1 /* libunwind - a platform-independent unwind library 2 Copyright (C) 2002-2004 Hewlett-Packard Co 3 Contributed by David Mosberger-Tang <davidm (at) hpl.hp.com> 4 5 Modified for x86_64 by Max Asbock <masbock (at) us.ibm.com> 6 7 This file is part of libunwind. 8 9 Permission is hereby granted, free of charge, to any person obtaining 10 a copy of this software and associated documentation files (the 11 "Software"), to deal in the Software without restriction, including 12 without limitation the rights to use, copy, modify, merge, publish, 13 distribute, sublicense, and/or sell copies of the Software, and to 14 permit persons to whom the Software is furnished to do so, subject to 15 the following conditions: 16 17 The above copyright notice and this permission notice shall be 18 included in all copies or substantial portions of the Software. 19 20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 27 28 #ifndef LIBUNWIND_H 29 #define LIBUNWIND_H 30 31 #if defined(__cplusplus) || defined(c_plusplus) 32 extern "C" { 33 #endif 34 35 #include <sys/types.h> 36 #include <inttypes.h> 37 #include <ucontext.h> 38 39 #define UNW_TARGET x86_64 40 #define UNW_TARGET_X86_64 1 41 42 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ 43 44 /* This needs to be big enough to accommodate "struct cursor", while 45 leaving some slack for future expansion. Changing this value will 46 require recompiling all users of this library. Stack allocation is 47 relatively cheap and unwind-state copying is relatively rare, so we 48 want to err on making it rather too big than too small. */ 49 #define UNW_TDEP_CURSOR_LEN 127 50 51 typedef uint64_t unw_word_t; 52 typedef int64_t unw_sword_t; 53 54 typedef long double unw_tdep_fpreg_t; 55 56 typedef enum 57 { 58 UNW_X86_64_RAX, 59 UNW_X86_64_RDX, 60 UNW_X86_64_RCX, 61 UNW_X86_64_RBX, 62 UNW_X86_64_RSI, 63 UNW_X86_64_RDI, 64 UNW_X86_64_RBP, 65 UNW_X86_64_RSP, 66 UNW_X86_64_R8, 67 UNW_X86_64_R9, 68 UNW_X86_64_R10, 69 UNW_X86_64_R11, 70 UNW_X86_64_R12, 71 UNW_X86_64_R13, 72 UNW_X86_64_R14, 73 UNW_X86_64_R15, 74 UNW_X86_64_RIP, 75 #ifdef CONFIG_MSABI_SUPPORT 76 UNW_X86_64_XMM0, 77 UNW_X86_64_XMM1, 78 UNW_X86_64_XMM2, 79 UNW_X86_64_XMM3, 80 UNW_X86_64_XMM4, 81 UNW_X86_64_XMM5, 82 UNW_X86_64_XMM6, 83 UNW_X86_64_XMM7, 84 UNW_X86_64_XMM8, 85 UNW_X86_64_XMM9, 86 UNW_X86_64_XMM10, 87 UNW_X86_64_XMM11, 88 UNW_X86_64_XMM12, 89 UNW_X86_64_XMM13, 90 UNW_X86_64_XMM14, 91 UNW_X86_64_XMM15, 92 UNW_TDEP_LAST_REG = UNW_X86_64_XMM15, 93 #else 94 UNW_TDEP_LAST_REG = UNW_X86_64_RIP, 95 #endif 96 97 /* XXX Add other regs here */ 98 99 /* frame info (read-only) */ 100 UNW_X86_64_CFA, 101 102 UNW_TDEP_IP = UNW_X86_64_RIP, 103 UNW_TDEP_SP = UNW_X86_64_RSP, 104 UNW_TDEP_BP = UNW_X86_64_RBP, 105 UNW_TDEP_EH = UNW_X86_64_RAX 106 } 107 x86_64_regnum_t; 108 109 #define UNW_TDEP_NUM_EH_REGS 2 /* XXX Not sure what this means */ 110 111 typedef struct unw_tdep_save_loc 112 { 113 /* Additional target-dependent info on a save location. */ 114 } 115 unw_tdep_save_loc_t; 116 117 /* On x86_64, we can directly use ucontext_t as the unwind context. */ 118 typedef ucontext_t unw_tdep_context_t; 119 120 typedef struct 121 { 122 /* no x86-64-specific auxiliary proc-info */ 123 } 124 unw_tdep_proc_info_t; 125 126 #include "libunwind-dynamic.h" 127 #include "libunwind-common.h" 128 129 #define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext) 130 #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) 131 132 extern int unw_tdep_getcontext (unw_tdep_context_t *); 133 extern int unw_tdep_is_fpreg (int); 134 135 #if defined(__cplusplus) || defined(c_plusplus) 136 } 137 #endif 138 139 #endif /* LIBUNWIND_H */ 140
