1 /* libunwind - a platform-independent unwind library 2 Copyright (C) 2006-2007 IBM 3 Contributed by 4 Corey Ashford <cjashfor@us.ibm.com> 5 Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.com> 6 7 Permission is hereby granted, free of charge, to any person obtaining 8 a copy of this software and associated documentation files (the 9 "Software"), to deal in the Software without restriction, including 10 without limitation the rights to use, copy, modify, merge, publish, 11 distribute, sublicense, and/or sell copies of the Software, and to 12 permit persons to whom the Software is furnished to do so, subject to 13 the following conditions: 14 15 The above copyright notice and this permission notice shall be 16 included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 25 26 #ifndef ucontext_i_h 27 #define ucontext_i_h 28 29 #include <ucontext.h> 30 31 #if defined(__linux__) 32 /* These values were derived by reading 33 /usr/src/linux-2.6.18-1.8/arch/um/include/sysdep-ppc/ptrace.h and 34 /usr/src/linux-2.6.18-1.8/arch/powerpc/kernel/ppc32.h 35 */ 36 37 #define NIP_IDX 32 38 #define MSR_IDX 33 39 #define ORIG_GPR3_IDX 34 40 #define CTR_IDX 35 41 #define LINK_IDX 36 42 #define XER_IDX 37 43 #define CCR_IDX 38 44 #define SOFTE_IDX 39 45 #define TRAP_IDX 40 46 #define DAR_IDX 41 47 #define DSISR_IDX 42 48 #define RESULT_IDX 43 49 50 #define VSCR_IDX 32 51 #define VRSAVE_IDX 33 52 53 #define UC_MCONTEXT_V_REGS ( ((void *)&dmy_ctxt.uc_mcontext.v_regs - (void *)&dmy_ctxt) ) 54 55 #define _UC_MCONTEXT_GPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.gp_regs[x] - (void *)&dmy_ctxt) ) 56 #define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.fp_regs[x] - (void *)&dmy_ctxt) ) 57 #define _UC_MCONTEXT_VR(x) ( ((void *)&dmy_vrregset.vrregs[x] - (void *)&dmy_vrregset) ) 58 59 /* These are dummy structures used only for obtaining the offsets of the 60 various structure members. */ 61 static ucontext_t dmy_ctxt; 62 static vrregset_t dmy_vrregset; 63 64 #elif defined(__FreeBSD__) 65 /* See /usr/src/sys/powerpc/include/ucontext.h. 66 FreeBSD uses a different structure than Linux. 67 */ 68 69 #define NIP_IDX 36 70 #define MSR_IDX 37 71 //#define ORIG_GPR3_IDX 72 #define CTR_IDX 35 73 #define LINK_IDX 32 74 #define XER_IDX 34 75 #define CCR_IDX 33 76 //#define SOFTE_IDX 77 //#define TRAP_IDX 78 #define DAR_IDX 39 79 #define DSISR_IDX 40 80 //#define RESULT_IDX 81 82 #define UC_MCONTEXT_V_REGS (((void *)&dmy_ctxt.mc_avec - (void *)&dmy_ctxt)) 83 84 #define _UC_MCONTEXT_GPR(_x) ( ((void *)&dmy_ctxt.mc_gpr[_x] - (void *)&dmy_ctxt) ) 85 #define _UC_MCONTEXT_FPR(_x) ( ((void *)&dmy_ctxt.mc_fpreg[_x] - (void *)&dmy_ctxt) ) 86 #define _UC_MCONTEXT_VR(_x) ( ((void *)&dmy_ctxt.mc_avec[_x] - (void *)&dmy_ctxt.mc_avec) ) 87 88 /* These are dummy structures used only for obtaining the offsets of the 89 various structure members. */ 90 static struct __mcontext dmy_ctxt; 91 92 #else 93 #error "Not implemented!" 94 #endif 95 96 #define UC_MCONTEXT_GREGS_R0 _UC_MCONTEXT_GPR(0) 97 #define UC_MCONTEXT_GREGS_R1 _UC_MCONTEXT_GPR(1) 98 #define UC_MCONTEXT_GREGS_R2 _UC_MCONTEXT_GPR(2) 99 #define UC_MCONTEXT_GREGS_R3 _UC_MCONTEXT_GPR(3) 100 #define UC_MCONTEXT_GREGS_R4 _UC_MCONTEXT_GPR(4) 101 #define UC_MCONTEXT_GREGS_R5 _UC_MCONTEXT_GPR(5) 102 #define UC_MCONTEXT_GREGS_R6 _UC_MCONTEXT_GPR(6) 103 #define UC_MCONTEXT_GREGS_R7 _UC_MCONTEXT_GPR(7) 104 #define UC_MCONTEXT_GREGS_R8 _UC_MCONTEXT_GPR(8) 105 #define UC_MCONTEXT_GREGS_R9 _UC_MCONTEXT_GPR(9) 106 #define UC_MCONTEXT_GREGS_R10 _UC_MCONTEXT_GPR(10) 107 #define UC_MCONTEXT_GREGS_R11 _UC_MCONTEXT_GPR(11) 108 #define UC_MCONTEXT_GREGS_R12 _UC_MCONTEXT_GPR(12) 109 #define UC_MCONTEXT_GREGS_R13 _UC_MCONTEXT_GPR(13) 110 #define UC_MCONTEXT_GREGS_R14 _UC_MCONTEXT_GPR(14) 111 #define UC_MCONTEXT_GREGS_R15 _UC_MCONTEXT_GPR(15) 112 #define UC_MCONTEXT_GREGS_R16 _UC_MCONTEXT_GPR(16) 113 #define UC_MCONTEXT_GREGS_R17 _UC_MCONTEXT_GPR(17) 114 #define UC_MCONTEXT_GREGS_R18 _UC_MCONTEXT_GPR(18) 115 #define UC_MCONTEXT_GREGS_R19 _UC_MCONTEXT_GPR(19) 116 #define UC_MCONTEXT_GREGS_R20 _UC_MCONTEXT_GPR(20) 117 #define UC_MCONTEXT_GREGS_R21 _UC_MCONTEXT_GPR(21) 118 #define UC_MCONTEXT_GREGS_R22 _UC_MCONTEXT_GPR(22) 119 #define UC_MCONTEXT_GREGS_R23 _UC_MCONTEXT_GPR(23) 120 #define UC_MCONTEXT_GREGS_R24 _UC_MCONTEXT_GPR(24) 121 #define UC_MCONTEXT_GREGS_R25 _UC_MCONTEXT_GPR(25) 122 #define UC_MCONTEXT_GREGS_R26 _UC_MCONTEXT_GPR(26) 123 #define UC_MCONTEXT_GREGS_R27 _UC_MCONTEXT_GPR(27) 124 #define UC_MCONTEXT_GREGS_R28 _UC_MCONTEXT_GPR(28) 125 #define UC_MCONTEXT_GREGS_R29 _UC_MCONTEXT_GPR(29) 126 #define UC_MCONTEXT_GREGS_R30 _UC_MCONTEXT_GPR(30) 127 #define UC_MCONTEXT_GREGS_R31 _UC_MCONTEXT_GPR(31) 128 #define UC_MCONTEXT_GREGS_NIP _UC_MCONTEXT_GPR(NIP_IDX) 129 #define UC_MCONTEXT_GREGS_MSR _UC_MCONTEXT_GPR(MSR_IDX) 130 #ifdef ORIG_GPR3_IDX 131 #define UC_MCONTEXT_GREGS_ORIG_GPR3 _UC_MCONTEXT_GPR(ORIG_GPR3_IDX) 132 #endif 133 #define UC_MCONTEXT_GREGS_CTR _UC_MCONTEXT_GPR(CTR_IDX) 134 #define UC_MCONTEXT_GREGS_LINK _UC_MCONTEXT_GPR(LINK_IDX) 135 #define UC_MCONTEXT_GREGS_XER _UC_MCONTEXT_GPR(XER_IDX) 136 #define UC_MCONTEXT_GREGS_CCR _UC_MCONTEXT_GPR(CCR_IDX) 137 #ifdef SOFTE_IDX 138 #define UC_MCONTEXT_GREGS_SOFTE _UC_MCONTEXT_GPR(SOFTE_IDX) 139 #endif 140 #ifdef TRAP_IDX 141 #define UC_MCONTEXT_GREGS_TRAP _UC_MCONTEXT_GPR(TRAP_IDX) 142 #endif 143 #define UC_MCONTEXT_GREGS_DAR _UC_MCONTEXT_GPR(DAR_IDX) 144 #define UC_MCONTEXT_GREGS_DSISR _UC_MCONTEXT_GPR(DSISR_IDX) 145 #ifdef RESULT_IDX 146 #define UC_MCONTEXT_GREGS_RESULT _UC_MCONTEXT_GPR(RESULT_IDX) 147 #endif 148 149 #define UC_MCONTEXT_FREGS_R0 _UC_MCONTEXT_FPR(0) 150 #define UC_MCONTEXT_FREGS_R1 _UC_MCONTEXT_FPR(1) 151 #define UC_MCONTEXT_FREGS_R2 _UC_MCONTEXT_FPR(2) 152 #define UC_MCONTEXT_FREGS_R3 _UC_MCONTEXT_FPR(3) 153 #define UC_MCONTEXT_FREGS_R4 _UC_MCONTEXT_FPR(4) 154 #define UC_MCONTEXT_FREGS_R5 _UC_MCONTEXT_FPR(5) 155 #define UC_MCONTEXT_FREGS_R6 _UC_MCONTEXT_FPR(6) 156 #define UC_MCONTEXT_FREGS_R7 _UC_MCONTEXT_FPR(7) 157 #define UC_MCONTEXT_FREGS_R8 _UC_MCONTEXT_FPR(8) 158 #define UC_MCONTEXT_FREGS_R9 _UC_MCONTEXT_FPR(9) 159 #define UC_MCONTEXT_FREGS_R10 _UC_MCONTEXT_FPR(10) 160 #define UC_MCONTEXT_FREGS_R11 _UC_MCONTEXT_FPR(11) 161 #define UC_MCONTEXT_FREGS_R12 _UC_MCONTEXT_FPR(12) 162 #define UC_MCONTEXT_FREGS_R13 _UC_MCONTEXT_FPR(13) 163 #define UC_MCONTEXT_FREGS_R14 _UC_MCONTEXT_FPR(14) 164 #define UC_MCONTEXT_FREGS_R15 _UC_MCONTEXT_FPR(15) 165 #define UC_MCONTEXT_FREGS_R16 _UC_MCONTEXT_FPR(16) 166 #define UC_MCONTEXT_FREGS_R17 _UC_MCONTEXT_FPR(17) 167 #define UC_MCONTEXT_FREGS_R18 _UC_MCONTEXT_FPR(18) 168 #define UC_MCONTEXT_FREGS_R19 _UC_MCONTEXT_FPR(19) 169 #define UC_MCONTEXT_FREGS_R20 _UC_MCONTEXT_FPR(20) 170 #define UC_MCONTEXT_FREGS_R21 _UC_MCONTEXT_FPR(21) 171 #define UC_MCONTEXT_FREGS_R22 _UC_MCONTEXT_FPR(22) 172 #define UC_MCONTEXT_FREGS_R23 _UC_MCONTEXT_FPR(23) 173 #define UC_MCONTEXT_FREGS_R24 _UC_MCONTEXT_FPR(24) 174 #define UC_MCONTEXT_FREGS_R25 _UC_MCONTEXT_FPR(25) 175 #define UC_MCONTEXT_FREGS_R26 _UC_MCONTEXT_FPR(26) 176 #define UC_MCONTEXT_FREGS_R27 _UC_MCONTEXT_FPR(27) 177 #define UC_MCONTEXT_FREGS_R28 _UC_MCONTEXT_FPR(28) 178 #define UC_MCONTEXT_FREGS_R29 _UC_MCONTEXT_FPR(29) 179 #define UC_MCONTEXT_FREGS_R30 _UC_MCONTEXT_FPR(30) 180 #define UC_MCONTEXT_FREGS_R31 _UC_MCONTEXT_FPR(31) 181 #define UC_MCONTEXT_FREGS_FPSCR _UC_MCONTEXT_FPR(32) 182 183 184 #define UC_MCONTEXT_VREGS_R0 _UC_MCONTEXT_VR(0) 185 #define UC_MCONTEXT_VREGS_R1 _UC_MCONTEXT_VR(1) 186 #define UC_MCONTEXT_VREGS_R2 _UC_MCONTEXT_VR(2) 187 #define UC_MCONTEXT_VREGS_R3 _UC_MCONTEXT_VR(3) 188 #define UC_MCONTEXT_VREGS_R4 _UC_MCONTEXT_VR(4) 189 #define UC_MCONTEXT_VREGS_R5 _UC_MCONTEXT_VR(5) 190 #define UC_MCONTEXT_VREGS_R6 _UC_MCONTEXT_VR(6) 191 #define UC_MCONTEXT_VREGS_R7 _UC_MCONTEXT_VR(7) 192 #define UC_MCONTEXT_VREGS_R8 _UC_MCONTEXT_VR(8) 193 #define UC_MCONTEXT_VREGS_R9 _UC_MCONTEXT_VR(9) 194 #define UC_MCONTEXT_VREGS_R10 _UC_MCONTEXT_VR(10) 195 #define UC_MCONTEXT_VREGS_R11 _UC_MCONTEXT_VR(11) 196 #define UC_MCONTEXT_VREGS_R12 _UC_MCONTEXT_VR(12) 197 #define UC_MCONTEXT_VREGS_R13 _UC_MCONTEXT_VR(13) 198 #define UC_MCONTEXT_VREGS_R14 _UC_MCONTEXT_VR(14) 199 #define UC_MCONTEXT_VREGS_R15 _UC_MCONTEXT_VR(15) 200 #define UC_MCONTEXT_VREGS_R16 _UC_MCONTEXT_VR(16) 201 #define UC_MCONTEXT_VREGS_R17 _UC_MCONTEXT_VR(17) 202 #define UC_MCONTEXT_VREGS_R18 _UC_MCONTEXT_VR(18) 203 #define UC_MCONTEXT_VREGS_R19 _UC_MCONTEXT_VR(19) 204 #define UC_MCONTEXT_VREGS_R20 _UC_MCONTEXT_VR(20) 205 #define UC_MCONTEXT_VREGS_R21 _UC_MCONTEXT_VR(21) 206 #define UC_MCONTEXT_VREGS_R22 _UC_MCONTEXT_VR(22) 207 #define UC_MCONTEXT_VREGS_R23 _UC_MCONTEXT_VR(23) 208 #define UC_MCONTEXT_VREGS_R24 _UC_MCONTEXT_VR(24) 209 #define UC_MCONTEXT_VREGS_R25 _UC_MCONTEXT_VR(25) 210 #define UC_MCONTEXT_VREGS_R26 _UC_MCONTEXT_VR(26) 211 #define UC_MCONTEXT_VREGS_R27 _UC_MCONTEXT_VR(27) 212 #define UC_MCONTEXT_VREGS_R28 _UC_MCONTEXT_VR(28) 213 #define UC_MCONTEXT_VREGS_R29 _UC_MCONTEXT_VR(29) 214 #define UC_MCONTEXT_VREGS_R30 _UC_MCONTEXT_VR(30) 215 #define UC_MCONTEXT_VREGS_R31 _UC_MCONTEXT_VR(31) 216 #if defined(__linux__) 217 #define UC_MCONTEXT_VREGS_VSCR ((void *)&dmy_vrregset.vscr - (void *)&dmy_vrregset) 218 #define UC_MCONTEXT_VREGS_VRSAVE ((void *)&dmy_vrregset.vrsave - (void *)&dmy_vrregset) 219 #elif defined(__FreeBSD__) 220 #define UC_MCONTEXT_VREGS_VSCR ((void *)&dmy_ctxt.mc_av[0] - (void *)&dmy_ctxt) 221 #define UC_MCONTEXT_VREGS_VRSAVE ((void *)&dmy_ctxt.mc_av[1] - (void *)&dmy_ctxt) 222 #else 223 #error "Not implemented!" 224 #endif 225 226 #endif 227