diff options
Diffstat (limited to 'src/third_party/unwind/dist/include/libunwind-x86_64.h')
-rw-r--r-- | src/third_party/unwind/dist/include/libunwind-x86_64.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/include/libunwind-x86_64.h b/src/third_party/unwind/dist/include/libunwind-x86_64.h new file mode 100644 index 00000000000..78eb541afb3 --- /dev/null +++ b/src/third_party/unwind/dist/include/libunwind-x86_64.h @@ -0,0 +1,141 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2002-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + + Modified for x86_64 by Max Asbock <masbock@us.ibm.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef LIBUNWIND_H +#define LIBUNWIND_H + +#if defined(__cplusplus) || defined(c_plusplus) +extern "C" { +#endif + +#include <sys/types.h> +#include <inttypes.h> +#include <ucontext.h> + +#define UNW_TARGET x86_64 +#define UNW_TARGET_X86_64 1 + +#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ + +/* This needs to be big enough to accommodate "struct cursor", while + leaving some slack for future expansion. Changing this value will + require recompiling all users of this library. Stack allocation is + relatively cheap and unwind-state copying is relatively rare, so we + want to err on making it rather too big than too small. */ +#define UNW_TDEP_CURSOR_LEN 127 + +typedef uint64_t unw_word_t; +typedef int64_t unw_sword_t; + +typedef long double unw_tdep_fpreg_t; + +typedef enum + { + UNW_X86_64_RAX, + UNW_X86_64_RDX, + UNW_X86_64_RCX, + UNW_X86_64_RBX, + UNW_X86_64_RSI, + UNW_X86_64_RDI, + UNW_X86_64_RBP, + UNW_X86_64_RSP, + UNW_X86_64_R8, + UNW_X86_64_R9, + UNW_X86_64_R10, + UNW_X86_64_R11, + UNW_X86_64_R12, + UNW_X86_64_R13, + UNW_X86_64_R14, + UNW_X86_64_R15, + UNW_X86_64_RIP, +#ifdef CONFIG_MSABI_SUPPORT + UNW_X86_64_XMM0, + UNW_X86_64_XMM1, + UNW_X86_64_XMM2, + UNW_X86_64_XMM3, + UNW_X86_64_XMM4, + UNW_X86_64_XMM5, + UNW_X86_64_XMM6, + UNW_X86_64_XMM7, + UNW_X86_64_XMM8, + UNW_X86_64_XMM9, + UNW_X86_64_XMM10, + UNW_X86_64_XMM11, + UNW_X86_64_XMM12, + UNW_X86_64_XMM13, + UNW_X86_64_XMM14, + UNW_X86_64_XMM15, + UNW_TDEP_LAST_REG = UNW_X86_64_XMM15, +#else + UNW_TDEP_LAST_REG = UNW_X86_64_RIP, +#endif + + /* XXX Add other regs here */ + + /* frame info (read-only) */ + UNW_X86_64_CFA, + + UNW_TDEP_IP = UNW_X86_64_RIP, + UNW_TDEP_SP = UNW_X86_64_RSP, + UNW_TDEP_BP = UNW_X86_64_RBP, + UNW_TDEP_EH = UNW_X86_64_RAX + } +x86_64_regnum_t; + +#define UNW_TDEP_NUM_EH_REGS 2 /* XXX Not sure what this means */ + +typedef struct unw_tdep_save_loc + { + /* Additional target-dependent info on a save location. */ + char unused; + } +unw_tdep_save_loc_t; + +/* On x86_64, we can directly use ucontext_t as the unwind context. */ +typedef ucontext_t unw_tdep_context_t; + +typedef struct + { + /* no x86-64-specific auxiliary proc-info */ + char unused; + } +unw_tdep_proc_info_t; + +#include "libunwind-dynamic.h" +#include "libunwind-common.h" + +#define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext) +#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) + +extern int unw_tdep_getcontext (unw_tdep_context_t *); +extern int unw_tdep_is_fpreg (int); + +#if defined(__cplusplus) || defined(c_plusplus) +} +#endif + +#endif /* LIBUNWIND_H */ |