diff options
Diffstat (limited to 'lib/clang/11.0.0/include/unwind.h')
| -rw-r--r-- | lib/clang/11.0.0/include/unwind.h | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/lib/clang/11.0.0/include/unwind.h b/lib/clang/11.0.0/include/unwind.h deleted file mode 100644 index 029524b..0000000 --- a/lib/clang/11.0.0/include/unwind.h +++ /dev/null @@ -1,327 +0,0 @@ -/*===---- unwind.h - Stack unwinding ----------------------------------------=== - * - * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. - * See https://llvm.org/LICENSE.txt for license information. - * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception - * - *===-----------------------------------------------------------------------=== - */ - -/* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/ - -#ifndef __CLANG_UNWIND_H -#define __CLANG_UNWIND_H - -#if defined(__APPLE__) && __has_include_next(<unwind.h>) -/* Darwin (from 11.x on) provide an unwind.h. If that's available, - * use it. libunwind wraps some of its definitions in #ifdef _GNU_SOURCE, - * so define that around the include.*/ -# ifndef _GNU_SOURCE -# define _SHOULD_UNDEFINE_GNU_SOURCE -# define _GNU_SOURCE -# endif -// libunwind's unwind.h reflects the current visibility. However, Mozilla -// builds with -fvisibility=hidden and relies on gcc's unwind.h to reset the -// visibility to default and export its contents. gcc also allows users to -// override its override by #defining HIDE_EXPORTS (but note, this only obeys -// the user's -fvisibility setting; it doesn't hide any exports on its own). We -// imitate gcc's header here: -# ifdef HIDE_EXPORTS -# include_next <unwind.h> -# else -# pragma GCC visibility push(default) -# include_next <unwind.h> -# pragma GCC visibility pop -# endif -# ifdef _SHOULD_UNDEFINE_GNU_SOURCE -# undef _GNU_SOURCE -# undef _SHOULD_UNDEFINE_GNU_SOURCE -# endif -#else - -#include <stdint.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/* It is a bit strange for a header to play with the visibility of the - symbols it declares, but this matches gcc's behavior and some programs - depend on it */ -#ifndef HIDE_EXPORTS -#pragma GCC visibility push(default) -#endif - -typedef uintptr_t _Unwind_Word __attribute__((__mode__(__unwind_word__))); -typedef intptr_t _Unwind_Sword __attribute__((__mode__(__unwind_word__))); -typedef uintptr_t _Unwind_Ptr; -typedef uintptr_t _Unwind_Internal_Ptr; -typedef uint64_t _Unwind_Exception_Class; - -typedef intptr_t _sleb128_t; -typedef uintptr_t _uleb128_t; - -struct _Unwind_Context; -#if defined(__arm__) && !(defined(__USING_SJLJ_EXCEPTIONS__) || defined(__ARM_DWARF_EH__)) -struct _Unwind_Control_Block; -typedef struct _Unwind_Control_Block _Unwind_Exception; /* Alias */ -#else -struct _Unwind_Exception; -typedef struct _Unwind_Exception _Unwind_Exception; -#endif -typedef enum { - _URC_NO_REASON = 0, -#if defined(__arm__) && !defined(__USING_SJLJ_EXCEPTIONS__) && \ - !defined(__ARM_DWARF_EH__) - _URC_OK = 0, /* used by ARM EHABI */ -#endif - _URC_FOREIGN_EXCEPTION_CAUGHT = 1, - - _URC_FATAL_PHASE2_ERROR = 2, - _URC_FATAL_PHASE1_ERROR = 3, - _URC_NORMAL_STOP = 4, - - _URC_END_OF_STACK = 5, - _URC_HANDLER_FOUND = 6, - _URC_INSTALL_CONTEXT = 7, - _URC_CONTINUE_UNWIND = 8, -#if defined(__arm__) && !defined(__USING_SJLJ_EXCEPTIONS__) && \ - !defined(__ARM_DWARF_EH__) - _URC_FAILURE = 9 /* used by ARM EHABI */ -#endif -} _Unwind_Reason_Code; - -typedef enum { - _UA_SEARCH_PHASE = 1, - _UA_CLEANUP_PHASE = 2, - - _UA_HANDLER_FRAME = 4, - _UA_FORCE_UNWIND = 8, - _UA_END_OF_STACK = 16 /* gcc extension to C++ ABI */ -} _Unwind_Action; - -typedef void (*_Unwind_Exception_Cleanup_Fn)(_Unwind_Reason_Code, - _Unwind_Exception *); - -#if defined(__arm__) && !(defined(__USING_SJLJ_EXCEPTIONS__) || defined(__ARM_DWARF_EH__)) -typedef struct _Unwind_Control_Block _Unwind_Control_Block; -typedef uint32_t _Unwind_EHT_Header; - -struct _Unwind_Control_Block { - uint64_t exception_class; - void (*exception_cleanup)(_Unwind_Reason_Code, _Unwind_Control_Block *); - /* unwinder cache (private fields for the unwinder's use) */ - struct { - uint32_t reserved1; /* forced unwind stop function, 0 if not forced */ - uint32_t reserved2; /* personality routine */ - uint32_t reserved3; /* callsite */ - uint32_t reserved4; /* forced unwind stop argument */ - uint32_t reserved5; - } unwinder_cache; - /* propagation barrier cache (valid after phase 1) */ - struct { - uint32_t sp; - uint32_t bitpattern[5]; - } barrier_cache; - /* cleanup cache (preserved over cleanup) */ - struct { - uint32_t bitpattern[4]; - } cleanup_cache; - /* personality cache (for personality's benefit) */ - struct { - uint32_t fnstart; /* function start address */ - _Unwind_EHT_Header *ehtp; /* pointer to EHT entry header word */ - uint32_t additional; /* additional data */ - uint32_t reserved1; - } pr_cache; - long long int : 0; /* force alignment of next item to 8-byte boundary */ -} __attribute__((__aligned__(8))); -#else -struct _Unwind_Exception { - _Unwind_Exception_Class exception_class; - _Unwind_Exception_Cleanup_Fn exception_cleanup; -#if !defined (__USING_SJLJ_EXCEPTIONS__) && defined (__SEH__) - _Unwind_Word private_[6]; -#else - _Unwind_Word private_1; - _Unwind_Word private_2; -#endif - /* The Itanium ABI requires that _Unwind_Exception objects are "double-word - * aligned". GCC has interpreted this to mean "use the maximum useful - * alignment for the target"; so do we. */ -} __attribute__((__aligned__)); -#endif - -typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn)(int, _Unwind_Action, - _Unwind_Exception_Class, - _Unwind_Exception *, - struct _Unwind_Context *, - void *); - -typedef _Unwind_Reason_Code (*_Unwind_Personality_Fn)(int, _Unwind_Action, - _Unwind_Exception_Class, - _Unwind_Exception *, - struct _Unwind_Context *); -typedef _Unwind_Personality_Fn __personality_routine; - -typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context *, - void *); - -#if defined(__arm__) && !(defined(__USING_SJLJ_EXCEPTIONS__) || defined(__ARM_DWARF_EH__)) -typedef enum { - _UVRSC_CORE = 0, /* integer register */ - _UVRSC_VFP = 1, /* vfp */ - _UVRSC_WMMXD = 3, /* Intel WMMX data register */ - _UVRSC_WMMXC = 4 /* Intel WMMX control register */ -} _Unwind_VRS_RegClass; - -typedef enum { - _UVRSD_UINT32 = 0, - _UVRSD_VFPX = 1, - _UVRSD_UINT64 = 3, - _UVRSD_FLOAT = 4, - _UVRSD_DOUBLE = 5 -} _Unwind_VRS_DataRepresentation; - -typedef enum { - _UVRSR_OK = 0, - _UVRSR_NOT_IMPLEMENTED = 1, - _UVRSR_FAILED = 2 -} _Unwind_VRS_Result; - -typedef uint32_t _Unwind_State; -#define _US_VIRTUAL_UNWIND_FRAME ((_Unwind_State)0) -#define _US_UNWIND_FRAME_STARTING ((_Unwind_State)1) -#define _US_UNWIND_FRAME_RESUME ((_Unwind_State)2) -#define _US_ACTION_MASK ((_Unwind_State)3) -#define _US_FORCE_UNWIND ((_Unwind_State)8) - -_Unwind_VRS_Result _Unwind_VRS_Get(struct _Unwind_Context *__context, - _Unwind_VRS_RegClass __regclass, - uint32_t __regno, - _Unwind_VRS_DataRepresentation __representation, - void *__valuep); - -_Unwind_VRS_Result _Unwind_VRS_Set(struct _Unwind_Context *__context, - _Unwind_VRS_RegClass __regclass, - uint32_t __regno, - _Unwind_VRS_DataRepresentation __representation, - void *__valuep); - -static __inline__ -_Unwind_Word _Unwind_GetGR(struct _Unwind_Context *__context, int __index) { - _Unwind_Word __value; - _Unwind_VRS_Get(__context, _UVRSC_CORE, __index, _UVRSD_UINT32, &__value); - return __value; -} - -static __inline__ -void _Unwind_SetGR(struct _Unwind_Context *__context, int __index, - _Unwind_Word __value) { - _Unwind_VRS_Set(__context, _UVRSC_CORE, __index, _UVRSD_UINT32, &__value); -} - -static __inline__ -_Unwind_Word _Unwind_GetIP(struct _Unwind_Context *__context) { - _Unwind_Word __ip = _Unwind_GetGR(__context, 15); - return __ip & ~(_Unwind_Word)(0x1); /* Remove thumb mode bit. */ -} - -static __inline__ -void _Unwind_SetIP(struct _Unwind_Context *__context, _Unwind_Word __value) { - _Unwind_Word __thumb_mode_bit = _Unwind_GetGR(__context, 15) & 0x1; - _Unwind_SetGR(__context, 15, __value | __thumb_mode_bit); -} -#else -_Unwind_Word _Unwind_GetGR(struct _Unwind_Context *, int); -void _Unwind_SetGR(struct _Unwind_Context *, int, _Unwind_Word); - -_Unwind_Word _Unwind_GetIP(struct _Unwind_Context *); -void _Unwind_SetIP(struct _Unwind_Context *, _Unwind_Word); -#endif - - -_Unwind_Word _Unwind_GetIPInfo(struct _Unwind_Context *, int *); - -_Unwind_Word _Unwind_GetCFA(struct _Unwind_Context *); - -_Unwind_Word _Unwind_GetBSP(struct _Unwind_Context *); - -void *_Unwind_GetLanguageSpecificData(struct _Unwind_Context *); - -_Unwind_Ptr _Unwind_GetRegionStart(struct _Unwind_Context *); - -/* DWARF EH functions; currently not available on Darwin/ARM */ -#if !defined(__APPLE__) || !defined(__arm__) -_Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Exception *); -_Unwind_Reason_Code _Unwind_ForcedUnwind(_Unwind_Exception *, _Unwind_Stop_Fn, - void *); -void _Unwind_DeleteException(_Unwind_Exception *); -void _Unwind_Resume(_Unwind_Exception *); -_Unwind_Reason_Code _Unwind_Resume_or_Rethrow(_Unwind_Exception *); - -#endif - -_Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void *); - -/* setjmp(3)/longjmp(3) stuff */ -typedef struct SjLj_Function_Context *_Unwind_FunctionContext_t; - -void _Unwind_SjLj_Register(_Unwind_FunctionContext_t); -void _Unwind_SjLj_Unregister(_Unwind_FunctionContext_t); -_Unwind_Reason_Code _Unwind_SjLj_RaiseException(_Unwind_Exception *); -_Unwind_Reason_Code _Unwind_SjLj_ForcedUnwind(_Unwind_Exception *, - _Unwind_Stop_Fn, void *); -void _Unwind_SjLj_Resume(_Unwind_Exception *); -_Unwind_Reason_Code _Unwind_SjLj_Resume_or_Rethrow(_Unwind_Exception *); - -void *_Unwind_FindEnclosingFunction(void *); - -#ifdef __APPLE__ - -_Unwind_Ptr _Unwind_GetDataRelBase(struct _Unwind_Context *) - __attribute__((__unavailable__)); -_Unwind_Ptr _Unwind_GetTextRelBase(struct _Unwind_Context *) - __attribute__((__unavailable__)); - -/* Darwin-specific functions */ -void __register_frame(const void *); -void __deregister_frame(const void *); - -struct dwarf_eh_bases { - uintptr_t tbase; - uintptr_t dbase; - uintptr_t func; -}; -void *_Unwind_Find_FDE(const void *, struct dwarf_eh_bases *); - -void __register_frame_info_bases(const void *, void *, void *, void *) - __attribute__((__unavailable__)); -void __register_frame_info(const void *, void *) __attribute__((__unavailable__)); -void __register_frame_info_table_bases(const void *, void*, void *, void *) - __attribute__((__unavailable__)); -void __register_frame_info_table(const void *, void *) - __attribute__((__unavailable__)); -void __register_frame_table(const void *) __attribute__((__unavailable__)); -void __deregister_frame_info(const void *) __attribute__((__unavailable__)); -void __deregister_frame_info_bases(const void *)__attribute__((__unavailable__)); - -#else - -_Unwind_Ptr _Unwind_GetDataRelBase(struct _Unwind_Context *); -_Unwind_Ptr _Unwind_GetTextRelBase(struct _Unwind_Context *); - -#endif - - -#ifndef HIDE_EXPORTS -#pragma GCC visibility pop -#endif - -#ifdef __cplusplus -} -#endif - -#endif - -#endif /* __CLANG_UNWIND_H */ |
