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unwind-d2 build workaround for arm64

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The __builtin_init_dwarf_reg_size_table function is unimplemented in
clang 3.6 for AArch64. Comment it out for now and replace it with
a message and abort.

Tracked in upstream LLVM PR 22997
https://llvm.org/bugs/show_bug.cgi?id=22997

Submitted by:	andrew
This commit is contained in:
Ed Maste 2015-03-31 13:37:32 +00:00
parent f5f299c30b
commit 640cba97d8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=280909
1 changed files with 9 additions and 0 deletions
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9
contrib/gcc/unwind-dw2.c
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@ -1393,7 +1393,16 @@ uw_advance_context (struct _Unwind_Context *context, _Unwind_FrameState *fs)
static inline void
init_dwarf_reg_size_table (void)
{
/*
* ARM64TODO: http://llvm.org/pr22997
* llvm 3.6 doesn't support __builtin_init_dwarf_reg_size_table on AArch64.
*/
#ifdef __aarch64__
printf("Unimplemented: init_dwarf_reg_size_table\n");
abort();
#else
__builtin_init_dwarf_reg_size_table (dwarf_reg_size_table);
#endif
}
static void