//===---------------------------- libunwind.h -----------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // // // Compatible with libunwind API documented at: // http://www.nongnu.org/libunwind/man/libunwind(3).html // //===----------------------------------------------------------------------===// #ifndef __LIBUNWIND__ #define __LIBUNWIND__ #include <__libunwind_config.h> #include #include #ifdef __APPLE__ #if __clang__ #if __has_include() #include #endif #elif __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 #include #endif #ifdef __arm__ #define LIBUNWIND_AVAIL __attribute__((unavailable)) #elif defined(__OSX_AVAILABLE_STARTING) #define LIBUNWIND_AVAIL __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_5_0) #else #include #ifdef AVAILABLE_MAC_OS_X_VERSION_10_6_AND_LATER #define LIBUNWIND_AVAIL AVAILABLE_MAC_OS_X_VERSION_10_6_AND_LATER #else #define LIBUNWIND_AVAIL __attribute__((unavailable)) #endif #endif #else #define LIBUNWIND_AVAIL #endif /* error codes */ enum { UNW_ESUCCESS = 0, /* no error */ UNW_EUNSPEC = -6540, /* unspecified (general) error */ UNW_ENOMEM = -6541, /* out of memory */ UNW_EBADREG = -6542, /* bad register number */ UNW_EREADONLYREG = -6543, /* attempt to write read-only register */ UNW_ESTOPUNWIND = -6544, /* stop unwinding */ UNW_EINVALIDIP = -6545, /* invalid IP */ UNW_EBADFRAME = -6546, /* bad frame */ UNW_EINVAL = -6547, /* unsupported operation or bad value */ UNW_EBADVERSION = -6548, /* unwind info has unsupported version */ UNW_ENOINFO = -6549 /* no unwind info found */ }; struct unw_context_t { uint64_t data[_LIBUNWIND_CONTEXT_SIZE]; }; typedef struct unw_context_t unw_context_t; struct unw_cursor_t { uint64_t data[_LIBUNWIND_CURSOR_SIZE]; }; typedef struct unw_cursor_t unw_cursor_t; typedef struct unw_addr_space *unw_addr_space_t; typedef int unw_regnum_t; #if defined(_LIBUNWIND_ARM_EHABI) typedef uint32_t unw_word_t; typedef uint64_t unw_fpreg_t; #else typedef uint64_t unw_word_t; typedef double unw_fpreg_t; #endif struct unw_proc_info_t { unw_word_t start_ip; /* start address of function */ unw_word_t end_ip; /* address after end of function */ unw_word_t lsda; /* address of language specific data area, */ /* or zero if not used */ unw_word_t handler; /* personality routine, or zero if not used */ unw_word_t gp; /* not used */ unw_word_t flags; /* not used */ uint32_t format; /* compact unwind encoding, or zero if none */ uint32_t unwind_info_size; /* size of DWARF unwind info, or zero if none */ unw_word_t unwind_info; /* address of DWARF unwind info, or zero */ unw_word_t extra; /* mach_header of mach-o image containing func */ }; typedef struct unw_proc_info_t unw_proc_info_t; #ifdef __cplusplus extern "C" { #endif extern int unw_getcontext(unw_context_t *) LIBUNWIND_AVAIL; extern int unw_init_local(unw_cursor_t *, unw_context_t *) LIBUNWIND_AVAIL; extern int unw_step(unw_cursor_t *) LIBUNWIND_AVAIL; extern int unw_get_reg(unw_cursor_t *, unw_regnum_t, unw_word_t *) LIBUNWIND_AVAIL; extern int unw_get_fpreg(unw_cursor_t *, unw_regnum_t, unw_fpreg_t *) LIBUNWIND_AVAIL; extern int unw_set_reg(unw_cursor_t *, unw_regnum_t, unw_word_t) LIBUNWIND_AVAIL; extern int unw_set_fpreg(unw_cursor_t *, unw_regnum_t, unw_fpreg_t) LIBUNWIND_AVAIL; extern int unw_resume(unw_cursor_t *) LIBUNWIND_AVAIL; #ifdef __arm__ /* Save VFP registers in FSTMX format (instead of FSTMD). */ extern void unw_save_vfp_as_X(unw_cursor_t *) LIBUNWIND_AVAIL; #endif extern const char *unw_regname(unw_cursor_t *, unw_regnum_t) LIBUNWIND_AVAIL; extern int unw_get_proc_info(unw_cursor_t *, unw_proc_info_t *) LIBUNWIND_AVAIL; extern int unw_is_fpreg(unw_cursor_t *, unw_regnum_t) LIBUNWIND_AVAIL; extern int unw_is_signal_frame(unw_cursor_t *) LIBUNWIND_AVAIL; extern int unw_get_proc_name(unw_cursor_t *, char *, size_t, unw_word_t *) LIBUNWIND_AVAIL; //extern int unw_get_save_loc(unw_cursor_t*, int, unw_save_loc_t*); extern unw_addr_space_t unw_local_addr_space; #ifdef UNW_REMOTE /* * Mac OS X "remote" API for unwinding other processes on same machine * */ extern unw_addr_space_t unw_create_addr_space_for_task(task_t); extern void unw_destroy_addr_space(unw_addr_space_t); extern int unw_init_remote_thread(unw_cursor_t *, unw_addr_space_t, thread_t *); #endif /* UNW_REMOTE */ /* * traditional libunwind "remote" API * NOT IMPLEMENTED on Mac OS X * * extern int unw_init_remote(unw_cursor_t*, unw_addr_space_t, * thread_t*); * extern unw_accessors_t unw_get_accessors(unw_addr_space_t); * extern unw_addr_space_t unw_create_addr_space(unw_accessors_t, int); * extern void unw_flush_cache(unw_addr_space_t, unw_word_t, * unw_word_t); * extern int unw_set_caching_policy(unw_addr_space_t, * unw_caching_policy_t); * extern void _U_dyn_register(unw_dyn_info_t*); * extern void _U_dyn_cancel(unw_dyn_info_t*); */ #ifdef __cplusplus } #endif // architecture independent register numbers enum { UNW_REG_IP = -1, // instruction pointer UNW_REG_SP = -2, // stack pointer }; // 32-bit x86 registers enum { UNW_X86_EAX = 0, UNW_X86_ECX = 1, UNW_X86_EDX = 2, UNW_X86_EBX = 3, UNW_X86_EBP = 4, UNW_X86_ESP = 5, UNW_X86_ESI = 6, UNW_X86_EDI = 7 }; // 64-bit x86_64 registers enum { UNW_X86_64_RAX = 0, UNW_X86_64_RDX = 1, UNW_X86_64_RCX = 2, UNW_X86_64_RBX = 3, UNW_X86_64_RSI = 4, UNW_X86_64_RDI = 5, UNW_X86_64_RBP = 6, UNW_X86_64_RSP = 7, UNW_X86_64_R8 = 8, UNW_X86_64_R9 = 9, UNW_X86_64_R10 = 10, UNW_X86_64_R11 = 11, UNW_X86_64_R12 = 12, UNW_X86_64_R13 = 13, UNW_X86_64_R14 = 14, UNW_X86_64_R15 = 15 }; // 32-bit ppc register numbers enum { UNW_PPC_R0 = 0, UNW_PPC_R1 = 1, UNW_PPC_R2 = 2, UNW_PPC_R3 = 3, UNW_PPC_R4 = 4, UNW_PPC_R5 = 5, UNW_PPC_R6 = 6, UNW_PPC_R7 = 7, UNW_PPC_R8 = 8, UNW_PPC_R9 = 9, UNW_PPC_R10 = 10, UNW_PPC_R11 = 11, UNW_PPC_R12 = 12, UNW_PPC_R13 = 13, UNW_PPC_R14 = 14, UNW_PPC_R15 = 15, UNW_PPC_R16 = 16, UNW_PPC_R17 = 17, UNW_PPC_R18 = 18, UNW_PPC_R19 = 19, UNW_PPC_R20 = 20, UNW_PPC_R21 = 21, UNW_PPC_R22 = 22, UNW_PPC_R23 = 23, UNW_PPC_R24 = 24, UNW_PPC_R25 = 25, UNW_PPC_R26 = 26, UNW_PPC_R27 = 27, UNW_PPC_R28 = 28, UNW_PPC_R29 = 29, UNW_PPC_R30 = 30, UNW_PPC_R31 = 31, UNW_PPC_F0 = 32, UNW_PPC_F1 = 33, UNW_PPC_F2 = 34, UNW_PPC_F3 = 35, UNW_PPC_F4 = 36, UNW_PPC_F5 = 37, UNW_PPC_F6 = 38, UNW_PPC_F7 = 39, UNW_PPC_F8 = 40, UNW_PPC_F9 = 41, UNW_PPC_F10 = 42, UNW_PPC_F11 = 43, UNW_PPC_F12 = 44, UNW_PPC_F13 = 45, UNW_PPC_F14 = 46, UNW_PPC_F15 = 47, UNW_PPC_F16 = 48, UNW_PPC_F17 = 49, UNW_PPC_F18 = 50, UNW_PPC_F19 = 51, UNW_PPC_F20 = 52, UNW_PPC_F21 = 53, UNW_PPC_F22 = 54, UNW_PPC_F23 = 55, UNW_PPC_F24 = 56, UNW_PPC_F25 = 57, UNW_PPC_F26 = 58, UNW_PPC_F27 = 59, UNW_PPC_F28 = 60, UNW_PPC_F29 = 61, UNW_PPC_F30 = 62, UNW_PPC_F31 = 63, UNW_PPC_MQ = 64, UNW_PPC_LR = 65, UNW_PPC_CTR = 66, UNW_PPC_AP = 67, UNW_PPC_CR0 = 68, UNW_PPC_CR1 = 69, UNW_PPC_CR2 = 70, UNW_PPC_CR3 = 71, UNW_PPC_CR4 = 72, UNW_PPC_CR5 = 73, UNW_PPC_CR6 = 74, UNW_PPC_CR7 = 75, UNW_PPC_XER = 76, UNW_PPC_V0 = 77, UNW_PPC_V1 = 78, UNW_PPC_V2 = 79, UNW_PPC_V3 = 80, UNW_PPC_V4 = 81, UNW_PPC_V5 = 82, UNW_PPC_V6 = 83, UNW_PPC_V7 = 84, UNW_PPC_V8 = 85, UNW_PPC_V9 = 86, UNW_PPC_V10 = 87, UNW_PPC_V11 = 88, UNW_PPC_V12 = 89, UNW_PPC_V13 = 90, UNW_PPC_V14 = 91, UNW_PPC_V15 = 92, UNW_PPC_V16 = 93, UNW_PPC_V17 = 94, UNW_PPC_V18 = 95, UNW_PPC_V19 = 96, UNW_PPC_V20 = 97, UNW_PPC_V21 = 98, UNW_PPC_V22 = 99, UNW_PPC_V23 = 100, UNW_PPC_V24 = 101, UNW_PPC_V25 = 102, UNW_PPC_V26 = 103, UNW_PPC_V27 = 104, UNW_PPC_V28 = 105, UNW_PPC_V29 = 106, UNW_PPC_V30 = 107, UNW_PPC_V31 = 108, UNW_PPC_VRSAVE = 109, UNW_PPC_VSCR = 110, UNW_PPC_SPE_ACC = 111, UNW_PPC_SPEFSCR = 112 }; // 64-bit ARM64 registers enum { UNW_ARM64_X0 = 0, UNW_ARM64_X1 = 1, UNW_ARM64_X2 = 2, UNW_ARM64_X3 = 3, UNW_ARM64_X4 = 4, UNW_ARM64_X5 = 5, UNW_ARM64_X6 = 6, UNW_ARM64_X7 = 7, UNW_ARM64_X8 = 8, UNW_ARM64_X9 = 9, UNW_ARM64_X10 = 10, UNW_ARM64_X11 = 11, UNW_ARM64_X12 = 12, UNW_ARM64_X13 = 13, UNW_ARM64_X14 = 14, UNW_ARM64_X15 = 15, UNW_ARM64_X16 = 16, UNW_ARM64_X17 = 17, UNW_ARM64_X18 = 18, UNW_ARM64_X19 = 19, UNW_ARM64_X20 = 20, UNW_ARM64_X21 = 21, UNW_ARM64_X22 = 22, UNW_ARM64_X23 = 23, UNW_ARM64_X24 = 24, UNW_ARM64_X25 = 25, UNW_ARM64_X26 = 26, UNW_ARM64_X27 = 27, UNW_ARM64_X28 = 28, UNW_ARM64_X29 = 29, UNW_ARM64_FP = 29, UNW_ARM64_X30 = 30, UNW_ARM64_LR = 30, UNW_ARM64_X31 = 31, UNW_ARM64_SP = 31, // reserved block UNW_ARM64_D0 = 64, UNW_ARM64_D1 = 65, UNW_ARM64_D2 = 66, UNW_ARM64_D3 = 67, UNW_ARM64_D4 = 68, UNW_ARM64_D5 = 69, UNW_ARM64_D6 = 70, UNW_ARM64_D7 = 71, UNW_ARM64_D8 = 72, UNW_ARM64_D9 = 73, UNW_ARM64_D10 = 74, UNW_ARM64_D11 = 75, UNW_ARM64_D12 = 76, UNW_ARM64_D13 = 77, UNW_ARM64_D14 = 78, UNW_ARM64_D15 = 79, UNW_ARM64_D16 = 80, UNW_ARM64_D17 = 81, UNW_ARM64_D18 = 82, UNW_ARM64_D19 = 83, UNW_ARM64_D20 = 84, UNW_ARM64_D21 = 85, UNW_ARM64_D22 = 86, UNW_ARM64_D23 = 87, UNW_ARM64_D24 = 88, UNW_ARM64_D25 = 89, UNW_ARM64_D26 = 90, UNW_ARM64_D27 = 91, UNW_ARM64_D28 = 92, UNW_ARM64_D29 = 93, UNW_ARM64_D30 = 94, UNW_ARM64_D31 = 95, }; // 32-bit ARM registers. Numbers match DWARF for ARM spec #3.1 Table 1. // Naming scheme uses recommendations given in Note 4 for VFP-v2 and VFP-v3. // In this scheme, even though the 64-bit floating point registers D0-D31 // overlap physically with the 32-bit floating pointer registers S0-S31, // they are given a non-overlapping range of register numbers. // // Commented out ranges are not preserved during unwinding. enum { UNW_ARM_R0 = 0, UNW_ARM_R1 = 1, UNW_ARM_R2 = 2, UNW_ARM_R3 = 3, UNW_ARM_R4 = 4, UNW_ARM_R5 = 5, UNW_ARM_R6 = 6, UNW_ARM_R7 = 7, UNW_ARM_R8 = 8, UNW_ARM_R9 = 9, UNW_ARM_R10 = 10, UNW_ARM_R11 = 11, UNW_ARM_R12 = 12, UNW_ARM_SP = 13, // Logical alias for UNW_REG_SP UNW_ARM_R13 = 13, UNW_ARM_LR = 14, UNW_ARM_R14 = 14, UNW_ARM_IP = 15, // Logical alias for UNW_REG_IP UNW_ARM_R15 = 15, // 16-63 -- OBSOLETE. Used in VFP1 to represent both S0-S31 and D0-D31. UNW_ARM_S0 = 64, UNW_ARM_S1 = 65, UNW_ARM_S2 = 66, UNW_ARM_S3 = 67, UNW_ARM_S4 = 68, UNW_ARM_S5 = 69, UNW_ARM_S6 = 70, UNW_ARM_S7 = 71, UNW_ARM_S8 = 72, UNW_ARM_S9 = 73, UNW_ARM_S10 = 74, UNW_ARM_S11 = 75, UNW_ARM_S12 = 76, UNW_ARM_S13 = 77, UNW_ARM_S14 = 78, UNW_ARM_S15 = 79, UNW_ARM_S16 = 80, UNW_ARM_S17 = 81, UNW_ARM_S18 = 82, UNW_ARM_S19 = 83, UNW_ARM_S20 = 84, UNW_ARM_S21 = 85, UNW_ARM_S22 = 86, UNW_ARM_S23 = 87, UNW_ARM_S24 = 88, UNW_ARM_S25 = 89, UNW_ARM_S26 = 90, UNW_ARM_S27 = 91, UNW_ARM_S28 = 92, UNW_ARM_S29 = 93, UNW_ARM_S30 = 94, UNW_ARM_S31 = 95, // 96-103 -- OBSOLETE. F0-F7. Used by the FPA system. Superseded by VFP. // 104-111 -- wCGR0-wCGR7, ACC0-ACC7 (Intel wireless MMX) UNW_ARM_WR0 = 112, UNW_ARM_WR1 = 113, UNW_ARM_WR2 = 114, UNW_ARM_WR3 = 115, UNW_ARM_WR4 = 116, UNW_ARM_WR5 = 117, UNW_ARM_WR6 = 118, UNW_ARM_WR7 = 119, UNW_ARM_WR8 = 120, UNW_ARM_WR9 = 121, UNW_ARM_WR10 = 122, UNW_ARM_WR11 = 123, UNW_ARM_WR12 = 124, UNW_ARM_WR13 = 125, UNW_ARM_WR14 = 126, UNW_ARM_WR15 = 127, // 128-133 -- SPSR, SPSR_{FIQ|IRQ|ABT|UND|SVC} // 134-143 -- Reserved // 144-150 -- R8_USR-R14_USR // 151-157 -- R8_FIQ-R14_FIQ // 158-159 -- R13_IRQ-R14_IRQ // 160-161 -- R13_ABT-R14_ABT // 162-163 -- R13_UND-R14_UND // 164-165 -- R13_SVC-R14_SVC // 166-191 -- Reserved UNW_ARM_WC0 = 192, UNW_ARM_WC1 = 193, UNW_ARM_WC2 = 194, UNW_ARM_WC3 = 195, // 196-199 -- wC4-wC7 (Intel wireless MMX control) // 200-255 -- Reserved UNW_ARM_D0 = 256, UNW_ARM_D1 = 257, UNW_ARM_D2 = 258, UNW_ARM_D3 = 259, UNW_ARM_D4 = 260, UNW_ARM_D5 = 261, UNW_ARM_D6 = 262, UNW_ARM_D7 = 263, UNW_ARM_D8 = 264, UNW_ARM_D9 = 265, UNW_ARM_D10 = 266, UNW_ARM_D11 = 267, UNW_ARM_D12 = 268, UNW_ARM_D13 = 269, UNW_ARM_D14 = 270, UNW_ARM_D15 = 271, UNW_ARM_D16 = 272, UNW_ARM_D17 = 273, UNW_ARM_D18 = 274, UNW_ARM_D19 = 275, UNW_ARM_D20 = 276, UNW_ARM_D21 = 277, UNW_ARM_D22 = 278, UNW_ARM_D23 = 279, UNW_ARM_D24 = 280, UNW_ARM_D25 = 281, UNW_ARM_D26 = 282, UNW_ARM_D27 = 283, UNW_ARM_D28 = 284, UNW_ARM_D29 = 285, UNW_ARM_D30 = 286, UNW_ARM_D31 = 287, // 288-319 -- Reserved for VFP/Neon // 320-8191 -- Reserved // 8192-16383 -- Unspecified vendor co-processor register. }; // OpenRISC1000 register numbers enum { UNW_OR1K_R0 = 0, UNW_OR1K_R1 = 1, UNW_OR1K_R2 = 2, UNW_OR1K_R3 = 3, UNW_OR1K_R4 = 4, UNW_OR1K_R5 = 5, UNW_OR1K_R6 = 6, UNW_OR1K_R7 = 7, UNW_OR1K_R8 = 8, UNW_OR1K_R9 = 9, UNW_OR1K_R10 = 10, UNW_OR1K_R11 = 11, UNW_OR1K_R12 = 12, UNW_OR1K_R13 = 13, UNW_OR1K_R14 = 14, UNW_OR1K_R15 = 15, UNW_OR1K_R16 = 16, UNW_OR1K_R17 = 17, UNW_OR1K_R18 = 18, UNW_OR1K_R19 = 19, UNW_OR1K_R20 = 20, UNW_OR1K_R21 = 21, UNW_OR1K_R22 = 22, UNW_OR1K_R23 = 23, UNW_OR1K_R24 = 24, UNW_OR1K_R25 = 25, UNW_OR1K_R26 = 26, UNW_OR1K_R27 = 27, UNW_OR1K_R28 = 28, UNW_OR1K_R29 = 29, UNW_OR1K_R30 = 30, UNW_OR1K_R31 = 31, }; #endif