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authorpatrick <patrick@openbsd.org>2021-01-02 17:53:53 +0000
committerpatrick <patrick@openbsd.org>2021-01-02 17:53:53 +0000
commit7dbc316582d286e5db313312e6dcefb33c1bf303 (patch)
tree7bdb2ea0889a40ab19fc2a1ad996de78d7853775 /lib/libunwind/src/Unwind_AppleExtras.cpp
parentsync (diff)
downloadwireguard-openbsd-7dbc316582d286e5db313312e6dcefb33c1bf303.tar.xz
wireguard-openbsd-7dbc316582d286e5db313312e6dcefb33c1bf303.zip
Remove libunwind 8.0.0 now that we switched to libunwind 11.0.0 in the
gnu/ directory.
Diffstat (limited to 'lib/libunwind/src/Unwind_AppleExtras.cpp')
-rw-r--r--lib/libunwind/src/Unwind_AppleExtras.cpp184
1 files changed, 0 insertions, 184 deletions
diff --git a/lib/libunwind/src/Unwind_AppleExtras.cpp b/lib/libunwind/src/Unwind_AppleExtras.cpp
deleted file mode 100644
index 39f379c5298..00000000000
--- a/lib/libunwind/src/Unwind_AppleExtras.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-//===--------------------- Unwind_AppleExtras.cpp -------------------------===//
-//
-// 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.
-//
-//
-//===----------------------------------------------------------------------===//
-
-#include "config.h"
-#include "AddressSpace.hpp"
-#include "DwarfParser.hpp"
-
-
-// private keymgr stuff
-#define KEYMGR_GCC3_DW2_OBJ_LIST 302
-extern "C" {
- extern void _keymgr_set_and_unlock_processwide_ptr(int key, void *ptr);
- extern void *_keymgr_get_and_lock_processwide_ptr(int key);
-}
-
-// undocumented libgcc "struct object"
-struct libgcc_object {
- void *start;
- void *unused1;
- void *unused2;
- void *fde;
- unsigned long encoding;
- void *fde_end;
- libgcc_object *next;
-};
-
-// undocumented libgcc "struct km_object_info" referenced by
-// KEYMGR_GCC3_DW2_OBJ_LIST
-struct libgcc_object_info {
- libgcc_object *seen_objects;
- libgcc_object *unseen_objects;
- unsigned spare[2];
-};
-
-
-// static linker symbols to prevent wrong two level namespace for _Unwind symbols
-#if defined(__arm__)
- #define NOT_HERE_BEFORE_5_0(sym) \
- extern const char sym##_tmp30 __asm("$ld$hide$os3.0$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp30 = 0; \
- extern const char sym##_tmp31 __asm("$ld$hide$os3.1$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp31 = 0; \
- extern const char sym##_tmp32 __asm("$ld$hide$os3.2$_" #sym );\
- __attribute__((visibility("default"))) const char sym##_tmp32 = 0; \
- extern const char sym##_tmp40 __asm("$ld$hide$os4.0$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp40 = 0; \
- extern const char sym##_tmp41 __asm("$ld$hide$os4.1$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp41 = 0; \
- extern const char sym##_tmp42 __asm("$ld$hide$os4.2$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp42 = 0; \
- extern const char sym##_tmp43 __asm("$ld$hide$os4.3$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp43 = 0;
-#elif defined(__arm64__)
- #define NOT_HERE_BEFORE_10_6(sym)
- #define NEVER_HERE(sym)
-#else
- #define NOT_HERE_BEFORE_10_6(sym) \
- extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \
- extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp5 = 0;
- #define NEVER_HERE(sym) \
- extern const char sym##_tmp4 __asm("$ld$hide$os10.4$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp4 = 0; \
- extern const char sym##_tmp5 __asm("$ld$hide$os10.5$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp5 = 0; \
- extern const char sym##_tmp6 __asm("$ld$hide$os10.6$_" #sym ); \
- __attribute__((visibility("default"))) const char sym##_tmp6 = 0;
-#endif
-
-
-#if defined(_LIBUNWIND_BUILD_ZERO_COST_APIS)
-
-//
-// symbols in libSystem.dylib in 10.6 and later, but are in libgcc_s.dylib in
-// earlier versions
-//
-NOT_HERE_BEFORE_10_6(_Unwind_DeleteException)
-NOT_HERE_BEFORE_10_6(_Unwind_Find_FDE)
-NOT_HERE_BEFORE_10_6(_Unwind_ForcedUnwind)
-NOT_HERE_BEFORE_10_6(_Unwind_GetGR)
-NOT_HERE_BEFORE_10_6(_Unwind_GetIP)
-NOT_HERE_BEFORE_10_6(_Unwind_GetLanguageSpecificData)
-NOT_HERE_BEFORE_10_6(_Unwind_GetRegionStart)
-NOT_HERE_BEFORE_10_6(_Unwind_RaiseException)
-NOT_HERE_BEFORE_10_6(_Unwind_Resume)
-NOT_HERE_BEFORE_10_6(_Unwind_SetGR)
-NOT_HERE_BEFORE_10_6(_Unwind_SetIP)
-NOT_HERE_BEFORE_10_6(_Unwind_Backtrace)
-NOT_HERE_BEFORE_10_6(_Unwind_FindEnclosingFunction)
-NOT_HERE_BEFORE_10_6(_Unwind_GetCFA)
-NOT_HERE_BEFORE_10_6(_Unwind_GetDataRelBase)
-NOT_HERE_BEFORE_10_6(_Unwind_GetTextRelBase)
-NOT_HERE_BEFORE_10_6(_Unwind_Resume_or_Rethrow)
-NOT_HERE_BEFORE_10_6(_Unwind_GetIPInfo)
-NOT_HERE_BEFORE_10_6(__register_frame)
-NOT_HERE_BEFORE_10_6(__deregister_frame)
-
-//
-// symbols in libSystem.dylib for compatibility, but we don't want any new code
-// using them
-//
-NEVER_HERE(__register_frame_info_bases)
-NEVER_HERE(__register_frame_info)
-NEVER_HERE(__register_frame_info_table_bases)
-NEVER_HERE(__register_frame_info_table)
-NEVER_HERE(__register_frame_table)
-NEVER_HERE(__deregister_frame_info)
-NEVER_HERE(__deregister_frame_info_bases)
-
-#endif // defined(_LIBUNWIND_BUILD_ZERO_COST_APIS)
-
-
-
-
-#if defined(_LIBUNWIND_BUILD_SJLJ_APIS)
-//
-// symbols in libSystem.dylib in iOS 5.0 and later, but are in libgcc_s.dylib in
-// earlier versions
-//
-NOT_HERE_BEFORE_5_0(_Unwind_GetLanguageSpecificData)
-NOT_HERE_BEFORE_5_0(_Unwind_GetRegionStart)
-NOT_HERE_BEFORE_5_0(_Unwind_GetIP)
-NOT_HERE_BEFORE_5_0(_Unwind_SetGR)
-NOT_HERE_BEFORE_5_0(_Unwind_SetIP)
-NOT_HERE_BEFORE_5_0(_Unwind_DeleteException)
-NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Register)
-NOT_HERE_BEFORE_5_0(_Unwind_GetGR)
-NOT_HERE_BEFORE_5_0(_Unwind_GetIPInfo)
-NOT_HERE_BEFORE_5_0(_Unwind_GetCFA)
-NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Resume)
-NOT_HERE_BEFORE_5_0(_Unwind_SjLj_RaiseException)
-NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Resume_or_Rethrow)
-NOT_HERE_BEFORE_5_0(_Unwind_SjLj_Unregister)
-
-#endif // defined(_LIBUNWIND_BUILD_SJLJ_APIS)
-
-
-namespace libunwind {
-
-_LIBUNWIND_HIDDEN
-bool checkKeyMgrRegisteredFDEs(uintptr_t pc, void *&fde) {
-#if __MAC_OS_X_VERSION_MIN_REQUIRED
- // lastly check for old style keymgr registration of dynamically generated
- // FDEs acquire exclusive access to libgcc_object_info
- libgcc_object_info *head = (libgcc_object_info *)
- _keymgr_get_and_lock_processwide_ptr(KEYMGR_GCC3_DW2_OBJ_LIST);
- if (head != NULL) {
- // look at each FDE in keymgr
- for (libgcc_object *ob = head->unseen_objects; ob != NULL; ob = ob->next) {
- CFI_Parser<LocalAddressSpace>::FDE_Info fdeInfo;
- CFI_Parser<LocalAddressSpace>::CIE_Info cieInfo;
- const char *msg = CFI_Parser<LocalAddressSpace>::decodeFDE(
- LocalAddressSpace::sThisAddressSpace,
- (uintptr_t)ob->fde, &fdeInfo, &cieInfo);
- if (msg == NULL) {
- // Check if this FDE is for a function that includes the pc
- if ((fdeInfo.pcStart <= pc) && (pc < fdeInfo.pcEnd)) {
- fde = (void*)fdeInfo.pcStart;
- _keymgr_set_and_unlock_processwide_ptr(KEYMGR_GCC3_DW2_OBJ_LIST,
- head);
- return true;
- }
- }
- }
- }
- // release libgcc_object_info
- _keymgr_set_and_unlock_processwide_ptr(KEYMGR_GCC3_DW2_OBJ_LIST, head);
-#else
- (void)pc;
- (void)fde;
-#endif
- return false;
-}
-
-}
-