 751 | |
| 752 | -#if defined __arm__ |
| 753 | +#if defined __aarch64__ |
| 754 | +# include "tdep-aarch64/dwarf-config.h" |
| 755 | +#elif defined __arm__ |
| 756 | # include "tdep-arm/dwarf-config.h" |
| 757 | #elif defined __hppa__ |
| 758 | # include "tdep-hppa/dwarf-config.h" |
| 759 | --- a/include/tdep/jmpbuf.h |
| 760 | +++ b/include/tdep/jmpbuf.h |
| 761 | @@ -3,6 +3,8 @@ |
| 762 | |
| 763 | #ifndef UNW_REMOTE_ONLY |
| 764 | |
| 765 | +#if defined __aarch64__ |
| 766 | +# include "tdep-aarch64/jmpbuf.h" |
| 767 | #if defined __arm__ |
| 768 | # include "tdep-arm/jmpbuf.h" |
| 769 | #elif defined __hppa__ |
| 770 | --- a/include/tdep/libunwind_i.h.in |
| 771 | +++ b/include/tdep/libunwind_i.h.in |
| 772 | @@ -3,7 +3,9 @@ |
| 773 | |
| 774 | #ifndef UNW_REMOTE_ONLY |
| 775 | |
| 776 | -#if defined __arm__ |
| 777 | +#if defined __aarch64__ |
| 778 | +# include "tdep-aarch64/libunwind_i.h" |
| 779 | +#elif defined __arm__ |
| 780 | # include "tdep-arm/libunwind_i.h" |
| 781 | #elif defined __hppa__ |
| 782 | # include "tdep-hppa/libunwind_i.h" |
| 783 | --- a/src/Makefile.am |
| 784 | +++ b/src/Makefile.am |
| 785 | @@ -170,6 +170,28 @@ libunwind_elfxx_la_SOURCES = elfxx.c |
| 786 | noinst_LTLIBRARIES += $(LIBUNWIND_ELF) |
| 787 | libunwind_la_LIBADD += $(LIBUNWIND_ELF) |
| 788 | |
| 789 | +# The list of files that go into libunwind and libunwind-aarch64: |
| 790 | +noinst_HEADERS += aarch64/init.h aarch64/offsets.h aarch64/unwind_i.h |
| 791 | +libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common) \ |
| 792 | + aarch64/is_fpreg.c aarch64/regname.c |
| 793 | + |
| 794 | +# The list of files that go into libunwind: |
| 795 | +libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ |
| 796 | + $(libunwind_la_SOURCES_local) \ |
| 797 | + aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c \ |
| 798 | + aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c \ |
| 799 | + aarch64/Linit_local.c aarch64/Linit_remote.c \ |
| 800 | + aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c \ |
| 801 | + aarch64/Lstep.c |
| 802 | + |
| 803 | +libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ |
| 804 | + $(libunwind_la_SOURCES_generic) \ |
| 805 | + aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c \ |
| 806 | + aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c \ |
| 807 | + aarch64/Ginit_local.c aarch64/Ginit_remote.c \ |
| 808 | + aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c \ |
| 809 | + aarch64/Gstep.c |
| 810 | + |
| 811 | # The list of files that go into libunwind and libunwind-arm: |
| 812 | noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h |
| 813 | libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \ |
| 814 | @@ -418,6 +440,18 @@ if OS_FREEBSD |
| 815 | libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c |
| 816 | endif |
| 817 | |
| 818 | +if ARCH_AARCH64 |
| 819 | + lib_LTLIBRARIES += libunwind-aarch64.la |
| 820 | + libunwind_la_SOURCES = $(libunwind_la_SOURCES_aarch64) |
| 821 | + libunwind_aarch64_la_SOURCES = $(libunwind_aarch64_la_SOURCES_aarch64) |
| 822 | + libunwind_aarch64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) |
| 823 | + libunwind_aarch64_la_LIBADD = libunwind-dwarf-generic.la |
| 824 | + libunwind_aarch64_la_LIBADD += libunwind-elf64.la |
| 825 | +if !REMOTE_ONLY |
| 826 | + libunwind_aarch64_la_LIBADD += libunwind.la -lc |
| 827 | +endif |
| 828 | + libunwind_setjmp_la_SOURCES += aarch64/siglongjmp.S |
| 829 | +else |
| 830 | if ARCH_ARM |
| 831 | lib_LTLIBRARIES += libunwind-arm.la |
| 832 | libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm) |
| 833 | @@ -545,6 +579,7 @@ endif # ARCH_MIPS |
| 834 | endif # ARCH_HPPA |
| 835 | endif # ARCH_IA64 |
| 836 | endif # ARCH_ARM |
| 837 | +endif # ARCH_AARCH64 |
| 838 | |
| 839 | # libunwind-setjmp depends on libunwind-$(arch). Therefore must be added |
| 840 | # at the end. |
| 841 | @@ -567,7 +602,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include -I |
| 842 | AM_CCASFLAGS = $(AM_CPPFLAGS) |
| 843 | noinst_HEADERS += unwind/unwind-internal.h |
| 844 | |
| 845 | -EXTRA_DIST = $(libunwind_la_SOURCES_arm) \ |
| 846 | +EXTRA_DIST = $(libunwind_la_SOURCES_aarch64) \ |
| 847 | + $(libunwind_la_SOURCES_arm) \ |
| 848 | $(libunwind_la_SOURCES_hppa) \ |
| 849 | $(libunwind_la_SOURCES_ia64) \ |
| 850 | $(libunwind_la_SOURCES_mips) \ |
| 851 | @@ -579,6 +615,7 @@ EXTRA_DIST = $(libunwind_la_SOURCES_arm) |
| 852 | $(libunwind_la_SOURCES_common) \ |
| 853 | $(libunwind_la_SOURCES_local) \ |
| 854 | $(libunwind_la_SOURCES_generic) \ |
| 855 | + $(libunwind_aarch64_la_SOURCES_aarch64) \ |
| 856 | $(libunwind_arm_la_SOURCES_arm) \ |
| 857 | $(libunwind_hppa_la_SOURCES_hppa) \ |
| 858 | $(libunwind_ia64_la_SOURCES_ia64) \ |
| 859 | --- /dev/null |
| 860 | +++ b/src/aarch64/Gcreate_addr_space.c |
| 861 | @@ -0,0 +1,60 @@ |
| 862 | +/* libunwind - a platform-independent unwind library |
| 863 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 864 | + Copyright (C) 2013 Linaro Limited |
| 865 | + |
| 866 | +This file is part of libunwind. |
| 867 | + |
| 868 | +Permission is hereby granted, free of charge, to any person obtaining |
| 869 | +a copy of this software and associated documentation files (the |
| 870 | +"Software"), to deal in the Software without restriction, including |
| 871 | +without limitation the rights to use, copy, modify, merge, publish, |
| 872 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 873 | +permit persons to whom the Software is furnished to do so, subject to |
| 874 | +the following conditions: |
| 875 | + |
| 876 | +The above copyright notice and this permission notice shall be |
| 877 | +included in all copies or substantial portions of the Software. |
| 878 | + |
| 879 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 880 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 881 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 882 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 883 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 884 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 885 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 886 | + |
| 887 | +#include <string.h> |
| 888 | +#include <stdlib.h> |
| 889 | + |
| 890 | +#include "unwind_i.h" |
| 891 | + |
| 892 | +PROTECTED unw_addr_space_t |
| 893 | +unw_create_addr_space (unw_accessors_t *a, int byte_order) |
| 894 | +{ |
| 895 | +#ifdef UNW_LOCAL_ONLY |
| 896 | + return NULL; |
| 897 | +#else |
| 898 | + unw_addr_space_t as; |
| 899 | + |
| 900 | + /* AArch64 supports little-endian and big-endian. */ |
| 901 | + if (byte_order != 0 && byte_order != __LITTLE_ENDIAN |
| 902 | + && byte_order != __BIG_ENDIAN) |
| 903 | + return NULL; |
| 904 | + |
| 905 | + as = malloc (sizeof (*as)); |
| 906 | + if (!as) |
| 907 | + return NULL; |
| 908 | + |
| 909 | + memset (as, 0, sizeof (*as)); |
| 910 | + |
| 911 | + as->acc = *a; |
| 912 | + |
| 913 | + /* Default to little-endian for AArch64. */ |
| 914 | + if (byte_order == 0 || byte_order == __LITTLE_ENDIAN) |
| 915 | + as->big_endian = 0; |
| 916 | + else |
| 917 | + as->big_endian = 1; |
| 918 | + |
| 919 | + return as; |
| 920 | +#endif |
| 921 | +} |
| 922 | --- /dev/null |
| 923 | +++ b/src/aarch64/Gget_proc_info.c |
| 924 | @@ -0,0 +1,39 @@ |
| 925 | +/* libunwind - a platform-independent unwind library |
| 926 | + Copyright (C) 2008 CodeSourcery |
| 927 | + |
| 928 | +This file is part of libunwind. |
| 929 | + |
| 930 | +Permission is hereby granted, free of charge, to any person obtaining |
| 931 | +a copy of this software and associated documentation files (the |
| 932 | +"Software"), to deal in the Software without restriction, including |
| 933 | +without limitation the rights to use, copy, modify, merge, publish, |
| 934 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 935 | +permit persons to whom the Software is furnished to do so, subject to |
| 936 | +the following conditions: |
| 937 | + |
| 938 | +The above copyright notice and this permission notice shall be |
| 939 | +included in all copies or substantial portions of the Software. |
| 940 | + |
| 941 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 942 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 943 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 944 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 945 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 946 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 947 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 948 | + |
| 949 | +#include "unwind_i.h" |
| 950 | + |
| 951 | +PROTECTED int |
| 952 | +unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) |
| 953 | +{ |
| 954 | + struct cursor *c = (struct cursor *) cursor; |
| 955 | + int ret; |
| 956 | + |
| 957 | + ret = dwarf_make_proc_info (&c->dwarf); |
| 958 | + if (ret < 0) |
| 959 | + return ret; |
| 960 | + |
| 961 | + *pi = c->dwarf.pi; |
| 962 | + return 0; |
| 963 | +} |
| 964 | --- /dev/null |
| 965 | +++ b/src/aarch64/Gget_save_loc.c |
| 966 | @@ -0,0 +1,100 @@ |
| 967 | +/* libunwind - a platform-independent unwind library |
| 968 | + Copyright (C) 2008 CodeSourcery |
| 969 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 970 | + Copyright (C) 2013 Linaro Limited |
| 971 | + |
| 972 | +This file is part of libunwind. |
| 973 | + |
| 974 | +Permission is hereby granted, free of charge, to any person obtaining |
| 975 | +a copy of this software and associated documentation files (the |
| 976 | +"Software"), to deal in the Software without restriction, including |
| 977 | +without limitation the rights to use, copy, modify, merge, publish, |
| 978 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 979 | +permit persons to whom the Software is furnished to do so, subject to |
| 980 | +the following conditions: |
| 981 | + |
| 982 | +The above copyright notice and this permission notice shall be |
| 983 | +included in all copies or substantial portions of the Software. |
| 984 | + |
| 985 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 986 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 987 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 988 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 989 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 990 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 991 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 992 | + |
| 993 | +#include "unwind_i.h" |
| 994 | + |
| 995 | +PROTECTED int |
| 996 | +unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) |
| 997 | +{ |
| 998 | + struct cursor *c = (struct cursor *) cursor; |
| 999 | + dwarf_loc_t loc; |
| 1000 | + |
| 1001 | + switch (reg) |
| 1002 | + { |
| 1003 | + case UNW_AARCH64_X0: |
| 1004 | + case UNW_AARCH64_X1: |
| 1005 | + case UNW_AARCH64_X2: |
| 1006 | + case UNW_AARCH64_X3: |
| 1007 | + case UNW_AARCH64_X4: |
| 1008 | + case UNW_AARCH64_X5: |
| 1009 | + case UNW_AARCH64_X6: |
| 1010 | + case UNW_AARCH64_X7: |
| 1011 | + case UNW_AARCH64_X8: |
| 1012 | + case UNW_AARCH64_X9: |
| 1013 | + case UNW_AARCH64_X10: |
| 1014 | + case UNW_AARCH64_X11: |
| 1015 | + case UNW_AARCH64_X12: |
| 1016 | + case UNW_AARCH64_X13: |
| 1017 | + case UNW_AARCH64_X14: |
| 1018 | + case UNW_AARCH64_X15: |
| 1019 | + case UNW_AARCH64_X16: |
| 1020 | + case UNW_AARCH64_X17: |
| 1021 | + case UNW_AARCH64_X18: |
| 1022 | + case UNW_AARCH64_X19: |
| 1023 | + case UNW_AARCH64_X20: |
| 1024 | + case UNW_AARCH64_X21: |
| 1025 | + case UNW_AARCH64_X22: |
| 1026 | + case UNW_AARCH64_X23: |
| 1027 | + case UNW_AARCH64_X24: |
| 1028 | + case UNW_AARCH64_X25: |
| 1029 | + case UNW_AARCH64_X26: |
| 1030 | + case UNW_AARCH64_X27: |
| 1031 | + case UNW_AARCH64_X28: |
| 1032 | + case UNW_AARCH64_X29: |
| 1033 | + case UNW_AARCH64_X30: |
| 1034 | + case UNW_AARCH64_SP: |
| 1035 | + case UNW_AARCH64_PC: |
| 1036 | + case UNW_AARCH64_PSTATE: |
| 1037 | + loc = c->dwarf.loc[reg]; |
| 1038 | + break; |
| 1039 | + |
| 1040 | + default: |
| 1041 | + loc = DWARF_NULL_LOC; /* default to "not saved" */ |
| 1042 | + break; |
| 1043 | + } |
| 1044 | + |
| 1045 | + memset (sloc, 0, sizeof (*sloc)); |
| 1046 | + |
| 1047 | + if (DWARF_IS_NULL_LOC (loc)) |
| 1048 | + { |
| 1049 | + sloc->type = UNW_SLT_NONE; |
| 1050 | + return 0; |
| 1051 | + } |
| 1052 | + |
| 1053 | +#if !defined(UNW_LOCAL_ONLY) |
| 1054 | + if (DWARF_IS_REG_LOC (loc)) |
| 1055 | + { |
| 1056 | + sloc->type = UNW_SLT_REG; |
| 1057 | + sloc->u.regnum = DWARF_GET_LOC (loc); |
| 1058 | + } |
| 1059 | + else |
| 1060 | +#endif |
| 1061 | + { |
| 1062 | + sloc->type = UNW_SLT_MEMORY; |
| 1063 | + sloc->u.addr = DWARF_GET_LOC (loc); |
| 1064 | + } |
| 1065 | + return 0; |
| 1066 | +} |
| 1067 | --- /dev/null |
| 1068 | +++ b/src/aarch64/Gglobal.c |
| 1069 | @@ -0,0 +1,57 @@ |
| 1070 | +/* libunwind - a platform-independent unwind library |
| 1071 | + Copyright (C) 2008 CodeSourcery |
| 1072 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 1073 | + Copyright (C) 2013 Linaro Limited |
| 1074 | + |
| 1075 | +This file is part of libunwind. |
| 1076 | + |
| 1077 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1078 | +a copy of this software and associated documentation files (the |
| 1079 | +"Software"), to deal in the Software without restriction, including |
| 1080 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1081 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1082 | +permit persons to whom the Software is furnished to do so, subject to |
| 1083 | +the following conditions: |
| 1084 | + |
| 1085 | +The above copyright notice and this permission notice shall be |
| 1086 | +included in all copies or substantial portions of the Software. |
| 1087 | + |
| 1088 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1089 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1090 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1091 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1092 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1093 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1094 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1095 | + |
| 1096 | +#include "unwind_i.h" |
| 1097 | +#include "dwarf_i.h" |
| 1098 | + |
| 1099 | +HIDDEN define_lock (aarch64_lock); |
| 1100 | +HIDDEN int tdep_init_done; |
| 1101 | + |
| 1102 | +HIDDEN void |
| 1103 | +tdep_init (void) |
| 1104 | +{ |
| 1105 | + intrmask_t saved_mask; |
| 1106 | + |
| 1107 | + sigfillset (&unwi_full_mask); |
| 1108 | + |
| 1109 | + lock_acquire (&aarch64_lock, saved_mask); |
| 1110 | + { |
| 1111 | + if (tdep_init_done) |
| 1112 | + /* another thread else beat us to it... */ |
| 1113 | + goto out; |
| 1114 | + |
| 1115 | + mi_init (); |
| 1116 | + |
| 1117 | + dwarf_init (); |
| 1118 | + |
| 1119 | +#ifndef UNW_REMOTE_ONLY |
| 1120 | + aarch64_local_addr_space_init (); |
| 1121 | +#endif |
| 1122 | + tdep_init_done = 1; /* signal that we're initialized... */ |
| 1123 | + } |
| 1124 | + out: |
| 1125 | + lock_release (&aarch64_lock, saved_mask); |
| 1126 | +} |
| 1127 | --- /dev/null |
| 1128 | +++ b/src/aarch64/Ginit.c |
| 1129 | @@ -0,0 +1,187 @@ |
| 1130 | +/* libunwind - a platform-independent unwind library |
| 1131 | + Copyright (C) 2008 CodeSourcery |
| 1132 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 1133 | + Copyright (C) 2013 Linaro Limited |
| 1134 | + |
| 1135 | +This file is part of libunwind. |
| 1136 | + |
| 1137 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1138 | +a copy of this software and associated documentation files (the |
| 1139 | +"Software"), to deal in the Software without restriction, including |
| 1140 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1141 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1142 | +permit persons to whom the Software is furnished to do so, subject to |
| 1143 | +the following conditions: |
| 1144 | + |
| 1145 | +The above copyright notice and this permission notice shall be |
| 1146 | +included in all copies or substantial portions of the Software. |
| 1147 | + |
| 1148 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1149 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1150 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1151 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1152 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1153 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1154 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1155 | + |
| 1156 | +#include <stdlib.h> |
| 1157 | +#include <string.h> |
| 1158 | + |
| 1159 | +#include "unwind_i.h" |
| 1160 | + |
| 1161 | +#ifdef UNW_REMOTE_ONLY |
| 1162 | + |
| 1163 | +/* unw_local_addr_space is a NULL pointer in this case. */ |
| 1164 | +PROTECTED unw_addr_space_t unw_local_addr_space; |
| 1165 | + |
| 1166 | +#else /* !UNW_REMOTE_ONLY */ |
| 1167 | + |
| 1168 | +static struct unw_addr_space local_addr_space; |
| 1169 | + |
| 1170 | +PROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space; |
| 1171 | + |
| 1172 | +static inline void * |
| 1173 | +uc_addr (ucontext_t *uc, int reg) |
| 1174 | +{ |
| 1175 | + if (reg >= UNW_AARCH64_X0 && reg <= UNW_AARCH64_V31) |
| 1176 | + return &uc->uc_mcontext.regs[reg]; |
| 1177 | + else |
| 1178 | + return NULL; |
| 1179 | +} |
| 1180 | + |
| 1181 | +# ifdef UNW_LOCAL_ONLY |
| 1182 | + |
| 1183 | +HIDDEN void * |
| 1184 | +tdep_uc_addr (ucontext_t *uc, int reg) |
| 1185 | +{ |
| 1186 | + return uc_addr (uc, reg); |
| 1187 | +} |
| 1188 | + |
| 1189 | +# endif /* UNW_LOCAL_ONLY */ |
| 1190 | + |
| 1191 | +HIDDEN unw_dyn_info_list_t _U_dyn_info_list; |
| 1192 | + |
| 1193 | +/* XXX fix me: there is currently no way to locate the dyn-info list |
| 1194 | + by a remote unwinder. On ia64, this is done via a special |
| 1195 | + unwind-table entry. Perhaps something similar can be done with |
| 1196 | + DWARF2 unwind info. */ |
| 1197 | + |
| 1198 | +static void |
| 1199 | +put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) |
| 1200 | +{ |
| 1201 | + /* it's a no-op */ |
| 1202 | +} |
| 1203 | + |
| 1204 | +static int |
| 1205 | +get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, |
| 1206 | + void *arg) |
| 1207 | +{ |
| 1208 | + *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; |
| 1209 | + return 0; |
| 1210 | +} |
| 1211 | + |
| 1212 | +static int |
| 1213 | +access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, |
| 1214 | + void *arg) |
| 1215 | +{ |
| 1216 | + if (write) |
| 1217 | + { |
| 1218 | + Debug (16, "mem[%lx] <- %lx\n", addr, *val); |
| 1219 | + *(unw_word_t *) addr = *val; |
| 1220 | + } |
| 1221 | + else |
| 1222 | + { |
| 1223 | + *val = *(unw_word_t *) addr; |
| 1224 | + Debug (16, "mem[%lx] -> %lx\n", addr, *val); |
| 1225 | + } |
| 1226 | + return 0; |
| 1227 | +} |
| 1228 | + |
| 1229 | +static int |
| 1230 | +access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, |
| 1231 | + void *arg) |
| 1232 | +{ |
| 1233 | + unw_word_t *addr; |
| 1234 | + ucontext_t *uc = arg; |
| 1235 | + |
| 1236 | + if (unw_is_fpreg (reg)) |
| 1237 | + goto badreg; |
| 1238 | + |
| 1239 | + if (!(addr = uc_addr (uc, reg))) |
| 1240 | + goto badreg; |
| 1241 | + |
| 1242 | + if (write) |
| 1243 | + { |
| 1244 | + *(unw_word_t *) addr = *val; |
| 1245 | + Debug (12, "%s <- %lx\n", unw_regname (reg), *val); |
| 1246 | + } |
| 1247 | + else |
| 1248 | + { |
| 1249 | + *val = *(unw_word_t *) addr; |
| 1250 | + Debug (12, "%s -> %lx\n", unw_regname (reg), *val); |
| 1251 | + } |
| 1252 | + return 0; |
| 1253 | + |
| 1254 | + badreg: |
| 1255 | + Debug (1, "bad register number %u\n", reg); |
| 1256 | + return -UNW_EBADREG; |
| 1257 | +} |
| 1258 | + |
| 1259 | +static int |
| 1260 | +access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, |
| 1261 | + int write, void *arg) |
| 1262 | +{ |
| 1263 | + ucontext_t *uc = arg; |
| 1264 | + unw_fpreg_t *addr; |
| 1265 | + |
| 1266 | + if (!unw_is_fpreg (reg)) |
| 1267 | + goto badreg; |
| 1268 | + |
| 1269 | + if (!(addr = uc_addr (uc, reg))) |
| 1270 | + goto badreg; |
| 1271 | + |
| 1272 | + if (write) |
| 1273 | + { |
| 1274 | + Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), |
| 1275 | + ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); |
| 1276 | + *(unw_fpreg_t *) addr = *val; |
| 1277 | + } |
| 1278 | + else |
| 1279 | + { |
| 1280 | + *val = *(unw_fpreg_t *) addr; |
| 1281 | + Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), |
| 1282 | + ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); |
| 1283 | + } |
| 1284 | + return 0; |
| 1285 | + |
| 1286 | + badreg: |
| 1287 | + Debug (1, "bad register number %u\n", reg); |
| 1288 | + /* attempt to access a non-preserved register */ |
| 1289 | + return -UNW_EBADREG; |
| 1290 | +} |
| 1291 | + |
| 1292 | +static int |
| 1293 | +get_static_proc_name (unw_addr_space_t as, unw_word_t ip, |
| 1294 | + char *buf, size_t buf_len, unw_word_t *offp, |
| 1295 | + void *arg) |
| 1296 | +{ |
| 1297 | + return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); |
| 1298 | +} |
| 1299 | + |
| 1300 | +HIDDEN void |
| 1301 | +aarch64_local_addr_space_init (void) |
| 1302 | +{ |
| 1303 | + memset (&local_addr_space, 0, sizeof (local_addr_space)); |
| 1304 | + local_addr_space.caching_policy = UNW_CACHE_GLOBAL; |
| 1305 | + local_addr_space.acc.find_proc_info = dwarf_find_proc_info; |
| 1306 | + local_addr_space.acc.put_unwind_info = put_unwind_info; |
| 1307 | + local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; |
| 1308 | + local_addr_space.acc.access_mem = access_mem; |
| 1309 | + local_addr_space.acc.access_reg = access_reg; |
| 1310 | + local_addr_space.acc.access_fpreg = access_fpreg; |
| 1311 | + local_addr_space.acc.resume = aarch64_local_resume; |
| 1312 | + local_addr_space.acc.get_proc_name = get_static_proc_name; |
| 1313 | + unw_flush_cache (&local_addr_space, 0, 0); |
| 1314 | +} |
| 1315 | + |
| 1316 | +#endif /* !UNW_REMOTE_ONLY */ |
| 1317 | --- /dev/null |
| 1318 | +++ b/src/aarch64/Ginit_local.c |
| 1319 | @@ -0,0 +1,55 @@ |
| 1320 | +/* libunwind - a platform-independent unwind library |
| 1321 | + Copyright (C) 2008 CodeSourcery |
| 1322 | + Copyright (C) 2011-2013 Linaro Limited |
| 1323 | + |
| 1324 | +This file is part of libunwind. |
| 1325 | + |
| 1326 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1327 | +a copy of this software and associated documentation files (the |
| 1328 | +"Software"), to deal in the Software without restriction, including |
| 1329 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1330 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1331 | +permit persons to whom the Software is furnished to do so, subject to |
| 1332 | +the following conditions: |
| 1333 | + |
| 1334 | +The above copyright notice and this permission notice shall be |
| 1335 | +included in all copies or substantial portions of the Software. |
| 1336 | + |
| 1337 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1338 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1339 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1340 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1341 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1342 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1343 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1344 | + |
| 1345 | +#include "unwind_i.h" |
| 1346 | +#include "init.h" |
| 1347 | + |
| 1348 | +#ifdef UNW_REMOTE_ONLY |
| 1349 | + |
| 1350 | +PROTECTED int |
| 1351 | +unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) |
| 1352 | +{ |
| 1353 | + return -UNW_EINVAL; |
| 1354 | +} |
| 1355 | + |
| 1356 | +#else /* !UNW_REMOTE_ONLY */ |
| 1357 | + |
| 1358 | +PROTECTED int |
| 1359 | +unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) |
| 1360 | +{ |
| 1361 | + struct cursor *c = (struct cursor *) cursor; |
| 1362 | + |
| 1363 | + if (!tdep_init_done) |
| 1364 | + tdep_init (); |
| 1365 | + |
| 1366 | + Debug (1, "(cursor=%p)\n", c); |
| 1367 | + |
| 1368 | + c->dwarf.as = unw_local_addr_space; |
| 1369 | + c->dwarf.as_arg = uc; |
| 1370 | + |
| 1371 | + return common_init (c, 1); |
| 1372 | +} |
| 1373 | + |
| 1374 | +#endif /* !UNW_REMOTE_ONLY */ |
| 1375 | --- /dev/null |
| 1376 | +++ b/src/aarch64/Ginit_remote.c |
| 1377 | @@ -0,0 +1,45 @@ |
| 1378 | +/* libunwind - a platform-independent unwind library |
| 1379 | + Copyright (C) 2008 CodeSourcery |
| 1380 | + |
| 1381 | +This file is part of libunwind. |
| 1382 | + |
| 1383 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1384 | +a copy of this software and associated documentation files (the |
| 1385 | +"Software"), to deal in the Software without restriction, including |
| 1386 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1387 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1388 | +permit persons to whom the Software is furnished to do so, subject to |
| 1389 | +the following conditions: |
| 1390 | + |
| 1391 | +The above copyright notice and this permission notice shall be |
| 1392 | +included in all copies or substantial portions of the Software. |
| 1393 | + |
| 1394 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1395 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1396 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1397 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1398 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1399 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1400 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1401 | + |
| 1402 | +#include "init.h" |
| 1403 | +#include "unwind_i.h" |
| 1404 | + |
| 1405 | +PROTECTED int |
| 1406 | +unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) |
| 1407 | +{ |
| 1408 | +#ifdef UNW_LOCAL_ONLY |
| 1409 | + return -UNW_EINVAL; |
| 1410 | +#else /* !UNW_LOCAL_ONLY */ |
| 1411 | + struct cursor *c = (struct cursor *) cursor; |
| 1412 | + |
| 1413 | + if (!tdep_init_done) |
| 1414 | + tdep_init (); |
| 1415 | + |
| 1416 | + Debug (1, "(cursor=%p)\n", c); |
| 1417 | + |
| 1418 | + c->dwarf.as = as; |
| 1419 | + c->dwarf.as_arg = as_arg; |
| 1420 | + return common_init (c, 0); |
| 1421 | +#endif /* !UNW_LOCAL_ONLY */ |
| 1422 | +} |
| 1423 | --- /dev/null |
| 1424 | +++ b/src/aarch64/Gis_signal_frame.c |
| 1425 | @@ -0,0 +1,64 @@ |
| 1426 | +/* libunwind - a platform-independent unwind library |
| 1427 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 1428 | + Copyright (C) 2013 Linaro Limited |
| 1429 | + |
| 1430 | +This file is part of libunwind. |
| 1431 | + |
| 1432 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1433 | +a copy of this software and associated documentation files (the |
| 1434 | +"Software"), to deal in the Software without restriction, including |
| 1435 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1436 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1437 | +permit persons to whom the Software is furnished to do so, subject to |
| 1438 | +the following conditions: |
| 1439 | + |
| 1440 | +The above copyright notice and this permission notice shall be |
| 1441 | +included in all copies or substantial portions of the Software. |
| 1442 | + |
| 1443 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1444 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1445 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1446 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1447 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1448 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1449 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1450 | + |
| 1451 | +#include "unwind_i.h" |
| 1452 | + |
| 1453 | +/* The restorer stub will always have the form: |
| 1454 | + |
| 1455 | + d2801168 movz x8, #0x8b |
| 1456 | + d4000001 svc #0x0 |
| 1457 | +*/ |
| 1458 | + |
| 1459 | +PROTECTED int |
| 1460 | +unw_is_signal_frame (unw_cursor_t *cursor) |
| 1461 | +{ |
| 1462 | +#ifdef __linux__ |
| 1463 | + struct cursor *c = (struct cursor *) cursor; |
| 1464 | + unw_word_t w0, ip; |
| 1465 | + unw_addr_space_t as; |
| 1466 | + unw_accessors_t *a; |
| 1467 | + void *arg; |
| 1468 | + int ret; |
| 1469 | + |
| 1470 | + as = c->dwarf.as; |
| 1471 | + a = unw_get_accessors (as); |
| 1472 | + arg = c->dwarf.as_arg; |
| 1473 | + |
| 1474 | + ip = c->dwarf.ip; |
| 1475 | + |
| 1476 | + ret = (*a->access_mem) (as, ip, &w0, 0, arg); |
| 1477 | + if (ret < 0) |
| 1478 | + return ret; |
| 1479 | + |
| 1480 | + /* FIXME: distinguish 32bit insn vs 64bit registers. */ |
| 1481 | + if (w0 != 0xd4000001d2801168) |
| 1482 | + return 0; |
| 1483 | + |
| 1484 | + return 1; |
| 1485 | + |
| 1486 | +#else |
| 1487 | + return -UNW_ENOINFO; |
| 1488 | +#endif |
| 1489 | +} |
| 1490 | --- /dev/null |
| 1491 | +++ b/src/aarch64/Gregs.c |
| 1492 | @@ -0,0 +1,113 @@ |
| 1493 | +/* libunwind - a platform-independent unwind library |
| 1494 | + Copyright (C) 2008 CodeSourcery |
| 1495 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 1496 | + Copyright (C) 2013 Linaro Limited |
| 1497 | + |
| 1498 | +This file is part of libunwind. |
| 1499 | + |
| 1500 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1501 | +a copy of this software and associated documentation files (the |
| 1502 | +"Software"), to deal in the Software without restriction, including |
| 1503 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1504 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1505 | +permit persons to whom the Software is furnished to do so, subject to |
| 1506 | +the following conditions: |
| 1507 | + |
| 1508 | +The above copyright notice and this permission notice shall be |
| 1509 | +included in all copies or substantial portions of the Software. |
| 1510 | + |
| 1511 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1512 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1513 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1514 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1515 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1516 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1517 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1518 | + |
| 1519 | +#include "unwind_i.h" |
| 1520 | + |
| 1521 | +HIDDEN int |
| 1522 | +tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, |
| 1523 | + int write) |
| 1524 | +{ |
| 1525 | + dwarf_loc_t loc = DWARF_NULL_LOC; |
| 1526 | + unsigned int mask; |
| 1527 | + |
| 1528 | + switch (reg) |
| 1529 | + { |
| 1530 | + case UNW_AARCH64_X0: |
| 1531 | + case UNW_AARCH64_X1: |
| 1532 | + case UNW_AARCH64_X2: |
| 1533 | + case UNW_AARCH64_X3: |
| 1534 | + mask = 1 << reg; |
| 1535 | + if (write) |
| 1536 | + { |
| 1537 | + c->dwarf.eh_args[reg] = *valp; |
| 1538 | + c->dwarf.eh_valid_mask |= mask; |
| 1539 | + return 0; |
| 1540 | + } |
| 1541 | + else if ((c->dwarf.eh_valid_mask & mask) != 0) |
| 1542 | + { |
| 1543 | + *valp = c->dwarf.eh_args[reg]; |
| 1544 | + return 0; |
| 1545 | + } |
| 1546 | + else |
| 1547 | + loc = c->dwarf.loc[reg]; |
| 1548 | + break; |
| 1549 | + |
| 1550 | + case UNW_AARCH64_X4: |
| 1551 | + case UNW_AARCH64_X5: |
| 1552 | + case UNW_AARCH64_X6: |
| 1553 | + case UNW_AARCH64_X7: |
| 1554 | + case UNW_AARCH64_X8: |
| 1555 | + case UNW_AARCH64_X9: |
| 1556 | + case UNW_AARCH64_X10: |
| 1557 | + case UNW_AARCH64_X11: |
| 1558 | + case UNW_AARCH64_X12: |
| 1559 | + case UNW_AARCH64_X13: |
| 1560 | + case UNW_AARCH64_X14: |
| 1561 | + case UNW_AARCH64_X15: |
| 1562 | + case UNW_AARCH64_X16: |
| 1563 | + case UNW_AARCH64_X17: |
| 1564 | + case UNW_AARCH64_X18: |
| 1565 | + case UNW_AARCH64_X19: |
| 1566 | + case UNW_AARCH64_X20: |
| 1567 | + case UNW_AARCH64_X21: |
| 1568 | + case UNW_AARCH64_X22: |
| 1569 | + case UNW_AARCH64_X23: |
| 1570 | + case UNW_AARCH64_X24: |
| 1571 | + case UNW_AARCH64_X25: |
| 1572 | + case UNW_AARCH64_X26: |
| 1573 | + case UNW_AARCH64_X27: |
| 1574 | + case UNW_AARCH64_X28: |
| 1575 | + case UNW_AARCH64_X29: |
| 1576 | + case UNW_AARCH64_X30: |
| 1577 | + case UNW_AARCH64_PC: |
| 1578 | + case UNW_AARCH64_PSTATE: |
| 1579 | + loc = c->dwarf.loc[reg]; |
| 1580 | + break; |
| 1581 | + |
| 1582 | + case UNW_AARCH64_SP: |
| 1583 | + if (write) |
| 1584 | + return -UNW_EREADONLYREG; |
| 1585 | + *valp = c->dwarf.cfa; |
| 1586 | + return 0; |
| 1587 | + |
| 1588 | + default: |
| 1589 | + Debug (1, "bad register number %u\n", reg); |
| 1590 | + return -UNW_EBADREG; |
| 1591 | + } |
| 1592 | + |
| 1593 | + if (write) |
| 1594 | + return dwarf_put (&c->dwarf, loc, *valp); |
| 1595 | + else |
| 1596 | + return dwarf_get (&c->dwarf, loc, valp); |
| 1597 | +} |
| 1598 | + |
| 1599 | +HIDDEN int |
| 1600 | +tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, |
| 1601 | + int write) |
| 1602 | +{ |
| 1603 | + Debug (1, "bad register number %u\n", reg); |
| 1604 | + return -UNW_EBADREG; |
| 1605 | +} |
| 1606 | --- /dev/null |
| 1607 | +++ b/src/aarch64/Gresume.c |
| 1608 | @@ -0,0 +1,177 @@ |
| 1609 | +/* libunwind - a platform-independent unwind library |
| 1610 | + Copyright (C) 2008 CodeSourcery |
| 1611 | + Copyright (C) 2011-2013 Linaro Limited |
| 1612 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 1613 | + |
| 1614 | +This file is part of libunwind. |
| 1615 | + |
| 1616 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1617 | +a copy of this software and associated documentation files (the |
| 1618 | +"Software"), to deal in the Software without restriction, including |
| 1619 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1620 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1621 | +permit persons to whom the Software is furnished to do so, subject to |
| 1622 | +the following conditions: |
| 1623 | + |
| 1624 | +The above copyright notice and this permission notice shall be |
| 1625 | +included in all copies or substantial portions of the Software. |
| 1626 | + |
| 1627 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1628 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1629 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1630 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1631 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1632 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1633 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1634 | + |
| 1635 | +#include "unwind_i.h" |
| 1636 | +#include "offsets.h" |
| 1637 | + |
| 1638 | +#ifndef UNW_REMOTE_ONLY |
| 1639 | + |
| 1640 | +HIDDEN inline int |
| 1641 | +aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) |
| 1642 | +{ |
| 1643 | +#ifdef __linux__ |
| 1644 | + struct cursor *c = (struct cursor *) cursor; |
| 1645 | + unw_tdep_context_t *uc = c->dwarf.as_arg; |
| 1646 | + |
| 1647 | + if (c->sigcontext_format == AARCH64_SCF_NONE) |
| 1648 | + { |
| 1649 | + /* Since there are no signals involved here we restore the non scratch |
| 1650 | + registers only. */ |
| 1651 | + unsigned long regs[11]; |
| 1652 | + regs[0] = uc->uc_mcontext.regs[19]; |
| 1653 | + regs[1] = uc->uc_mcontext.regs[20]; |
| 1654 | + regs[2] = uc->uc_mcontext.regs[21]; |
| 1655 | + regs[3] = uc->uc_mcontext.regs[22]; |
| 1656 | + regs[4] = uc->uc_mcontext.regs[23]; |
| 1657 | + regs[5] = uc->uc_mcontext.regs[24]; |
| 1658 | + regs[6] = uc->uc_mcontext.regs[25]; |
| 1659 | + regs[7] = uc->uc_mcontext.regs[26]; |
| 1660 | + regs[8] = uc->uc_mcontext.regs[27]; |
| 1661 | + regs[9] = uc->uc_mcontext.regs[28]; |
| 1662 | + regs[10] = uc->uc_mcontext.regs[30]; /* LR */ |
| 1663 | + unsigned long sp = uc->uc_mcontext.sp; |
| 1664 | + |
| 1665 | + struct regs_overlay { |
| 1666 | + char x[sizeof(regs)]; |
| 1667 | + }; |
| 1668 | + |
| 1669 | + asm volatile ( |
| 1670 | + "ldp x19, x20, [%0]\n" |
| 1671 | + "ldp x21, x22, [%0,16]\n" |
| 1672 | + "ldp x23, x24, [%0,32]\n" |
| 1673 | + "ldp x25, x26, [%0,48]\n" |
| 1674 | + "ldp x27, x28, [%0,64]\n" |
| 1675 | + "ldr x30, [%0,80]\n" |
| 1676 | + "mov sp, %1\n" |
| 1677 | + "ret \n" |
| 1678 | + : |
| 1679 | + : "r" (regs), |
| 1680 | + "r" (sp), |
| 1681 | + "m" (*(struct regs_overlay *)regs) |
| 1682 | + ); |
| 1683 | + } |
| 1684 | + else |
| 1685 | + { |
| 1686 | + struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; |
| 1687 | + |
| 1688 | + if (c->dwarf.eh_valid_mask & 0x1) sc->regs[0] = c->dwarf.eh_args[0]; |
| 1689 | + if (c->dwarf.eh_valid_mask & 0x2) sc->regs[1] = c->dwarf.eh_args[1]; |
| 1690 | + if (c->dwarf.eh_valid_mask & 0x4) sc->regs[2] = c->dwarf.eh_args[2]; |
| 1691 | + if (c->dwarf.eh_valid_mask & 0x8) sc->regs[3] = c->dwarf.eh_args[3]; |
| 1692 | + |
| 1693 | + sc->regs[4] = uc->uc_mcontext.regs[4]; |
| 1694 | + sc->regs[5] = uc->uc_mcontext.regs[5]; |
| 1695 | + sc->regs[6] = uc->uc_mcontext.regs[6]; |
| 1696 | + sc->regs[7] = uc->uc_mcontext.regs[7]; |
| 1697 | + sc->regs[8] = uc->uc_mcontext.regs[8]; |
| 1698 | + sc->regs[9] = uc->uc_mcontext.regs[9]; |
| 1699 | + sc->regs[10] = uc->uc_mcontext.regs[10]; |
| 1700 | + sc->regs[11] = uc->uc_mcontext.regs[11]; |
| 1701 | + sc->regs[12] = uc->uc_mcontext.regs[12]; |
| 1702 | + sc->regs[13] = uc->uc_mcontext.regs[13]; |
| 1703 | + sc->regs[14] = uc->uc_mcontext.regs[14]; |
| 1704 | + sc->regs[15] = uc->uc_mcontext.regs[15]; |
| 1705 | + sc->regs[16] = uc->uc_mcontext.regs[16]; |
| 1706 | + sc->regs[17] = uc->uc_mcontext.regs[17]; |
| 1707 | + sc->regs[18] = uc->uc_mcontext.regs[18]; |
| 1708 | + sc->regs[19] = uc->uc_mcontext.regs[19]; |
| 1709 | + sc->regs[20] = uc->uc_mcontext.regs[20]; |
| 1710 | + sc->regs[21] = uc->uc_mcontext.regs[21]; |
| 1711 | + sc->regs[22] = uc->uc_mcontext.regs[22]; |
| 1712 | + sc->regs[23] = uc->uc_mcontext.regs[23]; |
| 1713 | + sc->regs[24] = uc->uc_mcontext.regs[24]; |
| 1714 | + sc->regs[25] = uc->uc_mcontext.regs[25]; |
| 1715 | + sc->regs[26] = uc->uc_mcontext.regs[26]; |
| 1716 | + sc->regs[27] = uc->uc_mcontext.regs[27]; |
| 1717 | + sc->regs[28] = uc->uc_mcontext.regs[28]; |
| 1718 | + sc->regs[29] = uc->uc_mcontext.regs[29]; |
| 1719 | + sc->regs[30] = uc->uc_mcontext.regs[30]; |
| 1720 | + sc->sp = uc->uc_mcontext.sp; |
| 1721 | + sc->pc = uc->uc_mcontext.pc; |
| 1722 | + sc->pstate = uc->uc_mcontext.pstate; |
| 1723 | + |
| 1724 | + asm volatile ( |
| 1725 | + "mov sp, %0\n" |
| 1726 | + "ret %1\n" |
| 1727 | + : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) |
| 1728 | + ); |
| 1729 | + } |
| 1730 | + unreachable(); |
| 1731 | +#else |
| 1732 | + printf ("%s: implement me\n", __FUNCTION__); |
| 1733 | +#endif |
| 1734 | + return -UNW_EINVAL; |
| 1735 | +} |
| 1736 | + |
| 1737 | +#endif /* !UNW_REMOTE_ONLY */ |
| 1738 | + |
| 1739 | +static inline void |
| 1740 | +establish_machine_state (struct cursor *c) |
| 1741 | +{ |
| 1742 | + unw_addr_space_t as = c->dwarf.as; |
| 1743 | + void *arg = c->dwarf.as_arg; |
| 1744 | + unw_fpreg_t fpval; |
| 1745 | + unw_word_t val; |
| 1746 | + int reg; |
| 1747 | + |
| 1748 | + Debug (8, "copying out cursor state\n"); |
| 1749 | + |
| 1750 | + for (reg = 0; reg <= UNW_AARCH64_PSTATE; ++reg) |
| 1751 | + { |
| 1752 | + Debug (16, "copying %s %d\n", unw_regname (reg), reg); |
| 1753 | + if (unw_is_fpreg (reg)) |
| 1754 | + { |
| 1755 | + if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) |
| 1756 | + as->acc.access_fpreg (as, reg, &fpval, 1, arg); |
| 1757 | + } |
| 1758 | + else |
| 1759 | + { |
| 1760 | + if (tdep_access_reg (c, reg, &val, 0) >= 0) |
| 1761 | + as->acc.access_reg (as, reg, &val, 1, arg); |
| 1762 | + } |
| 1763 | + } |
| 1764 | +} |
| 1765 | + |
| 1766 | +PROTECTED int |
| 1767 | +unw_resume (unw_cursor_t *cursor) |
| 1768 | +{ |
| 1769 | + struct cursor *c = (struct cursor *) cursor; |
| 1770 | + |
| 1771 | + Debug (1, "(cursor=%p)\n", c); |
| 1772 | + |
| 1773 | + if (!c->dwarf.ip) |
| 1774 | + { |
| 1775 | + /* This can happen easily when the frame-chain gets truncated |
| 1776 | + due to bad or missing unwind-info. */ |
| 1777 | + Debug (1, "refusing to resume execution at address 0\n"); |
| 1778 | + return -UNW_EINVAL; |
| 1779 | + } |
| 1780 | + |
| 1781 | + establish_machine_state (c); |
| 1782 | + |
| 1783 | + return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, |
| 1784 | + c->dwarf.as_arg); |
| 1785 | +} |
| 1786 | --- /dev/null |
| 1787 | +++ b/src/aarch64/Gstep.c |
| 1788 | @@ -0,0 +1,129 @@ |
| 1789 | +/* libunwind - a platform-independent unwind library |
| 1790 | + Copyright (C) 2008 CodeSourcery |
| 1791 | + Copyright (C) 2011-2013 Linaro Limited |
| 1792 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 1793 | + |
| 1794 | +This file is part of libunwind. |
| 1795 | + |
| 1796 | +Permission is hereby granted, free of charge, to any person obtaining |
| 1797 | +a copy of this software and associated documentation files (the |
| 1798 | +"Software"), to deal in the Software without restriction, including |
| 1799 | +without limitation the rights to use, copy, modify, merge, publish, |
| 1800 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 1801 | +permit persons to whom the Software is furnished to do so, subject to |
| 1802 | +the following conditions: |
| 1803 | + |
| 1804 | +The above copyright notice and this permission notice shall be |
| 1805 | +included in all copies or substantial portions of the Software. |
| 1806 | + |
| 1807 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 1808 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 1809 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 1810 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 1811 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 1812 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 1813 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 1814 | + |
| 1815 | +#include "unwind_i.h" |
| 1816 | +#include "offsets.h" |
| 1817 | + |
| 1818 | +PROTECTED int |
| 1819 | +unw_handle_signal_frame (unw_cursor_t *cursor) |
| 1820 | +{ |
| 1821 | + struct cursor *c = (struct cursor *) cursor; |
| 1822 | + int ret; |
| 1823 | + unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; |
| 1824 | + struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); |
| 1825 | + |
| 1826 | + if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) |
| 1827 | + return -UNW_EUNSPEC; |
| 1828 | + |
| 1829 | + ret = unw_is_signal_frame (cursor); |
| 1830 | + Debug(1, "unw_is_signal_frame()=%d\n", ret); |
| 1831 | + |
| 1832 | + /* Save the SP and PC to be able to return execution at this point |
| 1833 | + later in time (unw_resume). */ |
| 1834 | + c->sigcontext_sp = c->dwarf.cfa; |
| 1835 | + c->sigcontext_pc = c->dwarf.ip; |
| 1836 | + |
| 1837 | + if (ret) |
| 1838 | + { |
| 1839 | + c->sigcontext_format = AARCH64_SCF_LINUX_RT_SIGFRAME; |
| 1840 | + sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; |
| 1841 | + } |
| 1842 | + else |
| 1843 | + return -UNW_EUNSPEC; |
| 1844 | + |
| 1845 | + c->sigcontext_addr = sc_addr; |
| 1846 | + |
| 1847 | + /* Update the dwarf cursor. |
| 1848 | + Set the location of the registers to the corresponding addresses of the |
| 1849 | + uc_mcontext / sigcontext structure contents. */ |
| 1850 | + c->dwarf.loc[UNW_AARCH64_X0] = DWARF_LOC (sc_addr + LINUX_SC_X0_OFF, 0); |
| 1851 | + c->dwarf.loc[UNW_AARCH64_X1] = DWARF_LOC (sc_addr + LINUX_SC_X1_OFF, 0); |
| 1852 | + c->dwarf.loc[UNW_AARCH64_X2] = DWARF_LOC (sc_addr + LINUX_SC_X2_OFF, 0); |
| 1853 | + c->dwarf.loc[UNW_AARCH64_X3] = DWARF_LOC (sc_addr + LINUX_SC_X3_OFF, 0); |
| 1854 | + c->dwarf.loc[UNW_AARCH64_X4] = DWARF_LOC (sc_addr + LINUX_SC_X4_OFF, 0); |
| 1855 | + c->dwarf.loc[UNW_AARCH64_X5] = DWARF_LOC (sc_addr + LINUX_SC_X5_OFF, 0); |
| 1856 | + c->dwarf.loc[UNW_AARCH64_X6] = DWARF_LOC (sc_addr + LINUX_SC_X6_OFF, 0); |
| 1857 | + c->dwarf.loc[UNW_AARCH64_X7] = DWARF_LOC (sc_addr + LINUX_SC_X7_OFF, 0); |
| 1858 | + c->dwarf.loc[UNW_AARCH64_X8] = DWARF_LOC (sc_addr + LINUX_SC_X8_OFF, 0); |
| 1859 | + c->dwarf.loc[UNW_AARCH64_X9] = DWARF_LOC (sc_addr + LINUX_SC_X9_OFF, 0); |
| 1860 | + c->dwarf.loc[UNW_AARCH64_X10] = DWARF_LOC (sc_addr + LINUX_SC_X10_OFF, 0); |
| 1861 | + c->dwarf.loc[UNW_AARCH64_X11] = DWARF_LOC (sc_addr + LINUX_SC_X11_OFF, 0); |
| 1862 | + c->dwarf.loc[UNW_AARCH64_X12] = DWARF_LOC (sc_addr + LINUX_SC_X12_OFF, 0); |
| 1863 | + c->dwarf.loc[UNW_AARCH64_X13] = DWARF_LOC (sc_addr + LINUX_SC_X13_OFF, 0); |
| 1864 | + c->dwarf.loc[UNW_AARCH64_X14] = DWARF_LOC (sc_addr + LINUX_SC_X14_OFF, 0); |
| 1865 | + c->dwarf.loc[UNW_AARCH64_X15] = DWARF_LOC (sc_addr + LINUX_SC_X15_OFF, 0); |
| 1866 | + c->dwarf.loc[UNW_AARCH64_X16] = DWARF_LOC (sc_addr + LINUX_SC_X16_OFF, 0); |
| 1867 | + c->dwarf.loc[UNW_AARCH64_X17] = DWARF_LOC (sc_addr + LINUX_SC_X17_OFF, 0); |
| 1868 | + c->dwarf.loc[UNW_AARCH64_X18] = DWARF_LOC (sc_addr + LINUX_SC_X18_OFF, 0); |
| 1869 | + c->dwarf.loc[UNW_AARCH64_X19] = DWARF_LOC (sc_addr + LINUX_SC_X19_OFF, 0); |
| 1870 | + c->dwarf.loc[UNW_AARCH64_X20] = DWARF_LOC (sc_addr + LINUX_SC_X20_OFF, 0); |
| 1871 | + c->dwarf.loc[UNW_AARCH64_X21] = DWARF_LOC (sc_addr + LINUX_SC_X21_OFF, 0); |
| 1872 | + c->dwarf.loc[UNW_AARCH64_X22] = DWARF_LOC (sc_addr + LINUX_SC_X22_OFF, 0); |
| 1873 | + c->dwarf.loc[UNW_AARCH64_X23] = DWARF_LOC (sc_addr + LINUX_SC_X23_OFF, 0); |
| 1874 | + c->dwarf.loc[UNW_AARCH64_X24] = DWARF_LOC (sc_addr + LINUX_SC_X24_OFF, 0); |
| 1875 | + c->dwarf.loc[UNW_AARCH64_X25] = DWARF_LOC (sc_addr + LINUX_SC_X25_OFF, 0); |
| 1876 | + c->dwarf.loc[UNW_AARCH64_X26] = DWARF_LOC (sc_addr + LINUX_SC_X26_OFF, 0); |
| 1877 | + c->dwarf.loc[UNW_AARCH64_X27] = DWARF_LOC (sc_addr + LINUX_SC_X27_OFF, 0); |
| 1878 | + c->dwarf.loc[UNW_AARCH64_X28] = DWARF_LOC (sc_addr + LINUX_SC_X28_OFF, 0); |
| 1879 | + c->dwarf.loc[UNW_AARCH64_X29] = DWARF_LOC (sc_addr + LINUX_SC_X29_OFF, 0); |
| 1880 | + c->dwarf.loc[UNW_AARCH64_X30] = DWARF_LOC (sc_addr + LINUX_SC_X30_OFF, 0); |
| 1881 | + c->dwarf.loc[UNW_AARCH64_SP] = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0); |
| 1882 | + c->dwarf.loc[UNW_AARCH64_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); |
| 1883 | + c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_LOC (sc_addr + LINUX_SC_PSTATE_OFF, 0); |
| 1884 | + |
| 1885 | + /* Set SP/CFA and PC/IP. */ |
| 1886 | + dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); |
| 1887 | + dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); |
| 1888 | + |
| 1889 | + c->dwarf.pi_valid = 0; |
| 1890 | + |
| 1891 | + return 1; |
| 1892 | +} |
| 1893 | + |
| 1894 | +PROTECTED int |
| 1895 | +unw_step (unw_cursor_t *cursor) |
| 1896 | +{ |
| 1897 | + struct cursor *c = (struct cursor *) cursor; |
| 1898 | + int ret; |
| 1899 | + |
| 1900 | + Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx))\n", |
| 1901 | + c, c->dwarf.ip, c->dwarf.cfa); |
| 1902 | + |
| 1903 | + /* Check if this is a signal frame. */ |
| 1904 | + if (unw_is_signal_frame (cursor)) |
| 1905 | + return unw_handle_signal_frame (cursor); |
| 1906 | + |
| 1907 | + ret = dwarf_step (&c->dwarf); |
| 1908 | + Debug(1, "dwarf_step()=%d\n", ret); |
| 1909 | + |
| 1910 | + if (unlikely (ret == -UNW_ESTOPUNWIND)) |
| 1911 | + return ret; |
| 1912 | + |
| 1913 | + if (unlikely (ret < 0)) |
| 1914 | + return 0; |
| 1915 | + |
| 1916 | + return (c->dwarf.ip == 0) ? 0 : 1; |
| 1917 | +} |
| 1918 | --- /dev/null |
| 1919 | +++ b/src/aarch64/Lcreate_addr_space.c |
| 1920 | @@ -0,0 +1,5 @@ |
| 1921 | +#define UNW_LOCAL_ONLY |
| 1922 | +#include <libunwind.h> |
| 1923 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1924 | +#include "Gcreate_addr_space.c" |
| 1925 | +#endif |
| 1926 | --- /dev/null |
| 1927 | +++ b/src/aarch64/Lget_proc_info.c |
| 1928 | @@ -0,0 +1,5 @@ |
| 1929 | +#define UNW_LOCAL_ONLY |
| 1930 | +#include <libunwind.h> |
| 1931 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1932 | +#include "Gget_proc_info.c" |
| 1933 | +#endif |
| 1934 | --- /dev/null |
| 1935 | +++ b/src/aarch64/Lget_save_loc.c |
| 1936 | @@ -0,0 +1,5 @@ |
| 1937 | +#define UNW_LOCAL_ONLY |
| 1938 | +#include <libunwind.h> |
| 1939 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1940 | +#include "Gget_save_loc.c" |
| 1941 | +#endif |
| 1942 | --- /dev/null |
| 1943 | +++ b/src/aarch64/Lglobal.c |
| 1944 | @@ -0,0 +1,5 @@ |
| 1945 | +#define UNW_LOCAL_ONLY |
| 1946 | +#include <libunwind.h> |
| 1947 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1948 | +#include "Gglobal.c" |
| 1949 | +#endif |
| 1950 | --- /dev/null |
| 1951 | +++ b/src/aarch64/Linit.c |
| 1952 | @@ -0,0 +1,5 @@ |
| 1953 | +#define UNW_LOCAL_ONLY |
| 1954 | +#include <libunwind.h> |
| 1955 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1956 | +#include "Ginit.c" |
| 1957 | +#endif |
| 1958 | --- /dev/null |
| 1959 | +++ b/src/aarch64/Linit_local.c |
| 1960 | @@ -0,0 +1,5 @@ |
| 1961 | +#define UNW_LOCAL_ONLY |
| 1962 | +#include <libunwind.h> |
| 1963 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1964 | +#include "Ginit_local.c" |
| 1965 | +#endif |
| 1966 | --- /dev/null |
| 1967 | +++ b/src/aarch64/Linit_remote.c |
| 1968 | @@ -0,0 +1,5 @@ |
| 1969 | +#define UNW_LOCAL_ONLY |
| 1970 | +#include <libunwind.h> |
| 1971 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1972 | +#include "Ginit_remote.c" |
| 1973 | +#endif |
| 1974 | --- /dev/null |
| 1975 | +++ b/src/aarch64/Lis_signal_frame.c |
| 1976 | @@ -0,0 +1,5 @@ |
| 1977 | +#define UNW_LOCAL_ONLY |
| 1978 | +#include <libunwind.h> |
| 1979 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1980 | +#include "Gis_signal_frame.c" |
| 1981 | +#endif |
| 1982 | --- /dev/null |
| 1983 | +++ b/src/aarch64/Lregs.c |
| 1984 | @@ -0,0 +1,5 @@ |
| 1985 | +#define UNW_LOCAL_ONLY |
| 1986 | +#include <libunwind.h> |
| 1987 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1988 | +#include "Gregs.c" |
| 1989 | +#endif |
| 1990 | --- /dev/null |
| 1991 | +++ b/src/aarch64/Lresume.c |
| 1992 | @@ -0,0 +1,5 @@ |
| 1993 | +#define UNW_LOCAL_ONLY |
| 1994 | +#include <libunwind.h> |
| 1995 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 1996 | +#include "Gresume.c" |
| 1997 | +#endif |
| 1998 | --- /dev/null |
| 1999 | +++ b/src/aarch64/Lstep.c |
| 2000 | @@ -0,0 +1,5 @@ |
| 2001 | +#define UNW_LOCAL_ONLY |
| 2002 | +#include <libunwind.h> |
| 2003 | +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) |
| 2004 | +#include "Gstep.c" |
| 2005 | +#endif |
| 2006 | --- /dev/null |
| 2007 | +++ b/src/aarch64/gen-offsets.c |
| 2008 | @@ -0,0 +1,68 @@ |
| 2009 | +#include <stdio.h> |
| 2010 | +#include <stddef.h> |
| 2011 | +#include <ucontext.h> |
| 2012 | +#include <asm/sigcontext.h> |
| 2013 | + |
| 2014 | +#define UC(N,X) \ |
| 2015 | + printf ("#define LINUX_UC_" N "_OFF\t0x%X\n", offsetof (ucontext_t, X)) |
| 2016 | + |
| 2017 | +#define SC(N,X) \ |
| 2018 | + printf ("#define LINUX_SC_" N "_OFF\t0x%X\n", offsetof (struct sigcontext, X)) |
| 2019 | + |
| 2020 | +int |
| 2021 | +main (void) |
| 2022 | +{ |
| 2023 | + printf ( |
| 2024 | +"/* Linux-specific definitions: */\n\n" |
| 2025 | + |
| 2026 | +"/* Define various structure offsets to simplify cross-compilation. */\n\n" |
| 2027 | + |
| 2028 | +"/* Offsets for AArch64 Linux \"ucontext_t\": */\n\n"); |
| 2029 | + |
| 2030 | + UC ("FLAGS", uc_flags); |
| 2031 | + UC ("LINK", uc_link); |
| 2032 | + UC ("STACK", uc_stack); |
| 2033 | + UC ("MCONTEXT", uc_mcontext); |
| 2034 | + UC ("SIGMASK", uc_sigmask); |
| 2035 | + |
| 2036 | + printf ("\n/* Offsets for AArch64 Linux \"struct sigcontext\": */\n\n"); |
| 2037 | + |
| 2038 | + SC ("R0", regs[0]); |
| 2039 | + SC ("R1", regs[1]); |
| 2040 | + SC ("R2", regs[2]); |
| 2041 | + SC ("R3", regs[3]); |
| 2042 | + SC ("R4", regs[4]); |
| 2043 | + SC ("R5", regs[5]); |
| 2044 | + SC ("R6", regs[6]); |
| 2045 | + SC ("R7", regs[7]); |
| 2046 | + SC ("R8", regs[8]); |
| 2047 | + SC ("R9", regs[9]); |
| 2048 | + SC ("R10", regs[10]); |
| 2049 | + SC ("R11", regs[11]); |
| 2050 | + SC ("R12", regs[12]); |
| 2051 | + SC ("R13", regs[13]); |
| 2052 | + SC ("R14", regs[14]); |
| 2053 | + SC ("R15", regs[15]); |
| 2054 | + SC ("R16", regs[16]); |
| 2055 | + SC ("R17", regs[17]); |
| 2056 | + SC ("R18", regs[18]); |
| 2057 | + SC ("R19", regs[19]); |
| 2058 | + SC ("R20", regs[20]); |
| 2059 | + SC ("R21", regs[21]); |
| 2060 | + SC ("R22", regs[22]); |
| 2061 | + SC ("R23", regs[23]); |
| 2062 | + SC ("R24", regs[24]); |
| 2063 | + SC ("R25", regs[25]); |
| 2064 | + SC ("R26", regs[26]); |
| 2065 | + SC ("R27", regs[27]); |
| 2066 | + SC ("R28", regs[28]); |
| 2067 | + SC ("R29", regs[29]); |
| 2068 | + SC ("R30", regs[30]); |
| 2069 | + SC ("R31", regs[31]); |
| 2070 | + |
| 2071 | + SC ("PC", pc); |
| 2072 | + SC ("SP", sp); |
| 2073 | + SC ("Fault", fault_address); |
| 2074 | + SC ("state", pstate); |
| 2075 | + return 0; |
| 2076 | +} |
| 2077 | --- /dev/null |
| 2078 | +++ b/src/aarch64/init.h |
| 2079 | @@ -0,0 +1,127 @@ |
| 2080 | +/* libunwind - a platform-independent unwind library |
| 2081 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 2082 | + Copyright (C) 2013 Linaro Limited |
| 2083 | + |
| 2084 | +This file is part of libunwind. |
| 2085 | + |
| 2086 | +Permission is hereby granted, free of charge, to any person obtaining |
| 2087 | +a copy of this software and associated documentation files (the |
| 2088 | +"Software"), to deal in the Software without restriction, including |
| 2089 | +without limitation the rights to use, copy, modify, merge, publish, |
| 2090 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 2091 | +permit persons to whom the Software is furnished to do so, subject to |
| 2092 | +the following conditions: |
| 2093 | + |
| 2094 | +The above copyright notice and this permission notice shall be |
| 2095 | +included in all copies or substantial portions of the Software. |
| 2096 | + |
| 2097 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 2098 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 2099 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 2100 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 2101 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 2102 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 2103 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 2104 | + |
| 2105 | +#include "unwind_i.h" |
| 2106 | + |
| 2107 | +static inline int |
| 2108 | +common_init (struct cursor *c, unsigned use_prev_instr) |
| 2109 | +{ |
| 2110 | + int ret, i; |
| 2111 | + |
| 2112 | + c->dwarf.loc[UNW_AARCH64_X0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X0); |
| 2113 | + c->dwarf.loc[UNW_AARCH64_X1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X1); |
| 2114 | + c->dwarf.loc[UNW_AARCH64_X2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X2); |
| 2115 | + c->dwarf.loc[UNW_AARCH64_X3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X3); |
| 2116 | + c->dwarf.loc[UNW_AARCH64_X4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X4); |
| 2117 | + c->dwarf.loc[UNW_AARCH64_X5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X5); |
| 2118 | + c->dwarf.loc[UNW_AARCH64_X6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X6); |
| 2119 | + c->dwarf.loc[UNW_AARCH64_X7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X7); |
| 2120 | + c->dwarf.loc[UNW_AARCH64_X8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X8); |
| 2121 | + c->dwarf.loc[UNW_AARCH64_X9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X9); |
| 2122 | + c->dwarf.loc[UNW_AARCH64_X10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X10); |
| 2123 | + c->dwarf.loc[UNW_AARCH64_X11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X11); |
| 2124 | + c->dwarf.loc[UNW_AARCH64_X12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X12); |
| 2125 | + c->dwarf.loc[UNW_AARCH64_X13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X13); |
| 2126 | + c->dwarf.loc[UNW_AARCH64_X14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X14); |
| 2127 | + c->dwarf.loc[UNW_AARCH64_X15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X15); |
| 2128 | + c->dwarf.loc[UNW_AARCH64_X16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X16); |
| 2129 | + c->dwarf.loc[UNW_AARCH64_X17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X17); |
| 2130 | + c->dwarf.loc[UNW_AARCH64_X18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X18); |
| 2131 | + c->dwarf.loc[UNW_AARCH64_X19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X19); |
| 2132 | + c->dwarf.loc[UNW_AARCH64_X20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X20); |
| 2133 | + c->dwarf.loc[UNW_AARCH64_X21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X21); |
| 2134 | + c->dwarf.loc[UNW_AARCH64_X22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X22); |
| 2135 | + c->dwarf.loc[UNW_AARCH64_X23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X23); |
| 2136 | + c->dwarf.loc[UNW_AARCH64_X24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X24); |
| 2137 | + c->dwarf.loc[UNW_AARCH64_X25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X25); |
| 2138 | + c->dwarf.loc[UNW_AARCH64_X26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X26); |
| 2139 | + c->dwarf.loc[UNW_AARCH64_X27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X27); |
| 2140 | + c->dwarf.loc[UNW_AARCH64_X28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X28); |
| 2141 | + c->dwarf.loc[UNW_AARCH64_X29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X29); |
| 2142 | + c->dwarf.loc[UNW_AARCH64_X30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X30); |
| 2143 | + c->dwarf.loc[UNW_AARCH64_SP] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_SP); |
| 2144 | + c->dwarf.loc[UNW_AARCH64_PC] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PC); |
| 2145 | + c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_REG_LOC (&c->dwarf, |
| 2146 | + UNW_AARCH64_PSTATE); |
| 2147 | + c->dwarf.loc[UNW_AARCH64_V0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V0); |
| 2148 | + c->dwarf.loc[UNW_AARCH64_V1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V1); |
| 2149 | + c->dwarf.loc[UNW_AARCH64_V2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V2); |
| 2150 | + c->dwarf.loc[UNW_AARCH64_V3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V3); |
| 2151 | + c->dwarf.loc[UNW_AARCH64_V4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V4); |
| 2152 | + c->dwarf.loc[UNW_AARCH64_V5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V5); |
| 2153 | + c->dwarf.loc[UNW_AARCH64_V6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V6); |
| 2154 | + c->dwarf.loc[UNW_AARCH64_V7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V7); |
| 2155 | + c->dwarf.loc[UNW_AARCH64_V8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V8); |
| 2156 | + c->dwarf.loc[UNW_AARCH64_V9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V9); |
| 2157 | + c->dwarf.loc[UNW_AARCH64_V10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V10); |
| 2158 | + c->dwarf.loc[UNW_AARCH64_V11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V11); |
| 2159 | + c->dwarf.loc[UNW_AARCH64_V12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V12); |
| 2160 | + c->dwarf.loc[UNW_AARCH64_V13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V13); |
| 2161 | + c->dwarf.loc[UNW_AARCH64_V14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V14); |
| 2162 | + c->dwarf.loc[UNW_AARCH64_V15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V15); |
| 2163 | + c->dwarf.loc[UNW_AARCH64_V16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V16); |
| 2164 | + c->dwarf.loc[UNW_AARCH64_V17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V17); |
| 2165 | + c->dwarf.loc[UNW_AARCH64_V18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V18); |
| 2166 | + c->dwarf.loc[UNW_AARCH64_V19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V19); |
| 2167 | + c->dwarf.loc[UNW_AARCH64_V20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V20); |
| 2168 | + c->dwarf.loc[UNW_AARCH64_V21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V21); |
| 2169 | + c->dwarf.loc[UNW_AARCH64_V22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V22); |
| 2170 | + c->dwarf.loc[UNW_AARCH64_V23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V23); |
| 2171 | + c->dwarf.loc[UNW_AARCH64_V24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V24); |
| 2172 | + c->dwarf.loc[UNW_AARCH64_V25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V25); |
| 2173 | + c->dwarf.loc[UNW_AARCH64_V26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V26); |
| 2174 | + c->dwarf.loc[UNW_AARCH64_V27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V27); |
| 2175 | + c->dwarf.loc[UNW_AARCH64_V28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V28); |
| 2176 | + c->dwarf.loc[UNW_AARCH64_V29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V29); |
| 2177 | + c->dwarf.loc[UNW_AARCH64_V30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V30); |
| 2178 | + c->dwarf.loc[UNW_AARCH64_V31] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V31); |
| 2179 | + |
| 2180 | + for (i = UNW_AARCH64_PSTATE + 1; i < UNW_AARCH64_V0; ++i) |
| 2181 | + c->dwarf.loc[i] = DWARF_NULL_LOC; |
| 2182 | + |
| 2183 | + ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); |
| 2184 | + if (ret < 0) |
| 2185 | + return ret; |
| 2186 | + |
| 2187 | + ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); |
| 2188 | + if (ret < 0) |
| 2189 | + return ret; |
| 2190 | + |
| 2191 | + c->sigcontext_format = AARCH64_SCF_NONE; |
| 2192 | + c->sigcontext_addr = 0; |
| 2193 | + c->sigcontext_sp = 0; |
| 2194 | + c->sigcontext_pc = 0; |
| 2195 | + |
| 2196 | + c->dwarf.args_size = 0; |
| 2197 | + c->dwarf.ret_addr_column = 0; |
| 2198 | + c->dwarf.stash_frames = 0; |
| 2199 | + c->dwarf.use_prev_instr = use_prev_instr; |
| 2200 | + c->dwarf.pi_valid = 0; |
| 2201 | + c->dwarf.pi_is_dynamic = 0; |
| 2202 | + c->dwarf.hint = 0; |
| 2203 | + c->dwarf.prev_rs = 0; |
| 2204 | + |
| 2205 | + return 0; |
| 2206 | +} |
| 2207 | --- /dev/null |
| 2208 | +++ b/src/aarch64/is_fpreg.c |
| 2209 | @@ -0,0 +1,32 @@ |
| 2210 | +/* libunwind - a platform-independent unwind library |
| 2211 | + Copyright (C) 2008 CodeSourcery |
| 2212 | + Copyright (C) 2013 Linaro Limited |
| 2213 | + |
| 2214 | +This file is part of libunwind. |
| 2215 | + |
| 2216 | +Permission is hereby granted, free of charge, to any person obtaining |
| 2217 | +a copy of this software and associated documentation files (the |
| 2218 | +"Software"), to deal in the Software without restriction, including |
| 2219 | +without limitation the rights to use, copy, modify, merge, publish, |
| 2220 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 2221 | +permit persons to whom the Software is furnished to do so, subject to |
| 2222 | +the following conditions: |
| 2223 | + |
| 2224 | +The above copyright notice and this permission notice shall be |
| 2225 | +included in all copies or substantial portions of the Software. |
| 2226 | + |
| 2227 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 2228 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 2229 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 2230 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 2231 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 2232 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 2233 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 2234 | + |
| 2235 | +#include "libunwind_i.h" |
| 2236 | + |
| 2237 | +PROTECTED int |
| 2238 | +unw_is_fpreg (int regnum) |
| 2239 | +{ |
| 2240 | + return (regnum >= UNW_AARCH64_V0 && regnum <= UNW_AARCH64_V31); |
| 2241 | +} |
| 2242 | --- /dev/null |
| 2243 | +++ b/src/aarch64/offsets.h |
| 2244 | @@ -0,0 +1,49 @@ |
| 2245 | +/* Linux-specific definitions: */ |
| 2246 | + |
| 2247 | +/* Define various structure offsets to simplify cross-compilation. */ |
| 2248 | + |
| 2249 | +/* Offsets for AArch64 Linux "ucontext_t": */ |
| 2250 | + |
| 2251 | +#define LINUX_UC_FLAGS_OFF 0x0 |
| 2252 | +#define LINUX_UC_LINK_OFF 0x8 |
| 2253 | +#define LINUX_UC_STACK_OFF 0x10 |
| 2254 | +#define LINUX_UC_SIGMASK_OFF 0x28 |
| 2255 | +#define LINUX_UC_MCONTEXT_OFF 0xb0 |
| 2256 | + |
| 2257 | +/* Offsets for AArch64 Linux "struct sigcontext": */ |
| 2258 | + |
| 2259 | +#define LINUX_SC_FAULTADDRESS_OFF 0x00 |
| 2260 | +#define LINUX_SC_X0_OFF 0x008 |
| 2261 | +#define LINUX_SC_X1_OFF 0x010 |
| 2262 | +#define LINUX_SC_X2_OFF 0x018 |
| 2263 | +#define LINUX_SC_X3_OFF 0x020 |
| 2264 | +#define LINUX_SC_X4_OFF 0x028 |
| 2265 | +#define LINUX_SC_X5_OFF 0x030 |
| 2266 | +#define LINUX_SC_X6_OFF 0x038 |
| 2267 | +#define LINUX_SC_X7_OFF 0x040 |
| 2268 | +#define LINUX_SC_X8_OFF 0x048 |
| 2269 | +#define LINUX_SC_X9_OFF 0x050 |
| 2270 | +#define LINUX_SC_X10_OFF 0x058 |
| 2271 | +#define LINUX_SC_X11_OFF 0x060 |
| 2272 | +#define LINUX_SC_X12_OFF 0x068 |
| 2273 | +#define LINUX_SC_X13_OFF 0x070 |
| 2274 | +#define LINUX_SC_X14_OFF 0x078 |
| 2275 | +#define LINUX_SC_X15_OFF 0x080 |
| 2276 | +#define LINUX_SC_X16_OFF 0x088 |
| 2277 | +#define LINUX_SC_X17_OFF 0x090 |
| 2278 | +#define LINUX_SC_X18_OFF 0x098 |
| 2279 | +#define LINUX_SC_X19_OFF 0x0a0 |
| 2280 | +#define LINUX_SC_X20_OFF 0x0a8 |
| 2281 | +#define LINUX_SC_X21_OFF 0x0b0 |
| 2282 | +#define LINUX_SC_X22_OFF 0x0b8 |
| 2283 | +#define LINUX_SC_X23_OFF 0x0c0 |
| 2284 | +#define LINUX_SC_X24_OFF 0x0c8 |
| 2285 | +#define LINUX_SC_X25_OFF 0x0d0 |
| 2286 | +#define LINUX_SC_X26_OFF 0x0d8 |
| 2287 | +#define LINUX_SC_X27_OFF 0x0e0 |
| 2288 | +#define LINUX_SC_X28_OFF 0x0e8 |
| 2289 | +#define LINUX_SC_X29_OFF 0x0f0 |
| 2290 | +#define LINUX_SC_X30_OFF 0x0f8 |
| 2291 | +#define LINUX_SC_SP_OFF 0x100 |
| 2292 | +#define LINUX_SC_PC_OFF 0x108 |
| 2293 | +#define LINUX_SC_PSTATE_OFF 0x110 |
| 2294 | --- /dev/null |
| 2295 | +++ b/src/aarch64/regname.c |
| 2296 | @@ -0,0 +1,106 @@ |
| 2297 | +/* libunwind - a platform-independent unwind library |
| 2298 | + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> |
| 2299 | + Copyright (C) 2013 Linaro Limited |
| 2300 | + |
| 2301 | +This file is part of libunwind. |
| 2302 | + |
| 2303 | +Permission is hereby granted, free of charge, to any person obtaining |
| 2304 | +a copy of this software and associated documentation files (the |
| 2305 | +"Software"), to deal in the Software without restriction, including |
| 2306 | +without limitation the rights to use, copy, modify, merge, publish, |
| 2307 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 2308 | +permit persons to whom the Software is furnished to do so, subject to |
| 2309 | +the following conditions: |
| 2310 | + |
| 2311 | +The above copyright notice and this permission notice shall be |
| 2312 | +included in all copies or substantial portions of the Software. |
| 2313 | + |
| 2314 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 2315 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 2316 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 2317 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 2318 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 2319 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 2320 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 2321 | + |
| 2322 | +#include "unwind_i.h" |
| 2323 | + |
| 2324 | +static const char *const regname[] = |
| 2325 | + { |
| 2326 | + [UNW_AARCH64_X0] = "x0", |
| 2327 | + [UNW_AARCH64_X1] = "x1", |
| 2328 | + [UNW_AARCH64_X2] = "x2", |
| 2329 | + [UNW_AARCH64_X3] = "x3", |
| 2330 | + [UNW_AARCH64_X4] = "x4", |
| 2331 | + [UNW_AARCH64_X5] = "x5", |
| 2332 | + [UNW_AARCH64_X6] = "x6", |
| 2333 | + [UNW_AARCH64_X7] = "x7", |
| 2334 | + [UNW_AARCH64_X8] = "x8", |
| 2335 | + [UNW_AARCH64_X9] = "x9", |
| 2336 | + [UNW_AARCH64_X10] = "x10", |
| 2337 | + [UNW_AARCH64_X11] = "x11", |
| 2338 | + [UNW_AARCH64_X12] = "x12", |
| 2339 | + [UNW_AARCH64_X13] = "x13", |
| 2340 | + [UNW_AARCH64_X14] = "x14", |
| 2341 | + [UNW_AARCH64_X15] = "x15", |
| 2342 | + [UNW_AARCH64_X16] = "ip0", |
| 2343 | + [UNW_AARCH64_X17] = "ip1", |
| 2344 | + [UNW_AARCH64_X18] = "x18", |
| 2345 | + [UNW_AARCH64_X19] = "x19", |
| 2346 | + [UNW_AARCH64_X20] = "x20", |
| 2347 | + [UNW_AARCH64_X21] = "x21", |
| 2348 | + [UNW_AARCH64_X22] = "x22", |
| 2349 | + [UNW_AARCH64_X23] = "x23", |
| 2350 | + [UNW_AARCH64_X24] = "x24", |
| 2351 | + [UNW_AARCH64_X25] = "x25", |
| 2352 | + [UNW_AARCH64_X26] = "x26", |
| 2353 | + [UNW_AARCH64_X27] = "x27", |
| 2354 | + [UNW_AARCH64_X28] = "x28", |
| 2355 | + [UNW_AARCH64_X29] = "fp", |
| 2356 | + [UNW_AARCH64_X30] = "lr", |
| 2357 | + [UNW_AARCH64_SP] = "sp", |
| 2358 | + [UNW_AARCH64_PC] = "pc", |
| 2359 | + [UNW_AARCH64_V0] = "v0", |
| 2360 | + [UNW_AARCH64_V1] = "v1", |
| 2361 | + [UNW_AARCH64_V2] = "v2", |
| 2362 | + [UNW_AARCH64_V3] = "v3", |
| 2363 | + [UNW_AARCH64_V4] = "v4", |
| 2364 | + [UNW_AARCH64_V5] = "v5", |
| 2365 | + [UNW_AARCH64_V6] = "v6", |
| 2366 | + [UNW_AARCH64_V7] = "v7", |
| 2367 | + [UNW_AARCH64_V8] = "v8", |
| 2368 | + [UNW_AARCH64_V9] = "v9", |
| 2369 | + [UNW_AARCH64_V10] = "v10", |
| 2370 | + [UNW_AARCH64_V11] = "v11", |
| 2371 | + [UNW_AARCH64_V12] = "v12", |
| 2372 | + [UNW_AARCH64_V13] = "v13", |
| 2373 | + [UNW_AARCH64_V14] = "v14", |
| 2374 | + [UNW_AARCH64_V15] = "v15", |
| 2375 | + [UNW_AARCH64_V16] = "v16", |
| 2376 | + [UNW_AARCH64_V17] = "v17", |
| 2377 | + [UNW_AARCH64_V18] = "v18", |
| 2378 | + [UNW_AARCH64_V19] = "v19", |
| 2379 | + [UNW_AARCH64_V20] = "v20", |
| 2380 | + [UNW_AARCH64_V21] = "v21", |
| 2381 | + [UNW_AARCH64_V22] = "v22", |
| 2382 | + [UNW_AARCH64_V23] = "v23", |
| 2383 | + [UNW_AARCH64_V24] = "v24", |
| 2384 | + [UNW_AARCH64_V25] = "v25", |
| 2385 | + [UNW_AARCH64_V26] = "v26", |
| 2386 | + [UNW_AARCH64_V27] = "v27", |
| 2387 | + [UNW_AARCH64_V28] = "v28", |
| 2388 | + [UNW_AARCH64_V29] = "v29", |
| 2389 | + [UNW_AARCH64_V30] = "v30", |
| 2390 | + [UNW_AARCH64_V31] = "v31", |
| 2391 | + [UNW_AARCH64_FPSR] = "fpsr", |
| 2392 | + [UNW_AARCH64_FPCR] = "fpcr", |
| 2393 | + }; |
| 2394 | + |
| 2395 | +PROTECTED const char * |
| 2396 | +unw_regname (unw_regnum_t reg) |
| 2397 | +{ |
| 2398 | + if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL) |
| 2399 | + return regname[reg]; |
| 2400 | + else |
| 2401 | + return "???"; |
| 2402 | +} |
| 2403 | --- /dev/null |
| 2404 | +++ b/src/aarch64/siglongjmp.S |
| 2405 | @@ -0,0 +1,12 @@ |
| 2406 | + /* Dummy implementation for now. */ |
| 2407 | + |
| 2408 | + .global _UI_siglongjmp_cont |
| 2409 | + .global _UI_longjmp_cont |
| 2410 | + |
| 2411 | +_UI_siglongjmp_cont: |
| 2412 | +_UI_longjmp_cont: |
| 2413 | + ret |
| 2414 | +#ifdef __linux__ |
| 2415 | + /* We do not need executable stack. */ |
| 2416 | + .section .note.GNU-stack,"",%progbits |
| 2417 | +#endif |
| 2418 | --- /dev/null |
| 2419 | +++ b/src/aarch64/unwind_i.h |
| 2420 | @@ -0,0 +1,43 @@ |
| 2421 | +/* libunwind - a platform-independent unwind library |
| 2422 | + Copyright (C) 2008 CodeSourcery |
| 2423 | + Copyright (C) 2013 Linaro Limited |
| 2424 | + |
| 2425 | +This file is part of libunwind. |
| 2426 | + |
| 2427 | +Permission is hereby granted, free of charge, to any person obtaining |
| 2428 | +a copy of this software and associated documentation files (the |
| 2429 | +"Software"), to deal in the Software without restriction, including |
| 2430 | +without limitation the rights to use, copy, modify, merge, publish, |
| 2431 | +distribute, sublicense, and/or sell copies of the Software, and to |
| 2432 | +permit persons to whom the Software is furnished to do so, subject to |
| 2433 | +the following conditions: |
| 2434 | + |
| 2435 | +The above copyright notice and this permission notice shall be |
| 2436 | +included in all copies or substantial portions of the Software. |
| 2437 | + |
| 2438 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 2439 | +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 2440 | +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 2441 | +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 2442 | +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 2443 | +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 2444 | +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 2445 | + |
| 2446 | +#ifndef unwind_i_h |
| 2447 | +#define unwind_i_h |
| 2448 | + |
| 2449 | +#include <stdint.h> |
| 2450 | + |
| 2451 | +#include <libunwind-aarch64.h> |
| 2452 | + |
| 2453 | +#include "libunwind_i.h" |
| 2454 | + |
| 2455 | +#define aarch64_lock UNW_OBJ(lock) |
| 2456 | +#define aarch64_local_resume UNW_OBJ(local_resume) |
| 2457 | +#define aarch64_local_addr_space_init UNW_OBJ(local_addr_space_init) |
| 2458 | + |
| 2459 | +extern void aarch64_local_addr_space_init (void); |
| 2460 | +extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, |
| 2461 | + void *arg); |
| 2462 | + |
| 2463 | +#endif /* unwind_i_h */ |
| 2464 | --- a/src/coredump/_UCD_access_reg_linux.c |
| 2465 | +++ b/src/coredump/_UCD_access_reg_linux.c |
| 2466 | @@ -39,7 +39,10 @@ _UCD_access_reg (unw_addr_space_t as, |
| 2467 | return -UNW_EINVAL; |
| 2468 | } |
| 2469 | |
| 2470 | -#if defined(UNW_TARGET_ARM) |
| 2471 | +#if defined(UNW_TARGET_AARCH64) |
| 2472 | + if (regnum < 0 || regnum >= UNW_AARCH64_FPCR) |
| 2473 | + goto badreg; |
| 2474 | +#elif defined(UNW_TARGET_ARM) |
| 2475 | if (regnum < 0 || regnum >= 16) |
| 2476 | goto badreg; |
| 2477 | #elif defined(UNW_TARGET_SH) |
| 2478 | --- a/src/ptrace/_UPT_reg_offset.c |
| 2479 | +++ b/src/ptrace/_UPT_reg_offset.c |
| 2480 | @@ -1,6 +1,7 @@ |
| 2481 | /* libunwind - a platform-independent unwind library |
| 2482 | Copyright (C) 2003-2004 Hewlett-Packard Co |
| 2483 | Contributed by David Mosberger-Tang <davidm@hpl.hp.com> |
| 2484 | + Copyright (C) 2013 Linaro Limited |
| 2485 | |
| 2486 | This file is part of libunwind. |
| 2487 | |
| 2488 | @@ -501,6 +502,41 @@ const int _UPT_reg_offset[UNW_REG_LAST + |
| 2489 | [UNW_ARM_R15] = 0x3c, |
| 2490 | #elif defined(UNW_TARGET_MIPS) |
| 2491 | #elif defined(UNW_TARGET_SH) |
| 2492 | +#elif defined(UNW_TARGET_AARCH64) |
| 2493 | + [UNW_AARCH64_X0] = 0x00, |
| 2494 | + [UNW_AARCH64_X1] = 0x08, |
| 2495 | + [UNW_AARCH64_X2] = 0x10, |
| 2496 | + [UNW_AARCH64_X3] = 0x18, |
| 2497 | + [UNW_AARCH64_X4] = 0x20, |
| 2498 | + [UNW_AARCH64_X5] = 0x28, |
| 2499 | + [UNW_AARCH64_X6] = 0x30, |
| 2500 | + [UNW_AARCH64_X7] = 0x38, |
| 2501 | + [UNW_AARCH64_X8] = 0x40, |
| 2502 | + [UNW_AARCH64_X9] = 0x48, |
| 2503 | + [UNW_AARCH64_X10] = 0x50, |
| 2504 | + [UNW_AARCH64_X11] = 0x58, |
| 2505 | + [UNW_AARCH64_X12] = 0x60, |
| 2506 | + [UNW_AARCH64_X13] = 0x68, |
| 2507 | + [UNW_AARCH64_X14] = 0x70, |
| 2508 | + [UNW_AARCH64_X15] = 0x78, |
| 2509 | + [UNW_AARCH64_X16] = 0x80, |
| 2510 | + [UNW_AARCH64_X17] = 0x88, |
| 2511 | + [UNW_AARCH64_X18] = 0x90, |
| 2512 | + [UNW_AARCH64_X19] = 0x98, |
| 2513 | + [UNW_AARCH64_X20] = 0xa0, |
| 2514 | + [UNW_AARCH64_X21] = 0xa8, |
| 2515 | + [UNW_AARCH64_X22] = 0xb0, |
| 2516 | + [UNW_AARCH64_X23] = 0xb8, |
| 2517 | + [UNW_AARCH64_X24] = 0xc0, |
| 2518 | + [UNW_AARCH64_X25] = 0xc8, |
| 2519 | + [UNW_AARCH64_X26] = 0xd0, |
| 2520 | + [UNW_AARCH64_X27] = 0xd8, |
| 2521 | + [UNW_AARCH64_X28] = 0xe0, |
| 2522 | + [UNW_AARCH64_X29] = 0xe8, |
| 2523 | + [UNW_AARCH64_X30] = 0xf0, |
| 2524 | + [UNW_AARCH64_SP] = 0xf8, |
| 2525 | + [UNW_AARCH64_PC] = 0x100, |
| 2526 | + [UNW_AARCH64_PSTATE] = 0x108 |
| 2527 | #else |
| 2528 | # error Fix me. |
| 2529 | #endif |